87 lines
3.2 KiB
C++
87 lines
3.2 KiB
C++
// ScreenPlacement.hh
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// Copyright (c) 2006 Fluxbox Team (fluxgen at fluxbox dot org)
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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 SCREENPLACEMENT_HH
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#define SCREENPLACEMENT_HH
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#include "PlacementStrategy.hh"
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#include "FbTk/Resource.hh"
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#include <memory>
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namespace FbTk {
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class Menu;
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}
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class BScreen;
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/**
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* Main class for strategy handling
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* This is a bridge between screen and
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* the real placement strategy (rowcol, undermouse etc)
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* The placeWindow function in this class is guaranteed to succeed.
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* It holds a pointer to the real placement strategy which is
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* called upon placeWindow, it also holds the placement resources
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*/
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class ScreenPlacement: public PlacementStrategy {
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public:
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enum PlacementPolicy {
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ROWSMARTPLACEMENT,
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COLSMARTPLACEMENT,
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COLMINOVERLAPPLACEMENT,
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ROWMINOVERLAPPLACEMENT,
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CASCADEPLACEMENT,
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UNDERMOUSEPLACEMENT
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};
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enum RowDirection {
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LEFTRIGHT, ///< from left to right
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RIGHTLEFT ///< from right to left
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};
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enum ColumnDirection {
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TOPBOTTOM, ///< from top to bottom
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BOTTOMTOP ///< from bottom to top
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};
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explicit ScreenPlacement(BScreen &screen);
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virtual ~ScreenPlacement() {}
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/// placeWindow is guaranteed to succeed, ignore return value
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/// @return true
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bool placeWindow(const FluxboxWindow &window, int head,
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int &place_x, int &place_y);
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// places and show 'menu' at 'x','y'
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void placeAndShowMenu(FbTk::Menu& menu, int x, int y, bool respect_struts);
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RowDirection rowDirection() const { return *m_row_direction; }
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ColumnDirection colDirection() const { return *m_col_direction; }
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private:
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FbTk::Resource<RowDirection> m_row_direction; ///< row direction resource
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FbTk::Resource<ColumnDirection> m_col_direction; ///< column direction resource
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FbTk::Resource<PlacementPolicy> m_placement_policy; ///< placement policy resource
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PlacementPolicy m_old_policy; ///< holds old policy, used to determine if resources has changed
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std::auto_ptr<PlacementStrategy> m_strategy; ///< main strategy
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std::auto_ptr<PlacementStrategy> m_fallback_strategy; ///< a fallback strategy if the main strategy fails
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BScreen& m_screen;
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};
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#endif // SCREENPLACEMENT_HH
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