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KDDockWidgets/python/examples-qt6/MyWidget.py

52 lines
1.6 KiB
Python

#
# This file is part of KDDockWidgets.
#
# SPDX-FileCopyrightText: 2020-2021 Klarälvdalens Datakonsult AB, a KDAB Group company <info@kdab.com>
# Author: Renato Araujo Oliveira Filho <renato.araujo@kdab.com>
#
# SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only
#
# Contact KDAB at <info@kdab.com> for commercial licensing options.
#
import PyKDDockWidgetsQt6
from PySide6 import QtWidgets, QtGui, QtCore
class MyWidget(QtWidgets.QWidget):
s_images = {}
def __init__(self, backgroundFile, logoFile, parent = None):
super().__init__(parent)
self.m_background = self._lookupImage(backgroundFile)
self.m_logo = self._lookupImage(logoFile)
def _lookupImage(self, imageName):
if imageName == "":
return None
if imageName not in MyWidget.s_images:
MyWidget.s_images[imageName] = QtGui.QImage(imageName)
return MyWidget.s_images[imageName]
def drawLogo(self, p):
if not self.m_logo:
return
ratio = self.m_logo.height() / (self.m_logo.width() * 1.0)
maxWidth = int(0.80 * self.size().width())
maxHeight = int(0.80 * self.size().height())
proposedHeight = int(maxWidth * ratio)
if (proposedHeight <= maxHeight):
width = maxWidth
else:
width = int(maxHeight / ratio)
height = int(width * ratio)
targetLogoRect = QtCore.QRect(0,0, width, height)
targetLogoRect.moveCenter(self.rect().center() + QtCore.QPoint(0, -int(self.size().height() * 0.00)))
p.drawImage(targetLogoRect, self.m_logo, self.m_logo.rect());