diff options
Diffstat (limited to 'libs/canvas/canvas.cc')
| -rw-r--r-- | libs/canvas/canvas.cc | 31 |
1 files changed, 16 insertions, 15 deletions
diff --git a/libs/canvas/canvas.cc b/libs/canvas/canvas.cc index 4c4696e0c1..cc588cf3e1 100644 --- a/libs/canvas/canvas.cc +++ b/libs/canvas/canvas.cc @@ -382,6 +382,7 @@ GtkCanvas::GtkCanvas () , _new_current_item (0) , _grabbed_item (0) , _focused_item (0) + , _single_exposure (1) , current_tooltip_item (0) , tooltip_window (0) { @@ -786,22 +787,22 @@ GtkCanvas::on_expose_event (GdkEventExpose* ev) draw_context->fill (); /* render canvas */ + if ( _single_exposure ) { + + render (Rect (ev->area.x, ev->area.y, ev->area.x + ev->area.width, ev->area.y + ev->area.height), draw_context); -#define CANVAS_SINGLE_EXPOSE -#ifdef CANVAS_SINGLE_EXPOSE - render (Rect (ev->area.x, ev->area.y, ev->area.x + ev->area.width, ev->area.y + ev->area.height), draw_context); -#else - GdkRectangle* rects; - gint nrects; - - gdk_region_get_rectangles (ev->region, &rects, &nrects); - for (gint n = 0; n < nrects; ++n) { - draw_context->set_identity_matrix(); //reset the cairo matrix, just in case someone left it transformed after drawing ( cough ) - render (Rect (rects[n].x, rects[n].y, rects[n].x + rects[n].width, rects[n].y + rects[n].height), draw_context); - } - g_free (rects); -#endif - + } else { + GdkRectangle* rects; + gint nrects; + + gdk_region_get_rectangles (ev->region, &rects, &nrects); + for (gint n = 0; n < nrects; ++n) { + draw_context->set_identity_matrix(); //reset the cairo matrix, just in case someone left it transformed after drawing ( cough ) + render (Rect (rects[n].x, rects[n].y, rects[n].x + rects[n].width, rects[n].y + rects[n].height), draw_context); + } + g_free (rects); + } + #ifdef USE_CAIRO_IMAGE_SURFACE /* now blit our private surface back to the GDK one */ |