[sdl_omap.git] / src / main / beos / SDL_BeApp.cc

/*
    SDL - Simple DirectMedia Layer
    Copyright (C) 1997-2009 Sam Lantinga

    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 2.1 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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

    Sam Lantinga
    slouken@libsdl.org
*/
#include "SDL_config.h"

/* Handle the BeApp specific portions of the application */

#include <AppKit.h>
#include <storage/Path.h>
#include <storage/Entry.h>
#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);
		}
		
		/* 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());
					}
				}
			}
		}	
		
		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 */
	}
}
Commit	Line	Data
e14743d1	1	/*
	2	SDL - Simple DirectMedia Layer
	3	Copyright (C) 1997-2009 Sam Lantinga
	4
	5	This library is free software; you can redistribute it and/or
	6	modify it under the terms of the GNU Lesser General Public
	7	License as published by the Free Software Foundation; either
	8	version 2.1 of the License, or (at your option) any later version.
	9
	10	This library is distributed in the hope that it will be useful,
	11	but WITHOUT ANY WARRANTY; without even the implied warranty of
	12	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	13	Lesser General Public License for more details.
	14
	15	You should have received a copy of the GNU Lesser General Public
	16	License along with this library; if not, write to the Free Software
	17	Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
	18
	19	Sam Lantinga
	20	slouken@libsdl.org
	21	*/
	22	#include "SDL_config.h"
	23
	24	/* Handle the BeApp specific portions of the application */
	25
	26	#include <AppKit.h>
	27	#include <storage/Path.h>
	28	#include <storage/Entry.h>
	29	#include <unistd.h>
	30
	31	#include "SDL_BeApp.h"
	32	#include "SDL_thread.h"
	33	#include "SDL_timer.h"
	34	#include "SDL_error.h"
	35
	36	/* Flag to tell whether or not the Be application is active or not */
	37	int SDL_BeAppActive = 0;
	38	static SDL_Thread *SDL_AppThread = NULL;
	39
	40	static int StartBeApp(void *unused)
	41	{
	42	BApplication *App;
	43
	44	App = new BApplication("application/x-SDL-executable");
	45
	46	App->Run();
	47	delete App;
	48	return(0);
	49	}
	50
	51	/* Initialize the Be Application, if it's not already started */
	52	int SDL_InitBeApp(void)
	53	{
	54	/* Create the BApplication that handles appserver interaction */
	55	if ( SDL_BeAppActive <= 0 ) {
	56	SDL_AppThread = SDL_CreateThread(StartBeApp, NULL);
	57	if ( SDL_AppThread == NULL ) {
	58	SDL_SetError("Couldn't create BApplication thread");
	59	return(-1);
	60	}
	61
	62	/* Change working to directory to that of executable */
	63	app_info info;
	64	if (B_OK == be_app->GetAppInfo(&info)) {
65	entry_ref ref = info.ref;
66	BEntry entry;
67	if (B_OK == entry.SetTo(&ref)) {
68	BPath path;
69	if (B_OK == path.SetTo(&entry)) {
70	if (B_OK == path.GetParent(&path)) {
71	chdir(path.Path());
72	}
73	}
74	}
75	}
76
77	do {
78	SDL_Delay(10);
79	} while ( (be_app == NULL) \|\| be_app->IsLaunching() );
80
81	/* Mark the application active */
82	SDL_BeAppActive = 0;
83	}
84
85	/* Increment the application reference count */
86	++SDL_BeAppActive;
87
88	/* The app is running, and we're ready to go */
89	return(0);
90	}
91
92	/* Quit the Be Application, if there's nothing left to do */
93	void SDL_QuitBeApp(void)
94	{
95	/* Decrement the application reference count */
96	--SDL_BeAppActive;
97
98	/* If the reference count reached zero, clean up the app */
99	if ( SDL_BeAppActive == 0 ) {
100	if ( SDL_AppThread != NULL ) {
101	if ( be_app != NULL ) { /* Not tested */
102	be_app->PostMessage(B_QUIT_REQUESTED);
103	}
104	SDL_WaitThread(SDL_AppThread, NULL);
105	SDL_AppThread = NULL;
106	}
107	/* be_app should now be NULL since be_app has quit */
108	}
109	}