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/*
$Id: setupdisplay_unix.cpp,v 1.12 2002/01/22 10:14:03 mbn Exp $
------------------------------------------------------------------------
ClanLib, the platform independent game SDK.
This library is distributed under the GNU LIBRARY GENERAL PUBLIC LICENSE
version 2. See COPYING for details.
For a total list of contributers see CREDITS.
------------------------------------------------------------------------
*/
#include "display_target.h"
#include "Core/System/Unix/appconf.h"
#include "API/Core/System/error.h"
#include "API/display.h"
#include "Display/System/Generic/setupdisplay_generic.h"
#include <Hermes/Hermes.h>
#include "setupdisplay_unix.h"
#ifdef USE_X11
#include "x11_target.h"
#endif
#ifdef USE_GGI
#include "ggi_target.h"
#endif
#ifdef USE_FBDEV
#include "fbdev_target.h"
#endif
#ifdef USE_DIRECTFB
#include "directfb_target.h"
#endif
// we do not keep the list of display targets static because we want clanGL
// to be able to create a GLX target for us. -- mbn
std::vector<CL_DisplayTarget*> targets;
static void init_target_list();
static void deinit_target_list();
static CL_DisplayTarget *chosen_display = NULL;
static CL_DisplayCard *cl_current_displaycard = NULL;
static int display_ref_count = 0;
void CL_SetupDisplay::init(bool register_resources_only)
{
display_ref_count++;
if (display_ref_count > 1) return;
CL_SetupDisplay_Generic::init();
if (register_resources_only) return;
Hermes_Init();
init_target_list();
int num_targets = targets.size();
FileConfig config("clanlib");
std::string display = config.readEntry("display", "default");
// Check if any library forces a particular display target:
if (strcmp(CL_Force_DispTarget::get_name().c_str(), "") != 0)
{
display = CL_Force_DispTarget::get_name();
}
// try and use the X11 target, if it is available. If it is not, ask the user.
if (display == "default")
{
bool found = false;
display = "x11";
for (int i=0;i<num_targets;i++)
{
if (!strcasecmp(targets[i]->get_short_name(),display.c_str()))
{
found = true;
break;
}
}
if (found == false) display = "ask";
}
// If we do not have a display variable, ask user for target:
if (getenv("DISPLAY")==NULL && display=="x11")
display="ask";
if (getenv("CLANLIB_FORCE_X11_DISPLAY"))
display = "x11";
char choice[16];
if (display == "ask")
{
std::cout << std::endl << "Please select a display target by entering its abbreviation: " << std::endl;
for (int i=0;i<num_targets;i++)
{
std::cout << " [" << targets[i]->get_short_name() << "] ";
std::cout << targets[i]->get_long_name() << std::endl;
}
std::cout << "Your choice: ";
std::cin >> choice;
}
else
{
strcpy(choice, display.c_str());
}
for (int i=0;i<num_targets;i++)
{
if (!strcasecmp(targets[i]->get_short_name(),choice))
{
chosen_display = targets[i];
break;
}
}
if (!chosen_display)
{
throw CL_Error("Cannot open display target");
}
chosen_display->init();
cl_current_displaycard = CL_Display::cards[0];
}
void CL_SetupDisplay::deinit()
{
display_ref_count--;
if (display_ref_count > 0) return;
if (chosen_display) chosen_display->deinit();
int num_cards = CL_Display::cards.size();
for (int i=0; i<num_cards; i++) delete CL_Display::cards[i];
CL_Display::cards.clear();
// Shut down any input part left behind:
int num_keyboards = CL_Input::keyboards.size();
int num_joysticks = CL_Input::joysticks.size();
int num_pointers = CL_Input::pointers.size();
for (int i=0; i<num_keyboards; i++) delete CL_Input::keyboards[i];
for (int i=0; i<num_joysticks; i++) delete CL_Input::joysticks[i];
for (int i=0; i<num_pointers; i++) delete CL_Input::pointers[i];
deinit_target_list();
Hermes_Done();
CL_SetupDisplay_Generic::deinit();
}
void init_target_list()
{
#ifdef USE_X11
targets.push_back(new CL_X11Target);
#endif
#ifdef USE_GGI
targets.push_back(new CL_GGITarget);
#endif
#ifdef USE_FBDEV
targets.push_back(new CL_FBDevTarget);
#endif
#ifdef USE_DIRECTFB
targets.push_back(new CL_DirectFBTarget);
#endif
}
void deinit_target_list()
{
int len = targets.size();
for (int i=0; i<len; i++) delete targets[i];
targets = std::vector<CL_DisplayTarget *>();
}
void CL_Display::select_card(CL_DisplayCard *card)
{
cl_current_displaycard = card;
}
CL_DisplayCard *CL_Display::get_current_card()
{
return cl_current_displaycard;
}
std::string CL_Force_DispTarget::name;
CL_Force_DispTarget::CL_Force_DispTarget(const char *_name)
{
// Make sure there is only one display target force!
cl_assert( name.empty() );
name = _name;
}
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