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"
22 #include "focus_cycle_popup.h"
33 ObClient
*focus_cycle_target
= NULL
;
34 static gboolean focus_cycle_directional
= FALSE
;
35 static gboolean focus_cycle_iconic_windows
;
36 static gboolean focus_cycle_all_desktops
;
37 static gboolean focus_cycle_dock_windows
;
38 static gboolean focus_cycle_desktop_windows
;
40 static ObClient
*focus_find_directional(ObClient
*c
,
42 gboolean dock_windows
,
43 gboolean desktop_windows
);
45 void focus_cycle_startup(gboolean reconfig
)
50 void focus_cycle_shutdown(gboolean reconfig
)
55 void focus_cycle_add(ObClient
*ifclient
)
57 if (!(focus_cycle_target
&& ifclient
&& !focus_cycle_directional
))
60 if (focus_valid_target(ifclient
, TRUE
,
61 focus_cycle_iconic_windows
,
62 focus_cycle_all_desktops
,
63 focus_cycle_dock_windows
,
64 focus_cycle_desktop_windows
,
66 focus_cycle_popup_refresh(focus_cycle_target
,
67 focus_cycle_iconic_windows
,
68 focus_cycle_all_desktops
,
69 focus_cycle_dock_windows
,
70 focus_cycle_desktop_windows
);
73 void focus_cycle_remove(ObClient
*ifclient
)
75 if (!(focus_cycle_target
&& ifclient
))
78 if (focus_cycle_directional
) {
79 if (focus_cycle_target
== ifclient
) {
80 focus_directional_cycle(0, TRUE
, TRUE
, TRUE
, TRUE
,
85 if (!focus_valid_target(ifclient
, TRUE
,
86 focus_cycle_iconic_windows
,
87 focus_cycle_all_desktops
,
88 focus_cycle_dock_windows
,
89 focus_cycle_desktop_windows
,
91 if (focus_cycle_target
== ifclient
) {
93 focus_cycle_popup_revert(focus_cycle_target
);
94 focus_cycle_update_indicator(focus_cycle_target
);
96 focus_cycle_popup_refresh(focus_cycle_target
,
97 focus_cycle_iconic_windows
,
98 focus_cycle_all_desktops
,
99 focus_cycle_dock_windows
,
100 focus_cycle_desktop_windows
);
105 void focus_cycle_reorder()
107 if (focus_cycle_target
&& !focus_cycle_directional
)
108 focus_cycle_popup_refresh(focus_cycle_target
,
109 focus_cycle_iconic_windows
,
110 focus_cycle_all_desktops
,
111 focus_cycle_dock_windows
,
112 focus_cycle_desktop_windows
);
115 ObClient
* focus_cycle(gboolean forward
, gboolean all_desktops
,
116 gboolean dock_windows
, gboolean desktop_windows
,
117 gboolean linear
, gboolean interactive
,
118 gboolean showbar
, gboolean dialog
,
119 gboolean done
, gboolean cancel
)
121 static GList
*order
= NULL
;
122 GList
*it
, *start
, *list
;
124 ObClient
*ret
= NULL
;
128 focus_cycle_target
= NULL
;
129 focus_cycle_directional
= FALSE
;
137 if (linear
) list
= client_list
;
138 else list
= focus_order
;
145 if (focus_cycle_target
== NULL
) {
146 focus_cycle_iconic_windows
= TRUE
;
147 focus_cycle_all_desktops
= all_desktops
;
148 focus_cycle_dock_windows
= dock_windows
;
149 focus_cycle_desktop_windows
= desktop_windows
;
150 start
= it
= g_list_find(list
, focus_client
);
152 start
= it
= g_list_find(list
, focus_cycle_target
);
154 if (!start
) /* switched desktops or something? */
155 start
= it
= forward
? g_list_last(list
) : g_list_first(list
);
156 if (!start
) goto done_cycle
;
161 if (it
== NULL
) it
= g_list_first(list
);
164 if (it
== NULL
) it
= g_list_last(list
);
167 if (focus_valid_target(ft
, TRUE
,
168 focus_cycle_iconic_windows
,
169 focus_cycle_all_desktops
,
170 focus_cycle_dock_windows
,
171 focus_cycle_desktop_windows
,
175 if (ft
!= focus_cycle_target
) { /* prevents flicker */
176 focus_cycle_target
= ft
;
177 focus_cycle_directional
= FALSE
;
178 focus_cycle_draw_indicator(showbar
? ft
: NULL
);
181 /* same arguments as focus_target_valid */
182 focus_cycle_popup_show(ft
,
183 focus_cycle_iconic_windows
,
184 focus_cycle_all_desktops
,
185 focus_cycle_dock_windows
,
186 focus_cycle_desktop_windows
);
187 return focus_cycle_target
;
188 } else if (ft
!= focus_cycle_target
) {
189 focus_cycle_target
= ft
;
190 focus_cycle_directional
= FALSE
;
195 } while (it
!= start
);
198 if (done
&& !cancel
) ret
= focus_cycle_target
;
200 focus_cycle_target
= NULL
;
201 focus_cycle_directional
= FALSE
;
206 focus_cycle_draw_indicator(NULL
);
207 focus_cycle_popup_hide();
213 /* this be mostly ripped from fvwm */
214 static ObClient
*focus_find_directional(ObClient
*c
, ObDirection dir
,
215 gboolean dock_windows
,
216 gboolean desktop_windows
)
218 gint my_cx
, my_cy
, his_cx
, his_cy
;
221 gint score
, best_score
;
222 ObClient
*best_client
, *cur
;
228 /* first, find the centre coords of the currently focused window */
229 my_cx
= c
->frame
->area
.x
+ c
->frame
->area
.width
/ 2;
230 my_cy
= c
->frame
->area
.y
+ c
->frame
->area
.height
/ 2;
235 for (it
= g_list_first(client_list
); it
; it
= g_list_next(it
)) {
238 /* the currently selected window isn't interesting */
241 if (!focus_valid_target(it
->data
, TRUE
, FALSE
, FALSE
, dock_windows
,
242 desktop_windows
, FALSE
))
245 /* find the centre coords of this window, from the
246 * currently focused window's point of view */
247 his_cx
= (cur
->frame
->area
.x
- my_cx
)
248 + cur
->frame
->area
.width
/ 2;
249 his_cy
= (cur
->frame
->area
.y
- my_cy
)
250 + cur
->frame
->area
.height
/ 2;
252 if (dir
== OB_DIRECTION_NORTHEAST
|| dir
== OB_DIRECTION_SOUTHEAST
||
253 dir
== OB_DIRECTION_SOUTHWEST
|| dir
== OB_DIRECTION_NORTHWEST
)
256 /* Rotate the diagonals 45 degrees counterclockwise.
257 * To do this, multiply the matrix /+h +h\ with the
258 * vector (x y). \-h +h/
259 * h = sqrt(0.5). We can set h := 1 since absolute
260 * distance doesn't matter here. */
261 tx
= his_cx
+ his_cy
;
262 his_cy
= -his_cx
+ his_cy
;
267 case OB_DIRECTION_NORTH
:
268 case OB_DIRECTION_SOUTH
:
269 case OB_DIRECTION_NORTHEAST
:
270 case OB_DIRECTION_SOUTHWEST
:
271 offset
= (his_cx
< 0) ? -his_cx
: his_cx
;
272 distance
= ((dir
== OB_DIRECTION_NORTH
||
273 dir
== OB_DIRECTION_NORTHEAST
) ?
276 case OB_DIRECTION_EAST
:
277 case OB_DIRECTION_WEST
:
278 case OB_DIRECTION_SOUTHEAST
:
279 case OB_DIRECTION_NORTHWEST
:
280 offset
= (his_cy
< 0) ? -his_cy
: his_cy
;
281 distance
= ((dir
== OB_DIRECTION_WEST
||
282 dir
== OB_DIRECTION_NORTHWEST
) ?
287 /* the target must be in the requested direction */
291 /* Calculate score for this window. The smaller the better. */
292 score
= distance
+ offset
;
294 /* windows more than 45 degrees off the direction are
295 * heavily penalized and will only be chosen if nothing
296 * else within a million pixels */
297 if (offset
> distance
)
300 if (best_score
== -1 || score
< best_score
) {
309 ObClient
* focus_directional_cycle(ObDirection dir
, gboolean dock_windows
,
310 gboolean desktop_windows
,
311 gboolean interactive
,
312 gboolean showbar
, gboolean dialog
,
313 gboolean done
, gboolean cancel
)
315 static ObClient
*first
= NULL
;
317 ObClient
*ret
= NULL
;
320 focus_cycle_target
= NULL
;
321 focus_cycle_directional
= FALSE
;
323 } else if (done
&& interactive
)
329 if (focus_cycle_target
== NULL
) {
330 focus_cycle_iconic_windows
= FALSE
;
331 focus_cycle_all_desktops
= FALSE
;
332 focus_cycle_dock_windows
= dock_windows
;
333 focus_cycle_desktop_windows
= desktop_windows
;
336 if (!first
) first
= focus_client
;
338 if (focus_cycle_target
)
339 ft
= focus_find_directional(focus_cycle_target
, dir
, dock_windows
,
342 ft
= focus_find_directional(first
, dir
, dock_windows
, desktop_windows
);
346 for (it
= focus_order
; it
; it
= g_list_next(it
))
347 if (focus_valid_target(it
->data
, TRUE
,
348 focus_cycle_iconic_windows
,
349 focus_cycle_all_desktops
,
350 focus_cycle_dock_windows
,
351 focus_cycle_desktop_windows
, FALSE
))
355 if (ft
&& ft
!= focus_cycle_target
) {/* prevents flicker */
356 focus_cycle_target
= ft
;
357 focus_cycle_directional
= TRUE
;
360 focus_cycle_draw_indicator(showbar
? ft
: NULL
);
362 if (focus_cycle_target
&& dialog
)
363 /* same arguments as focus_target_valid */
364 focus_cycle_popup_single_show(focus_cycle_target
,
365 focus_cycle_iconic_windows
,
366 focus_cycle_all_desktops
,
367 focus_cycle_dock_windows
,
368 focus_cycle_desktop_windows
);
369 return focus_cycle_target
;
372 if (done
&& !cancel
) ret
= focus_cycle_target
;
375 focus_cycle_target
= NULL
;
376 focus_cycle_directional
= FALSE
;
378 focus_cycle_draw_indicator(NULL
);
379 focus_cycle_popup_single_hide();