ardour/gtk2_ardour/splash.h
Robin Gareus 24d5f1a624 Tweak/fix splash screen event-loop
Prevent possible endless loop in Splash::display() and handle
some related edge-cases and race conditions WRT expose_done
and is_visible().
2017-05-11 14:20:56 +02:00

69 lines
1.7 KiB
C++

/*
Copyright (C) 2008 Paul Davis
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef __ardour_gtk_splash_h__
#define __ardour_gtk_splash_h__
#include <gtkmm/window.h>
#include <gtkmm/drawingarea.h>
#include <gtkmm/box.h>
#include <gtkmm/label.h>
#include <gdkmm/pixbuf.h>
#include "pbd/signals.h"
class ARDOUR_UI;
class Splash : public Gtk::Window
{
public:
Splash ();
~Splash ();
static Splash* instance() { return the_splash; }
void display ();
void pop_back_for (Gtk::Window&);
void pop_front ();
bool expose (GdkEventExpose*);
bool on_button_release_event (GdkEventButton*);
void on_realize ();
bool on_map_event (GdkEventAny*);
void message (const std::string& msg);
void hide ();
private:
static Splash* the_splash;
Glib::RefPtr<Gdk::Pixbuf> pixbuf;
Gtk::DrawingArea darea;
Glib::RefPtr<Pango::Layout> layout;
void boot_message (std::string);
PBD::ScopedConnection msg_connection;
sigc::connection idle_connection;
volatile bool expose_done;
bool expose_is_the_one;
bool idle_after_expose ();
};
#endif /* __ardour_gtk_splash_h__ */