1 files changed, 74 insertions, 0 deletions

diff --git a/src/FbTk/MultLayers.hh b/src/FbTk/MultLayers.hh
new file mode 100644
index 0000000..29c80a8
--- /dev/null
+++ b/src/FbTk/MultLayers.hh
@@ -0,0 +1,74 @@
+// MultLayers.hh for FbTk - fluxbox toolkit
+// Copyright (c) 2003 Henrik Kinnunen (fluxgen at users.sourceforge.net)
+//                and Simon Bowden    (rathnor at users.sourceforge.net)
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the "Software"),
+// to deal in the Software without restriction, including without limitation
+// the rights to use, copy, modify, merge, publish, distribute, sublicense,
+// and/or sell copies of the Software, and to permit persons to whom the
+// Software is furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+// DEALINGS IN THE SOFTWARE.
+
+// $Id: MultLayers.hh,v 1.6 2003/07/20 18:05:40 rathnor Exp $
+
+#ifndef FBTK_MULTLAYERS_HH
+#define FBTK_MULTLAYERS_HH
+
+#include <vector>
+
+namespace FbTk {
+
+class XLayerItem;
+class XLayer;
+
+class MultLayers {
+public:
+    MultLayers(int numlayers);
+    ~MultLayers();
+    XLayerItem *getLowestItemAboveLayer(int layernum);
+
+    /// if there are none below, it will return null
+    XLayerItem *getItemBelow(XLayerItem &item);
+    XLayerItem *getItemAbove(XLayerItem &item);
+    void addToTop(XLayerItem &item, int layernum);
+    void remove(XLayerItem &item);
+
+    // raise/lower the whole layer
+    void raise(XLayer &layer);
+    void lower(XLayer &layer);
+
+    // raise/lower the item a whole layer, not just to top of current layer
+    void raiseLayer(XLayerItem &item);
+    void lowerLayer(XLayerItem &item);
+
+    void moveToLayer(XLayerItem &item, int layernum);
+    int  size();
+    void restack();
+
+    XLayer *getLayer(size_t num);
+    const XLayer *getLayer(size_t num) const;
+
+    inline bool isUpdatable() const { return m_lock == 0; }
+    inline void lock() { ++m_lock; }
+    inline void unlock() { if (--m_lock == 0) restack(); }
+
+private:
+    std::vector<XLayer *> m_layers;
+
+    int m_lock;
+
+};
+
+};
+#endif // FBTK_MULTLAYERS_HH