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restored track height adjustment using alt-scroll on track headers

This commit is contained in:
Paul Davis 2014-06-12 17:21:41 -04:00
parent 720a9b73a5
commit 684d45c0cc
1 changed files with 30 additions and 0 deletions
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30
gtk2_ardour/time_axis_view.cc
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@ -287,6 +287,36 @@ TimeAxisView::show_at (double y, int& nth, VBox *parent)
bool
TimeAxisView::controls_ebox_scroll (GdkEventScroll* ev)
{
switch (ev->direction) {
case GDK_SCROLL_UP:
if (Keyboard::modifier_state_equals (ev->state, Keyboard::ScrollZoomVerticalModifier)) {
/* See Editor::_stepping_axis_view for notes on this hack */
Editor& e = dynamic_cast<Editor&> (_editor);
if (!e.stepping_axis_view ()) {
e.set_stepping_axis_view (this);
}
e.stepping_axis_view()->step_height (false);
return true;
}
break;
case GDK_SCROLL_DOWN:
if (Keyboard::modifier_state_equals (ev->state, Keyboard::ScrollZoomVerticalModifier)) {
/* See Editor::_stepping_axis_view for notes on this hack */
Editor& e = dynamic_cast<Editor&> (_editor);
if (!e.stepping_axis_view ()) {
e.set_stepping_axis_view (this);
}
e.stepping_axis_view()->step_height (true);
return true;
}
break;
default:
/* no handling for left/right, yet */
break;
}
/* Just forward to the normal canvas scroll method. The coordinate
systems are different but since the canvas is always larger than the
track headers, and aligned with the trackview area, this will work.