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+/*
+ * This file is part of the KDE Libraries
+ * Copyright (C) 2002 Hamish Rodda <rodda@kde.org>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public License
+ * along with this library; see the file COPYING.LIB. If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ *
+ */
+#ifndef _KTIMERDIALOG_H_
+#define _KTIMERDIALOG_H_
+
+#include <kdialogbase.h>
+
+class QTimer;
+class QHBox;
+class QProgressBar;
+class QLabel;
+
+/**
+ * Provides a dialog that is only available for a specified amount
+ * of time, and reports the time remaining to the user.
+ *
+ * The timer is capable of counting up or down, for any number of milliseconds.
+ *
+ * The button which is activated upon timeout can be specified, as can the
+ * update interval for the dialog box.
+ *
+ * In addition, this class retains all of the functionality of @see KDialogBase .
+ *
+ * @short A dialog with a time limit and corresponding UI features.
+ * @author Hamish Rodda <rodda@kde.org>
+ */
+class KTimerDialog : public KDialogBase
+{
+ Q_OBJECT
+
+ public:
+
+ /**
+ * @li @p CountDown - The timer counts downwards from the seconds given.
+ * @li @p CountUp - The timer counts up to the number of seconds given.
+ * @li @p Manual - The timer is not invoked; the caller must update the
+ * progress.
+ */
+ enum TimerStyle
+ {
+ CountDown,
+ CountUp,
+ Manual
+ };
+
+ /**
+ * Constructor for the standard mode where you must specify the main
+ * widget with @ref setMainWidget() . See @see KDialogBase for further details.
+ *
+ * For the rest of the arguments, See @see KDialogBase .
+ */
+ KTimerDialog( int msec, TimerStyle style=CountDown, QWidget *parent=0,
+ const char *name=0, bool modal=true,
+ const QString &caption=QString::null,
+ int buttonMask=Ok|Apply|Cancel, ButtonCode defaultButton=Ok,
+ bool separator=false,
+ const KGuiItem &user1=KGuiItem(),
+ const KGuiItem &user2=KGuiItem(),
+ const KGuiItem &user3=KGuiItem() );
+
+ /**
+ * Destructor.
+ */
+ ~KTimerDialog();
+
+ /**
+ * Execute the dialog modelessly - see @see QDialog .
+ */
+ virtual void show();
+
+ /**
+ * Set the refresh interval for the timer progress. Defaults to one second.
+ */
+ void setRefreshInterval( int msec );
+
+ /**
+ * Retrieves the @ref ButtonCode which will be activated once the timer
+ * times out. @see setTimeoutButton
+ */
+ int timeoutButton() const;
+
+ /**
+ * Sets the @ref ButtonCode to determine which button will be activated
+ * once the timer times out. @see timeoutButton
+ */
+ void setTimeoutButton( ButtonCode newButton );
+
+ /**
+ * Retrieves the current @ref TimerStyle. @see setTimerStyle
+ */
+ int timerStyle() const;
+
+ /**
+ * Sets the @ref TimerStyle. @see timerStyle
+ */
+ void setTimerStyle( TimerStyle newStyle );
+
+ /**
+ * Overridden function which is used to set the main widget of the dialog.
+ * @see KDialogBase::setMainWidget.
+ */
+ void setMainWidget( QWidget *widget );
+
+ signals:
+ /**
+ * Signal which is emitted once the timer has timed out.
+ */
+ void timerTimeout();
+
+ public slots:
+ /**
+ * Execute the dialog modally - see @see QDialog .
+ */
+ int exec();
+
+ private slots:
+ /**
+ * Updates the dialog with the current progress levels.
+ */
+ void slotUpdateTime( bool update = true );
+
+ /**
+ * The internal
+ */
+ void slotInternalTimeout();
+
+ private:
+ /**
+ * Prepares the layout that manages the widgets of the dialog
+ */
+ void setupLayout();
+
+ QTimer *totalTimer;
+ QTimer *updateTimer;
+ int msecRemaining, updateInterval, msecTotal;
+
+ ButtonCode buttonOnTimeout;
+ TimerStyle tStyle;
+
+ QHBox *timerWidget;
+ QProgressBar *timerProgress;
+ QLabel *timerLabel;
+ QVBox *mainWidget;
+
+ class KTimerDialogPrivate;
+ KTimerDialogPrivate *d;
+};
+
+#endif
+
+
+