Starting linux setup system.

LogarithmPlotter/__init__.py

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+"""
+ *  LogarithmPlotter - Create graphs with logarithm scales.
+ *  Copyright (C) 2021  Ad5001
+ * 
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ * 
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ * 
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+"""
+
+from PySide2.QtWidgets import QApplication, QFileDialog
+from PySide2.QtQml import QQmlApplicationEngine, qmlRegisterType
+from PySide2.QtCore import Qt, QObject, Signal, Slot, Property
+from PySide2.QtGui import QIcon, QImage
+from PySide2 import __version__ as PySide2_version
+
+import os
+import tempfile
+from platform import release as os_release
+from json import dumps
+from sys import platform, argv, version as sys_version
+import webbrowser
+
+__VERSION__ = "0.0.1.dev0"
+
+tempfile = tempfile.mkstemp(suffix='.png')[1]
+
+def get_linux_theme():
+    des = {
+        "KDE": "Flat",
+        "gnome": "default",
+        "lxqt": "fusion",
+        "mate": "fusion",
+    }
+    if "XDG_SESSION_DESKTOP" in os.environ:
+        return des[os.environ["XDG_SESSION_DESKTOP"]] if os.environ["XDG_SESSION_DESKTOP"] in des else "fusion"
+    else:
+        # Android
+        return "Material"
+
+class Helper(QObject):
+
+    @Slot(str, str)
+    def write(self, filename, filedata):
+        if os.path.exists(os.path.dirname(os.path.realpath(filename))):
+            f = open(os.path.realpath(filename), 'w',  -1, 'utf8')
+            f.write(filedata)
+            f.close()
+        
+    @Slot(str, result=str)
+    def load(self, filename):
+        if os.path.exists(os.path.realpath(filename)):
+            f = open(os.path.realpath(filename), 'r',  -1, 'utf8')
+            data = f.read()
+            f.close()
+            return data
+        return '{}'
+
+    @Slot(result=str)
+    def gettmpfile(self):
+        global tempfile
+        return tempfile
+    
+    @Slot()
+    def copyImageToClipboard(self):
+        global tempfile
+        clipboard = QApplication.clipboard()
+        clipboard.setImage(QImage(tempfile))
+    
+    @Slot(result=str)
+    def getVersion(self):
+        return __VERSION__
+    
+    @Slot(result=str)
+    def getDebugInfos(self):
+        """
+        Returns the version info about Qt, PySide2 & Python
+        """
+        return "Built with PySide2 (Qt) v{} and python v{}".format(PySide2_version, sys_version.split("\n")[0])
+    
+    @Slot(str)
+    def openUrl(self, url):
+        webbrowser.open(url)
+        
+def run():
+    pwd = os.getcwd()
+    os.chdir(os.path.dirname(os.path.realpath(__file__)))
+    
+    os.environ["QT_QUICK_CONTROLS_STYLE"] = {
+        "linux": get_linux_theme(),
+        "freebsd": get_linux_theme(),
+        "win32": "universal" if os_release == "10" else "fusion",
+        "cygwin": "fusion",
+        "darwin": "imagine"
+    }[platform]
+
+    app = QApplication(argv)
+    app.setApplicationName("LogarithmPlotter")
+    app.setOrganizationName("Ad5001")
+    app.setWindowIcon(QIcon(os.path.realpath(os.path.join(os.getcwd(), "..", "logplotter.svg"))))
+    engine = QQmlApplicationEngine()
+    helper = Helper()
+    engine.rootContext().setContextProperty("Helper", helper)
+
+    engine.addImportPath(os.path.realpath(os.path.join(os.getcwd(), "qml")))
+    engine.load(os.path.realpath(os.path.join(os.getcwd(), "qml", "LogGraph.qml")))
+
+    os.chdir(pwd)
+    if len(argv) > 0 and os.path.exists(argv[-1]) and argv[-1].split('.')[-1] in ['json', 'lgg', 'lpf']:
+        print(argv[-1])
+        engine.rootObjects()[0].loadDiagram(argv[-1])
+    os.chdir(os.path.dirname(os.path.realpath(__file__)))
+
+    if not engine.rootObjects():
+        print("No root object")
+        exit(-1)
+    app.exec_()
+
+    os.remove(tempfile)
+    

LogarithmPlotter/__main__.py

@@ -0,0 +1,4 @@
+from .run import run
+
+if __name__ == "__main__":
+    run()

LogarithmPlotter/qml/About.qml

@@ -0,0 +1,107 @@
+/**
+ *  LogarithmPlotter - Create graphs with logarithm scales.
+ *  Copyright (C) 2021  Ad5001
+ * 
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ * 
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ * 
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+import QtQuick 2.12
+import QtQuick.Dialogs 1.3 as D
+import QtQuick.Controls 2.12
+
+
+D.Dialog {
+    id: about
+    title: `About LogarithmPlotter`
+    width: 400
+    height: 600
+    
+    Image {
+        id: logo
+        source: "../logplotter.svg"
+        sourceSize.width: 64
+        sourceSize.height: 64
+        width: 64
+        height: 64
+        anchors.horizontalCenter: parent.horizontalCenter
+        anchors.rightMargin: width/2
+        anchors.top: parent.top
+        anchors.topMargin: 10
+    }
+    
+    Label {
+        id: appName
+        anchors.top: logo.bottom
+        anchors.left: parent.left
+        anchors.topMargin: 10
+        horizontalAlignment: Text.AlignHCenter
+        width: parent.width
+        wrapMode: Text.WordWrap
+        font.pixelSize: 25
+        text: "LogarithmPlotter v" + Helper.getVersion() 
+    }
+    
+    Label {
+        id: description
+        anchors.top: appName.bottom
+        anchors.left: parent.left
+        anchors.topMargin: 10
+        horizontalAlignment: Text.AlignHCenter
+        width: parent.width
+        wrapMode: Text.WordWrap
+        font.pixelSize: 18
+        text: "Create graphs with logarithm scales."
+    }
+    
+    Label {
+        id: debugInfos
+        anchors.top: description.bottom
+        anchors.left: parent.left
+        anchors.topMargin: 10
+        horizontalAlignment: Text.AlignHCenter
+        width: parent.width
+        wrapMode: Text.WordWrap
+        font.pixelSize: 14
+        text: Helper.getDebugInfos() 
+    }
+    
+    Label {
+        id: copyrightInfos
+        anchors.top: debugInfos.bottom
+        anchors.horizontalCenter: parent.horizontalCenter
+        anchors.topMargin: 10
+        width: Math.min(410, parent.width)
+        wrapMode: Text.WordWrap
+        textFormat: Text.RichText
+        font.pixelSize: 13
+        text: "Copyright © 2021  Ad5001 &lt;mail@ad5001.eu&gt;<br>
+<br>
+This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.<br>
+<br>
+This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more details.<br>
+<br>
+You should have received a copy of the GNU General Public License along with this program.  If not, see <a href='http://www.gnu.org/licenses/'>http://www.gnu.org/licenses/</a>."
+        onLinkActivated: Helper.openUrl(link)
+    }
+    
+    Button {
+        id: openIssueButton
+        anchors.top: copyrightInfos.bottom
+        anchors.horizontalCenter: parent.horizontalCenter
+        anchors.topMargin: 10
+        text: 'Report a bug'
+        icon.name: 'bug'
+        onClicked: Helper.openUrl('https://git.ad5001.eu/Ad5001/LogarithmPlotter')
+    }
+}

LogarithmPlotter/qml/AppMenuBar.qml

@@ -0,0 +1,110 @@
+/**
+ *  LogarithmPlotter - Create graphs with logarithm scales.
+ *  Copyright (C) 2021  Ad5001
+ * 
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ * 
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ * 
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+import QtQuick 2.12
+import QtQuick.Controls 2.12
+import "js/objects.js" as Objects
+import "js/historylib.js" as HistoryLib
+
+MenuBar {
+    Menu {
+        title: qsTr("&File")
+        Action {
+            text: qsTr("&Load...")
+            shortcut: StandardKey.Open
+            onTriggered: settings.load()
+            icon.name: 'document-open'
+            
+        }
+        Action {
+            text: qsTr("&Save")
+            shortcut: StandardKey.Save
+            onTriggered: settings.save()
+            icon.name: 'document-save'
+        }
+        Action {
+            text: qsTr("Save &As...")
+            shortcut: StandardKey.SaveAs
+            onTriggered: settings.saveAs()
+            icon.name: 'document-save-as'
+            
+        }
+        MenuSeparator { }
+        Action {
+            text: qsTr("&Quit")
+            shortcut: StandardKey.Quit
+            onTriggered: Qt.quit()
+            icon.name: 'application-exit'
+        }
+    }
+    Menu {
+        title: qsTr("&Edit")
+        Action { 
+            text: qsTr("&Undo")
+            shortcut: StandardKey.Undo
+            onTriggered: history.undo()
+            icon.name: 'edit-undo'
+            icon.color: enabled ? sysPalette.windowText : sysPaletteIn.windowText
+            enabled: history.undoCount > 0
+        }
+        Action { 
+            text: qsTr("&Redo")
+            shortcut: StandardKey.Redo
+            onTriggered: history.redo()
+            icon.name: 'edit-redo'
+            icon.color: enabled ? sysPalette.windowText : sysPaletteIn.windowText
+            enabled: history.redoCount > 0
+        }
+        MenuSeparator { }
+        Action { 
+            text: qsTr("&Copy diagram")
+            shortcut: StandardKey.Copy
+            onTriggered: root.copyDiagramToClipboard()
+            icon.name: 'edit-copy'
+        }
+    }
+    Menu {
+        title: qsTr("&Create")
+        // Services repeater
+        Repeater {
+            model: Object.keys(Objects.types)
+            
+            MenuItem {
+                text: modelData
+                visible: Objects.types[modelData].createable()
+                height: visible ? implicitHeight : 0
+                icon.source: './icons/'+modelData+'.svg' // Default to dark version
+                icon.name: modelData
+                icon.color: sysPalette.windowText
+                onTriggered: {
+                    var newObj = Objects.createNewRegisteredObject(modelData)
+                    history.addToHistory(new HistoryLib.CreateNewObject(newObj.name, modelData, newObj.export()))
+                    objectLists.update()
+                }
+            }
+        }
+    }
+    Menu {
+        title: qsTr("&Help")
+        Action {
+            text: qsTr("&About")
+            icon.name: 'about'
+            onTriggered: about.open()
+        }
+    }
+}

LogarithmPlotter/qml/ComboBoxSetting.qml

@@ -0,0 +1,71 @@
+/**
+ *  LogarithmPlotter - Create graphs with logarithm scales.
+ *  Copyright (C) 2021  Ad5001
+ * 
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ * 
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ * 
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+import QtQuick 2.12
+import QtQuick.Controls 2.12
+
+Item {
+    id: control
+    height: 30
+    
+    signal activated(int newIndex)
+    signal accepted()
+    
+    property string label: ''
+    property alias model: combox.model
+    property alias editable: combox.editable
+    property alias editText: combox.editText
+    property alias currentIndex: combox.currentIndex
+    property string icon: ""
+    
+    function find(elementName) {
+        return combox.find(elementName)
+    }
+    
+    Icon {
+        id: iconLabel
+        anchors.top: parent.top
+        anchors.topMargin: icon == "" ? 0 : 3
+        source: control.visible ? control.icon : ""
+        width: height
+        height: icon == "" && visible ? 0 : 24
+        color: sysPalette.windowText
+    }
+    
+    Label {
+        id: labelItem
+        anchors.left: iconLabel.right
+        anchors.leftMargin: icon == "" ? 0 : 5
+        height: 30
+        anchors.top: parent.top
+        verticalAlignment: TextInput.AlignVCenter
+        text: control.label +": "
+    }
+    
+    ComboBox {
+        id: combox
+        height: 30
+        anchors.left: labelItem.right
+        anchors.leftMargin: 5
+        width: control.width - labelItem.width - iconLabel.width - 10
+        onActivated: function(newIndex) {
+            control.activated(newIndex)
+        }
+        onAccepted: control.accepted()
+    }
+}

LogarithmPlotter/qml/FileDialog.qml

@@ -0,0 +1,32 @@
+/**
+ *  LogarithmPlotter - Create graphs with logarithm scales.
+ *  Copyright (C) 2021  Ad5001
+ * 
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ * 
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ * 
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+import QtQuick.Dialogs 1.3 as D
+
+D.FileDialog {
+    id: fileDialog
+    
+    property bool exportMode: false
+    
+    title: exportMode ? "Export Logarithm Plot file" : "Import Logarithm Plot file"
+    nameFilters: ["Logarithm Plot File (*.lpf *.lgg)", "Old Logarithm Plot Data (*.json)", "All files (*)"]
+
+    folder: shortcuts.documents
+    selectExisting: !exportMode
+    
+}

LogarithmPlotter/qml/History.qml

@@ -0,0 +1,139 @@
+/**
+ *  LogarithmPlotter - Create graphs with logarithm scales.
+ *  Copyright (C) 2021  Ad5001
+ * 
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ * 
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ * 
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+import QtQuick 2.12
+import QtQml 2.12
+import "js/objects.js" as Objects
+import "js/historylib.js" as HistoryLib
+
+
+Item {
+    // Using a QtObject is necessary in order to have proper property propagation in QML
+    id: historyObj
+    property int undoCount: 0
+    property int redoCount: 0
+    property var undoStack: []
+    property var redoStack: []
+    
+    function clear() {
+        undoStack = []
+        redoStack = []
+    }
+    
+    function serialize() {
+        let undoSt = [], redoSt = [];
+        for(let i = 0; i < undoCount; i++)
+            undoSt.push([
+                undoStack[i].type(),
+                undoStack[i].export()
+            ]);
+        for(let i = 0; i < redoCount; i++)
+            redoSt.push([
+                redoStack[i].type(),
+                redoStack[i].export()
+            ]);
+        return [undoSt, redoSt]
+    }
+    
+    function unserialize(undoSt, redoSt) {
+        clear();
+        for(let i = 0; i < undoSt.length; i++)
+            undoStack.push(new HistoryLib.Actions[undoSt[i][0]](...undoSt[i][1]))
+        for(let i = 0; i < redoSt.length; i++)
+            redoStack.push(new HistoryLib.Actions[redoSt[i][0]](...redoSt[i][1]))
+        undoCount = undoSt.length;
+        redoCount = redoSt.length;
+        objectLists.update()
+    }
+    
+
+    function addToHistory(action) {
+        if(action instanceof HistoryLib.Action) {
+            console.log("Added new entry to history: " + action.getReadableString())
+            undoStack.push(action)
+            undoCount++;
+            redoStack = []
+            redoCount = 0
+        }
+    }
+
+    function undo() {
+        if(undoStack.length > 0) {
+            var action = undoStack.pop()
+            action.undo()
+            objectLists.update()
+            redoStack.push(action)
+            undoCount--;
+            redoCount++;
+        }
+    }
+
+    function redo() {
+        if(redoStack.length > 0) {
+            var action = redoStack.pop()
+            action.redo()
+            objectLists.update()
+            undoStack.push(action)
+            undoCount++;
+            redoCount--;
+        }
+    }
+    
+    function undoMultipleDefered(toUndoCount) {
+        undoTimer.toUndoCount = toUndoCount;
+        undoTimer.start()
+    }
+    
+    function redoMultipleDefered(toRedoCount) {
+        redoTimer.toRedoCount = toRedoCount;
+        redoTimer.start()
+    }
+    
+    Timer {
+        id: undoTimer
+        interval: 5; running: false; repeat: true
+        property int toUndoCount: 0
+        onTriggered: {
+            if(toUndoCount > 0) {
+                historyObj.undo()
+                toUndoCount--;
+            } else {
+                running = false;
+            }
+        }
+    }
+    
+    Timer {
+        id: redoTimer
+        interval: 5; running: false; repeat: true
+        property int toRedoCount: 0
+        onTriggered: {
+            if(toRedoCount > 0) {
+                historyObj.redo()
+                toRedoCount--;
+            } else {
+                running = false;
+            }
+        }
+    }
+    
+    Component.onCompleted: {
+        Objects.history = historyObj
+        Objects.HistoryLib = HistoryLib
+    }
+}

LogarithmPlotter/qml/HistoryBrowser.qml

@@ -0,0 +1,124 @@
+/**
+ *  LogarithmPlotter - Create graphs with logarithm scales.
+ *  Copyright (C) 2021  Ad5001
+ * 
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ * 
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ * 
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+import QtQuick.Controls 2.12
+import QtQuick 2.12 
+import "js/utils.js" as Utils
+
+ScrollView {
+    id: historyBrowser
+    
+    property int actionWidth: width-20
+    
+    Flickable {
+        width: parent.width
+        height: parent.height
+        contentHeight: redoColumn.height + nowRect.height + undoColumn.height
+        contentWidth: parent.width
+        
+        Column {
+            id: redoColumn
+            anchors.right: parent.right
+            anchors.top: parent.top
+            width: historyBrowser.actionWidth
+            
+            Repeater {
+                model: history.redoCount
+            
+                Button {
+                    id: redoButton
+                    width: historyBrowser.actionWidth
+                    height: 30
+                    flat: true
+                    text: history.redoStack[index].getReadableString()
+                    
+                    ToolTip.visible: hovered
+                    ToolTip.text: text
+                    
+                    onClicked: {
+                        history.redoMultipleDefered(history.redoCount-index)
+                    }
+                }
+            }
+        }
+        
+        Text {
+            anchors.left: parent.left
+            anchors.bottom: nowRect.top
+            text: "Redo >"
+            color: sysPaletteIn.windowText
+            transform: Rotation { origin.x: 30; origin.y: 30; angle: 270}
+            height: 70
+            width: 20
+            visible: history.redoCount > 0
+        }
+        
+        Rectangle {
+            id: nowRect
+            anchors.right: parent.right
+            anchors.top: redoColumn.bottom
+            width: historyBrowser.actionWidth
+            height: 30
+            color: sysPalette.highlight
+            Text {
+                anchors.verticalCenter: parent.verticalCenter
+                anchors.left: parent.left
+                anchors.leftMargin: 5
+                text: "> Now"
+                color: sysPalette.windowText
+            }
+        }
+        
+        Column {
+            id: undoColumn
+            anchors.right: parent.right
+            anchors.top: nowRect.bottom
+            width: historyBrowser.actionWidth
+            
+            Repeater {
+                model: history.undoCount
+            
+                Button {
+                    id: undoButton
+                    width: historyBrowser.actionWidth
+                    height: 30
+                    flat: true
+                    text: history.undoStack[history.undoCount-index-1].getReadableString()
+                    
+                    ToolTip.visible: hovered
+                    ToolTip.text: text
+                    
+                    onClicked: {
+                        history.undoMultipleDefered(index+1)
+                    }
+                }
+            }
+        }
+        
+        Text {
+            anchors.left: parent.left
+            anchors.top: undoColumn.top
+            text: "< Undo"
+            color: sysPaletteIn.windowText
+            transform: Rotation { origin.x: 30; origin.y: 30; angle: 270}
+            height: 60
+            width: 20
+            visible: history.undoCount > 0
+        }
+    }
+}

LogarithmPlotter/qml/Icon.qml

@@ -0,0 +1,37 @@
+/**
+ *  LogarithmPlotter - Create graphs with logarithm scales.
+ *  Copyright (C) 2021  Ad5001
+ * 
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ * 
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ * 
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+import QtQuick 2.7
+import QtGraphicalEffects 1.0
+
+Item {
+    property color color: "#000000"
+    property alias source: img.source
+    
+    Image {
+        id: img
+        height: parent.height
+        width: parent.width
+        smooth: true
+        visible: false
+    }
+    ColorOverlay {
+        anchors.fill: img
+        source: img
+        color: parent.color
+    }
+}

LogarithmPlotter/qml/ListSetting.qml

@@ -0,0 +1,190 @@
+import QtQuick 2.12
+import QtQuick.Controls 2.12
+import QtQml.Models 2.12
+
+Column {
+    id: control
+    
+    signal changed()
+    
+    property string label: ''
+    property string icon: ''
+    property bool dictionaryMode: false
+    property string keyType: "string"
+    property string valueType: "string"
+    property string preKeyLabel: ""
+    property string postKeyLabel: ": "
+    property var keyRegexp: /^.+$/
+    property var valueRegexp: /^.+$/
+    property bool forbidAdding: false
+    
+    
+    property alias model: repeater.model
+    
+    Row {
+        height: 30
+        width: parent.width;
+    Icon {
+        id: iconLabel
+        anchors.top: parent.top
+        anchors.topMargin: icon == "" ? 0 : 3
+        source: control.visible ? control.icon : ""
+        width: height
+        height: icon == "" || !visible ? 0 : 24
+        color: sysPalette.windowText
+    }
+    Label {
+        id: labelItem
+        height: 30
+        verticalAlignment: TextInput.AlignVCenter
+        text: control.label +": "
+    }
+    }
+    
+    Repeater {
+        id: repeater
+        width: control.width
+        model: ListModel {}
+        
+        Row {
+            id: defRow
+            height: addEntryBtn.height
+            width: parent.width
+            
+            Text {
+                id: preKeyText
+                height: parent.height
+                verticalAlignment: TextInput.AlignVCenter
+                color: sysPalette.windowText
+                text: control.preKeyLabel
+            }
+            
+            TextField {
+                id: keyInput
+                visible: control.dictionaryMode
+                height: parent.height
+                width: visible ? 50 : 0
+                validator: RegExpValidator { 
+                    regExp: control.keyRegexp
+                }
+                verticalAlignment: TextInput.AlignVCenter
+                horizontalAlignment: TextInput.AlignHCenter
+                color: sysPalette.windowText
+                text: visible ? control.model.get(index).key : false
+                selectByMouse: true
+                onEditingFinished: {
+                    var value = text
+                    if(control.keyType == 'int') {
+                        value = parseInt(value)
+                        if(value.toString()=="NaN")
+                            value = ""
+                    }
+                    if(control.keyType == 'double') {
+                        value = parseFloat(value)
+                        if(value.toString()=="NaN")
+                            value = ""
+                    }
+                    if(value !== "" && valueInput.acceptableInput) {
+                        control.model.setProperty(index, 'key', value)
+                        control.changed()
+                    }
+                }
+            }
+            
+            Text {
+                id: postKeyText
+                visible: control.dictionaryMode
+                height: parent.height
+                verticalAlignment: TextInput.AlignVCenter
+                color: sysPalette.windowText
+                text: control.postKeyLabel
+            }
+            
+            TextField {
+                id: valueInput
+                height: parent.height
+                width: parent.width - x - deleteButton.width - 5
+                validator: RegExpValidator { 
+                    regExp: control.valueRegexp
+                }
+                verticalAlignment: TextInput.AlignVCenter
+                horizontalAlignment: TextInput.AlignHCenter
+                color: sysPalette.windowText
+                text: visible ? control.model.get(index).val : false
+                selectByMouse: true
+                onEditingFinished: {
+                    var value = text
+                    if(control.valueType == 'int') {
+                        value = parseInt(value)
+                        if(value.toString()=="NaN")
+                            value = ""
+                    }
+                    if(control.valueType == 'double') {
+                        value = parseFloat(value)
+                        if(value.toString()=="NaN")
+                            value = ""
+                    }
+                    if(value !== "" && keyInput.acceptableInput) {
+                        control.model.setProperty(index, 'val', value)
+                        control.changed()
+                    }
+                }
+            }
+            
+            Item {
+                width: 5
+                height: parent.height
+            }
+            
+            Button {
+                id: deleteButton
+                width: visible ? parent.height : 0
+                height: width
+                icon.source: './icons/delete.svg'
+                icon.name: 'delete'
+                visible: !control.forbidAdding
+                
+                onClicked: {
+                    control.model.remove(index)
+                }
+            }
+        }
+    }
+    
+    Button {
+        id: addEntryBtn
+        visible: !control.forbidAdding
+        text: '+ Add Entry'
+        width: control.width
+        
+        onClicked: {
+            control.model.append({
+                key: control.keyType == 'string' ? '' : model.count,
+                val: control.valueType == 'string' ? '' : 0
+            })
+        }
+    }
+    
+    function importModel(importer) {
+        model.clear()
+        for(var key in importer) 
+            model.append({
+                key: control.keyType == 'string' ? key.toString() : parseFloat(key),
+                val: control.valueType == 'string' ? importer[key].toString() : parseFloat(importer[key])
+            })
+    }
+    
+    function exportModel() {
+        if(dictionaryMode) {
+            var ret = {}
+            for(var i = 0; i < model.count; i++)
+                ret[model.get(i).key] = model.get(i).val
+            return ret
+        } else {
+            var ret = []
+            for(var i = 0; i < model.count; i++)
+                ret.push(model.get(i).val)
+            return ret
+        }
+    }
+}

LogarithmPlotter/qml/LogGraph.qml

@@ -0,0 +1,235 @@
+/**
+ *  LogarithmPlotter - Create graphs with logarithm scales.
+ *  Copyright (C) 2021  Ad5001
+ * 
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ * 
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ * 
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+import QtQml 2.12
+import QtQuick.Controls 2.12
+import QtQuick.Layouts 1.15
+import QtQuick 2.12
+import "js/objects.js" as Objects
+
+
+ApplicationWindow {
+    id: root
+    visible: true
+    width: 1000
+    height: 500
+    color: sysPalette.window
+    title: "LogarithmPlotter " + (settings.saveFilename != "" ? " - " + settings.saveFilename.split('/')[settings.saveFilename.split('/').length -1] : "")
+    
+    SystemPalette { id: sysPalette; colorGroup: SystemPalette.Active }
+    SystemPalette { id: sysPaletteIn; colorGroup: SystemPalette.Disabled }
+    History { id: history }
+    
+    menuBar: AppMenuBar {}
+    
+    About {id: about}
+    
+    Drawer {
+        id: sidebar
+        width: 300
+        height: parent.height
+        y: root.menuBar.height
+        readonly property bool inPortrait: root.width < root.height
+        modal: inPortrait
+        interactive: inPortrait
+        position: inPortrait ? 0 : 1
+        visible: !inPortrait
+
+        
+        TabBar {
+            id: sidebarSelector
+            width: parent.width
+            anchors.top: parent.top
+            TabButton {
+                text: qsTr("Objects")
+                icon.name: 'polygon-add-nodes'
+                icon.color: sysPalette.windowText
+                //height: 24
+            }
+            TabButton {
+                text: qsTr("Settings")
+                icon.name: 'preferences-system'
+                icon.color: sysPalette.windowText
+                //height: 24
+            }
+            TabButton {
+                text: qsTr("History")
+                icon.name: 'history'
+                icon.color: sysPalette.windowText
+                //height: 24
+            }
+        }
+        
+        StackLayout {
+            id: sidebarContents
+            anchors.top: sidebarSelector.bottom
+            anchors.left: parent.left
+            anchors.topMargin: 5
+            anchors.leftMargin: 5
+            anchors.bottom: parent.bottom
+            anchors.bottomMargin: 20
+            width: parent.width - 10
+            currentIndex: sidebarSelector.currentIndex
+            z: -1
+            clip: true
+            
+            ObjectLists {
+                id: objectLists
+                onChanged: drawCanvas.requestPaint()
+            }
+
+            Settings {
+                id: settings
+                onChanged: drawCanvas.requestPaint()
+            }
+
+            HistoryBrowser {
+                id: historyBrowser
+            }
+        }
+    }
+    
+    LogGraphCanvas {
+        id: drawCanvas
+        anchors.top: parent.top
+        anchors.left: sidebar.inPortrait ? parent.left : sidebar.right
+        height: parent.height
+        width: sidebar.inPortrait ? parent.width : parent.width - sidebar.position*sidebar.width
+        x: sidebar.position*sidebar.width
+        
+        xmin: settings.xmin
+        ymax: settings.ymax
+        xzoom: settings.xzoom
+        yzoom: settings.yzoom
+        xlabel: settings.xaxislabel
+        ylabel: settings.yaxislabel
+        yaxisstep: settings.yaxisstep
+        xaxisstep: settings.xaxisstep
+        logscalex: settings.logscalex
+        linewidth: settings.linewidth
+        textsize: settings.textsize
+        showxgrad: settings.showxgrad
+        showygrad: settings.showygrad
+    }
+    
+    function saveDiagram(filename) {
+        if(['json', 'lpf', 'lgg'].indexOf(filename.split('.')[filename.split('.').length-1]) == -1)
+            filename += '.lpf'
+        settings.saveFilename = filename
+        var objs = {}
+        for(var objType in Objects.currentObjects){
+            objs[objType] = []
+            for(var obj of Objects.currentObjects[objType]) {
+                objs[objType].push(obj.export())
+            }
+        }
+        Helper.write(filename, JSON.stringify({
+            "xzoom":        settings.xzoom,
+            "yzoom":        settings.yzoom,
+            "xmin":         settings.xmin,
+            "ymax":         settings.ymax,
+            "xaxisstep":    settings.xaxisstep,
+            "yaxisstep":    settings.yaxisstep,
+            "xaxislabel":   settings.xaxislabel,
+            "yaxislabel":   settings.yaxislabel,
+            "logscalex":    settings.logscalex,
+            "linewidth":    settings.linewidth,
+            "showxgrad":    settings.showxgrad,
+            "showygrad":    settings.showygrad,
+            "textsize":     settings.textsize,
+            "history":      history.serialize(),
+            "width":        root.width,
+            "height":       root.height,
+            "objects":      objs,
+            "type":         "logplotv1"
+        }))
+    }
+    
+    function loadDiagram(filename) {
+        var data = JSON.parse(Helper.load(filename))
+        var error = "";
+        if(Object.keys(data).includes("type") && data["type"] == "logplotv1") {
+            history.clear()
+            // Importing settings
+            settings.saveFilename = filename
+            settings.xzoom = data["xzoom"]
+            settings.yzoom = data["yzoom"]
+            settings.xmin = data["xmin"]
+            settings.ymax = data["ymax"]
+            settings.xaxisstep = data["xaxisstep"]
+            settings.yaxisstep = data["yaxisstep"]
+            settings.xaxislabel = data["xaxislabel"]
+            settings.yaxislabel = data["yaxislabel"]
+            settings.logscalex = data["logscalex"]
+            if("showxgrad" in data)
+                settings.showxgrad = data["showxgrad"]
+            if("showygrad" in data)
+                settings.textsize = data["showygrad"]
+            if("linewidth" in data)
+                settings.linewidth = data["linewidth"]
+            if("textsize" in data)
+                settings.textsize = data["textsize"]
+            if("history" in data)
+                history.unserialize(...data["history"])
+            root.height = data["height"]
+            root.width = data["width"]
+            
+            // Importing objectw
+            Objects.currentObjects = {}
+            for(var objType in data['objects']) {
+                if(Object.keys(Objects.types).indexOf(objType) > -1) {
+                    Objects.currentObjects[objType] = []
+                    for(var objData of data['objects'][objType]) {
+                        var obj = new Objects.types[objType](...objData)
+                        Objects.currentObjects[objType].push(obj)
+                    }
+                } else {
+                    error += "Unknown object type: " +objType + "\n";
+                }
+            }
+            // Refreshing sidebar
+            if(sidebarSelector.currentIndex == 0) {
+                // For some reason, if we load a file while the tab is on object,
+                // we get stuck in a Qt-side loop? Qt bug or side-effect here, I don't know.
+                sidebarSelector.currentIndex = 1
+                objectLists.update()
+                delayRefreshTimer.start()
+            } else {
+                objectLists.update()
+            }
+        } else {
+            error = "Invalid file provided."
+        }
+        if(error != "") {
+            
+        }
+    }
+    
+    Timer {
+        id: delayRefreshTimer
+        repeat: false
+        interval: 1
+        onTriggered: sidebarSelector.currentIndex = 0
+    }
+    
+    function copyDiagramToClipboard() {
+        var file = Helper.gettmpfile()
+        drawCanvas.save(file)
+        Helper.copyImageToClipboard()
+    }
+}

LogarithmPlotter/qml/LogGraphCanvas.qml

@@ -0,0 +1,241 @@
+/**
+ *  LogarithmPlotter - Create graphs with logarithm scales.
+ *  Copyright (C) 2021  Ad5001
+ * 
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ * 
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ * 
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+import QtQuick 2.12 
+import "js/objects.js" as Objects
+import "js/utils.js" as Utils
+import "js/mathlib.js" as MathLib
+
+
+Canvas {
+    id: canvas
+    anchors.top: separator.bottom
+    anchors.left: parent.left
+    height: parent.height - 90
+    width: parent.width
+    
+    property double xmin: 0
+    property double ymax: 0
+    property int xzoom: 10
+    property int yzoom: 10
+    property string xaxisstep: "4"
+    property string yaxisstep: "4"
+    property string xlabel: ""
+    property string ylabel: ""
+    property int maxgradx: 8
+    property double linewidth: 1
+    property double textsize: 14
+    property bool logscalex: false
+    property bool showxgrad: false
+    property bool showygrad: false
+    
+    property var yaxisstepExpr: (new MathLib.Expression(`x*(${yaxisstep})`))
+    property double yaxisstep1: yaxisstepExpr.execute(1)
+    property int drawMaxY: Math.ceil(Math.max(Math.abs(ymax), Math.abs(px2y(canvasSize.height)))/yaxisstep1)
+    property var xaxisstepExpr: (new MathLib.Expression(`x*(${xaxisstep})`))
+    property double xaxisstep1: xaxisstepExpr.execute(1)
+    property int drawMaxX: Math.ceil(Math.max(Math.abs(xmin), Math.abs(px2x(canvasSize.width)))/xaxisstep1)
+    
+    
+    onPaint: {
+        //console.log('Redrawing')
+        var ctx = getContext("2d");
+        reset(ctx)
+        drawGrille(ctx)
+        drawAxises(ctx)
+        ctx.lineWidth = linewidth
+        for(var objType in Objects.currentObjects) {
+            for(var obj of Objects.currentObjects[objType]){
+                ctx.strokeStyle = obj.color
+                ctx.fillStyle = obj.color
+                if(obj.visible) obj.draw(canvas, ctx)
+            }
+        }
+        ctx.lineWidth = 1
+        drawLabels(ctx)
+        
+    }
+    
+    function reset(ctx){
+        // Reset
+        ctx.fillStyle = "#FFFFFF"
+        ctx.strokeStyle = "#000000"
+        ctx.font = `${canvas.textsize-2}px sans-serif`
+        ctx.fillRect(0,0,width,height)
+    }
+    
+    // Drawing the log based graph
+    function drawGrille(ctx) {
+        ctx.strokeStyle = "#C0C0C0"
+        if(logscalex) {
+            for(var xpow = -maxgradx; xpow <= maxgradx; xpow++) {
+                for(var xmulti = 1; xmulti < 10; xmulti++) {
+                    drawXLine(ctx, Math.pow(10, xpow)*xmulti)
+                }
+            }
+        } else {
+            for(var x = 0; x < drawMaxX; x+=1) {
+                drawXLine(ctx, x*xaxisstep1)
+                drawXLine(ctx, -x*xaxisstep1)
+            }
+        }
+        for(var y = 0; y < drawMaxY; y+=1) {
+            drawYLine(ctx, y*yaxisstep1)
+            drawYLine(ctx, -y*yaxisstep1)
+        }
+    }
+    
+    function drawAxises(ctx) {
+        ctx.strokeStyle = "#000000"
+        var axisypos = logscalex ? 1 : 0
+        drawXLine(ctx, axisypos)
+        drawYLine(ctx, 0)
+        var axisypx = x2px(axisypos) // X coordinate of Y axis
+        var axisxpx = y2px(0) // Y coordinate of X axis
+        // Drawing arrows
+        drawLine(ctx, axisypx, 0, axisypx-10, 10)
+        drawLine(ctx, axisypx, 0, axisypx+10, 10)
+        drawLine(ctx, canvasSize.width, axisxpx, canvasSize.width-10, axisxpx-10)
+        drawLine(ctx, canvasSize.width, axisxpx, canvasSize.width-10, axisxpx+10)
+    }
+    
+    function drawLabels(ctx) {
+        var axisypx = x2px(logscalex ? 1 : 0) // X coordinate of Y axis
+        var axisxpx = y2px(0) // Y coordinate of X axis
+        // Labels
+        ctx.fillStyle = "#000000"
+        ctx.font = `${canvas.textsize+2}px sans-serif`
+        ctx.fillText(ylabel, axisypx+10, 24)
+        var textSize = ctx.measureText(xlabel).width
+        ctx.fillText(xlabel, canvasSize.width-14-textSize, axisxpx-5)
+        // Axis graduation labels
+        ctx.font = `${canvas.textsize-2}px sans-serif`
+        
+        var txtMinus = ctx.measureText('-').width
+        if(showxgrad) {
+            if(logscalex) {
+                for(var xpow = -maxgradx; xpow <= maxgradx; xpow+=1) {
+                    var textSize = ctx.measureText("10"+Utils.textsup(xpow)).width
+                    if(xpow != 0)
+                        drawVisibleText(ctx, "10"+Utils.textsup(xpow), x2px(Math.pow(10,xpow))-textSize/2, axisxpx+16+(6*(y==0)))
+                }
+            } else {
+                for(var x = 1; x < drawMaxX; x += 1) {
+                    var drawX = x*xaxisstep1
+                    var txtX = xaxisstepExpr.simplify(x)
+                    var textSize = measureText(ctx, txtX, 6).height
+                    drawVisibleText(ctx, txtX, x2px(drawX)-4, axisxpx+textsize/2+textSize)
+                    drawVisibleText(ctx, '-'+txtX, x2px(-drawX)-4, axisxpx+textsize/2+textSize)
+                }
+            }
+        }
+        if(showygrad) {
+            for(var y = 0; y < drawMaxY; y += 1) {
+                var drawY = y*yaxisstep1
+                var txtY = yaxisstepExpr.simplify(y)
+                var textSize = ctx.measureText(txtY).width
+                drawVisibleText(ctx, txtY, axisypx-6-textSize, y2px(drawY)+4+(10*(y==0)))
+                if(y != 0)
+                    drawVisibleText(ctx, '-'+txtY, axisypx-6-textSize-txtMinus, y2px(-drawY)+4)
+            }
+        }
+        ctx.fillStyle = "#FFFFFF"
+    }
+    
+    function drawXLine(ctx, x) {
+        if(visible(x, ymax)) {
+            drawLine(ctx, x2px(x), 0, x2px(x), canvasSize.height)
+        }
+    }
+    
+    function drawYLine(ctx, y) {
+        if(visible(xmin, y)) {
+            drawLine(ctx, 0, y2px(y), canvasSize.width, y2px(y))
+        }
+    }
+    
+    function drawVisibleText(ctx, text, x, y) {
+        if(x > 0 && x < canvasSize.width && y > 0 && y < canvasSize.height) {
+            text.toString().split("\n").forEach(function(txt, i){
+                ctx.fillText(txt, x, y+(canvas.textsize*i))
+            })
+        }
+    }
+    
+    // Method to calculate multi-line string dimensions
+    function measureText(ctx, text) {
+        var theight = 0
+        var twidth = 0
+        text.split("\n").forEach(function(txt, i){
+            theight += canvas.textsize
+            if(ctx.measureText(txt).width > twidth) twidth = ctx.measureText(txt).width
+        })
+        return {'width': twidth, 'height': theight}
+    }
+    
+    // Converts x coordinate to it's relative position on the 
+    function x2px(x) {
+        if(logscalex) {
+            var logxmin = Math.log(xmin)
+            return (Math.log(x)-logxmin)*xzoom
+        } else return (x - xmin)*xzoom
+    }
+    // Converts y coordinate to it's relative position on the 
+    // Y is NOT ln based.
+    function y2px(y) {
+        return (ymax-y)*yzoom
+    }
+    // Reverse functions
+    function px2x(px) {
+        if(logscalex) {
+            return Math.exp(px/xzoom+Math.log(xmin))
+        } else return (px/xzoom+xmin)
+    }
+    function px2y(px) {
+        return -(px/yzoom-ymax)
+    }
+    // Checks whether a point is visible or not.
+    function visible(x, y) {
+        return (x2px(x) >= 0 && x2px(x) <= canvasSize.width) && (y2px(y) >= 0 && y2px(y) <= canvasSize.height)
+    }
+    // Draws a line from a (x1, y1) to (x2, y2)
+    function drawLine(ctx, x1, y1, x2, y2) {
+        ctx.beginPath();
+        ctx.moveTo(x1, y1);
+        ctx.lineTo(x2, y2);
+        ctx.stroke();
+    }
+    
+    function drawDashedLine2(ctx, x1, y1, x2, y2, dashPxSize = 5) {
+        ctx.setLineDash([dashPxSize, dashPxSize]);
+        drawLine(ctx, x1, y1, x2, y2)
+        ctx.setLineDash([]);
+    }
+    
+    function drawDashedLine(ctx, x1, y1, x2, y2, dashPxSize = 10) {
+        var distance = Math.sqrt((x1-x2)*(x1-x2)+(y1-y2)*(y1-y2))
+        var progPerc = dashPxSize/distance
+        ctx.beginPath();
+        ctx.moveTo(x1, y1);
+        for(var i = 0; i < 1; i += progPerc) {
+            ctx.lineTo(x1-(x1-x2)*i, y1-(y1-y2)*i)
+            ctx.moveTo(x1-(x1-x2)*(i+progPerc/2), y1-(y1-y2)*(i+progPerc/2))
+        }
+        ctx.stroke();
+    }
+}

LogarithmPlotter/qml/ObjectLists.qml

@@ -0,0 +1,471 @@
+/**
+ *  LogarithmPlotter - Create graphs with logarithm scales.
+ *  Copyright (C) 2021  Ad5001
+ * 
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ * 
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ * 
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+import QtQuick 2.12
+import QtQuick.Dialogs 1.3 as D
+import QtQuick.Controls 2.12
+import "js/objects.js" as Objects
+import "js/mathlib.js" as MathLib
+import "js/utils.js" as Utils
+import "js/historylib.js" as HistoryLib
+
+
+ListView {
+    id: objectListList
+    
+    signal changed()
+    
+    property var listViews: {'':''} // Needs to be initialized or will be undefined -_-
+    
+    model: Object.keys(Objects.types)
+    implicitHeight: contentItem.childrenRect.height + footer.height + 10
+    
+    delegate: ListView {
+        id: objTypeList
+        property string objType: objectListList.model[index]
+        property var editingRows: []
+        model: Objects.currentObjects[objType]
+        width: objectListList.width
+        implicitHeight: contentItem.childrenRect.height
+        visible: model != undefined && model.length > 0
+        interactive: false
+        
+        Component.onCompleted: objectListList.listViews[objType] = objTypeList // Listing in order to be refreshed
+        
+        header: Row {
+            width: typeHeaderText.width + typeVisibilityCheckBox.visible
+            height: visible ? 20 : 0
+            visible: objTypeList.visible
+            
+            CheckBox {
+                id: typeVisibilityCheckBox
+                checked: Objects.currentObjects[objType] != undefined ? Objects.currentObjects[objType].every(obj => obj.visible) : true
+                onClicked: {
+                    for(var obj of Objects.currentObjects[objType]) obj.visible = this.checked
+                    for(var obj of objTypeList.editingRows) obj.objVisible = this.checked
+                    objectListList.changed()
+                }
+                
+                ToolTip.visible: hovered
+                ToolTip.text: checked ? `Hide all ${Objects.types[objType].typeMultiple()}` : `Show all ${Objects.types[objType].typeMultiple()}`
+            }
+            
+            Label {
+                id: typeHeaderText
+                verticalAlignment: TextInput.AlignVCenter
+                text: Objects.types[objType].typeMultiple() + ":"
+                font.pixelSize: 20
+            }
+        }
+        
+        delegate: Item {
+            id: controlRow
+            property var obj: Objects.currentObjects[objType][index]
+            property alias objVisible: objVisibilityCheckBox.checked
+            height: 40
+            width: objTypeList.width
+            
+            Component.onCompleted: objTypeList.editingRows.push(controlRow)
+            
+            CheckBox {
+                id: objVisibilityCheckBox
+                checked: Objects.currentObjects[objType][index].visible
+                anchors.verticalCenter: parent.verticalCenter
+                anchors.left: parent.left
+                anchors.leftMargin: 5
+                onClicked: {
+                    history.addToHistory(new HistoryLib.EditedVisibility(
+                        Objects.currentObjects[objType][index].name, objType, this.checked
+                    ))
+                    Objects.currentObjects[objType][index].visible = this.checked
+                    objectListList.changed()
+                    controlRow.obj = Objects.currentObjects[objType][index]
+                }
+                
+                ToolTip.visible: hovered
+                ToolTip.text: checked ? `Hide ${objType} ${obj.name}` : `Show ${objType} ${obj.name}`
+            }
+            
+            Label {
+                id: objDescription
+                anchors.left: objVisibilityCheckBox.right
+                anchors.right: deleteButton.left
+                height: parent.height
+                verticalAlignment: TextInput.AlignVCenter
+                text: obj.getReadableString()
+                font.pixelSize: 14
+                
+                MouseArea {
+                    anchors.fill: parent
+                    onClicked: {
+                        objEditor.obj = Objects.currentObjects[objType][index]
+                        objEditor.objType = objType
+                        objEditor.objIndex = index
+                        objEditor.editingRow = controlRow
+                        objEditor.show()
+                    }
+                }
+            }
+            
+            Button {
+                id: deleteButton
+                width: parent.height - 10
+                height: width
+                anchors.right: colorPickRect.left
+                anchors.rightMargin: 5
+                anchors.topMargin: 5
+                icon.source: './icons/delete.svg'
+                icon.name: 'delete'
+                
+                onClicked: {
+                    history.addToHistory(new HistoryLib.DeleteObject(
+                        objEditor.obj.name, objEditor.objType, objEditor.obj.export()
+                    ))
+                    Objects.currentObjects[objType][index].delete()
+                    Objects.currentObjects[objType].splice(index, 1)
+                    objectListList.update()
+                }
+            }
+            
+            Rectangle {
+                id: colorPickRect
+                anchors.right: parent.right
+                anchors.rightMargin: 5
+                anchors.topMargin: 5
+                color: obj.color
+                width: parent.height - 10
+                height: width
+                radius: Math.min(width, height)
+                border.width: 2
+                border.color: sysPalette.windowText
+                
+                MouseArea {
+                    anchors.fill: parent
+                    onClicked: pickColor.open()
+                }
+            }
+            
+            D.ColorDialog {
+                id: pickColor
+                color: obj.color
+                title: `Pick new color for ${objType} ${obj.name}`
+                onAccepted: {
+                    history.addToHistory(new HistoryLib.EditedProperty(
+                        obj.name, objType, "color", 
+                        obj.color, color.toString()
+                    ))
+                    obj.color = color.toString()
+                    controlRow.obj = Objects.currentObjects[objType][index]
+                    objectListList.update()
+                }
+            }
+        }
+    }
+    
+    // Object editor
+    D.Dialog {
+        id: objEditor
+        property string objType: 'Point'
+        property int objIndex: 0
+        property QtObject editingRow: QtObject{}
+        property var obj: Objects.currentObjects[objType][objIndex]
+        title: `LogarithmPlotter`
+        width: 300
+        height: 400
+        
+        Label {
+            id: dlgTitle
+            anchors.left: parent.left
+            anchors.top: parent.top
+            verticalAlignment: TextInput.AlignVCenter
+            text: `Edit properties of ${objEditor.objType} ${objEditor.obj.name}`
+            font.pixelSize: 20
+            color: sysPalette.windowText
+        }
+        
+        Column {
+            id: dlgProperties
+            anchors.top: dlgTitle.bottom
+            width: objEditor.width - 20
+            spacing: 10
+        
+            TextSetting {
+                id: nameProperty
+                height: 30
+                label: "Name"
+                icon: "icons/settings/custom/label.svg"
+                min: 1
+                width: dlgProperties.width
+                defValue: objEditor.obj.name
+                onChanged: function(newValue) {
+                    var newName = Utils.parseName(newValue)
+                    if(newName != '' && objEditor.obj.name != newName) {
+                        if(Objects.getObjectByName(newName) != null) {
+                            console.log(Objects.getObjectByName(newName).name, newName)
+                            newName = Objects.getNewName(newName)
+                        }
+                        history.addToHistory(new HistoryLib.NameChanged(
+                            objEditor.obj.name, objEditor.objType, newName
+                        ))
+                        Objects.currentObjects[objEditor.objType][objEditor.objIndex].name = newName
+                        objEditor.obj = Objects.currentObjects[objEditor.objType][objEditor.objIndex]
+                        objectListList.update()
+                    }
+                }
+            }
+        
+            ComboBoxSetting {
+                id: labelContentProperty
+                height: 30
+                width: dlgProperties.width
+                label: "Label content"
+                model: ["null", "name", "name + value"]
+                icon: "icons/settings/custom/label.svg"
+                currentIndex: model.indexOf(objEditor.obj.labelContent)
+                onActivated: function(newIndex) {
+                    Objects.currentObjects[objEditor.objType][objEditor.objIndex].labelContent = model[newIndex]
+                    objectListList.update()
+                }
+            }
+            
+            // Dynamic properties
+            Repeater {
+                id: dlgCustomProperties
+                
+                Item {
+                    height: customPropComment.height + customPropText.height + customPropCheckBox.height + customPropCombo.height + customPropListDict.height
+                    width: dlgProperties.width
+                    property string label: Utils.camelCase2readable(modelData[0])
+                    
+                    Label {
+                        id: customPropComment
+                        width: parent.width
+                        height: visible ? implicitHeight : 0
+                        visible: modelData[0].startsWith('comment')
+                        text: visible ? modelData[1].replace(/\{name\}/g, objEditor.obj.name) : ''
+                        //color: sysPalette.windowText
+                        wrapMode: Text.WordWrap
+                    }
+                    
+                    TextSetting {
+                        id: customPropText
+                        height: visible ? 30 : 0
+                        width: parent.width
+                        label: parent.label
+                        icon: `icons/settings/custom/${parent.label}.svg`
+                        isDouble: modelData[1] == 'number'
+                        visible: paramTypeIn(modelData[1], ['Expression', 'Domain', 'string', 'number'])
+                        defValue: visible ? {
+                            'Expression': () => Utils.simplifyExpression(objEditor.obj[modelData[0]].toEditableString()),
+                            'Domain': () => objEditor.obj[modelData[0]].toString(),
+                            'string': () => objEditor.obj[modelData[0]],
+                            'number': () => objEditor.obj[modelData[0]]
+                        }[modelData[1]]() : ""
+                        onChanged: function(newValue) {
+                            var newValue = {
+                                'Expression': () => new MathLib.Expression(newValue),
+                                'Domain': () => MathLib.parseDomain(newValue),
+                                'string': () => newValue,
+                                'number': () => parseFloat(newValue)
+                            }[modelData[1]]()
+                            history.addToHistory(new HistoryLib.EditedProperty(
+                                objEditor.obj.name, objEditor.objType, modelData[0], 
+                                objEditor.obj[modelData[0]], newValue
+                            ))
+                            //Objects.currentObjects[objEditor.objType][objEditor.objIndex][modelData[0]] = newValue
+                            objEditor.obj[modelData[0]] = newValue
+                            Objects.currentObjects[objEditor.objType][objEditor.objIndex].update()
+                            objectListList.update()
+                        }
+                    }
+                    
+                    CheckBox {
+                        id: customPropCheckBox
+                        visible: modelData[1] == 'Boolean'
+                        height: visible ? 20 : 0
+                        width: parent.width
+                        text: parent.label
+                        icon: visible ? `icons/settings/custom/${parent.label}.svg` : ''
+                        
+                        checked: visible ? objEditor.obj[modelData[0]] : false
+                        onClicked: {
+                            history.addToHistory(new HistoryLib.EditedProperty(
+                                objEditor.obj.name, objEditor.objType, modelData[0], 
+                                objEditor.obj[modelData[0]], this.checked
+                            ))
+                            objEditor.obj[modelData[0]] = this.checked
+                            Objects.currentObjects[objEditor.objType][objEditor.objIndex].update()
+                            objectListList.update()
+                        }
+                    }
+                                        
+                    ComboBoxSetting {
+                        id: customPropCombo
+                        width: dlgProperties.width
+                        height: visible ? 30 : 0
+                        label: parent.label
+                        icon: `icons/settings/custom/${parent.label}.svg`
+                        // True to select an object of type, false for enums.
+                        property bool selectObjMode: paramTypeIn(modelData[1], ['ObjectType'])
+                        
+                        model: visible ? 
+                            (selectObjMode ? Objects.getObjectsName(modelData[1].objType).concat(['+ Create new ' + modelData[1].objType]) : modelData[1].values) 
+                            : []
+                        visible: paramTypeIn(modelData[1], ['ObjectType', 'Enum'])
+                        currentIndex: model.indexOf(selectObjMode ? objEditor.obj[modelData[0]].name : objEditor.obj[modelData[0]])
+
+                        onActivated: function(newIndex) {
+                            // Setting object property.
+                            if(selectObjMode) {
+                                var selectedObj = Objects.getObjectByName(model[newIndex], modelData[1].objType)
+                                if(selectedObj == null) {
+                                    selectedObj = Objects.createNewRegisteredObject(modelData[1].objType)
+                                    history.addToHistory(new HistoryLib.CreateNewObject(selectedObj.name, modelData[1].objType, selectedObj.export()))
+                                    model = Objects.getObjectsName(modelData[1].objType).concat(['+ Create new ' + modelData[1].objType])
+                                    currentIndex = model.indexOf(selectedObj.name)
+                                }
+                                //Objects.currentObjects[objEditor.objType][objEditor.objIndex].requiredBy = objEditor.obj[modelData[0]].filter((obj) => objEditor.obj.name != obj.name)
+                                objEditor.obj.requiredBy = objEditor.obj.requiredBy.filter((obj) => objEditor.obj.name != obj.name)
+                                selectedObj.requiredBy.push(Objects.currentObjects[objEditor.objType][objEditor.objIndex])
+                                history.addToHistory(new HistoryLib.EditedProperty(
+                                    objEditor.obj.name, objEditor.objType, modelData[0], 
+                                    objEditor.obj[modelData[0]], selectedObj
+                                ))
+                                //Objects.currentObjects[objEditor.objType][objEditor.objIndex][modelData[0]] = selectedObj
+                                objEditor.obj[modelData[0]] = selectedObj
+                            } else {
+                                history.addToHistory(new HistoryLib.EditedProperty(
+                                    objEditor.obj.name, objEditor.objType, modelData[0], 
+                                    objEditor.obj[modelData[0]], model[newIndex]
+                                ))
+                                //Objects.currentObjects[objEditor.objType][objEditor.objIndex][modelData[0]] = model[newIndex]
+                                objEditor.obj[modelData[0]] = model[newIndex]
+                            }
+                            // Refreshing
+                            Objects.currentObjects[objEditor.objType][objEditor.objIndex].update()
+                            objectListList.update()
+                        }
+                    }
+                    
+                    ListSetting {
+                        id: customPropListDict
+                        width: parent.width
+                        height: visible ? implicitHeight : 0
+                        
+                        visible: paramTypeIn(modelData[1], ['List', 'Dict'])
+                        label: parent.label
+                        //icon: `icons/settings/custom/${parent.label}.svg`
+                        dictionaryMode: paramTypeIn(modelData[1], ['Dict'])
+                        keyType: dictionaryMode ? modelData[1].keyType : 'string'
+                        valueType: visible ? modelData[1].valueType : 'string'
+                        preKeyLabel: visible ? (dictionaryMode ? modelData[1].preKeyLabel : modelData[1].label).replace(/\{name\}/g, objEditor.obj.name) : ''
+                        postKeyLabel: visible ? (dictionaryMode ? modelData[1].postKeyLabel : '').replace(/\{name\}/g, objEditor.obj.name) : ''
+                        keyRegexp: dictionaryMode ? modelData[1].keyFormat : /^.+$/
+                        valueRegexp: visible ? modelData[1].format : /^.+$/
+                        forbidAdding: visible ? modelData[1].forbidAdding : false
+                        
+                        onChanged: {
+                            var exported = exportModel()
+                            history.addToHistory(new HistoryLib.EditedProperty(
+                                objEditor.obj.name, objEditor.objType, modelData[0], 
+                                objEditor.obj[modelData[0]], exported
+                            ))
+                            //Objects.currentObjects[objEditor.objType][objEditor.objIndex][modelData[0]] = exported
+                            objEditor.obj[modelData[0]] = exported
+                            //Objects.currentObjects[objEditor.objType][objEditor.objIndex].update()
+                            objEditor.obj.update()
+                            objectListList.update()
+                        }
+                        
+                        Component.onCompleted: {
+                            if(visible) importModel(objEditor.obj[modelData[0]])
+                        }
+                    }
+                }
+            }
+        }
+        
+        function show() {
+            dlgCustomProperties.model = [] // Reset
+            var objProps = Objects.types[objEditor.objType].properties()
+            dlgCustomProperties.model = Object.keys(objProps).map(prop => [prop, objProps[prop]]) // Converted to 2-dimentional array.
+            objEditor.open()
+        }
+    }
+    
+    // Create items
+    footer: Column {
+        id: createRow
+        width: parent.width
+        
+        Label {
+            id: createTitle
+            verticalAlignment: TextInput.AlignVCenter
+            text: '+ Create new:'
+            font.pixelSize: 20
+            //color: sysPalette.windowText
+        }
+        
+        Grid {
+            width: parent.width
+            columns: 3
+            Repeater {
+                model: Object.keys(Objects.types)
+                
+                Button {
+                    id: createBtn
+                    text: modelData
+                    width: parent.width/3
+                    visible: Objects.types[modelData].createable()
+                    height: visible ? implicitHeight : 0
+                    display: AbstractButton.TextUnderIcon
+                    icon.source: './icons/'+modelData+'.svg' // Default to dark version
+                    icon.name: modelData
+                    icon.width: 24
+                    icon.height: 24
+                    icon.color: 'white'//sysPalette.windowText
+                    
+                    onClicked: {
+                        var newObj = Objects.createNewRegisteredObject(modelData)
+                        history.addToHistory(new HistoryLib.CreateNewObject(newObj.name, modelData, newObj.export()))
+                        objectListList.update()
+                        objEditor.obj = Objects.currentObjects[modelData][Objects.currentObjects[modelData].length - 1]
+                        objEditor.objType = modelData
+                        objEditor.objIndex = Objects.currentObjects[modelData].length - 1
+                        objEditor.editingRow = objectListList.listViews[modelData].editingRows[objEditor.objIndex]
+                        objEditor.show()
+                    }
+                }
+            }
+        }
+    }
+    
+    function update() {
+        objectListList.changed()
+        for(var objType in objectListList.listViews) {
+            objectListList.listViews[objType].model = Objects.currentObjects[objType]
+        }
+    }
+    
+    function paramTypeIn(parameter, types = []) {
+        if(types.includes(parameter.toString())) return true
+        if(typeof parameter == 'object' && 'type' in parameter) 
+            return types.includes(parameter.type)
+        return false
+    }
+}

LogarithmPlotter/qml/Settings.qml

@@ -0,0 +1,324 @@
+/**
+ *  LogarithmPlotter - Create graphs with logarithm scales.
+ *  Copyright (C) 2021  Ad5001
+ * 
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ * 
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ * 
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+import QtQuick.Controls 2.12
+import QtQuick 2.12 
+import "js/utils.js" as Utils
+
+ScrollView {
+    id: settings
+    
+    signal changed()
+    
+    property int settingWidth: settings.width
+    
+    property int xzoom: 100
+    property int yzoom: 10
+    property double xmin: 5/10
+    property double ymax: 25
+    property string xaxisstep: "4"
+    property string yaxisstep: "4"
+    property string xaxislabel: ""
+    property string yaxislabel: ""
+    property double linewidth: 1
+    property double textsize: 14
+    property bool logscalex: true
+    property string saveFilename: ""
+    property bool showxgrad: true
+    property bool showygrad: true
+    
+    Column {
+        //height: 30*12 //30*Math.max(1, Math.ceil(7 / columns))
+        //columns: Math.floor(width / settingWidth)
+        spacing: 10
+        
+        FileDialog {
+            id: fdiag
+            onAccepted: {
+                var filePath = fileUrl.toString().substr(7)
+                settings.saveFilename = filePath
+                if(exportMode) {
+                    root.saveDiagram(filePath)
+                } else {
+                    root.loadDiagram(filePath)
+                    if(xAxisLabel.find(settings.xaxislabel) == -1) xAxisLabel.model.append({text: settings.xaxislabel})
+                    xAxisLabel.editText = settings.xaxislabel
+                    if(yAxisLabel.find(settings.yaxislabel) == -1) yAxisLabel.model.append({text: settings.yaxislabel})
+                    yAxisLabel.editText = settings.yaxislabel
+                }
+            }
+        }
+        
+        // Zoom
+        TextSetting {
+            id: zoomX
+            height: 30
+            isInt: true
+            label: "X Zoom"
+            min: 1
+            icon: "icons/settings/xzoom.svg"
+            width: settings.settingWidth
+            defValue: settings.xzoom
+            onChanged: function(newValue) {
+                settings.xzoom = newValue
+                settings.changed()
+            }
+        }
+        
+        TextSetting {
+            id: zoomY
+            height: 30
+            isInt: true
+            label: "Y Zoom"
+            icon: "icons/settings/yzoom.svg"
+            width: settings.settingWidth
+            defValue: settings.yzoom
+            onChanged: function(newValue) {
+                settings.yzoom = newValue
+                settings.changed()
+            }
+        }
+        
+        // Positioning the graph
+        TextSetting {
+            id: minX
+            height: 30
+            isDouble: true
+            min: -Infinity
+            label: "Min X"
+            icon: "icons/settings/xmin.svg"
+            width: settings.settingWidth
+            defValue: settings.xmin
+            onChanged: function(newValue) {
+                settings.xmin = newValue
+                settings.changed()
+            }
+        }
+        
+        TextSetting {
+            id: maxY
+            height: 30
+            isDouble: true
+            label: "Max Y"
+            icon: "icons/settings/ymax.svg"
+            width: settings.settingWidth
+            defValue: settings.ymax
+            onChanged: function(newValue) {
+                settings.ymax = newValue
+                settings.changed()
+            }
+        }
+        
+        TextSetting {
+            id: xAxisStep
+            height: 30
+            label: "X Axis Step"
+            icon: "icons/settings/xaxisstep.svg"
+            width: settings.settingWidth
+            defValue: settings.xaxisstep
+            visible: !settings.logscalex
+            onChanged: function(newValue) {
+                settings.xaxisstep = newValue
+                settings.changed()
+            }
+        }
+        
+        TextSetting {
+            id: yAxisStep
+            height: 30
+            label: "Y Axis Step"
+            icon: "icons/settings/yaxisstep.svg"
+            width: settings.settingWidth
+            defValue: settings.yaxisstep
+            onChanged: function(newValue) {
+                settings.yaxisstep = newValue
+                settings.changed()
+            }
+        }
+        
+        TextSetting {
+            id: lineWidth
+            height: 30
+            isDouble: true
+            label: "Line width"
+            min: 1
+            icon: "icons/settings/linewidth.svg"
+            width: settings.settingWidth
+            defValue: settings.linewidth
+            onChanged: function(newValue) {
+                settings.linewidth = newValue
+                settings.changed()
+            }
+        }
+        
+        TextSetting {
+            id: textSize
+            height: 30
+            isDouble: true
+            label: "Text size (px)"
+            min: 1
+            icon: "icons/settings/textsize.svg"
+            width: settings.settingWidth
+            defValue: settings.textsize
+            onChanged: function(newValue) {
+                settings.textsize = newValue
+                settings.changed()
+            }
+        }
+        
+        ComboBoxSetting {
+            id: xAxisLabel
+            height: 30
+            width: settings.settingWidth
+            label: 'X Label'
+            icon: "icons/settings/xlabel.svg"
+            model: ListModel {
+                ListElement { text: "" }
+                ListElement { text: "x" }
+                ListElement { text: "ω (rad/s)" }
+            }
+            currentIndex: find(settings.xaxislabel)
+            editable: true
+            onAccepted: function(){
+                editText = Utils.parseName(editText, false)
+                if (find(editText) === -1) model.append({text: editText})
+                settings.xaxislabel = editText
+                settings.changed()
+            }
+            onActivated: function(selectedId) {
+                settings.xaxislabel = model.get(selectedId).text
+                settings.changed()
+            }
+            Component.onCompleted: editText = settings.xaxislabel
+        }
+        
+        ComboBoxSetting {
+            id: yAxisLabel
+            height: 30
+            width: settings.settingWidth
+            label: 'Y Label'
+            icon: "icons/settings/ylabel.svg"
+            model: ListModel {
+                ListElement { text: "" }
+                ListElement { text: "y" }
+                ListElement { text: "G (dB)" }
+                ListElement { text: "φ (°)" }
+                ListElement { text: "φ (deg)" }
+                ListElement { text: "φ (rad)" }
+            }
+            currentIndex: find(settings.yaxislabel)
+            editable: true
+            onAccepted: function(){
+                editText = Utils.parseName(editText, false)
+                if (find(editText) === -1) model.append({text: editText, yaxisstep: root.yaxisstep})
+                settings.yaxislabel = editText
+                settings.changed()
+            }
+            onActivated: function(selectedId) {
+                settings.yaxislabel = model.get(selectedId).text
+                settings.changed()
+            }
+            Component.onCompleted: editText = settings.yaxislabel
+        }
+        
+        CheckBox {
+            id: logScaleX
+            checked: settings.logscalex
+            text: 'X Log scale'
+            onClicked: {
+                settings.logscalex = checked
+                settings.changed()
+            }
+        }
+        
+        CheckBox {
+            id: showXGrad
+            checked: settings.showxgrad
+            text: 'Show X graduation'
+            onClicked: {
+                settings.showxgrad = checked
+                settings.changed()
+            }
+        }
+        
+        CheckBox {
+            id: showYGrad
+            checked: settings.showygrad
+            text: 'Show Y graduation'
+            onClicked: {
+                settings.showygrad = checked
+                settings.changed()
+            }
+        }
+        
+        Button {
+            id: copyToClipboard
+            height: 30
+            width: settings.settingWidth
+            text: "Copy to clipboard"
+            icon.name: 'editcopy'
+            onClicked: root.copyDiagramToClipboard()
+        }
+        
+        Button {
+            id: saveDiagram
+            height: 30
+            width: settings.settingWidth
+            text: "Save plot"
+            icon.name: 'document-save'
+            onClicked: save()
+        }
+        
+        Button {
+            id: saveDiagramAs
+            height: 30
+            width: settings.settingWidth
+            text: "Save plot as"
+            icon.name: 'document-save-as'
+            onClicked: saveAs()
+        }
+        
+        Button {
+            id: loadDiagram
+            height: 30
+            width: settings.settingWidth
+            text: "Load plot"
+            icon.name: 'document-open'
+            onClicked: load()
+        }
+    }
+    
+    function save() {
+        if(settings.saveFilename == "") {
+            fdiag.exportMode = true
+            fdiag.open()
+        } else {
+            root.saveDiagram(settings.saveFilename)
+        }
+    }
+    
+    function saveAs() {
+        fdiag.exportMode = true
+        fdiag.open()
+    }
+    
+    function load() {
+        fdiag.exportMode = false
+        fdiag.open()
+    }
+}

LogarithmPlotter/qml/TextSetting.qml

@@ -0,0 +1,137 @@
+/**
+ *  LogarithmPlotter - Create graphs with logarithm scales.
+ *  Copyright (C) 2021  Ad5001
+ * 
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ * 
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ * 
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+import QtQuick.Controls 2.12
+import QtQuick 2.12 
+
+Item {
+    id: control
+    height: 30
+    
+    signal changed(string newValue)
+    
+    property bool isInt: false
+    property bool isDouble: false
+    property double min: -1
+    property string label
+    property string defValue
+    property string icon: ""
+    
+    Icon {
+        id: iconLabel
+        anchors.top: parent.top
+        anchors.topMargin: icon == "" ? 0 : 3
+        source: control.visible ? control.icon : ""
+        width: height
+        height: icon == "" || !visible ? 0 : 24
+        color: sysPalette.windowText
+    }
+    
+    Label {
+        id: labelItem
+        anchors.left: iconLabel.right
+        anchors.leftMargin: icon == "" ? 0 : 5
+        height: parent.height
+        anchors.top: parent.top
+        verticalAlignment: TextInput.AlignVCenter
+        //color: sysPalette.windowText
+        text: control.label +": "
+    }
+    
+        
+    TextField {
+        id: input
+        anchors.top: parent.top
+        anchors.left: labelItem.right
+        anchors.leftMargin: 5
+        width: control.width - labelItem.width - iconLabel.width - 10
+        height: parent.height
+        verticalAlignment: TextInput.AlignVCenter
+        horizontalAlignment: TextInput.AlignHCenter
+        color: sysPalette.windowText
+        focus: true
+        text: control.defValue
+        selectByMouse: true
+        onEditingFinished: {
+            var value = text
+            if(control.isInt) value = Math.max(control.min,parseInt(value).toString()=="NaN"?control.min:parseInt(value))
+            if(control.isDouble) value = Math.max(control.min,parseFloat(value).toString()=="NaN"?control.min:parseFloat(value))
+            if(value != "" && value.toString() != defValue) {
+                control.changed(value)
+                defValue = value.toString()
+            }
+        }
+    }
+    
+    Button {
+        text: "α"
+        anchors.right: parent.right
+        anchors.rightMargin: 5
+        anchors.verticalCenter: parent.verticalCenter
+        width: 20
+        height: width
+        visible: !isInt && !isDouble
+        onClicked: insertPopup.open()
+    }
+    
+    Popup {
+        id: insertPopup
+        x: input.x
+        y: input.y + input.height
+        width: 200
+        height: insertGrid.insertChars/insertGrid.columns
+        modal: true
+        focus: true
+        closePolicy: Popup.CloseOnEscape | Popup.CloseOnPressOutsideParent
+        
+        Grid {
+            id: insertGrid
+            width: parent.width
+            columns: 10
+            
+            property var insertChars: [
+                "α","β","γ","δ","ε","ζ","η","θ","κ","λ",
+                "μ","ξ","ρ","ς","σ","τ","φ","χ","ψ","ω",
+                "Γ","Δ","Θ","Λ","Ξ","Π","Σ","Φ","Ψ","Ω",
+                "∞","∂"," "," "," "," "," "," "," "," ",
+                "¹","²","³","⁴","⁵","⁶","⁷","⁸","⁹","⁰",
+                "₁","₂","₃","₄","₅","₆","₇","₈","₉","₀",
+                "ₐ","ₑ","ₒ","ₓ","ₔ","ₕ","ₖ","ₗ","ₘ","ₙ",
+                "ₚ","ₛ","ₜ"," "," "," "," "," "," "," "
+
+            ]
+            Repeater {
+                model: parent.insertChars.length
+                
+                Button {
+                    id: insertBtn
+                    width: insertGrid.width/insertGrid.columns
+                    height: width
+                    text: insertGrid.insertChars[modelData]
+                    flat: text == " "
+                    
+                    onClicked: {
+                        input.insert(input.cursorPosition, insertGrid.insertChars[modelData])
+                        insertPopup.close()
+                        input.focus = true
+                    }
+                }
+            }
+        }
+    }
+}

LogarithmPlotter/qml/icons/Function.svg

@@ -0,0 +1,110 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   width="24.0px"
+   height="24.0px"
+   viewBox="0 0 24.0 24.0"
+   version="1.1"
+   id="SVGRoot"
+   sodipodi:docname="Function.svg"
+   inkscape:version="1.0.1 (3bc2e813f5, 2021-09-07)">
+  <defs
+     id="defs833" />
+  <sodipodi:namedview
+     id="base"
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1.0"
+     inkscape:pageopacity="0.0"
+     inkscape:pageshadow="2"
+     inkscape:zoom="31.678384"
+     inkscape:cx="15.268708"
+     inkscape:cy="12.238724"
+     inkscape:document-units="px"
+     inkscape:current-layer="layer1"
+     inkscape:document-rotation="0"
+     showgrid="true"
+     inkscape:window-width="1920"
+     inkscape:window-height="1011"
+     inkscape:window-x="0"
+     inkscape:window-y="0"
+     inkscape:window-maximized="1">
+    <inkscape:grid
+       type="xygrid"
+       id="grid1403" />
+  </sodipodi:namedview>
+  <metadata
+     id="metadata10">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+        <dc:title />
+        <dc:date>2021</dc:date>
+        <dc:creator>
+          <cc:Agent>
+            <dc:title>Ad5001</dc:title>
+          </cc:Agent>
+        </dc:creator>
+        <dc:rights>
+          <cc:Agent>
+            <dc:title>(C) Ad5001 2021 - Licensed under CC4.0-BY-NC-SA</dc:title>
+          </cc:Agent>
+        </dc:rights>
+        <cc:license
+           rdf:resource="http://creativecommons.org/licenses/by-nc-nd/4.0/" />
+      </cc:Work>
+      <cc:License
+         rdf:about="http://creativecommons.org/licenses/by-nc-nd/4.0/">
+        <cc:permits
+           rdf:resource="http://creativecommons.org/ns#Reproduction" />
+        <cc:permits
+           rdf:resource="http://creativecommons.org/ns#Distribution" />
+        <cc:requires
+           rdf:resource="http://creativecommons.org/ns#Notice" />
+        <cc:requires
+           rdf:resource="http://creativecommons.org/ns#Attribution" />
+        <cc:prohibits
+           rdf:resource="http://creativecommons.org/ns#CommercialUse" />
+      </cc:License>
+    </rdf:RDF>
+  </metadata>
+  <g
+     inkscape:label="Calque 1"
+     inkscape:groupmode="layer"
+     id="layer1">
+    <path
+       id="rect1415"
+       style="fill:#000000;fill-rule:evenodd"
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+       sodipodi:nodetypes="ccccccccccccccccc" />
+    <path
+       id="rect839"
+       style="fill:#000000;fill-rule:evenodd;stroke-width:2"
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+    <path
+       id="rect857"
+       style="fill:#000000;fill-rule:evenodd;stroke-width:2"
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+    <path
+       id="rect857-7"
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+</svg>

LogarithmPlotter/qml/icons/Gain Bode.svg

@@ -0,0 +1,92 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   width="24.0px"
+   height="24.0px"
+   viewBox="0 0 24.0 24.0"
+   version="1.1"
+   id="SVGRoot"
+   sodipodi:docname="Gain Bode.svg"
+   inkscape:version="1.0.1 (3bc2e813f5, 2021-09-07)">
+  <defs
+     id="defs1469" />
+  <sodipodi:namedview
+     id="base"
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1.0"
+     inkscape:pageopacity="0.0"
+     inkscape:pageshadow="2"
+     inkscape:zoom="15.839192"
+     inkscape:cx="15.763196"
+     inkscape:cy="7.8365971"
+     inkscape:document-units="px"
+     inkscape:current-layer="layer1"
+     inkscape:document-rotation="0"
+     showgrid="true"
+     inkscape:window-width="1920"
+     inkscape:window-height="1011"
+     inkscape:window-x="0"
+     inkscape:window-y="0"
+     inkscape:window-maximized="1">
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+       id="grid2039" />
+    <inkscape:grid
+       type="xygrid"
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+     id="metadata1472">
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+      <cc:Work
+         rdf:about="">
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+        <dc:type
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+    </rdf:RDF>
+  </metadata>
+  <g
+     inkscape:label="Calque 1"
+     inkscape:groupmode="layer"
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+    <rect
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+       id="rect835"
+       width="14"
+       height="2"
+       x="0"
+       y="17" />
+    <text
+       xml:space="preserve"
+       style="font-style:normal;font-weight:normal;font-size:17.3333px;line-height:1.25;font-family:sans-serif;letter-spacing:0px;word-spacing:0px;fill:#000000;fill-opacity:1;stroke:none"
+       x="-0.12666447"
+       y="12.134649"
+       id="text839"><tspan
+         sodipodi:role="line"
+         id="tspan837"
+         x="-0.12666447"
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+         style="font-size:17.3333px">ω</tspan></text>
+    <circle
+       style="fill:#000000;fill-rule:evenodd;stroke-width:2"
+       id="path837"
+       cx="13"
+       cy="18"
+       r="4" />
+    <path
+       id="rect837"
+       style="fill:#000000;fill-rule:evenodd;stroke-width:2.10035"
+       transform="rotate(30)"
+       d="m 20.686533,-6.169873 2.232051,-0.1339746 -0.06218,13.8923049 -2.23205,0.1339746 z"
+       sodipodi:nodetypes="ccccc" />
+  </g>
+</svg>

LogarithmPlotter/qml/icons/Phase Bode.svg

@@ -0,0 +1,88 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   width="24.0px"
+   height="24.0px"
+   viewBox="0 0 24.0 24.0"
+   version="1.1"
+   id="SVGRoot"
+   sodipodi:docname="Phase Bode.svg"
+   inkscape:version="1.0.1 (3bc2e813f5, 2021-09-07)">
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+     id="defs10" />
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+     id="base"
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1.0"
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+     inkscape:current-layer="layer1"
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+     showgrid="true"
+     inkscape:window-width="1920"
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+     inkscape:window-y="0"
+     inkscape:window-maximized="1">
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+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
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+    </rdf:RDF>
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+     inkscape:label="Calque 1"
+     inkscape:groupmode="layer"
+     id="layer1">
+    <rect
+       style="fill:#000000;stroke-width:1.1547"
+       id="rect26"
+       width="8"
+       height="2"
+       x="5"
+       y="18" />
+    <path
+       id="rect26-3"
+       style="fill:#000000;stroke-width:1.22474"
+       d="m 15,2 v 14 h 2 V 4 h 7 V 2 Z"
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+       style="fill:#000000;stroke-width:2.09999"
+       id="path45"
+       cx="16"
+       cy="19"
+       r="4" />
+    <text
+       xml:space="preserve"
+       style="font-size:18px;line-height:1.25;font-family:sans-serif;text-align:center;letter-spacing:0px;text-anchor:middle;stroke-width:0;stroke-miterlimit:4;stroke-dasharray:none"
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+  </g>
+</svg>

LogarithmPlotter/qml/icons/Point.svg

@@ -0,0 +1,78 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
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+   height="24.0px"
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+   sodipodi:docname="Point.svg"
+   inkscape:version="1.0.1 (3bc2e813f5, 2021-09-07)">
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+     id="defs1469" />
+  <sodipodi:namedview
+     id="base"
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1.0"
+     inkscape:pageopacity="0.0"
+     inkscape:pageshadow="2"
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+  </g>
+</svg>

LogarithmPlotter/qml/icons/Repartition.svg

@@ -0,0 +1,85 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
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LogarithmPlotter/qml/icons/X Cursor.svg

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LogarithmPlotter/qml/icons/delete.svg

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LogarithmPlotter/qml/icons/settings/custom/Definition Domain.svg

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LogarithmPlotter/qml/icons/settings/custom/Destination Domain.svg

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LogarithmPlotter/qml/icons/settings/custom/Display Mode.svg

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LogarithmPlotter/qml/icons/settings/custom/Display Style.svg

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LogarithmPlotter/qml/icons/settings/custom/Expression.svg

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LogarithmPlotter/qml/icons/settings/custom/Label Position.svg

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LogarithmPlotter/qml/icons/settings/custom/Label X.svg

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+position.svg

LogarithmPlotter/qml/icons/settings/custom/Pass.svg

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LogarithmPlotter/qml/icons/settings/custom/Phase.svg

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LogarithmPlotter/qml/icons/settings/custom/Point Style.svg

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+appearance.svg

LogarithmPlotter/qml/icons/settings/custom/Rounding.svg

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LogarithmPlotter/qml/icons/settings/custom/Target Element.svg

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+target.svg

LogarithmPlotter/qml/icons/settings/custom/Target Value Position.svg

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+position.svg

LogarithmPlotter/qml/icons/settings/custom/Text.svg

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LogarithmPlotter/qml/icons/settings/custom/Unit.svg

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LogarithmPlotter/qml/icons/settings/custom/X.svg

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LogarithmPlotter/qml/icons/settings/custom/Y.svg

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LogarithmPlotter/qml/icons/settings/custom/angle.svg

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LogarithmPlotter/qml/icons/settings/custom/appearance.svg

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LogarithmPlotter/qml/icons/settings/custom/arrow.svg

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LogarithmPlotter/qml/icons/settings/custom/label.svg

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LogarithmPlotter/qml/icons/settings/custom/position.svg

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LogarithmPlotter/qml/icons/settings/custom/target.svg

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LogarithmPlotter/qml/icons/settings/custom/ω₀.svg

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+angle.svg

LogarithmPlotter/qml/icons/settings/linewidth.svg

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LogarithmPlotter/qml/icons/settings/textsize.svg

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LogarithmPlotter/qml/icons/settings/xaxisstep.svg

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LogarithmPlotter/qml/icons/settings/xlabel.svg

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LogarithmPlotter/qml/icons/settings/xmin.svg

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+        <dc:type
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+        <dc:title />
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+  </g>
+</svg>

LogarithmPlotter/qml/icons/settings/xzoom.svg

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+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   width="24.0px"
+   height="24.0px"
+   viewBox="0 0 24.0 24.0"
+   version="1.1"
+   id="SVGRoot"
+   sodipodi:docname="xzoom.svg"
+   inkscape:version="1.0.1 (3bc2e813f5, 2021-09-07)">
+  <defs
+     id="defs836" />
+  <sodipodi:namedview
+     id="base"
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1.0"
+     inkscape:pageopacity="0.0"
+     inkscape:pageshadow="2"
+     inkscape:zoom="31.678384"
+     inkscape:cx="3.2863506"
+     inkscape:cy="11.157143"
+     inkscape:document-units="px"
+     inkscape:current-layer="layer1"
+     inkscape:document-rotation="0"
+     showgrid="true"
+     inkscape:window-width="1920"
+     inkscape:window-height="1011"
+     inkscape:window-x="0"
+     inkscape:window-y="0"
+     inkscape:window-maximized="1">
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+       id="grid1406" />
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+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+        <dc:title />
+      </cc:Work>
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+     inkscape:groupmode="layer"
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+    <path
+       id="path834"
+       style="fill:#000000;fill-rule:evenodd;stroke-width:2"
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+  </g>
+</svg>

LogarithmPlotter/qml/icons/settings/yaxisstep.svg

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+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   width="24.0px"
+   height="24.0px"
+   viewBox="0 0 24.0 24.0"
+   version="1.1"
+   id="SVGRoot"
+   sodipodi:docname="yaxisstep.svg"
+   inkscape:version="1.0.1 (3bc2e813f5, 2021-09-07)">
+  <defs
+     id="defs836" />
+  <sodipodi:namedview
+     id="base"
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1.0"
+     inkscape:pageopacity="0.0"
+     inkscape:pageshadow="2"
+     inkscape:zoom="31.678384"
+     inkscape:cx="9.6822382"
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+     inkscape:document-units="px"
+     inkscape:current-layer="layer1"
+     inkscape:document-rotation="0"
+     showgrid="true"
+     inkscape:window-width="1920"
+     inkscape:window-height="1011"
+     inkscape:window-x="0"
+     inkscape:window-y="0"
+     inkscape:window-maximized="1">
+    <inkscape:grid
+       type="xygrid"
+       id="grid1406" />
+  </sodipodi:namedview>
+  <metadata
+     id="metadata839">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+        <dc:title></dc:title>
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <g
+     inkscape:label="Calque 1"
+     inkscape:groupmode="layer"
+     id="layer1">
+    <rect
+       style="fill:#000000;fill-rule:evenodd;stroke-width:4.24264"
+       id="rect1418"
+       width="2"
+       height="20"
+       x="7"
+       y="2" />
+    <rect
+       style="fill:#000000;fill-rule:evenodd;stroke-width:3.65149"
+       id="rect1420"
+       width="20"
+       height="2"
+       x="2"
+       y="18" />
+    <rect
+       style="fill:#ff0000;fill-rule:evenodd;stroke-width:3.34662"
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+       width="1"
+       height="14"
+       x="3"
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+       transform="rotate(90)" />
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+       style="fill:#ff0000;fill-rule:evenodd;stroke-width:3.34662"
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+       width="1"
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+       y="-18"
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+  </g>
+</svg>

LogarithmPlotter/qml/icons/settings/ylabel.svg

@@ -0,0 +1,78 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   width="24.0px"
+   height="24.0px"
+   viewBox="0 0 24.0 24.0"
+   version="1.1"
+   id="SVGRoot"
+   sodipodi:docname="ylabel.svg"
+   inkscape:version="1.0.1 (3bc2e813f5, 2021-09-07)">
+  <defs
+     id="defs836" />
+  <sodipodi:namedview
+     id="base"
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1.0"
+     inkscape:pageopacity="0.0"
+     inkscape:pageshadow="2"
+     inkscape:zoom="22.4"
+     inkscape:cx="7.6028031"
+     inkscape:cy="9.4464758"
+     inkscape:document-units="px"
+     inkscape:current-layer="layer1"
+     inkscape:document-rotation="0"
+     showgrid="true"
+     inkscape:window-width="1920"
+     inkscape:window-height="1011"
+     inkscape:window-x="0"
+     inkscape:window-y="0"
+     inkscape:window-maximized="1">
+    <inkscape:grid
+       type="xygrid"
+       id="grid1406" />
+  </sodipodi:namedview>
+  <metadata
+     id="metadata839">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+        <dc:title />
+      </cc:Work>
+    </rdf:RDF>
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+  <g
+     inkscape:label="Calque 1"
+     inkscape:groupmode="layer"
+     id="layer1">
+    <rect
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+       height="20"
+       x="5"
+       y="2" />
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+       style="fill:#000000;fill-rule:evenodd;stroke-width:3.65149"
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+       x="2"
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+  </g>
+</svg>

LogarithmPlotter/qml/icons/settings/ymax.svg

@@ -0,0 +1,81 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   width="24.0px"
+   height="24.0px"
+   viewBox="0 0 24.0 24.0"
+   version="1.1"
+   id="SVGRoot"
+   sodipodi:docname="ymax.svg"
+   inkscape:version="1.0.1 (3bc2e813f5, 2021-09-07)">
+  <defs
+     id="defs836" />
+  <sodipodi:namedview
+     id="base"
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1.0"
+     inkscape:pageopacity="0.0"
+     inkscape:pageshadow="2"
+     inkscape:zoom="22.4"
+     inkscape:cx="7.9418411"
+     inkscape:cy="14.202968"
+     inkscape:document-units="px"
+     inkscape:current-layer="layer1"
+     inkscape:document-rotation="0"
+     showgrid="true"
+     inkscape:window-width="1920"
+     inkscape:window-height="1011"
+     inkscape:window-x="0"
+     inkscape:window-y="0"
+     inkscape:window-maximized="1">
+    <inkscape:grid
+       type="xygrid"
+       id="grid1406" />
+  </sodipodi:namedview>
+  <metadata
+     id="metadata839">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+        <dc:title />
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <g
+     inkscape:label="Calque 1"
+     inkscape:groupmode="layer"
+     id="layer1">
+    <rect
+       style="fill:#000000;fill-rule:evenodd;stroke-width:4.24264"
+       id="rect1418"
+       width="2"
+       height="18"
+       x="7"
+       y="3" />
+    <rect
+       style="fill:#000000;fill-rule:evenodd;stroke-width:3.65149"
+       id="rect1420"
+       width="20"
+       height="2"
+       x="2"
+       y="15" />
+    <rect
+       style="fill:#ff0000;fill-rule:evenodd;stroke-width:1.78884"
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+       width="1"
+       height="8"
+       x="4"
+       y="-12"
+       transform="rotate(90)" />
+  </g>
+</svg>

LogarithmPlotter/qml/icons/settings/yzoom.svg

@@ -0,0 +1,73 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   width="24.0px"
+   height="24.0px"
+   viewBox="0 0 24.0 24.0"
+   version="1.1"
+   id="SVGRoot"
+   sodipodi:docname="yzoom.svg"
+   inkscape:version="1.0.1 (3bc2e813f5, 2021-09-07)">
+  <defs
+     id="defs836" />
+  <sodipodi:namedview
+     id="base"
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1.0"
+     inkscape:pageopacity="0.0"
+     inkscape:pageshadow="2"
+     inkscape:zoom="11.2"
+     inkscape:cx="-43.489258"
+     inkscape:cy="12.995845"
+     inkscape:document-units="px"
+     inkscape:current-layer="layer1"
+     inkscape:document-rotation="0"
+     showgrid="true"
+     inkscape:window-width="1920"
+     inkscape:window-height="1011"
+     inkscape:window-x="0"
+     inkscape:window-y="0"
+     inkscape:window-maximized="1">
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+       type="xygrid"
+       id="grid1406" />
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+  <metadata
+     id="metadata839">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+        <dc:title />
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <g
+     inkscape:label="Calque 1"
+     inkscape:groupmode="layer"
+     id="layer1">
+    <path
+       id="rect1418"
+       style="fill:#000000;fill-rule:evenodd;stroke-width:4.24264"
+       d="M 3,7 7,3 11,7 H 8 V 21 H 6 V 7 Z"
+       sodipodi:nodetypes="cccccccc" />
+    <path
+       id="path834"
+       style="fill:#000000;fill-rule:evenodd;stroke-width:2"
+       d="M 12.949219,11 A 3,3 0 0 0 10,14 a 3,3 0 0 0 3,3 3,3 0 0 0 3,-3 3,3 0 0 0 -3,-3 3,3 0 0 0 -0.05078,0 z m 0.002,1 A 2,2 0 0 1 13,12 a 2,2 0 0 1 2,2 2,2 0 0 1 -2,2 2,2 0 0 1 -2,-2 2,2 0 0 1 1.951172,-2 z" />
+    <path
+       id="rect841"
+       style="fill:#000000;fill-rule:evenodd;stroke-width:2"
+       d="m 14,16 1,-1 4,4 -1,1 z"
+       sodipodi:nodetypes="ccccc" />
+  </g>
+</svg>

LogarithmPlotter/qml/js/historylib.js

@@ -0,0 +1,175 @@
+/**
+ *  LogarithmPlotter - Create graphs with logarithm scales.
+ *  Copyright (C) 2021  Ad5001
+ * 
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ * 
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ * 
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+// This library helps containing actions to be undone or redone (in other words, editing history)
+// Each type of event is repertoried as an action that can be listed for everything that's undoable.
+.pragma library
+
+.import "objects.js" as Objects
+.import "utils.js" as Utils
+.import "mathlib.js" as MathLib
+
+class Action {
+    // Type of the action done.
+    type(){return 'Unknown'}
+    
+    // TargetName is the name of the object that's targeted by the event.
+    constructor(targetName = "", targetType = "Point") {
+        this.targetName = targetName
+        this.targetType = targetType
+    }
+    
+    undo() {}
+    
+    redo() {}
+    
+    export() {
+        return [this.targetName, this.targetType]
+    }
+    
+    getReadableString() {
+        return 'Unknown action'
+    }
+}
+
+class CreateNewObject extends Action {
+    // Action used for the creation of an object
+    type(){return 'CreateNewObject'}
+    
+    constructor(targetName = "", targetType = "Point", properties = []) {
+        super(targetName, targetType)
+        this.targetProperties = properties
+    }
+
+    
+    undo() {
+        var targetIndex = Objects.getObjectsName(this.targetType).indexOf(this.targetName)
+        Objects.currentObjects[this.targetType][targetIndex].delete()
+        Objects.currentObjects[this.targetType].splice(targetIndex, 1)
+    }
+    
+    redo() {
+        Objects.createNewRegisteredObject(this.targetType, this.targetProperties)
+    }
+    
+    export() {
+        return [this.targetName, this.targetType, this.targetProperties]
+    }
+    
+    getReadableString() {
+        return `New ${this.targetType} ${this.targetName} created.`
+    }
+}
+
+class DeleteObject extends CreateNewObject {
+    // Action used at the deletion of an object. Basicly the same thing as creating a new object, except Redo & Undo are reversed.
+    type(){return 'DeleteObject'}
+    
+    undo() {
+        super.redo()
+    }
+    
+    redo() {
+        super.undo()
+    }
+    
+    getReadableString() {
+        return `${this.targetType} ${this.targetName} deleted.`
+    }
+}
+
+class EditedProperty extends Action {
+    // Action used everytime an object's property has been changed
+    type(){return 'EditedProperty'}
+    
+    constructor(targetName = "", targetType = "Point", targetProperty = "visible", previousValue = false, newValue = true, valueIsExpressionNeedingImport = false) {
+        super(targetName, targetType)
+        this.targetProperty = targetProperty
+        this.targetPropertyReadable = Utils.camelCase2readable(this.targetProperty)
+        this.previousValue = previousValue
+        this.newValue = newValue
+        if(valueIsExpressionNeedingImport) {
+            this.previousValue = new MathLib.Expression(this.previousValue);
+            this.newValue = new MathLib.Expression(this.newValue);
+        }
+    }
+    
+    undo() {
+        Objects.getObjectByName(this.targetName, this.targetType)[this.targetProperty] = this.previousValue
+    }
+    
+    redo() {
+        Objects.getObjectByName(this.targetName, this.targetType)[this.targetProperty] = this.newValue
+    }
+    
+    export() {
+        if(this.previousValue instanceof MathLib.Expression) {
+            return [this.targetName, this.targetType, this.targetProperty, this.previousValue.toEditableString(), this.newValue.toEditableString(), true]
+        } else {
+            return [this.targetName, this.targetType, this.targetProperty, this.previousValue, this.newValue, false]
+        }
+    }
+    
+    getReadableString() {
+        var prev = this.previousValue == null ? ""+this.previousValue : this.previousValue.toString()
+        var next = this.newValue == null ? ""+this.newValue : this.newValue.toString()
+        return `${this.targetPropertyReadable} of ${this.targetType} ${this.targetName} changed from "${prev}" to "${next}".`
+    }
+}
+
+class EditedVisibility extends EditedProperty {
+    // Action used everytime an object's property has been changed
+    type(){return 'EditedVisibility'}
+    
+    constructor(targetName = "", targetType = "Point", newValue = true) {
+        super(targetName, targetType, "visible", !newValue, newValue)
+    }
+    
+    getReadableString() {
+        if(this.newValue) {
+            return `${this.targetType} ${this.targetName} shown.`
+        } else {
+            return `${this.targetType} ${this.targetName} hidden.`
+        }
+    }
+}
+
+class NameChanged extends EditedProperty {
+    // Action used everytime an object's property has been changed
+    type(){return 'EditedVisibility'}
+    
+    constructor(targetName = "", targetType = "Point", newName = "") {
+        super(targetName, targetType, "name", targetName, newName)
+    }
+    
+    undo() {
+        Objects.getObjectByName(this.newValue, this.targetType)['name'] = this.previousValue
+    }
+    
+    redo() {
+        Objects.getObjectByName(this.previousValue, this.targetType)[this.targetProperty] = this.newValue
+    }
+}
+
+var Actions = {
+    "Action": Action,
+    "CreateNewObject": CreateNewObject,
+    "DeleteObject": DeleteObject,
+    "EditedProperty": EditedProperty,
+    "EditedVisibility": EditedVisibility,
+}

LogarithmPlotter/qml/js/mathlib.js

@@ -0,0 +1,653 @@
+/**
+ *  LogarithmPlotter - Create graphs with logarithm scales.
+ *  Copyright (C) 2021  Ad5001
+ * 
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ * 
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ * 
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+.pragma library
+
+.import "expr-eval.js" as ExprEval
+.import "utils.js" as Utils
+
+
+
+var evalVariables = { // Variables not provided by expr-eval.js, needs to be provided manualy
+    "pi": Math.PI,
+    "π": Math.PI,
+    "inf": Infinity,
+    "Infinity": Infinity,
+    "∞": Infinity,
+    "e": Math.E,
+    "E": Math.E
+}
+
+var currentVars = {}
+
+const parser = new ExprEval.Parser()
+parser.functions.integral = function(a, b, f, variable) {
+    // https://en.wikipedia.org/wiki/Simpson%27s_rule
+    f = parser.parse(f).toJSFunction(variable, currentVars)
+    return (b-a)/6*(f(a)+4*f((a+b)/2)+f(b))
+}
+
+const DERIVATION_PRECISION = 0.1
+
+parser.functions.derivative = function(f, variable, x) {
+    f = parser.parse(f).toJSFunction(variable, currentVars)
+    return (f(x+DERIVATION_PRECISION/2)-f(x-DERIVATION_PRECISION/2))/DERIVATION_PRECISION
+}
+
+class Expression {
+    constructor(expr) {
+        this.expr = expr
+        this.calc = parser.parse(expr).simplify()
+        this.cached = this.isConstant()
+        this.cachedValue = this.cached ? this.calc.evaluate(evalVariables) : null
+    }
+    
+    isConstant() {
+        return !this.expr.includes("x") && !this.expr.includes("n")
+    }
+    
+    execute(x = 1) {
+        if(this.cached) return this.cachedValue
+        currentVars = Object.assign({'x': x}, evalVariables)
+        return this.calc.evaluate(currentVars)
+    }
+    
+    simplify(x) {
+        var expr = this.calc.substitute('x', x).simplify()
+        if(expr.evaluate(evalVariables) == 0) return '0'
+        var str = Utils.makeExpressionReadable(expr.toString());
+        if(str != undefined && str.match(/^\d*\.\d+$/)) {
+            if(str.split('.')[1].split('0').length > 7) {
+                // Likely rounding error
+                str = parseFloat(str.substring(0, str.length-1)).toString();
+            }
+        }
+        return str
+    }
+    
+    duplicate() {
+        return new Expression(this.toEditableString())
+    }
+    
+    toEditableString() {
+        return this.calc.toString()
+    }
+    
+    toString(forceSign=false) {
+        var str = Utils.makeExpressionReadable(this.calc.toString())
+        if(str[0] != '-' && forceSign) str = '+' + str
+        return str
+    }
+}
+
+function executeExpression(expr){
+    return (new Expression(expr.toString())).execute()
+}
+
+class Sequence extends Expression {
+    constructor(name, baseValues = {}, valuePlus = 1, expr = "") {
+        // u[n+valuePlus] = expr
+        super(expr)
+        this.name = name
+        this.baseValues = baseValues
+        this.calcValues = Object.assign({}, baseValues)
+        for(var n in this.calcValues)
+            if(['string', 'number'].includes(typeof this.calcValues[n]))
+                this.calcValues[n] = parser.parse(this.calcValues[n].toString()).simplify().evaluate(evalVariables)
+        this.valuePlus = parseInt(valuePlus)
+    }
+    
+    isConstant() {
+        return this.expr.indexOf("n") == -1
+    }
+    
+    execute(n = 1) {
+        if(n in this.calcValues)
+            return this.calcValues[n]
+        this.cache(n)
+        return this.calcValues[n]
+    }
+    
+    simplify(n = 1) {
+        if(n in this.calcValues) 
+            return Utils.makeExpressionReadable(this.calcValues[n].toString())
+        this.cache(n)
+        return Utils.makeExpressionReadable(this.calcValues[n].toString())
+    }
+    
+    cache(n = 1) {
+        var str = Utils.simplifyExpression(this.calc.substitute('n', n-this.valuePlus).toString())
+        var expr = parser.parse(str).simplify()
+        var l = {'n': n-this.valuePlus} // Just in case, add n (for custom functions)
+        l[this.name] = this.calcValues
+        currentVars = Object.assign(l, evalVariables)
+        this.calcValues[n] = expr.evaluate(currentVars)
+    }
+    
+    toString(forceSign=false) {
+        var str = Utils.makeExpressionReadable(this.calc.toString())
+        if(str[0] != '-' && forceSign) str = '+' + str
+        var subtxt = this.valuePlus == 0 ? 'ₙ' : Utils.textsub('n+' + this.valuePlus)
+        var ret = `${this.name}${subtxt} = ${str}${this.baseValues.length == 0 ? '' : "\n"}`
+        ret += Object.keys(this.baseValues).map(
+            n => `${this.name}${Utils.textsub(n)} = ${this.baseValues[n]}`
+        ).join('; ')
+        return ret
+    }
+}
+
+
+// Domains
+class Domain {
+    constructor() {}
+    
+    includes(x) { return false }
+    
+    toString() { return '???' }
+    
+    union(domain) { return domain }
+    
+    intersection(domain) { return this }
+    
+    static import(frm) {
+        switch(frm.trim().toUpperCase()) {
+            case "R":
+            case "ℝ":
+                return Domain.R
+                break;
+            case "RE":
+            case "R*":
+            case "ℝ*":
+                return Domain.RE
+                break;
+            case "RP":
+            case "R+":
+            case "ℝ⁺":
+                return Domain.RP
+                break;
+            case "RM":
+            case "R-":
+            case "ℝ⁻":
+                return Domain.RM
+                break;
+            case "RPE":
+            case "REP":
+            case "R+*":
+            case "R*+":
+            case "ℝ*⁺":
+            case "ℝ⁺*":
+                return Domain.RPE
+                break;
+            case "RME":
+            case "REM":
+            case "R-*":
+            case "R*-":
+            case "ℝ⁻*":
+            case "ℝ*⁻":
+                return Domain.RME
+                break;
+            case "ℕ":
+            case "N":
+            case "ZP":
+            case "ℤ⁺":
+                return Domain.N
+                break;
+            case "NLOG":
+            case "ℕˡᵒᵍ":
+                return Domain.NLog
+                break;
+            case "NE":
+            case "NP":
+            case "N*":
+            case "N+":
+            case "ℕ*":
+            case "ℕ⁺":
+            case "ZPE":
+            case "ZEP":
+            case "Z+*":
+            case "Z*+":
+            case "ℤ⁺*":
+            case "ℤ*⁺":
+                return Domain.NE
+                break;
+            case "Z":
+            case "ℤ":
+                return Domain.Z
+                break;
+            case "ZM":
+            case "Z-":
+            case "ℤ⁻":
+                return Domain.ZM
+                break;
+            case "ZME":
+            case "ZEM":
+            case "Z-*":
+            case "Z*-":
+            case "ℤ⁻*":
+            case "ℤ*⁻":
+                return Domain.ZME
+                break;
+            case "ZE":
+            case "Z*":
+            case "ℤ*":
+                return Domain.ZE
+                break;
+            default:
+                return new EmptySet()
+                break;
+        }
+    }
+}
+
+class EmptySet extends Domain {
+    
+    includes(x) { return false }
+    
+    toString() { return "∅" }
+    
+    union(domain) { return domain }
+    
+    intersection(domain) { return this }
+    
+    static import(frm) { return new EmptySet() }
+}
+
+class Range extends Domain {
+    constructor(begin, end, openBegin, openEnd) {
+        super()
+        if(typeof begin == 'number' || typeof begin == 'string') begin = new Expression(begin.toString())
+        this.begin = begin
+        if(typeof end == 'number' || typeof end == 'string') end = new Expression(end.toString())
+        this.end = end
+        this.openBegin = openBegin
+        this.openEnd = openEnd
+        this.displayName = (openBegin ? "]" : "[") + begin.toString() + ";" + end.toString() + (openEnd ? "[" : "]")
+    }
+    
+    includes(x) {
+        if(typeof x == 'string') x = executeExpression(x)
+        return ((this.openBegin && x > this.begin.execute()) || (!this.openBegin && x >= this.begin.execute())) &&
+            ((this.openEnd && x < this.end.execute()) || (!this.openEnd && x <= this.end.execute()))
+    }
+    
+    toString() {
+        return this.displayName
+    }
+    
+    union(domain) {
+        if(domain instanceof EmptySet) return this
+        if(domain instanceof DomainSet) return domain.union(this)
+        if(domain instanceof UnionDomain) return domain.union(this)
+        if(domain instanceof IntersectionDomain) return new UnionDomain(this, domain)
+        if(domain instanceof MinusDomain) return new UnionDomain(this, domain)
+        if(domain instanceof Range) return new UnionDomain(this, domain)
+    }
+    
+    intersection(domain) {
+        if(domain instanceof EmptySet) return domain
+        if(domain instanceof DomainSet) return domain.intersection(this)
+        if(domain instanceof UnionDomain) return new IntersectionDomain(this, domain)
+        if(domain instanceof IntersectionDomain) return domain.intersection(this)
+        if(domain instanceof MinusDomain) return new IntersectionDomain(this, domain)
+        if(domain instanceof Range) return new IntersectionDomain(this, domain)
+    }
+    
+    static import(frm) {
+        var openBegin = frm.trim().charAt(0) == "]"
+        var openEnd = frm.trim().charAt(frm.length -1) == "["
+        var [begin, end] = frm.substr(1, frm.length-2).split(";")
+        return new Range(begin.trim(), end.trim(), openBegin, openEnd)
+    }
+}
+
+class SpecialDomain extends Domain {
+    // For special domains (N, Z...)
+    // isValidExpr is function returning true when number is in domain
+    // false when it isn't.
+    // nextValue provides the next positive value in the domain
+    // after the one given.
+    constructor(displayName, isValid, next = x => true, previous = x => true, 
+                moveSupported = true) {
+        super()
+        this.displayName = displayName
+        this.isValid = isValid
+        this.nextValue = next
+        this.prevValue = previous
+        this.moveSupported = moveSupported
+    }
+    
+    includes(x) {
+        if(typeof x == 'string') x = executeExpression(x)
+        return this.isValid(x)
+    }
+    
+    next(x) {
+        if(typeof x == 'string') x = executeExpression(x)
+        return this.nextValue(x)
+    }
+    
+    previous(x) {
+        if(typeof x == 'string') x = executeExpression(x)
+        return this.prevValue(x)
+    }
+    
+    toString() {
+        return this.displayName
+    }
+    
+    union(domain) {
+        if(domain instanceof EmptySet) return this
+        if(domain instanceof DomainSet) return domain.union(this)
+        if(domain instanceof UnionDomain) return new UnionDomain(this, domain)
+        if(domain instanceof IntersectionDomain) return new UnionDomain(this, domain)
+        if(domain instanceof MinusDomain) return new UnionDomain(this, domain)
+        if(domain instanceof Range) return new UnionDomain(this, domain)
+    }
+    
+    intersection(domain) {
+        if(domain instanceof EmptySet) return domain
+        if(domain instanceof DomainSet) return domain.intersection(this)
+        if(domain instanceof UnionDomain) return new IntersectionDomain(this, domain)
+        if(domain instanceof IntersectionDomain) return new IntersectionDomain(this, domain)
+        if(domain instanceof MinusDomain) return new IntersectionDomain(this, domain)
+        if(domain instanceof Range) return new IntersectionDomain(this, domain)
+    }
+}
+
+
+class DomainSet extends SpecialDomain {
+    constructor(values) {
+        super('', x => true, x => x, true)
+        console.log(values)
+        var newVals = {}
+        this.executedValues = []
+        for(var value of values) {
+            var expr = new Expression(value.toString())
+            var ex = expr.execute()
+            newVals[ex] = expr
+            this.executedValues.push(ex)
+        }
+        this.executedValues.sort((a,b) => a-b)
+        this.values = this.executedValues.map(val => newVals[val])
+    }
+    
+    includes(x) {
+        if(typeof x == 'string') x = executeExpression(x)
+        for(var value of this.values)
+            if(x == value.execute()) return true
+        return false
+    }
+    
+    next(x) {
+        if(typeof x == 'string') x = executeExpression(x)
+        if(x < this.executedValues[0]) return this.executedValues[0]
+        for(var i = 1; i < this.values.length; i++) {
+            var prevValue = this.executedValues[i-1]
+            var value = this.executedValues[i]
+            if(x >= prevValue && x < value) return value
+        }
+        return null
+    }
+    
+    previous(x) {
+        if(typeof x == 'string') x = executeExpression(x)
+        if(x > this.executedValues[this.executedValues.length-1]) 
+            return this.executedValues[this.executedValues.length-1]
+        for(var i = 1; i < this.values.length; i++) {
+            var prevValue = this.executedValues[i-1]
+            var value = this.executedValues[i]
+            if(x > prevValue && x <= value) return prevValue
+        }
+        return null
+    }
+    
+    toString() {
+        return "{" + this.values.join(";") + "}"
+    }
+    
+    union(domain) {
+        if(domain instanceof EmptySet) return this
+        if(domain instanceof DomainSet) {
+            var newValues = []
+            var values = this.values.concat(domain.values).filter(function(val){
+                newValues.push(val.execute())
+                return newValues.indexOf(val.execute()) == newValues.length - 1
+            })
+            return new DomainSet(values)
+        }
+        var notIncludedValues = []
+        for(var value in this.values) {
+            var value = this.executedValues[i]
+            if(domain instanceof Range) {
+                if(domain.begin.execute() == value && domain.openBegin) {
+                    domain.openBegin = false
+                }
+                if(domain.end.execute() == value && domain.openEnd) {
+                    domain.openEnd = false
+                }
+            }
+            if(!domain.includes(value)) 
+                notIncludedValues.push(this.values[i].toEditableString())
+        }
+        if(notIncludedValues.length == 0) return domain
+        return new UnionDomain(domain, new DomainSet(notIncludedValues))
+    }
+    
+    intersection(domain) {
+        if(domain instanceof EmptySet) return domain
+        if(domain instanceof DomainSet) {
+            var domValues = domain.values.map(expr => expr.execute())
+            this.values = this.values.filter(function(val){
+                return domValues.indexOf(val.execute()) >= 0
+            })
+            return this
+        }
+        var includedValues = []
+        for(var i in this.values) {
+            var value = this.executedValues[i]
+            if(domain instanceof Range) {
+                if(domain.begin.execute() == value && !domain.openBegin) {
+                    domain.openBegin = false
+                }
+                if(domain.end.execute() == value && !domain.openEnd) {
+                    domain.openEnd = false
+                }
+            }
+            if(domain.includes(value)) 
+                includedValues.push(this.values[i].toEditableString())
+        }
+        if(includedValues.length == 0) return new EmptySet()
+        if(includedValues.length == this.values.length) return this
+        return new IntersectionDomain(domain, new DomainSet(includedValues))
+    }
+    
+    static import(frm) {
+        return new DomainSet(frm.substr(1, frm.length-2).split(";"))
+    }
+}
+
+class UnionDomain extends Domain {
+    constructor(dom1, dom2) {
+        super()
+        this.dom1 = dom1
+        this.dom2 = dom2
+    }
+    
+    includes(x) {
+        return this.dom1.includes(x) || this.dom2.includes(x)
+    }
+    
+    toString() {
+        return this.dom1.toString() + " ∪ " + this.dom2.toString()
+    }
+    
+    union(domain) {
+        if(domain instanceof EmptySet) return this
+        if(domain instanceof DomainSet) return domain.union(this)
+        if(domain instanceof Range) return domain.union(this)
+        if(domain instanceof UnionDomain) return new UnionDomain(this, domain)
+        if(domain instanceof IntersectionDomain) return new UnionDomain(this, domain)
+        if(domain instanceof MinusDomain) return new MinusDomain(this, domain)
+    }
+    
+    intersection(domain) {
+        if(domain instanceof EmptySet) return domain
+        if(domain instanceof DomainSet) return domain.intersection(this)
+        if(domain instanceof UnionDomain) return new IntersectionDomain(this, domain)
+        if(domain instanceof IntersectionDomain) return this.dom1.intersection(domain.dom1).intersection(this.dom2).intersection(domain.dom2)
+        if(domain instanceof MinusDomain) return new IntersectionDomain(this, domain)
+    }
+    
+    static import(frm) {
+        var domains = frm.trim().split("∪")
+        if(domains.length == 1) domains = frm.trim().split("U") // Fallback
+        var dom1 = parseDomain(domains.pop())
+        var dom2 = parseDomain(domains.join('∪'))
+        return dom1.union(dom2)
+    }
+}
+
+class IntersectionDomain extends Domain {
+    constructor(dom1, dom2) {
+        super()
+        this.dom1 = dom1
+        this.dom2 = dom2
+    }
+    
+    includes(x) {
+        return this.dom1.includes(x) && this.dom2.includes(x)
+    }
+    
+    toString() {
+        return this.dom1.toString() + " ∩ " + this.dom2.toString()
+    }
+    
+    union(domain) {
+        if(domain instanceof EmptySet) return this
+        if(domain instanceof DomainSet) return domain.union(this)
+        if(domain instanceof Range) return domain.union(this)
+        if(domain instanceof UnionDomain) return  this.dom1.union(domain.dom1).union(this.dom2).union(domain.dom2)
+        if(domain instanceof IntersectionDomain) return new UnionDomain(this, domain)
+        if(domain instanceof MinusDomain) return new MinusDomain(this, domain)
+    }
+    
+    intersection(domain) {
+        if(domain instanceof EmptySet) return domain
+        if(domain instanceof DomainSet) return domain.intersection(this)
+        if(domain instanceof UnionDomain) return new IntersectionDomain(this, domain)
+        if(domain instanceof IntersectionDomain) return new IntersectionDomain(this, domain)
+        if(domain instanceof MinusDomain) return new IntersectionDomain(this, domain)
+    }
+    
+    static import(frm) {
+        var domains = frm.trim().split("∩")
+        var dom1 = parseDomain(domains.pop())
+        var dom2 = parseDomain(domains.join('∩'))
+        return dom1.intersection(dom2)
+    }
+}
+
+class MinusDomain extends Domain {
+    constructor(dom1, dom2) {
+        super()
+        this.dom1 = dom1
+        this.dom2 = dom2
+    }
+    
+    includes(x) {
+        return this.dom1.includes(x) && !this.dom2.includes(x)
+    }
+    
+    toString() {
+        return this.dom1.toString() + "∖" + this.dom2.toString()
+    }
+    
+    static import(frm) {
+        var domains = frm.trim().split("∖")
+        if(domains.length == 1) domains = frm.trim().split("\\") // Fallback
+        var dom1 = parseDomain(domains.shift())
+        var dom2 = parseDomain(domains.join('∪'))
+        return new MinusDomain(dom1, dom2)
+    }
+}
+
+Domain.RE = new MinusDomain("R", "{0}")
+Domain.RE.displayName = "ℝ*"
+
+Domain.R = new Range(-Infinity,Infinity,true,true)
+Domain.R.displayName = "ℝ"
+Domain.RP = new Range(0,Infinity,true,false)
+Domain.RP.displayName = "ℝ⁺"
+Domain.RM = new Range(-Infinity,0,true,false)
+Domain.RM.displayName = "ℝ⁻"
+Domain.RPE = new Range(0,Infinity,true,true)
+Domain.RPE.displayName = "ℝ⁺*"
+Domain.RME = new Range(-Infinity,0,true,true)
+Domain.RME.displayName = "ℝ⁻*"
+Domain.N = new SpecialDomain('ℕ', x => x%1==0 && x >= 0, 
+                             x => Math.max(Math.floor(x)+1, 0), 
+                             x => Math.max(Math.ceil(x)-1, 0))
+Domain.NE = new SpecialDomain('ℕ*', x => x%1==0 && x > 0, 
+                              x => Math.max(Math.floor(x)+1, 1), 
+                              x => Math.max(Math.ceil(x)-1, 1))
+Domain.Z = new SpecialDomain('ℤ', x => x%1==0, x => Math.floor(x)+1, x => Math.ceil(x)-1)
+Domain.ZE = new SpecialDomain('ℤ*', x => x%1==0 && x != 0, 
+                              x => Math.floor(x)+1 == 0 ? Math.floor(x)+2 : Math.floor(x)+1, 
+                              x => Math.ceil(x)-1 == 0 ? Math.ceil(x)-2 : Math.ceil(x)-1)
+Domain.ZM = new SpecialDomain('ℤ⁻', x => x%1==0 && x <= 0,
+                              x => Math.min(Math.floor(x)+1, 0),
+                              x => Math.min(Math.ceil(x)-1, 0))
+Domain.ZME = new SpecialDomain('ℤ⁻*', x => x%1==0 && x < 0, 
+                               x => Math.min(Math.floor(x)+1, -1), 
+                               x => Math.min(Math.ceil(x)-1, -1))
+Domain.NLog = new SpecialDomain('ℕˡᵒᵍ', 
+                                x => x/Math.pow(10, x.toString().length-1) % 1 == 0 && x > 0, 
+                                function(x) {
+                                    var x10pow = Math.pow(10, x.toString().length-1)
+                                    return Math.max(1, (Math.floor(x/x10pow)+1)*x10pow)
+                                }, 
+                                function(x) {
+                                    var x10pow = Math.pow(10, x.toString().length-1)
+                                    return Math.max(1, (Math.ceil(x/x10pow)-1)*x10pow)
+                                })
+
+var refedDomains = []
+
+function parseDomain(domain) {
+    if(!domain.includes(')') && !domain.includes('(')) return parseDomainSimple(domain)
+    var domStr
+    while((domStr = /\(([^)(]+)\)/.exec(domain)) !== null) {
+        var dom = parseDomainSimple(domStr[1].trim());
+        domain = domain.replace(domStr[0], 'D' + refedDomains.length)
+        refedDomains.push(dom)
+    }
+    return parseDomainSimple(domain)
+}
+
+function parseDomainSimple(domain) {
+    domain = domain.trim()
+    if(domain.includes("U") || domain.includes("∪")) return UnionDomain.import(domain)
+    if(domain.includes("∩")) return IntersectionDomain.import(domain)
+    if(domain.includes("∖") || domain.includes("\\")) return MinusDomain.import(domain)
+    if(domain.charAt(0) == "{" && domain.charAt(domain.length -1) == "}") return DomainSet.import(domain)
+    if(domain.includes("]") || domain.includes("[")) return Range.import(domain)
+    if(["R", "ℝ", "N", "ℕ", "Z", "ℤ"].some(str => domain.toUpperCase().includes(str)))
+        return Domain.import(domain)
+    if(domain[0] == 'D') return refedDomains[parseInt(domain.substr(1))]
+    return new EmptySet()
+}

LogarithmPlotter/qml/js/parameters.js

@@ -0,0 +1,56 @@
+/**
+ *  LogarithmPlotter - Create graphs with logarithm scales.
+ *  Copyright (C) 2021  Ad5001
+ * 
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ * 
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ * 
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+class Enum {
+    constructor(...values) {
+        this.type = 'Enum'
+        this.values = values
+    }
+}
+
+class ObjectType {
+    constructor(objType) {
+        this.type = 'ObjectType'
+        this.objType = objType
+    }
+}
+
+class List {
+    constructor(type, format = /^.+$/, label = '', forbidAdding = false) {
+        // type can be string, int and double.
+        this.type = 'List'
+        this.valueType = type
+        this.format = format
+        this.label = label
+        this.forbidAdding = forbidAdding
+    }
+}
+
+class Dictionary {
+    constructor(type, keyType = 'string', format = /^.+$/, keyFormat = /^.+$/, preKeyLabel = '', postKeyLabel = ': ', forbidAdding = false) {
+        // type & keyType can be string, int and double.
+        this.type = 'Dict'
+        this.valueType = type
+        this.keyType = keyType
+        this.format = format
+        this.keyFormat = keyFormat
+        this.preKeyLabel = preKeyLabel
+        this.postKeyLabel = postKeyLabel
+        this.forbidAdding = forbidAdding
+    }
+}

LogarithmPlotter/qml/js/utils.js

@@ -0,0 +1,349 @@
+/**
+ *  LogarithmPlotter - Create graphs with logarithm scales.
+ *  Copyright (C) 2021  Ad5001
+ * 
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ * 
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ * 
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+.pragma library
+
+var powerpos = {
+    "-": "⁻",
+    "+": "⁺",
+    "=": "⁼",
+    " ": " ",
+    "(": "⁽",
+    ")": "⁾",
+    "0": "⁰",
+    "1": "¹",
+    "2": "²",
+    "3": "³",
+    "4": "⁴",
+    "5": "⁵",
+    "6": "⁶",
+    "7": "⁷",
+    "8": "⁸",
+    "9": "⁹",
+    "a": "ᵃ",
+    "b": "ᵇ",
+    "c": "ᶜ",
+    "d": "ᵈ",
+    "e": "ᵉ",
+    "f": "ᶠ",
+    "g": "ᵍ",
+    "h": "ʰ",
+    "i": "ⁱ",
+    "j": "ʲ",
+    "k": "ᵏ",
+    "l": "ˡ",
+    "m": "ᵐ",
+    "n": "ⁿ",
+    "o": "ᵒ",
+    "p": "ᵖ",
+    "r": "ʳ",
+    "s": "ˢ",
+    "t": "ᵗ",
+    "u": "ᵘ",
+    "v": "ᵛ",
+    "w": "ʷ",
+    "x": "ˣ",
+    "y": "ʸ",
+    "z": "ᶻ"
+}
+
+var indicepos = {
+    "-": "₋",
+    "+": "₊",
+    "=": "₌",
+    "(": "₍",
+    ")": "₎",
+    " ": " ",
+    "0": "₀",
+    "1": "₁",
+    "2": "₂",
+    "3": "₃",
+    "4": "₄",
+    "5": "₅",
+    "6": "₆",
+    "7": "₇",
+    "8": "₈",
+    "9": "₉",
+    "a": "ₐ",
+    "e": "ₑ",
+    "h": "ₕ",
+    "i": "ᵢ",
+    "j": "ⱼ",
+    "k": "ₖ",
+    "l": "ₗ",
+    "m": "ₘ",
+    "n": "ₙ",
+    "o": "ₒ",
+    "p": "ₚ",
+    "r": "ᵣ",
+    "s": "ₛ",
+    "t": "ₜ",
+    "u": "ᵤ",
+    "v": "ᵥ",
+    "x": "ₓ",
+}
+// Put a text in sup position
+function textsup(text) {
+    var ret = ""
+    text = text.toString()
+    for (var i = 0; i < text.length; i++) {
+        if(Object.keys(powerpos).indexOf(text[i]) >= 0) {
+            ret += powerpos[text[i]]
+        } else {
+            ret += text[i]
+        }
+    }
+    return ret
+}
+
+// Put a text in sub position
+function textsub(text) {
+    var ret = ""
+    text = text.toString()
+    for (var i = 0; i < text.length; i++) {
+        if(Object.keys(indicepos).indexOf(text[i]) >= 0) {
+            ret += indicepos[text[i]]
+        } else {
+            ret += text[i]
+        }
+    }
+    return ret
+}
+
+function simplifyExpression(str) {
+    var replacements = [
+        // Operations not done by parser.
+        [// Decomposition way 2
+            /(^.?|[+-] |\()([-.\d\w]+) ([*/]) \((([-.\d\w] [*/] )?[-\d\w.]+) ([+\-]) (([-.\d\w] [*/] )?[\d\w.+]+)\)(.?$| [+-]|\))/g,
+            "$1$2 $3 $4 $6 $2 $3 $7$9"
+        ],
+        [ // Decomposition way 2
+            /(^.?|[+-] |\()\((([-.\d\w] [*/] )?[-\d\w.]+) ([+\-]) (([-.\d\w] [*/] )?[\d\w.+]+)\) ([*/]) ([-.\d\w]+)(.?$| [+-]|\))/g,
+            "$1$8 $7 $2 $4 $8 $7 $5$9"
+        ],
+        [ // Factorisation of π elements.
+            /(([-\d\w.]+ [*/] )*)(pi|π)(( [/*] [-\d\w.]+)*) ([+-]) (([-\d\w.]+ [*/] )*)(pi|π)(( [/*] [-\d\w.]+)*)?/g,
+            function(match, m1, n1, pi1, m2, ope2, n2, opeM, m3, n3, pi2, m4, ope4, n4) {
+                //          g1, g2, g3 , g4, g5,   g6, g7,   g8, g9, g10, g11,g12 , g13
+                // We don't care about mx & pix, ope2 & ope4 are either / or * for n2 & n4.
+                // n1 & n3 are multiplied, opeM is the main operation (- or +).
+                // Putting all n in form of number
+                //n2 = n2 == undefined ? 1 : parseFloat(n)
+                n1 = m1 == undefined ? 1 : eval(m1 + '1')
+                n2 = m2 == undefined ? 1 : eval('1' + m2)
+                n3 = m3 == undefined ? 1 : eval(m3 + '1')
+                n4 = m4 == undefined ? 1 : eval('1' + m4)
+                //var [n1, n2, n3, n4] = [n1, n2, n3, n4].map(n => n == undefined ? 1 : parseFloat(n))
+                // Falling back to * in case it does not exist (the corresponding n would be 1)
+                var [ope2, ope4] = [ope2, ope4].map(ope => ope == '/' ? '/' : '*')
+                var coeff1 = n1*n2
+                var coeff2 = n3*n4
+                var coefficient = coeff1+coeff2-(opeM == '-' ? 2*coeff2 : 0)
+                
+                return `${coefficient} * π`
+            }
+        ],
+        [ // Removing parenthesis when content is only added from both sides.
+            /(^.?|[+-] |\()\(([^)(]+)\)(.?$| [+-]|\))/g,
+            function(match, b4, middle, after) {return `${b4}${middle}${after}`}
+        ],
+        [ // Removing parenthesis when content is only multiplied.
+            /(^.?|[*\/] |\()\(([^)(+-]+)\)(.?$| [*\/+-]|\))/g,
+            function(match, b4, middle, after) {return `${b4}${middle}${after}`}
+        ],
+        [ // Removing parenthesis when content is only multiplied.
+            /(^.?|[*\/-+] |\()\(([^)(+-]+)\)(.?$| [*\/]|\))/g,
+            function(match, b4, middle, after) {return `${b4}${middle}${after}`}
+        ],
+        [// Simplification additions/substractions.
+            /(^.?|[^*\/] |\()([-.\d]+) (\+|\-) (\([^)(]+\)|[^)(]+) (\+|\-) ([-.\d]+)(.?$| [^*\/]|\))/g,
+            function(match, b4, n1, op1, middle, op2, n2, after) {
+                var total
+                if(op2 == '+') {
+                    total = parseFloat(n1) + parseFloat(n2)
+                } else {
+                    total = parseFloat(n1) - parseFloat(n2)
+                }
+                return `${b4}${total} ${op1} ${middle}${after}`
+            }
+        ],
+        [// Simplification multiplications/divisions.
+            /([-.\d]+) (\*|\/) (\([^)(]+\)|[^)(+-]+) (\*|\/) ([-.\d]+)/g, 
+            function(match, n1, op1, middle, op2, n2) {
+                if(parseInt(n1) == n1 && parseInt(n2) == n2 && op2 == '/' &&
+                (parseInt(n1) / parseInt(n2)) % 1 != 0) {
+                    // Non int result for int division.
+                    return `(${n1} / ${n2}) ${op1} ${middle}`
+                } else {
+                    if(op2 == '*') {
+                        return `${parseFloat(n1) * parseFloat(n2)} ${op1} ${middle}`
+                    } else {
+                        return `${parseFloat(n1) / parseFloat(n2)} ${op1} ${middle}`
+                    }
+                }
+            }
+        ],
+        [// Starting & ending parenthesis if not needed.
+            /^\((.*)\)$/g,
+            function(match, middle) {
+                var str = middle
+                // Replace all groups
+                while(/\([^)(]+\)/g.test(str))
+                    str = str.replace(/\([^)(]+\)/g, '')
+                // There shouldn't be any more parenthesis
+                // If there is, that means the 2 parenthesis are needed.
+                if(!str.includes(')') && !str.includes('(')) {
+                    return middle
+                } else {
+                    return `(${middle})`
+                }
+                
+            }
+        ],
+        // Simple simplifications
+        [/(\s|^|\()0(\.0+)? \* (\([^)(]+\))/g, '$10'],
+        [/(\s|^|\()0(\.0+)? \* ([^)(+-]+)/g, '$10'],
+        [/(\([^)(]\)) \* 0(\.0+)?(\s|$|\))/g, '0$3'],
+        [/([^)(+-]) \* 0(\.0+)?(\s|$|\))/g, '0$3'],
+        [/(\s|^|\()1(\.0+)? (\*|\/) /g, '$1'],
+        [/(\s|^|\()0(\.0+)? (\+|\-) /g, '$1'],
+        [/ (\*|\/) 1(\.0+)?(\s|$|\))/g, '$3'],
+        [/ (\+|\-) 0(\.0+)?(\s|$|\))/g, '$3'],
+        [/(^| |\() /g, '$1'],
+        [/ ($|\))/g, '$1'],
+    ]
+    
+    // Replacements
+    var found
+    do {
+        found = false
+        for(var replacement of replacements)
+            while(replacement[0].test(str)) {
+                found = true
+                str = str.replace(replacement[0], replacement[1])
+            }
+    } while(found)
+    return str
+}
+
+
+function makeExpressionReadable(str) {
+    var replacements = [
+        // variables
+        [/pi/g, 'π'],
+        [/Infinity/g, '∞'],
+        [/inf/g, '∞'],
+        // Other
+        [/ \* /g, '×'],
+        [/ \^ /g, '^'],
+        [/\^\(([^\^]+)\)/g, function(match, p1) { return textsup(p1) }],
+        [/\^([^ "]+)/g, function(match, p1) { return textsup(p1) }],
+        [/_\(([^_]+)\)/g, function(match, p1) { return textsub(p1) }],
+        [/_([^ "]+)/g, function(match, p1) { return textsub(p1) }],
+        [/\[([^\[\]]+)\]/g, function(match, p1) { return textsub(p1) }],
+        [/(\d|\))×/g, '$1'],
+        //[/×(\d|\()/g, '$1'],
+        [/\(([^)(+.\/-]+)\)/g, "$1"],
+        [/integral\((.+), ?(.+), ?("|')(.+)("|'), ?("|')(.+)("|')\)/g, function(match, a, b, p1, body, p2, p3, by, p4) {
+            if(a.length < b.length) {
+                return `∫${textsub(a)}${textsup(b)} ${body} d${by}`
+            } else {
+                return `∫${textsup(b)}${textsub(a)} ${body} d${by}`
+            }
+        }],
+        [/derivative\(?("|')(.+)("|'), ?("|')(.+)("|'), ?(.+)\)?/g, function(match, p1, body, p2, p3, by, p4, x) {
+            return `d(${body.replace(new RegExp(by, 'g'), 'x')})/dx`
+        }]
+    ]
+    
+    str = simplifyExpression(str)
+    // Replacements
+    for(var replacement of replacements)
+        while(replacement[0].test(str))
+            str = str.replace(replacement[0], replacement[1])
+    return str
+}
+
+function parseName(str, removeUnallowed = true) {
+    var replacements = [
+        // Greek letters
+        [/([^a-z]|^)al(pha)?([^a-z]|$)/g, '$1α$3'],
+        [/([^a-z]|^)be(ta)?([^a-z]|$)/g, '$1β$3'],
+        [/([^a-z]|^)ga(mma)?([^a-z]|$)/g, '$1γ$3'],
+        [/([^a-z]|^)de(lta)?([^a-z]|$)/g, '$1δ$3'],
+        [/([^a-z]|^)ep(silon)?([^a-z]|$)/g, '$1ε$3'],
+        [/([^a-z]|^)ze(ta)?([^a-z]|$)/g, '$1ζ$3'],
+        [/([^a-z]|^)et(a)?([^a-z]|$)/g, '$1η$3'],
+        [/([^a-z]|^)th(eta)?([^a-z]|$)/g, '$1θ$3'],
+        [/([^a-z]|^)io(ta)?([^a-z]|$)/g, '$1ι$3'],
+        [/([^a-z]|^)ka(ppa)([^a-z]|$)?/g, '$1κ$3'],
+        [/([^a-z]|^)la(mbda)?([^a-z]|$)/g, '$1λ$3'],
+        [/([^a-z]|^)mu([^a-z]|$)/g, '$1μ$2'],
+        [/([^a-z]|^)nu([^a-z]|$)/g, '$1ν$2'],
+        [/([^a-z]|^)xi([^a-z]|$)/g, '$1ξ$2'],
+        [/([^a-z]|^)rh(o)?([^a-z]|$)/g, '$1ρ$3'],
+        [/([^a-z]|^)si(gma)?([^a-z]|$)/g, '$1σ$3'],
+        [/([^a-z]|^)ta(u)?([^a-z]|$)/g, '$1τ$3'],
+        [/([^a-z]|^)up(silon)?([^a-z]|$)/g, '$1υ$3'],
+        [/([^a-z]|^)ph(i)?([^a-z]|$)/g, '$1φ$3'],
+        [/([^a-z]|^)ch(i)?([^a-z]|$)/g, '$1χ$3'],
+        [/([^a-z]|^)ps(i)?([^a-z]|$)/g, '$1ψ$3'],
+        [/([^a-z]|^)om(ega)?([^a-z]|$)/g, '$1ω$3'],
+        // Capital greek letters
+        [/([^a-z]|^)gga(mma)?([^a-z]|$)/g, '$1Γ$3'],
+        [/([^a-z]|^)gde(lta)?([^a-z]|$)/g, '$1Δ$3'],
+        [/([^a-z]|^)gth(eta)?([^a-z]|$)/g, '$1Θ$3'],
+        [/([^a-z]|^)gla(mbda)?([^a-z]|$)/g, '$1Λ$3'],
+        [/([^a-z]|^)gxi([^a-z]|$)/g, '$1Ξ$2'],
+        [/([^a-z]|^)gpi([^a-z]|$)/g, '$1Π$2'],
+        [/([^a-z]|^)gsi(gma)([^a-z]|$)?/g, '$1Σ$3'],
+        [/([^a-z]|^)gph(i)?([^a-z]|$)/g, '$1Φ$3'],
+        [/([^a-z]|^)gps(i)?([^a-z]|$)/g, '$1Ψ$3'],
+        [/([^a-z]|^)gom(ega)?([^a-z]|$)/g, '$1Ω$3'],
+        // Underscores
+        [/_\(([^_]+)\)/g, function(match, p1) { return textsub(p1) }],
+        [/_([^" ]+)/g, function(match, p1) { return textsub(p1) }],
+        // Array elements
+        [/\[([^\]\[]+)\]/g, function(match, p1) { return textsub(p1) }],
+        // Removing
+        [/[xπℝℕ\\∪∩\]\[ ()^/÷*×+=\d-]/g , ''],
+    ]
+    if(!removeUnallowed) replacements.pop()
+    // Replacements
+    for(var replacement of replacements)
+        str = str.replace(replacement[0], replacement[1])
+    return str
+}
+
+String.prototype.toLatinUppercase = function() {
+    return this.replace(/[a-z]/g, function(match){return match.toUpperCase()})
+}
+
+function camelCase2readable(label) {
+    var parsed = parseName(label, false)
+    return parsed.charAt(0).toLatinUppercase() + parsed.slice(1).replace(/([A-Z])/g," $1")
+}
+
+function getRandomColor() {
+    var clrs = '0123456789ABCDEF';
+    var color = '#';
+    for(var i = 0; i < 6; i++) {
+        color += clrs[Math.floor(Math.random() * (16-5*(i%2==0)))];
+    }
+    return color;
+}