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Make canvas autoscroll work properly.

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git-svn-id: svn://localhost/ardour2/trunk@845 d708f5d6-7413-0410-9779-e7cbd77b26cf
This commit is contained in:
Sampo Savolainen 2006-08-23 18:29:22 +00:00
parent 4273f94813
commit ba09117dfa
1 changed files with 7 additions and 8 deletions
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15
gtk2_ardour/editor_rulers.cc
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@ -215,7 +215,7 @@ Editor::ruler_mouse_motion (GdkEventMotion* ev)
if (session == 0 || !ruler_pressed_button) {
return FALSE;
}
double wcx=0,wcy=0;
double cx=0,cy=0;
@ -231,24 +231,23 @@ Editor::ruler_mouse_motion (GdkEventMotion* ev)
jack_nframes_t where = leftmost_frame + pixel_to_frame (x);
/// ripped from maybe_autoscroll
/// ripped from maybe_autoscroll, and adapted to work here
jack_nframes_t one_page = (jack_nframes_t) rint (canvas_width * frames_per_unit);
jack_nframes_t rightmost_frame = leftmost_frame + one_page;
jack_nframes_t frame = pixel_to_frame (cx);
if (autoscroll_timeout_tag < 0) {
if (frame > rightmost_frame) {
if (where > rightmost_frame) {
if (rightmost_frame < max_frames) {
start_canvas_autoscroll (1);
start_canvas_autoscroll (10);
}
} else if (frame < leftmost_frame) {
} else if (where <= leftmost_frame) {
if (leftmost_frame > 0) {
start_canvas_autoscroll (-1);
}
}
} else {
if (frame >= leftmost_frame && frame < rightmost_frame) {
if (where >= leftmost_frame && where < rightmost_frame) {
stop_canvas_autoscroll ();
}
}