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