SDL_BeApp.cc
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/*
SDL - Simple DirectMedia Layer
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Copyright (C) 1997-2004 Sam Lantinga
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This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the Free
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Sam Lantinga
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slouken@libsdl.org
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*/
#ifdef SAVE_RCSID
static char rcsid =
"@(#) $Id$";
#endif
/* Handle the BeApp specific portions of the application */
#include <AppKit.h>
#include <storage/Path.h>
#include <storage/Entry.h>
#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
#include "SDL_BeApp.h"
#include "SDL_thread.h"
#include "SDL_timer.h"
#include "SDL_error.h"
/* Flag to tell whether or not the Be application is active or not */
int SDL_BeAppActive = 0;
static SDL_Thread *SDL_AppThread = NULL;
static int StartBeApp(void *unused)
{
BApplication *App;
App = new BApplication("application/x-SDL-executable");
App->Run();
delete App;
return(0);
}
/* Initialize the Be Application, if it's not already started */
int SDL_InitBeApp(void)
{
/* Create the BApplication that handles appserver interaction */
if ( SDL_BeAppActive <= 0 ) {
SDL_AppThread = SDL_CreateThread(StartBeApp, NULL);
if ( SDL_AppThread == NULL ) {
SDL_SetError("Couldn't create BApplication thread");
return(-1);
}
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/* Change working to directory to that of executable */
app_info info;
if (B_OK == be_app->GetAppInfo(&info)) {
entry_ref ref = info.ref;
BEntry entry;
if (B_OK == entry.SetTo(&ref)) {
BPath path;
if (B_OK == path.SetTo(&entry)) {
if (B_OK == path.GetParent(&path)) {
chdir(path.Path());
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}
}
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do {
SDL_Delay(10);
} while ( (be_app == NULL) || be_app->IsLaunching() );
/* Mark the application active */
SDL_BeAppActive = 0;
}
/* Increment the application reference count */
++SDL_BeAppActive;
/* The app is running, and we're ready to go */
return(0);
}
/* Quit the Be Application, if there's nothing left to do */
void SDL_QuitBeApp(void)
{
/* Decrement the application reference count */
--SDL_BeAppActive;
/* If the reference count reached zero, clean up the app */
if ( SDL_BeAppActive == 0 ) {
if ( SDL_AppThread != NULL ) {
if ( be_app != NULL ) { /* Not tested */
be_app->PostMessage(B_QUIT_REQUESTED);
}
SDL_WaitThread(SDL_AppThread, NULL);
SDL_AppThread = NULL;
}
/* be_app should now be NULL since be_app has quit */
}
}