예제 #1
0
/* Create and set up our X11 dialog box indow. */
static int
X11_MessageBoxCreateWindow( SDL_MessageBoxDataX11 *data )
{
    int x, y;
    XSizeHints *sizehints;
    XSetWindowAttributes wnd_attr;
    Atom _NET_WM_WINDOW_TYPE, _NET_WM_WINDOW_TYPE_DIALOG, _NET_WM_NAME, UTF8_STRING;
    Display *display = data->display;
    SDL_WindowData *windowdata = NULL;
    const SDL_MessageBoxData *messageboxdata = data->messageboxdata;

    if ( messageboxdata->window ) {
        SDL_DisplayData *displaydata =
            (SDL_DisplayData *) SDL_GetDisplayForWindow(messageboxdata->window)->driverdata;
        windowdata = (SDL_WindowData *)messageboxdata->window->driverdata;
        data->screen = displaydata->screen;
    } else {
        data->screen = DefaultScreen( display );
    }

    data->event_mask = ExposureMask |
                       ButtonPressMask | ButtonReleaseMask | KeyPressMask | KeyReleaseMask |
                       StructureNotifyMask | FocusChangeMask | PointerMotionMask;
    wnd_attr.event_mask = data->event_mask;

    data->window = X11_XCreateWindow(
                       display, RootWindow(display, data->screen),
                       0, 0,
                       data->dialog_width, data->dialog_height,
                       0, CopyFromParent, InputOutput, CopyFromParent,
                       CWEventMask, &wnd_attr );
    if ( data->window == None ) {
        return SDL_SetError("Couldn't create X window");
    }

    if ( windowdata ) {
        /* http://tronche.com/gui/x/icccm/sec-4.html#WM_TRANSIENT_FOR */
        X11_XSetTransientForHint( display, data->window, windowdata->xwindow );
    }

    X11_XStoreName( display, data->window, messageboxdata->title );
    _NET_WM_NAME = X11_XInternAtom(display, "_NET_WM_NAME", False);
    UTF8_STRING = X11_XInternAtom(display, "UTF8_STRING", False);
    X11_XChangeProperty(display, data->window, _NET_WM_NAME, UTF8_STRING, 8,
                    PropModeReplace, (unsigned char *) messageboxdata->title,
                    strlen(messageboxdata->title) + 1 );

    /* Let the window manager know this is a dialog box */
    _NET_WM_WINDOW_TYPE = X11_XInternAtom(display, "_NET_WM_WINDOW_TYPE", False);
    _NET_WM_WINDOW_TYPE_DIALOG = X11_XInternAtom(display, "_NET_WM_WINDOW_TYPE_DIALOG", False);
    X11_XChangeProperty(display, data->window, _NET_WM_WINDOW_TYPE, XA_ATOM, 32,
                    PropModeReplace,
                    (unsigned char *)&_NET_WM_WINDOW_TYPE_DIALOG, 1);

    /* Allow the window to be deleted by the window manager */
    data->wm_protocols = X11_XInternAtom( display, "WM_PROTOCOLS", False );
    data->wm_delete_message = X11_XInternAtom( display, "WM_DELETE_WINDOW", False );
    X11_XSetWMProtocols( display, data->window, &data->wm_delete_message, 1 );

    if ( windowdata ) {
        XWindowAttributes attrib;
        Window dummy;

        X11_XGetWindowAttributes(display, windowdata->xwindow, &attrib);
        x = attrib.x + ( attrib.width - data->dialog_width ) / 2;
        y = attrib.y + ( attrib.height - data->dialog_height ) / 3 ;
        X11_XTranslateCoordinates(display, windowdata->xwindow, RootWindow(display, data->screen), x, y, &x, &y, &dummy);
    } else {
        const SDL_VideoDevice *dev = SDL_GetVideoDevice();
        if ((dev) && (dev->displays) && (dev->num_displays > 0)) {
            const SDL_VideoDisplay *dpy = &dev->displays[0];
            const SDL_DisplayData *dpydata = (SDL_DisplayData *) dpy->driverdata;
            x = dpydata->x + (( dpy->current_mode.w - data->dialog_width ) / 2);
            y = dpydata->y + (( dpy->current_mode.h - data->dialog_height ) / 3);
        } else {   /* oh well. This will misposition on a multi-head setup. Init first next time. */
            x = ( DisplayWidth( display, data->screen ) - data->dialog_width ) / 2;
            y = ( DisplayHeight( display, data->screen ) - data->dialog_height ) / 3 ;
        }
    }
    X11_XMoveWindow( display, data->window, x, y );

    sizehints = X11_XAllocSizeHints();
    if ( sizehints ) {
        sizehints->flags = USPosition | USSize | PMaxSize | PMinSize;
        sizehints->x = x;
        sizehints->y = y;
        sizehints->width = data->dialog_width;
        sizehints->height = data->dialog_height;

        sizehints->min_width = sizehints->max_width = data->dialog_width;
        sizehints->min_height = sizehints->max_height = data->dialog_height;

        X11_XSetWMNormalHints( display, data->window, sizehints );

        X11_XFree( sizehints );
    }

    X11_XMapRaised( display, data->window );

#if SDL_VIDEO_DRIVER_X11_XDBE
    /* Initialise a back buffer for double buffering */
    if (SDL_X11_HAVE_XDBE) {
        int xdbe_major, xdbe_minor;
        if (X11_XdbeQueryExtension(display, &xdbe_major, &xdbe_minor) != 0) {
            data->xdbe = SDL_TRUE;
            data->buf = X11_XdbeAllocateBackBufferName(display, data->window, XdbeUndefined);
        } else {
            data->xdbe = SDL_FALSE;
        }
    }
#endif

    return 0;
}
예제 #2
0
/* Create and set up our X11 dialog box indow. */
static int
X11_MessageBoxCreateWindow( SDL_MessageBoxDataX11 *data )
{
    int x, y;
    XSizeHints *sizehints;
    XSetWindowAttributes wnd_attr;
    Atom _NET_WM_WINDOW_TYPE, _NET_WM_WINDOW_TYPE_DIALOG;
    Display *display = data->display;
    SDL_WindowData *windowdata = NULL;
    const SDL_MessageBoxData *messageboxdata = data->messageboxdata;

    if ( messageboxdata->window ) {
        SDL_DisplayData *displaydata =
            (SDL_DisplayData *) SDL_GetDisplayForWindow(messageboxdata->window)->driverdata;
        windowdata = (SDL_WindowData *)messageboxdata->window->driverdata;
        data->screen = displaydata->screen;
    } else {
        data->screen = DefaultScreen( display );
    }

    data->event_mask = ExposureMask |
                       ButtonPressMask | ButtonReleaseMask | KeyPressMask | KeyReleaseMask |
                       StructureNotifyMask | FocusChangeMask | PointerMotionMask;
    wnd_attr.event_mask = data->event_mask;

    data->window = X11_XCreateWindow(
                       display, RootWindow(display, data->screen),
                       0, 0,
                       data->dialog_width, data->dialog_height,
                       0, CopyFromParent, InputOutput, CopyFromParent,
                       CWEventMask, &wnd_attr );
    if ( data->window == None ) {
        return SDL_SetError("Couldn't create X window");
    }

    if ( windowdata ) {
        /* http://tronche.com/gui/x/icccm/sec-4.html#WM_TRANSIENT_FOR */
        X11_XSetTransientForHint( display, data->window, windowdata->xwindow );
    }

    X11_XStoreName( display, data->window, messageboxdata->title );

    /* Let the window manager know this is a dialog box */
    _NET_WM_WINDOW_TYPE = X11_XInternAtom(display, "_NET_WM_WINDOW_TYPE", False);
    _NET_WM_WINDOW_TYPE_DIALOG = X11_XInternAtom(display, "_NET_WM_WINDOW_TYPE_DIALOG", False);
    X11_XChangeProperty(display, data->window, _NET_WM_WINDOW_TYPE, XA_ATOM, 32,
                    PropModeReplace,
                    (unsigned char *)&_NET_WM_WINDOW_TYPE_DIALOG, 1);

    /* Allow the window to be deleted by the window manager */
    data->wm_protocols = X11_XInternAtom( display, "WM_PROTOCOLS", False );
    data->wm_delete_message = X11_XInternAtom( display, "WM_DELETE_WINDOW", False );
    X11_XSetWMProtocols( display, data->window, &data->wm_delete_message, 1 );

    if ( windowdata ) {
        XWindowAttributes attrib;
        Window dummy;

        X11_XGetWindowAttributes(display, windowdata->xwindow, &attrib);
        x = attrib.x + ( attrib.width - data->dialog_width ) / 2;
        y = attrib.y + ( attrib.height - data->dialog_height ) / 3 ;
        X11_XTranslateCoordinates(display, windowdata->xwindow, RootWindow(display, data->screen), x, y, &x, &y, &dummy);
    } else {
        x = ( DisplayWidth( display, data->screen ) - data->dialog_width ) / 2;
        y = ( DisplayHeight( display, data->screen ) - data->dialog_height ) / 3 ;
    }
    X11_XMoveWindow( display, data->window, x, y );

    sizehints = X11_XAllocSizeHints();
    if ( sizehints ) {
        sizehints->flags = USPosition | USSize | PMaxSize | PMinSize;
        sizehints->x = x;
        sizehints->y = y;
        sizehints->width = data->dialog_width;
        sizehints->height = data->dialog_height;

        sizehints->min_width = sizehints->max_width = data->dialog_width;
        sizehints->min_height = sizehints->max_height = data->dialog_height;

        X11_XSetWMNormalHints( display, data->window, sizehints );

        X11_XFree( sizehints );
    }

    X11_XMapRaised( display, data->window );
    return 0;
}