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80 lines
2.3 KiB
C++
80 lines
2.3 KiB
C++
/*
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* Copyright (C) 2003 by Tomas Pospisek <tpo@sourcepole.ch>
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* 2007 the ktimetracker developers
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the
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* Free Software Foundation, Inc.
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* 51 Franklin Street, Fifth Floor
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* Boston, MA 02110-1301 USA.
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*
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*/
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#ifndef KTIMETRACKER_DESKTOP_TRACKER_H
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#define KTIMETRACKER_DESKTOP_TRACKER_H
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#include <QObject>
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#include <QVector>
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#include "desktoplist.h"
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class Task;
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#include <QTimer>
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typedef QVector<Task *> TaskVector;
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const int maxDesktops = 20;
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/** A utility to associate tasks with desktops
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* As soon as a desktop is activated/left - an signal is emitted for
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* each task tracking that all tasks that want to track that desktop
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*/
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class DesktopTracker : public QObject
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{
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Q_OBJECT
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public:
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DesktopTracker();
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/**
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* Start time tracking of tasks by virtual desktop.
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*
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* @returns A QString with the error message, in case of no error an empty QString.
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*
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*/
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QString startTracking();
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void registerForDesktops( Task* task, DesktopList dl );
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int desktopCount() const { return mDesktopCount; }
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private: // member variables
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// define vectors for at most 16 virtual desktops
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// E.g.: desktopTrackerStop[3] contains a vector with
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// all tasks to be notified, when switching to/from desk 3.
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TaskVector mDesktopTracker[maxDesktops];
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int mPreviousDesktop;
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int mDesktopCount;
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int mDesktop;
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QTimer *mTimer;
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Q_SIGNALS:
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void reachedActiveDesktop( Task* task );
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void leftActiveDesktop( Task* task );
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public Q_SLOTS:
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void handleDesktopChange( int desktop );
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private Q_SLOTS:
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void changeTimers();
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};
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#endif // KTIMETRACKER_DESKTOP_TRACKER_H
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