// HeadArea.cc for Fluxbox Window Manager // Copyright (c) 2004 Mathieu De Zutter (mathieu at dezutter.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. #include "HeadArea.hh" #include "Strut.hh" #include <algorithm> #include <iostream> HeadArea::HeadArea() : m_available_workspace_area(new Strut(0,0,0,0,0)) { } Strut *HeadArea::requestStrut(int head, int left, int right, int top, int bottom, Strut* next) { Strut *str = new Strut(head, left, right, top, bottom, next); m_strutlist.push_back(str); return str; } void HeadArea::clearStrut(Strut *str) { if (str == 0) return; // find strut and erase it std::list<Strut *>::iterator pos = find(m_strutlist.begin(), m_strutlist.end(), str); if (pos == m_strutlist.end()) { std::cerr << "clearStrut() failed because the strut was not found" << std::endl; return; } m_strutlist.erase(pos); delete str; } /// helper class for for_each in HeadArea::updateAvailableWorkspaceArea() namespace { class MaxArea { public: MaxArea(Strut &max_area):m_available_workspace_area(max_area) { } void operator ()(const Strut *str) { static int left, right, bottom, top; left = std::max(m_available_workspace_area.left(), str->left()); right = std::max(m_available_workspace_area.right(), str->right()); bottom = std::max(m_available_workspace_area.bottom(), str->bottom()); top = std::max(m_available_workspace_area.top(), str->top()); m_available_workspace_area = Strut(0, left, right, top, bottom); } private: Strut &m_available_workspace_area; }; } // end anonymous namespace bool HeadArea::updateAvailableWorkspaceArea() { // find max of left, right, top and bottom and set avaible workspace area // clear old area Strut oldarea = *(m_available_workspace_area.get()); m_available_workspace_area.reset(new Strut(0, 0, 0, 0, 0)); // calculate max area for_each(m_strutlist.begin(), m_strutlist.end(), MaxArea(*m_available_workspace_area.get())); // only notify if the area changed return !(oldarea == *(m_available_workspace_area.get())); }