class VideoWidget(QVideoWidget):
def __init__(self, parent=None):
''' Constructor '''
super(VideoWidget, self).__init__(parent)
self.surface = VideoWidgetSurface(self)
self.Tracking_RubberBand = QRubberBand(QRubberBand.Rectangle, self)
self.Censure_RubberBand = QRubberBand(QRubberBand.Rectangle, self)
pal = QPalette()
pal.setBrush(QPalette.Highlight, QBrush(QColor(Qt.blue)))
self.Tracking_RubberBand.setPalette(pal)
pal = QPalette()
pal.setBrush(QPalette.Highlight, QBrush(QColor(Qt.black)))
self.Censure_RubberBand.setPalette(pal)
self.var_currentMouseMoveEvent = None
self._interaction = InteractionState()
self._filterSatate = FilterState()
self.setUpdatesEnabled(True)
self.snapped = False
self.zoomed = False
self._isinit = False
self.gt = None
self.drawCesure = []
self.poly_coordinates, self.drawPtPos, self.drawLines, self.drawRuler, self.drawPolygon = [], [], [], [], []
self.poly_RubberBand = QgsRubberBand(iface.mapCanvas(),
True) # Polygon type
# set rubber band style
color = QColor(176, 255, 128)
self.poly_RubberBand.setColor(color)
color.setAlpha(190)
self.poly_RubberBand.setStrokeColor(color)
self.poly_RubberBand.setWidth(3)
self.parent = parent.parent()
self.setSizePolicy(QSizePolicy.Ignored, QSizePolicy.Ignored)
self.setAttribute(Qt.WA_NoSystemBackground)
self.setAttribute(Qt.WA_PaintOnScreen)
self.setAttribute(Qt.WA_OpaquePaintEvent)
self.setAttribute(Qt.WA_DeleteOnClose)
palette = self.palette()
palette.setColor(QPalette.Background, Qt.black)
self.setPalette(palette)
self.setSizePolicy(QSizePolicy.MinimumExpanding,
QSizePolicy.MinimumExpanding)
self.offset, self.origin, self.pressPos, self.dragPos = QPoint(
), QPoint(), QPoint(), QPoint()
self.tapTimer = QBasicTimer()
self.zoomPixmap, self.maskPixmap = QPixmap(), QPixmap()
def removeLastLine(self):
''' Remove Last Line Objects '''
if len(self.drawLines) > 0:
for pt in range(len(self.drawLines) - 1, -1, -1):
del self.drawLines[pt]
try:
if self.drawLines[pt - 1][0] is None:
break
except Exception:
None
self.UpdateSurface()
AddDrawLineOnMap(self.drawLines)
return
def removeLastSegmentLine(self):
''' Remove Last Segment Line Objects '''
if len(self.drawLines) > 0:
del self.drawLines[-1]
self.UpdateSurface()
AddDrawLineOnMap(self.drawLines)
return
def removeAllLines(self):
''' Resets Line List '''
self.drawLines = []
self.UpdateSurface()
# Clear all Layer
RemoveAllDrawLineOnMap()
def ResetDrawRuler(self):
''' Resets Ruler List '''
self.drawRuler = []
def removeAllCensure(self):
''' Remove All Censure Objects '''
self.drawCesure = []
def removeLastCensured(self):
''' Remove Last Censure Objects '''
if len(self.drawCesure) > 0:
del self.drawCesure[-1]
def removeLastPoint(self):
''' Remove All Point Drawer Objects '''
if len(self.drawPtPos) > 0:
del self.drawPtPos[-1]
self.UpdateSurface()
RemoveLastDrawPointOnMap()
return
def removeAllPoint(self):
''' Remove All Point Drawer Objects '''
self.drawPtPos = []
self.UpdateSurface()
# Clear all Layer
RemoveAllDrawPointOnMap()
return
def removeAllPolygon(self):
''' Remove All Polygon Drawer Objects '''
self.drawPolygon = []
self.UpdateSurface()
# Clear all Layer
RemoveAllDrawPolygonOnMap()
def removeLastPolygon(self):
''' Remove Last Polygon Drawer Objects '''
if len(self.drawPolygon) > 0:
for pt in range(len(self.drawPolygon) - 1, -1, -1):
del self.drawPolygon[pt]
try:
if self.drawPolygon[pt - 1][0] is None:
break
except Exception:
None
self.UpdateSurface()
# remove last index layer
RemoveLastDrawPolygonOnMap()
def currentMouseMoveEvent(self, event):
self.var_currentMouseMoveEvent = event
def keyPressEvent(self, event):
''' Exit fullscreen '''
if event.key() == Qt.Key_Escape and self.isFullScreen():
self.setFullScreen(False)
event.accept()
elif event.key() == Qt.Key_Enter and event.modifiers() & Qt.Key_Alt:
self.setFullScreen(not self.isFullScreen())
event.accept()
else:
super(VideoWidget, self).keyPressEvent(event)
def mouseDoubleClickEvent(self, event):
"""
:type event: QMouseEvent
:param event:
:return:
"""
if GetImageHeight() == 0:
return
if (not vut.IsPointOnScreen(event.x(), event.y(), self.surface)):
return
if self.gt is not None and self._interaction.lineDrawer:
self.drawLines.append([None, None, None])
self.UpdateSurface()
return
if self.gt is not None and self._interaction.ruler:
self.drawRuler.append([None, None, None])
self.UpdateSurface()
return
if self.gt is not None and self._interaction.polygonDrawer:
self.drawPolygon.append([None, None, None])
AddDrawPolygonOnMap(self.poly_coordinates)
# Empty RubberBand
for _ in range(self.poly_RubberBand.numberOfVertices()):
self.poly_RubberBand.removeLastPoint()
# Empty List
self.poly_coordinates = []
self.UpdateSurface()
return
self.setFullScreen(not self.isFullScreen())
event.accept()
def videoSurface(self):
''' Return video Surface '''
return self.surface
def UpdateSurface(self):
''' Update Video Surface '''
self.surface.widget.update()
def sizeHint(self):
''' This property holds the recommended size for the widget '''
return self.surface.surfaceFormat().sizeHint()
def GetCurrentFrame(self):
''' Return current frame QImage '''
return self.surface.image
def SetInvertColor(self, value):
''' Set Invert color filter '''
self._filterSatate.invertColorFilter = value
def SetObjectTracking(self, value):
''' Set Object Tracking '''
self._interaction.objectTracking = value
def SetRuler(self, value):
''' Set Ruler '''
self._interaction.ruler = value
def SetHandDraw(self, value):
''' Set Hand Draw '''
self._interaction.HandDraw = value
def SetCensure(self, value):
''' Set Censure Video Parts '''
self._interaction.censure = value
def SetGray(self, value):
''' Set gray scale '''
self._filterSatate.grayColorFilter = value
def SetMirrorH(self, value):
''' Set Horizontal Mirror '''
self._filterSatate.MirroredHFilter = value
def SetEdgeDetection(self, value):
''' Set Canny Edge filter '''
self._filterSatate.edgeDetectionFilter = value
def SetAutoContrastFilter(self, value):
''' Set Automatic Contrast filter '''
self._filterSatate.contrastFilter = value
def SetMonoFilter(self, value):
''' Set mono filter '''
self._filterSatate.monoFilter = value
def RestoreFilters(self):
''' Remove and restore all video filters '''
self._filterSatate.clear()
def RestoreDrawer(self):
''' Remove and restore all Drawer Options '''
self._interaction.clear()
def paintEvent(self, event):
''' Paint Event '''
self.gt = GetGCPGeoTransform()
self.painter = QPainter(self)
self.painter.setRenderHint(QPainter.HighQualityAntialiasing)
if (self.surface.isActive()):
videoRect = self.surface.videoRect()
if not videoRect.contains(event.rect()):
region = event.region()
region.subtracted(QRegion(videoRect))
brush = self.palette().window()
for rect in region.rects():
self.painter.fillRect(rect, brush)
try:
self.painter = self.surface.paint(self.painter)
except Exception:
None
else:
self.painter.fillRect(event.rect(), self.palette().window())
try:
SetImageSize(self.surface.currentFrame.width(),
self.surface.currentFrame.height())
except Exception:
None
# Draw On Video
draw.drawOnVideo(self.drawPtPos, self.drawLines, self.drawPolygon,
self.drawRuler, self.drawCesure, self.painter,
self.surface, self.gt)
# Magnifier Glass
if self.zoomed and self._interaction.magnifier:
draw.drawMagnifierOnVideo(self.width(), self.height(),
self.maskPixmap, self.dragPos,
self.zoomPixmap, self.surface,
self.painter, self.offset)
self.painter.end()
return
def resizeEvent(self, event):
"""
:type event: QMouseEvent
:param event:
:return:
"""
QWidget.resizeEvent(self, event)
self.zoomed = False
self.surface.updateVideoRect()
def mouseMoveEvent(self, event):
"""
:type event: QMouseEvent
:param event:
:return:
"""
if GetImageHeight() == 0:
return
# check if the point is on picture (not in black borders)
if (not vut.IsPointOnScreen(event.x(), event.y(), self.surface)):
return
if self._interaction.pointDrawer or self._interaction.polygonDrawer or self._interaction.lineDrawer or self._interaction.ruler:
self.setCursor(QCursor(Qt.CrossCursor))
# Cursor Coordinates
if self.gt is not None:
Longitude, Latitude, Altitude = vut.GetPointCommonCoords(
event, self.surface)
txt = "<span style='font-size:10pt; font-weight:bold;'>Lon :</span>"
txt += "<span style='font-size:9pt; font-weight:normal;'>" + \
("%.3f" % Longitude) + "</span>"
txt += "<span style='font-size:10pt; font-weight:bold;'> Lat :</span>"
txt += "<span style='font-size:9pt; font-weight:normal;'>" + \
("%.3f" % Latitude) + "</span>"
if hasElevationModel():
txt += "<span style='font-size:10pt; font-weight:bold;'> Alt :</span>"
txt += "<span style='font-size:9pt; font-weight:normal;'>" + \
("%.0f" % Altitude) + "</span>"
else:
txt += "<span style='font-size:10pt; font-weight:bold;'> Alt :</span>"
txt += "<span style='font-size:9pt; font-weight:normal;'>-</span>"
self.parent.lb_cursor_coord.setText(txt)
else:
self.parent.lb_cursor_coord.setText(
"<span style='font-size:10pt; font-weight:bold;'>Lon :</span>"
+ "<span style='font-size:9pt; font-weight:normal;'>-</span>" +
"<span style='font-size:10pt; font-weight:bold;'> Lat :</span>"
+ "<span style='font-size:9pt; font-weight:normal;'>-</span>" +
"<span style='font-size:10pt; font-weight:bold;'> Alt :</span>"
+ "<span style='font-size:9pt; font-weight:normal;'>-</span>")
if not event.buttons():
return
if not self.Tracking_RubberBand.isHidden():
self.Tracking_RubberBand.setGeometry(
QRect(self.origin, event.pos()).normalized())
if not self.Censure_RubberBand.isHidden():
self.Censure_RubberBand.setGeometry(
QRect(self.origin, event.pos()).normalized())
if not self.zoomed:
delta = event.pos() - self.pressPos
if not self.snapped:
self.pressPos = event.pos()
self.pan(delta)
self.tapTimer.stop()
return
else:
threshold = 10
self.snapped &= delta.x() < threshold
self.snapped &= delta.y() < threshold
self.snapped &= delta.x() > -threshold
self.snapped &= delta.y() > -threshold
else:
self.dragPos = event.pos()
self.surface.updateVideoRect()
def pan(self, delta):
""" Pan Action (Magnifier method)"""
self.offset += delta
self.surface.updateVideoRect()
def timerEvent(self, _):
""" Time Event (Magnifier method)"""
if not self.zoomed:
self.activateMagnifier()
self.surface.updateVideoRect()
def mousePressEvent(self, event):
"""
:type event: QMouseEvent
:param event:
:return:
"""
if GetImageHeight() == 0:
return
if event.button() == Qt.LeftButton:
self.snapped = True
self.pressPos = self.dragPos = event.pos()
self.tapTimer.stop()
self.tapTimer.start(100, self)
if (not vut.IsPointOnScreen(event.x(), event.y(), self.surface)):
self.UpdateSurface()
return
# point drawer
if self.gt is not None and self._interaction.pointDrawer:
Longitude, Latitude, Altitude = vut.GetPointCommonCoords(
event, self.surface)
pointIndex = len(self.drawPtPos) + 1
AddDrawPointOnMap(pointIndex, Longitude, Latitude, Altitude)
self.drawPtPos.append([Longitude, Latitude, Altitude])
# polygon drawer
if self.gt is not None and self._interaction.polygonDrawer:
Longitude, Latitude, Altitude = vut.GetPointCommonCoords(
event, self.surface)
self.poly_RubberBand.addPoint(QgsPointXY(Longitude, Latitude))
self.poly_coordinates.extend(QgsPointXY(Longitude, Latitude))
self.drawPolygon.append([Longitude, Latitude, Altitude])
# line drawer
if self.gt is not None and self._interaction.lineDrawer:
Longitude, Latitude, Altitude = vut.GetPointCommonCoords(
event, self.surface)
self.drawLines.append([Longitude, Latitude, Altitude])
AddDrawLineOnMap(self.drawLines)
if self._interaction.objectTracking:
self.origin = event.pos()
self.Tracking_RubberBand.setGeometry(
QRect(self.origin, QSize()))
self.Tracking_RubberBand.show()
if self._interaction.censure:
self.origin = event.pos()
self.Censure_RubberBand.setGeometry(QRect(
self.origin, QSize()))
self.Censure_RubberBand.show()
# Ruler drawer
if self.gt is not None and self._interaction.ruler:
Longitude, Latitude, Altitude = vut.GetPointCommonCoords(
event, self.surface)
self.drawRuler.append([Longitude, Latitude, Altitude])
# if not called, the paint event is not triggered.
self.UpdateSurface()
def activateMagnifier(self):
""" Activate Magnifier Glass """
self.zoomed = True
self.tapTimer.stop()
self.surface.updateVideoRect()
def SetMagnifier(self, value):
""" Set Magnifier Glass """
self._interaction.magnifier = value
def SetPointDrawer(self, value):
""" Set Point Drawer """
self._interaction.pointDrawer = value
def SetLineDrawer(self, value):
""" Set Line Drawer """
self._interaction.lineDrawer = value
def SetPolygonDrawer(self, value):
""" Set Polygon Drawer """
self._interaction.polygonDrawer = value
def mouseReleaseEvent(self, _):
"""
:type event: QMouseEvent
:param event:
:return:
"""
if self._interaction.censure:
geom = self.Tracking_RubberBand.geometry()
self.Censure_RubberBand.hide()
self.drawCesure.append([geom])
if self._interaction.objectTracking:
geom = self.Tracking_RubberBand.geometry()
bbox = (geom.x(), geom.y(), geom.width(), geom.height())
frame = convertQImageToMat(self.GetCurrentFrame())
self.Tracking_RubberBand.hide()
self.tracker = cv2.TrackerBoosting_create()
self.tracker.clear()
ok = self.tracker.init(frame, bbox)
if ok:
self._isinit = True
else:
self._isinit = False
def leaveEvent(self, _):
self.parent.lb_cursor_coord.setText("")
self.setCursor(QCursor(Qt.ArrowCursor))
class MyGraphicsView(CanvasBase):
"""
This is the used Canvas to print the graphical interface of dxf2gcode.
All GUI things should be performed in the View and plotting functions in
the scene
"""
def __init__(self, parent=None):
"""
Initialisation of the View Object. This is called by the gui created
with the QTDesigner.
@param parent: Main is passed as a pointer for reference.
"""
super(MyGraphicsView, self).__init__(parent)
self.currentItem = None
self.setTransformationAnchor(QGraphicsView.AnchorUnderMouse)
self.setResizeAnchor(QGraphicsView.AnchorViewCenter)
# self.setDragMode(QGraphicsView.RubberBandDrag )
self.setDragMode(QGraphicsView.NoDrag)
self.parent = parent
self.mppos = None
self.rubberBand = QRubberBand(QRubberBand.Rectangle, self)
self.prvRectRubberBand = QtCore.QRect()
def tr(self, string_to_translate):
"""
Translate a string using the QCoreApplication translation framework
@param string_to_translate: a unicode string
@return: the translated unicode string if it was possible to translate
"""
return text_type(
QtCore.QCoreApplication.translate('MyGraphicsView',
string_to_translate))
def contextMenuEvent(self, event):
"""
Create the contextmenu.
@purpose: Links the new Class of ContextMenu to Graphicsview.
"""
position = self.mapToGlobal(event.pos())
GVPos = self.mapToScene(event.pos())
real_pos = Point(GVPos.x(), -GVPos.y())
menu = MyDropDownMenu(self.scene(), position, real_pos)
def wheelEvent(self, event):
"""
With Mouse Wheel the object is scaled
@purpose: Scale by mouse wheel
@param event: Event Parameters passed to function
"""
if c.PYQT5notPYQT4:
delta = event.angleDelta().y()
else:
delta = event.delta()
scale = (1000 + delta) / 1000.0
self.scale(scale, scale)
def mousePressEvent(self, event):
"""
Right Mouse click shall have no function, Therefore pass only left
click event
@purpose: Change inherited mousePressEvent
@param event: Event Parameters passed to function
"""
if self.dragMode() == 1:
super(MyGraphicsView, self).mousePressEvent(event)
elif event.button() == QtCore.Qt.LeftButton:
self.mppos = event.pos()
else:
pass
def mouseReleaseEvent(self, event):
"""
Right Mouse click shall have no function, Therefore pass only left
click event
@purpose: Change inherited mousePressEvent
@param event: Event Parameters passed to function
"""
delta = 2
if self.dragMode() == 1:
# if (event.key() == QtCore.Qt.Key_Shift):
# self.setDragMode(QGraphicsView.NoDrag)
super(MyGraphicsView, self).mouseReleaseEvent(event)
# Selection only enabled for left Button
elif event.button() == QtCore.Qt.LeftButton:
self.currentItems = []
scene = self.scene()
if not self.isMultiSelect:
for item in scene.selectedItems():
item.setSelected(False, False)
# If the mouse button is pressed without movement of rubberband
if self.rubberBand.isHidden():
rect = QtCore.QRect(event.pos().x() - delta,
event.pos().y() - delta, 2 * delta,
2 * delta)
# logger.debug(rect)
point = self.mapToScene(event.pos())
min_distance = float(0x7fffffff)
for item in self.items(rect):
itemDistance = item.contains_point(point)
if itemDistance < min_distance:
min_distance = itemDistance
self.currentItems = item
if self.currentItems:
if self.currentItems.isSelected():
self.currentItems.setSelected(False, False)
else:
self.currentItems.setSelected(True, False)
else:
rect = self.rubberBand.geometry()
self.currentItems = self.items(rect)
self.rubberBand.hide()
# logger.debug("Rubberband Selection")
# All items in the selection
# self.currentItems = self.items(rect)
# print self.currentItems
# logger.debug(rect)
for item in self.currentItems:
if item.isSelected():
item.setSelected(False, False)
else:
# print (item.flags())
item.setSelected(True, False)
else:
pass
self.mppos = None
# super(MyGraphicsView, self).mouseReleaseEvent(event)
def mouseMoveEvent(self, event):
"""
MouseMoveEvent of the Graphiscview. May also be used for the Statusbar.
@purpose: Get the MouseMoveEvent and use it for the Rubberband Selection
@param event: Event Parameters passed to function
"""
if self.mppos is not None:
Point = event.pos() - self.mppos
if Point.manhattanLength() > 3:
# print 'the mouse has moved more than 3 pixels since the oldPosition'
# print "Mouse Pointer is currently hovering at: ", event.pos()
rect = QtCore.QRect(self.mppos, event.pos())
'''
The following is needed because of PyQt5 doesn't like to switch from sign
it will keep displaying last rectangle, i.e. you can end up will multiple rectangles
'''
if self.prvRectRubberBand.width() > 0 and not rect.width() > 0 or rect.width() == 0 or\
self.prvRectRubberBand.height() > 0 and not rect.height() > 0 or rect.height() == 0:
self.rubberBand.hide()
self.rubberBand.setGeometry(rect.normalized())
self.rubberBand.show()
self.prvRectRubberBand = rect
scpoint = self.mapToScene(event.pos())
# self.setStatusTip('X: %3.1f; Y: %3.1f' % (scpoint.x(), -scpoint.y()))
# works not as supposed to
self.setToolTip('X: %3.1f; Y: %3.1f' % (scpoint.x(), -scpoint.y()))
super(MyGraphicsView, self).mouseMoveEvent(event)
def autoscale(self):
"""
Automatically zooms to the full extend of the current GraphicsScene
"""
scene = self.scene()
width = scene.BB.Pe.x - scene.BB.Ps.x
height = scene.BB.Pe.y - scene.BB.Ps.y
scext = QtCore.QRectF(scene.BB.Ps.x, -scene.BB.Pe.y, width * 1.05,
height * 1.05)
self.fitInView(scext, QtCore.Qt.KeepAspectRatio)
logger.debug(self.tr("Autoscaling to extend: %s") % scext)
def setShowPathDirections(self, flag):
"""
This function is called by the Main Window from the Menubar.
@param flag: This flag is true if all Path Direction shall be shown
"""
scene = self.scene()
for shape in scene.shapes:
shape.starrow.setallwaysshow(flag)
shape.enarrow.setallwaysshow(flag)
shape.stmove.setallwaysshow(flag)
def resetAll(self):
"""
Deletes the existing GraphicsScene.
"""
scene = self.scene()
del scene
class MyGraphicsView(CanvasBase):
"""
This is the used Canvas to print the graphical interface of dxf2gcode.
All GUI things should be performed in the View and plotting functions in
the scene
"""
def __init__(self, parent=None):
"""
Initialisation of the View Object. This is called by the gui created
with the QTDesigner.
@param parent: Main is passed as a pointer for reference.
"""
super(MyGraphicsView, self).__init__(parent)
self.currentItem = None
self.setTransformationAnchor(QGraphicsView.AnchorUnderMouse)
self.setResizeAnchor(QGraphicsView.AnchorViewCenter)
# self.setDragMode(QGraphicsView.RubberBandDrag )
self.setDragMode(QGraphicsView.NoDrag)
self.parent = parent
self.mppos = None
self.rubberBand = QRubberBand(QRubberBand.Rectangle, self)
self.prvRectRubberBand = QtCore.QRect()
def tr(self, string_to_translate):
"""
Translate a string using the QCoreApplication translation framework
@param string_to_translate: a unicode string
@return: the translated unicode string if it was possible to translate
"""
return text_type(QtCore.QCoreApplication.translate('MyGraphicsView',
string_to_translate))
def contextMenuEvent(self, event):
"""
Create the contextmenu.
@purpose: Links the new Class of ContextMenu to Graphicsview.
"""
position = self.mapToGlobal(event.pos())
GVPos = self.mapToScene(event.pos())
real_pos = Point(GVPos.x(), -GVPos.y())
menu = MyDropDownMenu(self.scene(), position, real_pos)
def wheelEvent(self, event):
"""
With Mouse Wheel the object is scaled
@purpose: Scale by mouse wheel
@param event: Event Parameters passed to function
"""
if c.PYQT5notPYQT4:
delta = event.angleDelta().y()
else:
delta = event.delta()
scale = (1000 + delta) / 1000.0
self.scale(scale, scale)
def mousePressEvent(self, event):
"""
Right Mouse click shall have no function, Therefore pass only left
click event
@purpose: Change inherited mousePressEvent
@param event: Event Parameters passed to function
"""
if self.dragMode() == 1:
super(MyGraphicsView, self).mousePressEvent(event)
elif event.button() == QtCore.Qt.LeftButton:
self.mppos = event.pos()
else:
pass
def mouseReleaseEvent(self, event):
"""
Right Mouse click shall have no function, Therefore pass only left
click event
@purpose: Change inherited mousePressEvent
@param event: Event Parameters passed to function
"""
delta = 2
if self.dragMode() == 1:
# if (event.key() == QtCore.Qt.Key_Shift):
# self.setDragMode(QGraphicsView.NoDrag)
super(MyGraphicsView, self).mouseReleaseEvent(event)
# Selection only enabled for left Button
elif event.button() == QtCore.Qt.LeftButton:
self.currentItems = []
scene = self.scene()
if not self.isMultiSelect:
for item in scene.selectedItems():
item.setSelected(False, False)
# If the mouse button is pressed without movement of rubberband
if self.rubberBand.isHidden():
rect = QtCore.QRect(event.pos().x()-delta,
event.pos().y() - delta,
2 * delta, 2*delta)
# logger.debug(rect)
point = self.mapToScene(event.pos())
min_distance = float(0x7fffffff)
for item in self.items(rect):
itemDistance = item.contains_point(point)
if itemDistance < min_distance:
min_distance = itemDistance
self.currentItems = item
if self.currentItems:
if self.currentItems.isSelected():
self.currentItems.setSelected(False, False)
else:
self.currentItems.setSelected(True, False)
else:
rect = self.rubberBand.geometry()
self.currentItems = self.items(rect)
self.rubberBand.hide()
# logger.debug("Rubberband Selection")
# All items in the selection
# self.currentItems = self.items(rect)
# print self.currentItems
# logger.debug(rect)
for item in self.currentItems:
if item.isSelected():
item.setSelected(False, False)
else:
# print (item.flags())
item.setSelected(True, False)
else:
pass
self.mppos = None
# super(MyGraphicsView, self).mouseReleaseEvent(event)
def mouseMoveEvent(self, event):
"""
MouseMoveEvent of the Graphiscview. May also be used for the Statusbar.
@purpose: Get the MouseMoveEvent and use it for the Rubberband Selection
@param event: Event Parameters passed to function
"""
if self.mppos is not None:
Point = event.pos() - self.mppos
if Point.manhattanLength() > 3:
# print 'the mouse has moved more than 3 pixels since the oldPosition'
# print "Mouse Pointer is currently hovering at: ", event.pos()
rect = QtCore.QRect(self.mppos, event.pos())
'''
The following is needed because of PyQt5 doesn't like to switch from sign
it will keep displaying last rectangle, i.e. you can end up will multiple rectangles
'''
if self.prvRectRubberBand.width() > 0 and not rect.width() > 0 or rect.width() == 0 or\
self.prvRectRubberBand.height() > 0 and not rect.height() > 0 or rect.height() == 0:
self.rubberBand.hide()
self.rubberBand.setGeometry(rect.normalized())
self.rubberBand.show()
self.prvRectRubberBand = rect
scpoint = self.mapToScene(event.pos())
# self.setStatusTip('X: %3.1f; Y: %3.1f' % (scpoint.x(), -scpoint.y()))
# works not as supposed to
self.setToolTip('X: %3.1f; Y: %3.1f' %(scpoint.x(), -scpoint.y()))
super(MyGraphicsView, self).mouseMoveEvent(event)
def autoscale(self):
"""
Automatically zooms to the full extend of the current GraphicsScene
"""
scene = self.scene()
width = scene.bottomRight.x - scene.topLeft.x
height = scene.topLeft.y - scene.bottomRight.y
scext = QtCore.QRectF(scene.topLeft.x, -scene.topLeft.y, width * 1.05, height * 1.05)
self.fitInView(scext, QtCore.Qt.KeepAspectRatio)
logger.debug(self.tr("Autoscaling to extend: %s") % scext)
def setShowPathDirections(self, flag):
"""
This function is called by the Main Window from the Menubar.
@param flag: This flag is true if all Path Direction shall be shown
"""
scene = self.scene()
for shape in scene.shapes:
shape.starrow.setallwaysshow(flag)
shape.enarrow.setallwaysshow(flag)
shape.stmove.setallwaysshow(flag)
def resetAll(self):
"""
Deletes the existing GraphicsScene.
"""
scene = self.scene()
del scene
