Merge branch 'master' into chaz

[chaz/openbox] / openbox / stacking.c

diff --git a/openbox/stacking.c b/openbox/stacking.c
index 2a34f71dc4eea10305c1037a0ae24b64d9d4025b..58551b5da28d17474c294cb0f31b81e291207e7c 100644 (file)
--- a/openbox/stacking.c
+++ b/openbox/stacking.c
@@ -29,6 +29,7 @@
 #include "obt/prop.h"
 
 GList  *stacking_list = NULL;
+GList  *stacking_list_tail = NULL;
 /*! When true, stacking changes will not be reflected on the screen.  This is
   to freeze the on-screen stacking order while a window is being temporarily
   raised during focus cycling */
@@ -218,6 +219,7 @@ static void restack_windows(ObClient *selected, gboolean raise)
     GList *it, *last, *below, *above, *next;
     GList *wins = NULL;
 
+    GList *group_helpers = NULL;
     GList *group_modals = NULL;
     GList *group_trans = NULL;
     GList *modals = NULL;
@@ -248,6 +250,8 @@ static void restack_windows(ObClient *selected, gboolean raise)
 
                 /* only move windows in the same stacking layer */
                 if (ch->layer == selected->layer &&
+                    /* looking for windows that are transients, and so would
+                       remain above the selected window */
                     client_search_transient(selected, ch))
                 {
                     if (client_is_direct_child(selected, ch)) {
@@ -256,6 +260,13 @@ static void restack_windows(ObClient *selected, gboolean raise)
                         else
                             trans = g_list_prepend(trans, ch);
                     }
+                    else if (client_helper(ch)) {
+                        if (selected->transient) {
+                            /* helpers do not stay above transient windows */
+                            continue;
+                        }
+                        group_helpers = g_list_prepend(group_helpers, ch);
+                    }
                     else {
                         if (ch->modal)
                             group_modals = g_list_prepend(group_modals, ch);
@@ -268,8 +279,13 @@ static void restack_windows(ObClient *selected, gboolean raise)
         }
     }
 
-    /* put transients of the selected window right above it */
+    /* put modals above other direct transients */
     wins = g_list_concat(modals, trans);
+
+    /* put helpers below direct transients */
+    wins = g_list_concat(wins, group_helpers);
+
+    /* put the selected window right below these children */
     wins = g_list_append(wins, selected);
 
     /* if selected window is transient for group then raise it above others */
@@ -388,6 +404,7 @@ void stacking_raise(ObWindow *window)
         do_raise(wins);
         g_list_free(wins);
     }
+    stacking_list_tail = g_list_last(stacking_list);
 }
 
 void stacking_lower(ObWindow *window)
@@ -403,6 +420,7 @@ void stacking_lower(ObWindow *window)
         do_lower(wins);
         g_list_free(wins);
     }
+    stacking_list_tail = g_list_last(stacking_list);
 }
 
 void stacking_below(ObWindow *window, ObWindow *below)
@@ -417,15 +435,20 @@ void stacking_below(ObWindow *window, ObWindow *below)
     before = g_list_next(g_list_find(stacking_list, below));
     do_restack(wins, before);
     g_list_free(wins);
+    stacking_list_tail = g_list_last(stacking_list);
 }
 
 void stacking_add(ObWindow *win)
 {
     g_assert(screen_support_win != None); /* make sure I dont break this in the
                                              future */
+    /* don't add windows that are being unmanaged ! */
+    if (WINDOW_IS_CLIENT(win)) g_assert(WINDOW_AS_CLIENT(win)->managed);
 
     stacking_list = g_list_append(stacking_list, win);
+
     stacking_raise(win);
+    /* stacking_list_tail set by stacking_raise() */
 }
 
 static GList *find_highest_relative(ObClient *client)
@@ -483,6 +506,9 @@ void stacking_add_nonintrusive(ObWindow *win)
 
     client = WINDOW_AS_CLIENT(win);
 
+    /* don't add windows that are being unmanaged ! */
+    g_assert(client->managed);
+
     /* insert above its highest parent (or its highest child !) */
     it_below = find_highest_relative(client);
 
@@ -535,6 +561,7 @@ void stacking_add_nonintrusive(ObWindow *win)
     wins = g_list_append(NULL, win);
     do_restack(wins, it_below);
     g_list_free(wins);
+    stacking_list_tail = g_list_last(stacking_list);
 }
 
 /*! Returns TRUE if client is occluded by the sibling. If sibling is NULL it
@@ -544,17 +571,16 @@ static gboolean stacking_occluded(ObClient *client, ObClient *sibling)
 {
     GList *it;
     gboolean occluded = FALSE;
-    gboolean found = FALSE;
 
     /* no need for any looping in this case */
     if (sibling && client->layer != sibling->layer)
         return occluded;
 
-    for (it = stacking_list; it;
-         it = (found ? g_list_previous(it) :g_list_next(it)))
+    for (it = g_list_previous(g_list_find(stacking_list, client)); it;
+         it = g_list_previous(it))
         if (WINDOW_IS_CLIENT(it->data)) {
             ObClient *c = it->data;
-            if (found && !c->iconic &&
+            if (!c->iconic &&
                 (c->desktop == DESKTOP_ALL || client->desktop == DESKTOP_ALL ||
                  c->desktop == client->desktop) &&
                 !client_search_transient(client, c))
@@ -575,8 +601,6 @@ static gboolean stacking_occluded(ObClient *client, ObClient *sibling)
                         break; /* we past its layer */
                 }
             }
-            else if (c == client)
-                found = TRUE;
         }
     return occluded;
 }
@@ -588,16 +612,16 @@ static gboolean stacking_occludes(ObClient *client, ObClient *sibling)
 {
     GList *it;
     gboolean occludes = FALSE;
-    gboolean found = FALSE;
 
     /* no need for any looping in this case */
     if (sibling && client->layer != sibling->layer)
         return occludes;
 
-    for (it = stacking_list; it; it = g_list_next(it))
+    for (it = g_list_next(g_list_find(stacking_list, client));
+         it; it = g_list_next(it))
         if (WINDOW_IS_CLIENT(it->data)) {
             ObClient *c = it->data;
-            if (found && !c->iconic &&
+            if (!c->iconic &&
                 (c->desktop == DESKTOP_ALL || client->desktop == DESKTOP_ALL ||
                  c->desktop == client->desktop) &&
                 !client_search_transient(c, client))
@@ -618,8 +642,6 @@ static gboolean stacking_occludes(ObClient *client, ObClient *sibling)
                         break; /* we past its layer */
                 }
             }
-            else if (c == client)
-                found = TRUE;
         }
     return occludes;
 }