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Diffstat (limited to 'examples/widgets/layouts/flowlayout.py')
-rw-r--r-- | examples/widgets/layouts/flowlayout.py | 155 |
1 files changed, 0 insertions, 155 deletions
diff --git a/examples/widgets/layouts/flowlayout.py b/examples/widgets/layouts/flowlayout.py deleted file mode 100644 index 57e541555..000000000 --- a/examples/widgets/layouts/flowlayout.py +++ /dev/null @@ -1,155 +0,0 @@ - -############################################################################ -## -## Copyright (C) 2013 Riverbank Computing Limited. -## Copyright (C) 2016 The Qt Company Ltd. -## Contact: http://www.qt.io/licensing/ -## -## This file is part of the Qt for Python examples of the Qt Toolkit. -## -## $QT_BEGIN_LICENSE:BSD$ -## 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 The Qt Company Ltd 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, BUT NOT -## LIMITED TO, 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." -## -## $QT_END_LICENSE$ -## -############################################################################# - -"""PySide2 port of the widgets/layouts/flowlayout example from Qt v5.x""" - -from PySide2 import QtCore, QtGui, QtWidgets - - -class Window(QtWidgets.QWidget): - def __init__(self): - super(Window, self).__init__() - - flowLayout = FlowLayout() - flowLayout.addWidget(QtWidgets.QPushButton("Short")) - flowLayout.addWidget(QtWidgets.QPushButton("Longer")) - flowLayout.addWidget(QtWidgets.QPushButton("Different text")) - flowLayout.addWidget(QtWidgets.QPushButton("More text")) - flowLayout.addWidget(QtWidgets.QPushButton("Even longer button text")) - self.setLayout(flowLayout) - - self.setWindowTitle("Flow Layout") - - -class FlowLayout(QtWidgets.QLayout): - def __init__(self, parent=None, margin=0, spacing=-1): - super(FlowLayout, self).__init__(parent) - - if parent is not None: - self.setMargin(margin) - - self.setSpacing(spacing) - - self.itemList = [] - - def __del__(self): - item = self.takeAt(0) - while item: - item = self.takeAt(0) - - def addItem(self, item): - self.itemList.append(item) - - def count(self): - return len(self.itemList) - - def itemAt(self, index): - if index >= 0 and index < len(self.itemList): - return self.itemList[index] - - return None - - def takeAt(self, index): - if index >= 0 and index < len(self.itemList): - return self.itemList.pop(index) - - return None - - def expandingDirections(self): - return QtCore.Qt.Orientations(QtCore.Qt.Orientation(0)) - - def hasHeightForWidth(self): - return True - - def heightForWidth(self, width): - height = self.doLayout(QtCore.QRect(0, 0, width, 0), True) - return height - - def setGeometry(self, rect): - super(FlowLayout, self).setGeometry(rect) - self.doLayout(rect, False) - - def sizeHint(self): - return self.minimumSize() - - def minimumSize(self): - size = QtCore.QSize() - - for item in self.itemList: - size = size.expandedTo(item.minimumSize()) - - size += QtCore.QSize(2 * self.contentsMargins().top(), 2 * self.contentsMargins().top()) - return size - - def doLayout(self, rect, testOnly): - x = rect.x() - y = rect.y() - lineHeight = 0 - - for item in self.itemList: - wid = item.widget() - spaceX = self.spacing() + wid.style().layoutSpacing(QtWidgets.QSizePolicy.PushButton, QtWidgets.QSizePolicy.PushButton, QtCore.Qt.Horizontal) - spaceY = self.spacing() + wid.style().layoutSpacing(QtWidgets.QSizePolicy.PushButton, QtWidgets.QSizePolicy.PushButton, QtCore.Qt.Vertical) - nextX = x + item.sizeHint().width() + spaceX - if nextX - spaceX > rect.right() and lineHeight > 0: - x = rect.x() - y = y + lineHeight + spaceY - nextX = x + item.sizeHint().width() + spaceX - lineHeight = 0 - - if not testOnly: - item.setGeometry(QtCore.QRect(QtCore.QPoint(x, y), item.sizeHint())) - - x = nextX - lineHeight = max(lineHeight, item.sizeHint().height()) - - return y + lineHeight - rect.y() - - -if __name__ == '__main__': - - import sys - - app = QtWidgets.QApplication(sys.argv) - mainWin = Window() - mainWin.show() - sys.exit(app.exec_()) |