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Diffstat (limited to 'libkscan/sizeindicator.h')
-rw-r--r-- | libkscan/sizeindicator.h | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/libkscan/sizeindicator.h b/libkscan/sizeindicator.h new file mode 100644 index 00000000..213fe931 --- /dev/null +++ b/libkscan/sizeindicator.h @@ -0,0 +1,98 @@ +/* This file is part of the KDE Project + Copyright (C) 2000 Klaas Freitag <[email protected]> + + 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 SIZEINDICATOR_H +#define SIZEINDICATOR_H + +#define DEFAULT_CRITICAL (3*1024*1024) +#define DEFAULT_THRESHOLD (1*1024*1024) + +class QPainter; +#include <qlabel.h> + +/** + * @short small size indication widget for file sizes + * @author Klaas Freitag + * + * the size indicator is a small widget that displays a file size in a small + * frame. The unit (currently kB and MB) is selected automagically. + * If the file size grows bigger than the threshold set in the constructor, + * the widget starts to change its background color to visualise to the + * user that he is doing something obvious. + */ + +class SizeIndicator: public QLabel +{ + Q_OBJECT + // Q_PROPERTY( KGammaTable *gt READ getGt WRITE setGt ) + +public: + /** + * Creates a size indicator widget. + * @param thres: Threshold, value on that the widget starts to become red. + * @param crit: Critical value, not yet used. + + */ + SizeIndicator( QWidget *parent, long thres = DEFAULT_THRESHOLD, + long crit = DEFAULT_CRITICAL ); + /** + * destructor does not really do much yet. + */ + ~SizeIndicator(); + +public slots: + + /** + * is the slot that sets the file size to display. The widget gets + * updated. + * @param sizeInByte: the size to set. + */ + void setSizeInByte( long ); + + /** + * sets the critical size. + * @param crit: the critical value + */ + void setCritical( long ); + + /** + * sets the threshold value. + * @param thres: the threshold bytesize + */ + void setThreshold( long ); + + +protected: + /** + * reimplemented to display the color + */ + virtual void drawContents( QPainter* ); + +private: + + long sizeInByte; + long critical, threshold; + + double devider; + + class sizeIndicatorPrivate; + sizeIndicatorPrivate *d; +}; + +#endif |