void
X11_DestroyWindowFramebuffer(_THIS, SDL_Window * window)
{
SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
Display *display;
if (!data) {
/* The window wasn't fully initialized */
return;
}
display = data->videodata->display;
if (data->ximage) {
XDestroyImage(data->ximage);
#ifndef NO_SHARED_MEMORY
if (data->use_mitshm) {
X11_XShmDetach(display, &data->shminfo);
X11_XSync(display, False);
shmdt(data->shminfo.shmaddr);
data->use_mitshm = SDL_FALSE;
}
#endif /* !NO_SHARED_MEMORY */
data->ximage = NULL;
}
if (data->gc) {
X11_XFreeGC(display, data->gc);
data->gc = NULL;
}
}
/* Loop and handle message box event messages until something kills it. */
static int
X11_MessageBoxLoop( SDL_MessageBoxDataX11 *data )
{
GC ctx;
XGCValues ctx_vals;
SDL_bool close_dialog = SDL_FALSE;
SDL_bool has_focus = SDL_TRUE;
KeySym last_key_pressed = XK_VoidSymbol;
unsigned long gcflags = GCForeground | GCBackground;
SDL_zero(ctx_vals);
ctx_vals.foreground = data->color[ SDL_MESSAGEBOX_COLOR_BACKGROUND ];
ctx_vals.background = data->color[ SDL_MESSAGEBOX_COLOR_BACKGROUND ];
if (!SDL_X11_HAVE_UTF8) {
gcflags |= GCFont;
ctx_vals.font = data->font_struct->fid;
}
ctx = X11_XCreateGC( data->display, data->window, gcflags, &ctx_vals );
if ( ctx == None ) {
return SDL_SetError("Couldn't create graphics context");
}
data->button_press_index = -1; /* Reset what button is currently depressed. */
data->mouse_over_index = -1; /* Reset what button the mouse is over. */
while( !close_dialog ) {
XEvent e;
SDL_bool draw = SDL_TRUE;
/* can't use XWindowEvent() because it can't handle ClientMessage events. */
/* can't use XNextEvent() because we only want events for this window. */
X11_XIfEvent( data->display, &e, X11_MessageBoxEventTest, (XPointer) data );
/* If X11_XFilterEvent returns True, then some input method has filtered the
event, and the client should discard the event. */
if ( ( e.type != Expose ) && X11_XFilterEvent( &e, None ) )
continue;
switch( e.type ) {
case Expose:
if ( e.xexpose.count > 0 ) {
draw = SDL_FALSE;
}
break;
case FocusIn:
/* Got focus. */
has_focus = SDL_TRUE;
break;
case FocusOut:
/* lost focus. Reset button and mouse info. */
has_focus = SDL_FALSE;
data->button_press_index = -1;
data->mouse_over_index = -1;
break;
case MotionNotify:
if ( has_focus ) {
/* Mouse moved... */
const int previndex = data->mouse_over_index;
data->mouse_over_index = GetHitButtonIndex( data, e.xbutton.x, e.xbutton.y );
if (data->mouse_over_index == previndex) {
draw = SDL_FALSE;
}
}
break;
case ClientMessage:
if ( e.xclient.message_type == data->wm_protocols &&
e.xclient.format == 32 &&
e.xclient.data.l[ 0 ] == data->wm_delete_message ) {
close_dialog = SDL_TRUE;
}
break;
case KeyPress:
/* Store key press - we make sure in key release that we got both. */
last_key_pressed = X11_XLookupKeysym( &e.xkey, 0 );
break;
case KeyRelease: {
Uint32 mask = 0;
KeySym key = X11_XLookupKeysym( &e.xkey, 0 );
/* If this is a key release for something we didn't get the key down for, then bail. */
if ( key != last_key_pressed )
break;
if ( key == XK_Escape )
mask = SDL_MESSAGEBOX_BUTTON_ESCAPEKEY_DEFAULT;
else if ( ( key == XK_Return ) || ( key == XK_KP_Enter ) )
mask = SDL_MESSAGEBOX_BUTTON_RETURNKEY_DEFAULT;
if ( mask ) {
int i;
/* Look for first button with this mask set, and return it if found. */
for ( i = 0; i < data->numbuttons; i++ ) {
SDL_MessageBoxButtonDataX11 *buttondatax11 = &data->buttonpos[ i ];
if ( buttondatax11->buttondata->flags & mask ) {
*data->pbuttonid = buttondatax11->buttondata->buttonid;
close_dialog = SDL_TRUE;
break;
}
}
}
break;
}
case ButtonPress:
data->button_press_index = -1;
if ( e.xbutton.button == Button1 ) {
/* Find index of button they clicked on. */
data->button_press_index = GetHitButtonIndex( data, e.xbutton.x, e.xbutton.y );
}
break;
case ButtonRelease:
/* If button is released over the same button that was clicked down on, then return it. */
if ( ( e.xbutton.button == Button1 ) && ( data->button_press_index >= 0 ) ) {
int button = GetHitButtonIndex( data, e.xbutton.x, e.xbutton.y );
if ( data->button_press_index == button ) {
SDL_MessageBoxButtonDataX11 *buttondatax11 = &data->buttonpos[ button ];
*data->pbuttonid = buttondatax11->buttondata->buttonid;
close_dialog = SDL_TRUE;
}
}
data->button_press_index = -1;
break;
}
if ( draw ) {
/* Draw our dialog box. */
X11_MessageBoxDraw( data, ctx );
}
}
X11_XFreeGC( data->display, ctx );
return 0;
}
