src/video/SDL_video.c
author Sam Lantinga <slouken@libsdl.org>
Fri, 09 Dec 2016 01:47:43 -0800
changeset 10690 23a825f341e6
parent 10650 b6ec7005ca15
child 10698 044ef09cda20
permissions -rw-r--r--
Fixed bug 3513 - SDL_GL_SwapWindow does not return error status

Return an error code from SDL_GL_SwapWindow(), like the other SDL APIs.
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/*
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  Simple DirectMedia Layer
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  Copyright (C) 1997-2016 Sam Lantinga <slouken@libsdl.org>
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  This software is provided 'as-is', without any express or implied
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  warranty.  In no event will the authors be held liable for any damages
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  arising from the use of this software.
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  Permission is granted to anyone to use this software for any purpose,
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  including commercial applications, and to alter it and redistribute it
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  freely, subject to the following restrictions:
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  1. The origin of this software must not be misrepresented; you must not
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     claim that you wrote the original software. If you use this software
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     in a product, an acknowledgment in the product documentation would be
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     appreciated but is not required.
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  2. Altered source versions must be plainly marked as such, and must not be
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     misrepresented as being the original software.
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  3. This notice may not be removed or altered from any source distribution.
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*/
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#include "../SDL_internal.h"
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/* The high-level video driver subsystem */
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#include "SDL.h"
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#include "SDL_video.h"
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#include "SDL_sysvideo.h"
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#include "SDL_blit.h"
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#include "SDL_pixels_c.h"
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#include "SDL_rect_c.h"
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#include "../events/SDL_events_c.h"
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#include "../timer/SDL_timer_c.h"
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#include "SDL_syswm.h"
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#if SDL_VIDEO_OPENGL
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#include "SDL_opengl.h"
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#endif /* SDL_VIDEO_OPENGL */
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#if SDL_VIDEO_OPENGL_ES
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#include "SDL_opengles.h"
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#endif /* SDL_VIDEO_OPENGL_ES */
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/* GL and GLES2 headers conflict on Linux 32 bits */
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#if SDL_VIDEO_OPENGL_ES2 && !SDL_VIDEO_OPENGL
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#include "SDL_opengles2.h"
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#endif /* SDL_VIDEO_OPENGL_ES2 && !SDL_VIDEO_OPENGL */
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#if !SDL_VIDEO_OPENGL
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#ifndef GL_CONTEXT_RELEASE_BEHAVIOR_KHR
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#define GL_CONTEXT_RELEASE_BEHAVIOR_KHR 0x82FB
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#endif
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#endif
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/* On Windows, windows.h defines CreateWindow */
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#ifdef CreateWindow
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#undef CreateWindow
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#endif
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#ifdef __EMSCRIPTEN__
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#include <emscripten.h>
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#endif
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/* Available video drivers */
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static VideoBootStrap *bootstrap[] = {
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#if SDL_VIDEO_DRIVER_COCOA
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    &COCOA_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_X11
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    &X11_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_MIR
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    &MIR_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_WAYLAND
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    &Wayland_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_VIVANTE
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    &VIVANTE_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_DIRECTFB
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    &DirectFB_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_WINDOWS
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    &WINDOWS_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_WINRT
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    &WINRT_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_HAIKU
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    &HAIKU_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_PANDORA
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    &PND_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_UIKIT
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    &UIKIT_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_ANDROID
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    &Android_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_PSP
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    &PSP_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_RPI
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    &RPI_bootstrap,
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#endif 
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#if SDL_VIDEO_DRIVER_NACL
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    &NACL_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_EMSCRIPTEN
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    &Emscripten_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_DUMMY
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    &DUMMY_bootstrap,
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#endif
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    NULL
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};
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static SDL_VideoDevice *_this = NULL;
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#define CHECK_WINDOW_MAGIC(window, retval) \
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    if (!_this) { \
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        SDL_UninitializedVideo(); \
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        return retval; \
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    } \
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    if (!window || window->magic != &_this->window_magic) { \
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        SDL_SetError("Invalid window"); \
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        return retval; \
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    }
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#define CHECK_DISPLAY_INDEX(displayIndex, retval) \
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    if (!_this) { \
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        SDL_UninitializedVideo(); \
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        return retval; \
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    } \
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    SDL_assert(_this->displays != NULL); \
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    if (displayIndex < 0 || displayIndex >= _this->num_displays) { \
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        SDL_SetError("displayIndex must be in the range 0 - %d", \
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                     _this->num_displays - 1); \
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        return retval; \
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    }
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#define FULLSCREEN_MASK (SDL_WINDOW_FULLSCREEN_DESKTOP | SDL_WINDOW_FULLSCREEN)
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#ifdef __MACOSX__
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/* Support for Mac OS X fullscreen spaces */
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extern SDL_bool Cocoa_IsWindowInFullscreenSpace(SDL_Window * window);
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extern SDL_bool Cocoa_SetWindowFullscreenSpace(SDL_Window * window, SDL_bool state);
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#endif
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/* Support for framebuffer emulation using an accelerated renderer */
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#define SDL_WINDOWTEXTUREDATA   "_SDL_WindowTextureData"
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typedef struct {
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    SDL_Renderer *renderer;
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    SDL_Texture *texture;
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    void *pixels;
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    int pitch;
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    int bytes_per_pixel;
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} SDL_WindowTextureData;
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static SDL_bool
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ShouldUseTextureFramebuffer()
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{
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    const char *hint;
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    /* If there's no native framebuffer support then there's no option */
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    if (!_this->CreateWindowFramebuffer) {
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        return SDL_TRUE;
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    }
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    /* If the user has specified a software renderer we can't use a
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       texture framebuffer, or renderer creation will go recursive.
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     */
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    hint = SDL_GetHint(SDL_HINT_RENDER_DRIVER);
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    if (hint && SDL_strcasecmp(hint, "software") == 0) {
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        return SDL_FALSE;
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    }
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    /* See if the user or application wants a specific behavior */
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    hint = SDL_GetHint(SDL_HINT_FRAMEBUFFER_ACCELERATION);
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    if (hint) {
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        if (*hint == '0' || SDL_strcasecmp(hint, "false") == 0) {
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            return SDL_FALSE;
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        } else {
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            return SDL_TRUE;
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        }
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    }
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    /* Each platform has different performance characteristics */
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#if defined(__WIN32__)
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    /* GDI BitBlt() is way faster than Direct3D dynamic textures right now.
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     */
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    return SDL_FALSE;
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#elif defined(__MACOSX__)
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    /* Mac OS X uses OpenGL as the native fast path */
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    return SDL_TRUE;
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#elif defined(__LINUX__)
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    /* Properly configured OpenGL drivers are faster than MIT-SHM */
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#if SDL_VIDEO_OPENGL
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    /* Ugh, find a way to cache this value! */
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    {
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        SDL_Window *window;
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        SDL_GLContext context;
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        SDL_bool hasAcceleratedOpenGL = SDL_FALSE;
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        window = SDL_CreateWindow("OpenGL test", -32, -32, 32, 32, SDL_WINDOW_OPENGL|SDL_WINDOW_HIDDEN);
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        if (window) {
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            context = SDL_GL_CreateContext(window);
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            if (context) {
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                const GLubyte *(APIENTRY * glGetStringFunc) (GLenum);
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                const char *vendor = NULL;
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                glGetStringFunc = SDL_GL_GetProcAddress("glGetString");
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                if (glGetStringFunc) {
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                    vendor = (const char *) glGetStringFunc(GL_VENDOR);
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                }
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                /* Add more vendors here at will... */
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                if (vendor &&
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                    (SDL_strstr(vendor, "ATI Technologies") ||
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                     SDL_strstr(vendor, "NVIDIA"))) {
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                    hasAcceleratedOpenGL = SDL_TRUE;
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                }
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                SDL_GL_DeleteContext(context);
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            }
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            SDL_DestroyWindow(window);
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        }
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        return hasAcceleratedOpenGL;
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    }
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#elif SDL_VIDEO_OPENGL_ES || SDL_VIDEO_OPENGL_ES2
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    /* Let's be optimistic about this! */
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    return SDL_TRUE;
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#else
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    return SDL_FALSE;
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#endif
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#else
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    /* Play it safe, assume that if there is a framebuffer driver that it's
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       optimized for the current platform.
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    */
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    return SDL_FALSE;
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#endif
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}
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static int
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SDL_CreateWindowTexture(SDL_VideoDevice *unused, SDL_Window * window, Uint32 * format, void ** pixels, int *pitch)
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{
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    SDL_WindowTextureData *data;
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    data = SDL_GetWindowData(window, SDL_WINDOWTEXTUREDATA);
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    if (!data) {
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        SDL_Renderer *renderer = NULL;
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        int i;
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        const char *hint = SDL_GetHint(SDL_HINT_FRAMEBUFFER_ACCELERATION);
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        /* Check to see if there's a specific driver requested */
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        if (hint && *hint != '0' && *hint != '1' &&
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            SDL_strcasecmp(hint, "true") != 0 &&
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            SDL_strcasecmp(hint, "false") != 0 &&
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            SDL_strcasecmp(hint, "software") != 0) {
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            for (i = 0; i < SDL_GetNumRenderDrivers(); ++i) {
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                SDL_RendererInfo info;
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                SDL_GetRenderDriverInfo(i, &info);
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                if (SDL_strcasecmp(info.name, hint) == 0) {
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                    renderer = SDL_CreateRenderer(window, i, 0);
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                    break;
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                }
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            }
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        }
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        if (!renderer) {
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            for (i = 0; i < SDL_GetNumRenderDrivers(); ++i) {
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                SDL_RendererInfo info;
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                SDL_GetRenderDriverInfo(i, &info);
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                if (SDL_strcmp(info.name, "software") != 0) {
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                    renderer = SDL_CreateRenderer(window, i, 0);
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                    if (renderer) {
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                        break;
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                    }
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                }
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            }
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        }
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        if (!renderer) {
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            return SDL_SetError("No hardware accelerated renderers available");
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        }
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        /* Create the data after we successfully create the renderer (bug #1116) */
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        data = (SDL_WindowTextureData *)SDL_calloc(1, sizeof(*data));
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        if (!data) {
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            SDL_DestroyRenderer(renderer);
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            return SDL_OutOfMemory();
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        }
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        SDL_SetWindowData(window, SDL_WINDOWTEXTUREDATA, data);
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        data->renderer = renderer;
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    }
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    /* Free any old texture and pixel data */
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    if (data->texture) {
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        SDL_DestroyTexture(data->texture);
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        data->texture = NULL;
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    }
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    SDL_free(data->pixels);
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    data->pixels = NULL;
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    {
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        SDL_RendererInfo info;
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        Uint32 i;
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        if (SDL_GetRendererInfo(data->renderer, &info) < 0) {
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            return -1;
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        }
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        /* Find the first format without an alpha channel */
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        *format = info.texture_formats[0];
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        for (i = 0; i < info.num_texture_formats; ++i) {
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            if (!SDL_ISPIXELFORMAT_FOURCC(info.texture_formats[i]) &&
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                    !SDL_ISPIXELFORMAT_ALPHA(info.texture_formats[i])) {
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                *format = info.texture_formats[i];
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                break;
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            }
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        }
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    }
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    data->texture = SDL_CreateTexture(data->renderer, *format,
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                                      SDL_TEXTUREACCESS_STREAMING,
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                                      window->w, window->h);
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    if (!data->texture) {
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        return -1;
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    }
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    /* Create framebuffer data */
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    data->bytes_per_pixel = SDL_BYTESPERPIXEL(*format);
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    data->pitch = (((window->w * data->bytes_per_pixel) + 3) & ~3);
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    {
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        /* Make static analysis happy about potential malloc(0) calls. */
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        const size_t allocsize = window->h * data->pitch;
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        data->pixels = SDL_malloc((allocsize > 0) ? allocsize : 1);
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        if (!data->pixels) {
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            return SDL_OutOfMemory();
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        }
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    }
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    *pixels = data->pixels;
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    *pitch = data->pitch;
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    /* Make sure we're not double-scaling the viewport */
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    SDL_RenderSetViewport(data->renderer, NULL);
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    return 0;
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}
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static int
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SDL_UpdateWindowTexture(SDL_VideoDevice *unused, SDL_Window * window, const SDL_Rect * rects, int numrects)
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{
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    SDL_WindowTextureData *data;
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    SDL_Rect rect;
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    void *src;
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    data = SDL_GetWindowData(window, SDL_WINDOWTEXTUREDATA);
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    if (!data || !data->texture) {
slouken@8582
   369
        return SDL_SetError("No window texture data");
slouken@8582
   370
    }
slouken@8582
   371
slouken@8582
   372
    /* Update a single rect that contains subrects for best DMA performance */
slouken@8582
   373
    if (SDL_GetSpanEnclosingRect(window->w, window->h, numrects, rects, &rect)) {
slouken@8582
   374
        src = (void *)((Uint8 *)data->pixels +
slouken@8582
   375
                        rect.y * data->pitch +
slouken@8582
   376
                        rect.x * data->bytes_per_pixel);
slouken@8582
   377
        if (SDL_UpdateTexture(data->texture, &rect, src, data->pitch) < 0) {
slouken@8582
   378
            return -1;
slouken@8582
   379
        }
slouken@8582
   380
slouken@8582
   381
        if (SDL_RenderCopy(data->renderer, data->texture, NULL, NULL) < 0) {
slouken@8582
   382
            return -1;
slouken@8582
   383
        }
slouken@8582
   384
slouken@8582
   385
        SDL_RenderPresent(data->renderer);
slouken@8582
   386
    }
slouken@8582
   387
    return 0;
slouken@8582
   388
}
slouken@8582
   389
slouken@8582
   390
static void
slouken@8922
   391
SDL_DestroyWindowTexture(SDL_VideoDevice *unused, SDL_Window * window)
slouken@8582
   392
{
slouken@8582
   393
    SDL_WindowTextureData *data;
slouken@8582
   394
slouken@8582
   395
    data = SDL_SetWindowData(window, SDL_WINDOWTEXTUREDATA, NULL);
slouken@8582
   396
    if (!data) {
slouken@8582
   397
        return;
slouken@8582
   398
    }
slouken@8582
   399
    if (data->texture) {
slouken@8582
   400
        SDL_DestroyTexture(data->texture);
slouken@8582
   401
    }
slouken@8582
   402
    if (data->renderer) {
slouken@8582
   403
        SDL_DestroyRenderer(data->renderer);
slouken@8582
   404
    }
slouken@8582
   405
    SDL_free(data->pixels);
slouken@8582
   406
    SDL_free(data);
slouken@8582
   407
}
slouken@8582
   408
slouken@8582
   409
slouken@8582
   410
static int
slouken@8582
   411
cmpmodes(const void *A, const void *B)
slouken@8582
   412
{
slouken@8582
   413
    const SDL_DisplayMode *a = (const SDL_DisplayMode *) A;
slouken@8582
   414
    const SDL_DisplayMode *b = (const SDL_DisplayMode *) B;
slouken@8582
   415
    if (a == b) {
slouken@8582
   416
        return 0;
slouken@8582
   417
    } else if (a->w != b->w) {
slouken@8582
   418
        return b->w - a->w;
slouken@8582
   419
    } else if (a->h != b->h) {
slouken@8582
   420
        return b->h - a->h;
slouken@8582
   421
    } else if (SDL_BITSPERPIXEL(a->format) != SDL_BITSPERPIXEL(b->format)) {
slouken@8582
   422
        return SDL_BITSPERPIXEL(b->format) - SDL_BITSPERPIXEL(a->format);
slouken@8582
   423
    } else if (SDL_PIXELLAYOUT(a->format) != SDL_PIXELLAYOUT(b->format)) {
slouken@8582
   424
        return SDL_PIXELLAYOUT(b->format) - SDL_PIXELLAYOUT(a->format);
slouken@8582
   425
    } else if (a->refresh_rate != b->refresh_rate) {
slouken@8582
   426
        return b->refresh_rate - a->refresh_rate;
slouken@8582
   427
    }
slouken@8582
   428
    return 0;
slouken@8582
   429
}
slouken@8582
   430
slouken@8582
   431
static int
slouken@8582
   432
SDL_UninitializedVideo()
slouken@8582
   433
{
slouken@8582
   434
    return SDL_SetError("Video subsystem has not been initialized");
slouken@8582
   435
}
slouken@8582
   436
slouken@8582
   437
int
slouken@8582
   438
SDL_GetNumVideoDrivers(void)
slouken@8582
   439
{
slouken@8582
   440
    return SDL_arraysize(bootstrap) - 1;
slouken@8582
   441
}
slouken@8582
   442
slouken@8582
   443
const char *
slouken@8582
   444
SDL_GetVideoDriver(int index)
slouken@8582
   445
{
slouken@8582
   446
    if (index >= 0 && index < SDL_GetNumVideoDrivers()) {
slouken@8582
   447
        return bootstrap[index]->name;
slouken@8582
   448
    }
slouken@8582
   449
    return NULL;
slouken@8582
   450
}
slouken@8582
   451
slouken@8582
   452
/*
slouken@8582
   453
 * Initialize the video and event subsystems -- determine native pixel format
slouken@8582
   454
 */
slouken@8582
   455
int
slouken@8582
   456
SDL_VideoInit(const char *driver_name)
slouken@8582
   457
{
slouken@8582
   458
    SDL_VideoDevice *video;
slouken@8582
   459
    int index;
slouken@8582
   460
    int i;
slouken@8582
   461
slouken@8582
   462
    /* Check to make sure we don't overwrite '_this' */
slouken@8582
   463
    if (_this != NULL) {
slouken@8582
   464
        SDL_VideoQuit();
slouken@8582
   465
    }
slouken@8582
   466
slouken@8582
   467
#if !SDL_TIMERS_DISABLED
slouken@8268
   468
    SDL_TicksInit();
slouken@8582
   469
#endif
slouken@8582
   470
slouken@8582
   471
    /* Start the event loop */
slouken@8582
   472
    if (SDL_InitSubSystem(SDL_INIT_EVENTS) < 0 ||
slouken@8582
   473
        SDL_KeyboardInit() < 0 ||
slouken@8582
   474
        SDL_MouseInit() < 0 ||
slouken@8582
   475
        SDL_TouchInit() < 0) {
slouken@8582
   476
        return -1;
slouken@8582
   477
    }
slouken@8582
   478
slouken@8582
   479
    /* Select the proper video driver */
slouken@8582
   480
    index = 0;
slouken@8582
   481
    video = NULL;
slouken@8582
   482
    if (driver_name == NULL) {
slouken@8582
   483
        driver_name = SDL_getenv("SDL_VIDEODRIVER");
slouken@8582
   484
    }
slouken@8582
   485
    if (driver_name != NULL) {
slouken@8582
   486
        for (i = 0; bootstrap[i]; ++i) {
slouken@8582
   487
            if (SDL_strncasecmp(bootstrap[i]->name, driver_name, SDL_strlen(driver_name)) == 0) {
gabomdq@8117
   488
                if (bootstrap[i]->available()) {
gabomdq@8117
   489
                    video = bootstrap[i]->create(index);
gabomdq@8117
   490
                    break;
gabomdq@8117
   491
                }
slouken@8582
   492
            }
slouken@8582
   493
        }
slouken@8582
   494
    } else {
slouken@8582
   495
        for (i = 0; bootstrap[i]; ++i) {
slouken@8582
   496
            if (bootstrap[i]->available()) {
slouken@8582
   497
                video = bootstrap[i]->create(index);
slouken@8582
   498
                if (video != NULL) {
slouken@8582
   499
                    break;
slouken@8582
   500
                }
slouken@8582
   501
            }
slouken@8582
   502
        }
slouken@8582
   503
    }
slouken@8582
   504
    if (video == NULL) {
slouken@8582
   505
        if (driver_name) {
slouken@8582
   506
            return SDL_SetError("%s not available", driver_name);
slouken@8582
   507
        }
slouken@8582
   508
        return SDL_SetError("No available video device");
slouken@8582
   509
    }
slouken@8582
   510
    _this = video;
slouken@8582
   511
    _this->name = bootstrap[i]->name;
slouken@8582
   512
    _this->next_object_id = 1;
slouken@8582
   513
slouken@8582
   514
slouken@8582
   515
    /* Set some very sane GL defaults */
slouken@8582
   516
    _this->gl_config.driver_loaded = 0;
slouken@8582
   517
    _this->gl_config.dll_handle = NULL;
jorgen@8145
   518
    SDL_GL_ResetAttributes();
slouken@8582
   519
slouken@8582
   520
    _this->current_glwin_tls = SDL_TLSCreate();
slouken@8582
   521
    _this->current_glctx_tls = SDL_TLSCreate();
slouken@8582
   522
slouken@8582
   523
    /* Initialize the video subsystem */
slouken@8582
   524
    if (_this->VideoInit(_this) < 0) {
slouken@8582
   525
        SDL_VideoQuit();
slouken@8582
   526
        return -1;
slouken@8582
   527
    }
slouken@8582
   528
slouken@8582
   529
    /* Make sure some displays were added */
slouken@8582
   530
    if (_this->num_displays == 0) {
slouken@8582
   531
        SDL_VideoQuit();
slouken@8582
   532
        return SDL_SetError("The video driver did not add any displays");
slouken@8582
   533
    }
slouken@8582
   534
slouken@8582
   535
    /* Add the renderer framebuffer emulation if desired */
slouken@8582
   536
    if (ShouldUseTextureFramebuffer()) {
slouken@8582
   537
        _this->CreateWindowFramebuffer = SDL_CreateWindowTexture;
slouken@8582
   538
        _this->UpdateWindowFramebuffer = SDL_UpdateWindowTexture;
slouken@8582
   539
        _this->DestroyWindowFramebuffer = SDL_DestroyWindowTexture;
slouken@8582
   540
    }
slouken@8582
   541
icculus@8265
   542
    /* Disable the screen saver by default. This is a change from <= 2.0.1,
icculus@8265
   543
       but most things using SDL are games or media players; you wouldn't
icculus@8265
   544
       want a screensaver to trigger if you're playing exclusively with a
icculus@8265
   545
       joystick, or passively watching a movie. Things that use SDL but
icculus@8265
   546
       function more like a normal desktop app should explicitly reenable the
icculus@8265
   547
       screensaver. */
slouken@10499
   548
    if (!SDL_GetHintBoolean(SDL_HINT_VIDEO_ALLOW_SCREENSAVER, SDL_FALSE)) {
slouken@8266
   549
        SDL_DisableScreenSaver();
slouken@8266
   550
    }
icculus@8265
   551
slouken@8582
   552
    /* If we don't use a screen keyboard, turn on text input by default,
slouken@8582
   553
       otherwise programs that expect to get text events without enabling
slouken@8582
   554
       UNICODE input won't get any events.
slouken@8582
   555
slouken@8582
   556
       Actually, come to think of it, you needed to call SDL_EnableUNICODE(1)
slouken@8582
   557
       in SDL 1.2 before you got text input events.  Hmm...
slouken@8582
   558
     */
slouken@8582
   559
    if (!SDL_HasScreenKeyboardSupport()) {
slouken@8582
   560
        SDL_StartTextInput();
slouken@8582
   561
    }
slouken@8582
   562
slouken@8582
   563
    /* We're ready to go! */
slouken@8582
   564
    return 0;
slouken@8582
   565
}
slouken@8582
   566
slouken@8582
   567
const char *
slouken@8582
   568
SDL_GetCurrentVideoDriver()
slouken@8582
   569
{
slouken@8582
   570
    if (!_this) {
slouken@8582
   571
        SDL_UninitializedVideo();
slouken@8582
   572
        return NULL;
slouken@8582
   573
    }
slouken@8582
   574
    return _this->name;
slouken@8582
   575
}
slouken@8582
   576
slouken@8582
   577
SDL_VideoDevice *
slouken@8582
   578
SDL_GetVideoDevice(void)
slouken@8582
   579
{
slouken@8582
   580
    return _this;
slouken@8582
   581
}
slouken@8582
   582
slouken@8582
   583
int
slouken@8582
   584
SDL_AddBasicVideoDisplay(const SDL_DisplayMode * desktop_mode)
slouken@8582
   585
{
slouken@8582
   586
    SDL_VideoDisplay display;
slouken@8582
   587
slouken@8582
   588
    SDL_zero(display);
slouken@8582
   589
    if (desktop_mode) {
slouken@8582
   590
        display.desktop_mode = *desktop_mode;
slouken@8582
   591
    }
slouken@8582
   592
    display.current_mode = display.desktop_mode;
slouken@8582
   593
slouken@8582
   594
    return SDL_AddVideoDisplay(&display);
slouken@8582
   595
}
slouken@8582
   596
slouken@8582
   597
int
slouken@8582
   598
SDL_AddVideoDisplay(const SDL_VideoDisplay * display)
slouken@8582
   599
{
slouken@8582
   600
    SDL_VideoDisplay *displays;
slouken@8582
   601
    int index = -1;
slouken@8582
   602
slouken@8582
   603
    displays =
slouken@8582
   604
        SDL_realloc(_this->displays,
slouken@8582
   605
                    (_this->num_displays + 1) * sizeof(*displays));
slouken@8582
   606
    if (displays) {
slouken@8582
   607
        index = _this->num_displays++;
slouken@8582
   608
        displays[index] = *display;
slouken@8582
   609
        displays[index].device = _this;
slouken@8582
   610
        _this->displays = displays;
slouken@8582
   611
slouken@8582
   612
        if (display->name) {
slouken@8582
   613
            displays[index].name = SDL_strdup(display->name);
slouken@8582
   614
        } else {
slouken@8582
   615
            char name[32];
slouken@8582
   616
slouken@8582
   617
            SDL_itoa(index, name, 10);
slouken@8582
   618
            displays[index].name = SDL_strdup(name);
slouken@8582
   619
        }
slouken@8582
   620
    } else {
slouken@8582
   621
        SDL_OutOfMemory();
slouken@8582
   622
    }
slouken@8582
   623
    return index;
slouken@8582
   624
}
slouken@8582
   625
slouken@8582
   626
int
slouken@8582
   627
SDL_GetNumVideoDisplays(void)
slouken@8582
   628
{
slouken@8582
   629
    if (!_this) {
slouken@8582
   630
        SDL_UninitializedVideo();
slouken@8582
   631
        return 0;
slouken@8582
   632
    }
slouken@8582
   633
    return _this->num_displays;
slouken@8582
   634
}
slouken@8582
   635
slouken@8582
   636
static int
slouken@8582
   637
SDL_GetIndexOfDisplay(SDL_VideoDisplay *display)
slouken@8582
   638
{
slouken@8582
   639
    int displayIndex;
slouken@8582
   640
slouken@8582
   641
    for (displayIndex = 0; displayIndex < _this->num_displays; ++displayIndex) {
slouken@8582
   642
        if (display == &_this->displays[displayIndex]) {
slouken@8582
   643
            return displayIndex;
slouken@8582
   644
        }
slouken@8582
   645
    }
slouken@8582
   646
slouken@8582
   647
    /* Couldn't find the display, just use index 0 */
slouken@8582
   648
    return 0;
slouken@8582
   649
}
slouken@8582
   650
slouken@8582
   651
void *
slouken@8818
   652
SDL_GetDisplayDriverData(int displayIndex)
slouken@8582
   653
{
slouken@8818
   654
    CHECK_DISPLAY_INDEX(displayIndex, NULL);
slouken@8582
   655
slouken@8582
   656
    return _this->displays[displayIndex].driverdata;
slouken@8582
   657
}
slouken@8582
   658
slouken@8582
   659
const char *
slouken@8582
   660
SDL_GetDisplayName(int displayIndex)
slouken@8582
   661
{
slouken@8582
   662
    CHECK_DISPLAY_INDEX(displayIndex, NULL);
slouken@8582
   663
slouken@8582
   664
    return _this->displays[displayIndex].name;
slouken@8582
   665
}
slouken@8582
   666
slouken@8582
   667
int
slouken@8582
   668
SDL_GetDisplayBounds(int displayIndex, SDL_Rect * rect)
slouken@8582
   669
{
slouken@8582
   670
    CHECK_DISPLAY_INDEX(displayIndex, -1);
slouken@8582
   671
slouken@8582
   672
    if (rect) {
slouken@8582
   673
        SDL_VideoDisplay *display = &_this->displays[displayIndex];
slouken@8582
   674
slouken@8582
   675
        if (_this->GetDisplayBounds) {
slouken@8582
   676
            if (_this->GetDisplayBounds(_this, display, rect) == 0) {
slouken@8582
   677
                return 0;
slouken@8582
   678
            }
slouken@8582
   679
        }
slouken@8582
   680
slouken@8582
   681
        /* Assume that the displays are left to right */
slouken@8582
   682
        if (displayIndex == 0) {
slouken@8582
   683
            rect->x = 0;
slouken@8582
   684
            rect->y = 0;
slouken@8582
   685
        } else {
slouken@8582
   686
            SDL_GetDisplayBounds(displayIndex-1, rect);
slouken@8582
   687
            rect->x += rect->w;
slouken@8582
   688
        }
slouken@8582
   689
        rect->w = display->current_mode.w;
slouken@8582
   690
        rect->h = display->current_mode.h;
slouken@8582
   691
    }
icculus@10019
   692
    return 0;  /* !!! FIXME: should this be an error if (rect==NULL) ? */
icculus@10019
   693
}
icculus@10019
   694
icculus@10019
   695
int SDL_GetDisplayUsableBounds(int displayIndex, SDL_Rect * rect)
icculus@10019
   696
{
icculus@10019
   697
    CHECK_DISPLAY_INDEX(displayIndex, -1);
icculus@10019
   698
icculus@10019
   699
    if (rect) {
icculus@10019
   700
        SDL_VideoDisplay *display = &_this->displays[displayIndex];
icculus@10019
   701
icculus@10019
   702
        if (_this->GetDisplayUsableBounds) {
icculus@10019
   703
            if (_this->GetDisplayUsableBounds(_this, display, rect) == 0) {
icculus@10019
   704
                return 0;
icculus@10019
   705
            }
icculus@10019
   706
        }
icculus@10019
   707
icculus@10019
   708
        /* Oh well, just give the entire display bounds. */
icculus@10019
   709
        return SDL_GetDisplayBounds(displayIndex, rect);
icculus@10019
   710
    }
icculus@10019
   711
    return 0;  /* !!! FIXME: should this be an error if (rect==NULL) ? */
slouken@8582
   712
}
slouken@8582
   713
alfred@9813
   714
int
alfred@9813
   715
SDL_GetDisplayDPI(int displayIndex, float * ddpi, float * hdpi, float * vdpi)
alfred@9813
   716
{
alfred@9813
   717
	SDL_VideoDisplay *display;
alfred@9813
   718
alfred@9813
   719
    CHECK_DISPLAY_INDEX(displayIndex, -1);
alfred@9813
   720
alfred@9813
   721
    display = &_this->displays[displayIndex];
alfred@9813
   722
alfred@9813
   723
	if (_this->GetDisplayDPI) {
alfred@9813
   724
		if (_this->GetDisplayDPI(_this, display, ddpi, hdpi, vdpi) == 0) {
alfred@9813
   725
			return 0;
alfred@9813
   726
		}
philipp@10166
   727
    } else {
philipp@10166
   728
        return SDL_Unsupported();
philipp@10166
   729
    }
alfred@9813
   730
alfred@9813
   731
	return -1;
alfred@9813
   732
}
alfred@9813
   733
slouken@8582
   734
SDL_bool
slouken@8582
   735
SDL_AddDisplayMode(SDL_VideoDisplay * display,  const SDL_DisplayMode * mode)
slouken@8582
   736
{
slouken@8582
   737
    SDL_DisplayMode *modes;
slouken@8582
   738
    int i, nmodes;
slouken@8582
   739
slouken@8582
   740
    /* Make sure we don't already have the mode in the list */
slouken@8582
   741
    modes = display->display_modes;
slouken@8582
   742
    nmodes = display->num_display_modes;
slouken@8582
   743
    for (i = 0; i < nmodes; ++i) {
slouken@8582
   744
        if (cmpmodes(mode, &modes[i]) == 0) {
slouken@8582
   745
            return SDL_FALSE;
slouken@8582
   746
        }
slouken@8582
   747
    }
slouken@8582
   748
slouken@8582
   749
    /* Go ahead and add the new mode */
slouken@8582
   750
    if (nmodes == display->max_display_modes) {
slouken@8582
   751
        modes =
slouken@8582
   752
            SDL_realloc(modes,
slouken@8582
   753
                        (display->max_display_modes + 32) * sizeof(*modes));
slouken@8582
   754
        if (!modes) {
slouken@8582
   755
            return SDL_FALSE;
slouken@8582
   756
        }
slouken@8582
   757
        display->display_modes = modes;
slouken@8582
   758
        display->max_display_modes += 32;
slouken@8582
   759
    }
slouken@8582
   760
    modes[nmodes] = *mode;
slouken@8582
   761
    display->num_display_modes++;
slouken@8582
   762
slouken@8582
   763
    /* Re-sort video modes */
slouken@8582
   764
    SDL_qsort(display->display_modes, display->num_display_modes,
slouken@8582
   765
              sizeof(SDL_DisplayMode), cmpmodes);
slouken@8582
   766
slouken@8582
   767
    return SDL_TRUE;
slouken@8582
   768
}
slouken@8582
   769
slouken@8582
   770
static int
slouken@8582
   771
SDL_GetNumDisplayModesForDisplay(SDL_VideoDisplay * display)
slouken@8582
   772
{
slouken@8582
   773
    if (!display->num_display_modes && _this->GetDisplayModes) {
slouken@8582
   774
        _this->GetDisplayModes(_this, display);
slouken@8582
   775
        SDL_qsort(display->display_modes, display->num_display_modes,
slouken@8582
   776
                  sizeof(SDL_DisplayMode), cmpmodes);
slouken@8582
   777
    }
slouken@8582
   778
    return display->num_display_modes;
slouken@8582
   779
}
slouken@8582
   780
slouken@8582
   781
int
slouken@8582
   782
SDL_GetNumDisplayModes(int displayIndex)
slouken@8582
   783
{
slouken@8582
   784
    CHECK_DISPLAY_INDEX(displayIndex, -1);
slouken@8582
   785
slouken@8582
   786
    return SDL_GetNumDisplayModesForDisplay(&_this->displays[displayIndex]);
slouken@8582
   787
}
slouken@8582
   788
slouken@8582
   789
int
slouken@8582
   790
SDL_GetDisplayMode(int displayIndex, int index, SDL_DisplayMode * mode)
slouken@8582
   791
{
slouken@8582
   792
    SDL_VideoDisplay *display;
slouken@8582
   793
slouken@8582
   794
    CHECK_DISPLAY_INDEX(displayIndex, -1);
slouken@8582
   795
slouken@8582
   796
    display = &_this->displays[displayIndex];
slouken@8582
   797
    if (index < 0 || index >= SDL_GetNumDisplayModesForDisplay(display)) {
slouken@8582
   798
        return SDL_SetError("index must be in the range of 0 - %d",
slouken@8582
   799
                            SDL_GetNumDisplayModesForDisplay(display) - 1);
slouken@8582
   800
    }
slouken@8582
   801
    if (mode) {
slouken@8582
   802
        *mode = display->display_modes[index];
slouken@8582
   803
    }
slouken@8582
   804
    return 0;
slouken@8582
   805
}
slouken@8582
   806
slouken@8582
   807
int
slouken@8582
   808
SDL_GetDesktopDisplayMode(int displayIndex, SDL_DisplayMode * mode)
slouken@8582
   809
{
slouken@8582
   810
    SDL_VideoDisplay *display;
slouken@8582
   811
slouken@8582
   812
    CHECK_DISPLAY_INDEX(displayIndex, -1);
slouken@8582
   813
slouken@8582
   814
    display = &_this->displays[displayIndex];
slouken@8582
   815
    if (mode) {
slouken@8582
   816
        *mode = display->desktop_mode;
slouken@8582
   817
    }
slouken@8582
   818
    return 0;
slouken@8582
   819
}
slouken@8582
   820
slouken@8582
   821
int
slouken@8582
   822
SDL_GetCurrentDisplayMode(int displayIndex, SDL_DisplayMode * mode)
slouken@8582
   823
{
slouken@8582
   824
    SDL_VideoDisplay *display;
slouken@8582
   825
slouken@8582
   826
    CHECK_DISPLAY_INDEX(displayIndex, -1);
slouken@8582
   827
slouken@8582
   828
    display = &_this->displays[displayIndex];
slouken@8582
   829
    if (mode) {
slouken@8582
   830
        *mode = display->current_mode;
slouken@8582
   831
    }
slouken@8582
   832
    return 0;
slouken@8582
   833
}
slouken@8582
   834
slouken@8582
   835
static SDL_DisplayMode *
slouken@8582
   836
SDL_GetClosestDisplayModeForDisplay(SDL_VideoDisplay * display,
slouken@8582
   837
                                    const SDL_DisplayMode * mode,
slouken@8582
   838
                                    SDL_DisplayMode * closest)
slouken@8582
   839
{
slouken@8582
   840
    Uint32 target_format;
slouken@8582
   841
    int target_refresh_rate;
slouken@8582
   842
    int i;
slouken@8582
   843
    SDL_DisplayMode *current, *match;
slouken@8582
   844
slouken@8582
   845
    if (!mode || !closest) {
slouken@8582
   846
        SDL_SetError("Missing desired mode or closest mode parameter");
slouken@8582
   847
        return NULL;
slouken@8582
   848
    }
slouken@8582
   849
slouken@8582
   850
    /* Default to the desktop format */
slouken@8582
   851
    if (mode->format) {
slouken@8582
   852
        target_format = mode->format;
slouken@8582
   853
    } else {
slouken@8582
   854
        target_format = display->desktop_mode.format;
slouken@8582
   855
    }
slouken@8582
   856
slouken@8582
   857
    /* Default to the desktop refresh rate */
slouken@8582
   858
    if (mode->refresh_rate) {
slouken@8582
   859
        target_refresh_rate = mode->refresh_rate;
slouken@8582
   860
    } else {
slouken@8582
   861
        target_refresh_rate = display->desktop_mode.refresh_rate;
slouken@8582
   862
    }
slouken@8582
   863
slouken@8582
   864
    match = NULL;
slouken@8582
   865
    for (i = 0; i < SDL_GetNumDisplayModesForDisplay(display); ++i) {
slouken@8582
   866
        current = &display->display_modes[i];
slouken@8582
   867
slouken@8582
   868
        if (current->w && (current->w < mode->w)) {
slouken@8582
   869
            /* Out of sorted modes large enough here */
slouken@8582
   870
            break;
slouken@8582
   871
        }
slouken@8582
   872
        if (current->h && (current->h < mode->h)) {
slouken@8582
   873
            if (current->w && (current->w == mode->w)) {
slouken@8582
   874
                /* Out of sorted modes large enough here */
slouken@8582
   875
                break;
slouken@8582
   876
            }
slouken@8582
   877
            /* Wider, but not tall enough, due to a different
slouken@8582
   878
               aspect ratio. This mode must be skipped, but closer
slouken@8582
   879
               modes may still follow. */
slouken@8582
   880
            continue;
slouken@8582
   881
        }
slouken@8582
   882
        if (!match || current->w < match->w || current->h < match->h) {
slouken@8582
   883
            match = current;
slouken@8582
   884
            continue;
slouken@8582
   885
        }
slouken@8582
   886
        if (current->format != match->format) {
slouken@8582
   887
            /* Sorted highest depth to lowest */
slouken@8582
   888
            if (current->format == target_format ||
slouken@8582
   889
                (SDL_BITSPERPIXEL(current->format) >=
slouken@8582
   890
                 SDL_BITSPERPIXEL(target_format)
slouken@8582
   891
                 && SDL_PIXELTYPE(current->format) ==
slouken@8582
   892
                 SDL_PIXELTYPE(target_format))) {
slouken@8582
   893
                match = current;
slouken@8582
   894
            }
slouken@8582
   895
            continue;
slouken@8582
   896
        }
slouken@8582
   897
        if (current->refresh_rate != match->refresh_rate) {
slouken@8582
   898
            /* Sorted highest refresh to lowest */
slouken@8582
   899
            if (current->refresh_rate >= target_refresh_rate) {
slouken@8582
   900
                match = current;
slouken@8582
   901
            }
slouken@8582
   902
        }
slouken@8582
   903
    }
slouken@8582
   904
    if (match) {
slouken@8582
   905
        if (match->format) {
slouken@8582
   906
            closest->format = match->format;
slouken@8582
   907
        } else {
slouken@8582
   908
            closest->format = mode->format;
slouken@8582
   909
        }
slouken@8582
   910
        if (match->w && match->h) {
slouken@8582
   911
            closest->w = match->w;
slouken@8582
   912
            closest->h = match->h;
slouken@8582
   913
        } else {
slouken@8582
   914
            closest->w = mode->w;
slouken@8582
   915
            closest->h = mode->h;
slouken@8582
   916
        }
slouken@8582
   917
        if (match->refresh_rate) {
slouken@8582
   918
            closest->refresh_rate = match->refresh_rate;
slouken@8582
   919
        } else {
slouken@8582
   920
            closest->refresh_rate = mode->refresh_rate;
slouken@8582
   921
        }
slouken@8582
   922
        closest->driverdata = match->driverdata;
slouken@8582
   923
slouken@8582
   924
        /*
slouken@8582
   925
         * Pick some reasonable defaults if the app and driver don't
slouken@8582
   926
         * care
slouken@8582
   927
         */
slouken@8582
   928
        if (!closest->format) {
slouken@8582
   929
            closest->format = SDL_PIXELFORMAT_RGB888;
slouken@8582
   930
        }
slouken@8582
   931
        if (!closest->w) {
slouken@8582
   932
            closest->w = 640;
slouken@8582
   933
        }
slouken@8582
   934
        if (!closest->h) {
slouken@8582
   935
            closest->h = 480;
slouken@8582
   936
        }
slouken@8582
   937
        return closest;
slouken@8582
   938
    }
slouken@8582
   939
    return NULL;
slouken@8582
   940
}
slouken@8582
   941
slouken@8582
   942
SDL_DisplayMode *
slouken@8582
   943
SDL_GetClosestDisplayMode(int displayIndex,
slouken@8582
   944
                          const SDL_DisplayMode * mode,
slouken@8582
   945
                          SDL_DisplayMode * closest)
slouken@8582
   946
{
slouken@8582
   947
    SDL_VideoDisplay *display;
slouken@8582
   948
slouken@8582
   949
    CHECK_DISPLAY_INDEX(displayIndex, NULL);
slouken@8582
   950
slouken@8582
   951
    display = &_this->displays[displayIndex];
slouken@8582
   952
    return SDL_GetClosestDisplayModeForDisplay(display, mode, closest);
slouken@8582
   953
}
slouken@8582
   954
slouken@8582
   955
static int
slouken@8582
   956
SDL_SetDisplayModeForDisplay(SDL_VideoDisplay * display, const SDL_DisplayMode * mode)
slouken@8582
   957
{
slouken@8582
   958
    SDL_DisplayMode display_mode;
slouken@8582
   959
    SDL_DisplayMode current_mode;
slouken@8582
   960
slouken@8582
   961
    if (mode) {
slouken@8582
   962
        display_mode = *mode;
slouken@8582
   963
slouken@8582
   964
        /* Default to the current mode */
slouken@8582
   965
        if (!display_mode.format) {
slouken@8582
   966
            display_mode.format = display->current_mode.format;
slouken@8582
   967
        }
slouken@8582
   968
        if (!display_mode.w) {
slouken@8582
   969
            display_mode.w = display->current_mode.w;
slouken@8582
   970
        }
slouken@8582
   971
        if (!display_mode.h) {
slouken@8582
   972
            display_mode.h = display->current_mode.h;
slouken@8582
   973
        }
slouken@8582
   974
        if (!display_mode.refresh_rate) {
slouken@8582
   975
            display_mode.refresh_rate = display->current_mode.refresh_rate;
slouken@8582
   976
        }
slouken@8582
   977
slouken@8582
   978
        /* Get a good video mode, the closest one possible */
slouken@8582
   979
        if (!SDL_GetClosestDisplayModeForDisplay(display, &display_mode, &display_mode)) {
slouken@8582
   980
            return SDL_SetError("No video mode large enough for %dx%d",
slouken@8582
   981
                                display_mode.w, display_mode.h);
slouken@8582
   982
        }
slouken@8582
   983
    } else {
slouken@8582
   984
        display_mode = display->desktop_mode;
slouken@8582
   985
    }
slouken@8582
   986
slouken@8582
   987
    /* See if there's anything left to do */
slouken@8582
   988
    current_mode = display->current_mode;
slouken@8582
   989
    if (SDL_memcmp(&display_mode, &current_mode, sizeof(display_mode)) == 0) {
slouken@8582
   990
        return 0;
slouken@8582
   991
    }
slouken@8582
   992
slouken@8582
   993
    /* Actually change the display mode */
slouken@8582
   994
    if (!_this->SetDisplayMode) {
slouken@8582
   995
        return SDL_SetError("Video driver doesn't support changing display mode");
slouken@8582
   996
    }
slouken@8582
   997
    if (_this->SetDisplayMode(_this, display, &display_mode) < 0) {
slouken@8582
   998
        return -1;
slouken@8582
   999
    }
slouken@8582
  1000
    display->current_mode = display_mode;
slouken@8582
  1001
    return 0;
slouken@8582
  1002
}
slouken@8582
  1003
slouken@8582
  1004
int
slouken@8582
  1005
SDL_GetWindowDisplayIndex(SDL_Window * window)
slouken@8582
  1006
{
slouken@8582
  1007
    int displayIndex;
slouken@8582
  1008
    int i, dist;
slouken@8582
  1009
    int closest = -1;
slouken@8582
  1010
    int closest_dist = 0x7FFFFFFF;
slouken@8582
  1011
    SDL_Point center;
slouken@8582
  1012
    SDL_Point delta;
slouken@8582
  1013
    SDL_Rect rect;
slouken@8582
  1014
slouken@8582
  1015
    CHECK_WINDOW_MAGIC(window, -1);
slouken@8582
  1016
slouken@8582
  1017
    if (SDL_WINDOWPOS_ISUNDEFINED(window->x) ||
slouken@8582
  1018
        SDL_WINDOWPOS_ISCENTERED(window->x)) {
slouken@8582
  1019
        displayIndex = (window->x & 0xFFFF);
slouken@8582
  1020
        if (displayIndex >= _this->num_displays) {
slouken@8582
  1021
            displayIndex = 0;
slouken@8582
  1022
        }
slouken@8582
  1023
        return displayIndex;
slouken@8582
  1024
    }
slouken@8582
  1025
    if (SDL_WINDOWPOS_ISUNDEFINED(window->y) ||
slouken@8582
  1026
        SDL_WINDOWPOS_ISCENTERED(window->y)) {
slouken@8582
  1027
        displayIndex = (window->y & 0xFFFF);
slouken@8582
  1028
        if (displayIndex >= _this->num_displays) {
slouken@8582
  1029
            displayIndex = 0;
slouken@8582
  1030
        }
slouken@8582
  1031
        return displayIndex;
slouken@8582
  1032
    }
slouken@8582
  1033
slouken@8582
  1034
    /* Find the display containing the window */
slouken@8582
  1035
    for (i = 0; i < _this->num_displays; ++i) {
slouken@8582
  1036
        SDL_VideoDisplay *display = &_this->displays[i];
slouken@8582
  1037
slouken@8582
  1038
        if (display->fullscreen_window == window) {
slouken@8582
  1039
            return i;
slouken@8582
  1040
        }
slouken@8582
  1041
    }
slouken@8582
  1042
    center.x = window->x + window->w / 2;
slouken@8582
  1043
    center.y = window->y + window->h / 2;
slouken@8582
  1044
    for (i = 0; i < _this->num_displays; ++i) {
slouken@8582
  1045
        SDL_GetDisplayBounds(i, &rect);
slouken@8582
  1046
        if (SDL_EnclosePoints(&center, 1, &rect, NULL)) {
slouken@8582
  1047
            return i;
slouken@8582
  1048
        }
slouken@8582
  1049
slouken@8582
  1050
        delta.x = center.x - (rect.x + rect.w / 2);
slouken@8582
  1051
        delta.y = center.y - (rect.y + rect.h / 2);
slouken@8582
  1052
        dist = (delta.x*delta.x + delta.y*delta.y);
slouken@8582
  1053
        if (dist < closest_dist) {
slouken@8582
  1054
            closest = i;
slouken@8582
  1055
            closest_dist = dist;
slouken@8582
  1056
        }
slouken@8582
  1057
    }
slouken@8582
  1058
    if (closest < 0) {
slouken@8582
  1059
        SDL_SetError("Couldn't find any displays");
slouken@8582
  1060
    }
slouken@8582
  1061
    return closest;
slouken@8582
  1062
}
slouken@8582
  1063
slouken@8582
  1064
SDL_VideoDisplay *
slouken@8582
  1065
SDL_GetDisplayForWindow(SDL_Window *window)
slouken@8582
  1066
{
slouken@8582
  1067
    int displayIndex = SDL_GetWindowDisplayIndex(window);
slouken@8582
  1068
    if (displayIndex >= 0) {
slouken@8582
  1069
        return &_this->displays[displayIndex];
slouken@8582
  1070
    } else {
slouken@8582
  1071
        return NULL;
slouken@8582
  1072
    }
slouken@8582
  1073
}
slouken@8582
  1074
slouken@8582
  1075
int
slouken@8582
  1076
SDL_SetWindowDisplayMode(SDL_Window * window, const SDL_DisplayMode * mode)
slouken@8582
  1077
{
slouken@8582
  1078
    CHECK_WINDOW_MAGIC(window, -1);
slouken@8582
  1079
slouken@8582
  1080
    if (mode) {
slouken@8582
  1081
        window->fullscreen_mode = *mode;
slouken@8582
  1082
    } else {
slouken@8582
  1083
        SDL_zero(window->fullscreen_mode);
slouken@8582
  1084
    }
slouken@8818
  1085
slouken@8818
  1086
    if (FULLSCREEN_VISIBLE(window) && (window->flags & SDL_WINDOW_FULLSCREEN_DESKTOP) != SDL_WINDOW_FULLSCREEN_DESKTOP) {
slouken@8818
  1087
        SDL_DisplayMode fullscreen_mode;
slouken@8818
  1088
        if (SDL_GetWindowDisplayMode(window, &fullscreen_mode) == 0) {
slouken@8818
  1089
            SDL_SetDisplayModeForDisplay(SDL_GetDisplayForWindow(window), &fullscreen_mode);
slouken@8818
  1090
        }
slouken@8818
  1091
    }
slouken@8582
  1092
    return 0;
slouken@8582
  1093
}
slouken@8582
  1094
slouken@8582
  1095
int
slouken@8582
  1096
SDL_GetWindowDisplayMode(SDL_Window * window, SDL_DisplayMode * mode)
slouken@8582
  1097
{
slouken@8582
  1098
    SDL_DisplayMode fullscreen_mode;
slouken@8582
  1099
    SDL_VideoDisplay *display;
slouken@8582
  1100
slouken@8818
  1101
    CHECK_WINDOW_MAGIC(window, -1);
slouken@8818
  1102
slouken@8582
  1103
    if (!mode) {
slouken@8818
  1104
        return SDL_InvalidParamError("mode");
slouken@8582
  1105
    }
slouken@8582
  1106
slouken@8582
  1107
    fullscreen_mode = window->fullscreen_mode;
slouken@8582
  1108
    if (!fullscreen_mode.w) {
slouken@8823
  1109
        fullscreen_mode.w = window->windowed.w;
slouken@8582
  1110
    }
slouken@8582
  1111
    if (!fullscreen_mode.h) {
slouken@8823
  1112
        fullscreen_mode.h = window->windowed.h;
slouken@8582
  1113
    }
slouken@8582
  1114
slouken@8582
  1115
    display = SDL_GetDisplayForWindow(window);
slouken@8582
  1116
slouken@8582
  1117
    /* if in desktop size mode, just return the size of the desktop */
slouken@8818
  1118
    if ((window->flags & SDL_WINDOW_FULLSCREEN_DESKTOP) == SDL_WINDOW_FULLSCREEN_DESKTOP) {
slouken@8582
  1119
        fullscreen_mode = display->desktop_mode;
slouken@8818
  1120
    } else if (!SDL_GetClosestDisplayModeForDisplay(SDL_GetDisplayForWindow(window),
slouken@8582
  1121
                                             &fullscreen_mode,
slouken@8582
  1122
                                             &fullscreen_mode)) {
slouken@8582
  1123
        return SDL_SetError("Couldn't find display mode match");
slouken@8582
  1124
    }
slouken@8582
  1125
slouken@8582
  1126
    if (mode) {
slouken@8582
  1127
        *mode = fullscreen_mode;
slouken@8582
  1128
    }
slouken@8582
  1129
    return 0;
slouken@8582
  1130
}
slouken@8582
  1131
slouken@8582
  1132
Uint32
slouken@8582
  1133
SDL_GetWindowPixelFormat(SDL_Window * window)
slouken@8582
  1134
{
slouken@8582
  1135
    SDL_VideoDisplay *display;
slouken@8582
  1136
slouken@8582
  1137
    CHECK_WINDOW_MAGIC(window, SDL_PIXELFORMAT_UNKNOWN);
slouken@8582
  1138
slouken@8582
  1139
    display = SDL_GetDisplayForWindow(window);
slouken@8582
  1140
    return display->current_mode.format;
slouken@8582
  1141
}
slouken@8582
  1142
slouken@8582
  1143
static void
slouken@8582
  1144
SDL_RestoreMousePosition(SDL_Window *window)
slouken@8582
  1145
{
slouken@8582
  1146
    int x, y;
slouken@8582
  1147
slouken@8582
  1148
    if (window == SDL_GetMouseFocus()) {
slouken@8582
  1149
        SDL_GetMouseState(&x, &y);
slouken@8582
  1150
        SDL_WarpMouseInWindow(window, x, y);
slouken@8582
  1151
    }
slouken@8582
  1152
}
slouken@8582
  1153
dludwig@9924
  1154
#if __WINRT__
dludwig@9924
  1155
extern Uint32 WINRT_DetectWindowFlags(SDL_Window * window);
dludwig@9924
  1156
#endif
dludwig@9924
  1157
slime73@9532
  1158
static int
slouken@8582
  1159
SDL_UpdateFullscreenMode(SDL_Window * window, SDL_bool fullscreen)
slouken@8582
  1160
{
slouken@8582
  1161
    SDL_VideoDisplay *display;
slouken@8582
  1162
    SDL_Window *other;
slouken@8582
  1163
slime73@9532
  1164
    CHECK_WINDOW_MAGIC(window,-1);
icculus@8783
  1165
alfred@9037
  1166
    /* if we are in the process of hiding don't go back to fullscreen */
alfred@9037
  1167
    if ( window->is_hiding && fullscreen )
slime73@9532
  1168
        return 0;
icculus@9887
  1169
slouken@8582
  1170
#ifdef __MACOSX__
slouken@9906
  1171
    /* if the window is going away and no resolution change is necessary,
slouken@9906
  1172
     do nothing, or else we may trigger an ugly double-transition
slouken@9906
  1173
     */
slouken@9906
  1174
    if (window->is_destroying && (window->last_fullscreen_flags & FULLSCREEN_MASK) == SDL_WINDOW_FULLSCREEN_DESKTOP)
slouken@9906
  1175
        return 0;
slouken@9906
  1176
    
icculus@9887
  1177
    /* If we're switching between a fullscreen Space and "normal" fullscreen, we need to get back to normal first. */
icculus@9887
  1178
    if (fullscreen && ((window->last_fullscreen_flags & FULLSCREEN_MASK) == SDL_WINDOW_FULLSCREEN_DESKTOP) && ((window->flags & FULLSCREEN_MASK) == SDL_WINDOW_FULLSCREEN)) {
slouken@9904
  1179
        if (!Cocoa_SetWindowFullscreenSpace(window, SDL_FALSE)) {
slouken@9904
  1180
            return -1;
slouken@9904
  1181
        }
icculus@9887
  1182
    } else if (fullscreen && ((window->last_fullscreen_flags & FULLSCREEN_MASK) == SDL_WINDOW_FULLSCREEN) && ((window->flags & FULLSCREEN_MASK) == SDL_WINDOW_FULLSCREEN_DESKTOP)) {
icculus@9887
  1183
        display = SDL_GetDisplayForWindow(window);
icculus@9887
  1184
        SDL_SetDisplayModeForDisplay(display, NULL);
icculus@9887
  1185
        if (_this->SetWindowFullscreen) {
icculus@9887
  1186
            _this->SetWindowFullscreen(_this, window, display, SDL_FALSE);
icculus@9887
  1187
        }
icculus@9887
  1188
    }
icculus@9887
  1189
slouken@8582
  1190
    if (Cocoa_SetWindowFullscreenSpace(window, fullscreen)) {
slouken@9904
  1191
        if (Cocoa_IsWindowInFullscreenSpace(window) != fullscreen) {
slouken@9904
  1192
            return -1;
slouken@9904
  1193
        }
jorgen@8110
  1194
        window->last_fullscreen_flags = window->flags;
slime73@9532
  1195
        return 0;
slouken@8582
  1196
    }
dludwig@9931
  1197
#elif __WINRT__ && (NTDDI_VERSION < NTDDI_WIN10)
dludwig@9924
  1198
    /* HACK: WinRT 8.x apps can't choose whether or not they are fullscreen
dludwig@9924
  1199
       or not.  The user can choose this, via OS-provided UI, but this can't
dludwig@9924
  1200
       be set programmatically.
dludwig@9924
  1201
dludwig@9924
  1202
       Just look at what SDL's WinRT video backend code detected with regards
dludwig@9924
  1203
       to fullscreen (being active, or not), and figure out a return/error code
dludwig@9924
  1204
       from that.
dludwig@9924
  1205
    */
dludwig@9924
  1206
    if (fullscreen == !(WINRT_DetectWindowFlags(window) & FULLSCREEN_MASK)) {
dludwig@9924
  1207
        /* Uh oh, either:
dludwig@9924
  1208
            1. fullscreen was requested, and we're already windowed
dludwig@9924
  1209
            2. windowed-mode was requested, and we're already fullscreen
dludwig@9924
  1210
dludwig@9924
  1211
            WinRT 8.x can't resolve either programmatically, so we're
dludwig@9924
  1212
            giving up.
dludwig@9924
  1213
        */
dludwig@9924
  1214
        return -1;
dludwig@9924
  1215
    } else {
dludwig@9924
  1216
        /* Whatever was requested, fullscreen or windowed mode, is already
dludwig@9924
  1217
            in-place.
dludwig@9924
  1218
        */
dludwig@9924
  1219
        return 0;
dludwig@9924
  1220
    }
slouken@8582
  1221
#endif
slouken@8582
  1222
slouken@8582
  1223
    display = SDL_GetDisplayForWindow(window);
slouken@8582
  1224
slouken@8582
  1225
    if (fullscreen) {
slouken@8582
  1226
        /* Hide any other fullscreen windows */
slouken@8582
  1227
        if (display->fullscreen_window &&
slouken@8582
  1228
            display->fullscreen_window != window) {
slouken@8582
  1229
            SDL_MinimizeWindow(display->fullscreen_window);
slouken@8582
  1230
        }
slouken@8582
  1231
    }
slouken@8582
  1232
slouken@8582
  1233
    /* See if anything needs to be done now */
slouken@8582
  1234
    if ((display->fullscreen_window == window) == fullscreen) {
jorgen@8110
  1235
        if ((window->last_fullscreen_flags & FULLSCREEN_MASK) == (window->flags & FULLSCREEN_MASK)) {
slime73@9532
  1236
            return 0;
jorgen@8110
  1237
        }
slouken@8582
  1238
    }
slouken@8582
  1239
slouken@8582
  1240
    /* See if there are any fullscreen windows */
slouken@8582
  1241
    for (other = _this->windows; other; other = other->next) {
slouken@8582
  1242
        SDL_bool setDisplayMode = SDL_FALSE;
slouken@8582
  1243
slouken@8582
  1244
        if (other == window) {
slouken@8582
  1245
            setDisplayMode = fullscreen;
slouken@8582
  1246
        } else if (FULLSCREEN_VISIBLE(other) &&
slouken@8582
  1247
                   SDL_GetDisplayForWindow(other) == display) {
slouken@8582
  1248
            setDisplayMode = SDL_TRUE;
slouken@8582
  1249
        }
slouken@8582
  1250
slouken@8582
  1251
        if (setDisplayMode) {
slouken@8582
  1252
            SDL_DisplayMode fullscreen_mode;
slouken@8582
  1253
icculus@8656
  1254
            SDL_zero(fullscreen_mode);
icculus@8656
  1255
slouken@8582
  1256
            if (SDL_GetWindowDisplayMode(other, &fullscreen_mode) == 0) {
slouken@8582
  1257
                SDL_bool resized = SDL_TRUE;
slouken@8582
  1258
slouken@8582
  1259
                if (other->w == fullscreen_mode.w && other->h == fullscreen_mode.h) {
slouken@8582
  1260
                    resized = SDL_FALSE;
slouken@8582
  1261
                }
slouken@8582
  1262
slouken@8582
  1263
                /* only do the mode change if we want exclusive fullscreen */
slouken@8582
  1264
                if ((window->flags & SDL_WINDOW_FULLSCREEN_DESKTOP) != SDL_WINDOW_FULLSCREEN_DESKTOP) {
slime73@9532
  1265
                    if (SDL_SetDisplayModeForDisplay(display, &fullscreen_mode) < 0) {
slime73@9532
  1266
                        return -1;
slime73@9532
  1267
                    }
slouken@8582
  1268
                } else {
slime73@9532
  1269
                    if (SDL_SetDisplayModeForDisplay(display, NULL) < 0) {
slime73@9532
  1270
                        return -1;
slime73@9532
  1271
                    }
slouken@8582
  1272
                }
slouken@8582
  1273
slouken@8582
  1274
                if (_this->SetWindowFullscreen) {
slouken@8582
  1275
                    _this->SetWindowFullscreen(_this, other, display, SDL_TRUE);
slouken@8582
  1276
                }
slouken@8582
  1277
                display->fullscreen_window = other;
slouken@8582
  1278
slouken@8582
  1279
                /* Generate a mode change event here */
slouken@8582
  1280
                if (resized) {
slouken@8582
  1281
                    SDL_SendWindowEvent(other, SDL_WINDOWEVENT_RESIZED,
slouken@8582
  1282
                                        fullscreen_mode.w, fullscreen_mode.h);
slouken@8582
  1283
                } else {
slouken@8582
  1284
                    SDL_OnWindowResized(other);
slouken@8582
  1285
                }
slouken@8582
  1286
slouken@8582
  1287
                SDL_RestoreMousePosition(other);
jorgen@8110
  1288
jorgen@8110
  1289
                window->last_fullscreen_flags = window->flags;
slime73@9532
  1290
                return 0;
slouken@8582
  1291
            }
slouken@8582
  1292
        }
slouken@8582
  1293
    }
slouken@8582
  1294
slouken@8582
  1295
    /* Nope, restore the desktop mode */
slouken@8582
  1296
    SDL_SetDisplayModeForDisplay(display, NULL);
slouken@8582
  1297
slouken@8582
  1298
    if (_this->SetWindowFullscreen) {
slouken@8582
  1299
        _this->SetWindowFullscreen(_this, window, display, SDL_FALSE);
slouken@8582
  1300
    }
slouken@8582
  1301
    display->fullscreen_window = NULL;
slouken@8582
  1302
slouken@8582
  1303
    /* Generate a mode change event here */
slouken@8582
  1304
    SDL_OnWindowResized(window);
slouken@8582
  1305
slouken@8582
  1306
    /* Restore the cursor position */
slouken@8582
  1307
    SDL_RestoreMousePosition(window);
jorgen@8110
  1308
jorgen@8110
  1309
    window->last_fullscreen_flags = window->flags;
slime73@9532
  1310
    return 0;
slouken@8582
  1311
}
slouken@8582
  1312
slouken@8582
  1313
#define CREATE_FLAGS \
icculus@10021
  1314
    (SDL_WINDOW_OPENGL | SDL_WINDOW_BORDERLESS | SDL_WINDOW_RESIZABLE | SDL_WINDOW_ALLOW_HIGHDPI | SDL_WINDOW_ALWAYS_ON_TOP | SDL_WINDOW_SKIP_TASKBAR | SDL_WINDOW_POPUP_MENU | SDL_WINDOW_UTILITY | SDL_WINDOW_TOOLTIP)
slouken@8582
  1315
slouken@8582
  1316
static void
slouken@8582
  1317
SDL_FinishWindowCreation(SDL_Window *window, Uint32 flags)
slouken@8582
  1318
{
slouken@8582
  1319
    if (flags & SDL_WINDOW_MAXIMIZED) {
slouken@8582
  1320
        SDL_MaximizeWindow(window);
slouken@8582
  1321
    }
slouken@8582
  1322
    if (flags & SDL_WINDOW_MINIMIZED) {
slouken@8582
  1323
        SDL_MinimizeWindow(window);
slouken@8582
  1324
    }
slouken@8582
  1325
    if (flags & SDL_WINDOW_FULLSCREEN) {
slouken@8582
  1326
        SDL_SetWindowFullscreen(window, flags);
slouken@8582
  1327
    }
slouken@8582
  1328
    if (flags & SDL_WINDOW_INPUT_GRABBED) {
slouken@8582
  1329
        SDL_SetWindowGrab(window, SDL_TRUE);
slouken@8582
  1330
    }
slouken@8582
  1331
    if (!(flags & SDL_WINDOW_HIDDEN)) {
slouken@8582
  1332
        SDL_ShowWindow(window);
slouken@8582
  1333
    }
slouken@8582
  1334
}
slouken@8582
  1335
slouken@8582
  1336
SDL_Window *
slouken@8582
  1337
SDL_CreateWindow(const char *title, int x, int y, int w, int h, Uint32 flags)
slouken@8582
  1338
{
slouken@8582
  1339
    SDL_Window *window;
slouken@8582
  1340
slouken@8582
  1341
    if (!_this) {
slouken@8582
  1342
        /* Initialize the video system if needed */
slouken@8582
  1343
        if (SDL_VideoInit(NULL) < 0) {
slouken@8582
  1344
            return NULL;
slouken@8582
  1345
        }
slouken@8582
  1346
    }
slouken@8582
  1347
icculus@10021
  1348
    if ( (((flags & SDL_WINDOW_UTILITY) != 0) + ((flags & SDL_WINDOW_TOOLTIP) != 0) + ((flags & SDL_WINDOW_POPUP_MENU) != 0)) > 1 ) {
icculus@10021
  1349
        SDL_SetError("Conflicting window flags specified");
icculus@10021
  1350
        return NULL;
icculus@10021
  1351
    }
icculus@10021
  1352
slouken@8582
  1353
    /* Some platforms can't create zero-sized windows */
slouken@8582
  1354
    if (w < 1) {
slouken@8582
  1355
        w = 1;
slouken@8582
  1356
    }
slouken@8582
  1357
    if (h < 1) {
slouken@8582
  1358
        h = 1;
slouken@8582
  1359
    }
slouken@8582
  1360
icculus@9461
  1361
    /* Some platforms blow up if the windows are too large. Raise it later? */
icculus@9461
  1362
    if ((w > 16384) || (h > 16384)) {
icculus@9461
  1363
        SDL_SetError("Window is too large.");
icculus@9461
  1364
        return NULL;
icculus@9461
  1365
    }
icculus@9461
  1366
slouken@8582
  1367
    /* Some platforms have OpenGL enabled by default */
gabomdq@8833
  1368
#if (SDL_VIDEO_OPENGL && __MACOSX__) || __IPHONEOS__ || __ANDROID__ || __NACL__
slouken@10491
  1369
    if (SDL_strcmp(_this->name, "dummy") != 0) {
slouken@10491
  1370
        flags |= SDL_WINDOW_OPENGL;
slouken@10491
  1371
    }
slouken@8582
  1372
#endif
slouken@8582
  1373
    if (flags & SDL_WINDOW_OPENGL) {
slouken@8582
  1374
        if (!_this->GL_CreateContext) {
slouken@8582
  1375
            SDL_SetError("No OpenGL support in video driver");
slouken@8582
  1376
            return NULL;
slouken@8582
  1377
        }
slouken@8582
  1378
        if (SDL_GL_LoadLibrary(NULL) < 0) {
slouken@8582
  1379
            return NULL;
slouken@8582
  1380
        }
slouken@8582
  1381
    }
slouken@8582
  1382
slouken@8582
  1383
    /* Unless the user has specified the high-DPI disabling hint, respect the
slouken@8582
  1384
     * SDL_WINDOW_ALLOW_HIGHDPI flag.
slouken@8582
  1385
     */
slouken@8582
  1386
    if (flags & SDL_WINDOW_ALLOW_HIGHDPI) {
slouken@10499
  1387
        if (SDL_GetHintBoolean(SDL_HINT_VIDEO_HIGHDPI_DISABLED, SDL_FALSE)) {
slouken@8582
  1388
            flags &= ~SDL_WINDOW_ALLOW_HIGHDPI;
slouken@8582
  1389
        }
slouken@8582
  1390
    }
slouken@8582
  1391
slouken@8582
  1392
    window = (SDL_Window *)SDL_calloc(1, sizeof(*window));
slouken@8582
  1393
    if (!window) {
slouken@8582
  1394
        SDL_OutOfMemory();
slouken@8582
  1395
        return NULL;
slouken@8582
  1396
    }
slouken@8582
  1397
    window->magic = &_this->window_magic;
slouken@8582
  1398
    window->id = _this->next_object_id++;
slouken@8582
  1399
    window->x = x;
slouken@8582
  1400
    window->y = y;
slouken@8582
  1401
    window->w = w;
slouken@8582
  1402
    window->h = h;
slouken@8582
  1403
    if (SDL_WINDOWPOS_ISUNDEFINED(x) || SDL_WINDOWPOS_ISUNDEFINED(y) ||
slouken@8582
  1404
        SDL_WINDOWPOS_ISCENTERED(x) || SDL_WINDOWPOS_ISCENTERED(y)) {
slouken@8582
  1405
        SDL_VideoDisplay *display = SDL_GetDisplayForWindow(window);
slouken@8582
  1406
        int displayIndex;
slouken@8582
  1407
        SDL_Rect bounds;
slouken@8582
  1408
slouken@8582
  1409
        displayIndex = SDL_GetIndexOfDisplay(display);
slouken@8582
  1410
        SDL_GetDisplayBounds(displayIndex, &bounds);
slouken@8582
  1411
        if (SDL_WINDOWPOS_ISUNDEFINED(x) || SDL_WINDOWPOS_ISCENTERED(x)) {
slouken@8582
  1412
            window->x = bounds.x + (bounds.w - w) / 2;
slouken@8582
  1413
        }
slouken@8582
  1414
        if (SDL_WINDOWPOS_ISUNDEFINED(y) || SDL_WINDOWPOS_ISCENTERED(y)) {
slouken@8582
  1415
            window->y = bounds.y + (bounds.h - h) / 2;
slouken@8582
  1416
        }
slouken@8582
  1417
    }
slouken@10056
  1418
    window->windowed.x = window->x;
slouken@10056
  1419
    window->windowed.y = window->y;
slouken@10056
  1420
    window->windowed.w = window->w;
slouken@10056
  1421
    window->windowed.h = window->h;
slouken@10056
  1422
slouken@10056
  1423
    if (flags & SDL_WINDOW_FULLSCREEN) {
slouken@10056
  1424
        SDL_VideoDisplay *display = SDL_GetDisplayForWindow(window);
slouken@10056
  1425
        int displayIndex;
slouken@10056
  1426
        SDL_Rect bounds;
slouken@10056
  1427
slouken@10056
  1428
        displayIndex = SDL_GetIndexOfDisplay(display);
slouken@10056
  1429
        SDL_GetDisplayBounds(displayIndex, &bounds);
slouken@10056
  1430
slouken@10056
  1431
        window->x = bounds.x;
slouken@10056
  1432
        window->y = bounds.y;
slouken@10056
  1433
        window->w = bounds.w;
slouken@10056
  1434
        window->h = bounds.h;
slouken@10056
  1435
    }
slouken@10056
  1436
slouken@8582
  1437
    window->flags = ((flags & CREATE_FLAGS) | SDL_WINDOW_HIDDEN);
jorgen@8110
  1438
    window->last_fullscreen_flags = window->flags;
icculus@10025
  1439
    window->opacity = 1.0f;
slouken@8582
  1440
    window->brightness = 1.0f;
slouken@8582
  1441
    window->next = _this->windows;
jorgen@8112
  1442
    window->is_destroying = SDL_FALSE;
slouken@8582
  1443
slouken@8582
  1444
    if (_this->windows) {
slouken@8582
  1445
        _this->windows->prev = window;
slouken@8582
  1446
    }
slouken@8582
  1447
    _this->windows = window;
slouken@8582
  1448
slouken@8582
  1449
    if (_this->CreateWindow && _this->CreateWindow(_this, window) < 0) {
slouken@8582
  1450
        SDL_DestroyWindow(window);
slouken@8582
  1451
        return NULL;
slouken@8582
  1452
    }
slouken@8582
  1453
dludwig@9931
  1454
#if __WINRT__ && (NTDDI_VERSION < NTDDI_WIN10)
dludwig@9924
  1455
    /* HACK: WinRT 8.x apps can't choose whether or not they are fullscreen
dludwig@9924
  1456
       or not.  The user can choose this, via OS-provided UI, but this can't
dludwig@9924
  1457
       be set programmatically.
dludwig@9924
  1458
dludwig@9924
  1459
       Just look at what SDL's WinRT video backend code detected with regards
dludwig@9924
  1460
       to fullscreen (being active, or not), and figure out a return/error code
dludwig@9924
  1461
       from that.
dludwig@9924
  1462
    */
dludwig@9924
  1463
    flags = window->flags;
dludwig@9924
  1464
#endif
dludwig@9924
  1465
slouken@8582
  1466
    if (title) {
slouken@8582
  1467
        SDL_SetWindowTitle(window, title);
slouken@8582
  1468
    }
slouken@8582
  1469
    SDL_FinishWindowCreation(window, flags);
slouken@8582
  1470
slouken@8582
  1471
    /* If the window was created fullscreen, make sure the mode code matches */
slouken@8582
  1472
    SDL_UpdateFullscreenMode(window, FULLSCREEN_VISIBLE(window));
slouken@8582
  1473
slouken@8582
  1474
    return window;
slouken@8582
  1475
}
slouken@8582
  1476
slouken@8582
  1477
SDL_Window *
slouken@8582
  1478
SDL_CreateWindowFrom(const void *data)
slouken@8582
  1479
{
slouken@8582
  1480
    SDL_Window *window;
slouken@8582
  1481
slouken@8582
  1482
    if (!_this) {
slouken@8582
  1483
        SDL_UninitializedVideo();
slouken@8582
  1484
        return NULL;
slouken@8582
  1485
    }
slouken@9163
  1486
    if (!_this->CreateWindowFrom) {
slouken@9163
  1487
        SDL_Unsupported();
slouken@9163
  1488
        return NULL;
slouken@9163
  1489
    }
slouken@8582
  1490
    window = (SDL_Window *)SDL_calloc(1, sizeof(*window));
slouken@8582
  1491
    if (!window) {
slouken@8582
  1492
        SDL_OutOfMemory();
slouken@8582
  1493
        return NULL;
slouken@8582
  1494
    }
slouken@8582
  1495
    window->magic = &_this->window_magic;
slouken@8582
  1496
    window->id = _this->next_object_id++;
slouken@8582
  1497
    window->flags = SDL_WINDOW_FOREIGN;
jorgen@8110
  1498
    window->last_fullscreen_flags = window->flags;
jorgen@8112
  1499
    window->is_destroying = SDL_FALSE;
icculus@10025
  1500
    window->opacity = 1.0f;
slouken@8582
  1501
    window->brightness = 1.0f;
slouken@8582
  1502
    window->next = _this->windows;
slouken@8582
  1503
    if (_this->windows) {
slouken@8582
  1504
        _this->windows->prev = window;
slouken@8582
  1505
    }
slouken@8582
  1506
    _this->windows = window;
slouken@8582
  1507
slouken@9163
  1508
    if (_this->CreateWindowFrom(_this, window, data) < 0) {
slouken@8582
  1509
        SDL_DestroyWindow(window);
slouken@8582
  1510
        return NULL;
slouken@8582
  1511
    }
slouken@8582
  1512
    return window;
slouken@8582
  1513
}
slouken@8582
  1514
slouken@8582
  1515
int
slouken@8582
  1516
SDL_RecreateWindow(SDL_Window * window, Uint32 flags)
slouken@8582
  1517
{
slouken@8906
  1518
    SDL_bool loaded_opengl = SDL_FALSE;
slouken@8582
  1519
slouken@8582
  1520
    if ((flags & SDL_WINDOW_OPENGL) && !_this->GL_CreateContext) {
slouken@8582
  1521
        return SDL_SetError("No OpenGL support in video driver");
slouken@8582
  1522
    }
slouken@8582
  1523
slouken@8582
  1524
    if (window->flags & SDL_WINDOW_FOREIGN) {
slouken@8582
  1525
        /* Can't destroy and re-create foreign windows, hrm */
slouken@8582
  1526
        flags |= SDL_WINDOW_FOREIGN;
slouken@8582
  1527
    } else {
slouken@8582
  1528
        flags &= ~SDL_WINDOW_FOREIGN;
slouken@8582
  1529
    }
slouken@8582
  1530
slouken@8582
  1531
    /* Restore video mode, etc. */
slouken@8582
  1532
    SDL_HideWindow(window);
slouken@8582
  1533
slouken@8582
  1534
    /* Tear down the old native window */
slouken@8582
  1535
    if (window->surface) {
slouken@8582
  1536
        window->surface->flags &= ~SDL_DONTFREE;
slouken@8582
  1537
        SDL_FreeSurface(window->surface);
philipp@9988
  1538
        window->surface = NULL;
slouken@8582
  1539
    }
slouken@8582
  1540
    if (_this->DestroyWindowFramebuffer) {
slouken@8582
  1541
        _this->DestroyWindowFramebuffer(_this, window);
slouken@8582
  1542
    }
slouken@8582
  1543
    if (_this->DestroyWindow && !(flags & SDL_WINDOW_FOREIGN)) {
slouken@8582
  1544
        _this->DestroyWindow(_this, window);
slouken@8582
  1545
    }
slouken@8582
  1546
slouken@8582
  1547
    if ((window->flags & SDL_WINDOW_OPENGL) != (flags & SDL_WINDOW_OPENGL)) {
slouken@8582
  1548
        if (flags & SDL_WINDOW_OPENGL) {
slouken@8582
  1549
            if (SDL_GL_LoadLibrary(NULL) < 0) {
slouken@8582
  1550
                return -1;
slouken@8582
  1551
            }
slouken@8906
  1552
            loaded_opengl = SDL_TRUE;
slouken@8582
  1553
        } else {
slouken@8582
  1554
            SDL_GL_UnloadLibrary();
slouken@8582
  1555
        }
slouken@8582
  1556
    }
slouken@8582
  1557
slouken@8582
  1558
    window->flags = ((flags & CREATE_FLAGS) | SDL_WINDOW_HIDDEN);
jorgen@8110
  1559
    window->last_fullscreen_flags = window->flags;
jorgen@8112
  1560
    window->is_destroying = SDL_FALSE;
slouken@8582
  1561
slouken@8582
  1562
    if (_this->CreateWindow && !(flags & SDL_WINDOW_FOREIGN)) {
slouken@8582
  1563
        if (_this->CreateWindow(_this, window) < 0) {
slouken@8906
  1564
            if (loaded_opengl) {
slouken@8582
  1565
                SDL_GL_UnloadLibrary();
slouken@8906
  1566
                window->flags &= ~SDL_WINDOW_OPENGL;
slouken@8582
  1567
            }
slouken@8582
  1568
            return -1;
slouken@8582
  1569
        }
slouken@8582
  1570
    }
slouken@9776
  1571
slouken@8708
  1572
    if (flags & SDL_WINDOW_FOREIGN) {
slouken@8708
  1573
        window->flags |= SDL_WINDOW_FOREIGN;
slouken@8708
  1574
    }
slouken@8582
  1575
slouken@9776
  1576
    if (_this->SetWindowTitle && window->title) {
slouken@9776
  1577
        _this->SetWindowTitle(_this, window);
slouken@8582
  1578
    }
slouken@9776
  1579
slouken@9776
  1580
    if (_this->SetWindowIcon && window->icon) {
slouken@9776
  1581
        _this->SetWindowIcon(_this, window, window->icon);
slouken@8582
  1582
    }
icculus@8931
  1583
icculus@8953
  1584
    if (window->hit_test) {
icculus@8935
  1585
        _this->SetWindowHitTest(window, SDL_TRUE);
icculus@8931
  1586
    }
icculus@8931
  1587
slouken@8582
  1588
    SDL_FinishWindowCreation(window, flags);
slouken@8582
  1589
slouken@8582
  1590
    return 0;
slouken@8582
  1591
}
slouken@8582
  1592
slouken@8582
  1593
Uint32
slouken@8582
  1594
SDL_GetWindowID(SDL_Window * window)
slouken@8582
  1595
{
slouken@8582
  1596
    CHECK_WINDOW_MAGIC(window, 0);
slouken@8582
  1597
slouken@8582
  1598
    return window->id;
slouken@8582
  1599
}
slouken@8582
  1600
slouken@8582
  1601
SDL_Window *
slouken@8582
  1602
SDL_GetWindowFromID(Uint32 id)
slouken@8582
  1603
{
slouken@8582
  1604
    SDL_Window *window;
slouken@8582
  1605
slouken@8582
  1606
    if (!_this) {
slouken@8582
  1607
        return NULL;
slouken@8582
  1608
    }
slouken@8582
  1609
    for (window = _this->windows; window; window = window->next) {
slouken@8582
  1610
        if (window->id == id) {
slouken@8582
  1611
            return window;
slouken@8582
  1612
        }
slouken@8582
  1613
    }
slouken@8582
  1614
    return NULL;
slouken@8582
  1615
}
slouken@8582
  1616
slouken@8582
  1617
Uint32
slouken@8582
  1618
SDL_GetWindowFlags(SDL_Window * window)
slouken@8582
  1619
{
slouken@8582
  1620
    CHECK_WINDOW_MAGIC(window, 0);
slouken@8582
  1621
slouken@8582
  1622
    return window->flags;
slouken@8582
  1623
}
slouken@8582
  1624
slouken@8582
  1625
void
slouken@8582
  1626
SDL_SetWindowTitle(SDL_Window * window, const char *title)
slouken@8582
  1627
{
slouken@8818
  1628
    CHECK_WINDOW_MAGIC(window,);
slouken@8582
  1629
slouken@8582
  1630
    if (title == window->title) {
slouken@8582
  1631
        return;
slouken@8582
  1632
    }
slouken@8582
  1633
    SDL_free(window->title);
icculus@9474
  1634
icculus@9474
  1635
    window->title = SDL_strdup(title ? title : "");
slouken@8582
  1636
slouken@8582
  1637
    if (_this->SetWindowTitle) {
slouken@8582
  1638
        _this->SetWindowTitle(_this, window);
slouken@8582
  1639
    }
slouken@8582
  1640
}
slouken@8582
  1641
slouken@8582
  1642
const char *
slouken@8582
  1643
SDL_GetWindowTitle(SDL_Window * window)
slouken@8582
  1644
{
slouken@8582
  1645
    CHECK_WINDOW_MAGIC(window, "");
slouken@8582
  1646
slouken@8582
  1647
    return window->title ? window->title : "";
slouken@8582
  1648
}
slouken@8582
  1649
slouken@8582
  1650
void
slouken@8582
  1651
SDL_SetWindowIcon(SDL_Window * window, SDL_Surface * icon)
slouken@8582
  1652
{
slouken@8818
  1653
    CHECK_WINDOW_MAGIC(window,);
slouken@8582
  1654
slouken@8582
  1655
    if (!icon) {
slouken@8582
  1656
        return;
slouken@8582
  1657
    }
slouken@8582
  1658
slouken@8582
  1659
    SDL_FreeSurface(window->icon);
slouken@8582
  1660
slouken@8582
  1661
    /* Convert the icon into ARGB8888 */
slouken@8582
  1662
    window->icon = SDL_ConvertSurfaceFormat(icon, SDL_PIXELFORMAT_ARGB8888, 0);
slouken@8582
  1663
    if (!window->icon) {
slouken@8582
  1664
        return;
slouken@8582
  1665
    }
slouken@8582
  1666
slouken@8582
  1667
    if (_this->SetWindowIcon) {
slouken@8582
  1668
        _this->SetWindowIcon(_this, window, window->icon);
slouken@8582
  1669
    }
slouken@8582
  1670
}
slouken@8582
  1671
slouken@8582
  1672
void*
slouken@8582
  1673
SDL_SetWindowData(SDL_Window * window, const char *name, void *userdata)
slouken@8582
  1674
{
slouken@8582
  1675
    SDL_WindowUserData *prev, *data;
slouken@8582
  1676
slouken@8582
  1677
    CHECK_WINDOW_MAGIC(window, NULL);
slouken@8582
  1678
slouken@8582
  1679
    /* Input validation */
slouken@8582
  1680
    if (name == NULL || name[0] == '\0') {
slouken@8582
  1681
      SDL_InvalidParamError("name");
slouken@8582
  1682
      return NULL;
slouken@8582
  1683
    }
slouken@8582
  1684
slouken@8582
  1685
    /* See if the named data already exists */
slouken@8582
  1686
    prev = NULL;
slouken@8582
  1687
    for (data = window->data; data; prev = data, data = data->next) {
slouken@8582
  1688
        if (data->name && SDL_strcmp(data->name, name) == 0) {
slouken@8582
  1689
            void *last_value = data->data;
slouken@8582
  1690
slouken@8582
  1691
            if (userdata) {
slouken@8582
  1692
                /* Set the new value */
slouken@8582
  1693
                data->data = userdata;
slouken@8582
  1694
            } else {
slouken@8582
  1695
                /* Delete this value */
slouken@8582
  1696
                if (prev) {
slouken@8582
  1697
                    prev->next = data->next;
slouken@8582
  1698
                } else {
slouken@8582
  1699
                    window->data = data->next;
slouken@8582
  1700
                }
slouken@8582
  1701
                SDL_free(data->name);
slouken@8582
  1702
                SDL_free(data);
slouken@8582
  1703
            }
slouken@8582
  1704
            return last_value;
slouken@8582
  1705
        }
slouken@8582
  1706
    }
slouken@8582
  1707
slouken@8582
  1708
    /* Add new data to the window */
slouken@8582
  1709
    if (userdata) {
slouken@8582
  1710
        data = (SDL_WindowUserData *)SDL_malloc(sizeof(*data));
slouken@8582
  1711
        data->name = SDL_strdup(name);
slouken@8582
  1712
        data->data = userdata;
slouken@8582
  1713
        data->next = window->data;
slouken@8582
  1714
        window->data = data;
slouken@8582
  1715
    }
slouken@8582
  1716
    return NULL;
slouken@8582
  1717
}
slouken@8582
  1718
slouken@8582
  1719
void *
slouken@8582
  1720
SDL_GetWindowData(SDL_Window * window, const char *name)
slouken@8582
  1721
{
slouken@8582
  1722
    SDL_WindowUserData *data;
slouken@8582
  1723
slouken@8582
  1724
    CHECK_WINDOW_MAGIC(window, NULL);
slouken@8582
  1725
slouken@8582
  1726
    /* Input validation */
slouken@8582
  1727
    if (name == NULL || name[0] == '\0') {
slouken@8582
  1728
      SDL_InvalidParamError("name");
slouken@8582
  1729
      return NULL;
slouken@8582
  1730
    }
slouken@8582
  1731
slouken@8582
  1732
    for (data = window->data; data; data = data->next) {
slouken@8582
  1733
        if (data->name && SDL_strcmp(data->name, name) == 0) {
slouken@8582
  1734
            return data->data;
slouken@8582
  1735
        }
slouken@8582
  1736
    }
slouken@8582
  1737
    return NULL;
slouken@8582
  1738
}
slouken@8582
  1739
slouken@8582
  1740
void
slouken@8582
  1741
SDL_SetWindowPosition(SDL_Window * window, int x, int y)
slouken@8582
  1742
{
slouken@8818
  1743
    CHECK_WINDOW_MAGIC(window,);
slouken@8582
  1744
slouken@8582
  1745
    if (SDL_WINDOWPOS_ISCENTERED(x) || SDL_WINDOWPOS_ISCENTERED(y)) {
urkle@9363
  1746
        int displayIndex = (x & 0xFFFF);
slouken@8582
  1747
        SDL_Rect bounds;
urkle@9363
  1748
        if (displayIndex > _this->num_displays) {
urkle@9363
  1749
            displayIndex = 0;
urkle@9363
  1750
        }
slouken@8582
  1751
icculus@8655
  1752
        SDL_zero(bounds);
icculus@8655
  1753
slouken@8582
  1754
        SDL_GetDisplayBounds(displayIndex, &bounds);
slouken@8582
  1755
        if (SDL_WINDOWPOS_ISCENTERED(x)) {
slouken@8582
  1756
            x = bounds.x + (bounds.w - window->w) / 2;
slouken@8582
  1757
        }
slouken@8582
  1758
        if (SDL_WINDOWPOS_ISCENTERED(y)) {
slouken@8582
  1759
            y = bounds.y + (bounds.h - window->h) / 2;
slouken@8582
  1760
        }
slouken@8582
  1761
    }
slouken@8582
  1762
slouken@8582
  1763
    if ((window->flags & SDL_WINDOW_FULLSCREEN)) {
slouken@8582
  1764
        if (!SDL_WINDOWPOS_ISUNDEFINED(x)) {
slouken@8582
  1765
            window->windowed.x = x;
slouken@8582
  1766
        }
slouken@8582
  1767
        if (!SDL_WINDOWPOS_ISUNDEFINED(y)) {
slouken@8582
  1768
            window->windowed.y = y;
slouken@8582
  1769
        }
slouken@8582
  1770
    } else {
slouken@8582
  1771
        if (!SDL_WINDOWPOS_ISUNDEFINED(x)) {
slouken@8582
  1772
            window->x = x;
slouken@8582
  1773
        }
slouken@8582
  1774
        if (!SDL_WINDOWPOS_ISUNDEFINED(y)) {
slouken@8582
  1775
            window->y = y;
slouken@8582
  1776
        }
slouken@8582
  1777
slouken@8582
  1778
        if (_this->SetWindowPosition) {
slouken@8582
  1779
            _this->SetWindowPosition(_this, window);
slouken@8582
  1780
        }
slouken@8582
  1781
        SDL_SendWindowEvent(window, SDL_WINDOWEVENT_MOVED, x, y);
slouken@8582
  1782
    }
slouken@8582
  1783
}
slouken@8582
  1784
slouken@8582
  1785
void
slouken@8582
  1786
SDL_GetWindowPosition(SDL_Window * window, int *x, int *y)
slouken@8582
  1787
{
slouken@8818
  1788
    CHECK_WINDOW_MAGIC(window,);
slouken@8582
  1789
slouken@8582
  1790
    /* Fullscreen windows are always at their display's origin */
slouken@8582
  1791
    if (window->flags & SDL_WINDOW_FULLSCREEN) {
alfred@9818
  1792
        int displayIndex;
alfred@9818
  1793
        
slouken@8582
  1794
        if (x) {
slouken@8582
  1795
            *x = 0;
slouken@8582
  1796
        }
slouken@8582
  1797
        if (y) {
slouken@8582
  1798
            *y = 0;
slouken@8582
  1799
        }
alfred@9818
  1800
alfred@9818
  1801
        /* Find the window's monitor and update to the
alfred@9818
  1802
           monitor offset. */
alfred@9818
  1803
        displayIndex = SDL_GetWindowDisplayIndex(window);
alfred@9818
  1804
        if (displayIndex >= 0) {
alfred@9818
  1805
            SDL_Rect bounds;
alfred@9818
  1806
alfred@9818
  1807
            SDL_zero(bounds);
alfred@9818
  1808
alfred@9818
  1809
            SDL_GetDisplayBounds(displayIndex, &bounds);
alfred@9818
  1810
            if (x) {
alfred@9818
  1811
                *x = bounds.x;
alfred@9818
  1812
            }
alfred@9818
  1813
            if (y) {
alfred@9818
  1814
                *y = bounds.y;
alfred@9818
  1815
            }
alfred@9818
  1816
        }
slouken@8582
  1817
    } else {
slouken@8582
  1818
        if (x) {
slouken@8582
  1819
            *x = window->x;
slouken@8582
  1820
        }
slouken@8582
  1821
        if (y) {
slouken@8582
  1822
            *y = window->y;
slouken@8582
  1823
        }
slouken@8582
  1824
    }
slouken@8582
  1825
}
slouken@8582
  1826
slouken@8582
  1827
void
slouken@8582
  1828
SDL_SetWindowBordered(SDL_Window * window, SDL_bool bordered)
slouken@8582
  1829
{
slouken@8818
  1830
    CHECK_WINDOW_MAGIC(window,);
slouken@8582
  1831
    if (!(window->flags & SDL_WINDOW_FULLSCREEN)) {
slouken@8582
  1832
        const int want = (bordered != SDL_FALSE);  /* normalize the flag. */
slouken@8582
  1833
        const int have = ((window->flags & SDL_WINDOW_BORDERLESS) == 0);
slouken@8582
  1834
        if ((want != have) && (_this->SetWindowBordered)) {
slouken@8582
  1835
            if (want) {
slouken@8582
  1836
                window->flags &= ~SDL_WINDOW_BORDERLESS;
slouken@8582
  1837
            } else {
slouken@8582
  1838
                window->flags |= SDL_WINDOW_BORDERLESS;
slouken@8582
  1839
            }
slouken@8582
  1840
            _this->SetWindowBordered(_this, window, (SDL_bool) want);
slouken@8582
  1841
        }
slouken@8582
  1842
    }
slouken@8582
  1843
}
slouken@8582
  1844
slouken@8582
  1845
void
icculus@10385
  1846
SDL_SetWindowResizable(SDL_Window * window, SDL_bool resizable)
icculus@10385
  1847
{
icculus@10385
  1848
    CHECK_WINDOW_MAGIC(window,);
icculus@10385
  1849
    if (!(window->flags & SDL_WINDOW_FULLSCREEN)) {
icculus@10385
  1850
        const int want = (resizable != SDL_FALSE);  /* normalize the flag. */
icculus@10385
  1851
        const int have = ((window->flags & SDL_WINDOW_RESIZABLE) != 0);
icculus@10385
  1852
        if ((want != have) && (_this->SetWindowResizable)) {
icculus@10385
  1853
            if (want) {
icculus@10385
  1854
                window->flags |= SDL_WINDOW_RESIZABLE;
icculus@10385
  1855
            } else {
icculus@10385
  1856
                window->flags &= ~SDL_WINDOW_RESIZABLE;
icculus@10385
  1857
            }
icculus@10385
  1858
            _this->SetWindowResizable(_this, window, (SDL_bool) want);
icculus@10385
  1859
        }
icculus@10385
  1860
    }
icculus@10385
  1861
}
icculus@10385
  1862
icculus@10385
  1863
void
slouken@8582
  1864
SDL_SetWindowSize(SDL_Window * window, int w, int h)
slouken@8582
  1865
{
slouken@8818
  1866
    CHECK_WINDOW_MAGIC(window,);
slouken@8582
  1867
    if (w <= 0) {
slouken@8582
  1868
        SDL_InvalidParamError("w");
slouken@8582
  1869
        return;
slouken@8582
  1870
    }
slouken@8582
  1871
    if (h <= 0) {
slouken@8582
  1872
        SDL_InvalidParamError("h");
slouken@8582
  1873
        return;
slouken@8582
  1874
    }
slouken@8582
  1875
slouken@8582
  1876
    /* Make sure we don't exceed any window size limits */
slouken@8582
  1877
    if (window->min_w && w < window->min_w)
slouken@8582
  1878
    {
slouken@8582
  1879
        w = window->min_w;
slouken@8582
  1880
    }
slouken@8582
  1881
    if (window->max_w && w > window->max_w)
slouken@8582
  1882
    {
slouken@8582
  1883
        w = window->max_w;
slouken@8582
  1884
    }
slouken@8582
  1885
    if (window->min_h && h < window->min_h)
slouken@8582
  1886
    {
slouken@8582
  1887
        h = window->min_h;
slouken@8582
  1888
    }
slouken@8582
  1889
    if (window->max_h && h > window->max_h)
slouken@8582
  1890
    {
slouken@8582
  1891
        h = window->max_h;
slouken@8582
  1892
    }
slouken@8582
  1893
slouken@8823
  1894
    window->windowed.w = w;
slouken@8823
  1895
    window->windowed.h = h;
slouken@8823
  1896
slouken@8582
  1897
    if (window->flags & SDL_WINDOW_FULLSCREEN) {
slouken@8818
  1898
        if (FULLSCREEN_VISIBLE(window) && (window->flags & SDL_WINDOW_FULLSCREEN_DESKTOP) != SDL_WINDOW_FULLSCREEN_DESKTOP) {
slouken@8823
  1899
            window->last_fullscreen_flags = 0;
slouken@8823
  1900
            SDL_UpdateFullscreenMode(window, SDL_TRUE);
slouken@8818
  1901
        }
slouken@8582
  1902
    } else {
slouken@8582
  1903
        window->w = w;
slouken@8582
  1904
        window->h = h;
slouken@8582
  1905
        if (_this->SetWindowSize) {
slouken@8582
  1906
            _this->SetWindowSize(_this, window);
slouken@8582
  1907
        }
slouken@8582
  1908
        if (window->w == w && window->h == h) {
slouken@8582
  1909
            /* We didn't get a SDL_WINDOWEVENT_RESIZED event (by design) */
slouken@8582
  1910
            SDL_OnWindowResized(window);
slouken@8582
  1911
        }
slouken@8582
  1912
    }
slouken@8582
  1913
}
slouken@8582
  1914
slouken@8582
  1915
void
slouken@8582
  1916
SDL_GetWindowSize(SDL_Window * window, int *w, int *h)
slouken@8582
  1917
{
slouken@8818
  1918
    CHECK_WINDOW_MAGIC(window,);
slouken@8582
  1919
    if (w) {
slouken@8582
  1920
        *w = window->w;
slouken@8582
  1921
    }
slouken@8582
  1922
    if (h) {
slouken@8582
  1923
        *h = window->h;
slouken@8582
  1924
    }
slouken@8582
  1925
}
slouken@8582
  1926
slouken@8582
  1927
void
slouken@8582
  1928
SDL_SetWindowMinimumSize(SDL_Window * window, int min_w, int min_h)
slouken@8582
  1929
{
slouken@8818
  1930
    CHECK_WINDOW_MAGIC(window,);
slouken@8582
  1931
    if (min_w <= 0) {
slouken@8582
  1932
        SDL_InvalidParamError("min_w");
slouken@8582
  1933
        return;
slouken@8582
  1934
    }
slouken@8582
  1935
    if (min_h <= 0) {
slouken@8582
  1936
        SDL_InvalidParamError("min_h");
slouken@8582
  1937
        return;
slouken@8582
  1938
    }
slouken@8582
  1939
slouken@8582
  1940
    if (!(window->flags & SDL_WINDOW_FULLSCREEN)) {
slouken@8582
  1941
        window->min_w = min_w;
slouken@8582
  1942
        window->min_h = min_h;
slouken@8582
  1943
        if (_this->SetWindowMinimumSize) {
slouken@8582
  1944
            _this->SetWindowMinimumSize(_this, window);
slouken@8582
  1945
        }
slouken@8582
  1946
        /* Ensure that window is not smaller than minimal size */
slouken@8582
  1947
        SDL_SetWindowSize(window, SDL_max(window->w, window->min_w), SDL_max(window->h, window->min_h));
slouken@8582
  1948
    }
slouken@8582
  1949
}
slouken@8582
  1950
icculus@10024
  1951
int
icculus@10024
  1952
SDL_GetWindowBordersSize(SDL_Window * window, int *top, int *left, int *bottom, int *right)
icculus@10024
  1953
{
icculus@10024
  1954
    int dummy = 0;
icculus@10024
  1955
icculus@10024
  1956
    if (!top) { top = &dummy; }
icculus@10024
  1957
    if (!left) { left = &dummy; }
icculus@10024
  1958
    if (!right) { right = &dummy; }
icculus@10024
  1959
    if (!bottom) { bottom = &dummy; }
icculus@10024
  1960
icculus@10024
  1961
    /* Always initialize, so applications don't have to care */
icculus@10024
  1962
    *top = *left = *bottom = *right = 0;
icculus@10024
  1963
icculus@10024
  1964
    CHECK_WINDOW_MAGIC(window, -1);
icculus@10024
  1965
icculus@10024
  1966
    if (!_this->GetWindowBordersSize) {
icculus@10024
  1967
        return SDL_Unsupported();
icculus@10024
  1968
    }
icculus@10024
  1969
icculus@10024
  1970
    return _this->GetWindowBordersSize(_this, window, top, left, bottom, right);
icculus@10024
  1971
}
icculus@10024
  1972
slouken@8582
  1973
void
slouken@8582
  1974
SDL_GetWindowMinimumSize(SDL_Window * window, int *min_w, int *min_h)
slouken@8582
  1975
{
slouken@8818
  1976
    CHECK_WINDOW_MAGIC(window,);
slouken@8582
  1977
    if (min_w) {
slouken@8582
  1978
        *min_w = window->min_w;
slouken@8582
  1979
    }
slouken@8582
  1980
    if (min_h) {
slouken@8582
  1981
        *min_h = window->min_h;
slouken@8582
  1982
    }
slouken@8582
  1983
}
slouken@8582
  1984
slouken@8582
  1985
void
slouken@8582
  1986
SDL_SetWindowMaximumSize(SDL_Window * window, int max_w, int max_h)
slouken@8582
  1987
{
slouken@8818
  1988
    CHECK_WINDOW_MAGIC(window,);
slouken@8582
  1989
    if (max_w <= 0) {
slouken@8582
  1990
        SDL_InvalidParamError("max_w");
slouken@8582
  1991
        return;
slouken@8582
  1992
    }
slouken@8582
  1993
    if (max_h <= 0) {
slouken@8582
  1994
        SDL_InvalidParamError("max_h");
slouken@8582
  1995
        return;
slouken@8582
  1996
    }
slouken@8582
  1997
slouken@8582
  1998
    if (!(window->flags & SDL_WINDOW_FULLSCREEN)) {
slouken@8582
  1999
        window->max_w = max_w;
slouken@8582
  2000
        window->max_h = max_h;
slouken@8582
  2001
        if (_this->SetWindowMaximumSize) {
slouken@8582
  2002
            _this->SetWindowMaximumSize(_this, window);
slouken@8582
  2003
        }
slouken@8582
  2004
        /* Ensure that window is not larger than maximal size */
slouken@8582
  2005
        SDL_SetWindowSize(window, SDL_min(window->w, window->max_w), SDL_min(window->h, window->max_h));
slouken@8582
  2006
    }
slouken@8582
  2007
}
slouken@8582
  2008
slouken@8582
  2009
void
slouken@8582
  2010
SDL_GetWindowMaximumSize(SDL_Window * window, int *max_w, int *max_h)
slouken@8582
  2011
{
slouken@8818
  2012
    CHECK_WINDOW_MAGIC(window,);
slouken@8582
  2013
    if (max_w) {
slouken@8582
  2014
        *max_w = window->max_w;
slouken@8582
  2015
    }
slouken@8582
  2016
    if (max_h) {
slouken@8582
  2017
        *max_h = window->max_h;
slouken@8582
  2018
    }
slouken@8582
  2019
}
slouken@8582
  2020
slouken@8582
  2021
void
slouken@8582
  2022
SDL_ShowWindow(SDL_Window * window)
slouken@8582
  2023
{
slouken@8818
  2024
    CHECK_WINDOW_MAGIC(window,);
slouken@8582
  2025
slouken@8582
  2026
    if (window->flags & SDL_WINDOW_SHOWN) {
slouken@8582
  2027
        return;
slouken@8582
  2028
    }
slouken@8582
  2029
slouken@8582
  2030
    if (_this->ShowWindow) {
slouken@8582
  2031
        _this->ShowWindow(_this, window);
slouken@8582
  2032
    }
slouken@8582
  2033
    SDL_SendWindowEvent(window, SDL_WINDOWEVENT_SHOWN, 0, 0);
slouken@8582
  2034
}
slouken@8582
  2035
slouken@8582
  2036
void
slouken@8582
  2037
SDL_HideWindow(SDL_Window * window)
slouken@8582
  2038
{
slouken@8818
  2039
    CHECK_WINDOW_MAGIC(window,);
slouken@8582
  2040
slouken@8582
  2041
    if (!(window->flags & SDL_WINDOW_SHOWN)) {
slouken@8582
  2042
        return;
slouken@8582
  2043
    }
slouken@8582
  2044
alfred@9037
  2045
	window->is_hiding = SDL_TRUE;
slouken@8582
  2046
    SDL_UpdateFullscreenMode(window, SDL_FALSE);
slouken@8582
  2047
slouken@8582
  2048
    if (_this->HideWindow) {
slouken@8582
  2049
        _this->HideWindow(_this, window);
slouken@8582
  2050
    }
alfred@9037
  2051
	window->is_hiding = SDL_FALSE;
slouken@8582
  2052
    SDL_SendWindowEvent(window, SDL_WINDOWEVENT_HIDDEN, 0, 0);
slouken@8582
  2053
}
slouken@8582
  2054
slouken@8582
  2055
void
slouken@8582
  2056
SDL_RaiseWindow(SDL_Window * window)
slouken@8582
  2057
{
slouken@8818
  2058
    CHECK_WINDOW_MAGIC(window,);
slouken@8582
  2059
slouken@8582
  2060
    if (!(window->flags & SDL_WINDOW_SHOWN)) {
slouken@8582
  2061
        return;
slouken@8582
  2062
    }
slouken@8582
  2063
    if (_this->RaiseWindow) {
slouken@8582
  2064
        _this->RaiseWindow(_this, window);
slouken@8582
  2065
    }
slouken@8582
  2066
}
slouken@8582
  2067
slouken@8582
  2068
void
slouken@8582
  2069
SDL_MaximizeWindow(SDL_Window * window)
slouken@8582
  2070
{
slouken@8818
  2071
    CHECK_WINDOW_MAGIC(window,);
slouken@8582
  2072
slouken@8582
  2073
    if (window->flags & SDL_WINDOW_MAXIMIZED) {
slouken@8582
  2074
        return;
slouken@8582
  2075
    }
slouken@8582
  2076
slouken@8582
  2077
    /* !!! FIXME: should this check if the window is resizable? */
slouken@8582
  2078
slouken@8582
  2079
    if (_this->MaximizeWindow) {
slouken@8582
  2080
        _this->MaximizeWindow(_this, window);
slouken@8582
  2081
    }
slouken@8582
  2082
}
slouken@8582
  2083
slouken@8582
  2084
void
slouken@8582
  2085
SDL_MinimizeWindow(SDL_Window * window)
slouken@8582
  2086
{
slouken@8818
  2087
    CHECK_WINDOW_MAGIC(window,);
slouken@8582
  2088
slouken@8582
  2089
    if (window->flags & SDL_WINDOW_MINIMIZED) {
slouken@8582
  2090
        return;
slouken@8582
  2091
    }
slouken@8582
  2092
slouken@8582
  2093
    SDL_UpdateFullscreenMode(window, SDL_FALSE);
slouken@8582
  2094
slouken@8582
  2095
    if (_this->MinimizeWindow) {
slouken@8582
  2096
        _this->MinimizeWindow(_this, window);
slouken@8582
  2097
    }
slouken@8582
  2098
}
slouken@8582
  2099
slouken@8582
  2100
void
slouken@8582
  2101
SDL_RestoreWindow(SDL_Window * window)
slouken@8582
  2102
{
slouken@8818
  2103
    CHECK_WINDOW_MAGIC(window,);
slouken@8582
  2104
slouken@8582
  2105
    if (!(window->flags & (SDL_WINDOW_MAXIMIZED | SDL_WINDOW_MINIMIZED))) {
slouken@8582
  2106
        return;
slouken@8582
  2107
    }
slouken@8582
  2108
slouken@8582
  2109
    if (_this->RestoreWindow) {
slouken@8582
  2110
        _this->RestoreWindow(_this, window);
slouken@8582
  2111
    }
slouken@8582
  2112
}
slouken@8582
  2113
slouken@8582
  2114
int
slouken@8582
  2115
SDL_SetWindowFullscreen(SDL_Window * window, Uint32 flags)
slouken@8582
  2116
{
slouken@9905
  2117
    Uint32 oldflags;
slouken@8582
  2118
    CHECK_WINDOW_MAGIC(window, -1);
slouken@8582
  2119
slouken@8582
  2120
    flags &= FULLSCREEN_MASK;
slouken@8582
  2121
slouken@8818
  2122
    if (flags == (window->flags & FULLSCREEN_MASK)) {
slouken@8582
  2123
        return 0;
slouken@8582
  2124
    }
slouken@8582
  2125
slouken@8582
  2126
    /* clear the previous flags and OR in the new ones */
slouken@9905
  2127
    oldflags = window->flags & FULLSCREEN_MASK;
slouken@8582
  2128
    window->flags &= ~FULLSCREEN_MASK;
slouken@8582
  2129
    window->flags |= flags;
slouken@8582
  2130
slouken@9905
  2131
    if (SDL_UpdateFullscreenMode(window, FULLSCREEN_VISIBLE(window)) == 0) {
slouken@9905
  2132
        return 0;
slouken@9905
  2133
    }
slouken@9905
  2134
    
slouken@9905
  2135
    window->flags &= ~FULLSCREEN_MASK;
slouken@9905
  2136
    window->flags |= oldflags;
slouken@9905
  2137
    return -1;
slouken@8582
  2138
}
slouken@8582
  2139
slouken@8582
  2140
static SDL_Surface *
slouken@8582
  2141
SDL_CreateWindowFramebuffer(SDL_Window * window)
slouken@8582
  2142
{
slouken@8582
  2143
    Uint32 format;
slouken@8582
  2144
    void *pixels;
slouken@8582
  2145
    int pitch;
slouken@8582
  2146
    int bpp;
slouken@8582
  2147
    Uint32 Rmask, Gmask, Bmask, Amask;
slouken@8582
  2148
slouken@8582
  2149
    if (!_this->CreateWindowFramebuffer || !_this->UpdateWindowFramebuffer) {
slouken@8582
  2150
        return NULL;
slouken@8582
  2151
    }
slouken@8582
  2152
slouken@8582
  2153
    if (_this->CreateWindowFramebuffer(_this, window, &format, &pixels, &pitch) < 0) {
slouken@8582
  2154
        return NULL;
slouken@8582
  2155
    }
slouken@8582
  2156
slouken@8582
  2157
    if (!SDL_PixelFormatEnumToMasks(format, &bpp, &Rmask, &Gmask, &Bmask, &Amask)) {
slouken@8582
  2158
        return NULL;
slouken@8582
  2159
    }
slouken@8582
  2160
slouken@8582
  2161
    return SDL_CreateRGBSurfaceFrom(pixels, window->w, window->h, bpp, pitch, Rmask, Gmask, Bmask, Amask);
slouken@8582
  2162
}
slouken@8582
  2163
slouken@8582
  2164
SDL_Surface *
slouken@8582
  2165
SDL_GetWindowSurface(SDL_Window * window)
slouken@8582
  2166
{
slouken@8582
  2167
    CHECK_WINDOW_MAGIC(window, NULL);
slouken@8582
  2168
slouken@8582
  2169
    if (!window->surface_valid) {
slouken@8582
  2170
        if (window->surface) {
slouken@8582
  2171
            window->surface->flags &= ~SDL_DONTFREE;
slouken@8582
  2172
            SDL_FreeSurface(window->surface);
slouken@8582
  2173
        }
slouken@8582
  2174
        window->surface = SDL_CreateWindowFramebuffer(window);
slouken@8582
  2175
        if (window->surface) {
slouken@8582
  2176
            window->surface_valid = SDL_TRUE;
slouken@8582
  2177
            window->surface->flags |= SDL_DONTFREE;
slouken@8582
  2178
        }
slouken@8582
  2179
    }
slouken@8582
  2180
    return window->surface;
slouken@8582
  2181
}
slouken@8582
  2182
slouken@8582
  2183
int
slouken@8582
  2184
SDL_UpdateWindowSurface(SDL_Window * window)
slouken@8582
  2185
{
slouken@8582
  2186
    SDL_Rect full_rect;
slouken@8582
  2187
slouken@8582
  2188
    CHECK_WINDOW_MAGIC(window, -1);
slouken@8582
  2189
slouken@8582
  2190
    full_rect.x = 0;
slouken@8582
  2191
    full_rect.y = 0;
slouken@8582
  2192
    full_rect.w = window->w;
slouken@8582
  2193
    full_rect.h = window->h;
slouken@8582
  2194
    return SDL_UpdateWindowSurfaceRects(window, &full_rect, 1);
slouken@8582
  2195
}
slouken@8582
  2196
slouken@8582
  2197
int
slouken@8582
  2198
SDL_UpdateWindowSurfaceRects(SDL_Window * window, const SDL_Rect * rects,
slouken@8582
  2199
                             int numrects)
slouken@8582
  2200
{
slouken@8582
  2201
    CHECK_WINDOW_MAGIC(window, -1);
slouken@8582
  2202
slouken@8582
  2203
    if (!window->surface_valid) {
slouken@8582
  2204
        return SDL_SetError("Window surface is invalid, please call SDL_GetWindowSurface() to get a new surface");
slouken@8582
  2205
    }
slouken@8582
  2206
slouken@8582
  2207
    return _this->UpdateWindowFramebuffer(_this, window, rects, numrects);
slouken@8582
  2208
}
slouken@8582
  2209
slouken@8582
  2210
int
slouken@8582
  2211
SDL_SetWindowBrightness(SDL_Window * window, float brightness)
slouken@8582
  2212
{
slouken@8582
  2213
    Uint16 ramp[256];
slouken@8582
  2214
    int status;
slouken@8582
  2215
slouken@8582
  2216
    CHECK_WINDOW_MAGIC(window, -1);
slouken@8582
  2217
slouken@8582
  2218
    SDL_CalculateGammaRamp(brightness, ramp);
slouken@8582
  2219
    status = SDL_SetWindowGammaRamp(window, ramp, ramp, ramp);
slouken@8582
  2220
    if (status == 0) {
slouken@8582
  2221
        window->brightness = brightness;
slouken@8582
  2222
    }
slouken@8582
  2223
    return status;
slouken@8582
  2224
}
slouken@8582
  2225
slouken@8582
  2226
float
slouken@8582
  2227
SDL_GetWindowBrightness(SDL_Window * window)
slouken@8582
  2228
{
slouken@8582
  2229
    CHECK_WINDOW_MAGIC(window, 1.0f);
slouken@8582
  2230
slouken@8582
  2231
    return window->brightness;
slouken@8582
  2232
}
slouken@8582
  2233
slouken@8582
  2234
int
icculus@10025
  2235
SDL_SetWindowOpacity(SDL_Window * window, float opacity)
icculus@10025
  2236
{
icculus@10025
  2237
    int retval;
icculus@10025
  2238
    CHECK_WINDOW_MAGIC(window, -1);
icculus@10025
  2239
icculus@10025
  2240
    if (!_this->SetWindowOpacity) {
icculus@10025
  2241
        return SDL_Unsupported();
icculus@10025
  2242
    }
icculus@10025
  2243
icculus@10025
  2244
    if (opacity < 0.0f) {
icculus@10025
  2245
        opacity = 0.0f;
icculus@10025
  2246
    } else if (opacity > 1.0f) {
icculus@10025
  2247
        opacity = 1.0f;
icculus@10025
  2248
    }
icculus@10025
  2249
icculus@10025
  2250
    retval = _this->SetWindowOpacity(_this, window, opacity);
icculus@10025
  2251
    if (retval == 0) {
icculus@10025
  2252
        window->opacity = opacity;
icculus@10025
  2253
    }
icculus@10025
  2254
icculus@10025
  2255
    return retval;
icculus@10025
  2256
}
icculus@10025
  2257
icculus@10025
  2258
int
icculus@10025
  2259
SDL_GetWindowOpacity(SDL_Window * window, float * out_opacity)
icculus@10025
  2260
{
icculus@10025
  2261
    CHECK_WINDOW_MAGIC(window, -1);
icculus@10025
  2262
icculus@10025
  2263
    if (out_opacity) {
icculus@10025
  2264
        *out_opacity = window->opacity;
icculus@10025
  2265
    }
icculus@10025
  2266
icculus@10025
  2267
    return 0;
icculus@10025
  2268
}
icculus@10025
  2269
icculus@10027
  2270
int
icculus@10027
  2271
SDL_SetWindowModalFor(SDL_Window * modal_window, SDL_Window * parent_window)
icculus@10027
  2272
{
icculus@10027
  2273
    CHECK_WINDOW_MAGIC(modal_window, -1);
icculus@10027
  2274
    CHECK_WINDOW_MAGIC(parent_window, -1);
icculus@10027
  2275
icculus@10027
  2276
    if (!_this->SetWindowModalFor) {
icculus@10027
  2277
        return SDL_Unsupported();
icculus@10027
  2278
    }
icculus@10027
  2279
    
icculus@10027
  2280
    return _this->SetWindowModalFor(_this, modal_window, parent_window);
icculus@10027
  2281
}
icculus@10027
  2282
icculus@10026
  2283
int 
icculus@10026
  2284
SDL_SetWindowInputFocus(SDL_Window * window)
icculus@10026
  2285
{
icculus@10026
  2286
    CHECK_WINDOW_MAGIC(window, -1);
icculus@10026
  2287
icculus@10026
  2288
    if (!_this->SetWindowInputFocus) {
icculus@10026
  2289
        return SDL_Unsupported();
icculus@10026
  2290
    }
icculus@10026
  2291
    
icculus@10026
  2292
    return _this->SetWindowInputFocus(_this, window);
icculus@10026
  2293
}
icculus@10026
  2294
icculus@10026
  2295
icculus@10025
  2296
int
slouken@8582
  2297
SDL_SetWindowGammaRamp(SDL_Window * window, const Uint16 * red,
slouken@8582
  2298
                                            const Uint16 * green,
slouken@8582
  2299
                                            const Uint16 * blue)
slouken@8582
  2300
{
slouken@8582
  2301
    CHECK_WINDOW_MAGIC(window, -1);
slouken@8582
  2302
slouken@8582
  2303
    if (!_this->SetWindowGammaRamp) {
slouken@8582
  2304
        return SDL_Unsupported();
slouken@8582
  2305
    }
slouken@8582
  2306
slouken@8582
  2307
    if (!window->gamma) {
slouken@8582
  2308
        if (SDL_GetWindowGammaRamp(window, NULL, NULL, NULL) < 0) {
slouken@8582
  2309
            return -1;
slouken@8582
  2310
        }
icculus@9546
  2311
        SDL_assert(window->gamma != NULL);
slouken@8582
  2312
    }
slouken@8582
  2313
slouken@8582
  2314
    if (red) {
slouken@8582
  2315
        SDL_memcpy(&window->gamma[0*256], red, 256*sizeof(Uint16));
slouken@8582
  2316
    }
slouken@8582
  2317
    if (green) {
slouken@8582
  2318
        SDL_memcpy(&window->gamma[1*256], green, 256*sizeof(Uint16));
slouken@8582
  2319
    }
slouken@8582
  2320
    if (blue) {
slouken@8582
  2321
        SDL_memcpy(&window->gamma[2*256], blue, 256*sizeof(Uint16));
slouken@8582
  2322
    }
slouken@8582
  2323
    if (window->flags & SDL_WINDOW_INPUT_FOCUS) {
slouken@8582
  2324
        return _this->SetWindowGammaRamp(_this, window, window->gamma);
slouken@8582
  2325
    } else {
slouken@8582
  2326
        return 0;
slouken@8582
  2327
    }
slouken@8582
  2328
}
slouken@8582
  2329
slouken@8582
  2330
int
slouken@8582
  2331
SDL_GetWindowGammaRamp(SDL_Window * window, Uint16 * red,
slouken@8582
  2332
                                            Uint16 * green,
slouken@8582
  2333
                                            Uint16 * blue)
slouken@8582
  2334
{
slouken@8582
  2335
    CHECK_WINDOW_MAGIC(window, -1);
slouken@8582
  2336
slouken@8582
  2337
    if (!window->gamma) {
slouken@8582
  2338
        int i;
slouken@8582
  2339
slouken@8582
  2340
        window->gamma = (Uint16 *)SDL_malloc(256*6*sizeof(Uint16));
slouken@8582
  2341
        if (!window->gamma) {
slouken@8582
  2342
            return SDL_OutOfMemory();
slouken@8582
  2343
        }
slouken@8582
  2344
        window->saved_gamma = window->gamma + 3*256;
slouken@8582
  2345
slouken@8582
  2346
        if (_this->GetWindowGammaRamp) {
slouken@8582
  2347
            if (_this->GetWindowGammaRamp(_this, window, window->gamma) < 0) {
slouken@8582
  2348
                return -1;
slouken@8582
  2349
            }
slouken@8582
  2350
        } else {
slouken@8582
  2351
            /* Create an identity gamma ramp */
slouken@8582
  2352
            for (i = 0; i < 256; ++i) {
slouken@8582
  2353
                Uint16 value = (Uint16)((i << 8) | i);
slouken@8582
  2354
slouken@8582
  2355
                window->gamma[0*256+i] = value;
slouken@8582
  2356
                window->gamma[1*256+i] = value;
slouken@8582
  2357
                window->gamma[2*256+i] = value;
slouken@8582
  2358
            }
slouken@8582
  2359
        }
slouken@8582
  2360
        SDL_memcpy(window->saved_gamma, window->gamma, 3*256*sizeof(Uint16));
slouken@8582
  2361
    }
slouken@8582
  2362
slouken@8582
  2363
    if (red) {
slouken@8582
  2364
        SDL_memcpy(red, &window->gamma[0*256], 256*sizeof(Uint16));
slouken@8582
  2365
    }
slouken@8582
  2366
    if (green) {
slouken@8582
  2367
        SDL_memcpy(green, &window->gamma[1*256], 256*sizeof(Uint16));
slouken@8582
  2368
    }
slouken@8582
  2369
    if (blue) {
slouken@8582
  2370
        SDL_memcpy(blue, &window->gamma[2*256], 256*sizeof(Uint16));
slouken@8582
  2371
    }
slouken@8582
  2372
    return 0;
slouken@8582
  2373
}
slouken@8582
  2374
slouken@8582
  2375
void
slouken@8582
  2376
SDL_UpdateWindowGrab(SDL_Window * window)
slouken@8582
  2377
{
slouken@9745
  2378
    SDL_Window *grabbed_window;
slouken@9745
  2379
    SDL_bool grabbed;
slouken@9745
  2380
    if ((SDL_GetMouse()->relative_mode || (window->flags & SDL_WINDOW_INPUT_GRABBED)) &&
slouken@9745
  2381
         (window->flags & SDL_WINDOW_INPUT_FOCUS)) {
slouken@9745
  2382
        grabbed = SDL_TRUE;
slouken@9745
  2383
    } else {
slouken@9745
  2384
        grabbed = SDL_FALSE;
slouken@9745
  2385
    }
slouken@9745
  2386
slouken@9745
  2387
    grabbed_window = _this->grabbed_window;
slouken@9745
  2388
    if (grabbed) {
slouken@9745
  2389
        if (grabbed_window && (grabbed_window != window)) {
slouken@9745
  2390
            /* stealing a grab from another window! */
slouken@9745
  2391
            grabbed_window->flags &= ~SDL_WINDOW_INPUT_GRABBED;
slouken@9745
  2392
            if (_this->SetWindowGrab) {
icculus@9447
  2393
                _this->SetWindowGrab(_this, grabbed_window, SDL_FALSE);
icculus@9447
  2394
            }
icculus@9447
  2395
        }
slouken@9745
  2396
        _this->grabbed_window = window;
slouken@9745
  2397
    } else if (grabbed_window == window) {
slouken@9745
  2398
        _this->grabbed_window = NULL;  /* ungrabbing. */
slouken@9745
  2399
    }
slouken@9745
  2400
slouken@9745
  2401
    if (_this->SetWindowGrab) {
slouken@8582
  2402
        _this->SetWindowGrab(_this, window, grabbed);
slouken@8582
  2403
    }
slouken@8582
  2404
}
slouken@8582
  2405
slouken@8582
  2406
void
slouken@8582
  2407
SDL_SetWindowGrab(SDL_Window * window, SDL_bool grabbed)
slouken@8582
  2408
{
slouken@8818
  2409
    CHECK_WINDOW_MAGIC(window,);
slouken@8582
  2410
slouken@8582
  2411
    if (!!grabbed == !!(window->flags & SDL_WINDOW_INPUT_GRABBED)) {
slouken@8582
  2412
        return;
slouken@8582
  2413
    }
slouken@8582
  2414
    if (grabbed) {
slouken@8582
  2415
        window->flags |= SDL_WINDOW_INPUT_GRABBED;
slouken@8582
  2416
    } else {
slouken@8582
  2417
        window->flags &= ~SDL_WINDOW_INPUT_GRABBED;
slouken@8582
  2418
    }
slouken@8582
  2419
    SDL_UpdateWindowGrab(window);
slouken@8582
  2420
}
slouken@8582
  2421
slouken@8582
  2422
SDL_bool
slouken@8582
  2423
SDL_GetWindowGrab(SDL_Window * window)
slouken@8582
  2424
{
slouken@8582
  2425
    CHECK_WINDOW_MAGIC(window, SDL_FALSE);
icculus@9447
  2426
    SDL_assert(!_this->grabbed_window || ((_this->grabbed_window->flags & SDL_WINDOW_INPUT_GRABBED) != 0));
icculus@9447
  2427
    return window == _this->grabbed_window;
icculus@9447
  2428
}
icculus@9447
  2429
icculus@9447
  2430
SDL_Window *
icculus@9447
  2431
SDL_GetGrabbedWindow(void)
icculus@9447
  2432
{
icculus@9447
  2433
    SDL_assert(!_this->grabbed_window || ((_this->grabbed_window->flags & SDL_WINDOW_INPUT_GRABBED) != 0));
icculus@9447
  2434
    return _this->grabbed_window;
slouken@8582
  2435
}
slouken@8582
  2436
slouken@8582
  2437
void
slouken@8582
  2438
SDL_OnWindowShown(SDL_Window * window)
slouken@8582
  2439
{
slouken@8582
  2440
    SDL_OnWindowRestored(window);
slouken@8582
  2441
}
slouken@8582
  2442
slouken@8582
  2443
void
slouken@8582
  2444
SDL_OnWindowHidden(SDL_Window * window)
slouken@8582
  2445
{
slouken@8582
  2446
    SDL_UpdateFullscreenMode(window, SDL_FALSE);
slouken@8582
  2447
}
slouken@8582
  2448
slouken@8582
  2449
void
slouken@8582
  2450
SDL_OnWindowResized(SDL_Window * window)
slouken@8582
  2451
{
slouken@8582
  2452
    window->surface_valid = SDL_FALSE;
slouken@8582
  2453
    SDL_SendWindowEvent(window, SDL_WINDOWEVENT_SIZE_CHANGED, window->w, window->h);
slouken@8582
  2454
}
slouken@8582
  2455
slouken@8582
  2456
void
slouken@8582
  2457
SDL_OnWindowMinimized(SDL_Window * window)
slouken@8582
  2458
{
slouken@8582
  2459
    SDL_UpdateFullscreenMode(window, SDL_FALSE);
slouken@8582
  2460
}
slouken@8582
  2461
slouken@8582
  2462
void
slouken@8582
  2463
SDL_OnWindowRestored(SDL_Window * window)
slouken@8582
  2464
{
pgriffais@8683
  2465
    /*
pgriffais@8683
  2466
     * FIXME: Is this fine to just remove this, or should it be preserved just
pgriffais@8683
  2467
     * for the fullscreen case? In principle it seems like just hiding/showing
pgriffais@8683
  2468
     * windows shouldn't affect the stacking order; maybe the right fix is to
pgriffais@8683
  2469
     * re-decouple OnWindowShown and OnWindowRestored.
pgriffais@8683
  2470
     */
icculus@8684
  2471
    /*SDL_RaiseWindow(window);*/
slouken@8582
  2472
slouken@8582
  2473
    if (FULLSCREEN_VISIBLE(window)) {
slouken@8582
  2474
        SDL_UpdateFullscreenMode(window, SDL_TRUE);
slouken@8582
  2475
    }
slouken@8582
  2476
}
slouken@8582
  2477
slouken@8582
  2478
void
slouken@8582
  2479
SDL_OnWindowEnter(SDL_Window * window)
slouken@8582
  2480
{
slouken@8582
  2481
    if (_this->OnWindowEnter) {
slouken@8582
  2482
        _this->OnWindowEnter(_this, window);
slouken@8582
  2483
    }
slouken@8582
  2484
}
slouken@8582
  2485
slouken@8582
  2486
void
slouken@8582
  2487
SDL_OnWindowLeave(SDL_Window * window)
slouken@8582
  2488
{
slouken@8582
  2489
}
slouken@8582
  2490
slouken@8582
  2491
void
slouken@8582
  2492
SDL_OnWindowFocusGained(SDL_Window * window)
slouken@8582
  2493
{
slouken@8582
  2494
    SDL_Mouse *mouse = SDL_GetMouse();
slouken@8582
  2495
slouken@8582
  2496
    if (window->gamma && _this->SetWindowGammaRamp) {
slouken@8582
  2497
        _this->SetWindowGammaRamp(_this, window, window->gamma);
slouken@8582
  2498
    }
slouken@8582
  2499
slouken@8582
  2500
    if (mouse && mouse->relative_mode) {
slouken@8582
  2501
        SDL_SetMouseFocus(window);
slouken@8582
  2502
        SDL_WarpMouseInWindow(window, window->w/2, window->h/2);
slouken@8582
  2503
    }
slouken@8582
  2504
slouken@8582
  2505
    SDL_UpdateWindowGrab(window);
slouken@8582
  2506
}
slouken@8582
  2507
slouken@8582
  2508
static SDL_bool
slouken@8582
  2509
ShouldMinimizeOnFocusLoss(SDL_Window * window)
slouken@8582
  2510
{
jorgen@8112
  2511
    if (!(window->flags & SDL_WINDOW_FULLSCREEN) || window->is_destroying) {
slouken@8582
  2512
        return SDL_FALSE;
slouken@8582
  2513
    }
slouken@8582
  2514
slouken@8582
  2515
#ifdef __MACOSX__
slouken@8582
  2516
    if (Cocoa_IsWindowInFullscreenSpace(window)) {
slouken@8582
  2517
        return SDL_FALSE;
slouken@8582
  2518
    }
slouken@8582
  2519
#endif
slouken@8582
  2520
slouken@10499
  2521
    return SDL_GetHintBoolean(SDL_HINT_VIDEO_MINIMIZE_ON_FOCUS_LOSS, SDL_TRUE);
slouken@8582
  2522
}
slouken@8582
  2523
slouken@8582
  2524
void
slouken@8582
  2525
SDL_OnWindowFocusLost(SDL_Window * window)
slouken@8582
  2526
{
slouken@8582
  2527
    if (window->gamma && _this->SetWindowGammaRamp) {
slouken@8582
  2528
        _this->SetWindowGammaRamp(_this, window, window->saved_gamma);
slouken@8582
  2529
    }
slouken@8582
  2530
slouken@8582
  2531
    SDL_UpdateWindowGrab(window);
slouken@8582
  2532
slouken@8582
  2533
    if (ShouldMinimizeOnFocusLoss(window)) {
slouken@8582
  2534
        SDL_MinimizeWindow(window);
slouken@8582
  2535
    }
slouken@8582
  2536
}
slouken@8582
  2537
icculus@8783
  2538
/* !!! FIXME: is this different than SDL_GetKeyboardFocus()?
icculus@8783
  2539
   !!! FIXME:  Also, SDL_GetKeyboardFocus() is O(1), this isn't. */
slouken@8582
  2540
SDL_Window *
slouken@8582
  2541
SDL_GetFocusWindow(void)
slouken@8582
  2542
{
slouken@8582
  2543
    SDL_Window *window;
slouken@8582
  2544
slouken@8582
  2545
    if (!_this) {
slouken@8582
  2546
        return NULL;
slouken@8582
  2547
    }
slouken@8582
  2548
    for (window = _this->windows; window; window = window->next) {
slouken@8582
  2549
        if (window->flags & SDL_WINDOW_INPUT_FOCUS) {
slouken@8582
  2550
            return window;
slouken@8582
  2551
        }
slouken@8582
  2552
    }
slouken@8582
  2553
    return NULL;
slouken@8582
  2554
}
slouken@8582
  2555
slouken@8582
  2556
void
slouken@8582
  2557
SDL_DestroyWindow(SDL_Window * window)
slouken@8582
  2558
{
slouken@8582
  2559
    SDL_VideoDisplay *display;
slouken@8582
  2560
slouken@8818
  2561
    CHECK_WINDOW_MAGIC(window,);
slouken@8582
  2562
jorgen@8112
  2563
    window->is_destroying = SDL_TRUE;
jorgen@8112
  2564
slouken@8582
  2565
    /* Restore video mode, etc. */
slouken@8582
  2566
    SDL_HideWindow(window);
slouken@8582
  2567
slouken@8582
  2568
    /* Make sure this window no longer has focus */
slouken@8582
  2569
    if (SDL_GetKeyboardFocus() == window) {
slouken@8582
  2570
        SDL_SetKeyboardFocus(NULL);
slouken@8582
  2571
    }
slouken@8582
  2572
    if (SDL_GetMouseFocus() == window) {
slouken@8582
  2573
        SDL_SetMouseFocus(NULL);
slouken@8582
  2574
    }
slouken@8582
  2575
slouken@8582
  2576
    /* make no context current if this is the current context window. */
slouken@8582
  2577
    if (window->flags & SDL_WINDOW_OPENGL) {
slouken@8582
  2578
        if (_this->current_glwin == window) {
slouken@8582
  2579
            SDL_GL_MakeCurrent(window, NULL);
slouken@8582
  2580
        }
slouken@8582
  2581
    }
slouken@8582
  2582
slouken@8582
  2583
    if (window->surface) {
slouken@8582
  2584
        window->surface->flags &= ~SDL_DONTFREE;
slouken@8582
  2585
        SDL_FreeSurface(window->surface);
slouken@8582
  2586
    }
slouken@8582
  2587
    if (_this->DestroyWindowFramebuffer) {
slouken@8582
  2588
        _this->DestroyWindowFramebuffer(_this, window);
slouken@8582
  2589
    }
slouken@8582
  2590
    if (_this->DestroyWindow) {
slouken@8582
  2591
        _this->DestroyWindow(_this, window);
slouken@8582
  2592
    }
slouken@8582
  2593
    if (window->flags & SDL_WINDOW_OPENGL) {
slouken@8582
  2594
        SDL_GL_UnloadLibrary();
slouken@8582
  2595
    }
slouken@8582
  2596
slouken@8582
  2597
    display = SDL_GetDisplayForWindow(window);
slouken@8582
  2598
    if (display->fullscreen_window == window) {
slouken@8582
  2599
        display->fullscreen_window = NULL;
slouken@8582
  2600
    }
slouken@8582
  2601
slouken@8582
  2602
    /* Now invalidate magic */
slouken@8582
  2603
    window->magic = NULL;
slouken@8582
  2604
slouken@8582
  2605
    /* Free memory associated with the window */
slouken@8582
  2606
    SDL_free(window->title);
slouken@8582
  2607
    SDL_FreeSurface(window->icon);
slouken@8582
  2608
    SDL_free(window->gamma);
slouken@8582
  2609
    while (window->data) {
slouken@8582
  2610
        SDL_WindowUserData *data = window->data;
slouken@8582
  2611
slouken@8582
  2612
        window->data = data->next;
slouken@8582
  2613
        SDL_free(data->name);
slouken@8582
  2614
        SDL_free(data);
slouken@8582
  2615
    }
slouken@8582
  2616
slouken@8582
  2617
    /* Unlink the window from the list */
slouken@8582
  2618
    if (window->next) {
slouken@8582
  2619
        window->next->prev = window->prev;
slouken@8582
  2620
    }
slouken@8582
  2621
    if (window->prev) {
slouken@8582
  2622
        window->prev->next = window->next;
slouken@8582
  2623
    } else {
slouken@8582
  2624
        _this->windows = window->next;
slouken@8582
  2625
    }
slouken@8582
  2626
slouken@8582
  2627
    SDL_free(window);
slouken@8582
  2628
}
slouken@8582
  2629
slouken@8582
  2630
SDL_bool
slouken@8582
  2631
SDL_IsScreenSaverEnabled()
slouken@8582
  2632
{
slouken@8582
  2633
    if (!_this) {
slouken@8582
  2634
        return SDL_TRUE;
slouken@8582
  2635
    }
slouken@8582
  2636
    return _this->suspend_screensaver ? SDL_FALSE : SDL_TRUE;
slouken@8582
  2637
}
slouken@8582
  2638
slouken@8582
  2639
void
slouken@8582
  2640
SDL_EnableScreenSaver()
slouken@8582
  2641
{
slouken@8582
  2642
    if (!_this) {
slouken@8582
  2643
        return;
slouken@8582
  2644
    }
slouken@8582
  2645
    if (!_this->suspend_screensaver) {
slouken@8582
  2646
        return;
slouken@8582
  2647
    }
slouken@8582
  2648
    _this->suspend_screensaver = SDL_FALSE;
slouken@8582
  2649
    if (_this->SuspendScreenSaver) {
slouken@8582
  2650
        _this->SuspendScreenSaver(_this);
slouken@8582
  2651
    }
slouken@8582
  2652
}
slouken@8582
  2653
slouken@8582
  2654
void
slouken@8582
  2655
SDL_DisableScreenSaver()
slouken@8582
  2656
{
slouken@8582
  2657
    if (!_this) {
slouken@8582
  2658
        return;
slouken@8582
  2659
    }
slouken@8582
  2660
    if (_this->suspend_screensaver) {
slouken@8582
  2661
        return;
slouken@8582
  2662
    }
slouken@8582
  2663
    _this->suspend_screensaver = SDL_TRUE;
slouken@8582
  2664
    if (_this->SuspendScreenSaver) {
slouken@8582
  2665
        _this->SuspendScreenSaver(_this);
slouken@8582
  2666
    }
slouken@8582
  2667
}
slouken@8582
  2668
slouken@8582
  2669
void
slouken@8582
  2670
SDL_VideoQuit(void)
slouken@8582
  2671
{
slouken@8582
  2672
    int i, j;
slouken@8582
  2673
slouken@8582
  2674
    if (!_this) {
slouken@8582
  2675
        return;
slouken@8582
  2676
    }
slouken@8582
  2677
slouken@8582
  2678
    /* Halt event processing before doing anything else */
slouken@8582
  2679
    SDL_TouchQuit();
slouken@8582
  2680
    SDL_MouseQuit();
slouken@8582
  2681
    SDL_KeyboardQuit();
slouken@8582
  2682
    SDL_QuitSubSystem(SDL_INIT_EVENTS);
slouken@8582
  2683
slouken@8582
  2684
    SDL_EnableScreenSaver();
slouken@8582
  2685
slouken@8582
  2686
    /* Clean up the system video */
slouken@8582
  2687
    while (_this->windows) {
slouken@8582
  2688
        SDL_DestroyWindow(_this->windows);
slouken@8582
  2689
    }
slouken@8582
  2690
    _this->VideoQuit(_this);
slouken@8582
  2691
slouken@8582
  2692
    for (i = 0; i < _this->num_displays; ++i) {
slouken@8582
  2693
        SDL_VideoDisplay *display = &_this->displays[i];
slouken@8582
  2694
        for (j = display->num_display_modes; j--;) {
slouken@8582
  2695
            SDL_free(display->display_modes[j].driverdata);
slouken@8582
  2696
            display->display_modes[j].driverdata = NULL;
slouken@8582
  2697
        }
slouken@8582
  2698
        SDL_free(display->display_modes);
slouken@8582
  2699
        display->display_modes = NULL;
slouken@8582
  2700
        SDL_free(display->desktop_mode.driverdata);
slouken@8582
  2701
        display->desktop_mode.driverdata = NULL;
slouken@8582
  2702
        SDL_free(display->driverdata);
slouken@8582
  2703
        display->driverdata = NULL;
slouken@8582
  2704
    }
slouken@8582
  2705
    if (_this->displays) {
slouken@8582
  2706
        for (i = 0; i < _this->num_displays; ++i) {
slouken@8582
  2707
            SDL_free(_this->displays[i].name);
slouken@8582
  2708
        }
slouken@8582
  2709
        SDL_free(_this->displays);
slouken@8582
  2710
        _this->displays = NULL;
slouken@8582
  2711
        _this->num_displays = 0;
slouken@8582
  2712
    }
slouken@8582
  2713
    SDL_free(_this->clipboard_text);
slouken@8582
  2714
    _this->clipboard_text = NULL;
slouken@8582
  2715
    _this->free(_this);
slouken@8582
  2716
    _this = NULL;
slouken@8582
  2717
}
slouken@8582
  2718
slouken@8582
  2719
int
slouken@8582
  2720
SDL_GL_LoadLibrary(const char *path)
slouken@8582
  2721
{
slouken@8582
  2722
    int retval;
slouken@8582
  2723
slouken@8582
  2724
    if (!_this) {
slouken@8582
  2725
        return SDL_UninitializedVideo();
slouken@8582
  2726
    }
slouken@8582
  2727
    if (_this->gl_config.driver_loaded) {
slouken@8582
  2728
        if (path && SDL_strcmp(path, _this->gl_config.driver_path) != 0) {
slouken@8582
  2729
            return SDL_SetError("OpenGL library already loaded");
slouken@8582
  2730
        }
slouken@8582
  2731
        retval = 0;
slouken@8582
  2732
    } else {
slouken@8582
  2733
        if (!_this->GL_LoadLibrary) {
slouken@8582
  2734
            return SDL_SetError("No dynamic GL support in video driver");
slouken@8582
  2735
        }
slouken@8582
  2736
        retval = _this->GL_LoadLibrary(_this, path);
slouken@8582
  2737
    }
slouken@8582
  2738
    if (retval == 0) {
slouken@8582
  2739
        ++_this->gl_config.driver_loaded;
slouken@8582
  2740
    } else {
slouken@8582
  2741
        if (_this->GL_UnloadLibrary) {
slouken@8582
  2742
            _this->GL_UnloadLibrary(_this);
slouken@8582
  2743
        }
slouken@8582
  2744
    }
slouken@8582
  2745
    return (retval);
slouken@8582
  2746
}
slouken@8582
  2747
slouken@8582
  2748
void *
slouken@8582
  2749
SDL_GL_GetProcAddress(const char *proc)
slouken@8582
  2750
{
slouken@8582
  2751
    void *func;
slouken@8582
  2752
slouken@8582
  2753
    if (!_this) {
slouken@8582
  2754
        SDL_UninitializedVideo();
slouken@8582
  2755
        return NULL;
slouken@8582
  2756
    }