src/main/beos/SDL_BeApp.cc
author Darren Alton <dalton@stevens.edu>
Tue, 10 Jun 2008 06:45:39 +0000
branchgsoc2008_nds
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First commit. Added header configs for DS as well as a Makefile. Initial work on framebuffer video driver, currently not functioning as desired.
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/*
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    SDL - Simple DirectMedia Layer
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    Copyright (C) 1997-2006 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,
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    but WITHOUT ANY WARRANTY; without even the implied warranty of
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    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
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    License along with this library; if not, write to the Free Software
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    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 */
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#include <AppKit.h>
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#include <storage/Path.h>
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#include <storage/Entry.h>
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#include <unistd.h>
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#include "SDL_BeApp.h"
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#include "SDL_thread.h"
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#include "SDL_timer.h"
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#include "SDL_error.h"
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/* Flag to tell whether or not the Be application is active or not */
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int SDL_BeAppActive = 0;
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static SDL_Thread *SDL_AppThread = NULL;
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static int
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StartBeApp(void *unused)
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{
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    BApplication *App;
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    App = new BApplication("application/x-SDL-executable");
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    App->Run();
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    delete App;
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    return (0);
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}
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/* Initialize the Be Application, if it's not already started */
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int
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SDL_InitBeApp(void)
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{
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    /* Create the BApplication that handles appserver interaction */
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    if (SDL_BeAppActive <= 0) {
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        SDL_AppThread = SDL_CreateThread(StartBeApp, NULL);
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        if (SDL_AppThread == NULL) {
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            SDL_SetError("Couldn't create BApplication thread");
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            return (-1);
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        }
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        /* Change working to directory to that of executable */
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        app_info info;
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        if (B_OK == be_app->GetAppInfo(&info)) {
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            entry_ref ref = info.ref;
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            BEntry entry;
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            if (B_OK == entry.SetTo(&ref)) {
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                BPath path;
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                if (B_OK == path.SetTo(&entry)) {
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                    if (B_OK == path.GetParent(&path)) {
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                        chdir(path.Path());
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                    }
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                }
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            }
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        }
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        do {
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            SDL_Delay(10);
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        } while ((be_app == NULL) || be_app->IsLaunching());
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        /* Mark the application active */
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        SDL_BeAppActive = 0;
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    }
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    /* Increment the application reference count */
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    ++SDL_BeAppActive;
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    /* The app is running, and we're ready to go */
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    return (0);
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}
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/* Quit the Be Application, if there's nothing left to do */
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void
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SDL_QuitBeApp(void)
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{
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    /* Decrement the application reference count */
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    --SDL_BeAppActive;
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    /* If the reference count reached zero, clean up the app */
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    if (SDL_BeAppActive == 0) {
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        if (SDL_AppThread != NULL) {
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            if (be_app != NULL) {       /* Not tested */
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                be_app->PostMessage(B_QUIT_REQUESTED);
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            }
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            SDL_WaitThread(SDL_AppThread, NULL);
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            SDL_AppThread = NULL;
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        }
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        /* be_app should now be NULL since be_app has quit */
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    }
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}
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/* vi: set ts=4 sw=4 expandtab: */