def test_binding_with_shift(self, prompt_keyparser):
        """Simulate a binding which involves shift."""
        for key, modifiers in [(Qt.Key_Y, Qt.NoModifier),
                               (Qt.Key_Shift, Qt.ShiftModifier),
                               (Qt.Key_Y, Qt.ShiftModifier)]:
            info = keyutils.KeyInfo(key, modifiers)
            prompt_keyparser.handle(info.to_event())

        prompt_keyparser.execute.assert_called_once_with('yank -s', None) 

def _qtKeyToUMKey(self, key):
        if key == Qt.Key_Shift:
            return KeyEvent.ShiftKey
        elif key == Qt.Key_Control:
            return KeyEvent.ControlKey
        elif key == Qt.Key_Alt:
            return KeyEvent.AltKey
        elif key == Qt.Key_Space:
            return KeyEvent.SpaceKey
        elif key == Qt.Key_Meta:
            return KeyEvent.MetaKey
        elif key == Qt.Key_Enter or key == Qt.Key_Return:
            return KeyEvent.EnterKey
        elif key == Qt.Key_Up:
            return KeyEvent.UpKey
        elif key == Qt.Key_Down:
            return KeyEvent.DownKey
        elif key == Qt.Key_Left:
            return KeyEvent.LeftKey
        elif key == Qt.Key_Right:
            return KeyEvent.RightKey
        elif key == Qt.Key_Minus:
            return KeyEvent.MinusKey
        elif key == Qt.Key_Underscore:
            return KeyEvent.UnderscoreKey
        elif key == Qt.Key_Plus:
            return KeyEvent.PlusKey
        elif key == Qt.Key_Equal:
            return KeyEvent.EqualKey

        return key 

def keyPressEvent(self, event: QKeyEvent):
        if event.key() == Qt.Key_Shift:
            self.shift_mode = True

            if self.hold_shift_to_drag:
                self.setCursor(Qt.OpenHandCursor)
            else:
                self.unsetCursor()
                self.grab_start = None

        super().keyPressEvent(event) 

def keyReleaseEvent(self, event: QKeyEvent):
        if event.key() == Qt.Key_Shift:
            self.shift_mode = False

            if self.hold_shift_to_drag:
                self.unsetCursor()
                self.grab_start = None
            else:
                self.setCursor(Qt.OpenHandCursor)

        super().keyPressEvent(event) 

def wheelEvent(self, event):
        delta = round(event.angleDelta().y()/120)

        # zoom
        if self.key == Qt.Key_Control:
            self.set_zoom_delta(delta)

        # width            
        elif self.key == Qt.Key_X:
            if not self.lock_width:
                self.set_width_delta(delta)

        # offset (fine)
        elif self.key == Qt.Key_Shift:
            self.set_offset_delta(delta)

            if self.get_sync_state():
                ida_kernwin.jumpto(self.base + self.offs)
                self.activateWindow()
                self.setFocus()

        elif self.key == Qt.Key_H:
            if not self.lock_width:
                less = delta < 0
                w = -8 if less else 8
                self.set_pixel_qty_per_line((self.get_pixel_qty_per_line() & 0xFFFFFFF8) + w)

        # offset (coarse)
        else:
            self.set_offset_delta(delta * self.get_pixel_qty_per_line())
            
            if self.get_sync_state():
                ida_kernwin.jumpto(self.base + self.offs)
                self.activateWindow()
                self.setFocus()

        self.statechanged.emit()
        self.repaint()
        return 

def mouseMoveEvent(self, event):
        x = event.pos().x()
        y = event.pos().y()
        within_graph = (x >= self.rect_x and x < self.rect_x + self.rect_x_width)
        """(sx1, sy1), (sx2, sy2) = self.slider_coords
        on_slider = (x >= sx1 and x< sx2 and y>= sy1 and y < sy2)"""
 
        update_state = self.is_dragging_graph or within_graph

        if self.is_dragging_graph:
            # zoom
            if self.key == Qt.Key_Control:
                self.set_zoom_delta(-1 if y > self.prev_mouse_y else 1)

            # width
            elif self.key == Qt.Key_X:
                if not self.lock_width:
                    self.set_width_delta(-1 if y > self.prev_mouse_y else 1)

            elif self.key == Qt.Key_H:
                if not self.lock_width:
                    less = y > self.prev_mouse_y
                    delta = -16 if less else 16
                    self.set_pixel_qty_per_line((self.get_pixel_qty_per_line() & 0xFFFFFFF0) + delta)

            # scrolling (offset)
            elif y != self.prev_mouse_y:
                # offset (fine)
                delta = y - self.prev_mouse_y

                # offset (coarse)
                if self.key != Qt.Key_Shift:
                    delta *= self.get_pixel_qty_per_line()
                    
                self.set_offset_delta(delta)

        elif within_graph:
            self._update_mouse_coords(event.pos())
            self.mouseOffs = self._get_offs_by_pos(event.pos())
            
            if self.link_pixel and self.highlight_cursor:
                highlight_item(ida_bytes.get_item_head(self.get_cursor_address()))
            elif self.highlight_cursor:
                unhighlight_item()

            self.setToolTip(self.fm.on_get_tooltip(self.get_address(), self.get_pixel_qty(), self.mouseOffs))

        if update_state:
            self.prev_mouse_y = y
            self.x = x
            self.statechanged.emit()
            self.repaint()

        return