87 lines
2.6 KiB
Python
87 lines
2.6 KiB
Python
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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"""
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Created on 2019年4月23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: ShowFrameWhenDrag
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@description: 调整窗口显示边框
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"""
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from ctypes import sizeof, windll, c_int, byref, c_long, c_void_p, c_ulong, c_longlong, \
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c_ulonglong, WINFUNCTYPE, c_uint
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try:
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from PyQt5.QtWidgets import QWidget, QVBoxLayout, QLabel, QApplication
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except ImportError:
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from PySide2.QtWidgets import QWidget, QVBoxLayout, QLabel, QApplication
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if sizeof(c_long) == sizeof(c_void_p):
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WPARAM = c_ulong
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LPARAM = c_long
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elif sizeof(c_longlong) == sizeof(c_void_p):
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WPARAM = c_ulonglong
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LPARAM = c_longlong
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WM_NCLBUTTONDOWN = 0x00a1
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GWL_WNDPROC = -4
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SPI_GETDRAGFULLWINDOWS = 38
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SPI_SETDRAGFULLWINDOWS = 37
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WNDPROC = WINFUNCTYPE(c_long, c_void_p, c_uint, WPARAM, LPARAM)
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try:
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CallWindowProc = windll.user32.CallWindowProcW
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SetWindowLong = windll.user32.SetWindowLongW
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SystemParametersInfo = windll.user32.SystemParametersInfoW
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except:
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CallWindowProc = windll.user32.CallWindowProcA
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SetWindowLong = windll.user32.SetWindowLongA
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SystemParametersInfo = windll.user32.SystemParametersInfoA
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def GetDragFullwindows():
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rv = c_int()
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SystemParametersInfo(SPI_GETDRAGFULLWINDOWS, 0, byref(rv), 0)
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return rv.value
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def SetDragFullwindows(value):
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SystemParametersInfo(SPI_SETDRAGFULLWINDOWS, value, 0, 0)
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class Window(QWidget):
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def __init__(self, *args, **kwargs):
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super(Window, self).__init__(*args, **kwargs)
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layout = QVBoxLayout(self)
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layout.addWidget(QLabel('拖动或者调整窗口试试看'))
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# 重点替换窗口处理过程
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self._newwndproc = WNDPROC(self._wndproc)
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self._oldwndproc = SetWindowLong(
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int(self.winId()), GWL_WNDPROC, self._newwndproc)
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def _wndproc(self, hwnd, msg, wparam, lparam):
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if msg == WM_NCLBUTTONDOWN:
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# 获取系统本身是否已经开启
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isDragFullWindow = GetDragFullwindows()
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if isDragFullWindow != 0:
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# 开启虚线框
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SetDragFullwindows(0)
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# 系统本身处理
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ret = CallWindowProc(
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self._oldwndproc, hwnd, msg, wparam, lparam)
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# 关闭虚线框
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SetDragFullwindows(1)
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return ret
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return CallWindowProc(self._oldwndproc, hwnd, msg, wparam, lparam)
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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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w.show()
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sys.exit(app.exec_())
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