添加 SnapLayout 功能(#230)

examples/gallery/app/components/frameless_window.py

+import sys
+
+if sys.platform != "win32":
+    from qframelesswindow import FramelessWindow
+else:
+    from ctypes.wintypes import MSG
+
+    import win32con
+    from PyQt5.QtCore import QPoint, QEvent, Qt
+    from PyQt5.QtGui import QCursor, QMouseEvent
+    from PyQt5.QtWidgets import QApplication
+
+    from qframelesswindow import FramelessWindow as Window
+    from qframelesswindow.titlebar.title_bar_buttons import TitleBarButtonState
+
+
+    class FramelessWindow(Window):
+        """ Frameless window """
+
+        def nativeEvent(self, eventType, message):
+            """ Handle the Windows message """
+            msg = MSG.from_address(message.__int__())
+            if not msg.hWnd:
+                return super().nativeEvent(eventType, message)
+
+            if msg.message == win32con.WM_NCHITTEST and self._isResizeEnabled:
+                if self._isHoverMaxBtn():
+                    self.titleBar.maxBtn.setState(TitleBarButtonState.HOVER)
+                    return True, win32con.HTMAXBUTTON
+
+            elif msg.message in [0x2A2, win32con.WM_MOUSELEAVE]:
+                self.titleBar.maxBtn.setState(TitleBarButtonState.NORMAL)
+            elif msg.message in [win32con.WM_NCLBUTTONDOWN, win32con.WM_NCLBUTTONDBLCLK] and self._isHoverMaxBtn():
+                e = QMouseEvent(QEvent.MouseButtonPress, QPoint(), Qt.LeftButton, Qt.LeftButton, Qt.NoModifier)
+                QApplication.sendEvent(self.titleBar.maxBtn, e)
+                return True, 0
+            elif msg.message in [win32con.WM_NCLBUTTONUP, win32con.WM_NCRBUTTONUP] and self._isHoverMaxBtn():
+                e = QMouseEvent(QEvent.MouseButtonRelease, QPoint(), Qt.LeftButton, Qt.LeftButton, Qt.NoModifier)
+                QApplication.sendEvent(self.titleBar.maxBtn, e)
+
+            return super().nativeEvent(eventType, message)
+
+        def _isHoverMaxBtn(self):
+            pos = QCursor.pos() - self.geometry().topLeft() - self.titleBar.pos()
+            return self.titleBar.childAt(pos) is self.titleBar.maxBtn
\ No newline at end of file

examples/gallery/app/view/main_window.py

@@ -7,7 +7,6 @@ from PyQt5.QtWidgets import QApplication, QHBoxLayout, QFrame, QWidget
 from qfluentwidgets import (NavigationInterface, NavigationItemPosition, MessageBox,
                             isDarkTheme, PopUpAniStackedWidget, qrouter)
 from qfluentwidgets import FluentIcon as FIF
-from qframelesswindow import FramelessWindow
 
 from .title_bar import CustomTitleBar
 from .gallery_interface import GalleryInterface
@@ -27,6 +26,7 @@ from .text_interface import TextInterface
 from .view_interface import ViewInterface
 from ..common.config import SUPPORT_URL
 from ..components.avatar_widget import AvatarWidget
+from ..components.frameless_window import FramelessWindow
 from ..common.icon import Icon
 from ..common.signal_bus import signalBus
 from ..common.style_sheet import StyleSheet