static void
update_shape (MetaFrame *frame)
{
if (frame->need_reapply_frame_shape)
{
meta_ui_apply_frame_shape (frame->window->screen->ui,
frame->xwindow,
frame->rect.width,
frame->rect.height,
frame->window->has_shape);
frame->need_reapply_frame_shape = FALSE;
}
}
static gboolean
update_shape (MetaFrame *frame)
{
if (frame->need_reapply_frame_shape)
{
meta_ui_apply_frame_shape (frame->window->screen->ui,
frame->xwindow,
frame->rect.width,
frame->rect.height,
frame->window->has_shape);
frame->need_reapply_frame_shape = FALSE;
return TRUE;
}
else
return FALSE;
}
void
meta_window_ensure_frame (MetaWindow *window)
{
MetaFrame *frame;
XSetWindowAttributes attrs;
Visual *visual;
if (window->frame)
return;
/* See comment below for why this is required. */
meta_display_grab (window->display);
frame = g_new (MetaFrame, 1);
frame->window = window;
frame->xwindow = None;
frame->rect = window->rect;
frame->child_x = 0;
frame->child_y = 0;
frame->bottom_height = 0;
frame->right_width = 0;
frame->current_cursor = 0;
frame->mapped = FALSE;
frame->need_reapply_frame_shape = TRUE;
frame->is_flashing = FALSE;
meta_verbose ("Framing window %s: visual %s default, depth %d default depth %d\n",
window->desc,
XVisualIDFromVisual (window->xvisual) ==
XVisualIDFromVisual (window->screen->default_xvisual) ?
"is" : "is not",
window->depth, window->screen->default_depth);
meta_verbose ("Frame geometry %d,%d %dx%d\n",
frame->rect.x, frame->rect.y,
frame->rect.width, frame->rect.height);
/* Default depth/visual handles clients with weird visuals; they can
* always be children of the root depth/visual obviously, but
* e.g. DRI games can't be children of a parent that has the same
* visual as the client. NULL means default visual.
*
* We look for an ARGB visual if we can find one, otherwise use
* the default of NULL.
*/
/* Special case for depth 32 windows (assumed to be ARGB),
* we use the window's visual. Otherwise we just use the system visual.
*/
if (window->depth == 32)
visual = window->xvisual;
else
visual = NULL;
frame->xwindow = meta_ui_create_frame_window (window->screen->ui,
window->display->xdisplay,
visual,
frame->rect.x,
frame->rect.y,
frame->rect.width,
frame->rect.height,
frame->window->screen->number);
meta_verbose ("Frame for %s is 0x%lx\n", frame->window->desc, frame->xwindow);
attrs.event_mask = EVENT_MASK;
XChangeWindowAttributes (window->display->xdisplay,
frame->xwindow, CWEventMask, &attrs);
meta_display_register_x_window (window->display, &frame->xwindow, window);
/* Now that frame->xwindow is registered with window, we can set its
* background.
*/
meta_ui_reset_frame_bg (window->screen->ui, frame->xwindow);
/* Reparent the client window; it may be destroyed,
* thus the error trap. We'll get a destroy notify later
* and free everything. Comment in FVWM source code says
* we need a server grab or the child can get its MapNotify
* before we've finished reparenting and getting the decoration
* window onscreen, so ensure_frame must be called with
* a grab.
*/
meta_error_trap_push (window->display);
if (window->mapped)
{
window->mapped = FALSE; /* the reparent will unmap the window,
* we don't want to take that as a withdraw
*/
meta_topic (META_DEBUG_WINDOW_STATE,
"Incrementing unmaps_pending on %s for reparent\n", window->desc);
window->unmaps_pending += 1;
}
/* window was reparented to this position */
window->rect.x = 0;
window->rect.y = 0;
XReparentWindow (window->display->xdisplay,
window->xwindow,
frame->xwindow,
window->rect.x,
window->rect.y);
/* FIXME handle this error */
meta_error_trap_pop (window->display, FALSE);
/* stick frame to the window */
window->frame = frame;
if (window->title)
meta_ui_set_frame_title (window->screen->ui,
window->frame->xwindow,
window->title);
/* Move keybindings to frame instead of window */
meta_window_grab_keys (window);
/* Shape mask */
meta_ui_apply_frame_shape (frame->window->screen->ui,
frame->xwindow,
frame->rect.width,
frame->rect.height,
frame->window->has_shape);
frame->need_reapply_frame_shape = FALSE;
meta_display_ungrab (window->display);
}