** \legal
** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
** Copyright 2006 Yue Shi Lai
+** Copyright (c) 2007 Chris Moore
**
** This package is free software; you can redistribute it and/or
** modify it under the terms of the GNU General Public License as
dragging(DRAG_NONE),
show_grid(false),
tile_w(128),
- tile_h(128)
+ tile_h(128),
+ timecode_width(0),
+ timecode_height(0)
{
show_guides=true;
curr_input_device=0;
WorkArea::~WorkArea()
{
// delete [] buffer;
+
+ // don't leave the render function queued if we are about to vanish;
+ // that causes crashes
+ if(render_idle_func_id)
+ render_idle_func_id=0;
+}
+
+bool
+WorkArea::get_updating()const
+{
+ return App::single_threaded && async_renderer && async_renderer->updating;
+}
+
+void
+WorkArea::stop_updating(bool cancel)
+{
+ async_renderer->stop();
+ if (cancel) canceled_=true;
}
void
}
}
-
// Calculate the window coordinates of the top-left
// corner of the canvas.
//const synfig::Vector::value_type
Glib::RefPtr<Gdk::GC> gc=Gdk::GC::create(drawing_area->get_window());
-
-
// If we are in animate mode, draw a red border around the screen
if(canvas_interface->get_mode()&synfigapp::MODE_ANIMATE)
{
+// #define USE_FRAME_BACKGROUND_TO_SHOW_EDIT_MODE
#ifdef USE_FRAME_BACKGROUND_TO_SHOW_EDIT_MODE
// This method of drawing the red border doesn't work on any
// Gtk theme which uses the crux-engine, hcengine, industrial,
drawing_area->get_width()-1,drawing_area->get_height()-1); // w,h
#endif
}
+#ifdef USE_FRAME_BACKGROUND_TO_SHOW_EDIT_MODE
else
drawing_frame->unset_bg(Gtk::STATE_NORMAL);
-
-
+#endif
previous_focus=get_focus_point();
bool
studio::WorkArea::async_update_preview()
{
+ if (get_updating())
+ {
+ stop_updating();
+ return false;
+ }
+
async_renderer=0;
queued=false;
drawing_area->get_window()->scroll(-dx,-dy);
- /*drawing_area->queue_draw_area(
- 0,
- 0,
- 128,
- 64
- );
- */
+ if (timecode_width && timecode_height)
+ {
+ drawing_area->queue_draw_area(4, 4, 4+timecode_width, 4+timecode_height);
+ drawing_area->queue_draw_area(4-dx, 4-dy, 4-dx+timecode_width, 4-dy+timecode_height);
+ }
+
+#ifndef USE_FRAME_BACKGROUND_TO_SHOW_EDIT_MODE
+ if(canvas_interface->get_mode()&synfigapp::MODE_ANIMATE)
+ {
+ int maxx = drawing_area->get_width()-1;
+ int maxy = drawing_area->get_height()-1;
+
+ if (dx > 0)
+ {
+ drawing_area->queue_draw_area( 0, 0, 1, maxy);
+ drawing_area->queue_draw_area(maxx-dx, 0, maxx-dx, maxy);
+ }
+ else if (dx < 0)
+ {
+ drawing_area->queue_draw_area( maxx, 0, maxx, maxy);
+ drawing_area->queue_draw_area( -dx, 0, -dx, maxy);
+ }
+ if (dy > 0)
+ {
+ drawing_area->queue_draw_area(0, 0, maxx, 1);
+ drawing_area->queue_draw_area(0, maxy-dy, maxx, maxy-dy);
+ }
+ else if (dy < 0)
+ {
+ drawing_area->queue_draw_area(0, maxy, maxx, maxy);
+ drawing_area->queue_draw_area(0, -dy, maxx, -dy);
+ }
+ }
+#endif // USE_FRAME_BACKGROUND_TO_SHOW_EDIT_MODE
+
last_focus_point=focus_point;
}
gboolean
studio::WorkArea::__render_preview(gpointer data)
{
-
WorkArea *work_area(static_cast<WorkArea*>(data));
+ // there's no point anyone trying to cancel the timer now - it's gone off already
+ work_area->render_idle_func_id = 0;
+
work_area->queued=false;
work_area->async_render_preview(work_area->get_canvas_view()->get_time());