Function UpdateGUI

source/menu.cpp:347–404

* UpdateGUI * * Primary thread to allow GUI to respond to state changes, and draws GUI ***************************************************************************/

 * Primary thread to allow GUI to respond to state changes, and draws GUI
 ***************************************************************************/
static void *
UpdateGUI (void *arg)
{
	int i;

	while(1)
	{
		// if halted, block here until ResumeGui wakes us; signal HaltGui we have stopped
		LWP_MutexLock(guiMutex);
		if(guiHalt)
		{
			guiHalted = true;
			LWP_CondBroadcast(guiHaltCond);
			while(guiHalt)
				LWP_CondWait(guiWakeCond, guiMutex);
			guiHalted = false;
		}
		LWP_MutexUnlock(guiMutex);

		UpdatePads();
		mainWindow->Draw();

		if (mainWindow->GetState() != STATE_DISABLED)
			mainWindow->DrawTooltip();

		#ifdef HW_RVL
		i = 3;
		do
		{
			if(userInput[i].wpad->ir.valid) {
				Menu_DrawImg(userInput[i].wpad->ir.x-48, userInput[i].wpad->ir.y-48, 96, 96, pointer[i]->GetImage(), userInput[i].wpad->ir.angle, 1, 1, 255);
			}
			DoRumble(i);
			--i;
		} while(i>=0);
		#endif

		Menu_Render();

		mainWindow->Update(&userInput[3]);
		mainWindow->Update(&userInput[2]);
		mainWindow->Update(&userInput[1]);
		mainWindow->Update(&userInput[0]);

		if(ExitRequested || ShutdownRequested)
		{
			for(i = 0; i <= 255; i += 15)
			{
				mainWindow->Draw();
				Menu_DrawRectangle(0,0,screenwidth,screenheight,(GXColor){0, 0, 0, (u8)i},1);
				Menu_Render();
			}
			ExitApp();
		}
		usleep(THREAD_SLEEP);
	}
	return NULL;
}