1 /* -*- indent-tabs-mode: nil; tab-width: 4; c-basic-offset: 4; -*-
3 focus_cycle.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.
20 #include "focus_cycle.h"
21 #include "focus_cycle_indicator.h"
38 ObClient
*focus_cycle_target
= NULL
;
39 static ObCycleType focus_cycle_type
= OB_CYCLE_NONE
;
40 static gboolean focus_cycle_iconic_windows
;
41 static gboolean focus_cycle_all_desktops
;
42 static gboolean focus_cycle_nonhilite_windows
;
43 static gboolean focus_cycle_dock_windows
;
44 static gboolean focus_cycle_desktop_windows
;
46 static ObClient
*focus_find_directional(ObClient
*c
,
48 gboolean dock_windows
,
49 gboolean desktop_windows
);
51 void focus_cycle_startup(gboolean reconfig
)
56 void focus_cycle_shutdown(gboolean reconfig
)
61 void focus_cycle_addremove(ObClient
*c
, gboolean redraw
)
63 if (!focus_cycle_type
)
66 if (focus_cycle_type
== OB_CYCLE_DIRECTIONAL
) {
67 if (c
&& focus_cycle_target
== c
) {
68 focus_directional_cycle(0, TRUE
, TRUE
, TRUE
, TRUE
,
72 else if (c
&& redraw
) {
75 v
= focus_cycle_valid(c
);
76 s
= focus_cycle_popup_is_showing(c
);
79 focus_cycle_reorder();
82 focus_cycle_reorder();
86 void focus_cycle_reorder()
88 if (focus_cycle_type
== OB_CYCLE_NORMAL
) {
89 focus_cycle_target
= focus_cycle_popup_refresh(focus_cycle_target
,
91 focus_cycle_update_indicator(focus_cycle_target
);
92 if (!focus_cycle_target
)
93 focus_cycle(TRUE
, TRUE
, TRUE
, TRUE
, TRUE
, TRUE
,
94 TRUE
, TRUE
, TRUE
, TRUE
, TRUE
);
98 ObClient
* focus_cycle(gboolean forward
, gboolean all_desktops
,
99 gboolean nonhilite_windows
,
100 gboolean dock_windows
, gboolean desktop_windows
,
101 gboolean linear
, gboolean interactive
,
102 gboolean showbar
, ObFocusCyclePopupMode mode
,
103 gboolean done
, gboolean cancel
)
105 static GList
*order
= NULL
;
106 GList
*it
, *start
, *list
;
108 ObClient
*ret
= NULL
;
112 focus_cycle_target
= NULL
;
120 if (linear
) list
= client_list
;
121 else list
= focus_order
;
128 if (focus_cycle_target
== NULL
) {
129 focus_cycle_iconic_windows
= TRUE
;
130 focus_cycle_all_desktops
= all_desktops
;
131 focus_cycle_nonhilite_windows
= nonhilite_windows
;
132 focus_cycle_dock_windows
= dock_windows
;
133 focus_cycle_desktop_windows
= desktop_windows
;
134 start
= it
= g_list_find(list
, focus_client
);
136 start
= it
= g_list_find(list
, focus_cycle_target
);
138 if (!start
) /* switched desktops or something? */
139 start
= it
= forward
? g_list_last(list
) : g_list_first(list
);
140 if (!start
) goto done_cycle
;
145 if (it
== NULL
) it
= g_list_first(list
);
148 if (it
== NULL
) it
= g_list_last(list
);
151 if (focus_cycle_valid(ft
)) {
153 if (ft
!= focus_cycle_target
) { /* prevents flicker */
154 focus_cycle_target
= ft
;
155 focus_cycle_type
= OB_CYCLE_NORMAL
;
156 focus_cycle_draw_indicator(showbar
? ft
: NULL
);
158 /* same arguments as focus_target_valid */
159 focus_cycle_popup_show(ft
, mode
);
160 return focus_cycle_target
;
161 } else if (ft
!= focus_cycle_target
) {
162 focus_cycle_target
= ft
;
163 focus_cycle_type
= OB_CYCLE_NORMAL
;
168 } while (it
!= start
);
171 if (done
&& !cancel
) ret
= focus_cycle_target
;
173 focus_cycle_target
= NULL
;
174 focus_cycle_type
= OB_CYCLE_NONE
;
179 focus_cycle_draw_indicator(NULL
);
180 focus_cycle_popup_hide();
186 /* this be mostly ripped from fvwm */
187 static ObClient
*focus_find_directional(ObClient
*c
, ObDirection dir
,
188 gboolean dock_windows
,
189 gboolean desktop_windows
)
191 gint my_cx
, my_cy
, his_cx
, his_cy
;
194 gint score
, best_score
;
195 ObClient
*best_client
, *cur
;
201 /* first, find the centre coords of the currently focused window */
202 my_cx
= c
->frame
->area
.x
+ c
->frame
->area
.width
/ 2;
203 my_cy
= c
->frame
->area
.y
+ c
->frame
->area
.height
/ 2;
208 for (it
= g_list_first(client_list
); it
; it
= g_list_next(it
)) {
211 /* the currently selected window isn't interesting */
214 if (!focus_cycle_valid(it
->data
))
217 /* find the centre coords of this window, from the
218 * currently focused window's point of view */
219 his_cx
= (cur
->frame
->area
.x
- my_cx
)
220 + cur
->frame
->area
.width
/ 2;
221 his_cy
= (cur
->frame
->area
.y
- my_cy
)
222 + cur
->frame
->area
.height
/ 2;
224 if (dir
== OB_DIRECTION_NORTHEAST
|| dir
== OB_DIRECTION_SOUTHEAST
||
225 dir
== OB_DIRECTION_SOUTHWEST
|| dir
== OB_DIRECTION_NORTHWEST
)
228 /* Rotate the diagonals 45 degrees counterclockwise.
229 * To do this, multiply the matrix /+h +h\ with the
230 * vector (x y). \-h +h/
231 * h = sqrt(0.5). We can set h := 1 since absolute
232 * distance doesn't matter here. */
233 tx
= his_cx
+ his_cy
;
234 his_cy
= -his_cx
+ his_cy
;
239 case OB_DIRECTION_NORTH
:
240 case OB_DIRECTION_SOUTH
:
241 case OB_DIRECTION_NORTHEAST
:
242 case OB_DIRECTION_SOUTHWEST
:
243 offset
= (his_cx
< 0) ? -his_cx
: his_cx
;
244 distance
= ((dir
== OB_DIRECTION_NORTH
||
245 dir
== OB_DIRECTION_NORTHEAST
) ?
248 case OB_DIRECTION_EAST
:
249 case OB_DIRECTION_WEST
:
250 case OB_DIRECTION_SOUTHEAST
:
251 case OB_DIRECTION_NORTHWEST
:
252 offset
= (his_cy
< 0) ? -his_cy
: his_cy
;
253 distance
= ((dir
== OB_DIRECTION_WEST
||
254 dir
== OB_DIRECTION_NORTHWEST
) ?
259 /* the target must be in the requested direction */
263 /* Calculate score for this window. The smaller the better. */
264 score
= distance
+ offset
;
266 /* windows more than 45 degrees off the direction are
267 * heavily penalized and will only be chosen if nothing
268 * else within a million pixels */
269 if (offset
> distance
)
272 if (best_score
== -1 || score
< best_score
) {
281 ObClient
* focus_directional_cycle(ObDirection dir
, gboolean dock_windows
,
282 gboolean desktop_windows
,
283 gboolean interactive
,
284 gboolean showbar
, gboolean dialog
,
285 gboolean done
, gboolean cancel
)
287 static ObClient
*first
= NULL
;
289 ObClient
*ret
= NULL
;
292 focus_cycle_target
= NULL
;
294 } else if (done
&& interactive
)
300 if (focus_cycle_target
== NULL
) {
301 focus_cycle_iconic_windows
= FALSE
;
302 focus_cycle_all_desktops
= FALSE
;
303 focus_cycle_nonhilite_windows
= TRUE
;
304 focus_cycle_dock_windows
= dock_windows
;
305 focus_cycle_desktop_windows
= desktop_windows
;
308 if (!first
) first
= focus_client
;
310 if (focus_cycle_target
)
311 ft
= focus_find_directional(focus_cycle_target
, dir
, dock_windows
,
314 ft
= focus_find_directional(first
, dir
, dock_windows
, desktop_windows
);
318 for (it
= focus_order
; it
; it
= g_list_next(it
))
319 if (focus_cycle_valid(it
->data
)) {
325 if (ft
&& ft
!= focus_cycle_target
) {/* prevents flicker */
326 focus_cycle_target
= ft
;
327 focus_cycle_type
= OB_CYCLE_DIRECTIONAL
;
330 focus_cycle_draw_indicator(showbar
? ft
: NULL
);
332 if (focus_cycle_target
&& dialog
)
333 /* same arguments as focus_target_valid */
334 focus_cycle_popup_single_show(focus_cycle_target
);
335 return focus_cycle_target
;
338 if (done
&& !cancel
) ret
= focus_cycle_target
;
341 focus_cycle_target
= NULL
;
342 focus_cycle_type
= OB_CYCLE_NONE
;
344 focus_cycle_draw_indicator(NULL
);
345 focus_cycle_popup_single_hide();
350 gboolean
focus_cycle_valid(struct _ObClient
*client
)
352 return focus_valid_target(client
, screen_desktop
, TRUE
,
353 focus_cycle_iconic_windows
,
354 focus_cycle_all_desktops
,
355 focus_cycle_nonhilite_windows
,
356 focus_cycle_dock_windows
,
357 focus_cycle_desktop_windows
,