def wheelEvent(self, event: QtGui.QWheelEvent):
if event.modifiers() & QtCore.Qt.ShiftModifier:
delta = event.angleDelta()
if delta.y() > 0:
scale = self.zoom_in
else:
scale = 1 / self.zoom_in
# Set Anchors
self.setResizeAnchor(QtWidgets.QGraphicsView.NoAnchor)
self.setTransformationAnchor(QtWidgets.QGraphicsView.NoAnchor)
cur_pos = self.mapToScene(event.pos())
self.scale(scale, scale)
new_pos = self.mapToScene(event.pos())
delta_zoomed = new_pos - cur_pos
self.translate(delta_zoomed.x(), delta_zoomed.y())
event.accept()
return
return super(VQVivFuncGraphCanvas, self).wheelEvent(event)
python类QGraphicsView()的实例源码
def addWidget(self, widget):
super().addWidget(widget)
if isinstance(widget, QtWidgets.QPlainTextEdit):
self.text_preview = widget
if isinstance(widget, QtWidgets.QGraphicsView):
self.graphics_preview = widget
def keyReleaseEvent(self, event):
if event.key() == QtCore.Qt.Key_Space and not event.isAutoRepeat():
self.setDragMode(QtWidgets.QGraphicsView.NoDrag)
self.setInteractive(False)
elif event.key() == QtCore.Qt.Key_Control:
self.setInteractive(False)
else:
super().keyReleaseEvent(event)
def __init__(self, vw, syms, parent, *args, **kwargs):
self.vw = vw
self.syms = syms
QtWidgets.QGraphicsView.__init__(self, parent=parent)
e_qt_memory.EnviNavMixin.__init__(self)
self.scene = DropGraphicsScene(parent=self)
self.setScene(self.scene)
self.scene.setStickyFocus(True)
self.setDragMode(QtWidgets.QGraphicsView.ScrollHandDrag)
self.setBackgroundBrush(QtGui.QBrush(QtGui.QColor(self.bg_color)))
self.setViewportUpdateMode(QtWidgets.QGraphicsView.BoundingRectViewportUpdate)
self.setRenderHints(self.renderHints() | QtGui.QPainter.Antialiasing | QtGui.QPainter.SmoothPixmapTransform)
self._orig_transform = self.transform()
self._edge_pen = QtGui.QPen(QtGui.QBrush(QtGui.QColor(self.true_edge_color)), self.edge_width,
QtCore.Qt.SolidLine, QtCore.Qt.RoundCap)
##################################################################
# Function graph related stuff
# holds the memory canvas instances for each basic block
self._block_views = dict()
self.func_va = None
self.func_graph = None
# the layout used for this graph
self.graph_layout = None
self._rend = viv_rend.WorkspaceRenderer(vw)
def __init__(self, vg, nodes, parent=None):
QtWidgets.QGraphicsView.__init__(self, parent=parent)
scene = QtWidgets.QGraphicsScene(parent=self)
self.setScene(scene)
self._v_nodecol = NodeColumn(vg, nodes, scene)
self._v_vg = vg
def __init__(self, graph, parent=None):
QtWidgets.QGraphicsView.__init__(self, parent=parent)
vg_render.GraphRenderer.__init__(self, graph)
scene = QtWidgets.QGraphicsScene(parent=self)
self.setScene(scene)
breathing_history_wt.py 文件源码
项目：mindfulness-at-the-computer
作者: SunyataZero
项目源码
文件源码
阅读 19
收藏 0
点赞 0
评论 0
def __init__(self):
super().__init__()
self.show()
self.setMinimumHeight(300)
self.setMinimumWidth(270)
self.ib_qtimer = None
self.ob_qtimer = None
self.updating_gui_bool = False
# self.breathing_rest_counter_int = 0
# self.breath_counter_int = 0
self.new_cycle_bool = True
self.in_breath_graphics_qgri_list = []
self.out_breath_graphics_qgri_list = []
vbox_l2 = QtWidgets.QVBoxLayout()
self.setLayout(vbox_l2)
self.breathing_graphicsview = QtWidgets.QGraphicsView() # QGraphicsScene
vbox_l2.addWidget(self.breathing_graphicsview)
self.breathing_graphicsscene = QtWidgets.QGraphicsScene()
self.breathing_graphicsview.setScene(self.breathing_graphicsscene)
# self.breathing_graphicsview.centerOn(QtCore.Qt.AlignRight)
# alignment can be set with "setAlignment"
self.breathing_graphicsview.setDragMode(QtWidgets.QGraphicsView.ScrollHandDrag)
def __init__(self, scene, parent):
super().__init__(scene, parent)
self.setAlignment(Qt.AlignLeft | Qt.AlignTop)
self.setDragMode(QtWidgets.QGraphicsView.RubberBandDrag)
self.setMouseTracking(True)
self.YScrollBar = QtWidgets.QScrollBar(Qt.Vertical, parent)
self.XScrollBar = QtWidgets.QScrollBar(Qt.Horizontal, parent)
self.setVerticalScrollBar(self.YScrollBar)
self.setHorizontalScrollBar(self.XScrollBar)
self.currentobj = None
self.setRenderHints(QtGui.QPainter.Antialiasing | QtGui.QPainter.SmoothPixmapTransform)
def setupUi(self, MainWindow):
MainWindow.setObjectName("MainWindow")
MainWindow.resize(720, 480)
MainWindow.setIconSize(QtCore.QSize(18, 18))
MainWindow.setDocumentMode(False)
self.centralWidget = QtWidgets.QWidget(MainWindow)
self.centralWidget.setObjectName("centralWidget")
self.btnNewImage = QtWidgets.QPushButton(self.centralWidget)
self.btnNewImage.setGeometry(QtCore.QRect(469, 200, 171, 61))
font = QtGui.QFont()
font.setPointSize(16)
self.btnNewImage.setFont(font)
self.btnNewImage.setObjectName("btnNewImage")
self.graphicsView = QtWidgets.QGraphicsView(self.centralWidget)
self.graphicsView.setGeometry(QtCore.QRect(40, 120, 360, 240))
self.graphicsView.setObjectName("graphicsView")
self.label = QtWidgets.QLabel(self.centralWidget)
self.label.setGeometry(QtCore.QRect(40, 20, 631, 71))
font = QtGui.QFont()
font.setPointSize(32)
font.setUnderline(True)
self.label.setFont(font)
self.label.setAlignment(QtCore.Qt.AlignCenter)
self.label.setWordWrap(False)
self.label.setObjectName("label")
MainWindow.setCentralWidget(self.centralWidget)
self.menuBar = QtWidgets.QMenuBar(MainWindow)
self.menuBar.setGeometry(QtCore.QRect(0, 0, 720, 17))
self.menuBar.setObjectName("menuBar")
MainWindow.setMenuBar(self.menuBar)
self.mainToolBar = QtWidgets.QToolBar(MainWindow)
self.mainToolBar.setObjectName("mainToolBar")
MainWindow.addToolBar(QtCore.Qt.TopToolBarArea, self.mainToolBar)
self.statusBar = QtWidgets.QStatusBar(MainWindow)
self.statusBar.setObjectName("statusBar")
MainWindow.setStatusBar(self.statusBar)
self.retranslateUi(MainWindow)
QtCore.QMetaObject.connectSlotsByName(MainWindow)
def __init__(self, *args, **kwargs):
super(SongTextWidget, self).__init__(*args, **kwargs)
self.setWindowTitle(self.tr("Lyrics"))
self.w = 1920
self.h = 1080
self._progress = 0.0
# self._animated_progress = 0.0
self.title = ""
self._linecount = 0
self._extra_lines_after = []
self._first_lyrics_line_y = 0
self._covered = True
self.setMinimumHeight(9 * 50)
self.setMinimumWidth(16 * 50)
self.setSizePolicy(QSizePolicy.MinimumExpanding, QSizePolicy.Minimum)
self.setScene(QGraphicsScene(self))
self.setRenderHints(QPainter.HighQualityAntialiasing | QPainter.SmoothPixmapTransform)
self.setInteractive(False)
self.scene().setBackgroundBrush(Qt.black)
self.setStyleSheet( "QGraphicsView { border-style: none; }" )
self._line_height = 10
self._document_height = 10
self._animation = None
self._font_size = 40
self._line_increment = 2
def __init__(self, parent=None):
super().__init__(parent)
width, height = 800, 800
self.setGeometry(width, height, width, height)
# configs, can be changed at runtime
self.circle_line_color = Qt.gray
self.crosshair_line_color = Qt.gray
self.text_label_color = Qt.darkGreen
self.measured_distances_color = Qt.green
self.circle_count = 10
self.dot_width = 10
self.line_width = 1
self.distance_measurement_angle = 15
self.measurement_angle = 10 # degrees that one sensor covers
self.fade_out_time = 4 # older measurements will fade out over this time
self.add_text_labels = False
# data
self.measurements = []
self.added_time = dict() # measurement -> timestamp
# drawing timer
self.timer = QTimer()
self.timer.setInterval(80)
self.timer.timeout.connect(self.draw_radar)
self.timer.start()
# internal canvas setup
self.layout = QHBoxLayout()
self.setLayout(self.layout)
self.scene = QGraphicsScene()
self.scene.setSceneRect(0, 0, width, height)
self.canvas = QGraphicsView()
self.canvas.setRenderHint(QPainter.Antialiasing)
self.canvas.setFixedSize(width, height)
self.canvas.setAlignment(Qt.AlignLeft)
self.canvas.setScene(self.scene)
self.canvas.setHorizontalScrollBarPolicy(Qt.ScrollBarAlwaysOff)
self.canvas.setVerticalScrollBarPolicy(Qt.ScrollBarAlwaysOff)
self.layout.addWidget(self.canvas)
# initial rendering
self.draw_radar()
def __init__(self, mainWindow):
super().__init__()
self.mainWindow = mainWindow
viewport = QtOpenGL.QGLWidget(QtOpenGL.QGLFormat(QtOpenGL.QGL.SampleBuffers))
viewport.format().setSwapInterval(0) #disable VSync.
viewport.setAutoFillBackground(False)
viewport = QtWidgets.QOpenGLWidget()
viewportFormat = QtGui.QSurfaceFormat()
viewportFormat.setSwapInterval(0) #disable VSync
viewportFormat.setSamples(2**8)
viewportFormat.setDefaultFormat(viewportFormat)
viewport.setFormat(viewportFormat)
self.setViewport(viewport)
self.setAlignment(QtCore.Qt.AlignLeft|QtCore.Qt.AlignTop)
#self.setDragMode(QtWidgets.QGraphicsView.RubberBandDrag)
self.setDragMode(QtWidgets.QGraphicsView.NoDrag)
self.scoreScene = GuiScore(self)
self.setScene(self.scoreScene)
api.getCallbacksDatabase().setCursor.append(self.centerOnCursor) #returns a dict
api.getCallbacksDatabase().updateBlockTrack.append(self.updateMode)
self.xFactor = 1 #keep track of the x stretch factor.
style = """
QScrollBar:horizontal {
border: 1px solid black;
}
QScrollBar::handle:horizontal {
background: #00b2b2;
}
QScrollBar:vertical {
border: 1px solid black;
}
QScrollBar::handle:vertical {
background: #00b2b2;
}
"""
self.setStyleSheet(style)
self._zoom() #no parameters, uses config values
