transitionhandles.C

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#include "cursors.h"
#include "edit.h"
#include "edits.h"
#include "edl.h"
#include "mwindow.h"
#include "theme.h"
#include "track.h"
#include "trackcanvas.h"
#include "tracks.h"
#include "transitionhandles.h"

TransitionHandle::TransitionHandle(MWindow *mwindow, 
        TrackCanvas *trackcanvas,
        Edit *edit,
        int x,
        int y)
 : CanvasTool(mwindow, 
                trackcanvas,
                edit,
                x,
                y,
                0)
//              mwindow->theme->transitionhandle_data)
{
}

TransitionHandle::~TransitionHandle()
{
}

int TransitionHandle::handle_event()
{
        return 0;
}




TransitionHandles::TransitionHandles(MWindow *mwindow,
                TrackCanvas *trackcanvas)
 : CanvasTools(mwindow, trackcanvas)
{
}

TransitionHandles::~TransitionHandles()
{
}


void TransitionHandles::update()
{
        decrease_visible();

        for(Track *current = mwindow->edl->tracks->first;
                current;
                current = NEXT)
        {
                for(Edit *edit = current->edits->first; edit; edit = edit->next)
                {
                        if(edit->transition)
                        {
                                int64_t edit_x, edit_y, edit_w, edit_h;
                                trackcanvas->edit_dimensions(edit, edit_x, edit_y, edit_w, edit_h);
                                trackcanvas->get_transition_coords(edit_x, edit_y, edit_w, edit_h);
                                
                                if(visible(edit_x, edit_w, edit_y, edit_h))
                                {
                                        int exists = 0;

                                        for(int i = 0; i < total; i++)
                                        {
                                                TransitionHandle *handle = (TransitionHandle*)values[i];
                                                if(handle->edit->id == edit->id)
                                                {
                                                        handle->reposition_window(edit_x, edit_y);
                                                        handle->visible = 1;
                                                        exists = 1;
                                                        break;
                                                }
                                        }

                                        if(!exists)
                                        {
                                                TransitionHandle *handle = new TransitionHandle(mwindow,
                                                        trackcanvas,
                                                        edit,
                                                        edit_x,
                                                        edit_y);
                                                trackcanvas->add_subwindow(handle);
                                                handle->set_cursor(ARROW_CURSOR);
                                                append(handle);
                                        }
                                }
                        }
                }
        }

        delete_invisible();
}

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