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402 lines
12 KiB
402 lines
12 KiB
/* This file is part of the KDE libraries
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Copyright (C) 1996 Martynas Kunigelis
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License version 2 as published by the Free Software Foundation.
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This library 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 GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 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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* *
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* KProgress -- progress indicator widget for KDE *
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* Original QRangeControl-based version written by Martynas Kunigelis *
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* Current TQProgressBar based version by Aaron Seigo *
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* *
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*****************************************************************************/
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#ifndef _KPROGRESS_H
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#define _KPROGRESS_H "$Id$"
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#include <tqprogressbar.h>
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#include <kdialogbase.h>
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/**
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* @short A progress indicator widget.
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*
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* KProgress is derived from TQProgressBar, so
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* you can use all the methods from that class. The only real difference
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* is that a signal is emitted on changes to the value and you do not need
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* to subclass KProgress just to change the format of the indicator text.
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*
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* \b Details \n
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*
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* \image html kprogress.png "KDE Progress Widget"
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*
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* @author Aaron Seigo
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*/
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class KDEUI_EXPORT KProgress : public QProgressBar
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{
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Q_OBJECT
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public:
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/**
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* Construct a progress bar.
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*/
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KProgress(TQWidget *parent=0, const char *name=0, WFlags f = 0);
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/**
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* Construct a progress bar with a total number of steps.
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* The totalSteps is the total number of steps that need to be completed for the operation which this progress
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* bar represents. For example, if the operation is to examine 50 files, this value would be 50. Before examining
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* the first file, call setProgress(0); call setProgress(50) after examining the last file.
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*/
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KProgress(int totalSteps, TQWidget *parent=0, const char *name=0, WFlags f = 0);
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/**
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* Destruct the progress bar.
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*/
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~KProgress();
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/**
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* If this is set to @p true, the progress text will be displayed.
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*
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*/
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void setTextEnabled(bool);
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/**
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* @deprecated Retrieves the current status, use progress() instead
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*
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* @see setValue()
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*/
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// ### Remove this KDE 4.0
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int value() const KDE_DEPRECATED;
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/**
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* Returns @p true if progress text will be displayed,
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* @p false otherwise.
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*
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* @see setFormat()
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*/
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bool textEnabled() const;
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/**
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* Retrieve the current format for printing status text.
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* @see setFormat()
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*/
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TQString format() const;
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/**
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* @deprecated but kept for source compatibility with KDE2's KProgress.
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* Use setTotalSteps() instead
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*/
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// ### Remove this KDE 4.0
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void setRange(int min, int max) KDE_DEPRECATED;
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/**
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* @deprecated Use totalSteps() instead
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*/
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// ### Remove this KDE 4.0
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int maxValue() KDE_DEPRECATED;
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public slots:
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/**
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* Set the format of the text to use to display status.
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*
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* The default format is "%p%" (which looks like "42%".)
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*
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* Note: Setting the format to anything other then "%p%" will force centerIndicator to true,
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* since it's often impossible to tqlayout a progressbar with a more general format with the
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* indicator string anywhere else.
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*
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* @param format "%p" is tqreplaced by percentage done, "%v" is tqreplaced by actual
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* value, "%m" is tqreplaced by the maximum value.
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*/
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void setFormat(const TQString & format);
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/**
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* Set the current total number of steps in the action that the progress bar
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* is representing.
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*/
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void setTotalSteps(int totalSteps);
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/**
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* Set the current value of the progress bar to @p progress.
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*/
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virtual void setProgress(int progress);
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/**
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* @deprecated Use setProgress(int) instead
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*/
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// ### Remove this KDE 4.0
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void setValue(int progress);
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/**
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* Advance the progress bar by @p offset.
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*
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* This method is
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* provided for convenience and is equivalent with
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* setProgress(progress()+offset).
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*/
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virtual void advance(int offset);
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signals:
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/**
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* Emitted when the state of the progress bar changes.
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*/
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void percentageChanged(int);
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protected:
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virtual bool setIndicator(TQString & indicator, int progress, int totalSteps);
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private:
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TQString mFormat;
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protected:
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virtual void virtual_hook( int id, void* data );
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private:
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class KProgressPrivate;
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KProgressPrivate *d;
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};
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/**
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* KProgressDialog provides a dialog with a text label, a progress bar
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* and an optional cancel button with a KDE look 'n feel.
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*
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* Since knowing how long it can take to complete an action and it is
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* undesirable to show a dialog for a split second before hiding it,
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* there are a few ways to control the timing behavior of KProgressDialog.
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* There is a time out that can be set before showing the dialog as well
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* as an option to autohide or keep displaying the dialog once complete.
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*
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* All the functionality of KProgress is available through direct access
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* to the progress bar widget via progressBar();
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*
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* @short A dialog with a progress bar
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* @author Aaron J. Seigo
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*/
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class KDEUI_EXPORT KProgressDialog : public KDialogBase
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{
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Q_OBJECT
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public:
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/**
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* Constructs a KProgressDialog
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*
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* @param parent Parent of the widget
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* @param name Widget name
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* @param caption Text to display in window title bar
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* @param text Text to display in the dialog
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* @param modal Set to true to make the dialog modal
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*/
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KProgressDialog(TQWidget* parent = 0, const char* name = 0,
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const TQString& caption = TQString::null,
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const TQString& text = TQString::null,
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bool modal = false);
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/**
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* Destructor
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*/
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~KProgressDialog();
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/**
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* Returns the KProgress used in this dialog.
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* To set the number of steps or other progress bar related
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* settings, access the KProgress object directly via this method.
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*/
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KProgress* progressBar();
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/**
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* Returns the KProgress used in this dialog.
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* To set the number of steps or other progress bar related
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* settings, access the KProgress object directly via this method.
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*/
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const KProgress* progressBar() const;
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/**
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* Sets the text in the dialog
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*
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* @param text the text to display
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*/
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void setLabel(const TQString & text);
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/**
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* Returns the current dialog text
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* @deprecated
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*/
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// ### Remove this KDE 4.0
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TQString labelText() KDE_DEPRECATED;
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/**
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* Returns the current dialog text
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*/
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TQString labelText() const;
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/**
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* Sets whether or not the user can cancel the process.
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* If the dialog is cancellable, the Cancel button will be shown
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* and the user can close the window using the window decorations.
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* If the process is not (or should not be) interuptable,
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* set the dialog to be modal and not cancellable.
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*
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* @param allowCancel Set to true to make the dialog non-closable
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*/
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void setAllowCancel(bool allowCancel);
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/**
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* Returns true if the dialog can be canceled, false otherwise
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* @deprecated
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*/
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// ### Remove this KDE 4.0
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bool allowCancel() KDE_DEPRECATED;
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/**
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* Returns true if the dialog can be canceled, false otherwise
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*/
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bool allowCancel() const;
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/**
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* Sets whether the cancel button is visible. setAllowCancel(false)
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* implies showCancelButton(false)
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*
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* @param show Whether or not the cancel button should be shown
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*/
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void showCancelButton(bool show);
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/**
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* Sets whether the dialog should close automagically when
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* all the steps in the KProgress have been completed.
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*/
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void setAutoClose(bool close);
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/**
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* Returns true if the dialog will close upon completion,
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* or false otherwise
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*/
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// ### Remove this KDE 4.0
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bool autoClose();
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/**
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* Returns true if the dialog will close upon completion,
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* or false otherwise
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*/
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bool autoClose() const;
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/**
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* Sets whether the dialog should reset the KProgress dialog
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* back to 0 steps compelete when all steps have been completed.
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* This is useful for KProgressDialogs that will be reused.
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*/
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void setAutoReset(bool autoReset);
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/**
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* Returns true if the KProgress widget will be reset
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* upon completion, or false otherwise
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*/
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// ### Remove this KDE 4.0
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bool autoReset();
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/**
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* Returns true if the KProgress widget will be reset
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* upon completion, or false otherwise
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*/
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bool autoReset() const;
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/**
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* Returns true if the dialog was closed or canceled
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* before completion. If the dialog is not cancellable
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* it will always return false.
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*/
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// ### Remove this KDE 4.0
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bool wasCancelled();
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/**
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* Returns true if the dialog was closed or canceled
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* before completion. If the dialog is not cancellable
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* it will always return false.
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*/
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bool wasCancelled() const;
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/**
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* Ignores the last cancel action if the cancel button was
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* pressed. Useful for kdialog when combined with a KMessageBox
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* to display a message like "Are you sure you want to cancel?"
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* @since 3.5.5
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*/
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void ignoreCancel();
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/**
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* Sets the text to appear on the cancel button.
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*/
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void setButtonText(const TQString&);
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/**
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* Returns the text on the cancel button
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* @deprecated
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*/
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// ### Remove this KDE 4.0
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TQString buttonText() KDE_DEPRECATED;
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/**
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* Returns the text on the cancel button
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*/
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TQString buttonText() const;
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/**
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* Set the minimum number of milliseconds to wait before
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* actually showing the dialog
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*/
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void setMinimumDuration(int ms);
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/**
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* Returns the wait duration in milliseconds
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* @deprecated
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*/
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// ### Remove this KDE 4.0
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int minimumDuration() KDE_DEPRECATED;
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/**
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* Returns the wait duration in milliseconds
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*/
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int minimumDuration() const;
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/**
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* Reimplemented for internal reasons, the API is not affected.
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*/
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virtual void show();
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protected slots:
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void slotAutoShow();
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void slotAutoActions(int percentage);
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void slotCancel();
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private:
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// ### Move these member variables to d in KDE 4.0
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bool mAutoClose;
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bool mAutoReset;
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bool mCancelled;
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bool mAllowCancel;
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bool mShown;
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TQString mCancelText;
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TQLabel* mLabel;
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KProgress* mProgressBar;
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TQTimer* mShowTimer;
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int mMinDuration;
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protected:
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virtual void virtual_hook( int id, void* data );
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private:
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struct KProgressDialogPrivate;
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KProgressDialogPrivate *d;
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};
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#endif
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