def main(args): # pragma: no cover
# pylint: disable=import-outside-toplevel,protected-access
from AnyQt.QtWidgets import QApplication, QAction
from AnyQt.QtGui import QKeySequence
app = QApplication(args)
view = StickyGraphicsView()
scene = QGraphicsScene(view)
scene.setBackgroundBrush(QBrush(Qt.lightGray, Qt.CrossPattern))
view.setScene(scene)
scene.addRect(QRectF(0, 0, 300, 20), Qt.red,
QBrush(Qt.red, Qt.BDiagPattern))
scene.addRect(QRectF(0, 25, 300, 100))
scene.addRect(QRectF(0, 130, 300, 20), Qt.darkGray,
QBrush(Qt.darkGray, Qt.BDiagPattern))
view.setHeaderSceneRect(QRectF(0, 0, 300, 20))
view.setFooterSceneRect(QRectF(0, 130, 300, 20))
view.show()
zoomin = QAction("Zoom in", view, shortcut=QKeySequence.ZoomIn)
zoomout = QAction("Zoom out", view, shortcut=QKeySequence.ZoomOut)
zoomreset = QAction("Reset",
view,
shortcut=QKeySequence(Qt.ControlModifier | Qt.Key_0))
view._zoom = 100
def set_zoom(zoom):
if view._zoom != zoom:
view._zoom = zoom
view.setTransform(QTransform.fromScale(*(view._zoom / 100, ) * 2))
zoomout.setEnabled(zoom >= 20)
zoomin.setEnabled(zoom <= 300)
@zoomin.triggered.connect
def _():
set_zoom(view._zoom + 10)
@zoomout.triggered.connect
def _():
set_zoom(view._zoom - 10)
@zoomreset.triggered.connect
def _():
set_zoom(100)
view.addActions([zoomin, zoomout, zoomreset])
return app.exec()
def basic_scene():
scene = QGraphicsScene()
scene.addRect(QRectF(0, 0, 100, 100))
return scene
