def keyPressed(self, event):
if (self.mAction != Action.NoAction):
event.ignore()
return
moveBy = QPointF()
x = event.key()
if x == Qt.Key_Up:
moveBy = QPointF(0, -1)
elif x == Qt.Key_Down:
moveBy = QPointF(0, 1)
elif x == Qt.Key_Left:
moveBy = QPointF(-1, 0)
elif x == Qt.Key_Right:
moveBy = QPointF(1, 0)
else:
super().keyPressed(event)
return
items = self.mapScene().selectedObjectItems()
modifiers = event.modifiers()
if (moveBy.isNull() or items.isEmpty()
or (modifiers & Qt.ControlModifier)):
event.ignore()
return
moveFast = modifiers & Qt.ShiftModifier
snapToFineGrid = preferences.Preferences.instance().snapToFineGrid()
if (moveFast):
# TODO: This only makes sense for orthogonal maps
moveBy.setX(moveBy.x() * self.mapDocument().map().tileWidth())
moveBy.setX(moveBy.y() * self.mapDocument().map().tileHeight())
if (snapToFineGrid):
moveBy /= preferences.Preferences.instance().gridFine()
undoStack = self.mapDocument().undoStack()
undoStack.beginMacro(self.tr("Move %n Object(s)", "", items.size()))
i = 0
for objectItem in items:
object = objectItem.mapObject()
oldPos = object.position()
newPos = oldPos + moveBy
undoStack.push(
MoveMapObject(self.mapDocument(), object, newPos, oldPos))
i += 1
undoStack.endMacro()
def keyPressed(self, event):
if (self.mAction != Action.NoAction):
event.ignore()
return
moveBy = QPointF()
x = event.key()
if x==Qt.Key_Up:
moveBy = QPointF(0, -1)
elif x==Qt.Key_Down:
moveBy = QPointF(0, 1)
elif x==Qt.Key_Left:
moveBy = QPointF(-1, 0)
elif x==Qt.Key_Right:
moveBy = QPointF(1, 0)
else:
super().keyPressed(event)
return
items = self.mapScene().selectedObjectItems()
modifiers = event.modifiers()
if (moveBy.isNull() or items.isEmpty() or (modifiers & Qt.ControlModifier)):
event.ignore()
return
moveFast = modifiers & Qt.ShiftModifier
snapToFineGrid = preferences.Preferences.instance().snapToFineGrid()
if (moveFast):
# TODO: This only makes sense for orthogonal maps
moveBy.setX(moveBy.x() * self.mapDocument().map().tileWidth())
moveBy.setX(moveBy.y() * self.mapDocument().map().tileHeight())
if (snapToFineGrid):
moveBy /= preferences.Preferences.instance().gridFine()
undoStack = self.mapDocument().undoStack()
undoStack.beginMacro(self.tr("Move %n Object(s)", "", items.size()))
i = 0
for objectItem in items:
object = objectItem.mapObject()
oldPos = object.position()
newPos = oldPos + moveBy
undoStack.push(MoveMapObject(self.mapDocument(), object, newPos, oldPos))
i += 1
undoStack.endMacro()
class LineSeries(QLineSeries):
def __init__(self, *args, **kwargs):
QLineSeries.__init__(self, *args, **kwargs)
self.start = QPointF()
self.pressed.connect(self.on_pressed)
def on_pressed(self, point):
self.start = point
print("on_pressed", point)
def shift(self, delta):
if not delta.isNull():
for ix in range(self.count()):
p = self.at(ix)
p += delta
self.replace(ix, p)
def customEvent(self, event):
if event.type() == ReleasePosEvent.EventType:
if not self.start.isNull():
dpoint = event.point - self.start
self.shift(dpoint)
self.start = QPointF()
class CanvasWidget(QWidget):
CREATE, EDIT = list(range(2))
CURSOR_DEFAULT = Qt.ArrowCursor
CURSOR_POINT = Qt.PointingHandCursor
CURSOR_DRAW = Qt.CrossCursor
CURSOR_MOVE = Qt.ClosedHandCursor
CURSOR_GRAB = Qt.OpenHandCursor
def __init__(self, *args, **kwargs):
super(CanvasWidget, self).__init__(*args, **kwargs)
self.mode = self.EDIT
self.pixmap = QPixmap()
self._painter = QPainter()
@property
def drawing(self):
return self.mode == self.CREATE
@property
def editing(self):
return self.mode == self.EDIT
@editing.setter
def editing(self, value=True):
self.mode = self.EDIT if value else self.CREATE
if not value: # Create
self.unHighlight()
self.deSelectShape()
self.prevPoint = QPointF()
self.repaint()
# These two, along with a call to adjustSize are required for the
# scroll area.
def sizeHint(self):
return self.minimumSizeHint()
def minimumSizeHint(self):
if self.pixmap:
return self.scale * self.pixmap.size()
return super(CanvasWidget, self).minimumSizeHint()
def enterEvent(self, ev):
self.overrideCursor(self._cursor)
def leaveEvent(self, ev):
self.restoreCursor()
def focusOutEvent(self, ev):
self.restoreCursor()
def isVisible(self, shape):
return self.visible.get(shape, True)
def mouseMoveEvent(self, ev):
"""Update line with last point and current coordinates."""
pos = self.transformPos(ev.pos())
# Update coordinates in status bar if image is opened
window = self.parent().window()
if window.filePath is not None:
self.parent().window().labelCoordinates.setText('X: %d; Y: %d' %
(pos.x(), pos.y()))
# Polygon drawing.
if self.drawing:
self.overrideCursor(self.CURSOR_DRAW)
if self.current:
# Display annotation width and height while drawing
currentWidth = abs(self.current[0].x() - pos.x())
currentHeight = abs(self.current[0].y() - pos.y())
self.parent().window().labelCoordinates.setText(
'Width: %d, Height: %d / X: %d; Y: %d' %
(currentWidth, currentHeight, pos.x(), pos.y()))
color = self.drawingLineColor
if self.outOfPixmap(pos):
# Don't allow the user to draw outside the pixmap.
# Project the point to the pixmap's edges.
pos = self.intersectionPoint(self.current[-1], pos)
elif len(self.current) > 1 and self.closeEnough(
pos, self.current[0]):
# Attract line to starting point and colorise to alert the
# user:
pos = self.current[0]
color = self.current.line_color
self.overrideCursor(self.CURSOR_POINT)
self.current.highlightVertex(0, Shape.NEAR_VERTEX)
if self.drawSquare:
initPos = self.current[0]
minX = initPos.x()
minY = initPos.y()
min_size = min(abs(pos.x() - minX), abs(pos.y() - minY))
directionX = -1 if pos.x() - minX < 0 else 1
directionY = -1 if pos.y() - minY < 0 else 1
self.line[1] = QPointF(minX + directionX * min_size,
minY + directionY * min_size)
else:
self.line[1] = pos
self.line.line_color = color
self.prevPoint = QPointF()
self.current.highlightClear()
else:
self.prevPoint = pos
self.repaint()
return
# Polygon copy moving.
if Qt.RightButton & ev.buttons():
if self.selectedShapeCopy and self.prevPoint:
self.overrideCursor(self.CURSOR_MOVE)
self.boundedMoveShape(self.selectedShapeCopy, pos)
self.repaint()
elif self.selectedShape:
self.selectedShapeCopy = self.selectedShape.copy()
self.repaint()
return
# Polygon/Vertex moving.
if Qt.LeftButton & ev.buttons():
if self.selectedVertex():
self.boundedMoveVertex(pos)
self.shapeMoved.emit()
self.repaint()
elif self.selectedShape and self.prevPoint:
self.overrideCursor(self.CURSOR_MOVE)
self.boundedMoveShape(self.selectedShape, pos)
self.shapeMoved.emit()
self.repaint()
return
# Just hovering over the canvas, 2 posibilities:
# - Highlight shapes
# - Highlight vertex
# Update shape/vertex fill and tooltip value accordingly.
self.setToolTip("Image")
for shape in reversed([s for s in self.shapes if self.isVisible(s)]):
# Look for a nearby vertex to highlight. If that fails,
# check if we happen to be inside a shape.
index = shape.nearestVertex(pos, self.epsilon)
if index is not None:
if self.selectedVertex():
self.hShape.highlightClear()
self.hVertex, self.hShape = index, shape
shape.highlightVertex(index, shape.MOVE_VERTEX)
self.overrideCursor(self.CURSOR_POINT)
self.setToolTip("Click & drag to move point")
self.setStatusTip(self.toolTip())
self.update()
break
elif shape.containsPoint(pos):
if self.selectedVertex():
self.hShape.highlightClear()
self.hVertex, self.hShape = None, shape
self.setToolTip("Click & drag to move shape '%s'" %
shape.label)
self.setStatusTip(self.toolTip())
self.overrideCursor(self.CURSOR_GRAB)
self.update()
break
else: # Nothing found, clear highlights, reset state.
if self.hShape:
self.hShape.highlightClear()
self.update()
self.hVertex, self.hShape = None, None
self.overrideCursor(self.CURSOR_DEFAULT)
def mousePressEvent(self, ev):
pos = self.transformPos(ev.pos())
if ev.button() == Qt.LeftButton:
if self.drawing:
self.handleDrawing(pos)
else:
self.selectShapePoint(pos)
self.prevPoint = pos
self.repaint()
elif ev.button() == Qt.RightButton and self.editing:
self.selectShapePoint(pos)
self.prevPoint = pos
self.repaint()
def mouseReleaseEvent(self, ev):
if ev.button() == Qt.RightButton:
menu = self.menus[bool(self.selectedShapeCopy)]
self.restoreCursor()
if not menu.exec_(self.mapToGlobal(ev.pos())) \
and self.selectedShapeCopy:
# Cancel the move by deleting the shadow copy.
self.selectedShapeCopy = None
self.repaint()
elif ev.button() == Qt.LeftButton and self.selectedShape:
if self.selectedVertex():
self.overrideCursor(self.CURSOR_POINT)
else:
self.overrideCursor(self.CURSOR_GRAB)
elif ev.button() == Qt.LeftButton:
pos = self.transformPos(ev.pos())
if self.drawing:
self.handleDrawing(pos)
def mouseDoubleClickEvent(self, ev):
# We need at least 4 points here, since the mousePress handler
# adds an extra one before this handler is called.
if self.canCloseShape() and len(self.current) > 3:
self.current.popPoint()
self.finalise()
def wheelEvent(self, ev):
delta = ev.angleDelta()
h_delta = delta.x()
v_delta = delta.y()
mods = ev.modifiers()
if Qt.ControlModifier == int(mods) and v_delta:
self.zoomRequest.emit(v_delta)
else:
v_delta and self.scrollRequest.emit(v_delta, Qt.Vertical)
h_delta and self.scrollRequest.emit(h_delta, Qt.Horizontal)
ev.accept()
def keyPressEvent(self, ev):
key = ev.key()
if key == Qt.Key_Escape and self.current:
print('ESC press')
self.current = None
self.drawingPolygon.emit(False)
self.update()
elif key == Qt.Key_Return and self.canCloseShape():
self.finalise()
elif key == Qt.Key_Left and self.selectedShape:
self.moveOnePixel('Left')
elif key == Qt.Key_Right and self.selectedShape:
self.moveOnePixel('Right')
elif key == Qt.Key_Up and self.selectedShape:
self.moveOnePixel('Up')
elif key == Qt.Key_Down and self.selectedShape:
self.moveOnePixel('Down')
def paintEvent(self, event):
if not self.pixmap:
return super(CanvasWidget, self).paintEvent(event)
p = self._painter
p.begin(self)
p.setRenderHint(QPainter.Antialiasing)
p.setRenderHint(QPainter.HighQualityAntialiasing)
p.setRenderHint(QPainter.SmoothPixmapTransform)
p.scale(self.scale, self.scale)
p.translate(self.offsetToCenter())
p.drawPixmap(0, 0, self.pixmap)
Shape.scale = self.scale
for shape in self.shapes:
if (shape.selected
or not self._hideBackground) and self.isVisible(shape):
shape.fill = shape.selected or shape == self.hShape
shape.paint(p)
if self.current:
self.current.paint(p)
self.line.paint(p)
if self.selectedShapeCopy:
self.selectedShapeCopy.paint(p)
# Paint rect
if self.current is not None and len(self.line) == 2:
leftTop = self.line[0]
rightBottom = self.line[1]
rectWidth = rightBottom.x() - leftTop.x()
rectHeight = rightBottom.y() - leftTop.y()
p.setPen(self.drawingRectColor)
brush = QBrush(Qt.BDiagPattern)
p.setBrush(brush)
p.drawRect(leftTop.x(), leftTop.y(), rectWidth, rectHeight)
if self.drawing and not self.prevPoint.isNull(
) and not self.outOfPixmap(self.prevPoint):
p.setPen(QColor(0, 0, 0))
p.drawLine(self.prevPoint.x(), 0, self.prevPoint.x(),
self.pixmap.height())
p.drawLine(0, self.prevPoint.y(), self.pixmap.width(),
self.prevPoint.y())
self.setAutoFillBackground(True)
if self.verified:
pal = self.palette()
pal.setColor(self.backgroundRole(), QColor(184, 239, 38, 128))
self.setPalette(pal)
else:
pal = self.palette()
pal.setColor(self.backgroundRole(), QColor(25, 35, 45, 255))
self.setPalette(pal)
p.end()
