745 lines
31 KiB
C
745 lines
31 KiB
C
/*
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* vim:ts=4:sw=4:expandtab
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*
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* i3 - an improved dynamic tiling window manager
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* © 2009 Michael Stapelberg and contributors (see also: LICENSE)
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*
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* manage.c: Initially managing new windows (or existing ones on restart).
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*
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*/
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#include "all.h"
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/*
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* Match frame and window depth. This is needed because X will refuse to reparent a
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* window whose background is ParentRelative under a window with a different depth.
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*
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*/
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static xcb_window_t _match_depth(i3Window *win, Con *con) {
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xcb_window_t old_frame = XCB_NONE;
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if (con->depth != win->depth) {
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old_frame = con->frame.id;
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con->depth = win->depth;
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x_con_reframe(con);
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}
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return old_frame;
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}
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/*
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* Remove all match criteria, the first swallowed window wins.
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*
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*/
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static void _remove_matches(Con *con) {
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while (!TAILQ_EMPTY(&(con->swallow_head))) {
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Match *first = TAILQ_FIRST(&(con->swallow_head));
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TAILQ_REMOVE(&(con->swallow_head), first, matches);
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match_free(first);
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free(first);
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}
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}
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/*
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* Go through all existing windows (if the window manager is restarted) and manage them
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*
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*/
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void manage_existing_windows(xcb_window_t root) {
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xcb_query_tree_reply_t *reply;
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int i, len;
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xcb_window_t *children;
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xcb_get_window_attributes_cookie_t *cookies;
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/* Get the tree of windows whose parent is the root window (= all) */
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if ((reply = xcb_query_tree_reply(conn, xcb_query_tree(conn, root), 0)) == NULL)
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return;
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len = xcb_query_tree_children_length(reply);
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cookies = smalloc(len * sizeof(*cookies));
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/* Request the window attributes for every window */
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children = xcb_query_tree_children(reply);
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for (i = 0; i < len; ++i)
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cookies[i] = xcb_get_window_attributes(conn, children[i]);
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/* Call manage_window with the attributes for every window */
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for (i = 0; i < len; ++i)
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manage_window(children[i], cookies[i], true);
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free(reply);
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free(cookies);
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}
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/*
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* Restores the geometry of each window by reparenting it to the root window
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* at the position of its frame.
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*
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* This is to be called *only* before exiting/restarting i3 because of evil
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* side-effects which are to be expected when continuing to run i3.
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*
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*/
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void restore_geometry(void) {
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DLOG("Restoring geometry\n");
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Con *con;
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TAILQ_FOREACH (con, &all_cons, all_cons) {
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if (con->window) {
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DLOG("Re-adding X11 border of %d px\n", con->border_width);
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con->window_rect.width += (2 * con->border_width);
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con->window_rect.height += (2 * con->border_width);
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xcb_set_window_rect(conn, con->window->id, con->window_rect);
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DLOG("placing window %08x at %d %d\n", con->window->id, con->rect.x, con->rect.y);
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xcb_reparent_window(conn, con->window->id, root,
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con->rect.x, con->rect.y);
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}
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}
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/* Strictly speaking, this line doesn’t really belong here, but since we
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* are syncing, let’s un-register as a window manager first */
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xcb_change_window_attributes(conn, root, XCB_CW_EVENT_MASK, (uint32_t[]){XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT});
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/* Make sure our changes reach the X server, we restart/exit now */
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xcb_aux_sync(conn);
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}
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/*
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* Do some sanity checks and then reparent the window.
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*
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*/
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void manage_window(xcb_window_t window, xcb_get_window_attributes_cookie_t cookie,
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bool needs_to_be_mapped) {
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DLOG("window 0x%08x\n", window);
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xcb_drawable_t d = {window};
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xcb_get_geometry_cookie_t geomc;
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xcb_get_geometry_reply_t *geom;
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xcb_get_window_attributes_reply_t *attr = NULL;
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xcb_get_property_cookie_t wm_type_cookie, strut_cookie, state_cookie,
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utf8_title_cookie, title_cookie,
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class_cookie, leader_cookie, transient_cookie,
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role_cookie, startup_id_cookie, wm_hints_cookie,
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wm_normal_hints_cookie, motif_wm_hints_cookie, wm_user_time_cookie, wm_desktop_cookie;
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geomc = xcb_get_geometry(conn, d);
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/* Check if the window is mapped (it could be not mapped when intializing and
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calling manage_window() for every window) */
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if ((attr = xcb_get_window_attributes_reply(conn, cookie, 0)) == NULL) {
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DLOG("Could not get attributes\n");
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xcb_discard_reply(conn, geomc.sequence);
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return;
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}
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if (needs_to_be_mapped && attr->map_state != XCB_MAP_STATE_VIEWABLE) {
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xcb_discard_reply(conn, geomc.sequence);
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goto out;
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}
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/* Don’t manage clients with the override_redirect flag */
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if (attr->override_redirect) {
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xcb_discard_reply(conn, geomc.sequence);
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goto out;
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}
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/* Check if the window is already managed */
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if (con_by_window_id(window) != NULL) {
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DLOG("already managed (by con %p)\n", con_by_window_id(window));
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xcb_discard_reply(conn, geomc.sequence);
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goto out;
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}
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/* Get the initial geometry (position, size, …) */
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if ((geom = xcb_get_geometry_reply(conn, geomc, 0)) == NULL) {
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DLOG("could not get geometry\n");
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goto out;
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}
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uint32_t values[1];
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/* Set a temporary event mask for the new window, consisting only of
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* PropertyChange and StructureNotify. We need to be notified of
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* PropertyChanges because the client can change its properties *after* we
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* requested them but *before* we actually reparented it and have set our
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* final event mask.
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* We need StructureNotify because the client may unmap the window before
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* we get to re-parent it.
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* If this request fails, we assume the client has already unmapped the
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* window between the MapRequest and our event mask change. */
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values[0] = XCB_EVENT_MASK_PROPERTY_CHANGE |
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XCB_EVENT_MASK_STRUCTURE_NOTIFY;
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xcb_void_cookie_t event_mask_cookie =
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xcb_change_window_attributes_checked(conn, window, XCB_CW_EVENT_MASK, values);
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if (xcb_request_check(conn, event_mask_cookie) != NULL) {
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LOG("Could not change event mask, the window probably already disappeared.\n");
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goto out;
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}
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#define GET_PROPERTY(atom, len) xcb_get_property(conn, false, window, atom, XCB_GET_PROPERTY_TYPE_ANY, 0, len)
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wm_type_cookie = GET_PROPERTY(A__NET_WM_WINDOW_TYPE, UINT32_MAX);
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strut_cookie = GET_PROPERTY(A__NET_WM_STRUT_PARTIAL, UINT32_MAX);
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state_cookie = GET_PROPERTY(A__NET_WM_STATE, UINT32_MAX);
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utf8_title_cookie = GET_PROPERTY(A__NET_WM_NAME, 128);
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leader_cookie = GET_PROPERTY(A_WM_CLIENT_LEADER, UINT32_MAX);
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transient_cookie = GET_PROPERTY(XCB_ATOM_WM_TRANSIENT_FOR, UINT32_MAX);
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title_cookie = GET_PROPERTY(XCB_ATOM_WM_NAME, 128);
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class_cookie = GET_PROPERTY(XCB_ATOM_WM_CLASS, 128);
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role_cookie = GET_PROPERTY(A_WM_WINDOW_ROLE, 128);
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startup_id_cookie = GET_PROPERTY(A__NET_STARTUP_ID, 512);
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wm_hints_cookie = xcb_icccm_get_wm_hints(conn, window);
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wm_normal_hints_cookie = xcb_icccm_get_wm_normal_hints(conn, window);
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motif_wm_hints_cookie = GET_PROPERTY(A__MOTIF_WM_HINTS, 5 * sizeof(uint64_t));
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wm_user_time_cookie = GET_PROPERTY(A__NET_WM_USER_TIME, UINT32_MAX);
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wm_desktop_cookie = GET_PROPERTY(A__NET_WM_DESKTOP, UINT32_MAX);
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i3Window *cwindow = scalloc(1, sizeof(i3Window));
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cwindow->id = window;
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cwindow->depth = get_visual_depth(attr->visual);
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int *buttons = bindings_get_buttons_to_grab();
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xcb_grab_buttons(conn, window, buttons);
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FREE(buttons);
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/* update as much information as possible so far (some replies may be NULL) */
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window_update_class(cwindow, xcb_get_property_reply(conn, class_cookie, NULL));
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window_update_name_legacy(cwindow, xcb_get_property_reply(conn, title_cookie, NULL));
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window_update_name(cwindow, xcb_get_property_reply(conn, utf8_title_cookie, NULL));
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window_update_leader(cwindow, xcb_get_property_reply(conn, leader_cookie, NULL));
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window_update_transient_for(cwindow, xcb_get_property_reply(conn, transient_cookie, NULL));
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window_update_strut_partial(cwindow, xcb_get_property_reply(conn, strut_cookie, NULL));
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window_update_role(cwindow, xcb_get_property_reply(conn, role_cookie, NULL));
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bool urgency_hint;
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window_update_hints(cwindow, xcb_get_property_reply(conn, wm_hints_cookie, NULL), &urgency_hint);
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border_style_t motif_border_style = BS_NORMAL;
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window_update_motif_hints(cwindow, xcb_get_property_reply(conn, motif_wm_hints_cookie, NULL), &motif_border_style);
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window_update_normal_hints(cwindow, xcb_get_property_reply(conn, wm_normal_hints_cookie, NULL), geom);
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xcb_get_property_reply_t *type_reply = xcb_get_property_reply(conn, wm_type_cookie, NULL);
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xcb_get_property_reply_t *state_reply = xcb_get_property_reply(conn, state_cookie, NULL);
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xcb_get_property_reply_t *startup_id_reply;
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startup_id_reply = xcb_get_property_reply(conn, startup_id_cookie, NULL);
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char *startup_ws = startup_workspace_for_window(cwindow, startup_id_reply);
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DLOG("startup workspace = %s\n", startup_ws);
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/* Get _NET_WM_DESKTOP if it was set. */
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xcb_get_property_reply_t *wm_desktop_reply;
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wm_desktop_reply = xcb_get_property_reply(conn, wm_desktop_cookie, NULL);
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cwindow->wm_desktop = NET_WM_DESKTOP_NONE;
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if (wm_desktop_reply != NULL && xcb_get_property_value_length(wm_desktop_reply) != 0) {
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uint32_t *wm_desktops = xcb_get_property_value(wm_desktop_reply);
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cwindow->wm_desktop = (int32_t)wm_desktops[0];
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}
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FREE(wm_desktop_reply);
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/* check if the window needs WM_TAKE_FOCUS */
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cwindow->needs_take_focus = window_supports_protocol(cwindow->id, A_WM_TAKE_FOCUS);
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/* read the preferred _NET_WM_WINDOW_TYPE atom */
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cwindow->window_type = xcb_get_preferred_window_type(type_reply);
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/* Where to start searching for a container that swallows the new one? */
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Con *search_at = croot;
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if (xcb_reply_contains_atom(type_reply, A__NET_WM_WINDOW_TYPE_DOCK)) {
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LOG("This window is of type dock\n");
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Output *output = get_output_containing(geom->x, geom->y);
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if (output != NULL) {
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DLOG("Starting search at output %s\n", output_primary_name(output));
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search_at = output->con;
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}
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/* find out the desired position of this dock window */
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if (cwindow->reserved.top > 0 && cwindow->reserved.bottom == 0) {
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DLOG("Top dock client\n");
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cwindow->dock = W_DOCK_TOP;
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} else if (cwindow->reserved.top == 0 && cwindow->reserved.bottom > 0) {
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DLOG("Bottom dock client\n");
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cwindow->dock = W_DOCK_BOTTOM;
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} else {
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DLOG("Ignoring invalid reserved edges (_NET_WM_STRUT_PARTIAL), using position as fallback:\n");
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if (geom->y < (int16_t)(search_at->rect.height / 2)) {
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DLOG("geom->y = %d < rect.height / 2 = %d, it is a top dock client\n",
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geom->y, (search_at->rect.height / 2));
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cwindow->dock = W_DOCK_TOP;
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} else {
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DLOG("geom->y = %d >= rect.height / 2 = %d, it is a bottom dock client\n",
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geom->y, (search_at->rect.height / 2));
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cwindow->dock = W_DOCK_BOTTOM;
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}
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}
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}
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DLOG("Initial geometry: (%d, %d, %d, %d)\n", geom->x, geom->y, geom->width, geom->height);
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/* See if any container swallows this new window */
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Match *match = NULL;
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Con *nc = con_for_window(search_at, cwindow, &match);
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const bool match_from_restart_mode = (match && match->restart_mode);
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if (nc == NULL) {
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Con *wm_desktop_ws = NULL;
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Assignment *assignment;
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/* If not, check if it is assigned to a specific workspace */
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if ((assignment = assignment_for(cwindow, A_TO_WORKSPACE)) ||
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(assignment = assignment_for(cwindow, A_TO_WORKSPACE_NUMBER))) {
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DLOG("Assignment matches (%p)\n", match);
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Con *assigned_ws = NULL;
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if (assignment->type == A_TO_WORKSPACE_NUMBER) {
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long parsed_num = ws_name_to_number(assignment->dest.workspace);
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assigned_ws = get_existing_workspace_by_num(parsed_num);
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}
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/* A_TO_WORKSPACE type assignment or fallback from A_TO_WORKSPACE_NUMBER
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* when the target workspace number does not exist yet. */
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if (!assigned_ws) {
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assigned_ws = workspace_get(assignment->dest.workspace, NULL);
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}
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nc = con_descend_tiling_focused(assigned_ws);
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DLOG("focused on ws %s: %p / %s\n", assigned_ws->name, nc, nc->name);
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if (nc->type == CT_WORKSPACE)
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nc = tree_open_con(nc, cwindow);
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else
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nc = tree_open_con(nc->parent, cwindow);
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/* set the urgency hint on the window if the workspace is not visible */
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if (!workspace_is_visible(assigned_ws))
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urgency_hint = true;
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} else if (cwindow->wm_desktop != NET_WM_DESKTOP_NONE &&
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cwindow->wm_desktop != NET_WM_DESKTOP_ALL &&
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(wm_desktop_ws = ewmh_get_workspace_by_index(cwindow->wm_desktop)) != NULL) {
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/* If _NET_WM_DESKTOP is set to a specific desktop, we open it
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* there. Note that we ignore the special value 0xFFFFFFFF here
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* since such a window will be made sticky anyway. */
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DLOG("Using workspace %p / %s because _NET_WM_DESKTOP = %d.\n",
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wm_desktop_ws, wm_desktop_ws->name, cwindow->wm_desktop);
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nc = con_descend_tiling_focused(wm_desktop_ws);
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if (nc->type == CT_WORKSPACE)
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nc = tree_open_con(nc, cwindow);
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else
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nc = tree_open_con(nc->parent, cwindow);
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} else if (startup_ws) {
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/* If it was started on a specific workspace, we want to open it there. */
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DLOG("Using workspace on which this application was started (%s)\n", startup_ws);
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nc = con_descend_tiling_focused(workspace_get(startup_ws, NULL));
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DLOG("focused on ws %s: %p / %s\n", startup_ws, nc, nc->name);
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if (nc->type == CT_WORKSPACE)
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nc = tree_open_con(nc, cwindow);
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else
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nc = tree_open_con(nc->parent, cwindow);
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} else {
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/* If not, insert it at the currently focused position */
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if (focused->type == CT_CON && con_accepts_window(focused)) {
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LOG("using current container, focused = %p, focused->name = %s\n",
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focused, focused->name);
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nc = focused;
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} else
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nc = tree_open_con(NULL, cwindow);
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}
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if ((assignment = assignment_for(cwindow, A_TO_OUTPUT))) {
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con_move_to_output_name(nc, assignment->dest.output, true);
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}
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} else {
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/* M_BELOW inserts the new window as a child of the one which was
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* matched (e.g. dock areas) */
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if (match != NULL && match->insert_where == M_BELOW) {
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nc = tree_open_con(nc, cwindow);
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}
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/* If M_BELOW is not used, the container is replaced. This happens with
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* "swallows" criteria that are used for stored layouts, in which case
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* we need to remove that criterion, because they should only be valid
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* once. */
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if (match != NULL && match->insert_where != M_BELOW) {
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DLOG("Removing match %p from container %p\n", match, nc);
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TAILQ_REMOVE(&(nc->swallow_head), match, matches);
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match_free(match);
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FREE(match);
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}
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}
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DLOG("new container = %p\n", nc);
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if (nc->window != NULL && nc->window != cwindow) {
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if (!restore_kill_placeholder(nc->window->id)) {
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DLOG("Uh?! Container without a placeholder, but with a window, has swallowed this to-be-managed window?!\n");
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} else {
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/* Remove remaining criteria, the first swallowed window wins. */
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_remove_matches(nc);
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}
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}
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xcb_window_t old_frame = XCB_NONE;
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if (nc->window != cwindow && nc->window != NULL) {
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window_free(nc->window);
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old_frame = _match_depth(cwindow, nc);
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}
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nc->window = cwindow;
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x_reinit(nc);
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nc->border_width = geom->border_width;
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char *name;
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sasprintf(&name, "[i3 con] container around %p", cwindow);
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x_set_name(nc, name);
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free(name);
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/* handle fullscreen containers */
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Con *ws = con_get_workspace(nc);
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Con *fs = con_get_fullscreen_covering_ws(ws);
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if (xcb_reply_contains_atom(state_reply, A__NET_WM_STATE_FULLSCREEN)) {
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/* If this window is already fullscreen (after restarting!), skip
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* toggling fullscreen, that would drop it out of fullscreen mode. */
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if (fs != nc) {
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Output *output = get_output_with_dimensions((Rect){geom->x, geom->y, geom->width, geom->height});
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/* If the requested window geometry spans the whole area
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* of an output, move the window to that output. This is
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* needed e.g. for LibreOffice Impress multi-monitor
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* presentations to work out of the box. */
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if (output != NULL)
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con_move_to_output(nc, output, false);
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con_toggle_fullscreen(nc, CF_OUTPUT);
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}
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fs = NULL;
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}
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bool set_focus = false;
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if (fs == NULL) {
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DLOG("Not in fullscreen mode, focusing\n");
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if (!cwindow->dock) {
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/* Check that the workspace is visible and on the same output as
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* the current focused container. If the window was assigned to an
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* invisible workspace, we should not steal focus. */
|
||
Con *current_output = con_get_output(focused);
|
||
Con *target_output = con_get_output(ws);
|
||
|
||
if (workspace_is_visible(ws) && current_output == target_output) {
|
||
if (!match_from_restart_mode) {
|
||
set_focus = true;
|
||
} else {
|
||
DLOG("not focusing, matched with restart_mode == true\n");
|
||
}
|
||
} else {
|
||
DLOG("workspace not visible, not focusing\n");
|
||
}
|
||
} else {
|
||
DLOG("dock, not focusing\n");
|
||
}
|
||
} else {
|
||
DLOG("fs = %p, ws = %p, not focusing\n", fs, ws);
|
||
/* Insert the new container in focus stack *after* the currently
|
||
* focused (fullscreen) con. This way, the new container will be
|
||
* focused after we return from fullscreen mode */
|
||
Con *first = TAILQ_FIRST(&(nc->parent->focus_head));
|
||
if (first != nc) {
|
||
/* We only modify the focus stack if the container is not already
|
||
* the first one. This can happen when existing containers swallow
|
||
* new windows, for example when restarting. */
|
||
TAILQ_REMOVE(&(nc->parent->focus_head), nc, focused);
|
||
TAILQ_INSERT_AFTER(&(nc->parent->focus_head), first, nc, focused);
|
||
}
|
||
}
|
||
|
||
/* set floating if necessary */
|
||
bool want_floating = false;
|
||
if (xcb_reply_contains_atom(type_reply, A__NET_WM_WINDOW_TYPE_DIALOG) ||
|
||
xcb_reply_contains_atom(type_reply, A__NET_WM_WINDOW_TYPE_UTILITY) ||
|
||
xcb_reply_contains_atom(type_reply, A__NET_WM_WINDOW_TYPE_TOOLBAR) ||
|
||
xcb_reply_contains_atom(type_reply, A__NET_WM_WINDOW_TYPE_SPLASH) ||
|
||
xcb_reply_contains_atom(state_reply, A__NET_WM_STATE_MODAL) ||
|
||
(cwindow->max_width > 0 && cwindow->max_height > 0 &&
|
||
cwindow->min_height == cwindow->max_height &&
|
||
cwindow->min_width == cwindow->max_width)) {
|
||
LOG("This window is a dialog window, setting floating\n");
|
||
want_floating = true;
|
||
}
|
||
|
||
if (xcb_reply_contains_atom(state_reply, A__NET_WM_STATE_STICKY))
|
||
nc->sticky = true;
|
||
|
||
/* We ignore the hint for an internal workspace because windows in the
|
||
* scratchpad also have this value, but upon restarting i3 we don't want
|
||
* them to become sticky windows. */
|
||
if (cwindow->wm_desktop == NET_WM_DESKTOP_ALL && (ws == NULL || !con_is_internal(ws))) {
|
||
DLOG("This window has _NET_WM_DESKTOP = 0xFFFFFFFF. Will float it and make it sticky.\n");
|
||
nc->sticky = true;
|
||
want_floating = true;
|
||
}
|
||
|
||
FREE(state_reply);
|
||
FREE(type_reply);
|
||
|
||
if (cwindow->transient_for != XCB_NONE ||
|
||
(cwindow->leader != XCB_NONE &&
|
||
cwindow->leader != cwindow->id &&
|
||
con_by_window_id(cwindow->leader) != NULL)) {
|
||
LOG("This window is transient for another window, setting floating\n");
|
||
want_floating = true;
|
||
|
||
if (config.popup_during_fullscreen == PDF_LEAVE_FULLSCREEN &&
|
||
fs != NULL) {
|
||
LOG("There is a fullscreen window, leaving fullscreen mode\n");
|
||
con_toggle_fullscreen(fs, CF_OUTPUT);
|
||
} else if (config.popup_during_fullscreen == PDF_SMART &&
|
||
fs != NULL &&
|
||
fs->window != NULL) {
|
||
i3Window *transient_win = cwindow;
|
||
while (transient_win != NULL &&
|
||
transient_win->transient_for != XCB_NONE) {
|
||
if (transient_win->transient_for == fs->window->id) {
|
||
LOG("This floating window belongs to the fullscreen window (popup_during_fullscreen == smart)\n");
|
||
set_focus = true;
|
||
break;
|
||
}
|
||
Con *next_transient = con_by_window_id(transient_win->transient_for);
|
||
if (next_transient == NULL)
|
||
break;
|
||
/* Some clients (e.g. x11-ssh-askpass) actually set
|
||
* WM_TRANSIENT_FOR to their own window id, so break instead of
|
||
* looping endlessly. */
|
||
if (transient_win == next_transient->window)
|
||
break;
|
||
transient_win = next_transient->window;
|
||
}
|
||
}
|
||
}
|
||
|
||
/* dock clients cannot be floating, that makes no sense */
|
||
if (cwindow->dock)
|
||
want_floating = false;
|
||
|
||
/* Store the requested geometry. The width/height gets raised to at least
|
||
* 75x50 when entering floating mode, which is the minimum size for a
|
||
* window to be useful (smaller windows are usually overlays/toolbars/…
|
||
* which are not managed by the wm anyways). We store the original geometry
|
||
* here because it’s used for dock clients. */
|
||
if (nc->geometry.width == 0)
|
||
nc->geometry = (Rect){geom->x, geom->y, geom->width, geom->height};
|
||
|
||
if (motif_border_style != BS_NORMAL) {
|
||
DLOG("MOTIF_WM_HINTS specifies decorations (border_style = %d)\n", motif_border_style);
|
||
if (want_floating) {
|
||
con_set_border_style(nc, motif_border_style, config.default_floating_border_width);
|
||
} else {
|
||
con_set_border_style(nc, motif_border_style, config.default_border_width);
|
||
}
|
||
}
|
||
|
||
if (want_floating) {
|
||
DLOG("geometry = %d x %d\n", nc->geometry.width, nc->geometry.height);
|
||
/* automatically set the border to the default value if a motif border
|
||
* was not specified */
|
||
bool automatic_border = (motif_border_style == BS_NORMAL);
|
||
|
||
if (floating_enable(nc, automatic_border)) {
|
||
nc->floating = FLOATING_AUTO_ON;
|
||
}
|
||
}
|
||
|
||
/* explicitly set the border width to the default */
|
||
if (nc->current_border_width == -1) {
|
||
nc->current_border_width = (want_floating ? config.default_floating_border_width : config.default_border_width);
|
||
}
|
||
|
||
/* to avoid getting an UnmapNotify event due to reparenting, we temporarily
|
||
* declare no interest in any state change event of this window */
|
||
values[0] = XCB_NONE;
|
||
xcb_change_window_attributes(conn, window, XCB_CW_EVENT_MASK, values);
|
||
|
||
xcb_void_cookie_t rcookie = xcb_reparent_window_checked(conn, window, nc->frame.id, 0, 0);
|
||
if (xcb_request_check(conn, rcookie) != NULL) {
|
||
LOG("Could not reparent the window, aborting\n");
|
||
goto geom_out;
|
||
}
|
||
|
||
values[0] = CHILD_EVENT_MASK & ~XCB_EVENT_MASK_ENTER_WINDOW;
|
||
xcb_change_window_attributes(conn, window, XCB_CW_EVENT_MASK, values);
|
||
xcb_flush(conn);
|
||
|
||
/* Put the client inside the save set. Upon termination (whether killed or
|
||
* normal exit does not matter) of the window manager, these clients will
|
||
* be correctly reparented to their most closest living ancestor (=
|
||
* cleanup) */
|
||
xcb_change_save_set(conn, XCB_SET_MODE_INSERT, window);
|
||
|
||
if (shape_supported) {
|
||
/* Receive ShapeNotify events whenever the client altered its window
|
||
* shape. */
|
||
xcb_shape_select_input(conn, window, true);
|
||
|
||
/* Check if the window is shaped. Sadly, we can check only for the
|
||
* bounding shape, not for the input shape. */
|
||
xcb_shape_query_extents_cookie_t cookie =
|
||
xcb_shape_query_extents(conn, window);
|
||
xcb_shape_query_extents_reply_t *reply =
|
||
xcb_shape_query_extents_reply(conn, cookie, NULL);
|
||
if (reply != NULL && reply->bounding_shaped) {
|
||
cwindow->shaped = true;
|
||
}
|
||
FREE(reply);
|
||
}
|
||
|
||
/* Check if any assignments match */
|
||
run_assignments(cwindow);
|
||
|
||
/* 'ws' may be invalid because of the assignments, e.g. when the user uses
|
||
* "move window to workspace 1", but had it assigned to workspace 2. */
|
||
ws = con_get_workspace(nc);
|
||
|
||
/* If this window was put onto an invisible workspace (via assignments), we
|
||
* render this workspace. It wouldn’t be rendered in our normal code path
|
||
* because only the visible workspaces get rendered.
|
||
*
|
||
* By rendering the workspace, we assign proper coordinates (read: not
|
||
* width=0, height=0) to the window, which is important for windows who
|
||
* actually use them to position their GUI elements, e.g. rhythmbox. */
|
||
if (ws && !workspace_is_visible(ws)) {
|
||
/* This is a bit hackish: we need to copy the content container’s rect
|
||
* to the workspace, because calling render_con() on the content
|
||
* container would also take the shortcut and not render the invisible
|
||
* workspace at all. However, just calling render_con() on the
|
||
* workspace isn’t enough either — it needs the rect. */
|
||
ws->rect = ws->parent->rect;
|
||
render_con(ws);
|
||
/* Disable setting focus, otherwise we’d move focus to an invisible
|
||
* workspace, which we generally prevent (e.g. in
|
||
* con_move_to_workspace). */
|
||
set_focus = false;
|
||
}
|
||
render_con(croot);
|
||
|
||
cwindow->managed_since = time(NULL);
|
||
|
||
/* Send an event about window creation */
|
||
ipc_send_window_event("new", nc);
|
||
|
||
if (set_focus && assignment_for(cwindow, A_NO_FOCUS) != NULL) {
|
||
/* The first window on a workspace should always be focused. We have to
|
||
* compare with == 1 because the container has already been inserted at
|
||
* this point. */
|
||
if (con_num_windows(ws) == 1) {
|
||
DLOG("This is the first window on this workspace, ignoring no_focus.\n");
|
||
} else {
|
||
DLOG("no_focus was set for con = %p, not setting focus.\n", nc);
|
||
set_focus = false;
|
||
}
|
||
}
|
||
|
||
if (set_focus) {
|
||
DLOG("Checking con = %p for _NET_WM_USER_TIME.\n", nc);
|
||
|
||
uint32_t *wm_user_time;
|
||
xcb_get_property_reply_t *wm_user_time_reply = xcb_get_property_reply(conn, wm_user_time_cookie, NULL);
|
||
if (wm_user_time_reply != NULL && xcb_get_property_value_length(wm_user_time_reply) != 0 &&
|
||
(wm_user_time = xcb_get_property_value(wm_user_time_reply)) &&
|
||
wm_user_time[0] == 0) {
|
||
DLOG("_NET_WM_USER_TIME set to 0, not focusing con = %p.\n", nc);
|
||
set_focus = false;
|
||
}
|
||
|
||
FREE(wm_user_time_reply);
|
||
} else {
|
||
xcb_discard_reply(conn, wm_user_time_cookie.sequence);
|
||
}
|
||
|
||
if (set_focus) {
|
||
/* Even if the client doesn't want focus, we still need to focus the
|
||
* container to not break focus workflows. Our handling towards X will
|
||
* take care of not setting the input focus. However, one exception to
|
||
* this are clients using the globally active input model which we
|
||
* don't want to focus at all. */
|
||
if (nc->window->doesnt_accept_focus && !nc->window->needs_take_focus) {
|
||
set_focus = false;
|
||
}
|
||
}
|
||
|
||
/* Defer setting focus after the 'new' event has been sent to ensure the
|
||
* proper window event sequence. */
|
||
if (set_focus && nc->mapped) {
|
||
DLOG("Now setting focus.\n");
|
||
con_activate(nc);
|
||
}
|
||
|
||
tree_render();
|
||
|
||
/* Destroy the old frame if we had to reframe the container. This needs to be done
|
||
* after rendering in order to prevent the background from flickering in its place. */
|
||
if (old_frame != XCB_NONE) {
|
||
xcb_destroy_window(conn, old_frame);
|
||
}
|
||
|
||
/* Windows might get managed with the urgency hint already set (Pidgin is
|
||
* known to do that), so check for that and handle the hint accordingly.
|
||
* This code needs to be in this part of manage_window() because the window
|
||
* needs to be on the final workspace first. */
|
||
con_set_urgency(nc, urgency_hint);
|
||
|
||
/* Update _NET_WM_DESKTOP. We invalidate the cached value first to force an update. */
|
||
cwindow->wm_desktop = NET_WM_DESKTOP_NONE;
|
||
ewmh_update_wm_desktop();
|
||
|
||
/* If a sticky window was mapped onto another workspace, make sure to pop it to the front. */
|
||
output_push_sticky_windows(focused);
|
||
|
||
geom_out:
|
||
free(geom);
|
||
out:
|
||
free(attr);
|
||
}
|
||
|
||
/*
|
||
* Remanages a window: performs a swallow check and runs assignments.
|
||
* Returns con for the window regardless if it updated.
|
||
*
|
||
*/
|
||
Con *remanage_window(Con *con) {
|
||
Match *match;
|
||
Con *nc = con_for_window(croot, con->window, &match);
|
||
if (nc == NULL || nc->window == NULL || nc->window == con->window) {
|
||
run_assignments(con->window);
|
||
return con;
|
||
}
|
||
/* Make sure the placeholder that wants to swallow this window didn't spawn
|
||
* after the window to follow current behavior: adding a placeholder won't
|
||
* swallow windows currently managed. */
|
||
if (nc->window->managed_since > con->window->managed_since) {
|
||
run_assignments(con->window);
|
||
return con;
|
||
}
|
||
|
||
if (!restore_kill_placeholder(nc->window->id)) {
|
||
DLOG("Uh?! Container without a placeholder, but with a window, has swallowed this managed window?!\n");
|
||
} else {
|
||
_remove_matches(nc);
|
||
}
|
||
window_free(nc->window);
|
||
|
||
xcb_window_t old_frame = _match_depth(con->window, nc);
|
||
|
||
x_reparent_child(nc, con);
|
||
|
||
bool moved_workpaces = (con_get_workspace(nc) != con_get_workspace(con));
|
||
|
||
con_merge_into(con, nc);
|
||
|
||
/* Destroy the old frame if we had to reframe the container. This needs to be done
|
||
* after rendering in order to prevent the background from flickering in its place. */
|
||
if (old_frame != XCB_NONE) {
|
||
xcb_destroy_window(conn, old_frame);
|
||
}
|
||
|
||
run_assignments(nc->window);
|
||
|
||
if (moved_workpaces) {
|
||
/* If the window is associated with a startup sequence, delete it so
|
||
* child windows won't be created on the old workspace. */
|
||
startup_sequence_delete_by_window(nc->window);
|
||
|
||
ewmh_update_wm_desktop();
|
||
}
|
||
|
||
return nc;
|
||
}
|