PyQt5#187 增的提示不支持gnome

Author: 892768447

Demo/WeltHideWindow.py

@@ -10,40 +10,91 @@
 @description: 简单的窗口贴边隐藏
 """
 
+import os
+import platform
+from subprocess import getoutput
+
 try:
     from PyQt5.QtCore import Qt
-    from PyQt5.QtWidgets import QWidget, QVBoxLayout, QPushButton, QApplication
+    from PyQt5.QtWidgets import (
+        QApplication,
+        QGridLayout,
+        QMessageBox,
+        QPushButton,
+        QSizePolicy,
+        QSpacerItem,
+        QWidget,
+    )
 except ImportError:
     from PySide2.QtCore import Qt
-    from PySide2.QtWidgets import QWidget, QVBoxLayout, QPushButton, QApplication
+    from PySide2.QtWidgets import (
+        QApplication,
+        QGridLayout,
+        QMessageBox,
+        QPushButton,
+        QSizePolicy,
+        QSpacerItem,
+        QWidget,
+    )
 
 
-class WeltHideWindow(QWidget):
+def IsSupport():
+    """判断是否支持"""
+    if platform.system() == "Linux":
+        name = os.environ.get("XDG_SESSION_DESKTOP", "") + os.environ.get(
+            "XDG_CURRENT_DESKTOP", ""
+        )
+        if name.lower().find("gnome") != -1:
+            print("gnome desktop")
+            return False
+
+        wid = getoutput("xprop -root _NET_SUPPORTING_WM_CHECK").split(" # ")[-1]
+        print("wid:", wid)
+        if wid:
+            name = getoutput("xprop -id %s _NET_WM_NAME" % wid)
+            print("name:", name)
+            if name.lower().find("gnome") != -1:
+                print("gnome desktop")
+                return False
 
+    return True
+
+
+class WeltHideWindow(QWidget):
     def __init__(self, *args, **kwargs):
         super(WeltHideWindow, self).__init__(*args, **kwargs)
         self.setWindowFlags(self.windowFlags() | Qt.FramelessWindowHint)
-        self.resize(800, 600)
+        self.resize(400, 300)
         self._width = QApplication.desktop().availableGeometry(self).width()
-        layout = QVBoxLayout(self)
-        layout.addWidget(QPushButton("关闭窗口", self, clicked=self.close))
+        layout = QGridLayout(self)
+        layout.addItem(
+            QSpacerItem(40, 20, QSizePolicy.Expanding, QSizePolicy.Minimum), 0, 0
+        )
+        self.closeBtn = QPushButton("X", self)
+        layout.addWidget(self.closeBtn, 0, 1)
+        layout.addItem(
+            QSpacerItem(20, 40, QSizePolicy.Minimum, QSizePolicy.Expanding), 1, 0
+        )
+        self.closeBtn.clicked.connect(self.close)
+        self.closeBtn.setMinimumSize(24, 24)
+        self.closeBtn.setMaximumSize(24, 24)
 
     def mousePressEvent(self, event):
-        '''鼠标按下事件，需要记录下坐标self._pos 和 是否可移动self._canMove'''
+        """鼠标按下事件，需要记录下坐标self._pos 和 是否可移动self._canMove"""
         super(WeltHideWindow, self).mousePressEvent(event)
         if event.button() == Qt.LeftButton:
             self._pos = event.globalPos() - self.pos()
             # 当窗口最大化或者全屏时不可移动
             self._canMove = not self.isMaximized() or not self.isFullScreen()
 
     def mouseMoveEvent(self, event):
-        '''鼠标移动事件，动态调整窗口位置'''
+        """鼠标移动事件，动态调整窗口位置"""
         super(WeltHideWindow, self).mouseMoveEvent(event)
         if event.buttons() == Qt.LeftButton and self._canMove:
             self.move(event.globalPos() - self._pos)
 
     def mouseReleaseEvent(self, event):
-        '''鼠标弹起事件，这个时候需要判断窗口的左边是否符合贴到左边，顶部，右边一半'''
+        """鼠标弹起事件，这个时候需要判断窗口的左边是否符合贴到左边，顶部，右边一半"""
         super(WeltHideWindow, self).mouseReleaseEvent(event)
         self._canMove = False
         pos = self.pos()
@@ -60,7 +111,7 @@ def mouseReleaseEvent(self, event):
             return self.move(self._width - 1, y)
 
     def enterEvent(self, event):
-        '''鼠标进入窗口事件，用于弹出显示窗口'''
+        """鼠标进入窗口事件，用于弹出显示窗口"""
         super(WeltHideWindow, self).enterEvent(event)
         pos = self.pos()
         x = pos.x()
@@ -73,7 +124,7 @@ def enterEvent(self, event):
             return self.move(self._width - self.width(), y)
 
     def leaveEvent(self, event):
-        '''鼠标离开事件，如果原先窗口已经隐藏，并暂时显示，此时离开后需要再次隐藏'''
+        """鼠标离开事件，如果原先窗口已经隐藏，并暂时显示，此时离开后需要再次隐藏"""
         super(WeltHideWindow, self).leaveEvent(event)
         pos = self.pos()
         x = pos.x()
@@ -86,10 +137,18 @@ def leaveEvent(self, event):
             return self.move(self._width - 1, y)
 
 
-if __name__ == '__main__':
+if __name__ == "__main__":
     import sys
 
     app = QApplication(sys.argv)
-    w = WeltHideWindow()
-    w.show()
-    sys.exit(app.exec_())
+    if not IsSupport():
+        QMessageBox.warning(
+            None,
+            "Warning",
+            "当前桌面不支持此功能",
+        )
+        app.quit()
+    else:
+        w = WeltHideWindow()
+        w.show()
+        sys.exit(app.exec_())