diff options
| -rw-r--r-- | src/libxcwm/event_loop.c | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/src/libxcwm/event_loop.c b/src/libxcwm/event_loop.c index d6f3bc2..6bf6db1 100644 --- a/src/libxcwm/event_loop.c +++ b/src/libxcwm/event_loop.c @@ -102,6 +102,60 @@ _xcwm_event_stop_loop(void) return 1; } +/* + Generate a XCWM_EVENT_WINDOW_CREATE event for all + existing mapped top-level windows when we start +*/ +static void +_xcwm_windows_adopt(xcwm_context_t *context, xcwm_event_cb_t callback_ptr) +{ + xcb_query_tree_cookie_t tree_cookie = xcb_query_tree(context->conn, context->root_window->window_id); + xcb_query_tree_reply_t *reply = xcb_query_tree_reply(context->conn, tree_cookie, NULL); + if (NULL == reply) { + return; + } + + int len = xcb_query_tree_children_length(reply); + xcb_window_t *children = xcb_query_tree_children(reply); + + int i; + for (i = 0; i < len; i ++) { + xcb_get_window_attributes_cookie_t cookie = xcb_get_window_attributes(context->conn, children[i]); + xcb_get_window_attributes_reply_t *attr = xcb_get_window_attributes_reply(context->conn, cookie, NULL); + + if (!attr) { + fprintf(stderr, "Couldn't get attributes for window 0x%08x\n", children[i]); + continue; + } + + if (attr->map_state == XCB_MAP_STATE_VIEWABLE) { + printf("window 0x%08x viewable\n", children[i]); + + xcwm_window_t *window = _xcwm_window_create(context, children[i], context->root_window->window_id); + if (!window) { + continue; + } + + xcwm_event_t *return_evt = malloc(sizeof(xcwm_event_t)); + if (!return_evt) { + continue; + } + + return_evt->window = window; + return_evt->event_type = XCWM_EVENT_WINDOW_CREATE; + + callback_ptr(return_evt); + } + else { + printf("window 0x%08x non-viewable\n", children[i]); + } + + free(attr); + } + + free(reply); +} + void * run_event_loop(void *thread_arg_struct) { @@ -119,6 +173,8 @@ run_event_loop(void *thread_arg_struct) free(thread_arg_struct); + _xcwm_windows_adopt(context, callback_ptr); + /* Start the event loop, and flush if first */ xcb_flush(event_conn); |