src/video/SDL_video.c
author Ryan C. Gordon <icculus@icculus.org>
Sun, 27 Aug 2017 22:15:57 -0400
changeset 11365 a9bd2625fa01
parent 11346 4d2bf1b340cd
child 11379 308746c0fe9e
permissions -rw-r--r--
vulkan: Initial Vulkan support!

This work was done by Jacob Lifshay and Mark Callow; I'm just merging it
into revision control.
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/*
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  Simple DirectMedia Layer
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  Copyright (C) 1997-2017 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_KMSDRM
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    &KMSDRM_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_QNX
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    &QNX_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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    SDL_assert(window && window->magic == &_this->window_magic); \
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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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    SDL_assert(displayIndex >= 0 && displayIndex < _this->num_displays); \
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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 this is the dummy driver there is no texture support */
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    if (_this->is_dummy) {
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        return SDL_FALSE;
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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 (for cocoa and X11) */
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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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   312
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        data->renderer = renderer;
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    }
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   315
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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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   323
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    {
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        SDL_RendererInfo info;
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        Uint32 i;
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   327
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        if (SDL_GetRendererInfo(data->renderer, &info) < 0) {
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            return -1;
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   330
        }
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   331
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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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   334
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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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   361
        }
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    }
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   363
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    *pixels = data->pixels;
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    *pitch = data->pitch;
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   366
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   367
    /* Make sure we're not double-scaling the viewport */
slouken@8582
   368
    SDL_RenderSetViewport(data->renderer, NULL);
slouken@8582
   369
slouken@8582
   370
    return 0;
slouken@8582
   371
}
slouken@8582
   372
slouken@8582
   373
static int
slouken@8922
   374
SDL_UpdateWindowTexture(SDL_VideoDevice *unused, SDL_Window * window, const SDL_Rect * rects, int numrects)
slouken@8582
   375
{
slouken@8582
   376
    SDL_WindowTextureData *data;
slouken@8582
   377
    SDL_Rect rect;
slouken@8582
   378
    void *src;
slouken@8582
   379
slouken@8582
   380
    data = SDL_GetWindowData(window, SDL_WINDOWTEXTUREDATA);
slouken@8582
   381
    if (!data || !data->texture) {
slouken@8582
   382
        return SDL_SetError("No window texture data");
slouken@8582
   383
    }
slouken@8582
   384
slouken@8582
   385
    /* Update a single rect that contains subrects for best DMA performance */
slouken@8582
   386
    if (SDL_GetSpanEnclosingRect(window->w, window->h, numrects, rects, &rect)) {
slouken@8582
   387
        src = (void *)((Uint8 *)data->pixels +
slouken@8582
   388
                        rect.y * data->pitch +
slouken@8582
   389
                        rect.x * data->bytes_per_pixel);
slouken@8582
   390
        if (SDL_UpdateTexture(data->texture, &rect, src, data->pitch) < 0) {
slouken@8582
   391
            return -1;
slouken@8582
   392
        }
slouken@8582
   393
slouken@8582
   394
        if (SDL_RenderCopy(data->renderer, data->texture, NULL, NULL) < 0) {
slouken@8582
   395
            return -1;
slouken@8582
   396
        }
slouken@8582
   397
slouken@8582
   398
        SDL_RenderPresent(data->renderer);
slouken@8582
   399
    }
slouken@8582
   400
    return 0;
slouken@8582
   401
}
slouken@8582
   402
slouken@8582
   403
static void
slouken@8922
   404
SDL_DestroyWindowTexture(SDL_VideoDevice *unused, SDL_Window * window)
slouken@8582
   405
{
slouken@8582
   406
    SDL_WindowTextureData *data;
slouken@8582
   407
slouken@8582
   408
    data = SDL_SetWindowData(window, SDL_WINDOWTEXTUREDATA, NULL);
slouken@8582
   409
    if (!data) {
slouken@8582
   410
        return;
slouken@8582
   411
    }
slouken@8582
   412
    if (data->texture) {
slouken@8582
   413
        SDL_DestroyTexture(data->texture);
slouken@8582
   414
    }
slouken@8582
   415
    if (data->renderer) {
slouken@8582
   416
        SDL_DestroyRenderer(data->renderer);
slouken@8582
   417
    }
slouken@8582
   418
    SDL_free(data->pixels);
slouken@8582
   419
    SDL_free(data);
slouken@8582
   420
}
slouken@8582
   421
slouken@8582
   422
slouken@8582
   423
static int
slouken@8582
   424
cmpmodes(const void *A, const void *B)
slouken@8582
   425
{
slouken@8582
   426
    const SDL_DisplayMode *a = (const SDL_DisplayMode *) A;
slouken@8582
   427
    const SDL_DisplayMode *b = (const SDL_DisplayMode *) B;
slouken@8582
   428
    if (a == b) {
slouken@8582
   429
        return 0;
slouken@8582
   430
    } else if (a->w != b->w) {
slouken@8582
   431
        return b->w - a->w;
slouken@8582
   432
    } else if (a->h != b->h) {
slouken@8582
   433
        return b->h - a->h;
slouken@8582
   434
    } else if (SDL_BITSPERPIXEL(a->format) != SDL_BITSPERPIXEL(b->format)) {
slouken@8582
   435
        return SDL_BITSPERPIXEL(b->format) - SDL_BITSPERPIXEL(a->format);
slouken@8582
   436
    } else if (SDL_PIXELLAYOUT(a->format) != SDL_PIXELLAYOUT(b->format)) {
slouken@8582
   437
        return SDL_PIXELLAYOUT(b->format) - SDL_PIXELLAYOUT(a->format);
slouken@8582
   438
    } else if (a->refresh_rate != b->refresh_rate) {
slouken@8582
   439
        return b->refresh_rate - a->refresh_rate;
slouken@8582
   440
    }
slouken@8582
   441
    return 0;
slouken@8582
   442
}
slouken@8582
   443
slouken@8582
   444
static int
slouken@8582
   445
SDL_UninitializedVideo()
slouken@8582
   446
{
slouken@8582
   447
    return SDL_SetError("Video subsystem has not been initialized");
slouken@8582
   448
}
slouken@8582
   449
slouken@8582
   450
int
slouken@8582
   451
SDL_GetNumVideoDrivers(void)
slouken@8582
   452
{
slouken@8582
   453
    return SDL_arraysize(bootstrap) - 1;
slouken@8582
   454
}
slouken@8582
   455
slouken@8582
   456
const char *
slouken@8582
   457
SDL_GetVideoDriver(int index)
slouken@8582
   458
{
slouken@8582
   459
    if (index >= 0 && index < SDL_GetNumVideoDrivers()) {
slouken@8582
   460
        return bootstrap[index]->name;
slouken@8582
   461
    }
slouken@8582
   462
    return NULL;
slouken@8582
   463
}
slouken@8582
   464
slouken@8582
   465
/*
slouken@8582
   466
 * Initialize the video and event subsystems -- determine native pixel format
slouken@8582
   467
 */
slouken@8582
   468
int
slouken@8582
   469
SDL_VideoInit(const char *driver_name)
slouken@8582
   470
{
slouken@8582
   471
    SDL_VideoDevice *video;
slouken@8582
   472
    int index;
slouken@8582
   473
    int i;
slouken@8582
   474
slouken@8582
   475
    /* Check to make sure we don't overwrite '_this' */
slouken@8582
   476
    if (_this != NULL) {
slouken@8582
   477
        SDL_VideoQuit();
slouken@8582
   478
    }
slouken@8582
   479
slouken@8582
   480
#if !SDL_TIMERS_DISABLED
slouken@8268
   481
    SDL_TicksInit();
slouken@8582
   482
#endif
slouken@8582
   483
slouken@8582
   484
    /* Start the event loop */
slouken@8582
   485
    if (SDL_InitSubSystem(SDL_INIT_EVENTS) < 0 ||
slouken@8582
   486
        SDL_KeyboardInit() < 0 ||
slouken@8582
   487
        SDL_MouseInit() < 0 ||
slouken@8582
   488
        SDL_TouchInit() < 0) {
slouken@8582
   489
        return -1;
slouken@8582
   490
    }
slouken@8582
   491
slouken@8582
   492
    /* Select the proper video driver */
slouken@8582
   493
    index = 0;
slouken@8582
   494
    video = NULL;
slouken@8582
   495
    if (driver_name == NULL) {
slouken@8582
   496
        driver_name = SDL_getenv("SDL_VIDEODRIVER");
slouken@8582
   497
    }
slouken@8582
   498
    if (driver_name != NULL) {
slouken@8582
   499
        for (i = 0; bootstrap[i]; ++i) {
slouken@8582
   500
            if (SDL_strncasecmp(bootstrap[i]->name, driver_name, SDL_strlen(driver_name)) == 0) {
gabomdq@8117
   501
                if (bootstrap[i]->available()) {
gabomdq@8117
   502
                    video = bootstrap[i]->create(index);
gabomdq@8117
   503
                    break;
gabomdq@8117
   504
                }
slouken@8582
   505
            }
slouken@8582
   506
        }
slouken@8582
   507
    } else {
slouken@8582
   508
        for (i = 0; bootstrap[i]; ++i) {
slouken@8582
   509
            if (bootstrap[i]->available()) {
slouken@8582
   510
                video = bootstrap[i]->create(index);
slouken@8582
   511
                if (video != NULL) {
slouken@8582
   512
                    break;
slouken@8582
   513
                }
slouken@8582
   514
            }
slouken@8582
   515
        }
slouken@8582
   516
    }
slouken@8582
   517
    if (video == NULL) {
slouken@8582
   518
        if (driver_name) {
slouken@8582
   519
            return SDL_SetError("%s not available", driver_name);
slouken@8582
   520
        }
slouken@8582
   521
        return SDL_SetError("No available video device");
slouken@8582
   522
    }
slouken@8582
   523
    _this = video;
slouken@8582
   524
    _this->name = bootstrap[i]->name;
slouken@8582
   525
    _this->next_object_id = 1;
slouken@8582
   526
slouken@8582
   527
slouken@8582
   528
    /* Set some very sane GL defaults */
slouken@8582
   529
    _this->gl_config.driver_loaded = 0;
slouken@8582
   530
    _this->gl_config.dll_handle = NULL;
jorgen@8145
   531
    SDL_GL_ResetAttributes();
slouken@8582
   532
slouken@8582
   533
    _this->current_glwin_tls = SDL_TLSCreate();
slouken@8582
   534
    _this->current_glctx_tls = SDL_TLSCreate();
slouken@8582
   535
slouken@8582
   536
    /* Initialize the video subsystem */
slouken@8582
   537
    if (_this->VideoInit(_this) < 0) {
slouken@8582
   538
        SDL_VideoQuit();
slouken@8582
   539
        return -1;
slouken@8582
   540
    }
slouken@8582
   541
slouken@8582
   542
    /* Make sure some displays were added */
slouken@8582
   543
    if (_this->num_displays == 0) {
slouken@8582
   544
        SDL_VideoQuit();
slouken@8582
   545
        return SDL_SetError("The video driver did not add any displays");
slouken@8582
   546
    }
slouken@8582
   547
slouken@8582
   548
    /* Add the renderer framebuffer emulation if desired */
slouken@8582
   549
    if (ShouldUseTextureFramebuffer()) {
slouken@8582
   550
        _this->CreateWindowFramebuffer = SDL_CreateWindowTexture;
slouken@8582
   551
        _this->UpdateWindowFramebuffer = SDL_UpdateWindowTexture;
slouken@8582
   552
        _this->DestroyWindowFramebuffer = SDL_DestroyWindowTexture;
slouken@8582
   553
    }
slouken@8582
   554
icculus@8265
   555
    /* Disable the screen saver by default. This is a change from <= 2.0.1,
icculus@8265
   556
       but most things using SDL are games or media players; you wouldn't
icculus@8265
   557
       want a screensaver to trigger if you're playing exclusively with a
icculus@8265
   558
       joystick, or passively watching a movie. Things that use SDL but
icculus@8265
   559
       function more like a normal desktop app should explicitly reenable the
icculus@8265
   560
       screensaver. */
slouken@10499
   561
    if (!SDL_GetHintBoolean(SDL_HINT_VIDEO_ALLOW_SCREENSAVER, SDL_FALSE)) {
slouken@8266
   562
        SDL_DisableScreenSaver();
slouken@8266
   563
    }
icculus@8265
   564
slouken@8582
   565
    /* If we don't use a screen keyboard, turn on text input by default,
slouken@8582
   566
       otherwise programs that expect to get text events without enabling
slouken@8582
   567
       UNICODE input won't get any events.
slouken@8582
   568
slouken@8582
   569
       Actually, come to think of it, you needed to call SDL_EnableUNICODE(1)
slouken@8582
   570
       in SDL 1.2 before you got text input events.  Hmm...
slouken@8582
   571
     */
slouken@8582
   572
    if (!SDL_HasScreenKeyboardSupport()) {
slouken@8582
   573
        SDL_StartTextInput();
slouken@8582
   574
    }
slouken@8582
   575
slouken@8582
   576
    /* We're ready to go! */
slouken@8582
   577
    return 0;
slouken@8582
   578
}
slouken@8582
   579
slouken@8582
   580
const char *
slouken@8582
   581
SDL_GetCurrentVideoDriver()
slouken@8582
   582
{
slouken@8582
   583
    if (!_this) {
slouken@8582
   584
        SDL_UninitializedVideo();
slouken@8582
   585
        return NULL;
slouken@8582
   586
    }
slouken@8582
   587
    return _this->name;
slouken@8582
   588
}
slouken@8582
   589
slouken@8582
   590
SDL_VideoDevice *
slouken@8582
   591
SDL_GetVideoDevice(void)
slouken@8582
   592
{
slouken@8582
   593
    return _this;
slouken@8582
   594
}
slouken@8582
   595
slouken@8582
   596
int
slouken@8582
   597
SDL_AddBasicVideoDisplay(const SDL_DisplayMode * desktop_mode)
slouken@8582
   598
{
slouken@8582
   599
    SDL_VideoDisplay display;
slouken@8582
   600
slouken@8582
   601
    SDL_zero(display);
slouken@8582
   602
    if (desktop_mode) {
slouken@8582
   603
        display.desktop_mode = *desktop_mode;
slouken@8582
   604
    }
slouken@8582
   605
    display.current_mode = display.desktop_mode;
slouken@8582
   606
slouken@8582
   607
    return SDL_AddVideoDisplay(&display);
slouken@8582
   608
}
slouken@8582
   609
slouken@8582
   610
int
slouken@8582
   611
SDL_AddVideoDisplay(const SDL_VideoDisplay * display)
slouken@8582
   612
{
slouken@8582
   613
    SDL_VideoDisplay *displays;
slouken@8582
   614
    int index = -1;
slouken@8582
   615
slouken@8582
   616
    displays =
slouken@8582
   617
        SDL_realloc(_this->displays,
slouken@8582
   618
                    (_this->num_displays + 1) * sizeof(*displays));
slouken@8582
   619
    if (displays) {
slouken@8582
   620
        index = _this->num_displays++;
slouken@8582
   621
        displays[index] = *display;
slouken@8582
   622
        displays[index].device = _this;
slouken@8582
   623
        _this->displays = displays;
slouken@8582
   624
slouken@8582
   625
        if (display->name) {
slouken@8582
   626
            displays[index].name = SDL_strdup(display->name);
slouken@8582
   627
        } else {
slouken@8582
   628
            char name[32];
slouken@8582
   629
slouken@8582
   630
            SDL_itoa(index, name, 10);
slouken@8582
   631
            displays[index].name = SDL_strdup(name);
slouken@8582
   632
        }
slouken@8582
   633
    } else {
slouken@8582
   634
        SDL_OutOfMemory();
slouken@8582
   635
    }
slouken@8582
   636
    return index;
slouken@8582
   637
}
slouken@8582
   638
slouken@8582
   639
int
slouken@8582
   640
SDL_GetNumVideoDisplays(void)
slouken@8582
   641
{
slouken@8582
   642
    if (!_this) {
slouken@8582
   643
        SDL_UninitializedVideo();
slouken@8582
   644
        return 0;
slouken@8582
   645
    }
slouken@8582
   646
    return _this->num_displays;
slouken@8582
   647
}
slouken@8582
   648
slouken@8582
   649
static int
slouken@8582
   650
SDL_GetIndexOfDisplay(SDL_VideoDisplay *display)
slouken@8582
   651
{
slouken@8582
   652
    int displayIndex;
slouken@8582
   653
slouken@8582
   654
    for (displayIndex = 0; displayIndex < _this->num_displays; ++displayIndex) {
slouken@8582
   655
        if (display == &_this->displays[displayIndex]) {
slouken@8582
   656
            return displayIndex;
slouken@8582
   657
        }
slouken@8582
   658
    }
slouken@8582
   659
slouken@8582
   660
    /* Couldn't find the display, just use index 0 */
slouken@8582
   661
    return 0;
slouken@8582
   662
}
slouken@8582
   663
slouken@8582
   664
void *
slouken@8818
   665
SDL_GetDisplayDriverData(int displayIndex)
slouken@8582
   666
{
slouken@8818
   667
    CHECK_DISPLAY_INDEX(displayIndex, NULL);
slouken@8582
   668
slouken@8582
   669
    return _this->displays[displayIndex].driverdata;
slouken@8582
   670
}
slouken@8582
   671
slouken@8582
   672
const char *
slouken@8582
   673
SDL_GetDisplayName(int displayIndex)
slouken@8582
   674
{
slouken@8582
   675
    CHECK_DISPLAY_INDEX(displayIndex, NULL);
slouken@8582
   676
slouken@8582
   677
    return _this->displays[displayIndex].name;
slouken@8582
   678
}
slouken@8582
   679
slouken@8582
   680
int
slouken@8582
   681
SDL_GetDisplayBounds(int displayIndex, SDL_Rect * rect)
slouken@8582
   682
{
slouken@8582
   683
    CHECK_DISPLAY_INDEX(displayIndex, -1);
slouken@8582
   684
slouken@8582
   685
    if (rect) {
slouken@8582
   686
        SDL_VideoDisplay *display = &_this->displays[displayIndex];
slouken@8582
   687
slouken@8582
   688
        if (_this->GetDisplayBounds) {
slouken@8582
   689
            if (_this->GetDisplayBounds(_this, display, rect) == 0) {
slouken@8582
   690
                return 0;
slouken@8582
   691
            }
slouken@8582
   692
        }
slouken@8582
   693
slouken@8582
   694
        /* Assume that the displays are left to right */
slouken@8582
   695
        if (displayIndex == 0) {
slouken@8582
   696
            rect->x = 0;
slouken@8582
   697
            rect->y = 0;
slouken@8582
   698
        } else {
slouken@8582
   699
            SDL_GetDisplayBounds(displayIndex-1, rect);
slouken@8582
   700
            rect->x += rect->w;
slouken@8582
   701
        }
slouken@8582
   702
        rect->w = display->current_mode.w;
slouken@8582
   703
        rect->h = display->current_mode.h;
slouken@8582
   704
    }
icculus@10019
   705
    return 0;  /* !!! FIXME: should this be an error if (rect==NULL) ? */
icculus@10019
   706
}
icculus@10019
   707
icculus@10019
   708
int SDL_GetDisplayUsableBounds(int displayIndex, SDL_Rect * rect)
icculus@10019
   709
{
icculus@10019
   710
    CHECK_DISPLAY_INDEX(displayIndex, -1);
icculus@10019
   711
icculus@10019
   712
    if (rect) {
icculus@10019
   713
        SDL_VideoDisplay *display = &_this->displays[displayIndex];
icculus@10019
   714
icculus@10019
   715
        if (_this->GetDisplayUsableBounds) {
icculus@10019
   716
            if (_this->GetDisplayUsableBounds(_this, display, rect) == 0) {
icculus@10019
   717
                return 0;
icculus@10019
   718
            }
icculus@10019
   719
        }
icculus@10019
   720
icculus@10019
   721
        /* Oh well, just give the entire display bounds. */
icculus@10019
   722
        return SDL_GetDisplayBounds(displayIndex, rect);
icculus@10019
   723
    }
icculus@10019
   724
    return 0;  /* !!! FIXME: should this be an error if (rect==NULL) ? */
slouken@8582
   725
}
slouken@8582
   726
alfred@9813
   727
int
alfred@9813
   728
SDL_GetDisplayDPI(int displayIndex, float * ddpi, float * hdpi, float * vdpi)
alfred@9813
   729
{
alfred@9813
   730
	SDL_VideoDisplay *display;
alfred@9813
   731
alfred@9813
   732
    CHECK_DISPLAY_INDEX(displayIndex, -1);
alfred@9813
   733
alfred@9813
   734
    display = &_this->displays[displayIndex];
alfred@9813
   735
alfred@9813
   736
	if (_this->GetDisplayDPI) {
alfred@9813
   737
		if (_this->GetDisplayDPI(_this, display, ddpi, hdpi, vdpi) == 0) {
alfred@9813
   738
			return 0;
alfred@9813
   739
		}
philipp@10166
   740
    } else {
philipp@10166
   741
        return SDL_Unsupported();
philipp@10166
   742
    }
alfred@9813
   743
alfred@9813
   744
	return -1;
alfred@9813
   745
}
alfred@9813
   746
slouken@8582
   747
SDL_bool
slouken@8582
   748
SDL_AddDisplayMode(SDL_VideoDisplay * display,  const SDL_DisplayMode * mode)
slouken@8582
   749
{
slouken@8582
   750
    SDL_DisplayMode *modes;
slouken@8582
   751
    int i, nmodes;
slouken@8582
   752
slouken@8582
   753
    /* Make sure we don't already have the mode in the list */
slouken@8582
   754
    modes = display->display_modes;
slouken@8582
   755
    nmodes = display->num_display_modes;
slouken@8582
   756
    for (i = 0; i < nmodes; ++i) {
slouken@8582
   757
        if (cmpmodes(mode, &modes[i]) == 0) {
slouken@8582
   758
            return SDL_FALSE;
slouken@8582
   759
        }
slouken@8582
   760
    }
slouken@8582
   761
slouken@8582
   762
    /* Go ahead and add the new mode */
slouken@8582
   763
    if (nmodes == display->max_display_modes) {
slouken@8582
   764
        modes =
slouken@8582
   765
            SDL_realloc(modes,
slouken@8582
   766
                        (display->max_display_modes + 32) * sizeof(*modes));
slouken@8582
   767
        if (!modes) {
slouken@8582
   768
            return SDL_FALSE;
slouken@8582
   769
        }
slouken@8582
   770
        display->display_modes = modes;
slouken@8582
   771
        display->max_display_modes += 32;
slouken@8582
   772
    }
slouken@8582
   773
    modes[nmodes] = *mode;
slouken@8582
   774
    display->num_display_modes++;
slouken@8582
   775
slouken@8582
   776
    /* Re-sort video modes */
slouken@8582
   777
    SDL_qsort(display->display_modes, display->num_display_modes,
slouken@8582
   778
              sizeof(SDL_DisplayMode), cmpmodes);
slouken@8582
   779
slouken@8582
   780
    return SDL_TRUE;
slouken@8582
   781
}
slouken@8582
   782
slouken@8582
   783
static int
slouken@8582
   784
SDL_GetNumDisplayModesForDisplay(SDL_VideoDisplay * display)
slouken@8582
   785
{
slouken@8582
   786
    if (!display->num_display_modes && _this->GetDisplayModes) {
slouken@8582
   787
        _this->GetDisplayModes(_this, display);
slouken@8582
   788
        SDL_qsort(display->display_modes, display->num_display_modes,
slouken@8582
   789
                  sizeof(SDL_DisplayMode), cmpmodes);
slouken@8582
   790
    }
slouken@8582
   791
    return display->num_display_modes;
slouken@8582
   792
}
slouken@8582
   793
slouken@8582
   794
int
slouken@8582
   795
SDL_GetNumDisplayModes(int displayIndex)
slouken@8582
   796
{
slouken@8582
   797
    CHECK_DISPLAY_INDEX(displayIndex, -1);
slouken@8582
   798
slouken@8582
   799
    return SDL_GetNumDisplayModesForDisplay(&_this->displays[displayIndex]);
slouken@8582
   800
}
slouken@8582
   801
slouken@8582
   802
int
slouken@8582
   803
SDL_GetDisplayMode(int displayIndex, int index, SDL_DisplayMode * mode)
slouken@8582
   804
{
slouken@8582
   805
    SDL_VideoDisplay *display;
slouken@8582
   806
slouken@8582
   807
    CHECK_DISPLAY_INDEX(displayIndex, -1);
slouken@8582
   808
slouken@8582
   809
    display = &_this->displays[displayIndex];
slouken@8582
   810
    if (index < 0 || index >= SDL_GetNumDisplayModesForDisplay(display)) {
slouken@8582
   811
        return SDL_SetError("index must be in the range of 0 - %d",
slouken@8582
   812
                            SDL_GetNumDisplayModesForDisplay(display) - 1);
slouken@8582
   813
    }
slouken@8582
   814
    if (mode) {
slouken@8582
   815
        *mode = display->display_modes[index];
slouken@8582
   816
    }
slouken@8582
   817
    return 0;
slouken@8582
   818
}
slouken@8582
   819
slouken@8582
   820
int
slouken@8582
   821
SDL_GetDesktopDisplayMode(int displayIndex, SDL_DisplayMode * mode)
slouken@8582
   822
{
slouken@8582
   823
    SDL_VideoDisplay *display;
slouken@8582
   824
slouken@8582
   825
    CHECK_DISPLAY_INDEX(displayIndex, -1);
slouken@8582
   826
slouken@8582
   827
    display = &_this->displays[displayIndex];
slouken@8582
   828
    if (mode) {
slouken@8582
   829
        *mode = display->desktop_mode;
slouken@8582
   830
    }
slouken@8582
   831
    return 0;
slouken@8582
   832
}
slouken@8582
   833
slouken@8582
   834
int
slouken@8582
   835
SDL_GetCurrentDisplayMode(int displayIndex, SDL_DisplayMode * mode)
slouken@8582
   836
{
slouken@8582
   837
    SDL_VideoDisplay *display;
slouken@8582
   838
slouken@8582
   839
    CHECK_DISPLAY_INDEX(displayIndex, -1);
slouken@8582
   840
slouken@8582
   841
    display = &_this->displays[displayIndex];
slouken@8582
   842
    if (mode) {
slouken@8582
   843
        *mode = display->current_mode;
slouken@8582
   844
    }
slouken@8582
   845
    return 0;
slouken@8582
   846
}
slouken@8582
   847
slouken@8582
   848
static SDL_DisplayMode *
slouken@8582
   849
SDL_GetClosestDisplayModeForDisplay(SDL_VideoDisplay * display,
slouken@8582
   850
                                    const SDL_DisplayMode * mode,
slouken@8582
   851
                                    SDL_DisplayMode * closest)
slouken@8582
   852
{
slouken@8582
   853
    Uint32 target_format;
slouken@8582
   854
    int target_refresh_rate;
slouken@8582
   855
    int i;
slouken@8582
   856
    SDL_DisplayMode *current, *match;
slouken@8582
   857
slouken@8582
   858
    if (!mode || !closest) {
slouken@8582
   859
        SDL_SetError("Missing desired mode or closest mode parameter");
slouken@8582
   860
        return NULL;
slouken@8582
   861
    }
slouken@8582
   862
slouken@8582
   863
    /* Default to the desktop format */
slouken@8582
   864
    if (mode->format) {
slouken@8582
   865
        target_format = mode->format;
slouken@8582
   866
    } else {
slouken@8582
   867
        target_format = display->desktop_mode.format;
slouken@8582
   868
    }
slouken@8582
   869
slouken@8582
   870
    /* Default to the desktop refresh rate */
slouken@8582
   871
    if (mode->refresh_rate) {
slouken@8582
   872
        target_refresh_rate = mode->refresh_rate;
slouken@8582
   873
    } else {
slouken@8582
   874
        target_refresh_rate = display->desktop_mode.refresh_rate;
slouken@8582
   875
    }
slouken@8582
   876
slouken@8582
   877
    match = NULL;
slouken@8582
   878
    for (i = 0; i < SDL_GetNumDisplayModesForDisplay(display); ++i) {
slouken@8582
   879
        current = &display->display_modes[i];
slouken@8582
   880
slouken@8582
   881
        if (current->w && (current->w < mode->w)) {
slouken@8582
   882
            /* Out of sorted modes large enough here */
slouken@8582
   883
            break;
slouken@8582
   884
        }
slouken@8582
   885
        if (current->h && (current->h < mode->h)) {
slouken@8582
   886
            if (current->w && (current->w == mode->w)) {
slouken@8582
   887
                /* Out of sorted modes large enough here */
slouken@8582
   888
                break;
slouken@8582
   889
            }
slouken@8582
   890
            /* Wider, but not tall enough, due to a different
slouken@8582
   891
               aspect ratio. This mode must be skipped, but closer
slouken@8582
   892
               modes may still follow. */
slouken@8582
   893
            continue;
slouken@8582
   894
        }
slouken@8582
   895
        if (!match || current->w < match->w || current->h < match->h) {
slouken@8582
   896
            match = current;
slouken@8582
   897
            continue;
slouken@8582
   898
        }
slouken@8582
   899
        if (current->format != match->format) {
slouken@8582
   900
            /* Sorted highest depth to lowest */
slouken@8582
   901
            if (current->format == target_format ||
slouken@8582
   902
                (SDL_BITSPERPIXEL(current->format) >=
slouken@8582
   903
                 SDL_BITSPERPIXEL(target_format)
slouken@8582
   904
                 && SDL_PIXELTYPE(current->format) ==
slouken@8582
   905
                 SDL_PIXELTYPE(target_format))) {
slouken@8582
   906
                match = current;
slouken@8582
   907
            }
slouken@8582
   908
            continue;
slouken@8582
   909
        }
slouken@8582
   910
        if (current->refresh_rate != match->refresh_rate) {
slouken@8582
   911
            /* Sorted highest refresh to lowest */
slouken@8582
   912
            if (current->refresh_rate >= target_refresh_rate) {
slouken@8582
   913
                match = current;
slouken@8582
   914
            }
slouken@8582
   915
        }
slouken@8582
   916
    }
slouken@8582
   917
    if (match) {
slouken@8582
   918
        if (match->format) {
slouken@8582
   919
            closest->format = match->format;
slouken@8582
   920
        } else {
slouken@8582
   921
            closest->format = mode->format;
slouken@8582
   922
        }
slouken@8582
   923
        if (match->w && match->h) {
slouken@8582
   924
            closest->w = match->w;
slouken@8582
   925
            closest->h = match->h;
slouken@8582
   926
        } else {
slouken@8582
   927
            closest->w = mode->w;
slouken@8582
   928
            closest->h = mode->h;
slouken@8582
   929
        }
slouken@8582
   930
        if (match->refresh_rate) {
slouken@8582
   931
            closest->refresh_rate = match->refresh_rate;
slouken@8582
   932
        } else {
slouken@8582
   933
            closest->refresh_rate = mode->refresh_rate;
slouken@8582
   934
        }
slouken@8582
   935
        closest->driverdata = match->driverdata;
slouken@8582
   936
slouken@8582
   937
        /*
slouken@8582
   938
         * Pick some reasonable defaults if the app and driver don't
slouken@8582
   939
         * care
slouken@8582
   940
         */
slouken@8582
   941
        if (!closest->format) {
slouken@8582
   942
            closest->format = SDL_PIXELFORMAT_RGB888;
slouken@8582
   943
        }
slouken@8582
   944
        if (!closest->w) {
slouken@8582
   945
            closest->w = 640;
slouken@8582
   946
        }
slouken@8582
   947
        if (!closest->h) {
slouken@8582
   948
            closest->h = 480;
slouken@8582
   949
        }
slouken@8582
   950
        return closest;
slouken@8582
   951
    }
slouken@8582
   952
    return NULL;
slouken@8582
   953
}
slouken@8582
   954
slouken@8582
   955
SDL_DisplayMode *
slouken@8582
   956
SDL_GetClosestDisplayMode(int displayIndex,
slouken@8582
   957
                          const SDL_DisplayMode * mode,
slouken@8582
   958
                          SDL_DisplayMode * closest)
slouken@8582
   959
{
slouken@8582
   960
    SDL_VideoDisplay *display;
slouken@8582
   961
slouken@8582
   962
    CHECK_DISPLAY_INDEX(displayIndex, NULL);
slouken@8582
   963
slouken@8582
   964
    display = &_this->displays[displayIndex];
slouken@8582
   965
    return SDL_GetClosestDisplayModeForDisplay(display, mode, closest);
slouken@8582
   966
}
slouken@8582
   967
slouken@8582
   968
static int
slouken@8582
   969
SDL_SetDisplayModeForDisplay(SDL_VideoDisplay * display, const SDL_DisplayMode * mode)
slouken@8582
   970
{
slouken@8582
   971
    SDL_DisplayMode display_mode;
slouken@8582
   972
    SDL_DisplayMode current_mode;
slouken@8582
   973
slouken@8582
   974
    if (mode) {
slouken@8582
   975
        display_mode = *mode;
slouken@8582
   976
slouken@8582
   977
        /* Default to the current mode */
slouken@8582
   978
        if (!display_mode.format) {
slouken@8582
   979
            display_mode.format = display->current_mode.format;
slouken@8582
   980
        }
slouken@8582
   981
        if (!display_mode.w) {
slouken@8582
   982
            display_mode.w = display->current_mode.w;
slouken@8582
   983
        }
slouken@8582
   984
        if (!display_mode.h) {
slouken@8582
   985
            display_mode.h = display->current_mode.h;
slouken@8582
   986
        }
slouken@8582
   987
        if (!display_mode.refresh_rate) {
slouken@8582
   988
            display_mode.refresh_rate = display->current_mode.refresh_rate;
slouken@8582
   989
        }
slouken@8582
   990
slouken@8582
   991
        /* Get a good video mode, the closest one possible */
slouken@8582
   992
        if (!SDL_GetClosestDisplayModeForDisplay(display, &display_mode, &display_mode)) {
slouken@8582
   993
            return SDL_SetError("No video mode large enough for %dx%d",
slouken@8582
   994
                                display_mode.w, display_mode.h);
slouken@8582
   995
        }
slouken@8582
   996
    } else {
slouken@8582
   997
        display_mode = display->desktop_mode;
slouken@8582
   998
    }
slouken@8582
   999
slouken@8582
  1000
    /* See if there's anything left to do */
slouken@8582
  1001
    current_mode = display->current_mode;
slouken@8582
  1002
    if (SDL_memcmp(&display_mode, &current_mode, sizeof(display_mode)) == 0) {
slouken@8582
  1003
        return 0;
slouken@8582
  1004
    }
slouken@8582
  1005
slouken@8582
  1006
    /* Actually change the display mode */
slouken@8582
  1007
    if (!_this->SetDisplayMode) {
slouken@8582
  1008
        return SDL_SetError("Video driver doesn't support changing display mode");
slouken@8582
  1009
    }
slouken@8582
  1010
    if (_this->SetDisplayMode(_this, display, &display_mode) < 0) {
slouken@8582
  1011
        return -1;
slouken@8582
  1012
    }
slouken@8582
  1013
    display->current_mode = display_mode;
slouken@8582
  1014
    return 0;
slouken@8582
  1015
}
slouken@8582
  1016
slouken@8582
  1017
int
slouken@8582
  1018
SDL_GetWindowDisplayIndex(SDL_Window * window)
slouken@8582
  1019
{
slouken@8582
  1020
    int displayIndex;
slouken@8582
  1021
    int i, dist;
slouken@8582
  1022
    int closest = -1;
slouken@8582
  1023
    int closest_dist = 0x7FFFFFFF;
slouken@8582
  1024
    SDL_Point center;
slouken@8582
  1025
    SDL_Point delta;
slouken@8582
  1026
    SDL_Rect rect;
slouken@8582
  1027
slouken@8582
  1028
    CHECK_WINDOW_MAGIC(window, -1);
slouken@8582
  1029
slouken@8582
  1030
    if (SDL_WINDOWPOS_ISUNDEFINED(window->x) ||
slouken@8582
  1031
        SDL_WINDOWPOS_ISCENTERED(window->x)) {
slouken@8582
  1032
        displayIndex = (window->x & 0xFFFF);
slouken@8582
  1033
        if (displayIndex >= _this->num_displays) {
slouken@8582
  1034
            displayIndex = 0;
slouken@8582
  1035
        }
slouken@8582
  1036
        return displayIndex;
slouken@8582
  1037
    }
slouken@8582
  1038
    if (SDL_WINDOWPOS_ISUNDEFINED(window->y) ||
slouken@8582
  1039
        SDL_WINDOWPOS_ISCENTERED(window->y)) {
slouken@8582
  1040
        displayIndex = (window->y & 0xFFFF);
slouken@8582
  1041
        if (displayIndex >= _this->num_displays) {
slouken@8582
  1042
            displayIndex = 0;
slouken@8582
  1043
        }
slouken@8582
  1044
        return displayIndex;
slouken@8582
  1045
    }
slouken@8582
  1046
slouken@8582
  1047
    /* Find the display containing the window */
slouken@8582
  1048
    for (i = 0; i < _this->num_displays; ++i) {
slouken@8582
  1049
        SDL_VideoDisplay *display = &_this->displays[i];
slouken@8582
  1050
slouken@8582
  1051
        if (display->fullscreen_window == window) {
slouken@8582
  1052
            return i;
slouken@8582
  1053
        }
slouken@8582
  1054
    }
slouken@8582
  1055
    center.x = window->x + window->w / 2;
slouken@8582
  1056
    center.y = window->y + window->h / 2;
slouken@8582
  1057
    for (i = 0; i < _this->num_displays; ++i) {
slouken@8582
  1058
        SDL_GetDisplayBounds(i, &rect);
slouken@8582
  1059
        if (SDL_EnclosePoints(&center, 1, &rect, NULL)) {
slouken@8582
  1060
            return i;
slouken@8582
  1061
        }
slouken@8582
  1062
slouken@8582
  1063
        delta.x = center.x - (rect.x + rect.w / 2);
slouken@8582
  1064
        delta.y = center.y - (rect.y + rect.h / 2);
slouken@8582
  1065
        dist = (delta.x*delta.x + delta.y*delta.y);
slouken@8582
  1066
        if (dist < closest_dist) {
slouken@8582
  1067
            closest = i;
slouken@8582
  1068
            closest_dist = dist;
slouken@8582
  1069
        }
slouken@8582
  1070
    }
slouken@8582
  1071
    if (closest < 0) {
slouken@8582
  1072
        SDL_SetError("Couldn't find any displays");
slouken@8582
  1073
    }
slouken@8582
  1074
    return closest;
slouken@8582
  1075
}
slouken@8582
  1076
slouken@8582
  1077
SDL_VideoDisplay *
slouken@8582
  1078
SDL_GetDisplayForWindow(SDL_Window *window)
slouken@8582
  1079
{
slouken@8582
  1080
    int displayIndex = SDL_GetWindowDisplayIndex(window);
slouken@8582
  1081
    if (displayIndex >= 0) {
slouken@8582
  1082
        return &_this->displays[displayIndex];
slouken@8582
  1083
    } else {
slouken@8582
  1084
        return NULL;
slouken@8582
  1085
    }
slouken@8582
  1086
}
slouken@8582
  1087
slouken@8582
  1088
int
slouken@8582
  1089
SDL_SetWindowDisplayMode(SDL_Window * window, const SDL_DisplayMode * mode)
slouken@8582
  1090
{
slouken@8582
  1091
    CHECK_WINDOW_MAGIC(window, -1);
slouken@8582
  1092
slouken@8582
  1093
    if (mode) {
slouken@8582
  1094
        window->fullscreen_mode = *mode;
slouken@8582
  1095
    } else {
slouken@8582
  1096
        SDL_zero(window->fullscreen_mode);
slouken@8582
  1097
    }
slouken@8818
  1098
slouken@8818
  1099
    if (FULLSCREEN_VISIBLE(window) && (window->flags & SDL_WINDOW_FULLSCREEN_DESKTOP) != SDL_WINDOW_FULLSCREEN_DESKTOP) {
slouken@8818
  1100
        SDL_DisplayMode fullscreen_mode;
slouken@8818
  1101
        if (SDL_GetWindowDisplayMode(window, &fullscreen_mode) == 0) {
slouken@8818
  1102
            SDL_SetDisplayModeForDisplay(SDL_GetDisplayForWindow(window), &fullscreen_mode);
slouken@8818
  1103
        }
slouken@8818
  1104
    }
slouken@8582
  1105
    return 0;
slouken@8582
  1106
}
slouken@8582
  1107
slouken@8582
  1108
int
slouken@8582
  1109
SDL_GetWindowDisplayMode(SDL_Window * window, SDL_DisplayMode * mode)
slouken@8582
  1110
{
slouken@8582
  1111
    SDL_DisplayMode fullscreen_mode;
slouken@8582
  1112
    SDL_VideoDisplay *display;
slouken@8582
  1113
slouken@8818
  1114
    CHECK_WINDOW_MAGIC(window, -1);
slouken@8818
  1115
slouken@8582
  1116
    if (!mode) {
slouken@8818
  1117
        return SDL_InvalidParamError("mode");
slouken@8582
  1118
    }
slouken@8582
  1119
slouken@8582
  1120
    fullscreen_mode = window->fullscreen_mode;
slouken@8582
  1121
    if (!fullscreen_mode.w) {
slouken@8823
  1122
        fullscreen_mode.w = window->windowed.w;
slouken@8582
  1123
    }
slouken@8582
  1124
    if (!fullscreen_mode.h) {
slouken@8823
  1125
        fullscreen_mode.h = window->windowed.h;
slouken@8582
  1126
    }
slouken@8582
  1127
slouken@8582
  1128
    display = SDL_GetDisplayForWindow(window);
slouken@8582
  1129
slouken@8582
  1130
    /* if in desktop size mode, just return the size of the desktop */
slouken@8818
  1131
    if ((window->flags & SDL_WINDOW_FULLSCREEN_DESKTOP) == SDL_WINDOW_FULLSCREEN_DESKTOP) {
slouken@8582
  1132
        fullscreen_mode = display->desktop_mode;
slouken@8818
  1133
    } else if (!SDL_GetClosestDisplayModeForDisplay(SDL_GetDisplayForWindow(window),
slouken@8582
  1134
                                             &fullscreen_mode,
slouken@8582
  1135
                                             &fullscreen_mode)) {
slouken@8582
  1136
        return SDL_SetError("Couldn't find display mode match");
slouken@8582
  1137
    }
slouken@8582
  1138
slouken@8582
  1139
    if (mode) {
slouken@8582
  1140
        *mode = fullscreen_mode;
slouken@8582
  1141
    }
slouken@8582
  1142
    return 0;
slouken@8582
  1143
}
slouken@8582
  1144
slouken@8582
  1145
Uint32
slouken@8582
  1146
SDL_GetWindowPixelFormat(SDL_Window * window)
slouken@8582
  1147
{
slouken@8582
  1148
    SDL_VideoDisplay *display;
slouken@8582
  1149
slouken@8582
  1150
    CHECK_WINDOW_MAGIC(window, SDL_PIXELFORMAT_UNKNOWN);
slouken@8582
  1151
slouken@8582
  1152
    display = SDL_GetDisplayForWindow(window);
slouken@8582
  1153
    return display->current_mode.format;
slouken@8582
  1154
}
slouken@8582
  1155
slouken@8582
  1156
static void
slouken@8582
  1157
SDL_RestoreMousePosition(SDL_Window *window)
slouken@8582
  1158
{
slouken@8582
  1159
    int x, y;
slouken@8582
  1160
slouken@8582
  1161
    if (window == SDL_GetMouseFocus()) {
slouken@8582
  1162
        SDL_GetMouseState(&x, &y);
slouken@8582
  1163
        SDL_WarpMouseInWindow(window, x, y);
slouken@8582
  1164
    }
slouken@8582
  1165
}
slouken@8582
  1166
dludwig@9924
  1167
#if __WINRT__
dludwig@9924
  1168
extern Uint32 WINRT_DetectWindowFlags(SDL_Window * window);
dludwig@9924
  1169
#endif
dludwig@9924
  1170
slime73@9532
  1171
static int
slouken@8582
  1172
SDL_UpdateFullscreenMode(SDL_Window * window, SDL_bool fullscreen)
slouken@8582
  1173
{
slouken@8582
  1174
    SDL_VideoDisplay *display;
slouken@8582
  1175
    SDL_Window *other;
slouken@8582
  1176
slime73@9532
  1177
    CHECK_WINDOW_MAGIC(window,-1);
icculus@8783
  1178
alfred@9037
  1179
    /* if we are in the process of hiding don't go back to fullscreen */
slouken@10698
  1180
    if (window->is_hiding && fullscreen) {
slime73@9532
  1181
        return 0;
slouken@10698
  1182
    }
icculus@9887
  1183
slouken@8582
  1184
#ifdef __MACOSX__
slouken@9906
  1185
    /* if the window is going away and no resolution change is necessary,
slouken@10698
  1186
       do nothing, or else we may trigger an ugly double-transition
slouken@9906
  1187
     */
icculus@10781
  1188
    if (SDL_strcmp(_this->name, "cocoa") == 0) {  /* don't do this for X11, etc */
icculus@10781
  1189
        if (window->is_destroying && (window->last_fullscreen_flags & FULLSCREEN_MASK) == SDL_WINDOW_FULLSCREEN_DESKTOP)
icculus@10781
  1190
            return 0;
slouken@9906
  1191
    
icculus@10781
  1192
        if (!_this->is_dummy) {
icculus@10781
  1193
            /* If we're switching between a fullscreen Space and "normal" fullscreen, we need to get back to normal first. */
icculus@10781
  1194
            if (fullscreen && ((window->last_fullscreen_flags & FULLSCREEN_MASK) == SDL_WINDOW_FULLSCREEN_DESKTOP) && ((window->flags & FULLSCREEN_MASK) == SDL_WINDOW_FULLSCREEN)) {
icculus@10781
  1195
                if (!Cocoa_SetWindowFullscreenSpace(window, SDL_FALSE)) {
icculus@10781
  1196
                    return -1;
icculus@10781
  1197
                }
icculus@10781
  1198
            } else if (fullscreen && ((window->last_fullscreen_flags & FULLSCREEN_MASK) == SDL_WINDOW_FULLSCREEN) && ((window->flags & FULLSCREEN_MASK) == SDL_WINDOW_FULLSCREEN_DESKTOP)) {
icculus@10781
  1199
                display = SDL_GetDisplayForWindow(window);
icculus@10781
  1200
                SDL_SetDisplayModeForDisplay(display, NULL);
icculus@10781
  1201
                if (_this->SetWindowFullscreen) {
icculus@10781
  1202
                    _this->SetWindowFullscreen(_this, window, display, SDL_FALSE);
icculus@10781
  1203
                }
slouken@10698
  1204
            }
icculus@10781
  1205
icculus@10781
  1206
            if (Cocoa_SetWindowFullscreenSpace(window, fullscreen)) {
icculus@10781
  1207
                if (Cocoa_IsWindowInFullscreenSpace(window) != fullscreen) {
icculus@10781
  1208
                    return -1;
icculus@10781
  1209
                }
icculus@10781
  1210
                window->last_fullscreen_flags = window->flags;
icculus@10781
  1211
                return 0;
slouken@10698
  1212
            }
slouken@9904
  1213
        }
icculus@9887
  1214
    }
dludwig@9931
  1215
#elif __WINRT__ && (NTDDI_VERSION < NTDDI_WIN10)
dludwig@9924
  1216
    /* HACK: WinRT 8.x apps can't choose whether or not they are fullscreen
dludwig@9924
  1217
       or not.  The user can choose this, via OS-provided UI, but this can't
dludwig@9924
  1218
       be set programmatically.
dludwig@9924
  1219
dludwig@9924
  1220
       Just look at what SDL's WinRT video backend code detected with regards
dludwig@9924
  1221
       to fullscreen (being active, or not), and figure out a return/error code
dludwig@9924
  1222
       from that.
dludwig@9924
  1223
    */
dludwig@9924
  1224
    if (fullscreen == !(WINRT_DetectWindowFlags(window) & FULLSCREEN_MASK)) {
dludwig@9924
  1225
        /* Uh oh, either:
dludwig@9924
  1226
            1. fullscreen was requested, and we're already windowed
dludwig@9924
  1227
            2. windowed-mode was requested, and we're already fullscreen
dludwig@9924
  1228
dludwig@9924
  1229
            WinRT 8.x can't resolve either programmatically, so we're
dludwig@9924
  1230
            giving up.
dludwig@9924
  1231
        */
dludwig@9924
  1232
        return -1;
dludwig@9924
  1233
    } else {
dludwig@9924
  1234
        /* Whatever was requested, fullscreen or windowed mode, is already
dludwig@9924
  1235
            in-place.
dludwig@9924
  1236
        */
dludwig@9924
  1237
        return 0;
dludwig@9924
  1238
    }
slouken@8582
  1239
#endif
slouken@8582
  1240
slouken@8582
  1241
    display = SDL_GetDisplayForWindow(window);
slouken@8582
  1242
slouken@8582
  1243
    if (fullscreen) {
slouken@8582
  1244
        /* Hide any other fullscreen windows */
slouken@8582
  1245
        if (display->fullscreen_window &&
slouken@8582
  1246
            display->fullscreen_window != window) {
slouken@8582
  1247
            SDL_MinimizeWindow(display->fullscreen_window);
slouken@8582
  1248
        }
slouken@8582
  1249
    }
slouken@8582
  1250
slouken@8582
  1251
    /* See if anything needs to be done now */
slouken@8582
  1252
    if ((display->fullscreen_window == window) == fullscreen) {
jorgen@8110
  1253
        if ((window->last_fullscreen_flags & FULLSCREEN_MASK) == (window->flags & FULLSCREEN_MASK)) {
slime73@9532
  1254
            return 0;
jorgen@8110
  1255
        }
slouken@8582
  1256
    }
slouken@8582
  1257
slouken@8582
  1258
    /* See if there are any fullscreen windows */
slouken@8582
  1259
    for (other = _this->windows; other; other = other->next) {
slouken@8582
  1260
        SDL_bool setDisplayMode = SDL_FALSE;
slouken@8582
  1261
slouken@8582
  1262
        if (other == window) {
slouken@8582
  1263
            setDisplayMode = fullscreen;
slouken@8582
  1264
        } else if (FULLSCREEN_VISIBLE(other) &&
slouken@8582
  1265
                   SDL_GetDisplayForWindow(other) == display) {
slouken@8582
  1266
            setDisplayMode = SDL_TRUE;
slouken@8582
  1267
        }
slouken@8582
  1268
slouken@8582
  1269
        if (setDisplayMode) {
slouken@8582
  1270
            SDL_DisplayMode fullscreen_mode;
slouken@8582
  1271
icculus@8656
  1272
            SDL_zero(fullscreen_mode);
icculus@8656
  1273
slouken@8582
  1274
            if (SDL_GetWindowDisplayMode(other, &fullscreen_mode) == 0) {
slouken@8582
  1275
                SDL_bool resized = SDL_TRUE;
slouken@8582
  1276
slouken@8582
  1277
                if (other->w == fullscreen_mode.w && other->h == fullscreen_mode.h) {
slouken@8582
  1278
                    resized = SDL_FALSE;
slouken@8582
  1279
                }
slouken@8582
  1280
slouken@8582
  1281
                /* only do the mode change if we want exclusive fullscreen */
slouken@8582
  1282
                if ((window->flags & SDL_WINDOW_FULLSCREEN_DESKTOP) != SDL_WINDOW_FULLSCREEN_DESKTOP) {
slime73@9532
  1283
                    if (SDL_SetDisplayModeForDisplay(display, &fullscreen_mode) < 0) {
slime73@9532
  1284
                        return -1;
slime73@9532
  1285
                    }
slouken@8582
  1286
                } else {
slime73@9532
  1287
                    if (SDL_SetDisplayModeForDisplay(display, NULL) < 0) {
slime73@9532
  1288
                        return -1;
slime73@9532
  1289
                    }
slouken@8582
  1290
                }
slouken@8582
  1291
slouken@8582
  1292
                if (_this->SetWindowFullscreen) {
slouken@8582
  1293
                    _this->SetWindowFullscreen(_this, other, display, SDL_TRUE);
slouken@8582
  1294
                }
slouken@8582
  1295
                display->fullscreen_window = other;
slouken@8582
  1296
slouken@8582
  1297
                /* Generate a mode change event here */
slouken@8582
  1298
                if (resized) {
slouken@8582
  1299
                    SDL_SendWindowEvent(other, SDL_WINDOWEVENT_RESIZED,
slouken@8582
  1300
                                        fullscreen_mode.w, fullscreen_mode.h);
slouken@8582
  1301
                } else {
slouken@8582
  1302
                    SDL_OnWindowResized(other);
slouken@8582
  1303
                }
slouken@8582
  1304
slouken@8582
  1305
                SDL_RestoreMousePosition(other);
jorgen@8110
  1306
jorgen@8110
  1307
                window->last_fullscreen_flags = window->flags;
slime73@9532
  1308
                return 0;
slouken@8582
  1309
            }
slouken@8582
  1310
        }
slouken@8582
  1311
    }
slouken@8582
  1312
slouken@8582
  1313
    /* Nope, restore the desktop mode */
slouken@8582
  1314
    SDL_SetDisplayModeForDisplay(display, NULL);
slouken@8582
  1315
slouken@8582
  1316
    if (_this->SetWindowFullscreen) {
slouken@8582
  1317
        _this->SetWindowFullscreen(_this, window, display, SDL_FALSE);
slouken@8582
  1318
    }
slouken@8582
  1319
    display->fullscreen_window = NULL;
slouken@8582
  1320
slouken@8582
  1321
    /* Generate a mode change event here */
slouken@8582
  1322
    SDL_OnWindowResized(window);
slouken@8582
  1323
slouken@8582
  1324
    /* Restore the cursor position */
slouken@8582
  1325
    SDL_RestoreMousePosition(window);
jorgen@8110
  1326
jorgen@8110
  1327
    window->last_fullscreen_flags = window->flags;
slime73@9532
  1328
    return 0;
slouken@8582
  1329
}
slouken@8582
  1330
slouken@8582
  1331
#define CREATE_FLAGS \
icculus@11365
  1332
    (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 | SDL_WINDOW_VULKAN)
slouken@8582
  1333
slouken@8582
  1334
static void
slouken@8582
  1335
SDL_FinishWindowCreation(SDL_Window *window, Uint32 flags)
slouken@8582
  1336
{
slouken@8582
  1337
    if (flags & SDL_WINDOW_MAXIMIZED) {
slouken@8582
  1338
        SDL_MaximizeWindow(window);
slouken@8582
  1339
    }
slouken@8582
  1340
    if (flags & SDL_WINDOW_MINIMIZED) {
slouken@8582
  1341
        SDL_MinimizeWindow(window);
slouken@8582
  1342
    }
slouken@8582
  1343
    if (flags & SDL_WINDOW_FULLSCREEN) {
slouken@8582
  1344
        SDL_SetWindowFullscreen(window, flags);
slouken@8582
  1345
    }
slouken@8582
  1346
    if (flags & SDL_WINDOW_INPUT_GRABBED) {
slouken@8582
  1347
        SDL_SetWindowGrab(window, SDL_TRUE);
slouken@8582
  1348
    }
slouken@8582
  1349
    if (!(flags & SDL_WINDOW_HIDDEN)) {
slouken@8582
  1350
        SDL_ShowWindow(window);
slouken@8582
  1351
    }
slouken@8582
  1352
}
slouken@8582
  1353
slouken@8582
  1354
SDL_Window *
slouken@8582
  1355
SDL_CreateWindow(const char *title, int x, int y, int w, int h, Uint32 flags)
slouken@8582
  1356
{
slouken@8582
  1357
    SDL_Window *window;
slouken@8582
  1358
slouken@8582
  1359
    if (!_this) {
slouken@8582
  1360
        /* Initialize the video system if needed */
slouken@8582
  1361
        if (SDL_VideoInit(NULL) < 0) {
slouken@8582
  1362
            return NULL;
slouken@8582
  1363
        }
slouken@8582
  1364
    }
slouken@8582
  1365
slouken@10698
  1366
    if ((((flags & SDL_WINDOW_UTILITY) != 0) + ((flags & SDL_WINDOW_TOOLTIP) != 0) + ((flags & SDL_WINDOW_POPUP_MENU) != 0)) > 1) {
icculus@10021
  1367
        SDL_SetError("Conflicting window flags specified");
icculus@10021
  1368
        return NULL;
icculus@10021
  1369
    }
icculus@10021
  1370
slouken@8582
  1371
    /* Some platforms can't create zero-sized windows */
slouken@8582
  1372
    if (w < 1) {
slouken@8582
  1373
        w = 1;
slouken@8582
  1374
    }
slouken@8582
  1375
    if (h < 1) {
slouken@8582
  1376
        h = 1;
slouken@8582
  1377
    }
slouken@8582
  1378
icculus@9461
  1379
    /* Some platforms blow up if the windows are too large. Raise it later? */
icculus@9461
  1380
    if ((w > 16384) || (h > 16384)) {
icculus@9461
  1381
        SDL_SetError("Window is too large.");
icculus@9461
  1382
        return NULL;
icculus@9461
  1383
    }
icculus@9461
  1384
slouken@8582
  1385
    /* Some platforms have OpenGL enabled by default */
gabomdq@8833
  1386
#if (SDL_VIDEO_OPENGL && __MACOSX__) || __IPHONEOS__ || __ANDROID__ || __NACL__
icculus@11365
  1387
    if (!_this->is_dummy && !(flags & SDL_WINDOW_VULKAN)) {
slouken@10491
  1388
        flags |= SDL_WINDOW_OPENGL;
slouken@10491
  1389
    }
slouken@8582
  1390
#endif
slouken@8582
  1391
    if (flags & SDL_WINDOW_OPENGL) {
slouken@8582
  1392
        if (!_this->GL_CreateContext) {
slouken@8582
  1393
            SDL_SetError("No OpenGL support in video driver");
slouken@8582
  1394
            return NULL;
slouken@8582
  1395
        }
slouken@8582
  1396
        if (SDL_GL_LoadLibrary(NULL) < 0) {
slouken@8582
  1397
            return NULL;
slouken@8582
  1398
        }
slouken@8582
  1399
    }
slouken@8582
  1400
icculus@11365
  1401
    if(flags & SDL_WINDOW_VULKAN)
icculus@11365
  1402
    {
icculus@11365
  1403
        if(!_this->Vulkan_CreateSurface)
icculus@11365
  1404
        {
icculus@11365
  1405
            SDL_SetError("Vulkan support is either not configured in SDL "
icculus@11365
  1406
            		     "or not available in video driver");
icculus@11365
  1407
            return NULL;
icculus@11365
  1408
        }
icculus@11365
  1409
        if(flags & SDL_WINDOW_OPENGL)
icculus@11365
  1410
        {
icculus@11365
  1411
            SDL_SetError("Vulkan and OpenGL not supported on same window");
icculus@11365
  1412
            return NULL;
icculus@11365
  1413
        }
icculus@11365
  1414
        if(SDL_Vulkan_LoadLibrary(NULL) < 0)
icculus@11365
  1415
        {
icculus@11365
  1416
            return NULL;
icculus@11365
  1417
        }
icculus@11365
  1418
    }
icculus@11365
  1419
slouken@8582
  1420
    /* Unless the user has specified the high-DPI disabling hint, respect the
slouken@8582
  1421
     * SDL_WINDOW_ALLOW_HIGHDPI flag.
slouken@8582
  1422
     */
slouken@8582
  1423
    if (flags & SDL_WINDOW_ALLOW_HIGHDPI) {
slouken@10499
  1424
        if (SDL_GetHintBoolean(SDL_HINT_VIDEO_HIGHDPI_DISABLED, SDL_FALSE)) {
slouken@8582
  1425
            flags &= ~SDL_WINDOW_ALLOW_HIGHDPI;
slouken@8582
  1426
        }
slouken@8582
  1427
    }
slouken@8582
  1428
slouken@8582
  1429
    window = (SDL_Window *)SDL_calloc(1, sizeof(*window));
slouken@8582
  1430
    if (!window) {
slouken@8582
  1431
        SDL_OutOfMemory();
slouken@8582
  1432
        return NULL;
slouken@8582
  1433
    }
slouken@8582
  1434
    window->magic = &_this->window_magic;
slouken@8582
  1435
    window->id = _this->next_object_id++;
slouken@8582
  1436
    window->x = x;
slouken@8582
  1437
    window->y = y;
slouken@8582
  1438
    window->w = w;
slouken@8582
  1439
    window->h = h;
slouken@8582
  1440
    if (SDL_WINDOWPOS_ISUNDEFINED(x) || SDL_WINDOWPOS_ISUNDEFINED(y) ||
slouken@8582
  1441
        SDL_WINDOWPOS_ISCENTERED(x) || SDL_WINDOWPOS_ISCENTERED(y)) {
slouken@8582
  1442
        SDL_VideoDisplay *display = SDL_GetDisplayForWindow(window);
slouken@8582
  1443
        int displayIndex;
slouken@8582
  1444
        SDL_Rect bounds;
slouken@8582
  1445
slouken@8582
  1446
        displayIndex = SDL_GetIndexOfDisplay(display);
slouken@8582
  1447
        SDL_GetDisplayBounds(displayIndex, &bounds);
slouken@8582
  1448
        if (SDL_WINDOWPOS_ISUNDEFINED(x) || SDL_WINDOWPOS_ISCENTERED(x)) {
slouken@8582
  1449
            window->x = bounds.x + (bounds.w - w) / 2;
slouken@8582
  1450
        }
slouken@8582
  1451
        if (SDL_WINDOWPOS_ISUNDEFINED(y) || SDL_WINDOWPOS_ISCENTERED(y)) {
slouken@8582
  1452
            window->y = bounds.y + (bounds.h - h) / 2;
slouken@8582
  1453
        }
slouken@8582
  1454
    }
slouken@10056
  1455
    window->windowed.x = window->x;
slouken@10056
  1456
    window->windowed.y = window->y;
slouken@10056
  1457
    window->windowed.w = window->w;
slouken@10056
  1458
    window->windowed.h = window->h;
slouken@10056
  1459
slouken@10056
  1460
    if (flags & SDL_WINDOW_FULLSCREEN) {
slouken@10056
  1461
        SDL_VideoDisplay *display = SDL_GetDisplayForWindow(window);
slouken@10056
  1462
        int displayIndex;
slouken@10056
  1463
        SDL_Rect bounds;
slouken@10056
  1464
slouken@10056
  1465
        displayIndex = SDL_GetIndexOfDisplay(display);
slouken@10056
  1466
        SDL_GetDisplayBounds(displayIndex, &bounds);
slouken@10056
  1467
slouken@10056
  1468
        window->x = bounds.x;
slouken@10056
  1469
        window->y = bounds.y;
slouken@10056
  1470
        window->w = bounds.w;
slouken@10056
  1471
        window->h = bounds.h;
slouken@10056
  1472
    }
slouken@10056
  1473
slouken@8582
  1474
    window->flags = ((flags & CREATE_FLAGS) | SDL_WINDOW_HIDDEN);
jorgen@8110
  1475
    window->last_fullscreen_flags = window->flags;
icculus@10025
  1476
    window->opacity = 1.0f;
slouken@8582
  1477
    window->brightness = 1.0f;
slouken@8582
  1478
    window->next = _this->windows;
jorgen@8112
  1479
    window->is_destroying = SDL_FALSE;
slouken@8582
  1480
slouken@8582
  1481
    if (_this->windows) {
slouken@8582
  1482
        _this->windows->prev = window;
slouken@8582
  1483
    }
slouken@8582
  1484
    _this->windows = window;
slouken@8582
  1485
slouken@8582
  1486
    if (_this->CreateWindow && _this->CreateWindow(_this, window) < 0) {
slouken@8582
  1487
        SDL_DestroyWindow(window);
slouken@8582
  1488
        return NULL;
slouken@8582
  1489
    }
slouken@8582
  1490
dludwig@9931
  1491
#if __WINRT__ && (NTDDI_VERSION < NTDDI_WIN10)
dludwig@9924
  1492
    /* HACK: WinRT 8.x apps can't choose whether or not they are fullscreen
dludwig@9924
  1493
       or not.  The user can choose this, via OS-provided UI, but this can't
dludwig@9924
  1494
       be set programmatically.
dludwig@9924
  1495
dludwig@9924
  1496
       Just look at what SDL's WinRT video backend code detected with regards
dludwig@9924
  1497
       to fullscreen (being active, or not), and figure out a return/error code
dludwig@9924
  1498
       from that.
dludwig@9924
  1499
    */
dludwig@9924
  1500
    flags = window->flags;
dludwig@9924
  1501
#endif
dludwig@9924
  1502
slouken@8582
  1503
    if (title) {
slouken@8582
  1504
        SDL_SetWindowTitle(window, title);
slouken@8582
  1505
    }
slouken@8582
  1506
    SDL_FinishWindowCreation(window, flags);
slouken@8582
  1507
slouken@8582
  1508
    /* If the window was created fullscreen, make sure the mode code matches */
slouken@8582
  1509
    SDL_UpdateFullscreenMode(window, FULLSCREEN_VISIBLE(window));
slouken@8582
  1510
slouken@8582
  1511
    return window;
slouken@8582
  1512
}
slouken@8582
  1513
slouken@8582
  1514
SDL_Window *
slouken@8582
  1515
SDL_CreateWindowFrom(const void *data)
slouken@8582
  1516
{
slouken@8582
  1517
    SDL_Window *window;
slouken@8582
  1518
slouken@8582
  1519
    if (!_this) {
slouken@8582
  1520
        SDL_UninitializedVideo();
slouken@8582
  1521
        return NULL;
slouken@8582
  1522
    }
slouken@9163
  1523
    if (!_this->CreateWindowFrom) {
slouken@9163
  1524
        SDL_Unsupported();
slouken@9163
  1525
        return NULL;
slouken@9163
  1526
    }
slouken@8582
  1527
    window = (SDL_Window *)SDL_calloc(1, sizeof(*window));
slouken@8582
  1528
    if (!window) {
slouken@8582
  1529
        SDL_OutOfMemory();
slouken@8582
  1530
        return NULL;
slouken@8582
  1531
    }
slouken@8582
  1532
    window->magic = &_this->window_magic;
slouken@8582
  1533
    window->id = _this->next_object_id++;
slouken@8582
  1534
    window->flags = SDL_WINDOW_FOREIGN;
jorgen@8110
  1535
    window->last_fullscreen_flags = window->flags;
jorgen@8112
  1536
    window->is_destroying = SDL_FALSE;
icculus@10025
  1537
    window->opacity = 1.0f;
slouken@8582
  1538
    window->brightness = 1.0f;
slouken@8582
  1539
    window->next = _this->windows;
slouken@8582
  1540
    if (_this->windows) {
slouken@8582
  1541
        _this->windows->prev = window;
slouken@8582
  1542
    }
slouken@8582
  1543
    _this->windows = window;
slouken@8582
  1544
slouken@9163
  1545
    if (_this->CreateWindowFrom(_this, window, data) < 0) {
slouken@8582
  1546
        SDL_DestroyWindow(window);
slouken@8582
  1547
        return NULL;
slouken@8582
  1548
    }
slouken@8582
  1549
    return window;
slouken@8582
  1550
}
slouken@8582
  1551
slouken@8582
  1552
int
slouken@8582
  1553
SDL_RecreateWindow(SDL_Window * window, Uint32 flags)
slouken@8582
  1554
{
slouken@8906
  1555
    SDL_bool loaded_opengl = SDL_FALSE;
slouken@8582
  1556
slouken@8582
  1557
    if ((flags & SDL_WINDOW_OPENGL) && !_this->GL_CreateContext) {
slouken@8582
  1558
        return SDL_SetError("No OpenGL support in video driver");
slouken@8582
  1559
    }
slouken@8582
  1560
slouken@8582
  1561
    if (window->flags & SDL_WINDOW_FOREIGN) {
slouken@8582
  1562
        /* Can't destroy and re-create foreign windows, hrm */
slouken@8582
  1563
        flags |= SDL_WINDOW_FOREIGN;
slouken@8582
  1564
    } else {
slouken@8582
  1565
        flags &= ~SDL_WINDOW_FOREIGN;
slouken@8582
  1566
    }
slouken@8582
  1567
slouken@8582
  1568
    /* Restore video mode, etc. */
slouken@8582
  1569
    SDL_HideWindow(window);
slouken@8582
  1570
slouken@8582
  1571
    /* Tear down the old native window */
slouken@8582
  1572
    if (window->surface) {
slouken@8582
  1573
        window->surface->flags &= ~SDL_DONTFREE;
slouken@8582
  1574
        SDL_FreeSurface(window->surface);
philipp@9988
  1575
        window->surface = NULL;
slouken@8582
  1576
    }
slouken@8582
  1577
    if (_this->DestroyWindowFramebuffer) {
slouken@8582
  1578
        _this->DestroyWindowFramebuffer(_this, window);
slouken@8582
  1579
    }
slouken@8582
  1580
    if (_this->DestroyWindow && !(flags & SDL_WINDOW_FOREIGN)) {
slouken@8582
  1581
        _this->DestroyWindow(_this, window);
slouken@8582
  1582
    }
slouken@8582
  1583
slouken@8582
  1584
    if ((window->flags & SDL_WINDOW_OPENGL) != (flags & SDL_WINDOW_OPENGL)) {
slouken@8582
  1585
        if (flags & SDL_WINDOW_OPENGL) {
slouken@8582
  1586
            if (SDL_GL_LoadLibrary(NULL) < 0) {
slouken@8582
  1587
                return -1;
slouken@8582
  1588
            }
slouken@8906
  1589
            loaded_opengl = SDL_TRUE;
slouken@8582
  1590
        } else {
slouken@8582
  1591
            SDL_GL_UnloadLibrary();
slouken@8582
  1592
        }
slouken@8582
  1593
    }
slouken@8582
  1594
icculus@11365
  1595
    if ((window->flags & SDL_WINDOW_VULKAN) != (flags & SDL_WINDOW_VULKAN)) {
icculus@11365
  1596
        SDL_SetError("Can't change SDL_WINDOW_VULKAN window flag");
icculus@11365
  1597
        return -1;
icculus@11365
  1598
    }
icculus@11365
  1599
icculus@11365
  1600
    if ((window->flags & SDL_WINDOW_VULKAN) && (flags & SDL_WINDOW_OPENGL)) {
icculus@11365
  1601
        SDL_SetError("Vulkan and OpenGL not supported on same window");
icculus@11365
  1602
        return -1;
icculus@11365
  1603
    }
icculus@11365
  1604
slouken@8582
  1605
    window->flags = ((flags & CREATE_FLAGS) | SDL_WINDOW_HIDDEN);
jorgen@8110
  1606
    window->last_fullscreen_flags = window->flags;
jorgen@8112
  1607
    window->is_destroying = SDL_FALSE;
slouken@8582
  1608
slouken@8582
  1609
    if (_this->CreateWindow && !(flags & SDL_WINDOW_FOREIGN)) {
slouken@8582
  1610
        if (_this->CreateWindow(_this, window) < 0) {
slouken@8906
  1611
            if (loaded_opengl) {
slouken@8582
  1612
                SDL_GL_UnloadLibrary();
slouken@8906
  1613
                window->flags &= ~SDL_WINDOW_OPENGL;
slouken@8582
  1614
            }
slouken@8582
  1615
            return -1;
slouken@8582
  1616
        }
slouken@8582
  1617
    }
slouken@9776
  1618
slouken@8708
  1619
    if (flags & SDL_WINDOW_FOREIGN) {
slouken@8708
  1620
        window->flags |= SDL_WINDOW_FOREIGN;
slouken@8708
  1621
    }
slouken@8582
  1622
slouken@9776
  1623
    if (_this->SetWindowTitle && window->title) {
slouken@9776
  1624
        _this->SetWindowTitle(_this, window);
slouken@8582
  1625
    }
slouken@9776
  1626
slouken@9776
  1627
    if (_this->SetWindowIcon && window->icon) {
slouken@9776
  1628
        _this->SetWindowIcon(_this, window, window->icon);
slouken@8582
  1629
    }
icculus@8931
  1630
icculus@8953
  1631
    if (window->hit_test) {
icculus@8935
  1632
        _this->SetWindowHitTest(window, SDL_TRUE);
icculus@8931
  1633
    }
icculus@8931
  1634
slouken@8582
  1635
    SDL_FinishWindowCreation(window, flags);
slouken@8582
  1636
slouken@8582
  1637
    return 0;
slouken@8582
  1638
}
slouken@8582
  1639
slouken@11255
  1640
SDL_bool
slime73@11305
  1641
SDL_HasWindows(void)
slouken@11255
  1642
{
slouken@11255
  1643
    return (_this && _this->windows != NULL);
slouken@11255
  1644
}
slouken@11255
  1645
slouken@8582
  1646
Uint32
slouken@8582
  1647
SDL_GetWindowID(SDL_Window * window)
slouken@8582
  1648
{
slouken@8582
  1649
    CHECK_WINDOW_MAGIC(window, 0);
slouken@8582
  1650
slouken@8582
  1651
    return window->id;
slouken@8582
  1652
}
slouken@8582
  1653
slouken@8582
  1654
SDL_Window *
slouken@8582
  1655
SDL_GetWindowFromID(Uint32 id)
slouken@8582
  1656
{
slouken@8582
  1657
    SDL_Window *window;
slouken@8582
  1658
slouken@8582
  1659
    if (!_this) {
slouken@8582
  1660
        return NULL;
slouken@8582
  1661
    }
slouken@8582
  1662
    for (window = _this->windows; window; window = window->next) {
slouken@8582
  1663
        if (window->id == id) {
slouken@8582
  1664
            return window;
slouken@8582
  1665
        }
slouken@8582
  1666
    }
slouken@8582
  1667
    return NULL;
slouken@8582
  1668
}
slouken@8582
  1669
slouken@8582
  1670
Uint32
slouken@8582
  1671
SDL_GetWindowFlags(SDL_Window * window)
slouken@8582
  1672
{
slouken@8582
  1673
    CHECK_WINDOW_MAGIC(window, 0);
slouken@8582
  1674
slouken@8582
  1675
    return window->flags;
slouken@8582
  1676
}
slouken@8582
  1677
slouken@8582
  1678
void
slouken@8582
  1679
SDL_SetWindowTitle(SDL_Window * window, const char *title)
slouken@8582
  1680
{
slouken@8818
  1681
    CHECK_WINDOW_MAGIC(window,);
slouken@8582
  1682
slouken@8582
  1683
    if (title == window->title) {
slouken@8582
  1684
        return;
slouken@8582
  1685
    }
slouken@8582
  1686
    SDL_free(window->title);
icculus@9474
  1687
icculus@9474
  1688
    window->title = SDL_strdup(title ? title : "");
slouken@8582
  1689
slouken@8582
  1690
    if (_this->SetWindowTitle) {
slouken@8582
  1691
        _this->SetWindowTitle(_this, window);
slouken@8582
  1692
    }
slouken@8582
  1693
}
slouken@8582
  1694
slouken@8582
  1695
const char *
slouken@8582
  1696
SDL_GetWindowTitle(SDL_Window * window)
slouken@8582
  1697
{
slouken@8582
  1698
    CHECK_WINDOW_MAGIC(window, "");
slouken@8582
  1699
slouken@8582
  1700
    return window->title ? window->title : "";
slouken@8582
  1701
}
slouken@8582
  1702
slouken@8582
  1703
void
slouken@8582
  1704
SDL_SetWindowIcon(SDL_Window * window, SDL_Surface * icon)
slouken@8582
  1705
{
slouken@8818
  1706
    CHECK_WINDOW_MAGIC(window,);
slouken@8582
  1707
slouken@8582
  1708
    if (!icon) {
slouken@8582
  1709
        return;
slouken@8582
  1710
    }
slouken@8582
  1711
slouken@8582
  1712
    SDL_FreeSurface(window->icon);
slouken@8582
  1713
slouken@8582
  1714
    /* Convert the icon into ARGB8888 */
slouken@8582
  1715
    window->icon = SDL_ConvertSurfaceFormat(icon, SDL_PIXELFORMAT_ARGB8888, 0);
slouken@8582
  1716
    if (!window->icon) {
slouken@8582
  1717
        return;
slouken@8582
  1718
    }
slouken@8582
  1719
slouken@8582
  1720
    if (_this->SetWindowIcon) {
slouken@8582
  1721
        _this->SetWindowIcon(_this, window, window->icon);
slouken@8582
  1722
    }
slouken@8582
  1723
}
slouken@8582
  1724
slouken@8582
  1725
void*
slouken@8582
  1726
SDL_SetWindowData(SDL_Window * window, const char *name, void *userdata)
slouken@8582
  1727
{
slouken@8582
  1728
    SDL_WindowUserData *prev, *data;
slouken@8582
  1729
slouken@8582
  1730
    CHECK_WINDOW_MAGIC(window, NULL);
slouken@8582
  1731
slouken@8582
  1732
    /* Input validation */
slouken@8582
  1733
    if (name == NULL || name[0] == '\0') {
slouken@8582
  1734
      SDL_InvalidParamError("name");
slouken@8582
  1735
      return NULL;
slouken@8582
  1736
    }
slouken@8582
  1737
slouken@8582
  1738
    /* See if the named data already exists */
slouken@8582
  1739
    prev = NULL;
slouken@8582
  1740
    for (data = window->data; data; prev = data, data = data->next) {
slouken@8582
  1741
        if (data->name && SDL_strcmp(data->name, name) == 0) {
slouken@8582
  1742
            void *last_value = data->data;
slouken@8582
  1743
slouken@8582
  1744
            if (userdata) {
slouken@8582
  1745
                /* Set the new value */
slouken@8582
  1746
                data->data = userdata;
slouken@8582
  1747
            } else {
slouken@8582
  1748
                /* Delete this value */
slouken@8582
  1749
                if (prev) {
slouken@8582
  1750
                    prev->next = data->next;
slouken@8582
  1751
                } else {
slouken@8582
  1752
                    window->data = data->next;
slouken@8582
  1753
                }
slouken@8582
  1754
                SDL_free(data->name);
slouken@8582
  1755
                SDL_free(data);
slouken@8582
  1756
            }
slouken@8582
  1757
            return last_value;
slouken@8582
  1758
        }
slouken@8582
  1759
    }
slouken@8582
  1760
slouken@8582
  1761
    /* Add new data to the window */
slouken@8582
  1762
    if (userdata) {
slouken@8582
  1763
        data = (SDL_WindowUserData *)SDL_malloc(sizeof(*data));
slouken@8582
  1764
        data->name = SDL_strdup(name);
slouken@8582
  1765
        data->data = userdata;
slouken@8582
  1766
        data->next = window->data;
slouken@8582
  1767
        window->data = data;
slouken@8582
  1768
    }
slouken@8582
  1769
    return NULL;
slouken@8582
  1770
}
slouken@8582
  1771
slouken@8582
  1772
void *
slouken@8582
  1773
SDL_GetWindowData(SDL_Window * window, const char *name)
slouken@8582
  1774
{
slouken@8582
  1775
    SDL_WindowUserData *data;
slouken@8582
  1776
slouken@8582
  1777
    CHECK_WINDOW_MAGIC(window, NULL);
slouken@8582
  1778
slouken@8582
  1779
    /* Input validation */
slouken@8582
  1780
    if (name == NULL || name[0] == '\0') {
slouken@8582
  1781
      SDL_InvalidParamError("name");
slouken@8582
  1782
      return NULL;
slouken@8582
  1783
    }
slouken@8582
  1784
slouken@8582
  1785
    for (data = window->data; data; data = data->next) {
slouken@8582
  1786
        if (data->name && SDL_strcmp(data->name, name) == 0) {
slouken@8582
  1787
            return data->data;
slouken@8582
  1788
        }
slouken@8582
  1789
    }
slouken@8582
  1790
    return NULL;
slouken@8582
  1791
}
slouken@8582
  1792
slouken@8582
  1793
void
slouken@8582
  1794
SDL_SetWindowPosition(SDL_Window * window, int x, int y)
slouken@8582
  1795
{
slouken@8818
  1796
    CHECK_WINDOW_MAGIC(window,);
slouken@8582
  1797
slouken@8582
  1798
    if (SDL_WINDOWPOS_ISCENTERED(x) || SDL_WINDOWPOS_ISCENTERED(y)) {
urkle@9363
  1799
        int displayIndex = (x & 0xFFFF);
slouken@8582
  1800
        SDL_Rect bounds;
slouken@10732
  1801
        if (displayIndex >= _this->num_displays) {
urkle@9363
  1802
            displayIndex = 0;
urkle@9363
  1803
        }
slouken@8582
  1804
icculus@8655
  1805
        SDL_zero(bounds);
icculus@8655
  1806
slouken@8582
  1807
        SDL_GetDisplayBounds(displayIndex, &bounds);
slouken@8582
  1808
        if (SDL_WINDOWPOS_ISCENTERED(x)) {
slouken@8582
  1809
            x = bounds.x + (bounds.w - window->w) / 2;
slouken@8582
  1810
        }
slouken@8582
  1811
        if (SDL_WINDOWPOS_ISCENTERED(y)) {
slouken@8582
  1812
            y = bounds.y + (bounds.h - window->h) / 2;
slouken@8582
  1813
        }
slouken@8582
  1814
    }
slouken@8582
  1815
slouken@8582
  1816
    if ((window->flags & SDL_WINDOW_FULLSCREEN)) {
slouken@8582
  1817
        if (!SDL_WINDOWPOS_ISUNDEFINED(x)) {
slouken@8582
  1818
            window->windowed.x = x;
slouken@8582
  1819
        }
slouken@8582
  1820
        if (!SDL_WINDOWPOS_ISUNDEFINED(y)) {
slouken@8582
  1821
            window->windowed.y = y;
slouken@8582
  1822
        }
slouken@8582
  1823
    } else {
slouken@8582
  1824
        if (!SDL_WINDOWPOS_ISUNDEFINED(x)) {
slouken@8582
  1825
            window->x = x;
slouken@8582
  1826
        }
slouken@8582
  1827
        if (!SDL_WINDOWPOS_ISUNDEFINED(y)) {
slouken@8582
  1828
            window->y = y;
slouken@8582
  1829
        }
slouken@8582
  1830
slouken@8582
  1831
        if (_this->SetWindowPosition) {
slouken@8582
  1832
            _this->SetWindowPosition(_this, window);
slouken@8582
  1833
        }
slouken@8582
  1834
        SDL_SendWindowEvent(window, SDL_WINDOWEVENT_MOVED, x, y);
slouken@8582
  1835
    }
slouken@8582
  1836
}
slouken@8582
  1837
slouken@8582
  1838
void
slouken@8582
  1839
SDL_GetWindowPosition(SDL_Window * window, int *x, int *y)
slouken@8582
  1840
{
slouken@8818
  1841
    CHECK_WINDOW_MAGIC(window,);
slouken@8582
  1842
slouken@8582
  1843
    /* Fullscreen windows are always at their display's origin */
slouken@8582
  1844
    if (window->flags & SDL_WINDOW_FULLSCREEN) {
alfred@9818
  1845
        int displayIndex;
alfred@9818
  1846
        
slouken@8582
  1847
        if (x) {
slouken@8582
  1848
            *x = 0;
slouken@8582
  1849
        }
slouken@8582
  1850
        if (y) {
slouken@8582
  1851
            *y = 0;
slouken@8582
  1852
        }
alfred@9818
  1853
alfred@9818
  1854
        /* Find the window's monitor and update to the
alfred@9818
  1855
           monitor offset. */
alfred@9818
  1856
        displayIndex = SDL_GetWindowDisplayIndex(window);
alfred@9818
  1857
        if (displayIndex >= 0) {
alfred@9818
  1858
            SDL_Rect bounds;
alfred@9818
  1859
alfred@9818
  1860
            SDL_zero(bounds);
alfred@9818
  1861
alfred@9818
  1862
            SDL_GetDisplayBounds(displayIndex, &bounds);
alfred@9818
  1863
            if (x) {
alfred@9818
  1864
                *x = bounds.x;
alfred@9818
  1865
            }
alfred@9818
  1866
            if (y) {
alfred@9818
  1867
                *y = bounds.y;
alfred@9818
  1868
            }
alfred@9818
  1869
        }
slouken@8582
  1870
    } else {
slouken@8582
  1871
        if (x) {
slouken@8582
  1872
            *x = window->x;
slouken@8582
  1873
        }
slouken@8582
  1874
        if (y) {
slouken@8582
  1875
            *y = window->y;
slouken@8582
  1876
        }
slouken@8582
  1877
    }
slouken@8582
  1878
}
slouken@8582
  1879
slouken@8582
  1880
void
slouken@8582
  1881
SDL_SetWindowBordered(SDL_Window * window, SDL_bool bordered)
slouken@8582
  1882
{
slouken@8818
  1883
    CHECK_WINDOW_MAGIC(window,);
slouken@8582
  1884
    if (!(window->flags & SDL_WINDOW_FULLSCREEN)) {
slouken@8582
  1885
        const int want = (bordered != SDL_FALSE);  /* normalize the flag. */
slouken@8582
  1886
        const int have = ((window->flags & SDL_WINDOW_BORDERLESS) == 0);
slouken@8582
  1887
        if ((want != have) && (_this->SetWindowBordered)) {
slouken@8582
  1888
            if (want) {
slouken@8582
  1889
                window->flags &= ~SDL_WINDOW_BORDERLESS;
slouken@8582
  1890
            } else {
slouken@8582
  1891
                window->flags |= SDL_WINDOW_BORDERLESS;
slouken@8582
  1892
            }
slouken@8582
  1893
            _this->SetWindowBordered(_this, window, (SDL_bool) want);
slouken@8582
  1894
        }
slouken@8582
  1895
    }
slouken@8582
  1896
}
slouken@8582
  1897
slouken@8582
  1898
void
icculus@10385
  1899
SDL_SetWindowResizable(SDL_Window * window, SDL_bool resizable)
icculus@10385
  1900
{
icculus@10385
  1901
    CHECK_WINDOW_MAGIC(window,);
icculus@10385
  1902
    if (!(window->flags & SDL_WINDOW_FULLSCREEN)) {
icculus@10385
  1903
        const int want = (resizable != SDL_FALSE);  /* normalize the flag. */
icculus@10385
  1904
        const int have = ((window->flags & SDL_WINDOW_RESIZABLE) != 0);
icculus@10385
  1905
        if ((want != have) && (_this->SetWindowResizable)) {
icculus@10385
  1906
            if (want) {
icculus@10385
  1907
                window->flags |= SDL_WINDOW_RESIZABLE;
icculus@10385
  1908
            } else {
icculus@10385
  1909
                window->flags &= ~SDL_WINDOW_RESIZABLE;
icculus@10385
  1910
            }
icculus@10385
  1911
            _this->SetWindowResizable(_this, window, (SDL_bool) want);
icculus@10385
  1912
        }
icculus@10385
  1913
    }
icculus@10385
  1914
}
icculus@10385
  1915
icculus@10385
  1916
void
slouken@8582
  1917
SDL_SetWindowSize(SDL_Window * window, int w, int h)
slouken@8582
  1918
{
slouken@8818
  1919
    CHECK_WINDOW_MAGIC(window,);
slouken@8582
  1920
    if (w <= 0) {
slouken@8582
  1921
        SDL_InvalidParamError("w");
slouken@8582
  1922
        return;
slouken@8582
  1923
    }
slouken@8582
  1924
    if (h <= 0) {
slouken@8582
  1925
        SDL_InvalidParamError("h");
slouken@8582
  1926
        return;
slouken@8582
  1927
    }
slouken@8582
  1928
slouken@8582
  1929
    /* Make sure we don't exceed any window size limits */
slouken@8582
  1930
    if (window->min_w && w < window->min_w)
slouken@8582
  1931
    {
slouken@8582
  1932
        w = window->min_w;
slouken@8582
  1933
    }
slouken@8582
  1934
    if (window->max_w && w > window->max_w)
slouken@8582
  1935
    {
slouken@8582
  1936
        w = window->max_w;
slouken@8582
  1937
    }
slouken@8582
  1938
    if (window->min_h && h < window->min_h)
slouken@8582
  1939
    {
slouken@8582
  1940
        h = window->min_h;
slouken@8582
  1941
    }
slouken@8582
  1942
    if (window->max_h && h > window->max_h)
slouken@8582
  1943
    {
slouken@8582
  1944
        h = window->max_h;
slouken@8582
  1945
    }
slouken@8582
  1946
slouken@8823
  1947
    window->windowed.w = w;
slouken@8823
  1948
    window->windowed.h = h;
slouken@8823
  1949
slouken@8582
  1950
    if (window->flags & SDL_WINDOW_FULLSCREEN) {
slouken@8818
  1951
        if (FULLSCREEN_VISIBLE(window) && (window->flags & SDL_WINDOW_FULLSCREEN_DESKTOP) != SDL_WINDOW_FULLSCREEN_DESKTOP) {
slouken@8823
  1952
            window->last_fullscreen_flags = 0;
slouken@8823
  1953
            SDL_UpdateFullscreenMode(window, SDL_TRUE);
slouken@8818
  1954
        }
slouken@8582
  1955
    } else {
slouken@8582
  1956
        window->w = w;
slouken@8582
  1957
        window->h = h;
slouken@8582
  1958
        if (_this->SetWindowSize) {
slouken@8582
  1959
            _this->SetWindowSize(_this, window);
slouken@8582
  1960
        }
slouken@8582
  1961
        if (window->w == w && window->h == h) {
slouken@8582
  1962
            /* We didn't get a SDL_WINDOWEVENT_RESIZED event (by design) */
slouken@8582
  1963
            SDL_OnWindowResized(window);
slouken@8582
  1964
        }
slouken@8582
  1965
    }
slouken@8582
  1966
}
slouken@8582
  1967
slouken@8582
  1968
void
slouken@8582
  1969
SDL_GetWindowSize(SDL_Window * window, int *w, int *h)
slouken@8582
  1970
{
slouken@8818
  1971
    CHECK_WINDOW_MAGIC(window,);
slouken@8582
  1972
    if (w) {
slouken@8582
  1973
        *w = window->w;
slouken@8582
  1974
    }
slouken@8582
  1975
    if (h) {
slouken@8582
  1976
        *h = window->h;
slouken@8582
  1977
    }
slouken@8582
  1978
}
slouken@8582
  1979
slouken@10860
  1980
int
slouken@10860
  1981
SDL_GetWindowBordersSize(SDL_Window * window, int *top, int *left, int *bottom, int *right)
slouken@10860
  1982
{
slouken@10860
  1983
    int dummy = 0;
slouken@10860
  1984
slouken@10860
  1985
    if (!top) { top = &dummy; }
slouken@10860
  1986
    if (!left) { left = &dummy; }
slouken@10860
  1987
    if (!right) { right = &dummy; }
slouken@10860
  1988
    if (!bottom) { bottom = &dummy; }
slouken@10860
  1989
slouken@10860
  1990
    /* Always initialize, so applications don't have to care */
slouken@10860
  1991
    *top = *left = *bottom = *right = 0;
slouken@10860
  1992
slouken@10860
  1993
    CHECK_WINDOW_MAGIC(window, -1);
slouken@10860
  1994
slouken@10860
  1995
    if (!_this->GetWindowBordersSize) {
slouken@10860
  1996
        return SDL_Unsupported();
slouken@10860
  1997
    }
slouken@10860
  1998
slouken@10860
  1999
    return _this->GetWindowBordersSize(_this, window, top, left, bottom, right);
slouken@10860
  2000
}
slouken@10860
  2001
slouken@8582
  2002
void
slouken@8582
  2003
SDL_SetWindowMinimumSize(SDL_Window * window, int min_w, int min_h)
slouken@8582
  2004
{
slouken@8818
  2005
    CHECK_WINDOW_MAGIC(window,);
slouken@8582
  2006
    if (min_w <= 0) {
slouken@8582
  2007
        SDL_InvalidParamError("min_w");
slouken@8582
  2008
        return;
slouken@8582
  2009
    }
slouken@8582
  2010
    if (min_h <= 0) {
slouken@8582
  2011
        SDL_InvalidParamError("min_h");
slouken@8582
  2012
        return;
slouken@8582
  2013
    }
slouken@8582
  2014
slouken@10871
  2015
    if ((window->max_w && min_w >= window->max_w) ||
slouken@10871
  2016
        (window->max_h && min_h >= window->max_h)) {
slouken@10860
  2017
        SDL_SetError("SDL_SetWindowMinimumSize(): Tried to set minimum size larger than maximum size");
slouken@10860
  2018
        return;
slouken@10860
  2019
    }
slouken@10860
  2020
slouken@10860
  2021
    window->min_w = min_w;
slouken@10860
  2022
    window->min_h = min_h;
slouken@10860
  2023
slouken@8582
  2024
    if (!(window->flags & SDL_WINDOW_FULLSCREEN)) {
slouken@8582
  2025
        if (_this->SetWindowMinimumSize) {
slouken@8582
  2026
            _this->SetWindowMinimumSize(_this, window);
slouken@8582
  2027
        }
slouken@8582
  2028
        /* Ensure that window is not smaller than minimal size */
slouken@8582
  2029
        SDL_SetWindowSize(window, SDL_max(window->w, window->min_w), SDL_max(window->h, window->min_h));
slouken@8582
  2030
    }
slouken@8582
  2031
}
slouken@8582
  2032
slouken@8582
  2033
void
slouken@8582
  2034
SDL_GetWindowMinimumSize(SDL_Window * window, int *min_w, int *min_h)
slouken@8582
  2035
{
slouken@8818
  2036
    CHECK_WINDOW_MAGIC(window,);
slouken@8582
  2037
    if (min_w) {
slouken@8582
  2038
        *min_w = window->min_w;
slouken@8582
  2039
    }
slouken@8582
  2040
    if (min_h) {
slouken@8582
  2041
        *min_h = window->min_h;
slouken@8582
  2042
    }
slouken@8582
  2043
}
slouken@8582
  2044
slouken@8582
  2045
void
slouken@8582
  2046
SDL_SetWindowMaximumSize(SDL_Window * window, int max_w, int max_h)
slouken@8582
  2047
{
slouken@8818
  2048
    CHECK_WINDOW_MAGIC(window,);
slouken@8582
  2049
    if (max_w <= 0) {
slouken@8582
  2050
        SDL_InvalidParamError("max_w");
slouken@8582
  2051
        return;
slouken@8582
  2052
    }
slouken@8582
  2053
    if (max_h <= 0) {
slouken@8582
  2054
        SDL_InvalidParamError("max_h");
slouken@8582
  2055
        return;
slouken@8582
  2056
    }
slouken@8582
  2057
slouken@10860
  2058
    if (max_w <= window->min_w || max_h <= window->min_h) {
slouken@10860
  2059
        SDL_SetError("SDL_SetWindowMaximumSize(): Tried to set maximum size smaller than minimum size");
slouken@10860
  2060
        return;
slouken@10860
  2061
    }
slouken@10860
  2062
slouken@10860
  2063
    window->max_w = max_w;
slouken@10860
  2064
    window->max_h = max_h;
slouken@10860
  2065
slouken@8582
  2066
    if (!(window->flags & SDL_WINDOW_FULLSCREEN)) {
slouken@8582
  2067
        if (_this->SetWindowMaximumSize) {
slouken@8582
  2068
            _this->SetWindowMaximumSize(_this, window);
slouken@8582
  2069
        }
slouken@8582
  2070
        /* Ensure that window is not larger than maximal size */
slouken@8582
  2071
        SDL_SetWindowSize(window, SDL_min(window->w, window->max_w), SDL_min(window->h, window->max_h));
slouken@8582
  2072
    }
slouken@8582
  2073
}
slouken@8582
  2074
slouken@8582
  2075
void
slouken@8582
  2076
SDL_GetWindowMaximumSize(SDL_Window * window, int *max_w, int *max_h)
slouken@8582
  2077
{
slouken@8818
  2078
    CHECK_WINDOW_MAGIC(window,);
slouken@8582
  2079
    if (max_w) {
slouken@8582
  2080
        *max_w = window->max_w;
slouken@8582
  2081
    }
slouken@8582
  2082
    if (max_h) {
slouken@8582
  2083
        *max_h = window->max_h;
slouken@8582
  2084
    }
slouken@8582
  2085
}
slouken@8582
  2086
slouken@8582
  2087
void
slouken@8582
  2088
SDL_ShowWindow(SDL_Window * window)
slouken@8582
  2089
{
slouken@8818
  2090
    CHECK_WINDOW_MAGIC(window,);
slouken@8582
  2091
slouken@8582
  2092
    if (window->flags & SDL_WINDOW_SHOWN) {
slouken@8582
  2093
        return;
slouken@8582
  2094
    }
slouken@8582
  2095
slouken@8582
  2096
    if (_this->ShowWindow) {
slouken@8582
  2097
        _this->ShowWindow(_this, window);
slouken@8582
  2098
    }
slouken@8582
  2099
    SDL_SendWindowEvent(window, SDL_WINDOWEVENT_SHOWN, 0, 0);
slouken@8582
  2100
}
slouken@8582
  2101
slouken@8582
  2102
void
slouken@8582
  2103
SDL_HideWindow(SDL_Window * window)
slouken@8582
  2104
{
slouken@8818
  2105
    CHECK_WINDOW_MAGIC(window,);
slouken@8582
  2106
slouken@8582
  2107
    if (!(window->flags & SDL_WINDOW_SHOWN)) {
slouken@8582
  2108
        return;
slouken@8582
  2109
    }
slouken@8582
  2110
alfred@9037
  2111
	window->is_hiding = SDL_TRUE;
slouken@8582
  2112
    SDL_UpdateFullscreenMode(window, SDL_FALSE);
slouken@8582
  2113
slouken@8582
  2114
    if (_this->HideWindow) {
slouken@8582
  2115
        _this->HideWindow(_this, window);
slouken@8582
  2116
    }
alfred@9037
  2117
	window->is_hiding = SDL_FALSE;
slouken@8582
  2118
    SDL_SendWindowEvent(window, SDL_WINDOWEVENT_HIDDEN, 0, 0);
slouken@8582
  2119
}
slouken@8582
  2120
slouken@8582
  2121
void
slouken@8582
  2122
SDL_RaiseWindow(SDL_Window * window)
slouken@8582
  2123
{
slouken@8818
  2124
    CHECK_WINDOW_MAGIC(window,);
slouken@8582
  2125
slouken@8582
  2126
    if (!(window->flags & SDL_WINDOW_SHOWN)) {
slouken@8582
  2127
        return;
slouken@8582
  2128
    }
slouken@8582
  2129
    if (_this->RaiseWindow) {
slouken@8582
  2130
        _this->RaiseWindow(_this, window);
slouken@8582
  2131
    }
slouken@8582
  2132
}
slouken@8582
  2133
slouken@8582
  2134
void
slouken@8582
  2135
SDL_MaximizeWindow(SDL_Window * window)
slouken@8582
  2136
{
slouken@8818
  2137
    CHECK_WINDOW_MAGIC(window,);
slouken@8582
  2138
slouken@8582
  2139
    if (window->flags & SDL_WINDOW_MAXIMIZED) {
slouken@8582
  2140
        return;
slouken@8582
  2141
    }
slouken@8582
  2142
slouken@8582
  2143
    /* !!! FIXME: should this check if the window is resizable? */
slouken@8582
  2144
slouken@8582
  2145
    if (_this->MaximizeWindow) {
slouken@8582
  2146
        _this->MaximizeWindow(_this, window);
slouken@8582
  2147
    }
slouken@8582
  2148
}
slouken@8582
  2149
slouken@8582
  2150
void
slouken@8582
  2151
SDL_MinimizeWindow(SDL_Window * window)
slouken@8582
  2152
{
slouken@8818
  2153
    CHECK_WINDOW_MAGIC(window,);
slouken@8582
  2154
slouken@8582
  2155
    if (window->flags & SDL_WINDOW_MINIMIZED) {
slouken@8582
  2156
        return;
slouken@8582
  2157
    }
slouken@8582
  2158
slouken@8582
  2159
    SDL_UpdateFullscreenMode(window, SDL_FALSE);
slouken@8582
  2160
slouken@8582
  2161
    if (_this->MinimizeWindow) {
slouken@8582
  2162
        _this->MinimizeWindow(_this, window);
slouken@8582
  2163
    }
slouken@8582
  2164
}
slouken@8582
  2165
slouken@8582
  2166
void
slouken@8582
  2167
SDL_RestoreWindow(SDL_Window * window)
slouken@8582
  2168
{
slouken@8818
  2169
    CHECK_WINDOW_MAGIC(window,);
slouken@8582
  2170
slouken@8582
  2171
    if (!(window->flags & (SDL_WINDOW_MAXIMIZED | SDL_WINDOW_MINIMIZED))) {
slouken@8582
  2172
        return;
slouken@8582
  2173
    }
slouken@8582
  2174
slouken@8582
  2175
    if (_this->RestoreWindow) {
slouken@8582
  2176
        _this->RestoreWindow(_this, window);
slouken@8582
  2177
    }
slouken@8582
  2178
}
slouken@8582
  2179
slouken@8582
  2180
int
slouken@8582
  2181
SDL_SetWindowFullscreen(SDL_Window * window, Uint32 flags)
slouken@8582
  2182
{
slouken@9905
  2183
    Uint32 oldflags;
slouken@8582
  2184
    CHECK_WINDOW_MAGIC(window, -1);
slouken@8582
  2185
slouken@8582
  2186
    flags &= FULLSCREEN_MASK;
slouken@8582
  2187
slouken@8818
  2188
    if (flags == (window->flags & FULLSCREEN_MASK)) {
slouken@8582
  2189
        return 0;
slouken@8582
  2190
    }
slouken@8582
  2191
slouken@8582
  2192
    /* clear the previous flags and OR in the new ones */
slouken@9905
  2193
    oldflags = window->flags & FULLSCREEN_MASK;
slouken@8582
  2194
    window->flags &= ~FULLSCREEN_MASK;
slouken@8582
  2195
    window->flags |= flags;
slouken@8582
  2196
slouken@9905
  2197
    if (SDL_UpdateFullscreenMode(window, FULLSCREEN_VISIBLE(window)) == 0) {
slouken@9905
  2198
        return 0;
slouken@9905
  2199
    }
slouken@9905
  2200
    
slouken@9905
  2201
    window->flags &= ~FULLSCREEN_MASK;
slouken@9905
  2202
    window->flags |= oldflags;
slouken@9905
  2203
    return -1;
slouken@8582
  2204
}
slouken@8582
  2205
slouken@8582
  2206
static SDL_Surface *
slouken@8582
  2207
SDL_CreateWindowFramebuffer(SDL_Window * window)
slouken@8582
  2208
{
slouken@8582
  2209
    Uint32 format;
slouken@8582
  2210
    void *pixels;
slouken@8582
  2211
    int pitch;
slouken@8582
  2212
    int bpp;
slouken@8582
  2213
    Uint32 Rmask, Gmask, Bmask, Amask;
slouken@8582
  2214
slouken@8582
  2215
    if (!_this->CreateWindowFramebuffer || !_this->UpdateWindowFramebuffer) {
slouken@8582
  2216
        return NULL;
slouken@8582
  2217
    }
slouken@8582
  2218
slouken@8582
  2219
    if (_this->CreateWindowFramebuffer(_this, window, &format, &pixels, &pitch) < 0) {
slouken@8582
  2220
        return NULL;
slouken@8582
  2221
    }
slouken@8582
  2222
slouken@8582
  2223
    if (!SDL_PixelFormatEnumToMasks(format, &bpp, &Rmask, &Gmask, &Bmask, &Amask)) {
slouken@8582
  2224
        return NULL;
slouken@8582
  2225
    }
slouken@8582
  2226
slouken@8582
  2227
    return SDL_CreateRGBSurfaceFrom(pixels, window->w, window->h, bpp, pitch, Rmask, Gmask, Bmask, Amask);
slouken@8582
  2228
}
slouken@8582
  2229
slouken@8582
  2230
SDL_Surface *
slouken@8582
  2231
SDL_GetWindowSurface(SDL_Window * window)
slouken@8582
  2232
{
slouken@8582
  2233
    CHECK_WINDOW_MAGIC(window, NULL);
slouken@8582
  2234
slouken@8582
  2235
    if (!window->surface_valid) {
slouken@8582
  2236
        if (window->surface) {
slouken@8582
  2237
            window->surface->flags &= ~SDL_DONTFREE;
slouken@8582
  2238
            SDL_FreeSurface(window->surface);
slouken@8582
  2239
        }
slouken@8582
  2240
        window->surface = SDL_CreateWindowFramebuffer(window);
slouken@8582
  2241
        if (window->surface) {
slouken@8582
  2242
            window->surface_valid = SDL_TRUE;
slouken@8582
  2243
            window->surface->flags |= SDL_DONTFREE;
slouken@8582
  2244
        }
slouken@8582
  2245
    }
slouken@8582
  2246
    return window->surface;
slouken@8582
  2247
}
slouken@8582
  2248
slouken@8582
  2249
int
slouken@8582
  2250
SDL_UpdateWindowSurface(SDL_Window * window)
slouken@8582
  2251
{
slouken@8582
  2252
    SDL_Rect full_rect;
slouken@8582
  2253
slouken@8582
  2254
    CHECK_WINDOW_MAGIC(window, -1);
slouken@8582
  2255
slouken@8582
  2256
    full_rect.x = 0;
slouken@8582
  2257
    full_rect.y = 0;
slouken@8582
  2258
    full_rect.w = window->w;
slouken@8582
  2259
    full_rect.h = window->h;
slouken@8582
  2260
    return SDL_UpdateWindowSurfaceRects(window, &full_rect, 1);
slouken@8582
  2261
}
slouken@8582
  2262
slouken@8582
  2263
int
slouken@8582
  2264
SDL_UpdateWindowSurfaceRects(SDL_Window * window, const SDL_Rect * rects,
slouken@8582
  2265
                             int numrects)
slouken@8582
  2266
{
slouken@8582
  2267
    CHECK_WINDOW_MAGIC(window, -1);
slouken@8582
  2268
slouken@8582
  2269
    if (!window->surface_valid) {
slouken@8582
  2270
        return SDL_SetError("Window surface is invalid, please call SDL_GetWindowSurface() to get a new surface");
slouken@8582
  2271
    }
slouken@8582
  2272
slouken@8582
  2273
    return _this->UpdateWindowFramebuffer(_this, window, rects, numrects);
slouken@8582
  2274
}
slouken@8582
  2275
slouken@8582
  2276
int
slouken@8582
  2277
SDL_SetWindowBrightness(SDL_Window * window, float brightness)
slouken@8582
  2278
{
slouken@8582
  2279
    Uint16 ramp[256];
slouken@8582
  2280
    int status;
slouken@8582
  2281
slouken@8582
  2282
    CHECK_WINDOW_MAGIC(window, -1);
slouken@8582
  2283
slouken@8582
  2284
    SDL_CalculateGammaRamp(brightness, ramp);
slouken@8582
  2285
    status = SDL_SetWindowGammaRamp(window, ramp, ramp, ramp);
slouken@8582
  2286
    if (status == 0) {
slouken@8582
  2287
        window->brightness = brightness;
slouken@8582
  2288
    }
slouken@8582
  2289
    return status;
slouken@8582
  2290
}
slouken@8582
  2291
slouken@8582
  2292
float
slouken@8582
  2293
SDL_GetWindowBrightness(SDL_Window * window)
slouken@8582
  2294
{
slouken@8582
  2295
    CHECK_WINDOW_MAGIC(window, 1.0f);
slouken@8582
  2296
slouken@8582
  2297
    return window->brightness;
slouken@8582
  2298
}
slouken@8582
  2299
slouken@8582
  2300
int
icculus@10025
  2301
SDL_SetWindowOpacity(SDL_Window * window, float opacity)
icculus@10025
  2302
{
icculus@10025
  2303
    int retval;
icculus@10025
  2304
    CHECK_WINDOW_MAGIC(window, -1);
icculus@10025
  2305
icculus@10025
  2306
    if (!_this->SetWindowOpacity) {
icculus@10025
  2307
        return SDL_Unsupported();
icculus@10025
  2308
    }
icculus@10025
  2309
icculus@10025
  2310
    if (opacity < 0.0f) {
icculus@10025
  2311
        opacity = 0.0f;
icculus@10025
  2312
    } else if (opacity > 1.0f) {
icculus@10025
  2313
        opacity = 1.0f;
icculus@10025
  2314
    }
icculus@10025
  2315
icculus@10025
  2316
    retval = _this->SetWindowOpacity(_this, window, opacity);
icculus@10025
  2317
    if (retval == 0) {
icculus@10025
  2318
        window->opacity = opacity;
icculus@10025
  2319
    }
icculus@10025
  2320
icculus@10025
  2321
    return retval;
icculus@10025
  2322
}
icculus@10025
  2323
icculus@10025
  2324
int
icculus@10025
  2325
SDL_GetWindowOpacity(SDL_Window * window, float * out_opacity)
icculus@10025
  2326
{
icculus@10025
  2327
    CHECK_WINDOW_MAGIC(window, -1);
icculus@10025
  2328
icculus@10025
  2329
    if (out_opacity) {
icculus@10025
  2330
        *out_opacity = window->opacity;
icculus@10025
  2331
    }
icculus@10025
  2332
icculus@10025
  2333
    return 0;
icculus@10025
  2334
}
icculus@10025
  2335
icculus@10027
  2336
int
icculus@10027
  2337
SDL_SetWindowModalFor(SDL_Window * modal_window, SDL_Window * parent_window)
icculus@10027
  2338
{
icculus@10027
  2339
    CHECK_WINDOW_MAGIC(modal_window, -1);
icculus@10027
  2340
    CHECK_WINDOW_MAGIC(parent_window, -1);
icculus@10027
  2341
icculus@10027
  2342
    if (!_this->SetWindowModalFor) {
icculus@10027
  2343
        return SDL_Unsupported();
icculus@10027
  2344
    }
icculus@10027
  2345
    
icculus@10027
  2346
    return _this->SetWindowModalFor(_this, modal_window, parent_window);
icculus@10027
  2347
}
icculus@10027
  2348
icculus@10026
  2349
int 
icculus@10026
  2350
SDL_SetWindowInputFocus(SDL_Window * window)
icculus@10026
  2351
{
icculus@10026
  2352
    CHECK_WINDOW_MAGIC(window, -1);
icculus@10026
  2353
icculus@10026
  2354
    if (!_this->SetWindowInputFocus) {
icculus@10026
  2355
        return SDL_Unsupported();
icculus@10026
  2356
    }
icculus@10026
  2357
    
icculus@10026
  2358
    return _this->SetWindowInputFocus(_this, window);
icculus@10026
  2359
}
icculus@10026
  2360
icculus@10026
  2361
icculus@10025
  2362
int
slouken@8582
  2363
SDL_SetWindowGammaRamp(SDL_Window * window, const Uint16 * red,
slouken@8582
  2364
                                            const Uint16 * green,
slouken@8582
  2365
                                            const Uint16 * blue)
slouken@8582
  2366
{
slouken@8582
  2367
    CHECK_WINDOW_MAGIC(window, -1);
slouken@8582
  2368
slouken@8582
  2369
    if (!_this->SetWindowGammaRamp) {
slouken@8582
  2370
        return SDL_Unsupported();
slouken@8582
  2371
    }
slouken@8582
  2372
slouken@8582
  2373
    if (!window->gamma) {
slouken@8582
  2374
        if (SDL_GetWindowGammaRamp(window, NULL, NULL, NULL) < 0) {
slouken@8582
  2375
            return -1;
slouken@8582
  2376
        }
icculus@9546
  2377
        SDL_assert(window->gamma != NULL);
slouken@8582
  2378
    }
slouken@8582
  2379
slouken@8582
  2380
    if (red) {
slouken@8582
  2381
        SDL_memcpy(&window->gamma[0*256], red, 256*sizeof(Uint16));
slouken@8582
  2382
    }
slouken@8582
  2383
    if (green) {
slouken@8582
  2384
        SDL_memcpy(&window->gamma[1*256], green, 256*sizeof(Uint16));
slouken@8582
  2385
    }
slouken@8582
  2386
    if (blue) {
slouken@8582
  2387
        SDL_memcpy(&window->gamma[2*256], blue, 256*sizeof(Uint16));
slouken@8582
  2388
    }
slouken@8582
  2389
    if (window->flags & SDL_WINDOW_INPUT_FOCUS) {
slouken@8582
  2390
        return _this->SetWindowGammaRamp(_this, window, window->gamma);
slouken@8582
  2391
    } else {
slouken@8582
  2392
        return 0;
slouken@8582
  2393
    }
slouken@8582
  2394
}
slouken@8582
  2395
slouken@8582
  2396
int
slouken@8582
  2397
SDL_GetWindowGammaRamp(SDL_Window * window, Uint16 * red,
slouken@8582
  2398
                                            Uint16 * green,
slouken@8582
  2399
                                            Uint16 * blue)
slouken@8582
  2400
{
slouken@8582
  2401
    CHECK_WINDOW_MAGIC(window, -1);
slouken@8582
  2402
slouken@8582
  2403
    if (!window->gamma) {
slouken@8582
  2404
        int i;
slouken@8582
  2405
slouken@8582
  2406
        window->gamma = (Uint16 *)SDL_malloc(256*6*sizeof(Uint16));
slouken@8582
  2407
        if (!window->gamma) {
slouken@8582
  2408
            return SDL_OutOfMemory();
slouken@8582
  2409
        }
slouken@8582
  2410
        window->saved_gamma = window->gamma + 3*256;
slouken@8582
  2411
slouken@8582
  2412
        if (_this->GetWindowGammaRamp) {
slouken@8582
  2413
            if (_this->GetWindowGammaRamp(_this, window, window->gamma) < 0) {
slouken@8582
  2414
                return -1;
slouken@8582
  2415
            }
slouken@8582
  2416
        } else {
slouken@8582
  2417
            /* Create an identity gamma ramp */
slouken@8582
  2418
            for (i = 0; i < 256; ++i) {
slouken@8582
  2419
                Uint16 value = (Uint16)((i << 8) | i);
slouken@8582
  2420
slouken@8582
  2421
                window->gamma[0*256+i] = value;
slouken@8582
  2422
                window->gamma[1*256+i] = value;
slouken@8582
  2423
                window->gamma[2*256+i] = value;
slouken@8582
  2424
            }
slouken@8582
  2425
        }
slouken@8582
  2426
        SDL_memcpy(window->saved_gamma, window->gamma, 3*256*sizeof(Uint16));
slouken@8582
  2427
    }
slouken@8582
  2428
slouken@8582
  2429
    if (red) {
slouken@8582
  2430
        SDL_memcpy(red, &window->gamma[0*256], 256*sizeof(Uint16));
slouken@8582
  2431
    }
slouken@8582
  2432
    if (green) {
slouken@8582
  2433
        SDL_memcpy(green, &window->gamma[1*256], 256*sizeof(Uint16));
slouken@8582
  2434
    }
slouken@8582
  2435
    if (blue) {
slouken@8582
  2436
        SDL_memcpy(blue, &window->gamma[2*256], 256*sizeof(Uint16));
slouken@8582
  2437
    }
slouken@8582
  2438
    return 0;
slouken@8582
  2439
}
slouken@8582
  2440
slouken@8582
  2441
void
slouken@8582
  2442
SDL_UpdateWindowGrab(SDL_Window * window)
slouken@8582
  2443
{
slouken@9745
  2444
    SDL_Window *grabbed_window;
slouken@9745
  2445
    SDL_bool grabbed;
slouken@9745
  2446
    if ((SDL_GetMouse()->relative_mode || (window->flags & SDL_WINDOW_INPUT_GRABBED)) &&
slouken@9745
  2447
         (window->flags & SDL_WINDOW_INPUT_FOCUS)) {
slouken@9745
  2448
        grabbed = SDL_TRUE;
slouken@9745
  2449
    } else {
slouken@9745
  2450
        grabbed = SDL_FALSE;
slouken@9745
  2451
    }
slouken@9745
  2452
slouken@9745
  2453
    grabbed_window = _this->grabbed_window;
slouken@9745
  2454
    if (grabbed) {
slouken@9745
  2455
        if (grabbed_window && (grabbed_window != window)) {
slouken@9745
  2456
            /* stealing a grab from another window! */
slouken@9745
  2457
            grabbed_window->flags &= ~SDL_WINDOW_INPUT_GRABBED;
slouken@9745
  2458
            if (_this->SetWindowGrab) {
icculus@9447
  2459
                _this->SetWindowGrab(_this, grabbed_window, SDL_FALSE);
icculus@9447
  2460
            }
icculus@9447
  2461
        }
slouken@9745
  2462
        _this->grabbed_window = window;
slouken@9745
  2463
    } else if (grabbed_window == window) {
slouken@9745
  2464
        _this->grabbed_window = NULL;  /* ungrabbing. */
slouken@9745
  2465
    }
slouken@9745
  2466
slouken@9745
  2467
    if (_this->SetWindowGrab) {
slouken@8582
  2468
        _this->SetWindowGrab(_this, window, grabbed);
slouken@8582
  2469
    }
slouken@8582
  2470
}
slouken@8582
  2471
slouken@8582
  2472
void
slouken@8582
  2473
SDL_SetWindowGrab(SDL_Window * window, SDL_bool grabbed)
slouken@8582
  2474
{
slouken@8818
  2475
    CHECK_WINDOW_MAGIC(window,);
slouken@8582
  2476
slouken@8582
  2477
    if (!!grabbed == !!(window->flags & SDL_WINDOW_INPUT_GRABBED)) {
slouken@8582
  2478
        return;
slouken@8582
  2479
    }
slouken@8582
  2480
    if (grabbed) {
slouken@8582
  2481
        window->flags |= SDL_WINDOW_INPUT_GRABBED;
slouken@8582
  2482
    } else {
slouken@8582
  2483
        window->flags &= ~SDL_WINDOW_INPUT_GRABBED;
slouken@8582
  2484
    }
slouken@8582
  2485
    SDL_UpdateWindowGrab(window);
slouken@8582
  2486
}
slouken@8582
  2487
slouken@8582
  2488
SDL_bool
slouken@8582
  2489
SDL_GetWindowGrab(SDL_Window * window)
slouken@8582
  2490
{
slouken@8582
  2491
    CHECK_WINDOW_MAGIC(window, SDL_FALSE);
icculus@9447
  2492
    SDL_assert(!_this->grabbed_window || ((_this->grabbed_window->flags & SDL_WINDOW_INPUT_GRABBED) != 0));
icculus@9447
  2493
    return window == _this->grabbed_window;
icculus@9447
  2494
}
icculus@9447
  2495
icculus@9447
  2496
SDL_Window *
icculus@9447
  2497
SDL_GetGrabbedWindow(void)
icculus@9447
  2498
{
icculus@9447
  2499
    SDL_assert(!_this->grabbed_window || ((_this->grabbed_window->flags & SDL_WINDOW_INPUT_GRABBED) != 0));
icculus@9447
  2500
    return _this->grabbed_window;
slouken@8582
  2501
}
slouken@8582
  2502
slouken@8582
  2503
void
slouken@8582
  2504
SDL_OnWindowShown(SDL_Window * window)
slouken@8582
  2505
{
slouken@8582
  2506
    SDL_OnWindowRestored(window);
slouken@8582
  2507
}
slouken@8582
  2508
slouken@8582
  2509
void
slouken@8582
  2510
SDL_OnWindowHidden(SDL_Window * window)
slouken@8582
  2511
{
slouken@8582
  2512
    SDL_UpdateFullscreenMode(window, SDL_FALSE);
slouken@8582
  2513
}
slouken@8582
  2514
slouken@8582
  2515
void
slouken@8582
  2516
SDL_OnWindowResized(SDL_Window * window)
slouken@8582
  2517
{
slouken@8582
  2518
    window->surface_valid = SDL_FALSE;
slouken@8582
  2519
    SDL_SendWindowEvent(window, SDL_WINDOWEVENT_SIZE_CHANGED, window->w, window->h);
slouken@8582
  2520
}
slouken@8582
  2521
slouken@8582
  2522
void
slouken@8582
  2523
SDL_OnWindowMinimized(SDL_Window * window)
slouken@8582
  2524
{
slouken@8582
  2525
    SDL_UpdateFullscreenMode(window, SDL_FALSE);
slouken@8582
  2526
}
slouken@8582
  2527
slouken@8582
  2528
void
slouken@8582
  2529
SDL_OnWindowRestored(SDL_Window * window)
slouken@8582
  2530
{
pgriffais@8683
  2531
    /*
pgriffais@8683
  2532
     * FIXME: Is this fine to just remove this, or should it be preserved just
pgriffais@8683
  2533
     * for the fullscreen case? In principle it seems like just hiding/showing
pgriffais@8683
  2534
     * windows shouldn't affect the stacking order; maybe the right fix is to
pgriffais@8683
  2535
     * re-decouple OnWindowShown and OnWindowRestored.
pgriffais@8683
  2536
     */
icculus@8684
  2537
    /*SDL_RaiseWindow(window);*/
slouken@8582
  2538
slouken@8582
  2539
    if (FULLSCREEN_VISIBLE(window)) {
slouken@8582
  2540
        SDL_UpdateFullscreenMode(window, SDL_TRUE);
slouken@8582
  2541
    }
slouken@8582
  2542
}
slouken@8582
  2543
slouken@8582
  2544
void
slouken@8582
  2545
SDL_OnWindowEnter(SDL_Window * window)
slouken@8582
  2546
{
slouken@8582
  2547
    if (_this->OnWindowEnter) {
slouken@8582
  2548
        _this->OnWindowEnter(_this, window);
slouken@8582
  2549
    }
slouken@8582
  2550
}
slouken@8582
  2551
slouken@8582
  2552
void
slouken@8582
  2553
SDL_OnWindowLeave(SDL_Window * window)
slouken@8582
  2554
{
slouken@8582
  2555
}
slouken@8582
  2556
slouken@8582
  2557
void
slouken@8582
  2558
SDL_OnWindowFocusGained(SDL_Window * window)
slouken@8582
  2559
{
slouken@8582
  2560
    SDL_Mouse *mouse = SDL_GetMouse();
slouken@8582
  2561
slouken@8582
  2562
    if (window->gamma && _this->SetWindowGammaRamp) {
slouken@8582
  2563
        _this->SetWindowGammaRamp(_this, window, window->gamma);
slouken@8582
  2564
    }
slouken@8582
  2565
slouken@8582
  2566
    if (mouse && mouse->relative_mode) {
slouken@8582
  2567
        SDL_SetMouseFocus(window);
slouken@8582
  2568
        SDL_WarpMouseInWindow(window, window->w/2, window->h/2);
slouken@8582
  2569
    }
slouken@8582
  2570
slouken@8582
  2571
    SDL_UpdateWindowGrab(window);
slouken@8582
  2572
}
slouken@8582
  2573
slouken@8582
  2574
static SDL_bool
slouken@8582
  2575
ShouldMinimizeOnFocusLoss(SDL_Window * window)
slouken@8582
  2576
{
jorgen@8112
  2577
    if (!(window->flags & SDL_WINDOW_FULLSCREEN) || window->is_destroying) {
slouken@8582
  2578
        return SDL_FALSE;
slouken@8582
  2579
    }
slouken@8582
  2580
slouken@8582
  2581
#ifdef __MACOSX__
icculus@10781
  2582
    if (SDL_strcmp(_this->name, "cocoa") == 0) {  /* don't do this for X11, etc */
icculus@10781
  2583
        if (Cocoa_IsWindowInFullscreenSpace(window)) {
icculus@10781
  2584
            return SDL_FALSE;
icculus@10781
  2585
        }
slouken@8582
  2586
    }
slouken@8582
  2587
#endif
slouken@8582
  2588
slouken@10499
  2589
    return SDL_GetHintBoolean(SDL_HINT_VIDEO_MINIMIZE_ON_FOCUS_LOSS, SDL_TRUE);
slouken@8582
  2590
}
slouken@8582
  2591
slouken@8582
  2592
void
slouken@8582
  2593
SDL_OnWindowFocusLost(SDL_Window * window)
slouken@8582
  2594
{
slouken@8582
  2595
    if (window->gamma && _this->SetWindowGammaRamp) {
slouken@8582
  2596
        _this->SetWindowGammaRamp(_this, window, window->saved_gamma);
slouken@8582
  2597
    }
slouken@8582
  2598
slouken@8582
  2599
    SDL_UpdateWindowGrab(window);
slouken@8582
  2600
slouken@8582
  2601
    if (ShouldMinimizeOnFocusLoss(window)) {
slouken@8582
  2602
        SDL_MinimizeWindow(window);
slouken@8582
  2603
    }
slouken@8582
  2604
}
slouken@8582
  2605
icculus@8783
  2606
/* !!! FIXME: is this different than SDL_GetKeyboardFocus()?
icculus@8783
  2607
   !!! FIXME:  Also, SDL_GetKeyboardFocus() is O(1), this isn't. */
slouken@8582
  2608
SDL_Window *
slouken@8582
  2609
SDL_GetFocusWindow(void)
slouken@8582
  2610
{
slouken@8582
  2611
    SDL_Window *window;
slouken@8582
  2612
slouken@8582
  2613
    if (!_this) {
slouken@8582
  2614
        return NULL;
slouken@8582
  2615
    }
slouken@8582
  2616
    for (window = _this->windows; window; window = window->next) {
slouken@8582
  2617
        if (window->flags & SDL_WINDOW_INPUT_FOCUS) {
slouken@8582
  2618
            return window;
slouken@8582
  2619
        }
slouken@8582
  2620
    }
slouken@8582
  2621
    return NULL;
slouken@8582
  2622
}
slouken@8582
  2623
slouken@8582
  2624
void
slouken@8582
  2625
SDL_DestroyWindow(SDL_Window * window)
slouken@8582
  2626
{
slouken@8582
  2627
    SDL_VideoDisplay *display;
slouken@8582
  2628
slouken@8818
  2629
    CHECK_WINDOW_MAGIC(window,);
slouken@8582
  2630
jorgen@8112
  2631
    window->is_destroying = SDL_TRUE;
jorgen@8112
  2632
slouken@8582
  2633
    /* Restore video mode, etc. */
slouken@8582
  2634
    SDL_HideWindow(window);
slouken@8582
  2635
slouken@8582
  2636
    /* Make sure this window no longer has focus */
slouken@8582
  2637
    if (SDL_GetKeyboardFocus() == window) {
slouken@8582
  2638
        SDL_SetKeyboardFocus(NULL);
slouken@8582
  2639
    }
slouken@8582
  2640
    if (SDL_GetMouseFocus() == window) {
slouken@8582
  2641
        SDL_SetMouseFocus(NULL);
slouken@8582
  2642
    }
slouken@8582
  2643
slouken@8582
  2644
    /* make no context current if this is the current context window. */
slouken@8582
  2645
    if (window->flags & SDL_WINDOW_OPENGL) {
slouken@8582
  2646
        if (_this->current_glwin == window) {
slouken@8582
  2647
            SDL_GL_MakeCurrent(window, NULL);
slouken@8582
  2648
        }
slouken@8582
  2649
    }
slouken@8582
  2650
slouken@8582
  2651
    if (window->surface) {
slouken@8582
  2652
        window->surface->flags &= ~SDL_DONTFREE;
slouken@8582
  2653
        SDL_FreeSurface(window->surface);
slouken@8582
  2654
    }
slouken@8582
  2655
    if (_this->DestroyWindowFramebuffer) {
slouken@8582
  2656
        _this->DestroyWindowFramebuffer(_this, window);
slouken@8582
  2657
    }
slouken@8582
  2658
    if (_this->DestroyWindow) {
slouken@8582
  2659
        _this->DestroyWindow(_this, window);
slouken@8582
  2660
    }
slouken@8582
  2661
    if (window->flags & SDL_WINDOW_OPENGL) {
slouken@8582
  2662
        SDL_GL_UnloadLibrary();
slouken@8582
  2663
    }
icculus@11365
  2664
    if (window->flags & SDL_WINDOW_VULKAN) {
icculus@11365
  2665
        SDL_Vulkan_UnloadLibrary();
icculus@11365
  2666
    }
slouken@8582
  2667
slouken@8582
  2668
    display = SDL_GetDisplayForWindow(window);
slouken@8582
  2669
    if (display->fullscreen_window == window) {
slouken@8582
  2670
        display->fullscreen_window = NULL;
slouken@8582
  2671
    }
slouken@8582
  2672
slouken@8582
  2673
    /* Now invalidate magic */
slouken@8582
  2674
    window->magic = NULL;
slouken@8582
  2675
slouken@8582
  2676
    /* Free memory associated with the window */
slouken@8582
  2677
    SDL_free(window->title);
slouken@8582
  2678
    SDL_FreeSurface(window->icon);
slouken@8582
  2679
    SDL_free(window->gamma);
slouken@8582
  2680
    while (window->data) {
slouken@8582
  2681
        SDL_WindowUserData *data = window->data;
slouken@8582
  2682
slouken@8582
  2683
        window->data = data->next;
slouken@8582
  2684
        SDL_free(data->name);
slouken@8582
  2685
        SDL_free(data);
slouken@8582
  2686
    }
slouken@8582
  2687
slouken@8582
  2688
    /* Unlink the window from the list */
slouken@8582
  2689
    if (window->next) {
slouken@8582
  2690
        window->next->prev = window->prev;
slouken@8582
  2691
    }
slouken@8582
  2692
    if (window->prev) {
slouken@8582
  2693
        window->prev->next = window->next;
slouken@8582
  2694
    } else {
slouken@8582
  2695
        _this->windows = window->next;
slouken@8582
  2696
    }
slouken@8582
  2697
slouken@8582
  2698
    SDL_free(window);
slouken@8582
  2699
}
slouken@8582
  2700
slouken@8582
  2701
SDL_bool
slouken@8582
  2702
SDL_IsScreenSaverEnabled()
slouken@8582
  2703
{
slouken@8582
  2704
    if (!_this) {
slouken@8582
  2705
        return SDL_TRUE;
slouken@8582
  2706
    }
slouken@8582
  2707
    return _this->suspend_screensaver ? SDL_FALSE : SDL_TRUE;
slouken@8582
  2708
}
slouken@8582
  2709
slouken@8582
  2710
void
slouken@8582
  2711
SDL_EnableScreenSaver()
slouken@8582
  2712
{
slouken@8582
  2713
    if (!_this) {
slouken@8582
  2714
        return;
slouken@8582
  2715
    }
slouken@8582
  2716
    if (!_this->suspend_screensaver) {
slouken@8582
  2717
        return;
slouken@8582
  2718
    }
slouken@8582
  2719
    _this->suspend_screensaver = SDL_FALSE;
slouken@8582
  2720
    if (_this->SuspendScreenSaver) {
slouken@8582
  2721
        _this->SuspendScreenSaver(_this);
slouken@8582
  2722
    }
slouken@8582
  2723
}
slouken@8582
  2724
slouken@8582
  2725
void
slouken@8582
  2726
SDL_DisableScreenSaver()
slouken@8582
  2727
{
slouken@8582
  2728
    if (!_this) {
slouken@8582
  2729
        return;
slouken@8582
  2730
    }
slouken@8582
  2731
    if (_this->suspend_screensaver) {
slouken@8582
  2732
        return;
slouken@8582
  2733
    }
slouken@8582
  2734
    _this->suspend_screensaver = SDL_TRUE;
slouken@8582
  2735
    if (_this->SuspendScreenSaver) {
slouken@8582
  2736
        _this->SuspendScreenSaver(_this);
slouken@8582
  2737
    }
slouken@8582
  2738
}
slouken@8582
  2739
slouken@8582
  2740
void
slouken@8582
  2741
SDL_VideoQuit(void)
slouken@8582
  2742
{
slouken@8582
  2743
    int i, j;
slouken@8582
  2744
slouken@8582
  2745
    if (!_this) {
slouken@8582
  2746
        return;
slouken@8582
  2747
    }
slouken@8582
  2748
slouken@8582
  2749
    /* Halt event processing before doing anything else */
slouken@8582
  2750
    SDL_TouchQuit();