src/video/x11/SDL_x11window.c
author Sam Lantinga <slouken@libsdl.org>
Fri, 28 Sep 2012 01:36:26 -0700
changeset 6486 e3264eea9607
parent 6485 3f600ccf393c
child 6487 b18a011ecc45
permissions -rw-r--r--
Don't set the hidden netwm state, that would mean we don't want to be shown, which is bad.
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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 SDL_bool
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X11_IsActionAllowed(SDL_Window *window, Atom action)
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{
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    SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
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    Atom _NET_WM_ALLOWED_ACTIONS = data->videodata->_NET_WM_ALLOWED_ACTIONS;
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    Atom type;
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    Display *display = data->videodata->display;
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    int form;
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    unsigned long remain;
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    unsigned long len, i;
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    Atom *list;
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    SDL_bool ret = SDL_FALSE;
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    if (XGetWindowProperty(display, data->xwindow, _NET_WM_ALLOWED_ACTIONS, 0, 1024, False, XA_ATOM, &type, &form, &len, &remain, (unsigned char **)&list) == Success)
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    {
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        for (i=0; i<len; ++i)
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        {
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            if (list[i] == action) {
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                ret = SDL_TRUE;
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                break;
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            }
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        }
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        XFree(list);
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    }
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    return ret;
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}
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int
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X11_GetWMStateProperty(_THIS, Uint32 flags, Atom atoms[5])
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{
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    SDL_VideoData *videodata = (SDL_VideoData *) _this->driverdata;
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    /*Atom _NET_WM_STATE_HIDDEN = videodata->_NET_WM_STATE_HIDDEN;*/
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    Atom _NET_WM_STATE_FOCUSED = videodata->_NET_WM_STATE_FOCUSED;
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    Atom _NET_WM_STATE_MAXIMIZED_VERT = videodata->_NET_WM_STATE_MAXIMIZED_VERT;
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    Atom _NET_WM_STATE_MAXIMIZED_HORZ = videodata->_NET_WM_STATE_MAXIMIZED_HORZ;
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    Atom _NET_WM_STATE_FULLSCREEN = videodata->_NET_WM_STATE_FULLSCREEN;
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    int count = 0;
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    /* The window manager sets this property, we shouldn't set it.
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       If we did, this would indicate to the window manager that we don't
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       actually want to be mapped during XMapRaised(), which would be bad.
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     *
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    if (flags & SDL_WINDOW_HIDDEN) {
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        atoms[count++] = _NET_WM_STATE_HIDDEN;
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    }
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    */
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    if (flags & SDL_WINDOW_INPUT_FOCUS) {
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        atoms[count++] = _NET_WM_STATE_FOCUSED;
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    }
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    if (flags & SDL_WINDOW_MAXIMIZED) {
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        atoms[count++] = _NET_WM_STATE_MAXIMIZED_VERT;
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        atoms[count++] = _NET_WM_STATE_MAXIMIZED_HORZ;
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    }
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    if (flags & SDL_WINDOW_FULLSCREEN) {
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        atoms[count++] = _NET_WM_STATE_FULLSCREEN;
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    }
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    return count;
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}
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Uint32
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X11_GetNetWMState(_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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    Atom _NET_WM_STATE = videodata->_NET_WM_STATE;
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    Atom _NET_WM_STATE_HIDDEN = videodata->_NET_WM_STATE_HIDDEN;
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    Atom _NET_WM_STATE_FOCUSED = videodata->_NET_WM_STATE_FOCUSED;
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    Atom _NET_WM_STATE_MAXIMIZED_VERT = videodata->_NET_WM_STATE_MAXIMIZED_VERT;
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    Atom _NET_WM_STATE_MAXIMIZED_HORZ = videodata->_NET_WM_STATE_MAXIMIZED_HORZ;
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    Atom _NET_WM_STATE_FULLSCREEN = 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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    Uint32 flags = 0;
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    if (XGetWindowProperty(videodata->display, data->xwindow, _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_HIDDEN) {
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                flags |= SDL_WINDOW_HIDDEN;
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            } else if (atoms[i] == _NET_WM_STATE_FOCUSED) {
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                flags |= SDL_WINDOW_INPUT_FOCUS;
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            } else 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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            flags |= SDL_WINDOW_MAXIMIZED;
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        }  else if (fullscreen == 1) {
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            flags |= SDL_WINDOW_FULLSCREEN;
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        }
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        XFree(propertyValue);
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    }
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    /* FIXME, check the size hints for resizable */
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    /*flags |= SDL_WINDOW_RESIZABLE;*/
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    return flags;
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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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    window->driverdata = data;
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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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    window->flags |= X11_GetNetWMState(_this, window);
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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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        }
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        if (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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    /* All done! */
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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[5];
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    Uint32 fevent = 0;
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slouken@6369
   349
#if SDL_VIDEO_OPENGL_GLX || SDL_VIDEO_OPENGL_ES || SDL_VIDEO_OPENGL_ES2
slouken@1951
   350
    if (window->flags & SDL_WINDOW_OPENGL) {
slouken@1952
   351
        XVisualInfo *vinfo;
slouken@1952
   352
slouken@6370
   353
#if SDL_VIDEO_OPENGL_ES || SDL_VIDEO_OPENGL_ES2        
slouken@6370
   354
        if (_this->gl_config.use_egl == 1) {
slouken@6369
   355
            vinfo = X11_GLES_GetVisual(_this, display, screen);
slouken@6369
   356
        } else
slouken@6369
   357
#endif
slouken@6369
   358
        {
slouken@6370
   359
#if SDL_VIDEO_OPENGL_GLX
slouken@6369
   360
            vinfo = X11_GL_GetVisual(_this, display, screen);
slouken@6370
   361
#endif
slouken@1952
   362
        }
slouken@3161
   363
        if (!vinfo) {
slouken@3161
   364
            return -1;
slouken@3161
   365
        }
slouken@3161
   366
        visual = vinfo->visual;
slouken@3161
   367
        depth = vinfo->depth;
slouken@3161
   368
        XFree(vinfo);
slouken@3161
   369
    } else
slouken@3161
   370
#endif
slouken@1952
   371
    {
slouken@1951
   372
        visual = displaydata->visual;
slouken@1951
   373
        depth = displaydata->depth;
slouken@1951
   374
    }
slouken@1951
   375
slouken@5386
   376
    xattr.override_redirect = False;
slouken@1951
   377
    xattr.background_pixel = 0;
slouken@1951
   378
    xattr.border_pixel = 0;
slouken@5466
   379
slouken@5466
   380
    if (visual->class == DirectColor) {
slouken@5466
   381
        XColor *colorcells;
slouken@5466
   382
        int i;
slouken@5466
   383
        int ncolors;
slouken@5466
   384
        int rmax, gmax, bmax;
slouken@5466
   385
        int rmask, gmask, bmask;
slouken@5466
   386
        int rshift, gshift, bshift;
slouken@5466
   387
slouken@5466
   388
        xattr.colormap =
slouken@5466
   389
            XCreateColormap(display, RootWindow(display, screen),
slouken@5466
   390
                            visual, AllocAll);
slouken@5466
   391
slouken@5466
   392
        /* If we can't create a colormap, then we must die */
slouken@5466
   393
        if (!xattr.colormap) {
slouken@5466
   394
            SDL_SetError("Could not create writable colormap");
slouken@5466
   395
            return -1;
slouken@5466
   396
        }
slouken@5466
   397
slouken@5466
   398
        /* OK, we got a colormap, now fill it in as best as we can */
slouken@5466
   399
        colorcells = SDL_malloc(visual->map_entries * sizeof(XColor));
slouken@5466
   400
        if (!colorcells) {
slouken@5466
   401
            SDL_OutOfMemory();
slouken@5466
   402
            return -1;
slouken@5466
   403
        }
slouken@5466
   404
        ncolors = visual->map_entries;
slouken@5466
   405
        rmax = 0xffff;
slouken@5466
   406
        gmax = 0xffff;
slouken@5466
   407
        bmax = 0xffff;
slouken@5466
   408
slouken@5466
   409
        rshift = 0;
slouken@5466
   410
        rmask = visual->red_mask;
slouken@5466
   411
        while (0 == (rmask & 1)) {
slouken@5466
   412
            rshift++;
slouken@5466
   413
            rmask >>= 1;
slouken@5466
   414
        }
slouken@5466
   415
slouken@5466
   416
        gshift = 0;
slouken@5466
   417
        gmask = visual->green_mask;
slouken@5466
   418
        while (0 == (gmask & 1)) {
slouken@5466
   419
            gshift++;
slouken@5466
   420
            gmask >>= 1;
slouken@5466
   421
        }
slouken@5466
   422
slouken@5466
   423
        bshift = 0;
slouken@5466
   424
        bmask = visual->blue_mask;
slouken@5466
   425
        while (0 == (bmask & 1)) {
slouken@5466
   426
            bshift++;
slouken@5466
   427
            bmask >>= 1;
slouken@5466
   428
        }
slouken@5466
   429
slouken@5466
   430
        /* build the color table pixel values */
slouken@5466
   431
        for (i = 0; i < ncolors; i++) {
slouken@5466
   432
            Uint32 red = (rmax * i) / (ncolors - 1);
slouken@5466
   433
            Uint32 green = (gmax * i) / (ncolors - 1);
slouken@5466
   434
            Uint32 blue = (bmax * i) / (ncolors - 1);
slouken@5466
   435
slouken@5466
   436
            Uint32 rbits = (rmask * i) / (ncolors - 1);
slouken@5466
   437
            Uint32 gbits = (gmask * i) / (ncolors - 1);
slouken@5466
   438
            Uint32 bbits = (bmask * i) / (ncolors - 1);
slouken@5466
   439
slouken@5466
   440
            Uint32 pix =
slouken@5466
   441
                (rbits << rshift) | (gbits << gshift) | (bbits << bshift);
slouken@5466
   442
slouken@5466
   443
            colorcells[i].pixel = pix;
slouken@5466
   444
slouken@5466
   445
            colorcells[i].red = red;
slouken@5466
   446
            colorcells[i].green = green;
slouken@5466
   447
            colorcells[i].blue = blue;
slouken@5466
   448
slouken@5466
   449
            colorcells[i].flags = DoRed | DoGreen | DoBlue;
slouken@5466
   450
        }
slouken@5466
   451
slouken@5466
   452
        XStoreColors(display, xattr.colormap, colorcells, ncolors);
slouken@5466
   453
slouken@5466
   454
        SDL_free(colorcells);
slouken@5466
   455
    } else {
slouken@5466
   456
        xattr.colormap =
slouken@5466
   457
            XCreateColormap(display, RootWindow(display, screen),
slouken@5466
   458
                            visual, AllocNone);
slouken@5466
   459
    }
slouken@1951
   460
slouken@5386
   461
    w = XCreateWindow(display, RootWindow(display, screen),
slouken@5386
   462
                      window->x, window->y, window->w, window->h,
slouken@5386
   463
                      0, depth, InputOutput, visual,
slouken@1951
   464
                      (CWOverrideRedirect | CWBackPixel | CWBorderPixel |
slouken@1951
   465
                       CWColormap), &xattr);
slouken@1952
   466
    if (!w) {
slouken@1952
   467
        SDL_SetError("Couldn't create window");
slouken@1952
   468
        return -1;
slouken@1952
   469
    }
slouken@6188
   470
#if SDL_VIDEO_OPENGL_ES || SDL_VIDEO_OPENGL_ES2
slouken@6373
   471
    if ((window->flags & SDL_WINDOW_OPENGL) && (_this->gl_config.use_egl == 1)) {
slouken@6373
   472
        if (!_this->gles_data) {
slouken@6373
   473
            XDestroyWindow(display, w);
slouken@6373
   474
            return -1;
slouken@6373
   475
        }
slouken@6373
   476
slouken@6188
   477
        /* Create the GLES window surface */
slouken@6188
   478
        _this->gles_data->egl_surface =
slouken@6188
   479
            _this->gles_data->eglCreateWindowSurface(_this->gles_data->
slouken@3161
   480
                                                 egl_display,
slouken@3161
   481
                                                 _this->gles_data->egl_config,
slouken@3161
   482
                                                 (NativeWindowType) w, NULL);
slouken@3161
   483
slouken@6188
   484
        if (_this->gles_data->egl_surface == EGL_NO_SURFACE) {
slouken@6188
   485
            SDL_SetError("Could not create GLES window surface");
slouken@6373
   486
            XDestroyWindow(display, w);
slouken@6188
   487
            return -1;
slouken@6188
   488
        }
slouken@3161
   489
    }
slouken@3161
   490
#endif
slouken@1951
   491
icculus@6422
   492
    SetWindowBordered(display, screen, w,
icculus@6422
   493
                      (window->flags & SDL_WINDOW_BORDERLESS) == 0);
slouken@1951
   494
urkle@6462
   495
    sizehints = XAllocSizeHints();
mail@6167
   496
    /* Setup the normal size hints */
urkle@6462
   497
    sizehints->flags = 0;
mail@6167
   498
    if (!(window->flags & SDL_WINDOW_RESIZABLE)) {
urkle@6462
   499
        sizehints->min_width = sizehints->max_width = window->w;
urkle@6462
   500
        sizehints->min_height = sizehints->max_height = window->h;
urkle@6462
   501
        sizehints->flags |= (PMaxSize | PMinSize);
slouken@1951
   502
    }
urkle@6462
   503
    sizehints->x = window->x;
urkle@6462
   504
    sizehints->y = window->y;
urkle@6462
   505
    sizehints->flags |= USPosition;
slouken@1951
   506
mail@6167
   507
    /* Setup the input hints so we get keyboard input */
urkle@6462
   508
    wmhints = XAllocWMHints();
urkle@6462
   509
    wmhints->input = True;
urkle@6462
   510
    wmhints->flags = InputHint;
mail@6167
   511
mail@6167
   512
    /* Setup the class hints so we can get an icon (AfterStep) */
urkle@6462
   513
    classhints = XAllocClassHint();
urkle@6462
   514
    classhints->res_name = data->classname;
urkle@6462
   515
    classhints->res_class = data->classname;
mail@6167
   516
mail@6167
   517
    /* Set the size, input and class hints, and define WM_CLIENT_MACHINE and WM_LOCALE_NAME */
urkle@6462
   518
    XSetWMProperties(display, w, NULL, NULL, NULL, 0, sizehints, wmhints, classhints);
mail@6167
   519
urkle@6462
   520
    XFree(sizehints);
urkle@6462
   521
    XFree(wmhints);
urkle@6462
   522
    XFree(classhints);
mail@6167
   523
    /* Set the PID related to the window for the given hostname, if possible */
mail@6167
   524
    if (data->pid > 0) {
mail@6167
   525
        _NET_WM_PID = XInternAtom(display, "_NET_WM_PID", False);
mail@6167
   526
        XChangeProperty(display, w, _NET_WM_PID, XA_CARDINAL, 32, PropModeReplace,
mail@6167
   527
                        (unsigned char *)&data->pid, 1);
slouken@1951
   528
    }
slouken@1951
   529
slouken@4522
   530
    /* Set the window manager state */
slouken@6485
   531
    wmstate_count = X11_GetWMStateProperty(_this, window->flags, wmstate_atoms);
slouken@4522
   532
    if (wmstate_count > 0) {
slouken@4522
   533
        XChangeProperty(display, w, data->_NET_WM_STATE, XA_ATOM, 32,
slouken@4522
   534
                        PropModeReplace,
slouken@4522
   535
                        (unsigned char *)wmstate_atoms, wmstate_count);
slouken@4522
   536
    } else {
slouken@4522
   537
        XDeleteProperty(display, w, data->_NET_WM_STATE);
slouken@4518
   538
    }
slouken@4518
   539
slouken@4521
   540
    /* Let the window manager know we're a "normal" window */
slouken@4521
   541
    _NET_WM_WINDOW_TYPE = XInternAtom(display, "_NET_WM_WINDOW_TYPE", False);
slouken@4521
   542
    _NET_WM_WINDOW_TYPE_NORMAL = XInternAtom(display, "_NET_WM_WINDOW_TYPE_NORMAL", False);
slouken@4521
   543
    XChangeProperty(display, w, _NET_WM_WINDOW_TYPE, XA_ATOM, 32,
slouken@4521
   544
                    PropModeReplace,
slouken@4521
   545
                    (unsigned char *)&_NET_WM_WINDOW_TYPE_NORMAL, 1);
slouken@4521
   546
slouken@1951
   547
    /* Allow the window to be deleted by the window manager */
slouken@4521
   548
    XSetWMProtocols(display, w, &data->WM_DELETE_WINDOW, 1);
slouken@1951
   549
slouken@1951
   550
    if (SetupWindowData(_this, window, w, SDL_TRUE) < 0) {
slouken@4521
   551
        XDestroyWindow(display, w);
slouken@1951
   552
        return -1;
slouken@1951
   553
    }
slouken@5386
   554
bob@2325
   555
#ifdef X_HAVE_UTF8_STRING
icculus@6045
   556
    if (SDL_X11_HAVE_UTF8) {
bob@2325
   557
        pXGetICValues(((SDL_WindowData *) window->driverdata)->ic,
bob@2325
   558
                      XNFilterEvents, &fevent, NULL);
kazeuser@2718
   559
    }
bob@2325
   560
#endif
bob@2325
   561
dimitris@6316
   562
    X11_Xinput2SelectTouch(_this, window);
dimitris@6316
   563
icculus@6045
   564
    XSelectInput(display, w,
icculus@6045
   565
                 (FocusChangeMask | EnterWindowMask | LeaveWindowMask |
icculus@6045
   566
                 ExposureMask | ButtonPressMask | ButtonReleaseMask |
icculus@6045
   567
                 PointerMotionMask | KeyPressMask | KeyReleaseMask |
icculus@6045
   568
                 PropertyChangeMask | StructureNotifyMask |
icculus@6045
   569
                 KeymapStateMask | fevent));
icculus@6045
   570
slouken@5031
   571
    XFlush(display);
slouken@5031
   572
slouken@1951
   573
    return 0;
slouken@1951
   574
}
slouken@1951
   575
slouken@1951
   576
int
bob@2324
   577
X11_CreateWindowFrom(_THIS, SDL_Window * window, const void *data)
slouken@1951
   578
{
slouken@1951
   579
    Window w = (Window) data;
slouken@1951
   580
slouken@4518
   581
    window->title = X11_GetWindowTitle(_this, w);
slouken@1951
   582
slouken@1951
   583
    if (SetupWindowData(_this, window, w, SDL_FALSE) < 0) {
slouken@1951
   584
        return -1;
slouken@1951
   585
    }
slouken@1951
   586
    return 0;
slouken@1951
   587
}
slouken@1951
   588
slouken@4518
   589
char *
slouken@4518
   590
X11_GetWindowTitle(_THIS, Window xwindow)
slouken@4518
   591
{
slouken@4518
   592
    SDL_VideoData *data = (SDL_VideoData *) _this->driverdata;
slouken@4518
   593
    Display *display = data->display;
slouken@4518
   594
    int status, real_format;
slouken@4518
   595
    Atom real_type;
slouken@4518
   596
    unsigned long items_read, items_left;
slouken@4518
   597
    unsigned char *propdata;
slouken@4518
   598
    char *title = NULL;
slouken@4518
   599
slouken@4518
   600
    status = XGetWindowProperty(display, xwindow, data->_NET_WM_NAME,
slouken@4518
   601
                0L, 8192L, False, data->UTF8_STRING, &real_type, &real_format,
slouken@4518
   602
                &items_read, &items_left, &propdata);
icculus@6023
   603
    if (status == Success && propdata) {
slouken@4518
   604
        title = SDL_strdup(SDL_static_cast(char*, propdata));
slouken@4518
   605
        XFree(propdata);
slouken@4518
   606
    } else {
slouken@4518
   607
        status = XGetWindowProperty(display, xwindow, XA_WM_NAME,
slouken@4518
   608
                    0L, 8192L, False, XA_STRING, &real_type, &real_format,
slouken@4518
   609
                    &items_read, &items_left, &propdata);
icculus@6023
   610
        if (status == Success && propdata) {
slouken@4518
   611
            title = SDL_iconv_string("UTF-8", "", SDL_static_cast(char*, propdata), items_read+1);
slouken@4518
   612
        } else {
slouken@4518
   613
            title = SDL_strdup("");
slouken@4518
   614
        }
slouken@4518
   615
    }
slouken@4518
   616
    return title;
slouken@4518
   617
}
slouken@4518
   618
slouken@1951
   619
void
slouken@1951
   620
X11_SetWindowTitle(_THIS, SDL_Window * window)
slouken@1951
   621
{
slouken@1951
   622
    SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
slouken@1951
   623
    Display *display = data->videodata->display;
slouken@1951
   624
    XTextProperty titleprop, iconprop;
slouken@1951
   625
    Status status;
slouken@1951
   626
    const char *title = window->title;
slouken@1951
   627
    const char *icon = NULL;
slouken@1951
   628
slouken@1951
   629
#ifdef X_HAVE_UTF8_STRING
slouken@4518
   630
    Atom _NET_WM_NAME = data->videodata->_NET_WM_NAME;
slouken@4518
   631
    Atom _NET_WM_ICON_NAME = data->videodata->_NET_WM_ICON_NAME;
slouken@1951
   632
#endif
slouken@1951
   633
slouken@1951
   634
    if (title != NULL) {
slouken@2143
   635
        char *title_locale = SDL_iconv_utf8_locale(title);
slouken@2143
   636
        if (!title_locale) {
slouken@1951
   637
            SDL_OutOfMemory();
slouken@1951
   638
            return;
slouken@1951
   639
        }
slouken@2143
   640
        status = XStringListToTextProperty(&title_locale, 1, &titleprop);
slouken@2143
   641
        SDL_free(title_locale);
slouken@1951
   642
        if (status) {
slouken@3685
   643
            XSetTextProperty(display, data->xwindow, &titleprop, XA_WM_NAME);
slouken@1951
   644
            XFree(titleprop.value);
slouken@1951
   645
        }
slouken@1951
   646
#ifdef X_HAVE_UTF8_STRING
slouken@1951
   647
        if (SDL_X11_HAVE_UTF8) {
slouken@1951
   648
            status =
slouken@1951
   649
                Xutf8TextListToTextProperty(display, (char **) &title, 1,
slouken@1951
   650
                                            XUTF8StringStyle, &titleprop);
slouken@1951
   651
            if (status == Success) {
slouken@3685
   652
                XSetTextProperty(display, data->xwindow, &titleprop,
slouken@1951
   653
                                 _NET_WM_NAME);
slouken@1951
   654
                XFree(titleprop.value);
slouken@1951
   655
            }
slouken@1951
   656
        }
slouken@1951
   657
#endif
slouken@1951
   658
    }
slouken@1951
   659
    if (icon != NULL) {
slouken@2143
   660
        char *icon_locale = SDL_iconv_utf8_locale(icon);
slouken@2143
   661
        if (!icon_locale) {
slouken@1951
   662
            SDL_OutOfMemory();
slouken@1951
   663
            return;
slouken@1951
   664
        }
slouken@2143
   665
        status = XStringListToTextProperty(&icon_locale, 1, &iconprop);
slouken@2143
   666
        SDL_free(icon_locale);
slouken@1951
   667
        if (status) {
slouken@3685
   668
            XSetTextProperty(display, data->xwindow, &iconprop,
slouken@1951
   669
                             XA_WM_ICON_NAME);
slouken@1951
   670
            XFree(iconprop.value);
slouken@1951
   671
        }
slouken@1951
   672
#ifdef X_HAVE_UTF8_STRING
slouken@1951
   673
        if (SDL_X11_HAVE_UTF8) {
slouken@1951
   674
            status =
slouken@1951
   675
                Xutf8TextListToTextProperty(display, (char **) &icon, 1,
slouken@1951
   676
                                            XUTF8StringStyle, &iconprop);
slouken@1951
   677
            if (status == Success) {
slouken@3685
   678
                XSetTextProperty(display, data->xwindow, &iconprop,
slouken@1951
   679
                                 _NET_WM_ICON_NAME);
slouken@1951
   680
                XFree(iconprop.value);
slouken@1951
   681
            }
slouken@1951
   682
        }
slouken@1951
   683
#endif
slouken@1951
   684
    }
slouken@5031
   685
    XFlush(display);
slouken@1951
   686
}
slouken@1951
   687
slouken@1951
   688
void
slouken@2967
   689
X11_SetWindowIcon(_THIS, SDL_Window * window, SDL_Surface * icon)
slouken@2967
   690
{
slouken@2967
   691
    SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
slouken@2967
   692
    Display *display = data->videodata->display;
slouken@4518
   693
    Atom _NET_WM_ICON = data->videodata->_NET_WM_ICON;
slouken@2967
   694
slouken@2967
   695
    if (icon) {
slouken@2967
   696
        SDL_PixelFormat format;
slouken@2967
   697
        SDL_Surface *surface;
slouken@2967
   698
        int propsize;
slouken@4528
   699
        long *propdata;
slouken@2967
   700
slouken@2967
   701
        /* Convert the icon to ARGB for modern window managers */
slouken@5288
   702
        SDL_InitFormat(&format, SDL_PIXELFORMAT_ARGB8888);
slouken@2967
   703
        surface = SDL_ConvertSurface(icon, &format, 0);
slouken@2967
   704
        if (!surface) {
slouken@2967
   705
            return;
slouken@2967
   706
        }
slouken@2967
   707
slouken@2967
   708
        /* Set the _NET_WM_ICON property */
slouken@2990
   709
        propsize = 2 + (icon->w * icon->h);
slouken@4566
   710
        propdata = SDL_malloc(propsize * sizeof(long));
slouken@2967
   711
        if (propdata) {
slouken@4528
   712
            int x, y;
slouken@4528
   713
            Uint32 *src;
slouken@4528
   714
            long *dst;
slouken@4528
   715
slouken@2967
   716
            propdata[0] = icon->w;
slouken@2967
   717
            propdata[1] = icon->h;
slouken@4528
   718
            dst = &propdata[2];
slouken@4528
   719
            for (y = 0; y < icon->h; ++y) {
slouken@4528
   720
                src = (Uint32*)((Uint8*)surface->pixels + y * surface->pitch);
slouken@4528
   721
                for (x = 0; x < icon->w; ++x) {
slouken@4528
   722
                    *dst++ = *src++;
slouken@4528
   723
                }
slouken@4528
   724
            }
slouken@3685
   725
            XChangeProperty(display, data->xwindow, _NET_WM_ICON, XA_CARDINAL,
slouken@2990
   726
                            32, PropModeReplace, (unsigned char *) propdata,
slouken@2990
   727
                            propsize);
slouken@2967
   728
        }
slouken@2967
   729
        SDL_FreeSurface(surface);
slouken@2967
   730
    } else {
slouken@3685
   731
        XDeleteProperty(display, data->xwindow, _NET_WM_ICON);
slouken@2967
   732
    }
slouken@5031
   733
    XFlush(display);
slouken@2967
   734
}
slouken@2967
   735
slouken@2967
   736
void
slouken@1951
   737
X11_SetWindowPosition(_THIS, SDL_Window * window)
slouken@1951
   738
{
slouken@1951
   739
    SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
slouken@1951
   740
    Display *display = data->videodata->display;
slouken@1951
   741
slouken@5478
   742
    XMoveWindow(display, data->xwindow, window->x, window->y);
slouken@5031
   743
    XFlush(display);
slouken@1951
   744
}
slouken@1951
   745
slouken@1951
   746
void
slouken@1951
   747
X11_SetWindowSize(_THIS, SDL_Window * window)
slouken@1951
   748
{
slouken@1951
   749
    SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
slouken@1951
   750
    Display *display = data->videodata->display;
slouken@1951
   751
slouken@6481
   752
    if (SDL_IsShapedWindow(window)) {
eligottlieb@4782
   753
        X11_ResizeWindowShape(window);
slouken@6481
   754
    }
slouken@5531
   755
    if (!(window->flags & SDL_WINDOW_RESIZABLE)) {
slouken@5531
   756
         /* Apparently, if the X11 Window is set to a 'non-resizable' window, you cannot resize it using the XResizeWindow, thus
slouken@5531
   757
            we must set the size hints to adjust the window size.*/
slouken@5531
   758
         XSizeHints *sizehints = XAllocSizeHints();
slouken@5531
   759
         long userhints;
slouken@5531
   760
slouken@5531
   761
         XGetWMNormalHints(display, data->xwindow, sizehints, &userhints);
slouken@5531
   762
slouken@6343
   763
         sizehints->min_width = sizehints->max_width = window->w;
slouken@5531
   764
         sizehints->min_height = sizehints->max_height = window->h;
slouken@5531
   765
slouken@5531
   766
         XSetWMNormalHints(display, data->xwindow, sizehints);
slouken@5531
   767
slouken@5531
   768
         XFree(sizehints);
slouken@6481
   769
    } else {
slouken@5531
   770
        XResizeWindow(display, data->xwindow, window->w, window->h);
slouken@6481
   771
    }
slouken@5031
   772
    XFlush(display);
slouken@1951
   773
}
slouken@1951
   774
icculus@6422
   775
void
icculus@6422
   776
X11_SetWindowBordered(_THIS, SDL_Window * window, SDL_bool bordered)
icculus@6422
   777
{
icculus@6423
   778
    const SDL_bool focused = ((window->flags & SDL_WINDOW_INPUT_FOCUS) != 0);
icculus@6423
   779
    const SDL_bool visible = ((window->flags & SDL_WINDOW_HIDDEN) == 0);
icculus@6422
   780
    SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
icculus@6422
   781
    SDL_DisplayData *displaydata =
icculus@6422
   782
        (SDL_DisplayData *) SDL_GetDisplayForWindow(window)->driverdata;
icculus@6422
   783
    Display *display = data->videodata->display;
icculus@6422
   784
    XEvent event;
icculus@6422
   785
icculus@6422
   786
    SetWindowBordered(display, displaydata->screen, data->xwindow, bordered);
icculus@6423
   787
    XFlush(display);
icculus@6422
   788
    XIfEvent(display, &event, &isConfigureNotify, (XPointer)&data->xwindow);
icculus@6422
   789
icculus@6423
   790
    if (visible) {
icculus@6423
   791
        XWindowAttributes attr;
icculus@6423
   792
        do {
icculus@6423
   793
            XSync(display, False);
icculus@6423
   794
            XGetWindowAttributes(display, data->xwindow, &attr);
icculus@6423
   795
        } while (attr.map_state != IsViewable);
icculus@6423
   796
icculus@6423
   797
        if (focused) {
icculus@6423
   798
            XSetInputFocus(display, data->xwindow, RevertToParent, CurrentTime);
icculus@6423
   799
        }
icculus@6423
   800
    }
icculus@6423
   801
icculus@6422
   802
    /* make sure these don't make it to the real event queue if they fired here. */
icculus@6423
   803
    XSync(display, False);
icculus@6423
   804
    XCheckIfEvent(display, &event, &isUnmapNotify, (XPointer)&data->xwindow);
icculus@6423
   805
    XCheckIfEvent(display, &event, &isMapNotify, (XPointer)&data->xwindow);
icculus@6422
   806
}
slouken@6336
   807
slouken@1951
   808
void
slouken@1951
   809
X11_ShowWindow(_THIS, SDL_Window * window)
slouken@1951
   810
{
slouken@1951
   811
    SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
slouken@1951
   812
    Display *display = data->videodata->display;
slouken@6336
   813
    XEvent event;
slouken@1951
   814
slouken@6483
   815
    if (!X11_IsWindowMapped(_this, window)) {
slouken@6483
   816
        XMapRaised(display, data->xwindow);
slouken@6483
   817
        /* Blocking wait for "MapNotify" event.
slouken@6483
   818
         * We use XIfEvent because XWindowEvent takes a mask rather than a type, 
slouken@6483
   819
         * and XCheckTypedWindowEvent doesn't block */
slouken@6483
   820
        XIfEvent(display, &event, &isMapNotify, (XPointer)&data->xwindow);
slouken@6483
   821
        XFlush(display);
slouken@6483
   822
    }
slouken@1951
   823
}
slouken@1951
   824
slouken@1951
   825
void
slouken@1951
   826
X11_HideWindow(_THIS, SDL_Window * window)
slouken@1951
   827
{
slouken@1951
   828
    SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
slouken@1951
   829
    Display *display = data->videodata->display;
slouken@6336
   830
    XEvent event;
slouken@1951
   831
slouken@6483
   832
    if (X11_IsWindowMapped(_this, window)) {
slouken@6483
   833
        XUnmapWindow(display, data->xwindow);
slouken@6483
   834
        /* Blocking wait for "UnmapNotify" event */
slouken@6483
   835
        XIfEvent(display, &event, &isUnmapNotify, (XPointer)&data->xwindow);    
slouken@6483
   836
        XFlush(display);
slouken@6483
   837
    }
slouken@1951
   838
}
slouken@1951
   839
slouken@1951
   840
void
slouken@1951
   841
X11_RaiseWindow(_THIS, SDL_Window * window)
slouken@1951
   842
{
slouken@1951
   843
    SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
slouken@1951
   844
    Display *display = data->videodata->display;
slouken@1951
   845
slouken@3685
   846
    XRaiseWindow(display, data->xwindow);
slouken@5031
   847
    XFlush(display);
slouken@1951
   848
}
slouken@1951
   849
slouken@3077
   850
static void
slouken@5302
   851
SetWindowMaximized(_THIS, SDL_Window * window, SDL_bool maximized)
slouken@3077
   852
{
slouken@3077
   853
    SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
slouken@3077
   854
    SDL_DisplayData *displaydata =
slouken@5246
   855
        (SDL_DisplayData *) SDL_GetDisplayForWindow(window)->driverdata;
slouken@3077
   856
    Display *display = data->videodata->display;
slouken@4518
   857
    Atom _NET_WM_STATE = data->videodata->_NET_WM_STATE;
slouken@4518
   858
    Atom _NET_WM_STATE_MAXIMIZED_VERT = data->videodata->_NET_WM_STATE_MAXIMIZED_VERT;
slouken@4518
   859
    Atom _NET_WM_STATE_MAXIMIZED_HORZ = data->videodata->_NET_WM_STATE_MAXIMIZED_HORZ;
slouken@3077
   860
slouken@4522
   861
    if (X11_IsWindowMapped(_this, window)) {
slouken@4522
   862
        XEvent e;
slouken@3077
   863
slouken@4524
   864
        SDL_zero(e);
slouken@4522
   865
        e.xany.type = ClientMessage;
slouken@4522
   866
        e.xclient.message_type = _NET_WM_STATE;
slouken@4522
   867
        e.xclient.format = 32;
slouken@4522
   868
        e.xclient.window = data->xwindow;
slouken@4522
   869
        e.xclient.data.l[0] =
slouken@4522
   870
            maximized ? _NET_WM_STATE_ADD : _NET_WM_STATE_REMOVE;
slouken@4522
   871
        e.xclient.data.l[1] = _NET_WM_STATE_MAXIMIZED_VERT;
slouken@4522
   872
        e.xclient.data.l[2] = _NET_WM_STATE_MAXIMIZED_HORZ;
slouken@4522
   873
        e.xclient.data.l[3] = 0l;
slouken@4522
   874
slouken@4522
   875
        XSendEvent(display, RootWindow(display, displaydata->screen), 0,
slouken@4522
   876
                   SubstructureNotifyMask | SubstructureRedirectMask, &e);
slouken@4522
   877
    } else {
slouken@6481
   878
        int count;
slouken@6481
   879
        Uint32 flags;
slouken@6481
   880
        Atom atoms[5];
slouken@4522
   881
slouken@6481
   882
        flags = window->flags;
slouken@6481
   883
        if (maximized) {
slouken@6481
   884
            flags |= SDL_WINDOW_MAXIMIZED;
slouken@6481
   885
        } else {
slouken@6481
   886
            flags &= ~SDL_WINDOW_MAXIMIZED;
slouken@4522
   887
        }
slouken@6481
   888
        count = X11_GetWMStateProperty(_this, flags, atoms);
slouken@4522
   889
        if (count > 0) {
slouken@4522
   890
            XChangeProperty(display, data->xwindow, _NET_WM_STATE, XA_ATOM, 32,
slouken@4522
   891
                            PropModeReplace, (unsigned char *)atoms, count);
slouken@4522
   892
        } else {
slouken@4522
   893
            XDeleteProperty(display, data->xwindow, _NET_WM_STATE);
slouken@4522
   894
        }
slouken@4522
   895
    }
slouken@5031
   896
    XFlush(display);
slouken@3077
   897
}
slouken@3077
   898
slouken@1951
   899
void
slouken@1951
   900
X11_MaximizeWindow(_THIS, SDL_Window * window)
slouken@1951
   901
{
slouken@5302
   902
    SetWindowMaximized(_this, window, SDL_TRUE);
slouken@1951
   903
}
slouken@1951
   904
slouken@1951
   905
void
slouken@1951
   906
X11_MinimizeWindow(_THIS, SDL_Window * window)
slouken@1951
   907
{
slouken@4518
   908
    SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
slouken@4518
   909
    SDL_DisplayData *displaydata =
slouken@5246
   910
        (SDL_DisplayData *) SDL_GetDisplayForWindow(window)->driverdata;
slouken@4518
   911
    Display *display = data->videodata->display;
slouken@4518
   912
 
slouken@4518
   913
    XIconifyWindow(display, data->xwindow, displaydata->screen);
slouken@5031
   914
    XFlush(display);
slouken@1951
   915
}
slouken@1951
   916
slouken@1951
   917
void
slouken@1951
   918
X11_RestoreWindow(_THIS, SDL_Window * window)
slouken@1951
   919
{
slouken@5302
   920
    SetWindowMaximized(_this, window, SDL_FALSE);
slouken@1951
   921
    X11_ShowWindow(_this, window);
slouken@1951
   922
}
slouken@1951
   923
icculus@6467
   924
/* This asks the Window Manager to handle fullscreen for us. Most don't do it right, though. */
icculus@6467
   925
static void
icculus@6467
   926
X11_SetWindowFullscreenViaWM(_THIS, SDL_Window * window, SDL_VideoDisplay * _display, SDL_bool fullscreen)
slouken@5302
   927
{
slouken@5302
   928
    SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
slouken@5305
   929
    SDL_DisplayData *displaydata = (SDL_DisplayData *) _display->driverdata;
slouken@5302
   930
    Display *display = data->videodata->display;
slouken@5302
   931
    Atom _NET_WM_STATE = data->videodata->_NET_WM_STATE;
slouken@5302
   932
    Atom _NET_WM_STATE_FULLSCREEN = data->videodata->_NET_WM_STATE_FULLSCREEN;
slouken@6481
   933
    Atom _NET_WM_ACTION_FULLSCREEN = data->videodata->_NET_WM_ACTION_FULLSCREEN;
slouken@5302
   934
slouken@5302
   935
    if (X11_IsWindowMapped(_this, window)) {
slouken@5302
   936
        XEvent e;
slouken@5302
   937
slouken@6481
   938
        if (!X11_IsActionAllowed(window, _NET_WM_ACTION_FULLSCREEN)) {
icculus@6466
   939
            /* We aren't allowed to go into fullscreen mode... */
icculus@6466
   940
            if ((window->flags & SDL_WINDOW_RESIZABLE) == 0) {
icculus@6466
   941
                /* ...and we aren't resizable. Compiz refuses fullscreen toggle in this case. */
icculus@6466
   942
                XSizeHints *sizehints = XAllocSizeHints();
icculus@6466
   943
                long flags = 0;
icculus@6466
   944
                XGetWMNormalHints(display, data->xwindow, sizehints, &flags);
icculus@6466
   945
                /* set the resize flags on */
icculus@6466
   946
                sizehints->flags |= PMinSize | PMaxSize;
icculus@6466
   947
                if (fullscreen) {
icculus@6466
   948
                    /* we are going fullscreen so turn the flags off */
icculus@6466
   949
                    sizehints->flags ^= (PMinSize | PMaxSize);
icculus@6466
   950
                } else {
icculus@6466
   951
                    /* Reset the min/max width height to make the window non-resizable again */
icculus@6466
   952
                    sizehints->min_width = sizehints->max_width = window->w;
icculus@6466
   953
                    sizehints->min_height = sizehints->max_height = window->h;
icculus@6466
   954
                }
icculus@6466
   955
                XSetWMNormalHints(display, data->xwindow, sizehints);
icculus@6466
   956
                XFree(sizehints);
icculus@6466
   957
            }
icculus@6466
   958
        }
icculus@6466
   959
        
slouken@5302
   960
        SDL_zero(e);
slouken@5302
   961
        e.xany.type = ClientMessage;
slouken@5302
   962
        e.xclient.message_type = _NET_WM_STATE;
slouken@5302
   963
        e.xclient.format = 32;
slouken@5302
   964
        e.xclient.window = data->xwindow;
slouken@5302
   965
        e.xclient.data.l[0] =
slouken@5302
   966
            fullscreen ? _NET_WM_STATE_ADD : _NET_WM_STATE_REMOVE;
slouken@5302
   967
        e.xclient.data.l[1] = _NET_WM_STATE_FULLSCREEN;
slouken@5302
   968
        e.xclient.data.l[3] = 0l;
slouken@5302
   969
slouken@5302
   970
        XSendEvent(display, RootWindow(display, displaydata->screen), 0,
slouken@5302
   971
                   SubstructureNotifyMask | SubstructureRedirectMask, &e);
slouken@5302
   972
    } else {
slouken@6481
   973
        int count;
slouken@6481
   974
        Uint32 flags;
slouken@6481
   975
        Atom atoms[5];
slouken@5302
   976
slouken@6481
   977
        flags = window->flags;
slouken@5302
   978
        if (fullscreen) {
slouken@6481
   979
            flags |= SDL_WINDOW_FULLSCREEN;
slouken@6481
   980
        } else {
slouken@6481
   981
            flags &= ~SDL_WINDOW_FULLSCREEN;
slouken@5302
   982
        }
slouken@6481
   983
        count = X11_GetWMStateProperty(_this, flags, atoms);
slouken@5302
   984
        if (count > 0) {
slouken@5302
   985
            XChangeProperty(display, data->xwindow, _NET_WM_STATE, XA_ATOM, 32,
slouken@5302
   986
                            PropModeReplace, (unsigned char *)atoms, count);
slouken@5302
   987
        } else {
slouken@5302
   988
            XDeleteProperty(display, data->xwindow, _NET_WM_STATE);
slouken@5302
   989
        }
slouken@5302
   990
    }
slouken@5302
   991
    XFlush(display);
slouken@5302
   992
}
slouken@5302
   993
icculus@6467
   994
static __inline__ int
icculus@6467
   995
maxint(const int a, const int b)
icculus@6467
   996
{
icculus@6467
   997
    return (a > b ? a : b);
icculus@6467
   998
}
icculus@6467
   999
icculus@6467
  1000
icculus@6467
  1001
/* This handles fullscreen itself, outside the Window Manager. */
icculus@6467
  1002
static void
icculus@6467
  1003
X11_BeginWindowFullscreenLegacy(_THIS, SDL_Window * window, SDL_VideoDisplay * _display)
icculus@6467
  1004
{
icculus@6467
  1005
    SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
icculus@6467
  1006
    SDL_DisplayData *displaydata = (SDL_DisplayData *) _display->driverdata;
icculus@6467
  1007
    Visual *visual = data->visual;
icculus@6467
  1008
    Display *display = data->videodata->display;
icculus@6467
  1009
    const int screen = displaydata->screen;
icculus@6467
  1010
    Window root = RootWindow(display, screen);
icculus@6467
  1011
    const int def_vis = (visual == DefaultVisual(display, screen));
icculus@6467
  1012
    unsigned long xattrmask = 0;
icculus@6467
  1013
    XSetWindowAttributes xattr;
icculus@6467
  1014
    XEvent ev;
slouken@6475
  1015
    SDL_Rect rect;
icculus@6467
  1016
icculus@6467
  1017
    if ( data->fswindow ) {
icculus@6467
  1018
        return;  /* already fullscreen, I hope. */
icculus@6467
  1019
    }
icculus@6467
  1020
slouken@6475
  1021
    X11_GetDisplayBounds(_this, _display, &rect);
slouken@6475
  1022
icculus@6467
  1023
    SDL_zero(xattr);
icculus@6467
  1024
    xattr.override_redirect = True;
icculus@6467
  1025
    xattrmask |= CWOverrideRedirect;
icculus@6467
  1026
    xattr.background_pixel = def_vis ? BlackPixel(display, screen) : 0;
icculus@6467
  1027
    xattrmask |= CWBackPixel;
icculus@6467
  1028
    xattr.border_pixel = 0;
icculus@6467
  1029
    xattrmask |= CWBorderPixel;
icculus@6467
  1030
    xattr.colormap = data->colormap;
icculus@6467
  1031
    xattrmask |= CWColormap;
icculus@6467
  1032
slouken@6475
  1033
    data->fswindow = XCreateWindow(display, root,
slouken@6475
  1034
                                   rect.x, rect.y, rect.w, rect.h, 0,
icculus@6467
  1035
                                   displaydata->depth, InputOutput,
icculus@6467
  1036
                                   visual, xattrmask, &xattr);
icculus@6467
  1037
icculus@6467
  1038
    XSelectInput(display, data->fswindow, StructureNotifyMask);
icculus@6467
  1039
    XSetWindowBackground(display, data->fswindow, 0);
icculus@6467
  1040
    XClearWindow(display, data->fswindow);
slouken@6480
  1041
    XMapRaised(display, data->fswindow);
icculus@6467
  1042
slouken@6480
  1043
    /* Make sure the fswindow is in view by warping mouse to the corner */
slouken@6480
  1044
    XWarpPointer(display, None, root, 0, 0, 0, 0, rect.x, rect.y);
icculus@6467
  1045
icculus@6467
  1046
    /* Wait to be mapped, filter Unmap event out if it arrives. */
icculus@6467
  1047
    XIfEvent(display, &ev, &isMapNotify, (XPointer)&data->fswindow);
icculus@6467
  1048
    XCheckIfEvent(display, &ev, &isUnmapNotify, (XPointer)&data->fswindow);
icculus@6467
  1049
icculus@6467
  1050
#if SDL_VIDEO_DRIVER_X11_XVIDMODE
icculus@6467
  1051
    if ( displaydata->use_vidmode ) {
icculus@6467
  1052
        XF86VidModeLockModeSwitch(display, screen, True);
icculus@6467
  1053
    }
icculus@6467
  1054
#endif
icculus@6467
  1055
    XInstallColormap(display, data->colormap);
icculus@6467
  1056
icculus@6467
  1057
    SetWindowBordered(display, displaydata->screen, data->xwindow, SDL_FALSE);
icculus@6467
  1058
icculus@6467
  1059
    /* Center actual window within our cover-the-screen window. */
slouken@6475
  1060
    rect.x += (rect.w - window->w) / 2;
slouken@6475
  1061
    rect.y += (rect.h - window->h) / 2;
slouken@6475
  1062
    XReparentWindow(display, data->xwindow, data->fswindow, rect.x, rect.y);
icculus@6467
  1063
icculus@6467
  1064
    /* Center mouse in the window. */
slouken@6475
  1065
    rect.x += (window->w / 2);
slouken@6475
  1066
    rect.y += (window->h / 2);
slouken@6475
  1067
    XWarpPointer(display, None, root, 0, 0, 0, 0, rect.x, rect.y);
icculus@6467
  1068
icculus@6467
  1069
    /* Wait to be mapped, filter Unmap event out if it arrives. */
icculus@6467
  1070
    XIfEvent(display, &ev, &isMapNotify, (XPointer)&data->xwindow);
slouken@6480
  1071
    XCheckIfEvent(display, &ev, &isUnmapNotify, (XPointer)&data->xwindow);
icculus@6467
  1072
slouken@6480
  1073
    /* Set the input focus because we're about to grab input */
icculus@6467
  1074
    window->flags |= SDL_WINDOW_INPUT_FOCUS;
icculus@6467
  1075
    SDL_SetKeyboardFocus(data->window);
icculus@6467
  1076
icculus@6467
  1077
    X11_SetWindowGrab(_this, window);
icculus@6467
  1078
}
icculus@6467
  1079
icculus@6467
  1080
static void
icculus@6467
  1081
X11_EndWindowFullscreenLegacy(_THIS, SDL_Window * window, SDL_VideoDisplay * _display)
icculus@6467
  1082
{
icculus@6467
  1083
    SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
icculus@6467
  1084
    SDL_DisplayData *displaydata = (SDL_DisplayData *) _display->driverdata;
icculus@6467
  1085
    Display *display = data->videodata->display;
icculus@6467
  1086
    const int screen = displaydata->screen;
icculus@6467
  1087
    Window root = RootWindow(display, screen);
slouken@6480
  1088
    Window fswindow = data->fswindow;
icculus@6467
  1089
    XEvent ev;
icculus@6467
  1090
slouken@6480
  1091
    if (!data->fswindow) {
icculus@6467
  1092
        return;  /* already not fullscreen, I hope. */
slouken@6480
  1093
    }
icculus@6467
  1094
slouken@6480
  1095
    data->fswindow = None;
icculus@6467
  1096
icculus@6467
  1097
#if SDL_VIDEO_DRIVER_X11_VIDMODE
icculus@6467
  1098
    if ( displaydata->use_vidmode ) {
icculus@6467
  1099
        XF86VidModeLockModeSwitch(display, screen, False);
icculus@6467
  1100
    }
icculus@6467
  1101
#endif
icculus@6467
  1102
slouken@6480
  1103
    X11_SetWindowGrab(_this, window);
icculus@6467
  1104
slouken@6480
  1105
    XReparentWindow(display, data->xwindow, root, window->x, window->y);
slouken@6480
  1106
slouken@6480
  1107
    /* flush these events so they don't confuse normal event handling */
icculus@6467
  1108
    XIfEvent(display, &ev, &isUnmapNotify, (XPointer)&data->xwindow);
icculus@6467
  1109
    XIfEvent(display, &ev, &isMapNotify, (XPointer)&data->xwindow);
icculus@6467
  1110
icculus@6467
  1111
    SetWindowBordered(display, screen, data->xwindow,
icculus@6467
  1112
                      (window->flags & SDL_WINDOW_BORDERLESS) == 0);
icculus@6467
  1113
slouken@6480
  1114
    XUnmapWindow(display, fswindow);
slouken@6480
  1115
slouken@6480
  1116
    /* Wait to be unmapped. */
slouken@6480
  1117
    XIfEvent(display, &ev, &isUnmapNotify, (XPointer)&fswindow);
slouken@6480
  1118
    XDestroyWindow(display, fswindow);
icculus@6467
  1119
}
icculus@6467
  1120
icculus@6467
  1121
icculus@6467
  1122
void
icculus@6467
  1123
X11_SetWindowFullscreen(_THIS, SDL_Window * window, SDL_VideoDisplay * _display, SDL_bool fullscreen)
icculus@6467
  1124
{
icculus@6467
  1125
    /* !!! FIXME: SDL_Hint? */
icculus@6467
  1126
    SDL_bool legacy = SDL_FALSE;
icculus@6467
  1127
    const char *env = SDL_getenv("SDL_VIDEO_X11_LEGACY_FULLSCREEN");
icculus@6467
  1128
    if (env) {
icculus@6467
  1129
        legacy = SDL_atoi(env);
icculus@6467
  1130
    } else {
slouken@6473
  1131
        SDL_VideoData *videodata = (SDL_VideoData *) _this->driverdata;
icculus@6467
  1132
        SDL_DisplayData *displaydata = (SDL_DisplayData *) _display->driverdata;
icculus@6467
  1133
        if ( displaydata->use_vidmode ) {
icculus@6467
  1134
            legacy = SDL_TRUE;  /* the new stuff only works with XRandR. */
slouken@6473
  1135
        } else if ( !videodata->net_wm ) {
slouken@6473
  1136
            legacy = SDL_TRUE;  /* The window manager doesn't support it */
icculus@6467
  1137
        } else {
icculus@6467
  1138
            /* !!! FIXME: look at the window manager name, and blacklist certain ones? */
icculus@6467
  1139
            /* http://stackoverflow.com/questions/758648/find-the-name-of-the-x-window-manager */
icculus@6467
  1140
            legacy = SDL_FALSE;  /* try the new way. */
icculus@6467
  1141
        }
icculus@6467
  1142
    }
icculus@6467
  1143
icculus@6467
  1144
    if (legacy) {
icculus@6467
  1145
        if (fullscreen) {
icculus@6467
  1146
            X11_BeginWindowFullscreenLegacy(_this, window, _display);
icculus@6467
  1147
        } else {
icculus@6467
  1148
            X11_EndWindowFullscreenLegacy(_this, window, _display);
icculus@6467
  1149
        }
icculus@6467
  1150
    } else {
icculus@6467
  1151
        X11_SetWindowFullscreenViaWM(_this, window, _display, fullscreen);
icculus@6467
  1152
    }
icculus@6467
  1153
}
icculus@6467
  1154
icculus@6467
  1155
slouken@5466
  1156
int
slouken@5466
  1157
X11_SetWindowGammaRamp(_THIS, SDL_Window * window, const Uint16 * ramp)
slouken@5466
  1158
{
slouken@5466
  1159
    SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
slouken@5466
  1160
    Display *display = data->videodata->display;
slouken@5466
  1161
    Visual *visual = data->visual;
slouken@5466
  1162
    Colormap colormap = data->colormap;
slouken@5466
  1163
    XColor *colorcells;
slouken@5466
  1164
    int ncolors;
slouken@5466
  1165
    int rmask, gmask, bmask;
slouken@5466
  1166
    int rshift, gshift, bshift;
icculus@5981
  1167
    int i;
slouken@5466
  1168
slouken@5466
  1169
    if (visual->class != DirectColor) {
slouken@5466
  1170
        SDL_SetError("Window doesn't have DirectColor visual");
slouken@5466
  1171
        return -1;
slouken@5466
  1172
    }
slouken@5466
  1173
slouken@5466
  1174
    ncolors = visual->map_entries;
slouken@5466
  1175
    colorcells = SDL_malloc(ncolors * sizeof(XColor));
slouken@5466
  1176
    if (!colorcells) {
slouken@5466
  1177
        SDL_OutOfMemory();
slouken@5466
  1178
        return -1;
slouken@5466
  1179
    }
slouken@5466
  1180
slouken@5466
  1181
    rshift = 0;
slouken@5466
  1182
    rmask = visual->red_mask;
slouken@5466
  1183
    while (0 == (rmask & 1)) {
slouken@5466
  1184
        rshift++;
slouken@5466
  1185
        rmask >>= 1;
slouken@5466
  1186
    }
slouken@5466
  1187
slouken@5466
  1188
    gshift = 0;
slouken@5466
  1189
    gmask = visual->green_mask;
slouken@5466
  1190
    while (0 == (gmask & 1)) {
slouken@5466
  1191
        gshift++;
slouken@5466
  1192
        gmask >>= 1;
slouken@5466
  1193
    }
slouken@5466
  1194
slouken@5466
  1195
    bshift = 0;
slouken@5466
  1196
    bmask = visual->blue_mask;
slouken@5466
  1197
    while (0 == (bmask & 1)) {
slouken@5466
  1198
        bshift++;
slouken@5466
  1199
        bmask >>= 1;
slouken@5466
  1200
    }
slouken@5466
  1201
slouken@5466
  1202
    /* build the color table pixel values */
slouken@5466
  1203
    for (i = 0; i < ncolors; i++) {
slouken@5466
  1204
        Uint32 rbits = (rmask * i) / (ncolors - 1);
slouken@5466
  1205
        Uint32 gbits = (gmask * i) / (ncolors - 1);
slouken@5466
  1206
        Uint32 bbits = (bmask * i) / (ncolors - 1);
slouken@5466
  1207
        Uint32 pix = (rbits << rshift) | (gbits << gshift) | (bbits << bshift);
slouken@5466
  1208
slouken@5466
  1209
        colorcells[i].pixel = pix;
slouken@5466
  1210
slouken@5466
  1211
        colorcells[i].red = ramp[(0 * 256) + i];
slouken@5466
  1212
        colorcells[i].green = ramp[(1 * 256) + i];
slouken@5466
  1213
        colorcells[i].blue = ramp[(2 * 256) + i];
slouken@5466
  1214
slouken@5466
  1215
        colorcells[i].flags = DoRed | DoGreen | DoBlue;
slouken@5466
  1216
    }
slouken@5466
  1217
slouken@5466
  1218
    XStoreColors(display, colormap, colorcells, ncolors);
slouken@5466
  1219
    XFlush(display);
slouken@5466
  1220
    SDL_free(colorcells);
slouken@5466
  1221
slouken@5466
  1222
    return 0;
slouken@5466
  1223
}
slouken@5466
  1224
slouken@5302
  1225
void
slouken@1951
  1226
X11_SetWindowGrab(_THIS, SDL_Window * window)
slouken@1951
  1227
{
slouken@2875
  1228
    SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
slouken@2875
  1229
    Display *display = data->videodata->display;
slouken@4518
  1230
    SDL_bool oldstyle_fullscreen;
slouken@2875
  1231
slouken@4518
  1232
    /* ICCCM2.0-compliant window managers can handle fullscreen windows */
icculus@6467
  1233
    oldstyle_fullscreen = X11_IsWindowLegacyFullscreen(_this, window);
slouken@4518
  1234
slouken@4518
  1235
    if (((window->flags & SDL_WINDOW_INPUT_GRABBED) || oldstyle_fullscreen)
slouken@2876
  1236
        && (window->flags & SDL_WINDOW_INPUT_FOCUS)) {
slouken@6480
  1237
        XEvent ev;
slouken@6480
  1238
slouken@2875
  1239
        /* Try to grab the mouse */
slouken@2876
  1240
        for (;;) {
slouken@2876
  1241
            int result =
slouken@3685
  1242
                XGrabPointer(display, data->xwindow, True, 0, GrabModeAsync,
slouken@3685
  1243
                             GrabModeAsync, data->xwindow, None, CurrentTime);
slouken@2876
  1244
            if (result == GrabSuccess) {
slouken@2875
  1245
                break;
slouken@2875
  1246
            }
slouken@2875
  1247
            SDL_Delay(100);
slouken@2875
  1248
        }
slouken@2875
  1249
slouken@2875
  1250
        /* Raise the window if we grab the mouse */
slouken@3685
  1251
        XRaiseWindow(display, data->xwindow);
slouken@2875
  1252
slouken@2875
  1253
        /* Now grab the keyboard */
slouken@3685
  1254
        XGrabKeyboard(display, data->xwindow, True, GrabModeAsync,
slouken@2876
  1255
                      GrabModeAsync, CurrentTime);
slouken@6480
  1256
slouken@6480
  1257
        /* flush these events so they don't confuse normal event handling */
slouken@6480
  1258
        XSync(display, False);
slouken@6480
  1259
        XIfEvent(display, &ev, &isFocusIn, (XPointer)&data->xwindow);
slouken@6480
  1260
        XIfEvent(display, &ev, &isFocusOut, (XPointer)&data->xwindow);
slouken@2875
  1261
    } else {
slouken@2875
  1262
        XUngrabPointer(display, CurrentTime);
slouken@2875
  1263
        XUngrabKeyboard(display, CurrentTime);
slouken@2875
  1264
    }
slouken@1951
  1265
}
slouken@1951
  1266
slouken@1951
  1267
void
slouken@1951
  1268
X11_DestroyWindow(_THIS, SDL_Window * window)
slouken@1951
  1269
{
slouken@1951
  1270
    SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
bob@2323
  1271
    window->driverdata = NULL;
slouken@1951
  1272
slouken@1951
  1273
    if (data) {
bob@2323
  1274
        SDL_VideoData *videodata = (SDL_VideoData *) data->videodata;
bob@2323
  1275
        Display *display = videodata->display;
bob@2323
  1276
        int numwindows = videodata->numwindows;
bob@2323
  1277
        SDL_WindowData **windowlist = videodata->windowlist;
bob@2323
  1278
        int i;
bob@2323
  1279
bob@2323
  1280
        if (windowlist) {
bob@2324
  1281
            for (i = 0; i < numwindows; ++i) {
slouken@3685
  1282
                if (windowlist[i] && (windowlist[i]->window == window)) {
bob@2324
  1283
                    windowlist[i] = windowlist[numwindows - 1];
bob@2324
  1284
                    windowlist[numwindows - 1] = NULL;
bob@2324
  1285
                    videodata->numwindows--;
bob@2324
  1286
                    break;
bob@2324
  1287
                }
bob@2323
  1288
            }
bob@2323
  1289
        }
slouken@1951
  1290
#ifdef X_HAVE_UTF8_STRING
slouken@1951
  1291
        if (data->ic) {
slouken@1951
  1292
            XDestroyIC(data->ic);
slouken@1951
  1293
        }
slouken@1951
  1294
#endif
slouken@1951
  1295
        if (data->created) {
slouken@3685
  1296
            XDestroyWindow(display, data->xwindow);
slouken@5031
  1297
            XFlush(display);
slouken@1951
  1298
        }
slouken@1951
  1299
        SDL_free(data);
slouken@1951
  1300
    }
slouken@1951
  1301
}
slouken@1951
  1302
slouken@1951
  1303
SDL_bool
slouken@1951
  1304
X11_GetWindowWMInfo(_THIS, SDL_Window * window, SDL_SysWMinfo * info)
slouken@1951
  1305
{
slouken@4510
  1306
    SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
slouken@4510
  1307
    Display *display = data->videodata->display;
slouken@4510
  1308
slouken@4510
  1309
    if (info->version.major == SDL_MAJOR_VERSION &&
slouken@4510
  1310
        info->version.minor == SDL_MINOR_VERSION) {
slouken@4510
  1311
        info->subsystem = SDL_SYSWM_X11;
slouken@5056
  1312
        info->info.x11.display = display;
slouken@5056
  1313
        info->info.x11.window = data->xwindow;
slouken@1951
  1314
        return SDL_TRUE;
slouken@1951
  1315
    } else {
slouken@1951
  1316
        SDL_SetError("Application not compiled with SDL %d.%d\n",
slouken@1951
  1317
                     SDL_MAJOR_VERSION, SDL_MINOR_VERSION);
slouken@1951
  1318
        return SDL_FALSE;
slouken@1951
  1319
    }
slouken@1951
  1320
}
slouken@1951
  1321
slouken@5481
  1322
#endif /* SDL_VIDEO_DRIVER_X11 */
slouken@5481
  1323
slouken@1951
  1324
/* vi: set ts=4 sw=4 expandtab: */