Added copyright lines for files I've edited this year.

[synfig.git] / synfig-studio / trunk / src / gtkmm / canvasview.cpp

diff --git a/synfig-studio/trunk/src/gtkmm/canvasview.cpp b/synfig-studio/trunk/src/gtkmm/canvasview.cpp
index 2f1a372..ad2ab6b 100644 (file)
--- a/synfig-studio/trunk/src/gtkmm/canvasview.cpp
+++ b/synfig-studio/trunk/src/gtkmm/canvasview.cpp
@@ -6,7 +6,7 @@
 **
 **     \legal
 **     Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
-**     Copyright (c) 2007 Chris Moore
+**     Copyright (c) 2007, 2008 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
@@ -2444,7 +2444,12 @@ CanvasView::on_time_changed()
 void
 CanvasView::time_zoom_in()
 {
+       float frame_rate = get_canvas()->rend_desc().get_frame_rate();
+       Time min_page_size = 2/frame_rate;
+
        time_window_adjustment().set_page_size(time_window_adjustment().get_page_size()*0.75);
+       if (time_window_adjustment().get_page_size() < min_page_size)
+               time_window_adjustment().set_page_size(min_page_size);
        time_window_adjustment().changed();
 
        refresh_time_window();
@@ -2453,7 +2458,12 @@ CanvasView::time_zoom_in()
 void
 CanvasView::time_zoom_out()
 {
+       Time length = (get_canvas()->rend_desc().get_time_end() -
+                                  get_canvas()->rend_desc().get_time_start());
+
        time_window_adjustment().set_page_size(time_window_adjustment().get_page_size()/0.75);
+       if (time_window_adjustment().get_page_size() > length)
+               time_window_adjustment().set_page_size(length);
        time_window_adjustment().changed();
 
        refresh_time_window();