- in Preferences, added a control in the General -> GUI Settings to control the font size for the entire application; require an app restart

CHANGELOG.md

@@ -12,6 +12,7 @@ CHANGELOG for FlatCAM Evo beta
 - updated the FCButton and FCLabel custom widgets
 - Paint Plugin: fixed issues caused by the latest changes in the Shapely module
 - NCC Plugin: some changes in the method used by the Tcl Command
+- in Preferences, added a control in the General -> GUI Settings to control the font size for the entire application; require an app restart
 
 31.05.2023
 

appGUI/preferences/general/GeneralGUIPrefGroupUI.py

@@ -3,8 +3,9 @@ from PyQt6 import QtWidgets, QtCore, QtGui
 from PyQt6.QtCore import QSettings
 
 from appGUI.GUIElements import RadioSet, FCCheckBox, FCComboBox, FCSliderWithSpinner, FCColorEntry, FCLabel, \
-    GLay, FCFrame, FCComboBox2
+    GLay, FCFrame, FCComboBox2, FCButton, FCSpinner
 from appGUI.preferences.OptionsGroupUI import OptionsGroupUI
+from appTranslation import restart_program
 
 import gettext
 import appTranslation as fcTranslate
@@ -159,6 +160,24 @@ class GeneralGUIPrefGroupUI(OptionsGroupUI):
         grid0.addWidget(self.ui_lay_lbl, 14, 0)
         grid0.addWidget(self.gui_lay_combo, 14, 1, 1, 2)
 
+        # Font Size
+        self.font_size_lbl = FCLabel('%s:' % _("Font Size"))
+        self.font_size_lbl.setToolTip(
+            _("Setting the Font Size for the entire application.")
+        )
+        self.app_font_size_entry = FCSpinner()
+        self.app_font_size_entry.set_range(9, 18)
+
+        grid0.addWidget(self.font_size_lbl, 16, 0)
+        grid0.addWidget(self.app_font_size_entry, 16, 1)
+
+        # Apply UI parameters
+        self.apply_app_font_size_btn = FCButton(_("Apply and Restart"), bold=True)
+        self.apply_app_font_size_btn.setToolTip(
+            _("Setting the Font Size for the entire application.")
+        )
+        grid0.addWidget(self.apply_app_font_size_btn, 18, 0, 1, 2)
+
         # #############################################################################################################
         # Grid1 Frame
         # #############################################################################################################
@@ -391,6 +410,24 @@ class GeneralGUIPrefGroupUI(OptionsGroupUI):
 
         self.layout_combo.activated.connect(self.app.on_layout)
 
+        self.apply_app_font_size_btn.clicked.connect(
+            lambda: self.handle_font_size(self.app, self.app_font_size_entry.get_value()))
+
+        # Set UI
+        qsettings = QSettings("Open Source", "FlatCAM_EVO")
+        if qsettings.contains("font_size"):
+            font_size = int(qsettings.value("font_size", type=str))  # noqa
+            self.app_font_size_entry.set_value(font_size)
+
+    @staticmethod
+    def handle_font_size(app, val):
+        settings = QSettings("Open Source", "FlatCAM_EVO")
+        settings.setValue('font_size', str(val))
+        # This will write the setting to the platform specific storage.
+        del settings
+
+        restart_program(app=app)
+
     @staticmethod
     def handle_style(style):
         # set current style

appTranslation.py

@@ -5,7 +5,8 @@
 # MIT Licence                                              #
 # ##########################################################
 
-import os, ctypes
+import os
+import ctypes
 import sys
 import logging
 from pathlib import Path
@@ -152,8 +153,7 @@ def apply_language(domain, lang=None):
             # This will write the setting to the platform specific storage.
             del settings
     else:
-        # TODO if lang is None we make a string from it?
-        name = str(lang)
+        name = str(lang)    # we make it a string: "None"
 
     for lang_code, lang_usable in load_languages().items():
         if lang_usable == name:
@@ -239,10 +239,10 @@ def restart_program(app, ask=None):
     try:
         python = sys.executable
         os.execl(python, python, *sys.argv)
-    except Exception as err:
+    except Exception:
         # app_run_as_admin = isAdmin()
         msgbox = FCMessageBox(parent=app.ui)
-        title = _("The language will be applied at the next application start.")
+        title = _("The setting will be applied at the next application start.")
         txt = _("The user does not have admin rights or UAC issues.")
         msgbox.setWindowTitle('%s ...' % _("Quit"))  # taskbar still shows it
         msgbox.setWindowIcon(QtGui.QIcon(resource_loc + '/app128.png'))
@@ -256,7 +256,7 @@ def restart_program(app, ask=None):
         msgbox.exec()
 
 
-# TODO Due of some circular imports issues which I currently can't fix I readd this class here
+# TODO Due of some circular imports issues which I currently can't fix I re-add this class here
 #  (mainly is located in appGUI.GUIElements) - required for a consistent look
 class FCMessageBox(QtWidgets.QMessageBox):
     """

flatcam.py

@@ -167,6 +167,12 @@ if __name__ == '__main__':
     else:
         app.setStyle('windowsvista')
 
+    if settings.contains("font_size"):
+        font_size = int(settings.value("font_size", type=str))      # noqa
+        font = QtGui.QFont()
+        font.setPointSize(font_size)
+        app.setFont(font)
+
     fc = App(qapp=app)
 
     # interrupt the Qt loop such that Python events have a chance to be responsive