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SDL_BeApp.cc
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/*
SDL - Simple DirectMedia Layer
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Copyright (C) 1997-2011 Sam Lantinga
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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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
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Lesser General Public License for more details.
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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
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Sam Lantinga
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slouken@libsdl.org
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*/
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#include "SDL_config.h"
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/* 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;
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static int
StartBeApp(void *unused)
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BApplication *App;
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App = new BApplication("application/x-SDL-executable");
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App->Run();
delete App;
return (0);
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}
/* Initialize the Be Application, if it's not already started */
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int
SDL_InitBeApp(void)
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/* 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);
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} while ((be_app == NULL) || be_app->IsLaunching());
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/* 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);
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}
/* Quit the Be Application, if there's nothing left to do */
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void
SDL_QuitBeApp(void)
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/* 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 */
}
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}
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/* vi: set ts=4 sw=4 expandtab: */