/*
* This thread will read the buttons in an interrupt like fashion, and
* also initializes SDL_INIT_VIDEO and the surfaces
*
* it must be done in the same thread (at least on windows) because events only
* work in the thread which called SDL_Init(SubSystem) with SDL_INIT_VIDEO
*
* This is an SDL thread and relies on preemptive behavoir of the host
**/
static int sdl_event_thread(void * param)
{
SDL_InitSubSystem(SDL_INIT_VIDEO);
#if (CONFIG_PLATFORM & PLATFORM_MAEMO)
SDL_sem *wait_for_maemo_startup;
#endif
SDL_Surface *picture_surface = NULL;
int width, height;
int depth;
Uint32 flags;
/* Try and load the background image. If it fails go without */
if (background) {
picture_surface = SDL_LoadBMP("UI256.bmp");
if (picture_surface == NULL) {
background = false;
DEBUGF("warn: %s\n", SDL_GetError());
}
}
/* Set things up */
if (background)
{
width = UI_WIDTH;
height = UI_HEIGHT;
}
else
{
#ifdef HAVE_REMOTE_LCD
if (showremote)
{
width = SIM_LCD_WIDTH > SIM_REMOTE_WIDTH ? SIM_LCD_WIDTH : SIM_REMOTE_WIDTH;
height = SIM_LCD_HEIGHT + SIM_REMOTE_HEIGHT;
}
else
#endif
{
width = SIM_LCD_WIDTH;
height = SIM_LCD_HEIGHT;
}
}
depth = LCD_DEPTH;
if (depth < 8)
depth = 16;
flags = SDL_HWSURFACE|SDL_DOUBLEBUF;
#if (CONFIG_PLATFORM & (PLATFORM_MAEMO|PLATFORM_PANDORA))
/* Fullscreen mode for maemo app */
flags |= SDL_FULLSCREEN;
#endif
SDL_WM_SetCaption(UI_TITLE, NULL);
if ((gui_surface = SDL_SetVideoMode(width * display_zoom, height * display_zoom, depth, flags)) == NULL) {
panicf("%s", SDL_GetError());
}
#if (CONFIG_PLATFORM & (PLATFORM_MAEMO|PLATFORM_PANDORA))
/* SDL touch screen fix: Work around a SDL assumption that returns
relative mouse coordinates when you get to the screen edges
using the touchscreen and a disabled mouse cursor.
*/
uint8_t hiddenCursorData = 0;
SDL_Cursor *hiddenCursor = SDL_CreateCursor(&hiddenCursorData, &hiddenCursorData, 8, 1, 0, 0);
SDL_ShowCursor(SDL_ENABLE);
SDL_SetCursor(hiddenCursor);
#endif
if (background && picture_surface != NULL)
SDL_BlitSurface(picture_surface, NULL, gui_surface, NULL);
/* let system_init proceed */
SDL_SemPost((SDL_sem *)param);
#if (CONFIG_PLATFORM & PLATFORM_MAEMO)
/* Start maemo thread: Listen to display on/off events and battery monitoring */
wait_for_maemo_startup = SDL_CreateSemaphore(0); /* 0-count so it blocks */
SDL_Thread *maemo_thread = SDL_CreateThread(maemo_thread_func, wait_for_maemo_startup);
#endif
/*
* finally enter the button loop */
gui_message_loop();
#if (CONFIG_PLATFORM & PLATFORM_MAEMO)
/* Ensure maemo thread is up and running */
SDL_SemWait(wait_for_maemo_startup);
SDL_DestroySemaphore(wait_for_maemo_startup);
#if (CONFIG_PLATFORM & PLATFORM_MAEMO5)
pcm_shutdown_gstreamer();
#endif
g_main_loop_quit (maemo_main_loop);
g_main_loop_unref(maemo_main_loop);
SDL_WaitThread(maemo_thread, NULL);
#endif
#if (CONFIG_PLATFORM & (PLATFORM_MAEMO|PLATFORM_PANDORA))
SDL_FreeCursor(hiddenCursor);
#endif
if(picture_surface)
SDL_FreeSurface(picture_surface);
/* Order here is relevent to prevent deadlocks and use of destroyed
sync primitives by kernel threads */
#ifdef HAVE_SDL_THREADS
sim_thread_shutdown(); /* not needed for native threads */
#endif
return 0;
}
/*
* This thread will read the buttons in an interrupt like fashion, and
* also initializes SDL_INIT_VIDEO and the surfaces
*
* it must be done in the same thread (at least on windows) because events only
* work in the thread which called SDL_Init(SubSystem) with SDL_INIT_VIDEO
*
* This is an SDL thread and relies on preemptive behavoir of the host
**/
static int sdl_event_thread(void * param)
{
SDL_InitSubSystem(SDL_INIT_VIDEO);
SDL_Surface *picture_surface;
int width, height;
/* Try and load the background image. If it fails go without */
if (background) {
picture_surface = SDL_LoadBMP("UI256.bmp");
if (picture_surface == NULL) {
background = false;
DEBUGF("warn: %s\n", SDL_GetError());
}
}
/* Set things up */
if (background)
{
width = UI_WIDTH;
height = UI_HEIGHT;
}
else
{
#ifdef HAVE_REMOTE_LCD
if (showremote)
{
width = SIM_LCD_WIDTH > SIM_REMOTE_WIDTH ? SIM_LCD_WIDTH : SIM_REMOTE_WIDTH;
height = SIM_LCD_HEIGHT + SIM_REMOTE_HEIGHT;
}
else
#endif
{
width = SIM_LCD_WIDTH;
height = SIM_LCD_HEIGHT;
}
}
if ((gui_surface = SDL_SetVideoMode(width * display_zoom, height * display_zoom, 24, SDL_HWSURFACE|SDL_DOUBLEBUF)) == NULL) {
panicf("%s", SDL_GetError());
}
SDL_WM_SetCaption(UI_TITLE, NULL);
if (background && picture_surface != NULL)
SDL_BlitSurface(picture_surface, NULL, gui_surface, NULL);
/* let system_init proceed */
SDL_SemPost((SDL_sem *)param);
/*
* finally enter the button loop */
while(gui_message_loop());
/* Order here is relevent to prevent deadlocks and use of destroyed
sync primitives by kernel threads */
sim_thread_shutdown();
sim_kernel_shutdown();
return 0;
}
