1 /* -*- indent-tabs-mode: nil; tab-width: 4; c-basic-offset: 4; -*-
3 focus.c for the Openbox window manager
4 Copyright (c) 2006 Mikael Magnusson
5 Copyright (c) 2003-2007 Dana Jansens
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 See the COPYING file for a copy of the GNU General Public License.
27 #include "focus_cycle.h"
37 #define FOCUS_INDICATOR_WIDTH 6
39 ObClient
*focus_client
= NULL
;
40 GList
*focus_order
= NULL
;
42 void focus_startup(gboolean reconfig
)
46 /* start with nothing focused */
50 void focus_shutdown(gboolean reconfig
)
54 /* reset focus to root */
55 XSetInputFocus(ob_display
, PointerRoot
, RevertToNone
, CurrentTime
);
58 static void push_to_top(ObClient
*client
)
62 /* if it is modal for a single window, then put that window at the top
63 of the focus order first, so it will be right after ours. the same is
65 if (client
->modal
&& (p
= client_direct_parent(client
)))
68 focus_order
= g_list_remove(focus_order
, client
);
69 focus_order
= g_list_prepend(focus_order
, client
);
72 void focus_set_client(ObClient
*client
)
76 ob_debug_type(OB_DEBUG_FOCUS
,
77 "focus_set_client 0x%lx\n", client
? client
->window
: 0);
79 if (focus_client
== client
)
82 /* uninstall the old colormap, and install the new one */
83 screen_install_colormap(focus_client
, FALSE
);
84 screen_install_colormap(client
, TRUE
);
86 focus_client
= client
;
89 /* move to the top of the list */
91 /* remove hiliting from the window when it gets focused */
92 client_hilite(client
, FALSE
);
95 /* set the NET_ACTIVE_WINDOW hint, but preserve it on shutdown */
96 if (ob_state() != OB_STATE_EXITING
) {
97 active
= client
? client
->window
: None
;
98 PROP_SET32(RootWindow(ob_display
, ob_screen
),
99 net_active_window
, window
, active
);
102 /* make sure the focus cycle popup shows things in the right order */
103 focus_cycle_reorder();
106 static ObClient
* focus_fallback_target(gboolean allow_refocus
,
107 gboolean allow_pointer
,
108 gboolean allow_omnipresent
,
114 ob_debug_type(OB_DEBUG_FOCUS
, "trying pointer stuff\n");
115 if (allow_pointer
&& config_focus_follow
)
116 if ((c
= client_under_pointer()) &&
117 (allow_refocus
|| client_focus_target(c
) != old
) &&
121 ob_debug_type(OB_DEBUG_FOCUS
, "found in pointer stuff\n");
125 ob_debug_type(OB_DEBUG_FOCUS
, "trying the focus order\n");
126 for (it
= focus_order
; it
; it
= g_list_next(it
)) {
128 /* fallback focus to a window if:
129 1. it is on the current desktop. this ignores omnipresent
130 windows, which are problematic in their own rite, unless they are
132 2. it is a valid auto-focus target
135 if ((allow_omnipresent
|| c
->desktop
== screen_desktop
) &&
136 focus_valid_target(c
, TRUE
, FALSE
, FALSE
, FALSE
, FALSE
, FALSE
) &&
138 (allow_refocus
|| client_focus_target(c
) != old
) &&
141 ob_debug_type(OB_DEBUG_FOCUS
, "found in focus order\n");
146 ob_debug_type(OB_DEBUG_FOCUS
, "trying a desktop window\n");
147 for (it
= focus_order
; it
; it
= g_list_next(it
)) {
149 /* fallback focus to a window if:
150 1. it is on the current desktop. this ignores omnipresent
151 windows, which are problematic in their own rite.
152 2. it is a normal type window, don't fall back onto a dock or
153 a splashscreen or a desktop window (save the desktop as a
154 backup fallback though)
156 if (focus_valid_target(c
, TRUE
, FALSE
, FALSE
, FALSE
, TRUE
, FALSE
) &&
157 (allow_refocus
|| client_focus_target(c
) != old
) &&
160 ob_debug_type(OB_DEBUG_FOCUS
, "found a desktop window\n");
168 ObClient
* focus_fallback(gboolean allow_refocus
, gboolean allow_pointer
,
169 gboolean allow_omnipresent
, gboolean focus_lost
)
172 ObClient
*old
= focus_client
;
174 /* unfocus any focused clients.. they can be focused by Pointer events
175 and such, and then when we try focus them, we won't get a FocusIn
176 event at all for them. */
180 new = focus_fallback_target(allow_refocus
, allow_pointer
,
181 allow_omnipresent
, old
);
182 /* get what was really focused */
183 if (new) new = client_focus_target(new);
188 void focus_nothing(void)
190 /* nothing is focused, update the colormap and _the root property_ */
191 focus_set_client(NULL
);
193 /* when nothing will be focused, send focus to the backup target */
194 XSetInputFocus(ob_display
, screen_support_win
, RevertToPointerRoot
,
198 void focus_order_add_new(ObClient
*c
)
201 focus_order_to_top(c
);
203 g_assert(!g_list_find(focus_order
, c
));
204 /* if there are any iconic windows, put this above them in the order,
205 but if there are not, then put it under the currently focused one */
206 if (focus_order
&& ((ObClient
*)focus_order
->data
)->iconic
)
207 focus_order
= g_list_insert(focus_order
, c
, 0);
209 focus_order
= g_list_insert(focus_order
, c
, 1);
215 void focus_order_remove(ObClient
*c
)
217 focus_order
= g_list_remove(focus_order
, c
);
219 focus_cycle_remove(c
);
222 void focus_order_to_top(ObClient
*c
)
224 focus_order
= g_list_remove(focus_order
, c
);
226 focus_order
= g_list_prepend(focus_order
, c
);
230 /* insert before first iconic window */
231 for (it
= focus_order
;
232 it
&& !((ObClient
*)it
->data
)->iconic
; it
= g_list_next(it
));
233 focus_order
= g_list_insert_before(focus_order
, it
, c
);
237 void focus_order_to_bottom(ObClient
*c
)
239 focus_order
= g_list_remove(focus_order
, c
);
241 focus_order
= g_list_append(focus_order
, c
);
245 /* insert before first iconic window */
246 for (it
= focus_order
;
247 it
&& !((ObClient
*)it
->data
)->iconic
; it
= g_list_next(it
));
248 focus_order
= g_list_insert_before(focus_order
, it
, c
);
252 ObClient
*focus_order_find_first(guint desktop
)
255 for (it
= focus_order
; it
; it
= g_list_next(it
)) {
256 ObClient
*c
= it
->data
;
257 if (c
->desktop
== desktop
|| c
->desktop
== DESKTOP_ALL
)
263 /*! Returns if a focus target has valid group siblings that can be cycled
265 static gboolean
focus_target_has_siblings(ObClient
*ft
,
266 gboolean iconic_windows
,
267 gboolean all_desktops
)
272 if (!ft
->group
) return FALSE
;
274 for (it
= ft
->group
->members
; it
; it
= g_slist_next(it
)) {
275 ObClient
*c
= it
->data
;
276 /* check that it's not a helper window to avoid infinite recursion */
277 if (c
!= ft
&& c
->type
== OB_CLIENT_TYPE_NORMAL
&&
278 focus_valid_target(c
, TRUE
, iconic_windows
, all_desktops
,
279 FALSE
, FALSE
, FALSE
))
287 gboolean
focus_valid_target(ObClient
*ft
,
288 gboolean helper_windows
,
289 gboolean iconic_windows
,
290 gboolean all_desktops
,
291 gboolean dock_windows
,
292 gboolean desktop_windows
,
293 gboolean user_request
)
297 /* see if the window is still managed or is going away */
298 if (!ft
->managed
) return FALSE
;
300 /* it's on this desktop unless you want all desktops.
302 do this check first because it will usually filter out the most
304 ok
= (all_desktops
|| ft
->desktop
== screen_desktop
||
305 ft
->desktop
== DESKTOP_ALL
);
307 /* the window can receive focus somehow */
308 ok
= ok
&& (ft
->can_focus
|| ft
->focus_notify
);
310 /* the window is not iconic, or we're allowed to go to iconic ones */
311 ok
= ok
&& (iconic_windows
|| !ft
->iconic
);
313 /* it's the right type of window */
314 if (dock_windows
|| desktop_windows
)
315 ok
= ok
&& ((dock_windows
&& ft
->type
== OB_CLIENT_TYPE_DOCK
) ||
316 (desktop_windows
&& ft
->type
== OB_CLIENT_TYPE_DESKTOP
));
317 /* modal windows are important and can always get focus if they are
318 visible and stuff, so don't change 'ok' based on their type */
320 /* normal non-helper windows are valid targets */
322 ((client_normal(ft
) && !client_helper(ft
))
324 /* helper windows are valid targets if... */
325 (client_helper(ft
) &&
326 /* ...a window in its group already has focus and we want to
327 include helper windows ... */
328 ((focus_client
&& ft
->group
== focus_client
->group
&&
330 /* ... or if there are no other windows in its group
331 that can be focused instead */
332 !focus_target_has_siblings(ft
, iconic_windows
, all_desktops
))));
334 /* it's not set to skip the taskbar (but this only applies to normal typed
335 windows, and is overridden if the window is modal or if the user asked
336 for this window to be focused) */
337 ok
= ok
&& (ft
->type
!= OB_CLIENT_TYPE_NORMAL
||
342 /* it's not going to just send focus off somewhere else (modal window),
343 unless that modal window is not one of our valid targets, then let
344 you choose this window and bring the modal one here */
346 ObClient
*cft
= client_focus_target(ft
);
347 ok
= ok
&& (ft
== cft
|| !focus_valid_target(cft
,