def draw_event(self):
rnd = random.Random()
if not self.isDrawn:
item = QtWidgets.QGraphicsEllipseItem(*self.get_params())
self.graphicsScene.addItem(item)
item = QtWidgets.QGraphicsEllipseItem(*self.get_params())
self.graphicsScene.addItem(item)
item = QtWidgets.QGraphicsEllipseItem(*self.get_params())
item.setStartAngle(90)
item.setSpanAngle(random.randrange(10, 100))
self.graphicsScene.addItem(item)
item = QtWidgets.QGraphicsEllipseItem(*self.get_params())
item.setStartAngle(90 * 20)
item.setSpanAngle(random.randrange(10, 100) * 20)
self.graphicsScene.addItem(item)
item = QtWidgets.QGraphicsRectItem(*self.get_params())
self.graphicsScene.addItem(item)
item = QtWidgets.QGraphicsRectItem(*self.get_params())
self.graphicsScene.addItem(item)
item = QtWidgets.QGraphicsLineItem()
item.setLine(
random.randrange(
0,
self.graphicsView.frameGeometry().width() - MAX_WIDTH),
random.randrange(
0,
self.graphicsView.frameGeometry().height() - MAX_HEIGHT),
random.randrange(
0,
self.graphicsView.frameGeometry().width() - MAX_WIDTH),
random.randrange(
0,
self.graphicsView.frameGeometry().height() - MAX_HEIGHT))
self.graphicsScene.addItem(item)
item = QtWidgets.QGraphicsLineItem()
item.setLine(
random.randrange(
0,
self.graphicsView.frameGeometry().width() - MAX_WIDTH),
random.randrange(
0,
self.graphicsView.frameGeometry().height() - MAX_HEIGHT),
random.randrange(
0,
self.graphicsView.frameGeometry().width() - MAX_WIDTH),
random.randrange(
0,
self.graphicsView.frameGeometry().height() - MAX_HEIGHT))
self.graphicsScene.addItem(item)
self.isDrawn = True
def drawGrid(w, h, s):
for i in range(0, w, 50):
gridLines.insert(0, QtWidgets.QGraphicsLineItem(i, 0, i, sceneHeight))
gridLines[0].setPen(QtGui.QPen(QtCore.Qt.lightGray))
s.addItem(gridLines[0])
for j in range(0, h, 50):
gridLines.insert(0, QtWidgets.QGraphicsLineItem(0, j, w, j))
gridLines[0].setPen(QtGui.QPen(QtCore.Qt.lightGray))
s.addItem(gridLines[0])
def drawLine(): nonlocal p1 nonlocal angle nonlocal line1 nonlocal line2 nonlocal origin if p1 == None: angle2 = angle + 20 p1 = QtCore.QPointF(radius * math.cos(angle * math.pi / 180.0), radius * math.sin(angle * math.pi / 180.0)) p2 = QtCore.QPointF(radius * math.cos(angle2 * math.pi / 180.0), radius * math.sin(angle2 * math.pi / 180.0)) line1 = QtWidgets.QGraphicsLineItem(p1.x(), p1.y(), 0, 0) line2 = QtWidgets.QGraphicsLineItem(0, 0, p2.x(), p2.y()) # conePath.moveTo(line1) # conePath.lineTo(line2) # conePath.closeSubpath() # scene.addPath(conePath) scene.addItem(line1) scene.addItem(line2) else: scene.removeItem(line1) scene.removeItem(line2) # scene.removeItem(conePath) angle += 1 angle2 = angle + 20 p1 = QtCore.QPointF(radius * math.cos(angle * math.pi / 180.0), radius * math.sin(angle * math.pi / 180.0)) p2 = QtCore.QPointF(radius * math.cos(angle2 * math.pi / 180.0), radius * math.sin(angle2 * math.pi / 180.0)) line1 = QtWidgets.QGraphicsLineItem(p1.x(), p1.y(), 0, 0) line2 = QtWidgets.QGraphicsLineItem(0, 0, p2.x(), p2.y()) # conePath.moveTo(line1) # conePath.lineTo(line2) # conePath.closeSubpath() # scene.addPath(conePath) scene.addItem(line1) scene.addItem(line2)
def setSelectedUnit(self, selected_cp: QMapControlPoint):
self.state = QLiberationMapState.MOVING_UNIT
self.selected_cp = selected_cp
position = self._transform_point(selected_cp.control_point.position)
self.movement_line = QtWidgets.QGraphicsLineItem(
QLineF(QPointF(*position), QPointF(*position)))
self.scene().addItem(self.movement_line)
def mousePressEvent(self, mouseEvent):
if (mouseEvent.button() != QtCore.Qt.LeftButton):
return
if self.myMode == self.InsertItem:
item = DiagramItem(self.myItemType, self.myItemMenu)
item.setBrush(self.myItemColor)
self.addItem(item)
item.setPos(mouseEvent.scenePos())
self.itemInserted.emit(item)
elif self.myMode == self.InsertLine:
self.line = QtWidgets.QGraphicsLineItem(QtCore.QLineF(mouseEvent.scenePos(),
mouseEvent.scenePos()))
self.line.setPen(QtGui.QPen(self.myLineColor, 2))
self.addItem(self.line)
elif self.myMode == self.InsertText:
textItem = DiagramTextItem()
textItem.setFont(self.myFont)
textItem.setTextInteractionFlags(QtCore.Qt.TextEditorInteraction)
textItem.setZValue(1000.0)
textItem.lostFocus.connect(self.editorLostFocus)
textItem.selectedChange.connect(self.itemSelected)
self.addItem(textItem)
textItem.setDefaultTextColor(self.myTextColor)
textItem.setPos(mouseEvent.scenePos())
self.textInserted.emit(textItem)
super(DiagramScene, self).mousePressEvent(mouseEvent)
def __init__(self, parent, api_obj, diagramScene):
"""
:param parent:
:param api_obj:
"""
super(ShuntGraphicItem, self).__init__(parent)
self.w = 15.0
self.h = 30.0
self.parent = parent
self.api_object = api_obj
self.diagramScene = diagramScene
self.width = 4
if self.api_object is not None:
if self.api_object.active:
self.style = ACTIVE['style']
self.color = ACTIVE['color']
else:
self.style = DEACTIVATED['style']
self.color = DEACTIVATED['color']
else:
self.style = OTHER['style']
self.color = OTHER['color']
pen = QPen(self.color, self.width, self.style)
# Properties of the container:
self.setFlags(self.ItemIsSelectable | self.ItemIsMovable)
# self.setCursor(QCursor(Qt.PointingHandCursor))
# line to tie this object with the original bus (the parent)
self.nexus = QtWidgets.QGraphicsLineItem()
self.nexus.setPen(QPen(self.color, self.width, self.style))
parent.scene().addItem(self.nexus)
self.lines = list()
self.lines.append(QLineF(QPointF(self.w / 2, 0), QPointF(self.w / 2, self.h * 0.4)))
self.lines.append(QLineF(QPointF(0, self.h * 0.4), QPointF(self.w, self.h * 0.4)))
self.lines.append(QLineF(QPointF(0, self.h * 0.6), QPointF(self.w, self.h * 0.6)))
self.lines.append(QLineF(QPointF(self.w / 2, self.h * 0.6), QPointF(self.w / 2, self.h)))
self.lines.append(QLineF(QPointF(0, self.h * 1), QPointF(self.w, self.h * 1)))
self.lines.append(QLineF(QPointF(self.w * 0.15, self.h * 1.1), QPointF(self.w * 0.85, self.h * 1.1)))
self.lines.append(QLineF(QPointF(self.w * 0.3, self.h * 1.2), QPointF(self.w * 0.7, self.h * 1.2)))
for l in self.lines:
l1 = QLine(self)
l1.setLine(l)
l1.setPen(pen)
self.addToGroup(l1)
self.setPos(self.parent.x(), self.parent.y() + 100)
self.update_line(self.pos())
def __init__(self):
QtWidgets.QGraphicsView.__init__(self)
self.setWindowTitle("QGraphicsView")
scene = QtWidgets.QGraphicsScene(self)
scene.setSceneRect(0, 0, 160, 120)
self.setScene(scene)
line = QtCore.QLineF(10, 10, 100, 100)
node = QtWidgets.QGraphicsLineItem(line)
scene.addItem(node)
def add_edge(self):
selection = self.scene.selectedItems()
if not selection:
self.status_bar.showMessage("No node selected. No edge added.")
else:
first = selection[0]
edge = QtWidgets.QGraphicsLineItem(0, 0, first.x(), first.y())
edge.setPen(self.edge_pen)
self.scene.addItem(edge)
self.maybe_save = True
self.status_bar.showMessage(
f"Added edge from (0, 0) to ({first.x()}, {first.y()})")
def __init__(self, game_model: GameModel):
super(QLiberationMap, self).__init__()
QLiberationMap.instance = self
self.game_model = game_model
self.game: Optional[Game] = game_model.game
self.state = QLiberationMapState.NORMAL
self.waypoint_info_font = QFont()
self.waypoint_info_font.setPointSize(12)
self.flight_path_items: List[QGraphicsItem] = []
# A tuple of (package index, flight index), or none.
self.selected_flight: Optional[Tuple[int, int]] = None
self.setMinimumSize(800, 600)
self.setMaximumHeight(2160)
self._zoom = 0
self.factor = 1
self.factorized = 1
self.init_scene()
self.setGame(game_model.game)
# Object displayed when unit is selected
self.movement_line = QtWidgets.QGraphicsLineItem(
QtCore.QLineF(QPointF(0, 0), QPointF(0, 0)))
self.movement_line.setPen(QPen(CONST.COLORS["orange"], width=10.0))
self.selected_cp: QMapControlPoint = None
GameUpdateSignal.get_instance().flight_paths_changed.connect(
lambda: self.draw_flight_plans(self.scene()))
def update_package_selection(index: int) -> None:
# Optional[int] isn't a valid type for a Qt signal. None will be
# converted to zero automatically. We use -1 to indicate no
# selection.
if index == -1:
self.selected_flight = None
else:
self.selected_flight = index, 0
self.draw_flight_plans(self.scene())
GameUpdateSignal.get_instance().package_selection_changed.connect(
update_package_selection)
def update_flight_selection(index: int) -> None:
if self.selected_flight is None:
if index != -1:
# We don't know what order update_package_selection and
# update_flight_selection will be called in when the last
# package is removed. If no flight is selected, it's not a
# problem to also have no package selected.
logging.error(
"Flight was selected with no package selected")
return
# Optional[int] isn't a valid type for a Qt signal. None will be
# converted to zero automatically. We use -1 to indicate no
# selection.
if index == -1:
self.selected_flight = self.selected_flight[0], None
self.selected_flight = self.selected_flight[0], index
self.draw_flight_plans(self.scene())
GameUpdateSignal.get_instance().flight_selection_changed.connect(
update_flight_selection)
self.nm_to_pixel_ratio: int = 0
self.navmesh_highlight: Optional[QPolygonF] = None
self.shortest_path_segments: List[QLineF] = []
if __name__ == '__main__':
app = QtWidgets.QApplication(sys.argv)
# Create a graphics scene
sceneWidth = 400
sceneHeight = 400
scene = QtWidgets.QGraphicsScene(
QtCore.QRectF(0, 0, sceneWidth, sceneHeight))
rect = scene.sceneRect()
gridLines = list()
drawGrid(sceneWidth, sceneHeight, scene)
line1 = QtWidgets.QGraphicsLineItem(sceneWidth / 2, 0, sceneWidth / 2,
sceneHeight)
line1.setPen(QtGui.QPen(QtCore.Qt.black, 2))
scene.addItem(line1)
line2 = QtWidgets.QGraphicsLineItem(0, sceneHeight / 2, sceneWidth,
sceneHeight / 2)
line2.setPen(QtGui.QPen(QtCore.Qt.red, 2))
scene.addItem(line2)
line3 = QtWidgets.QGraphicsLineItem(-50, -50, sceneWidth, sceneHeight)
line3.setPen(QtGui.QPen(QtCore.Qt.blue, 2))
line3.setFlag(QtWidgets.QGraphicsItem.ItemClipsChildrenToShape, True)
scene.addItem(line3)
scene.addItem(QtWidgets.QGraphicsRectItem(rect))
# Create a graphics view
