问题描述
我发现如果我从 QDialog
中删除所有标志,并将 Windows 标志设置为 QtCore.Qt.CustomizeWindowHint
和 QtCore.Qt.WindowTitleHint
,图标会消失,但关闭按钮也会消失。不幸的是,如果我添加 QtCore.Qt.WindowCloseButtonHint
的标志,图标会返回。
这是我的代码:
from PyQt5 import QtGui,QtCore
from PyQt5.QtWidgets import *
class MainWindow(QDialog):
def __init__(self):
super().__init__()
pixmap = QtGui.Qpixmap(1,1)
pixmap.fill(QtCore.Qt.transparent)
self.title_bar = "Graph Filter"
self.graph_icon = QtGui.QIcon("views/resources/icons/hexagon.png")
self.empty_icon = QtGui.QIcon(pixmap)
self.width = 600
self.height = 600
rectangle = self.frameGeometry()
center_point = QDesktopWidget().availableGeometry().center()
rectangle.moveCenter(center_point)
self.move(rectangle.topLeft())
self.init_window()
def init_window(self):
self.setwindowIcon(self.empty_icon)
self.setwindowTitle(self.title_bar)
self.setFixedSize(self.width,self.height)
self.setwindowFlags(QtCore.Qt.CustomizeWindowHint | QtCore.Qt.WindowTitleHint)
这里没有图标,但没有关闭按钮:
理想的世界是没有图标和关闭按钮。
正如您在图像中看到的,透明图标也不好,因为空间仍然存在。
解决方法
尝试一下windowflags.py
:
#!/usr/bin/env python
#############################################################################
##
## Copyright (C) 2013 Riverbank Computing Limited.
## Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
## All rights reserved.
##
## This file is part of the examples of PyQt.
##
## $QT_BEGIN_LICENSE:BSD$
## You may use this file under the terms of the BSD license as follows:
##
## "Redistribution and use in source and binary forms,with or without
## modification,are permitted provided that the following conditions are
## met:
## * Redistributions of source code must retain the above copyright
## notice,this list of conditions and the following disclaimer.
## * Redistributions in binary form must reproduce the above copyright
## notice,this list of conditions and the following disclaimer in
## the documentation and/or other materials provided with the
## distribution.
## * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
## the names of its contributors may be used to endorse or promote
## products derived from this software without specific prior written
## permission.
##
## THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
## "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,INCLUDING,BUT NOT
## LIMITED TO,THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
## A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
## OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,INDIRECT,INCIDENTAL,## SPECIAL,EXEMPLARY,OR CONSEQUENTIAL DAMAGES (INCLUDING,PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,## DATA,OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
## THEORY OF LIABILITY,WHETHER IN CONTRACT,STRICT LIABILITY,OR TORT
## (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
## OF THIS SOFTWARE,EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
## $QT_END_LICENSE$
##
#############################################################################
from PyQt5.QtCore import Qt
from PyQt5.QtWidgets import (QApplication,QCheckBox,QGridLayout,QGroupBox,QHBoxLayout,QPushButton,QRadioButton,QTextEdit,QVBoxLayout,QWidget)
class PreviewWindow(QWidget):
def __init__(self,parent=None):
super(PreviewWindow,self).__init__(parent)
self.textEdit = QTextEdit()
self.textEdit.setReadOnly(True)
self.textEdit.setLineWrapMode(QTextEdit.NoWrap)
closeButton = QPushButton("&Close")
closeButton.clicked.connect(self.close)
layout = QVBoxLayout()
layout.addWidget(self.textEdit)
layout.addWidget(closeButton)
self.setLayout(layout)
self.setWindowTitle("Preview")
def setWindowFlags(self,flags):
super(PreviewWindow,self).setWindowFlags(flags)
flag_type = (flags & Qt.WindowType_Mask)
if flag_type == Qt.Window:
text = "Qt.Window"
elif flag_type == Qt.Dialog:
text = "Qt.Dialog"
elif flag_type == Qt.Sheet:
text = "Qt.Sheet"
elif flag_type == Qt.Drawer:
text = "Qt.Drawer"
elif flag_type == Qt.Popup:
text = "Qt.Popup"
elif flag_type == Qt.Tool:
text = "Qt.Tool"
elif flag_type == Qt.ToolTip:
text = "Qt.ToolTip"
elif flag_type == Qt.SplashScreen:
text = "Qt.SplashScreen"
else:
text = ""
if flags & Qt.MSWindowsFixedSizeDialogHint:
text += "\n| Qt.MSWindowsFixedSizeDialogHint"
if flags & Qt.X11BypassWindowManagerHint:
text += "\n| Qt.X11BypassWindowManagerHint"
if flags & Qt.FramelessWindowHint:
text += "\n| Qt.FramelessWindowHint"
if flags & Qt.WindowTitleHint:
text += "\n| Qt.WindowTitleHint"
if flags & Qt.WindowSystemMenuHint:
text += "\n| Qt.WindowSystemMenuHint"
if flags & Qt.WindowMinimizeButtonHint:
text += "\n| Qt.WindowMinimizeButtonHint"
if flags & Qt.WindowMaximizeButtonHint:
text += "\n| Qt.WindowMaximizeButtonHint"
if flags & Qt.WindowCloseButtonHint:
text += "\n| Qt.WindowCloseButtonHint"
if flags & Qt.WindowContextHelpButtonHint:
text += "\n| Qt.WindowContextHelpButtonHint"
if flags & Qt.WindowShadeButtonHint:
text += "\n| Qt.WindowShadeButtonHint"
if flags & Qt.WindowStaysOnTopHint:
text += "\n| Qt.WindowStaysOnTopHint"
if flags & Qt.WindowStaysOnBottomHint:
text += "\n| Qt.WindowStaysOnBottomHint"
if flags & Qt.CustomizeWindowHint:
text += "\n| Qt.CustomizeWindowHint"
self.textEdit.setPlainText(text)
class ControllerWindow(QWidget):
def __init__(self):
super(ControllerWindow,self).__init__()
self.previewWindow = PreviewWindow(self)
self.createTypeGroupBox()
self.createHintsGroupBox()
quitButton = QPushButton("&Quit")
quitButton.clicked.connect(self.close)
bottomLayout = QHBoxLayout()
bottomLayout.addStretch()
bottomLayout.addWidget(quitButton)
mainLayout = QVBoxLayout()
mainLayout.addWidget(self.typeGroupBox)
mainLayout.addWidget(self.hintsGroupBox)
mainLayout.addLayout(bottomLayout)
self.setLayout(mainLayout)
self.setWindowTitle("Window Flags")
self.updatePreview()
def updatePreview(self):
flags = Qt.WindowFlags()
if self.windowRadioButton.isChecked():
flags = Qt.Window
elif self.dialogRadioButton.isChecked():
flags = Qt.Dialog
elif self.sheetRadioButton.isChecked():
flags = Qt.Sheet
elif self.drawerRadioButton.isChecked():
flags = Qt.Drawer
elif self.popupRadioButton.isChecked():
flags = Qt.Popup
elif self.toolRadioButton.isChecked():
flags = Qt.Tool
elif self.toolTipRadioButton.isChecked():
flags = Qt.ToolTip
elif self.splashScreenRadioButton.isChecked():
flags = Qt.SplashScreen
if self.msWindowsFixedSizeDialogCheckBox.isChecked():
flags |= Qt.MSWindowsFixedSizeDialogHint
if self.x11BypassWindowManagerCheckBox.isChecked():
flags |= Qt.X11BypassWindowManagerHint
if self.framelessWindowCheckBox.isChecked():
flags |= Qt.FramelessWindowHint
if self.windowTitleCheckBox.isChecked():
flags |= Qt.WindowTitleHint
if self.windowSystemMenuCheckBox.isChecked():
flags |= Qt.WindowSystemMenuHint
if self.windowMinimizeButtonCheckBox.isChecked():
flags |= Qt.WindowMinimizeButtonHint
if self.windowMaximizeButtonCheckBox.isChecked():
flags |= Qt.WindowMaximizeButtonHint
if self.windowCloseButtonCheckBox.isChecked():
flags |= Qt.WindowCloseButtonHint
if self.windowContextHelpButtonCheckBox.isChecked():
flags |= Qt.WindowContextHelpButtonHint
if self.windowShadeButtonCheckBox.isChecked():
flags |= Qt.WindowShadeButtonHint
if self.windowStaysOnTopCheckBox.isChecked():
flags |= Qt.WindowStaysOnTopHint
if self.windowStaysOnBottomCheckBox.isChecked():
flags |= Qt.WindowStaysOnBottomHint
if self.customizeWindowHintCheckBox.isChecked():
flags |= Qt.CustomizeWindowHint
self.previewWindow.setWindowFlags(flags)
pos = self.previewWindow.pos()
if pos.x() < 0:
pos.setX(0)
if pos.y() < 0:
pos.setY(0)
self.previewWindow.move(pos)
self.previewWindow.show()
def createTypeGroupBox(self):
self.typeGroupBox = QGroupBox("Type")
self.windowRadioButton = self.createRadioButton("Window")
self.dialogRadioButton = self.createRadioButton("Dialog")
self.sheetRadioButton = self.createRadioButton("Sheet")
self.drawerRadioButton = self.createRadioButton("Drawer")
self.popupRadioButton = self.createRadioButton("Popup")
self.toolRadioButton = self.createRadioButton("Tool")
self.toolTipRadioButton = self.createRadioButton("Tooltip")
self.splashScreenRadioButton = self.createRadioButton("Splash screen")
self.windowRadioButton.setChecked(True)
layout = QGridLayout()
layout.addWidget(self.windowRadioButton,0)
layout.addWidget(self.dialogRadioButton,1,0)
layout.addWidget(self.sheetRadioButton,2,0)
layout.addWidget(self.drawerRadioButton,3,0)
layout.addWidget(self.popupRadioButton,1)
layout.addWidget(self.toolRadioButton,1)
layout.addWidget(self.toolTipRadioButton,1)
layout.addWidget(self.splashScreenRadioButton,1)
self.typeGroupBox.setLayout(layout)
def createHintsGroupBox(self):
self.hintsGroupBox = QGroupBox("Hints")
self.msWindowsFixedSizeDialogCheckBox = self.createCheckBox("MS Windows fixed size dialog")
self.x11BypassWindowManagerCheckBox = self.createCheckBox("X11 bypass window manager")
self.framelessWindowCheckBox = self.createCheckBox("Frameless window")
self.windowTitleCheckBox = self.createCheckBox("Window title")
self.windowSystemMenuCheckBox = self.createCheckBox("Window system menu")
self.windowMinimizeButtonCheckBox = self.createCheckBox("Window minimize button")
self.windowMaximizeButtonCheckBox = self.createCheckBox("Window maximize button")
self.windowCloseButtonCheckBox = self.createCheckBox("Window close button")
self.windowContextHelpButtonCheckBox = self.createCheckBox("Window context help button")
self.windowShadeButtonCheckBox = self.createCheckBox("Window shade button")
self.windowStaysOnTopCheckBox = self.createCheckBox("Window stays on top")
self.windowStaysOnBottomCheckBox = self.createCheckBox("Window stays on bottom")
self.customizeWindowHintCheckBox = self.createCheckBox("Customize window")
layout = QGridLayout()
layout.addWidget(self.msWindowsFixedSizeDialogCheckBox,0)
layout.addWidget(self.x11BypassWindowManagerCheckBox,0)
layout.addWidget(self.framelessWindowCheckBox,0)
layout.addWidget(self.windowTitleCheckBox,0)
layout.addWidget(self.windowSystemMenuCheckBox,4,0)
layout.addWidget(self.windowMinimizeButtonCheckBox,1)
layout.addWidget(self.windowMaximizeButtonCheckBox,1)
layout.addWidget(self.windowCloseButtonCheckBox,1)
layout.addWidget(self.windowContextHelpButtonCheckBox,1)
layout.addWidget(self.windowShadeButtonCheckBox,1)
layout.addWidget(self.windowStaysOnTopCheckBox,5,1)
layout.addWidget(self.windowStaysOnBottomCheckBox,6,1)
layout.addWidget(self.customizeWindowHintCheckBox,0)
self.hintsGroupBox.setLayout(layout)
def createCheckBox(self,text):
checkBox = QCheckBox(text)
checkBox.clicked.connect(self.updatePreview)
return checkBox
def createRadioButton(self,text):
button = QRadioButton(text)
button.clicked.connect(self.updatePreview)
return button
if __name__ == '__main__':
import sys
app = QApplication(sys.argv)
controller = ControllerWindow()
controller.show()
sys.exit(app.exec_())