i3
manage.c
Go to the documentation of this file.
1 #undef I3__FILE__
2 #define I3__FILE__ "manage.c"
3 /*
4  * vim:ts=4:sw=4:expandtab
5  *
6  * i3 - an improved dynamic tiling window manager
7  * © 2009-2013 Michael Stapelberg and contributors (see also: LICENSE)
8  *
9  * manage.c: Initially managing new windows (or existing ones on restart).
10  *
11  */
12 #include "all.h"
13 #include "yajl_utils.h"
14 
15 #include <yajl/yajl_gen.h>
16 
17 /*
18  * Go through all existing windows (if the window manager is restarted) and manage them
19  *
20  */
21 void manage_existing_windows(xcb_window_t root) {
22  xcb_query_tree_reply_t *reply;
23  int i, len;
24  xcb_window_t *children;
25  xcb_get_window_attributes_cookie_t *cookies;
26 
27  /* Get the tree of windows whose parent is the root window (= all) */
28  if ((reply = xcb_query_tree_reply(conn, xcb_query_tree(conn, root), 0)) == NULL)
29  return;
30 
31  len = xcb_query_tree_children_length(reply);
32  cookies = smalloc(len * sizeof(*cookies));
33 
34  /* Request the window attributes for every window */
35  children = xcb_query_tree_children(reply);
36  for (i = 0; i < len; ++i)
37  cookies[i] = xcb_get_window_attributes(conn, children[i]);
38 
39  /* Call manage_window with the attributes for every window */
40  for (i = 0; i < len; ++i)
41  manage_window(children[i], cookies[i], true);
42 
43  free(reply);
44  free(cookies);
45 }
46 
47 /*
48  * Restores the geometry of each window by reparenting it to the root window
49  * at the position of its frame.
50  *
51  * This is to be called *only* before exiting/restarting i3 because of evil
52  * side-effects which are to be expected when continuing to run i3.
53  *
54  */
55 void restore_geometry(void) {
56  DLOG("Restoring geometry\n");
57 
58  Con *con;
60  if (con->window) {
61  DLOG("Re-adding X11 border of %d px\n", con->border_width);
62  con->window_rect.width += (2 * con->border_width);
63  con->window_rect.height += (2 * con->border_width);
65  DLOG("placing window %08x at %d %d\n", con->window->id, con->rect.x, con->rect.y);
66  xcb_reparent_window(conn, con->window->id, root,
67  con->rect.x, con->rect.y);
68  }
69 
70  /* Strictly speaking, this line doesn’t really belong here, but since we
71  * are syncing, let’s un-register as a window manager first */
72  xcb_change_window_attributes(conn, root, XCB_CW_EVENT_MASK, (uint32_t[]) {XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT});
73 
74  /* Make sure our changes reach the X server, we restart/exit now */
75  xcb_aux_sync(conn);
76 }
77 
78 /*
79  * Do some sanity checks and then reparent the window.
80  *
81  */
82 void manage_window(xcb_window_t window, xcb_get_window_attributes_cookie_t cookie,
83  bool needs_to_be_mapped) {
84  xcb_drawable_t d = {window};
85  xcb_get_geometry_cookie_t geomc;
86  xcb_get_geometry_reply_t *geom;
87  xcb_get_window_attributes_reply_t *attr = NULL;
88 
89  xcb_get_property_cookie_t wm_type_cookie, strut_cookie, state_cookie,
90  utf8_title_cookie, title_cookie,
91  class_cookie, leader_cookie, transient_cookie,
92  role_cookie, startup_id_cookie, wm_hints_cookie,
93  wm_normal_hints_cookie, motif_wm_hints_cookie;
94 
95  geomc = xcb_get_geometry(conn, d);
96 
97  /* Check if the window is mapped (it could be not mapped when intializing and
98  calling manage_window() for every window) */
99  if ((attr = xcb_get_window_attributes_reply(conn, cookie, 0)) == NULL) {
100  DLOG("Could not get attributes\n");
101  xcb_discard_reply(conn, geomc.sequence);
102  return;
103  }
104 
105  if (needs_to_be_mapped && attr->map_state != XCB_MAP_STATE_VIEWABLE) {
106  xcb_discard_reply(conn, geomc.sequence);
107  goto out;
108  }
109 
110  /* Don’t manage clients with the override_redirect flag */
111  if (attr->override_redirect) {
112  xcb_discard_reply(conn, geomc.sequence);
113  goto out;
114  }
115 
116  /* Check if the window is already managed */
117  if (con_by_window_id(window) != NULL) {
118  DLOG("already managed (by con %p)\n", con_by_window_id(window));
119  xcb_discard_reply(conn, geomc.sequence);
120  goto out;
121  }
122 
123  /* Get the initial geometry (position, size, …) */
124  if ((geom = xcb_get_geometry_reply(conn, geomc, 0)) == NULL) {
125  DLOG("could not get geometry\n");
126  goto out;
127  }
128 
129  uint32_t values[1];
130 
131  /* Set a temporary event mask for the new window, consisting only of
132  * PropertyChange and StructureNotify. We need to be notified of
133  * PropertyChanges because the client can change its properties *after* we
134  * requested them but *before* we actually reparented it and have set our
135  * final event mask.
136  * We need StructureNotify because the client may unmap the window before
137  * we get to re-parent it.
138  * If this request fails, we assume the client has already unmapped the
139  * window between the MapRequest and our event mask change. */
140  values[0] = XCB_EVENT_MASK_PROPERTY_CHANGE |
141  XCB_EVENT_MASK_STRUCTURE_NOTIFY;
142  xcb_void_cookie_t event_mask_cookie =
143  xcb_change_window_attributes_checked(conn, window, XCB_CW_EVENT_MASK, values);
144  if (xcb_request_check(conn, event_mask_cookie) != NULL) {
145  LOG("Could not change event mask, the window probably already disappeared.\n");
146  goto out;
147  }
148 
149 #define GET_PROPERTY(atom, len) xcb_get_property(conn, false, window, atom, XCB_GET_PROPERTY_TYPE_ANY, 0, len)
150 
151  wm_type_cookie = GET_PROPERTY(A__NET_WM_WINDOW_TYPE, UINT32_MAX);
152  strut_cookie = GET_PROPERTY(A__NET_WM_STRUT_PARTIAL, UINT32_MAX);
153  state_cookie = GET_PROPERTY(A__NET_WM_STATE, UINT32_MAX);
154  utf8_title_cookie = GET_PROPERTY(A__NET_WM_NAME, 128);
155  leader_cookie = GET_PROPERTY(A_WM_CLIENT_LEADER, UINT32_MAX);
156  transient_cookie = GET_PROPERTY(XCB_ATOM_WM_TRANSIENT_FOR, UINT32_MAX);
157  title_cookie = GET_PROPERTY(XCB_ATOM_WM_NAME, 128);
158  class_cookie = GET_PROPERTY(XCB_ATOM_WM_CLASS, 128);
159  role_cookie = GET_PROPERTY(A_WM_WINDOW_ROLE, 128);
160  startup_id_cookie = GET_PROPERTY(A__NET_STARTUP_ID, 512);
161  wm_hints_cookie = xcb_icccm_get_wm_hints(conn, window);
162  wm_normal_hints_cookie = xcb_icccm_get_wm_normal_hints(conn, window);
163  motif_wm_hints_cookie = GET_PROPERTY(A__MOTIF_WM_HINTS, 5 * sizeof(uint64_t));
164 
165  DLOG("Managing window 0x%08x\n", window);
166 
167  i3Window *cwindow = scalloc(sizeof(i3Window));
168  cwindow->id = window;
169  cwindow->depth = get_visual_depth(attr->visual);
170 
171  /* We need to grab the mouse buttons for click to focus */
172  xcb_grab_button(conn, false, window, XCB_EVENT_MASK_BUTTON_PRESS,
173  XCB_GRAB_MODE_SYNC, XCB_GRAB_MODE_ASYNC, root, XCB_NONE,
174  1 /* left mouse button */,
175  XCB_BUTTON_MASK_ANY /* don’t filter for any modifiers */);
176 
177  xcb_grab_button(conn, false, window, XCB_EVENT_MASK_BUTTON_PRESS,
178  XCB_GRAB_MODE_SYNC, XCB_GRAB_MODE_ASYNC, root, XCB_NONE,
179  2 /* middle mouse button */,
180  XCB_BUTTON_MASK_ANY /* don’t filter for any modifiers */);
181 
182  xcb_grab_button(conn, false, window, XCB_EVENT_MASK_BUTTON_PRESS,
183  XCB_GRAB_MODE_SYNC, XCB_GRAB_MODE_ASYNC, root, XCB_NONE,
184  3 /* right mouse button */,
185  XCB_BUTTON_MASK_ANY /* don’t filter for any modifiers */);
186 
187  /* update as much information as possible so far (some replies may be NULL) */
188  window_update_class(cwindow, xcb_get_property_reply(conn, class_cookie, NULL), true);
189  window_update_name_legacy(cwindow, xcb_get_property_reply(conn, title_cookie, NULL), true);
190  window_update_name(cwindow, xcb_get_property_reply(conn, utf8_title_cookie, NULL), true);
191  window_update_leader(cwindow, xcb_get_property_reply(conn, leader_cookie, NULL));
192  window_update_transient_for(cwindow, xcb_get_property_reply(conn, transient_cookie, NULL));
193  window_update_strut_partial(cwindow, xcb_get_property_reply(conn, strut_cookie, NULL));
194  window_update_role(cwindow, xcb_get_property_reply(conn, role_cookie, NULL), true);
195  bool urgency_hint;
196  window_update_hints(cwindow, xcb_get_property_reply(conn, wm_hints_cookie, NULL), &urgency_hint);
197  border_style_t motif_border_style = BS_NORMAL;
198  window_update_motif_hints(cwindow, xcb_get_property_reply(conn, motif_wm_hints_cookie, NULL), &motif_border_style);
199  xcb_size_hints_t wm_size_hints;
200  if (!xcb_icccm_get_wm_size_hints_reply(conn, wm_normal_hints_cookie, &wm_size_hints, NULL))
201  memset(&wm_size_hints, '\0', sizeof(xcb_size_hints_t));
202  xcb_get_property_reply_t *type_reply = xcb_get_property_reply(conn, wm_type_cookie, NULL);
203  xcb_get_property_reply_t *state_reply = xcb_get_property_reply(conn, state_cookie, NULL);
204 
205  xcb_get_property_reply_t *startup_id_reply;
206  startup_id_reply = xcb_get_property_reply(conn, startup_id_cookie, NULL);
207  char *startup_ws = startup_workspace_for_window(cwindow, startup_id_reply);
208  DLOG("startup workspace = %s\n", startup_ws);
209 
210  /* check if the window needs WM_TAKE_FOCUS */
211  cwindow->needs_take_focus = window_supports_protocol(cwindow->id, A_WM_TAKE_FOCUS);
212 
213  /* Where to start searching for a container that swallows the new one? */
214  Con *search_at = croot;
215 
216  if (xcb_reply_contains_atom(type_reply, A__NET_WM_WINDOW_TYPE_DOCK)) {
217  LOG("This window is of type dock\n");
218  Output *output = get_output_containing(geom->x, geom->y);
219  if (output != NULL) {
220  DLOG("Starting search at output %s\n", output->name);
221  search_at = output->con;
222  }
223 
224  /* find out the desired position of this dock window */
225  if (cwindow->reserved.top > 0 && cwindow->reserved.bottom == 0) {
226  DLOG("Top dock client\n");
227  cwindow->dock = W_DOCK_TOP;
228  } else if (cwindow->reserved.top == 0 && cwindow->reserved.bottom > 0) {
229  DLOG("Bottom dock client\n");
230  cwindow->dock = W_DOCK_BOTTOM;
231  } else {
232  DLOG("Ignoring invalid reserved edges (_NET_WM_STRUT_PARTIAL), using position as fallback:\n");
233  if (geom->y < (int16_t)(search_at->rect.height / 2)) {
234  DLOG("geom->y = %d < rect.height / 2 = %d, it is a top dock client\n",
235  geom->y, (search_at->rect.height / 2));
236  cwindow->dock = W_DOCK_TOP;
237  } else {
238  DLOG("geom->y = %d >= rect.height / 2 = %d, it is a bottom dock client\n",
239  geom->y, (search_at->rect.height / 2));
240  cwindow->dock = W_DOCK_BOTTOM;
241  }
242  }
243  }
244 
245  DLOG("Initial geometry: (%d, %d, %d, %d)\n", geom->x, geom->y, geom->width, geom->height);
246 
247  Con *nc = NULL;
248  Match *match = NULL;
249  Assignment *assignment;
250 
251  /* TODO: two matches for one container */
252 
253  /* See if any container swallows this new window */
254  nc = con_for_window(search_at, cwindow, &match);
255  if (nc == NULL) {
256  /* If not, check if it is assigned to a specific workspace / output */
257  if ((assignment = assignment_for(cwindow, A_TO_WORKSPACE | A_TO_OUTPUT))) {
258  DLOG("Assignment matches (%p)\n", match);
259  if (assignment->type == A_TO_WORKSPACE) {
260  Con *assigned_ws = workspace_get(assignment->dest.workspace, NULL);
261  nc = con_descend_tiling_focused(assigned_ws);
262  DLOG("focused on ws %s: %p / %s\n", assigned_ws->name, nc, nc->name);
263  if (nc->type == CT_WORKSPACE)
264  nc = tree_open_con(nc, cwindow);
265  else
266  nc = tree_open_con(nc->parent, cwindow);
267 
268  /* set the urgency hint on the window if the workspace is not visible */
269  if (!workspace_is_visible(assigned_ws))
270  urgency_hint = true;
271  }
272  /* TODO: handle assignments with type == A_TO_OUTPUT */
273  } else if (startup_ws) {
274  /* If it’s not assigned, but was started on a specific workspace,
275  * we want to open it there */
276  DLOG("Using workspace on which this application was started (%s)\n", startup_ws);
277  nc = con_descend_tiling_focused(workspace_get(startup_ws, NULL));
278  DLOG("focused on ws %s: %p / %s\n", startup_ws, nc, nc->name);
279  if (nc->type == CT_WORKSPACE)
280  nc = tree_open_con(nc, cwindow);
281  else
282  nc = tree_open_con(nc->parent, cwindow);
283  } else {
284  /* If not, insert it at the currently focused position */
285  if (focused->type == CT_CON && con_accepts_window(focused)) {
286  LOG("using current container, focused = %p, focused->name = %s\n",
287  focused, focused->name);
288  nc = focused;
289  } else
290  nc = tree_open_con(NULL, cwindow);
291  }
292  } else {
293  /* M_BELOW inserts the new window as a child of the one which was
294  * matched (e.g. dock areas) */
295  if (match != NULL && match->insert_where == M_BELOW) {
296  nc = tree_open_con(nc, cwindow);
297  }
298 
299  /* If M_BELOW is not used, the container is replaced. This happens with
300  * "swallows" criteria that are used for stored layouts, in which case
301  * we need to remove that criterion, because they should only be valid
302  * once. */
303  if (match != NULL && match->insert_where != M_BELOW) {
304  DLOG("Removing match %p from container %p\n", match, nc);
305  TAILQ_REMOVE(&(nc->swallow_head), match, matches);
306  }
307  }
308 
309  DLOG("new container = %p\n", nc);
310  if (nc->window != NULL && nc->window != cwindow) {
311  if (!restore_kill_placeholder(nc->window->id)) {
312  DLOG("Uh?! Container without a placeholder, but with a window, has swallowed this to-be-managed window?!\n");
313  }
314  }
315  nc->window = cwindow;
316  x_reinit(nc);
317 
318  nc->border_width = geom->border_width;
319 
320  char *name;
321  sasprintf(&name, "[i3 con] container around %p", cwindow);
322  x_set_name(nc, name);
323  free(name);
324 
325  /* handle fullscreen containers */
326  Con *ws = con_get_workspace(nc);
327  Con *fs = (ws ? con_get_fullscreen_con(ws, CF_OUTPUT) : NULL);
328  if (fs == NULL)
330 
331  if (xcb_reply_contains_atom(state_reply, A__NET_WM_STATE_FULLSCREEN)) {
332  /* If this window is already fullscreen (after restarting!), skip
333  * toggling fullscreen, that would drop it out of fullscreen mode. */
334  if (fs != nc)
336  fs = NULL;
337  }
338 
339  bool set_focus = false;
340 
341  if (fs == NULL) {
342  DLOG("Not in fullscreen mode, focusing\n");
343  if (!cwindow->dock) {
344  /* Check that the workspace is visible and on the same output as
345  * the current focused container. If the window was assigned to an
346  * invisible workspace, we should not steal focus. */
347  Con *current_output = con_get_output(focused);
348  Con *target_output = con_get_output(ws);
349 
350  if (workspace_is_visible(ws) && current_output == target_output) {
351  if (!match || !match->restart_mode) {
352  set_focus = true;
353  } else
354  DLOG("not focusing, matched with restart_mode == true\n");
355  } else
356  DLOG("workspace not visible, not focusing\n");
357  } else
358  DLOG("dock, not focusing\n");
359  } else {
360  DLOG("fs = %p, ws = %p, not focusing\n", fs, ws);
361  /* Insert the new container in focus stack *after* the currently
362  * focused (fullscreen) con. This way, the new container will be
363  * focused after we return from fullscreen mode */
364  Con *first = TAILQ_FIRST(&(nc->parent->focus_head));
365  if (first != nc) {
366  /* We only modify the focus stack if the container is not already
367  * the first one. This can happen when existing containers swallow
368  * new windows, for example when restarting. */
369  TAILQ_REMOVE(&(nc->parent->focus_head), nc, focused);
370  TAILQ_INSERT_AFTER(&(nc->parent->focus_head), first, nc, focused);
371  }
372  }
373 
374  /* set floating if necessary */
375  bool want_floating = false;
376  if (xcb_reply_contains_atom(type_reply, A__NET_WM_WINDOW_TYPE_DIALOG) ||
377  xcb_reply_contains_atom(type_reply, A__NET_WM_WINDOW_TYPE_UTILITY) ||
378  xcb_reply_contains_atom(type_reply, A__NET_WM_WINDOW_TYPE_TOOLBAR) ||
379  xcb_reply_contains_atom(type_reply, A__NET_WM_WINDOW_TYPE_SPLASH) ||
380  xcb_reply_contains_atom(state_reply, A__NET_WM_STATE_MODAL) ||
381  (wm_size_hints.flags & XCB_ICCCM_SIZE_HINT_P_MAX_SIZE &&
382  wm_size_hints.flags & XCB_ICCCM_SIZE_HINT_P_MIN_SIZE &&
383  wm_size_hints.min_height == wm_size_hints.max_height &&
384  wm_size_hints.min_width == wm_size_hints.max_width)) {
385  LOG("This window is a dialog window, setting floating\n");
386  want_floating = true;
387  }
388 
389  FREE(state_reply);
390  FREE(type_reply);
391 
392  if (cwindow->transient_for != XCB_NONE ||
393  (cwindow->leader != XCB_NONE &&
394  cwindow->leader != cwindow->id &&
395  con_by_window_id(cwindow->leader) != NULL)) {
396  LOG("This window is transient for another window, setting floating\n");
397  want_floating = true;
398 
399  if (config.popup_during_fullscreen == PDF_LEAVE_FULLSCREEN &&
400  fs != NULL) {
401  LOG("There is a fullscreen window, leaving fullscreen mode\n");
403  } else if (config.popup_during_fullscreen == PDF_SMART &&
404  fs != NULL &&
405  fs->window != NULL) {
406  i3Window *transient_win = cwindow;
407  while (transient_win != NULL &&
408  transient_win->transient_for != XCB_NONE) {
409  if (transient_win->transient_for == fs->window->id) {
410  LOG("This floating window belongs to the fullscreen window (popup_during_fullscreen == smart)\n");
411  set_focus = true;
412  break;
413  }
414  Con *next_transient = con_by_window_id(transient_win->transient_for);
415  if (next_transient == NULL)
416  break;
417  /* Some clients (e.g. x11-ssh-askpass) actually set
418  * WM_TRANSIENT_FOR to their own window id, so break instead of
419  * looping endlessly. */
420  if (transient_win == next_transient->window)
421  break;
422  transient_win = next_transient->window;
423  }
424  }
425  }
426 
427  /* dock clients cannot be floating, that makes no sense */
428  if (cwindow->dock)
429  want_floating = false;
430 
431  /* Store the requested geometry. The width/height gets raised to at least
432  * 75x50 when entering floating mode, which is the minimum size for a
433  * window to be useful (smaller windows are usually overlays/toolbars/…
434  * which are not managed by the wm anyways). We store the original geometry
435  * here because it’s used for dock clients. */
436  if (nc->geometry.width == 0)
437  nc->geometry = (Rect) {geom->x, geom->y, geom->width, geom->height};
438 
439  if (want_floating) {
440  DLOG("geometry = %d x %d\n", nc->geometry.width, nc->geometry.height);
441  floating_enable(nc, true);
442  }
443 
444  if (motif_border_style != BS_NORMAL) {
445  DLOG("MOTIF_WM_HINTS specifies decorations (border_style = %d)\n", motif_border_style);
446  if (want_floating) {
448  } else {
449  con_set_border_style(nc, motif_border_style, config.default_border_width);
450  }
451  }
452 
453  /* to avoid getting an UnmapNotify event due to reparenting, we temporarily
454  * declare no interest in any state change event of this window */
455  values[0] = XCB_NONE;
456  xcb_change_window_attributes(conn, window, XCB_CW_EVENT_MASK, values);
457 
458  xcb_void_cookie_t rcookie = xcb_reparent_window_checked(conn, window, nc->frame, 0, 0);
459  if (xcb_request_check(conn, rcookie) != NULL) {
460  LOG("Could not reparent the window, aborting\n");
461  goto geom_out;
462  }
463 
464  values[0] = CHILD_EVENT_MASK & ~XCB_EVENT_MASK_ENTER_WINDOW;
465  xcb_change_window_attributes(conn, window, XCB_CW_EVENT_MASK, values);
466  xcb_flush(conn);
467 
468  /* Put the client inside the save set. Upon termination (whether killed or
469  * normal exit does not matter) of the window manager, these clients will
470  * be correctly reparented to their most closest living ancestor (=
471  * cleanup) */
472  xcb_change_save_set(conn, XCB_SET_MODE_INSERT, window);
473 
474  /* Check if any assignments match */
475  run_assignments(cwindow);
476 
477  /* 'ws' may be invalid because of the assignments, e.g. when the user uses
478  * "move window to workspace 1", but had it assigned to workspace 2. */
479  ws = con_get_workspace(nc);
480 
481  /* If this window was put onto an invisible workspace (via assignments), we
482  * render this workspace. It wouldn’t be rendered in our normal code path
483  * because only the visible workspaces get rendered.
484  *
485  * By rendering the workspace, we assign proper coordinates (read: not
486  * width=0, height=0) to the window, which is important for windows who
487  * actually use them to position their GUI elements, e.g. rhythmbox. */
488  if (ws && !workspace_is_visible(ws)) {
489  /* This is a bit hackish: we need to copy the content container’s rect
490  * to the workspace, because calling render_con() on the content
491  * container would also take the shortcut and not render the invisible
492  * workspace at all. However, just calling render_con() on the
493  * workspace isn’t enough either — it needs the rect. */
494  ws->rect = ws->parent->rect;
495  render_con(ws, true);
496  /* Disable setting focus, otherwise we’d move focus to an invisible
497  * workspace, which we generally prevent (e.g. in
498  * con_move_to_workspace). */
499  set_focus = false;
500  }
501  render_con(croot, false);
502 
503  /* Send an event about window creation */
504  ipc_send_window_event("new", nc);
505 
506  /* Defer setting focus after the 'new' event has been sent to ensure the
507  * proper window event sequence. */
508  if (set_focus && nc->mapped) {
509  DLOG("Now setting focus.\n");
510  con_focus(nc);
511  }
512 
513  tree_render();
514 
515  /* Windows might get managed with the urgency hint already set (Pidgin is
516  * known to do that), so check for that and handle the hint accordingly.
517  * This code needs to be in this part of manage_window() because the window
518  * needs to be on the final workspace first. */
519  con_set_urgency(nc, urgency_hint);
520 
521 geom_out:
522  free(geom);
523 out:
524  free(attr);
525  return;
526 }
uint32_t top
Definition: data.h:137
struct Con * parent
Definition: data.h:512
bool mapped
Definition: data.h:480
char * name
Name of the output.
Definition: data.h:316
void tree_render(void)
Renders the tree, that is rendering all outputs using render_con() and pushing the changes to X11 usi...
Definition: tree.c:507
#define CHILD_EVENT_MASK
The XCB_CW_EVENT_MASK for the child (= real window)
Definition: xcb.h:33
void manage_window(xcb_window_t window, xcb_get_window_attributes_cookie_t cookie, bool needs_to_be_mapped)
Do some sanity checks and then reparent the window.
Definition: manage.c:82
uint32_t y
Definition: data.h:124
#define TAILQ_REMOVE(head, elm, field)
Definition: queue.h:386
Config config
Definition: config.c:19
xcb_connection_t * conn
Definition: main.c:47
int default_floating_border_width
Definition: config.h:101
border_style_t
Definition: data.h:56
Con * con_get_workspace(Con *con)
Gets the workspace container this node is on.
Definition: con.c:317
#define xcb_icccm_get_wm_hints
Definition: xcb_compat.h:32
void x_reinit(Con *con)
Re-initializes the associated X window state for this container.
Definition: x.c:166
bool needs_take_focus
Whether the application needs to receive WM_TAKE_FOCUS.
Definition: data.h:363
#define LOG(fmt,...)
Definition: libi3.h:76
bool workspace_is_visible(Con *ws)
Returns true if the workspace is currently visible.
Definition: workspace.c:232
An Assignment makes specific windows go to a specific workspace/output or run a command for that wind...
Definition: data.h:440
bool window_supports_protocol(xcb_window_t window, xcb_atom_t atom)
Returns true if the client supports the given protocol atom (like WM_DELETE_WINDOW) ...
Definition: x.c:249
struct Rect window_rect
Definition: data.h:515
struct Rect rect
Definition: data.h:514
bool con_accepts_window(Con *con)
Returns true if this node accepts a window (if the node swallows windows, it might already have swall...
Definition: con.c:284
struct all_cons_head all_cons
Definition: tree.c:17
struct Rect Rect
Definition: data.h:43
bool xcb_reply_contains_atom(xcb_get_property_reply_t *prop, xcb_atom_t atom)
Definition: xcb.c:161
void window_update_transient_for(i3Window *win, xcb_get_property_reply_t *prop)
Updates the TRANSIENT_FOR (logical parent window).
Definition: window.c:150
Con * tree_open_con(Con *con, i3Window *window)
Opens an empty container in the current container.
Definition: tree.c:134
Con * con_descend_tiling_focused(Con *con)
Returns the focused con inside this client, descending the tree as far as possible.
Definition: con.c:998
uint16_t depth
Depth of the window.
Definition: data.h:379
union Assignment::@17 dest
destination workspace/output/command, depending on the type
struct reservedpx reserved
Pixels the window reserves.
Definition: data.h:376
#define TAILQ_FIRST(head)
Definition: queue.h:323
struct Window * window
Definition: data.h:547
void window_update_leader(i3Window *win, xcb_get_property_reply_t *prop)
Updates the CLIENT_LEADER (logical parent window).
Definition: window.c:126
int border_width
Definition: data.h:540
An Output is a physical output on your graphics driver.
Definition: data.h:301
bool restore_kill_placeholder(xcb_window_t placeholder)
Kill the placeholder window, if placeholder refers to a placeholder window.
A &#39;Window&#39; is a type which contains an xcb_window_t and all the related information (hints like _NET_...
Definition: data.h:332
void con_set_border_style(Con *con, int border_style, int border_width)
Sets the given border style on con, correctly keeping the position/size of a floating window...
Definition: con.c:1188
enum Con::@18 type
Con * con_by_window_id(xcb_window_t window)
Returns the container with the given client window ID or NULL if no such container exists...
Definition: con.c:461
#define DLOG(fmt,...)
Definition: libi3.h:86
void manage_existing_windows(xcb_window_t root)
Go through all existing windows (if the window manager is restarted) and manage them.
Definition: manage.c:21
xcb_window_t transient_for
Definition: data.h:338
uint32_t bottom
Definition: data.h:138
int sasprintf(char **strp, const char *fmt,...)
Safe-wrapper around asprintf which exits if it returns -1 (meaning that there is no more memory avail...
void window_update_strut_partial(i3Window *win, xcb_get_property_reply_t *prop)
Updates the _NET_WM_STRUT_PARTIAL (reserved pixels at the screen edges)
Definition: window.c:174
void window_update_name_legacy(i3Window *win, xcb_get_property_reply_t *prop, bool before_mgmt)
Updates the name by using WM_NAME (encoded in COMPOUND_TEXT).
Definition: window.c:89
Con * con_get_fullscreen_con(Con *con, fullscreen_mode_t fullscreen_mode)
Returns the first fullscreen node below this node.
Definition: con.c:365
#define XCB_ICCCM_SIZE_HINT_P_MIN_SIZE
Definition: xcb_compat.h:26
uint32_t height
Definition: data.h:126
Con * con_for_window(Con *con, i3Window *window, Match **store_match)
Returns the first container below &#39;con&#39; which wants to swallow this window TODO: priority.
Definition: con.c:487
Con * focused
Definition: tree.c:15
Con * con
Pointer to the Con which represents this output.
Definition: data.h:319
struct Rect geometry
the geometry this window requested when getting mapped
Definition: data.h:518
char * name
Definition: data.h:520
void xcb_set_window_rect(xcb_connection_t *conn, xcb_window_t window, Rect r)
Configures the given window to have the size/position specified by given rect.
Definition: xcb.c:145
void run_assignments(i3Window *window)
Checks the list of assignments for the given window and runs all matching ones (unless they have alre...
Definition: assignments.c:19
#define TAILQ_INSERT_AFTER(head, listelm, elm, field)
Definition: queue.h:369
void x_set_name(Con *con, const char *name)
Sets the WM_NAME property (so, no UTF8, but used only for debugging anyways) of the given name...
Definition: x.c:1100
void con_focus(Con *con)
Sets input focus to the given container.
Definition: con.c:213
#define xcb_icccm_get_wm_size_hints_reply
Definition: xcb_compat.h:22
#define xcb_icccm_get_wm_normal_hints
Definition: xcb_compat.h:23
void window_update_motif_hints(i3Window *win, xcb_get_property_reply_t *prop, border_style_t *motif_border_style)
Updates the MOTIF_WM_HINTS.
Definition: window.c:271
enum Window::@11 dock
Whether the window says it is a dock window.
A &quot;match&quot; is a data structure which acts like a mask or expression to match certain windows or not...
Definition: data.h:390
char * startup_workspace_for_window(i3Window *cwindow, xcb_get_property_reply_t *startup_id_reply)
Checks if the given window belongs to a startup notification by checking if the _NET_STARTUP_ID prope...
Definition: startup.c:342
void window_update_class(i3Window *win, xcb_get_property_reply_t *prop, bool before_mgmt)
Updates the WM_CLASS (consisting of the class and instance) for the given window. ...
Definition: window.c:19
A &#39;Con&#39; represents everything from the X11 root window down to a single X11 window.
Definition: data.h:479
uint32_t x
Definition: data.h:123
void * scalloc(size_t size)
Safe-wrapper around calloc which exits if malloc returns NULL (meaning that there is no more memory a...
#define GET_PROPERTY(atom, len)
Con * workspace_get(const char *num, bool *created)
Returns a pointer to the workspace with the given number (starting at 0), creating the workspace if n...
Definition: workspace.c:44
void window_update_hints(i3Window *win, xcb_get_property_reply_t *prop, bool *urgency_hint)
Updates the WM_HINTS (we only care about the input focus handling part).
Definition: window.c:232
int default_border_width
Definition: config.h:100
void window_update_name(i3Window *win, xcb_get_property_reply_t *prop, bool before_mgmt)
Updates the name by using _NET_WM_NAME (encoded in UTF-8) for the given window.
Definition: window.c:57
char * workspace
Definition: data.h:465
xcb_window_t frame
Definition: data.h:495
#define XCB_ICCCM_SIZE_HINT_P_MAX_SIZE
Definition: xcb_compat.h:27
Output * get_output_containing(unsigned int x, unsigned int y)
Returns the active (!) output which contains the coordinates x, y or NULL if there is no output which...
Definition: randr.c:80
enum Match::@15 insert_where
void restore_geometry(void)
Restores the geometry of each window by reparenting it to the root window at the position of its fram...
Definition: manage.c:55
struct Con * croot
Definition: tree.c:14
xcb_window_t root
Definition: main.c:60
bool restart_mode
Definition: data.h:429
enum Assignment::@16 type
type of this assignment:
Assignment * assignment_for(i3Window *window, int type)
Returns the first matching assignment for the given window.
Definition: assignments.c:72
Con * con_get_output(Con *con)
Gets the output container (first container with CT_OUTPUT in hierarchy) this node is on...
Definition: con.c:303
uint16_t get_visual_depth(xcb_visualid_t visual_id)
Get depth of visual specified by visualid.
Definition: xcb.c:210
xcb_window_t id
Definition: data.h:333
void floating_enable(Con *con, bool automatic)
Enables floating mode for the given container by detaching it from its parent, creating a new contain...
Definition: floating.c:105
void * smalloc(size_t size)
Safe-wrapper around malloc which exits if malloc returns NULL (meaning that there is no more memory a...
#define TAILQ_FOREACH(var, head, field)
Definition: queue.h:334
#define XCB_ATOM_WM_NAME
Definition: xcb_compat.h:42
void window_update_role(i3Window *win, xcb_get_property_reply_t *prop, bool before_mgmt)
Updates the WM_WINDOW_ROLE.
Definition: window.c:199
xcb_window_t leader
Holds the xcb_window_t (just an ID) for the leader window (logical parent for toolwindows and similar...
Definition: data.h:337
enum Config::@4 popup_during_fullscreen
What should happen when a new popup is opened during fullscreen mode.
#define FREE(pointer)
Definition: util.h:46
void ipc_send_window_event(const char *property, Con *con)
For the window events we send, along the usual &quot;change&quot; field, also the window container, in &quot;container&quot;.
Definition: ipc.c:1091
Definition: data.h:56
#define XCB_ATOM_WM_CLASS
Definition: xcb_compat.h:43
void con_set_urgency(Con *con, bool urgent)
Set urgency flag to the container, all the parent containers and the workspace.
Definition: con.c:1575
void con_toggle_fullscreen(Con *con, int fullscreen_mode)
Toggles fullscreen mode for the given container.
Definition: con.c:587
void render_con(Con *con, bool render_fullscreen)
&quot;Renders&quot; the given container (and its children), meaning that all rects are updated correctly...
Definition: render.c:126
uint32_t width
Definition: data.h:125
#define XCB_ATOM_WM_TRANSIENT_FOR
Definition: xcb_compat.h:41