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.
31 static void add_choice(guint *choice, guint mychoice)
34 for (i = 0; i < screen_num_monitors; ++i) {
35 if (choice[i] == mychoice)
37 else if (choice[i] == screen_num_monitors) {
44 static Rect *pick_pointer_head(ObClient *c)
49 if (screen_pointer_pos(&px, &py)) {
50 for (i = 0; i < screen_num_monitors; ++i) {
51 Rect *monitor = screen_physical_area_monitor(i);
52 gboolean contain = RECT_CONTAINS(*monitor, px, py);
55 return screen_area(c->desktop, i, NULL);
57 g_assert_not_reached();
62 /*! Pick a monitor to place a window on. */
63 static Rect **pick_head(ObClient *c)
71 area = g_new(Rect*, screen_num_monitors);
72 choice = g_new(guint, screen_num_monitors);
73 for (i = 0; i < screen_num_monitors; ++i)
74 choice[i] = screen_num_monitors; /* make them all invalid to start */
76 /* try direct parent first */
77 if ((p = client_direct_parent(c))) {
78 add_choice(choice, client_monitor(p));
79 ob_debug("placement adding choice %d for parent\n",
83 /* more than one window in its group (more than just this window) */
84 if (client_has_group_siblings(c)) {
87 /* try on the client's desktop */
88 for (it = c->group->members; it; it = g_slist_next(it)) {
89 ObClient *itc = it->data;
91 (itc->desktop == c->desktop ||
92 itc->desktop == DESKTOP_ALL || c->desktop == DESKTOP_ALL))
94 add_choice(choice, client_monitor(it->data));
95 ob_debug("placement adding choice %d for group sibling\n",
96 client_monitor(it->data));
100 /* try on all desktops */
101 for (it = c->group->members; it; it = g_slist_next(it)) {
102 ObClient *itc = it->data;
104 add_choice(choice, client_monitor(it->data));
105 ob_debug("placement adding choice %d for group sibling on "
106 "another desktop\n", client_monitor(it->data));
111 /* skip this if placing by the mouse position */
112 if (focus_client && client_normal(focus_client) &&
113 config_place_monitor != OB_PLACE_MONITOR_MOUSE)
115 add_choice(choice, client_monitor(focus_client));
116 ob_debug("placement adding choice %d for normal focused window\n",
117 client_monitor(focus_client));
120 screen_pointer_pos(&px, &py);
122 for (i = 0; i < screen_num_monitors; i++) {
123 Rect *monitor = screen_physical_area_monitor(i);
124 gboolean contain = RECT_CONTAINS(*monitor, px, py);
127 add_choice(choice, i);
128 ob_debug("placement adding choice %d for mouse pointer\n", i);
133 /* add any leftover choices */
134 for (i = 0; i < screen_num_monitors; ++i)
135 add_choice(choice, i);
137 for (i = 0; i < screen_num_monitors; ++i)
138 area[i] = screen_area(c->desktop, choice[i], NULL);
145 static gboolean place_random(ObClient *client, gint *x, gint *y)
151 areas = pick_head(client);
152 i = (config_place_monitor != OB_PLACE_MONITOR_ANY) ?
153 0 : g_random_int_range(0, screen_num_monitors);
157 r = areas[i]->x + areas[i]->width - client->frame->area.width;
158 b = areas[i]->y + areas[i]->height - client->frame->area.height;
160 if (r > l) *x = g_random_int_range(l, r + 1);
161 else *x = areas[i]->x;
162 if (b > t) *y = g_random_int_range(t, b + 1);
163 else *y = areas[i]->y;
165 for (i = 0; i < screen_num_monitors; ++i)
172 static GSList* area_add(GSList *list, Rect *a)
174 Rect *r = g_new(Rect, 1);
176 return g_slist_prepend(list, r);
179 static GSList* area_remove(GSList *list, Rect *a)
182 GSList *result = NULL;
184 for (sit = list; sit; sit = g_slist_next(sit)) {
187 if (!RECT_INTERSECTS_RECT(*r, *a)) {
188 result = g_slist_prepend(result, r);
189 /* dont free r, it's moved to the result list */
193 /* Use an intersection of a and r to determine the space
194 around r that we can use.
196 NOTE: the spaces calculated can overlap.
199 RECT_SET_INTERSECTION(isect, *r, *a);
201 if (RECT_LEFT(isect) > RECT_LEFT(*r)) {
202 RECT_SET(extra, r->x, r->y,
203 RECT_LEFT(isect) - r->x, r->height);
204 result = area_add(result, &extra);
207 if (RECT_TOP(isect) > RECT_TOP(*r)) {
208 RECT_SET(extra, r->x, r->y,
209 r->width, RECT_TOP(isect) - r->y + 1);
210 result = area_add(result, &extra);
213 if (RECT_RIGHT(isect) < RECT_RIGHT(*r)) {
214 RECT_SET(extra, RECT_RIGHT(isect) + 1, r->y,
215 RECT_RIGHT(*r) - RECT_RIGHT(isect), r->height);
216 result = area_add(result, &extra);
219 if (RECT_BOTTOM(isect) < RECT_BOTTOM(*r)) {
220 RECT_SET(extra, r->x, RECT_BOTTOM(isect) + 1,
221 r->width, RECT_BOTTOM(*r) - RECT_BOTTOM(isect));
222 result = area_add(result, &extra);
225 /* 'r' is not being added to the result list, so free it */
234 IGNORE_FULLSCREEN = 1,
235 IGNORE_MAXIMIZED = 2,
237 /*IGNORE_SHADED = 3,*/
240 /*IGNORE_NONFOCUS = 1 << 5,*/
245 static gboolean place_nooverlap(ObClient *c, gint *x, gint *y)
251 GSList *spaces = NULL, *sit, *maxit;
254 areas = pick_head(c);
259 /* try ignoring different things to find empty space */
260 for (ignore = 0; ignore < IGNORE_END && !ret; ignore++) {
261 /* try all monitors in order of preference, but only the first one
262 if config_place_monitor is MOUSE or ACTIVE */
263 for (i = 0; (i < (config_place_monitor != OB_PLACE_MONITOR_ANY ?
264 1 : screen_num_monitors) && !ret); ++i)
268 /* add the whole monitor */
269 spaces = area_add(spaces, areas[i]);
271 /* go thru all the windows */
272 for (it = client_list; it; it = g_list_next(it)) {
273 ObClient *test = it->data;
275 /* should we ignore this client? */
276 if (screen_showing_desktop) continue;
277 if (c == test) continue;
278 if (test->iconic) continue;
279 if (c->desktop != DESKTOP_ALL) {
280 if (test->desktop != c->desktop &&
281 test->desktop != DESKTOP_ALL) continue;
283 if (test->desktop != screen_desktop &&
284 test->desktop != DESKTOP_ALL) continue;
286 if (test->type == OB_CLIENT_TYPE_SPLASH ||
287 test->type == OB_CLIENT_TYPE_DESKTOP) continue;
290 if ((ignore >= IGNORE_FULLSCREEN) &&
291 test->fullscreen) continue;
292 if ((ignore >= IGNORE_MAXIMIZED) &&
293 test->max_horz && test->max_vert) continue;
294 if ((ignore >= IGNORE_MENUTOOL) &&
295 (test->type == OB_CLIENT_TYPE_MENU ||
296 test->type == OB_CLIENT_TYPE_TOOLBAR) &&
297 client_has_parent(c)) continue;
299 if ((ignore >= IGNORE_SHADED) &&
300 test->shaded) continue;
302 if ((ignore >= IGNORE_NONGROUP) &&
303 client_has_group_siblings(c) &&
304 test->group != c->group) continue;
305 if ((ignore >= IGNORE_BELOW) &&
306 test->layer < c->layer) continue;
308 if ((ignore >= IGNORE_NONFOCUS) &&
309 focus_client != test) continue;
311 /* don't ignore this window, so remove it from the available
313 spaces = area_remove(spaces, &test->frame->area);
316 if (ignore < IGNORE_DOCK) {
319 spaces = area_remove(spaces, &a);
322 for (sit = spaces; sit; sit = g_slist_next(sit)) {
325 if (r->width >= c->frame->area.width &&
326 r->height >= c->frame->area.height &&
327 r->width * r->height > maxsize)
329 maxsize = r->width * r->height;
335 Rect *r = maxit->data;
337 /* center it in the area */
340 if (config_place_center) {
341 *x += (r->width - c->frame->area.width) / 2;
342 *y += (r->height - c->frame->area.height) / 2;
348 g_free(spaces->data);
349 spaces = g_slist_delete_link(spaces, spaces);
354 for (i = 0; i < screen_num_monitors; ++i)
360 static gboolean place_under_mouse(ObClient *client, gint *x, gint *y)
366 if (!screen_pointer_pos(&px, &py))
368 area = pick_pointer_head(client);
372 r = area->x + area->width - client->frame->area.width;
373 b = area->y + area->height - client->frame->area.height;
375 *x = px - client->area.width / 2 - client->frame->size.left;
376 *x = MIN(MAX(*x, l), r);
377 *y = py - client->area.height / 2 - client->frame->size.top;
378 *y = MIN(MAX(*y, t), b);
383 static gboolean place_per_app_setting(ObClient *client, gint *x, gint *y,
384 ObAppSettings *settings)
388 if (!settings || (settings && !settings->pos_given))
391 /* Find which head the pointer is on */
392 if (settings->monitor == 0)
393 /* this can return NULL */
394 screen = pick_pointer_head(client);
395 else if (settings->monitor > 0 &&
396 (guint)settings->monitor <= screen_num_monitors)
397 screen = screen_area(client->desktop, (guint)settings->monitor - 1,
400 /* if we have't found a screen yet.. */
405 areas = pick_head(client);
408 /* don't free the first one, it's being set as "screen" */
409 for (i = 1; i < screen_num_monitors; ++i)
414 if (settings->position.x.center)
415 *x = screen->x + screen->width / 2 - client->area.width / 2;
416 else if (settings->position.x.opposite)
417 *x = screen->x + screen->width - client->frame->area.width -
418 settings->position.x.pos;
420 *x = screen->x + settings->position.x.pos;
422 if (settings->position.y.center)
423 *y = screen->y + screen->height / 2 - client->area.height / 2;
424 else if (settings->position.y.opposite)
425 *y = screen->y + screen->height - client->frame->area.height -
426 settings->position.y.pos;
428 *y = screen->y + settings->position.y.pos;
434 static gboolean place_transient_splash(ObClient *client, gint *x, gint *y)
436 if (client->type == OB_CLIENT_TYPE_DIALOG) {
438 gboolean first = TRUE;
440 for (it = client->parents; it; it = g_slist_next(it)) {
441 ObClient *m = it->data;
444 l = RECT_LEFT(m->frame->area);
445 t = RECT_TOP(m->frame->area);
446 r = RECT_RIGHT(m->frame->area);
447 b = RECT_BOTTOM(m->frame->area);
450 l = MIN(l, RECT_LEFT(m->frame->area));
451 t = MIN(t, RECT_TOP(m->frame->area));
452 r = MAX(r, RECT_RIGHT(m->frame->area));
453 b = MAX(b, RECT_BOTTOM(m->frame->area));
457 *x = ((r + 1 - l) - client->frame->area.width) / 2 + l;
458 *y = ((b + 1 - t) - client->frame->area.height) / 2 + t;
464 if (client->type == OB_CLIENT_TYPE_DIALOG ||
465 client->type == OB_CLIENT_TYPE_SPLASH)
470 areas = pick_head(client);
472 *x = (areas[0]->width - client->frame->area.width) / 2 + areas[0]->x;
473 *y = (areas[0]->height - client->frame->area.height) / 2 + areas[0]->y;
475 for (i = 0; i < screen_num_monitors; ++i)
484 /* Return TRUE if we want client.c to enforce on-screen-keeping */
485 gboolean place_client(ObClient *client, gint *x, gint *y,
486 ObAppSettings *settings)
489 gboolean userplaced = FALSE;
491 /* per-app settings override program specified position
492 * but not user specified, unless pos_force is enabled */
493 if (((client->positioned & USPosition) &&
494 !(settings && settings->pos_given && settings->pos_force)) ||
495 ((client->positioned & PPosition) &&
496 !(settings && settings->pos_given)))
499 /* try a number of methods */
500 ret = place_transient_splash(client, x, y) ||
501 (userplaced = place_per_app_setting(client, x, y, settings)) ||
502 (config_place_policy == OB_PLACE_POLICY_MOUSE &&
503 place_under_mouse(client, x, y)) ||
504 place_nooverlap(client, x, y) ||
505 place_random(client, x, y);
508 /* get where the client should be */
509 frame_frame_gravity(client->frame, x, y);