fix: don't save window_x/y anymore

As per GNOME HIG, let the DE position the window, but continue to store
the window width and height

Author: MightyCreak

src/diffuse/window.py

@@ -682,24 +682,18 @@ def __init__(self, rc_dir, **kwargs):
         # number of created viewers (used to label some tabs)
         self.viewer_count = 0
 
-        # get monitor resolution
-        monitor_geometry = Gdk.Display.get_default().get_monitor(0).get_geometry()
-
         # state information that should persist across sessions
         self.bool_state = {
             'window_maximized': False,
             'search_matchcase': False,
             'search_backwards': False
         }
-        self.int_state = {'window_width': 1024, 'window_height': 768}
-        self.int_state['window_x'] = max(
-            0,
-            (monitor_geometry.width - self.int_state['window_width']) / 2
-        )
-        self.int_state['window_y'] = max(
-            0,
-            (monitor_geometry.height - self.int_state['window_height']) / 2
-        )
+        self.int_state = {
+            'window_width': 1024,
+            'window_height': 768,
+        }
+
+        # window state signals
         self.connect('configure-event', self.configure_cb)
         self.connect('window-state-event', self.window_state_cb)
 
@@ -989,15 +983,13 @@ def configure_cb(self, widget: Gtk.Widget, event: Gdk.EventConfigure) -> None:
         # read the state directly instead of using window_maximized as the order
         # of configure/window_state events is undefined
         if (widget.get_window().get_state() & Gdk.WindowState.MAXIMIZED) == 0:
-            self.int_state['window_x'], self.int_state['window_y'] = widget.get_window().get_root_origin()  # noqa: E501
             self.int_state['window_width'] = event.width
             self.int_state['window_height'] = event.height
 
     # record the window's maximized state
-    def window_state_cb(self, window, event):
-        self.bool_state['window_maximized'] = (
-            (event.new_window_state & Gdk.WindowState.MAXIMIZED) != 0
-        )
+    def window_state_cb(self, widget: Gtk.Widget, event: Gdk.EventWindowState) -> None:
+        is_maximized = (event.new_window_state & Gdk.WindowState.MAXIMIZED) != 0
+        self.bool_state['window_maximized'] = is_maximized
 
     # load state information that should persist across sessions
     def load_state(self, statepath: str) -> None:
@@ -1006,16 +998,22 @@ def load_state(self, statepath: str) -> None:
                 f = open(statepath, 'r')
                 ss = utils.readlines(f)
                 f.close()
+
                 for j, s in enumerate(ss):
                     try:
                         a = shlex.split(s, True)
-                        if len(a) > 0:
-                            if len(a) == 2 and a[0] in self.bool_state:
-                                self.bool_state[a[0]] = (a[1] == 'True')
-                            elif len(a) == 2 and a[0] in self.int_state:
-                                self.int_state[a[0]] = int(a[1])
-                            else:
-                                raise ValueError()
+                        if len(a) == 0:
+                            continue
+                        if len(a) != 2:
+                            raise ValueError()
+
+                        (key, value) = a
+                        if key in self.bool_state:
+                            self.bool_state[key] = (value == 'True')
+                        elif key in self.int_state:
+                            self.int_state[key] = int(value)
+                        else:
+                            raise ValueError()
                     except ValueError:
                         # this may happen if the state was written by a
                         # different version -- don't bother the user
@@ -1024,7 +1022,6 @@ def load_state(self, statepath: str) -> None:
                 # bad $HOME value? -- don't bother the user
                 utils.logDebug(f'Error reading {statepath}.')
 
-        self.move(self.int_state['window_x'], self.int_state['window_y'])
         self.resize(self.int_state['window_width'], self.int_state['window_height'])
         if self.bool_state['window_maximized']:
             self.maximize()
@@ -1038,6 +1035,7 @@ def save_state(self, statepath: str) -> None:
             for k, v in self.int_state.items():
                 ss.append(f'{k} {v}\n')
             ss.sort()
+
             f = open(statepath, 'w')
             f.write(f'# This state file was generated by {constants.APP_NAME} {constants.VERSION}.\n\n')  # noqa: E501
             for s in ss: