128 lines
4.5 KiB
Python
128 lines
4.5 KiB
Python
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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"""Created on 2018年8月2日
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author: Irony
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site: https://pyqt.site , https://github.com/PyQt5
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email: 892768447@qq.com
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file: win无边框调整大小
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description:
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"""
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import ctypes.wintypes
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from ctypes.wintypes import POINT
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import win32api
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import win32con
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import win32gui
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try:
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from PyQt5.QtCore import Qt
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from PyQt5.QtWidgets import QWidget, QPushButton, QApplication
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from PyQt5.QtWinExtras import QtWin
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except ImportError:
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from PySide2.QtCore import Qt
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from PySide2.QtWidgets import QWidget, QPushButton, QApplication
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from PySide2.QtWinExtras import QtWin
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class MINMAXINFO(ctypes.Structure):
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_fields_ = [
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("ptReserved", POINT),
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("ptMaxSize", POINT),
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("ptMaxPosition", POINT),
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("ptMinTrackSize", POINT),
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("ptMaxTrackSize", POINT),
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]
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class Window(QWidget):
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BorderWidth = 5
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def __init__(self, *args, **kwargs):
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super(Window, self).__init__(*args, **kwargs)
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# 主屏幕的可用大小（去掉任务栏）
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self._rect = QApplication.instance().desktop().availableGeometry(self)
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self.resize(800, 600)
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self.setWindowFlags(Qt.Window
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| Qt.FramelessWindowHint
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| Qt.WindowSystemMenuHint
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| Qt.WindowMinimizeButtonHint
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| Qt.WindowMaximizeButtonHint
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| Qt.WindowCloseButtonHint)
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# 增加薄边框
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style = win32gui.GetWindowLong(int(self.winId()), win32con.GWL_STYLE)
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win32gui.SetWindowLong(
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int(self.winId()), win32con.GWL_STYLE, style | win32con.WS_THICKFRAME)
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if QtWin.isCompositionEnabled():
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# 加上 Aero 边框阴影
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QtWin.extendFrameIntoClientArea(self, -1, -1, -1, -1)
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else:
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QtWin.resetExtendedFrame(self)
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def nativeEvent(self, eventType, message):
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retval, result = super(Window, self).nativeEvent(eventType, message)
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if eventType == "windows_generic_MSG":
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msg = ctypes.wintypes.MSG.from_address(message.__int__())
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# 获取鼠标移动经过时的坐标
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x = win32api.LOWORD(msg.lParam) - self.frameGeometry().x()
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y = win32api.HIWORD(msg.lParam) - self.frameGeometry().y()
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# 判断鼠标位置是否有其它控件
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if self.childAt(x, y) != None:
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return retval, result
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if msg.message == win32con.WM_NCCALCSIZE:
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# 拦截不显示顶部的系统自带的边框
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return True, 0
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if msg.message == win32con.WM_GETMINMAXINFO:
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# 当窗口位置改变或者大小改变时会触发该消息
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info = ctypes.cast(
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msg.lParam, ctypes.POINTER(MINMAXINFO)).contents
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# 修改最大化的窗口大小为主屏幕的可用大小
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info.ptMaxSize.x = self._rect.width()
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info.ptMaxSize.y = self._rect.height()
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# 修改放置点的x,y坐标为0,0
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info.ptMaxPosition.x, info.ptMaxPosition.y = 0, 0
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if msg.message == win32con.WM_NCHITTEST:
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w, h = self.width(), self.height()
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lx = x < self.BorderWidth
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rx = x > w - self.BorderWidth
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ty = y < self.BorderWidth
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by = y > h - self.BorderWidth
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# 左上角
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if (lx and ty):
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return True, win32con.HTTOPLEFT
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# 右下角
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if (rx and by):
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return True, win32con.HTBOTTOMRIGHT
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# 右上角
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if (rx and ty):
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return True, win32con.HTTOPRIGHT
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# 左下角
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if (lx and by):
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return True, win32con.HTBOTTOMLEFT
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# 上
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if ty:
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return True, win32con.HTTOP
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# 下
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if by:
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return True, win32con.HTBOTTOM
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# 左
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if lx:
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return True, win32con.HTLEFT
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# 右
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if rx:
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return True, win32con.HTRIGHT
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# 标题
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return True, win32con.HTCAPTION
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return retval, result
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if __name__ == '__main__':
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import sys
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app = QApplication(sys.argv)
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w = Window()
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btn = QPushButton('exit', w, clicked=app.quit)
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btn.setGeometry(10, 10, 100, 40)
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w.show()
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sys.exit(app.exec_())
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