src/video/x11/SDL_x11window.c
author Sam Lantinga <slouken@libsdl.org>
Thu, 27 Sep 2012 17:17:33 -0700
changeset 6480 d02a4369b3f5
parent 6479 388318faf0fb
child 6481 fab4b15b17e9
permissions -rw-r--r--
Hopefully improved legacy fullscreen handling (it works now on my Ubuntu Unity system)
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/*
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  Simple DirectMedia Layer
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  Copyright (C) 1997-2012 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_config.h"
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#if SDL_VIDEO_DRIVER_X11
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#include "../SDL_sysvideo.h"
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#include "../SDL_pixels_c.h"
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#include "../../events/SDL_keyboard_c.h"
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#include "../../events/SDL_mouse_c.h"
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#include "SDL_x11video.h"
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#include "SDL_x11mouse.h"
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#include "SDL_x11shape.h"
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#include "SDL_x11xinput2.h"
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#if SDL_VIDEO_OPENGL_ES || SDL_VIDEO_OPENGL_ES2
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#include "SDL_x11opengles.h"
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#endif
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#include "SDL_timer.h"
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#include "SDL_syswm.h"
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#include "SDL_assert.h"
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#define _NET_WM_STATE_REMOVE    0l
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#define _NET_WM_STATE_ADD       1l
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#define _NET_WM_STATE_TOGGLE    2l
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static Bool isMapNotify(Display *dpy, XEvent *ev, XPointer win)
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{
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    return ev->type == MapNotify && ev->xmap.window == *((Window*)win);
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}
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static Bool isUnmapNotify(Display *dpy, XEvent *ev, XPointer win)
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{
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    return ev->type == UnmapNotify && ev->xunmap.window == *((Window*)win);
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}
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static Bool isConfigureNotify(Display *dpy, XEvent *ev, XPointer win)
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{
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    return ev->type == ConfigureNotify && ev->xconfigure.window == *((Window*)win);
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}
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static Bool isFocusIn(Display *dpy, XEvent *ev, XPointer win)
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{
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    return ev->type == FocusIn && ev->xfocus.window == *((Window*)win);
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}
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static Bool isFocusOut(Display *dpy, XEvent *ev, XPointer win)
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{
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    return ev->type == FocusOut && ev->xfocus.window == *((Window*)win);
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}
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static SDL_bool
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X11_IsWindowLegacyFullscreen(_THIS, SDL_Window * window)
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{
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    SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
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    return (data->fswindow != 0);
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}
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static SDL_bool
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X11_IsWindowMapped(_THIS, SDL_Window * window)
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{
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    SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
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    SDL_VideoData *videodata = (SDL_VideoData *) _this->driverdata;
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    XWindowAttributes attr;
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    XGetWindowAttributes(videodata->display, data->xwindow, &attr);
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    if (attr.map_state != IsUnmapped) {
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        return SDL_TRUE;
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    } else {
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        return SDL_FALSE;
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    }
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}
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static int
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X11_GetWMStateProperty(_THIS, SDL_Window * window, Atom atoms[3])
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{
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    SDL_VideoData *data = (SDL_VideoData *) _this->driverdata;
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    int count = 0;
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    if (window->flags & SDL_WINDOW_FULLSCREEN) {
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        atoms[count++] = data->_NET_WM_STATE_FULLSCREEN;
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    }
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    if (window->flags & SDL_WINDOW_MAXIMIZED) {
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        atoms[count++] = data->_NET_WM_STATE_MAXIMIZED_VERT;
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        atoms[count++] = data->_NET_WM_STATE_MAXIMIZED_HORZ;
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    }
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    return count;
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}
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static int
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SetupWindowData(_THIS, SDL_Window * window, Window w, BOOL created)
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{
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    SDL_VideoData *videodata = (SDL_VideoData *) _this->driverdata;
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    SDL_WindowData *data;
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    int numwindows = videodata->numwindows;
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    int windowlistlength = videodata->windowlistlength;
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    SDL_WindowData **windowlist = videodata->windowlist;
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    /* Allocate the window data */
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    data = (SDL_WindowData *) SDL_calloc(1, sizeof(*data));
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    if (!data) {
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        SDL_OutOfMemory();
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        return -1;
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    }
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    data->window = window;
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    data->xwindow = w;
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#ifdef X_HAVE_UTF8_STRING
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    if (SDL_X11_HAVE_UTF8) {
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        data->ic =
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            pXCreateIC(videodata->im, XNClientWindow, w, XNFocusWindow, w,
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                       XNInputStyle, XIMPreeditNothing | XIMStatusNothing,
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                       XNResourceName, videodata->classname, XNResourceClass,
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                       videodata->classname, NULL);
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    }
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#endif
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    data->created = created;
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    data->videodata = videodata;
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    /* Associate the data with the window */
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    if (numwindows < windowlistlength) {
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        windowlist[numwindows] = data;
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        videodata->numwindows++;
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    } else {
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        windowlist =
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            (SDL_WindowData **) SDL_realloc(windowlist,
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                                            (numwindows +
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                                             1) * sizeof(*windowlist));
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        if (!windowlist) {
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            SDL_OutOfMemory();
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            SDL_free(data);
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            return -1;
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        }
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        windowlist[numwindows] = data;
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        videodata->numwindows++;
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        videodata->windowlistlength++;
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        videodata->windowlist = windowlist;
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    }
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    /* Fill in the SDL window with the window data */
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    {
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        XWindowAttributes attrib;
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        XGetWindowAttributes(data->videodata->display, w, &attrib);
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        window->x = attrib.x;
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        window->y = attrib.y;
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        window->w = attrib.width;
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        window->h = attrib.height;
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        if (attrib.map_state != IsUnmapped) {
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            window->flags |= SDL_WINDOW_SHOWN;
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        } else {
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            window->flags &= ~SDL_WINDOW_SHOWN;
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        }
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        data->visual = attrib.visual;
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        data->colormap = attrib.colormap;
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    }
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    {
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        Atom _NET_WM_STATE = data->videodata->_NET_WM_STATE;
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        Atom _NET_WM_STATE_MAXIMIZED_VERT = data->videodata->_NET_WM_STATE_MAXIMIZED_VERT;
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        Atom _NET_WM_STATE_MAXIMIZED_HORZ = data->videodata->_NET_WM_STATE_MAXIMIZED_HORZ;
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        Atom _NET_WM_STATE_FULLSCREEN = data->videodata->_NET_WM_STATE_FULLSCREEN;
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        Atom actualType;
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        int actualFormat;
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        unsigned long i, numItems, bytesAfter;
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        unsigned char *propertyValue = NULL;
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        long maxLength = 1024;
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        if (XGetWindowProperty(data->videodata->display, w, _NET_WM_STATE,
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                               0l, maxLength, False, XA_ATOM, &actualType,
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                               &actualFormat, &numItems, &bytesAfter,
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                               &propertyValue) == Success) {
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            Atom *atoms = (Atom *) propertyValue;
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            int maximized = 0;
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            int fullscreen = 0;
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            for (i = 0; i < numItems; ++i) {
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                if (atoms[i] == _NET_WM_STATE_MAXIMIZED_VERT) {
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                    maximized |= 1;
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                } else if (atoms[i] == _NET_WM_STATE_MAXIMIZED_HORZ) {
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                    maximized |= 2;
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                } else if ( atoms[i] == _NET_WM_STATE_FULLSCREEN) {
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                    fullscreen = 1;
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                }
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            }
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            if (maximized == 3) {
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                window->flags |= SDL_WINDOW_MAXIMIZED;
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            }  else if (fullscreen == 1) {
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                window->flags |= SDL_WINDOW_FULLSCREEN;
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            }
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            XFree(propertyValue);
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        }
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    }
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    {
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        Window FocalWindow;
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        int RevertTo=0;
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        XGetInputFocus(data->videodata->display, &FocalWindow, &RevertTo);
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        if (FocalWindow==w)
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        {
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            window->flags |= SDL_WINDOW_INPUT_FOCUS;
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            SDL_SetKeyboardFocus(data->window);
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        }
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        if (window->flags & SDL_WINDOW_INPUT_GRABBED) {
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            /* Tell x11 to clip mouse */
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        }
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    }
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    /* FIXME: How can I tell?
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       {
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       DWORD style = GetWindowLong(hwnd, GWL_STYLE);
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       if (style & WS_VISIBLE) {
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       if (style & (WS_BORDER | WS_THICKFRAME)) {
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       window->flags &= ~SDL_WINDOW_BORDERLESS;
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       } else {
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       window->flags |= SDL_WINDOW_BORDERLESS;
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       }
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       if (style & WS_THICKFRAME) {
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       window->flags |= SDL_WINDOW_RESIZABLE;
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       } else {
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       window->flags &= ~SDL_WINDOW_RESIZABLE;
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       }
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       if (style & WS_MINIMIZE) {
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       window->flags |= SDL_WINDOW_MINIMIZED;
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       } else {
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       window->flags &= ~SDL_WINDOW_MINIMIZED;
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       }
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       }
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       if (GetFocus() == hwnd) {
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       int index = data->videodata->keyboard;
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       window->flags |= SDL_WINDOW_INPUT_FOCUS;
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       SDL_SetKeyboardFocus(index, data->window);
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       if (window->flags & SDL_WINDOW_INPUT_GRABBED) {
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       RECT rect;
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       GetClientRect(hwnd, &rect);
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       ClientToScreen(hwnd, (LPPOINT) & rect);
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       ClientToScreen(hwnd, (LPPOINT) & rect + 1);
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       ClipCursor(&rect);
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       }
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       }
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     */
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    /* All done! */
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    window->driverdata = data;
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    return 0;
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}
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static void
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SetWindowBordered(Display *display, int screen, Window window, SDL_bool border)
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{
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    /*
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     * this code used to check for KWM_WIN_DECORATION, but KDE hasn't
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     *  supported it for years and years. It now respects _MOTIF_WM_HINTS.
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     *  Gnome is similar: just use the Motif atom.
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     */
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    Atom WM_HINTS = XInternAtom(display, "_MOTIF_WM_HINTS", True);
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    if (WM_HINTS != None) {
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        /* Hints used by Motif compliant window managers */
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        struct
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        {
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            unsigned long flags;
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            unsigned long functions;
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            unsigned long decorations;
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            long input_mode;
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            unsigned long status;
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        } MWMHints = {
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            (1L << 1), 0, border ? 1 : 0, 0, 0
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        };
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        XChangeProperty(display, window, WM_HINTS, WM_HINTS, 32,
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                        PropModeReplace, (unsigned char *) &MWMHints,
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                        sizeof(MWMHints) / 4);
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    } else {  /* set the transient hints instead, if necessary */
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        XSetTransientForHint(display, window, RootWindow(display, screen));
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    }
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}
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int
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X11_CreateWindow(_THIS, SDL_Window * window)
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{
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    SDL_VideoData *data = (SDL_VideoData *) _this->driverdata;
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    SDL_DisplayData *displaydata =
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        (SDL_DisplayData *) SDL_GetDisplayForWindow(window)->driverdata;
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    Display *display = data->display;
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    int screen = displaydata->screen;
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    Visual *visual;
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    int depth;
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    XSetWindowAttributes xattr;
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    Window w;
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    XSizeHints *sizehints;
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    XWMHints *wmhints;
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    XClassHint *classhints;
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    Atom _NET_WM_WINDOW_TYPE;
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    Atom _NET_WM_WINDOW_TYPE_NORMAL;
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    Atom _NET_WM_PID;
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    int wmstate_count;
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    Atom wmstate_atoms[3];
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    Uint32 fevent = 0;
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#if SDL_VIDEO_OPENGL_GLX || SDL_VIDEO_OPENGL_ES || SDL_VIDEO_OPENGL_ES2
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    if (window->flags & SDL_WINDOW_OPENGL) {
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        XVisualInfo *vinfo;
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#if SDL_VIDEO_OPENGL_ES || SDL_VIDEO_OPENGL_ES2        
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        if (_this->gl_config.use_egl == 1) {
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            vinfo = X11_GLES_GetVisual(_this, display, screen);
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        } else
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#endif
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        {
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#if SDL_VIDEO_OPENGL_GLX
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            vinfo = X11_GL_GetVisual(_this, display, screen);
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#endif
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        }
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        if (!vinfo) {
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            return -1;
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        }
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        visual = vinfo->visual;
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        depth = vinfo->depth;
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        XFree(vinfo);
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    } else
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#endif
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    {
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        visual = displaydata->visual;
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        depth = displaydata->depth;
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    }
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    xattr.override_redirect = False;
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    xattr.background_pixel = 0;
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    xattr.border_pixel = 0;
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    if (visual->class == DirectColor) {
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        XColor *colorcells;
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        int i;
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        int ncolors;
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        int rmax, gmax, bmax;
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        int rmask, gmask, bmask;
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        int rshift, gshift, bshift;
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        xattr.colormap =
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            XCreateColormap(display, RootWindow(display, screen),
slouken@5466
   360
                            visual, AllocAll);
slouken@5466
   361
slouken@5466
   362
        /* If we can't create a colormap, then we must die */
slouken@5466
   363
        if (!xattr.colormap) {
slouken@5466
   364
            SDL_SetError("Could not create writable colormap");
slouken@5466
   365
            return -1;
slouken@5466
   366
        }
slouken@5466
   367
slouken@5466
   368
        /* OK, we got a colormap, now fill it in as best as we can */
slouken@5466
   369
        colorcells = SDL_malloc(visual->map_entries * sizeof(XColor));
slouken@5466
   370
        if (!colorcells) {
slouken@5466
   371
            SDL_OutOfMemory();
slouken@5466
   372
            return -1;
slouken@5466
   373
        }
slouken@5466
   374
        ncolors = visual->map_entries;
slouken@5466
   375
        rmax = 0xffff;
slouken@5466
   376
        gmax = 0xffff;
slouken@5466
   377
        bmax = 0xffff;
slouken@5466
   378
slouken@5466
   379
        rshift = 0;
slouken@5466
   380
        rmask = visual->red_mask;
slouken@5466
   381
        while (0 == (rmask & 1)) {
slouken@5466
   382
            rshift++;
slouken@5466
   383
            rmask >>= 1;
slouken@5466
   384
        }
slouken@5466
   385
slouken@5466
   386
        gshift = 0;
slouken@5466
   387
        gmask = visual->green_mask;
slouken@5466
   388
        while (0 == (gmask & 1)) {
slouken@5466
   389
            gshift++;
slouken@5466
   390
            gmask >>= 1;
slouken@5466
   391
        }
slouken@5466
   392
slouken@5466
   393
        bshift = 0;
slouken@5466
   394
        bmask = visual->blue_mask;
slouken@5466
   395
        while (0 == (bmask & 1)) {
slouken@5466
   396
            bshift++;
slouken@5466
   397
            bmask >>= 1;
slouken@5466
   398
        }
slouken@5466
   399
slouken@5466
   400
        /* build the color table pixel values */
slouken@5466
   401
        for (i = 0; i < ncolors; i++) {
slouken@5466
   402
            Uint32 red = (rmax * i) / (ncolors - 1);
slouken@5466
   403
            Uint32 green = (gmax * i) / (ncolors - 1);
slouken@5466
   404
            Uint32 blue = (bmax * i) / (ncolors - 1);
slouken@5466
   405
slouken@5466
   406
            Uint32 rbits = (rmask * i) / (ncolors - 1);
slouken@5466
   407
            Uint32 gbits = (gmask * i) / (ncolors - 1);
slouken@5466
   408
            Uint32 bbits = (bmask * i) / (ncolors - 1);
slouken@5466
   409
slouken@5466
   410
            Uint32 pix =
slouken@5466
   411
                (rbits << rshift) | (gbits << gshift) | (bbits << bshift);
slouken@5466
   412
slouken@5466
   413
            colorcells[i].pixel = pix;
slouken@5466
   414
slouken@5466
   415
            colorcells[i].red = red;
slouken@5466
   416
            colorcells[i].green = green;
slouken@5466
   417
            colorcells[i].blue = blue;
slouken@5466
   418
slouken@5466
   419
            colorcells[i].flags = DoRed | DoGreen | DoBlue;
slouken@5466
   420
        }
slouken@5466
   421
slouken@5466
   422
        XStoreColors(display, xattr.colormap, colorcells, ncolors);
slouken@5466
   423
slouken@5466
   424
        SDL_free(colorcells);
slouken@5466
   425
    } else {
slouken@5466
   426
        xattr.colormap =
slouken@5466
   427
            XCreateColormap(display, RootWindow(display, screen),
slouken@5466
   428
                            visual, AllocNone);
slouken@5466
   429
    }
slouken@1951
   430
slouken@5386
   431
    w = XCreateWindow(display, RootWindow(display, screen),
slouken@5386
   432
                      window->x, window->y, window->w, window->h,
slouken@5386
   433
                      0, depth, InputOutput, visual,
slouken@1951
   434
                      (CWOverrideRedirect | CWBackPixel | CWBorderPixel |
slouken@1951
   435
                       CWColormap), &xattr);
slouken@1952
   436
    if (!w) {
slouken@1952
   437
        SDL_SetError("Couldn't create window");
slouken@1952
   438
        return -1;
slouken@1952
   439
    }
slouken@6188
   440
#if SDL_VIDEO_OPENGL_ES || SDL_VIDEO_OPENGL_ES2
slouken@6373
   441
    if ((window->flags & SDL_WINDOW_OPENGL) && (_this->gl_config.use_egl == 1)) {
slouken@6373
   442
        if (!_this->gles_data) {
slouken@6373
   443
            XDestroyWindow(display, w);
slouken@6373
   444
            return -1;
slouken@6373
   445
        }
slouken@6373
   446
slouken@6188
   447
        /* Create the GLES window surface */
slouken@6188
   448
        _this->gles_data->egl_surface =
slouken@6188
   449
            _this->gles_data->eglCreateWindowSurface(_this->gles_data->
slouken@3161
   450
                                                 egl_display,
slouken@3161
   451
                                                 _this->gles_data->egl_config,
slouken@3161
   452
                                                 (NativeWindowType) w, NULL);
slouken@3161
   453
slouken@6188
   454
        if (_this->gles_data->egl_surface == EGL_NO_SURFACE) {
slouken@6188
   455
            SDL_SetError("Could not create GLES window surface");
slouken@6373
   456
            XDestroyWindow(display, w);
slouken@6188
   457
            return -1;
slouken@6188
   458
        }
slouken@3161
   459
    }
slouken@3161
   460
#endif
slouken@1951
   461
icculus@6422
   462
    SetWindowBordered(display, screen, w,
icculus@6422
   463
                      (window->flags & SDL_WINDOW_BORDERLESS) == 0);
slouken@1951
   464
urkle@6462
   465
    sizehints = XAllocSizeHints();
mail@6167
   466
    /* Setup the normal size hints */
urkle@6462
   467
    sizehints->flags = 0;
mail@6167
   468
    if (!(window->flags & SDL_WINDOW_RESIZABLE)) {
urkle@6462
   469
        sizehints->min_width = sizehints->max_width = window->w;
urkle@6462
   470
        sizehints->min_height = sizehints->max_height = window->h;
urkle@6462
   471
        sizehints->flags |= (PMaxSize | PMinSize);
slouken@1951
   472
    }
urkle@6462
   473
    sizehints->x = window->x;
urkle@6462
   474
    sizehints->y = window->y;
urkle@6462
   475
    sizehints->flags |= USPosition;
slouken@1951
   476
mail@6167
   477
    /* Setup the input hints so we get keyboard input */
urkle@6462
   478
    wmhints = XAllocWMHints();
urkle@6462
   479
    wmhints->input = True;
urkle@6462
   480
    wmhints->flags = InputHint;
mail@6167
   481
mail@6167
   482
    /* Setup the class hints so we can get an icon (AfterStep) */
urkle@6462
   483
    classhints = XAllocClassHint();
urkle@6462
   484
    classhints->res_name = data->classname;
urkle@6462
   485
    classhints->res_class = data->classname;
mail@6167
   486
mail@6167
   487
    /* Set the size, input and class hints, and define WM_CLIENT_MACHINE and WM_LOCALE_NAME */
urkle@6462
   488
    XSetWMProperties(display, w, NULL, NULL, NULL, 0, sizehints, wmhints, classhints);
mail@6167
   489
urkle@6462
   490
    XFree(sizehints);
urkle@6462
   491
    XFree(wmhints);
urkle@6462
   492
    XFree(classhints);
mail@6167
   493
    /* Set the PID related to the window for the given hostname, if possible */
mail@6167
   494
    if (data->pid > 0) {
mail@6167
   495
        _NET_WM_PID = XInternAtom(display, "_NET_WM_PID", False);
mail@6167
   496
        XChangeProperty(display, w, _NET_WM_PID, XA_CARDINAL, 32, PropModeReplace,
mail@6167
   497
                        (unsigned char *)&data->pid, 1);
slouken@1951
   498
    }
slouken@1951
   499
slouken@4522
   500
    /* Set the window manager state */
slouken@4522
   501
    wmstate_count = X11_GetWMStateProperty(_this, window, wmstate_atoms);
slouken@4522
   502
    if (wmstate_count > 0) {
slouken@4522
   503
        XChangeProperty(display, w, data->_NET_WM_STATE, XA_ATOM, 32,
slouken@4522
   504
                        PropModeReplace,
slouken@4522
   505
                        (unsigned char *)wmstate_atoms, wmstate_count);
slouken@4522
   506
    } else {
slouken@4522
   507
        XDeleteProperty(display, w, data->_NET_WM_STATE);
slouken@4518
   508
    }
slouken@4518
   509
slouken@4521
   510
    /* Let the window manager know we're a "normal" window */
slouken@4521
   511
    _NET_WM_WINDOW_TYPE = XInternAtom(display, "_NET_WM_WINDOW_TYPE", False);
slouken@4521
   512
    _NET_WM_WINDOW_TYPE_NORMAL = XInternAtom(display, "_NET_WM_WINDOW_TYPE_NORMAL", False);
slouken@4521
   513
    XChangeProperty(display, w, _NET_WM_WINDOW_TYPE, XA_ATOM, 32,
slouken@4521
   514
                    PropModeReplace,
slouken@4521
   515
                    (unsigned char *)&_NET_WM_WINDOW_TYPE_NORMAL, 1);
slouken@4521
   516
slouken@1951
   517
    /* Allow the window to be deleted by the window manager */
slouken@4521
   518
    XSetWMProtocols(display, w, &data->WM_DELETE_WINDOW, 1);
slouken@1951
   519
slouken@1951
   520
    if (SetupWindowData(_this, window, w, SDL_TRUE) < 0) {
slouken@4521
   521
        XDestroyWindow(display, w);
slouken@1951
   522
        return -1;
slouken@1951
   523
    }
slouken@5386
   524
bob@2325
   525
#ifdef X_HAVE_UTF8_STRING
icculus@6045
   526
    if (SDL_X11_HAVE_UTF8) {
bob@2325
   527
        pXGetICValues(((SDL_WindowData *) window->driverdata)->ic,
bob@2325
   528
                      XNFilterEvents, &fevent, NULL);
kazeuser@2718
   529
    }
bob@2325
   530
#endif
bob@2325
   531
dimitris@6316
   532
    X11_Xinput2SelectTouch(_this, window);
dimitris@6316
   533
icculus@6045
   534
    XSelectInput(display, w,
icculus@6045
   535
                 (FocusChangeMask | EnterWindowMask | LeaveWindowMask |
icculus@6045
   536
                 ExposureMask | ButtonPressMask | ButtonReleaseMask |
icculus@6045
   537
                 PointerMotionMask | KeyPressMask | KeyReleaseMask |
icculus@6045
   538
                 PropertyChangeMask | StructureNotifyMask |
icculus@6045
   539
                 KeymapStateMask | fevent));
icculus@6045
   540
slouken@5031
   541
    XFlush(display);
slouken@5031
   542
slouken@1951
   543
    return 0;
slouken@1951
   544
}
slouken@1951
   545
slouken@1951
   546
int
bob@2324
   547
X11_CreateWindowFrom(_THIS, SDL_Window * window, const void *data)
slouken@1951
   548
{
slouken@1951
   549
    Window w = (Window) data;
slouken@1951
   550
slouken@4518
   551
    window->title = X11_GetWindowTitle(_this, w);
slouken@1951
   552
slouken@1951
   553
    if (SetupWindowData(_this, window, w, SDL_FALSE) < 0) {
slouken@1951
   554
        return -1;
slouken@1951
   555
    }
slouken@1951
   556
    return 0;
slouken@1951
   557
}
slouken@1951
   558
slouken@4518
   559
char *
slouken@4518
   560
X11_GetWindowTitle(_THIS, Window xwindow)
slouken@4518
   561
{
slouken@4518
   562
    SDL_VideoData *data = (SDL_VideoData *) _this->driverdata;
slouken@4518
   563
    Display *display = data->display;
slouken@4518
   564
    int status, real_format;
slouken@4518
   565
    Atom real_type;
slouken@4518
   566
    unsigned long items_read, items_left;
slouken@4518
   567
    unsigned char *propdata;
slouken@4518
   568
    char *title = NULL;
slouken@4518
   569
slouken@4518
   570
    status = XGetWindowProperty(display, xwindow, data->_NET_WM_NAME,
slouken@4518
   571
                0L, 8192L, False, data->UTF8_STRING, &real_type, &real_format,
slouken@4518
   572
                &items_read, &items_left, &propdata);
icculus@6023
   573
    if (status == Success && propdata) {
slouken@4518
   574
        title = SDL_strdup(SDL_static_cast(char*, propdata));
slouken@4518
   575
        XFree(propdata);
slouken@4518
   576
    } else {
slouken@4518
   577
        status = XGetWindowProperty(display, xwindow, XA_WM_NAME,
slouken@4518
   578
                    0L, 8192L, False, XA_STRING, &real_type, &real_format,
slouken@4518
   579
                    &items_read, &items_left, &propdata);
icculus@6023
   580
        if (status == Success && propdata) {
slouken@4518
   581
            title = SDL_iconv_string("UTF-8", "", SDL_static_cast(char*, propdata), items_read+1);
slouken@4518
   582
        } else {
slouken@4518
   583
            title = SDL_strdup("");
slouken@4518
   584
        }
slouken@4518
   585
    }
slouken@4518
   586
    return title;
slouken@4518
   587
}
slouken@4518
   588
slouken@1951
   589
void
slouken@1951
   590
X11_SetWindowTitle(_THIS, SDL_Window * window)
slouken@1951
   591
{
slouken@1951
   592
    SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
slouken@1951
   593
    Display *display = data->videodata->display;
slouken@1951
   594
    XTextProperty titleprop, iconprop;
slouken@1951
   595
    Status status;
slouken@1951
   596
    const char *title = window->title;
slouken@1951
   597
    const char *icon = NULL;
slouken@1951
   598
slouken@1951
   599
#ifdef X_HAVE_UTF8_STRING
slouken@4518
   600
    Atom _NET_WM_NAME = data->videodata->_NET_WM_NAME;
slouken@4518
   601
    Atom _NET_WM_ICON_NAME = data->videodata->_NET_WM_ICON_NAME;
slouken@1951
   602
#endif
slouken@1951
   603
slouken@1951
   604
    if (title != NULL) {
slouken@2143
   605
        char *title_locale = SDL_iconv_utf8_locale(title);
slouken@2143
   606
        if (!title_locale) {
slouken@1951
   607
            SDL_OutOfMemory();
slouken@1951
   608
            return;
slouken@1951
   609
        }
slouken@2143
   610
        status = XStringListToTextProperty(&title_locale, 1, &titleprop);
slouken@2143
   611
        SDL_free(title_locale);
slouken@1951
   612
        if (status) {
slouken@3685
   613
            XSetTextProperty(display, data->xwindow, &titleprop, XA_WM_NAME);
slouken@1951
   614
            XFree(titleprop.value);
slouken@1951
   615
        }
slouken@1951
   616
#ifdef X_HAVE_UTF8_STRING
slouken@1951
   617
        if (SDL_X11_HAVE_UTF8) {
slouken@1951
   618
            status =
slouken@1951
   619
                Xutf8TextListToTextProperty(display, (char **) &title, 1,
slouken@1951
   620
                                            XUTF8StringStyle, &titleprop);
slouken@1951
   621
            if (status == Success) {
slouken@3685
   622
                XSetTextProperty(display, data->xwindow, &titleprop,
slouken@1951
   623
                                 _NET_WM_NAME);
slouken@1951
   624
                XFree(titleprop.value);
slouken@1951
   625
            }
slouken@1951
   626
        }
slouken@1951
   627
#endif
slouken@1951
   628
    }
slouken@1951
   629
    if (icon != NULL) {
slouken@2143
   630
        char *icon_locale = SDL_iconv_utf8_locale(icon);
slouken@2143
   631
        if (!icon_locale) {
slouken@1951
   632
            SDL_OutOfMemory();
slouken@1951
   633
            return;
slouken@1951
   634
        }
slouken@2143
   635
        status = XStringListToTextProperty(&icon_locale, 1, &iconprop);
slouken@2143
   636
        SDL_free(icon_locale);
slouken@1951
   637
        if (status) {
slouken@3685
   638
            XSetTextProperty(display, data->xwindow, &iconprop,
slouken@1951
   639
                             XA_WM_ICON_NAME);
slouken@1951
   640
            XFree(iconprop.value);
slouken@1951
   641
        }
slouken@1951
   642
#ifdef X_HAVE_UTF8_STRING
slouken@1951
   643
        if (SDL_X11_HAVE_UTF8) {
slouken@1951
   644
            status =
slouken@1951
   645
                Xutf8TextListToTextProperty(display, (char **) &icon, 1,
slouken@1951
   646
                                            XUTF8StringStyle, &iconprop);
slouken@1951
   647
            if (status == Success) {
slouken@3685
   648
                XSetTextProperty(display, data->xwindow, &iconprop,
slouken@1951
   649
                                 _NET_WM_ICON_NAME);
slouken@1951
   650
                XFree(iconprop.value);
slouken@1951
   651
            }
slouken@1951
   652
        }
slouken@1951
   653
#endif
slouken@1951
   654
    }
slouken@5031
   655
    XFlush(display);
slouken@1951
   656
}
slouken@1951
   657
slouken@1951
   658
void
slouken@2967
   659
X11_SetWindowIcon(_THIS, SDL_Window * window, SDL_Surface * icon)
slouken@2967
   660
{
slouken@2967
   661
    SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
slouken@2967
   662
    Display *display = data->videodata->display;
slouken@4518
   663
    Atom _NET_WM_ICON = data->videodata->_NET_WM_ICON;
slouken@2967
   664
slouken@2967
   665
    if (icon) {
slouken@2967
   666
        SDL_PixelFormat format;
slouken@2967
   667
        SDL_Surface *surface;
slouken@2967
   668
        int propsize;
slouken@4528
   669
        long *propdata;
slouken@2967
   670
slouken@2967
   671
        /* Convert the icon to ARGB for modern window managers */
slouken@5288
   672
        SDL_InitFormat(&format, SDL_PIXELFORMAT_ARGB8888);
slouken@2967
   673
        surface = SDL_ConvertSurface(icon, &format, 0);
slouken@2967
   674
        if (!surface) {
slouken@2967
   675
            return;
slouken@2967
   676
        }
slouken@2967
   677
slouken@2967
   678
        /* Set the _NET_WM_ICON property */
slouken@2990
   679
        propsize = 2 + (icon->w * icon->h);
slouken@4566
   680
        propdata = SDL_malloc(propsize * sizeof(long));
slouken@2967
   681
        if (propdata) {
slouken@4528
   682
            int x, y;
slouken@4528
   683
            Uint32 *src;
slouken@4528
   684
            long *dst;
slouken@4528
   685
slouken@2967
   686
            propdata[0] = icon->w;
slouken@2967
   687
            propdata[1] = icon->h;
slouken@4528
   688
            dst = &propdata[2];
slouken@4528
   689
            for (y = 0; y < icon->h; ++y) {
slouken@4528
   690
                src = (Uint32*)((Uint8*)surface->pixels + y * surface->pitch);
slouken@4528
   691
                for (x = 0; x < icon->w; ++x) {
slouken@4528
   692
                    *dst++ = *src++;
slouken@4528
   693
                }
slouken@4528
   694
            }
slouken@3685
   695
            XChangeProperty(display, data->xwindow, _NET_WM_ICON, XA_CARDINAL,
slouken@2990
   696
                            32, PropModeReplace, (unsigned char *) propdata,
slouken@2990
   697
                            propsize);
slouken@2967
   698
        }
slouken@2967
   699
        SDL_FreeSurface(surface);
slouken@2967
   700
    } else {
slouken@3685
   701
        XDeleteProperty(display, data->xwindow, _NET_WM_ICON);
slouken@2967
   702
    }
slouken@5031
   703
    XFlush(display);
slouken@2967
   704
}
slouken@2967
   705
slouken@2967
   706
void
slouken@1951
   707
X11_SetWindowPosition(_THIS, SDL_Window * window)
slouken@1951
   708
{
slouken@1951
   709
    SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
slouken@1951
   710
    Display *display = data->videodata->display;
slouken@1951
   711
slouken@5478
   712
    XMoveWindow(display, data->xwindow, window->x, window->y);
slouken@5031
   713
    XFlush(display);
slouken@1951
   714
}
slouken@1951
   715
slouken@1951
   716
void
slouken@1951
   717
X11_SetWindowSize(_THIS, SDL_Window * window)
slouken@1951
   718
{
slouken@1951
   719
    SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
slouken@1951
   720
    Display *display = data->videodata->display;
slouken@1951
   721
slouken@4937
   722
    if (SDL_IsShapedWindow(window))
eligottlieb@4782
   723
        X11_ResizeWindowShape(window);
slouken@5531
   724
    if (!(window->flags & SDL_WINDOW_RESIZABLE)) {
slouken@5531
   725
         /* Apparently, if the X11 Window is set to a 'non-resizable' window, you cannot resize it using the XResizeWindow, thus
slouken@5531
   726
            we must set the size hints to adjust the window size.*/
slouken@5531
   727
         XSizeHints *sizehints = XAllocSizeHints();
slouken@5531
   728
         long userhints;
slouken@5531
   729
slouken@5531
   730
         XGetWMNormalHints(display, data->xwindow, sizehints, &userhints);
slouken@5531
   731
slouken@6343
   732
         sizehints->min_width = sizehints->max_width = window->w;
slouken@5531
   733
         sizehints->min_height = sizehints->max_height = window->h;
slouken@5531
   734
slouken@5531
   735
         XSetWMNormalHints(display, data->xwindow, sizehints);
slouken@5531
   736
slouken@5531
   737
         XFree(sizehints);
slouken@5531
   738
    } else
slouken@5531
   739
        XResizeWindow(display, data->xwindow, window->w, window->h);
slouken@5031
   740
    XFlush(display);
slouken@1951
   741
}
slouken@1951
   742
icculus@6422
   743
void
icculus@6422
   744
X11_SetWindowBordered(_THIS, SDL_Window * window, SDL_bool bordered)
icculus@6422
   745
{
icculus@6423
   746
    const SDL_bool focused = ((window->flags & SDL_WINDOW_INPUT_FOCUS) != 0);
icculus@6423
   747
    const SDL_bool visible = ((window->flags & SDL_WINDOW_HIDDEN) == 0);
icculus@6422
   748
    SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
icculus@6422
   749
    SDL_DisplayData *displaydata =
icculus@6422
   750
        (SDL_DisplayData *) SDL_GetDisplayForWindow(window)->driverdata;
icculus@6422
   751
    Display *display = data->videodata->display;
icculus@6422
   752
    XEvent event;
icculus@6422
   753
icculus@6422
   754
    SetWindowBordered(display, displaydata->screen, data->xwindow, bordered);
icculus@6423
   755
    XFlush(display);
icculus@6422
   756
    XIfEvent(display, &event, &isConfigureNotify, (XPointer)&data->xwindow);
icculus@6422
   757
icculus@6423
   758
    if (visible) {
icculus@6423
   759
        XWindowAttributes attr;
icculus@6423
   760
        do {
icculus@6423
   761
            XSync(display, False);
icculus@6423
   762
            XGetWindowAttributes(display, data->xwindow, &attr);
icculus@6423
   763
        } while (attr.map_state != IsViewable);
icculus@6423
   764
icculus@6423
   765
        if (focused) {
icculus@6423
   766
            XSetInputFocus(display, data->xwindow, RevertToParent, CurrentTime);
icculus@6423
   767
        }
icculus@6423
   768
    }
icculus@6423
   769
icculus@6422
   770
    /* make sure these don't make it to the real event queue if they fired here. */
icculus@6423
   771
    XSync(display, False);
icculus@6423
   772
    XCheckIfEvent(display, &event, &isUnmapNotify, (XPointer)&data->xwindow);
icculus@6423
   773
    XCheckIfEvent(display, &event, &isMapNotify, (XPointer)&data->xwindow);
icculus@6422
   774
}
slouken@6336
   775
slouken@1951
   776
void
slouken@1951
   777
X11_ShowWindow(_THIS, SDL_Window * window)
slouken@1951
   778
{
slouken@1951
   779
    SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
slouken@1951
   780
    Display *display = data->videodata->display;
slouken@6336
   781
    XEvent event;
slouken@1951
   782
slouken@3685
   783
    XMapRaised(display, data->xwindow);
slouken@6336
   784
    /* Blocking wait for "MapNotify" event.
slouken@6336
   785
     * We use XIfEvent because XWindowEvent takes a mask rather than a type, 
slouken@6336
   786
     * and XCheckTypedWindowEvent doesn't block */
slouken@6336
   787
    XIfEvent(display, &event, &isMapNotify, (XPointer)&data->xwindow);
slouken@5031
   788
    XFlush(display);
slouken@1951
   789
}
slouken@1951
   790
slouken@1951
   791
void
slouken@1951
   792
X11_HideWindow(_THIS, SDL_Window * window)
slouken@1951
   793
{
slouken@1951
   794
    SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
slouken@1951
   795
    Display *display = data->videodata->display;
slouken@6336
   796
    XEvent event;
slouken@1951
   797
slouken@3685
   798
    XUnmapWindow(display, data->xwindow);
slouken@6336
   799
    /* Blocking wait for "UnmapNotify" event */
slouken@6336
   800
    XIfEvent(display, &event, &isUnmapNotify, (XPointer)&data->xwindow);    
slouken@5031
   801
    XFlush(display);
slouken@1951
   802
}
slouken@1951
   803
slouken@1951
   804
void
slouken@1951
   805
X11_RaiseWindow(_THIS, SDL_Window * window)
slouken@1951
   806
{
slouken@1951
   807
    SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
slouken@1951
   808
    Display *display = data->videodata->display;
slouken@1951
   809
slouken@3685
   810
    XRaiseWindow(display, data->xwindow);
slouken@5031
   811
    XFlush(display);
slouken@1951
   812
}
slouken@1951
   813
slouken@3077
   814
static void
slouken@5302
   815
SetWindowMaximized(_THIS, SDL_Window * window, SDL_bool maximized)
slouken@3077
   816
{
slouken@3077
   817
    SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
slouken@3077
   818
    SDL_DisplayData *displaydata =
slouken@5246
   819
        (SDL_DisplayData *) SDL_GetDisplayForWindow(window)->driverdata;
slouken@3077
   820
    Display *display = data->videodata->display;
slouken@4518
   821
    Atom _NET_WM_STATE = data->videodata->_NET_WM_STATE;
slouken@4518
   822
    Atom _NET_WM_STATE_MAXIMIZED_VERT = data->videodata->_NET_WM_STATE_MAXIMIZED_VERT;
slouken@4518
   823
    Atom _NET_WM_STATE_MAXIMIZED_HORZ = data->videodata->_NET_WM_STATE_MAXIMIZED_HORZ;
slouken@4522
   824
    Atom _NET_WM_STATE_FULLSCREEN = data->videodata->_NET_WM_STATE_FULLSCREEN;
slouken@3077
   825
slouken@4522
   826
    if (X11_IsWindowMapped(_this, window)) {
slouken@4522
   827
        XEvent e;
slouken@3077
   828
slouken@4524
   829
        SDL_zero(e);
slouken@4522
   830
        e.xany.type = ClientMessage;
slouken@4522
   831
        e.xclient.message_type = _NET_WM_STATE;
slouken@4522
   832
        e.xclient.format = 32;
slouken@4522
   833
        e.xclient.window = data->xwindow;
slouken@4522
   834
        e.xclient.data.l[0] =
slouken@4522
   835
            maximized ? _NET_WM_STATE_ADD : _NET_WM_STATE_REMOVE;
slouken@4522
   836
        e.xclient.data.l[1] = _NET_WM_STATE_MAXIMIZED_VERT;
slouken@4522
   837
        e.xclient.data.l[2] = _NET_WM_STATE_MAXIMIZED_HORZ;
slouken@4522
   838
        e.xclient.data.l[3] = 0l;
slouken@4522
   839
slouken@4522
   840
        XSendEvent(display, RootWindow(display, displaydata->screen), 0,
slouken@4522
   841
                   SubstructureNotifyMask | SubstructureRedirectMask, &e);
slouken@4522
   842
    } else {
slouken@4522
   843
        int count = 0;
slouken@4522
   844
        Atom atoms[3];
slouken@4522
   845
slouken@4522
   846
        if (window->flags & SDL_WINDOW_FULLSCREEN) {
slouken@4522
   847
            atoms[count++] = _NET_WM_STATE_FULLSCREEN;
slouken@4522
   848
        }
slouken@4522
   849
        if (maximized) {
slouken@4522
   850
            atoms[count++] = _NET_WM_STATE_MAXIMIZED_VERT;
slouken@4522
   851
            atoms[count++] = _NET_WM_STATE_MAXIMIZED_HORZ;
slouken@4522
   852
        }
slouken@4522
   853
        if (count > 0) {
slouken@4522
   854
            XChangeProperty(display, data->xwindow, _NET_WM_STATE, XA_ATOM, 32,
slouken@4522
   855
                            PropModeReplace, (unsigned char *)atoms, count);
slouken@4522
   856
        } else {
slouken@4522
   857
            XDeleteProperty(display, data->xwindow, _NET_WM_STATE);
slouken@4522
   858
        }
slouken@4522
   859
    }
slouken@5031
   860
    XFlush(display);
slouken@3077
   861
}
slouken@3077
   862
slouken@1951
   863
void
slouken@1951
   864
X11_MaximizeWindow(_THIS, SDL_Window * window)
slouken@1951
   865
{
slouken@5302
   866
    SetWindowMaximized(_this, window, SDL_TRUE);
slouken@1951
   867
}
slouken@1951
   868
slouken@1951
   869
void
slouken@1951
   870
X11_MinimizeWindow(_THIS, SDL_Window * window)
slouken@1951
   871
{
slouken@4518
   872
    SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
slouken@4518
   873
    SDL_DisplayData *displaydata =
slouken@5246
   874
        (SDL_DisplayData *) SDL_GetDisplayForWindow(window)->driverdata;
slouken@4518
   875
    Display *display = data->videodata->display;
slouken@4518
   876
 
slouken@4518
   877
    XIconifyWindow(display, data->xwindow, displaydata->screen);
slouken@5031
   878
    XFlush(display);
slouken@1951
   879
}
slouken@1951
   880
slouken@1951
   881
void
slouken@1951
   882
X11_RestoreWindow(_THIS, SDL_Window * window)
slouken@1951
   883
{
slouken@5302
   884
    SetWindowMaximized(_this, window, SDL_FALSE);
slouken@1951
   885
    X11_ShowWindow(_this, window);
slouken@1951
   886
}
slouken@1951
   887
icculus@6466
   888
static Bool
icculus@6466
   889
isActionAllowed(SDL_WindowData *data, Atom action)
icculus@6466
   890
{
icculus@6466
   891
    Atom _NET_WM_ALLOWED_ACTIONS = data->videodata->_NET_WM_ALLOWED_ACTIONS;
icculus@6466
   892
    Atom type;
icculus@6466
   893
    Display *display = data->videodata->display;
icculus@6466
   894
    int form;
icculus@6466
   895
    unsigned long remain;
icculus@6466
   896
    unsigned long len, i;
icculus@6466
   897
    Atom *list;
icculus@6466
   898
    Bool ret = False;
icculus@6466
   899
    if (XGetWindowProperty(display, data->xwindow, _NET_WM_ALLOWED_ACTIONS, 0, 1024, False, XA_ATOM, &type, &form, &len, &remain, (unsigned char **)&list) == Success)
icculus@6466
   900
    {
icculus@6466
   901
        for (i=0; i<len; ++i)
icculus@6466
   902
        {
icculus@6466
   903
            if (list[i] == action) {
icculus@6466
   904
                ret = True;
icculus@6466
   905
                break;
icculus@6466
   906
            }
icculus@6466
   907
        }
icculus@6466
   908
        XFree(list);
icculus@6466
   909
    }
icculus@6466
   910
    return ret;
icculus@6466
   911
}
icculus@6466
   912
icculus@6467
   913
/* This asks the Window Manager to handle fullscreen for us. Most don't do it right, though. */
icculus@6467
   914
static void
icculus@6467
   915
X11_SetWindowFullscreenViaWM(_THIS, SDL_Window * window, SDL_VideoDisplay * _display, SDL_bool fullscreen)
slouken@5302
   916
{
slouken@5302
   917
    SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
slouken@5305
   918
    SDL_DisplayData *displaydata = (SDL_DisplayData *) _display->driverdata;
slouken@5302
   919
    Display *display = data->videodata->display;
slouken@5302
   920
    Atom _NET_WM_STATE = data->videodata->_NET_WM_STATE;
slouken@5302
   921
    Atom _NET_WM_STATE_MAXIMIZED_VERT = data->videodata->_NET_WM_STATE_MAXIMIZED_VERT;
slouken@5302
   922
    Atom _NET_WM_STATE_MAXIMIZED_HORZ = data->videodata->_NET_WM_STATE_MAXIMIZED_HORZ;
slouken@5302
   923
    Atom _NET_WM_STATE_FULLSCREEN = data->videodata->_NET_WM_STATE_FULLSCREEN;
slouken@5302
   924
slouken@5302
   925
    if (X11_IsWindowMapped(_this, window)) {
slouken@5302
   926
        XEvent e;
slouken@5302
   927
icculus@6466
   928
        if (isActionAllowed(data, data->videodata->_NET_WM_ACTION_FULLSCREEN) == False)
icculus@6466
   929
        {
icculus@6466
   930
            /* We aren't allowed to go into fullscreen mode... */
icculus@6466
   931
            if ((window->flags & SDL_WINDOW_RESIZABLE) == 0) {
icculus@6466
   932
                /* ...and we aren't resizable. Compiz refuses fullscreen toggle in this case. */
icculus@6466
   933
                XSizeHints *sizehints = XAllocSizeHints();
icculus@6466
   934
                long flags = 0;
icculus@6466
   935
                XGetWMNormalHints(display, data->xwindow, sizehints, &flags);
icculus@6466
   936
                /* set the resize flags on */
icculus@6466
   937
                sizehints->flags |= PMinSize | PMaxSize;
icculus@6466
   938
                if (fullscreen) {
icculus@6466
   939
                    /* we are going fullscreen so turn the flags off */
icculus@6466
   940
                    sizehints->flags ^= (PMinSize | PMaxSize);
icculus@6466
   941
                } else {
icculus@6466
   942
                    /* Reset the min/max width height to make the window non-resizable again */
icculus@6466
   943
                    sizehints->min_width = sizehints->max_width = window->w;
icculus@6466
   944
                    sizehints->min_height = sizehints->max_height = window->h;
icculus@6466
   945
                }
icculus@6466
   946
                XSetWMNormalHints(display, data->xwindow, sizehints);
icculus@6466
   947
                XFree(sizehints);
icculus@6466
   948
            }
icculus@6466
   949
        }
icculus@6466
   950
        
slouken@5302
   951
        SDL_zero(e);
slouken@5302
   952
        e.xany.type = ClientMessage;
slouken@5302
   953
        e.xclient.message_type = _NET_WM_STATE;
slouken@5302
   954
        e.xclient.format = 32;
slouken@5302
   955
        e.xclient.window = data->xwindow;
slouken@5302
   956
        e.xclient.data.l[0] =
slouken@5302
   957
            fullscreen ? _NET_WM_STATE_ADD : _NET_WM_STATE_REMOVE;
slouken@5302
   958
        e.xclient.data.l[1] = _NET_WM_STATE_FULLSCREEN;
slouken@5302
   959
        e.xclient.data.l[3] = 0l;
slouken@5302
   960
slouken@5302
   961
        XSendEvent(display, RootWindow(display, displaydata->screen), 0,
slouken@5302
   962
                   SubstructureNotifyMask | SubstructureRedirectMask, &e);
slouken@5302
   963
    } else {
slouken@5302
   964
        int count = 0;
slouken@5302
   965
        Atom atoms[3];
slouken@5302
   966
slouken@5302
   967
        if (fullscreen) {
slouken@5302
   968
            atoms[count++] = _NET_WM_STATE_FULLSCREEN;
slouken@5302
   969
        }
slouken@5302
   970
        if (window->flags & SDL_WINDOW_MAXIMIZED) {
slouken@5302
   971
            atoms[count++] = _NET_WM_STATE_MAXIMIZED_VERT;
slouken@5302
   972
            atoms[count++] = _NET_WM_STATE_MAXIMIZED_HORZ;
slouken@5302
   973
        }
slouken@5302
   974
        if (count > 0) {
slouken@5302
   975
            XChangeProperty(display, data->xwindow, _NET_WM_STATE, XA_ATOM, 32,
slouken@5302
   976
                            PropModeReplace, (unsigned char *)atoms, count);
slouken@5302
   977
        } else {
slouken@5302
   978
            XDeleteProperty(display, data->xwindow, _NET_WM_STATE);
slouken@5302
   979
        }
slouken@5302
   980
    }
slouken@5302
   981
    XFlush(display);
slouken@5302
   982
}
slouken@5302
   983
icculus@6467
   984
static __inline__ int
icculus@6467
   985
maxint(const int a, const int b)
icculus@6467
   986
{
icculus@6467
   987
    return (a > b ? a : b);
icculus@6467
   988
}
icculus@6467
   989
icculus@6467
   990
icculus@6467
   991
/* This handles fullscreen itself, outside the Window Manager. */
icculus@6467
   992
static void
icculus@6467
   993
X11_BeginWindowFullscreenLegacy(_THIS, SDL_Window * window, SDL_VideoDisplay * _display)
icculus@6467
   994
{
icculus@6467
   995
    SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
icculus@6467
   996
    SDL_DisplayData *displaydata = (SDL_DisplayData *) _display->driverdata;
icculus@6467
   997
    Visual *visual = data->visual;
icculus@6467
   998
    Display *display = data->videodata->display;
icculus@6467
   999
    const int screen = displaydata->screen;
icculus@6467
  1000
    Window root = RootWindow(display, screen);
icculus@6467
  1001
    const int def_vis = (visual == DefaultVisual(display, screen));
icculus@6467
  1002
    unsigned long xattrmask = 0;
icculus@6467
  1003
    XSetWindowAttributes xattr;
icculus@6467
  1004
    XEvent ev;
slouken@6475
  1005
    SDL_Rect rect;
icculus@6467
  1006
icculus@6467
  1007
    if ( data->fswindow ) {
icculus@6467
  1008
        return;  /* already fullscreen, I hope. */
icculus@6467
  1009
    }
icculus@6467
  1010
slouken@6475
  1011
    X11_GetDisplayBounds(_this, _display, &rect);
slouken@6475
  1012
icculus@6467
  1013
    SDL_zero(xattr);
icculus@6467
  1014
    xattr.override_redirect = True;
icculus@6467
  1015
    xattrmask |= CWOverrideRedirect;
icculus@6467
  1016
    xattr.background_pixel = def_vis ? BlackPixel(display, screen) : 0;
icculus@6467
  1017
    xattrmask |= CWBackPixel;
icculus@6467
  1018
    xattr.border_pixel = 0;
icculus@6467
  1019
    xattrmask |= CWBorderPixel;
icculus@6467
  1020
    xattr.colormap = data->colormap;
icculus@6467
  1021
    xattrmask |= CWColormap;
icculus@6467
  1022
slouken@6475
  1023
    data->fswindow = XCreateWindow(display, root,
slouken@6475
  1024
                                   rect.x, rect.y, rect.w, rect.h, 0,
icculus@6467
  1025
                                   displaydata->depth, InputOutput,
icculus@6467
  1026
                                   visual, xattrmask, &xattr);
icculus@6467
  1027
icculus@6467
  1028
    XSelectInput(display, data->fswindow, StructureNotifyMask);
icculus@6467
  1029
    XSetWindowBackground(display, data->fswindow, 0);
icculus@6467
  1030
    XClearWindow(display, data->fswindow);
slouken@6480
  1031
    XMapRaised(display, data->fswindow);
icculus@6467
  1032
slouken@6480
  1033
    /* Make sure the fswindow is in view by warping mouse to the corner */
slouken@6480
  1034
    XWarpPointer(display, None, root, 0, 0, 0, 0, rect.x, rect.y);
icculus@6467
  1035
icculus@6467
  1036
    /* Wait to be mapped, filter Unmap event out if it arrives. */
icculus@6467
  1037
    XIfEvent(display, &ev, &isMapNotify, (XPointer)&data->fswindow);
icculus@6467
  1038
    XCheckIfEvent(display, &ev, &isUnmapNotify, (XPointer)&data->fswindow);
icculus@6467
  1039
icculus@6467
  1040
#if SDL_VIDEO_DRIVER_X11_XVIDMODE
icculus@6467
  1041
    if ( displaydata->use_vidmode ) {
icculus@6467
  1042
        XF86VidModeLockModeSwitch(display, screen, True);
icculus@6467
  1043
    }
icculus@6467
  1044
#endif
icculus@6467
  1045
    XInstallColormap(display, data->colormap);
icculus@6467
  1046
icculus@6467
  1047
    SetWindowBordered(display, displaydata->screen, data->xwindow, SDL_FALSE);
icculus@6467
  1048
icculus@6467
  1049
    /* Center actual window within our cover-the-screen window. */
slouken@6475
  1050
    rect.x += (rect.w - window->w) / 2;
slouken@6475
  1051
    rect.y += (rect.h - window->h) / 2;
slouken@6475
  1052
    XReparentWindow(display, data->xwindow, data->fswindow, rect.x, rect.y);
icculus@6467
  1053
icculus@6467
  1054
    /* Center mouse in the window. */
slouken@6475
  1055
    rect.x += (window->w / 2);
slouken@6475
  1056
    rect.y += (window->h / 2);
slouken@6475
  1057
    XWarpPointer(display, None, root, 0, 0, 0, 0, rect.x, rect.y);
icculus@6467
  1058
icculus@6467
  1059
    /* Wait to be mapped, filter Unmap event out if it arrives. */
icculus@6467
  1060
    XIfEvent(display, &ev, &isMapNotify, (XPointer)&data->xwindow);
slouken@6480
  1061
    XCheckIfEvent(display, &ev, &isUnmapNotify, (XPointer)&data->xwindow);
icculus@6467
  1062
slouken@6480
  1063
    /* Set the input focus because we're about to grab input */
icculus@6467
  1064
    window->flags |= SDL_WINDOW_INPUT_FOCUS;
icculus@6467
  1065
    SDL_SetKeyboardFocus(data->window);
icculus@6467
  1066
icculus@6467
  1067
    X11_SetWindowGrab(_this, window);
icculus@6467
  1068
}
icculus@6467
  1069
icculus@6467
  1070
static void
icculus@6467
  1071
X11_EndWindowFullscreenLegacy(_THIS, SDL_Window * window, SDL_VideoDisplay * _display)
icculus@6467
  1072
{
icculus@6467
  1073
    SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
icculus@6467
  1074
    SDL_DisplayData *displaydata = (SDL_DisplayData *) _display->driverdata;
icculus@6467
  1075
    Display *display = data->videodata->display;
icculus@6467
  1076
    const int screen = displaydata->screen;
icculus@6467
  1077
    Window root = RootWindow(display, screen);
slouken@6480
  1078
    Window fswindow = data->fswindow;
icculus@6467
  1079
    XEvent ev;
icculus@6467
  1080
slouken@6480
  1081
    if (!data->fswindow) {
icculus@6467
  1082
        return;  /* already not fullscreen, I hope. */
slouken@6480
  1083
    }
icculus@6467
  1084
slouken@6480
  1085
    data->fswindow = None;
icculus@6467
  1086
icculus@6467
  1087
#if SDL_VIDEO_DRIVER_X11_VIDMODE
icculus@6467
  1088
    if ( displaydata->use_vidmode ) {
icculus@6467
  1089
        XF86VidModeLockModeSwitch(display, screen, False);
icculus@6467
  1090
    }
icculus@6467
  1091
#endif
icculus@6467
  1092
slouken@6480
  1093
    X11_SetWindowGrab(_this, window);
icculus@6467
  1094
slouken@6480
  1095
    XReparentWindow(display, data->xwindow, root, window->x, window->y);
slouken@6480
  1096
slouken@6480
  1097
    /* flush these events so they don't confuse normal event handling */
icculus@6467
  1098
    XIfEvent(display, &ev, &isUnmapNotify, (XPointer)&data->xwindow);
icculus@6467
  1099
    XIfEvent(display, &ev, &isMapNotify, (XPointer)&data->xwindow);
icculus@6467
  1100
icculus@6467
  1101
    SetWindowBordered(display, screen, data->xwindow,
icculus@6467
  1102
                      (window->flags & SDL_WINDOW_BORDERLESS) == 0);
icculus@6467
  1103
slouken@6480
  1104
    XUnmapWindow(display, fswindow);
slouken@6480
  1105
slouken@6480
  1106
    /* Wait to be unmapped. */
slouken@6480
  1107
    XIfEvent(display, &ev, &isUnmapNotify, (XPointer)&fswindow);
slouken@6480
  1108
    XDestroyWindow(display, fswindow);
icculus@6467
  1109
}
icculus@6467
  1110
icculus@6467
  1111
icculus@6467
  1112
void
icculus@6467
  1113
X11_SetWindowFullscreen(_THIS, SDL_Window * window, SDL_VideoDisplay * _display, SDL_bool fullscreen)
icculus@6467
  1114
{
icculus@6467
  1115
    /* !!! FIXME: SDL_Hint? */
icculus@6467
  1116
    SDL_bool legacy = SDL_FALSE;
icculus@6467
  1117
    const char *env = SDL_getenv("SDL_VIDEO_X11_LEGACY_FULLSCREEN");
icculus@6467
  1118
    if (env) {
icculus@6467
  1119
        legacy = SDL_atoi(env);
icculus@6467
  1120
    } else {
slouken@6473
  1121
        SDL_VideoData *videodata = (SDL_VideoData *) _this->driverdata;
icculus@6467
  1122
        SDL_DisplayData *displaydata = (SDL_DisplayData *) _display->driverdata;
icculus@6467
  1123
        if ( displaydata->use_vidmode ) {
icculus@6467
  1124
            legacy = SDL_TRUE;  /* the new stuff only works with XRandR. */
slouken@6473
  1125
        } else if ( !videodata->net_wm ) {
slouken@6473
  1126
            legacy = SDL_TRUE;  /* The window manager doesn't support it */
icculus@6467
  1127
        } else {
icculus@6467
  1128
            /* !!! FIXME: look at the window manager name, and blacklist certain ones? */
icculus@6467
  1129
            /* http://stackoverflow.com/questions/758648/find-the-name-of-the-x-window-manager */
icculus@6467
  1130
            legacy = SDL_FALSE;  /* try the new way. */
icculus@6467
  1131
        }
icculus@6467
  1132
    }
icculus@6467
  1133
icculus@6467
  1134
    if (legacy) {
icculus@6467
  1135
        if (fullscreen) {
icculus@6467
  1136
            X11_BeginWindowFullscreenLegacy(_this, window, _display);
icculus@6467
  1137
        } else {
icculus@6467
  1138
            X11_EndWindowFullscreenLegacy(_this, window, _display);
icculus@6467
  1139
        }
icculus@6467
  1140
    } else {
icculus@6467
  1141
        X11_SetWindowFullscreenViaWM(_this, window, _display, fullscreen);
icculus@6467
  1142
    }
icculus@6467
  1143
}
icculus@6467
  1144
icculus@6467
  1145
slouken@5466
  1146
int
slouken@5466
  1147
X11_SetWindowGammaRamp(_THIS, SDL_Window * window, const Uint16 * ramp)
slouken@5466
  1148
{
slouken@5466
  1149
    SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
slouken@5466
  1150
    Display *display = data->videodata->display;
slouken@5466
  1151
    Visual *visual = data->visual;
slouken@5466
  1152
    Colormap colormap = data->colormap;
slouken@5466
  1153
    XColor *colorcells;
slouken@5466
  1154
    int ncolors;
slouken@5466
  1155
    int rmask, gmask, bmask;
slouken@5466
  1156
    int rshift, gshift, bshift;
icculus@5981
  1157
    int i;
slouken@5466
  1158
slouken@5466
  1159
    if (visual->class != DirectColor) {
slouken@5466
  1160
        SDL_SetError("Window doesn't have DirectColor visual");
slouken@5466
  1161
        return -1;
slouken@5466
  1162
    }
slouken@5466
  1163
slouken@5466
  1164
    ncolors = visual->map_entries;
slouken@5466
  1165
    colorcells = SDL_malloc(ncolors * sizeof(XColor));
slouken@5466
  1166
    if (!colorcells) {
slouken@5466
  1167
        SDL_OutOfMemory();
slouken@5466
  1168
        return -1;
slouken@5466
  1169
    }
slouken@5466
  1170
slouken@5466
  1171
    rshift = 0;
slouken@5466
  1172
    rmask = visual->red_mask;
slouken@5466
  1173
    while (0 == (rmask & 1)) {
slouken@5466
  1174
        rshift++;
slouken@5466
  1175
        rmask >>= 1;
slouken@5466
  1176
    }
slouken@5466
  1177
slouken@5466
  1178
    gshift = 0;
slouken@5466
  1179
    gmask = visual->green_mask;
slouken@5466
  1180
    while (0 == (gmask & 1)) {
slouken@5466
  1181
        gshift++;
slouken@5466
  1182
        gmask >>= 1;
slouken@5466
  1183
    }
slouken@5466
  1184
slouken@5466
  1185
    bshift = 0;
slouken@5466
  1186
    bmask = visual->blue_mask;
slouken@5466
  1187
    while (0 == (bmask & 1)) {
slouken@5466
  1188
        bshift++;
slouken@5466
  1189
        bmask >>= 1;
slouken@5466
  1190
    }
slouken@5466
  1191
slouken@5466
  1192
    /* build the color table pixel values */
slouken@5466
  1193
    for (i = 0; i < ncolors; i++) {
slouken@5466
  1194
        Uint32 rbits = (rmask * i) / (ncolors - 1);
slouken@5466
  1195
        Uint32 gbits = (gmask * i) / (ncolors - 1);
slouken@5466
  1196
        Uint32 bbits = (bmask * i) / (ncolors - 1);
slouken@5466
  1197
        Uint32 pix = (rbits << rshift) | (gbits << gshift) | (bbits << bshift);
slouken@5466
  1198
slouken@5466
  1199
        colorcells[i].pixel = pix;
slouken@5466
  1200
slouken@5466
  1201
        colorcells[i].red = ramp[(0 * 256) + i];
slouken@5466
  1202
        colorcells[i].green = ramp[(1 * 256) + i];
slouken@5466
  1203
        colorcells[i].blue = ramp[(2 * 256) + i];
slouken@5466
  1204
slouken@5466
  1205
        colorcells[i].flags = DoRed | DoGreen | DoBlue;
slouken@5466
  1206
    }
slouken@5466
  1207
slouken@5466
  1208
    XStoreColors(display, colormap, colorcells, ncolors);
slouken@5466
  1209
    XFlush(display);
slouken@5466
  1210
    SDL_free(colorcells);
slouken@5466
  1211
slouken@5466
  1212
    return 0;
slouken@5466
  1213
}
slouken@5466
  1214
slouken@5302
  1215
void
slouken@1951
  1216
X11_SetWindowGrab(_THIS, SDL_Window * window)
slouken@1951
  1217
{
slouken@2875
  1218
    SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
slouken@2875
  1219
    Display *display = data->videodata->display;
slouken@4518
  1220
    SDL_bool oldstyle_fullscreen;
slouken@2875
  1221
slouken@4518
  1222
    /* ICCCM2.0-compliant window managers can handle fullscreen windows */
icculus@6467
  1223
    oldstyle_fullscreen = X11_IsWindowLegacyFullscreen(_this, window);
slouken@4518
  1224
slouken@4518
  1225
    if (((window->flags & SDL_WINDOW_INPUT_GRABBED) || oldstyle_fullscreen)
slouken@2876
  1226
        && (window->flags & SDL_WINDOW_INPUT_FOCUS)) {
slouken@6480
  1227
        XEvent ev;
slouken@6480
  1228
slouken@2875
  1229
        /* Try to grab the mouse */
slouken@2876
  1230
        for (;;) {
slouken@2876
  1231
            int result =
slouken@3685
  1232
                XGrabPointer(display, data->xwindow, True, 0, GrabModeAsync,
slouken@3685
  1233
                             GrabModeAsync, data->xwindow, None, CurrentTime);
slouken@2876
  1234
            if (result == GrabSuccess) {
slouken@2875
  1235
                break;
slouken@2875
  1236
            }
slouken@2875
  1237
            SDL_Delay(100);
slouken@2875
  1238
        }
slouken@2875
  1239
slouken@2875
  1240
        /* Raise the window if we grab the mouse */
slouken@3685
  1241
        XRaiseWindow(display, data->xwindow);
slouken@2875
  1242
slouken@2875
  1243
        /* Now grab the keyboard */
slouken@3685
  1244
        XGrabKeyboard(display, data->xwindow, True, GrabModeAsync,
slouken@2876
  1245
                      GrabModeAsync, CurrentTime);
slouken@6480
  1246
slouken@6480
  1247
        /* flush these events so they don't confuse normal event handling */
slouken@6480
  1248
        XSync(display, False);
slouken@6480
  1249
        XIfEvent(display, &ev, &isFocusIn, (XPointer)&data->xwindow);
slouken@6480
  1250
        XIfEvent(display, &ev, &isFocusOut, (XPointer)&data->xwindow);
slouken@2875
  1251
    } else {
slouken@2875
  1252
        XUngrabPointer(display, CurrentTime);
slouken@2875
  1253
        XUngrabKeyboard(display, CurrentTime);
slouken@2875
  1254
    }
slouken@1951
  1255
}
slouken@1951
  1256
slouken@1951
  1257
void
slouken@1951
  1258
X11_DestroyWindow(_THIS, SDL_Window * window)
slouken@1951
  1259
{
slouken@1951
  1260
    SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
bob@2323
  1261
    window->driverdata = NULL;
slouken@1951
  1262
slouken@1951
  1263
    if (data) {
bob@2323
  1264
        SDL_VideoData *videodata = (SDL_VideoData *) data->videodata;
bob@2323
  1265
        Display *display = videodata->display;
bob@2323
  1266
        int numwindows = videodata->numwindows;
bob@2323
  1267
        SDL_WindowData **windowlist = videodata->windowlist;
bob@2323
  1268
        int i;
bob@2323
  1269
bob@2323
  1270
        if (windowlist) {
bob@2324
  1271
            for (i = 0; i < numwindows; ++i) {
slouken@3685
  1272
                if (windowlist[i] && (windowlist[i]->window == window)) {
bob@2324
  1273
                    windowlist[i] = windowlist[numwindows - 1];
bob@2324
  1274
                    windowlist[numwindows - 1] = NULL;
bob@2324
  1275
                    videodata->numwindows--;
bob@2324
  1276
                    break;
bob@2324
  1277
                }
bob@2323
  1278
            }
bob@2323
  1279
        }
slouken@1951
  1280
#ifdef X_HAVE_UTF8_STRING
slouken@1951
  1281
        if (data->ic) {
slouken@1951
  1282
            XDestroyIC(data->ic);
slouken@1951
  1283
        }
slouken@1951
  1284
#endif
slouken@1951
  1285
        if (data->created) {
slouken@3685
  1286
            XDestroyWindow(display, data->xwindow);
slouken@5031
  1287
            XFlush(display);
slouken@1951
  1288
        }
slouken@1951
  1289
        SDL_free(data);
slouken@1951
  1290
    }
slouken@1951
  1291
}
slouken@1951
  1292
slouken@1951
  1293
SDL_bool
slouken@1951
  1294
X11_GetWindowWMInfo(_THIS, SDL_Window * window, SDL_SysWMinfo * info)
slouken@1951
  1295
{
slouken@4510
  1296
    SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
slouken@4510
  1297
    Display *display = data->videodata->display;
slouken@4510
  1298
slouken@4510
  1299
    if (info->version.major == SDL_MAJOR_VERSION &&
slouken@4510
  1300
        info->version.minor == SDL_MINOR_VERSION) {
slouken@4510
  1301
        info->subsystem = SDL_SYSWM_X11;
slouken@5056
  1302
        info->info.x11.display = display;
slouken@5056
  1303
        info->info.x11.window = data->xwindow;
slouken@1951
  1304
        return SDL_TRUE;
slouken@1951
  1305
    } else {
slouken@1951
  1306
        SDL_SetError("Application not compiled with SDL %d.%d\n",
slouken@1951
  1307
                     SDL_MAJOR_VERSION, SDL_MINOR_VERSION);
slouken@1951
  1308
        return SDL_FALSE;
slouken@1951
  1309
    }
slouken@1951
  1310
}
slouken@1951
  1311
slouken@5481
  1312
#endif /* SDL_VIDEO_DRIVER_X11 */
slouken@5481
  1313
slouken@1951
  1314
/* vi: set ts=4 sw=4 expandtab: */