src/video/uikit/SDL_uikitwindow.m
author Sam Lantinga <slouken@libsdl.org>
Thu, 21 Jan 2010 06:21:52 +0000
changeset 3685 64ce267332c6
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child 4446 8b03a20b320f
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Switched from SDL_WindowID and SDL_TextureID to SDL_Window* and SDL_Texture* for code simplicity and improved performance.
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/*
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    SDL - Simple DirectMedia Layer
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    Copyright (C) 1997-2009 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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#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->window = window;
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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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    /* We currently only handle single window applications on iPhone */
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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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    // This saves the main window in the app delegate so event callbacks can do stuff on the window.
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    // This assumes a single window application design and needs to be fixed for multiple windows.
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    [SDLUIKitDelegate sharedAppDelegate].window = window;
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    [SDLUIKitDelegate sharedAppDelegate].uiwindow = 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 = NULL;
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    [SDLUIKitDelegate sharedAppDelegate].uiwindow = nil;
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}
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/* vi: set ts=4 sw=4 expandtab: */