src/video/x11/SDL_x11window.c
author Sam Lantinga <slouken@libsdl.org>
Wed, 04 Jul 2007 08:01:04 +0000
changeset 2143 e906da4414a3
parent 1956 ba0d62354872
child 2185 2032348afed1
permissions -rw-r--r--
Fix for bug #447 merged from SDL 1.2
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/*
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    SDL - Simple DirectMedia Layer
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    Copyright (C) 1997-2006 Sam Lantinga
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    This library is free software; you can redistribute it and/or
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    modify it under the terms of the GNU Lesser General Public
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    License as published by the Free Software Foundation; either
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    version 2.1 of the License, or (at your option) any later version.
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    This library is distributed in the hope that it will be useful,
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    but WITHOUT ANY WARRANTY; without even the implied warranty of
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    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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    Lesser General Public License for more details.
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    You should have received a copy of the GNU Lesser General Public
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    License along with this library; if not, write to the Free Software
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    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
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    Sam Lantinga
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    slouken@libsdl.org
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*/
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#include "SDL_config.h"
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#include "SDL_syswm.h"
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#include "../SDL_sysvideo.h"
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#include "../../events/SDL_keyboard_c.h"
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#include "SDL_x11video.h"
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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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    SDL_WindowData **windowlist = videodata->windowlist;
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    /* Allocate the window data */
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    data = (SDL_WindowData *) SDL_malloc(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->windowID = window->id;
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    data->window = 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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    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 = numwindows;
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    videodata->windowlist = windowlist;
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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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    }
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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_MAXIMIZE) {
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       window->flags |= SDL_WINDOW_MAXIMIZED;
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       } else {
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       window->flags &= ~SDL_WINDOW_MAXIMIZED;
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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->windowID);
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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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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_GetDisplayFromWindow(window)->driverdata;
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    Visual *visual;
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    int depth;
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    XSetWindowAttributes xattr;
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    int x, y;
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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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#if SDL_VIDEO_DRIVER_X11_XINERAMA
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/* FIXME
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    if ( use_xinerama ) {
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        x = xinerama_info.x_org;
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        y = xinerama_info.y_org;
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    }
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*/
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#endif
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#ifdef SDL_VIDEO_OPENGL_GLX
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    if (window->flags & SDL_WINDOW_OPENGL) {
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        XVisualInfo *vinfo;
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        if (X11_GL_Initialize(_this) < 0) {
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            return -1;
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        }
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        vinfo = X11_GL_GetVisual(_this, data->display, displaydata->screen);
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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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    if (window->flags & SDL_WINDOW_FULLSCREEN) {
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        xattr.override_redirect = True;
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    } else {
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        xattr.override_redirect = False;
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    }
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    xattr.background_pixel = 0;
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    xattr.border_pixel = 0;
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    if (visual->class == PseudoColor || visual->class == DirectColor) {
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        xattr.colormap =
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            XCreateColormap(data->display,
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                            RootWindow(data->display, displaydata->screen),
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                            visual, AllocAll);
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    } else {
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        xattr.colormap =
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            XCreateColormap(data->display,
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                            RootWindow(data->display, displaydata->screen),
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                            visual, AllocNone);
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    }
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    if (window->x == SDL_WINDOWPOS_CENTERED) {
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        x = (DisplayWidth(data->display, displaydata->screen) -
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             window->w) / 2;
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    } else if (window->x == SDL_WINDOWPOS_UNDEFINED) {
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        x = 0;
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    } else {
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        x = window->x;
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    }
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    if (window->y == SDL_WINDOWPOS_CENTERED) {
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        y = (DisplayHeight(data->display, displaydata->screen) -
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             window->h) / 2;
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    } else if (window->y == SDL_WINDOWPOS_UNDEFINED) {
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        y = 0;
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    } else {
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        y = window->y;
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    }
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    w = XCreateWindow(data->display,
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                      RootWindow(data->display, displaydata->screen), x, y,
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                      window->w, window->h, 0, depth, InputOutput, visual,
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                      (CWOverrideRedirect | CWBackPixel | CWBorderPixel |
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                       CWColormap), &xattr);
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    if (!w) {
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#ifdef SDL_VIDEO_OPENGL_GLX
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        if (window->flags & SDL_WINDOW_OPENGL) {
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            X11_GL_Shutdown(_this);
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        }
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#endif
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        SDL_SetError("Couldn't create window");
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        return -1;
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    }
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    sizehints = XAllocSizeHints();
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    if (sizehints) {
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        if (window->flags & SDL_WINDOW_RESIZABLE) {
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            sizehints->min_width = 32;
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            sizehints->min_height = 32;
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            sizehints->max_height = 4096;
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            sizehints->max_width = 4096;
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        } else {
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            sizehints->min_width = sizehints->max_width = window->w;
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            sizehints->min_height = sizehints->max_height = window->h;
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        }
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        sizehints->flags = PMaxSize | PMinSize;
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        if (!(window->flags & SDL_WINDOW_FULLSCREEN)
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            && window->x != SDL_WINDOWPOS_UNDEFINED
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            && window->y != SDL_WINDOWPOS_UNDEFINED) {
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            sizehints->x = x;
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            sizehints->y = y;
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            sizehints->flags |= USPosition;
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        }
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        XSetWMNormalHints(data->display, w, sizehints);
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        XFree(sizehints);
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    }
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    if (window->flags & SDL_WINDOW_BORDERLESS) {
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        SDL_bool set;
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        Atom WM_HINTS;
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        /* We haven't modified the window manager hints yet */
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        set = SDL_FALSE;
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        /* First try to set MWM hints */
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        WM_HINTS = XInternAtom(data->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, 0, 0, 0};
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            XChangeProperty(data->display, w, WM_HINTS, WM_HINTS, 32,
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                            PropModeReplace, (unsigned char *) &MWMHints,
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                            sizeof(MWMHints) / sizeof(long));
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            set = SDL_TRUE;
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        }
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        /* Now try to set KWM hints */
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        WM_HINTS = XInternAtom(data->display, "KWM_WIN_DECORATION", True);
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        if (WM_HINTS != None) {
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            long KWMHints = 0;
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            XChangeProperty(data->display, w,
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                            WM_HINTS, WM_HINTS, 32,
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                            PropModeReplace,
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                            (unsigned char *) &KWMHints,
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                            sizeof(KWMHints) / sizeof(long));
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            set = SDL_TRUE;
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        }
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        /* Now try to set GNOME hints */
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        WM_HINTS = XInternAtom(data->display, "_WIN_HINTS", True);
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        if (WM_HINTS != None) {
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            long GNOMEHints = 0;
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            XChangeProperty(data->display, w,
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                            WM_HINTS, WM_HINTS, 32,
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                            PropModeReplace,
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                            (unsigned char *) &GNOMEHints,
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                            sizeof(GNOMEHints) / sizeof(long));
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            set = SDL_TRUE;
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        }
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        /* Finally set the transient hints if necessary */
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        if (!set) {
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            XSetTransientForHint(data->display, w,
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                                 RootWindow(data->display,
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                                            displaydata->screen));
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        }
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    } else {
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        SDL_bool set;
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        Atom WM_HINTS;
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        /* We haven't modified the window manager hints yet */
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        set = SDL_FALSE;
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        /* First try to unset MWM hints */
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        WM_HINTS = XInternAtom(data->display, "_MOTIF_WM_HINTS", True);
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        if (WM_HINTS != None) {
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            XDeleteProperty(data->display, w, WM_HINTS);
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            set = SDL_TRUE;
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        }
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        /* Now try to unset KWM hints */
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        WM_HINTS = XInternAtom(data->display, "KWM_WIN_DECORATION", True);
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        if (WM_HINTS != None) {
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            XDeleteProperty(data->display, w, WM_HINTS);
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            set = SDL_TRUE;
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        }
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        /* Now try to unset GNOME hints */
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        WM_HINTS = XInternAtom(data->display, "_WIN_HINTS", True);
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        if (WM_HINTS != None) {
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            XDeleteProperty(data->display, w, WM_HINTS);
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            set = SDL_TRUE;
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        }
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        /* Finally unset the transient hints if necessary */
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        if (!set) {
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            /* NOTE: Does this work? */
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            XSetTransientForHint(data->display, w, None);
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        }
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    }
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    /* Tell KDE to keep fullscreen windows on top */
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    if (window->flags & SDL_WINDOW_FULLSCREEN) {
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        XEvent ev;
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        long mask;
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   343
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        SDL_zero(ev);
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        ev.xclient.type = ClientMessage;
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        ev.xclient.window = RootWindow(data->display, displaydata->screen);
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        ev.xclient.message_type =
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            XInternAtom(data->display, "KWM_KEEP_ON_TOP", False);
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        ev.xclient.format = 32;
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        ev.xclient.data.l[0] = w;
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        ev.xclient.data.l[1] = CurrentTime;
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        XSendEvent(data->display,
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                   RootWindow(data->display, displaydata->screen), False,
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                   SubstructureRedirectMask, &ev);
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    }
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    /* Set the input hints so we get keyboard input */
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    wmhints = XAllocWMHints();
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    if (wmhints) {
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        wmhints->input = True;
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        wmhints->flags = InputHint;
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        XSetWMHints(data->display, w, wmhints);
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        XFree(wmhints);
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    }
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    XSelectInput(data->display, w,
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                 (FocusChangeMask | EnterWindowMask | LeaveWindowMask |
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                  ExposureMask | ButtonPressMask | ButtonReleaseMask |
slouken@1951
   369
                  PointerMotionMask | KeyPressMask | KeyReleaseMask |
slouken@1951
   370
                  PropertyChangeMask | StructureNotifyMask |
slouken@1951
   371
                  KeymapStateMask));
slouken@1951
   372
slouken@1951
   373
    /* Set the class hints so we can get an icon (AfterStep) */
slouken@1951
   374
    classhints = XAllocClassHint();
slouken@1951
   375
    if (classhints != NULL) {
slouken@1951
   376
        classhints->res_name = data->classname;
slouken@1951
   377
        classhints->res_class = data->classname;
slouken@1951
   378
        XSetClassHint(data->display, w, classhints);
slouken@1951
   379
        XFree(classhints);
slouken@1951
   380
    }
slouken@1951
   381
slouken@1951
   382
    /* Allow the window to be deleted by the window manager */
slouken@1951
   383
    XSetWMProtocols(data->display, w, &data->WM_DELETE_WINDOW, 1);
slouken@1951
   384
slouken@1951
   385
    if (SetupWindowData(_this, window, w, SDL_TRUE) < 0) {
slouken@1952
   386
#ifdef SDL_VIDEO_OPENGL_GLX
slouken@1952
   387
        if (window->flags & SDL_WINDOW_OPENGL) {
slouken@1952
   388
            X11_GL_Shutdown(_this);
slouken@1952
   389
        }
slouken@1952
   390
#endif
slouken@1951
   391
        XDestroyWindow(data->display, w);
slouken@1951
   392
        return -1;
slouken@1951
   393
    }
slouken@1951
   394
    return 0;
slouken@1951
   395
}
slouken@1951
   396
slouken@1951
   397
int
slouken@1951
   398
X11_CreateWindowFrom(_THIS, SDL_Window * window, const void *data)
slouken@1951
   399
{
slouken@1951
   400
    Window w = (Window) data;
slouken@1951
   401
slouken@1951
   402
    /* FIXME: Query the title from the existing window */
slouken@1951
   403
slouken@1951
   404
    if (SetupWindowData(_this, window, w, SDL_FALSE) < 0) {
slouken@1951
   405
        return -1;
slouken@1951
   406
    }
slouken@1951
   407
    return 0;
slouken@1951
   408
}
slouken@1951
   409
slouken@1951
   410
void
slouken@1951
   411
X11_SetWindowTitle(_THIS, SDL_Window * window)
slouken@1951
   412
{
slouken@1951
   413
    SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
slouken@1951
   414
    Display *display = data->videodata->display;
slouken@1951
   415
    XTextProperty titleprop, iconprop;
slouken@1951
   416
    Status status;
slouken@1951
   417
    const char *title = window->title;
slouken@1951
   418
    const char *icon = NULL;
slouken@1951
   419
slouken@1951
   420
#ifdef X_HAVE_UTF8_STRING
slouken@1951
   421
    Atom _NET_WM_NAME = 0;
slouken@1951
   422
    Atom _NET_WM_ICON_NAME = 0;
slouken@1951
   423
slouken@1951
   424
    /* Look up some useful Atoms */
slouken@1951
   425
    if (SDL_X11_HAVE_UTF8) {
slouken@1951
   426
        _NET_WM_NAME = XInternAtom(display, "_NET_WM_NAME", False);
slouken@1951
   427
        _NET_WM_ICON_NAME = XInternAtom(display, "_NET_WM_ICON_NAME", False);
slouken@1951
   428
    }
slouken@1951
   429
#endif
slouken@1951
   430
slouken@1951
   431
    if (title != NULL) {
slouken@2143
   432
        char *title_locale = SDL_iconv_utf8_locale(title);
slouken@2143
   433
        if (!title_locale) {
slouken@1951
   434
            SDL_OutOfMemory();
slouken@1951
   435
            return;
slouken@1951
   436
        }
slouken@2143
   437
        status = XStringListToTextProperty(&title_locale, 1, &titleprop);
slouken@2143
   438
        SDL_free(title_locale);
slouken@1951
   439
        if (status) {
slouken@1951
   440
            XSetTextProperty(display, data->window, &titleprop, XA_WM_NAME);
slouken@1951
   441
            XFree(titleprop.value);
slouken@1951
   442
        }
slouken@1951
   443
#ifdef X_HAVE_UTF8_STRING
slouken@1951
   444
        if (SDL_X11_HAVE_UTF8) {
slouken@1951
   445
            status =
slouken@1951
   446
                Xutf8TextListToTextProperty(display, (char **) &title, 1,
slouken@1951
   447
                                            XUTF8StringStyle, &titleprop);
slouken@1951
   448
            if (status == Success) {
slouken@1951
   449
                XSetTextProperty(display, data->window, &titleprop,
slouken@1951
   450
                                 _NET_WM_NAME);
slouken@1951
   451
                XFree(titleprop.value);
slouken@1951
   452
            }
slouken@1951
   453
        }
slouken@1951
   454
#endif
slouken@1951
   455
    }
slouken@1951
   456
    if (icon != NULL) {
slouken@2143
   457
        char *icon_locale = SDL_iconv_utf8_locale(icon);
slouken@2143
   458
        if (!icon_locale) {
slouken@1951
   459
            SDL_OutOfMemory();
slouken@1951
   460
            return;
slouken@1951
   461
        }
slouken@2143
   462
        status = XStringListToTextProperty(&icon_locale, 1, &iconprop);
slouken@2143
   463
        SDL_free(icon_locale);
slouken@1951
   464
        if (status) {
slouken@1951
   465
            XSetTextProperty(display, data->window, &iconprop,
slouken@1951
   466
                             XA_WM_ICON_NAME);
slouken@1951
   467
            XFree(iconprop.value);
slouken@1951
   468
        }
slouken@1951
   469
#ifdef X_HAVE_UTF8_STRING
slouken@1951
   470
        if (SDL_X11_HAVE_UTF8) {
slouken@1951
   471
            status =
slouken@1951
   472
                Xutf8TextListToTextProperty(display, (char **) &icon, 1,
slouken@1951
   473
                                            XUTF8StringStyle, &iconprop);
slouken@1951
   474
            if (status == Success) {
slouken@1951
   475
                XSetTextProperty(display, data->window, &iconprop,
slouken@1951
   476
                                 _NET_WM_ICON_NAME);
slouken@1951
   477
                XFree(iconprop.value);
slouken@1951
   478
            }
slouken@1951
   479
        }
slouken@1951
   480
#endif
slouken@1951
   481
    }
slouken@1951
   482
}
slouken@1951
   483
slouken@1951
   484
void
slouken@1951
   485
X11_SetWindowPosition(_THIS, SDL_Window * window)
slouken@1951
   486
{
slouken@1951
   487
    SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
slouken@1951
   488
    SDL_DisplayData *displaydata =
slouken@1952
   489
        (SDL_DisplayData *) SDL_GetDisplayFromWindow(window)->driverdata;
slouken@1951
   490
    Display *display = data->videodata->display;
slouken@1951
   491
slouken@1956
   492
    XMoveWindow(display, data->window, window->x, window->y);
slouken@1951
   493
}
slouken@1951
   494
slouken@1951
   495
void
slouken@1951
   496
X11_SetWindowSize(_THIS, SDL_Window * window)
slouken@1951
   497
{
slouken@1951
   498
    SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
slouken@1951
   499
    Display *display = data->videodata->display;
slouken@1951
   500
slouken@1951
   501
    XMoveWindow(display, data->window, window->w, window->h);
slouken@1951
   502
}
slouken@1951
   503
slouken@1951
   504
void
slouken@1951
   505
X11_ShowWindow(_THIS, SDL_Window * window)
slouken@1951
   506
{
slouken@1951
   507
    SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
slouken@1951
   508
    Display *display = data->videodata->display;
slouken@1951
   509
slouken@1951
   510
    XMapRaised(display, data->window);
slouken@1951
   511
}
slouken@1951
   512
slouken@1951
   513
void
slouken@1951
   514
X11_HideWindow(_THIS, SDL_Window * window)
slouken@1951
   515
{
slouken@1951
   516
    SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
slouken@1951
   517
    Display *display = data->videodata->display;
slouken@1951
   518
slouken@1951
   519
    XUnmapWindow(display, data->window);
slouken@1951
   520
}
slouken@1951
   521
slouken@1951
   522
void
slouken@1951
   523
X11_RaiseWindow(_THIS, SDL_Window * window)
slouken@1951
   524
{
slouken@1951
   525
    SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
slouken@1951
   526
    Display *display = data->videodata->display;
slouken@1951
   527
slouken@1951
   528
    XRaiseWindow(display, data->window);
slouken@1951
   529
}
slouken@1951
   530
slouken@1951
   531
void
slouken@1951
   532
X11_MaximizeWindow(_THIS, SDL_Window * window)
slouken@1951
   533
{
slouken@1951
   534
    /* FIXME: is this even possible? */
slouken@1951
   535
}
slouken@1951
   536
slouken@1951
   537
void
slouken@1951
   538
X11_MinimizeWindow(_THIS, SDL_Window * window)
slouken@1951
   539
{
slouken@1951
   540
    X11_HideWindow(_this, window);
slouken@1951
   541
}
slouken@1951
   542
slouken@1951
   543
void
slouken@1951
   544
X11_RestoreWindow(_THIS, SDL_Window * window)
slouken@1951
   545
{
slouken@1951
   546
    X11_ShowWindow(_this, window);
slouken@1951
   547
}
slouken@1951
   548
slouken@1951
   549
void
slouken@1951
   550
X11_SetWindowGrab(_THIS, SDL_Window * window)
slouken@1951
   551
{
slouken@1951
   552
    /* FIXME */
slouken@1951
   553
}
slouken@1951
   554
slouken@1951
   555
void
slouken@1951
   556
X11_DestroyWindow(_THIS, SDL_Window * window)
slouken@1951
   557
{
slouken@1951
   558
    SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
slouken@1951
   559
slouken@1951
   560
    if (data) {
slouken@1951
   561
        Display *display = data->videodata->display;
slouken@1952
   562
#ifdef SDL_VIDEO_OPENGL_GLX
slouken@1952
   563
        if (window->flags & SDL_WINDOW_OPENGL) {
slouken@1952
   564
            X11_GL_Shutdown(_this);
slouken@1952
   565
        }
slouken@1951
   566
#endif
slouken@1951
   567
#ifdef X_HAVE_UTF8_STRING
slouken@1951
   568
        if (data->ic) {
slouken@1951
   569
            XDestroyIC(data->ic);
slouken@1951
   570
        }
slouken@1951
   571
#endif
slouken@1951
   572
        if (data->created) {
slouken@1951
   573
            XDestroyWindow(display, data->window);
slouken@1951
   574
        }
slouken@1951
   575
        SDL_free(data);
slouken@1951
   576
    }
slouken@1951
   577
}
slouken@1951
   578
slouken@1951
   579
SDL_bool
slouken@1951
   580
X11_GetWindowWMInfo(_THIS, SDL_Window * window, SDL_SysWMinfo * info)
slouken@1951
   581
{
slouken@1951
   582
    if (info->version.major <= SDL_MAJOR_VERSION) {
slouken@1951
   583
        /* FIXME! */
slouken@1951
   584
        return SDL_TRUE;
slouken@1951
   585
    } else {
slouken@1951
   586
        SDL_SetError("Application not compiled with SDL %d.%d\n",
slouken@1951
   587
                     SDL_MAJOR_VERSION, SDL_MINOR_VERSION);
slouken@1951
   588
        return SDL_FALSE;
slouken@1951
   589
    }
slouken@1951
   590
}
slouken@1951
   591
slouken@1951
   592
/* vi: set ts=4 sw=4 expandtab: */