Validate size config values to avoid crashes

Author: Fayvel Victor

src/m64py/frontend/mainwindow.py

@@ -110,7 +110,7 @@ def resizeEvent(self, event):
 
     def showEvent(self, event):
         if not self.widgets_height:
-            width, height = self.settings.qset.value("size", SIZE_1X)
+            width, height = self.settings.get_size_safe()
             menubar_height = self.menubar.size().height()
             statusbar_height = self.statusbar.size().height()
             self.widgets_height = menubar_height + statusbar_height

src/m64py/frontend/settings.py

@@ -139,7 +139,7 @@ def browse_dialog(self, args):
                     self.core = self.parent.worker.core
                     self.set_core()
                     self.set_video()
-                    size = self.qset.value("size", SIZE_1X)
+                    size = self.get_size_safe()
                     self.parent.window_size_triggered(size)
                     self.parent.state_changed.emit((True, False, False, False))
         elif widget == self.pathPlugins:
@@ -201,6 +201,18 @@ def get_int_safe(self, key, default):
         except ValueError:
             return default
 
+    def get_size_safe(self):
+        size = self.qset.value("size", SIZE_1X)
+        if not type(size) == tuple:
+            size = SIZE_1X
+        if len(size) != 2:
+            size = SIZE_1X
+        if type(size[0]) != int or type(size[1]) != int:
+            size = SIZE_1X
+        if size[0] <= 0 or size[1] <= 0:
+            size = SIZE_1X
+        return size
+
     def set_video(self):
         self.comboResolution.clear()
         for mode in MODES: