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don't created vestigial frame canvas item for TimeAxisViewItem unless actually needed.

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They don't cost very much but there's just really no point cluttering up the scene graph with generally invisible
and insensitive items
This commit is contained in:
Paul Davis 2014-11-07 08:35:26 -05:00
parent 87cd481a7d
commit 44873d23e1
1 changed files with 16 additions and 9 deletions
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25
gtk2_ardour/time_axis_view_item.cc
View file

@ -185,17 +185,12 @@ TimeAxisViewItem::init (ArdourCanvas::Item* parent, double fpp, uint32_t base_co
wide_enough_for_name = wide;
high_enough_for_name = high;
rect_visible = true;
vestigial_frame = 0;
if (duration == 0) {
warning << "Time Axis Item Duration == 0" << endl;
}
vestigial_frame = new ArdourCanvas::TimeRectangle (group, ArdourCanvas::Rect (0.0, 0.0, 2.0, trackview.current_height()));
CANVAS_DEBUG_NAME (vestigial_frame, string_compose ("vestigial frame for %1", get_item_name()));
vestigial_frame->hide ();
vestigial_frame->set_outline_color (ARDOUR_UI::config()->get_VestigialFrame());
vestigial_frame->set_fill_color (ARDOUR_UI::config()->get_VestigialFrame());
if (visibility & ShowFrame) {
frame = new ArdourCanvas::TimeRectangle (group,
ArdourCanvas::Rect (0.0, 0.0,
@ -616,8 +611,10 @@ TimeAxisViewItem::set_height (double height)
}
}
vestigial_frame->set_y0 (1.0);
vestigial_frame->set_y1 (height);
if (vestigial_frame) {
vestigial_frame->set_y0 (1.0);
vestigial_frame->set_y1 (height);
}
set_colors ();
}
@ -912,6 +909,14 @@ TimeAxisViewItem::reset_width_dependent_items (double pixel_width)
if (pixel_width < 2.0) {
if (show_vestigial) {
if (!vestigial_frame) {
vestigial_frame = new ArdourCanvas::TimeRectangle (group, ArdourCanvas::Rect (0.0, 0.0, 2.0, trackview.current_height()));
CANVAS_DEBUG_NAME (vestigial_frame, string_compose ("vestigial frame for %1", get_item_name()));
vestigial_frame->set_outline_color (ARDOUR_UI::config()->get_VestigialFrame());
vestigial_frame->set_fill_color (ARDOUR_UI::config()->get_VestigialFrame());
}
vestigial_frame->show();
}
@ -925,7 +930,9 @@ TimeAxisViewItem::reset_width_dependent_items (double pixel_width)
}
} else {
vestigial_frame->hide();
if (vestigial_frame) {
vestigial_frame->hide();
}
if (frame) {
frame->show();