// MultLayers.hh for FbTk - fluxbox toolkit // Copyright (c) 2003 Henrik Kinnunen (fluxgen at fluxbox dot org) // 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. // $Id$ #ifndef FBTK_MULTLAYERS_HH #define FBTK_MULTLAYERS_HH #include <vector> namespace FbTk { class XLayerItem; class XLayer; class MultLayers { public: explicit MultLayers(int numlayers); virtual ~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