Python PyQt5.QtGui.QMouseEvent() Examples

def event(self, e):
        if not isinstance(e, (
                QtCore.QEvent,
                QtCore.QChildEvent,
                QtCore.QDynamicPropertyChangeEvent,
                QtGui.QPaintEvent,
                QtGui.QHoverEvent,
                QtGui.QMoveEvent,
                QtGui.QEnterEvent,
                QtGui.QResizeEvent,
                QtGui.QShowEvent,
                QtGui.QPlatformSurfaceEvent,
                QtGui.QWindowStateChangeEvent,
                QtGui.QKeyEvent,
                QtGui.QWheelEvent,
                QtGui.QMouseEvent,
                QtGui.QFocusEvent,
                QtGui.QHelpEvent,
                QtGui.QHideEvent,
                QtGui.QCloseEvent,
                QtGui.QInputMethodQueryEvent,
                QtGui.QContextMenuEvent,
                )):
            log().warning("unknown event: %r %r", e.type(), e)
        return super().event(e) 

def mousePressEvent(self, event: QtGui.QMouseEvent) -> None:
        if event.buttons() == QtCore.Qt.RightButton:
            event.ignore()
            return
        if event.buttons() == QtCore.Qt.MiddleButton:
            # Drag event
            event.accept()
            self.moveStartX = event.x()
            self.moveStartY = event.y()
            return
        if event.modifiers() == QtCore.Qt.ShiftModifier:
            self.draggedMarker = self.getNearestMarker(event.x(), event.y())
        elif event.modifiers() == QtCore.Qt.ControlModifier:
            event.accept()
            self.draggedBox = True
            self.draggedBoxStart = (event.x(), event.y())
            return
        self.mouseMoveEvent(event) 

def _click_fake_event(self, click_target: usertypes.ClickTarget,
                          button: Qt.MouseButton = Qt.LeftButton) -> None:
        """Send a fake click event to the element."""
        pos = self._mouse_pos()

        log.webelem.debug("Sending fake click to {!r} at position {} with "
                          "target {}".format(self, pos, click_target))

        target_modifiers = {
            usertypes.ClickTarget.normal: Qt.NoModifier,
            usertypes.ClickTarget.window: Qt.AltModifier | Qt.ShiftModifier,
            usertypes.ClickTarget.tab: Qt.ControlModifier,
            usertypes.ClickTarget.tab_bg: Qt.ControlModifier,
        }
        if config.val.tabs.background:
            target_modifiers[usertypes.ClickTarget.tab] |= Qt.ShiftModifier
        else:
            target_modifiers[usertypes.ClickTarget.tab_bg] |= Qt.ShiftModifier

        modifiers = typing.cast(Qt.KeyboardModifiers,
                                target_modifiers[click_target])

        events = [
            QMouseEvent(QEvent.MouseMove, pos, Qt.NoButton, Qt.NoButton,
                        Qt.NoModifier),
            QMouseEvent(QEvent.MouseButtonPress, pos, button, button,
                        modifiers),
            QMouseEvent(QEvent.MouseButtonRelease, pos, button, Qt.NoButton,
                        modifiers),
        ]

        for evt in events:
            self._tab.send_event(evt)

        QTimer.singleShot(0, self._move_text_cursor) 

def hover(self) -> None:
        """Simulate a mouse hover over the element."""
        pos = self._mouse_pos()
        event = QMouseEvent(QEvent.MouseMove, pos, Qt.NoButton, Qt.NoButton,
                            Qt.NoModifier)
        self._tab.send_event(event) 

def send_fake_event(self, val):
        self.fake_mousemove_event = ("libmpv", True)
        pos = self.cursor().pos()
        if not self.pointer_moved:
            new_point = QtCore.QPoint(pos.x() + 1, pos.y())
            self.pointer_moved = True
        else:
            new_point = QtCore.QPoint(pos.x() - 1, pos.y())
            self.pointer_moved = False
        self.cursor().setPos(new_point)
        if val == "mouse_release":
            event = QtGui.QMouseEvent(
                        QtCore.QEvent.MouseButtonRelease,
                        new_point,
                        QtCore.Qt.LeftButton,
                        QtCore.Qt.LeftButton,
                        QtCore.Qt.NoModifier,
                    )
        elif val == "mouse_move":
            event = QtGui.QMouseEvent(
                        QtCore.QEvent.MouseMove,
                        new_point,
                        QtCore.Qt.NoButton,
                        QtCore.Qt.NoButton,
                        QtCore.Qt.NoModifier,
                    )
        self.ui.gui_signals.mouse_move_method((self, event)) 

def make_widget_clickable(parent):
    """
    Takes any QtWidgets.QWidget derived class and emits a signal emitting on mousePressEvent.
    """

    # noinspection PyPep8Naming
    class ClickableWidgetSubclass(parent):
        """
            A widget that emits a clicked signal when the mouse is pressed.
        """

        #: signal
        clicked = QtCore.pyqtSignal(QtGui.QMouseEvent)

        def __init__(self, *args, **kwargs):
            super().__init__(*args, **kwargs)

        def mousePressEvent(self, event):  # noqa: N802
            """
            Mouse has been pressed, process the event, then emit the signal.

            :param event:
            """
            super().mousePressEvent(event)
            self.clicked.emit(event)

    return ClickableWidgetSubclass 

def mousePressEvent(self, event: QMouseEvent) -> None:
            if event.button() == Qt.LeftButton:
                self.triggered.emit()
            super(VCFilterMenuAction.VCFilterMenuWidget, self).mousePressEvent(event) 

def mousePressEvent(self, event: QMouseEvent) -> None:
        event.accept()
        if event.button() == Qt.LeftButton:
            if self.parent is None:
                self.originalParent.playMedia()
            else:
                self.parent.playMedia() 

def mouseDoubleClickEvent(self, event: QMouseEvent) -> None:
        event.accept()
        if self.parent is None:
            self.originalParent.toggleFullscreen()
        else:
            self.parent.toggleFullscreen() 

def mousePressEvent(self, event: QMouseEvent):
        if event.button() == Qt.LeftButton:
            self.close() 

def keyPressEvent(self, event: QKeyEvent) -> None:
        qApp.sendEvent(self.parent, event)

    # def mouseMoveEvent(self, event: QMouseEvent) -> None:
    #     opt = QStyleOptionSlider()
    #     self.initStyleOption(opt)
    #     handle = self.style().subControlRect(QStyle.CC_Slider, opt, QStyle.SC_SliderHandle, self)
    #     if handle.x() <= event.pos().x() <= (handle.x() + handle.width()):
    #         self.setCursor(Qt.PointingHandCursor)
    #         self._handleHover = True
    #     else:
    #         self.unsetCursor()
    #         self._handleHover = False
    #     self.initStyle()
    #     super(VideoSlider, self).mouseMoveEvent(event) 

def mousePressEvent(self, event: QMouseEvent) -> None:
        if event.button() == Qt.LeftButton and self.checkbox is not None:
            self.checkbox.toggle()
        super(StreamSelectorLabel, self).mousePressEvent(event) 

def mouseMoveEvent(self, event: QMouseEvent) -> None:
        if self.count() > 0:
            if self.indexAt(event.pos()).isValid():
                self.setCursor(Qt.PointingHandCursor)
            else:
                self.setCursor(Qt.ArrowCursor)
        super(VideoList, self).mouseMoveEvent(event) 

def mouseMoveEvent(self, a0: QtGui.QMouseEvent) -> None:
        if a0.buttons() == QtCore.Qt.RightButton:
            a0.ignore()
            return
        x = a0.x()
        y = a0.y()
        absx = x - (self.width() - self.chartWidth) / 2
        absy = y - (self.height() - self.chartHeight) / 2
        if absx < 0 or absx > self.chartWidth or absy < 0 or absy > self.chartHeight \
                or len(self.data) == len(self.reference) == 0:
            a0.ignore()
            return
        a0.accept()

        if len(self.data) > 0:
            target = self.data
        else:
            target = self.reference
        positions = []
        for d in target:
            thisx = self.width() / 2 + d.re * self.chartWidth / 2
            thisy = self.height() / 2 + d.im * -1 * self.chartHeight / 2
            positions.append(math.sqrt((x - thisx)**2 + (y - thisy)**2))

        minimum_position = positions.index(min(positions))
        m = self.getActiveMarker()
        if m is not None:
            m.setFrequency(str(round(target[minimum_position].freq)))
            m.frequencyInput.setText(str(round(target[minimum_position].freq)))
        return 

def mouseMoveEvent(self, a0: QtGui.QMouseEvent):
        if a0.buttons() == QtCore.Qt.RightButton:
            a0.ignore()
            return
        if a0.buttons() == QtCore.Qt.MiddleButton:
            # Drag the display
            a0.accept()
            if self.moveStartX != -1 and self.moveStartY != -1:
                dx = self.moveStartX - a0.x()
                dy = self.moveStartY - a0.y()
                self.zoomTo(self.leftMargin + dx, self.topMargin + dy,
                            self.leftMargin + self.chartWidth + dx,
                            self.topMargin + self.chartHeight + dy)

            self.moveStartX = a0.x()
            self.moveStartY = a0.y()
            return
        if a0.modifiers() == QtCore.Qt.ControlModifier:
            # Dragging a box
            if not self.draggedBox:
                self.draggedBoxStart = (a0.x(), a0.y())
            self.draggedBoxCurrent = (a0.x(), a0.y())
            self.update()
            a0.accept()
            return
        x = a0.x()
        f = self.frequencyAtPosition(x)
        if x == -1:
            a0.ignore()
            return
        a0.accept()
        m = self.getActiveMarker()
        if m is not None:
            m.setFrequency(str(f))
            m.frequencyInput.setText(str(f)) 

def mouseMoveEvent(self, a0: QtGui.QMouseEvent) -> None:
        if a0.buttons() == QtCore.Qt.RightButton:
            a0.ignore()
            return
        x = a0.x()
        y = a0.y()
        absx = x - (self.width() - self.chartWidth) / 2
        absy = y - (self.height() - self.chartHeight) / 2
        if absx < 0 or absx > self.chartWidth or absy < 0 or absy > self.chartHeight \
                or len(self.data) == len(self.reference) == 0:
            a0.ignore()
            return
        a0.accept()

        if len(self.data) > 0:
            target = self.data
        else:
            target = self.reference
        positions = []
        for d in target:
            thisx = self.width() / 2 + d.re * self.chartWidth / 2
            thisy = self.height() / 2 + d.im * -1 * self.chartHeight / 2
            positions.append(math.sqrt((x - thisx)**2 + (y - thisy)**2))

        minimum_position = positions.index(min(positions))
        m = self.getActiveMarker()
        if m is not None:
            m.setFrequency(str(round(target[minimum_position].freq)))
            m.frequencyInput.setText(str(round(target[minimum_position].freq)))
        return 

def mouseReleaseEvent(self, a0: QtGui.QMouseEvent) -> None:
        self.draggedMarker = None
        if self.draggedBox:
            self.zoomTo(self.draggedBoxStart[0], self.draggedBoxStart[1], a0.x(), a0.y())
            self.draggedBox = False
            self.draggedBoxCurrent = (-1, -1)
            self.draggedBoxStart = (0, 0)
            self.update() 

def editorEvent(self, event, model, option, index):
        if event.type() in (QEvent.MouseButtonPress, QEvent.MouseButtonRelease):
            no_bottom_right = QPoint(self.number_rect_x, option.rect.bottom())
            no_rect = QRect(option.rect.topLeft(), no_bottom_right)
            mouse_event = QMouseEvent(event)
            if no_rect.contains(mouse_event.pos()):
                if event.type() == QEvent.MouseButtonPress:
                    self.play_btn_pressed = True
                if event.type() == QEvent.MouseButtonRelease:
                    if self.play_btn_pressed is True:
                        self.parent().play_song_needed.emit(index.data(Qt.UserRole))
            if event.type() == QEvent.MouseButtonRelease:
                self.play_btn_pressed = False
        return super().editorEvent(event, model, option, index) 

def mouseReleaseEvent(self, QMouseEvent):
        self.pressing = False 

def mouseReleaseEvent(self, QMouseEvent):
        self.pressing = False 

def mouseReleaseEvent(self, event: QMouseEvent):
        event.accept()
        if event.button() == 1:
            self.released.emit(event) 

def mousePressEvent(self, event: QMouseEvent):

        pattern = re.compile(FOLDING_PATTERN)
        blockedClickedOn: QTextBlock = self.getBlockUnderCursor(event)

        if pattern.match(blockedClickedOn.text()):

            if blockedClickedOn.userState() == 0:  # block and its contents are unfolded

                self.fold(blockedClickedOn)

            else:

                self.unfold(blockedClickedOn) 

def getBlockUnderCursor(self, event: QMouseEvent) -> QTextBlock:

        height = self.editor.fontMetrics().height()
        y = event.pos().y()

        for array in self.editor.currentlyVisibleBlocks:

            if array[0] < y < height + array[0]:

                return array[1] 

def mouseMoveEvent(self, event: QMouseEvent) -> None:

        pattern = re.compile(FOLDING_PATTERN)
        block: QTextBlock = self.editor.getBlockUnderCursor(event)

        if pattern.match(block.text()):

            cursor: QCursor = QCursor(Qt.PointingHandCursor)
            QApplication.setOverrideCursor(cursor)
            QApplication.changeOverrideCursor(cursor)

        else:

            self.returnCursorToNormal() 

def mousePressEvent(self, event: QMouseEvent):
        pass 

def getBlockUnderCursor(self, event: QMouseEvent) -> QTextBlock:
        height = self.editor.fontMetrics().height()
        y = event.pos().y()
        for array in self.editor.currentlyVisibleBlocks:
            print(array[0], y, height+array[0])
            if array[0] < y < height + array[0]:

                return array[1] 

def mousePressEvent(self, e: QMouseEvent) -> None:
        super(SwitchButton, self).mousePressEvent(e) 

def mouseDoubleClickEvent(self, evt: QtGui.QMouseEvent) -> None:
        if self.childAt(evt.pos()) == self.thumbnail.widget():
            self.doubleClicked.emit(self) 

def mousePressEvent(self, evt: QtGui.QMouseEvent) -> None:
        if evt.button() == QtCore.Qt.LeftButton:
            if self.childAt(evt.pos()) == self.thumbnail.widget():
                self.is_selected = not self.is_selected 

def mouseMoveEvent(self, event: QMouseEvent) -> None:
        # print('mouseMoveEvent: x=%d, y=%d' % (event.x(), event.y()))
        if not self.rect().contains(event.pos()):
            self.close()