#include "client.h"
#include "group.h"
#include "frame.h"
+#include "window.h"
#include <glib.h>
GList *stacking_list = NULL;
-static Window top_window = None;
-
-void stacking_startup()
-{
- XSetWindowAttributes attrib;
- attrib.override_redirect = TRUE;
- top_window = XCreateWindow(ob_display, ob_root,
- -100, -100, 1, 1, 0,
- CopyFromParent, InputOutput, CopyFromParent,
- CWOverrideRedirect, &attrib);
- XMapWindow(ob_display, top_window);
-}
-
-void stacking_shutdown()
-{
- XDestroyWindow(ob_display, top_window);
-}
-
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
/* 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;
+ 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(ob_root, net_client_list_stacking, window,
- (guint32*)windows, size);
-
- if (windows)
- g_free(windows);
-}
+ (guint32*)windows, i);
-static GList *find_lowest_transient(Client *c)
-{
- GList *it;
- GSList *sit;
-
- for (it = g_list_last(stacking_list); it; it = it->prev)
- for (sit = c->transients; sit; sit = sit->next)
- if (it->data == sit->data) /* found a transient */
- return it;
- return NULL;
+ g_free(windows);
}
-static void raise_recursive(Client *client)
+static void do_restack(GList *wins, GList *before)
{
- Window wins[2]; /* only ever restack 2 windows. */
- GList *it;
- GSList *sit;
-
- g_assert(stacking_list != NULL); /* this would be bad */
+ GList *it, *next;
+ Window *win;
+ int i;
+
+ /* 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));
+ }
- /* remove the client before looking so we can't run into ourselves and our
- transients can't either. */
- stacking_list = g_list_remove(stacking_list, client);
- /* raise transients first */
- for (sit = client->transients; sit; sit = sit->next)
- raise_recursive(sit->data);
+ win = g_new(Window, g_list_length(wins) + 1);
- /* find 'it' where it is the positiion in the stacking order where
- 'client' will be inserted *before* */
+ if (before == stacking_list)
+ win[0] = focus_backup;
+ else if (!before)
+ win[0] = window_top(g_list_last(stacking_list)->data);
+ else
+ win[0] = window_top(g_list_previous(before)->data);
- it = find_lowest_transient(client);
- if (it)
- it = it->next;
- else {
- /* the stacking list is from highest to lowest */
- for (it = stacking_list; it; it = it->next) {
- if (client->layer >= ((Client*)it->data)->layer)
- break;
- }
+ for (i = 1, it = wins; it; ++i, it = g_list_next(it)) {
+ win[i] = window_top(it->data);
+ stacking_list = g_list_insert_before(stacking_list, before, it->data);
}
- /*
- 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;
- else
- wins[0] = ((Client*)g_list_last(stacking_list)->data)->frame->window;
- wins[1] = client->frame->window;
+ /* XXX 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));
+ }
- stacking_list = g_list_insert_before(stacking_list, it, client);
+ XRestackWindows(ob_display, win, i);
+ g_free(win);
- XRestackWindows(ob_display, wins, 2);
+ stacking_set_list();
}
-void stacking_raise(Client *client)
+static void raise(GList *wins)
{
- g_assert(stacking_list != NULL); /* this would be bad */
+ GList *it;
+ GList *layer[NUM_STACKLAYER] = {NULL};
+ int i;
- /* move up the transient chain as far as possible first */
- while (client->transient_for) {
- if (client->transient_for != TRAN_GROUP) {
- client = client->transient_for;
- } else {
- GSList *it;
+ for (it = wins; it; it = g_list_next(it)) {
+ StackLayer l;
- /* the check for TRAN_GROUP is to prevent an infinate loop with
- 2 transients of the same group at the head of the group's
- members list */
- for (it = client->group->members; it; it = it->next) {
- Client *c = it->data;
+ l = window_layer(it->data);
+ layer[l] = g_list_append(layer[l], it->data);
+ }
- if (c != client && c->transient_for != TRAN_GROUP) {
- client = it->data;
+ it = stacking_list;
+ for (i = NUM_STACKLAYER - 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) <= (StackLayer) i)
break;
- }
}
- if (it == NULL) break;
+ do_restack(layer[i], it);
+ g_list_free(layer[i]);
}
}
+}
- raise_recursive(client);
+static void lower(GList *wins)
+{
+ GList *it;
+ GList *layer[NUM_STACKLAYER] = {NULL};
+ int i;
- stacking_set_list();
+ for (it = wins; it; it = g_list_next(it)) {
+ StackLayer l;
+
+ l = window_layer(it->data);
+ layer[l] = g_list_append(layer[l], it->data);
+ }
+
+ it = stacking_list;
+ for (i = NUM_STACKLAYER - 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) < (StackLayer) i)
+ break;
+ }
+ do_restack(layer[i], it);
+ g_list_free(layer[i]);
+ }
+ }
}
-static void lower_recursive(Client *client, Client *above)
+static GList *pick_windows(ObWindow *win)
{
- Window wins[2]; /* only ever restack 2 windows. */
- GList *it;
+ GList *ret = NULL;
+ GList *it, *next;
GSList *sit;
+ Client *c;
+ int i, n;
- /* find 'it' where 'it' is the position in the stacking_list where the
- 'client' will be placed *after* */
+ if (!WINDOW_IS_CLIENT(win)) {
+ ret = g_list_append(ret, win);
+ stacking_list = g_list_remove(stacking_list, win);
+ return ret;
+ }
- for (it = g_list_last(stacking_list); it != stacking_list; it = it->prev)
- if (client->layer <= ((Client*)it->data)->layer && it->data != above)
- break;
+ c = WINDOW_AS_CLIENT(win);
- if (it->data != client) { /* not already the bottom */
- wins[0] = ((Client*)it->data)->frame->window;
- wins[1] = client->frame->window;
+ /* remove first so we can't run into ourself */
+ stacking_list = g_list_remove(stacking_list, win);
- stacking_list = g_list_remove(stacking_list, client);
- stacking_list = g_list_insert_before(stacking_list, it->next, client);
- XRestackWindows(ob_display, wins, 2);
+ /* add transient children in their stacking order */
+ i = 0;
+ n = g_slist_length(c->transients);
+ for (it = stacking_list; i < n && it; it = next) {
+ next = g_list_next(it);
+ if ((sit = g_slist_find(c->transients, it->data))) {
+ ++i;
+ ret = g_list_concat(ret, pick_windows(sit->data));
+ it = stacking_list;
+ }
}
- for (sit = client->transients; sit; sit = sit->next)
- lower_recursive(sit->data, client);
+ /* add itself */
+ ret = g_list_append(ret, win);
+
+ return ret;
+}
+
+static GList *pick_group_windows(ObWindow *win)
+{
+ GList *ret = NULL;
+ GList *it, *next;
+ GSList *sit;
+ Client *c;
+ int i, n;
+
+ if (!WINDOW_IS_CLIENT(win))
+ return NULL;
+
+ c = WINDOW_AS_CLIENT(win);
+
+ /* add group members in their stacking order */
+ if (c->group) {
+ i = 0;
+ n = g_slist_length(c->group->members) - 1;
+ for (it = stacking_list; i < n && it; it = next) {
+ next = g_list_next(it);
+ if ((sit = g_slist_find(c->group->members, it->data))) {
+ ++i;
+ ret = g_list_concat(ret, pick_windows(sit->data));
+ it = stacking_list;
+ }
+ }
+ }
+ return ret;
}
-void stacking_lower(Client *client)
+static ObWindow *top_transient(ObWindow *window)
{
- g_assert(stacking_list != NULL); /* this would be bad */
+ Client *client;
+
+ if (!WINDOW_IS_CLIENT(window))
+ return window;
- /* move up the transient chain as far as possible first */
- while (client->transient_for) {
+ client = WINDOW_AS_CLIENT(window);
+
+ /* move up the transient chain as far as possible */
+ if (client->transient_for) {
if (client->transient_for != TRAN_GROUP) {
- client = client->transient_for;
+ return top_transient(CLIENT_AS_WINDOW(client->transient_for));
} else {
GSList *it;
- /* the check for TRAN_GROUP is to prevent an infinate loop with
- 2 transients of the same group at the head of the group's
- members list */
for (it = client->group->members; it; it = it->next) {
Client *c = it->data;
- if (c != client && c->transient_for != TRAN_GROUP) {
- client = it->data;
+ /* checking transient_for prevents infinate loops! */
+ if (c != client && !c->transient_for)
break;
- }
}
- if (it == NULL) break;
+ if (it)
+ return it->data;
}
}
- lower_recursive(client, NULL);
+ return window;
+}
- stacking_set_list();
+void stacking_raise(ObWindow *window)
+{
+ GList *wins;
+
+ window = top_transient(window);
+ wins = pick_windows(window);
+ wins = g_list_concat(wins, pick_group_windows(window));
+ raise(wins);
+ g_list_free(wins);
}
-void stacking_raise_internal(Window win)
+void stacking_lower(ObWindow *window)
{
- Window wins[2]; /* only ever restack 2 windows. */
+ GList *wins;
- wins[0] = top_window;
- wins[1] = win;
+ window = top_transient(window);
+ wins = pick_windows(window);
+ wins = g_list_concat(pick_group_windows(window), wins);
+ lower(wins);
+ g_list_free(wins);
+}
- XRestackWindows(ob_display, wins, 2);
+void stacking_add(ObWindow *win)
+{
+ StackLayer l;
+ GList *wins, *it;
+
+ l = window_layer(win);
+ wins = g_list_append(NULL, win); /* list of 1 element */
+
+ for (it = stacking_list; it; it = g_list_next(it))
+ if (window_layer(it->data) <= l)
+ break;
+ do_restack(wins, it);
+ g_list_free(wins);
+
+ stacking_raise(win);
+}
+
+void stacking_add_nonintrusive(ObWindow *win)
+{
+ Client *client;
+ Client *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 != TRAN_GROUP) {
+ parent = client->transient_for;
+ } else {
+ GSList *sit;
+ GList *it;
+
+ if (client->group)
+ for (it = stacking_list; !parent && it; it = it->next) {
+ if ((sit = g_slist_find(client->group->members, it->data)))
+ for (sit = client->group->members; !parent && sit;
+ sit = sit->next) {
+ Client *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);
+ }
}
projects / chaz / openbox / blobdiff