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add RAII DisplaySuspender

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This commit is contained in:
Robin Gareus 2014-06-28 23:22:15 +02:00
parent fd7cddb847
commit 77216ac468
4 changed files with 41 additions and 0 deletions
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16
gtk2_ardour/editor.cc
View file

@ -4803,6 +4803,22 @@ Editor::axis_views_from_routes (boost::shared_ptr<RouteList> r) const
return t; return t;
} }
void
Editor::suspend_route_redisplay ()
{
if (_routes) {
_routes->suspend_redisplay();
}
}
void
Editor::resume_route_redisplay ()
{
if (_routes) {
_routes->resume_redisplay();
}
}
void void
Editor::add_routes (RouteList& routes) Editor::add_routes (RouteList& routes)
{ {

3
gtk2_ardour/editor.h
View file

@ -476,6 +476,9 @@ class Editor : public PublicEditor, public PBD::ScopedConnectionList, public ARD
void on_realize(); void on_realize();
void suspend_route_redisplay ();
void resume_route_redisplay ();
private: private:
void color_handler (); void color_handler ();

1
gtk2_ardour/public_editor.cc
View file

@ -31,6 +31,7 @@ sigc::signal<void> PublicEditor::DropDownKeys;
PublicEditor::PublicEditor () PublicEditor::PublicEditor ()
: Window (Gtk::WINDOW_TOPLEVEL) : Window (Gtk::WINDOW_TOPLEVEL)
, VisibilityTracker (*((Gtk::Window*)this)) , VisibilityTracker (*((Gtk::Window*)this))
, _suspend_route_redisplay_counter (0)
{ {
} }

21
gtk2_ardour/public_editor.h
View file

@ -84,6 +84,8 @@ class VerboseCursor;
class XMLNode; class XMLNode;
struct SelectionRect; struct SelectionRect;
class DisplaySuspender;
namespace ARDOUR_UI_UTILS { namespace ARDOUR_UI_UTILS {
bool relay_key_press (GdkEventKey* ev, Gtk::Window* win); bool relay_key_press (GdkEventKey* ev, Gtk::Window* win);
bool forward_key_press (GdkEventKey* ev); bool forward_key_press (GdkEventKey* ev);
@ -428,6 +430,25 @@ class PublicEditor : public Gtk::Window, public PBD::StatefulDestructible, publi
(and protected) method here does not have a default value. (and protected) method here does not have a default value.
*/ */
virtual void _ensure_time_axis_view_is_visible (TimeAxisView const & tav, bool at_top) = 0; virtual void _ensure_time_axis_view_is_visible (TimeAxisView const & tav, bool at_top) = 0;
friend class DisplaySuspender;
virtual void suspend_route_redisplay () = 0;
virtual void resume_route_redisplay () = 0;
gint _suspend_route_redisplay_counter;
};
class DisplaySuspender {
public:
DisplaySuspender() {
if (g_atomic_int_add(&PublicEditor::instance()._suspend_route_redisplay_counter, 1) == 0) {
PublicEditor::instance().suspend_route_redisplay ();
}
}
~DisplaySuspender () {
if (g_atomic_int_dec_and_test (&PublicEditor::instance()._suspend_route_redisplay_counter)) {
PublicEditor::instance().resume_route_redisplay ();
}
}
}; };
#endif // __gtk_ardour_public_editor_h__ #endif // __gtk_ardour_public_editor_h__