5ae4620a24
An example to set all XTerms floating:
for_window [class="XTerm"] mode floating
To make all urxvts use a 1-pixel border:
for_window [class="urxvt"] border 1pixel
A less useful, but rather funny example:
for_window [title="x200: ~/work"] mode floating
The commands are not completely arbitrary. The commands above were tested,
others may need some fixing. Internally, windows are compared against your
criteria (class, title, …) when they are initially managed and whenever one of
the relevant values change. Then, the specified command is run *once* (per
window). It gets prefixed with a criteria to make it match only the specific
window that triggered it. So, if you configure "mode floating", i3 runs
something like '[id="8393923"] mode floating'.
562 lines
24 KiB
C
562 lines
24 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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* © 2009-2010 Michael Stapelberg and contributors (see also: LICENSE)
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*
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* manage.c: Contains all functions for initially managing new windows
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* (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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* 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() {
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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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/* Make sure our changes reach the X server, we restart/exit now */
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xcb_flush(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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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 = 0;
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DLOG("---> looking at window 0x%08x\n", window);
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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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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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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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DLOG("map_state unviewable\n");
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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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DLOG("override_redirect is %d\n", attr->override_redirect);
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if (attr->override_redirect)
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goto out;
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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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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 mask = 0;
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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. We need to be notified of PropertyChanges because the
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* client can change its properties *after* we requested them but *before*
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* we actually reparented it and have set our final event mask. */
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mask = XCB_CW_EVENT_MASK;
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values[0] = XCB_EVENT_MASK_PROPERTY_CHANGE;
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xcb_change_window_attributes(conn, window, mask, values);
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#define GET_PROPERTY(atom, len) xcb_get_property_unchecked(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(A_WM_TRANSIENT_FOR, UINT32_MAX);
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title_cookie = GET_PROPERTY(A_WM_NAME, 128);
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class_cookie = GET_PROPERTY(A_WM_CLASS, 128);
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/* TODO: also get wm_normal_hints here. implement after we got rid of xcb-event */
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DLOG("reparenting!\n");
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i3Window *cwindow = scalloc(sizeof(i3Window));
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cwindow->id = window;
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/* We need to grab the mouse buttons for click to focus */
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xcb_grab_button(conn, false, window, XCB_EVENT_MASK_BUTTON_PRESS,
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XCB_GRAB_MODE_SYNC, XCB_GRAB_MODE_ASYNC, root, XCB_NONE,
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1 /* left mouse button */,
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XCB_BUTTON_MASK_ANY /* don’t filter for any modifiers */);
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xcb_grab_button(conn, false, window, XCB_EVENT_MASK_BUTTON_PRESS,
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XCB_GRAB_MODE_SYNC, XCB_GRAB_MODE_ASYNC, root, XCB_NONE,
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3 /* right mouse button */,
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XCB_BUTTON_MASK_ANY /* don’t filter for any modifiers */);
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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), true);
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window_update_name_legacy(cwindow, xcb_get_property_reply(conn, title_cookie, NULL), true);
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window_update_name(cwindow, xcb_get_property_reply(conn, utf8_title_cookie, NULL), true);
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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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/* 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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/* Where to start searching for a container that swallows the new one? */
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Con *search_at = croot;
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xcb_get_property_reply_t *reply = xcb_get_property_reply(conn, wm_type_cookie, NULL);
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if (xcb_reply_contains_atom(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->name);
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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 < (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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Con *nc = NULL;
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Match *match;
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/* check assignments first */
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if ((match = match_by_assignment(cwindow))) {
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DLOG("Assignment matches (%p)\n", match);
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if (match->insert_where == M_ASSIGN_WS) {
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nc = con_descend_focused(workspace_get(match->target_ws, NULL));
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DLOG("focused on ws %s: %p / %s\n", match->target_ws, nc, nc->name);
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if (nc->type == CT_WORKSPACE)
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nc = tree_open_con(nc);
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else nc = tree_open_con(nc->parent);
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}
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} else {
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/* TODO: two matches for one container */
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/* See if any container swallows this new window */
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nc = con_for_window(search_at, cwindow, &match);
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if (nc == NULL) {
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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 nc = tree_open_con(NULL);
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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);
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}
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}
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}
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DLOG("new container = %p\n", nc);
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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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asprintf(&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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Con *ws = con_get_workspace(nc);
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Con *fs = (ws ? con_get_fullscreen_con(ws) : NULL);
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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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con_focus(nc);
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else DLOG("dock, not focusing\n");
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} else {
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DLOG("fs = %p, ws = %p, not focusing\n", fs, ws);
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/* Insert the new container in focus stack *after* the currently
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* focused (fullscreen) con. This way, the new container will be
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* focused after we return from fullscreen mode */
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Con *first = TAILQ_FIRST(&(nc->parent->focus_head));
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TAILQ_REMOVE(&(nc->parent->focus_head), nc, focused);
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TAILQ_INSERT_AFTER(&(nc->parent->focus_head), first, nc, focused);
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}
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/* set floating if necessary */
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bool want_floating = false;
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if (xcb_reply_contains_atom(reply, A__NET_WM_WINDOW_TYPE_DIALOG) ||
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xcb_reply_contains_atom(reply, A__NET_WM_WINDOW_TYPE_UTILITY) ||
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xcb_reply_contains_atom(reply, A__NET_WM_WINDOW_TYPE_TOOLBAR) ||
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xcb_reply_contains_atom(reply, A__NET_WM_WINDOW_TYPE_SPLASH)) {
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LOG("This window is a dialog window, setting floating\n");
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want_floating = true;
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}
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if (cwindow->transient_for != XCB_NONE ||
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(cwindow->leader != XCB_NONE &&
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cwindow->leader != cwindow->id &&
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con_by_window_id(cwindow->leader) != NULL)) {
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LOG("This window is transiert for another window, setting floating\n");
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want_floating = true;
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if (config.popup_during_fullscreen == PDF_LEAVE_FULLSCREEN &&
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fs != NULL) {
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LOG("There is a fullscreen window, leaving fullscreen mode\n");
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con_toggle_fullscreen(fs);
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}
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}
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/* dock clients cannot be floating, that makes no sense */
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if (cwindow->dock)
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want_floating = false;
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/* Store the requested geometry. The width/height gets raised to at least
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* 75x50 when entering floating mode, which is the minimum size for a
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* window to be useful (smaller windows are usually overlays/toolbars/…
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* which are not managed by the wm anyways). We store the original geometry
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* here because it’s used for dock clients. */
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nc->geometry = (Rect){ geom->x, geom->y, geom->width, geom->height };
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if (want_floating) {
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DLOG("geometry = %d x %d\n", nc->geometry.width, nc->geometry.height);
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floating_enable(nc, false);
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}
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/* to avoid getting an UnmapNotify event due to reparenting, we temporarily
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* declare no interest in any state change event of this window */
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values[0] = XCB_NONE;
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xcb_change_window_attributes(conn, window, XCB_CW_EVENT_MASK, values);
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xcb_void_cookie_t rcookie = xcb_reparent_window_checked(conn, window, nc->frame, 0, 0);
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if (xcb_request_check(conn, rcookie) != NULL) {
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LOG("Could not reparent the window, aborting\n");
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goto out;
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}
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mask = XCB_CW_EVENT_MASK;
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values[0] = CHILD_EVENT_MASK;
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xcb_change_window_attributes(conn, window, mask, values);
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reply = xcb_get_property_reply(conn, state_cookie, NULL);
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if (xcb_reply_contains_atom(reply, A__NET_WM_STATE_FULLSCREEN))
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con_toggle_fullscreen(nc);
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/* Put the client inside the save set. Upon termination (whether killed or
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* normal exit does not matter) of the window manager, these clients will
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* be correctly reparented to their most closest living ancestor (=
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* cleanup) */
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xcb_change_save_set(conn, XCB_SET_MODE_INSERT, window);
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/* Check if any assignments match */
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run_assignments(cwindow);
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tree_render();
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free(geom);
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out:
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free(attr);
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return;
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}
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#if 0
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void reparent_window(xcb_connection_t *conn, xcb_window_t child,
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xcb_visualid_t visual, xcb_window_t root, uint8_t depth,
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int16_t x, int16_t y, uint16_t width, uint16_t height,
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uint32_t border_width) {
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/* Minimum useful size for managed windows is 75x50 (primarily affects floating) */
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width = max(width, 75);
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height = max(height, 50);
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if (config.default_border != NULL)
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client_init_border(conn, new, config.default_border[1]);
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/* We need to grab the mouse buttons for click to focus */
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xcb_grab_button(conn, false, child, XCB_EVENT_MASK_BUTTON_PRESS,
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XCB_GRAB_MODE_SYNC, XCB_GRAB_MODE_ASYNC, root, XCB_NONE,
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1 /* left mouse button */,
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XCB_BUTTON_MASK_ANY /* don’t filter for any modifiers */);
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xcb_grab_button(conn, false, child, XCB_EVENT_MASK_BUTTON_PRESS,
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XCB_GRAB_MODE_SYNC, XCB_GRAB_MODE_ASYNC, root, XCB_NONE,
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3 /* right mouse button */,
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XCB_BUTTON_MASK_ANY /* don’t filter for any modifiers */);
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if (dock) {
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DLOG("Window is a dock.\n");
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Output *t_out = get_output_containing(x, y);
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if (t_out != c_ws->output) {
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DLOG("Dock client requested to be on output %s by geometry (%d, %d)\n",
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t_out->name, x, y);
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new->workspace = t_out->current_workspace;
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}
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new->dock = true;
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new->borderless = true;
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new->titlebar_position = TITLEBAR_OFF;
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new->force_reconfigure = true;
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new->container = NULL;
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SLIST_INSERT_HEAD(&(t_out->dock_clients), new, dock_clients);
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/* If it’s a dock we can’t make it float, so we break */
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new->floating = FLOATING_AUTO_OFF;
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}
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/* All clients which have a leader should be floating */
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if (!new->dock && !client_is_floating(new) && new->leader != 0) {
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DLOG("Client has WM_CLIENT_LEADER hint set, setting floating\n");
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new->floating = FLOATING_AUTO_ON;
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}
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if (new->workspace->auto_float) {
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new->floating = FLOATING_AUTO_ON;
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DLOG("workspace is in autofloat mode, setting floating\n");
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}
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if (new->dock) {
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/* Get _NET_WM_STRUT_PARTIAL to determine the client’s requested height */
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uint32_t *strut;
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preply = xcb_get_property_reply(conn, strut_cookie, NULL);
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if (preply != NULL && preply->value_len > 0 && (strut = xcb_get_property_value(preply))) {
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/* We only use a subset of the provided values, namely the reserved space at the top/bottom
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of the screen. This is because the only possibility for bars is at to be at the top/bottom
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with maximum horizontal size.
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TODO: bars at the top */
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new->desired_height = strut[3];
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if (new->desired_height == 0) {
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DLOG("Client wanted to be 0 pixels high, using the window's height (%d)\n", original_height);
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new->desired_height = original_height;
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}
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DLOG("the client wants to be %d pixels high\n", new->desired_height);
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} else {
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DLOG("The client didn't specify space to reserve at the screen edge, using its height (%d)\n", original_height);
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new->desired_height = original_height;
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}
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} else {
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/* If it’s not a dock, we can check on which workspace we should put it. */
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/* Firstly, we need to get the window’s class / title. We asked for the properties at the
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* top of this function, get them now and pass them to our callback function for window class / title
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* changes. It is important that the client was already inserted into the by_child table,
|
||
* because the callbacks won’t work otherwise. */
|
||
preply = xcb_get_property_reply(conn, utf8_title_cookie, NULL);
|
||
handle_windowname_change(NULL, conn, 0, new->child, atoms[_NET_WM_NAME], preply);
|
||
|
||
preply = xcb_get_property_reply(conn, title_cookie, NULL);
|
||
handle_windowname_change_legacy(NULL, conn, 0, new->child, WM_NAME, preply);
|
||
|
||
preply = xcb_get_property_reply(conn, class_cookie, NULL);
|
||
handle_windowclass_change(NULL, conn, 0, new->child, WM_CLASS, preply);
|
||
|
||
/* if WM_CLIENT_LEADER is set, we put the new window on the
|
||
* same window as its leader. This might be overwritten by
|
||
* assignments afterwards. */
|
||
if (new->leader != XCB_NONE) {
|
||
DLOG("client->leader is set (to 0x%08x)\n", new->leader);
|
||
Client *parent = table_get(&by_child, new->leader);
|
||
if (parent != NULL && parent->container != NULL) {
|
||
Workspace *t_ws = parent->workspace;
|
||
new->container = t_ws->table[parent->container->col][parent->container->row];
|
||
new->workspace = t_ws;
|
||
old_focused = new->container->currently_focused;
|
||
map_frame = workspace_is_visible(t_ws);
|
||
new->urgent = true;
|
||
/* This is a little tricky: we cannot use
|
||
* workspace_update_urgent_flag() because the
|
||
* new window was not yet inserted into the
|
||
* focus stack on t_ws. */
|
||
t_ws->urgent = true;
|
||
} else {
|
||
DLOG("parent is not usable\n");
|
||
}
|
||
}
|
||
|
||
struct Assignment *assign;
|
||
TAILQ_FOREACH(assign, &assignments, assignments) {
|
||
if (get_matching_client(conn, assign->windowclass_title, new) == NULL)
|
||
continue;
|
||
|
||
if (assign->floating == ASSIGN_FLOATING_ONLY ||
|
||
assign->floating == ASSIGN_FLOATING) {
|
||
new->floating = FLOATING_AUTO_ON;
|
||
LOG("Assignment matches, putting client into floating mode\n");
|
||
if (assign->floating == ASSIGN_FLOATING_ONLY)
|
||
break;
|
||
}
|
||
|
||
LOG("Assignment \"%s\" matches, so putting it on workspace %d\n",
|
||
assign->windowclass_title, assign->workspace);
|
||
|
||
if (c_ws->output->current_workspace->num == (assign->workspace-1)) {
|
||
DLOG("We are already there, no need to do anything\n");
|
||
break;
|
||
}
|
||
|
||
DLOG("Changing container/workspace and unmapping the client\n");
|
||
Workspace *t_ws = workspace_get(assign->workspace-1, NULL);
|
||
workspace_initialize(t_ws, c_ws->output, false);
|
||
|
||
new->container = t_ws->table[t_ws->current_col][t_ws->current_row];
|
||
new->workspace = t_ws;
|
||
old_focused = new->container->currently_focused;
|
||
|
||
map_frame = workspace_is_visible(t_ws);
|
||
break;
|
||
}
|
||
}
|
||
|
||
|
||
if (client_is_floating(new)) {
|
||
SLIST_INSERT_HEAD(&(new->workspace->focus_stack), new, focus_clients);
|
||
|
||
/* Add the client to the list of floating clients for its workspace */
|
||
TAILQ_INSERT_TAIL(&(new->workspace->floating_clients), new, floating_clients);
|
||
|
||
new->container = NULL;
|
||
|
||
new->rect.width = new->floating_rect.width + 2 + 2;
|
||
new->rect.height = new->floating_rect.height + (font->height + 2 + 2) + 2;
|
||
|
||
/* Some clients (like GIMP’s color picker window) get mapped
|
||
* to (0, 0), so we push them to a reasonable position
|
||
* (centered over their leader) */
|
||
if (new->leader != 0 && x == 0 && y == 0) {
|
||
DLOG("Floating client wants to (0x0), moving it over its leader instead\n");
|
||
Client *leader = table_get(&by_child, new->leader);
|
||
if (leader == NULL) {
|
||
DLOG("leader is NULL, centering it over current workspace\n");
|
||
|
||
x = c_ws->rect.x + (c_ws->rect.width / 2) - (new->rect.width / 2);
|
||
y = c_ws->rect.y + (c_ws->rect.height / 2) - (new->rect.height / 2);
|
||
} else {
|
||
x = leader->rect.x + (leader->rect.width / 2) - (new->rect.width / 2);
|
||
y = leader->rect.y + (leader->rect.height / 2) - (new->rect.height / 2);
|
||
}
|
||
}
|
||
new->floating_rect.x = new->rect.x = x;
|
||
new->floating_rect.y = new->rect.y = y;
|
||
DLOG("copying floating_rect from tiling (%d, %d) size (%d, %d)\n",
|
||
new->floating_rect.x, new->floating_rect.y,
|
||
new->floating_rect.width, new->floating_rect.height);
|
||
DLOG("outer rect (%d, %d) size (%d, %d)\n",
|
||
new->rect.x, new->rect.y, new->rect.width, new->rect.height);
|
||
|
||
/* Make sure it is on top of the other windows */
|
||
xcb_raise_window(conn, new->frame);
|
||
reposition_client(conn, new);
|
||
resize_client(conn, new);
|
||
/* redecorate_window flushes */
|
||
redecorate_window(conn, new);
|
||
}
|
||
|
||
new->initialized = true;
|
||
|
||
|
||
render_layout(conn);
|
||
|
||
map:
|
||
/* Map the window first to avoid flickering */
|
||
xcb_map_window(conn, child);
|
||
if (map_frame)
|
||
client_map(conn, new);
|
||
|
||
if ((CUR_CELL->workspace->fullscreen_client == NULL || new->fullscreen) && !new->dock) {
|
||
/* Focus the new window if we’re not in fullscreen mode and if it is not a dock window */
|
||
if ((new->workspace->fullscreen_client == NULL) || new->fullscreen) {
|
||
if (!client_is_floating(new)) {
|
||
new->container->currently_focused = new;
|
||
if (map_frame)
|
||
render_container(conn, new->container);
|
||
}
|
||
if (new->container == CUR_CELL || client_is_floating(new)) {
|
||
xcb_set_input_focus(conn, XCB_INPUT_FOCUS_POINTER_ROOT, new->child, XCB_CURRENT_TIME);
|
||
ewmh_update_active_window(new->child);
|
||
}
|
||
}
|
||
}
|
||
|
||
xcb_flush(conn);
|
||
}
|
||
#endif
|