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// MinOverlapPlacement.hh
// Copyright (c) 2007 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 MINOVERLAPPLACEMENT_HH
#define MINOVERLAPPLACEMENT_HH
#include "ScreenPlacement.hh"
class MinOverlapPlacement: public PlacementStrategy {
public:
MinOverlapPlacement(ScreenPlacement::PlacementPolicy policy);
bool placeWindow(const FluxboxWindow &win, int head,
int &place_x, int &place_y);
private:
class Region {
public:
enum Corner {
TOPLEFT,
TOPRIGHT,
BOTTOMLEFT,
BOTTOMRIGHT
} corner; // indicates the corner of the window that will be placed
Region(Corner _corner, int _x, int _y):
corner(_corner), x(_x), y(_y) { };
// do all STL set implementations use this for sorting?
bool operator <(const Region &o) const {
switch (MinOverlapPlacement::s_policy) {
case ScreenPlacement::ROWMINOVERLAPPLACEMENT:
// if we're making rows, y-value is most important
if (y != o.y)
return ((y < o.y) ^ (s_col_dir == ScreenPlacement::BOTTOMTOP));
if (x != o.x)
return ((x < o.x) ^ (s_row_dir == ScreenPlacement::RIGHTLEFT));
return (corner < o.corner);
case ScreenPlacement::COLMINOVERLAPPLACEMENT:
// if we're making columns, x-value is most important
if (x != o.x)
return ((x < o.x) ^ (s_row_dir == ScreenPlacement::RIGHTLEFT));
if (y != o.y)
return ((y < o.y) ^ (s_col_dir == ScreenPlacement::BOTTOMTOP));
return (corner < o.corner);
default:
return false;
}
}
// position where the top left corner of the window will be placed
int x, y;
};
static ScreenPlacement::PlacementPolicy s_policy;
static ScreenPlacement::RowDirection s_row_dir;
static ScreenPlacement::ColumnDirection s_col_dir;
};
#endif // MINOVERLAPPLACEMENT_HH
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