X-Git-Url: https://git.dogcows.com/gitweb?a=blobdiff_plain;f=openbox%2Fstacking.c;h=d9aee95260b85fe082780371124412d9eaa6f573;hb=4c672be2e1f39e72eb7d7e99f129e61338f481b2;hp=cebbfc9fd72d0f3efa091b535afd20611e0ed674;hpb=1ce84062b4f84634c925a7ae2b729ba05b7c02ec;p=chaz%2Fopenbox diff --git a/openbox/stacking.c b/openbox/stacking.c index cebbfc9f..d9aee952 100644 --- a/openbox/stacking.c +++ b/openbox/stacking.c @@ -1,3 +1,22 @@ +/* -*- indent-tabs-mode: nil; tab-width: 4; c-basic-offset: 4; -*- + + stacking.c for the Openbox window manager + Copyright (c) 2006 Mikael Magnusson + 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" @@ -23,7 +42,7 @@ void stacking_set_list() /* create an array of the window ids (from bottom to top, reverse order!) */ if (stacking_list) { - windows = g_new(Window, g_list_length(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; @@ -31,18 +50,19 @@ void stacking_set_list() } PROP_SETA32(RootWindow(ob_display, ob_screen), - net_client_list_stacking, window, (guint32*)windows, i); + net_client_list_stacking, window, (gulong*)windows, i); g_free(windows); } static void do_restack(GList *wins, GList *before) { - GList *it, *next; + GList *it; Window *win; - int i; + gint i; #ifdef DEBUG + GList *next; /* pls only restack stuff in the same layer at a time */ for (it = wins; it; it = next) { next = g_list_next(it); @@ -88,7 +108,7 @@ static void do_raise(GList *wins) { GList *it; GList *layer[OB_NUM_STACKING_LAYERS] = {NULL}; - int i; + gint i; for (it = wins; it; it = g_list_next(it)) { ObStackingLayer l; @@ -115,7 +135,7 @@ static void do_lower(GList *wins) { GList *it; GList *layer[OB_NUM_STACKING_LAYERS] = {NULL}; - int i; + gint i; for (it = wins; it; it = g_list_next(it)) { ObStackingLayer l; @@ -138,145 +158,189 @@ static void do_lower(GList *wins) } } -static GList *pick_windows(ObClient *top, ObClient *selected, gboolean raise) +static void restack_windows(ObClient *selected, gboolean raise) { - GList *ret = NULL; - GList *it, *next, *prev; - GSList *sit; - int i, n; + GList *it, *last, *below, *above, *next; + GList *wins = NULL; + + GList *group_modals = NULL; + GList *group_trans = NULL; 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; + if (!raise && selected->transient_for) { + GSList *top, *top_it; + GSList *top_reorder = NULL; + + /* if it's a transient lowering, lower its parents so that we can lower + this window, or it won't move */ + top = client_search_all_top_parents(selected); + + /* that is, if it has any parents */ + if (!(top->data == selected && top->next == NULL)) { + /* go thru stacking list backwards so we can use g_slist_prepend */ + for (it = g_list_last(stacking_list); it && top; + it = g_list_previous(it)) + if ((top_it = g_slist_find(top, it->data))) { + top_reorder = g_slist_prepend(top_reorder, top_it->data); + top = g_slist_delete_link(top, top_it); + } + g_assert(top == NULL); - 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); + /* call restack for each of these to lower them */ + for (top_it = top_reorder; top_it; top_it = g_slist_next(top_it)) + restack_windows(top_it->data, raise); + return; + } + } - if ((sit = g_slist_find(top->transients, it->data))) { - ObClient *c = sit->data; - gboolean sel_child; - - ++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)); + /* remove first so we can't run into ourself */ + it = g_list_find(stacking_list, selected); + g_assert(it); + stacking_list = g_list_delete_link(stacking_list, it); + + /* go from the bottom of the stacking list up */ + for (it = g_list_last(stacking_list); it; it = next) { + next = g_list_previous(it); + + if (WINDOW_IS_CLIENT(it->data)) { + ObClient *ch = it->data; + + /* only move windows in the same stacking layer */ + if (ch->layer == selected->layer && + client_search_transient(selected, ch)) + { + if (client_is_direct_child(selected, ch)) { + if (ch->modal) + modals = g_list_prepend(modals, ch); + else + trans = g_list_prepend(trans, ch); } - } 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)); + else { + if (ch->modal) + group_modals = g_list_prepend(group_modals, ch); + else + group_trans = g_list_prepend(group_trans, ch); } + stacking_list = g_list_delete_link(stacking_list, it); } - /* 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; } } - ret = g_list_concat((raise ? modal_sel : modals), - (raise ? modals : modal_sel)); + /* put transients of the selected window right above it */ + wins = g_list_concat(modals, trans); + wins = g_list_append(wins, selected); - ret = g_list_concat(ret, (raise ? trans_sel : trans)); - ret = g_list_concat(ret, (raise ? trans : trans_sel)); + /* if selected window is transient for group then raise it above others */ + if (selected->transient_for == OB_TRAN_GROUP) { + /* if it's modal, raise it above those also */ + if (selected->modal) { + wins = g_list_concat(wins, group_modals); + group_modals = NULL; + } + wins = g_list_concat(wins, group_trans); + group_trans = NULL; + } + /* find where to put the selected window, start from bottom of list, + this is the window below everything we are re-adding to the list */ + last = NULL; + for (it = g_list_last(stacking_list); it; it = g_list_previous(it)) + { + if (window_layer(it->data) < selected->layer) { + last = it; + continue; + } + /* if lowering, stop at the beginning of the layer */ + if (!raise) + break; + /* if raising, stop at the end of the layer */ + if (window_layer(it->data) > selected->layer) + break; + + last = it; + } - /* add itself */ - ret = g_list_append(ret, top); + /* save this position in the stacking list */ + below = last; + + /* find where to put the group transients, start from the top of list */ + for (it = stacking_list; it; it = g_list_next(it)) { + /* skip past higher layers */ + if (window_layer(it->data) > selected->layer) + continue; + /* if we reach the end of the layer (how?) then don't go further */ + if (window_layer(it->data) < selected->layer) + break; + /* stop when we reach the first window in the group */ + if (WINDOW_IS_CLIENT(it->data)) { + ObClient *c = it->data; + if (c->group == selected->group) + break; + } + /* if we don't hit any other group members, stop here because this + is where we are putting the selected window (and its children) */ + if (it == below) + break; + } - return ret; -} + /* save this position, this is the top of the group of windows between the + group transient ones we're restacking and the others up above that we're + restacking -#if 0 -static GList *pick_group_windows(ObClient *top, ObClient *selected, - gboolean raise) -{ - GList *ret = NULL; - GList *it, *next, *prev; - GSList *sit; - int 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))) { - ++i; - 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; - } - } + we actually want to save 1 position _above_ that, for for loops to work + nicely, so move back one position in the list while saving it + */ + above = it ? g_list_previous(it) : g_list_last(stacking_list); + + /* put the windows inside the gap to the other windows we're stacking + into the restacking list, go from the bottom up so that we can use + g_list_prepend */ + if (below) it = g_list_previous(below); + else it = g_list_last(stacking_list); + for (; it != above; it = next) { + next = g_list_previous(it); + wins = g_list_prepend(wins, it->data); + stacking_list = g_list_delete_link(stacking_list, it); } - return ret; + + /* group transients go above the rest of the stuff acquired to now */ + wins = g_list_concat(group_trans, wins); + /* group modals go on the very top */ + wins = g_list_concat(group_modals, wins); + + do_restack(wins, below); + g_list_free(wins); } -#endif void stacking_raise(ObWindow *window) { - GList *wins; - if (WINDOW_IS_CLIENT(window)) { - ObClient *c; ObClient *selected; selected = WINDOW_AS_CLIENT(window); - /*c = client_search_top_transient(selected);*/ c = selected; - wins = pick_windows(c, selected, TRUE); - /*wins = g_list_concat(wins, pick_group_windows(c, selected, TRUE));*/ + restack_windows(selected, TRUE); } else { + GList *wins; wins = g_list_append(NULL, window); stacking_list = g_list_remove(stacking_list, window); + do_raise(wins); + g_list_free(wins); } - do_raise(wins); - g_list_free(wins); } void stacking_lower(ObWindow *window) { - 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), wins);*/ + restack_windows(selected, FALSE); } else { + GList *wins; wins = g_list_append(NULL, window); stacking_list = g_list_remove(stacking_list, window); + do_lower(wins); + g_list_free(wins); } - do_lower(wins); - g_list_free(wins); } void stacking_below(ObWindow *window, ObWindow *below) @@ -295,14 +359,8 @@ void stacking_below(ObWindow *window, ObWindow *below) 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 */ + future */ stacking_list = g_list_append(stacking_list, win); stacking_raise(win); @@ -312,7 +370,7 @@ void stacking_add_nonintrusive(ObWindow *win) { ObClient *client; ObClient *parent = NULL; - GList *it_before = NULL; + GList *it_below = NULL; if (!WINDOW_IS_CLIENT(win)) { stacking_add(win); /* no special rules for others */ @@ -330,33 +388,55 @@ void stacking_add_nonintrusive(ObWindow *win) GList *it; if (client->group) - for (it = stacking_list; !parent && it; it = it->next) { + 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 = sit->next) { - ObClient *c = sit->data; - /* checking transient_for prevents infinate loops! */ - if (sit->data == it->data && !c->transient_for) - parent = 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))) { + if (!(it_below = 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_below = g_list_find(stacking_list, focus_client))) + it_below = it_below->next; } } - if (!it_before) { - /* out of ideas, just add it normally... */ - stacking_add(win); + if (!it_below) { + /* there is no window to put this directly above, so put it at the + bottom */ + stacking_list = g_list_prepend(stacking_list, win); + stacking_lower(win); } else { + /* make sure it's not in the wrong layer though ! */ + for (; it_below; it_below = g_list_next(it_below)) + { + /* stop when the window is not in a higher layer than the window + it is going above (it_below) */ + if (client->layer >= window_layer(it_below->data)) + break; + } + for (; it_below != stacking_list; + it_below = g_list_previous(it_below)) + { + /* stop when the window is not in a lower layer than the + window it is going under (it_above) */ + GList *it_above = g_list_previous(it_below); + if (client->layer <= window_layer(it_above->data)) + break; + } + GList *wins = g_list_append(NULL, win); - do_restack(wins, it_before); + do_restack(wins, it_below); g_list_free(wins); } }