LogarithmPlotter/logarithmplotter.py

@@ -20,15 +20,18 @@ from time import time
 
 start_time = time()
 
-from PySide2.QtWidgets import QApplication
-from PySide2.QtQml import QQmlApplicationEngine
-from PySide2.QtCore import QTranslator, QLocale
-from PySide2.QtGui import QIcon
+from PySide2.QtWidgets import QApplication, QFileDialog
+from PySide2.QtQml import QQmlApplicationEngine, qmlRegisterType
+from PySide2.QtCore import Qt, QObject, Signal, Slot, Property, QTranslator, QLocale, QCoreApplication
+from PySide2.QtGui import QIcon, QImage, QKeySequence
+from PySide2 import __version__ as PySide2_version
 
 from tempfile import mkstemp
 from os import getcwd, chdir, environ, path, remove, close
 from platform import release as os_release
+from json import dumps, loads
 from sys import platform, argv, version as sys_version, exit
+from webbrowser import open as openWeb
 
 # Create the temporary file for saving copied screenshots
 fd, tmpfile = mkstemp(suffix='.png')
@@ -43,7 +46,6 @@ if path.realpath(path.join(getcwd(), "..")) not in sys_path:
 
 from LogarithmPlotter import config, native, __VERSION__
 from LogarithmPlotter.update import check_for_updates
-from LogarithmPlotter.helper import Helper
 
 config.init()
 
@@ -59,6 +61,94 @@ def get_linux_theme():
     else:
         # Android
         return "Material"
+
+class Helper(QObject):
+    
+    def __init__(self, engine: QQmlApplicationEngine):
+        QObject.__init__(self)
+        self.engine = engine;
+
+    @Slot(str, str)
+    def write(self, filename, filedata):
+        chdir(pwd)
+        if path.exists(path.dirname(path.realpath(filename))):
+            if filename.split(".")[-1] == "lpf":
+                # Add header to file
+                filedata = "LPFv1" + filedata
+            f = open(path.realpath(filename), 'w',  -1, 'utf8')
+            f.write(filedata)
+            f.close()
+        chdir(path.dirname(path.realpath(__file__)))
+        
+    @Slot(str, result=str)
+    def load(self, filename):
+        chdir(pwd)
+        data = '{}'
+        from PySide2.QtWidgets import QMessageBox
+        if path.exists(path.realpath(filename)):
+            f = open(path.realpath(filename), 'r',  -1, 'utf8')
+            data = f.read()
+            f.close()
+            try:
+                if data[:5] == "LPFv1":
+                    # V1 version of the file
+                    data = data[5:]
+                elif data[0] == "{" and "type" in loads(data) and loads(data)["type"] == "logplotv1":
+                    pass
+                else:
+                    raise Exception("Invalid LogarithmPlotter file.")
+            except Exception as e: # If file can't be loaded
+                QMessageBox.warning(None, 'LogarithmPlotter', QCoreApplication.translate('main','Could not open file "{}":\n{}').format(filename, e), QMessageBox.Ok) # Cannot parse file
+        else:
+            QMessageBox.warning(None, 'LogarithmPlotter', QCoreApplication.translate('main','Could not open file: "{}"\nFile does not exist.').format(filename), QMessageBox.Ok) # Cannot parse file
+        chdir(path.dirname(path.realpath(__file__)))
+        return data
+    
+    @Slot(result=str)
+    def gettmpfile(self):
+        global tmpfile
+        return tmpfile
+    
+    @Slot()
+    def copyImageToClipboard(self):
+        global tmpfile
+        clipboard = QApplication.clipboard()
+        clipboard.setImage(QImage(tmpfile))
+    
+    @Slot(result=str)
+    def getVersion(self):
+        return __VERSION__
+    
+    @Slot(str, result=str)
+    def getSetting(self, namespace):
+        return config.getSetting(namespace)
+    
+    @Slot(str, result=bool)
+    def getSettingBool(self, namespace):
+        return config.getSetting(namespace)
+    
+    @Slot(str, str)
+    def setSetting(self, namespace, value):
+        return config.setSetting(namespace, value)
+    
+    @Slot(str, bool)
+    def setSettingBool(self, namespace, value):
+        return config.setSetting(namespace, value)
+    
+    @Slot(str)
+    def setLanguage(self, new_lang):
+        config.setSetting("language", new_lang)
+    
+    @Slot(result=str)
+    def getDebugInfos(self):
+        """
+        Returns the version info about Qt, PySide2 & Python
+        """
+        return QCoreApplication.translate('main',"Built with PySide2 (Qt) v{} and python v{}").format(PySide2_version, sys_version.split("\n")[0])
+    
+    @Slot(str)
+    def openUrl(self, url):
+        openWeb(url)
         
 def run():
     
@@ -99,8 +189,7 @@ def run():
         app.installEventFilter(macOSFileOpenHandler)
     
     engine = QQmlApplicationEngine()
-    global tmpfile
-    helper = Helper(pwd, tmpfile)
+    helper = Helper(engine)
     engine.rootContext().setContextProperty("Helper", helper)
     engine.rootContext().setContextProperty("TestBuild", "--test-build" in argv)
     engine.rootContext().setContextProperty("StartTime", dep_time)
@@ -116,7 +205,6 @@ def run():
         print(path.realpath(path.join(getcwd(), "qml", "eu", "ad5001", "LogarithmPlotter", "LogarithmPlotter.qml")))
         exit(-1)
 
-    # Open the current diagram
     chdir(pwd)
     if len(argv) > 0 and path.exists(argv[-1]) and argv[-1].split('.')[-1] in ['lpf']:
         engine.rootObjects()[0].loadDiagram(argv[-1])

LogarithmPlotter/qml/eu/ad5001/LogarithmPlotter/Popup/GreetScreen.qml

@@ -1,3 +1,4 @@
+
 /**
  *  LogarithmPlotter - 2D plotter software to make BODE plots, sequences and repartition functions.
  *  Copyright (C) 2022  Ad5001

LogarithmPlotter/qml/eu/ad5001/LogarithmPlotter/js/objs/point.js

@@ -84,11 +84,9 @@ class Point extends Common.DrawableObject  {
         ctx.font = `${canvas.textsize}px sans-serif`
         var textSize = ctx.measureText(text).width
         switch(this.labelPosition) {
-            case 'top':
             case 'above':
                 canvas.drawVisibleText(ctx, text, canvasX-textSize/2, canvasY-16)
                 break;
-            case 'bottom':
             case 'below':
                 canvas.drawVisibleText(ctx, text, canvasX-textSize/2, canvasY+16)
                 break;
@@ -98,19 +96,15 @@ class Point extends Common.DrawableObject  {
             case 'right':
                 canvas.drawVisibleText(ctx, text, canvasX+10, canvasY+4)
                 break;
-            case 'top-left':
             case 'above-left':
                 canvas.drawVisibleText(ctx, text, canvasX-textSize-10, canvasY-16)
                 break;
-            case 'top-right':
             case 'above-right':
                 canvas.drawVisibleText(ctx, text, canvasX+10, canvasY-16)
                 break;
-            case 'bottom-left':
             case 'below-left':
                 canvas.drawVisibleText(ctx, text, canvasX-textSize-10, canvasY+16)
                 break;
-            case 'bottom-right':
             case 'below-right':
                 canvas.drawVisibleText(ctx, text, canvasX+10, canvasY+16)
                 break;

LogarithmPlotter/qml/eu/ad5001/LogarithmPlotter/js/objs/text.js

@@ -69,11 +69,9 @@ class Text extends Common.DrawableObject  {
             case 'center':
                 canvas.drawVisibleText(ctx, this.text, canvasX-textSize/2, canvasY+4)
                 break;
-            case 'top':
             case 'above':
                 canvas.drawVisibleText(ctx, this.text, canvasX-textSize/2, canvasY-16)
                 break;
-            case 'bottom':
             case 'below':
                 canvas.drawVisibleText(ctx, this.text, canvasX-textSize/2, canvasY+16)
                 break;
@@ -83,19 +81,15 @@ class Text extends Common.DrawableObject  {
             case 'right':
                 canvas.drawVisibleText(ctx, this.text, canvasX+5, canvasY+4)
                 break;
-            case 'top-left':
             case 'above-left':
                 canvas.drawVisibleText(ctx, this.text, canvasX-textSize-5, canvasY-16)
                 break;
-            case 'top-right':
             case 'above-right':
                 canvas.drawVisibleText(ctx, this.text, canvasX+5, canvasY-16)
                 break;
-            case 'bottom-left':
             case 'below-left':
                 canvas.drawVisibleText(ctx, this.text, canvasX-textSize-5, canvasY+16)
                 break;
-            case 'bottom-right':
             case 'below-right':
                 canvas.drawVisibleText(ctx, this.text, canvasX+5, canvasY+16)
                 break;

LogarithmPlotter/update.py

@@ -16,7 +16,7 @@
  *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
 """
 
-from PySide2.QtCore import QRunnable, QThreadPool, QThread, QObject, Signal, QCoreApplication
+from PySide2.QtCore import Qt, QRunnable, QThreadPool, QThread, QObject, Signal, QCoreApplication
 from urllib.request import urlopen
 from urllib.error import HTTPError, URLError
 from sys import argv