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replace old implementation of Editor::_ensure_time_axis_view_is_visible() with the guts of Editor::ensure_track_is_visible(), then remove the latter.

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Also change all users of ensure_track_is_visible() to use _ensure_time_axis_view_is_visible()
This commit is contained in:
Paul Davis 2014-06-27 10:49:05 -04:00
parent 91fa5f7b2a
commit 21c26c8688
3 changed files with 32 additions and 55 deletions
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3
gtk2_ardour/editor.h
View file

@ -185,7 +185,7 @@ class Editor : public PublicEditor, public PBD::ScopedConnectionList, public ARD
void set_internal_edit (bool yn);
bool toggle_internal_editing_from_double_click (GdkEvent*);
void _ensure_time_axis_view_is_visible (const TimeAxisView& tav, bool at_top);
void _ensure_time_axis_view_is_visible (TimeAxisView const & tav, bool at_top);
void foreach_time_axis_view (sigc::slot<void,TimeAxisView&>);
void add_to_idle_resize (TimeAxisView*, int32_t);
@ -1976,7 +1976,6 @@ class Editor : public PublicEditor, public PBD::ScopedConnectionList, public ARD
bool entered_track_canvas (GdkEventCrossing*);
void set_entered_track (TimeAxisView*);
void set_entered_regionview (RegionView*);
void ensure_track_visible (TimeAxisView*);
gint left_automation_track ();
void reset_canvas_action_sensitivity (bool);

41
gtk2_ardour/editor_canvas.cc
View file

@ -805,26 +805,39 @@ Editor::entered_track_canvas (GdkEventCrossing */*ev*/)
}
void
Editor::_ensure_time_axis_view_is_visible (const TimeAxisView& tav, bool at_top)
Editor::_ensure_time_axis_view_is_visible (TimeAxisView const & track, bool at_top)
{
double begin = tav.y_position();
double v = vertical_adjustment.get_value ();
if (!at_top && (begin < v || begin + tav.current_height() > v + _visible_canvas_height)) {
/* try to put the TimeAxisView roughly central */
if (begin >= _visible_canvas_height/2.0) {
begin -= _visible_canvas_height/2.0;
}
if (track.hidden()) {
return;
}
/* Clamp the y pos so that we do not extend beyond the canvas full
* height.
/* compute visible area of trackview group, as offsets from top of
* trackview group.
*/
if (_full_canvas_height - begin < _visible_canvas_height){
begin = _full_canvas_height - _visible_canvas_height;
double const current_view_min_y = vertical_adjustment.get_value();
double const current_view_max_y = current_view_min_y + vertical_adjustment.get_page_size();
double const track_min_y = track.y_position ();
double const track_max_y = track.y_position () + track.effective_height ();
if (!at_top &&
(track_min_y > current_view_min_y &&
track_max_y <= current_view_max_y)) {
return;
}
vertical_adjustment.set_value (begin);
double new_value;
if (track_min_y < current_view_min_y) {
// Track is above the current view
new_value = track_min_y;
} else {
// Track is below the current view
new_value = track.y_position () + track.effective_height() - vertical_adjustment.get_page_size();
}
vertical_adjustment.set_value(new_value);
}
/** Called when the main vertical_adjustment has changed */

43
gtk2_ardour/editor_ops.cc
View file

@ -1358,7 +1358,7 @@ Editor::scroll_down_one_track ()
/* move to the track below the first one that covers the */
if (next != track_views.rend()) {
ensure_track_visible (*next);
ensure_time_axis_view_is_visible (**next);
return true;
}
@ -1391,7 +1391,7 @@ Editor::scroll_up_one_track ()
}
if (prev != track_views.end()) {
ensure_track_visible (*prev);
ensure_time_axis_view_is_visible (**prev);
return true;
}
@ -5657,7 +5657,7 @@ Editor::select_next_route()
selection->set(current);
ensure_track_visible(current);
ensure_time_axis_view_is_visible (*current);
}
void
@ -5688,42 +5688,7 @@ Editor::select_prev_route()
selection->set (current);
ensure_track_visible(current);
}
void
Editor::ensure_track_visible(TimeAxisView *track)
{
if (track->hidden()) {
return;
}
/* compute visible area of trackview group, as offsets from top of
* trackview group.
*/
double const current_view_min_y = vertical_adjustment.get_value();
double const current_view_max_y = current_view_min_y + vertical_adjustment.get_page_size();
double const track_min_y = track->y_position ();
double const track_max_y = track->y_position () + track->effective_height ();
if (track_min_y > current_view_min_y &&
track_max_y <= current_view_max_y) {
return;
}
double new_value;
if (track_min_y < current_view_min_y) {
// Track is above the current view
new_value = track_min_y;
} else {
// Track is below the current view
new_value = track->y_position () + track->effective_height() - vertical_adjustment.get_page_size();
}
vertical_adjustment.set_value(new_value);
ensure_time_axis_view_is_visible (*current);
}
void