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/*
(c) Copyright 2000-2002 convergence integrated media GmbH.
All rights reserved.
Written by Denis Oliver Kropp <dok@convergence.de>,
Andreas Hundt <andi@convergence.de> and
Sven Neumann <sven@convergence.de>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the
Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
*/
#include <iostream>
#include "dfbapp.h"
DFBApp::DFBApp()
{
m_width = 0;
m_height = 0;
m_flipping = true;
m_dfb = NULL;
m_primary = NULL;
m_events = NULL;
}
DFBApp::~DFBApp()
{
if (m_events)
m_events->Release();
if (m_primary)
m_primary->Release();
if (m_dfb)
m_dfb->Release();
}
bool
DFBApp::Init( int argc, char *argv[] )
{
DFBSurfaceDescription dsc;
/* parse application arguments */
if (!ParseArgs( argc, argv ))
return false;
/* create super interface */
m_dfb = DirectFB::Create();
try {
/* try fullscreen mode */
m_dfb->SetCooperativeLevel( DFSCL_FULLSCREEN );
}
catch (DFBException *ex) {
if (ex->GetResultCode() == DFB_ACCESSDENIED)
std::cerr << "Warning: " << ex << std::endl;
else
throw;
}
/* fill surface description */
dsc.flags = DSDESC_CAPS;
dsc.caps = DSCAPS_PRIMARY;
if (m_flipping)
DFB_ADD_SURFACE_CAPS( dsc.caps, DSCAPS_DOUBLE );
if (m_width) {
DFB_ADD_SURFACE_DESC( dsc.flags, DSDESC_WIDTH );
dsc.width = m_width;
}
if (m_height) {
DFB_ADD_SURFACE_DESC( dsc.flags, DSDESC_HEIGHT );
dsc.height = m_height;
}
/* create the primary surface */
m_primary = m_dfb->CreateSurface( dsc );
/* create an event buffer with all devices attached */
m_events = m_dfb->CreateInputEventBuffer( DICAPS_ALL );
/* get the screen resolution */
int width;
int height;
m_primary->GetSize( &width, &height );
/* call setup method */
return Setup( width, height );
}
void
DFBApp::Run()
{
while (true) {
DFBInputEvent event;
/* render to the screen */
Render( m_primary );
/* flip the screen */
if (m_flipping)
m_primary->Flip();
/* wait for an event if Update() returns true */
if (Update())
m_events->WaitForEvent();
/* handle all events, exit if HandleEvent() returns true */
while (m_events->GetEvent( DFB_EVENT(&event) ))
if (HandleEvent( event ))
return;
}
}
void
DFBApp::SetMode( int width, int height )
{
m_width = width;
m_height = height;
}
void
DFBApp::SetFlipping( bool flipping )
{
m_flipping = flipping;
}
bool
DFBApp::ParseArgs( int argc, char *argv[] )
{
return true;
}
bool
DFBApp::Setup( int width, int height )
{
return true;
}
void
DFBApp::Render( IDirectFBSurface *surface )
{
surface->Clear();
}
bool
DFBApp::Update()
{
return true;
}
bool
DFBApp::HandleEvent( DFBInputEvent &event )
{
switch (event.type) {
case DIET_KEYPRESS:
if (event.key_symbol == DIKS_ESCAPE)
return true;
break;
default:
break;
}
return false;
}
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