2 * vim:ts=4:sw=4:expandtab
4 * i3 - an improved dynamic tiling window manager
5 * © 2009-2010 Michael Stapelberg and contributors (see also: LICENSE)
10 #include <xcb/xcb_atom.h>
11 #include <xcb/randr.h>
13 #include <X11/XKBlib.h>
17 /* After mapping/unmapping windows, a notify event is generated. However, we don’t want it,
18 since it’d trigger an infinite loop of switching between the different windows when
19 changing workspaces */
20 static SLIST_HEAD(ignore_head, Ignore_Event) ignore_events;
22 static void add_ignore_event(const int sequence) {
23 struct Ignore_Event *event = smalloc(sizeof(struct Ignore_Event));
25 event->sequence = sequence;
26 event->added = time(NULL);
28 SLIST_INSERT_HEAD(&ignore_events, event, ignore_events);
32 * Checks if the given sequence is ignored and returns true if so.
35 static bool event_is_ignored(const int sequence) {
36 struct Ignore_Event *event;
37 time_t now = time(NULL);
38 for (event = SLIST_FIRST(&ignore_events); event != SLIST_END(&ignore_events);) {
39 if ((now - event->added) > 5) {
40 struct Ignore_Event *save = event;
41 event = SLIST_NEXT(event, ignore_events);
42 SLIST_REMOVE(&ignore_events, save, Ignore_Event, ignore_events);
44 } else event = SLIST_NEXT(event, ignore_events);
47 SLIST_FOREACH(event, &ignore_events, ignore_events) {
48 if (event->sequence != sequence)
51 SLIST_REMOVE(&ignore_events, event, Ignore_Event, ignore_events);
60 * There was a key press. We compare this key code with our bindings table and pass
61 * the bound action to parse_command().
64 int handle_key_press(void *ignored, xcb_connection_t *conn, xcb_key_press_event_t *event) {
65 DLOG("Keypress %d, state raw = %d\n", event->detail, event->state);
67 /* Remove the numlock bit, all other bits are modifiers we can bind to */
68 uint16_t state_filtered = event->state & ~(xcb_numlock_mask | XCB_MOD_MASK_LOCK);
69 DLOG("(removed numlock, state = %d)\n", state_filtered);
70 /* Only use the lower 8 bits of the state (modifier masks) so that mouse
71 * button masks are filtered out */
72 state_filtered &= 0xFF;
73 DLOG("(removed upper 8 bits, state = %d)\n", state_filtered);
75 if (xkb_current_group == XkbGroup2Index)
76 state_filtered |= BIND_MODE_SWITCH;
78 DLOG("(checked mode_switch, state %d)\n", state_filtered);
80 /* Find the binding */
81 Binding *bind = get_binding(state_filtered, event->detail);
83 /* No match? Then the user has Mode_switch enabled but does not have a
84 * specific keybinding. Fall back to the default keybindings (without
85 * Mode_switch). Makes it much more convenient for users of a hybrid
86 * layout (like us, ru). */
88 state_filtered &= ~(BIND_MODE_SWITCH);
89 DLOG("no match, new state_filtered = %d\n", state_filtered);
90 if ((bind = get_binding(state_filtered, event->detail)) == NULL) {
91 ELOG("Could not lookup key binding (modifiers %d, keycode %d)\n",
92 state_filtered, event->detail);
97 parse_command(bind->command);
104 * Called with coordinates of an enter_notify event or motion_notify event
105 * to check if the user crossed virtual screen boundaries and adjust the
106 * current workspace, if so.
109 static void check_crossing_screen_boundary(uint32_t x, uint32_t y) {
112 if ((output = get_output_containing(x, y)) == NULL) {
113 ELOG("ERROR: No such screen\n");
116 if (output == c_ws->output)
119 c_ws->current_row = current_row;
120 c_ws->current_col = current_col;
121 c_ws = output->current_workspace;
122 current_row = c_ws->current_row;
123 current_col = c_ws->current_col;
124 DLOG("We're now on output %p\n", output);
126 /* While usually this function is only called when the user switches
127 * to a different output using his mouse (and thus the output is
128 * empty), it may be that the following race condition occurs:
129 * 1) the user actives a new output (say VGA1).
130 * 2) the cursor is sent to the first pixel of the new VGA1, thus
131 * generating an enter_notify for the screen (the enter_notify
132 * is not yet received by i3).
133 * 3) i3 requeries screen configuration and maps a workspace onto the
135 * 4) the enter_notify event arrives and c_ws is set to the new
136 * workspace but the existing windows on the new workspace are not
139 * Therefore, we re-set the focus here to be sure it’s correct. */
140 Client *first_client = SLIST_FIRST(&(c_ws->focus_stack));
141 if (first_client != NULL)
142 set_focus(global_conn, first_client, true);
147 * When the user moves the mouse pointer onto a window, this callback gets called.
150 int handle_enter_notify(void *ignored, xcb_connection_t *conn,
151 xcb_enter_notify_event_t *event) {
154 DLOG("enter_notify for %08x, mode = %d, detail %d, serial %d\n",
155 event->event, event->mode, event->detail, event->sequence);
156 DLOG("coordinates %x, %x\n", event->event_x, event->event_y);
157 if (event->mode != XCB_NOTIFY_MODE_NORMAL) {
158 DLOG("This was not a normal notify, ignoring\n");
161 /* Some events are not interesting, because they were not generated
162 * actively by the user, but by reconfiguration of windows */
163 if (event_is_ignored(event->sequence))
166 /* Get container by frame or by child window */
167 if ((con = con_by_frame_id(event->event)) == NULL)
168 con = con_by_window_id(event->event);
170 /* If not, then the user moved his cursor to the root window. In that case, we adjust c_ws */
172 DLOG("Getting screen at %d x %d\n", event->root_x, event->root_y);
173 //check_crossing_screen_boundary(event->root_x, event->root_y);
177 /* see if the user entered the window on a certain window decoration */
178 int layout = con->layout;
180 TAILQ_FOREACH(child, &(con->nodes_head), nodes)
181 if (rect_contains(child->deco_rect, event->event_x, event->event_y)) {
182 LOG("using child %p / %s instead!\n", child, child->name);
187 /* for stacked/tabbed layout we do not want to change focus when the user
188 * enters the window at the decoration of any child window. */
189 if (layout == L_STACKED || layout == L_TABBED) {
190 con = TAILQ_FIRST(&(con->parent->focus_head));
191 LOG("using focused %p / %s instead\n", con, con->name);
195 if (client->workspace != c_ws && client->workspace->output == c_ws->output) {
196 /* This can happen when a client gets assigned to a different workspace than
197 * the current one (see src/mainx.c:reparent_window). Shortly after it was created,
198 * an enter_notify will follow. */
199 DLOG("enter_notify for a client on a different workspace but the same screen, ignoring\n");
204 if (config.disable_focus_follows_mouse)
207 while (!TAILQ_EMPTY(&(next->focus_head)))
208 next = TAILQ_FIRST(&(next->focus_head));
211 x_push_changes(croot);
218 * When the user moves the mouse but does not change the active window
219 * (e.g. when having no windows opened but moving mouse on the root screen
220 * and crossing virtual screen boundaries), this callback gets called.
223 int handle_motion_notify(void *ignored, xcb_connection_t *conn, xcb_motion_notify_event_t *event) {
224 /* Skip events where the pointer was over a child window, we are only
225 * interested in events on the root window. */
226 if (event->child != 0)
229 check_crossing_screen_boundary(event->root_x, event->root_y);
235 * Called when the keyboard mapping changes (for example by using Xmodmap),
236 * we need to update our key bindings then (re-translate symbols).
239 int handle_mapping_notify(void *ignored, xcb_connection_t *conn, xcb_mapping_notify_event_t *event) {
240 if (event->request != XCB_MAPPING_KEYBOARD &&
241 event->request != XCB_MAPPING_MODIFIER)
244 DLOG("Received mapping_notify for keyboard or modifier mapping, re-grabbing keys\n");
245 xcb_refresh_keyboard_mapping(keysyms, event);
247 xcb_get_numlock_mask(conn);
249 ungrab_all_keys(conn);
251 grab_all_keys(conn, false);
258 * A new window appeared on the screen (=was mapped), so let’s manage it.
261 int handle_map_request(void *prophs, xcb_connection_t *conn, xcb_map_request_event_t *event) {
262 xcb_get_window_attributes_cookie_t cookie;
264 cookie = xcb_get_window_attributes_unchecked(conn, event->window);
266 DLOG("window = 0x%08x, serial is %d.\n", event->window, event->sequence);
267 add_ignore_event(event->sequence);
269 manage_window(event->window, cookie, false);
274 * Configure requests are received when the application wants to resize windows on their own.
276 * We generate a synthethic configure notify event to signalize the client its "new" position.
279 int handle_configure_request(void *prophs, xcb_connection_t *conn, xcb_configure_request_event_t *event) {
280 DLOG("window 0x%08x wants to be at %dx%d with %dx%d\n",
281 event->window, event->x, event->y, event->width, event->height);
283 Client *client = table_get(&by_child, event->window);
284 if (client == NULL) {
288 #define COPY_MASK_MEMBER(mask_member, event_member) do { \
289 if (event->value_mask & mask_member) { \
290 mask |= mask_member; \
291 values[c++] = event->event_member; \
295 COPY_MASK_MEMBER(XCB_CONFIG_WINDOW_X, x);
296 COPY_MASK_MEMBER(XCB_CONFIG_WINDOW_Y, y);
297 COPY_MASK_MEMBER(XCB_CONFIG_WINDOW_WIDTH, width);
298 COPY_MASK_MEMBER(XCB_CONFIG_WINDOW_HEIGHT, height);
299 COPY_MASK_MEMBER(XCB_CONFIG_WINDOW_BORDER_WIDTH, border_width);
300 COPY_MASK_MEMBER(XCB_CONFIG_WINDOW_SIBLING, sibling);
301 COPY_MASK_MEMBER(XCB_CONFIG_WINDOW_STACK_MODE, stack_mode);
303 xcb_configure_window(conn, event->window, mask, values);
309 if (client->fullscreen) {
310 DLOG("Client is in fullscreen mode\n");
312 Rect child_rect = client->workspace->rect;
313 child_rect.x = child_rect.y = 0;
314 fake_configure_notify(conn, child_rect, client->child);
319 /* Floating clients can be reconfigured */
320 if (client_is_floating(client)) {
321 i3Font *font = load_font(conn, config.font);
322 int mode = (client->container != NULL ? client->container->mode : MODE_DEFAULT);
323 /* TODO: refactor this code. we need a function to translate
324 * coordinates of child_rect/rect. */
326 if (event->value_mask & XCB_CONFIG_WINDOW_X) {
327 if (mode == MODE_STACK || mode == MODE_TABBED) {
328 client->rect.x = event->x - 2;
330 if (client->titlebar_position == TITLEBAR_OFF && client->borderless)
331 client->rect.x = event->x;
332 else if (client->titlebar_position == TITLEBAR_OFF && !client->borderless)
333 client->rect.x = event->x - 1;
334 else client->rect.x = event->x - 2;
337 if (event->value_mask & XCB_CONFIG_WINDOW_Y) {
338 if (mode == MODE_STACK || mode == MODE_TABBED) {
339 client->rect.y = event->y - 2;
341 if (client->titlebar_position == TITLEBAR_OFF && client->borderless)
342 client->rect.y = event->y;
343 else if (client->titlebar_position == TITLEBAR_OFF && !client->borderless)
344 client->rect.y = event->y - 1;
345 else client->rect.y = event->y - font->height - 2 - 2;
348 if (event->value_mask & XCB_CONFIG_WINDOW_WIDTH) {
349 if (mode == MODE_STACK || mode == MODE_TABBED) {
350 client->rect.width = event->width + 2 + 2;
352 if (client->titlebar_position == TITLEBAR_OFF && client->borderless)
353 client->rect.width = event->width;
354 else if (client->titlebar_position == TITLEBAR_OFF && !client->borderless)
355 client->rect.width = event->width + (1 + 1);
356 else client->rect.width = event->width + (2 + 2);
359 if (event->value_mask & XCB_CONFIG_WINDOW_HEIGHT) {
360 if (mode == MODE_STACK || mode == MODE_TABBED) {
361 client->rect.height = event->height + 2;
363 if (client->titlebar_position == TITLEBAR_OFF && client->borderless)
364 client->rect.height = event->height;
365 else if (client->titlebar_position == TITLEBAR_OFF && !client->borderless)
366 client->rect.height = event->height + (1 + 1);
367 else client->rect.height = event->height + (font->height + 2 + 2) + 2;
371 DLOG("Accepted new position/size for floating client: (%d, %d) size %d x %d\n",
372 client->rect.x, client->rect.y, client->rect.width, client->rect.height);
374 /* Push the new position/size to X11 */
375 reposition_client(conn, client);
376 resize_client(conn, client);
382 /* Dock clients can be reconfigured in their height */
384 DLOG("Reconfiguring height of this dock client\n");
386 if (!(event->value_mask & XCB_CONFIG_WINDOW_HEIGHT)) {
387 DLOG("Ignoring configure request, no height given\n");
391 client->desired_height = event->height;
392 render_workspace(conn, c_ws->output, c_ws);
398 if (client->fullscreen) {
399 DLOG("Client is in fullscreen mode\n");
401 Rect child_rect = client->container->workspace->rect;
402 child_rect.x = child_rect.y = 0;
403 fake_configure_notify(conn, child_rect, client->child);
408 fake_absolute_configure_notify(conn, client);
414 * Configuration notifies are only handled because we need to set up ignore for
415 * the following enter notify events.
418 int handle_configure_event(void *prophs, xcb_connection_t *conn, xcb_configure_notify_event_t *event) {
419 /* We ignore this sequence twice because events for child and frame should be ignored */
420 add_ignore_event(event->sequence);
421 add_ignore_event(event->sequence);
427 * Gets triggered upon a RandR screen change event, that is when the user
428 * changes the screen configuration in any way (mode, position, …)
431 int handle_screen_change(void *prophs, xcb_connection_t *conn,
432 xcb_generic_event_t *e) {
433 DLOG("RandR screen change\n");
435 randr_query_outputs(conn);
437 ipc_send_event("output", I3_IPC_EVENT_OUTPUT, "{\"change\":\"unspecified\"}");
444 * Our window decorations were unmapped. That means, the window will be killed
445 * now, so we better clean up before.
448 int handle_unmap_notify_event(void *data, xcb_connection_t *conn, xcb_unmap_notify_event_t *event) {
450 //add_ignore_event(event->sequence);
452 DLOG("UnmapNotify for 0x%08x (received from 0x%08x)\n", event->window, event->event);
453 Con *con = con_by_window_id(event->window);
455 LOG("Not a managed window, ignoring\n");
461 x_push_changes(croot);
465 if (client == NULL) {
466 DLOG("not a managed window. Ignoring.\n");
468 /* This was most likely the destroyed frame of a client which is
469 * currently being unmapped, so we add this sequence (again!) to
470 * the ignore list (enter_notify events will get sent for both,
471 * the child and its frame). */
472 add_ignore_event(event->sequence);
480 /* Let’s see how many clients there are left on the workspace to delete it if it’s empty */
481 bool workspace_empty = SLIST_EMPTY(&(client->workspace->focus_stack));
482 bool workspace_focused = (c_ws == client->workspace);
483 Client *to_focus = (!workspace_empty ? SLIST_FIRST(&(client->workspace->focus_stack)) : NULL);
485 /* If this workspace is currently visible, we don’t delete it */
486 if (workspace_is_visible(client->workspace))
487 workspace_empty = false;
489 if (workspace_empty) {
490 client->workspace->output = NULL;
491 ipc_send_event("workspace", I3_IPC_EVENT_WORKSPACE, "{\"change\":\"empty\"}");
494 /* Remove the urgency flag if set */
495 client->urgent = false;
496 workspace_update_urgent_flag(client->workspace);
506 * A destroy notify event is sent when the window is not unmapped, but
507 * immediately destroyed (for example when starting a window and immediately
508 * killing the program which started it).
510 * We just pass on the event to the unmap notify handler (by copying the
511 * important fields in the event data structure).
514 int handle_destroy_notify_event(void *data, xcb_connection_t *conn, xcb_destroy_notify_event_t *event) {
515 DLOG("destroy notify for 0x%08x, 0x%08x\n", event->event, event->window);
517 xcb_unmap_notify_event_t unmap;
518 unmap.sequence = event->sequence;
519 unmap.event = event->event;
520 unmap.window = event->window;
522 return handle_unmap_notify_event(NULL, conn, &unmap);
526 * Called when a window changes its title
529 int handle_windowname_change(void *data, xcb_connection_t *conn, uint8_t state,
530 xcb_window_t window, xcb_atom_t atom, xcb_get_property_reply_t *prop) {
532 if ((con = con_by_window_id(window)) == NULL || con->window == NULL)
535 window_update_name(con->window, prop);
537 x_push_changes(croot);
543 * Handles legacy window name updates (WM_NAME), see also src/window.c,
544 * window_update_name_legacy().
547 int handle_windowname_change_legacy(void *data, xcb_connection_t *conn, uint8_t state,
548 xcb_window_t window, xcb_atom_t atom, xcb_get_property_reply_t *prop) {
550 if ((con = con_by_window_id(window)) == NULL || con->window == NULL)
553 window_update_name_legacy(con->window, prop);
555 x_push_changes(croot);
561 * Updates the client’s WM_CLASS property
564 int handle_windowclass_change(void *data, xcb_connection_t *conn, uint8_t state,
565 xcb_window_t window, xcb_atom_t atom, xcb_get_property_reply_t *prop) {
567 if ((con = con_by_window_id(window)) == NULL || con->window == NULL)
570 window_update_class(con->window, prop);
576 * Expose event means we should redraw our windows (= title bar)
579 int handle_expose_event(void *data, xcb_connection_t *conn, xcb_expose_event_t *event) {
582 /* event->count is the number of minimum remaining expose events for this
583 * window, so we skip all events but the last one */
584 if (event->count != 0)
587 DLOG("window = %08x\n", event->window);
589 if ((parent = con_by_frame_id(event->window)) == NULL) {
590 LOG("expose event for unknown window, ignoring\n");
594 TAILQ_FOREACH(con, &(parent->nodes_head), nodes) {
595 LOG("expose for con %p / %s\n", con, con->name);
597 x_draw_decoration(con);
605 uint32_t background_color;
607 background_color = config.client.urgent.background;
608 /* Distinguish if the window is currently focused… */
609 else if (CUR_CELL != NULL && CUR_CELL->currently_focused == client)
610 background_color = config.client.focused.background;
611 /* …or if it is the focused window in a not focused container */
612 else background_color = config.client.focused_inactive.background;
614 /* Set foreground color to current focused color, line width to 2 */
615 uint32_t values[] = {background_color, 2};
616 xcb_change_gc(conn, client->titlegc, XCB_GC_FOREGROUND | XCB_GC_LINE_WIDTH, values);
618 /* Draw the border, the ±1 is for line width = 2 */
619 xcb_point_t points[] = {{1, 0}, /* left upper edge */
620 {1, client->rect.height-1}, /* left bottom edge */
621 {client->rect.width-1, client->rect.height-1}, /* right bottom edge */
622 {client->rect.width-1, 0}}; /* right upper edge */
623 xcb_poly_line(conn, XCB_COORD_MODE_ORIGIN, client->frame, client->titlegc, 4, points);
625 /* Draw a black background */
626 xcb_change_gc_single(conn, client->titlegc, XCB_GC_FOREGROUND, get_colorpixel(conn, "#000000"));
627 if (client->titlebar_position == TITLEBAR_OFF && !client->borderless) {
628 xcb_rectangle_t crect = {1, 0, client->rect.width - (1 + 1), client->rect.height - 1};
629 xcb_poly_fill_rectangle(conn, client->frame, client->titlegc, 1, &crect);
631 xcb_rectangle_t crect = {2, 0, client->rect.width - (2 + 2), client->rect.height - 2};
632 xcb_poly_fill_rectangle(conn, client->frame, client->titlegc, 1, &crect);
642 * Handle client messages (EWMH)
645 int handle_client_message(void *data, xcb_connection_t *conn, xcb_client_message_event_t *event) {
646 if (event->type == atoms[_NET_WM_STATE]) {
647 if (event->format != 32 || event->data.data32[1] != atoms[_NET_WM_STATE_FULLSCREEN])
650 Client *client = table_get(&by_child, event->window);
654 /* Check if the fullscreen state should be toggled */
655 if ((client->fullscreen &&
656 (event->data.data32[0] == _NET_WM_STATE_REMOVE ||
657 event->data.data32[0] == _NET_WM_STATE_TOGGLE)) ||
658 (!client->fullscreen &&
659 (event->data.data32[0] == _NET_WM_STATE_ADD ||
660 event->data.data32[0] == _NET_WM_STATE_TOGGLE)))
661 client_toggle_fullscreen(conn, client);
663 ELOG("unhandled clientmessage\n");
670 int handle_window_type(void *data, xcb_connection_t *conn, uint8_t state, xcb_window_t window,
671 xcb_atom_t atom, xcb_get_property_reply_t *property) {
672 /* TODO: Implement this one. To do this, implement a little test program which sleep(1)s
673 before changing this property. */
674 ELOG("_NET_WM_WINDOW_TYPE changed, this is not yet implemented.\n");
679 * Handles the size hints set by a window, but currently only the part necessary for displaying
680 * clients proportionally inside their frames (mplayer for example)
682 * See ICCCM 4.1.2.3 for more details
685 int handle_normal_hints(void *data, xcb_connection_t *conn, uint8_t state, xcb_window_t window,
686 xcb_atom_t name, xcb_get_property_reply_t *reply) {
687 Client *client = table_get(&by_child, window);
688 if (client == NULL) {
689 DLOG("Received WM_SIZE_HINTS for unknown client\n");
692 xcb_size_hints_t size_hints;
696 /* If the hints were already in this event, use them, if not, request them */
698 xcb_get_wm_size_hints_from_reply(&size_hints, reply);
700 xcb_get_wm_normal_hints_reply(conn, xcb_get_wm_normal_hints_unchecked(conn, client->child), &size_hints, NULL);
702 if ((size_hints.flags & XCB_SIZE_HINT_P_MIN_SIZE)) {
703 // TODO: Minimum size is not yet implemented
704 DLOG("Minimum size: %d (width) x %d (height)\n", size_hints.min_width, size_hints.min_height);
707 bool changed = false;
708 if ((size_hints.flags & XCB_SIZE_HINT_P_RESIZE_INC)) {
709 if (size_hints.width_inc > 0 && size_hints.width_inc < 0xFFFF)
710 if (client->width_increment != size_hints.width_inc) {
711 client->width_increment = size_hints.width_inc;
714 if (size_hints.height_inc > 0 && size_hints.height_inc < 0xFFFF)
715 if (client->height_increment != size_hints.height_inc) {
716 client->height_increment = size_hints.height_inc;
721 DLOG("resize increments changed\n");
724 int base_width = 0, base_height = 0;
726 /* base_width/height are the desired size of the window.
727 We check if either the program-specified size or the program-specified
728 min-size is available */
729 if (size_hints.flags & XCB_SIZE_HINT_BASE_SIZE) {
730 base_width = size_hints.base_width;
731 base_height = size_hints.base_height;
732 } else if (size_hints.flags & XCB_SIZE_HINT_P_MIN_SIZE) {
733 /* TODO: is this right? icccm says not */
734 base_width = size_hints.min_width;
735 base_height = size_hints.min_height;
738 if (base_width != client->base_width ||
739 base_height != client->base_height) {
740 client->base_width = base_width;
741 client->base_height = base_height;
742 DLOG("client's base_height changed to %d\n", base_height);
743 DLOG("client's base_width changed to %d\n", base_width);
748 if (client->fullscreen)
749 DLOG("Not resizing client, it is in fullscreen mode\n");
751 resize_client(conn, client);
756 /* If no aspect ratio was set or if it was invalid, we ignore the hints */
757 if (!(size_hints.flags & XCB_SIZE_HINT_P_ASPECT) ||
758 (size_hints.min_aspect_num <= 0) ||
759 (size_hints.min_aspect_den <= 0)) {
763 double width = client->rect.width - base_width;
764 double height = client->rect.height - base_height;
765 /* Convert numerator/denominator to a double */
766 double min_aspect = (double)size_hints.min_aspect_num / size_hints.min_aspect_den;
767 double max_aspect = (double)size_hints.max_aspect_num / size_hints.min_aspect_den;
769 DLOG("Aspect ratio set: minimum %f, maximum %f\n", min_aspect, max_aspect);
770 DLOG("width = %f, height = %f\n", width, height);
772 /* Sanity checks, this is user-input, in a way */
773 if (max_aspect <= 0 || min_aspect <= 0 || height == 0 || (width / height) <= 0)
776 /* Check if we need to set proportional_* variables using the correct ratio */
777 if ((width / height) < min_aspect) {
778 client->proportional_width = width;
779 client->proportional_height = width / min_aspect;
780 } else if ((width / height) > max_aspect) {
781 client->proportional_width = width;
782 client->proportional_height = width / max_aspect;
785 client->force_reconfigure = true;
787 if (client->container != NULL) {
788 render_container(conn, client->container);
796 * Handles the WM_HINTS property for extracting the urgency state of the window.
799 int handle_hints(void *data, xcb_connection_t *conn, uint8_t state, xcb_window_t window,
800 xcb_atom_t name, xcb_get_property_reply_t *reply) {
801 Client *client = table_get(&by_child, window);
802 if (client == NULL) {
803 DLOG("Received WM_HINTS for unknown client\n");
806 xcb_wm_hints_t hints;
809 if (!xcb_get_wm_hints_from_reply(&hints, reply))
812 if (!xcb_get_wm_hints_reply(conn, xcb_get_wm_hints_unchecked(conn, client->child), &hints, NULL))
816 Client *last_focused = SLIST_FIRST(&(c_ws->focus_stack));
817 if (!client->urgent && client == last_focused) {
818 DLOG("Ignoring urgency flag for current client\n");
822 /* Update the flag on the client directly */
823 client->urgent = (xcb_wm_hints_get_urgency(&hints) != 0);
825 LOG("Urgency flag changed to %d\n", client->urgent);
827 workspace_update_urgent_flag(client->workspace);
828 redecorate_window(conn, client);
830 /* If the workspace this client is on is not visible, we need to redraw
831 * the workspace bar */
832 if (!workspace_is_visible(client->workspace)) {
833 Output *output = client->workspace->output;
834 render_workspace(conn, output, output->current_workspace);
842 * Handles the transient for hints set by a window, signalizing that this window is a popup window
843 * for some other window.
845 * See ICCCM 4.1.2.6 for more details
848 int handle_transient_for(void *data, xcb_connection_t *conn, uint8_t state, xcb_window_t window,
849 xcb_atom_t name, xcb_get_property_reply_t *reply) {
850 Client *client = table_get(&by_child, window);
851 if (client == NULL) {
852 DLOG("No such client\n");
856 xcb_window_t transient_for;
859 if (!xcb_get_wm_transient_for_from_reply(&transient_for, reply))
862 if (!xcb_get_wm_transient_for_reply(conn, xcb_get_wm_transient_for_unchecked(conn, window),
863 &transient_for, NULL))
867 if (client->floating == FLOATING_AUTO_OFF) {
868 DLOG("This is a popup window, putting into floating\n");
869 toggle_floating_mode(conn, client, true);
876 * Handles changes of the WM_CLIENT_LEADER atom which specifies if this is a
877 * toolwindow (or similar) and to which window it belongs (logical parent).
880 int handle_clientleader_change(void *data, xcb_connection_t *conn, uint8_t state, xcb_window_t window,
881 xcb_atom_t name, xcb_get_property_reply_t *prop) {
883 prop = xcb_get_property_reply(conn, xcb_get_property_unchecked(conn,
884 false, window, WM_CLIENT_LEADER, WINDOW, 0, 32), NULL);
889 Client *client = table_get(&by_child, window);
893 xcb_window_t *leader = xcb_get_property_value(prop);
897 DLOG("Client leader changed to %08x\n", *leader);
899 client->leader = *leader;