Beispiel #1
0
    def mouseEvent(self, type, target, event):
        """transform QMouseEvent to MouseEvent"""
        btn_mask = MouseEvent.NO_BUTTON
        mod_mask = MouseEvent.NO_MODIFIER
        if event.buttons() & QtCore.Qt.LeftButton:
            btn_mask |= MouseEvent.LEFT_BUTTON
        if event.buttons() & QtCore.Qt.RightButton:
            btn_mask |= MouseEvent.RIGHT_BUTTON

        # special case: store last btn_mask in MouseEvent of type MOUSE_RELEASE
        #               to indicate which button has been released.
        if (type == MouseEvent.MOUSE_RELEASE
                and btn_mask == MouseEvent.NO_BUTTON):
            btn_mask = self._last_btn_mask

        if event.modifiers() & QtCore.Qt.ShiftModifier:
            mod_mask |= MouseEvent.SHIFT_MODIFIER
        if event.modifiers() & QtCore.Qt.ControlModifier:
            mod_mask |= MouseEvent.CONTROL_MODIFIER
        if event.modifiers() & QtCore.Qt.AltModifier:
            mod_mask |= MouseEvent.ALT_MODIFIER
        if event.modifiers() & QtCore.Qt.MetaModifier:
            mod_mask |= MouseEvent.META_MODIFIER
        if event.modifiers() & QtCore.Qt.KeypadModifier:
            mod_mask |= MouseEvent.KEYPAD_MODIFIER
        if event.modifiers() & QtCore.Qt.GroupSwitchModifier:
            mod_mask |= MouseEvent.GROUP_SWITCH_MODIFIER

        # In order to support multiple plots in one widget
        # it is necessary to set the window in respect to the current
        # `PlotAxes` below the cursor. Otherwise the window will be determined
        # using the internal state machine of ``gr``.
        coords = DeviceCoordConverter(target.dwidth, target.dheight)
        coords.setDC(event.x(), event.y())
        plots = target._getPlotsForPoint(coords.getNDC())
        window, scale = None, None
        if plots and len(plots) == 1:  # unambitious plot
            axes = plots[0].getAxes(0)  # use first `PlotAxes`
            if axes:
                window = axes.getWindow()
                scale = axes.scale
                gr.setscale(axes.scale)

        mEvent = MouseEvent(type,
                            target.dwidth,
                            target.dheight,
                            event.x(),
                            event.y(),
                            btn_mask,
                            mod_mask,
                            window=window,
                            scale=scale)
        # special case:
        # save last btn_mask for handling in MouseEvent.MOUSE_RELEASE
        self._last_btn_mask = btn_mask
        return mEvent
Beispiel #2
0
    def mouseEvent(self, type, target, event):
        """transform QMouseEvent to MouseEvent"""
        btn_mask = MouseEvent.NO_BUTTON
        mod_mask = MouseEvent.NO_MODIFIER
        if event.buttons() & QtCore.Qt.LeftButton:
            btn_mask |= MouseEvent.LEFT_BUTTON
        if event.buttons() & QtCore.Qt.RightButton:
            btn_mask |= MouseEvent.RIGHT_BUTTON

        # special case: store last btn_mask in MouseEvent of type MOUSE_RELEASE
        #               to indicate which button has been released.
        if (type == MouseEvent.MOUSE_RELEASE and
            btn_mask == MouseEvent.NO_BUTTON):
            btn_mask = self._last_btn_mask

        if event.modifiers() & QtCore.Qt.ShiftModifier:
            mod_mask |= MouseEvent.SHIFT_MODIFIER
        if event.modifiers() & QtCore.Qt.ControlModifier:
            mod_mask |= MouseEvent.CONTROL_MODIFIER
        if event.modifiers() & QtCore.Qt.AltModifier:
            mod_mask |= MouseEvent.ALT_MODIFIER
        if event.modifiers() & QtCore.Qt.MetaModifier:
            mod_mask |= MouseEvent.META_MODIFIER
        if event.modifiers() & QtCore.Qt.KeypadModifier:
            mod_mask |= MouseEvent.KEYPAD_MODIFIER
        if event.modifiers() & QtCore.Qt.GroupSwitchModifier:
            mod_mask |= MouseEvent.GROUP_SWITCH_MODIFIER

        # In order to support multiple plots in one widget
        # it is necessary to set the window in respect to the current
        # `PlotAxes` below the cursor. Otherwise the window will be determined
        # using the internal state machine of ``gr``.
        coords = DeviceCoordConverter(target.dwidth, target.dheight)
        coords.setDC(event.x(), event.y())
        plots = target._getPlotsForPoint(coords.getNDC())
        window = None
        if plots and len(plots) == 1:  # unambitious plot
            axes = plots[0].getAxes(0)  # use first `PlotAxes`
            if axes:
                window = axes.getWindow()
                gr.setscale(axes.scale)

        mEvent = MouseEvent(type, target.dwidth, target.dheight,
                            event.x(), event.y(), btn_mask, mod_mask,
                            window=window)
        # special case:
        # save last btn_mask for handling in MouseEvent.MOUSE_RELEASE
        self._last_btn_mask = btn_mask
        return mEvent
Beispiel #3
0
Datei: base.py Projekt: j-fu/gr
class MouseLocationEventMeta(EventMeta):

    def __init__(self, type, width, height, x, y, window=None):
        super(MouseLocationEventMeta, self).__init__(type)
        self._coords = DeviceCoordConverter(width, height, window=window)
        self._coords.setDC(x, y)

    def getWindow(self):
        return self._coords.getWindow()

    def getWC(self, viewport):
        return self._coords.getWC(viewport)

    def getNDC(self):
        return self._coords.getNDC()

    def getDC(self):
        return self._coords.getDC()
Beispiel #4
0
Datei: base.py Projekt: faroit/gr
class MouseLocationEventMeta(EventMeta):

    def __init__(self, type, width, height, x, y, window=None):
        super(MouseLocationEventMeta, self).__init__(type)
        self._coords = DeviceCoordConverter(width, height, window=window)
        self._coords.setDC(x, y)

    def getWindow(self):
        return self._coords.getWindow()

    def getWC(self, viewport):
        return self._coords.getWC(viewport)

    def getNDC(self):
        return self._coords.getNDC()

    def getDC(self):
        return self._coords.getDC()