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Dogcows Code - chaz/openbox/blob - openbox/place.c
1 /* -*- indent-tabs-mode: nil; tab-width: 4; c-basic-offset: 4; -*-
3 place.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.
28 static void add_choice(guint
*choice
, guint mychoice
)
31 for (i
= 0; i
< screen_num_monitors
; ++i
) {
32 if (choice
[i
] == mychoice
)
34 else if (choice
[i
] == screen_num_monitors
) {
41 static Rect
*pick_pointer_head(ObClient
*c
)
46 screen_pointer_pos(&px
, &py
);
48 for (i
= 0; i
< screen_num_monitors
; ++i
) {
49 if (RECT_CONTAINS(*screen_physical_area_monitor(i
), px
, py
)) {
50 return screen_area_monitor(c
->desktop
, i
);
53 g_assert_not_reached();
56 /*! Pick a monitor to place a window on.
57 The returned array value should be freed with g_free. The areas within the
58 array should not be freed. */
59 static Rect
**pick_head(ObClient
*c
)
67 area
= g_new(Rect
*, screen_num_monitors
);
68 choice
= g_new(guint
, screen_num_monitors
);
69 for (i
= 0; i
< screen_num_monitors
; ++i
)
70 choice
[i
] = screen_num_monitors
; /* make them all invalid to start */
72 /* try direct parent first */
73 if ((p
= client_direct_parent(c
))) {
74 add_choice(choice
, client_monitor(p
));
75 ob_debug("placement adding choice %d for parent\n",
79 /* more than one window in its group (more than just this window) */
80 if (client_has_group_siblings(c
)) {
83 /* try on the client's desktop */
84 for (it
= c
->group
->members
; it
; it
= g_slist_next(it
)) {
85 ObClient
*itc
= it
->data
;
87 (itc
->desktop
== c
->desktop
||
88 itc
->desktop
== DESKTOP_ALL
|| c
->desktop
== DESKTOP_ALL
))
90 add_choice(choice
, client_monitor(it
->data
));
91 ob_debug("placement adding choice %d for group sibling\n",
92 client_monitor(it
->data
));
96 /* try on all desktops */
97 for (it
= c
->group
->members
; it
; it
= g_slist_next(it
)) {
98 ObClient
*itc
= it
->data
;
100 add_choice(choice
, client_monitor(it
->data
));
101 ob_debug("placement adding choice %d for group sibling on "
102 "another desktop\n", client_monitor(it
->data
));
108 add_choice(choice
, client_monitor(focus_client
));
109 ob_debug("placement adding choice %d for focused window\n",
110 client_monitor(focus_client
));
113 screen_pointer_pos(&px
, &py
);
115 for (i
= 0; i
< screen_num_monitors
; i
++)
116 if (RECT_CONTAINS(*screen_physical_area_monitor(i
), px
, py
)) {
117 add_choice(choice
, i
);
118 ob_debug("placement adding choice %d for mouse pointer\n", i
);
122 /* add any leftover choices */
123 for (i
= 0; i
< screen_num_monitors
; ++i
)
124 add_choice(choice
, i
);
126 for (i
= 0; i
< screen_num_monitors
; ++i
)
127 area
[i
] = screen_area_monitor(c
->desktop
, choice
[i
]);
132 static gboolean
place_random(ObClient
*client
, gint
*x
, gint
*y
)
138 areas
= pick_head(client
);
139 i
= g_random_int_range(0, screen_num_monitors
);
143 r
= areas
[i
]->x
+ areas
[i
]->width
- client
->frame
->area
.width
;
144 b
= areas
[i
]->y
+ areas
[i
]->height
- client
->frame
->area
.height
;
146 if (r
> l
) *x
= g_random_int_range(l
, r
+ 1);
147 else *x
= areas
[i
]->x
;
148 if (b
> t
) *y
= g_random_int_range(t
, b
+ 1);
149 else *y
= areas
[i
]->y
;
156 static GSList
* area_add(GSList
*list
, Rect
*a
)
158 Rect
*r
= g_new(Rect
, 1);
160 return g_slist_prepend(list
, r
);
163 static GSList
* area_remove(GSList
*list
, Rect
*a
)
166 GSList
*result
= NULL
;
168 for (sit
= list
; sit
; sit
= g_slist_next(sit
)) {
171 if (!RECT_INTERSECTS_RECT(*r
, *a
)) {
172 result
= g_slist_prepend(result
, r
);
173 r
= NULL
; /* dont free it */
177 /* Use an intersection of a and r to determine the space
178 around r that we can use.
180 NOTE: the spaces calculated can overlap.
183 RECT_SET_INTERSECTION(isect
, *r
, *a
);
185 if (RECT_LEFT(isect
) > RECT_LEFT(*r
)) {
186 RECT_SET(extra
, r
->x
, r
->y
,
187 RECT_LEFT(isect
) - r
->x
, r
->height
);
188 result
= area_add(result
, &extra
);
191 if (RECT_TOP(isect
) > RECT_TOP(*r
)) {
192 RECT_SET(extra
, r
->x
, r
->y
,
193 r
->width
, RECT_TOP(isect
) - r
->y
+ 1);
194 result
= area_add(result
, &extra
);
197 if (RECT_RIGHT(isect
) < RECT_RIGHT(*r
)) {
198 RECT_SET(extra
, RECT_RIGHT(isect
) + 1, r
->y
,
199 RECT_RIGHT(*r
) - RECT_RIGHT(isect
), r
->height
);
200 result
= area_add(result
, &extra
);
203 if (RECT_BOTTOM(isect
) < RECT_BOTTOM(*r
)) {
204 RECT_SET(extra
, r
->x
, RECT_BOTTOM(isect
) + 1,
205 r
->width
, RECT_BOTTOM(*r
) - RECT_BOTTOM(isect
));
206 result
= area_add(result
, &extra
);
216 static gint
area_cmp(gconstpointer p1
, gconstpointer p2
, gpointer data
)
219 Rect
*carea
= &c
->frame
->area
;
220 const Rect
*a1
= p1
, *a2
= p2
;
221 gboolean diffhead
= FALSE
;
225 for (i
= 0; i
< screen_num_monitors
; ++i
) {
226 a
= screen_physical_area_monitor(i
);
227 if (RECT_CONTAINS(*a
, a1
->x
, a1
->y
) &&
228 !RECT_CONTAINS(*a
, a2
->x
, a2
->y
))
235 /* has to be more than me in the group */
236 if (diffhead
&& client_has_group_siblings(c
)) {
240 /* find how many clients in the group are on each monitor, use the
241 monitor with the most in it */
242 num
= g_new0(guint
, screen_num_monitors
);
243 for (it
= c
->group
->members
; it
; it
= g_slist_next(it
))
245 ++num
[client_monitor(it
->data
)];
247 for (i
= 1; i
< screen_num_monitors
; ++i
)
248 if (num
[i
] > num
[most
])
253 a
= screen_physical_area_monitor(most
);
254 if (RECT_CONTAINS(*a
, a1
->x
, a1
->y
))
256 if (RECT_CONTAINS(*a
, a2
->x
, a2
->y
))
260 return MIN((a1
->width
- carea
->width
), (a1
->height
- carea
->height
)) -
261 MIN((a2
->width
- carea
->width
), (a2
->height
- carea
->height
));
271 #define SMART_IGNORE(placer, c) \
272 (placer == c || c->shaded || !c->frame->visible || \
273 c->type == OB_CLIENT_TYPE_SPLASH || c->type == OB_CLIENT_TYPE_DESKTOP || \
274 ((c->type == OB_CLIENT_TYPE_MENU || c->type == OB_CLIENT_TYPE_TOOLBAR) &&\
275 client_has_parent(c)) || \
276 (c->desktop != DESKTOP_ALL && \
277 c->desktop != (placer->desktop == DESKTOP_ALL ? \
278 screen_desktop : placer->desktop)))
280 static gboolean
place_smart(ObClient
*client
, gint
*x
, gint
*y
,
281 ObSmartType type
, gboolean ignore_max
)
283 gboolean ret
= FALSE
;
284 GSList
*spaces
= NULL
, *sit
;
289 if (type
== SMART_GROUP
) {
290 /* has to be more than me in the group */
291 if (!client_has_group_siblings(client
))
295 areas
= pick_head(client
);
297 for (i
= 0; i
< screen_num_monitors
&& !ret
; ++i
) {
298 spaces
= area_add(spaces
, areas
[i
]);
300 /* stay out from under windows in higher layers */
301 for (it
= stacking_list
; it
; it
= g_list_next(it
)) {
304 if (WINDOW_IS_CLIENT(it
->data
)) {
307 (c
->fullscreen
|| (c
->max_vert
&& c
->max_horz
)))
312 if (c
->layer
> client
->layer
) {
313 if (!SMART_IGNORE(client
, c
))
314 spaces
= area_remove(spaces
, &c
->frame
->area
);
319 if (type
== SMART_FULL
|| type
== SMART_FOCUSED
) {
320 gboolean found_foc
= FALSE
, stop
= FALSE
;
323 foc
= focus_order_find_first(client
->desktop
== DESKTOP_ALL
?
324 screen_desktop
: client
->desktop
);
326 for (; it
&& !stop
; it
= g_list_next(it
)) {
329 if (WINDOW_IS_CLIENT(it
->data
)) {
332 (c
->fullscreen
|| (c
->max_vert
&& c
->max_horz
)))
337 if (!SMART_IGNORE(client
, c
)) {
338 if (type
== SMART_FOCUSED
)
342 spaces
= area_remove(spaces
, &c
->frame
->area
);
348 } else if (type
== SMART_GROUP
) {
349 for (sit
= client
->group
->members
; sit
; sit
= g_slist_next(sit
)) {
350 ObClient
*c
= sit
->data
;
351 if (!SMART_IGNORE(client
, c
))
352 spaces
= area_remove(spaces
, &c
->frame
->area
);
355 g_assert_not_reached();
357 spaces
= g_slist_sort_with_data(spaces
, area_cmp
, client
);
359 for (sit
= spaces
; sit
; sit
= g_slist_next(sit
)) {
363 if (r
->width
>= client
->frame
->area
.width
&&
364 r
->height
>= client
->frame
->area
.height
) {
366 if (client
->type
== OB_CLIENT_TYPE_DIALOG
||
369 *x
= r
->x
+ (r
->width
- client
->frame
->area
.width
)/2;
370 *y
= r
->y
+ (r
->height
- client
->frame
->area
.height
)/2;
380 g_slist_free(spaces
);
389 static gboolean
place_under_mouse(ObClient
*client
, gint
*x
, gint
*y
)
395 area
= pick_pointer_head(client
);
396 screen_pointer_pos(&px
, &py
);
400 r
= area
->x
+ area
->width
- client
->frame
->area
.width
;
401 b
= area
->y
+ area
->height
- client
->frame
->area
.height
;
403 *x
= px
- client
->area
.width
/ 2 - client
->frame
->size
.left
;
404 *x
= MIN(MAX(*x
, l
), r
);
405 *y
= py
- client
->area
.height
/ 2 - client
->frame
->size
.top
;
406 *y
= MIN(MAX(*y
, t
), b
);
411 static gboolean
place_per_app_setting(ObClient
*client
, gint
*x
, gint
*y
,
412 ObAppSettings
*settings
)
416 if (!settings
|| (settings
&& !settings
->pos_given
))
419 /* Find which head the pointer is on */
420 if (settings
->monitor
== 0)
421 screen
= pick_pointer_head(client
);
422 else if (settings
->monitor
> 0 &&
423 (guint
)settings
->monitor
<= screen_num_monitors
)
424 screen
= screen_area_monitor(client
->desktop
,
425 (guint
)settings
->monitor
- 1);
428 all
= pick_head(client
);
430 g_free(all
); /* the areas themselves don't need to be freed */
433 if (settings
->center_x
)
434 *x
= screen
->x
+ screen
->width
/ 2 - client
->area
.width
/ 2;
436 *x
= screen
->x
+ settings
->position
.x
;
438 if (settings
->center_y
)
439 *y
= screen
->y
+ screen
->height
/ 2 - client
->area
.height
/ 2;
441 *y
= screen
->y
+ settings
->position
.y
;
446 static gboolean
place_transient_splash(ObClient
*client
, gint
*x
, gint
*y
)
448 if (client
->type
== OB_CLIENT_TYPE_DIALOG
) {
450 gboolean first
= TRUE
;
452 for (it
= client
->parents
; it
; it
= g_slist_next(it
)) {
453 ObClient
*m
= it
->data
;
456 l
= RECT_LEFT(m
->frame
->area
);
457 t
= RECT_TOP(m
->frame
->area
);
458 r
= RECT_RIGHT(m
->frame
->area
);
459 b
= RECT_BOTTOM(m
->frame
->area
);
462 l
= MIN(l
, RECT_LEFT(m
->frame
->area
));
463 t
= MIN(t
, RECT_TOP(m
->frame
->area
));
464 r
= MAX(r
, RECT_RIGHT(m
->frame
->area
));
465 b
= MAX(b
, RECT_BOTTOM(m
->frame
->area
));
469 *x
= ((r
+ 1 - l
) - client
->frame
->area
.width
) / 2 + l
;
470 *y
= ((b
+ 1 - t
) - client
->frame
->area
.height
) / 2 + t
;
476 if (client
->type
== OB_CLIENT_TYPE_DIALOG
||
477 client
->type
== OB_CLIENT_TYPE_SPLASH
)
481 areas
= pick_head(client
);
483 *x
= (areas
[0]->width
- client
->frame
->area
.width
) / 2 + areas
[0]->x
;
484 *y
= (areas
[0]->height
- client
->frame
->area
.height
) / 2 + areas
[0]->y
;
493 /* Return TRUE if we want client.c to enforce on-screen-keeping */
494 gboolean
place_client(ObClient
*client
, gint
*x
, gint
*y
,
495 ObAppSettings
*settings
)
497 gboolean ret
= FALSE
;
498 if (client
->positioned
)
500 if (place_transient_splash(client
, x
, y
))
503 place_per_app_setting(client
, x
, y
, settings
) ||
504 ((config_place_policy
== OB_PLACE_POLICY_MOUSE
) ?
505 place_under_mouse(client
, x
, y
) :
506 place_smart(client
, x
, y
, SMART_FULL
, FALSE
) ||
507 place_smart(client
, x
, y
, SMART_FULL
, TRUE
) ||
508 place_smart(client
, x
, y
, SMART_GROUP
, FALSE
) ||
509 place_smart(client
, x
, y
, SMART_GROUP
, TRUE
) ||
510 place_smart(client
, x
, y
, SMART_FOCUSED
, TRUE
) ||
511 place_random(client
, x
, y
))))
512 g_assert_not_reached(); /* the last one better succeed */
513 /* get where the client should be */
514 frame_frame_gravity(client
->frame
, x
, y
,
515 client
->area
.width
, client
->area
.height
);
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