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authorTim Mayberry <mojofunk@gmail.com>2016-01-07 10:30:29 +1000
committerTim Mayberry <mojofunk@gmail.com>2016-01-21 11:25:55 +1000
commitc6805c1454f9dea518d7ba0f0eb4ecee1a1c6906 (patch)
treed4ef03fadccc8845b9b5b40f8241b198963eec56 /gtk2_ardour/editor_canvas_events.cc
parentcd377f1278c98465497b05cef1804cf140dbbb7c (diff)
Refactor scrolling track canvas in Editor class into two utility methods
Diffstat (limited to 'gtk2_ardour/editor_canvas_events.cc')
-rw-r--r--gtk2_ardour/editor_canvas_events.cc17
1 files changed, 4 insertions, 13 deletions
diff --git a/gtk2_ardour/editor_canvas_events.cc b/gtk2_ardour/editor_canvas_events.cc
index 77cfde08e1..c889de072d 100644
--- a/gtk2_ardour/editor_canvas_events.cc
+++ b/gtk2_ardour/editor_canvas_events.cc
@@ -64,7 +64,6 @@ using Gtkmm2ext::Keyboard;
bool
Editor::track_canvas_scroll (GdkEventScroll* ev)
{
- framepos_t xdelta;
int direction = ev->direction;
/* this event arrives without transformation by the canvas, so we have
@@ -134,21 +133,13 @@ Editor::track_canvas_scroll (GdkEventScroll* ev)
break;
case GDK_SCROLL_LEFT:
- xdelta = (current_page_samples() / 8);
- if (leftmost_frame > xdelta) {
- reset_x_origin (leftmost_frame - xdelta);
- } else {
- reset_x_origin (0);
- }
+ scroll_left_step ();
+ return true;
break;
case GDK_SCROLL_RIGHT:
- xdelta = (current_page_samples() / 8);
- if (max_framepos - xdelta > leftmost_frame) {
- reset_x_origin (leftmost_frame + xdelta);
- } else {
- reset_x_origin (max_framepos - current_page_samples());
- }
+ scroll_right_step ();
+ return true;
break;
default: