void DrawPathTool::updateDrawHover()
{
if (!shift_pressed)
angle_helper->getConstrainedCursorPosMap(cur_pos_map, constrained_pos_map);
if (!previous_point_is_curve_point && !left_mouse_down && editingInProgress())
{
// Show a line to the cursor position as preview
hidePreviewPoints();
if (!path_has_preview_point)
{
preview_path->addCoordinate(MapCoord(constrained_pos_map));
path_has_preview_point = true;
}
preview_path->setCoordinate(preview_path->getCoordinateCount() - 1, MapCoord(constrained_pos_map));
updatePreviewPath();
updateDirtyRect(); // TODO: Possible optimization: mark only the last segment as dirty
}
else if (previous_point_is_curve_point && !left_mouse_down && editingInProgress())
{
setPreviewPointsPosition(constrained_pos_map, 1);
updateDirtyRect();
}
}
void DrawRectangleTool::updateHover(bool mouse_down)
{
if (shift_pressed)
constrained_pos_map = MapCoordF(snap_helper->snapToObject(cur_pos_map, cur_map_widget));
else
constrained_pos_map = cur_pos_map;
if (!editingInProgress())
{
setPreviewPointsPosition(constrained_pos_map);
updateDirtyRect();
if (mouse_down && ctrl_pressed)
pickDirection(constrained_pos_map, cur_map_widget);
else if (!mouse_down)
angle_helper->setCenter(constrained_pos_map);
}
else
{
hidePreviewPoints();
if (mouse_down && !dragging && (cur_pos - click_pos).manhattanLength() >= Settings::getInstance().getStartDragDistancePx())
{
// Start dragging
dragging = true;
}
if (!mouse_down || dragging)
updateRectangle();
}
}
bool DrawFreehandTool::mouseMoveEvent(QMouseEvent* event, MapCoordF map_coord, MapWidget* widget)
{
Q_UNUSED(widget);
bool mouse_down = containsDrawingButtons(event->buttons());
if (!mouse_down)
{
if (!editingInProgress())
{
setPreviewPointsPosition(map_coord);
setDirtyRect();
}
}
else
{
if (!editingInProgress())
return false;
dragging = true;
cur_pos = event->pos();
cur_pos_map = map_coord;
updatePath();
}
return true;
}
bool DrawCircleTool::mouseMoveEvent(QMouseEvent* event, MapCoordF map_coord, MapWidget* widget)
{
Q_UNUSED(widget);
bool mouse_down = containsDrawingButtons(event->buttons());
if (!mouse_down)
{
if (!editingInProgress())
{
setPreviewPointsPosition(map_coord);
setDirtyRect();
}
else
{
cur_pos = event->pos();
cur_pos_map = map_coord;
if (!second_point_set)
opposite_pos_map = map_coord;
updateCircle();
}
}
else
{
if (!editingInProgress())
return false;
if ((event->pos() - click_pos).manhattanLength() >= Settings::getInstance().getStartDragDistancePx())
{
if (!dragging)
{
dragging = true;
updateStatusText();
}
}
if (dragging)
{
cur_pos = event->pos();
cur_pos_map = map_coord;
if (!second_point_set)
opposite_pos_map = cur_pos_map;
updateCircle();
}
}
return true;
}
void DrawPathTool::updateHover()
{
if (shift_pressed)
constrained_pos_map = MapCoordF(snap_helper->snapToObject(cur_pos_map, cur_map_widget));
else
constrained_pos_map = cur_pos_map;
if (!editingInProgress())
{
// Show preview objects at this position
setPreviewPointsPosition(constrained_pos_map);
if (picked_angle)
angle_helper->setCenter(constrained_pos_map);
updateDirtyRect();
}
else // if (draw_in_progress)
{
updateDrawHover();
}
}