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)
46 return screen_area(c->desktop, screen_monitor_pointer(), NULL);
49 /*! Pick a monitor to place a window on. */
50 static Rect **pick_head(ObClient *c)
58 area = g_new(Rect*, screen_num_monitors);
59 choice = g_new(guint, screen_num_monitors);
60 for (i = 0; i < screen_num_monitors; ++i)
61 choice[i] = screen_num_monitors; /* make them all invalid to start */
63 /* try direct parent first */
64 if ((p = client_direct_parent(c))) {
65 add_choice(choice, client_monitor(p));
66 ob_debug("placement adding choice %d for parent",
70 /* more than one window in its group (more than just this window) */
71 if (client_has_group_siblings(c)) {
74 /* try on the client's desktop */
75 for (it = c->group->members; it; it = g_slist_next(it)) {
76 ObClient *itc = it->data;
78 (itc->desktop == c->desktop ||
79 itc->desktop == DESKTOP_ALL || c->desktop == DESKTOP_ALL))
81 add_choice(choice, client_monitor(it->data));
82 ob_debug("placement adding choice %d for group sibling",
83 client_monitor(it->data));
87 /* try on all desktops */
88 for (it = c->group->members; it; it = g_slist_next(it)) {
89 ObClient *itc = it->data;
91 add_choice(choice, client_monitor(it->data));
92 ob_debug("placement adding choice %d for group sibling on "
93 "another desktop", client_monitor(it->data));
98 /* skip this if placing by the mouse position */
99 if (focus_client && client_normal(focus_client) &&
100 config_place_monitor != OB_PLACE_MONITOR_MOUSE)
102 add_choice(choice, client_monitor(focus_client));
103 ob_debug("placement adding choice %d for normal focused window",
104 client_monitor(focus_client));
107 screen_pointer_pos(&px, &py);
109 for (i = 0; i < screen_num_monitors; i++) {
110 const Rect *monitor = screen_physical_area_monitor(i);
111 gboolean contain = RECT_CONTAINS(*monitor, px, py);
113 add_choice(choice, i);
114 ob_debug("placement adding choice %d for mouse pointer", i);
119 /* add any leftover choices */
120 for (i = 0; i < screen_num_monitors; ++i)
121 add_choice(choice, i);
123 for (i = 0; i < screen_num_monitors; ++i)
124 area[i] = screen_area(c->desktop, choice[i], NULL);
131 static gboolean place_random(ObClient *client, gint *x, gint *y,
134 gint l, r, t, b, fw, fh;
138 areas = pick_head(client);
139 i = (config_place_monitor != OB_PLACE_MONITOR_ANY) ?
140 0 : g_random_int_range(0, screen_num_monitors);
142 fw = w + client->frame->size.left + client->frame->size.right;
143 fh = h + client->frame->size.top + client->frame->size.bottom;
147 r = areas[i]->x + areas[i]->width - fw;
148 b = areas[i]->y + areas[i]->height - fh;
150 if (r > l) *x = g_random_int_range(l, r + 1);
151 else *x = areas[i]->x;
152 if (b > t) *y = g_random_int_range(t, b + 1);
153 else *y = areas[i]->y;
155 for (i = 0; i < screen_num_monitors; ++i)
156 g_slice_free(Rect, areas[i]);
162 static GSList* area_add(GSList *list, Rect *a)
164 Rect *r = g_slice_new(Rect);
166 return g_slist_prepend(list, r);
169 static GSList* area_remove(GSList *list, Rect *a)
172 GSList *result = NULL;
174 for (sit = list; sit; sit = g_slist_next(sit)) {
177 if (!RECT_INTERSECTS_RECT(*r, *a)) {
178 result = g_slist_prepend(result, r);
179 /* dont free r, it's moved to the result list */
183 /* Use an intersection of a and r to determine the space
184 around r that we can use.
186 NOTE: the spaces calculated can overlap.
189 RECT_SET_INTERSECTION(isect, *r, *a);
191 if (RECT_LEFT(isect) > RECT_LEFT(*r)) {
192 RECT_SET(extra, r->x, r->y,
193 RECT_LEFT(isect) - r->x, r->height);
194 result = area_add(result, &extra);
197 if (RECT_TOP(isect) > RECT_TOP(*r)) {
198 RECT_SET(extra, r->x, r->y,
199 r->width, RECT_TOP(isect) - r->y + 1);
200 result = area_add(result, &extra);
203 if (RECT_RIGHT(isect) < RECT_RIGHT(*r)) {
204 RECT_SET(extra, RECT_RIGHT(isect) + 1, r->y,
205 RECT_RIGHT(*r) - RECT_RIGHT(isect), r->height);
206 result = area_add(result, &extra);
209 if (RECT_BOTTOM(isect) < RECT_BOTTOM(*r)) {
210 RECT_SET(extra, r->x, RECT_BOTTOM(isect) + 1,
211 r->width, RECT_BOTTOM(*r) - RECT_BOTTOM(isect));
212 result = area_add(result, &extra);
215 /* 'r' is not being added to the result list, so free it */
216 g_slice_free(Rect, r);
224 IGNORE_FULLSCREEN = 1,
225 IGNORE_MAXIMIZED = 2,
227 /*IGNORE_SHADED = 3,*/
230 /*IGNORE_NONFOCUS = 1 << 5,*/
235 static gboolean place_nooverlap(ObClient *c, gint *x, gint *y, gint w, gint h)
241 GSList *spaces = NULL, *sit, *maxit;
244 areas = pick_head(c);
249 /* try ignoring different things to find empty space */
250 for (ignore = 0; ignore < IGNORE_END && !ret; ignore++) {
251 /* try all monitors in order of preference, but only the first one
252 if config_place_monitor is MOUSE or ACTIVE */
253 for (i = 0; (i < (config_place_monitor != OB_PLACE_MONITOR_ANY ?
254 1 : screen_num_monitors) && !ret); ++i)
258 /* add the whole monitor */
259 spaces = area_add(spaces, areas[i]);
261 /* go thru all the windows */
262 for (it = client_list; it; it = g_list_next(it)) {
263 ObClient *test = it->data;
265 /* should we ignore this client? */
266 if (screen_showing_desktop) continue;
267 if (c == test) continue;
268 if (test->iconic) continue;
269 if (c->desktop != DESKTOP_ALL) {
270 if (test->desktop != c->desktop &&
271 test->desktop != DESKTOP_ALL) continue;
273 if (test->desktop != screen_desktop &&
274 test->desktop != DESKTOP_ALL) continue;
276 if (test->type == OB_CLIENT_TYPE_SPLASH ||
277 test->type == OB_CLIENT_TYPE_DESKTOP) continue;
280 if ((ignore >= IGNORE_FULLSCREEN) &&
281 test->fullscreen) continue;
282 if ((ignore >= IGNORE_MAXIMIZED) &&
283 test->max_horz && test->max_vert) continue;
284 if ((ignore >= IGNORE_MENUTOOL) &&
285 (test->type == OB_CLIENT_TYPE_MENU ||
286 test->type == OB_CLIENT_TYPE_TOOLBAR) &&
287 client_has_parent(c)) continue;
289 if ((ignore >= IGNORE_SHADED) &&
290 test->shaded) continue;
292 if ((ignore >= IGNORE_NONGROUP) &&
293 client_has_group_siblings(c) &&
294 test->group != c->group) continue;
295 if ((ignore >= IGNORE_BELOW) &&
296 test->layer < c->layer) continue;
298 if ((ignore >= IGNORE_NONFOCUS) &&
299 focus_client != test) continue;
301 /* don't ignore this window, so remove it from the available
303 spaces = area_remove(spaces, &test->frame->area);
306 if (ignore < IGNORE_DOCK) {
309 spaces = area_remove(spaces, &a);
312 for (sit = spaces; sit; sit = g_slist_next(sit)) {
315 const gint fw = w + c->frame->size.left + c->frame->size.right;
316 const gint fh = h + c->frame->size.top + c->frame->size.bottom;
318 if (r->width >= fw && r->height >= fh &&
319 r->width * r->height > maxsize)
321 maxsize = r->width * r->height;
327 Rect *r = maxit->data;
329 const gint fw = w + c->frame->size.left + c->frame->size.right;
330 const gint fh = h + c->frame->size.top + c->frame->size.bottom;
332 /* center it in the area */
335 if (config_place_center) {
336 *x += (r->width - fw) / 2;
337 *y += (r->height - fh) / 2;
343 g_slice_free(Rect, spaces->data);
344 spaces = g_slist_delete_link(spaces, spaces);
349 for (i = 0; i < screen_num_monitors; ++i)
350 g_slice_free(Rect, areas[i]);
355 static gboolean place_under_mouse(ObClient *client, gint *x, gint *y,
362 const gint fw = w + client->frame->size.left + client->frame->size.right;
363 const gint fh = h + client->frame->size.top + client->frame->size.bottom;
365 if (!screen_pointer_pos(&px, &py))
367 area = pick_pointer_head(client);
371 r = area->x + area->width - fw;
372 b = area->y + area->height - fh;
374 *x = px - client->area.width / 2 - client->frame->size.left;
375 *x = MIN(MAX(*x, l), r);
376 *y = py - client->area.height / 2 - client->frame->size.top;
377 *y = MIN(MAX(*y, t), b);
379 g_slice_free(Rect, area);
384 static gboolean place_per_app_setting(ObClient *client, gint *x, gint *y,
385 gint w, gint h, ObAppSettings *settings)
389 const gint fw = w + client->frame->size.left + client->frame->size.right;
390 const gint fh = h + client->frame->size.top + client->frame->size.bottom;
392 if (!settings || (settings && !settings->pos_given))
395 /* Find which head the pointer is on */
396 if (settings->monitor == 0)
397 /* this can return NULL */
398 screen = pick_pointer_head(client);
399 else if (settings->monitor > 0 &&
400 (guint)settings->monitor <= screen_num_monitors)
401 screen = screen_area(client->desktop, (guint)settings->monitor - 1,
404 /* if we have't found a screen yet.. */
409 areas = pick_head(client);
412 /* don't free the first one, it's being set as "screen" */
413 for (i = 1; i < screen_num_monitors; ++i)
414 g_slice_free(Rect, areas[i]);
418 if (settings->position.x.center)
419 *x = screen->x + screen->width / 2 - client->area.width / 2;
420 else if (settings->position.x.opposite)
421 *x = screen->x + screen->width - fw - settings->position.x.pos;
423 *x = screen->x + settings->position.x.pos;
424 if (settings->position.x.denom)
425 *x = (*x * screen->width) / settings->position.x.denom;
427 if (settings->position.y.center)
428 *y = screen->y + screen->height / 2 - client->area.height / 2;
429 else if (settings->position.y.opposite)
430 *y = screen->y + screen->height - fh - settings->position.y.pos;
432 *y = screen->y + settings->position.y.pos;
433 if (settings->position.y.denom)
434 *y = (*y * screen->height) / settings->position.y.denom;
436 g_slice_free(Rect, screen);
440 static gboolean place_transient_splash(ObClient *client, gint *x, gint *y,
443 if (client->type == OB_CLIENT_TYPE_DIALOG) {
445 gboolean first = TRUE;
447 for (it = client->parents; it; it = g_slist_next(it)) {
448 ObClient *m = it->data;
451 l = RECT_LEFT(m->frame->area);
452 t = RECT_TOP(m->frame->area);
453 r = RECT_RIGHT(m->frame->area);
454 b = RECT_BOTTOM(m->frame->area);
457 l = MIN(l, RECT_LEFT(m->frame->area));
458 t = MIN(t, RECT_TOP(m->frame->area));
459 r = MAX(r, RECT_RIGHT(m->frame->area));
460 b = MAX(b, RECT_BOTTOM(m->frame->area));
464 const gint fw = w + client->frame->size.left +
465 client->frame->size.right;
466 const gint fh = h + client->frame->size.top +
467 client->frame->size.bottom;
468 *x = ((r + 1 - l) - fw) / 2 + l;
469 *y = ((b + 1 - t) - fh) / 2 + t;
475 if (client->type == OB_CLIENT_TYPE_DIALOG ||
476 client->type == OB_CLIENT_TYPE_SPLASH)
481 const gint fw = w + client->frame->size.left +
482 client->frame->size.right;
483 const gint fh = h + client->frame->size.top +
484 client->frame->size.bottom;
486 areas = pick_head(client);
488 *x = (areas[0]->width - fw) / 2 + areas[0]->x;
489 *y = (areas[0]->height - fh) / 2 + areas[0]->y;
491 for (i = 0; i < screen_num_monitors; ++i)
492 g_slice_free(Rect, areas[i]);
500 /*! Return TRUE if openbox chose the position for the window, and FALSE if
501 the application chose it */
502 gboolean place_client(ObClient *client, gint *x, gint *y, gint w, gint h,
503 ObAppSettings *settings)
507 /* per-app settings override program specified position
508 * but not user specified, unless pos_force is enabled */
509 if (((client->positioned & USPosition) &&
510 !(settings && settings->pos_given && settings->pos_force)) ||
511 ((client->positioned & PPosition) &&
512 !(settings && settings->pos_given)))
515 /* try a number of methods */
516 ret = place_per_app_setting(client, x, y, w, h, settings) ||
517 place_transient_splash(client, x, y, w, h) ||
518 (config_place_policy == OB_PLACE_POLICY_MOUSE &&
519 place_under_mouse(client, x, y, w, h)) ||
520 place_nooverlap(client, x, y, w, h) ||
521 place_random(client, x, y, w, h);
524 /* get where the client should be */
525 frame_frame_gravity(client->frame, x, y);