class MainWindow(QMainWindow):
InsertTextButton = 10
def __init__(self):
super(MainWindow, self).__init__()
self.createActions()
self.createMenus()
self.createToolBox()
self.scene = DiagramScene(self.itemMenu)
self.scene.setSceneRect(QRectF(0, 0, 5000, 5000))
self.scene.itemInserted.connect(self.itemInserted)
self.scene.textInserted.connect(self.textInserted)
self.scene.itemSelected.connect(self.itemSelected)
self.createToolbars()
layout = QHBoxLayout()
layout.addWidget(self.toolBox)
self.view = QGraphicsView(self.scene)
layout.addWidget(self.view)
self.widget = QWidget()
self.widget.setLayout(layout)
self.setCentralWidget(self.widget)
self.setWindowTitle("Diagramscene")
def backgroundButtonGroupClicked(self, button):
buttons = self.backgroundButtonGroup.buttons()
for myButton in buttons:
if myButton != button:
button.setChecked(False)
text = button.text()
if text == "Blue Grid":
self.scene.setBackgroundBrush(
QBrush(QPixmap(':/images/background1.png')))
elif text == "White Grid":
self.scene.setBackgroundBrush(
QBrush(QPixmap(':/images/background2.png')))
elif text == "Gray Grid":
self.scene.setBackgroundBrush(
QBrush(QPixmap(':/images/background3.png')))
else:
self.scene.setBackgroundBrush(
QBrush(QPixmap(':/images/background4.png')))
self.scene.update()
self.view.update()
def buttonGroupClicked(self, id):
buttons = self.buttonGroup.buttons()
for button in buttons:
if self.buttonGroup.button(id) != button:
button.setChecked(False)
if id == self.InsertTextButton:
self.scene.setMode(DiagramScene.InsertText)
else:
self.scene.setItemType(id)
self.scene.setMode(DiagramScene.InsertItem)
def deleteItem(self):
for item in self.scene.selectedItems():
if isinstance(item, DiagramItem):
item.removeArrows()
self.scene.removeItem(item)
def pointerGroupClicked(self, i):
self.scene.setMode(self.pointerTypeGroup.checkedId())
def bringToFront(self):
if not self.scene.selectedItems():
return
selectedItem = self.scene.selectedItems()[0]
overlapItems = selectedItem.collidingItems()
zValue = 0
for item in overlapItems:
if (item.zValue() >= zValue and isinstance(item, DiagramItem)):
zValue = item.zValue() + 0.1
selectedItem.setZValue(zValue)
def sendToBack(self):
if not self.scene.selectedItems():
return
selectedItem = self.scene.selectedItems()[0]
overlapItems = selectedItem.collidingItems()
zValue = 0
for item in overlapItems:
if (item.zValue() <= zValue and isinstance(item, DiagramItem)):
zValue = item.zValue() - 0.1
selectedItem.setZValue(zValue)
def itemInserted(self, item):
self.pointerTypeGroup.button(DiagramScene.MoveItem).setChecked(True)
self.scene.setMode(self.pointerTypeGroup.checkedId())
self.buttonGroup.button(item.diagramType).setChecked(False)
def textInserted(self, item):
self.buttonGroup.button(self.InsertTextButton).setChecked(False)
self.scene.setMode(self.pointerTypeGroup.checkedId())
def currentFontChanged(self, font):
self.handleFontChange()
def fontSizeChanged(self, font):
self.handleFontChange()
def sceneScaleChanged(self, scale):
newScale = scale.left(scale.indexOf("%")).toDouble()[0] / 100.0
oldMatrix = self.view.matrix()
self.view.resetMatrix()
self.view.translate(oldMatrix.dx(), oldMatrix.dy())
self.view.scale(newScale, newScale)
def textColorChanged(self):
self.textAction = self.sender()
self.fontColorToolButton.setIcon(
self.createColorToolButtonIcon(':/images/textpointer.png',
QColor(self.textAction.data())))
self.textButtonTriggered()
def itemColorChanged(self):
self.fillAction = self.sender()
self.fillColorToolButton.setIcon(
self.createColorToolButtonIcon(':/images/floodfill.png',
QColor(self.fillAction.data())))
self.fillButtonTriggered()
def lineColorChanged(self):
self.lineAction = self.sender()
self.lineColorToolButton.setIcon(
self.createColorToolButtonIcon(':/images/linecolor.png',
QColor(self.lineAction.data())))
self.lineButtonTriggered()
def textButtonTriggered(self):
self.scene.setTextColor(QColor(self.textAction.data()))
def fillButtonTriggered(self):
self.scene.setItemColor(QColor(self.fillAction.data()))
def lineButtonTriggered(self):
self.scene.setLineColor(QColor(self.lineAction.data()))
def handleFontChange(self):
font = self.fontCombo.currentFont()
font.setPointSize(self.fontSizeCombo.currentText().toInt()[0])
if self.boldAction.isChecked():
font.setWeight(QFont.Bold)
else:
font.setWeight(QFont.Normal)
font.setItalic(self.italicAction.isChecked())
font.setUnderline(self.underlineAction.isChecked())
self.scene.setFont(font)
def itemSelected(self, item):
font = item.font()
color = item.defaultTextColor()
self.fontCombo.setCurrentFont(font)
self.fontSizeCombo.setEditText(str(font.pointSize()))
self.boldAction.setChecked(font.weight() == QFont.Bold)
self.italicAction.setChecked(font.italic())
self.underlineAction.setChecked(font.underline())
def about(self):
QMessageBox.about(
self, "About Diagram Scene",
"The <b>Diagram Scene</b> example shows use of the graphics framework."
)
def createToolBox(self):
self.buttonGroup = QButtonGroup()
self.buttonGroup.setExclusive(False)
self.buttonGroup.buttonClicked[int].connect(self.buttonGroupClicked)
layout = QGridLayout()
layout.addWidget(
self.createCellWidget("Conditional", DiagramItem.Conditional), 0,
0)
layout.addWidget(self.createCellWidget("Process", DiagramItem.Step), 0,
1)
layout.addWidget(self.createCellWidget("Input/Output", DiagramItem.Io),
1, 0)
textButton = QToolButton()
textButton.setCheckable(True)
self.buttonGroup.addButton(textButton, self.InsertTextButton)
textButton.setIcon(
QIcon(QPixmap(':/images/textpointer.png').scaled(30, 30)))
textButton.setIconSize(QSize(50, 50))
textLayout = QGridLayout()
textLayout.addWidget(textButton, 0, 0, Qt.AlignHCenter)
textLayout.addWidget(QLabel("Text"), 1, 0, Qt.AlignCenter)
textWidget = QWidget()
textWidget.setLayout(textLayout)
layout.addWidget(textWidget, 1, 1)
layout.setRowStretch(3, 10)
layout.setColumnStretch(2, 10)
itemWidget = QWidget()
itemWidget.setLayout(layout)
self.backgroundButtonGroup = QButtonGroup()
self.backgroundButtonGroup.buttonClicked.connect(
self.backgroundButtonGroupClicked)
backgroundLayout = QGridLayout()
backgroundLayout.addWidget(
self.createBackgroundCellWidget("Blue Grid",
':/images/background1.png'), 0, 0)
backgroundLayout.addWidget(
self.createBackgroundCellWidget("White Grid",
':/images/background2.png'), 0, 1)
backgroundLayout.addWidget(
self.createBackgroundCellWidget("Gray Grid",
':/images/background3.png'), 1, 0)
backgroundLayout.addWidget(
self.createBackgroundCellWidget("No Grid",
':/images/background4.png'), 1, 1)
backgroundLayout.setRowStretch(2, 10)
backgroundLayout.setColumnStretch(2, 10)
backgroundWidget = QWidget()
backgroundWidget.setLayout(backgroundLayout)
self.toolBox = QToolBox()
self.toolBox.setSizePolicy(
QSizePolicy(QSizePolicy.Maximum, 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 = QAction(QIcon(':/images/bringtofront.png'),
"Bring to &Front",
self,
shortcut="Ctrl+F",
statusTip="Bring item to front",
triggered=self.bringToFront)
self.sendBackAction = QAction(QIcon(':/images/sendtoback.png'),
"Send to &Back",
self,
shortcut="Ctrl+B",
statusTip="Send item to back",
triggered=self.sendToBack)
self.deleteAction = QAction(QIcon(':/images/delete.png'),
"&Delete",
self,
shortcut="Delete",
statusTip="Delete item from diagram",
triggered=self.deleteItem)
self.exitAction = QAction("E&xit",
self,
shortcut="Ctrl+X",
statusTip="Quit Scenediagram example",
triggered=self.close)
self.boldAction = QAction(QIcon(':/images/bold.png'),
"Bold",
self,
checkable=True,
shortcut="Ctrl+B",
triggered=self.handleFontChange)
self.italicAction = QAction(QIcon(':/images/italic.png'),
"Italic",
self,
checkable=True,
shortcut="Ctrl+I",
triggered=self.handleFontChange)
self.underlineAction = QAction(QIcon(':/images/underline.png'),
"Underline",
self,
checkable=True,
shortcut="Ctrl+U",
triggered=self.handleFontChange)
self.aboutAction = QAction("A&bout",
self,
shortcut="Ctrl+B",
triggered=self.about)
def createMenus(self):
self.fileMenu = self.menuBar().addMenu("&File")
self.fileMenu.addAction(self.exitAction)
self.itemMenu = self.menuBar().addMenu("&Item")
self.itemMenu.addAction(self.deleteAction)
self.itemMenu.addSeparator()
self.itemMenu.addAction(self.toFrontAction)
self.itemMenu.addAction(self.sendBackAction)
self.aboutMenu = self.menuBar().addMenu("&Help")
self.aboutMenu.addAction(self.aboutAction)
def createToolbars(self):
self.editToolBar = self.addToolBar("Edit")
self.editToolBar.addAction(self.deleteAction)
self.editToolBar.addAction(self.toFrontAction)
self.editToolBar.addAction(self.sendBackAction)
self.fontCombo = QFontComboBox()
self.fontCombo.currentFontChanged.connect(self.currentFontChanged)
self.fontSizeCombo = QComboBox()
self.fontSizeCombo.setEditable(True)
for i in range(8, 30, 2):
self.fontSizeCombo.addItem(str(i))
validator = QIntValidator(2, 64, self)
self.fontSizeCombo.setValidator(validator)
self.fontSizeCombo.currentIndexChanged.connect(self.fontSizeChanged)
self.fontColorToolButton = QToolButton()
self.fontColorToolButton.setPopupMode(QToolButton.MenuButtonPopup)
self.fontColorToolButton.setMenu(
self.createColorMenu(self.textColorChanged, Qt.black))
self.textAction = self.fontColorToolButton.menu().defaultAction()
self.fontColorToolButton.setIcon(
self.createColorToolButtonIcon(':/images/textpointer.png',
Qt.black))
self.fontColorToolButton.setAutoFillBackground(True)
self.fontColorToolButton.clicked.connect(self.textButtonTriggered)
self.fillColorToolButton = QToolButton()
self.fillColorToolButton.setPopupMode(QToolButton.MenuButtonPopup)
self.fillColorToolButton.setMenu(
self.createColorMenu(self.itemColorChanged, Qt.white))
self.fillAction = self.fillColorToolButton.menu().defaultAction()
self.fillColorToolButton.setIcon(
self.createColorToolButtonIcon(':/images/floodfill.png', Qt.white))
self.fillColorToolButton.clicked.connect(self.fillButtonTriggered)
self.lineColorToolButton = QToolButton()
self.lineColorToolButton.setPopupMode(QToolButton.MenuButtonPopup)
self.lineColorToolButton.setMenu(
self.createColorMenu(self.lineColorChanged, Qt.black))
self.lineAction = self.lineColorToolButton.menu().defaultAction()
self.lineColorToolButton.setIcon(
self.createColorToolButtonIcon(':/images/linecolor.png', Qt.black))
self.lineColorToolButton.clicked.connect(self.lineButtonTriggered)
self.textToolBar = self.addToolBar("Font")
self.textToolBar.addWidget(self.fontCombo)
self.textToolBar.addWidget(self.fontSizeCombo)
self.textToolBar.addAction(self.boldAction)
self.textToolBar.addAction(self.italicAction)
self.textToolBar.addAction(self.underlineAction)
self.colorToolBar = self.addToolBar("Color")
self.colorToolBar.addWidget(self.fontColorToolButton)
self.colorToolBar.addWidget(self.fillColorToolButton)
self.colorToolBar.addWidget(self.lineColorToolButton)
pointerButton = QToolButton()
pointerButton.setCheckable(True)
pointerButton.setChecked(True)
pointerButton.setIcon(QIcon(':/images/pointer.png'))
linePointerButton = QToolButton()
linePointerButton.setCheckable(True)
linePointerButton.setIcon(QIcon(':/images/linepointer.png'))
self.pointerTypeGroup = QButtonGroup()
self.pointerTypeGroup.addButton(pointerButton, DiagramScene.MoveItem)
self.pointerTypeGroup.addButton(linePointerButton,
DiagramScene.InsertLine)
self.pointerTypeGroup.buttonClicked[int].connect(
self.pointerGroupClicked)
self.sceneScaleCombo = QComboBox()
self.sceneScaleCombo.addItems(["50%", "75%", "100%", "125%", "150%"])
self.sceneScaleCombo.setCurrentIndex(2)
self.sceneScaleCombo.currentIndexChanged[str].connect(
self.sceneScaleChanged)
self.pointerToolbar = self.addToolBar("Pointer type")
self.pointerToolbar.addWidget(pointerButton)
self.pointerToolbar.addWidget(linePointerButton)
self.pointerToolbar.addWidget(self.sceneScaleCombo)
def createBackgroundCellWidget(self, text, image):
button = QToolButton()
button.setText(text)
button.setIcon(QIcon(image))
button.setIconSize(QSize(50, 50))
button.setCheckable(True)
self.backgroundButtonGroup.addButton(button)
layout = QGridLayout()
layout.addWidget(button, 0, 0, Qt.AlignHCenter)
layout.addWidget(QLabel(text), 1, 0, Qt.AlignCenter)
widget = QWidget()
widget.setLayout(layout)
return widget
def createCellWidget(self, text, diagramType):
item = DiagramItem(diagramType, self.itemMenu)
icon = QIcon(item.image())
button = QToolButton()
button.setIcon(icon)
button.setIconSize(QSize(50, 50))
button.setCheckable(True)
self.buttonGroup.addButton(button, diagramType)
layout = QGridLayout()
layout.addWidget(button, 0, 0, Qt.AlignHCenter)
layout.addWidget(QLabel(text), 1, 0, Qt.AlignCenter)
widget = QWidget()
widget.setLayout(layout)
return widget
def createColorMenu(self, slot, defaultColor):
colors = [Qt.black, Qt.white, Qt.red, Qt.blue, Qt.yellow]
names = ["black", "white", "red", "blue", "yellow"]
colorMenu = QMenu(self)
for color, name in zip(colors, names):
action = QAction(self.createColorIcon(color),
name,
self,
triggered=slot)
action.setData(QColor(color))
colorMenu.addAction(action)
if color == defaultColor:
colorMenu.setDefaultAction(action)
return colorMenu
def createColorToolButtonIcon(self, imageFile, color):
pixmap = QPixmap(50, 80)
pixmap.fill(Qt.transparent)
painter = QPainter(pixmap)
image = QPixmap(imageFile)
target = QRect(0, 0, 50, 60)
source = QRect(0, 0, 42, 42)
painter.fillRect(QRect(0, 60, 50, 80), color)
painter.drawPixmap(target, image, source)
painter.end()
return QIcon(pixmap)
def createColorIcon(self, color):
pixmap = QPixmap(20, 20)
painter = QPainter(pixmap)
painter.setPen(Qt.NoPen)
painter.fillRect(QRect(0, 0, 20, 20), color)
painter.end()
return QIcon(pixmap)
class MainWindow(QMainWindow):
def __init__(self):
super(MainWindow, self).__init__()
self.createActions()
self.createMenus()
self.createToolBox()
self.createStatusBar()
self.scene = ITGScene(self.itemMenu)
self.scene.setSceneRect(QRectF(0, 0, 5000, 5000))
self.scene.itemInserted.connect(self.itemInserted)
self.scene.itemSelected.connect(self.itemSelected)
# ================================================================
# THIS IS THE PROBLEM SECTION
# THIS CAUSES TypeError: native Qt signal is not callable
# To reproduce the error, run the program, click on one of the
# shapes, then click on the scene area
# ================================================================
self.scene.selectionChanged.connect(self.print_item_info) # this one doesn't work
self.createToolbars()
layout = QHBoxLayout()
layout.addWidget(self.toolBox)
self.view = QGraphicsView(self.scene) # view and scene established together
layout.addWidget(self.view)
self.widget = QWidget()
self.widget.setLayout(layout)
self.setCentralWidget(self.widget)
self.setWindowTitle("ITG: Illegitimate Template Generator")
#@pyqtSlot() # Adding this does not change the error
def print_item_info(self):
for item in self.scene.selectedItems():
print(item)
def buttonGroupClicked(self, id):
buttons = self.buttonGroup.buttons()
for button in buttons:
if self.buttonGroup.button(id) != button:
button.setChecked(False)
self.scene.setItemType(id)
self.scene.setMode(ITGScene.InsertItem)
self.updateStatusBar()
def deleteItem(self):
for item in self.scene.selectedItems():
self.scene.removeItem(item)
def pointerGroupClicked(self, i):
self.scene.setMode(self.pointerTypeGroup.checkedId())
self.updateStatusBar()
def bringToFront(self):
if not self.scene.selectedItems():
return
selectedItem = self.scene.selectedItems()[0]
overlapItems = selectedItem.collidingItems()
zValue = 0
for item in overlapItems:
if (item.zValue() >= zValue and isinstance(item, ITGItem)):
zValue = item.zValue() + 0.1
selectedItem.setZValue(zValue)
def sendToBack(self):
if not self.scene.selectedItems():
return
selectedItem = self.scene.selectedItems()[0]
overlapItems = selectedItem.collidingItems()
zValue = 0
for item in overlapItems:
if (item.zValue() <= zValue and isinstance(item, ITGItem)):
zValue = item.zValue() - 0.1
selectedItem.setZValue(zValue)
def itemInserted(self, item):
self.pointerTypeGroup.button(ITGScene.MoveItem).setChecked(True)
self.scene.setMode(self.pointerTypeGroup.checkedId())
self.updateStatusBar()
self.buttonGroup.button(item.ITGType).setChecked(False)
def sceneScaleChanged(self, scale):
newScale = scale.left(scale.indexOf("%")).toDouble()[0] / 100.0
oldMatrix = self.view.matrix()
self.view.resetMatrix()
self.view.translate(oldMatrix.dx(), oldMatrix.dy())
self.view.scale(newScale, newScale)
def itemColorChanged(self):
self.fillAction = self.sender()
self.fillColorToolButton.setIcon(
self.createColorToolButtonIcon( ':/images/floodfill.png',
QColor(self.fillAction.data())))
self.fillButtonTriggered()
def fillButtonTriggered(self):
self.scene.setItemColor(QColor(self.fillAction.data()))
def itemSelected(self, item):
font = item.font()
color = item.defaultTextColor()
self.fontCombo.setCurrentFont(font)
self.fontSizeCombo.setEditText(str(font.pointSize()))
self.boldAction.setChecked(font.weight() == QFont.Bold)
self.italicAction.setChecked(font.italic())
self.underlineAction.setChecked(font.underline())
def about(self):
QMessageBox.about(self, "About ITG Scene",
"The <b>ITG Scene</b> example shows use of the graphics framework.")
def createToolBox(self):
self.buttonGroup = QButtonGroup()
self.buttonGroup.setExclusive(False)
self.buttonGroup.buttonClicked[int].connect(self.buttonGroupClicked)
layout = QGridLayout()
layout.addWidget(self.createCellWidget("Diamond", ITGItem.Diamond),
0, 0)
layout.addWidget(self.createCellWidget("Square", ITGItem.Square), 0,
1)
layout.addWidget(self.createCellWidget("Parallelogram", ITGItem.Parallelogram),
1, 0)
layout.setRowStretch(3, 10)
layout.setColumnStretch(2, 10)
itemWidget = QWidget()
itemWidget.setLayout(layout)
self.backgroundButtonGroup = QButtonGroup()
self.toolBox = QToolBox()
self.toolBox.setSizePolicy(QSizePolicy(QSizePolicy.Maximum, QSizePolicy.Ignored))
self.toolBox.setMinimumWidth(itemWidget.sizeHint().width())
self.toolBox.addItem(itemWidget, "Basic Components")
def createActions(self):
self.toFrontAction = QAction(
QIcon(':/images/bringtofront.png'), "Bring to &Front",
self, shortcut="Ctrl+F", statusTip="Bring item to front",
triggered=self.bringToFront)
self.sendBackAction = QAction(
QIcon(':/images/sendtoback.png'), "Send to &Back", self,
shortcut="Ctrl+B", statusTip="Send item to back",
triggered=self.sendToBack)
self.deleteAction = QAction(QIcon(':/images/delete.png'),
"&Delete", self, shortcut="Delete",
statusTip="Delete item from ITG",
triggered=self.deleteItem)
self.exitAction = QAction("E&xit", self, shortcut="Ctrl+X",
statusTip="Quit SceneITG example", triggered=self.close)
self.aboutAction = QAction("A&bout", self, shortcut="Ctrl+B",
triggered=self.about)
def createMenus(self):
self.fileMenu = self.menuBar().addMenu("&File")
self.fileMenu.addAction(self.exitAction)
self.itemMenu = self.menuBar().addMenu("&Item")
self.itemMenu.addAction(self.deleteAction)
self.itemMenu.addSeparator()
self.itemMenu.addAction(self.toFrontAction)
self.itemMenu.addAction(self.sendBackAction)
self.aboutMenu = self.menuBar().addMenu("&Help")
self.aboutMenu.addAction(self.aboutAction)
def createToolbars(self):
self.editToolBar = self.addToolBar("Edit")
self.editToolBar.addAction(self.deleteAction)
self.editToolBar.addAction(self.toFrontAction)
self.editToolBar.addAction(self.sendBackAction)
self.fillColorToolButton = QToolButton()
self.fillColorToolButton.setPopupMode(QToolButton.MenuButtonPopup)
self.fillColorToolButton.setMenu(
self.createColorMenu(self.itemColorChanged, Qt.red))
self.fillAction = self.fillColorToolButton.menu().defaultAction()
self.fillColorToolButton.setIcon(
self.createColorToolButtonIcon(':/images/floodfill.png',
Qt.red))
self.fillColorToolButton.clicked.connect(self.fillButtonTriggered)
self.colorToolBar = self.addToolBar("Color")
self.colorToolBar.addWidget(self.fillColorToolButton)
pointerButton = QToolButton()
pointerButton.setCheckable(True)
pointerButton.setChecked(True)
pointerButton.setIcon(QIcon(':/images/pointer.png'))
self.pointerTypeGroup = QButtonGroup()
self.pointerTypeGroup.addButton(pointerButton, ITGScene.MoveItem)
self.pointerTypeGroup.buttonClicked[int].connect(self.pointerGroupClicked)
self.sceneScaleCombo = QComboBox()
self.sceneScaleCombo.addItems(["50%", "75%", "100%", "125%", "150%"])
self.sceneScaleCombo.setCurrentIndex(2)
self.sceneScaleCombo.currentIndexChanged[str].connect(self.sceneScaleChanged)
self.pointerToolbar = self.addToolBar("Pointer type")
self.pointerToolbar.addWidget(pointerButton)
self.pointerToolbar.addWidget(self.sceneScaleCombo)
def createBackgroundCellWidget(self, text, image):
button = QToolButton()
button.setText(text)
button.setIcon(QIcon(image))
button.setIconSize(QSize(50, 50))
button.setCheckable(True)
self.backgroundButtonGroup.addButton(button)
layout = QGridLayout()
layout.addWidget(button, 0, 0, Qt.AlignHCenter)
layout.addWidget(QLabel(text), 1, 0, Qt.AlignCenter)
widget = QWidget()
widget.setLayout(layout)
return widget
def createCellWidget(self, text, ITGType):
item = ITGItem(ITGType, self.itemMenu)
icon = QIcon(item.image())
button = QToolButton()
button.setIcon(icon)
button.setIconSize(QSize(50, 50))
button.setCheckable(True)
self.buttonGroup.addButton(button, ITGType)
layout = QGridLayout()
layout.addWidget(button, 0, 0, Qt.AlignHCenter)
layout.addWidget(QLabel(text), 1, 0, Qt.AlignCenter)
widget = QWidget()
widget.setLayout(layout)
return widget
def createColorMenu(self, slot, defaultColor):
colors = [Qt.black, Qt.white, Qt.red, Qt.blue, Qt.yellow]
names = ["black", "white", "red", "blue", "yellow"]
colorMenu = QMenu(self)
for color, name in zip(colors, names):
action = QAction(self.createColorIcon(color), name, self,
triggered=slot)
action.setData(QColor(color))
colorMenu.addAction(action)
if color == defaultColor:
colorMenu.setDefaultAction(action)
return colorMenu
def createColorToolButtonIcon(self, imageFile, color):
pixmap = QPixmap(50, 80)
pixmap.fill(Qt.transparent)
painter = QPainter(pixmap)
image = QPixmap(imageFile)
target = QRect(0, 0, 50, 60)
source = QRect(0, 0, 42, 42)
painter.fillRect(QRect(0, 60, 50, 80), color)
painter.drawPixmap(target, image, source)
painter.end()
return QIcon(pixmap)
def createColorIcon(self, color):
pixmap = QPixmap(20, 20)
painter = QPainter(pixmap)
painter.setPen(Qt.NoPen)
painter.fillRect(QRect(0, 0, 20, 20), color)
painter.end()
return QIcon(pixmap)
def createStatusBar(self):
self.sbar = self.statusBar()
self.lbl_mode = QLabel('Mode: not set')
self.sbar.addPermanentWidget(self.lbl_mode)
self.lbl_selection = QLabel('Sel: none')
self.sbar.addPermanentWidget(self.lbl_selection)
def updateStatusBar(self):
self.lbl_mode.setText('Mode: ' + self.scene.getMode())
#! This section is not working!!!
if len(self.scene.selectedItems()) == 0:
self.lbl_selection.setText('Sel: none')
elif len(self.scene.selectedItems()) == 1:
self.lbl_selection.setText('Sel: ' + self.scene.selectedItems()[0].get_ITGType_as_str())
elif len(self.scene.selectedItems()) > 1:
self.lbl_selection.setText('Sel: <multiple>')
class MainWindow(QMainWindow):
InsertTextButton = 10
def __init__(self):
super(MainWindow, self).__init__()
self.createActions()
self.createMenus()
self.createToolBox()
self.scene = DiagramScene(self.itemMenu)
self.scene.setSceneRect(QRectF(0, 0, 5000, 5000))
self.scene.itemInserted.connect(self.itemInserted)
self.scene.textInserted.connect(self.textInserted)
self.scene.itemSelected.connect(self.itemSelected)
self.createToolbars()
layout = QHBoxLayout()
layout.addWidget(self.toolBox)
self.view = QGraphicsView(self.scene)
layout.addWidget(self.view)
self.widget = QWidget()
self.widget.setLayout(layout)
self.setCentralWidget(self.widget)
self.setWindowTitle("Diagramscene")
def backgroundButtonGroupClicked(self, button):
buttons = self.backgroundButtonGroup.buttons()
for myButton in buttons:
if myButton != button:
button.setChecked(False)
text = button.text()
if text == "Blue Grid":
self.scene.setBackgroundBrush(QBrush(QPixmap(':/images/background1.png')))
elif text == "White Grid":
self.scene.setBackgroundBrush(QBrush(QPixmap(':/images/background2.png')))
elif text == "Gray Grid":
self.scene.setBackgroundBrush(QBrush(QPixmap(':/images/background3.png')))
else:
self.scene.setBackgroundBrush(QBrush(QPixmap(':/images/background4.png')))
self.scene.update()
self.view.update()
def buttonGroupClicked(self, id):
buttons = self.buttonGroup.buttons()
for button in buttons:
if self.buttonGroup.button(id) != button:
button.setChecked(False)
if id == self.InsertTextButton:
self.scene.setMode(DiagramScene.InsertText)
else:
self.scene.setItemType(id)
self.scene.setMode(DiagramScene.InsertItem)
def deleteItem(self):
for item in self.scene.selectedItems():
if isinstance(item, DiagramItem):
item.removeArrows()
self.scene.removeItem(item)
def pointerGroupClicked(self, i):
self.scene.setMode(self.pointerTypeGroup.checkedId())
def bringToFront(self):
if not self.scene.selectedItems():
return
selectedItem = self.scene.selectedItems()[0]
overlapItems = selectedItem.collidingItems()
zValue = 0
for item in overlapItems:
if (item.zValue() >= zValue and isinstance(item, DiagramItem)):
zValue = item.zValue() + 0.1
selectedItem.setZValue(zValue)
def sendToBack(self):
if not self.scene.selectedItems():
return
selectedItem = self.scene.selectedItems()[0]
overlapItems = selectedItem.collidingItems()
zValue = 0
for item in overlapItems:
if (item.zValue() <= zValue and isinstance(item, DiagramItem)):
zValue = item.zValue() - 0.1
selectedItem.setZValue(zValue)
def itemInserted(self, item):
self.pointerTypeGroup.button(DiagramScene.MoveItem).setChecked(True)
self.scene.setMode(self.pointerTypeGroup.checkedId())
self.buttonGroup.button(item.diagramType).setChecked(False)
def textInserted(self, item):
self.buttonGroup.button(self.InsertTextButton).setChecked(False)
self.scene.setMode(self.pointerTypeGroup.checkedId())
def currentFontChanged(self, font):
self.handleFontChange()
def fontSizeChanged(self, font):
self.handleFontChange()
def sceneScaleChanged(self, scale):
newScale = scale.left(scale.indexOf("%")).toDouble()[0] / 100.0
oldMatrix = self.view.matrix()
self.view.resetMatrix()
self.view.translate(oldMatrix.dx(), oldMatrix.dy())
self.view.scale(newScale, newScale)
def textColorChanged(self):
self.textAction = self.sender()
self.fontColorToolButton.setIcon(
self.createColorToolButtonIcon(':/images/textpointer.png',
QColor(self.textAction.data())))
self.textButtonTriggered()
def itemColorChanged(self):
self.fillAction = self.sender()
self.fillColorToolButton.setIcon(
self.createColorToolButtonIcon( ':/images/floodfill.png',
QColor(self.fillAction.data())))
self.fillButtonTriggered()
def lineColorChanged(self):
self.lineAction = self.sender()
self.lineColorToolButton.setIcon(
self.createColorToolButtonIcon(':/images/linecolor.png',
QColor(self.lineAction.data())))
self.lineButtonTriggered()
def textButtonTriggered(self):
self.scene.setTextColor(QColor(self.textAction.data()))
def fillButtonTriggered(self):
self.scene.setItemColor(QColor(self.fillAction.data()))
def lineButtonTriggered(self):
self.scene.setLineColor(QColor(self.lineAction.data()))
def handleFontChange(self):
font = self.fontCombo.currentFont()
font.setPointSize(self.fontSizeCombo.currentText().toInt()[0])
if self.boldAction.isChecked():
font.setWeight(QFont.Bold)
else:
font.setWeight(QFont.Normal)
font.setItalic(self.italicAction.isChecked())
font.setUnderline(self.underlineAction.isChecked())
self.scene.setFont(font)
def itemSelected(self, item):
font = item.font()
color = item.defaultTextColor()
self.fontCombo.setCurrentFont(font)
self.fontSizeCombo.setEditText(str(font.pointSize()))
self.boldAction.setChecked(font.weight() == QFont.Bold)
self.italicAction.setChecked(font.italic())
self.underlineAction.setChecked(font.underline())
def about(self):
QMessageBox.about(self, "About Diagram Scene",
"The <b>Diagram Scene</b> example shows use of the graphics framework.")
def createToolBox(self):
self.buttonGroup = QButtonGroup()
self.buttonGroup.setExclusive(False)
self.buttonGroup.buttonClicked[int].connect(self.buttonGroupClicked)
layout = QGridLayout()
layout.addWidget(self.createCellWidget("Conditional", DiagramItem.Conditional),
0, 0)
layout.addWidget(self.createCellWidget("Process", DiagramItem.Step), 0,
1)
layout.addWidget(self.createCellWidget("Input/Output", DiagramItem.Io),
1, 0)
textButton = QToolButton()
textButton.setCheckable(True)
self.buttonGroup.addButton(textButton, self.InsertTextButton)
textButton.setIcon(QIcon(QPixmap(':/images/textpointer.png').scaled(30, 30)))
textButton.setIconSize(QSize(50, 50))
textLayout = QGridLayout()
textLayout.addWidget(textButton, 0, 0, Qt.AlignHCenter)
textLayout.addWidget(QLabel("Text"), 1, 0, Qt.AlignCenter)
textWidget = QWidget()
textWidget.setLayout(textLayout)
layout.addWidget(textWidget, 1, 1)
layout.setRowStretch(3, 10)
layout.setColumnStretch(2, 10)
itemWidget = QWidget()
itemWidget.setLayout(layout)
self.backgroundButtonGroup = QButtonGroup()
self.backgroundButtonGroup.buttonClicked.connect(self.backgroundButtonGroupClicked)
backgroundLayout = QGridLayout()
backgroundLayout.addWidget(self.createBackgroundCellWidget("Blue Grid",
':/images/background1.png'), 0, 0)
backgroundLayout.addWidget(self.createBackgroundCellWidget("White Grid",
':/images/background2.png'), 0, 1)
backgroundLayout.addWidget(self.createBackgroundCellWidget("Gray Grid",
':/images/background3.png'), 1, 0)
backgroundLayout.addWidget(self.createBackgroundCellWidget("No Grid",
':/images/background4.png'), 1, 1)
backgroundLayout.setRowStretch(2, 10)
backgroundLayout.setColumnStretch(2, 10)
backgroundWidget = QWidget()
backgroundWidget.setLayout(backgroundLayout)
self.toolBox = QToolBox()
self.toolBox.setSizePolicy(QSizePolicy(QSizePolicy.Maximum, 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 = QAction(
QIcon(':/images/bringtofront.png'), "Bring to &Front",
self, shortcut="Ctrl+F", statusTip="Bring item to front",
triggered=self.bringToFront)
self.sendBackAction = QAction(
QIcon(':/images/sendtoback.png'), "Send to &Back", self,
shortcut="Ctrl+B", statusTip="Send item to back",
triggered=self.sendToBack)
self.deleteAction = QAction(QIcon(':/images/delete.png'),
"&Delete", self, shortcut="Delete",
statusTip="Delete item from diagram",
triggered=self.deleteItem)
self.exitAction = QAction("E&xit", self, shortcut="Ctrl+X",
statusTip="Quit Scenediagram example", triggered=self.close)
self.boldAction = QAction(QIcon(':/images/bold.png'),
"Bold", self, checkable=True, shortcut="Ctrl+B",
triggered=self.handleFontChange)
self.italicAction = QAction(QIcon(':/images/italic.png'),
"Italic", self, checkable=True, shortcut="Ctrl+I",
triggered=self.handleFontChange)
self.underlineAction = QAction(
QIcon(':/images/underline.png'), "Underline", self,
checkable=True, shortcut="Ctrl+U",
triggered=self.handleFontChange)
self.aboutAction = QAction("A&bout", self, shortcut="Ctrl+B",
triggered=self.about)
def createMenus(self):
self.fileMenu = self.menuBar().addMenu("&File")
self.fileMenu.addAction(self.exitAction)
self.itemMenu = self.menuBar().addMenu("&Item")
self.itemMenu.addAction(self.deleteAction)
self.itemMenu.addSeparator()
self.itemMenu.addAction(self.toFrontAction)
self.itemMenu.addAction(self.sendBackAction)
self.aboutMenu = self.menuBar().addMenu("&Help")
self.aboutMenu.addAction(self.aboutAction)
def createToolbars(self):
self.editToolBar = self.addToolBar("Edit")
self.editToolBar.addAction(self.deleteAction)
self.editToolBar.addAction(self.toFrontAction)
self.editToolBar.addAction(self.sendBackAction)
self.fontCombo = QFontComboBox()
self.fontCombo.currentFontChanged.connect(self.currentFontChanged)
self.fontSizeCombo = QComboBox()
self.fontSizeCombo.setEditable(True)
for i in range(8, 30, 2):
self.fontSizeCombo.addItem(str(i))
validator = QIntValidator(2, 64, self)
self.fontSizeCombo.setValidator(validator)
self.fontSizeCombo.currentIndexChanged.connect(self.fontSizeChanged)
self.fontColorToolButton = QToolButton()
self.fontColorToolButton.setPopupMode(QToolButton.MenuButtonPopup)
self.fontColorToolButton.setMenu(
self.createColorMenu(self.textColorChanged, Qt.black))
self.textAction = self.fontColorToolButton.menu().defaultAction()
self.fontColorToolButton.setIcon(
self.createColorToolButtonIcon(':/images/textpointer.png',
Qt.black))
self.fontColorToolButton.setAutoFillBackground(True)
self.fontColorToolButton.clicked.connect(self.textButtonTriggered)
self.fillColorToolButton = QToolButton()
self.fillColorToolButton.setPopupMode(QToolButton.MenuButtonPopup)
self.fillColorToolButton.setMenu(
self.createColorMenu(self.itemColorChanged, Qt.white))
self.fillAction = self.fillColorToolButton.menu().defaultAction()
self.fillColorToolButton.setIcon(
self.createColorToolButtonIcon(':/images/floodfill.png',
Qt.white))
self.fillColorToolButton.clicked.connect(self.fillButtonTriggered)
self.lineColorToolButton = QToolButton()
self.lineColorToolButton.setPopupMode(QToolButton.MenuButtonPopup)
self.lineColorToolButton.setMenu(
self.createColorMenu(self.lineColorChanged, Qt.black))
self.lineAction = self.lineColorToolButton.menu().defaultAction()
self.lineColorToolButton.setIcon(
self.createColorToolButtonIcon(':/images/linecolor.png',
Qt.black))
self.lineColorToolButton.clicked.connect(self.lineButtonTriggered)
self.textToolBar = self.addToolBar("Font")
self.textToolBar.addWidget(self.fontCombo)
self.textToolBar.addWidget(self.fontSizeCombo)
self.textToolBar.addAction(self.boldAction)
self.textToolBar.addAction(self.italicAction)
self.textToolBar.addAction(self.underlineAction)
self.colorToolBar = self.addToolBar("Color")
self.colorToolBar.addWidget(self.fontColorToolButton)
self.colorToolBar.addWidget(self.fillColorToolButton)
self.colorToolBar.addWidget(self.lineColorToolButton)
pointerButton = QToolButton()
pointerButton.setCheckable(True)
pointerButton.setChecked(True)
pointerButton.setIcon(QIcon(':/images/pointer.png'))
linePointerButton = QToolButton()
linePointerButton.setCheckable(True)
linePointerButton.setIcon(QIcon(':/images/linepointer.png'))
self.pointerTypeGroup = QButtonGroup()
self.pointerTypeGroup.addButton(pointerButton, DiagramScene.MoveItem)
self.pointerTypeGroup.addButton(linePointerButton,
DiagramScene.InsertLine)
self.pointerTypeGroup.buttonClicked[int].connect(self.pointerGroupClicked)
self.sceneScaleCombo = QComboBox()
self.sceneScaleCombo.addItems(["50%", "75%", "100%", "125%", "150%"])
self.sceneScaleCombo.setCurrentIndex(2)
self.sceneScaleCombo.currentIndexChanged[str].connect(self.sceneScaleChanged)
self.pointerToolbar = self.addToolBar("Pointer type")
self.pointerToolbar.addWidget(pointerButton)
self.pointerToolbar.addWidget(linePointerButton)
self.pointerToolbar.addWidget(self.sceneScaleCombo)
def createBackgroundCellWidget(self, text, image):
button = QToolButton()
button.setText(text)
button.setIcon(QIcon(image))
button.setIconSize(QSize(50, 50))
button.setCheckable(True)
self.backgroundButtonGroup.addButton(button)
layout = QGridLayout()
layout.addWidget(button, 0, 0, Qt.AlignHCenter)
layout.addWidget(QLabel(text), 1, 0, Qt.AlignCenter)
widget = QWidget()
widget.setLayout(layout)
return widget
def createCellWidget(self, text, diagramType):
item = DiagramItem(diagramType, self.itemMenu)
icon = QIcon(item.image())
button = QToolButton()
button.setIcon(icon)
button.setIconSize(QSize(50, 50))
button.setCheckable(True)
self.buttonGroup.addButton(button, diagramType)
layout = QGridLayout()
layout.addWidget(button, 0, 0, Qt.AlignHCenter)
layout.addWidget(QLabel(text), 1, 0, Qt.AlignCenter)
widget = QWidget()
widget.setLayout(layout)
return widget
def createColorMenu(self, slot, defaultColor):
colors = [Qt.black, Qt.white, Qt.red, Qt.blue, Qt.yellow]
names = ["black", "white", "red", "blue", "yellow"]
colorMenu = QMenu(self)
for color, name in zip(colors, names):
action = QAction(self.createColorIcon(color), name, self,
triggered=slot)
action.setData(QColor(color))
colorMenu.addAction(action)
if color == defaultColor:
colorMenu.setDefaultAction(action)
return colorMenu
def createColorToolButtonIcon(self, imageFile, color):
pixmap = QPixmap(50, 80)
pixmap.fill(Qt.transparent)
painter = QPainter(pixmap)
image = QPixmap(imageFile)
target = QRect(0, 0, 50, 60)
source = QRect(0, 0, 42, 42)
painter.fillRect(QRect(0, 60, 50, 80), color)
painter.drawPixmap(target, image, source)
painter.end()
return QIcon(pixmap)
def createColorIcon(self, color):
pixmap = QPixmap(20, 20)
painter = QPainter(pixmap)
painter.setPen(Qt.NoPen)
painter.fillRect(QRect(0, 0, 20, 20), color)
painter.end()
return QIcon(pixmap)
class MainWindow(QMainWindow):
def __init__(self):
super(MainWindow, self).__init__()
self.createActions()
self.createMenus()
self.createToolBox()
self.createStatusBar()
self.scene = ITGScene(self.itemMenu)
self.scene.setSceneRect(QRectF(0, 0, 5000, 5000))
self.scene.itemInserted.connect(self.itemInserted)
self.scene.itemSelected.connect(self.itemSelected)
# ================================================================
# THIS IS THE PROBLEM SECTION
# THIS CAUSES TypeError: native Qt signal is not callable
# To reproduce the error, run the program, click on one of the
# shapes, then click on the scene area
# ================================================================
self.scene.selectionChanged.connect(
self.print_item_info) # this one doesn't work
self.createToolbars()
layout = QHBoxLayout()
layout.addWidget(self.toolBox)
self.view = QGraphicsView(
self.scene) # view and scene established together
layout.addWidget(self.view)
self.widget = QWidget()
self.widget.setLayout(layout)
self.setCentralWidget(self.widget)
self.setWindowTitle("ITG: Illegitimate Template Generator")
#@pyqtSlot() # Adding this does not change the error
def print_item_info(self):
for item in self.scene.selectedItems():
print(item)
def buttonGroupClicked(self, id):
buttons = self.buttonGroup.buttons()
for button in buttons:
if self.buttonGroup.button(id) != button:
button.setChecked(False)
self.scene.setItemType(id)
self.scene.setMode(ITGScene.InsertItem)
self.updateStatusBar()
def deleteItem(self):
for item in self.scene.selectedItems():
self.scene.removeItem(item)
def pointerGroupClicked(self, i):
self.scene.setMode(self.pointerTypeGroup.checkedId())
self.updateStatusBar()
def bringToFront(self):
if not self.scene.selectedItems():
return
selectedItem = self.scene.selectedItems()[0]
overlapItems = selectedItem.collidingItems()
zValue = 0
for item in overlapItems:
if (item.zValue() >= zValue and isinstance(item, ITGItem)):
zValue = item.zValue() + 0.1
selectedItem.setZValue(zValue)
def sendToBack(self):
if not self.scene.selectedItems():
return
selectedItem = self.scene.selectedItems()[0]
overlapItems = selectedItem.collidingItems()
zValue = 0
for item in overlapItems:
if (item.zValue() <= zValue and isinstance(item, ITGItem)):
zValue = item.zValue() - 0.1
selectedItem.setZValue(zValue)
def itemInserted(self, item):
self.pointerTypeGroup.button(ITGScene.MoveItem).setChecked(True)
self.scene.setMode(self.pointerTypeGroup.checkedId())
self.updateStatusBar()
self.buttonGroup.button(item.ITGType).setChecked(False)
def sceneScaleChanged(self, scale):
newScale = scale.left(scale.indexOf("%")).toDouble()[0] / 100.0
oldMatrix = self.view.matrix()
self.view.resetMatrix()
self.view.translate(oldMatrix.dx(), oldMatrix.dy())
self.view.scale(newScale, newScale)
def itemColorChanged(self):
self.fillAction = self.sender()
self.fillColorToolButton.setIcon(
self.createColorToolButtonIcon(':/images/floodfill.png',
QColor(self.fillAction.data())))
self.fillButtonTriggered()
def fillButtonTriggered(self):
self.scene.setItemColor(QColor(self.fillAction.data()))
def itemSelected(self, item):
font = item.font()
color = item.defaultTextColor()
self.fontCombo.setCurrentFont(font)
self.fontSizeCombo.setEditText(str(font.pointSize()))
self.boldAction.setChecked(font.weight() == QFont.Bold)
self.italicAction.setChecked(font.italic())
self.underlineAction.setChecked(font.underline())
def about(self):
QMessageBox.about(
self, "About ITG Scene",
"The <b>ITG Scene</b> example shows use of the graphics framework."
)
def createToolBox(self):
self.buttonGroup = QButtonGroup()
self.buttonGroup.setExclusive(False)
self.buttonGroup.buttonClicked[int].connect(self.buttonGroupClicked)
layout = QGridLayout()
layout.addWidget(self.createCellWidget("Diamond", ITGItem.Diamond), 0,
0)
layout.addWidget(self.createCellWidget("Square", ITGItem.Square), 0, 1)
layout.addWidget(
self.createCellWidget("Parallelogram", ITGItem.Parallelogram), 1,
0)
layout.setRowStretch(3, 10)
layout.setColumnStretch(2, 10)
itemWidget = QWidget()
itemWidget.setLayout(layout)
self.backgroundButtonGroup = QButtonGroup()
self.toolBox = QToolBox()
self.toolBox.setSizePolicy(
QSizePolicy(QSizePolicy.Maximum, QSizePolicy.Ignored))
self.toolBox.setMinimumWidth(itemWidget.sizeHint().width())
self.toolBox.addItem(itemWidget, "Basic Components")
def createActions(self):
self.toFrontAction = QAction(QIcon(':/images/bringtofront.png'),
"Bring to &Front",
self,
shortcut="Ctrl+F",
statusTip="Bring item to front",
triggered=self.bringToFront)
self.sendBackAction = QAction(QIcon(':/images/sendtoback.png'),
"Send to &Back",
self,
shortcut="Ctrl+B",
statusTip="Send item to back",
triggered=self.sendToBack)
self.deleteAction = QAction(QIcon(':/images/delete.png'),
"&Delete",
self,
shortcut="Delete",
statusTip="Delete item from ITG",
triggered=self.deleteItem)
self.exitAction = QAction("E&xit",
self,
shortcut="Ctrl+X",
statusTip="Quit SceneITG example",
triggered=self.close)
self.aboutAction = QAction("A&bout",
self,
shortcut="Ctrl+B",
triggered=self.about)
def createMenus(self):
self.fileMenu = self.menuBar().addMenu("&File")
self.fileMenu.addAction(self.exitAction)
self.itemMenu = self.menuBar().addMenu("&Item")
self.itemMenu.addAction(self.deleteAction)
self.itemMenu.addSeparator()
self.itemMenu.addAction(self.toFrontAction)
self.itemMenu.addAction(self.sendBackAction)
self.aboutMenu = self.menuBar().addMenu("&Help")
self.aboutMenu.addAction(self.aboutAction)
def createToolbars(self):
self.editToolBar = self.addToolBar("Edit")
self.editToolBar.addAction(self.deleteAction)
self.editToolBar.addAction(self.toFrontAction)
self.editToolBar.addAction(self.sendBackAction)
self.fillColorToolButton = QToolButton()
self.fillColorToolButton.setPopupMode(QToolButton.MenuButtonPopup)
self.fillColorToolButton.setMenu(
self.createColorMenu(self.itemColorChanged, Qt.red))
self.fillAction = self.fillColorToolButton.menu().defaultAction()
self.fillColorToolButton.setIcon(
self.createColorToolButtonIcon(':/images/floodfill.png', Qt.red))
self.fillColorToolButton.clicked.connect(self.fillButtonTriggered)
self.colorToolBar = self.addToolBar("Color")
self.colorToolBar.addWidget(self.fillColorToolButton)
pointerButton = QToolButton()
pointerButton.setCheckable(True)
pointerButton.setChecked(True)
pointerButton.setIcon(QIcon(':/images/pointer.png'))
self.pointerTypeGroup = QButtonGroup()
self.pointerTypeGroup.addButton(pointerButton, ITGScene.MoveItem)
self.pointerTypeGroup.buttonClicked[int].connect(
self.pointerGroupClicked)
self.sceneScaleCombo = QComboBox()
self.sceneScaleCombo.addItems(["50%", "75%", "100%", "125%", "150%"])
self.sceneScaleCombo.setCurrentIndex(2)
self.sceneScaleCombo.currentIndexChanged[str].connect(
self.sceneScaleChanged)
self.pointerToolbar = self.addToolBar("Pointer type")
self.pointerToolbar.addWidget(pointerButton)
self.pointerToolbar.addWidget(self.sceneScaleCombo)
def createBackgroundCellWidget(self, text, image):
button = QToolButton()
button.setText(text)
button.setIcon(QIcon(image))
button.setIconSize(QSize(50, 50))
button.setCheckable(True)
self.backgroundButtonGroup.addButton(button)
layout = QGridLayout()
layout.addWidget(button, 0, 0, Qt.AlignHCenter)
layout.addWidget(QLabel(text), 1, 0, Qt.AlignCenter)
widget = QWidget()
widget.setLayout(layout)
return widget
def createCellWidget(self, text, ITGType):
item = ITGItem(ITGType, self.itemMenu)
icon = QIcon(item.image())
button = QToolButton()
button.setIcon(icon)
button.setIconSize(QSize(50, 50))
button.setCheckable(True)
self.buttonGroup.addButton(button, ITGType)
layout = QGridLayout()
layout.addWidget(button, 0, 0, Qt.AlignHCenter)
layout.addWidget(QLabel(text), 1, 0, Qt.AlignCenter)
widget = QWidget()
widget.setLayout(layout)
return widget
def createColorMenu(self, slot, defaultColor):
colors = [Qt.black, Qt.white, Qt.red, Qt.blue, Qt.yellow]
names = ["black", "white", "red", "blue", "yellow"]
colorMenu = QMenu(self)
for color, name in zip(colors, names):
action = QAction(self.createColorIcon(color),
name,
self,
triggered=slot)
action.setData(QColor(color))
colorMenu.addAction(action)
if color == defaultColor:
colorMenu.setDefaultAction(action)
return colorMenu
def createColorToolButtonIcon(self, imageFile, color):
pixmap = QPixmap(50, 80)
pixmap.fill(Qt.transparent)
painter = QPainter(pixmap)
image = QPixmap(imageFile)
target = QRect(0, 0, 50, 60)
source = QRect(0, 0, 42, 42)
painter.fillRect(QRect(0, 60, 50, 80), color)
painter.drawPixmap(target, image, source)
painter.end()
return QIcon(pixmap)
def createColorIcon(self, color):
pixmap = QPixmap(20, 20)
painter = QPainter(pixmap)
painter.setPen(Qt.NoPen)
painter.fillRect(QRect(0, 0, 20, 20), color)
painter.end()
return QIcon(pixmap)
def createStatusBar(self):
self.sbar = self.statusBar()
self.lbl_mode = QLabel('Mode: not set')
self.sbar.addPermanentWidget(self.lbl_mode)
self.lbl_selection = QLabel('Sel: none')
self.sbar.addPermanentWidget(self.lbl_selection)
def updateStatusBar(self):
self.lbl_mode.setText('Mode: ' + self.scene.getMode())
#! This section is not working!!!
if len(self.scene.selectedItems()) == 0:
self.lbl_selection.setText('Sel: none')
elif len(self.scene.selectedItems()) == 1:
self.lbl_selection.setText(
'Sel: ' + self.scene.selectedItems()[0].get_ITGType_as_str())
elif len(self.scene.selectedItems()) > 1:
self.lbl_selection.setText('Sel: <multiple>')
