src/video/uikit/SDL_uikitwindow.m
author Holmes Futrell <hfutrell@umail.ucsb.edu>
Tue, 22 Jul 2008 22:59:59 +0000
branchgsoc2008_iphone
changeset 2399 d904584ea86d
parent 2354 2e4fea4a4416
child 2453 ac67f7719ba8
permissions -rw-r--r--
Added SDL_WindowData for UIKit video driver. Now looks up instances here instead of assuming we're referring to a singleton.
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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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/* Dummy SDL video driver implementation; this is just enough to make an
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 *  SDL-based application THINK it's got a working video driver, for
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 *  applications that call SDL_Init(SDL_INIT_VIDEO) when they don't need it,
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 *  and also for use as a collection of stubs when porting SDL to a new
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 *  platform for which you haven't yet written a valid video driver.
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 *
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 * This is also a great way to determine bottlenecks: if you think that SDL
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 *  is a performance problem for a given platform, enable this driver, and
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 *  then see if your application runs faster without video overhead.
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 *
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 * Initial work by Ryan C. Gordon (icculus@icculus.org). A good portion
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 *  of this was cut-and-pasted from Stephane Peter's work in the AAlib
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 *  SDL video driver.  Renamed to "DUMMY" by Sam Lantinga.
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 */
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#include "SDL_video.h"
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#include "SDL_mouse.h"
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#include "../SDL_sysvideo.h"
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#include "../SDL_pixels_c.h"
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#include "../../events/SDL_events_c.h"
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#include "SDL_uikitvideo.h"
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#include "SDL_uikitevents.h"
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#include "SDL_uikitwindow.h"
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#import "SDL_uikitappdelegate.h"
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#import "SDL_uikitopenglview.h"
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#import "SDL_renderer_sw.h"
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#include <UIKit/UIKit.h>
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#include <Foundation/Foundation.h>
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static int SetupWindowData(_THIS, SDL_Window *window, UIWindow *uiwindow, SDL_bool created) {
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    SDL_WindowData *data;
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    /* Allocate the window data */
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    data = (SDL_WindowData *)SDL_malloc(sizeof(*data));
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    if (!data) {
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        SDL_OutOfMemory();
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        return -1;
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    }
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    data->windowID = window->id;
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    data->uiwindow = uiwindow;
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	data->view = nil;
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    /* Fill in the SDL window with the window data */
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	{
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        window->x = 0;
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        window->y = 0;
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        window->w = (int)uiwindow.frame.size.width;
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        window->h = (int)uiwindow.frame.size.height;
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    }
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	window->driverdata = data;
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	window->flags &= ~SDL_WINDOW_RESIZABLE;		/* window is NEVER resizeable */
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	window->flags |= SDL_WINDOW_OPENGL;			/* window is always OpenGL */
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	window->flags |= SDL_WINDOW_FULLSCREEN;		/* window is always fullscreen */
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	window->flags |= SDL_WINDOW_SHOWN;			/* only one window on iPod touch, always shown */
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	window->flags |= SDL_WINDOW_INPUT_FOCUS;	/* always has input focus */	
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	/* SDL_WINDOW_BORDERLESS controls whether status bar is hidden */
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	if (window->flags & SDL_WINDOW_BORDERLESS) {
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		[UIApplication sharedApplication].statusBarHidden = YES;
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	}
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	else {
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		[UIApplication sharedApplication].statusBarHidden = NO;
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	}
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    return 0;
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}
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int UIKit_CreateWindow(_THIS, SDL_Window *window) {
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	/* iPhone applications are single window only */
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	if (nil != [SDLUIKitDelegate sharedAppDelegate].window) {
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		SDL_SetError("Window already exists, no multi-window support.");
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		return -1;
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	}
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	/* ignore the size user requested, and make a fullscreen window */
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	UIWindow *uiwindow = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]];
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	if (SetupWindowData(_this, window, uiwindow, SDL_TRUE) < 0) {
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        [uiwindow release];
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        return -1;
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    }	
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	[SDLUIKitDelegate sharedAppDelegate].window = uiwindow;
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	[uiwindow release]; /* release the window (the app delegate has retained it) */
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	return 1;
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}
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void UIKit_DestroyWindow(_THIS, SDL_Window * window) {
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	/* don't worry, the delegate will automatically release the window */
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	SDL_WindowData *data = (SDL_WindowData *)window->driverdata;
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	if (data) {
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		SDL_free( window->driverdata );
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	}
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	/* this will also destroy the window */
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	[SDLUIKitDelegate sharedAppDelegate].window = nil;
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}
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