Adding default canvas settings

+ Getting rid of Qt5COmpat for Icon. + Fixing some (non production) bugs.
2024-04-03 21:39:06 +02:00 · 2024-04-03 21:39:06 +02:00 · 54f9802975
commit 54f9802975
parent 997a1645a0
23 changed files with 558 additions and 235 deletions
--- a/LogarithmPlotter/qml/eu/ad5001/LogarithmPlotter/AppMenuBar.qml
+++ b/LogarithmPlotter/qml/eu/ad5001/LogarithmPlotter/AppMenuBar.qml
@ -33,7 +33,6 @@ import "js/historylib.mjs" as HistoryLib
    \sa LogarithmPlotter
 */
 MenuBar {
-    property var settingsMenu: settingsSubMenu
    
    Menu {
        title: qsTr("&File")
--- a/LogarithmPlotter/qml/eu/ad5001/LogarithmPlotter/LogGraphCanvas.qml
+++ b/LogarithmPlotter/qml/eu/ad5001/LogarithmPlotter/LogGraphCanvas.qml
@ -168,4 +168,45 @@ Canvas {
            }
        })
    }
+    
+        /*!
+        \qmlmethod double LogGraphCanvas::x2px(double x)
+        Converts an \c x coordinate to it's relative position on the canvas.
+        It supports both logarithmic and non logarithmic scale depending on the currently selected mode.
+    */
+    function x2px(x) {
+        if(logscalex) {
+            var logxmin = Math.log(xmin)
+            return (Math.log(x)-logxmin)*xzoom
+        } else return (x - xmin)*xzoom
+    }
+    
+    /*!
+        \qmlmethod double LogGraphCanvas::y2px(double y)
+        Converts an \c y coordinate to it's relative position on the canvas.
+        The y axis not supporting logarithmic scale, it only support linear convertion.
+    */
+    function y2px(y) {
+        return (ymax-y)*yzoom
+    }
+
+    /*!
+        \qmlmethod double LogGraphCanvas::px2x(double px)
+        Converts an x \c px position on the canvas to it's corresponding coordinate on the plot.
+        It supports both logarithmic and non logarithmic scale depending on the currently selected mode.
+    */
+    function px2x(px) {
+        if(logscalex) {
+            return Math.exp(px/xzoom+Math.log(xmin))
+        } else return (px/xzoom+xmin)
+    }
+
+    /*!
+        \qmlmethod double LogGraphCanvas::px2x(double px)
+        Converts an x \c px position on the canvas to it's corresponding coordinate on the plot.
+        It supports both logarithmic and non logarithmic scale depending on the currently selected mode.
+    */
+    function px2y(px) {
+        return -(px/yzoom-ymax)
+    }
 }
--- a/LogarithmPlotter/qml/eu/ad5001/LogarithmPlotter/Popup/Preferences.qml
+++ b/LogarithmPlotter/qml/eu/ad5001/LogarithmPlotter/Popup/Preferences.qml
@ -20,7 +20,8 @@ import QtQuick
 import QtQuick.Controls
 import QtQuick.Layouts
 import eu.ad5001.LogarithmPlotter.Setting 1.0 as Setting
-import "../js/setting/common.mjs" as S
+import "../js/preferences/common.mjs" as S
+import "../js/utils.mjs" as Utils

 /*!
    \qmltype Preferences
@ -60,11 +61,75 @@ Popup {
            label: setting.displayName
            icon: `settings/${setting.icon}.svg`
            currentIndex: setting.value()
-            model: setting.values()
+            model: setting.values
            onActivated: function(newIndex) { setting.set(newIndex) }
        }
    }
    
+    Component {
+        id: stringSettingComponent
+        
+        Setting.ComboBoxSetting {
+            height: 30
+            label: setting.displayName
+            icon: `settings/${setting.icon}.svg`
+            editable: true
+            currentIndex: find(setting.value())
+            model: setting.defaultValues
+            onAccepted: function() {
+                editText = Utils.parseName(editText, false)
+                if(find(editText) === -1) model.append(editText)
+                setting.set(editText)
+            }
+            onActivated: function(selectedId) {
+                setting.set(model[selectedId])
+            }
+            Component.onCompleted: editText = setting.value()
+        }
+    }
+    
+    Component {
+        id: numberSettingComponent
+        
+        Setting.TextSetting {
+            height: 30
+            isDouble: true
+            label: setting.displayName
+            min: setting.min()
+            icon: `settings/${setting.icon}.svg`
+            value: setting.value()
+            onChanged: function(newValue) {
+                if(newValue < setting.max())
+                    setting.set(newValue)
+                else {
+                    value = setting.max()
+                    setting.set(setting.max())
+                }
+            }
+        }
+    }
+    
+    Component {
+        id: expressionSettingComponent
+        
+        Setting.ExpressionEditor {
+            height: 30
+            label: setting.displayName
+            icon: `settings/${setting.icon}.svg`
+            defValue: Utils.simplifyExpression(setting.value())
+            variables: setting.variables
+            allowGraphObjects: false
+            property string propertyName: setting.displayName
+            onChanged: function(newExpr) {
+                try {
+                    setting.set(newExpr)
+                } catch(e) {
+                    errorDialog.showDialog(propertyName, newExpr, e.message)
+                }
+            }
+        }
+    }
+    
    Row {
        id: settingPopupRow
        height: 300
@ -90,7 +155,7 @@ Popup {
            clip: true
            
            Repeater {
-                model: Object.keys(Modules.Settings.categories)
+                model: Object.keys(Modules.Preferences.categories)
                
                Button {
                    // width: 150
@ -98,8 +163,8 @@ Popup {
                    text: qsTranslate('settingCategory', modelData)
                    
                    onClicked: {
-                        settingList.model = Modules.Settings.categories[modelData]
-                        settingCategoryName.text = text
+                        settingView.model = Modules.Preferences.categories[modelData]
+                        settingView.name = text
                    }
                }
            }
@ -133,26 +198,31 @@ Popup {
            width: 1
        }
        
-        ScrollView {
+        ListView {
            id: settingView
            clip: true
            width: 500
-            height: parent.height
-            
-            Column {
            spacing: 10
-                clip: true
-                width: settingView.width
+            model: Modules.Preferences.categories.general
+            anchors {
+                top: parent.top
+                bottom: parent.bottom
+            }
+            ScrollBar.vertical: ScrollBar { }
+            property string name: qsTranslate('settingCategory', 'general')

-                Text {
+            
+            header: Text {
                id: settingCategoryName
                font.pixelSize: 32
+                height: 48
                color: sysPalette.windowText
-                    text: qsTranslate('settingCategory', 'general')
+                text: settingView.name
                
                Rectangle {
                    id: bottomSeparator
-                        anchors.top: parent.bottom
+                    anchors.bottom: parent.bottom
+                    anchors.bottomMargin: 8
                    opacity: 0.3
                    color: sysPalette.windowText
                    width: settingView.width
@ -160,19 +230,21 @@ Popup {
                }
            }
            
-                Repeater {
-                    id: settingList
-                    model: Modules.Settings.categories.general
-                    
            delegate: Component {
                Loader {
-                            width: settingView.width
+                    width: settingView.width * 2 / 3
                    property var setting: modelData
                    sourceComponent: {
                        if(setting instanceof S.BoolSetting)
                            return boolSettingComponent
                        else if(setting instanceof S.EnumIntSetting)
                            return enumIntSettingComponent
+                        else if(setting instanceof S.NumberSetting)
+                            return numberSettingComponent
+                        else if(setting instanceof S.ExpressionSetting)
+                            return expressionSettingComponent
+                        else if(setting instanceof S.StringSetting)
+                            return stringSettingComponent
                        else
                            console.log('Unknown setting type!', modelData.constructor)
                    }
@ -180,8 +252,6 @@ Popup {
            }
        }
    }
-        }
-    }
    
    // Component.onCompleted: open()
 }
--- a/LogarithmPlotter/qml/eu/ad5001/LogarithmPlotter/Setting/ComboBoxSetting.qml
+++ b/LogarithmPlotter/qml/eu/ad5001/LogarithmPlotter/Setting/ComboBoxSetting.qml
@ -114,6 +114,7 @@ Item {
        anchors.left: iconLabel.right
        anchors.leftMargin: icon == "" ? 0 : 5
        height: 30
+        width: Math.max(85, implicitWidth)
        anchors.top: parent.top
        verticalAlignment: TextInput.AlignVCenter
        text: qsTranslate("control", "%1: ").arg(control.label)
--- a/LogarithmPlotter/qml/eu/ad5001/LogarithmPlotter/Setting/ExpressionEditor.qml
+++ b/LogarithmPlotter/qml/eu/ad5001/LogarithmPlotter/Setting/ExpressionEditor.qml
@ -80,6 +80,17 @@ Item {
       Icon path of the editor.
    */
    property string icon: ""
+    /*!
+       \qmlproperty bool ExpressionEditor::allowGraphObjects
+       If true, allows graph objects to be used as part of the expression.
+    */
+    property bool allowGraphObjects: true
+    
+    /*!
+       \qmlproperty var ExpressionEditor::errorDialog
+       Allows to summon the error dialog when using additional external parsing.
+    */
+    readonly property alias errorDialog: parsingErrorDialog
    
    /*!
       \qmlproperty string ExpressionEditor::openAndCloseMatches
@ -177,8 +188,9 @@ Item {
        id: labelItem
        anchors.left: iconLabel.right
        anchors.leftMargin: icon == "" ? 0 : 5
-        height: parent.height
        anchors.top: parent.top
+        height: parent.height
+        width: Math.max(85, implicitWidth)
        verticalAlignment: TextInput.AlignVCenter
        //color: sysPalette.windowText
        text: visible ? qsTranslate("control", "%1: ").arg(control.label) : ""
@ -380,7 +392,7 @@ Item {
                    id: objectPropertiesList
                    
                    category: qsTr("Object Properties")
-                    visbilityCondition: doesObjectExist
+                    visbilityCondition: control.allowGraphObjects && doesObjectExist
                    itemStartIndex: 0
                    itemSelected: parent.itemSelected
                    property bool isEnteringProperty: (
@ -457,7 +469,7 @@ Item {
                    id: executableObjectsList
                    
                    category: qsTr("Executable Objects")
-                    visbilityCondition: parent.currentToken.identifier && !parent.previousToken.dot
+                    visbilityCondition: control.allowGraphObjects && parent.currentToken.identifier && !parent.previousToken.dot
                    itemStartIndex: functionsList.itemStartIndex + functionsList.model.length
                    itemSelected: parent.itemSelected
                    categoryItems: Modules.Objects.getObjectsName("ExecutableObject").filter(obj => obj != self)
@ -472,7 +484,7 @@ Item {
                    id: objectsList
                    
                    category: qsTr("Objects")
-                    visbilityCondition: parent.currentToken.identifier && !parent.previousToken.dot
+                    visbilityCondition: control.allowGraphObjects && parent.currentToken.identifier && !parent.previousToken.dot
                    itemStartIndex: executableObjectsList.itemStartIndex + executableObjectsList.model.length
                    itemSelected: parent.itemSelected
                    categoryItems: Object.keys(Modules.Objects.currentObjectsByName).filter(obj => obj != self)
--- a/LogarithmPlotter/qml/eu/ad5001/LogarithmPlotter/Setting/Icon.qml
+++ b/LogarithmPlotter/qml/eu/ad5001/LogarithmPlotter/Setting/Icon.qml
@ -17,7 +17,7 @@
 */
 import QtQuick
 import QtQuick.Window
-import Qt5Compat.GraphicalEffects
+import QtQuick.Controls.impl

 /*!
    \qmltype Icon
@ -41,20 +41,16 @@ Item {
       \qmlproperty string Icon::source
       Path of the icon image source.
    */
-    property alias sourceSize: img.sourceSize.width
+    property alias sourceSize: img.sourceS
    
-    Image {
+    ColorImage {
        id: img
        height: parent.height
        width: parent.width
-        visible: false
-        sourceSize.width: width*Screen.devicePixelRatio
-        sourceSize.height: width*Screen.devicePixelRatio
-    }
-    
-    ColorOverlay {
-        anchors.fill: img
-        source: img
+        // visible: false
+        property int sourceS: width*Screen.devicePixelRatio
+        sourceSize.width: sourceS
+        sourceSize.height: sourceS
        color: parent.color
    }
 }
--- a/LogarithmPlotter/qml/eu/ad5001/LogarithmPlotter/Setting/TextSetting.qml
+++ b/LogarithmPlotter/qml/eu/ad5001/LogarithmPlotter/Setting/TextSetting.qml
@ -100,15 +100,15 @@ Item {
        id: labelItem
        anchors.left: iconLabel.right
        anchors.leftMargin: icon == "" ? 0 : 5
-        height: parent.height
        anchors.top: parent.top
+        height: parent.height
+        width: Math.max(85, implicitWidth)
        verticalAlignment: TextInput.AlignVCenter
        //color: sysPalette.windowText
        text: visible ? qsTranslate("control", "%1: ").arg(control.label) : ""
        visible: control.label != ""
    }
        
-        
    TextField {
        id: input
        anchors.top: parent.top
@ -128,8 +128,10 @@ Item {
        onEditingFinished: function() {
            if(insertButton.focus || insertPopup.focus) return
            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(control.isInt)
+                value = isNaN(parseInt(value)) ? control.min : Math.max(control.min,parseInt(value))
+            if(control.isDouble)
+                value = isNaN(parseFloat(value)) ? control.min : Math.max(control.min,parseFloat(value))
            if(value != "" && value.toString() != defValue) {
                control.changed(value)
                defValue = value.toString()
--- a/LogarithmPlotter/qml/eu/ad5001/LogarithmPlotter/Settings.qml
+++ b/LogarithmPlotter/qml/eu/ad5001/LogarithmPlotter/Settings.qml
@ -44,83 +44,83 @@ ScrollView {
       Zoom on the x axis of the diagram, provided from settings.
       \sa Settings
    */
-    property double xzoom: 100
+    property double xzoom: Helper.getSettingInt('default_graph.xzoom')
    /*!
       \qmlproperty double Settings::yzoom
       Zoom on the y axis of the diagram, provided from settings.
       \sa Settings
    */
-    property double yzoom: 10
+    property double yzoom: Helper.getSettingInt('default_graph.yzoom')
    /*!
       \qmlproperty double Settings::xmin
       Minimum x of the diagram, provided from settings.
       \sa Settings
    */
-    property double xmin: 5/10
+    property double xmin: Helper.getSettingInt('default_graph.xmin')
    /*!
       \qmlproperty double Settings::ymax
       Maximum y of the diagram, provided from settings.
       \sa Settings
    */
-    property double ymax: 25
+    property double ymax: Helper.getSettingInt('default_graph.ymax')
    /*!
       \qmlproperty string Settings::xaxisstep
       Step of the x axis graduation, provided from settings.
       \note: Only available in non-logarithmic mode.
       \sa Settings
    */
-    property string xaxisstep: "4"
+    property string xaxisstep: Helper.getSetting('default_graph.xaxisstep')
    /*!
       \qmlproperty string Settings::yaxisstep
       Step of the y axis graduation, provided from settings.
       \sa Settings
    */
-    property string yaxisstep: "4"
+    property string yaxisstep: Helper.getSetting('default_graph.yaxisstep')
    /*!
       \qmlproperty string Settings::xlabel
       Label used on the x axis, provided from settings.
       \sa Settings
    */
-    property string xlabel: ""
+    property string xlabel: Helper.getSetting('default_graph.xlabel')
    /*!
       \qmlproperty string Settings::ylabel
       Label used on the y axis, provided from settings.
       \sa Settings
    */
-    property string ylabel: ""
+    property string ylabel: Helper.getSetting('default_graph.ylabel')
    /*!
       \qmlproperty double Settings::linewidth
       Width of lines that will be drawn into the canvas, provided from settings.
       \sa Settings
    */
-    property double linewidth: 1
+    property double linewidth: Helper.getSettingInt('default_graph.linewidth')
    /*!
       \qmlproperty double Settings::textsize
       Font size of the text that will be drawn into the canvas, provided from settings.
       \sa Settings
    */
-    property double textsize: 18
+    property double textsize: Helper.getSettingInt('default_graph.textsize')
    /*!
       \qmlproperty bool Settings::logscalex
       true if the canvas should be in logarithmic mode, false otherwise.
       Provided from settings.
       \sa Settings
    */
-    property bool logscalex: true
+    property bool logscalex: Helper.getSettingBool('default_graph.logscalex')
    /*!
       \qmlproperty bool Settings::showxgrad
       true if the x graduation should be shown, false otherwise.
       Provided from settings.
       \sa Settings
    */
-    property bool showxgrad: true
+    property bool showxgrad: Helper.getSettingBool('default_graph.showxgrad')
    /*!
       \qmlproperty bool Settings::showygrad
       true if the y graduation should be shown, false otherwise.
       Provided from settings.
       \sa Settings
    */
-    property bool showygrad: true
+    property bool showygrad: Helper.getSettingBool('default_graph.showygrad')
    /*!
       \qmlproperty bool Settings::saveFilename
       Path of the currently opened file. Empty if no file is opened.
@ -159,7 +159,7 @@ ScrollView {
            height: 30
            isDouble: true
            label: qsTr("X Zoom")
-            min: 1
+            min: 0.1
            icon: "settings/xzoom.svg"
            width: settings.settingWidth
            value: settings.xzoom.toFixed(2)
@ -173,6 +173,7 @@ ScrollView {
            id: zoomY
            height: 30
            isDouble: true
+            min: 0.1
            label: qsTr("Y Zoom")
            icon: "settings/yzoom.svg"
            width: settings.settingWidth
@ -226,10 +227,10 @@ ScrollView {
            label: qsTr("Max X")
            icon: "settings/xmax.svg"
            width: settings.settingWidth
-            value: Modules.Canvas.px2x(canvas.width).toFixed(2)
+            defValue: canvas.px2x(canvas.width).toFixed(2)
            onChanged: function(xvaluemax) {
                if(xvaluemax > settings.xmin) {
-                    settings.xzoom = settings.xzoom * canvas.width/(Modules.Canvas.x2px(xvaluemax)) // Adjusting zoom to fit. = (end)/(px of current point)
+                    settings.xzoom = settings.xzoom * canvas.width/(canvas.x2px(xvaluemax)) // Adjusting zoom to fit. = (end)/(px of current point)
                    settings.changed()
                } else {
                    alert.show("Maximum x value must be superior to minimum.")
@ -245,10 +246,10 @@ ScrollView {
            label: qsTr("Min Y")
            icon: "settings/ymin.svg"
            width: settings.settingWidth
-            defValue: Modules.Canvas.px2y(canvas.height).toFixed(2)
+            defValue: canvas.px2y(canvas.height).toFixed(2)
            onChanged: function(yvaluemin) {
                if(yvaluemin < settings.ymax) {
-                    settings.yzoom = settings.yzoom * canvas.height/(Modules.Canvas.y2px(yvaluemin)) // Adjusting zoom to fit. = (end)/(px of current point)
+                    settings.yzoom = settings.yzoom * canvas.height/(canvas.y2px(yvaluemin)) // Adjusting zoom to fit. = (end)/(px of current point)
                    settings.changed()
                } else {
                    alert.show("Minimum y value must be inferior to maximum.")
--- a/LogarithmPlotter/qml/eu/ad5001/LogarithmPlotter/icons/common/text.svg
+++ b/LogarithmPlotter/qml/eu/ad5001/LogarithmPlotter/icons/common/text.svg
--- a/LogarithmPlotter/qml/eu/ad5001/LogarithmPlotter/icons/settings/label.svg
+++ b/LogarithmPlotter/qml/eu/ad5001/LogarithmPlotter/icons/settings/label.svg
@ -0,0 +1 @@
+../common/label.svg
--- a/LogarithmPlotter/qml/eu/ad5001/LogarithmPlotter/icons/settings/text.svg
+++ b/LogarithmPlotter/qml/eu/ad5001/LogarithmPlotter/icons/settings/text.svg
@ -0,0 +1 @@
+../common/text.svg
--- a/LogarithmPlotter/qml/eu/ad5001/LogarithmPlotter/js/autoload.js
+++ b/LogarithmPlotter/qml/eu/ad5001/LogarithmPlotter/js/autoload.js
@ -7,4 +7,4 @@
 .import "history/common.mjs" as HistoryCommon
 .import "canvas.mjs" as CanvasAPI
 .import "io.mjs" as IOAPI
-.import "settings.mjs" as SettingsAPI
+.import "preferences.mjs" as PreferencesAPI
--- a/LogarithmPlotter/qml/eu/ad5001/LogarithmPlotter/js/canvas.mjs
+++ b/LogarithmPlotter/qml/eu/ad5001/LogarithmPlotter/js/canvas.mjs
@ -377,10 +377,7 @@ class CanvasAPI extends Module {
     * @returns {number}
     */
    x2px(x) {
-        if(this.logscalex) {
-            let logxmin = Math.log(this.xmin)
-            return (Math.log(x)-logxmin)*this.xzoom
-        } else return (x - this.xmin)*this.xzoom
+        return this._canvas.x2px(x)
    }

    /**
@ -390,7 +387,7 @@ class CanvasAPI extends Module {
     * @returns {number}
     */
    y2px(y) {
-        return (this.ymax-y)*this.yzoom
+        return this._canvas.y2px(y)
    }

    /**
@ -400,9 +397,7 @@ class CanvasAPI extends Module {
     * @returns {number}
     */
    px2x(px) {
-        if(this.logscalex) {
-            return Math.exp(px/this.xzoom+Math.log(this.xmin))
-        } else return (px/this.xzoom+this.xmin)
+        return this._canvas.px2x(px)
    }

    /**
@ -412,7 +407,7 @@ class CanvasAPI extends Module {
     * @returns {number}
     */
    px2y(px) {
-        return -(px/this.yzoom-this.ymax)
+        return this._canvas.px2y(px)
    }

    /**
--- a/LogarithmPlotter/qml/eu/ad5001/LogarithmPlotter/js/preferences.mjs
+++ b/LogarithmPlotter/qml/eu/ad5001/LogarithmPlotter/js/preferences.mjs
@ -16,12 +16,13 @@
 *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */
 import {Module} from "modules.mjs"
-import General from "setting/general.mjs"
-import Editor from "setting/expression.mjs"
+import General from "preferences/general.mjs"
+import Editor from "preferences/expression.mjs"
+import DefaultGraph from "preferences/default.mjs"

-class SettingsAPI extends Module {
+class PreferencesAPI extends Module {
    constructor() {
-        super('Settings', [
+        super('Preferences', [
            Modules.Canvas,
            Modules.Latex
        ])
@ -29,11 +30,11 @@ class SettingsAPI extends Module {
        this.categories = {
            [QT_TRANSLATE_NOOP('settingCategory', 'general')]: General,
            [QT_TRANSLATE_NOOP('settingCategory', 'editor')]: Editor,
-            [QT_TRANSLATE_NOOP('settingCategory', 'default')]: [],
+            [QT_TRANSLATE_NOOP('settingCategory', 'default')]: DefaultGraph,
        }
    }
 }

 /** @type {CanvasAPI} */
-Modules.Settings = Modules.Settings || new SettingsAPI()
-export const API = Modules.Settings
+Modules.Preferences = Modules.Preferences || new PreferencesAPI()
+export const API = Modules.Preferences
--- a/LogarithmPlotter/qml/eu/ad5001/LogarithmPlotter/js/preferences/common.mjs
+++ b/LogarithmPlotter/qml/eu/ad5001/LogarithmPlotter/js/preferences/common.mjs
@ -0,0 +1,137 @@
+/**
+ *  LogarithmPlotter - 2D plotter software to make BODE plots, sequences and distribution functions.
+ *  Copyright (C) 2021-2024  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 {Expression} from "../mathlib.mjs"
+
+class Setting {
+    constructor(type, name, nameInConfig, icon) {
+        this.type = type
+        this.name = name
+        this.displayName = qsTr(name)
+        this.nameInConfig = nameInConfig
+        this.icon = icon
+    }
+
+    /**
+     * Returns the value of the setting.
+     * @returns {string|boolean|number}
+     */
+    value() {
+        throw new TypeError(`value of ${this.constructor} not implemented.`)
+    }
+
+    /**
+     * Sets the value of the setting
+     * @param {string|boolean|number|Expression} value
+     */
+    set(value) {
+        throw new TypeError(`value of ${this.constructor} not implemented.`)
+    }
+
+    toString() {
+        return `Setting<${this.type} ${this.name}>`
+    }
+}
+
+export class BoolSetting extends Setting {
+    constructor(name, nameInConfig, icon) {
+        super('bool', name, nameInConfig, icon)
+    }
+
+    value() {
+        return Helper.getSettingBool(this.nameInConfig)
+    }
+
+    set(value) {
+        Helper.setSettingBool(this.nameInConfig, value)
+    }
+}
+
+export class NumberSetting extends Setting {
+    constructor(name, nameInConfig, icon, min = -Infinity, max = +Infinity) {
+        super('number', name, nameInConfig, icon)
+        this.min = typeof min == 'number' ? () => min : min
+        this.max = typeof max == 'number' ? () => max : max
+    }
+
+    value() {
+        return Helper.getSettingInt(this.nameInConfig)
+    }
+
+    set(value) {
+        Helper.setSettingInt(this.nameInConfig, value)
+    }
+}
+
+export class EnumIntSetting extends Setting {
+    constructor(name, nameInConfig, icon, values = []) {
+        super('enum', name, nameInConfig, icon)
+        this.values = values
+    }
+
+    value() {
+        return Helper.getSettingInt(this.nameInConfig)
+    }
+
+    set(value) {
+        Helper.setSettingInt(this.nameInConfig, value)
+    }
+}
+
+export class ExpressionSetting extends Setting {
+    constructor(name, nameInConfig, icon, variables = []) {
+        super('expression', name, nameInConfig, icon)
+        this.variables = variables
+    }
+
+    value() {
+        return Helper.getSetting(this.nameInConfig)
+    }
+
+    /**
+     *
+     * @param {Expression} value
+     */
+    set(value) {
+        let vars = value.calc.variables()
+        if(vars.length === this.variables.length && vars.every(x => this.variables.includes(x)))
+            Helper.setSetting(this.nameInConfig, value)
+        else {
+            let undefinedVars = vars.filter(x => !this.variables.includes(x))
+            let allowed = ''
+            if(this.variables.length > 0)
+                allowed = `Allowed variables: ${this.variables.join(', ')}.`
+            throw new TypeError(`Cannot use variable(s) ${undefinedVars.join(', or ')} to define ${this.displayName}. ${allowed}`)
+        }
+    }
+}
+
+export class StringSetting extends Setting {
+    constructor(name, nameInConfig, icon, defaultValues = []) {
+        super('string', name, nameInConfig, icon)
+        this.defaultValues = defaultValues
+    }
+
+    value() {
+        return Helper.getSetting(this.nameInConfig)
+    }
+
+    set(value) {
+        Helper.setSetting(this.nameInConfig, value)
+    }
+}
--- a/LogarithmPlotter/qml/eu/ad5001/LogarithmPlotter/js/preferences/default.mjs
+++ b/LogarithmPlotter/qml/eu/ad5001/LogarithmPlotter/js/preferences/default.mjs
@ -0,0 +1,120 @@
+/**
+ *  LogarithmPlotter - 2D plotter software to make BODE plots, sequences and distribution functions.
+ *  Copyright (C) 2021-2024  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 {BoolSetting, ExpressionSetting, NumberSetting, StringSetting} from "common.mjs"
+
+
+const XZOOM = new NumberSetting(
+    QT_TR_NOOP("X Zoom"),
+    "default_graph.xzoom",
+    "xzoom",
+    0.1
+)
+
+const YZOOM = new NumberSetting(
+    QT_TR_NOOP("Y Zoom"),
+    "default_graph.xzoom",
+    "yzoom",
+    0.1
+)
+
+const XMIN = new NumberSetting(
+    QT_TR_NOOP("Min X"),
+    "default_graph.xmin",
+    "xmin",
+    () => Helper.getSettingBool("default_graph.logscalex") ? 1e-100 : -Infinity
+)
+
+const YMAX = new NumberSetting(
+    QT_TR_NOOP("Max Y"),
+    "default_graph.ymax",
+    "ymax"
+)
+
+const XAXISSTEP = new ExpressionSetting(
+    QT_TR_NOOP("X Axis Step"),
+    "default_graph.xaxisstep",
+    "xaxisstep",
+)
+
+const YAXISSTEP = new ExpressionSetting(
+    QT_TR_NOOP("Y Axis Step"),
+    "default_graph.yaxisstep",
+    "yaxisstep",
+)
+
+const LINE_WIDTH = new NumberSetting(
+    QT_TR_NOOP("Line width"),
+    "default_graph.linewidth",
+    "linewidth",
+    1
+)
+
+const TEXT_SIZE = new NumberSetting(
+    QT_TR_NOOP("Text size (px)"),
+    "default_graph.textsize",
+    "textsize"
+)
+
+const X_LABEL = new StringSetting(
+    QT_TR_NOOP('X Label'),
+    "default_graph.xlabel",
+    "xlabel",
+    ["", "x", "ω (rad/s)"]
+)
+
+const Y_LABEL = new StringSetting(
+    QT_TR_NOOP('Y Label'),
+    "default_graph.ylabel",
+    "xlabel",
+    ["", "y", "G (dB)", "φ (°)", "φ (deg)", "φ (rad)"]
+)
+
+const LOG_SCALE_X = new BoolSetting(
+    QT_TR_NOOP('X Log scale'),
+    "default_graph.logscalex",
+    "logscalex"
+)
+
+const SHOW_X_GRAD = new BoolSetting(
+    QT_TR_NOOP('Show X graduation'),
+    "default_graph.showxgrad",
+    "showxgrad"
+)
+
+const SHOW_Y_GRAD = new BoolSetting(
+    QT_TR_NOOP('Show Y graduation'),
+    "default_graph.showygrad",
+    "showygrad"
+)
+
+export default [
+    XZOOM,
+    YZOOM,
+    XMIN,
+    YMAX,
+    XAXISSTEP,
+    YAXISSTEP,
+    LINE_WIDTH,
+    TEXT_SIZE,
+    X_LABEL,
+    Y_LABEL,
+    LOG_SCALE_X,
+    SHOW_X_GRAD,
+    SHOW_Y_GRAD
+]
--- a/LogarithmPlotter/qml/eu/ad5001/LogarithmPlotter/js/preferences/expression.mjs
+++ b/LogarithmPlotter/qml/eu/ad5001/LogarithmPlotter/js/preferences/expression.mjs
@ -0,0 +1,51 @@
+/**
+ *  LogarithmPlotter - 2D plotter software to make BODE plots, sequences and distribution functions.
+ *  Copyright (C) 2021-2024  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 {BoolSetting, EnumIntSetting} from "common.mjs"
+
+const AUTOCLOSE_FORMULA = new BoolSetting(
+    QT_TR_NOOP("Automatically close parenthesises and brackets"),
+    'expression_editor.autoclose',
+    'text'
+)
+
+const ENABLE_SYNTAX_HIGHLIGHTING = new BoolSetting(
+    QT_TR_NOOP("Enable syntax highlighting"),
+    'expression_editor.colorize',
+    'appearance'
+)
+
+const ENABLE_AUTOCOMPLETE = new BoolSetting(
+    QT_TR_NOOP("Enable autocompletion"),
+    'autocompletion.enabled',
+    'label'
+)
+
+const PICK_COLOR_SCHEME = new EnumIntSetting(
+    QT_TR_NOOP("Color Scheme"),
+    'expression_editor.color_scheme',
+    'color',
+    ["Breeze Light", "Breeze Dark", "Solarized", "Github Light", "Github Dark", "Nord", "Monokai"]
+)
+
+export default [
+    AUTOCLOSE_FORMULA,
+    ENABLE_AUTOCOMPLETE,
+    ENABLE_SYNTAX_HIGHLIGHTING,
+    PICK_COLOR_SCHEME
+]
--- a/LogarithmPlotter/qml/eu/ad5001/LogarithmPlotter/js/preferences/general.mjs
+++ b/LogarithmPlotter/qml/eu/ad5001/LogarithmPlotter/js/preferences/general.mjs
@ -18,17 +18,17 @@

 import {BoolSetting} from "common.mjs"

-class CheckForUpdates extends BoolSetting {
-    constructor() {
-        super(QT_TR_NOOP("Check for updates on startup"), 'check_for_updates', 'update')
-    }
-}
+const CHECK_FOR_UPDATES = new BoolSetting(
+    QT_TR_NOOP("Check for updates on startup"),
+    'check_for_updates',
+    'update'
+)

-class ResetRedoStack extends BoolSetting {
-    constructor() {
-        super(qsTr("Reset redo stack automaticly"), 'reset_redo_stack', 'timeline')
-    }
-}
+const RESET_REDO_STACK = new BoolSetting(
+    QT_TR_NOOP("Reset redo stack automaticly"),
+    'reset_redo_stack',
+    'timeline'
+)

 class EnableLatex extends BoolSetting {
    constructor() {
@ -43,7 +43,7 @@ class EnableLatex extends BoolSetting {
 }

 export default [
-    new CheckForUpdates(),
-    new ResetRedoStack(),
+    CHECK_FOR_UPDATES,
+    RESET_REDO_STACK,
    new EnableLatex()
 ]
--- a/LogarithmPlotter/qml/eu/ad5001/LogarithmPlotter/js/setting/common.mjs
+++ b/LogarithmPlotter/qml/eu/ad5001/LogarithmPlotter/js/setting/common.mjs
@ -1,67 +0,0 @@
-/**
- *  LogarithmPlotter - 2D plotter software to make BODE plots, sequences and distribution functions.
- *  Copyright (C) 2021-2024  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 Setting {
-    constructor(name, nameInConfig, icon) {
-        this.name = name
-        this.displayName = qsTr(name)
-        this.nameInConfig = nameInConfig
-        this.icon = icon
-    }
-
-    /**
-     * Returns the value of the setting.
-     * @returns {string|boolean|number}
-     */
-    value() {
-        throw new TypeError(`value of ${this.constructor} not implemented.`)
-    }
-
-    /**
-     * Sets the value of the setting
-     * @param {string|boolean|number} value
-     */
-    set(value) {
-        throw new TypeError(`value of ${this.constructor} not implemented.`)
-    }
-}
-
-export class BoolSetting extends Setting {
-    value() {
-        return Helper.getSettingBool(this.nameInConfig)
-    }
-
-    set(value) {
-        Helper.setSettingBool(this.nameInConfig, value)
-    }
-}
-
-export class IntSetting extends Setting {
-    value() {
-        return Helper.getSettingInt(this.nameInConfig)
-    }
-
-    set(value) {
-        Helper.setSettingInt(this.nameInConfig, value)
-    }
-}
-
-export class EnumIntSetting extends IntSetting {
-    values() {
-        throw new TypeError(`enumerations of ${this.constructor} not implemented.`)
-    }
-}
--- a/LogarithmPlotter/qml/eu/ad5001/LogarithmPlotter/js/setting/expression.mjs
+++ b/LogarithmPlotter/qml/eu/ad5001/LogarithmPlotter/js/setting/expression.mjs
@ -1,54 +0,0 @@
-/**
- *  LogarithmPlotter - 2D plotter software to make BODE plots, sequences and distribution functions.
- *  Copyright (C) 2021-2024  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 {BoolSetting, EnumIntSetting} from "common.mjs"
-
-class AutocloseFormula extends BoolSetting {
-    constructor() {
-        super(qsTr("Automatically close parenthesises and brackets"), 'expression_editor.autoclose', 'Text')
-    }
-}
-
-class EnableSyntaxHighlighting extends BoolSetting {
-    constructor() {
-        super(qsTr("Enable syntax highlighting"), 'expression_editor.colorize', 'appearance')
-    }
-}
-
-class EnableAutocomplete extends BoolSetting {
-    constructor() {
-        super(qsTr("Enable autocompletion"), 'autocompletion.enabled', 'label')
-    }
-}
-
-class PickColorScheme extends EnumIntSetting {
-    constructor() {
-        super(qsTr("Color Scheme"), 'expression_editor.color_scheme', 'color')
-    }
-
-    values() {
-        return ["Breeze Light", "Breeze Dark", "Solarized", "Github Light", "Github Dark", "Nord", "Monokai"]
-    }
-}
-
-export default [
-    new AutocloseFormula(),
-    new EnableAutocomplete(),
-    new EnableSyntaxHighlighting(),
-    new PickColorScheme()
-]
--- a/LogarithmPlotter/util/config.py
+++ b/LogarithmPlotter/util/config.py
@ -34,6 +34,21 @@ DEFAULT_SETTINGS = {
    },
    "autocompletion": {
        "enabled": True
+    },
+    "default_graph": {
+        "xzoom": 100,
+        "yzoom": 10,
+        "xmin": 5/10,
+        "ymax": 25,
+        "xaxisstep": "4",
+        "yaxisstep": "4",
+        "xlabel": "",
+        "ylabel": "",
+        "linewidth": 1,
+        "textsize": 18,
+        "logscalex": True,
+        "showxgrad": True,
+        "showygrad": True
    }
 }

--- a/LogarithmPlotter/util/helper.py
+++ b/LogarithmPlotter/util/helper.py
@ -129,8 +129,9 @@ class Helper(QObject):
    def getSetting(self, namespace):
        return config.getSetting(namespace)

-    @Slot(str, result=int)
+    @Slot(str, result=float)
    def getSettingInt(self, namespace):
+        print('Getting', namespace, config.getSetting(namespace))
        return config.getSetting(namespace)

    @Slot(str, result=bool)
@ -145,7 +146,7 @@ class Helper(QObject):
    def setSettingBool(self, namespace, value):
        return config.setSetting(namespace, value)

-    @Slot(str, int)
+    @Slot(str, float)
    def setSettingInt(self, namespace, value):
        return config.setSetting(namespace, value)