void QHeaderView :: setSectionResizeMode (int logicIndex, QHeaderView :: ResizeMode mode)
Устанавливает ограничения на то, каким образом раздел, указанный логическим индексом в заголовке, может быть изменен до размера, описанного данным режимом. Логический индекс должен существовать во время вызова этой функции.
from sys import exit as sysExit
from math import trunc
from PyQt5.QtCore import *
from PyQt5.QtGui import *
from PyQt5.QtWidgets import *
class CustomItemModel(QStandardItemModel):
def headerData(self, section, orientation, role):
if role == Qt.ForegroundRole:
brush = QBrush()
brush.setColor(Qt.blue)
brush.setStyle(Qt.SolidPattern)
return brush
elif role == Qt.BackgroundRole:
brush = QBrush()
brush.setColor(Qt.yellow)
brush.setStyle(Qt.SolidPattern)
return brush
elif role == Qt.FontRole:
font = QFont()
font.setBold(True)
font.setPointSize(10)
return font
return super().headerData(section, orientation, role)
class DockWin1(QDockWidget):
def __init__(self, parent):
QDockWidget.__init__(self)
self.setWindowTitle('Dock 1')
self.MainWin = parent
self.container = QWidget(self)
self.container.setLayout(QHBoxLayout())
self.setWidget(self.container)
self.container.layout().addWidget(QTextEdit())
self.setMinimumWidth(100)
self.setMinimumHeight(100)
self.topLevelChanged.connect(self.SetDock1Free)
@property
def MainWin(self):
return self.__parent
@MainWin.setter
def MainWin(self, value):
self.__parent = value
def closeEvent(self, event):
self.MainWin.ClosingDock1()
def SetDock1Free(self):
if self.MainWin.Dock1Free:
self.MainWin.CheckToResize('Dock1', 100)
else:
self.MainWin.CheckToResize('Dock1', self.width())
self.MainWin.Dock1Free = not self.MainWin.Dock1Free
class DockWin2(QDockWidget):
def __init__(self, parent):
QDockWidget.__init__(self)
self.setWindowTitle('Dock 2')
self.MainWin = parent
self.container = QWidget(self)
self.container.setLayout(QHBoxLayout())
self.setWidget(self.container)
self.container.layout().addWidget(QTextEdit())
self.setMinimumWidth(100)
self.setMinimumHeight(100)
self.topLevelChanged.connect(self.SetDock2Free)
@property
def MainWin(self):
return self.__parent
@MainWin.setter
def MainWin(self, value):
self.__parent = value
def closeEvent(self, event):
self.MainWin.ClosingDock2()
def SetDock2Free(self):
if self.MainWin.Dock2Free:
self.MainWin.CheckToResize('Dock2', 100)
else:
self.MainWin.CheckToResize('Dock2', self.width())
self.MainWin.Dock2Free = not self.MainWin.Dock2Free
class ItemDsplyr(QTreeView):
def __init__(self, CentrPane):
QTreeView.__init__(self, CentrPane)
self.CntrPane = CentrPane
self.setEditTriggers(QTreeView().NoEditTriggers)
self.model = CustomItemModel(0, 3)
self.model.setHorizontalHeaderLabels(['1st Col', '2nd Col', '3rd Col'])
self.model.setHeaderData(1, Qt.Horizontal, Qt.AlignCenter, Qt.TextAlignmentRole)
self.setModel(self.model)
self.setMinimumWidth(250)
self.header().setStretchLastSection(False)
self.header().setSectionResizeMode(2, QHeaderView.Stretch) # <---------
self.setColumnWidth(1, 75)
self.setColumnWidth(2, 100)
class CenterPanel(QWidget):
def __init__(self, MainWin):
QWidget.__init__(self)
self.MyEditor = QTextEdit('Editorial')
self.ItemDsply = ItemDsplyr(self)
CntrPane = QSplitter(Qt.Horizontal, self)
CntrPane.addWidget(self.MyEditor)
CntrPane.addWidget(self.ItemDsply)
CntrPane.setSizes([50,200])
CntrPane.setCollapsible(0, False)
CntrPane.setCollapsible(1, False)
hbox = QHBoxLayout(self)
hbox.addWidget(CntrPane)
self.setLayout(hbox)
class MenuToolBar(QDockWidget):
def __init__(self, MainWin):
QDockWidget.__init__(self)
self.MainWin = MainWin
self.MainMenu = MainWin.menuBar()
self.WndowMenu = self.MainMenu.addMenu('Windows')
self.Dock1Act = QAction('Dock1', self)
self.Dock1Act.setStatusTip('Open the Dock1 Window')
self.Dock1Act.triggered.connect(MainWin.ShowDock1)
self.Dock2Act = QAction('Dock2', self)
self.Dock2Act.setStatusTip('Open the Dock2 Window')
self.Dock2Act.triggered.connect(MainWin.ShowDock2)
self.WndowMenu.addAction(self.Dock1Act)
self.WndowMenu.addSeparator()
self.WndowMenu.addAction(self.Dock2Act)
self.InitToolBar(MainWin)
def InitToolBar(self, MainWin):
self.mainToolBar = MainWin.addToolBar("Quick Access")
self.mainToolBar.addAction(self.Dock1Act)
self.mainToolBar.addSeparator()
self.mainToolBar.addAction(self.Dock2Act)
class UI_MainWindow(QMainWindow):
def __init__(self, MainDesktop):
super(UI_MainWindow, self).__init__(MainDesktop)
self.setWindowTitle('Main Window')
self.Dock1Open = False
self.Dock1Free = False
self.Dock2Open = False
self.Dock2Free = False
self.MnDskTop = MainDesktop
print(f"MainDesktop->{MainDesktop}")
# Left, Top, Width, Height
self.setGeometry(200, 100, 550, 550)
self.CenterPane = CenterPanel(self)
self.setCentralWidget(self.CenterPane)
self.MenuToolBar = MenuToolBar(self)
def ShowDock1(self):
if not self.Dock1Open:
self.CheckToResize('Dock1', 300)
self.Dock1 = DockWin1(self)
self.Dock1Open = True
self.Dock1Free = False
self.addDockWidget(Qt.RightDockWidgetArea, self.Dock1)
def ClosingDock1(self):
self.Dock1Open = False
def ShowDock2(self):
if not self.Dock2Open:
self.CheckToResize('Dock2', 300)
self.Dock2 = DockWin2(self)
self.Dock2Open = True
self.Dock2Free = False
self.addDockWidget(Qt.RightDockWidgetArea, self.Dock2)
def ClosingDock2(self):
self.Dock2Open = False
def CheckToResize(self, WinDocked, DockWdth):
# If any of the other docks are open and docked do not resize
if self.Dock1Open and WinDocked != 'Dock1' and not self.Dock1Free:
return
elif self.Dock2Open and WinDocked != 'Dock2' and not self.Dock2Free:
return
Docking = True
if WinDocked == 'Dock1' and self.Dock1Open != self.Dock1Free:
Docking = False
elif WinDocked == 'Dock2' and self.Dock2Open != self.Dock2Free:
Docking = False
WinLeft = self.geometry().left()
WinTop = self.geometry().top()
WinWidth = self.geometry().width()
WinHight = self.geometry().height()
ScrWidth = self.MnDskTop.screenGeometry().width()
# Docking
if Docking:
if ScrWidth < (WinLeft + WinWidth + DockWdth):
WinLeft = 0
WinWidth = ScrWidth
elif WinLeft > (trunc(DockWdth/2)):
WinLeft = WinLeft - trunc(DockWdth/2)
WinWidth = WinWidth + DockWdth
else:
WinLeft = 0
WinWidth = WinWidth + DockWdth
self.setGeometry(WinLeft, WinTop, WinWidth, WinHight)
# Un-Docking
else:
WinWidth = WinWidth - DockWdth
self.setGeometry(WinLeft, WinTop, WinWidth, WinHight)
# Call the Event that Triggers View Adjustment ??
self.CenterPane.ItemDsply.updateGeometry()
# self.CenterPane.ItemDsply.resizeEvent(QResizeEvent(self.size(), QSize()))
if __name__ == '__main__':
MainApp = QApplication([])
MainGui = UI_MainWindow(MainApp.desktop())
MainGui.show()
sysExit(MainApp.exec_())
Обновление
sizeAdjustPolicy: SizeAdjustPolicy
Это свойство содержит политику, описывающую, как изменяется размер области прокрутки при изменении размера области просмотра.
from sys import exit as sysExit
from math import trunc
from PyQt5.QtCore import *
from PyQt5.QtGui import *
from PyQt5.QtWidgets import *
class CustomItemModel(QStandardItemModel):
def headerData(self, section, orientation, role):
if role == Qt.ForegroundRole:
brush = QBrush()
brush.setColor(Qt.blue)
brush.setStyle(Qt.SolidPattern)
return brush
elif role == Qt.BackgroundRole:
brush = QBrush()
brush.setColor(Qt.yellow)
brush.setStyle(Qt.SolidPattern)
return brush
elif role == Qt.FontRole:
font = QFont()
font.setBold(True)
font.setPointSize(10)
return font
return super().headerData(section, orientation, role)
class DockWin1(QDockWidget):
def __init__(self, parent):
QDockWidget.__init__(self)
self.setWindowTitle('Dock 1')
self.MainWin = parent
self.container = QWidget(self)
self.container.setLayout(QHBoxLayout())
self.setWidget(self.container)
self.container.layout().addWidget(QTextEdit())
self.setMinimumWidth(100)
self.setMinimumHeight(100)
self.topLevelChanged.connect(self.SetDock1Free)
@property
def MainWin(self):
return self.__parent
@MainWin.setter
def MainWin(self, value):
self.__parent = value
def closeEvent(self, event):
self.MainWin.ClosingDock1()
def SetDock1Free(self):
if self.MainWin.Dock1Free:
self.MainWin.CheckToResize('Dock1', 100)
else:
self.MainWin.CheckToResize('Dock1', self.width())
self.MainWin.Dock1Free = not self.MainWin.Dock1Free
class DockWin2(QDockWidget):
def __init__(self, parent):
QDockWidget.__init__(self)
self.setWindowTitle('Dock 2')
self.MainWin = parent
self.container = QWidget(self)
self.container.setLayout(QHBoxLayout())
self.setWidget(self.container)
self.container.layout().addWidget(QTextEdit())
self.setMinimumWidth(100)
self.setMinimumHeight(100)
self.topLevelChanged.connect(self.SetDock2Free)
@property
def MainWin(self):
return self.__parent
@MainWin.setter
def MainWin(self, value):
self.__parent = value
def closeEvent(self, event):
self.MainWin.ClosingDock2()
def SetDock2Free(self):
if self.MainWin.Dock2Free:
self.MainWin.CheckToResize('Dock2', 100)
else:
self.MainWin.CheckToResize('Dock2', self.width())
self.MainWin.Dock2Free = not self.MainWin.Dock2Free
class ItemDsplyr(QTreeView):
def __init__(self, CentrPane):
QTreeView.__init__(self, CentrPane)
self.CntrPane = CentrPane
self.setEditTriggers(QTreeView().NoEditTriggers)
self.model = CustomItemModel(0, 3)
self.model.setHorizontalHeaderLabels(['1st Col', '2nd Col', '3rd Col'])
self.model.setHeaderData(1, Qt.Horizontal, Qt.AlignCenter, Qt.TextAlignmentRole)
self.setModel(self.model)
self.setMinimumWidth(250)
self.setSizeAdjustPolicy(QAbstractScrollArea.AdjustToContents) # <<<========
self.header().setStretchLastSection(False)
self.header().setSectionResizeMode(0, QHeaderView.Stretch)
self.setColumnWidth(1, 75)
self.setColumnWidth(2, 100)
class CenterPanel(QWidget):
def __init__(self, MainWin):
QWidget.__init__(self)
self.MyEditor = QTextEdit('Editorial')
self.ItemDsply = ItemDsplyr(self)
CntrPane = QSplitter(Qt.Horizontal, self)
CntrPane.addWidget(self.MyEditor)
CntrPane.addWidget(self.ItemDsply)
CntrPane.setSizes([50,200])
CntrPane.setCollapsible(0, False)
CntrPane.setCollapsible(1, False)
hbox = QHBoxLayout(self)
hbox.addWidget(CntrPane)
self.setLayout(hbox)
class MenuToolBar(QDockWidget):
def __init__(self, MainWin):
QDockWidget.__init__(self)
self.MainWin = MainWin
self.MainMenu = MainWin.menuBar()
self.WndowMenu = self.MainMenu.addMenu('Windows')
self.Dock1Act = QAction('Dock1', self)
self.Dock1Act.setStatusTip('Open the Dock1 Window')
self.Dock1Act.triggered.connect(MainWin.ShowDock1)
self.Dock2Act = QAction('Dock2', self)
self.Dock2Act.setStatusTip('Open the Dock2 Window')
self.Dock2Act.triggered.connect(MainWin.ShowDock2)
self.WndowMenu.addAction(self.Dock1Act)
self.WndowMenu.addSeparator()
self.WndowMenu.addAction(self.Dock2Act)
self.InitToolBar(MainWin)
def InitToolBar(self, MainWin):
self.mainToolBar = MainWin.addToolBar("Quick Access")
self.mainToolBar.addAction(self.Dock1Act)
self.mainToolBar.addSeparator()
self.mainToolBar.addAction(self.Dock2Act)
class UI_MainWindow(QMainWindow):
def __init__(self, MainDesktop):
super(UI_MainWindow, self).__init__(MainDesktop)
self.setWindowTitle('Main Window')
self.Dock1Open = False
self.Dock1Free = False
self.Dock2Open = False
self.Dock2Free = False
self.MnDskTop = MainDesktop
# print(f"MainDesktop->{MainDesktop}")
# Left, Top, Width, Height
self.setGeometry(200, 100, 550, 550)
self.CenterPane = CenterPanel(self)
self.setCentralWidget(self.CenterPane)
self.MenuToolBar = MenuToolBar(self)
def ShowDock1(self):
if not self.Dock1Open:
self.CheckToResize('Dock1', 300)
self.Dock1 = DockWin1(self)
self.Dock1Open = True
self.Dock1Free = False
self.addDockWidget(Qt.RightDockWidgetArea, self.Dock1)
def ClosingDock1(self):
self.Dock1Open = False
def ShowDock2(self):
if not self.Dock2Open:
self.CheckToResize('Dock2', 300)
self.Dock2 = DockWin2(self)
self.Dock2Open = True
self.Dock2Free = False
self.addDockWidget(Qt.RightDockWidgetArea, self.Dock2)
def ClosingDock2(self):
self.Dock2Open = False
def CheckToResize(self, WinDocked, DockWdth):
# If any of the other docks are open and docked do not resize
if self.Dock1Open and WinDocked != 'Dock1' and not self.Dock1Free:
return
elif self.Dock2Open and WinDocked != 'Dock2' and not self.Dock2Free:
return
Docking = True
if WinDocked == 'Dock1' and self.Dock1Open != self.Dock1Free:
Docking = False
elif WinDocked == 'Dock2' and self.Dock2Open != self.Dock2Free:
Docking = False
WinLeft = self.geometry().left()
WinTop = self.geometry().top()
WinWidth = self.geometry().width()
WinHight = self.geometry().height()
ScrWidth = self.MnDskTop.screenGeometry().width()
# Docking
if Docking:
if ScrWidth < (WinLeft + WinWidth + DockWdth):
WinLeft = 0
WinWidth = ScrWidth
elif WinLeft > (trunc(DockWdth/2)):
WinLeft = WinLeft - trunc(DockWdth/2)
WinWidth = WinWidth + DockWdth
else:
WinLeft = 0
WinWidth = WinWidth + DockWdth
self.setGeometry(WinLeft, WinTop, WinWidth, WinHight)
# Un-Docking
else:
WinWidth = WinWidth - DockWdth
self.setGeometry(WinLeft, WinTop, WinWidth, WinHight)
# Call the Event that Triggers View Adjustment ??
self.CenterPane.ItemDsply.updateGeometry()
# self.CenterPane.ItemDsply.resizeEvent(QResizeEvent(self.size(), QSize()))
if __name__ == '__main__':
MainApp = QApplication([])
MainGui = UI_MainWindow(MainApp.desktop())
MainGui.show()
sysExit(MainApp.exec_())
