Method onMouseDown

Engine/modules/Verve/GUI/VTimeLineControl.cpp:61–132

//-----------------------------------------------------------------------------

void VTimeLineControl::onMouseDown( const GuiEvent &pEvent )
{
    Parent::onMouseDown( pEvent );

    if ( !mIsController || !mController || mController->isPlaying() )
    {
        return;
    }

    if ( !isMouseLocked() )
    {
        GuiCanvas *canvas = getRoot();
        if ( canvas->getMouseLockedControl() )
        {
            GuiEvent event;
            canvas->getMouseLockedControl()->onMouseLeave( event );
            canvas->mouseUnlock( canvas->getMouseLockedControl() );
        }

        // Lock.
        mouseLock();
    }

    // Calculate Time.
    const Point2I hitPoint = globalToLocalCoord( pEvent.mousePoint );
    const S32     time     = mClamp( toTime( hitPoint.x ), 0, mController->getDuration() );

    // Selection?
    if (  pEvent.modifier & SI_SHIFT )
    {
        if ( !mSelection.Active )
        {
            // Selection Active.
            mSelection.Active    = true;
            mSelection.StartTime = mController->getTime();
            mSelection.EndTime   = time;
        }
        else
        {
            // Update Selection.
            mSelection.EndTime = time;
        }

        // Callback.
        Con::executef( this, "onSelectionUpdate" );
    }
    else
    {
        if ( mSelection.Active )
        {
            // Selection Invalid.
            mSelection.Active = false;

            // Callback.
            Con::executef( this, "onSelectionUpdate" );
        }
    }