+/* -*- indent-tabs-mode: nil; tab-width: 4; c-basic-offset: 4; -*-
+
+ stacking.c for the Openbox window manager
+ Copyright (c) 2003 Ben Jansens
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ See the COPYING file for a copy of the GNU General Public License.
+*/
+
#include "openbox.h"
#include "prop.h"
+#include "screen.h"
#include "focus.h"
#include "client.h"
#include "group.h"
#include "frame.h"
-#include <glib.h>
+#include "window.h"
GList *stacking_list = NULL;
void stacking_set_list()
{
- Window *windows, *win_it;
+ Window *windows = NULL;
GList *it;
- guint size = g_list_length(stacking_list);
+ guint i = 0;
/* on shutdown, don't update the properties, so that we can read it back
in on startup and re-stack the windows as they were before we shut down
*/
- if (ob_state == State_Exiting) return;
+ if (ob_state() == OB_STATE_EXITING) return;
/* create an array of the window ids (from bottom to top,
reverse order!) */
- if (size > 0) {
- windows = g_new(Window, size);
- win_it = windows;
- for (it = g_list_last(stacking_list); it != NULL;
- it = it->prev, ++win_it)
- *win_it = ((Client*)it->data)->window;
- } else
- windows = NULL;
-
- PROP_SET32A(ob_root, net_client_list_stacking, window, windows, size);
-
- if (windows)
- g_free(windows);
+ if (stacking_list) {
+ windows = g_new(Window, g_list_length(stacking_list));
+ for (it = g_list_last(stacking_list); it; it = g_list_previous(it)) {
+ if (WINDOW_IS_CLIENT(it->data))
+ windows[i++] = WINDOW_AS_CLIENT(it->data)->window;
+ }
+ }
+
+ PROP_SETA32(RootWindow(ob_display, ob_screen),
+ net_client_list_stacking, window, (gulong*)windows, i);
+
+ g_free(windows);
}
-void stacking_raise(Client *client)
+static void do_restack(GList *wins, GList *before)
{
- Window wins[2]; /* only ever restack 2 windows. */
- GList *it;
- Client *m;
-
- g_assert(stacking_list != NULL); /* this would be bad */
-
- m = client_find_modal_child(client);
- /* if we have a modal child, raise it instead, we'll go along tho later */
- if (m) stacking_raise(m);
-
- /* remove the client before looking so we can't run into ourselves */
- stacking_list = g_list_remove(stacking_list, client);
-
- /* the stacking list is from highest to lowest */
- it = stacking_list;
- while (it != NULL) {
- Client *c = it->data;
- if (client->layer >= c->layer && m != c)
- break;
- it = it->next;
+ GList *it, *next;
+ Window *win;
+ gint i;
+
+#ifdef DEBUG
+ /* pls only restack stuff in the same layer at a time */
+ for (it = wins; it; it = next) {
+ next = g_list_next(it);
+ if (!next) break;
+ g_assert (window_layer(it->data) == window_layer(next->data));
}
+ if (before)
+ g_assert(window_layer(it->data) >= window_layer(before->data));
+#endif
- /*
- if our new position is the top, we want to stack under the focus_backup.
- otherwise, we want to stack under the previous window in the stack.
- */
- if (it == stacking_list)
- wins[0] = focus_backup;
- else if (it != NULL)
- wins[0] = ((Client*)it->prev->data)->frame->window;
+ win = g_new(Window, g_list_length(wins) + 1);
+
+ if (before == stacking_list)
+ win[0] = screen_support_win;
+ else if (!before)
+ win[0] = window_top(g_list_last(stacking_list)->data);
else
- wins[0] = ((Client*)g_list_last(stacking_list)->data)->frame->window;
- wins[1] = client->frame->window;
+ win[0] = window_top(g_list_previous(before)->data);
+
+ for (i = 1, it = wins; it; ++i, it = g_list_next(it)) {
+ win[i] = window_top(it->data);
+ g_assert(win[i] != None); /* better not call stacking shit before
+ setting your top level window value */
+ stacking_list = g_list_insert_before(stacking_list, before, it->data);
+ }
- stacking_list = g_list_insert_before(stacking_list, it, client);
+#ifdef DEBUG
+ /* some debug checking of the stacking list's order */
+ for (it = stacking_list; ; it = next) {
+ next = g_list_next(it);
+ if (!next) break;
+ g_assert(window_layer(it->data) >= window_layer(next->data));
+ }
+#endif
- XRestackWindows(ob_display, wins, 2);
+ XRestackWindows(ob_display, win, i);
+ g_free(win);
stacking_set_list();
}
-void stacking_lower(Client *client)
+static void do_raise(GList *wins)
{
- Window wins[2]; /* only ever restack 2 windows. */
GList *it;
+ GList *layer[OB_NUM_STACKING_LAYERS] = {NULL};
+ gint i;
- g_assert(stacking_list != NULL); /* this would be bad */
+ for (it = wins; it; it = g_list_next(it)) {
+ ObStackingLayer l;
- if (client->modal && client->transient_for) {
- if (client->transient_for == TRAN_GROUP) {
- /* don't let a modal of the group lower below any other windows
- in the group */
- for (it = stacking_list; it; it = it->next) {
- GSList *sit;
- Client *c = it->data;
+ l = window_layer(it->data);
+ layer[l] = g_list_append(layer[l], it->data);
+ }
- for (sit = c->group->members; sit; sit = sit->next)
- if (sit->data == it->data) break;
- if (sit) break; /* got it */
+ it = stacking_list;
+ for (i = OB_NUM_STACKING_LAYERS - 1; i >= 0; --i) {
+ if (layer[i]) {
+ for (; it; it = g_list_next(it)) {
+ /* look for the top of the layer */
+ if (window_layer(it->data) <= (ObStackingLayer) i)
+ break;
}
- if (it == NULL)
- goto lower_no_parent;
- } else {
- /* don't let a modal window lower below its transient_for */
- it = g_list_find(stacking_list, client->transient_for);
+ do_restack(layer[i], it);
+ g_list_free(layer[i]);
}
- g_assert(it != NULL);
+ }
+}
- wins[0] = (it == stacking_list ? focus_backup :
- ((Client*)it->prev->data)->frame->window);
- wins[1] = client->frame->window;
- if (wins[0] == wins[1]) return; /* already right above the window */
+static void do_lower(GList *wins)
+{
+ GList *it;
+ GList *layer[OB_NUM_STACKING_LAYERS] = {NULL};
+ gint i;
- stacking_list = g_list_remove(stacking_list, client);
- stacking_list = g_list_insert_before(stacking_list, it, client);
- } else {
- lower_no_parent:
+ for (it = wins; it; it = g_list_next(it)) {
+ ObStackingLayer l;
+
+ l = window_layer(it->data);
+ layer[l] = g_list_append(layer[l], it->data);
+ }
+
+ it = stacking_list;
+ for (i = OB_NUM_STACKING_LAYERS - 1; i >= 0; --i) {
+ if (layer[i]) {
+ for (; it; it = g_list_next(it)) {
+ /* look for the top of the next layer down */
+ if (window_layer(it->data) < (ObStackingLayer) i)
+ break;
+ }
+ do_restack(layer[i], it);
+ g_list_free(layer[i]);
+ }
+ }
+}
- it = g_list_last(stacking_list);
+static GList *pick_windows(ObClient *top, ObClient *selected, gboolean raise)
+{
+ GList *ret = NULL;
+ GList *it, *next, *prev;
+ GSList *sit;
+ gint i, n;
+ GList *modals = NULL;
+ GList *trans = NULL;
+ GList *modal_sel = NULL; /* the selected guys if modal */
+ GList *trans_sel = NULL; /* the selected guys if not */
+
+ /* remove first so we can't run into ourself */
+ if ((it = g_list_find(stacking_list, top)))
+ stacking_list = g_list_delete_link(stacking_list, it);
+ else
+ return NULL;
- while (it != stacking_list) {
- Client *c = it->data;
- if (client->layer <= c->layer)
- break;
- it = it->prev;
- }
- if (it->data == client) return; /* already the bottom, return */
+ i = 0;
+ n = g_slist_length(top->transients);
+ for (it = stacking_list; i < n && it; it = next) {
+ prev = g_list_previous(it);
+ next = g_list_next(it);
- wins[0] = ((Client*)it->data)->frame->window;
- wins[1] = client->frame->window;
+ if ((sit = g_slist_find(top->transients, it->data))) {
+ ObClient *c = sit->data;
+ gboolean sel_child;
- stacking_list = g_list_remove(stacking_list, client);
- stacking_list = g_list_insert_before(stacking_list,
- it->next, client);
+ ++i;
+
+ if (c == selected)
+ sel_child = TRUE;
+ else
+ sel_child = client_search_transient(c, selected) != NULL;
+
+ if (!c->modal) {
+ if (!sel_child) {
+ trans = g_list_concat(trans,
+ pick_windows(c, selected, raise));
+ } else {
+ trans_sel = g_list_concat(trans_sel,
+ pick_windows(c, selected,
+ raise));
+ }
+ } else {
+ if (!sel_child) {
+ modals = g_list_concat(modals,
+ pick_windows(c, selected, raise));
+ } else {
+ modal_sel = g_list_concat(modal_sel,
+ pick_windows(c, selected,
+ raise));
+ }
+ }
+ /* if we dont have a prev then start back at the beginning,
+ otherwise skip back to the prev's next */
+ next = prev ? g_list_next(prev) : stacking_list;
+ }
}
- XRestackWindows(ob_display, wins, 2);
- stacking_set_list();
+ ret = g_list_concat((raise ? modal_sel : modals),
+ (raise ? modals : modal_sel));
+
+ ret = g_list_concat(ret, (raise ? trans_sel : trans));
+ ret = g_list_concat(ret, (raise ? trans : trans_sel));
+
+
+ /* add itself */
+ ret = g_list_append(ret, top);
+
+ return ret;
+}
+
+static GList *pick_group_windows(ObClient *top, ObClient *selected,
+ gboolean raise, gboolean normal)
+{
+ GList *ret = NULL;
+ GList *it, *next, *prev;
+ GSList *sit;
+ gint i, n;
+
+ /* add group members in their stacking order */
+ if (top->group) {
+ i = 0;
+ n = g_slist_length(top->group->members) - 1;
+ for (it = stacking_list; i < n && it; it = next) {
+ prev = g_list_previous(it);
+ next = g_list_next(it);
+
+ if ((sit = g_slist_find(top->group->members, it->data))) {
+ ObClient *c;
+ ObClientType t;
+
+ ++i;
+ c = it->data;
+ t = c->type;
+
+ if ((c->desktop == selected->desktop ||
+ c->desktop == DESKTOP_ALL) &&
+ (t == OB_CLIENT_TYPE_TOOLBAR ||
+ t == OB_CLIENT_TYPE_MENU ||
+ t == OB_CLIENT_TYPE_UTILITY ||
+ (normal && t == OB_CLIENT_TYPE_NORMAL)))
+ {
+ ret = g_list_concat(ret,
+ pick_windows(sit->data,
+ selected, raise));
+ /* if we dont have a prev then start back at the beginning,
+ otherwise skip back to the prev's next */
+ next = prev ? g_list_next(prev) : stacking_list;
+ }
+ }
+ }
+ }
+ return ret;
+}
+
+void stacking_raise(ObWindow *window, gboolean group)
+{
+ GList *wins;
+
+ if (WINDOW_IS_CLIENT(window)) {
+ ObClient *c;
+ ObClient *selected;
+ selected = WINDOW_AS_CLIENT(window);
+ c = client_search_top_transient(selected);
+ wins = pick_windows(c, selected, TRUE);
+ wins = g_list_concat(wins, pick_group_windows(c, selected, TRUE, group));
+ } else {
+ wins = g_list_append(NULL, window);
+ stacking_list = g_list_remove(stacking_list, window);
+ }
+ do_raise(wins);
+ g_list_free(wins);
+}
+
+void stacking_lower(ObWindow *window, gboolean group)
+{
+ GList *wins;
+
+ if (WINDOW_IS_CLIENT(window)) {
+ ObClient *c;
+ ObClient *selected;
+ selected = WINDOW_AS_CLIENT(window);
+ c = client_search_top_transient(selected);
+ wins = pick_windows(c, selected, FALSE);
+ wins = g_list_concat(pick_group_windows(c, selected, FALSE, group), wins);
+ } else {
+ wins = g_list_append(NULL, window);
+ stacking_list = g_list_remove(stacking_list, window);
+ }
+ do_lower(wins);
+ g_list_free(wins);
}
+void stacking_below(ObWindow *window, ObWindow *below)
+{
+ GList *wins, *before;
+
+ if (window_layer(window) != window_layer(below))
+ return;
+
+ wins = g_list_append(NULL, window);
+ stacking_list = g_list_remove(stacking_list, window);
+ before = g_list_next(g_list_find(stacking_list, below));
+ do_restack(wins, before);
+ g_list_free(wins);
+}
+
+void stacking_add(ObWindow *win)
+{
+ ObStackingLayer l;
+ GList *wins;
+
+ g_assert(screen_support_win != None); /* make sure I dont break this in the
+ future */
+
+ l = window_layer(win);
+ wins = g_list_append(NULL, win); /* list of 1 element */
+
+ stacking_list = g_list_append(stacking_list, win);
+ stacking_raise(win, FALSE);
+}
+
+void stacking_add_nonintrusive(ObWindow *win)
+{
+ ObClient *client;
+ ObClient *parent = NULL;
+ GList *it_before = NULL;
+
+ if (!WINDOW_IS_CLIENT(win)) {
+ stacking_add(win); /* no special rules for others */
+ return;
+ }
+
+ client = WINDOW_AS_CLIENT(win);
+
+ /* insert above its highest parent */
+ if (client->transient_for) {
+ if (client->transient_for != OB_TRAN_GROUP) {
+ parent = client->transient_for;
+ } else {
+ GSList *sit;
+ GList *it;
+
+ if (client->group)
+ for (it = stacking_list; !parent && it; it = g_list_next(it)) {
+ if ((sit = g_slist_find(client->group->members, it->data)))
+ for (sit = client->group->members; !parent && sit;
+ sit = g_slist_next(sit))
+ {
+ ObClient *c = sit->data;
+ /* checking transient_for prevents infinate loops! */
+ if (sit->data == it->data && !c->transient_for)
+ parent = it->data;
+ }
+ }
+ }
+ }
+
+ if (!(it_before = g_list_find(stacking_list, parent))) {
+ /* no parent to put above, try find the focused client to go
+ under */
+ if (focus_client && focus_client->layer == client->layer) {
+ if ((it_before = g_list_find(stacking_list, focus_client)))
+ it_before = it_before->next;
+ }
+ }
+ if (!it_before) {
+ /* out of ideas, just add it normally... */
+ stacking_add(win);
+ } else {
+ GList *wins = g_list_append(NULL, win);
+ do_restack(wins, it_before);
+ g_list_free(wins);
+ }
+}