src/video/x11/SDL_x11window.c
author Sam Lantinga <slouken@libsdl.org>
Fri, 28 Sep 2012 00:57:47 -0700
changeset 6483 4b51ff3dcf74
parent 6481 fab4b15b17e9
child 6484 b904bb684095
permissions -rw-r--r--
Only map/unmap if the window isn't already in the correct state.
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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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    if (flags & SDL_WINDOW_HIDDEN) {
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        atoms[count++] = _NET_WM_STATE_HIDDEN;
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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 _NET_WM_ACTION_RESIZE = videodata->_NET_WM_ACTION_RESIZE;
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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|SDL_WINDOW_MINIMIZED);
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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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    if (X11_IsActionAllowed(window, _NET_WM_ACTION_RESIZE)) {
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        flags |= SDL_WINDOW_RESIZABLE;
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    }
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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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#if SDL_VIDEO_OPENGL_GLX || SDL_VIDEO_OPENGL_ES || SDL_VIDEO_OPENGL_ES2
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   347
    if (window->flags & SDL_WINDOW_OPENGL) {
slouken@1952
   348
        XVisualInfo *vinfo;
slouken@1952
   349
slouken@6370
   350
#if SDL_VIDEO_OPENGL_ES || SDL_VIDEO_OPENGL_ES2        
slouken@6370
   351
        if (_this->gl_config.use_egl == 1) {
slouken@6369
   352
            vinfo = X11_GLES_GetVisual(_this, display, screen);
slouken@6369
   353
        } else
slouken@6369
   354
#endif
slouken@6369
   355
        {
slouken@6370
   356
#if SDL_VIDEO_OPENGL_GLX
slouken@6369
   357
            vinfo = X11_GL_GetVisual(_this, display, screen);
slouken@6370
   358
#endif
slouken@1952
   359
        }
slouken@3161
   360
        if (!vinfo) {
slouken@3161
   361
            return -1;
slouken@3161
   362
        }
slouken@3161
   363
        visual = vinfo->visual;
slouken@3161
   364
        depth = vinfo->depth;
slouken@3161
   365
        XFree(vinfo);
slouken@3161
   366
    } else
slouken@3161
   367
#endif
slouken@1952
   368
    {
slouken@1951
   369
        visual = displaydata->visual;
slouken@1951
   370
        depth = displaydata->depth;
slouken@1951
   371
    }
slouken@1951
   372
slouken@5386
   373
    xattr.override_redirect = False;
slouken@1951
   374
    xattr.background_pixel = 0;
slouken@1951
   375
    xattr.border_pixel = 0;
slouken@5466
   376
slouken@5466
   377
    if (visual->class == DirectColor) {
slouken@5466
   378
        XColor *colorcells;
slouken@5466
   379
        int i;
slouken@5466
   380
        int ncolors;
slouken@5466
   381
        int rmax, gmax, bmax;
slouken@5466
   382
        int rmask, gmask, bmask;
slouken@5466
   383
        int rshift, gshift, bshift;
slouken@5466
   384
slouken@5466
   385
        xattr.colormap =
slouken@5466
   386
            XCreateColormap(display, RootWindow(display, screen),
slouken@5466
   387
                            visual, AllocAll);
slouken@5466
   388
slouken@5466
   389
        /* If we can't create a colormap, then we must die */
slouken@5466
   390
        if (!xattr.colormap) {
slouken@5466
   391
            SDL_SetError("Could not create writable colormap");
slouken@5466
   392
            return -1;
slouken@5466
   393
        }
slouken@5466
   394
slouken@5466
   395
        /* OK, we got a colormap, now fill it in as best as we can */
slouken@5466
   396
        colorcells = SDL_malloc(visual->map_entries * sizeof(XColor));
slouken@5466
   397
        if (!colorcells) {
slouken@5466
   398
            SDL_OutOfMemory();
slouken@5466
   399
            return -1;
slouken@5466
   400
        }
slouken@5466
   401
        ncolors = visual->map_entries;
slouken@5466
   402
        rmax = 0xffff;
slouken@5466
   403
        gmax = 0xffff;
slouken@5466
   404
        bmax = 0xffff;
slouken@5466
   405
slouken@5466
   406
        rshift = 0;
slouken@5466
   407
        rmask = visual->red_mask;
slouken@5466
   408
        while (0 == (rmask & 1)) {
slouken@5466
   409
            rshift++;
slouken@5466
   410
            rmask >>= 1;
slouken@5466
   411
        }
slouken@5466
   412
slouken@5466
   413
        gshift = 0;
slouken@5466
   414
        gmask = visual->green_mask;
slouken@5466
   415
        while (0 == (gmask & 1)) {
slouken@5466
   416
            gshift++;
slouken@5466
   417
            gmask >>= 1;
slouken@5466
   418
        }
slouken@5466
   419
slouken@5466
   420
        bshift = 0;
slouken@5466
   421
        bmask = visual->blue_mask;
slouken@5466
   422
        while (0 == (bmask & 1)) {
slouken@5466
   423
            bshift++;
slouken@5466
   424
            bmask >>= 1;
slouken@5466
   425
        }
slouken@5466
   426
slouken@5466
   427
        /* build the color table pixel values */
slouken@5466
   428
        for (i = 0; i < ncolors; i++) {
slouken@5466
   429
            Uint32 red = (rmax * i) / (ncolors - 1);
slouken@5466
   430
            Uint32 green = (gmax * i) / (ncolors - 1);
slouken@5466
   431
            Uint32 blue = (bmax * i) / (ncolors - 1);
slouken@5466
   432
slouken@5466
   433
            Uint32 rbits = (rmask * i) / (ncolors - 1);
slouken@5466
   434
            Uint32 gbits = (gmask * i) / (ncolors - 1);
slouken@5466
   435
            Uint32 bbits = (bmask * i) / (ncolors - 1);
slouken@5466
   436
slouken@5466
   437
            Uint32 pix =
slouken@5466
   438
                (rbits << rshift) | (gbits << gshift) | (bbits << bshift);
slouken@5466
   439
slouken@5466
   440
            colorcells[i].pixel = pix;
slouken@5466
   441
slouken@5466
   442
            colorcells[i].red = red;
slouken@5466
   443
            colorcells[i].green = green;
slouken@5466
   444
            colorcells[i].blue = blue;
slouken@5466
   445
slouken@5466
   446
            colorcells[i].flags = DoRed | DoGreen | DoBlue;
slouken@5466
   447
        }
slouken@5466
   448
slouken@5466
   449
        XStoreColors(display, xattr.colormap, colorcells, ncolors);
slouken@5466
   450
slouken@5466
   451
        SDL_free(colorcells);
slouken@5466
   452
    } else {
slouken@5466
   453
        xattr.colormap =
slouken@5466
   454
            XCreateColormap(display, RootWindow(display, screen),
slouken@5466
   455
                            visual, AllocNone);
slouken@5466
   456
    }
slouken@1951
   457
slouken@5386
   458
    w = XCreateWindow(display, RootWindow(display, screen),
slouken@5386
   459
                      window->x, window->y, window->w, window->h,
slouken@5386
   460
                      0, depth, InputOutput, visual,
slouken@1951
   461
                      (CWOverrideRedirect | CWBackPixel | CWBorderPixel |
slouken@1951
   462
                       CWColormap), &xattr);
slouken@1952
   463
    if (!w) {
slouken@1952
   464
        SDL_SetError("Couldn't create window");
slouken@1952
   465
        return -1;
slouken@1952
   466
    }
slouken@6188
   467
#if SDL_VIDEO_OPENGL_ES || SDL_VIDEO_OPENGL_ES2
slouken@6373
   468
    if ((window->flags & SDL_WINDOW_OPENGL) && (_this->gl_config.use_egl == 1)) {
slouken@6373
   469
        if (!_this->gles_data) {
slouken@6373
   470
            XDestroyWindow(display, w);
slouken@6373
   471
            return -1;
slouken@6373
   472
        }
slouken@6373
   473
slouken@6188
   474
        /* Create the GLES window surface */
slouken@6188
   475
        _this->gles_data->egl_surface =
slouken@6188
   476
            _this->gles_data->eglCreateWindowSurface(_this->gles_data->
slouken@3161
   477
                                                 egl_display,
slouken@3161
   478
                                                 _this->gles_data->egl_config,
slouken@3161
   479
                                                 (NativeWindowType) w, NULL);
slouken@3161
   480
slouken@6188
   481
        if (_this->gles_data->egl_surface == EGL_NO_SURFACE) {
slouken@6188
   482
            SDL_SetError("Could not create GLES window surface");
slouken@6373
   483
            XDestroyWindow(display, w);
slouken@6188
   484
            return -1;
slouken@6188
   485
        }
slouken@3161
   486
    }
slouken@3161
   487
#endif
slouken@1951
   488
icculus@6422
   489
    SetWindowBordered(display, screen, w,
icculus@6422
   490
                      (window->flags & SDL_WINDOW_BORDERLESS) == 0);
slouken@1951
   491
urkle@6462
   492
    sizehints = XAllocSizeHints();
mail@6167
   493
    /* Setup the normal size hints */
urkle@6462
   494
    sizehints->flags = 0;
mail@6167
   495
    if (!(window->flags & SDL_WINDOW_RESIZABLE)) {
urkle@6462
   496
        sizehints->min_width = sizehints->max_width = window->w;
urkle@6462
   497
        sizehints->min_height = sizehints->max_height = window->h;
urkle@6462
   498
        sizehints->flags |= (PMaxSize | PMinSize);
slouken@1951
   499
    }
urkle@6462
   500
    sizehints->x = window->x;
urkle@6462
   501
    sizehints->y = window->y;
urkle@6462
   502
    sizehints->flags |= USPosition;
slouken@1951
   503
mail@6167
   504
    /* Setup the input hints so we get keyboard input */
urkle@6462
   505
    wmhints = XAllocWMHints();
urkle@6462
   506
    wmhints->input = True;
urkle@6462
   507
    wmhints->flags = InputHint;
mail@6167
   508
mail@6167
   509
    /* Setup the class hints so we can get an icon (AfterStep) */
urkle@6462
   510
    classhints = XAllocClassHint();
urkle@6462
   511
    classhints->res_name = data->classname;
urkle@6462
   512
    classhints->res_class = data->classname;
mail@6167
   513
mail@6167
   514
    /* Set the size, input and class hints, and define WM_CLIENT_MACHINE and WM_LOCALE_NAME */
urkle@6462
   515
    XSetWMProperties(display, w, NULL, NULL, NULL, 0, sizehints, wmhints, classhints);
mail@6167
   516
urkle@6462
   517
    XFree(sizehints);
urkle@6462
   518
    XFree(wmhints);
urkle@6462
   519
    XFree(classhints);
mail@6167
   520
    /* Set the PID related to the window for the given hostname, if possible */
mail@6167
   521
    if (data->pid > 0) {
mail@6167
   522
        _NET_WM_PID = XInternAtom(display, "_NET_WM_PID", False);
mail@6167
   523
        XChangeProperty(display, w, _NET_WM_PID, XA_CARDINAL, 32, PropModeReplace,
mail@6167
   524
                        (unsigned char *)&data->pid, 1);
slouken@1951
   525
    }
slouken@1951
   526
slouken@4522
   527
    /* Set the window manager state */
slouken@4522
   528
    wmstate_count = X11_GetWMStateProperty(_this, window, wmstate_atoms);
slouken@4522
   529
    if (wmstate_count > 0) {
slouken@4522
   530
        XChangeProperty(display, w, data->_NET_WM_STATE, XA_ATOM, 32,
slouken@4522
   531
                        PropModeReplace,
slouken@4522
   532
                        (unsigned char *)wmstate_atoms, wmstate_count);
slouken@4522
   533
    } else {
slouken@4522
   534
        XDeleteProperty(display, w, data->_NET_WM_STATE);
slouken@4518
   535
    }
slouken@4518
   536
slouken@4521
   537
    /* Let the window manager know we're a "normal" window */
slouken@4521
   538
    _NET_WM_WINDOW_TYPE = XInternAtom(display, "_NET_WM_WINDOW_TYPE", False);
slouken@4521
   539
    _NET_WM_WINDOW_TYPE_NORMAL = XInternAtom(display, "_NET_WM_WINDOW_TYPE_NORMAL", False);
slouken@4521
   540
    XChangeProperty(display, w, _NET_WM_WINDOW_TYPE, XA_ATOM, 32,
slouken@4521
   541
                    PropModeReplace,
slouken@4521
   542
                    (unsigned char *)&_NET_WM_WINDOW_TYPE_NORMAL, 1);
slouken@4521
   543
slouken@1951
   544
    /* Allow the window to be deleted by the window manager */
slouken@4521
   545
    XSetWMProtocols(display, w, &data->WM_DELETE_WINDOW, 1);
slouken@1951
   546
slouken@1951
   547
    if (SetupWindowData(_this, window, w, SDL_TRUE) < 0) {
slouken@4521
   548
        XDestroyWindow(display, w);
slouken@1951
   549
        return -1;
slouken@1951
   550
    }
slouken@5386
   551
bob@2325
   552
#ifdef X_HAVE_UTF8_STRING
icculus@6045
   553
    if (SDL_X11_HAVE_UTF8) {
bob@2325
   554
        pXGetICValues(((SDL_WindowData *) window->driverdata)->ic,
bob@2325
   555
                      XNFilterEvents, &fevent, NULL);
kazeuser@2718
   556
    }
bob@2325
   557
#endif
bob@2325
   558
dimitris@6316
   559
    X11_Xinput2SelectTouch(_this, window);
dimitris@6316
   560
icculus@6045
   561
    XSelectInput(display, w,
icculus@6045
   562
                 (FocusChangeMask | EnterWindowMask | LeaveWindowMask |
icculus@6045
   563
                 ExposureMask | ButtonPressMask | ButtonReleaseMask |
icculus@6045
   564
                 PointerMotionMask | KeyPressMask | KeyReleaseMask |
icculus@6045
   565
                 PropertyChangeMask | StructureNotifyMask |
icculus@6045
   566
                 KeymapStateMask | fevent));
icculus@6045
   567
slouken@5031
   568
    XFlush(display);
slouken@5031
   569
slouken@1951
   570
    return 0;
slouken@1951
   571
}
slouken@1951
   572
slouken@1951
   573
int
bob@2324
   574
X11_CreateWindowFrom(_THIS, SDL_Window * window, const void *data)
slouken@1951
   575
{
slouken@1951
   576
    Window w = (Window) data;
slouken@1951
   577
slouken@4518
   578
    window->title = X11_GetWindowTitle(_this, w);
slouken@1951
   579
slouken@1951
   580
    if (SetupWindowData(_this, window, w, SDL_FALSE) < 0) {
slouken@1951
   581
        return -1;
slouken@1951
   582
    }
slouken@1951
   583
    return 0;
slouken@1951
   584
}
slouken@1951
   585
slouken@4518
   586
char *
slouken@4518
   587
X11_GetWindowTitle(_THIS, Window xwindow)
slouken@4518
   588
{
slouken@4518
   589
    SDL_VideoData *data = (SDL_VideoData *) _this->driverdata;
slouken@4518
   590
    Display *display = data->display;
slouken@4518
   591
    int status, real_format;
slouken@4518
   592
    Atom real_type;
slouken@4518
   593
    unsigned long items_read, items_left;
slouken@4518
   594
    unsigned char *propdata;
slouken@4518
   595
    char *title = NULL;
slouken@4518
   596
slouken@4518
   597
    status = XGetWindowProperty(display, xwindow, data->_NET_WM_NAME,
slouken@4518
   598
                0L, 8192L, False, data->UTF8_STRING, &real_type, &real_format,
slouken@4518
   599
                &items_read, &items_left, &propdata);
icculus@6023
   600
    if (status == Success && propdata) {
slouken@4518
   601
        title = SDL_strdup(SDL_static_cast(char*, propdata));
slouken@4518
   602
        XFree(propdata);
slouken@4518
   603
    } else {
slouken@4518
   604
        status = XGetWindowProperty(display, xwindow, XA_WM_NAME,
slouken@4518
   605
                    0L, 8192L, False, XA_STRING, &real_type, &real_format,
slouken@4518
   606
                    &items_read, &items_left, &propdata);
icculus@6023
   607
        if (status == Success && propdata) {
slouken@4518
   608
            title = SDL_iconv_string("UTF-8", "", SDL_static_cast(char*, propdata), items_read+1);
slouken@4518
   609
        } else {
slouken@4518
   610
            title = SDL_strdup("");
slouken@4518
   611
        }
slouken@4518
   612
    }
slouken@4518
   613
    return title;
slouken@4518
   614
}
slouken@4518
   615
slouken@1951
   616
void
slouken@1951
   617
X11_SetWindowTitle(_THIS, SDL_Window * window)
slouken@1951
   618
{
slouken@1951
   619
    SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
slouken@1951
   620
    Display *display = data->videodata->display;
slouken@1951
   621
    XTextProperty titleprop, iconprop;
slouken@1951
   622
    Status status;
slouken@1951
   623
    const char *title = window->title;
slouken@1951
   624
    const char *icon = NULL;
slouken@1951
   625
slouken@1951
   626
#ifdef X_HAVE_UTF8_STRING
slouken@4518
   627
    Atom _NET_WM_NAME = data->videodata->_NET_WM_NAME;
slouken@4518
   628
    Atom _NET_WM_ICON_NAME = data->videodata->_NET_WM_ICON_NAME;
slouken@1951
   629
#endif
slouken@1951
   630
slouken@1951
   631
    if (title != NULL) {
slouken@2143
   632
        char *title_locale = SDL_iconv_utf8_locale(title);
slouken@2143
   633
        if (!title_locale) {
slouken@1951
   634
            SDL_OutOfMemory();
slouken@1951
   635
            return;
slouken@1951
   636
        }
slouken@2143
   637
        status = XStringListToTextProperty(&title_locale, 1, &titleprop);
slouken@2143
   638
        SDL_free(title_locale);
slouken@1951
   639
        if (status) {
slouken@3685
   640
            XSetTextProperty(display, data->xwindow, &titleprop, XA_WM_NAME);
slouken@1951
   641
            XFree(titleprop.value);
slouken@1951
   642
        }
slouken@1951
   643
#ifdef X_HAVE_UTF8_STRING
slouken@1951
   644
        if (SDL_X11_HAVE_UTF8) {
slouken@1951
   645
            status =
slouken@1951
   646
                Xutf8TextListToTextProperty(display, (char **) &title, 1,
slouken@1951
   647
                                            XUTF8StringStyle, &titleprop);
slouken@1951
   648
            if (status == Success) {
slouken@3685
   649
                XSetTextProperty(display, data->xwindow, &titleprop,
slouken@1951
   650
                                 _NET_WM_NAME);
slouken@1951
   651
                XFree(titleprop.value);
slouken@1951
   652
            }
slouken@1951
   653
        }
slouken@1951
   654
#endif
slouken@1951
   655
    }
slouken@1951
   656
    if (icon != NULL) {
slouken@2143
   657
        char *icon_locale = SDL_iconv_utf8_locale(icon);
slouken@2143
   658
        if (!icon_locale) {
slouken@1951
   659
            SDL_OutOfMemory();
slouken@1951
   660
            return;
slouken@1951
   661
        }
slouken@2143
   662
        status = XStringListToTextProperty(&icon_locale, 1, &iconprop);
slouken@2143
   663
        SDL_free(icon_locale);
slouken@1951
   664
        if (status) {
slouken@3685
   665
            XSetTextProperty(display, data->xwindow, &iconprop,
slouken@1951
   666
                             XA_WM_ICON_NAME);
slouken@1951
   667
            XFree(iconprop.value);
slouken@1951
   668
        }
slouken@1951
   669
#ifdef X_HAVE_UTF8_STRING
slouken@1951
   670
        if (SDL_X11_HAVE_UTF8) {
slouken@1951
   671
            status =
slouken@1951
   672
                Xutf8TextListToTextProperty(display, (char **) &icon, 1,
slouken@1951
   673
                                            XUTF8StringStyle, &iconprop);
slouken@1951
   674
            if (status == Success) {
slouken@3685
   675
                XSetTextProperty(display, data->xwindow, &iconprop,
slouken@1951
   676
                                 _NET_WM_ICON_NAME);
slouken@1951
   677
                XFree(iconprop.value);
slouken@1951
   678
            }
slouken@1951
   679
        }
slouken@1951
   680
#endif
slouken@1951
   681
    }
slouken@5031
   682
    XFlush(display);
slouken@1951
   683
}
slouken@1951
   684
slouken@1951
   685
void
slouken@2967
   686
X11_SetWindowIcon(_THIS, SDL_Window * window, SDL_Surface * icon)
slouken@2967
   687
{
slouken@2967
   688
    SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
slouken@2967
   689
    Display *display = data->videodata->display;
slouken@4518
   690
    Atom _NET_WM_ICON = data->videodata->_NET_WM_ICON;
slouken@2967
   691
slouken@2967
   692
    if (icon) {
slouken@2967
   693
        SDL_PixelFormat format;
slouken@2967
   694
        SDL_Surface *surface;
slouken@2967
   695
        int propsize;
slouken@4528
   696
        long *propdata;
slouken@2967
   697
slouken@2967
   698
        /* Convert the icon to ARGB for modern window managers */
slouken@5288
   699
        SDL_InitFormat(&format, SDL_PIXELFORMAT_ARGB8888);
slouken@2967
   700
        surface = SDL_ConvertSurface(icon, &format, 0);
slouken@2967
   701
        if (!surface) {
slouken@2967
   702
            return;
slouken@2967
   703
        }
slouken@2967
   704
slouken@2967
   705
        /* Set the _NET_WM_ICON property */
slouken@2990
   706
        propsize = 2 + (icon->w * icon->h);
slouken@4566
   707
        propdata = SDL_malloc(propsize * sizeof(long));
slouken@2967
   708
        if (propdata) {
slouken@4528
   709
            int x, y;
slouken@4528
   710
            Uint32 *src;
slouken@4528
   711
            long *dst;
slouken@4528
   712
slouken@2967
   713
            propdata[0] = icon->w;
slouken@2967
   714
            propdata[1] = icon->h;
slouken@4528
   715
            dst = &propdata[2];
slouken@4528
   716
            for (y = 0; y < icon->h; ++y) {
slouken@4528
   717
                src = (Uint32*)((Uint8*)surface->pixels + y * surface->pitch);
slouken@4528
   718
                for (x = 0; x < icon->w; ++x) {
slouken@4528
   719
                    *dst++ = *src++;
slouken@4528
   720
                }
slouken@4528
   721
            }
slouken@3685
   722
            XChangeProperty(display, data->xwindow, _NET_WM_ICON, XA_CARDINAL,
slouken@2990
   723
                            32, PropModeReplace, (unsigned char *) propdata,
slouken@2990
   724
                            propsize);
slouken@2967
   725
        }
slouken@2967
   726
        SDL_FreeSurface(surface);
slouken@2967
   727
    } else {
slouken@3685
   728
        XDeleteProperty(display, data->xwindow, _NET_WM_ICON);
slouken@2967
   729
    }
slouken@5031
   730
    XFlush(display);
slouken@2967
   731
}
slouken@2967
   732
slouken@2967
   733
void
slouken@1951
   734
X11_SetWindowPosition(_THIS, SDL_Window * window)
slouken@1951
   735
{
slouken@1951
   736
    SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
slouken@1951
   737
    Display *display = data->videodata->display;
slouken@1951
   738
slouken@5478
   739
    XMoveWindow(display, data->xwindow, window->x, window->y);
slouken@5031
   740
    XFlush(display);
slouken@1951
   741
}
slouken@1951
   742
slouken@1951
   743
void
slouken@1951
   744
X11_SetWindowSize(_THIS, SDL_Window * window)
slouken@1951
   745
{
slouken@1951
   746
    SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
slouken@1951
   747
    Display *display = data->videodata->display;
slouken@1951
   748
slouken@6481
   749
    if (SDL_IsShapedWindow(window)) {
eligottlieb@4782
   750
        X11_ResizeWindowShape(window);
slouken@6481
   751
    }
slouken@5531
   752
    if (!(window->flags & SDL_WINDOW_RESIZABLE)) {
slouken@5531
   753
         /* Apparently, if the X11 Window is set to a 'non-resizable' window, you cannot resize it using the XResizeWindow, thus
slouken@5531
   754
            we must set the size hints to adjust the window size.*/
slouken@5531
   755
         XSizeHints *sizehints = XAllocSizeHints();
slouken@5531
   756
         long userhints;
slouken@5531
   757
slouken@5531
   758
         XGetWMNormalHints(display, data->xwindow, sizehints, &userhints);
slouken@5531
   759
slouken@6343
   760
         sizehints->min_width = sizehints->max_width = window->w;
slouken@5531
   761
         sizehints->min_height = sizehints->max_height = window->h;
slouken@5531
   762
slouken@5531
   763
         XSetWMNormalHints(display, data->xwindow, sizehints);
slouken@5531
   764
slouken@5531
   765
         XFree(sizehints);
slouken@6481
   766
    } else {
slouken@5531
   767
        XResizeWindow(display, data->xwindow, window->w, window->h);
slouken@6481
   768
    }
slouken@5031
   769
    XFlush(display);
slouken@1951
   770
}
slouken@1951
   771
icculus@6422
   772
void
icculus@6422
   773
X11_SetWindowBordered(_THIS, SDL_Window * window, SDL_bool bordered)
icculus@6422
   774
{
icculus@6423
   775
    const SDL_bool focused = ((window->flags & SDL_WINDOW_INPUT_FOCUS) != 0);
icculus@6423
   776
    const SDL_bool visible = ((window->flags & SDL_WINDOW_HIDDEN) == 0);
icculus@6422
   777
    SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
icculus@6422
   778
    SDL_DisplayData *displaydata =
icculus@6422
   779
        (SDL_DisplayData *) SDL_GetDisplayForWindow(window)->driverdata;
icculus@6422
   780
    Display *display = data->videodata->display;
icculus@6422
   781
    XEvent event;
icculus@6422
   782
icculus@6422
   783
    SetWindowBordered(display, displaydata->screen, data->xwindow, bordered);
icculus@6423
   784
    XFlush(display);
icculus@6422
   785
    XIfEvent(display, &event, &isConfigureNotify, (XPointer)&data->xwindow);
icculus@6422
   786
icculus@6423
   787
    if (visible) {
icculus@6423
   788
        XWindowAttributes attr;
icculus@6423
   789
        do {
icculus@6423
   790
            XSync(display, False);
icculus@6423
   791
            XGetWindowAttributes(display, data->xwindow, &attr);
icculus@6423
   792
        } while (attr.map_state != IsViewable);
icculus@6423
   793
icculus@6423
   794
        if (focused) {
icculus@6423
   795
            XSetInputFocus(display, data->xwindow, RevertToParent, CurrentTime);
icculus@6423
   796
        }
icculus@6423
   797
    }
icculus@6423
   798
icculus@6422
   799
    /* make sure these don't make it to the real event queue if they fired here. */
icculus@6423
   800
    XSync(display, False);
icculus@6423
   801
    XCheckIfEvent(display, &event, &isUnmapNotify, (XPointer)&data->xwindow);
icculus@6423
   802
    XCheckIfEvent(display, &event, &isMapNotify, (XPointer)&data->xwindow);
icculus@6422
   803
}
slouken@6336
   804
slouken@1951
   805
void
slouken@1951
   806
X11_ShowWindow(_THIS, SDL_Window * window)
slouken@1951
   807
{
slouken@1951
   808
    SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
slouken@1951
   809
    Display *display = data->videodata->display;
slouken@6336
   810
    XEvent event;
slouken@1951
   811
slouken@6483
   812
    if (!X11_IsWindowMapped(_this, window)) {
slouken@6483
   813
        XMapRaised(display, data->xwindow);
slouken@6483
   814
        /* Blocking wait for "MapNotify" event.
slouken@6483
   815
         * We use XIfEvent because XWindowEvent takes a mask rather than a type, 
slouken@6483
   816
         * and XCheckTypedWindowEvent doesn't block */
slouken@6483
   817
        XIfEvent(display, &event, &isMapNotify, (XPointer)&data->xwindow);
slouken@6483
   818
        XFlush(display);
slouken@6483
   819
    }
slouken@1951
   820
}
slouken@1951
   821
slouken@1951
   822
void
slouken@1951
   823
X11_HideWindow(_THIS, SDL_Window * window)
slouken@1951
   824
{
slouken@1951
   825
    SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
slouken@1951
   826
    Display *display = data->videodata->display;
slouken@6336
   827
    XEvent event;
slouken@1951
   828
slouken@6483
   829
    if (X11_IsWindowMapped(_this, window)) {
slouken@6483
   830
        XUnmapWindow(display, data->xwindow);
slouken@6483
   831
        /* Blocking wait for "UnmapNotify" event */
slouken@6483
   832
        XIfEvent(display, &event, &isUnmapNotify, (XPointer)&data->xwindow);    
slouken@6483
   833
        XFlush(display);
slouken@6483
   834
    }
slouken@1951
   835
}
slouken@1951
   836
slouken@1951
   837
void
slouken@1951
   838
X11_RaiseWindow(_THIS, SDL_Window * window)
slouken@1951
   839
{
slouken@1951
   840
    SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
slouken@1951
   841
    Display *display = data->videodata->display;
slouken@1951
   842
slouken@3685
   843
    XRaiseWindow(display, data->xwindow);
slouken@5031
   844
    XFlush(display);
slouken@1951
   845
}
slouken@1951
   846
slouken@3077
   847
static void
slouken@5302
   848
SetWindowMaximized(_THIS, SDL_Window * window, SDL_bool maximized)
slouken@3077
   849
{
slouken@3077
   850
    SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
slouken@3077
   851
    SDL_DisplayData *displaydata =
slouken@5246
   852
        (SDL_DisplayData *) SDL_GetDisplayForWindow(window)->driverdata;
slouken@3077
   853
    Display *display = data->videodata->display;
slouken@4518
   854
    Atom _NET_WM_STATE = data->videodata->_NET_WM_STATE;
slouken@4518
   855
    Atom _NET_WM_STATE_MAXIMIZED_VERT = data->videodata->_NET_WM_STATE_MAXIMIZED_VERT;
slouken@4518
   856
    Atom _NET_WM_STATE_MAXIMIZED_HORZ = data->videodata->_NET_WM_STATE_MAXIMIZED_HORZ;
slouken@3077
   857
slouken@4522
   858
    if (X11_IsWindowMapped(_this, window)) {
slouken@4522
   859
        XEvent e;
slouken@3077
   860
slouken@4524
   861
        SDL_zero(e);
slouken@4522
   862
        e.xany.type = ClientMessage;
slouken@4522
   863
        e.xclient.message_type = _NET_WM_STATE;
slouken@4522
   864
        e.xclient.format = 32;
slouken@4522
   865
        e.xclient.window = data->xwindow;
slouken@4522
   866
        e.xclient.data.l[0] =
slouken@4522
   867
            maximized ? _NET_WM_STATE_ADD : _NET_WM_STATE_REMOVE;
slouken@4522
   868
        e.xclient.data.l[1] = _NET_WM_STATE_MAXIMIZED_VERT;
slouken@4522
   869
        e.xclient.data.l[2] = _NET_WM_STATE_MAXIMIZED_HORZ;
slouken@4522
   870
        e.xclient.data.l[3] = 0l;
slouken@4522
   871
slouken@4522
   872
        XSendEvent(display, RootWindow(display, displaydata->screen), 0,
slouken@4522
   873
                   SubstructureNotifyMask | SubstructureRedirectMask, &e);
slouken@4522
   874
    } else {
slouken@6481
   875
        int count;
slouken@6481
   876
        Uint32 flags;
slouken@6481
   877
        Atom atoms[5];
slouken@4522
   878
slouken@6481
   879
        flags = window->flags;
slouken@6481
   880
        if (maximized) {
slouken@6481
   881
            flags |= SDL_WINDOW_MAXIMIZED;
slouken@6481
   882
        } else {
slouken@6481
   883
            flags &= ~SDL_WINDOW_MAXIMIZED;
slouken@4522
   884
        }
slouken@6481
   885
        count = X11_GetWMStateProperty(_this, flags, atoms);
slouken@4522
   886
        if (count > 0) {
slouken@4522
   887
            XChangeProperty(display, data->xwindow, _NET_WM_STATE, XA_ATOM, 32,
slouken@4522
   888
                            PropModeReplace, (unsigned char *)atoms, count);
slouken@4522
   889
        } else {
slouken@4522
   890
            XDeleteProperty(display, data->xwindow, _NET_WM_STATE);
slouken@4522
   891
        }
slouken@4522
   892
    }
slouken@5031
   893
    XFlush(display);
slouken@3077
   894
}
slouken@3077
   895
slouken@1951
   896
void
slouken@1951
   897
X11_MaximizeWindow(_THIS, SDL_Window * window)
slouken@1951
   898
{
slouken@5302
   899
    SetWindowMaximized(_this, window, SDL_TRUE);
slouken@1951
   900
}
slouken@1951
   901
slouken@1951
   902
void
slouken@1951
   903
X11_MinimizeWindow(_THIS, SDL_Window * window)
slouken@1951
   904
{
slouken@4518
   905
    SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
slouken@4518
   906
    SDL_DisplayData *displaydata =
slouken@5246
   907
        (SDL_DisplayData *) SDL_GetDisplayForWindow(window)->driverdata;
slouken@4518
   908
    Display *display = data->videodata->display;
slouken@4518
   909
 
slouken@4518
   910
    XIconifyWindow(display, data->xwindow, displaydata->screen);
slouken@5031
   911
    XFlush(display);
slouken@1951
   912
}
slouken@1951
   913
slouken@1951
   914
void
slouken@1951
   915
X11_RestoreWindow(_THIS, SDL_Window * window)
slouken@1951
   916
{
slouken@5302
   917
    SetWindowMaximized(_this, window, SDL_FALSE);
slouken@1951
   918
    X11_ShowWindow(_this, window);
slouken@1951
   919
}
slouken@1951
   920
icculus@6467
   921
/* This asks the Window Manager to handle fullscreen for us. Most don't do it right, though. */
icculus@6467
   922
static void
icculus@6467
   923
X11_SetWindowFullscreenViaWM(_THIS, SDL_Window * window, SDL_VideoDisplay * _display, SDL_bool fullscreen)
slouken@5302
   924
{
slouken@5302
   925
    SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
slouken@5305
   926
    SDL_DisplayData *displaydata = (SDL_DisplayData *) _display->driverdata;
slouken@5302
   927
    Display *display = data->videodata->display;
slouken@5302
   928
    Atom _NET_WM_STATE = data->videodata->_NET_WM_STATE;
slouken@5302
   929
    Atom _NET_WM_STATE_FULLSCREEN = data->videodata->_NET_WM_STATE_FULLSCREEN;
slouken@6481
   930
    Atom _NET_WM_ACTION_FULLSCREEN = data->videodata->_NET_WM_ACTION_FULLSCREEN;
slouken@5302
   931
slouken@5302
   932
    if (X11_IsWindowMapped(_this, window)) {
slouken@5302
   933
        XEvent e;
slouken@5302
   934
slouken@6481
   935
        if (!X11_IsActionAllowed(window, _NET_WM_ACTION_FULLSCREEN)) {
icculus@6466
   936
            /* We aren't allowed to go into fullscreen mode... */
icculus@6466
   937
            if ((window->flags & SDL_WINDOW_RESIZABLE) == 0) {
icculus@6466
   938
                /* ...and we aren't resizable. Compiz refuses fullscreen toggle in this case. */
icculus@6466
   939
                XSizeHints *sizehints = XAllocSizeHints();
icculus@6466
   940
                long flags = 0;
icculus@6466
   941
                XGetWMNormalHints(display, data->xwindow, sizehints, &flags);
icculus@6466
   942
                /* set the resize flags on */
icculus@6466
   943
                sizehints->flags |= PMinSize | PMaxSize;
icculus@6466
   944
                if (fullscreen) {
icculus@6466
   945
                    /* we are going fullscreen so turn the flags off */
icculus@6466
   946
                    sizehints->flags ^= (PMinSize | PMaxSize);
icculus@6466
   947
                } else {
icculus@6466
   948
                    /* Reset the min/max width height to make the window non-resizable again */
icculus@6466
   949
                    sizehints->min_width = sizehints->max_width = window->w;
icculus@6466
   950
                    sizehints->min_height = sizehints->max_height = window->h;
icculus@6466
   951
                }
icculus@6466
   952
                XSetWMNormalHints(display, data->xwindow, sizehints);
icculus@6466
   953
                XFree(sizehints);
icculus@6466
   954
            }
icculus@6466
   955
        }
icculus@6466
   956
        
slouken@5302
   957
        SDL_zero(e);
slouken@5302
   958
        e.xany.type = ClientMessage;
slouken@5302
   959
        e.xclient.message_type = _NET_WM_STATE;
slouken@5302
   960
        e.xclient.format = 32;
slouken@5302
   961
        e.xclient.window = data->xwindow;
slouken@5302
   962
        e.xclient.data.l[0] =
slouken@5302
   963
            fullscreen ? _NET_WM_STATE_ADD : _NET_WM_STATE_REMOVE;
slouken@5302
   964
        e.xclient.data.l[1] = _NET_WM_STATE_FULLSCREEN;
slouken@5302
   965
        e.xclient.data.l[3] = 0l;
slouken@5302
   966
slouken@5302
   967
        XSendEvent(display, RootWindow(display, displaydata->screen), 0,
slouken@5302
   968
                   SubstructureNotifyMask | SubstructureRedirectMask, &e);
slouken@5302
   969
    } else {
slouken@6481
   970
        int count;
slouken@6481
   971
        Uint32 flags;
slouken@6481
   972
        Atom atoms[5];
slouken@5302
   973
slouken@6481
   974
        flags = window->flags;
slouken@5302
   975
        if (fullscreen) {
slouken@6481
   976
            flags |= SDL_WINDOW_FULLSCREEN;
slouken@6481
   977
        } else {
slouken@6481
   978
            flags &= ~SDL_WINDOW_FULLSCREEN;
slouken@5302
   979
        }
slouken@6481
   980
        count = X11_GetWMStateProperty(_this, flags, atoms);
slouken@5302
   981
        if (count > 0) {
slouken@5302
   982
            XChangeProperty(display, data->xwindow, _NET_WM_STATE, XA_ATOM, 32,
slouken@5302
   983
                            PropModeReplace, (unsigned char *)atoms, count);
slouken@5302
   984
        } else {
slouken@5302
   985
            XDeleteProperty(display, data->xwindow, _NET_WM_STATE);
slouken@5302
   986
        }
slouken@5302
   987
    }
slouken@5302
   988
    XFlush(display);
slouken@5302
   989
}
slouken@5302
   990
icculus@6467
   991
static __inline__ int
icculus@6467
   992
maxint(const int a, const int b)
icculus@6467
   993
{
icculus@6467
   994
    return (a > b ? a : b);
icculus@6467
   995
}
icculus@6467
   996
icculus@6467
   997
icculus@6467
   998
/* This handles fullscreen itself, outside the Window Manager. */
icculus@6467
   999
static void
icculus@6467
  1000
X11_BeginWindowFullscreenLegacy(_THIS, SDL_Window * window, SDL_VideoDisplay * _display)
icculus@6467
  1001
{
icculus@6467
  1002
    SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
icculus@6467
  1003
    SDL_DisplayData *displaydata = (SDL_DisplayData *) _display->driverdata;
icculus@6467
  1004
    Visual *visual = data->visual;
icculus@6467
  1005
    Display *display = data->videodata->display;
icculus@6467
  1006
    const int screen = displaydata->screen;
icculus@6467
  1007
    Window root = RootWindow(display, screen);
icculus@6467
  1008
    const int def_vis = (visual == DefaultVisual(display, screen));
icculus@6467
  1009
    unsigned long xattrmask = 0;
icculus@6467
  1010
    XSetWindowAttributes xattr;
icculus@6467
  1011
    XEvent ev;
slouken@6475
  1012
    SDL_Rect rect;
icculus@6467
  1013
icculus@6467
  1014
    if ( data->fswindow ) {
icculus@6467
  1015
        return;  /* already fullscreen, I hope. */
icculus@6467
  1016
    }
icculus@6467
  1017
slouken@6475
  1018
    X11_GetDisplayBounds(_this, _display, &rect);
slouken@6475
  1019
icculus@6467
  1020
    SDL_zero(xattr);
icculus@6467
  1021
    xattr.override_redirect = True;
icculus@6467
  1022
    xattrmask |= CWOverrideRedirect;
icculus@6467
  1023
    xattr.background_pixel = def_vis ? BlackPixel(display, screen) : 0;
icculus@6467
  1024
    xattrmask |= CWBackPixel;
icculus@6467
  1025
    xattr.border_pixel = 0;
icculus@6467
  1026
    xattrmask |= CWBorderPixel;
icculus@6467
  1027
    xattr.colormap = data->colormap;
icculus@6467
  1028
    xattrmask |= CWColormap;
icculus@6467
  1029
slouken@6475
  1030
    data->fswindow = XCreateWindow(display, root,
slouken@6475
  1031
                                   rect.x, rect.y, rect.w, rect.h, 0,
icculus@6467
  1032
                                   displaydata->depth, InputOutput,
icculus@6467
  1033
                                   visual, xattrmask, &xattr);
icculus@6467
  1034
icculus@6467
  1035
    XSelectInput(display, data->fswindow, StructureNotifyMask);
icculus@6467
  1036
    XSetWindowBackground(display, data->fswindow, 0);
icculus@6467
  1037
    XClearWindow(display, data->fswindow);
slouken@6480
  1038
    XMapRaised(display, data->fswindow);
icculus@6467
  1039
slouken@6480
  1040
    /* Make sure the fswindow is in view by warping mouse to the corner */
slouken@6480
  1041
    XWarpPointer(display, None, root, 0, 0, 0, 0, rect.x, rect.y);
icculus@6467
  1042
icculus@6467
  1043
    /* Wait to be mapped, filter Unmap event out if it arrives. */
icculus@6467
  1044
    XIfEvent(display, &ev, &isMapNotify, (XPointer)&data->fswindow);
icculus@6467
  1045
    XCheckIfEvent(display, &ev, &isUnmapNotify, (XPointer)&data->fswindow);
icculus@6467
  1046
icculus@6467
  1047
#if SDL_VIDEO_DRIVER_X11_XVIDMODE
icculus@6467
  1048
    if ( displaydata->use_vidmode ) {
icculus@6467
  1049
        XF86VidModeLockModeSwitch(display, screen, True);
icculus@6467
  1050
    }
icculus@6467
  1051
#endif
icculus@6467
  1052
    XInstallColormap(display, data->colormap);
icculus@6467
  1053
icculus@6467
  1054
    SetWindowBordered(display, displaydata->screen, data->xwindow, SDL_FALSE);
icculus@6467
  1055
icculus@6467
  1056
    /* Center actual window within our cover-the-screen window. */
slouken@6475
  1057
    rect.x += (rect.w - window->w) / 2;
slouken@6475
  1058
    rect.y += (rect.h - window->h) / 2;
slouken@6475
  1059
    XReparentWindow(display, data->xwindow, data->fswindow, rect.x, rect.y);
icculus@6467
  1060
icculus@6467
  1061
    /* Center mouse in the window. */
slouken@6475
  1062
    rect.x += (window->w / 2);
slouken@6475
  1063
    rect.y += (window->h / 2);
slouken@6475
  1064
    XWarpPointer(display, None, root, 0, 0, 0, 0, rect.x, rect.y);
icculus@6467
  1065
icculus@6467
  1066
    /* Wait to be mapped, filter Unmap event out if it arrives. */
icculus@6467
  1067
    XIfEvent(display, &ev, &isMapNotify, (XPointer)&data->xwindow);
slouken@6480
  1068
    XCheckIfEvent(display, &ev, &isUnmapNotify, (XPointer)&data->xwindow);
icculus@6467
  1069
slouken@6480
  1070
    /* Set the input focus because we're about to grab input */
icculus@6467
  1071
    window->flags |= SDL_WINDOW_INPUT_FOCUS;
icculus@6467
  1072
    SDL_SetKeyboardFocus(data->window);
icculus@6467
  1073
icculus@6467
  1074
    X11_SetWindowGrab(_this, window);
icculus@6467
  1075
}
icculus@6467
  1076
icculus@6467
  1077
static void
icculus@6467
  1078
X11_EndWindowFullscreenLegacy(_THIS, SDL_Window * window, SDL_VideoDisplay * _display)
icculus@6467
  1079
{
icculus@6467
  1080
    SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
icculus@6467
  1081
    SDL_DisplayData *displaydata = (SDL_DisplayData *) _display->driverdata;
icculus@6467
  1082
    Display *display = data->videodata->display;
icculus@6467
  1083
    const int screen = displaydata->screen;
icculus@6467
  1084
    Window root = RootWindow(display, screen);
slouken@6480
  1085
    Window fswindow = data->fswindow;
icculus@6467
  1086
    XEvent ev;
icculus@6467
  1087
slouken@6480
  1088
    if (!data->fswindow) {
icculus@6467
  1089
        return;  /* already not fullscreen, I hope. */
slouken@6480
  1090
    }
icculus@6467
  1091
slouken@6480
  1092
    data->fswindow = None;
icculus@6467
  1093
icculus@6467
  1094
#if SDL_VIDEO_DRIVER_X11_VIDMODE
icculus@6467
  1095
    if ( displaydata->use_vidmode ) {
icculus@6467
  1096
        XF86VidModeLockModeSwitch(display, screen, False);
icculus@6467
  1097
    }
icculus@6467
  1098
#endif
icculus@6467
  1099
slouken@6480
  1100
    X11_SetWindowGrab(_this, window);
icculus@6467
  1101
slouken@6480
  1102
    XReparentWindow(display, data->xwindow, root, window->x, window->y);
slouken@6480
  1103
slouken@6480
  1104
    /* flush these events so they don't confuse normal event handling */
icculus@6467
  1105
    XIfEvent(display, &ev, &isUnmapNotify, (XPointer)&data->xwindow);
icculus@6467
  1106
    XIfEvent(display, &ev, &isMapNotify, (XPointer)&data->xwindow);
icculus@6467
  1107
icculus@6467
  1108
    SetWindowBordered(display, screen, data->xwindow,
icculus@6467
  1109
                      (window->flags & SDL_WINDOW_BORDERLESS) == 0);
icculus@6467
  1110
slouken@6480
  1111
    XUnmapWindow(display, fswindow);
slouken@6480
  1112
slouken@6480
  1113
    /* Wait to be unmapped. */
slouken@6480
  1114
    XIfEvent(display, &ev, &isUnmapNotify, (XPointer)&fswindow);
slouken@6480
  1115
    XDestroyWindow(display, fswindow);
icculus@6467
  1116
}
icculus@6467
  1117
icculus@6467
  1118
icculus@6467
  1119
void
icculus@6467
  1120
X11_SetWindowFullscreen(_THIS, SDL_Window * window, SDL_VideoDisplay * _display, SDL_bool fullscreen)
icculus@6467
  1121
{
icculus@6467
  1122
    /* !!! FIXME: SDL_Hint? */
icculus@6467
  1123
    SDL_bool legacy = SDL_FALSE;
icculus@6467
  1124
    const char *env = SDL_getenv("SDL_VIDEO_X11_LEGACY_FULLSCREEN");
icculus@6467
  1125
    if (env) {
icculus@6467
  1126
        legacy = SDL_atoi(env);
icculus@6467
  1127
    } else {
slouken@6473
  1128
        SDL_VideoData *videodata = (SDL_VideoData *) _this->driverdata;
icculus@6467
  1129
        SDL_DisplayData *displaydata = (SDL_DisplayData *) _display->driverdata;
icculus@6467
  1130
        if ( displaydata->use_vidmode ) {
icculus@6467
  1131
            legacy = SDL_TRUE;  /* the new stuff only works with XRandR. */
slouken@6473
  1132
        } else if ( !videodata->net_wm ) {
slouken@6473
  1133
            legacy = SDL_TRUE;  /* The window manager doesn't support it */
icculus@6467
  1134
        } else {
icculus@6467
  1135
            /* !!! FIXME: look at the window manager name, and blacklist certain ones? */
icculus@6467
  1136
            /* http://stackoverflow.com/questions/758648/find-the-name-of-the-x-window-manager */
icculus@6467
  1137
            legacy = SDL_FALSE;  /* try the new way. */
icculus@6467
  1138
        }
icculus@6467
  1139
    }
icculus@6467
  1140
icculus@6467
  1141
    if (legacy) {
icculus@6467
  1142
        if (fullscreen) {
icculus@6467
  1143
            X11_BeginWindowFullscreenLegacy(_this, window, _display);
icculus@6467
  1144
        } else {
icculus@6467
  1145
            X11_EndWindowFullscreenLegacy(_this, window, _display);
icculus@6467
  1146
        }
icculus@6467
  1147
    } else {
icculus@6467
  1148
        X11_SetWindowFullscreenViaWM(_this, window, _display, fullscreen);
icculus@6467
  1149
    }
icculus@6467
  1150
}
icculus@6467
  1151
icculus@6467
  1152
slouken@5466
  1153
int
slouken@5466
  1154
X11_SetWindowGammaRamp(_THIS, SDL_Window * window, const Uint16 * ramp)
slouken@5466
  1155
{
slouken@5466
  1156
    SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
slouken@5466
  1157
    Display *display = data->videodata->display;
slouken@5466
  1158
    Visual *visual = data->visual;
slouken@5466
  1159
    Colormap colormap = data->colormap;
slouken@5466
  1160
    XColor *colorcells;
slouken@5466
  1161
    int ncolors;
slouken@5466
  1162
    int rmask, gmask, bmask;
slouken@5466
  1163
    int rshift, gshift, bshift;
icculus@5981
  1164
    int i;
slouken@5466
  1165
slouken@5466
  1166
    if (visual->class != DirectColor) {
slouken@5466
  1167
        SDL_SetError("Window doesn't have DirectColor visual");
slouken@5466
  1168
        return -1;
slouken@5466
  1169
    }
slouken@5466
  1170
slouken@5466
  1171
    ncolors = visual->map_entries;
slouken@5466
  1172
    colorcells = SDL_malloc(ncolors * sizeof(XColor));
slouken@5466
  1173
    if (!colorcells) {
slouken@5466
  1174
        SDL_OutOfMemory();
slouken@5466
  1175
        return -1;
slouken@5466
  1176
    }
slouken@5466
  1177
slouken@5466
  1178
    rshift = 0;
slouken@5466
  1179
    rmask = visual->red_mask;
slouken@5466
  1180
    while (0 == (rmask & 1)) {
slouken@5466
  1181
        rshift++;
slouken@5466
  1182
        rmask >>= 1;
slouken@5466
  1183
    }
slouken@5466
  1184
slouken@5466
  1185
    gshift = 0;
slouken@5466
  1186
    gmask = visual->green_mask;
slouken@5466
  1187
    while (0 == (gmask & 1)) {
slouken@5466
  1188
        gshift++;
slouken@5466
  1189
        gmask >>= 1;
slouken@5466
  1190
    }
slouken@5466
  1191
slouken@5466
  1192
    bshift = 0;
slouken@5466
  1193
    bmask = visual->blue_mask;
slouken@5466
  1194
    while (0 == (bmask & 1)) {
slouken@5466
  1195
        bshift++;
slouken@5466
  1196
        bmask >>= 1;
slouken@5466
  1197
    }
slouken@5466
  1198
slouken@5466
  1199
    /* build the color table pixel values */
slouken@5466
  1200
    for (i = 0; i < ncolors; i++) {
slouken@5466
  1201
        Uint32 rbits = (rmask * i) / (ncolors - 1);
slouken@5466
  1202
        Uint32 gbits = (gmask * i) / (ncolors - 1);
slouken@5466
  1203
        Uint32 bbits = (bmask * i) / (ncolors - 1);
slouken@5466
  1204
        Uint32 pix = (rbits << rshift) | (gbits << gshift) | (bbits << bshift);
slouken@5466
  1205
slouken@5466
  1206
        colorcells[i].pixel = pix;
slouken@5466
  1207
slouken@5466
  1208
        colorcells[i].red = ramp[(0 * 256) + i];
slouken@5466
  1209
        colorcells[i].green = ramp[(1 * 256) + i];
slouken@5466
  1210
        colorcells[i].blue = ramp[(2 * 256) + i];
slouken@5466
  1211
slouken@5466
  1212
        colorcells[i].flags = DoRed | DoGreen | DoBlue;
slouken@5466
  1213
    }
slouken@5466
  1214
slouken@5466
  1215
    XStoreColors(display, colormap, colorcells, ncolors);
slouken@5466
  1216
    XFlush(display);
slouken@5466
  1217
    SDL_free(colorcells);
slouken@5466
  1218
slouken@5466
  1219
    return 0;
slouken@5466
  1220
}
slouken@5466
  1221
slouken@5302
  1222
void
slouken@1951
  1223
X11_SetWindowGrab(_THIS, SDL_Window * window)
slouken@1951
  1224
{
slouken@2875
  1225
    SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
slouken@2875
  1226
    Display *display = data->videodata->display;
slouken@4518
  1227
    SDL_bool oldstyle_fullscreen;
slouken@2875
  1228
slouken@4518
  1229
    /* ICCCM2.0-compliant window managers can handle fullscreen windows */
icculus@6467
  1230
    oldstyle_fullscreen = X11_IsWindowLegacyFullscreen(_this, window);
slouken@4518
  1231
slouken@4518
  1232
    if (((window->flags & SDL_WINDOW_INPUT_GRABBED) || oldstyle_fullscreen)
slouken@2876
  1233
        && (window->flags & SDL_WINDOW_INPUT_FOCUS)) {
slouken@6480
  1234
        XEvent ev;
slouken@6480
  1235
slouken@2875
  1236
        /* Try to grab the mouse */
slouken@2876
  1237
        for (;;) {
slouken@2876
  1238
            int result =
slouken@3685
  1239
                XGrabPointer(display, data->xwindow, True, 0, GrabModeAsync,
slouken@3685
  1240
                             GrabModeAsync, data->xwindow, None, CurrentTime);
slouken@2876
  1241
            if (result == GrabSuccess) {
slouken@2875
  1242
                break;
slouken@2875
  1243
            }
slouken@2875
  1244
            SDL_Delay(100);
slouken@2875
  1245
        }
slouken@2875
  1246
slouken@2875
  1247
        /* Raise the window if we grab the mouse */
slouken@3685
  1248
        XRaiseWindow(display, data->xwindow);
slouken@2875
  1249
slouken@2875
  1250
        /* Now grab the keyboard */
slouken@3685
  1251
        XGrabKeyboard(display, data->xwindow, True, GrabModeAsync,
slouken@2876
  1252
                      GrabModeAsync, CurrentTime);
slouken@6480
  1253
slouken@6480
  1254
        /* flush these events so they don't confuse normal event handling */
slouken@6480
  1255
        XSync(display, False);
slouken@6480
  1256
        XIfEvent(display, &ev, &isFocusIn, (XPointer)&data->xwindow);
slouken@6480
  1257
        XIfEvent(display, &ev, &isFocusOut, (XPointer)&data->xwindow);
slouken@2875
  1258
    } else {
slouken@2875
  1259
        XUngrabPointer(display, CurrentTime);
slouken@2875
  1260
        XUngrabKeyboard(display, CurrentTime);
slouken@2875
  1261
    }
slouken@1951
  1262
}
slouken@1951
  1263
slouken@1951
  1264
void
slouken@1951
  1265
X11_DestroyWindow(_THIS, SDL_Window * window)
slouken@1951
  1266
{
slouken@1951
  1267
    SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
bob@2323
  1268
    window->driverdata = NULL;
slouken@1951
  1269
slouken@1951
  1270
    if (data) {
bob@2323
  1271
        SDL_VideoData *videodata = (SDL_VideoData *) data->videodata;
bob@2323
  1272
        Display *display = videodata->display;
bob@2323
  1273
        int numwindows = videodata->numwindows;
bob@2323
  1274
        SDL_WindowData **windowlist = videodata->windowlist;
bob@2323
  1275
        int i;
bob@2323
  1276
bob@2323
  1277
        if (windowlist) {
bob@2324
  1278
            for (i = 0; i < numwindows; ++i) {
slouken@3685
  1279
                if (windowlist[i] && (windowlist[i]->window == window)) {
bob@2324
  1280
                    windowlist[i] = windowlist[numwindows - 1];
bob@2324
  1281
                    windowlist[numwindows - 1] = NULL;
bob@2324
  1282
                    videodata->numwindows--;
bob@2324
  1283
                    break;
bob@2324
  1284
                }
bob@2323
  1285
            }
bob@2323
  1286
        }
slouken@1951
  1287
#ifdef X_HAVE_UTF8_STRING
slouken@1951
  1288
        if (data->ic) {
slouken@1951
  1289
            XDestroyIC(data->ic);
slouken@1951
  1290
        }
slouken@1951
  1291
#endif
slouken@1951
  1292
        if (data->created) {
slouken@3685
  1293
            XDestroyWindow(display, data->xwindow);
slouken@5031
  1294
            XFlush(display);
slouken@1951
  1295
        }
slouken@1951
  1296
        SDL_free(data);
slouken@1951
  1297
    }
slouken@1951
  1298
}
slouken@1951
  1299
slouken@1951
  1300
SDL_bool
slouken@1951
  1301
X11_GetWindowWMInfo(_THIS, SDL_Window * window, SDL_SysWMinfo * info)
slouken@1951
  1302
{
slouken@4510
  1303
    SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
slouken@4510
  1304
    Display *display = data->videodata->display;
slouken@4510
  1305
slouken@4510
  1306
    if (info->version.major == SDL_MAJOR_VERSION &&
slouken@4510
  1307
        info->version.minor == SDL_MINOR_VERSION) {
slouken@4510
  1308
        info->subsystem = SDL_SYSWM_X11;
slouken@5056
  1309
        info->info.x11.display = display;
slouken@5056
  1310
        info->info.x11.window = data->xwindow;
slouken@1951
  1311
        return SDL_TRUE;
slouken@1951
  1312
    } else {
slouken@1951
  1313
        SDL_SetError("Application not compiled with SDL %d.%d\n",
slouken@1951
  1314
                     SDL_MAJOR_VERSION, SDL_MINOR_VERSION);
slouken@1951
  1315
        return SDL_FALSE;
slouken@1951
  1316
    }
slouken@1951
  1317
}
slouken@1951
  1318
slouken@5481
  1319
#endif /* SDL_VIDEO_DRIVER_X11 */
slouken@5481
  1320
slouken@1951
  1321
/* vi: set ts=4 sw=4 expandtab: */