src/video/SDL_video.c
author Sam Lantinga <slouken@libsdl.org>
Tue, 30 Jan 2018 18:08:34 -0800
changeset 11839 971881e55d61
parent 11811 5d94cb6b24d3
child 11872 e917e911dab6
permissions -rw-r--r--
Fixed ISO C99 compatibility
SDL now builds with gcc 7.2 with the following command line options:
-Wall -pedantic-errors -Wno-deprecated-declarations -Wno-overlength-strings --std=c99
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/*
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  Simple DirectMedia Layer
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  Copyright (C) 1997-2018 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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#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_KMSDRM
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    &KMSDRM_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_RPI
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    &RPI_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_NACL
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    &NACL_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_EMSCRIPTEN
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    &Emscripten_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_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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                *(void**)&glGetStringFunc = SDL_GL_GetProcAddress("glGetString");
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                if (glGetStringFunc) {
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                    vendor = (const char *) glGetStringFunc(GL_VENDOR);
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                }
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                /* Add more vendors here at will... */
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                if (vendor &&
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                    (SDL_strstr(vendor, "ATI Technologies") ||
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                     SDL_strstr(vendor, "NVIDIA"))) {
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                    hasAcceleratedOpenGL = SDL_TRUE;
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                }
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                SDL_GL_DeleteContext(context);
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            }
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            SDL_DestroyWindow(window);
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        }
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        return hasAcceleratedOpenGL;
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    }
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#elif SDL_VIDEO_OPENGL_ES || SDL_VIDEO_OPENGL_ES2
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    /* Let's be optimistic about this! */
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    return SDL_TRUE;
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#else
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    return SDL_FALSE;
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#endif
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#else
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    /* Play it safe, assume that if there is a framebuffer driver that it's
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       optimized for the current platform.
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    */
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    return SDL_FALSE;
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#endif
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}
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static int
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SDL_CreateWindowTexture(SDL_VideoDevice *unused, SDL_Window * window, Uint32 * format, void ** pixels, int *pitch)
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{
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    SDL_WindowTextureData *data;
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    data = SDL_GetWindowData(window, SDL_WINDOWTEXTUREDATA);
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    if (!data) {
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        SDL_Renderer *renderer = NULL;
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        int i;
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        const char *hint = SDL_GetHint(SDL_HINT_FRAMEBUFFER_ACCELERATION);
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        /* Check to see if there's a specific driver requested */
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        if (hint && *hint != '0' && *hint != '1' &&
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            SDL_strcasecmp(hint, "true") != 0 &&
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            SDL_strcasecmp(hint, "false") != 0 &&
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            SDL_strcasecmp(hint, "software") != 0) {
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            for (i = 0; i < SDL_GetNumRenderDrivers(); ++i) {
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                SDL_RendererInfo info;
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                SDL_GetRenderDriverInfo(i, &info);
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                if (SDL_strcasecmp(info.name, hint) == 0) {
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                    renderer = SDL_CreateRenderer(window, i, 0);
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                    break;
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                }
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            }
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        }
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        if (!renderer) {
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            for (i = 0; i < SDL_GetNumRenderDrivers(); ++i) {
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                SDL_RendererInfo info;
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                SDL_GetRenderDriverInfo(i, &info);
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                if (SDL_strcmp(info.name, "software") != 0) {
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                    renderer = SDL_CreateRenderer(window, i, 0);
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                    if (renderer) {
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                        break;
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                    }
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                }
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            }
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        }
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        if (!renderer) {
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            return SDL_SetError("No hardware accelerated renderers available");
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        }
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        /* Create the data after we successfully create the renderer (bug #1116) */
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        data = (SDL_WindowTextureData *)SDL_calloc(1, sizeof(*data));
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        if (!data) {
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            SDL_DestroyRenderer(renderer);
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            return SDL_OutOfMemory();
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        }
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        SDL_SetWindowData(window, SDL_WINDOWTEXTUREDATA, data);
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        data->renderer = renderer;
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    }
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    /* Free any old texture and pixel data */
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    if (data->texture) {
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        SDL_DestroyTexture(data->texture);
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        data->texture = NULL;
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    }
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    SDL_free(data->pixels);
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    data->pixels = NULL;
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    {
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        SDL_RendererInfo info;
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        Uint32 i;
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   322
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        if (SDL_GetRendererInfo(data->renderer, &info) < 0) {
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            return -1;
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        }
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        /* Find the first format without an alpha channel */
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        *format = info.texture_formats[0];
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        for (i = 0; i < info.num_texture_formats; ++i) {
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            if (!SDL_ISPIXELFORMAT_FOURCC(info.texture_formats[i]) &&
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                    !SDL_ISPIXELFORMAT_ALPHA(info.texture_formats[i])) {
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                *format = info.texture_formats[i];
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                break;
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            }
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        }
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    }
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    data->texture = SDL_CreateTexture(data->renderer, *format,
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                                      SDL_TEXTUREACCESS_STREAMING,
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                                      window->w, window->h);
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    if (!data->texture) {
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        return -1;
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    }
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    /* Create framebuffer data */
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    data->bytes_per_pixel = SDL_BYTESPERPIXEL(*format);
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    data->pitch = (((window->w * data->bytes_per_pixel) + 3) & ~3);
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    {
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        /* Make static analysis happy about potential malloc(0) calls. */
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        const size_t allocsize = window->h * data->pitch;
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        data->pixels = SDL_malloc((allocsize > 0) ? allocsize : 1);
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        if (!data->pixels) {
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            return SDL_OutOfMemory();
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        }
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    }
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    *pixels = data->pixels;
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    *pitch = data->pitch;
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    /* Make sure we're not double-scaling the viewport */
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    SDL_RenderSetViewport(data->renderer, NULL);
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   365
    return 0;
slouken@8582
   366
}
slouken@8582
   367
slouken@8582
   368
static int
slouken@8922
   369
SDL_UpdateWindowTexture(SDL_VideoDevice *unused, SDL_Window * window, const SDL_Rect * rects, int numrects)
slouken@8582
   370
{
slouken@8582
   371
    SDL_WindowTextureData *data;
slouken@8582
   372
    SDL_Rect rect;
slouken@8582
   373
    void *src;
slouken@8582
   374
slouken@8582
   375
    data = SDL_GetWindowData(window, SDL_WINDOWTEXTUREDATA);
slouken@8582
   376
    if (!data || !data->texture) {
slouken@8582
   377
        return SDL_SetError("No window texture data");
slouken@8582
   378
    }
slouken@8582
   379
slouken@8582
   380
    /* Update a single rect that contains subrects for best DMA performance */
slouken@8582
   381
    if (SDL_GetSpanEnclosingRect(window->w, window->h, numrects, rects, &rect)) {
slouken@8582
   382
        src = (void *)((Uint8 *)data->pixels +
slouken@8582
   383
                        rect.y * data->pitch +
slouken@8582
   384
                        rect.x * data->bytes_per_pixel);
slouken@8582
   385
        if (SDL_UpdateTexture(data->texture, &rect, src, data->pitch) < 0) {
slouken@8582
   386
            return -1;
slouken@8582
   387
        }
slouken@8582
   388
slouken@8582
   389
        if (SDL_RenderCopy(data->renderer, data->texture, NULL, NULL) < 0) {
slouken@8582
   390
            return -1;
slouken@8582
   391
        }
slouken@8582
   392
slouken@8582
   393
        SDL_RenderPresent(data->renderer);
slouken@8582
   394
    }
slouken@8582
   395
    return 0;
slouken@8582
   396
}
slouken@8582
   397
slouken@8582
   398
static void
slouken@8922
   399
SDL_DestroyWindowTexture(SDL_VideoDevice *unused, SDL_Window * window)
slouken@8582
   400
{
slouken@8582
   401
    SDL_WindowTextureData *data;
slouken@8582
   402
slouken@8582
   403
    data = SDL_SetWindowData(window, SDL_WINDOWTEXTUREDATA, NULL);
slouken@8582
   404
    if (!data) {
slouken@8582
   405
        return;
slouken@8582
   406
    }
slouken@8582
   407
    if (data->texture) {
slouken@8582
   408
        SDL_DestroyTexture(data->texture);
slouken@8582
   409
    }
slouken@8582
   410
    if (data->renderer) {
slouken@8582
   411
        SDL_DestroyRenderer(data->renderer);
slouken@8582
   412
    }
slouken@8582
   413
    SDL_free(data->pixels);
slouken@8582
   414
    SDL_free(data);
slouken@8582
   415
}
slouken@8582
   416
slouken@8582
   417
slouken@8582
   418
static int
slouken@8582
   419
cmpmodes(const void *A, const void *B)
slouken@8582
   420
{
slouken@8582
   421
    const SDL_DisplayMode *a = (const SDL_DisplayMode *) A;
slouken@8582
   422
    const SDL_DisplayMode *b = (const SDL_DisplayMode *) B;
slouken@8582
   423
    if (a == b) {
slouken@8582
   424
        return 0;
slouken@8582
   425
    } else if (a->w != b->w) {
slouken@8582
   426
        return b->w - a->w;
slouken@8582
   427
    } else if (a->h != b->h) {
slouken@8582
   428
        return b->h - a->h;
slouken@8582
   429
    } else if (SDL_BITSPERPIXEL(a->format) != SDL_BITSPERPIXEL(b->format)) {
slouken@8582
   430
        return SDL_BITSPERPIXEL(b->format) - SDL_BITSPERPIXEL(a->format);
slouken@8582
   431
    } else if (SDL_PIXELLAYOUT(a->format) != SDL_PIXELLAYOUT(b->format)) {
slouken@8582
   432
        return SDL_PIXELLAYOUT(b->format) - SDL_PIXELLAYOUT(a->format);
slouken@8582
   433
    } else if (a->refresh_rate != b->refresh_rate) {
slouken@8582
   434
        return b->refresh_rate - a->refresh_rate;
slouken@8582
   435
    }
slouken@8582
   436
    return 0;
slouken@8582
   437
}
slouken@8582
   438
slouken@8582
   439
static int
slouken@8582
   440
SDL_UninitializedVideo()
slouken@8582
   441
{
slouken@8582
   442
    return SDL_SetError("Video subsystem has not been initialized");
slouken@8582
   443
}
slouken@8582
   444
slouken@8582
   445
int
slouken@8582
   446
SDL_GetNumVideoDrivers(void)
slouken@8582
   447
{
slouken@8582
   448
    return SDL_arraysize(bootstrap) - 1;
slouken@8582
   449
}
slouken@8582
   450
slouken@8582
   451
const char *
slouken@8582
   452
SDL_GetVideoDriver(int index)
slouken@8582
   453
{
slouken@8582
   454
    if (index >= 0 && index < SDL_GetNumVideoDrivers()) {
slouken@8582
   455
        return bootstrap[index]->name;
slouken@8582
   456
    }
slouken@8582
   457
    return NULL;
slouken@8582
   458
}
slouken@8582
   459
slouken@8582
   460
/*
slouken@8582
   461
 * Initialize the video and event subsystems -- determine native pixel format
slouken@8582
   462
 */
slouken@8582
   463
int
slouken@8582
   464
SDL_VideoInit(const char *driver_name)
slouken@8582
   465
{
slouken@8582
   466
    SDL_VideoDevice *video;
slouken@8582
   467
    int index;
slouken@8582
   468
    int i;
slouken@8582
   469
slouken@8582
   470
    /* Check to make sure we don't overwrite '_this' */
slouken@8582
   471
    if (_this != NULL) {
slouken@8582
   472
        SDL_VideoQuit();
slouken@8582
   473
    }
slouken@8582
   474
slouken@8582
   475
#if !SDL_TIMERS_DISABLED
slouken@8268
   476
    SDL_TicksInit();
slouken@8582
   477
#endif
slouken@8582
   478
slouken@8582
   479
    /* Start the event loop */
slouken@8582
   480
    if (SDL_InitSubSystem(SDL_INIT_EVENTS) < 0 ||
slouken@8582
   481
        SDL_KeyboardInit() < 0 ||
slouken@8582
   482
        SDL_MouseInit() < 0 ||
slouken@8582
   483
        SDL_TouchInit() < 0) {
slouken@8582
   484
        return -1;
slouken@8582
   485
    }
slouken@8582
   486
slouken@8582
   487
    /* Select the proper video driver */
slouken@8582
   488
    index = 0;
slouken@8582
   489
    video = NULL;
slouken@8582
   490
    if (driver_name == NULL) {
slouken@8582
   491
        driver_name = SDL_getenv("SDL_VIDEODRIVER");
slouken@8582
   492
    }
slouken@8582
   493
    if (driver_name != NULL) {
slouken@8582
   494
        for (i = 0; bootstrap[i]; ++i) {
slouken@8582
   495
            if (SDL_strncasecmp(bootstrap[i]->name, driver_name, SDL_strlen(driver_name)) == 0) {
gabomdq@8117
   496
                if (bootstrap[i]->available()) {
gabomdq@8117
   497
                    video = bootstrap[i]->create(index);
gabomdq@8117
   498
                    break;
gabomdq@8117
   499
                }
slouken@8582
   500
            }
slouken@8582
   501
        }
slouken@8582
   502
    } else {
slouken@8582
   503
        for (i = 0; bootstrap[i]; ++i) {
slouken@8582
   504
            if (bootstrap[i]->available()) {
slouken@8582
   505
                video = bootstrap[i]->create(index);
slouken@8582
   506
                if (video != NULL) {
slouken@8582
   507
                    break;
slouken@8582
   508
                }
slouken@8582
   509
            }
slouken@8582
   510
        }
slouken@8582
   511
    }
slouken@8582
   512
    if (video == NULL) {
slouken@8582
   513
        if (driver_name) {
slouken@8582
   514
            return SDL_SetError("%s not available", driver_name);
slouken@8582
   515
        }
slouken@8582
   516
        return SDL_SetError("No available video device");
slouken@8582
   517
    }
slouken@8582
   518
    _this = video;
slouken@8582
   519
    _this->name = bootstrap[i]->name;
slouken@8582
   520
    _this->next_object_id = 1;
slouken@8582
   521
slouken@8582
   522
slouken@8582
   523
    /* Set some very sane GL defaults */
slouken@8582
   524
    _this->gl_config.driver_loaded = 0;
slouken@8582
   525
    _this->gl_config.dll_handle = NULL;
jorgen@8145
   526
    SDL_GL_ResetAttributes();
slouken@8582
   527
slouken@8582
   528
    _this->current_glwin_tls = SDL_TLSCreate();
slouken@8582
   529
    _this->current_glctx_tls = SDL_TLSCreate();
slouken@8582
   530
slouken@8582
   531
    /* Initialize the video subsystem */
slouken@8582
   532
    if (_this->VideoInit(_this) < 0) {
slouken@8582
   533
        SDL_VideoQuit();
slouken@8582
   534
        return -1;
slouken@8582
   535
    }
slouken@8582
   536
slouken@8582
   537
    /* Make sure some displays were added */
slouken@8582
   538
    if (_this->num_displays == 0) {
slouken@8582
   539
        SDL_VideoQuit();
slouken@8582
   540
        return SDL_SetError("The video driver did not add any displays");
slouken@8582
   541
    }
slouken@8582
   542
slouken@8582
   543
    /* Add the renderer framebuffer emulation if desired */
slouken@8582
   544
    if (ShouldUseTextureFramebuffer()) {
slouken@8582
   545
        _this->CreateWindowFramebuffer = SDL_CreateWindowTexture;
slouken@8582
   546
        _this->UpdateWindowFramebuffer = SDL_UpdateWindowTexture;
slouken@8582
   547
        _this->DestroyWindowFramebuffer = SDL_DestroyWindowTexture;
slouken@8582
   548
    }
slouken@8582
   549
icculus@8265
   550
    /* Disable the screen saver by default. This is a change from <= 2.0.1,
icculus@8265
   551
       but most things using SDL are games or media players; you wouldn't
icculus@8265
   552
       want a screensaver to trigger if you're playing exclusively with a
icculus@8265
   553
       joystick, or passively watching a movie. Things that use SDL but
icculus@8265
   554
       function more like a normal desktop app should explicitly reenable the
icculus@8265
   555
       screensaver. */
slouken@10499
   556
    if (!SDL_GetHintBoolean(SDL_HINT_VIDEO_ALLOW_SCREENSAVER, SDL_FALSE)) {
slouken@8266
   557
        SDL_DisableScreenSaver();
slouken@8266
   558
    }
icculus@8265
   559
slouken@8582
   560
    /* If we don't use a screen keyboard, turn on text input by default,
slouken@8582
   561
       otherwise programs that expect to get text events without enabling
slouken@8582
   562
       UNICODE input won't get any events.
slouken@8582
   563
slouken@8582
   564
       Actually, come to think of it, you needed to call SDL_EnableUNICODE(1)
slouken@8582
   565
       in SDL 1.2 before you got text input events.  Hmm...
slouken@8582
   566
     */
slouken@8582
   567
    if (!SDL_HasScreenKeyboardSupport()) {
slouken@8582
   568
        SDL_StartTextInput();
slouken@8582
   569
    }
slouken@8582
   570
slouken@8582
   571
    /* We're ready to go! */
slouken@8582
   572
    return 0;
slouken@8582
   573
}
slouken@8582
   574
slouken@8582
   575
const char *
slouken@8582
   576
SDL_GetCurrentVideoDriver()
slouken@8582
   577
{
slouken@8582
   578
    if (!_this) {
slouken@8582
   579
        SDL_UninitializedVideo();
slouken@8582
   580
        return NULL;
slouken@8582
   581
    }
slouken@8582
   582
    return _this->name;
slouken@8582
   583
}
slouken@8582
   584
slouken@8582
   585
SDL_VideoDevice *
slouken@8582
   586
SDL_GetVideoDevice(void)
slouken@8582
   587
{
slouken@8582
   588
    return _this;
slouken@8582
   589
}
slouken@8582
   590
slouken@8582
   591
int
slouken@8582
   592
SDL_AddBasicVideoDisplay(const SDL_DisplayMode * desktop_mode)
slouken@8582
   593
{
slouken@8582
   594
    SDL_VideoDisplay display;
slouken@8582
   595
slouken@8582
   596
    SDL_zero(display);
slouken@8582
   597
    if (desktop_mode) {
slouken@8582
   598
        display.desktop_mode = *desktop_mode;
slouken@8582
   599
    }
slouken@8582
   600
    display.current_mode = display.desktop_mode;
slouken@8582
   601
slouken@8582
   602
    return SDL_AddVideoDisplay(&display);
slouken@8582
   603
}
slouken@8582
   604
slouken@8582
   605
int
slouken@8582
   606
SDL_AddVideoDisplay(const SDL_VideoDisplay * display)
slouken@8582
   607
{
slouken@8582
   608
    SDL_VideoDisplay *displays;
slouken@8582
   609
    int index = -1;
slouken@8582
   610
slouken@8582
   611
    displays =
slouken@8582
   612
        SDL_realloc(_this->displays,
slouken@8582
   613
                    (_this->num_displays + 1) * sizeof(*displays));
slouken@8582
   614
    if (displays) {
slouken@8582
   615
        index = _this->num_displays++;
slouken@8582
   616
        displays[index] = *display;
slouken@8582
   617
        displays[index].device = _this;
slouken@8582
   618
        _this->displays = displays;
slouken@8582
   619
slouken@8582
   620
        if (display->name) {
slouken@8582
   621
            displays[index].name = SDL_strdup(display->name);
slouken@8582
   622
        } else {
slouken@8582
   623
            char name[32];
slouken@8582
   624
slouken@8582
   625
            SDL_itoa(index, name, 10);
slouken@8582
   626
            displays[index].name = SDL_strdup(name);
slouken@8582
   627
        }
slouken@8582
   628
    } else {
slouken@8582
   629
        SDL_OutOfMemory();
slouken@8582
   630
    }
slouken@8582
   631
    return index;
slouken@8582
   632
}
slouken@8582
   633
slouken@8582
   634
int
slouken@8582
   635
SDL_GetNumVideoDisplays(void)
slouken@8582
   636
{
slouken@8582
   637
    if (!_this) {
slouken@8582
   638
        SDL_UninitializedVideo();
slouken@8582
   639
        return 0;
slouken@8582
   640
    }
slouken@8582
   641
    return _this->num_displays;
slouken@8582
   642
}
slouken@8582
   643
slouken@8582
   644
static int
slouken@8582
   645
SDL_GetIndexOfDisplay(SDL_VideoDisplay *display)
slouken@8582
   646
{
slouken@8582
   647
    int displayIndex;
slouken@8582
   648
slouken@8582
   649
    for (displayIndex = 0; displayIndex < _this->num_displays; ++displayIndex) {
slouken@8582
   650
        if (display == &_this->displays[displayIndex]) {
slouken@8582
   651
            return displayIndex;
slouken@8582
   652
        }
slouken@8582
   653
    }
slouken@8582
   654
slouken@8582
   655
    /* Couldn't find the display, just use index 0 */
slouken@8582
   656
    return 0;
slouken@8582
   657
}
slouken@8582
   658
slouken@8582
   659
void *
slouken@8818
   660
SDL_GetDisplayDriverData(int displayIndex)
slouken@8582
   661
{
slouken@8818
   662
    CHECK_DISPLAY_INDEX(displayIndex, NULL);
slouken@8582
   663
slouken@8582
   664
    return _this->displays[displayIndex].driverdata;
slouken@8582
   665
}
slouken@8582
   666
slouken@8582
   667
const char *
slouken@8582
   668
SDL_GetDisplayName(int displayIndex)
slouken@8582
   669
{
slouken@8582
   670
    CHECK_DISPLAY_INDEX(displayIndex, NULL);
slouken@8582
   671
slouken@8582
   672
    return _this->displays[displayIndex].name;
slouken@8582
   673
}
slouken@8582
   674
slouken@8582
   675
int
slouken@8582
   676
SDL_GetDisplayBounds(int displayIndex, SDL_Rect * rect)
slouken@8582
   677
{
slouken@8582
   678
    CHECK_DISPLAY_INDEX(displayIndex, -1);
slouken@8582
   679
slouken@8582
   680
    if (rect) {
slouken@8582
   681
        SDL_VideoDisplay *display = &_this->displays[displayIndex];
slouken@8582
   682
slouken@8582
   683
        if (_this->GetDisplayBounds) {
slouken@8582
   684
            if (_this->GetDisplayBounds(_this, display, rect) == 0) {
slouken@8582
   685
                return 0;
slouken@8582
   686
            }
slouken@8582
   687
        }
slouken@8582
   688
slouken@8582
   689
        /* Assume that the displays are left to right */
slouken@8582
   690
        if (displayIndex == 0) {
slouken@8582
   691
            rect->x = 0;
slouken@8582
   692
            rect->y = 0;
slouken@8582
   693
        } else {
slouken@8582
   694
            SDL_GetDisplayBounds(displayIndex-1, rect);
slouken@8582
   695
            rect->x += rect->w;
slouken@8582
   696
        }
slouken@8582
   697
        rect->w = display->current_mode.w;
slouken@8582
   698
        rect->h = display->current_mode.h;
slouken@8582
   699
    }
icculus@10019
   700
    return 0;  /* !!! FIXME: should this be an error if (rect==NULL) ? */
icculus@10019
   701
}
icculus@10019
   702
icculus@10019
   703
int SDL_GetDisplayUsableBounds(int displayIndex, SDL_Rect * rect)
icculus@10019
   704
{
icculus@10019
   705
    CHECK_DISPLAY_INDEX(displayIndex, -1);
icculus@10019
   706
icculus@10019
   707
    if (rect) {
icculus@10019
   708
        SDL_VideoDisplay *display = &_this->displays[displayIndex];
icculus@10019
   709
icculus@10019
   710
        if (_this->GetDisplayUsableBounds) {
icculus@10019
   711
            if (_this->GetDisplayUsableBounds(_this, display, rect) == 0) {
icculus@10019
   712
                return 0;
icculus@10019
   713
            }
icculus@10019
   714
        }
icculus@10019
   715
icculus@10019
   716
        /* Oh well, just give the entire display bounds. */
icculus@10019
   717
        return SDL_GetDisplayBounds(displayIndex, rect);
icculus@10019
   718
    }
icculus@10019
   719
    return 0;  /* !!! FIXME: should this be an error if (rect==NULL) ? */
slouken@8582
   720
}
slouken@8582
   721
alfred@9813
   722
int
alfred@9813
   723
SDL_GetDisplayDPI(int displayIndex, float * ddpi, float * hdpi, float * vdpi)
alfred@9813
   724
{
slouken@11490
   725
    SDL_VideoDisplay *display;
alfred@9813
   726
alfred@9813
   727
    CHECK_DISPLAY_INDEX(displayIndex, -1);
alfred@9813
   728
alfred@9813
   729
    display = &_this->displays[displayIndex];
alfred@9813
   730
slouken@11490
   731
    if (_this->GetDisplayDPI) {
slouken@11490
   732
        if (_this->GetDisplayDPI(_this, display, ddpi, hdpi, vdpi) == 0) {
slouken@11490
   733
            return 0;
slouken@11490
   734
        }
philipp@10166
   735
    } else {
philipp@10166
   736
        return SDL_Unsupported();
philipp@10166
   737
    }
alfred@9813
   738
slouken@11490
   739
    return -1;
alfred@9813
   740
}
alfred@9813
   741
slouken@8582
   742
SDL_bool
slouken@8582
   743
SDL_AddDisplayMode(SDL_VideoDisplay * display,  const SDL_DisplayMode * mode)
slouken@8582
   744
{
slouken@8582
   745
    SDL_DisplayMode *modes;
slouken@8582
   746
    int i, nmodes;
slouken@8582
   747
slouken@8582
   748
    /* Make sure we don't already have the mode in the list */
slouken@8582
   749
    modes = display->display_modes;
slouken@8582
   750
    nmodes = display->num_display_modes;
slouken@8582
   751
    for (i = 0; i < nmodes; ++i) {
slouken@8582
   752
        if (cmpmodes(mode, &modes[i]) == 0) {
slouken@8582
   753
            return SDL_FALSE;
slouken@8582
   754
        }
slouken@8582
   755
    }
slouken@8582
   756
slouken@8582
   757
    /* Go ahead and add the new mode */
slouken@8582
   758
    if (nmodes == display->max_display_modes) {
slouken@8582
   759
        modes =
slouken@8582
   760
            SDL_realloc(modes,
slouken@8582
   761
                        (display->max_display_modes + 32) * sizeof(*modes));
slouken@8582
   762
        if (!modes) {
slouken@8582
   763
            return SDL_FALSE;
slouken@8582
   764
        }
slouken@8582
   765
        display->display_modes = modes;
slouken@8582
   766
        display->max_display_modes += 32;
slouken@8582
   767
    }
slouken@8582
   768
    modes[nmodes] = *mode;
slouken@8582
   769
    display->num_display_modes++;
slouken@8582
   770
slouken@8582
   771
    /* Re-sort video modes */
slouken@8582
   772
    SDL_qsort(display->display_modes, display->num_display_modes,
slouken@8582
   773
              sizeof(SDL_DisplayMode), cmpmodes);
slouken@8582
   774
slouken@8582
   775
    return SDL_TRUE;
slouken@8582
   776
}
slouken@8582
   777
slouken@8582
   778
static int
slouken@8582
   779
SDL_GetNumDisplayModesForDisplay(SDL_VideoDisplay * display)
slouken@8582
   780
{
slouken@8582
   781
    if (!display->num_display_modes && _this->GetDisplayModes) {
slouken@8582
   782
        _this->GetDisplayModes(_this, display);
slouken@8582
   783
        SDL_qsort(display->display_modes, display->num_display_modes,
slouken@8582
   784
                  sizeof(SDL_DisplayMode), cmpmodes);
slouken@8582
   785
    }
slouken@8582
   786
    return display->num_display_modes;
slouken@8582
   787
}
slouken@8582
   788
slouken@8582
   789
int
slouken@8582
   790
SDL_GetNumDisplayModes(int displayIndex)
slouken@8582
   791
{
slouken@8582
   792
    CHECK_DISPLAY_INDEX(displayIndex, -1);
slouken@8582
   793
slouken@8582
   794
    return SDL_GetNumDisplayModesForDisplay(&_this->displays[displayIndex]);
slouken@8582
   795
}
slouken@8582
   796
slouken@8582
   797
int
slouken@8582
   798
SDL_GetDisplayMode(int displayIndex, int index, SDL_DisplayMode * mode)
slouken@8582
   799
{
slouken@8582
   800
    SDL_VideoDisplay *display;
slouken@8582
   801
slouken@8582
   802
    CHECK_DISPLAY_INDEX(displayIndex, -1);
slouken@8582
   803
slouken@8582
   804
    display = &_this->displays[displayIndex];
slouken@8582
   805
    if (index < 0 || index >= SDL_GetNumDisplayModesForDisplay(display)) {
slouken@8582
   806
        return SDL_SetError("index must be in the range of 0 - %d",
slouken@8582
   807
                            SDL_GetNumDisplayModesForDisplay(display) - 1);
slouken@8582
   808
    }
slouken@8582
   809
    if (mode) {
slouken@8582
   810
        *mode = display->display_modes[index];
slouken@8582
   811
    }
slouken@8582
   812
    return 0;
slouken@8582
   813
}
slouken@8582
   814
slouken@8582
   815
int
slouken@8582
   816
SDL_GetDesktopDisplayMode(int displayIndex, SDL_DisplayMode * mode)
slouken@8582
   817
{
slouken@8582
   818
    SDL_VideoDisplay *display;
slouken@8582
   819
slouken@8582
   820
    CHECK_DISPLAY_INDEX(displayIndex, -1);
slouken@8582
   821
slouken@8582
   822
    display = &_this->displays[displayIndex];
slouken@8582
   823
    if (mode) {
slouken@8582
   824
        *mode = display->desktop_mode;
slouken@8582
   825
    }
slouken@8582
   826
    return 0;
slouken@8582
   827
}
slouken@8582
   828
slouken@8582
   829
int
slouken@8582
   830
SDL_GetCurrentDisplayMode(int displayIndex, SDL_DisplayMode * mode)
slouken@8582
   831
{
slouken@8582
   832
    SDL_VideoDisplay *display;
slouken@8582
   833
slouken@8582
   834
    CHECK_DISPLAY_INDEX(displayIndex, -1);
slouken@8582
   835
slouken@8582
   836
    display = &_this->displays[displayIndex];
slouken@8582
   837
    if (mode) {
slouken@8582
   838
        *mode = display->current_mode;
slouken@8582
   839
    }
slouken@8582
   840
    return 0;
slouken@8582
   841
}
slouken@8582
   842
slouken@8582
   843
static SDL_DisplayMode *
slouken@8582
   844
SDL_GetClosestDisplayModeForDisplay(SDL_VideoDisplay * display,
slouken@8582
   845
                                    const SDL_DisplayMode * mode,
slouken@8582
   846
                                    SDL_DisplayMode * closest)
slouken@8582
   847
{
slouken@8582
   848
    Uint32 target_format;
slouken@8582
   849
    int target_refresh_rate;
slouken@8582
   850
    int i;
slouken@8582
   851
    SDL_DisplayMode *current, *match;
slouken@8582
   852
slouken@8582
   853
    if (!mode || !closest) {
slouken@8582
   854
        SDL_SetError("Missing desired mode or closest mode parameter");
slouken@8582
   855
        return NULL;
slouken@8582
   856
    }
slouken@8582
   857
slouken@8582
   858
    /* Default to the desktop format */
slouken@8582
   859
    if (mode->format) {
slouken@8582
   860
        target_format = mode->format;
slouken@8582
   861
    } else {
slouken@8582
   862
        target_format = display->desktop_mode.format;
slouken@8582
   863
    }
slouken@8582
   864
slouken@8582
   865
    /* Default to the desktop refresh rate */
slouken@8582
   866
    if (mode->refresh_rate) {
slouken@8582
   867
        target_refresh_rate = mode->refresh_rate;
slouken@8582
   868
    } else {
slouken@8582
   869
        target_refresh_rate = display->desktop_mode.refresh_rate;
slouken@8582
   870
    }
slouken@8582
   871
slouken@8582
   872
    match = NULL;
slouken@8582
   873
    for (i = 0; i < SDL_GetNumDisplayModesForDisplay(display); ++i) {
slouken@8582
   874
        current = &display->display_modes[i];
slouken@8582
   875
slouken@8582
   876
        if (current->w && (current->w < mode->w)) {
slouken@8582
   877
            /* Out of sorted modes large enough here */
slouken@8582
   878
            break;
slouken@8582
   879
        }
slouken@8582
   880
        if (current->h && (current->h < mode->h)) {
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
            /* Wider, but not tall enough, due to a different
slouken@8582
   886
               aspect ratio. This mode must be skipped, but closer
slouken@8582
   887
               modes may still follow. */
slouken@8582
   888
            continue;
slouken@8582
   889
        }
slouken@8582
   890
        if (!match || current->w < match->w || current->h < match->h) {
slouken@8582
   891
            match = current;
slouken@8582
   892
            continue;
slouken@8582
   893
        }
slouken@8582
   894
        if (current->format != match->format) {
slouken@8582
   895
            /* Sorted highest depth to lowest */
slouken@8582
   896
            if (current->format == target_format ||
slouken@8582
   897
                (SDL_BITSPERPIXEL(current->format) >=
slouken@8582
   898
                 SDL_BITSPERPIXEL(target_format)
slouken@8582
   899
                 && SDL_PIXELTYPE(current->format) ==
slouken@8582
   900
                 SDL_PIXELTYPE(target_format))) {
slouken@8582
   901
                match = current;
slouken@8582
   902
            }
slouken@8582
   903
            continue;
slouken@8582
   904
        }
slouken@8582
   905
        if (current->refresh_rate != match->refresh_rate) {
slouken@8582
   906
            /* Sorted highest refresh to lowest */
slouken@8582
   907
            if (current->refresh_rate >= target_refresh_rate) {
slouken@8582
   908
                match = current;
slouken@8582
   909
            }
slouken@8582
   910
        }
slouken@8582
   911
    }
slouken@8582
   912
    if (match) {
slouken@8582
   913
        if (match->format) {
slouken@8582
   914
            closest->format = match->format;
slouken@8582
   915
        } else {
slouken@8582
   916
            closest->format = mode->format;
slouken@8582
   917
        }
slouken@8582
   918
        if (match->w && match->h) {
slouken@8582
   919
            closest->w = match->w;
slouken@8582
   920
            closest->h = match->h;
slouken@8582
   921
        } else {
slouken@8582
   922
            closest->w = mode->w;
slouken@8582
   923
            closest->h = mode->h;
slouken@8582
   924
        }
slouken@8582
   925
        if (match->refresh_rate) {
slouken@8582
   926
            closest->refresh_rate = match->refresh_rate;
slouken@8582
   927
        } else {
slouken@8582
   928
            closest->refresh_rate = mode->refresh_rate;
slouken@8582
   929
        }
slouken@8582
   930
        closest->driverdata = match->driverdata;
slouken@8582
   931
slouken@8582
   932
        /*
slouken@8582
   933
         * Pick some reasonable defaults if the app and driver don't
slouken@8582
   934
         * care
slouken@8582
   935
         */
slouken@8582
   936
        if (!closest->format) {
slouken@8582
   937
            closest->format = SDL_PIXELFORMAT_RGB888;
slouken@8582
   938
        }
slouken@8582
   939
        if (!closest->w) {
slouken@8582
   940
            closest->w = 640;
slouken@8582
   941
        }
slouken@8582
   942
        if (!closest->h) {
slouken@8582
   943
            closest->h = 480;
slouken@8582
   944
        }
slouken@8582
   945
        return closest;
slouken@8582
   946
    }
slouken@8582
   947
    return NULL;
slouken@8582
   948
}
slouken@8582
   949
slouken@8582
   950
SDL_DisplayMode *
slouken@8582
   951
SDL_GetClosestDisplayMode(int displayIndex,
slouken@8582
   952
                          const SDL_DisplayMode * mode,
slouken@8582
   953
                          SDL_DisplayMode * closest)
slouken@8582
   954
{
slouken@8582
   955
    SDL_VideoDisplay *display;
slouken@8582
   956
slouken@8582
   957
    CHECK_DISPLAY_INDEX(displayIndex, NULL);
slouken@8582
   958
slouken@8582
   959
    display = &_this->displays[displayIndex];
slouken@8582
   960
    return SDL_GetClosestDisplayModeForDisplay(display, mode, closest);
slouken@8582
   961
}
slouken@8582
   962
slouken@8582
   963
static int
slouken@8582
   964
SDL_SetDisplayModeForDisplay(SDL_VideoDisplay * display, const SDL_DisplayMode * mode)
slouken@8582
   965
{
slouken@8582
   966
    SDL_DisplayMode display_mode;
slouken@8582
   967
    SDL_DisplayMode current_mode;
slouken@8582
   968
slouken@8582
   969
    if (mode) {
slouken@8582
   970
        display_mode = *mode;
slouken@8582
   971
slouken@8582
   972
        /* Default to the current mode */
slouken@8582
   973
        if (!display_mode.format) {
slouken@8582
   974
            display_mode.format = display->current_mode.format;
slouken@8582
   975
        }
slouken@8582
   976
        if (!display_mode.w) {
slouken@8582
   977
            display_mode.w = display->current_mode.w;
slouken@8582
   978
        }
slouken@8582
   979
        if (!display_mode.h) {
slouken@8582
   980
            display_mode.h = display->current_mode.h;
slouken@8582
   981
        }
slouken@8582
   982
        if (!display_mode.refresh_rate) {
slouken@8582
   983
            display_mode.refresh_rate = display->current_mode.refresh_rate;
slouken@8582
   984
        }
slouken@8582
   985
slouken@8582
   986
        /* Get a good video mode, the closest one possible */
slouken@8582
   987
        if (!SDL_GetClosestDisplayModeForDisplay(display, &display_mode, &display_mode)) {
slouken@8582
   988
            return SDL_SetError("No video mode large enough for %dx%d",
slouken@8582
   989
                                display_mode.w, display_mode.h);
slouken@8582
   990
        }
slouken@8582
   991
    } else {
slouken@8582
   992
        display_mode = display->desktop_mode;
slouken@8582
   993
    }
slouken@8582
   994
slouken@8582
   995
    /* See if there's anything left to do */
slouken@8582
   996
    current_mode = display->current_mode;
slouken@8582
   997
    if (SDL_memcmp(&display_mode, &current_mode, sizeof(display_mode)) == 0) {
slouken@8582
   998
        return 0;
slouken@8582
   999
    }
slouken@8582
  1000
slouken@8582
  1001
    /* Actually change the display mode */
slouken@8582
  1002
    if (!_this->SetDisplayMode) {
slouken@8582
  1003
        return SDL_SetError("Video driver doesn't support changing display mode");
slouken@8582
  1004
    }
slouken@8582
  1005
    if (_this->SetDisplayMode(_this, display, &display_mode) < 0) {
slouken@8582
  1006
        return -1;
slouken@8582
  1007
    }
slouken@8582
  1008
    display->current_mode = display_mode;
slouken@8582
  1009
    return 0;
slouken@8582
  1010
}
slouken@8582
  1011
slouken@8582
  1012
int
slouken@8582
  1013
SDL_GetWindowDisplayIndex(SDL_Window * window)
slouken@8582
  1014
{
slouken@8582
  1015
    int displayIndex;
slouken@8582
  1016
    int i, dist;
slouken@8582
  1017
    int closest = -1;
slouken@8582
  1018
    int closest_dist = 0x7FFFFFFF;
slouken@8582
  1019
    SDL_Point center;
slouken@8582
  1020
    SDL_Point delta;
slouken@8582
  1021
    SDL_Rect rect;
slouken@8582
  1022
slouken@8582
  1023
    CHECK_WINDOW_MAGIC(window, -1);
slouken@8582
  1024
slouken@8582
  1025
    if (SDL_WINDOWPOS_ISUNDEFINED(window->x) ||
slouken@8582
  1026
        SDL_WINDOWPOS_ISCENTERED(window->x)) {
slouken@8582
  1027
        displayIndex = (window->x & 0xFFFF);
slouken@8582
  1028
        if (displayIndex >= _this->num_displays) {
slouken@8582
  1029
            displayIndex = 0;
slouken@8582
  1030
        }
slouken@8582
  1031
        return displayIndex;
slouken@8582
  1032
    }
slouken@8582
  1033
    if (SDL_WINDOWPOS_ISUNDEFINED(window->y) ||
slouken@8582
  1034
        SDL_WINDOWPOS_ISCENTERED(window->y)) {
slouken@8582
  1035
        displayIndex = (window->y & 0xFFFF);
slouken@8582
  1036
        if (displayIndex >= _this->num_displays) {
slouken@8582
  1037
            displayIndex = 0;
slouken@8582
  1038
        }
slouken@8582
  1039
        return displayIndex;
slouken@8582
  1040
    }
slouken@8582
  1041
slouken@8582
  1042
    /* Find the display containing the window */
slouken@8582
  1043
    for (i = 0; i < _this->num_displays; ++i) {
slouken@8582
  1044
        SDL_VideoDisplay *display = &_this->displays[i];
slouken@8582
  1045
slouken@8582
  1046
        if (display->fullscreen_window == window) {
slouken@8582
  1047
            return i;
slouken@8582
  1048
        }
slouken@8582
  1049
    }
slouken@8582
  1050
    center.x = window->x + window->w / 2;
slouken@8582
  1051
    center.y = window->y + window->h / 2;
slouken@8582
  1052
    for (i = 0; i < _this->num_displays; ++i) {
slouken@8582
  1053
        SDL_GetDisplayBounds(i, &rect);
slouken@8582
  1054
        if (SDL_EnclosePoints(&center, 1, &rect, NULL)) {
slouken@8582
  1055
            return i;
slouken@8582
  1056
        }
slouken@8582
  1057
slouken@8582
  1058
        delta.x = center.x - (rect.x + rect.w / 2);
slouken@8582
  1059
        delta.y = center.y - (rect.y + rect.h / 2);
slouken@8582
  1060
        dist = (delta.x*delta.x + delta.y*delta.y);
slouken@8582
  1061
        if (dist < closest_dist) {
slouken@8582
  1062
            closest = i;
slouken@8582
  1063
            closest_dist = dist;
slouken@8582
  1064
        }
slouken@8582
  1065
    }
slouken@8582
  1066
    if (closest < 0) {
slouken@8582
  1067
        SDL_SetError("Couldn't find any displays");
slouken@8582
  1068
    }
slouken@8582
  1069
    return closest;
slouken@8582
  1070
}
slouken@8582
  1071
slouken@8582
  1072
SDL_VideoDisplay *
slouken@8582
  1073
SDL_GetDisplayForWindow(SDL_Window *window)
slouken@8582
  1074
{
slouken@8582
  1075
    int displayIndex = SDL_GetWindowDisplayIndex(window);
slouken@8582
  1076
    if (displayIndex >= 0) {
slouken@8582
  1077
        return &_this->displays[displayIndex];
slouken@8582
  1078
    } else {
slouken@8582
  1079
        return NULL;
slouken@8582
  1080
    }
slouken@8582
  1081
}
slouken@8582
  1082
slouken@8582
  1083
int
slouken@8582
  1084
SDL_SetWindowDisplayMode(SDL_Window * window, const SDL_DisplayMode * mode)
slouken@8582
  1085
{
slouken@8582
  1086
    CHECK_WINDOW_MAGIC(window, -1);
slouken@8582
  1087
slouken@8582
  1088
    if (mode) {
slouken@8582
  1089
        window->fullscreen_mode = *mode;
slouken@8582
  1090
    } else {
slouken@8582
  1091
        SDL_zero(window->fullscreen_mode);
slouken@8582
  1092
    }
slouken@8818
  1093
slouken@8818
  1094
    if (FULLSCREEN_VISIBLE(window) && (window->flags & SDL_WINDOW_FULLSCREEN_DESKTOP) != SDL_WINDOW_FULLSCREEN_DESKTOP) {
slouken@8818
  1095
        SDL_DisplayMode fullscreen_mode;
slouken@8818
  1096
        if (SDL_GetWindowDisplayMode(window, &fullscreen_mode) == 0) {
slouken@8818
  1097
            SDL_SetDisplayModeForDisplay(SDL_GetDisplayForWindow(window), &fullscreen_mode);
slouken@8818
  1098
        }
slouken@8818
  1099
    }
slouken@8582
  1100
    return 0;
slouken@8582
  1101
}
slouken@8582
  1102
slouken@8582
  1103
int
slouken@8582
  1104
SDL_GetWindowDisplayMode(SDL_Window * window, SDL_DisplayMode * mode)
slouken@8582
  1105
{
slouken@8582
  1106
    SDL_DisplayMode fullscreen_mode;
slouken@8582
  1107
    SDL_VideoDisplay *display;
slouken@8582
  1108
slouken@8818
  1109
    CHECK_WINDOW_MAGIC(window, -1);
slouken@8818
  1110
slouken@8582
  1111
    if (!mode) {
slouken@8818
  1112
        return SDL_InvalidParamError("mode");
slouken@8582
  1113
    }
slouken@8582
  1114
slouken@8582
  1115
    fullscreen_mode = window->fullscreen_mode;
slouken@8582
  1116
    if (!fullscreen_mode.w) {
slouken@8823
  1117
        fullscreen_mode.w = window->windowed.w;
slouken@8582
  1118
    }
slouken@8582
  1119
    if (!fullscreen_mode.h) {
slouken@8823
  1120
        fullscreen_mode.h = window->windowed.h;
slouken@8582
  1121
    }
slouken@8582
  1122
slouken@8582
  1123
    display = SDL_GetDisplayForWindow(window);
slouken@8582
  1124
slouken@8582
  1125
    /* if in desktop size mode, just return the size of the desktop */
slouken@8818
  1126
    if ((window->flags & SDL_WINDOW_FULLSCREEN_DESKTOP) == SDL_WINDOW_FULLSCREEN_DESKTOP) {
slouken@8582
  1127
        fullscreen_mode = display->desktop_mode;
slouken@8818
  1128
    } else if (!SDL_GetClosestDisplayModeForDisplay(SDL_GetDisplayForWindow(window),
slouken@8582
  1129
                                             &fullscreen_mode,
slouken@8582
  1130
                                             &fullscreen_mode)) {
slouken@8582
  1131
        return SDL_SetError("Couldn't find display mode match");
slouken@8582
  1132
    }
slouken@8582
  1133
slouken@8582
  1134
    if (mode) {
slouken@8582
  1135
        *mode = fullscreen_mode;
slouken@8582
  1136
    }
slouken@8582
  1137
    return 0;
slouken@8582
  1138
}
slouken@8582
  1139
slouken@8582
  1140
Uint32
slouken@8582
  1141
SDL_GetWindowPixelFormat(SDL_Window * window)
slouken@8582
  1142
{
slouken@8582
  1143
    SDL_VideoDisplay *display;
slouken@8582
  1144
slouken@8582
  1145
    CHECK_WINDOW_MAGIC(window, SDL_PIXELFORMAT_UNKNOWN);
slouken@8582
  1146
slouken@8582
  1147
    display = SDL_GetDisplayForWindow(window);
slouken@8582
  1148
    return display->current_mode.format;
slouken@8582
  1149
}
slouken@8582
  1150
slouken@8582
  1151
static void
slouken@8582
  1152
SDL_RestoreMousePosition(SDL_Window *window)
slouken@8582
  1153
{
slouken@8582
  1154
    int x, y;
slouken@8582
  1155
slouken@8582
  1156
    if (window == SDL_GetMouseFocus()) {
slouken@8582
  1157
        SDL_GetMouseState(&x, &y);
slouken@8582
  1158
        SDL_WarpMouseInWindow(window, x, y);
slouken@8582
  1159
    }
slouken@8582
  1160
}
slouken@8582
  1161
dludwig@9924
  1162
#if __WINRT__
dludwig@9924
  1163
extern Uint32 WINRT_DetectWindowFlags(SDL_Window * window);
dludwig@9924
  1164
#endif
dludwig@9924
  1165
slime73@9532
  1166
static int
slouken@8582
  1167
SDL_UpdateFullscreenMode(SDL_Window * window, SDL_bool fullscreen)
slouken@8582
  1168
{
slouken@8582
  1169
    SDL_VideoDisplay *display;
slouken@8582
  1170
    SDL_Window *other;
slouken@8582
  1171
slime73@9532
  1172
    CHECK_WINDOW_MAGIC(window,-1);
icculus@8783
  1173
alfred@9037
  1174
    /* if we are in the process of hiding don't go back to fullscreen */
slouken@10698
  1175
    if (window->is_hiding && fullscreen) {
slime73@9532
  1176
        return 0;
slouken@10698
  1177
    }
icculus@9887
  1178
slouken@8582
  1179
#ifdef __MACOSX__
slouken@9906
  1180
    /* if the window is going away and no resolution change is necessary,
slouken@10698
  1181
       do nothing, or else we may trigger an ugly double-transition
slouken@9906
  1182
     */
icculus@10781
  1183
    if (SDL_strcmp(_this->name, "cocoa") == 0) {  /* don't do this for X11, etc */
icculus@10781
  1184
        if (window->is_destroying && (window->last_fullscreen_flags & FULLSCREEN_MASK) == SDL_WINDOW_FULLSCREEN_DESKTOP)
icculus@10781
  1185
            return 0;
slouken@9906
  1186
    
slouken@11423
  1187
        /* If we're switching between a fullscreen Space and "normal" fullscreen, we need to get back to normal first. */
slouken@11423
  1188
        if (fullscreen && ((window->last_fullscreen_flags & FULLSCREEN_MASK) == SDL_WINDOW_FULLSCREEN_DESKTOP) && ((window->flags & FULLSCREEN_MASK) == SDL_WINDOW_FULLSCREEN)) {
slouken@11423
  1189
            if (!Cocoa_SetWindowFullscreenSpace(window, SDL_FALSE)) {
slouken@11423
  1190
                return -1;
slouken@10698
  1191
            }
slouken@11423
  1192
        } else if (fullscreen && ((window->last_fullscreen_flags & FULLSCREEN_MASK) == SDL_WINDOW_FULLSCREEN) && ((window->flags & FULLSCREEN_MASK) == SDL_WINDOW_FULLSCREEN_DESKTOP)) {
slouken@11423
  1193
            display = SDL_GetDisplayForWindow(window);
slouken@11423
  1194
            SDL_SetDisplayModeForDisplay(display, NULL);
slouken@11423
  1195
            if (_this->SetWindowFullscreen) {
slouken@11423
  1196
                _this->SetWindowFullscreen(_this, window, display, SDL_FALSE);
slouken@10698
  1197
            }
slouken@9904
  1198
        }
slouken@11423
  1199
slouken@11423
  1200
        if (Cocoa_SetWindowFullscreenSpace(window, fullscreen)) {
slouken@11423
  1201
            if (Cocoa_IsWindowInFullscreenSpace(window) != fullscreen) {
slouken@11423
  1202
                return -1;
slouken@11423
  1203
            }
slouken@11423
  1204
            window->last_fullscreen_flags = window->flags;
slouken@11423
  1205
            return 0;
slouken@11423
  1206
        }
icculus@9887
  1207
    }
dludwig@9931
  1208
#elif __WINRT__ && (NTDDI_VERSION < NTDDI_WIN10)
dludwig@9924
  1209
    /* HACK: WinRT 8.x apps can't choose whether or not they are fullscreen
dludwig@9924
  1210
       or not.  The user can choose this, via OS-provided UI, but this can't
dludwig@9924
  1211
       be set programmatically.
dludwig@9924
  1212
dludwig@9924
  1213
       Just look at what SDL's WinRT video backend code detected with regards
dludwig@9924
  1214
       to fullscreen (being active, or not), and figure out a return/error code
dludwig@9924
  1215
       from that.
dludwig@9924
  1216
    */
dludwig@9924
  1217
    if (fullscreen == !(WINRT_DetectWindowFlags(window) & FULLSCREEN_MASK)) {
dludwig@9924
  1218
        /* Uh oh, either:
dludwig@9924
  1219
            1. fullscreen was requested, and we're already windowed
dludwig@9924
  1220
            2. windowed-mode was requested, and we're already fullscreen
dludwig@9924
  1221
dludwig@9924
  1222
            WinRT 8.x can't resolve either programmatically, so we're
dludwig@9924
  1223
            giving up.
dludwig@9924
  1224
        */
dludwig@9924
  1225
        return -1;
dludwig@9924
  1226
    } else {
dludwig@9924
  1227
        /* Whatever was requested, fullscreen or windowed mode, is already
dludwig@9924
  1228
            in-place.
dludwig@9924
  1229
        */
dludwig@9924
  1230
        return 0;
dludwig@9924
  1231
    }
slouken@8582
  1232
#endif
slouken@8582
  1233
slouken@8582
  1234
    display = SDL_GetDisplayForWindow(window);
slouken@8582
  1235
slouken@8582
  1236
    if (fullscreen) {
slouken@8582
  1237
        /* Hide any other fullscreen windows */
slouken@8582
  1238
        if (display->fullscreen_window &&
slouken@8582
  1239
            display->fullscreen_window != window) {
slouken@8582
  1240
            SDL_MinimizeWindow(display->fullscreen_window);
slouken@8582
  1241
        }
slouken@8582
  1242
    }
slouken@8582
  1243
slouken@8582
  1244
    /* See if anything needs to be done now */
slouken@8582
  1245
    if ((display->fullscreen_window == window) == fullscreen) {
jorgen@8110
  1246
        if ((window->last_fullscreen_flags & FULLSCREEN_MASK) == (window->flags & FULLSCREEN_MASK)) {
slime73@9532
  1247
            return 0;
jorgen@8110
  1248
        }
slouken@8582
  1249
    }
slouken@8582
  1250
slouken@8582
  1251
    /* See if there are any fullscreen windows */
slouken@8582
  1252
    for (other = _this->windows; other; other = other->next) {
slouken@8582
  1253
        SDL_bool setDisplayMode = SDL_FALSE;
slouken@8582
  1254
slouken@8582
  1255
        if (other == window) {
slouken@8582
  1256
            setDisplayMode = fullscreen;
slouken@8582
  1257
        } else if (FULLSCREEN_VISIBLE(other) &&
slouken@8582
  1258
                   SDL_GetDisplayForWindow(other) == display) {
slouken@8582
  1259
            setDisplayMode = SDL_TRUE;
slouken@8582
  1260
        }
slouken@8582
  1261
slouken@8582
  1262
        if (setDisplayMode) {
slouken@8582
  1263
            SDL_DisplayMode fullscreen_mode;
slouken@8582
  1264
icculus@8656
  1265
            SDL_zero(fullscreen_mode);
icculus@8656
  1266
slouken@8582
  1267
            if (SDL_GetWindowDisplayMode(other, &fullscreen_mode) == 0) {
slouken@8582
  1268
                SDL_bool resized = SDL_TRUE;
slouken@8582
  1269
slouken@8582
  1270
                if (other->w == fullscreen_mode.w && other->h == fullscreen_mode.h) {
slouken@8582
  1271
                    resized = SDL_FALSE;
slouken@8582
  1272
                }
slouken@8582
  1273
slouken@8582
  1274
                /* only do the mode change if we want exclusive fullscreen */
slouken@8582
  1275
                if ((window->flags & SDL_WINDOW_FULLSCREEN_DESKTOP) != SDL_WINDOW_FULLSCREEN_DESKTOP) {
slime73@9532
  1276
                    if (SDL_SetDisplayModeForDisplay(display, &fullscreen_mode) < 0) {
slime73@9532
  1277
                        return -1;
slime73@9532
  1278
                    }
slouken@8582
  1279
                } else {
slime73@9532
  1280
                    if (SDL_SetDisplayModeForDisplay(display, NULL) < 0) {
slime73@9532
  1281
                        return -1;
slime73@9532
  1282
                    }
slouken@8582
  1283
                }
slouken@8582
  1284
slouken@8582
  1285
                if (_this->SetWindowFullscreen) {
slouken@8582
  1286
                    _this->SetWindowFullscreen(_this, other, display, SDL_TRUE);
slouken@8582
  1287
                }
slouken@8582
  1288
                display->fullscreen_window = other;
slouken@8582
  1289
slouken@8582
  1290
                /* Generate a mode change event here */
slouken@8582
  1291
                if (resized) {
slouken@8582
  1292
                    SDL_SendWindowEvent(other, SDL_WINDOWEVENT_RESIZED,
slouken@8582
  1293
                                        fullscreen_mode.w, fullscreen_mode.h);
slouken@8582
  1294
                } else {
slouken@8582
  1295
                    SDL_OnWindowResized(other);
slouken@8582
  1296
                }
slouken@8582
  1297
slouken@8582
  1298
                SDL_RestoreMousePosition(other);
jorgen@8110
  1299
jorgen@8110
  1300
                window->last_fullscreen_flags = window->flags;
slime73@9532
  1301
                return 0;
slouken@8582
  1302
            }
slouken@8582
  1303
        }
slouken@8582
  1304
    }
slouken@8582
  1305
slouken@8582
  1306
    /* Nope, restore the desktop mode */
slouken@8582
  1307
    SDL_SetDisplayModeForDisplay(display, NULL);
slouken@8582
  1308
slouken@8582
  1309
    if (_this->SetWindowFullscreen) {
slouken@8582
  1310
        _this->SetWindowFullscreen(_this, window, display, SDL_FALSE);
slouken@8582
  1311
    }
slouken@8582
  1312
    display->fullscreen_window = NULL;
slouken@8582
  1313
slouken@8582
  1314
    /* Generate a mode change event here */
slouken@8582
  1315
    SDL_OnWindowResized(window);
slouken@8582
  1316
slouken@8582
  1317
    /* Restore the cursor position */
slouken@8582
  1318
    SDL_RestoreMousePosition(window);
jorgen@8110
  1319
jorgen@8110
  1320
    window->last_fullscreen_flags = window->flags;
slime73@9532
  1321
    return 0;
slouken@8582
  1322
}
slouken@8582
  1323
slouken@8582
  1324
#define CREATE_FLAGS \
icculus@11365
  1325
    (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
  1326
slouken@8582
  1327
static void
slouken@8582
  1328
SDL_FinishWindowCreation(SDL_Window *window, Uint32 flags)
slouken@8582
  1329
{
slouken@8582
  1330
    if (flags & SDL_WINDOW_MAXIMIZED) {
slouken@8582
  1331
        SDL_MaximizeWindow(window);
slouken@8582
  1332
    }
slouken@8582
  1333
    if (flags & SDL_WINDOW_MINIMIZED) {
slouken@8582
  1334
        SDL_MinimizeWindow(window);
slouken@8582
  1335
    }
slouken@8582
  1336
    if (flags & SDL_WINDOW_FULLSCREEN) {
slouken@8582
  1337
        SDL_SetWindowFullscreen(window, flags);
slouken@8582
  1338
    }
slouken@8582
  1339
    if (flags & SDL_WINDOW_INPUT_GRABBED) {
slouken@8582
  1340
        SDL_SetWindowGrab(window, SDL_TRUE);
slouken@8582
  1341
    }
slouken@8582
  1342
    if (!(flags & SDL_WINDOW_HIDDEN)) {
slouken@8582
  1343
        SDL_ShowWindow(window);
slouken@8582
  1344
    }
slouken@8582
  1345
}
slouken@8582
  1346
slouken@8582
  1347
SDL_Window *
slouken@8582
  1348
SDL_CreateWindow(const char *title, int x, int y, int w, int h, Uint32 flags)
slouken@8582
  1349
{
slouken@8582
  1350
    SDL_Window *window;
slouken@8582
  1351
slouken@8582
  1352
    if (!_this) {
slouken@8582
  1353
        /* Initialize the video system if needed */
slouken@8582
  1354
        if (SDL_VideoInit(NULL) < 0) {
slouken@8582
  1355
            return NULL;
slouken@8582
  1356
        }
slouken@8582
  1357
    }
slouken@8582
  1358
slouken@10698
  1359
    if ((((flags & SDL_WINDOW_UTILITY) != 0) + ((flags & SDL_WINDOW_TOOLTIP) != 0) + ((flags & SDL_WINDOW_POPUP_MENU) != 0)) > 1) {
icculus@10021
  1360
        SDL_SetError("Conflicting window flags specified");
icculus@10021
  1361
        return NULL;
icculus@10021
  1362
    }
icculus@10021
  1363
slouken@8582
  1364
    /* Some platforms can't create zero-sized windows */
slouken@8582
  1365
    if (w < 1) {
slouken@8582
  1366
        w = 1;
slouken@8582
  1367
    }
slouken@8582
  1368
    if (h < 1) {
slouken@8582
  1369
        h = 1;
slouken@8582
  1370
    }
slouken@8582
  1371
icculus@9461
  1372
    /* Some platforms blow up if the windows are too large. Raise it later? */
icculus@9461
  1373
    if ((w > 16384) || (h > 16384)) {
icculus@9461
  1374
        SDL_SetError("Window is too large.");
icculus@9461
  1375
        return NULL;
icculus@9461
  1376
    }
icculus@9461
  1377
slouken@8582
  1378
    /* Some platforms have OpenGL enabled by default */
gabomdq@8833
  1379
#if (SDL_VIDEO_OPENGL && __MACOSX__) || __IPHONEOS__ || __ANDROID__ || __NACL__
icculus@11365
  1380
    if (!_this->is_dummy && !(flags & SDL_WINDOW_VULKAN)) {
slouken@10491
  1381
        flags |= SDL_WINDOW_OPENGL;
slouken@10491
  1382
    }
slouken@8582
  1383
#endif
slouken@8582
  1384
    if (flags & SDL_WINDOW_OPENGL) {
slouken@8582
  1385
        if (!_this->GL_CreateContext) {
slouken@8582
  1386
            SDL_SetError("No OpenGL support in video driver");
slouken@8582
  1387
            return NULL;
slouken@8582
  1388
        }
slouken@8582
  1389
        if (SDL_GL_LoadLibrary(NULL) < 0) {
slouken@8582
  1390
            return NULL;
slouken@8582
  1391
        }
slouken@8582
  1392
    }
slouken@8582
  1393
slouken@11379
  1394
    if (flags & SDL_WINDOW_VULKAN) {
slouken@11379
  1395
        if (!_this->Vulkan_CreateSurface) {
icculus@11365
  1396
            SDL_SetError("Vulkan support is either not configured in SDL "
slouken@11490
  1397
                         "or not available in video driver");
icculus@11365
  1398
            return NULL;
icculus@11365
  1399
        }
slouken@11379
  1400
        if (flags & SDL_WINDOW_OPENGL) {
icculus@11365
  1401
            SDL_SetError("Vulkan and OpenGL not supported on same window");
icculus@11365
  1402
            return NULL;
icculus@11365
  1403
        }
slouken@11379
  1404
        if (SDL_Vulkan_LoadLibrary(NULL) < 0) {
icculus@11365
  1405
            return NULL;
icculus@11365
  1406
        }
icculus@11365
  1407
    }
icculus@11365
  1408
slouken@8582
  1409
    /* Unless the user has specified the high-DPI disabling hint, respect the
slouken@8582
  1410
     * SDL_WINDOW_ALLOW_HIGHDPI flag.
slouken@8582
  1411
     */
slouken@8582
  1412
    if (flags & SDL_WINDOW_ALLOW_HIGHDPI) {
slouken@10499
  1413
        if (SDL_GetHintBoolean(SDL_HINT_VIDEO_HIGHDPI_DISABLED, SDL_FALSE)) {
slouken@8582
  1414
            flags &= ~SDL_WINDOW_ALLOW_HIGHDPI;
slouken@8582
  1415
        }
slouken@8582
  1416
    }
slouken@8582
  1417
slouken@8582
  1418
    window = (SDL_Window *)SDL_calloc(1, sizeof(*window));
slouken@8582
  1419
    if (!window) {
slouken@8582
  1420
        SDL_OutOfMemory();
slouken@8582
  1421
        return NULL;
slouken@8582
  1422
    }
slouken@8582
  1423
    window->magic = &_this->window_magic;
slouken@8582
  1424
    window->id = _this->next_object_id++;
slouken@8582
  1425
    window->x = x;
slouken@8582
  1426
    window->y = y;
slouken@8582
  1427
    window->w = w;
slouken@8582
  1428
    window->h = h;
slouken@8582
  1429
    if (SDL_WINDOWPOS_ISUNDEFINED(x) || SDL_WINDOWPOS_ISUNDEFINED(y) ||
slouken@8582
  1430
        SDL_WINDOWPOS_ISCENTERED(x) || SDL_WINDOWPOS_ISCENTERED(y)) {
slouken@8582
  1431
        SDL_VideoDisplay *display = SDL_GetDisplayForWindow(window);
slouken@8582
  1432
        int displayIndex;
slouken@8582
  1433
        SDL_Rect bounds;
slouken@8582
  1434
slouken@8582
  1435
        displayIndex = SDL_GetIndexOfDisplay(display);
slouken@8582
  1436
        SDL_GetDisplayBounds(displayIndex, &bounds);
slouken@8582
  1437
        if (SDL_WINDOWPOS_ISUNDEFINED(x) || SDL_WINDOWPOS_ISCENTERED(x)) {
slouken@8582
  1438
            window->x = bounds.x + (bounds.w - w) / 2;
slouken@8582
  1439
        }
slouken@8582
  1440
        if (SDL_WINDOWPOS_ISUNDEFINED(y) || SDL_WINDOWPOS_ISCENTERED(y)) {
slouken@8582
  1441
            window->y = bounds.y + (bounds.h - h) / 2;
slouken@8582
  1442
        }
slouken@8582
  1443
    }
slouken@10056
  1444
    window->windowed.x = window->x;
slouken@10056
  1445
    window->windowed.y = window->y;
slouken@10056
  1446
    window->windowed.w = window->w;
slouken@10056
  1447
    window->windowed.h = window->h;
slouken@10056
  1448
slouken@10056
  1449
    if (flags & SDL_WINDOW_FULLSCREEN) {
slouken@10056
  1450
        SDL_VideoDisplay *display = SDL_GetDisplayForWindow(window);
slouken@10056
  1451
        int displayIndex;
slouken@10056
  1452
        SDL_Rect bounds;
slouken@10056
  1453
slouken@10056
  1454
        displayIndex = SDL_GetIndexOfDisplay(display);
slouken@10056
  1455
        SDL_GetDisplayBounds(displayIndex, &bounds);
slouken@10056
  1456
slouken@10056
  1457
        window->x = bounds.x;
slouken@10056
  1458
        window->y = bounds.y;
slouken@10056
  1459
        window->w = bounds.w;
slouken@10056
  1460
        window->h = bounds.h;
slouken@10056
  1461
    }
slouken@10056
  1462
slouken@8582
  1463
    window->flags = ((flags & CREATE_FLAGS) | SDL_WINDOW_HIDDEN);
jorgen@8110
  1464
    window->last_fullscreen_flags = window->flags;
icculus@10025
  1465
    window->opacity = 1.0f;
slouken@8582
  1466
    window->brightness = 1.0f;
slouken@8582
  1467
    window->next = _this->windows;
jorgen@8112
  1468
    window->is_destroying = SDL_FALSE;
slouken@8582
  1469
slouken@8582
  1470
    if (_this->windows) {
slouken@8582
  1471
        _this->windows->prev = window;
slouken@8582
  1472
    }
slouken@8582
  1473
    _this->windows = window;
slouken@8582
  1474
slouken@11383
  1475
    if (_this->CreateSDLWindow && _this->CreateSDLWindow(_this, window) < 0) {
slouken@8582
  1476
        SDL_DestroyWindow(window);
slouken@8582
  1477
        return NULL;
slouken@8582
  1478
    }
slouken@8582
  1479
dludwig@9931
  1480
#if __WINRT__ && (NTDDI_VERSION < NTDDI_WIN10)
dludwig@9924
  1481
    /* HACK: WinRT 8.x apps can't choose whether or not they are fullscreen
dludwig@9924
  1482
       or not.  The user can choose this, via OS-provided UI, but this can't
dludwig@9924
  1483
       be set programmatically.
dludwig@9924
  1484
dludwig@9924
  1485
       Just look at what SDL's WinRT video backend code detected with regards
dludwig@9924
  1486
       to fullscreen (being active, or not), and figure out a return/error code
dludwig@9924
  1487
       from that.
dludwig@9924
  1488
    */
dludwig@9924
  1489
    flags = window->flags;
dludwig@9924
  1490
#endif
dludwig@9924
  1491
slouken@8582
  1492
    if (title) {
slouken@8582
  1493
        SDL_SetWindowTitle(window, title);
slouken@8582
  1494
    }
slouken@8582
  1495
    SDL_FinishWindowCreation(window, flags);
slouken@8582
  1496
slouken@8582
  1497
    /* If the window was created fullscreen, make sure the mode code matches */
slouken@8582
  1498
    SDL_UpdateFullscreenMode(window, FULLSCREEN_VISIBLE(window));
slouken@8582
  1499
slouken@8582
  1500
    return window;
slouken@8582
  1501
}
slouken@8582
  1502
slouken@8582
  1503
SDL_Window *
slouken@8582
  1504
SDL_CreateWindowFrom(const void *data)
slouken@8582
  1505
{
slouken@8582
  1506
    SDL_Window *window;
slouken@8582
  1507
slouken@8582
  1508
    if (!_this) {
slouken@8582
  1509
        SDL_UninitializedVideo();
slouken@8582
  1510
        return NULL;
slouken@8582
  1511
    }
slouken@11383
  1512
    if (!_this->CreateSDLWindowFrom) {
slouken@9163
  1513
        SDL_Unsupported();
slouken@9163
  1514
        return NULL;
slouken@9163
  1515
    }
slouken@8582
  1516
    window = (SDL_Window *)SDL_calloc(1, sizeof(*window));
slouken@8582
  1517
    if (!window) {
slouken@8582
  1518
        SDL_OutOfMemory();
slouken@8582
  1519
        return NULL;
slouken@8582
  1520
    }
slouken@8582
  1521
    window->magic = &_this->window_magic;
slouken@8582
  1522
    window->id = _this->next_object_id++;
slouken@8582
  1523
    window->flags = SDL_WINDOW_FOREIGN;
jorgen@8110
  1524
    window->last_fullscreen_flags = window->flags;
jorgen@8112
  1525
    window->is_destroying = SDL_FALSE;
icculus@10025
  1526
    window->opacity = 1.0f;
slouken@8582
  1527
    window->brightness = 1.0f;
slouken@8582
  1528
    window->next = _this->windows;
slouken@8582
  1529
    if (_this->windows) {
slouken@8582
  1530
        _this->windows->prev = window;
slouken@8582
  1531
    }
slouken@8582
  1532
    _this->windows = window;
slouken@8582
  1533
slouken@11383
  1534
    if (_this->CreateSDLWindowFrom(_this, window, data) < 0) {
slouken@8582
  1535
        SDL_DestroyWindow(window);
slouken@8582
  1536
        return NULL;
slouken@8582
  1537
    }
slouken@8582
  1538
    return window;
slouken@8582
  1539
}
slouken@8582
  1540
slouken@8582
  1541
int
slouken@8582
  1542
SDL_RecreateWindow(SDL_Window * window, Uint32 flags)
slouken@8582
  1543
{
slouken@8906
  1544
    SDL_bool loaded_opengl = SDL_FALSE;
slouken@8582
  1545
slouken@8582
  1546
    if ((flags & SDL_WINDOW_OPENGL) && !_this->GL_CreateContext) {
slouken@8582
  1547
        return SDL_SetError("No OpenGL support in video driver");
slouken@8582
  1548
    }
slouken@8582
  1549
slouken@8582
  1550
    if (window->flags & SDL_WINDOW_FOREIGN) {
slouken@8582
  1551
        /* Can't destroy and re-create foreign windows, hrm */
slouken@8582
  1552
        flags |= SDL_WINDOW_FOREIGN;
slouken@8582
  1553
    } else {
slouken@8582
  1554
        flags &= ~SDL_WINDOW_FOREIGN;
slouken@8582
  1555
    }
slouken@8582
  1556
slouken@8582
  1557
    /* Restore video mode, etc. */
slouken@8582
  1558
    SDL_HideWindow(window);
slouken@8582
  1559
slouken@8582
  1560
    /* Tear down the old native window */
slouken@8582
  1561
    if (window->surface) {
slouken@8582
  1562
        window->surface->flags &= ~SDL_DONTFREE;
slouken@8582
  1563
        SDL_FreeSurface(window->surface);
philipp@9988
  1564
        window->surface = NULL;
slouken@8582
  1565
    }
slouken@8582
  1566
    if (_this->DestroyWindowFramebuffer) {
slouken@8582
  1567
        _this->DestroyWindowFramebuffer(_this, window);
slouken@8582
  1568
    }
slouken@8582
  1569
    if (_this->DestroyWindow && !(flags & SDL_WINDOW_FOREIGN)) {
slouken@8582
  1570
        _this->DestroyWindow(_this, window);
slouken@8582
  1571
    }
slouken@8582
  1572
slouken@8582
  1573
    if ((window->flags & SDL_WINDOW_OPENGL) != (flags & SDL_WINDOW_OPENGL)) {
slouken@8582
  1574
        if (flags & SDL_WINDOW_OPENGL) {
slouken@8582
  1575
            if (SDL_GL_LoadLibrary(NULL) < 0) {
slouken@8582
  1576
                return -1;
slouken@8582
  1577
            }
slouken@8906
  1578
            loaded_opengl = SDL_TRUE;
slouken@8582
  1579
        } else {
slouken@8582
  1580
            SDL_GL_UnloadLibrary();
slouken@8582
  1581
        }
slouken@8582
  1582
    }
slouken@8582
  1583
icculus@11365
  1584
    if ((window->flags & SDL_WINDOW_VULKAN) != (flags & SDL_WINDOW_VULKAN)) {
icculus@11365
  1585
        SDL_SetError("Can't change SDL_WINDOW_VULKAN window flag");
icculus@11365
  1586
        return -1;
icculus@11365
  1587
    }
icculus@11365
  1588
icculus@11365
  1589
    if ((window->flags & SDL_WINDOW_VULKAN) && (flags & SDL_WINDOW_OPENGL)) {
icculus@11365
  1590
        SDL_SetError("Vulkan and OpenGL not supported on same window");
icculus@11365
  1591
        return -1;
icculus@11365
  1592
    }
icculus@11365
  1593
slouken@8582
  1594
    window->flags = ((flags & CREATE_FLAGS) | SDL_WINDOW_HIDDEN);
jorgen@8110
  1595
    window->last_fullscreen_flags = window->flags;
jorgen@8112
  1596
    window->is_destroying = SDL_FALSE;
slouken@8582
  1597
slouken@11383
  1598
    if (_this->CreateSDLWindow && !(flags & SDL_WINDOW_FOREIGN)) {
slouken@11383
  1599
        if (_this->CreateSDLWindow(_this, window) < 0) {
slouken@8906
  1600
            if (loaded_opengl) {
slouken@8582
  1601
                SDL_GL_UnloadLibrary();
slouken@8906
  1602
                window->flags &= ~SDL_WINDOW_OPENGL;
slouken@8582
  1603
            }
slouken@8582
  1604
            return -1;
slouken@8582
  1605
        }
slouken@8582
  1606
    }
slouken@9776
  1607
slouken@8708
  1608
    if (flags & SDL_WINDOW_FOREIGN) {
slouken@8708
  1609
        window->flags |= SDL_WINDOW_FOREIGN;
slouken@8708
  1610
    }
slouken@8582
  1611
slouken@9776
  1612
    if (_this->SetWindowTitle && window->title) {
slouken@9776
  1613
        _this->SetWindowTitle(_this, window);
slouken@8582
  1614
    }
slouken@9776
  1615
slouken@9776
  1616
    if (_this->SetWindowIcon && window->icon) {
slouken@9776
  1617
        _this->SetWindowIcon(_this, window, window->icon);
slouken@8582
  1618
    }
icculus@8931
  1619
icculus@8953
  1620
    if (window->hit_test) {
icculus@8935
  1621
        _this->SetWindowHitTest(window, SDL_TRUE);
icculus@8931
  1622
    }
icculus@8931
  1623
slouken@8582
  1624
    SDL_FinishWindowCreation(window, flags);
slouken@8582
  1625
slouken@8582
  1626
    return 0;
slouken@8582
  1627
}
slouken@8582
  1628
slouken@11255
  1629
SDL_bool
slime73@11305
  1630
SDL_HasWindows(void)
slouken@11255
  1631
{
slouken@11255
  1632
    return (_this && _this->windows != NULL);
slouken@11255
  1633
}
slouken@11255
  1634
slouken@8582
  1635
Uint32
slouken@8582
  1636
SDL_GetWindowID(SDL_Window * window)
slouken@8582
  1637
{
slouken@8582
  1638
    CHECK_WINDOW_MAGIC(window, 0);
slouken@8582
  1639
slouken@8582
  1640
    return window->id;
slouken@8582
  1641
}
slouken@8582
  1642
slouken@8582
  1643
SDL_Window *
slouken@8582
  1644
SDL_GetWindowFromID(Uint32 id)
slouken@8582
  1645
{
slouken@8582
  1646
    SDL_Window *window;
slouken@8582
  1647
slouken@8582
  1648
    if (!_this) {
slouken@8582
  1649
        return NULL;
slouken@8582
  1650
    }
slouken@8582
  1651
    for (window = _this->windows; window; window = window->next) {
slouken@8582
  1652
        if (window->id == id) {
slouken@8582
  1653
            return window;
slouken@8582
  1654
        }
slouken@8582
  1655
    }
slouken@8582
  1656
    return NULL;
slouken@8582
  1657
}
slouken@8582
  1658
slouken@8582
  1659
Uint32
slouken@8582
  1660
SDL_GetWindowFlags(SDL_Window * window)
slouken@8582
  1661
{
slouken@8582
  1662
    CHECK_WINDOW_MAGIC(window, 0);
slouken@8582
  1663
slouken@8582
  1664
    return window->flags;
slouken@8582
  1665
}
slouken@8582
  1666
slouken@8582
  1667
void
slouken@8582
  1668
SDL_SetWindowTitle(SDL_Window * window, const char *title)
slouken@8582
  1669
{
slouken@8818
  1670
    CHECK_WINDOW_MAGIC(window,);
slouken@8582
  1671
slouken@8582
  1672
    if (title == window->title) {
slouken@8582
  1673
        return;
slouken@8582
  1674
    }
slouken@8582
  1675
    SDL_free(window->title);
icculus@9474
  1676
icculus@9474
  1677
    window->title = SDL_strdup(title ? title : "");
slouken@8582
  1678
slouken@8582
  1679
    if (_this->SetWindowTitle) {
slouken@8582
  1680
        _this->SetWindowTitle(_this, window);
slouken@8582
  1681
    }
slouken@8582
  1682
}
slouken@8582
  1683
slouken@8582
  1684
const char *
slouken@8582
  1685
SDL_GetWindowTitle(SDL_Window * window)
slouken@8582
  1686
{
slouken@8582
  1687
    CHECK_WINDOW_MAGIC(window, "");
slouken@8582
  1688
slouken@8582
  1689
    return window->title ? window->title : "";
slouken@8582
  1690
}
slouken@8582
  1691
slouken@8582
  1692
void
slouken@8582
  1693
SDL_SetWindowIcon(SDL_Window * window, SDL_Surface * icon)
slouken@8582
  1694
{
slouken@8818
  1695
    CHECK_WINDOW_MAGIC(window,);
slouken@8582
  1696
slouken@8582
  1697
    if (!icon) {
slouken@8582
  1698
        return;
slouken@8582
  1699
    }
slouken@8582
  1700
slouken@8582
  1701
    SDL_FreeSurface(window->icon);
slouken@8582
  1702
slouken@8582
  1703
    /* Convert the icon into ARGB8888 */
slouken@8582
  1704
    window->icon = SDL_ConvertSurfaceFormat(icon, SDL_PIXELFORMAT_ARGB8888, 0);
slouken@8582
  1705
    if (!window->icon) {
slouken@8582
  1706
        return;
slouken@8582
  1707
    }
slouken@8582
  1708
slouken@8582
  1709
    if (_this->SetWindowIcon) {
slouken@8582
  1710
        _this->SetWindowIcon(_this, window, window->icon);
slouken@8582
  1711
    }
slouken@8582
  1712
}
slouken@8582
  1713
slouken@8582
  1714
void*
slouken@8582
  1715
SDL_SetWindowData(SDL_Window * window, const char *name, void *userdata)
slouken@8582
  1716
{
slouken@8582
  1717
    SDL_WindowUserData *prev, *data;
slouken@8582
  1718
slouken@8582
  1719
    CHECK_WINDOW_MAGIC(window, NULL);
slouken@8582
  1720
slouken@8582
  1721
    /* Input validation */
slouken@8582
  1722
    if (name == NULL || name[0] == '\0') {
slouken@8582
  1723
      SDL_InvalidParamError("name");
slouken@8582
  1724
      return NULL;
slouken@8582
  1725
    }
slouken@8582
  1726
slouken@8582
  1727
    /* See if the named data already exists */
slouken@8582
  1728
    prev = NULL;
slouken@8582
  1729
    for (data = window->data; data; prev = data, data = data->next) {
slouken@8582
  1730
        if (data->name && SDL_strcmp(data->name, name) == 0) {
slouken@8582
  1731
            void *last_value = data->data;
slouken@8582
  1732
slouken@8582
  1733
            if (userdata) {
slouken@8582
  1734
                /* Set the new value */
slouken@8582
  1735
                data->data = userdata;
slouken@8582
  1736
            } else {
slouken@8582
  1737
                /* Delete this value */
slouken@8582
  1738
                if (prev) {
slouken@8582
  1739
                    prev->next = data->next;
slouken@8582
  1740
                } else {
slouken@8582
  1741
                    window->data = data->next;
slouken@8582
  1742
                }
slouken@8582
  1743
                SDL_free(data->name);
slouken@8582
  1744
                SDL_free(data);
slouken@8582
  1745
            }
slouken@8582
  1746
            return last_value;
slouken@8582
  1747
        }
slouken@8582
  1748
    }
slouken@8582
  1749
slouken@8582
  1750
    /* Add new data to the window */
slouken@8582
  1751
    if (userdata) {
slouken@8582
  1752
        data = (SDL_WindowUserData *)SDL_malloc(sizeof(*data));
slouken@8582
  1753
        data->name = SDL_strdup(name);
slouken@8582
  1754
        data->data = userdata;
slouken@8582
  1755
        data->next = window->data;
slouken@8582
  1756
        window->data = data;
slouken@8582
  1757
    }
slouken@8582
  1758
    return NULL;
slouken@8582
  1759
}
slouken@8582
  1760
slouken@8582
  1761
void *
slouken@8582
  1762
SDL_GetWindowData(SDL_Window * window, const char *name)
slouken@8582
  1763
{
slouken@8582
  1764
    SDL_WindowUserData *data;
slouken@8582
  1765
slouken@8582
  1766
    CHECK_WINDOW_MAGIC(window, NULL);
slouken@8582
  1767
slouken@8582
  1768
    /* Input validation */
slouken@8582
  1769
    if (name == NULL || name[0] == '\0') {
slouken@8582
  1770
      SDL_InvalidParamError("name");
slouken@8582
  1771
      return NULL;
slouken@8582
  1772
    }
slouken@8582
  1773
slouken@8582
  1774
    for (data = window->data; data; data = data->next) {
slouken@8582
  1775
        if (data->name && SDL_strcmp(data->name, name) == 0) {
slouken@8582
  1776
            return data->data;
slouken@8582
  1777
        }
slouken@8582
  1778
    }
slouken@8582
  1779
    return NULL;
slouken@8582
  1780
}
slouken@8582
  1781
slouken@8582
  1782
void
slouken@8582
  1783
SDL_SetWindowPosition(SDL_Window * window, int x, int y)
slouken@8582
  1784
{
slouken@8818
  1785
    CHECK_WINDOW_MAGIC(window,);
slouken@8582
  1786
slouken@8582
  1787
    if (SDL_WINDOWPOS_ISCENTERED(x) || SDL_WINDOWPOS_ISCENTERED(y)) {
urkle@9363
  1788
        int displayIndex = (x & 0xFFFF);
slouken@8582
  1789
        SDL_Rect bounds;
slouken@10732
  1790
        if (displayIndex >= _this->num_displays) {
urkle@9363
  1791
            displayIndex = 0;
urkle@9363
  1792
        }
slouken@8582
  1793
icculus@8655
  1794
        SDL_zero(bounds);
icculus@8655
  1795
slouken@8582
  1796
        SDL_GetDisplayBounds(displayIndex, &bounds);
slouken@8582
  1797
        if (SDL_WINDOWPOS_ISCENTERED(x)) {
slouken@8582
  1798
            x = bounds.x + (bounds.w - window->w) / 2;
slouken@8582
  1799
        }
slouken@8582
  1800
        if (SDL_WINDOWPOS_ISCENTERED(y)) {
slouken@8582
  1801
            y = bounds.y + (bounds.h - window->h) / 2;
slouken@8582
  1802
        }
slouken@8582
  1803
    }
slouken@8582
  1804
slouken@8582
  1805
    if ((window->flags & SDL_WINDOW_FULLSCREEN)) {
slouken@8582
  1806
        if (!SDL_WINDOWPOS_ISUNDEFINED(x)) {
slouken@8582
  1807
            window->windowed.x = x;
slouken@8582
  1808
        }
slouken@8582
  1809
        if (!SDL_WINDOWPOS_ISUNDEFINED(y)) {
slouken@8582
  1810
            window->windowed.y = y;
slouken@8582
  1811
        }
slouken@8582
  1812
    } else {
slouken@8582
  1813
        if (!SDL_WINDOWPOS_ISUNDEFINED(x)) {
slouken@8582
  1814
            window->x = x;
slouken@8582
  1815
        }
slouken@8582
  1816
        if (!SDL_WINDOWPOS_ISUNDEFINED(y)) {
slouken@8582
  1817
            window->y = y;
slouken@8582
  1818
        }
slouken@8582
  1819
slouken@8582
  1820
        if (_this->SetWindowPosition) {
slouken@8582
  1821
            _this->SetWindowPosition(_this, window);
slouken@8582
  1822
        }
slouken@8582
  1823
        SDL_SendWindowEvent(window, SDL_WINDOWEVENT_MOVED, x, y);
slouken@8582
  1824
    }
slouken@8582
  1825
}
slouken@8582
  1826
slouken@8582
  1827
void
slouken@8582
  1828
SDL_GetWindowPosition(SDL_Window * window, int *x, int *y)
slouken@8582
  1829
{
slouken@8818
  1830
    CHECK_WINDOW_MAGIC(window,);
slouken@8582
  1831
slouken@8582
  1832
    /* Fullscreen windows are always at their display's origin */
slouken@8582
  1833
    if (window->flags & SDL_WINDOW_FULLSCREEN) {
alfred@9818
  1834
        int displayIndex;
alfred@9818
  1835
        
slouken@8582
  1836
        if (x) {
slouken@8582
  1837
            *x = 0;
slouken@8582
  1838
        }
slouken@8582
  1839
        if (y) {
slouken@8582
  1840
            *y = 0;
slouken@8582
  1841
        }
alfred@9818
  1842
alfred@9818
  1843
        /* Find the window's monitor and update to the
alfred@9818
  1844
           monitor offset. */
alfred@9818
  1845
        displayIndex = SDL_GetWindowDisplayIndex(window);
alfred@9818
  1846
        if (displayIndex >= 0) {
alfred@9818
  1847
            SDL_Rect bounds;
alfred@9818
  1848
alfred@9818
  1849
            SDL_zero(bounds);
alfred@9818
  1850
alfred@9818
  1851
            SDL_GetDisplayBounds(displayIndex, &bounds);
alfred@9818
  1852
            if (x) {
alfred@9818
  1853
                *x = bounds.x;
alfred@9818
  1854
            }
alfred@9818
  1855
            if (y) {
alfred@9818
  1856
                *y = bounds.y;
alfred@9818
  1857
            }
alfred@9818
  1858
        }
slouken@8582
  1859
    } else {
slouken@8582
  1860
        if (x) {
slouken@8582
  1861
            *x = window->x;
slouken@8582
  1862
        }
slouken@8582
  1863
        if (y) {
slouken@8582
  1864
            *y = window->y;
slouken@8582
  1865
        }
slouken@8582
  1866
    }
slouken@8582
  1867
}
slouken@8582
  1868
slouken@8582
  1869
void
slouken@8582
  1870
SDL_SetWindowBordered(SDL_Window * window, SDL_bool bordered)
slouken@8582
  1871
{
slouken@8818
  1872
    CHECK_WINDOW_MAGIC(window,);
slouken@8582
  1873
    if (!(window->flags & SDL_WINDOW_FULLSCREEN)) {
slouken@8582
  1874
        const int want = (bordered != SDL_FALSE);  /* normalize the flag. */
slouken@8582
  1875
        const int have = ((window->flags & SDL_WINDOW_BORDERLESS) == 0);
slouken@8582
  1876
        if ((want != have) && (_this->SetWindowBordered)) {
slouken@8582
  1877
            if (want) {
slouken@8582
  1878
                window->flags &= ~SDL_WINDOW_BORDERLESS;
slouken@8582
  1879
            } else {
slouken@8582
  1880
                window->flags |= SDL_WINDOW_BORDERLESS;
slouken@8582
  1881
            }
slouken@8582
  1882
            _this->SetWindowBordered(_this, window, (SDL_bool) want);
slouken@8582
  1883
        }
slouken@8582
  1884
    }
slouken@8582
  1885
}
slouken@8582
  1886
slouken@8582
  1887
void
icculus@10385
  1888
SDL_SetWindowResizable(SDL_Window * window, SDL_bool resizable)
icculus@10385
  1889
{
icculus@10385
  1890
    CHECK_WINDOW_MAGIC(window,);
icculus@10385
  1891
    if (!(window->flags & SDL_WINDOW_FULLSCREEN)) {
icculus@10385
  1892
        const int want = (resizable != SDL_FALSE);  /* normalize the flag. */
icculus@10385
  1893
        const int have = ((window->flags & SDL_WINDOW_RESIZABLE) != 0);
icculus@10385
  1894
        if ((want != have) && (_this->SetWindowResizable)) {
icculus@10385
  1895
            if (want) {
icculus@10385
  1896
                window->flags |= SDL_WINDOW_RESIZABLE;
icculus@10385
  1897
            } else {
icculus@10385
  1898
                window->flags &= ~SDL_WINDOW_RESIZABLE;
icculus@10385
  1899
            }
icculus@10385
  1900
            _this->SetWindowResizable(_this, window, (SDL_bool) want);
icculus@10385
  1901
        }
icculus@10385
  1902
    }
icculus@10385
  1903
}
icculus@10385
  1904
icculus@10385
  1905
void
slouken@8582
  1906
SDL_SetWindowSize(SDL_Window * window, int w, int h)
slouken@8582
  1907
{
slouken@8818
  1908
    CHECK_WINDOW_MAGIC(window,);
slouken@8582
  1909
    if (w <= 0) {
slouken@8582
  1910
        SDL_InvalidParamError("w");
slouken@8582
  1911
        return;
slouken@8582
  1912
    }
slouken@8582
  1913
    if (h <= 0) {
slouken@8582
  1914
        SDL_InvalidParamError("h");
slouken@8582
  1915
        return;
slouken@8582
  1916
    }
slouken@8582
  1917
slouken@8582
  1918
    /* Make sure we don't exceed any window size limits */
slouken@11379
  1919
    if (window->min_w && w < window->min_w) {
slouken@8582
  1920
        w = window->min_w;
slouken@8582
  1921
    }
slouken@11379
  1922
    if (window->max_w && w > window->max_w) {
slouken@8582
  1923
        w = window->max_w;
slouken@8582
  1924
    }
slouken@11379
  1925
    if (window->min_h && h < window->min_h) {
slouken@8582
  1926
        h = window->min_h;
slouken@8582
  1927
    }
slouken@11379
  1928
    if (window->max_h && h > window->max_h) {
slouken@8582
  1929
        h = window->max_h;
slouken@8582
  1930
    }
slouken@8582
  1931
slouken@8823
  1932
    window->windowed.w = w;
slouken@8823
  1933
    window->windowed.h = h;
slouken@8823
  1934
slouken@8582
  1935
    if (window->flags & SDL_WINDOW_FULLSCREEN) {
slouken@8818
  1936
        if (FULLSCREEN_VISIBLE(window) && (window->flags & SDL_WINDOW_FULLSCREEN_DESKTOP) != SDL_WINDOW_FULLSCREEN_DESKTOP) {
slouken@8823
  1937
            window->last_fullscreen_flags = 0;
slouken@8823
  1938
            SDL_UpdateFullscreenMode(window, SDL_TRUE);
slouken@8818
  1939
        }
slouken@8582
  1940
    } else {
slouken@8582
  1941
        window->w = w;
slouken@8582
  1942
        window->h = h;
slouken@8582
  1943
        if (_this->SetWindowSize) {
slouken@8582
  1944
            _this->SetWindowSize(_this, window);
slouken@8582
  1945
        }
slouken@8582
  1946
        if (window->w == w && window->h == h) {
slouken@8582
  1947
            /* We didn't get a SDL_WINDOWEVENT_RESIZED event (by design) */
slouken@8582
  1948
            SDL_OnWindowResized(window);
slouken@8582
  1949
        }
slouken@8582
  1950
    }
slouken@8582
  1951
}
slouken@8582
  1952
slouken@8582
  1953
void
slouken@8582
  1954
SDL_GetWindowSize(SDL_Window * window, int *w, int *h)
slouken@8582
  1955
{
slouken@8818
  1956
    CHECK_WINDOW_MAGIC(window,);
slouken@8582
  1957
    if (w) {
slouken@8582
  1958
        *w = window->w;
slouken@8582
  1959
    }
slouken@8582
  1960
    if (h) {
slouken@8582
  1961
        *h = window->h;
slouken@8582
  1962
    }
slouken@8582
  1963
}
slouken@8582
  1964
slouken@10860
  1965
int
slouken@10860
  1966
SDL_GetWindowBordersSize(SDL_Window * window, int *top, int *left, int *bottom, int *right)
slouken@10860
  1967
{
slouken@10860
  1968
    int dummy = 0;
slouken@10860
  1969
slouken@10860
  1970
    if (!top) { top = &dummy; }
slouken@10860
  1971
    if (!left) { left = &dummy; }
slouken@10860
  1972
    if (!right) { right = &dummy; }
slouken@10860
  1973
    if (!bottom) { bottom = &dummy; }
slouken@10860
  1974
slouken@10860
  1975
    /* Always initialize, so applications don't have to care */
slouken@10860
  1976
    *top = *left = *bottom = *right = 0;
slouken@10860
  1977
slouken@10860
  1978
    CHECK_WINDOW_MAGIC(window, -1);
slouken@10860
  1979
slouken@10860
  1980
    if (!_this->GetWindowBordersSize) {
slouken@10860
  1981
        return SDL_Unsupported();
slouken@10860
  1982
    }
slouken@10860
  1983
slouken@10860
  1984
    return _this->GetWindowBordersSize(_this, window, top, left, bottom, right);
slouken@10860
  1985
}
slouken@10860
  1986
slouken@8582
  1987
void
slouken@8582
  1988
SDL_SetWindowMinimumSize(SDL_Window * window, int min_w, int min_h)
slouken@8582
  1989
{
slouken@8818
  1990
    CHECK_WINDOW_MAGIC(window,);
slouken@8582
  1991
    if (min_w <= 0) {
slouken@8582
  1992
        SDL_InvalidParamError("min_w");
slouken@8582
  1993
        return;
slouken@8582
  1994
    }
slouken@8582
  1995
    if (min_h <= 0) {
slouken@8582
  1996
        SDL_InvalidParamError("min_h");
slouken@8582
  1997
        return;
slouken@8582
  1998
    }
slouken@8582
  1999
slouken@10871
  2000
    if ((window->max_w && min_w >= window->max_w) ||
slouken@10871
  2001
        (window->max_h && min_h >= window->max_h)) {
slouken@10860
  2002
        SDL_SetError("SDL_SetWindowMinimumSize(): Tried to set minimum size larger than maximum size");
slouken@10860
  2003
        return;
slouken@10860
  2004
    }
slouken@10860
  2005
slouken@10860
  2006
    window->min_w = min_w;
slouken@10860
  2007
    window->min_h = min_h;
slouken@10860
  2008
slouken@8582
  2009
    if (!(window->flags & SDL_WINDOW_FULLSCREEN)) {
slouken@8582
  2010
        if (_this->SetWindowMinimumSize) {
slouken@8582
  2011
            _this->SetWindowMinimumSize(_this, window);
slouken@8582
  2012
        }
slouken@8582
  2013
        /* Ensure that window is not smaller than minimal size */
slouken@8582
  2014
        SDL_SetWindowSize(window, SDL_max(window->w, window->min_w), SDL_max(window->h, window->min_h));
slouken@8582
  2015
    }
slouken@8582
  2016
}
slouken@8582
  2017
slouken@8582
  2018
void
slouken@8582
  2019
SDL_GetWindowMinimumSize(SDL_Window * window, int *min_w, int *min_h)
slouken@8582
  2020
{
slouken@8818
  2021
    CHECK_WINDOW_MAGIC(window,);
slouken@8582
  2022
    if (min_w) {
slouken@8582
  2023
        *min_w = window->min_w;
slouken@8582
  2024
    }
slouken@8582
  2025
    if (min_h) {
slouken@8582
  2026
        *min_h = window->min_h;
slouken@8582
  2027
    }
slouken@8582
  2028
}
slouken@8582
  2029
slouken@8582
  2030
void
slouken@8582
  2031
SDL_SetWindowMaximumSize(SDL_Window * window, int max_w, int max_h)
slouken@8582
  2032
{
slouken@8818
  2033
    CHECK_WINDOW_MAGIC(window,);
slouken@8582
  2034
    if (max_w <= 0) {
slouken@8582
  2035
        SDL_InvalidParamError("max_w");
slouken@8582
  2036
        return;
slouken@8582
  2037
    }
slouken@8582
  2038
    if (max_h <= 0) {
slouken@8582
  2039
        SDL_InvalidParamError("max_h");
slouken@8582
  2040
        return;
slouken@8582
  2041
    }
slouken@8582
  2042
slouken@10860
  2043
    if (max_w <= window->min_w || max_h <= window->min_h) {
slouken@10860
  2044
        SDL_SetError("SDL_SetWindowMaximumSize(): Tried to set maximum size smaller than minimum size");
slouken@10860
  2045
        return;
slouken@10860
  2046
    }
slouken@10860
  2047
slouken@10860
  2048
    window->max_w = max_w;
slouken@10860
  2049
    window->max_h = max_h;
slouken@10860
  2050
slouken@8582
  2051
    if (!(window->flags & SDL_WINDOW_FULLSCREEN)) {
slouken@8582
  2052
        if (_this->SetWindowMaximumSize) {
slouken@8582
  2053
            _this->SetWindowMaximumSize(_this, window);
slouken@8582
  2054
        }
slouken@8582
  2055
        /* Ensure that window is not larger than maximal size */
slouken@8582
  2056
        SDL_SetWindowSize(window, SDL_min(window->w, window->max_w), SDL_min(window->h, window->max_h));
slouken@8582
  2057
    }
slouken@8582
  2058
}
slouken@8582
  2059
slouken@8582
  2060
void
slouken@8582
  2061
SDL_GetWindowMaximumSize(SDL_Window * window, int *max_w, int *max_h)
slouken@8582
  2062
{
slouken@8818
  2063
    CHECK_WINDOW_MAGIC(window,);
slouken@8582
  2064
    if (max_w) {
slouken@8582
  2065
        *max_w = window->max_w;
slouken@8582
  2066
    }
slouken@8582
  2067
    if (max_h) {
slouken@8582
  2068
        *max_h = window->max_h;
slouken@8582
  2069
    }
slouken@8582
  2070
}
slouken@8582
  2071
slouken@8582
  2072
void
slouken@8582
  2073
SDL_ShowWindow(SDL_Window * window)
slouken@8582
  2074
{
slouken@8818
  2075
    CHECK_WINDOW_MAGIC(window,);
slouken@8582
  2076
slouken@8582
  2077
    if (window->flags & SDL_WINDOW_SHOWN) {
slouken@8582
  2078
        return;
slouken@8582
  2079
    }
slouken@8582
  2080
slouken@8582
  2081
    if (_this->ShowWindow) {
slouken@8582
  2082
        _this->ShowWindow(_this, window);
slouken@8582
  2083
    }
slouken@8582
  2084
    SDL_SendWindowEvent(window, SDL_WINDOWEVENT_SHOWN, 0, 0);
slouken@8582
  2085
}
slouken@8582
  2086
slouken@8582
  2087
void
slouken@8582
  2088
SDL_HideWindow(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@11490
  2096
    window->is_hiding = SDL_TRUE;
slouken@8582
  2097
    SDL_UpdateFullscreenMode(window, SDL_FALSE);
slouken@8582
  2098
slouken@8582
  2099
    if (_this->HideWindow) {
slouken@8582
  2100
        _this->HideWindow(_this, window);
slouken@8582
  2101
    }
slouken@11490
  2102
    window->is_hiding = SDL_FALSE;
slouken@8582
  2103
    SDL_SendWindowEvent(window, SDL_WINDOWEVENT_HIDDEN, 0, 0);
slouken@8582
  2104
}
slouken@8582
  2105
slouken@8582
  2106
void
slouken@8582
  2107
SDL_RaiseWindow(SDL_Window * window)
slouken@8582
  2108
{
slouken@8818
  2109
    CHECK_WINDOW_MAGIC(window,);
slouken@8582
  2110
slouken@8582
  2111
    if (!(window->flags & SDL_WINDOW_SHOWN)) {
slouken@8582
  2112
        return;
slouken@8582
  2113
    }
slouken@8582
  2114
    if (_this->RaiseWindow) {
slouken@8582
  2115
        _this->RaiseWindow(_this, window);
slouken@8582
  2116
    }
slouken@8582
  2117
}
slouken@8582
  2118
slouken@8582
  2119
void
slouken@8582
  2120
SDL_MaximizeWindow(SDL_Window * window)
slouken@8582
  2121
{
slouken@8818
  2122
    CHECK_WINDOW_MAGIC(window,);
slouken@8582
  2123
slouken@8582
  2124
    if (window->flags & SDL_WINDOW_MAXIMIZED) {
slouken@8582
  2125
        return;
slouken@8582
  2126
    }
slouken@8582
  2127
slouken@8582
  2128
    /* !!! FIXME: should this check if the window is resizable? */
slouken@8582
  2129
slouken@8582
  2130
    if (_this->MaximizeWindow) {
slouken@8582
  2131
        _this->MaximizeWindow(_this, window);
slouken@8582
  2132
    }
slouken@8582
  2133
}
slouken@8582
  2134
slouken@8582
  2135
void
slouken@8582
  2136
SDL_MinimizeWindow(SDL_Window * window)
slouken@8582
  2137
{
slouken@8818
  2138
    CHECK_WINDOW_MAGIC(window,);
slouken@8582
  2139
slouken@8582
  2140
    if (window->flags & SDL_WINDOW_MINIMIZED) {
slouken@8582
  2141
        return;
slouken@8582
  2142
    }
slouken@8582
  2143
slouken@8582
  2144
    SDL_UpdateFullscreenMode(window, SDL_FALSE);
slouken@8582
  2145
slouken@8582
  2146
    if (_this->MinimizeWindow) {
slouken@8582
  2147
        _this->MinimizeWindow(_this, window);
slouken@8582
  2148
    }
slouken@8582
  2149
}
slouken@8582
  2150
slouken@8582
  2151
void
slouken@8582
  2152
SDL_RestoreWindow(SDL_Window * window)
slouken@8582
  2153
{
slouken@8818
  2154
    CHECK_WINDOW_MAGIC(window,);
slouken@8582
  2155
slouken@8582
  2156
    if (!(window->flags & (SDL_WINDOW_MAXIMIZED | SDL_WINDOW_MINIMIZED))) {
slouken@8582
  2157
        return;
slouken@8582
  2158
    }
slouken@8582
  2159
slouken@8582
  2160
    if (_this->RestoreWindow) {
slouken@8582
  2161
        _this->RestoreWindow(_this, window);
slouken@8582
  2162
    }
slouken@8582
  2163
}
slouken@8582
  2164
slouken@8582
  2165
int
slouken@8582
  2166
SDL_SetWindowFullscreen(SDL_Window * window, Uint32 flags)
slouken@8582
  2167
{
slouken@9905
  2168
    Uint32 oldflags;
slouken@8582
  2169
    CHECK_WINDOW_MAGIC(window, -1);
slouken@8582
  2170
slouken@8582
  2171
    flags &= FULLSCREEN_MASK;
slouken@8582
  2172
slouken@8818
  2173
    if (flags == (window->flags & FULLSCREEN_MASK)) {
slouken@8582
  2174
        return 0;
slouken@8582
  2175
    }
slouken@8582
  2176
slouken@8582
  2177
    /* clear the previous flags and OR in the new ones */
slouken@9905
  2178
    oldflags = window->flags & FULLSCREEN_MASK;
slouken@8582
  2179
    window->flags &= ~FULLSCREEN_MASK;
slouken@8582
  2180
    window->flags |= flags;
slouken@8582
  2181
slouken@9905
  2182
    if (SDL_UpdateFullscreenMode(window, FULLSCREEN_VISIBLE(window)) == 0) {
slouken@9905
  2183
        return 0;
slouken@9905
  2184
    }
slouken@9905
  2185
    
slouken@9905
  2186
    window->flags &= ~FULLSCREEN_MASK;
slouken@9905
  2187
    window->flags |= oldflags;
slouken@9905
  2188
    return -1;
slouken@8582
  2189
}
slouken@8582
  2190
slouken@8582
  2191
static SDL_Surface *
slouken@8582
  2192
SDL_CreateWindowFramebuffer(SDL_Window * window)
slouken@8582
  2193
{
slouken@8582
  2194
    Uint32 format;
slouken@8582
  2195
    void *pixels;
slouken@8582
  2196
    int pitch;
slouken@8582
  2197
    int bpp;
slouken@8582
  2198
    Uint32 Rmask, Gmask, Bmask, Amask;
slouken@8582
  2199
slouken@8582
  2200
    if (!_this->CreateWindowFramebuffer || !_this->UpdateWindowFramebuffer) {
slouken@8582
  2201
        return NULL;
slouken@8582
  2202
    }
slouken@8582
  2203
slouken@8582
  2204
    if (_this->CreateWindowFramebuffer(_this, window, &format, &pixels, &pitch) < 0) {
slouken@8582
  2205
        return NULL;
slouken@8582
  2206
    }
slouken@8582
  2207
slouken@8582
  2208
    if (!SDL_PixelFormatEnumToMasks(format, &bpp, &Rmask, &Gmask, &Bmask, &Amask)) {
slouken@8582
  2209
        return NULL;
slouken@8582
  2210
    }
slouken@8582
  2211
slouken@8582
  2212
    return SDL_CreateRGBSurfaceFrom(pixels, window->w, window->h, bpp, pitch, Rmask, Gmask, Bmask, Amask);
slouken@8582
  2213
}
slouken@8582
  2214
slouken@8582
  2215
SDL_Surface *
slouken@8582
  2216
SDL_GetWindowSurface(SDL_Window * window)
slouken@8582
  2217
{
slouken@8582
  2218
    CHECK_WINDOW_MAGIC(window, NULL);
slouken@8582
  2219
slouken@8582
  2220
    if (!window->surface_valid) {
slouken@8582
  2221
        if (window->surface) {
slouken@8582
  2222
            window->surface->flags &= ~SDL_DONTFREE;
slouken@8582
  2223
            SDL_FreeSurface(window->surface);
slouken@8582
  2224
        }
slouken@8582
  2225
        window->surface = SDL_CreateWindowFramebuffer(window);
slouken@8582
  2226
        if (window->surface) {
slouken@8582
  2227
            window->surface_valid = SDL_TRUE;
slouken@8582
  2228
            window->surface->flags |= SDL_DONTFREE;
slouken@8582
  2229
        }
slouken@8582
  2230
    }
slouken@8582
  2231
    return window->surface;
slouken@8582
  2232
}
slouken@8582
  2233
slouken@8582
  2234
int
slouken@8582
  2235
SDL_UpdateWindowSurface(SDL_Window * window)
slouken@8582
  2236
{
slouken@8582
  2237
    SDL_Rect full_rect;
slouken@8582
  2238
slouken@8582
  2239
    CHECK_WINDOW_MAGIC(window, -1);
slouken@8582
  2240
slouken@8582
  2241
    full_rect.x = 0;
slouken@8582
  2242
    full_rect.y = 0;
slouken@8582
  2243
    full_rect.w = window->w;
slouken@8582
  2244
    full_rect.h = window->h;
slouken@8582
  2245
    return SDL_UpdateWindowSurfaceRects(window, &full_rect, 1);
slouken@8582
  2246
}
slouken@8582
  2247
slouken@8582
  2248
int
slouken@8582
  2249
SDL_UpdateWindowSurfaceRects(SDL_Window * window, const SDL_Rect * rects,
slouken@8582
  2250
                             int numrects)
slouken@8582
  2251
{
slouken@8582
  2252
    CHECK_WINDOW_MAGIC(window, -1);
slouken@8582
  2253
slouken@8582
  2254
    if (!window->surface_valid) {
slouken@8582
  2255
        return SDL_SetError("Window surface is invalid, please call SDL_GetWindowSurface() to get a new surface");
slouken@8582
  2256
    }
slouken@8582
  2257
slouken@8582
  2258
    return _this->UpdateWindowFramebuffer(_this, window, rects, numrects);
slouken@8582
  2259
}
slouken@8582
  2260
slouken@8582
  2261
int
slouken@8582
  2262
SDL_SetWindowBrightness(SDL_Window * window, float brightness)
slouken@8582
  2263
{
slouken@8582
  2264
    Uint16 ramp[256];
slouken@8582
  2265
    int status;
slouken@8582
  2266
slouken@8582
  2267
    CHECK_WINDOW_MAGIC(window, -1);
slouken@8582
  2268
slouken@8582
  2269
    SDL_CalculateGammaRamp(brightness, ramp);
slouken@8582
  2270
    status = SDL_SetWindowGammaRamp(window, ramp, ramp, ramp);
slouken@8582
  2271
    if (status == 0) {
slouken@8582
  2272
        window->brightness = brightness;
slouken@8582
  2273
    }
slouken@8582
  2274
    return status;
slouken@8582
  2275
}
slouken@8582
  2276
slouken@8582
  2277
float
slouken@8582
  2278
SDL_GetWindowBrightness(SDL_Window * window)
slouken@8582
  2279
{
slouken@8582
  2280
    CHECK_WINDOW_MAGIC(window, 1.0f);
slouken@8582
  2281
slouken@8582
  2282
    return window->brightness;
slouken@8582
  2283
}
slouken@8582
  2284
slouken@8582
  2285
int
icculus@10025
  2286
SDL_SetWindowOpacity(SDL_Window * window, float opacity)
icculus@10025
  2287
{
icculus@10025
  2288
    int retval;
icculus@10025
  2289
    CHECK_WINDOW_MAGIC(window, -1);
icculus@10025
  2290
icculus@10025
  2291
    if (!_this->SetWindowOpacity) {
icculus@10025
  2292
        return SDL_Unsupported();
icculus@10025
  2293
    }
icculus@10025
  2294
icculus@10025
  2295
    if (opacity < 0.0f) {
icculus@10025
  2296
        opacity = 0.0f;
icculus@10025
  2297
    } else if (opacity > 1.0f) {
icculus@10025
  2298
        opacity = 1.0f;
icculus@10025
  2299
    }
icculus@10025
  2300
icculus@10025
  2301
    retval = _this->SetWindowOpacity(_this, window, opacity);
icculus@10025
  2302
    if (retval == 0) {
icculus@10025
  2303
        window->opacity = opacity;
icculus@10025
  2304
    }
icculus@10025
  2305
icculus@10025
  2306
    return retval;
icculus@10025
  2307
}
icculus@10025
  2308
icculus@10025
  2309
int
icculus@10025
  2310
SDL_GetWindowOpacity(SDL_Window * window, float * out_opacity)
icculus@10025
  2311
{
icculus@10025
  2312
    CHECK_WINDOW_MAGIC(window, -1);
icculus@10025
  2313
icculus@10025
  2314
    if (out_opacity) {
icculus@10025
  2315
        *out_opacity = window->opacity;
icculus@10025
  2316
    }
icculus@10025
  2317
icculus@10025
  2318
    return 0;
icculus@10025
  2319
}
icculus@10025
  2320
icculus@10027
  2321
int
icculus@10027
  2322
SDL_SetWindowModalFor(SDL_Window * modal_window, SDL_Window * parent_window)
icculus@10027
  2323
{
icculus@10027
  2324
    CHECK_WINDOW_MAGIC(modal_window, -1);
icculus@10027
  2325
    CHECK_WINDOW_MAGIC(parent_window, -1);
icculus@10027
  2326
icculus@10027
  2327
    if (!_this->SetWindowModalFor) {
icculus@10027
  2328
        return SDL_Unsupported();
icculus@10027
  2329
    }
icculus@10027
  2330
    
icculus@10027
  2331
    return _this->SetWindowModalFor(_this, modal_window, parent_window);
icculus@10027
  2332
}
icculus@10027
  2333
icculus@10026
  2334
int 
icculus@10026
  2335
SDL_SetWindowInputFocus(SDL_Window * window)
icculus@10026
  2336
{
icculus@10026
  2337
    CHECK_WINDOW_MAGIC(window, -1);
icculus@10026
  2338
icculus@10026
  2339
    if (!_this->SetWindowInputFocus) {
icculus@10026
  2340
        return SDL_Unsupported();
icculus@10026
  2341
    }
icculus@10026
  2342
    
icculus@10026
  2343
    return _this->SetWindowInputFocus(_this, window);
icculus@10026
  2344
}
icculus@10026
  2345
icculus@10026
  2346
icculus@10025
  2347
int
slouken@8582
  2348
SDL_SetWindowGammaRamp(SDL_Window * window, const Uint16 * red,
slouken@8582
  2349
                                            const Uint16 * green,
slouken@8582
  2350
                                            const Uint16 * blue)
slouken@8582
  2351
{
slouken@8582
  2352
    CHECK_WINDOW_MAGIC(window, -1);
slouken@8582
  2353
slouken@8582
  2354
    if (!_this->SetWindowGammaRamp) {
slouken@8582
  2355
        return SDL_Unsupported();
slouken@8582
  2356
    }
slouken@8582
  2357
slouken@8582
  2358
    if (!window->gamma) {
slouken@8582
  2359
        if (SDL_GetWindowGammaRamp(window, NULL, NULL, NULL) < 0) {
slouken@8582
  2360
            return -1;
slouken@8582
  2361
        }
icculus@9546
  2362
        SDL_assert(window->gamma != NULL);
slouken@8582
  2363
    }
slouken@8582
  2364
slouken@8582
  2365
    if (red) {
slouken@8582
  2366
        SDL_memcpy(&window->gamma[0*256], red, 256*sizeof(Uint16));
slouken@8582
  2367
    }
slouken@8582
  2368
    if (green) {
slouken@8582
  2369
        SDL_memcpy(&window->gamma[1*256], green, 256*sizeof(Uint16));
slouken@8582
  2370
    }
slouken@8582
  2371
    if (blue) {
slouken@8582
  2372
        SDL_memcpy(&window->gamma[2*256], blue, 256*sizeof(Uint16));
slouken@8582
  2373
    }
slouken@8582
  2374
    if (window->flags & SDL_WINDOW_INPUT_FOCUS) {
slouken@8582
  2375
        return _this->SetWindowGammaRamp(_this, window, window->gamma);
slouken@8582
  2376
    } else {
slouken@8582
  2377
        return 0;
slouken@8582
  2378
    }
slouken@8582
  2379
}
slouken@8582
  2380
slouken@8582
  2381
int
slouken@8582
  2382
SDL_GetWindowGammaRamp(SDL_Window * window, Uint16 * red,
slouken@8582
  2383
                                            Uint16 * green,
slouken@8582
  2384
                                            Uint16 * blue)
slouken@8582
  2385
{
slouken@8582
  2386
    CHECK_WINDOW_MAGIC(window, -1);
slouken@8582
  2387
slouken@8582
  2388
    if (!window->gamma) {
slouken@8582
  2389
        int i;
slouken@8582
  2390
slouken@8582
  2391
        window->gamma = (Uint16 *)SDL_malloc(256*6*sizeof(Uint16));
slouken@8582
  2392
        if (!window->gamma) {
slouken@8582
  2393
            return SDL_OutOfMemory();
slouken@8582
  2394
        }
slouken@8582
  2395
        window->saved_gamma = window->gamma + 3*256;
slouken@8582
  2396
slouken@8582
  2397
        if (_this->GetWindowGammaRamp) {
slouken@8582
  2398
            if (_this->GetWindowGammaRamp(_this, window, window->gamma) < 0) {
slouken@8582
  2399
                return -1;
slouken@8582
  2400
            }
slouken@8582
  2401
        } else {
slouken@8582
  2402
            /* Create an identity gamma ramp */
slouken@8582
  2403
            for (i = 0; i < 256; ++i) {
slouken@8582
  2404
                Uint16 value = (Uint16)((i << 8) | i);
slouken@8582
  2405
slouken@8582
  2406
                window->gamma[0*256+i] = value;
slouken@8582
  2407
                window->gamma[1*256+i] = value;
slouken@8582
  2408
                window->gamma[2*256+i] = value;
slouken@8582
  2409
            }
slouken@8582
  2410
        }
slouken@8582
  2411
        SDL_memcpy(window->saved_gamma, window->gamma, 3*256*sizeof(Uint16));
slouken@8582
  2412
    }
slouken@8582
  2413
slouken@8582
  2414
    if (red) {
slouken@8582
  2415
        SDL_memcpy(red, &window->gamma[0*256], 256*sizeof(Uint16));
slouken@8582
  2416
    }
slouken@8582
  2417
    if (green) {
slouken@8582
  2418
        SDL_memcpy(green, &window->gamma[1*256], 256*sizeof(Uint16));
slouken@8582
  2419
    }
slouken@8582
  2420
    if (blue) {
slouken@8582
  2421
        SDL_memcpy(blue, &window->gamma[2*256], 256*sizeof(Uint16));
slouken@8582
  2422
    }
slouken@8582
  2423
    return 0;
slouken@8582
  2424
}
slouken@8582
  2425
slouken@8582
  2426
void
slouken@8582
  2427
SDL_UpdateWindowGrab(SDL_Window * window)
slouken@8582
  2428
{
slouken@9745
  2429
    SDL_Window *grabbed_window;
slouken@9745
  2430
    SDL_bool grabbed;
slouken@9745
  2431
    if ((SDL_GetMouse()->relative_mode || (window->flags & SDL_WINDOW_INPUT_GRABBED)) &&
slouken@9745
  2432
         (window->flags & SDL_WINDOW_INPUT_FOCUS)) {
slouken@9745
  2433
        grabbed = SDL_TRUE;
slouken@9745
  2434
    } else {
slouken@9745
  2435
        grabbed = SDL_FALSE;
slouken@9745
  2436
    }
slouken@9745
  2437
slouken@9745
  2438
    grabbed_window = _this->grabbed_window;
slouken@9745
  2439
    if (grabbed) {
slouken@9745
  2440
        if (grabbed_window && (grabbed_window != window)) {
slouken@9745
  2441
            /* stealing a grab from another window! */
slouken@9745
  2442
            grabbed_window->flags &= ~SDL_WINDOW_INPUT_GRABBED;
slouken@9745
  2443
            if (_this->SetWindowGrab) {
icculus@9447
  2444
                _this->SetWindowGrab(_this, grabbed_window, SDL_FALSE);
icculus@9447
  2445
            }
icculus@9447
  2446
        }
slouken@9745
  2447
        _this->grabbed_window = window;
slouken@9745
  2448
    } else if (grabbed_window == window) {
slouken@9745
  2449
        _this->grabbed_window = NULL;  /* ungrabbing. */
slouken@9745
  2450
    }
slouken@9745
  2451
slouken@9745
  2452
    if (_this->SetWindowGrab) {
slouken@8582
  2453
        _this->SetWindowGrab(_this, window, grabbed);
slouken@8582
  2454
    }
slouken@8582
  2455
}
slouken@8582
  2456
slouken@8582
  2457
void
slouken@8582
  2458
SDL_SetWindowGrab(SDL_Window * window, SDL_bool grabbed)
slouken@8582
  2459
{
slouken@8818
  2460
    CHECK_WINDOW_MAGIC(window,);
slouken@8582
  2461
slouken@8582
  2462
    if (!!grabbed == !!(window->flags & SDL_WINDOW_INPUT_GRABBED)) {
slouken@8582
  2463
        return;
slouken@8582
  2464
    }
slouken@8582
  2465
    if (grabbed) {
slouken@8582
  2466
        window->flags |= SDL_WINDOW_INPUT_GRABBED;
slouken@8582
  2467
    } else {
slouken@8582
  2468
        window->flags &= ~SDL_WINDOW_INPUT_GRABBED;
slouken@8582
  2469
    }
slouken@8582
  2470
    SDL_UpdateWindowGrab(window);
slouken@8582
  2471
}
slouken@8582
  2472
slouken@8582
  2473
SDL_bool
slouken@8582
  2474
SDL_GetWindowGrab(SDL_Window * window)
slouken@8582
  2475
{
slouken@8582
  2476
    CHECK_WINDOW_MAGIC(window, SDL_FALSE);
icculus@9447
  2477
    SDL_assert(!_this->grabbed_window || ((_this->grabbed_window->flags & SDL_WINDOW_INPUT_GRABBED) != 0));
icculus@9447
  2478
    return window == _this->grabbed_window;
icculus@9447
  2479
}
icculus@9447
  2480
icculus@9447
  2481
SDL_Window *
icculus@9447
  2482
SDL_GetGrabbedWindow(void)
icculus@9447
  2483
{
icculus@9447
  2484
    SDL_assert(!_this->grabbed_window || ((_this->grabbed_window->flags & SDL_WINDOW_INPUT_GRABBED) != 0));
icculus@9447
  2485
    return _this->grabbed_window;
slouken@8582
  2486
}
slouken@8582
  2487
slouken@8582
  2488
void
slouken@8582
  2489
SDL_OnWindowShown(SDL_Window * window)
slouken@8582
  2490
{
slouken@8582
  2491
    SDL_OnWindowRestored(window);
slouken@8582
  2492
}
slouken@8582
  2493
slouken@8582
  2494
void
slouken@8582
  2495
SDL_OnWindowHidden(SDL_Window * window)
slouken@8582
  2496
{
slouken@8582
  2497
    SDL_UpdateFullscreenMode(window, SDL_FALSE);
slouken@8582
  2498
}
slouken@8582
  2499
slouken@8582
  2500
void
slouken@8582
  2501
SDL_OnWindowResized(SDL_Window * window)
slouken@8582
  2502
{
slouken@8582
  2503
    window->surface_valid = SDL_FALSE;
slouken@8582
  2504
    SDL_SendWindowEvent(window, SDL_WINDOWEVENT_SIZE_CHANGED, window->w, window->h);
slouken@8582
  2505
}
slouken@8582
  2506
slouken@8582
  2507
void
slouken@8582
  2508
SDL_OnWindowMinimized(SDL_Window * window)
slouken@8582
  2509
{
slouken@8582
  2510
    SDL_UpdateFullscreenMode(window, SDL_FALSE);
slouken@8582
  2511
}
slouken@8582
  2512
slouken@8582
  2513
void
slouken@8582
  2514
SDL_OnWindowRestored(SDL_Window * window)
slouken@8582
  2515
{
pgriffais@8683
  2516
    /*
pgriffais@8683
  2517
     * FIXME: Is this fine to just remove this, or should it be preserved just
pgriffais@8683
  2518
     * for the fullscreen case? In principle it seems like just hiding/showing
pgriffais@8683
  2519
     * windows shouldn't affect the stacking order; maybe the right fix is to
pgriffais@8683
  2520
     * re-decouple OnWindowShown and OnWindowRestored.
pgriffais@8683
  2521
     */
icculus@8684
  2522
    /*SDL_RaiseWindow(window);*/
slouken@8582
  2523
slouken@8582
  2524
    if (FULLSCREEN_VISIBLE(window)) {
slouken@8582
  2525
        SDL_UpdateFullscreenMode(window, SDL_TRUE);
slouken@8582
  2526
    }
slouken@8582
  2527
}
slouken@8582
  2528
slouken@8582
  2529
void
slouken@8582
  2530
SDL_OnWindowEnter(SDL_Window * window)
slouken@8582
  2531
{
slouken@8582
  2532
    if (_this->OnWindowEnter) {
slouken@8582
  2533
        _this->OnWindowEnter(_this, window);
slouken@8582
  2534
    }
slouken@8582
  2535
}
slouken@8582
  2536
slouken@8582
  2537
void
slouken@8582
  2538
SDL_OnWindowLeave(SDL_Window * window)
slouken@8582
  2539
{
slouken@8582
  2540
}
slouken@8582
  2541
slouken@8582
  2542
void
slouken@8582
  2543
SDL_OnWindowFocusGained(SDL_Window * window)
slouken@8582
  2544
{
slouken@8582
  2545
    SDL_Mouse *mouse = SDL_GetMouse();
slouken@8582
  2546
slouken@8582
  2547
    if (window->gamma && _this->SetWindowGammaRamp) {
slouken@8582
  2548
        _this->SetWindowGammaRamp(_this, window, window->gamma);
slouken@8582
  2549
    }
slouken@8582
  2550
slouken@8582
  2551
    if (mouse && mouse->relative_mode) {
slouken@8582
  2552
        SDL_SetMouseFocus(window);
slouken@8582
  2553
        SDL_WarpMouseInWindow(window, window->w/2, window->h/2);
slouken@8582
  2554
    }
slouken@8582
  2555
slouken@8582
  2556
    SDL_UpdateWindowGrab(window);
slouken@8582
  2557
}
slouken@8582
  2558
slouken@8582
  2559
static SDL_bool
slouken@8582
  2560
ShouldMinimizeOnFocusLoss(SDL_Window * window)
slouken@8582
  2561
{
jorgen@8112
  2562
    if (!(window->flags & SDL_WINDOW_FULLSCREEN) || window->is_destroying) {
slouken@8582
  2563
        return SDL_FALSE;
slouken@8582
  2564
    }
slouken@8582
  2565
slouken@8582
  2566
#ifdef __MACOSX__
icculus@10781
  2567
    if (SDL_strcmp(_this->name, "cocoa") == 0) {  /* don't do this for X11, etc */
icculus@10781
  2568
        if (Cocoa_IsWindowInFullscreenSpace(window)) {
icculus@10781
  2569
            return SDL_FALSE;
icculus@10781
  2570
        }
slouken@8582
  2571
    }
slouken@8582
  2572
#endif
slouken@8582
  2573
slouken@10499
  2574
    return SDL_GetHintBoolean(SDL_HINT_VIDEO_MINIMIZE_ON_FOCUS_LOSS, SDL_TRUE);
slouken@8582
  2575
}
slouken@8582
  2576
slouken@8582
  2577
void
slouken@8582
  2578
SDL_OnWindowFocusLost(SDL_Window * window)
slouken@8582
  2579
{
slouken@8582
  2580
    if (window->gamma && _this->SetWindowGammaRamp) {
slouken@8582
  2581
        _this->SetWindowGammaRamp(_this, window, window->saved_gamma);
slouken@8582
  2582
    }
slouken@8582
  2583
slouken@8582
  2584
    SDL_UpdateWindowGrab(window);
slouken@8582
  2585
slouken@8582
  2586
    if (ShouldMinimizeOnFocusLoss(window)) {
slouken@8582
  2587
        SDL_MinimizeWindow(window);
slouken@8582
  2588
    }
slouken@8582
  2589
}
slouken@8582
  2590
icculus@8783
  2591
/* !!! FIXME: is this different than SDL_GetKeyboardFocus()?
icculus@8783
  2592
   !!! FIXME:  Also, SDL_GetKeyboardFocus() is O(1), this isn't. */
slouken@8582
  2593
SDL_Window *
slouken@8582
  2594
SDL_GetFocusWindow(void)
slouken@8582
  2595
{
slouken@8582
  2596
    SDL_Window *window;
slouken@8582
  2597
slouken@8582
  2598
    if (!_this) {
slouken@8582
  2599
        return NULL;
slouken@8582
  2600
    }
slouken@8582
  2601
    for (window = _this->windows; window; window = window->next) {
slouken@8582
  2602
        if (window->flags & SDL_WINDOW_INPUT_FOCUS) {
slouken@8582
  2603
            return window;
slouken@8582
  2604
        }
slouken@8582
  2605
    }
slouken@8582
  2606
    return NULL;
slouken@8582
  2607
}
slouken@8582
  2608
slouken@8582
  2609
void
slouken@8582
  2610
SDL_DestroyWindow(SDL_Window * window)
slouken@8582
  2611
{
slouken@8582
  2612
    SDL_VideoDisplay *display;
slouken@8582
  2613
slouken@8818
  2614
    CHECK_WINDOW_MAGIC(window,);
slouken@8582
  2615
jorgen@8112
  2616
    window->is_destroying = SDL_TRUE;
jorgen@8112
  2617
slouken@8582
  2618
    /* Restore video mode, etc. */
slouken@8582
  2619
    SDL_HideWindow(window);
slouken@8582
  2620
slouken@8582
  2621
    /* Make sure this window no longer has focus */
slouken@8582
  2622
    if (SDL_GetKeyboardFocus() == window) {
slouken@8582
  2623
        SDL_SetKeyboardFocus(NULL);
slouken@8582
  2624
    }
slouken@8582
  2625
    if (SDL_GetMouseFocus() == window) {
slouken@8582
  2626
        SDL_SetMouseFocus(NULL);
slouken@8582
  2627
    }
slouken@8582
  2628
slouken@8582
  2629
    /* make no context current if this is the current context window. */
slouken@8582
  2630
    if (window->flags & SDL_WINDOW_OPENGL) {
slouken@8582
  2631
        if (_this->current_glwin == window) {
slouken@8582
  2632
            SDL_GL_MakeCurrent(window, NULL);
slouken@8582
  2633
        }
slouken@8582
  2634
    }
slouken@8582
  2635
slouken@8582
  2636
    if (window->surface) {
slouken@8582
  2637
        window->surface->flags &= ~SDL_DONTFREE;
slouken@8582
  2638
        SDL_FreeSurface(window->surface);
slouken@8582
  2639
    }
slouken@8582
  2640
    if (_this->DestroyWindowFramebuffer) {
slouken@8582
  2641
        _this->DestroyWindowFramebuffer(_this, window);
slouken@8582
  2642
    }
slouken@8582
  2643
    if (_this->DestroyWindow) {
slouken@8582
  2644
        _this->DestroyWindow(_this, window);
slouken@8582
  2645
    }
slouken@8582
  2646
    if (window->flags & SDL_WINDOW_OPENGL) {
slouken@8582
  2647
        SDL_GL_UnloadLibrary();
slouken@8582
  2648
    }
icculus@11365
  2649
    if (window->flags & SDL_WINDOW_VULKAN) {
icculus@11365
  2650
        SDL_Vulkan_UnloadLibrary();
icculus@11365
  2651
    }
slouken@8582
  2652
slouken@8582
  2653
    display = SDL_GetDisplayForWindow(window);
slouken@8582
  2654
    if (display->fullscreen_window == window) {
slouken@8582
  2655
        display->fullscreen_window = NULL;
slouken@8582
  2656
    }
slouken@8582
  2657
slouken@8582
  2658
    /* Now invalidate magic */
slouken@8582
  2659
    window->magic = NULL;
slouken@8582
  2660
slouken@8582
  2661
    /* Free memory associated with the window */
slouken@8582
  2662
    SDL_free(window->title);
slouken@8582
  2663
    SDL_FreeSurface(window->icon);
slouken@8582
  2664
    SDL_free(window->gamma);
slouken@8582
  2665
    while (window->data) {
slouken@8582
  2666
        SDL_WindowUserData *data = window->data;
slouken@8582
  2667
slouken@8582
  2668
        window->data = data->next;
slouken@8582
  2669
        SDL_free(data->name);
slouken@8582
  2670
        SDL_free(data);
slouken@8582
  2671
    }
slouken@8582
  2672
slouken@8582
  2673
    /* Unlink the window from the list */
slouken@8582
  2674
    if (window->next) {
slouken@8582
  2675
        window->next->prev = window->prev;
slouken@8582
  2676
    }
slouken@8582
  2677
    if (window->prev) {
slouken@8582
  2678
        window->prev->next = window->next;
slouken@8582
  2679
    } else {
slouken@8582
  2680
        _this->windows = window->next;
slouken@8582
  2681
    }
slouken@8582
  2682
slouken@8582
  2683
    SDL_free(window);
slouken@8582
  2684
}
slouken@8582
  2685
slouken@8582
  2686
SDL_bool
slouken@8582
  2687
SDL_IsScreenSaverEnabled()
slouken@8582
  2688
{
slouken@8582
  2689
    if (!_this) {
slouken@8582
  2690
        return SDL_TRUE;
slouken@8582
  2691
    }
slouken@8582
  2692
    return _this->suspend_screensaver ? SDL_FALSE : SDL_TRUE;
slouken@8582
  2693
}
slouken@8582
  2694
slouken@8582
  2695
void
slouken@8582
  2696
SDL_EnableScreenSaver()
slouken@8582
  2697
{
slouken@8582
  2698
    if (!_this) {
slouken@8582
  2699
        return;
slouken@8582
  2700
    }
slouken@8582
  2701
    if (!_this->suspend_screensaver) {
slouken@8582
  2702
        return;
slouken@8582
  2703
    }
slouken@8582
  2704
    _this->suspend_screensaver = SDL_FALSE;
slouken@8582
  2705
    if (_this->SuspendScreenSaver) {
slouken@8582
  2706
        _this->SuspendScreenSaver(_this);
slouken@8582
  2707
    }
slouken@8582
  2708
}
slouken@8582
  2709
slouken@8582
  2710
void
slouken@8582
  2711
SDL_DisableScreenSaver()
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_TRUE;
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_VideoQuit(void)
slouken@8582
  2727
{
slouken@8582
  2728
    int i, j;
slouken@8582
  2729
slouken@8582
  2730
    if (!_this) {
slouken@8582
  2731
        return;
slouken@8582
  2732
    }
slouken@8582
  2733
slouken@8582
  2734
    /* Halt event processing before doing anything else */
slouken@8582
  2735
    SDL_TouchQuit();
slouken@8582
  2736
    SDL_MouseQuit();
slouken@8582
  2737
    SDL_KeyboardQuit();
slouken@8582
  2738
    SDL_QuitSubSystem(SDL_INIT_EVENTS);
slouken@8582
  2739
slouken@8582
  2740
    SDL_EnableScreenSaver();
slouken@8582
  2741
slouken@8582
  2742
    /* Clean up the system video */
slouken@8582
  2743
    while (_this->windows) {
slouken@8582
  2744
        SDL_DestroyWindow(_this->windows);
slouken@8582
  2745
    }
slouken@8582
  2746
    _this->VideoQuit(_this);
slouken@8582
  2747
slouken@8582
  2748
    for (i = 0; i < _this->num_displays; ++i) {
slouken@8582
  2749
        SDL_VideoDisplay *display = &_this->displays[i];