void AnnotationInterface::DynamicMouseMove( View& v, const DPoint& p, unsigned buttons, unsigned modifiers )
{
// mouse move is processed only on active view
if (view == 0 || v != *view)
return;
// get view image window
ImageWindow w = view->Window();
// and image coordinates of the mouse position
int imageX = RoundI(p.x);
int imageY = RoundI(p.y);
// set cursor to dragging cursor if mouse is inside one of the grip rectangles
if (annotationPlaced && textRect.Includes(imageX, imageY))
w.SetDynamicCursor(move_all_XPM, 10, 10);
else if (leaderPlaced && instance.annotationShowLeader && leaderRect.Includes(imageX, imageY))
w.SetDynamicCursor(move_all_XPM, 10, 10);
else // otherwise, reset cursor
w.ResetDynamicCursor();
// if we are currently dragging something
if ( dragging != DraggingType::None )
{
// compute delta
int deltaX = imageX-lastX;
int deltaY = imageY-lastY;
// update text position if needed
if (dragging == DraggingType::Text || dragging == DraggingType::Both)
{
instance.annotationPositionX += deltaX;
instance.annotationPositionY += deltaY;
}
// update leader endpoint position if needed
if (dragging == DraggingType::Leader || dragging == DraggingType::Both)
{
instance.annotationLeaderPositionX += deltaX;
instance.annotationLeaderPositionY += deltaY;
}
// update annotation rectangle
UpdateAnnotationRect();
// redraw dynamic view
UpdateView();
// remember current point
lastX = imageX;
lastY = imageY;
}
}
void AnnotationInterface::DynamicMousePress( View& v, const DPoint& p, int button, unsigned buttons, unsigned modifiers )
{
// we only use left mouse button
if ( button != MouseButton::Left )
return;
if (view == 0)
{
// can not run on previews
if ( !v.IsMainView() )
throw Error( "Annotation cannot run on previews. Please select a main view." );
view = new View( v );
}
// only handle events in our active view
if (v != *view)
return;
// get view image window
ImageWindow w = view->Window();
// and image coordinates of the click point
int imageX = RoundI(p.x);
int imageY = RoundI(p.y);
// if annotation is not yet placed, place it now
if (!annotationPlaced)
{
// set annotation position
instance.annotationPositionX = imageX;
instance.annotationPositionY = imageY;
annotationPlaced = true;
// place leader if needed
if (instance.annotationShowLeader)
{
PlaceLeaderDefault();
}
// update annotation rectangle
UpdateAnnotationRect( true );
// redraw dynamic view
UpdateView();
// start dragging mode until user release the mouse
dragging = DraggingType::Text;
w.SetDynamicCursor(move_all_XPM, 10, 10);
}
// if the annotation is already placed
else
{
// if mouse is pressed on annotation text rectangle
// let's start dragging
if (textRect.Includes(imageX, imageY))
{
// with Ctrl, both text and leader are dragged simulaneously
if (modifiers & KeyModifier::Control)
{
dragging = DraggingType::Both;
}
// otherwise, just text is dragged
else
{
dragging = DraggingType::Text;
}
}
// if mouse is pressed on annotation leader rectangle and leader is visible
// let's start dragging
else if (instance.annotationShowLeader && leaderRect.Includes(imageX, imageY))
{
// with Ctrl, both text and leader are dragged simulaneously
if (modifiers & KeyModifier::Control)
{
dragging = DraggingType::Both;
}
// otherwise, just leader endpoint is dragged
else
{
dragging = DraggingType::Leader;
}
}
}
// if any dragging is started, remember current point
if (dragging != DraggingType::None)
{
lastX = imageX;
lastY = imageY;
}
}