lumiera_/src/gui/widget/video-display-widget.cpp
Ichthyostega 1ed4bd2c4c UI-top-level: the former Application Object (GtkLumiera) is obsoleted now
All the backbone functionality has been factored out into dedicated facilities
2017-05-19 16:57:16 +02:00

97 lines
2.4 KiB
C++

/*
VideoDisplayWidget - Implementation of the video viewer widget
Copyright (C) Lumiera.org
2008, Joel Holdsworth <joel@airwebreathe.org.uk>
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.
* *****************************************************/
/** @file video-display-widget.cpp
** Implementation of video display, embedded into the UI.
*/
#include "gui/gtk-base.hpp"
#include "gui/output/xvdisplayer.hpp"
#include "gui/output/gdkdisplayer.hpp"
#include "video-display-widget.hpp"
namespace gui {
namespace widget {
VideoDisplayWidget::VideoDisplayWidget()
: displayer_(NULL)
{ }
VideoDisplayWidget::~VideoDisplayWidget()
{
if (displayer_) delete displayer_;
}
Displayer*
VideoDisplayWidget::getDisplayer() const
{
return displayer_;
}
void
VideoDisplayWidget::on_realize()
{
// invoke base implementation
Gtk::Widget::on_realize ();
// Set colours
//modify_bg (Gtk::STATE_NORMAL, Gdk::Color ("black"));
if (displayer_) delete displayer_;
displayer_ = createDisplayer (this, 320, 240);
add_events (Gdk::ALL_EVENTS_MASK);
}
Displayer*
VideoDisplayWidget::createDisplayer (Gtk::Widget *drawingArea, int width, int height)
{
REQUIRE (drawingArea != NULL);
REQUIRE (width > 0 && height > 0);
Displayer *displayer = NULL;
displayer = new XvDisplayer (drawingArea, width, height);
if (!displayer->usable())
{
delete displayer;
displayer = NULL;
}
if (!displayer)
{
displayer = new GdkDisplayer (drawingArea, width, height);
///////////////////////////////////////////////////////////////////////////////////////TICKET #950 : new solution for video display
}
return displayer;
}
}}// gui::widget