From 2bda8f7717adf28da4af0d34fb82f63d2868c31d Mon Sep 17 00:00:00 2001 From: toma Date: Wed, 25 Nov 2009 17:56:58 +0000 Subject: Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features. BUG:215923 git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdeutils@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da --- ksim/library/chart.h | 184 +++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 184 insertions(+) create mode 100644 ksim/library/chart.h (limited to 'ksim/library/chart.h') diff --git a/ksim/library/chart.h b/ksim/library/chart.h new file mode 100644 index 0000000..55f4426 --- /dev/null +++ b/ksim/library/chart.h @@ -0,0 +1,184 @@ +/* ksim - a system monitor for kde + * + * Copyright (C) 2001 Robbie Ward + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program 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 General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + */ + +#ifndef KSIM__CHART_H +#define KSIM__CHART_H + +#include +#include "common.h" + +#include + +class QColor; + +namespace KSim +{ + /** + * provides a graph displaying data onscreen using gkrellm themes + * @author Robbie Ward + */ + class KDE_EXPORT Chart : public QWidget, public KSim::Base + { + Q_OBJECT + public: + enum DataType { DataIn = 0, DataOut }; + enum LabelType { Label = 0, Progress, Led }; + /** + * Constructs a KSim::Chart. + * + * @param displayMeter is if the krellbar should be shown + * @param minValue is the minimum value to show + * @param maxValue is the maximum value to show + * @param title is the title off the krell bar (if enabled) + * @param parent is the parent widget + */ + Chart(bool displayMeter, int maxValue, + const QString &title, QWidget *parent, + const char *name = 0, WFlags fl = 0); + /** + * Constructs a KSim::Chart. + * + * @param showKrell is if the krellbar should be shown + * @param minValue is the minimum value to show + * @param maxValue is the maximum value to show + * @param parent is the parent widget + */ + Chart(bool displayMeter, int maxValue, + QWidget *parent, const char *name = 0, + WFlags fl = 0); + /** + * destructs KSim::Chart + */ + virtual ~Chart(); + + /** + * returns the current text of the chart + */ + const QString &text(DataType type) const; + /** + * @return the title of the chart + */ + const QString &title() const; + /** + * @return true if the meter is enabled + */ + bool displayMeter() const; + /** + * @return the minimum value + */ + int minValue() const; + /** + * @return the minimum value + */ + int maxValue() const; + /** + * @return the current value + */ + int value(DataType dataType) const; + /** + * sets the type of the label that will appear under the graph + */ + void setLabelType(LabelType labelType); + /** + * @return the current label type, one of: Label, Progress, Led + */ + LabelType labelType() const; + + /** + * reimplemented for internal reasons + */ + virtual void configureObject(bool repaintWidget = true); + + /** + * reimplemented for internal reasons + */ + QSize sizeHint() const; + /** + * reimplemented for internal reasons + */ + QSize minimumSizeHint() const; + + void disableAutomaticUpdates(); + + public slots: + /** + * Cleats the graphs contents + */ + void clear(); + /** + * sets the title of the chart, this function returns if + * the optional krell widget is disabled + */ + void setTitle(const QString &); + /** + * turns the meter on and off + */ + void setDisplayMeter(bool); + /** + * sets the current text that apears in the top left hand corner + */ + void setText(const QString &in, const QString &out = QString::null); + /** + * Sets the minimum value the graph will display + */ + void setMinValue(int); + /** + * Sets the maximum value the graph will display + */ + void setMaxValue(int); + /** + * sets the value of the graph + */ + void setValue(int valueIn, int valueOut = 0); + + protected: + /** + * Set the config values depending on the chart type + */ + void setConfigValues(); + /** + * reimplemented for internal reasons + */ + virtual void extraTypeCall(); + + QColor chartColour(const DataType &dataType, int x = 1, int y = 1) const; + virtual void paintEvent(QPaintEvent *); + virtual void fontChange(const QFont &); + virtual void resizeEvent(QResizeEvent *re); + + protected slots: + void updateDisplay(); + + private: + void buildPixmaps(); + int yLocation(int) const; + void drawChart(); + QSize chartSize() const; + QBitmap drawMask(QPainter *); + void drawIn(QPainter *, int, int, bool = false); + void drawOut(QPainter *, int, int, bool = false); + int range(int) const; + void init(bool, int, const QString &); + + class Timer; + class Private; + Private *d; + }; +} +#endif -- cgit v1.2.1