Merge CV, ver=5.1; ops/methods from HV, and interface from CV where possible
[goodguy/history.git] / cinelerra-5.1 / cinelerra / transitionhandles.C
diff --git a/cinelerra-5.1/cinelerra/transitionhandles.C b/cinelerra-5.1/cinelerra/transitionhandles.C
new file mode 100644 (file)
index 0000000..4930d14
--- /dev/null
@@ -0,0 +1,120 @@
+
+/*
+ * CINELERRA
+ * Copyright (C) 2008 Adam Williams <broadcast at earthling dot net>
+ * 
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ * 
+ */
+
+#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, 0, 0);
+                                               append(handle);
+                                       }
+                               }
+                       }
+               }
+       }
+
+       delete_invisible();
+}