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_dock_windows
;
43 static gboolean focus_cycle_desktop_windows
;
45 static ObClient
*focus_find_directional(ObClient
*c
,
47 gboolean dock_windows
,
48 gboolean desktop_windows
);
50 void focus_cycle_startup(gboolean reconfig
)
55 void focus_cycle_shutdown(gboolean reconfig
)
60 void focus_cycle_addremove(ObClient
*c
, gboolean redraw
)
62 if (!focus_cycle_type
)
65 if (focus_cycle_type
== OB_CYCLE_DIRECTIONAL
) {
66 if (c
&& focus_cycle_target
== c
) {
67 focus_directional_cycle(0, TRUE
, TRUE
, TRUE
, TRUE
,
71 else if (c
&& redraw
) {
74 v
= focus_cycle_valid(c
);
75 s
= focus_cycle_popup_is_showing(c
);
78 focus_cycle_reorder();
81 focus_cycle_reorder();
85 void focus_cycle_reorder()
87 if (focus_cycle_type
== OB_CYCLE_NORMAL
) {
88 focus_cycle_target
= focus_cycle_popup_refresh(focus_cycle_target
,
90 focus_cycle_update_indicator(focus_cycle_target
);
91 if (!focus_cycle_target
)
92 focus_cycle(TRUE
, TRUE
, TRUE
, TRUE
, TRUE
,
93 TRUE
, TRUE
, TRUE
, TRUE
, TRUE
);
97 ObClient
* focus_cycle(gboolean forward
, gboolean all_desktops
,
98 gboolean dock_windows
, gboolean desktop_windows
,
99 gboolean linear
, gboolean interactive
,
100 gboolean showbar
, ObFocusCyclePopupMode mode
,
101 gboolean done
, gboolean cancel
)
103 static GList
*order
= NULL
;
104 GList
*it
, *start
, *list
;
106 ObClient
*ret
= NULL
;
110 focus_cycle_target
= NULL
;
118 if (linear
) list
= client_list
;
119 else list
= focus_order
;
126 if (focus_cycle_target
== NULL
) {
127 focus_cycle_iconic_windows
= TRUE
;
128 focus_cycle_all_desktops
= all_desktops
;
129 focus_cycle_dock_windows
= dock_windows
;
130 focus_cycle_desktop_windows
= desktop_windows
;
131 start
= it
= g_list_find(list
, focus_client
);
133 start
= it
= g_list_find(list
, focus_cycle_target
);
135 if (!start
) /* switched desktops or something? */
136 start
= it
= forward
? g_list_last(list
) : g_list_first(list
);
137 if (!start
) goto done_cycle
;
142 if (it
== NULL
) it
= g_list_first(list
);
145 if (it
== NULL
) it
= g_list_last(list
);
148 if (focus_cycle_valid(ft
)) {
150 if (ft
!= focus_cycle_target
) { /* prevents flicker */
151 focus_cycle_target
= ft
;
152 focus_cycle_type
= OB_CYCLE_NORMAL
;
153 focus_cycle_draw_indicator(showbar
? ft
: NULL
);
155 /* same arguments as focus_target_valid */
156 focus_cycle_popup_show(ft
,
157 focus_cycle_iconic_windows
,
158 focus_cycle_all_desktops
,
159 focus_cycle_dock_windows
,
160 focus_cycle_desktop_windows
,
162 return focus_cycle_target
;
163 } else if (ft
!= focus_cycle_target
) {
164 focus_cycle_target
= ft
;
165 focus_cycle_type
= OB_CYCLE_NORMAL
;
170 } while (it
!= start
);
173 if (done
&& !cancel
) ret
= focus_cycle_target
;
175 focus_cycle_target
= NULL
;
176 focus_cycle_type
= OB_CYCLE_NONE
;
181 focus_cycle_draw_indicator(NULL
);
182 focus_cycle_popup_hide();
188 /* this be mostly ripped from fvwm */
189 static ObClient
*focus_find_directional(ObClient
*c
, ObDirection dir
,
190 gboolean dock_windows
,
191 gboolean desktop_windows
)
193 gint my_cx
, my_cy
, his_cx
, his_cy
;
196 gint score
, best_score
;
197 ObClient
*best_client
, *cur
;
203 /* first, find the centre coords of the currently focused window */
204 my_cx
= c
->frame
->area
.x
+ c
->frame
->area
.width
/ 2;
205 my_cy
= c
->frame
->area
.y
+ c
->frame
->area
.height
/ 2;
210 for (it
= g_list_first(client_list
); it
; it
= g_list_next(it
)) {
213 /* the currently selected window isn't interesting */
216 if (!focus_cycle_valid(it
->data
))
219 /* find the centre coords of this window, from the
220 * currently focused window's point of view */
221 his_cx
= (cur
->frame
->area
.x
- my_cx
)
222 + cur
->frame
->area
.width
/ 2;
223 his_cy
= (cur
->frame
->area
.y
- my_cy
)
224 + cur
->frame
->area
.height
/ 2;
226 if (dir
== OB_DIRECTION_NORTHEAST
|| dir
== OB_DIRECTION_SOUTHEAST
||
227 dir
== OB_DIRECTION_SOUTHWEST
|| dir
== OB_DIRECTION_NORTHWEST
)
230 /* Rotate the diagonals 45 degrees counterclockwise.
231 * To do this, multiply the matrix /+h +h\ with the
232 * vector (x y). \-h +h/
233 * h = sqrt(0.5). We can set h := 1 since absolute
234 * distance doesn't matter here. */
235 tx
= his_cx
+ his_cy
;
236 his_cy
= -his_cx
+ his_cy
;
241 case OB_DIRECTION_NORTH
:
242 case OB_DIRECTION_SOUTH
:
243 case OB_DIRECTION_NORTHEAST
:
244 case OB_DIRECTION_SOUTHWEST
:
245 offset
= (his_cx
< 0) ? -his_cx
: his_cx
;
246 distance
= ((dir
== OB_DIRECTION_NORTH
||
247 dir
== OB_DIRECTION_NORTHEAST
) ?
250 case OB_DIRECTION_EAST
:
251 case OB_DIRECTION_WEST
:
252 case OB_DIRECTION_SOUTHEAST
:
253 case OB_DIRECTION_NORTHWEST
:
254 offset
= (his_cy
< 0) ? -his_cy
: his_cy
;
255 distance
= ((dir
== OB_DIRECTION_WEST
||
256 dir
== OB_DIRECTION_NORTHWEST
) ?
261 /* the target must be in the requested direction */
265 /* Calculate score for this window. The smaller the better. */
266 score
= distance
+ offset
;
268 /* windows more than 45 degrees off the direction are
269 * heavily penalized and will only be chosen if nothing
270 * else within a million pixels */
271 if (offset
> distance
)
274 if (best_score
== -1 || score
< best_score
) {
283 ObClient
* focus_directional_cycle(ObDirection dir
, gboolean dock_windows
,
284 gboolean desktop_windows
,
285 gboolean interactive
,
286 gboolean showbar
, gboolean dialog
,
287 gboolean done
, gboolean cancel
)
289 static ObClient
*first
= NULL
;
291 ObClient
*ret
= NULL
;
294 focus_cycle_target
= NULL
;
296 } else if (done
&& interactive
)
302 if (focus_cycle_target
== NULL
) {
303 focus_cycle_iconic_windows
= FALSE
;
304 focus_cycle_all_desktops
= FALSE
;
305 focus_cycle_dock_windows
= dock_windows
;
306 focus_cycle_desktop_windows
= desktop_windows
;
309 if (!first
) first
= focus_client
;
311 if (focus_cycle_target
)
312 ft
= focus_find_directional(focus_cycle_target
, dir
, dock_windows
,
315 ft
= focus_find_directional(first
, dir
, dock_windows
, desktop_windows
);
319 for (it
= focus_order
; it
; it
= g_list_next(it
))
320 if (focus_cycle_valid(it
->data
)) {
326 if (ft
&& ft
!= focus_cycle_target
) {/* prevents flicker */
327 focus_cycle_target
= ft
;
328 focus_cycle_type
= OB_CYCLE_DIRECTIONAL
;
331 focus_cycle_draw_indicator(showbar
? ft
: NULL
);
333 if (focus_cycle_target
&& dialog
)
334 /* same arguments as focus_target_valid */
335 focus_cycle_popup_single_show(focus_cycle_target
,
336 focus_cycle_iconic_windows
,
337 focus_cycle_all_desktops
,
338 focus_cycle_dock_windows
,
339 focus_cycle_desktop_windows
);
340 return focus_cycle_target
;
343 if (done
&& !cancel
) ret
= focus_cycle_target
;
346 focus_cycle_target
= NULL
;
347 focus_cycle_type
= OB_CYCLE_NONE
;
349 focus_cycle_draw_indicator(NULL
);
350 focus_cycle_popup_single_hide();
355 gboolean
focus_cycle_valid(struct _ObClient
*client
)
357 return focus_valid_target(client
, screen_desktop
, TRUE
,
358 focus_cycle_iconic_windows
,
359 focus_cycle_all_desktops
,
360 focus_cycle_dock_windows
,
361 focus_cycle_desktop_windows
,