def __init__(self, appdata: CnaData, name: str):
self.scene = QGraphicsScene()
QGraphicsView.__init__(self, self.scene)
palette = self.palette()
palette.setColor(QPalette.Base, Qt.white)
self.setPalette(palette)
self.appdata = appdata
self.name = name
self.setAcceptDrops(True)
self.drag = False
self.reaction_boxes: Dict[str, ReactionBox] = {}
self._zoom = 0
self.drag = False
self.drag_start = None
# initial scale
self._zoom = self.appdata.project.maps[self.name]["zoom"]
if self._zoom > 0:
for _ in range(1, self._zoom):
self.scale(INCREASE_FACTOR, INCREASE_FACTOR)
if self._zoom < 0:
for _ in range(self._zoom, -1):
self.scale(DECREASE_FACTOR, DECREASE_FACTOR)
# connect events to methods
self.horizontalScrollBar().valueChanged.connect(self.on_hbar_change)
self.verticalScrollBar().valueChanged.connect(self.on_vbar_change)
def __init__(self, tileSource=None, parent=None):
"""Constructor.
Args:
tileSource(MapTileSource): Source for the tiles, default `MapTileSourceOSM`.
parent(QObject): Parent object, default `None`
"""
QGraphicsView.__init__(self, parent=parent)
if tileSource is None:
tileSource = MapTileSourceOSM()
scene = MapGraphicsScene(tileSource)
self.setScene(scene)
self._lastMousePos = None
def __init__(self, tileSource=None, parent=None):
"""Constructor.
Args:
tileSource(MapTileSource): Source for the tiles, default `MapTileSourceOSM`.
parent(QObject): Parent object, default `None`
"""
QGraphicsView.__init__(self, parent=parent)
if tileSource is None:
tileSource = MapTileSourceOSM()
scene = MapGraphicsScene(tileSource)
self.setScene(scene)
self._lastMousePos = None
def __init__(self, item) -> None:
QGraphicsView.__init__(self)
scene = QGraphicsScene(self)
self.setScene(scene)
item.setMinimumSize(QSize(150, 150))
item.setMaximum(36000)
item.setSingleStep(100)
item.setPageStep(100)
item.setInvertedAppearance(True)
item.setWrapping(True)
item.setNotchTarget(.1)
item.setNotchesVisible(True)
graphics_item = scene.addWidget(item)
graphics_item.setRotation(-90)
# make the QGraphicsView invisible.
self.setHorizontalScrollBarPolicy(Qt.ScrollBarAlwaysOff)
self.setVerticalScrollBarPolicy(Qt.ScrollBarAlwaysOff)
self.setFixedHeight(item.height())
self.setFixedWidth(item.width())
self.setStyleSheet("border: 0px;")
