app v1

core/app.py

@@ -1,4 +1,7 @@
 # v3.1.0 app.py
+import atexit
+import signal
+import traceback
 import contextlib
 import json
 import logging
@@ -33,6 +36,7 @@ from PyQt6.QtGui import (
 )
 
 from PyQt6.QtWidgets import (
+    QApplication,
     QFrame,
     QMenu,
     QSizeGrip,
@@ -137,6 +141,8 @@ class StickyNoteApp(AcrylicWindow):
 
     def __init__(self):
         super().__init__()
+        self._is_quitting = False
+        self._force_close = False
 
         self._closing = False
 
@@ -185,6 +191,9 @@ class StickyNoteApp(AcrylicWindow):
             self.finalize_startup,
         )
 
+        self.register_shutdown_hooks()
+
+
     def configure_font(self) -> None:
         self.font_object = QFont()
 
@@ -264,17 +273,38 @@ class StickyNoteApp(AcrylicWindow):
 
         self.setWindowFlags(
             Qt.WindowType.Tool
-            | Qt.WindowType.WindowStaysOnTopHint
             | Qt.WindowType.FramelessWindowHint
+            | Qt.WindowType.WindowStaysOnTopHint
+            | Qt.WindowType.CustomizeWindowHint
         )
 
         self.setAttribute(
             Qt.WidgetAttribute.WA_TranslucentBackground,
             True,
         )
+        self.setAttribute(
+            Qt.WidgetAttribute.WA_NoSystemBackground,
+            True,
+        )
+
+        self.setWindowFlag(
+            Qt.WindowType.WindowMinMaxButtonsHint,
+            False,
+        )
+
+        self.setWindowFlag(
+            Qt.WindowType.WindowCloseButtonHint,
+            False,
+        )
+
+        self.setWindowFlag(
+            Qt.WindowType.CustomizeWindowHint,
+            True,
+        )
 
         self.setAutoFillBackground(False)
 
+
         appearance = (
             self.profile["appearance"]
         )
@@ -434,6 +464,7 @@ class StickyNoteApp(AcrylicWindow):
             | Qt.AlignmentFlag.AlignRight,
         )
 
+        self.titleBar.hide()
     def build_tray(self) -> None:
         if not self.profile[
             "behavior"
@@ -474,7 +505,7 @@ class StickyNoteApp(AcrylicWindow):
         )
 
         quit_action.triggered.connect(
-            self.close
+            self.safe_exit
         )
 
         menu.addAction(open_settings)
@@ -844,25 +875,17 @@ class StickyNoteApp(AcrylicWindow):
                 "open_settings_failure"
             )
 
-    def nativeEvent(
-        self,
-        eventType,
-        message,
-    ):
-        if getattr(
-            self,
-            "_closing",
-            False,
-        ):
-            return False, 0
-
+    def nativeEvent(self, eventType, message):
         try:
-            return super().nativeEvent(
-                eventType,
-                message,
-            )
-
+            return super().nativeEvent(eventType, message)
+        except KeyboardInterrupt:
+            self.safe_exit()
+            return False, 0
+        except SystemExit:
+            self.safe_exit()
+            return False, 0
         except Exception:
+            traceback.print_exc()
             return False, 0
 
     def resizeEvent(self, event) -> None:
@@ -921,22 +944,80 @@ class StickyNoteApp(AcrylicWindow):
         )
 
     def closeEvent(self, event) -> None:
-        self._closing = True
-
-        with contextlib.suppress(Exception):
+        if self._is_quitting or self._force_close:
+            try:
                 self.save_state()
+            except Exception:
+                traceback.print_exc()
 
-        with contextlib.suppress(Exception):
+            event.accept()
+            return
+
+        event.ignore()
+        self.hide()
+
+    def register_shutdown_hooks(self) -> None:
+        app = QApplication.instance()
+
+        def handle_shutdown(*_) -> None:
+            self.safe_exit()
+
+        atexit.register(handle_shutdown)
+
+        for sig in (signal.SIGINT, signal.SIGTERM):
+            try:
+                signal.signal(sig, handle_shutdown)
+            except Exception:
+                pass
+
+        if app is not None:
+            app.aboutToQuit.connect(
+                lambda: setattr(
+                    self,
+                    "_is_quitting",
+                    True,
+                )
+            )
+
+    def safe_exit(self) -> None:
+        if self._is_quitting:
+            return
+
+        self._is_quitting = True
+
+        try:
+            self.save_state()
+        except Exception:
+            traceback.print_exc()
+
+        try:
+            if hasattr(self, "save_timer"):
                 self.save_timer.stop()
 
-        with contextlib.suppress(Exception):
+            if hasattr(self, "preview_timer"):
                 self.preview_timer.stop()
+        except Exception:
+            traceback.print_exc()
 
-        with contextlib.suppress(Exception):
-            self.opacity_anim.stop()
-
-        with contextlib.suppress(Exception):
+        try:
             if hasattr(self, "tray"):
                 self.tray.hide()
+                self.tray.deleteLater()
+        except Exception:
+            traceback.print_exc()
 
-        super().closeEvent(event)
+        try:
+            self.hide()
+            self.deleteLater()
+        except Exception:
+            traceback.print_exc()
+
+        app = QApplication.instance()
+
+        if app is not None:
+            app.quit()
+
+        try: 
+           app.quit()
+        except:
+           sys.exit(0)