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