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SDL_video.c

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2056 lines (1797 loc) · 49.8 KB
 
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/*
SDL - Simple DirectMedia Layer
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Copyright (C) 1997-2006 Sam Lantinga
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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Sam Lantinga
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slouken@libsdl.org
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*/
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#include "SDL_config.h"
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/* The high-level video driver subsystem */
#include "SDL.h"
#include "SDL_sysvideo.h"
#include "SDL_blit.h"
#include "SDL_pixels_c.h"
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#include "SDL_renderer_sw.h"
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#include "../events/SDL_sysevents.h"
#include "../events/SDL_events_c.h"
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/* Available video drivers */
static VideoBootStrap *bootstrap[] = {
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#if SDL_VIDEO_DRIVER_QUARTZ
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&QZ_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_DGA
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&DGA_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_NANOX
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&NX_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_IPOD
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&iPod_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_QTOPIA
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&Qtopia_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_WSCONS
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&WSCONS_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_FBCON
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&FBCON_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_PS2GS
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&PS2GS_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_GGI
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&GGI_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_VGL
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&VGL_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_SVGALIB
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&SVGALIB_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_GAPI
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&GAPI_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_WINDIB
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&WINDIB_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_DDRAW
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&DIRECTX_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_BWINDOW
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&BWINDOW_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_TOOLBOX
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&TOOLBOX_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_DRAWSPROCKET
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&DSp_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_CYBERGRAPHICS
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&CGX_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_PHOTON
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&ph_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_EPOC
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&EPOC_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_XBIOS
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&XBIOS_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_GEM
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&GEM_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_PICOGUI
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&PG_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_DC
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&DC_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_RISCOS
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&RISCOS_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_OS2FS
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&OS2FSLib_bootstrap,
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#endif
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#if SDL_VIDEO_DRIVER_AALIB
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&AALIB_bootstrap,
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#endif
#if SDL_VIDEO_DRIVER_DUMMY
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&DUMMY_bootstrap,
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#endif
#if SDL_VIDEO_DRIVER_GLSDL
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&glSDL_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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/* Various local functions */
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int SDL_VideoInit(const char *driver_name, Uint32 flags);
void SDL_VideoQuit(void);
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static int
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cmpmodes(const void *A, const void *B)
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{
SDL_DisplayMode a = *(const SDL_DisplayMode *) A;
SDL_DisplayMode b = *(const SDL_DisplayMode *) B;
if (a.w != b.w) {
return b.w - a.w;
}
if (a.h != b.h) {
return b.h - a.h;
}
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if (SDL_BITSPERPIXEL(a.format) != SDL_BITSPERPIXEL(b.format)) {
return SDL_BITSPERPIXEL(b.format) - SDL_BITSPERPIXEL(a.format);
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}
if (a.refresh_rate != b.refresh_rate) {
return b.refresh_rate - a.refresh_rate;
}
return 0;
}
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int
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SDL_GetNumVideoDrivers(void)
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{
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return SDL_arraysize(bootstrap) - 1;
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}
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const char *
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SDL_GetVideoDriver(int index)
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{
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if (index >= 0 && index < SDL_GetNumVideoDrivers()) {
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return bootstrap[index]->name;
}
return NULL;
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}
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/*
* Initialize the video and event subsystems -- determine native pixel format
*/
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int
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SDL_VideoInit(const char *driver_name, Uint32 flags)
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{
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SDL_VideoDevice *video;
int index;
int i;
int bpp;
Uint32 Rmask, Gmask, Bmask, Amask;
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/* Toggle the event thread flags, based on OS requirements */
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#if defined(MUST_THREAD_EVENTS)
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flags |= SDL_INIT_EVENTTHREAD;
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#elif defined(CANT_THREAD_EVENTS)
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if ((flags & SDL_INIT_EVENTTHREAD) == SDL_INIT_EVENTTHREAD) {
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SDL_SetError("OS doesn't support threaded events");
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return -1;
}
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#endif
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/* Check to make sure we don't overwrite '_this' */
if (_this != NULL) {
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SDL_VideoQuit();
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}
/* Select the proper video driver */
index = 0;
video = NULL;
if (driver_name != NULL) {
for (i = 0; bootstrap[i]; ++i) {
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if (SDL_strncmp(bootstrap[i]->name, driver_name,
SDL_strlen(bootstrap[i]->name)) == 0) {
if (bootstrap[i]->available()) {
video = bootstrap[i]->create(index);
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}
break;
}
}
} else {
for (i = 0; bootstrap[i]; ++i) {
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if (bootstrap[i]->available()) {
video = bootstrap[i]->create(index);
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if (video != NULL) {
break;
}
}
}
}
if (video == NULL) {
if (driver_name) {
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SDL_SetError("%s not available", driver_name);
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} else {
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SDL_SetError("No available video device");
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}
return -1;
}
_this = video;
_this->name = bootstrap[i]->name;
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_this->next_object_id = 1;
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/* Set some very sane GL defaults */
_this->gl_config.driver_loaded = 0;
_this->gl_config.dll_handle = NULL;
_this->gl_config.red_size = 3;
_this->gl_config.green_size = 3;
_this->gl_config.blue_size = 2;
_this->gl_config.alpha_size = 0;
_this->gl_config.buffer_size = 0;
_this->gl_config.depth_size = 16;
_this->gl_config.stencil_size = 0;
_this->gl_config.double_buffer = 1;
_this->gl_config.accum_red_size = 0;
_this->gl_config.accum_green_size = 0;
_this->gl_config.accum_blue_size = 0;
_this->gl_config.accum_alpha_size = 0;
_this->gl_config.stereo = 0;
_this->gl_config.multisamplebuffers = 0;
_this->gl_config.multisamplesamples = 0;
_this->gl_config.accelerated = -1; /* not known, don't set */
_this->gl_config.swap_control = -1; /* not known, don't set */
/* Initialize the video subsystem */
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if (_this->VideoInit(_this) < 0) {
SDL_VideoQuit();
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return -1;
}
/* Make sure some displays were added */
if (_this->num_displays == 0) {
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SDL_SetError("The video driver did not add any displays");
SDL_VideoQuit();
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return (-1);
}
/* Sort the video modes */
for (i = 0; i < _this->num_displays; ++i) {
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SDL_qsort(_this->displays[i].display_modes,
_this->displays[i].num_display_modes,
sizeof(SDL_DisplayMode), cmpmodes);
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}
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/* The software renderer is always available */
for (i = 0; i < _this->num_displays; ++i) {
if (_this->displays[i].num_render_drivers > 0) {
SDL_AddRenderDriver(i, &SDL_SW_RenderDriver);
}
}
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/* Start the event loop */
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if (SDL_StartEventLoop(flags) < 0) {
SDL_VideoQuit();
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return -1;
}
/* We're ready to go! */
return 0;
}
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const char *
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SDL_GetCurrentVideoDriver()
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{
if (!_this) {
return NULL;
}
return _this->name;
}
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SDL_VideoDevice *
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SDL_GetVideoDevice()
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{
return _this;
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}
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int
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SDL_AddBasicVideoDisplay(const SDL_DisplayMode * desktop_mode)
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{
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SDL_VideoDisplay display;
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SDL_zero(display);
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if (desktop_mode) {
display.desktop_mode = *desktop_mode;
}
display.current_mode = display.desktop_mode;
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return SDL_AddVideoDisplay(&display);
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}
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int
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SDL_AddVideoDisplay(const SDL_VideoDisplay * display)
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{
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SDL_VideoDisplay *displays;
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int index = -1;
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displays =
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SDL_realloc(_this->displays,
(_this->num_displays + 1) * sizeof(*displays));
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if (displays) {
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index = _this->num_displays++;
displays[index] = *display;
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displays[index].device = _this;
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_this->displays = displays;
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} else {
SDL_OutOfMemory();
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}
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return index;
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}
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int
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SDL_GetNumVideoDisplays(void)
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{
if (!_this) {
return 0;
}
return _this->num_displays;
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}
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int
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SDL_SelectVideoDisplay(int index)
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{
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if (!_this) {
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SDL_SetError("Video subsystem has not been initialized");
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return (-1);
}
if (index >= 0) {
if (index >= _this->num_displays) {
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SDL_SetError("index must be in the range 0 - %d",
_this->num_displays - 1);
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return -1;
}
_this->current_display = index;
}
return _this->current_display;
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}
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void
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SDL_AddDisplayMode(int displayIndex, const SDL_DisplayMode * mode)
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{
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SDL_VideoDisplay *display = &_this->displays[displayIndex];
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SDL_DisplayMode *modes;
int i, nmodes;
/* Make sure we don't already have the mode in the list */
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modes = display->display_modes;
nmodes = display->num_display_modes;
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for (i = 0; i < nmodes; ++i) {
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if (SDL_memcmp(mode, &modes[i], sizeof(*mode)) == 0) {
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return;
}
}
/* Go ahead and add the new mode */
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modes = SDL_realloc(modes, (nmodes + 1) * sizeof(*mode));
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if (modes) {
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display->display_modes = modes;
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modes[nmodes] = *mode;
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display->num_display_modes++;
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}
}
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int
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SDL_GetNumDisplayModes()
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{
if (_this) {
return SDL_CurrentDisplay.num_display_modes;
}
return 0;
}
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const SDL_DisplayMode *
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SDL_GetDisplayMode(int index)
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{
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if (index < 0 || index >= SDL_GetNumDisplayModes()) {
SDL_SetError("index must be in the range of 0 - %d",
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SDL_GetNumDisplayModes() - 1);
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return NULL;
}
return &SDL_CurrentDisplay.display_modes[index];
}
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const SDL_DisplayMode *
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SDL_GetDesktopDisplayMode(void)
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{
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if (_this) {
return &SDL_CurrentDisplay.desktop_mode;
}
return NULL;
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}
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const SDL_DisplayMode *
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SDL_GetCurrentDisplayMode(void)
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{
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if (_this) {
return &SDL_CurrentDisplay.current_mode;
}
return NULL;
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}
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SDL_DisplayMode *
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435
436
SDL_GetClosestDisplayMode(const SDL_DisplayMode * mode,
SDL_DisplayMode * closest)
Apr 26, 2001
Apr 26, 2001
437
{
May 28, 2006
May 28, 2006
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
Uint32 target_format;
int target_refresh_rate;
int i;
SDL_DisplayMode *current, *match;
if (!_this || !mode || !closest) {
return NULL;
}
/* Default to the desktop format */
if (mode->format) {
target_format = mode->format;
} else {
target_format = SDL_CurrentDisplay.desktop_mode.format;
}
/* Default to the desktop refresh rate */
if (mode->refresh_rate) {
target_refresh_rate = mode->refresh_rate;
} else {
target_refresh_rate = SDL_CurrentDisplay.desktop_mode.refresh_rate;
}
match = NULL;
for (i = 0; i < SDL_CurrentDisplay.num_display_modes; ++i) {
current = &SDL_CurrentDisplay.display_modes[i];
if ((current->w && current->h) &&
(current->w < mode->w || current->h < mode->h)) {
/* Out of sorted modes large enough here */
break;
}
if (!match || current->w < match->w || current->h < match->h) {
match = current;
continue;
}
if (current->format != match->format) {
/* Sorted highest depth to lowest */
if (current->format == target_format ||
May 29, 2006
May 29, 2006
477
478
479
480
(SDL_BITSPERPIXEL(current->format) >=
SDL_BITSPERPIXEL(target_format)
&& SDL_PIXELTYPE(current->format) ==
SDL_PIXELTYPE(target_format))) {
May 28, 2006
May 28, 2006
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
match = current;
}
continue;
}
if (current->refresh_rate != match->refresh_rate) {
/* Sorted highest refresh to lowest */
if (current->refresh_rate >= target_refresh_rate) {
match = current;
}
}
}
if (match) {
if (match->format) {
closest->format = match->format;
} else {
closest->format = mode->format;
}
if (match->w && match->h) {
closest->w = match->w;
closest->h = match->h;
} else {
closest->w = mode->w;
closest->h = mode->h;
}
if (match->refresh_rate) {
closest->refresh_rate = match->refresh_rate;
} else {
closest->refresh_rate = mode->refresh_rate;
}
Jun 24, 2006
Jun 24, 2006
510
511
512
513
514
515
516
517
518
519
/* Pick some reasonable defaults if the app and driver don't care */
if (!closest->format) {
closest->format = SDL_PixelFormat_RGB888;
}
if (!closest->w) {
closest->w = 640;
}
if (!closest->h) {
closest->h = 480;
}
May 28, 2006
May 28, 2006
520
521
522
return closest;
}
return NULL;
Apr 26, 2001
Apr 26, 2001
523
524
}
May 28, 2006
May 28, 2006
525
int
May 29, 2006
May 29, 2006
526
SDL_SetDisplayMode(const SDL_DisplayMode * mode)
Apr 26, 2001
Apr 26, 2001
527
{
May 29, 2006
May 29, 2006
528
SDL_VideoDisplay *display;
May 28, 2006
May 28, 2006
529
SDL_DisplayMode display_mode;
Jun 17, 2006
Jun 17, 2006
530
int i, ncolors;
May 28, 2006
May 28, 2006
531
532
if (!_this) {
May 29, 2006
May 29, 2006
533
SDL_SetError("Video subsystem has not been initialized");
May 28, 2006
May 28, 2006
534
535
536
537
538
return -1;
}
/* Make sure there's an actual display mode to set */
if (!mode) {
May 29, 2006
May 29, 2006
539
SDL_SetError("No mode passed to SDL_SetDisplayMode");
May 28, 2006
May 28, 2006
540
541
return -1;
}
May 29, 2006
May 29, 2006
542
display = &SDL_CurrentDisplay;
May 28, 2006
May 28, 2006
543
544
545
546
display_mode = *mode;
/* Default to the current mode */
if (!display_mode.format) {
May 29, 2006
May 29, 2006
547
display_mode.format = display->current_mode.format;
May 28, 2006
May 28, 2006
548
549
}
if (!display_mode.w) {
May 29, 2006
May 29, 2006
550
display_mode.w = display->current_mode.w;
May 28, 2006
May 28, 2006
551
552
}
if (!display_mode.h) {
May 29, 2006
May 29, 2006
553
display_mode.h = display->current_mode.h;
May 28, 2006
May 28, 2006
554
555
}
if (!display_mode.refresh_rate) {
May 29, 2006
May 29, 2006
556
display_mode.refresh_rate = display->current_mode.refresh_rate;
May 28, 2006
May 28, 2006
557
558
559
}
/* Get a good video mode, the closest one possible */
May 29, 2006
May 29, 2006
560
561
562
if (!SDL_GetClosestDisplayMode(&display_mode, &display_mode)) {
SDL_SetError("No video mode large enough for %dx%d",
display_mode.w, display_mode.h);
May 28, 2006
May 28, 2006
563
564
565
566
567
return -1;
}
/* See if there's anything left to do */
if (SDL_memcmp
May 29, 2006
May 29, 2006
568
569
(&display_mode, SDL_GetCurrentDisplayMode(),
sizeof(display_mode)) == 0) {
May 28, 2006
May 28, 2006
570
571
572
return 0;
}
Jun 17, 2006
Jun 17, 2006
573
/* Set up a palette, if necessary */
Jun 15, 2006
Jun 15, 2006
574
if (SDL_ISPIXELFORMAT_INDEXED(display_mode.format)) {
Jun 17, 2006
Jun 17, 2006
575
ncolors = (1 << SDL_BITSPERPIXEL(display_mode.format));
Jun 15, 2006
Jun 15, 2006
576
} else {
Jun 17, 2006
Jun 17, 2006
577
578
579
ncolors = 0;
}
if ((!ncolors && display->palette) || (ncolors && !display->palette)
Jun 18, 2006
Jun 18, 2006
580
|| (ncolors && ncolors != display->palette->ncolors)) {
Jun 17, 2006
Jun 17, 2006
581
582
583
584
585
586
587
588
589
if (display->palette) {
SDL_FreePalette(display->palette);
display->palette = NULL;
}
if (ncolors) {
display->palette = SDL_AllocPalette(ncolors);
if (!display->palette) {
return -1;
}
Jun 24, 2006
Jun 24, 2006
590
591
SDL_DitherColors(display->palette->colors,
SDL_BITSPERPIXEL(display_mode.format));
Jun 15, 2006
Jun 15, 2006
592
593
594
}
}
May 29, 2006
May 29, 2006
595
return _this->SetDisplayMode(_this, &display_mode);
Apr 26, 2001
Apr 26, 2001
596
597
}
Jun 15, 2006
Jun 15, 2006
598
599
600
601
int
SDL_SetDisplayPalette(const SDL_Color * colors, int firstcolor, int ncolors)
{
SDL_Palette *palette;
Jun 17, 2006
Jun 17, 2006
602
int status = 0;
Jun 15, 2006
Jun 15, 2006
603
604
605
606
607
if (!_this) {
SDL_SetError("Video subsystem has not been initialized");
return -1;
}
Jun 17, 2006
Jun 17, 2006
608
if (!SDL_CurrentDisplay.palette) {
Jun 15, 2006
Jun 15, 2006
609
610
611
612
SDL_SetError("Display mode does not have a palette");
return -1;
}
Jun 17, 2006
Jun 17, 2006
613
614
615
status =
SDL_SetPaletteColors(SDL_CurrentDisplay.palette, colors, firstcolor,
ncolors);
Jun 15, 2006
Jun 15, 2006
616
617
if (_this->SetDisplayPalette) {
Jun 17, 2006
Jun 17, 2006
618
619
620
if (_this->SetDisplayPalette(_this, palette) < 0) {
status = -1;
}
Jun 15, 2006
Jun 15, 2006
621
}
Jun 17, 2006
Jun 17, 2006
622
return status;
Jun 15, 2006
Jun 15, 2006
623
624
625
626
627
628
629
630
631
632
633
634
}
int
SDL_GetDisplayPalette(SDL_Color * colors, int firstcolor, int ncolors)
{
SDL_Palette *palette;
if (!_this) {
SDL_SetError("Video subsystem has not been initialized");
return -1;
}
Jun 17, 2006
Jun 17, 2006
635
palette = SDL_CurrentDisplay.palette;
Jun 15, 2006
Jun 15, 2006
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
if (!palette->ncolors) {
SDL_SetError("Display mode does not have a palette");
return -1;
}
if (firstcolor < 0 || (firstcolor + ncolors) > palette->ncolors) {
SDL_SetError("Palette indices are out of range");
return -1;
}
SDL_memcpy(colors, &palette->colors[firstcolor],
ncolors * sizeof(*colors));
return 0;
}
May 28, 2006
May 28, 2006
651
SDL_WindowID
May 29, 2006
May 29, 2006
652
SDL_CreateWindow(const char *title, int x, int y, int w, int h, Uint32 flags)
May 28, 2006
May 28, 2006
653
654
655
656
657
658
659
660
661
662
663
664
665
666
{
const Uint32 allowed_flags = (SDL_WINDOW_FULLSCREEN |
SDL_WINDOW_BORDERLESS |
SDL_WINDOW_SHOWN |
SDL_WINDOW_OPENGL |
SDL_WINDOW_RESIZABLE |
SDL_WINDOW_MAXIMIZED |
SDL_WINDOW_MINIMIZED |
SDL_WINDOW_INPUT_GRABBED);
SDL_Window window;
int num_windows;
SDL_Window *windows;
if (!_this) {
May 29, 2006
May 29, 2006
667
SDL_SetError("Video subsystem has not been initialized");
May 28, 2006
May 28, 2006
668
669
670
return 0;
}
May 29, 2006
May 29, 2006
671
SDL_zero(window);
Jun 7, 2006
Jun 7, 2006
672
window.id = _this->next_object_id++;
May 29, 2006
May 29, 2006
673
window.title = title ? SDL_strdup(title) : NULL;
May 28, 2006
May 28, 2006
674
675
676
677
678
window.x = x;
window.y = y;
window.w = w;
window.h = h;
window.flags = (flags & allowed_flags);
Jun 24, 2006
Jun 24, 2006
679
window.display = _this->current_display;
May 28, 2006
May 28, 2006
680
May 29, 2006
May 29, 2006
681
if (_this->CreateWindow && _this->CreateWindow(_this, &window) < 0) {
May 29, 2006
May 29, 2006
682
if (window.title) {
May 29, 2006
May 29, 2006
683
SDL_free(window.title);
May 29, 2006
May 29, 2006
684
}
May 28, 2006
May 28, 2006
685
686
687
688
689
return 0;
}
num_windows = SDL_CurrentDisplay.num_windows;
windows =
May 29, 2006
May 29, 2006
690
691
SDL_realloc(SDL_CurrentDisplay.windows,
(num_windows + 1) * sizeof(*windows));
May 28, 2006
May 28, 2006
692
693
if (!windows) {
if (_this->DestroyWindow) {
May 29, 2006
May 29, 2006
694
_this->DestroyWindow(_this, &window);
May 28, 2006
May 28, 2006
695
}
May 29, 2006
May 29, 2006
696
if (window.title) {
May 29, 2006
May 29, 2006
697
SDL_free(window.title);
May 29, 2006
May 29, 2006
698
}
May 28, 2006
May 28, 2006
699
700
701
702
703
704
705
706
return 0;
}
windows[num_windows] = window;
SDL_CurrentDisplay.windows = windows;
SDL_CurrentDisplay.num_windows++;
return window.id;
}
Jul 18, 2004
Jul 18, 2004
707
May 28, 2006
May 28, 2006
708
SDL_WindowID
Jun 15, 2006
Jun 15, 2006
709
SDL_CreateWindowFrom(const void *data)
Apr 26, 2001
Apr 26, 2001
710
{
May 28, 2006
May 28, 2006
711
712
713
714
715
SDL_Window window;
int num_windows;
SDL_Window *windows;
if (!_this) {
May 29, 2006
May 29, 2006
716
SDL_SetError("Video subsystem has not been initialized");
May 28, 2006
May 28, 2006
717
718
719
return (0);
}
May 29, 2006
May 29, 2006
720
SDL_zero(window);
Jun 7, 2006
Jun 7, 2006
721
window.id = _this->next_object_id++;
Jun 24, 2006
Jun 24, 2006
722
window.display = _this->current_display;
May 28, 2006
May 28, 2006
723
724
if (!_this->CreateWindowFrom ||
May 29, 2006
May 29, 2006
725
_this->CreateWindowFrom(_this, &window, data) < 0) {
May 28, 2006
May 28, 2006
726
727
728
729
730
return 0;
}
num_windows = SDL_CurrentDisplay.num_windows;
windows =
May 29, 2006
May 29, 2006
731
732
SDL_realloc(SDL_CurrentDisplay.windows,
(num_windows + 1) * sizeof(*windows));
May 28, 2006
May 28, 2006
733
734
if (!windows) {
if (_this->DestroyWindow) {
May 29, 2006
May 29, 2006
735
_this->DestroyWindow(_this, &window);
May 28, 2006
May 28, 2006
736
}
May 29, 2006
May 29, 2006
737
if (window.title) {
May 29, 2006
May 29, 2006
738
SDL_free(window.title);
May 29, 2006
May 29, 2006
739
}
May 28, 2006
May 28, 2006
740
741
742
743
744
745
746
747
return 0;
}
windows[num_windows] = window;
SDL_CurrentDisplay.windows = windows;
SDL_CurrentDisplay.num_windows++;
return window.id;
}
Nov 4, 2001
Nov 4, 2001
748
Jun 24, 2006
Jun 24, 2006
749
SDL_Window *
May 29, 2006
May 29, 2006
750
SDL_GetWindowFromID(SDL_WindowID windowID)
May 28, 2006
May 28, 2006
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
{
int i, j;
if (!_this) {
return NULL;
}
for (i = 0; i < _this->num_displays; ++i) {
SDL_VideoDisplay *display = &_this->displays[i];
for (j = 0; j < display->num_windows; ++j) {
SDL_Window *window = &display->windows[j];
if (window->id == windowID) {
return window;
}
}
}
return NULL;
Apr 26, 2001
Apr 26, 2001
768
769
}
Jun 24, 2006
Jun 24, 2006
770
771
772
773
774
775
776
777
778
SDL_VideoDisplay *
SDL_GetDisplayFromWindow(SDL_Window * window)
{
if (!_this) {
return NULL;
}
return &_this->displays[window->display];
}
May 28, 2006
May 28, 2006
779
Uint32
May 29, 2006
May 29, 2006
780
SDL_GetWindowFlags(SDL_WindowID windowID)
Apr 26, 2001
Apr 26, 2001
781
{
May 29, 2006
May 29, 2006
782
SDL_Window *window = SDL_GetWindowFromID(windowID);
May 28, 2006
May 28, 2006
783
784
785
786
787
if (!window) {
return 0;
}
return window->flags;
Apr 26, 2001
Apr 26, 2001
788
789
}
May 28, 2006
May 28, 2006
790
void
May 29, 2006
May 29, 2006
791
SDL_SetWindowTitle(SDL_WindowID windowID, const char *title)
Apr 26, 2001
Apr 26, 2001
792
{
May 29, 2006
May 29, 2006
793
SDL_Window *window = SDL_GetWindowFromID(windowID);
May 28, 2006
May 28, 2006
794
795
796
797
798
if (!window) {
return;
}
if (window->title) {
May 29, 2006
May 29, 2006
799
SDL_free(window->title);
May 28, 2006
May 28, 2006
800
}
May 29, 2006
May 29, 2006
801
window->title = SDL_strdup(title);
May 28, 2006
May 28, 2006
802
803
if (_this->SetWindowTitle) {
May 29, 2006
May 29, 2006
804
_this->SetWindowTitle(_this, window);
May 28, 2006
May 28, 2006
805
}
Apr 26, 2001
Apr 26, 2001
806
}
May 28, 2006
May 28, 2006
807
808
const char *
May 29, 2006
May 29, 2006
809
SDL_GetWindowTitle(SDL_WindowID windowID)
Apr 26, 2001
Apr 26, 2001
810
{
May 29, 2006
May 29, 2006
811
SDL_Window *window = SDL_GetWindowFromID(windowID);
May 28, 2006
May 28, 2006
812
813
814
815
816
if (!window) {
return NULL;
}
return window->title;
Apr 26, 2001
Apr 26, 2001
817
818
}
May 28, 2006
May 28, 2006
819
void
May 29, 2006
May 29, 2006
820
SDL_SetWindowData(SDL_WindowID windowID, void *userdata)
Apr 26, 2001
Apr 26, 2001
821
{
May 29, 2006
May 29, 2006
822
SDL_Window *window = SDL_GetWindowFromID(windowID);
May 28, 2006
May 28, 2006
823
824
825
826
827
if (!window) {
return;
}
window->userdata = userdata;
Apr 26, 2001
Apr 26, 2001
828
829
}
May 28, 2006
May 28, 2006
830
void *
May 29, 2006
May 29, 2006
831
SDL_GetWindowData(SDL_WindowID windowID)
Apr 26, 2001
Apr 26, 2001
832
{
May 29, 2006
May 29, 2006
833
SDL_Window *window = SDL_GetWindowFromID(windowID);
May 28, 2006
May 28, 2006
834
835
836
837
838
if (!window) {
return NULL;
}
return window->userdata;
Apr 26, 2001
Apr 26, 2001
839
840
}
May 28, 2006
May 28, 2006
841
void
May 29, 2006
May 29, 2006
842
SDL_SetWindowPosition(SDL_WindowID windowID, int x, int y)
Apr 26, 2001
Apr 26, 2001
843
{
May 29, 2006
May 29, 2006
844
SDL_Window *window = SDL_GetWindowFromID(windowID);
May 28, 2006
May 28, 2006
845
846
847
848
849
850
851
852
853
if (!window) {
return;
}
window->x = x;
window->y = y;
if (_this->SetWindowPosition) {
May 29, 2006
May 29, 2006
854
_this->SetWindowPosition(_this, window);
May 28, 2006
May 28, 2006
855
}
Apr 26, 2001
Apr 26, 2001
856
857
}
May 28, 2006
May 28, 2006
858
void
May 29, 2006
May 29, 2006
859
SDL_GetWindowPosition(SDL_WindowID windowID, int *x, int *y)
Apr 26, 2001
Apr 26, 2001
860
{
May 29, 2006
May 29, 2006
861
SDL_Window *window = SDL_GetWindowFromID(windowID);
May 28, 2006
May 28, 2006
862
863
864
865
866
867
868
869
870
871
if (!window) {
return;
}
if (x) {
*x = window->x;
}
if (y) {
*y = window->y;
}
Apr 26, 2001
Apr 26, 2001
872
873
}
May 28, 2006
May 28, 2006
874
void
May 29, 2006
May 29, 2006
875
SDL_SetWindowSize(SDL_WindowID windowID, int w, int h)
Apr 26, 2001
Apr 26, 2001
876
{
May 29, 2006
May 29, 2006
877
SDL_Window *window = SDL_GetWindowFromID(windowID);
May 28, 2006
May 28, 2006
878
879
880
881
882
883
884
885
886
if (!window) {
return;
}
window->w = w;
window->h = h;
if (_this->SetWindowSize) {
May 29, 2006
May 29, 2006
887
_this->SetWindowSize(_this, window);
May 28, 2006
May 28, 2006
888
}
Apr 26, 2001
Apr 26, 2001
889
890
}
May 28, 2006
May 28, 2006
891
void
May 29, 2006
May 29, 2006
892
SDL_GetWindowSize(SDL_WindowID windowID, int *w, int *h)
Apr 26, 2001
Apr 26, 2001
893
{
May 29, 2006
May 29, 2006
894
SDL_Window *window = SDL_GetWindowFromID(windowID);
May 28, 2006
May 28, 2006
895
896
897
898
899
900
901
902
903
904
if (!window) {
return;
}
if (w) {
*w = window->w;
}
if (h) {
*h = window->h;
}
Apr 26, 2001
Apr 26, 2001
905
906
}
May 28, 2006
May 28, 2006
907
void
May 29, 2006
May 29, 2006
908
SDL_ShowWindow(SDL_WindowID windowID)
Apr 26, 2001
Apr 26, 2001
909
{
May 29, 2006
May 29, 2006
910
SDL_Window *window = SDL_GetWindowFromID(windowID);
May 28, 2006
May 28, 2006
911
912
913
914
915
916
917
918
if (!window || (window->flags & SDL_WINDOW_SHOWN)) {
return;
}
window->flags |= SDL_WINDOW_SHOWN;
if (_this->ShowWindow) {
May 29, 2006
May 29, 2006
919
_this->ShowWindow(_this, window);
May 28, 2006
May 28, 2006
920
}
Apr 26, 2001
Apr 26, 2001
921
922
}
May 28, 2006
May 28, 2006
923
void
May 29, 2006
May 29, 2006
924
SDL_HideWindow(SDL_WindowID windowID)
Apr 26, 2001
Apr 26, 2001
925
{
May 29, 2006
May 29, 2006
926
SDL_Window *window = SDL_GetWindowFromID(windowID);
May 28, 2006
May 28, 2006
927
928
929
930
931
932
933
934
if (!window || !(window->flags & SDL_WINDOW_SHOWN)) {
return;
}
window->flags &= ~SDL_WINDOW_SHOWN;
if (_this->HideWindow) {
May 29, 2006
May 29, 2006
935
_this->HideWindow(_this, window);
May 28, 2006
May 28, 2006
936
}
Apr 26, 2001
Apr 26, 2001
937
938
}
May 28, 2006
May 28, 2006
939
void
May 29, 2006
May 29, 2006
940
SDL_RaiseWindow(SDL_WindowID windowID)
Apr 26, 2001
Apr 26, 2001
941
{
May 29, 2006
May 29, 2006
942
SDL_Window *window = SDL_GetWindowFromID(windowID);
May 28, 2006
May 28, 2006
943
944
945
946
947
948
if (!window) {
return;
}
if (_this->RaiseWindow) {
May 29, 2006
May 29, 2006
949
_this->RaiseWindow(_this, window);
May 28, 2006
May 28, 2006
950
}
Apr 26, 2001
Apr 26, 2001
951
952
}
May 28, 2006
May 28, 2006
953
void
May 29, 2006
May 29, 2006
954
SDL_MaximizeWindow(SDL_WindowID windowID)
Apr 26, 2001
Apr 26, 2001
955
{
May 29, 2006
May 29, 2006
956
SDL_Window *window = SDL_GetWindowFromID(windowID);
May 28, 2006
May 28, 2006
957
958
959
960
961
962
963
964
if (!window || (window->flags & SDL_WINDOW_MAXIMIZED)) {
return;
}
window->flags |= SDL_WINDOW_MAXIMIZED;
if (_this->MaximizeWindow) {
May 29, 2006
May 29, 2006
965
_this->MaximizeWindow(_this, window);
May 28, 2006
May 28, 2006
966
}
Apr 26, 2001
Apr 26, 2001
967
968
}
May 28, 2006
May 28, 2006
969
void
May 29, 2006
May 29, 2006
970
SDL_MinimizeWindow(SDL_WindowID windowID)
Apr 26, 2001
Apr 26, 2001
971
{
May 29, 2006
May 29, 2006
972
SDL_Window *window = SDL_GetWindowFromID(windowID);
May 28, 2006
May 28, 2006
973
974
975
976
977
978
979
980
if (!window || (window->flags & SDL_WINDOW_MINIMIZED)) {
return;
}
window->flags |= SDL_WINDOW_MINIMIZED;
if (_this->MinimizeWindow) {
May 29, 2006
May 29, 2006
981
_this->MinimizeWindow(_this, window);
May 28, 2006
May 28, 2006
982
}
Apr 26, 2001
Apr 26, 2001
983
984
}
May 28, 2006
May 28, 2006
985
void
May 29, 2006
May 29, 2006
986
SDL_RestoreWindow(SDL_WindowID windowID)
Apr 26, 2001
Apr 26, 2001
987
{
May 29, 2006
May 29, 2006
988
SDL_Window *window = SDL_GetWindowFromID(windowID);
May 28, 2006
May 28, 2006
989
990
991
992
993
994
995
996
997
if (!window
|| (window->flags & (SDL_WINDOW_MAXIMIZED | SDL_WINDOW_MINIMIZED))) {
return;
}
window->flags &= ~(SDL_WINDOW_MAXIMIZED | SDL_WINDOW_MINIMIZED);
if (_this->RestoreWindow) {
May 29, 2006
May 29, 2006
998
_this->RestoreWindow(_this, window);
May 28, 2006
May 28, 2006
999
}
Apr 26, 2001
Apr 26, 2001
1000
}