]> Dogcows Code - chaz/openbox/blob - openbox/place.c
add noStrut option to dock and fix up rc.xsd, some options were in the wrong section...
[chaz/openbox] / openbox / place.c
1 /* -*- indent-tabs-mode: nil; tab-width: 4; c-basic-offset: 4; -*-
2
3 place.c for the Openbox window manager
4 Copyright (c) 2003 Ben Jansens
5
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
10
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
15
16 See the COPYING file for a copy of the GNU General Public License.
17 */
18
19 #include "client.h"
20 #include "group.h"
21 #include "screen.h"
22 #include "frame.h"
23 #include "focus.h"
24 #include "config.h"
25
26 static Rect* pick_head(ObClient *c)
27 {
28 /* try direct parent first */
29 if (c->transient_for && c->transient_for != OB_TRAN_GROUP) {
30 return screen_area_monitor(c->desktop,
31 client_monitor(c->transient_for));
32 }
33
34 /* more than one guy in his group (more than just him) */
35 if (client_has_group_siblings(c)) {
36 GSList *it;
37
38 /* try on the client's desktop */
39 for (it = c->group->members; it; it = g_slist_next(it)) {
40 ObClient *itc = it->data;
41 if (itc != c &&
42 (itc->desktop == c->desktop ||
43 itc->desktop == DESKTOP_ALL || c->desktop == DESKTOP_ALL))
44 return screen_area_monitor(c->desktop,
45 client_monitor(it->data));
46 }
47
48 /* try on all desktops */
49 for (it = c->group->members; it; it = g_slist_next(it)) {
50 ObClient *itc = it->data;
51 if (itc != c)
52 return screen_area_monitor(c->desktop,
53 client_monitor(it->data));
54 }
55 }
56
57 return NULL;
58 }
59
60 static gboolean place_random(ObClient *client, gint *x, gint *y)
61 {
62 gint l, r, t, b;
63 Rect *area;
64
65 area = pick_head(client);
66 if (!area)
67 area = screen_area_monitor(client->desktop,
68 g_random_int_range(0, screen_num_monitors));
69
70 l = area->x;
71 t = area->y;
72 r = area->x + area->width - client->frame->area.width;
73 b = area->y + area->height - client->frame->area.height;
74
75 if (r > l) *x = g_random_int_range(l, r + 1);
76 else *x = 0;
77 if (b > t) *y = g_random_int_range(t, b + 1);
78 else *y = 0;
79
80 return TRUE;
81 }
82
83 static GSList* area_add(GSList *list, Rect *a)
84 {
85 Rect *r = g_new(Rect, 1);
86 *r = *a;
87 return g_slist_prepend(list, r);
88 }
89
90 static GSList* area_remove(GSList *list, Rect *a)
91 {
92 GSList *sit;
93 GSList *result = NULL;
94
95 for (sit = list; sit; sit = g_slist_next(sit)) {
96 Rect *r = sit->data;
97
98 if (!RECT_INTERSECTS_RECT(*r, *a)) {
99 result = g_slist_prepend(result, r);
100 r = NULL; /* dont free it */
101 } else {
102 Rect isect, extra;
103
104 /* Use an intersection of a and r to determine the space
105 around r that we can use.
106
107 NOTE: the spaces calculated can overlap.
108 */
109
110 RECT_SET_INTERSECTION(isect, *r, *a);
111
112 if (RECT_LEFT(isect) > RECT_LEFT(*r)) {
113 RECT_SET(extra, r->x, r->y,
114 RECT_LEFT(isect) - r->x, r->height);
115 result = area_add(result, &extra);
116 }
117
118 if (RECT_TOP(isect) > RECT_TOP(*r)) {
119 RECT_SET(extra, r->x, r->y,
120 r->width, RECT_TOP(isect) - r->y + 1);
121 result = area_add(result, &extra);
122 }
123
124 if (RECT_RIGHT(isect) < RECT_RIGHT(*r)) {
125 RECT_SET(extra, RECT_RIGHT(isect) + 1, r->y,
126 RECT_RIGHT(*r) - RECT_RIGHT(isect), r->height);
127 result = area_add(result, &extra);
128 }
129
130 if (RECT_BOTTOM(isect) < RECT_BOTTOM(*r)) {
131 RECT_SET(extra, r->x, RECT_BOTTOM(isect) + 1,
132 r->width, RECT_BOTTOM(*r) - RECT_BOTTOM(isect));
133 result = area_add(result, &extra);
134 }
135 }
136
137 g_free(r);
138 }
139 g_slist_free(list);
140 return result;
141 }
142
143 static gint area_cmp(gconstpointer p1, gconstpointer p2, gpointer data)
144 {
145 ObClient *c = data;
146 Rect *carea = &c->frame->area;
147 const Rect *a1 = p1, *a2 = p2;
148 gboolean diffhead = FALSE;
149 guint i;
150 Rect *a;
151
152 for (i = 0; i < screen_num_monitors; ++i) {
153 a = screen_physical_area_monitor(i);
154 if (RECT_CONTAINS(*a, a1->x, a1->y) &&
155 !RECT_CONTAINS(*a, a2->x, a2->y))
156 {
157 diffhead = TRUE;
158 break;
159 }
160 }
161
162 /* has to be more than me in the group */
163 if (diffhead && client_has_group_siblings(c)) {
164 guint *num, most;
165 GSList *it;
166
167 /* find how many clients in the group are on each monitor, use the
168 monitor with the most in it */
169 num = g_new0(guint, screen_num_monitors);
170 for (it = c->group->members; it; it = g_slist_next(it))
171 if (it->data != c)
172 ++num[client_monitor(it->data)];
173 most = 0;
174 for (i = 1; i < screen_num_monitors; ++i)
175 if (num[i] > num[most])
176 most = i;
177
178 a = screen_physical_area_monitor(most);
179 if (RECT_CONTAINS(*a, a1->x, a1->y))
180 return -1;
181 if (RECT_CONTAINS(*a, a2->x, a2->y))
182 return 1;
183 }
184
185 return MIN((a1->width - carea->width), (a1->height - carea->height)) -
186 MIN((a2->width - carea->width), (a2->height - carea->height));
187 }
188
189 typedef enum
190 {
191 SMART_FULL,
192 SMART_GROUP,
193 SMART_FOCUSED
194 } ObSmartType;
195
196 #define SMART_IGNORE(placer, c) \
197 (placer == c || !c->frame->visible || c->shaded || !client_normal(c) || \
198 (c->desktop != DESKTOP_ALL && \
199 c->desktop != (placer->desktop == DESKTOP_ALL ? \
200 screen_desktop : placer->desktop)))
201
202 static gboolean place_smart(ObClient *client, gint *x, gint *y,
203 ObSmartType type)
204 {
205 guint i;
206 gboolean ret = FALSE;
207 GSList *spaces = NULL, *sit;
208 GList *it;
209
210 for (i = 0; i < screen_num_monitors; ++i)
211 spaces = area_add(spaces, screen_area_monitor(client->desktop, i));
212
213 /* stay out from under windows in higher layers */
214 for (it = stacking_list; it; it = g_list_next(it)) {
215 ObClient *c;
216
217 if (WINDOW_IS_CLIENT(it->data)) {
218 c = it->data;
219 if (c->fullscreen)
220 continue;
221 } else
222 continue;
223
224 if (c->layer > client->layer) {
225 if (!SMART_IGNORE(client, c))
226 spaces = area_remove(spaces, &c->frame->area);
227 } else
228 break;
229 }
230
231 if (client->type == OB_CLIENT_TYPE_NORMAL) {
232 if (type == SMART_FULL || type == SMART_FOCUSED) {
233 gboolean found_foc = FALSE, stop = FALSE;
234 ObClient *foc;
235 GList *list;
236
237 list = focus_order[client->desktop == DESKTOP_ALL ?
238 screen_desktop : client->desktop];
239 foc = list ? list->data : NULL;
240
241 for (; it && !stop; it = g_list_next(it)) {
242 ObClient *c;
243
244 if (WINDOW_IS_CLIENT(it->data)) {
245 c = it->data;
246 if (c->fullscreen)
247 continue;
248 } else
249 continue;
250
251 if (!SMART_IGNORE(client, c)) {
252 if (type == SMART_FOCUSED)
253 if (found_foc)
254 stop = TRUE;
255 if (!stop)
256 spaces = area_remove(spaces, &c->frame->area);
257 }
258
259 if (c == foc)
260 found_foc = TRUE;
261 }
262 } else if (type == SMART_GROUP) {
263 /* has to be more than me in the group */
264 if (!client_has_group_siblings(client))
265 return FALSE;
266
267 for (sit = client->group->members; sit; sit = g_slist_next(sit)) {
268 ObClient *c = sit->data;
269 if (!SMART_IGNORE(client, c))
270 spaces = area_remove(spaces, &c->frame->area);
271 }
272 } else
273 g_assert_not_reached();
274 }
275
276 spaces = g_slist_sort_with_data(spaces, area_cmp, client);
277
278 for (sit = spaces; sit; sit = g_slist_next(sit)) {
279 Rect *r = sit->data;
280
281 if (!ret) {
282 if (r->width >= client->frame->area.width &&
283 r->height >= client->frame->area.height) {
284 ret = TRUE;
285 if (client->type == OB_CLIENT_TYPE_DIALOG ||
286 type != SMART_FULL)
287 {
288 *x = r->x + (r->width - client->frame->area.width) / 2;
289 *y = r->y + (r->height - client->frame->area.height) / 2;
290 } else {
291 *x = r->x;
292 *y = r->y;
293 }
294 }
295 }
296
297 g_free(r);
298 }
299 g_slist_free(spaces);
300
301 return ret;
302 }
303
304 static gboolean place_under_mouse(ObClient *client, gint *x, gint *y)
305 {
306 guint i;
307 gint l, r, t, b;
308 gint px, py;
309 Rect *area;
310
311 screen_pointer_pos(&px, &py);
312
313 for (i = 0; i < screen_num_monitors; ++i) {
314 area = screen_area_monitor(client->desktop, i);
315 if (RECT_CONTAINS(*area, px, py))
316 break;
317 }
318 if (i == screen_num_monitors)
319 area = screen_area_monitor(client->desktop, 0);
320
321 l = area->x;
322 t = area->y;
323 r = area->x + area->width - client->frame->area.width;
324 b = area->y + area->height - client->frame->area.height;
325
326 *x = px - client->area.width / 2 - client->frame->size.left;
327 *x = MIN(MAX(*x, l), r);
328 *y = py - client->area.height / 2 - client->frame->size.top;
329 *y = MIN(MAX(*y, t), b);
330
331 return TRUE;
332 }
333
334 static gboolean place_transient(ObClient *client, gint *x, gint *y)
335 {
336 if (client->transient_for) {
337 if (client->transient_for != OB_TRAN_GROUP) {
338 ObClient *c = client;
339 ObClient *p = client->transient_for;
340 *x = (p->frame->area.width - c->frame->area.width) / 2 +
341 p->frame->area.x;
342 *y = (p->frame->area.height - c->frame->area.height) / 2 +
343 p->frame->area.y;
344 return TRUE;
345 } else {
346 GSList *it;
347 gboolean first = TRUE;
348 gint l, r, t, b;
349 for (it = client->group->members; it; it = g_slist_next(it)) {
350 ObClient *m = it->data;
351 if (!(m == client || m->transient_for)) {
352 if (first) {
353 l = RECT_LEFT(m->frame->area);
354 t = RECT_TOP(m->frame->area);
355 r = RECT_RIGHT(m->frame->area);
356 b = RECT_BOTTOM(m->frame->area);
357 first = FALSE;
358 } else {
359 l = MIN(l, RECT_LEFT(m->frame->area));
360 t = MIN(t, RECT_TOP(m->frame->area));
361 r = MAX(r, RECT_RIGHT(m->frame->area));
362 b = MAX(b, RECT_BOTTOM(m->frame->area));
363 }
364 }
365 }
366 if (!first) {
367 *x = ((r + 1 - l) - client->frame->area.width) / 2 + l;
368 *y = ((b + 1 - t) - client->frame->area.height) / 2 + t;
369 return TRUE;
370 }
371 }
372 }
373 return FALSE;
374 }
375
376 void place_client(ObClient *client, gint *x, gint *y)
377 {
378 if (client->positioned)
379 return;
380 if (place_transient(client, x, y) ||
381 ((config_place_policy == OB_PLACE_POLICY_MOUSE) ?
382 place_under_mouse(client, x, y) :
383 place_smart(client, x, y, SMART_FULL) ||
384 place_smart(client, x, y, SMART_GROUP) ||
385 place_smart(client, x, y, SMART_FOCUSED) ||
386 place_random(client, x, y)))
387 {
388 /* get where the client should be */
389 frame_frame_gravity(client->frame, x, y);
390 } else
391 g_assert_not_reached(); /* the last one better succeed */
392 }
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