struct window *add_win(struct window **list, xcb_window_t wid)
{
struct window *w = NULL;
uint32_t mask = XCB_CW_EVENT_MASK;
const uint32_t vals[1] = { XCB_EVENT_MASK_PROPERTY_CHANGE };
uint8_t flag;
if ((w = malloc(sizeof(struct window)))) {
w->id = wid;
w->damage = xcb_generate_id(X);
flag = XCB_DAMAGE_REPORT_LEVEL_NON_EMPTY;
xcb_damage_create(X, w->damage, w->id, flag);
w->region = xcb_generate_id(X);
flag = XCB_SHAPE_SK_BOUNDING;
xcb_xfixes_create_region_from_window(X, w->region, w->id, flag);
w->pixmap = XCB_NONE;
w->picture = XCB_NONE;
w->opacity = get_window_opacity(w->id);
w->alpha = XCB_NONE;
w->prev = NULL;
w->next = *list;
*list = w;
xcb_change_window_attributes(X, w->id, mask, vals);
} else {
fprintf(stderr, "add_window: can't alloc memory\n");
}
return w;
}
/**
* Create a region from a window.
* @param win The window used to initialize the region.
* @param type The type of the region.
* @return The newly created region.
*
* Creates a region initialized to the specified @p window region. See
* the Shape extension for the definition of Bounding and Clip
* regions.
* @ingroup Ecore_X_Fixes_Group
*/
EAPI Ecore_X_Region
ecore_x_region_new_from_window(Ecore_X_Window win,
Ecore_X_Region_Type type)
{
Ecore_X_Region region = 0;
LOGFN(__FILE__, __LINE__, __FUNCTION__);
CHECK_XCB_CONN;
if (!_xfixes_avail) return 0;
#ifdef ECORE_XCB_XFIXES
region = xcb_generate_id(_ecore_xcb_conn);
xcb_xfixes_create_region_from_window(_ecore_xcb_conn, region, win, type);
// ecore_x_flush();
#endif
return region;
}
