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