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src/stack.h

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+/* Metacity Window Stack */
+
+/* 
+ * Copyright (C) 2001 Havoc Pennington
+ * 
+ * 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.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+ * 02111-1307, USA.
+ */
+
+#ifndef META_STACK_H
+#define META_STACK_H
+
+#include "screen.h"
+
+/* Type of last-queued stacking operation, hung off of MetaWindow
+ * but an opaque type used only in stack.c
+ */
+typedef struct _MetaStackOp MetaStackOp;
+
+/* These MUST be in the order of stacking */
+typedef enum
+{
+  META_LAYER_DESKTOP   = 0,
+  META_LAYER_BOTTOM    = 1,
+  META_LAYER_NORMAL    = 2,
+  META_LAYER_TOP       = 3,
+  META_LAYER_DOCK      = 4,
+  META_LAYER_LAST      = 5
+} MetaStackLayer;
+
+struct _MetaStack
+{
+  MetaScreen *screen;
+
+  /* All windows that we manage, in mapping order,
+   * for _NET_CLIENT_LIST
+   */
+  GArray *windows;
+
+  /* List of MetaWindow* in each layer */
+  GList *layers[META_LAYER_LAST];
+
+  /* List of MetaStackOp, most recent op
+   * first in list.
+   */
+  GList *pending;
+  
+  int freeze_count;
+
+  int n_added;
+};
+
+MetaStack *meta_stack_new       (MetaScreen     *screen);
+void       meta_stack_free      (MetaStack      *stack);
+void       meta_stack_add       (MetaStack      *stack,
+                                 MetaWindow     *window);
+void       meta_stack_remove    (MetaStack      *stack,
+                                 MetaWindow     *window);
+/* re-read layer-related hints */
+void       meta_stack_update_layer    (MetaStack      *stack,
+                                       MetaWindow     *window);
+/* reconsider transient_for */
+void       meta_stack_update_transient (MetaStack     *stack,
+                                        MetaWindow    *window);
+
+/* raise/lower within a layer */
+void       meta_stack_raise     (MetaStack      *stack,
+                                 MetaWindow     *window);
+void       meta_stack_lower     (MetaStack      *stack,
+                                 MetaWindow     *window);
+
+/* On thaw, process pending and sync to server */
+void       meta_stack_freeze    (MetaStack      *stack);
+void       meta_stack_thaw      (MetaStack      *stack);
+
+#endif
+
+
+
+