diff options
Diffstat (limited to 'examples/graphicsview/diagramscene/diagramscene.py')
| -rwxr-xr-x | examples/graphicsview/diagramscene/diagramscene.py | 173 |
1 files changed, 105 insertions, 68 deletions
diff --git a/examples/graphicsview/diagramscene/diagramscene.py b/examples/graphicsview/diagramscene/diagramscene.py index 51c38b0..ea0af84 100755 --- a/examples/graphicsview/diagramscene/diagramscene.py +++ b/examples/graphicsview/diagramscene/diagramscene.py @@ -1,17 +1,54 @@ #!/usr/bin/env python -# This is only needed for Python v2 but is harmless for Python v3. -#import sip -#sip.setapi('QString', 2) +############################################################################# +## +## 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 PySide 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." +## +## $QT_END_LICENSE$ +## +############################################################################# import math -from PySide2 import QtCore, QtGui +from PySide2 import QtCore, QtGui, QtWidgets import diagramscene_rc -class Arrow(QtGui.QGraphicsLineItem): +class Arrow(QtWidgets.QGraphicsLineItem): def __init__(self, startItem, endItem, parent=None, scene=None): super(Arrow, self).__init__(parent, scene) @@ -19,7 +56,7 @@ class Arrow(QtGui.QGraphicsLineItem): self.myStartItem = startItem self.myEndItem = endItem - self.setFlag(QtGui.QGraphicsItem.ItemIsSelectable, True) + self.setFlag(QtWidgets.QGraphicsItem.ItemIsSelectable, True) self.myColor = QtCore.Qt.black self.setPen(QtGui.QPen(self.myColor, 2, QtCore.Qt.SolidLine, QtCore.Qt.RoundCap, QtCore.Qt.RoundJoin)) @@ -101,19 +138,19 @@ class Arrow(QtGui.QGraphicsLineItem): painter.drawLine(myLine) -class DiagramTextItem(QtGui.QGraphicsTextItem): - lostFocus = QtCore.Signal(QtGui.QGraphicsTextItem) +class DiagramTextItem(QtWidgets.QGraphicsTextItem): + lostFocus = QtCore.Signal(QtWidgets.QGraphicsTextItem) - selectedChange = QtCore.Signal(QtGui.QGraphicsItem) + selectedChange = QtCore.Signal(QtWidgets.QGraphicsItem) def __init__(self, parent=None, scene=None): super(DiagramTextItem, self).__init__(parent, scene) - self.setFlag(QtGui.QGraphicsItem.ItemIsMovable) - self.setFlag(QtGui.QGraphicsItem.ItemIsSelectable) + self.setFlag(QtWidgets.QGraphicsItem.ItemIsMovable) + self.setFlag(QtWidgets.QGraphicsItem.ItemIsSelectable) def itemChange(self, change, value): - if change == QtGui.QGraphicsItem.ItemSelectedChange: + if change == QtWidgets.QGraphicsItem.ItemSelectedChange: self.selectedChange.emit(self) return value @@ -128,7 +165,7 @@ class DiagramTextItem(QtGui.QGraphicsTextItem): super(DiagramTextItem, self).mouseDoubleClickEvent(event) -class DiagramItem(QtGui.QGraphicsPolygonItem): +class DiagramItem(QtWidgets.QGraphicsPolygonItem): Step, Conditional, StartEnd, Io = range(4) def __init__(self, diagramType, contextMenu, parent=None, scene=None): @@ -165,8 +202,8 @@ class DiagramItem(QtGui.QGraphicsPolygonItem): QtCore.QPointF(-120, -80)]) self.setPolygon(self.myPolygon) - self.setFlag(QtGui.QGraphicsItem.ItemIsMovable, True) - self.setFlag(QtGui.QGraphicsItem.ItemIsSelectable, True) + self.setFlag(QtWidgets.QGraphicsItem.ItemIsMovable, True) + self.setFlag(QtWidgets.QGraphicsItem.ItemIsSelectable, True) def removeArrow(self, arrow): try: @@ -198,21 +235,21 @@ class DiagramItem(QtGui.QGraphicsPolygonItem): self.myContextMenu.exec_(event.screenPos()) def itemChange(self, change, value): - if change == QtGui.QGraphicsItem.ItemPositionChange: + if change == QtWidgets.QGraphicsItem.ItemPositionChange: for arrow in self.arrows: arrow.updatePosition() return value -class DiagramScene(QtGui.QGraphicsScene): +class DiagramScene(QtWidgets.QGraphicsScene): InsertItem, InsertLine, InsertText, MoveItem = range(4) itemInserted = QtCore.Signal(DiagramItem) - textInserted = QtCore.Signal(QtGui.QGraphicsTextItem) + textInserted = QtCore.Signal(QtWidgets.QGraphicsTextItem) - itemSelected = QtCore.Signal(QtGui.QGraphicsItem) + itemSelected = QtCore.Signal(QtWidgets.QGraphicsItem) def __init__(self, itemMenu, parent=None): super(DiagramScene, self).__init__(parent) @@ -278,7 +315,7 @@ class DiagramScene(QtGui.QGraphicsScene): item.setPos(mouseEvent.scenePos()) self.itemInserted.emit(item) elif self.myMode == self.InsertLine: - self.line = QtGui.QGraphicsLineItem(QtCore.QLineF(mouseEvent.scenePos(), + self.line = QtWidgets.QGraphicsLineItem(QtCore.QLineF(mouseEvent.scenePos(), mouseEvent.scenePos())) self.line.setPen(QtGui.QPen(self.myLineColor, 2)) self.addItem(self.line) @@ -339,7 +376,7 @@ class DiagramScene(QtGui.QGraphicsScene): return False -class MainWindow(QtGui.QMainWindow): +class MainWindow(QtWidgets.QMainWindow): InsertTextButton = 10 def __init__(self): @@ -357,12 +394,12 @@ class MainWindow(QtGui.QMainWindow): self.createToolbars() - layout = QtGui.QHBoxLayout() + layout = QtWidgets.QHBoxLayout() layout.addWidget(self.toolBox) - self.view = QtGui.QGraphicsView(self.scene) + self.view = QtWidgets.QGraphicsView(self.scene) layout.addWidget(self.view) - self.widget = QtGui.QWidget() + self.widget = QtWidgets.QWidget() self.widget.setLayout(layout) self.setCentralWidget(self.widget) @@ -508,15 +545,15 @@ class MainWindow(QtGui.QMainWindow): self.underlineAction.setChecked(font.underline()) def about(self): - QtGui.QMessageBox.about(self, "About Diagram Scene", + QtWidgets.QMessageBox.about(self, "About Diagram Scene", "The <b>Diagram Scene</b> example shows use of the graphics framework.") def createToolBox(self): - self.buttonGroup = QtGui.QButtonGroup() + self.buttonGroup = QtWidgets.QButtonGroup() self.buttonGroup.setExclusive(False) self.buttonGroup.buttonClicked[int].connect(self.buttonGroupClicked) - layout = QtGui.QGridLayout() + layout = QtWidgets.QGridLayout() layout.addWidget(self.createCellWidget("Conditional", DiagramItem.Conditional), 0, 0) layout.addWidget(self.createCellWidget("Process", DiagramItem.Step), 0, @@ -524,31 +561,31 @@ class MainWindow(QtGui.QMainWindow): layout.addWidget(self.createCellWidget("Input/Output", DiagramItem.Io), 1, 0) - textButton = QtGui.QToolButton() + textButton = QtWidgets.QToolButton() textButton.setCheckable(True) self.buttonGroup.addButton(textButton, self.InsertTextButton) textButton.setIcon(QtGui.QIcon(QtGui.QPixmap(':/images/textpointer.png') .scaled(30, 30))) textButton.setIconSize(QtCore.QSize(50, 50)) - textLayout = QtGui.QGridLayout() + textLayout = QtWidgets.QGridLayout() textLayout.addWidget(textButton, 0, 0, QtCore.Qt.AlignHCenter) - textLayout.addWidget(QtGui.QLabel("Text"), 1, 0, + textLayout.addWidget(QtWidgets.QLabel("Text"), 1, 0, QtCore.Qt.AlignCenter) - textWidget = QtGui.QWidget() + textWidget = QtWidgets.QWidget() textWidget.setLayout(textLayout) layout.addWidget(textWidget, 1, 1) layout.setRowStretch(3, 10) layout.setColumnStretch(2, 10) - itemWidget = QtGui.QWidget() + itemWidget = QtWidgets.QWidget() itemWidget.setLayout(layout) - self.backgroundButtonGroup = QtGui.QButtonGroup() + self.backgroundButtonGroup = QtWidgets.QButtonGroup() self.backgroundButtonGroup.buttonClicked.connect(self.backgroundButtonGroupClicked) - backgroundLayout = QtGui.QGridLayout() + backgroundLayout = QtWidgets.QGridLayout() backgroundLayout.addWidget(self.createBackgroundCellWidget("Blue Grid", ':/images/background1.png'), 0, 0) backgroundLayout.addWidget(self.createBackgroundCellWidget("White Grid", @@ -561,48 +598,48 @@ class MainWindow(QtGui.QMainWindow): backgroundLayout.setRowStretch(2, 10) backgroundLayout.setColumnStretch(2, 10) - backgroundWidget = QtGui.QWidget() + backgroundWidget = QtWidgets.QWidget() backgroundWidget.setLayout(backgroundLayout) - self.toolBox = QtGui.QToolBox() - self.toolBox.setSizePolicy(QtGui.QSizePolicy(QtGui.QSizePolicy.Maximum, QtGui.QSizePolicy.Ignored)) + self.toolBox = QtWidgets.QToolBox() + self.toolBox.setSizePolicy(QtWidgets.QSizePolicy(QtWidgets.QSizePolicy.Maximum, QtWidgets.QSizePolicy.Ignored)) self.toolBox.setMinimumWidth(itemWidget.sizeHint().width()) self.toolBox.addItem(itemWidget, "Basic Flowchart Shapes") self.toolBox.addItem(backgroundWidget, "Backgrounds") def createActions(self): - self.toFrontAction = QtGui.QAction( + self.toFrontAction = QtWidgets.QAction( QtGui.QIcon(':/images/bringtofront.png'), "Bring to &Front", self, shortcut="Ctrl+F", statusTip="Bring item to front", triggered=self.bringToFront) - self.sendBackAction = QtGui.QAction( + self.sendBackAction = QtWidgets.QAction( QtGui.QIcon(':/images/sendtoback.png'), "Send to &Back", self, shortcut="Ctrl+B", statusTip="Send item to back", triggered=self.sendToBack) - self.deleteAction = QtGui.QAction(QtGui.QIcon(':/images/delete.png'), + self.deleteAction = QtWidgets.QAction(QtGui.QIcon(':/images/delete.png'), "&Delete", self, shortcut="Delete", statusTip="Delete item from diagram", triggered=self.deleteItem) - self.exitAction = QtGui.QAction("E&xit", self, shortcut="Ctrl+X", + self.exitAction = QtWidgets.QAction("E&xit", self, shortcut="Ctrl+X", statusTip="Quit Scenediagram example", triggered=self.close) - self.boldAction = QtGui.QAction(QtGui.QIcon(':/images/bold.png'), + self.boldAction = QtWidgets.QAction(QtGui.QIcon(':/images/bold.png'), "Bold", self, checkable=True, shortcut="Ctrl+B", triggered=self.handleFontChange) - self.italicAction = QtGui.QAction(QtGui.QIcon(':/images/italic.png'), + self.italicAction = QtWidgets.QAction(QtGui.QIcon(':/images/italic.png'), "Italic", self, checkable=True, shortcut="Ctrl+I", triggered=self.handleFontChange) - self.underlineAction = QtGui.QAction( + self.underlineAction = QtWidgets.QAction( QtGui.QIcon(':/images/underline.png'), "Underline", self, checkable=True, shortcut="Ctrl+U", triggered=self.handleFontChange) - self.aboutAction = QtGui.QAction("A&bout", self, shortcut="Ctrl+B", + self.aboutAction = QtWidgets.QAction("A&bout", self, shortcut="Ctrl+B", triggered=self.about) def createMenus(self): @@ -624,10 +661,10 @@ class MainWindow(QtGui.QMainWindow): self.editToolBar.addAction(self.toFrontAction) self.editToolBar.addAction(self.sendBackAction) - self.fontCombo = QtGui.QFontComboBox() + self.fontCombo = QtWidgets.QFontComboBox() self.fontCombo.currentFontChanged.connect(self.currentFontChanged) - self.fontSizeCombo = QtGui.QComboBox() + self.fontSizeCombo = QtWidgets.QComboBox() self.fontSizeCombo.setEditable(True) for i in range(8, 30, 2): self.fontSizeCombo.addItem(str(i)) @@ -635,8 +672,8 @@ class MainWindow(QtGui.QMainWindow): self.fontSizeCombo.setValidator(validator) self.fontSizeCombo.currentIndexChanged.connect(self.fontSizeChanged) - self.fontColorToolButton = QtGui.QToolButton() - self.fontColorToolButton.setPopupMode(QtGui.QToolButton.MenuButtonPopup) + self.fontColorToolButton = QtWidgets.QToolButton() + self.fontColorToolButton.setPopupMode(QtWidgets.QToolButton.MenuButtonPopup) self.fontColorToolButton.setMenu( self.createColorMenu(self.textColorChanged, QtCore.Qt.black)) self.textAction = self.fontColorToolButton.menu().defaultAction() @@ -646,8 +683,8 @@ class MainWindow(QtGui.QMainWindow): self.fontColorToolButton.setAutoFillBackground(True) self.fontColorToolButton.clicked.connect(self.textButtonTriggered) - self.fillColorToolButton = QtGui.QToolButton() - self.fillColorToolButton.setPopupMode(QtGui.QToolButton.MenuButtonPopup) + self.fillColorToolButton = QtWidgets.QToolButton() + self.fillColorToolButton.setPopupMode(QtWidgets.QToolButton.MenuButtonPopup) self.fillColorToolButton.setMenu( self.createColorMenu(self.itemColorChanged, QtCore.Qt.white)) self.fillAction = self.fillColorToolButton.menu().defaultAction() @@ -656,8 +693,8 @@ class MainWindow(QtGui.QMainWindow): QtCore.Qt.white)) self.fillColorToolButton.clicked.connect(self.fillButtonTriggered) - self.lineColorToolButton = QtGui.QToolButton() - self.lineColorToolButton.setPopupMode(QtGui.QToolButton.MenuButtonPopup) + self.lineColorToolButton = QtWidgets.QToolButton() + self.lineColorToolButton.setPopupMode(QtWidgets.QToolButton.MenuButtonPopup) self.lineColorToolButton.setMenu( self.createColorMenu(self.lineColorChanged, QtCore.Qt.black)) self.lineAction = self.lineColorToolButton.menu().defaultAction() @@ -678,21 +715,21 @@ class MainWindow(QtGui.QMainWindow): self.colorToolBar.addWidget(self.fillColorToolButton) self.colorToolBar.addWidget(self.lineColorToolButton) - pointerButton = QtGui.QToolButton() + pointerButton = QtWidgets.QToolButton() pointerButton.setCheckable(True) pointerButton.setChecked(True) pointerButton.setIcon(QtGui.QIcon(':/images/pointer.png')) - linePointerButton = QtGui.QToolButton() + linePointerButton = QtWidgets.QToolButton() linePointerButton.setCheckable(True) linePointerButton.setIcon(QtGui.QIcon(':/images/linepointer.png')) - self.pointerTypeGroup = QtGui.QButtonGroup() + self.pointerTypeGroup = QtWidgets.QButtonGroup() self.pointerTypeGroup.addButton(pointerButton, DiagramScene.MoveItem) self.pointerTypeGroup.addButton(linePointerButton, DiagramScene.InsertLine) self.pointerTypeGroup.buttonClicked[int].connect(self.pointerGroupClicked) - self.sceneScaleCombo = QtGui.QComboBox() + self.sceneScaleCombo = QtWidgets.QComboBox() self.sceneScaleCombo.addItems(["50%", "75%", "100%", "125%", "150%"]) self.sceneScaleCombo.setCurrentIndex(2) self.sceneScaleCombo.currentIndexChanged[str].connect(self.sceneScaleChanged) @@ -703,18 +740,18 @@ class MainWindow(QtGui.QMainWindow): self.pointerToolbar.addWidget(self.sceneScaleCombo) def createBackgroundCellWidget(self, text, image): - button = QtGui.QToolButton() + button = QtWidgets.QToolButton() button.setText(text) button.setIcon(QtGui.QIcon(image)) button.setIconSize(QtCore.QSize(50, 50)) button.setCheckable(True) self.backgroundButtonGroup.addButton(button) - layout = QtGui.QGridLayout() + layout = QtWidgets.QGridLayout() layout.addWidget(button, 0, 0, QtCore.Qt.AlignHCenter) - layout.addWidget(QtGui.QLabel(text), 1, 0, QtCore.Qt.AlignCenter) + layout.addWidget(QtWidgets.QLabel(text), 1, 0, QtCore.Qt.AlignCenter) - widget = QtGui.QWidget() + widget = QtWidgets.QWidget() widget.setLayout(layout) return widget @@ -723,17 +760,17 @@ class MainWindow(QtGui.QMainWindow): item = DiagramItem(diagramType, self.itemMenu) icon = QtGui.QIcon(item.image()) - button = QtGui.QToolButton() + button = QtWidgets.QToolButton() button.setIcon(icon) button.setIconSize(QtCore.QSize(50, 50)) button.setCheckable(True) self.buttonGroup.addButton(button, diagramType) - layout = QtGui.QGridLayout() + layout = QtWidgets.QGridLayout() layout.addWidget(button, 0, 0, QtCore.Qt.AlignHCenter) - layout.addWidget(QtGui.QLabel(text), 1, 0, QtCore.Qt.AlignCenter) + layout.addWidget(QtWidgets.QLabel(text), 1, 0, QtCore.Qt.AlignCenter) - widget = QtGui.QWidget() + widget = QtWidgets.QWidget() widget.setLayout(layout) return widget @@ -742,9 +779,9 @@ class MainWindow(QtGui.QMainWindow): colors = [QtCore.Qt.black, QtCore.Qt.white, QtCore.Qt.red, QtCore.Qt.blue, QtCore.Qt.yellow] names = ["black", "white", "red", "blue", "yellow"] - colorMenu = QtGui.QMenu(self) + colorMenu = QtWidgets.QMenu(self) for color, name in zip(colors, names): - action = QtGui.QAction(self.createColorIcon(color), name, self, + action = QtWidgets.QAction(self.createColorIcon(color), name, self, triggered=slot) action.setData(QtGui.QColor(color)) colorMenu.addAction(action) @@ -779,7 +816,7 @@ if __name__ == '__main__': import sys - app = QtGui.QApplication(sys.argv) + app = QtWidgets.QApplication(sys.argv) mainWindow = MainWindow() mainWindow.setGeometry(100, 100, 800, 500) |