Veronica K. B. Olsen
126 lines
3.6 KiB
Python
126 lines
3.6 KiB
Python
# -*- coding: utf-8 -*-
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"""novelWriter Paged Dialog
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novelWriter – Paged Dialog
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============================
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A custom QDialog with a built-in QTabWidget and vertical tabs.
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File History:
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Created: 2020-05-17 [0.5.1]
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This file is a part of novelWriter
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Copyright 2020, Veronica Berglyd Olsen
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>.
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"""
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import logging
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import nw
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from PyQt5.QtCore import Qt, QRect, QPoint
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from PyQt5.QtWidgets import (
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QDialog, QHBoxLayout, QVBoxLayout, QTabWidget, QTabBar, QStyle,
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QStylePainter, QStyleOptionTab
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)
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logger = logging.getLogger(__name__)
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class PagedDialog(QDialog):
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def __init__(self, theParent=None):
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QDialog.__init__(self, parent=theParent)
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self._outerBox = QVBoxLayout()
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self._buttonBox = QHBoxLayout()
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self._tabBox = QTabWidget()
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self._tabBar = VerticalTabBar(self)
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self._tabBox.setTabBar(self._tabBar)
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self._tabBox.setTabPosition(QTabWidget.West)
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self._tabBar.setExpanding(False)
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self._outerBox.addWidget(self._tabBox)
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self._outerBox.addLayout(self._buttonBox)
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self.setLayout(self._outerBox)
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# Default Margins
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qM = self._outerBox.contentsMargins()
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mL = qM.left()
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mR = qM.right()
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mT = qM.top()
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mB = qM.bottom()
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self.setContentsMargins(0, 0, 0, 0)
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self._outerBox.setContentsMargins(0, 0, 0, mB)
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self._buttonBox.setContentsMargins(mL, 0, mR, 0)
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self._outerBox.setSpacing(mT)
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return
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def addTab(self, tabWidget, tabLabel):
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"""Forwards the adding of tabs to the QTabWidget.
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"""
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self._tabBox.addTab(tabWidget, tabLabel)
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return
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def addControls(self, buttonBar):
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"""Adds a button bar to the dialog.
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"""
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self._buttonBox.addWidget(buttonBar)
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return
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# END Class PagedDialog
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class VerticalTabBar(QTabBar):
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def __init__(self, theParent=None):
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QTabBar.__init__(self, parent=theParent)
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return
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def tabSizeHint(self, theIndex):
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"""Returns a transposed size hint for the rotated bar.
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"""
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tSize = QTabBar.tabSizeHint(self, theIndex)
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tSize.transpose()
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return tSize
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def paintEvent(self, theEvent):
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"""Custom implementation of the label painter that rotates the
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label 90 degrees.
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"""
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pObj = QStylePainter(self)
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oObj = QStyleOptionTab()
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for i in range(self.count()):
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self.initStyleOption(oObj, i)
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pObj.drawControl(QStyle.CE_TabBarTabShape, oObj)
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pObj.save()
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oSize = oObj.rect.size()
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oSize.transpose()
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oRect = QRect(QPoint(), oSize)
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oRect.moveCenter(oObj.rect.center())
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oObj.rect = oRect
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oCenter = self.tabRect(i).center()
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pObj.translate(oCenter)
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pObj.rotate(90)
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pObj.translate(-oCenter)
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pObj.drawControl(QStyle.CE_TabBarTabLabel, oObj)
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pObj.restore()
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return
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# END Class VerticalTabBar
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