QtiPlot 0.9.7.3
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00001 /*************************************************************************** 00002 File : DataPickerTool.h 00003 Project : QtiPlot 00004 -------------------------------------------------------------------- 00005 Copyright : (C) 2006,2007 by Ion Vasilief, Knut Franke 00006 Email (use @ for *) : ion_vasilief*yahoo.fr, knut.franke*gmx.de 00007 Description : Plot tool for selecting individual points of a curve. 00008 00009 ***************************************************************************/ 00010 00011 /*************************************************************************** 00012 * * 00013 * This program is free software; you can redistribute it and/or modify * 00014 * it under the terms of the GNU General Public License as published by * 00015 * the Free Software Foundation; either version 2 of the License, or * 00016 * (at your option) any later version. * 00017 * * 00018 * This program is distributed in the hope that it will be useful, * 00019 * but WITHOUT ANY WARRANTY; without even the implied warranty of * 00020 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * 00021 * GNU General Public License for more details. * 00022 * * 00023 * You should have received a copy of the GNU General Public License * 00024 * along with this program; if not, write to the Free Software * 00025 * Foundation, Inc., 51 Franklin Street, Fifth Floor, * 00026 * Boston, MA 02110-1301 USA * 00027 * * 00028 ***************************************************************************/ 00029 #ifndef DATA_PICKER_TOOL_H 00030 #define DATA_PICKER_TOOL_H 00031 00032 #include "PlotToolInterface.h" 00033 #include <qwt_plot_marker.h> 00034 #include <qwt_plot_picker.h> 00035 00036 class ApplicationWindow; 00037 class QwtPlotCurve; 00038 class QPoint; 00039 00041 class DataPickerTool : public QwtPlotPicker, public PlotToolInterface 00042 { 00043 Q_OBJECT 00044 public: 00045 enum Mode { Display, Move, Remove, MoveCurve}; 00046 enum MoveMode {Free, Vertical, Horizontal}; 00047 DataPickerTool(Graph *graph, ApplicationWindow *app, Mode mode, const QObject *status_target=NULL, const char *status_slot=""); 00048 virtual ~DataPickerTool(); 00049 virtual bool eventFilter(QObject *obj, QEvent *event); 00050 bool keyEventFilter(QKeyEvent *ke); 00051 QwtPlotCurve *selectedCurve() const { return d_selected_curve; } 00052 void setSelectedCurve(QwtPlotCurve *c){if (c) setSelection(c, 0);}; 00053 int selectedPointIndex(){return d_selected_point;}; 00054 00055 void copySelection(); 00056 void cutSelection(); 00057 void pasteSelection(); 00058 void removePoint(); 00059 00061 Mode mode(){return d_mode;}; 00062 void setMode(Mode m){d_mode = m;}; 00063 00065 int findClosestPoint(QwtPlotCurve *c, double x, bool up); 00066 00067 virtual int rtti() const {return PlotToolInterface::Rtti_DataPicker;}; 00068 00069 void selectTableRow(); 00070 00071 ApplicationWindow *applicationWindow(){return d_app;}; 00072 00073 public slots: 00074 void pasteSelectionAsLayerText(); 00075 00076 signals: 00081 void statusText(const QString&); 00083 void selected(QwtPlotCurve*, int); 00084 protected: 00085 void movePoint(const QPoint &cursor); 00086 virtual void append(const QPoint &point); 00087 virtual void move(const QPoint &point); 00088 virtual bool end(bool ok); 00089 virtual void setSelection(QwtPlotCurve *curve, int point_index); 00090 void moveBy(int dx, int dy); 00091 00092 ApplicationWindow *d_app; 00093 QwtPlotMarker d_selection_marker; 00094 Mode d_mode; 00095 QwtPlotCurve *d_selected_curve; 00096 int d_selected_point; 00097 MoveMode d_move_mode; 00098 QPoint d_restricted_move_pos; 00099 }; 00100 00102 class BaselineTool : public DataPickerTool 00103 { 00104 Q_OBJECT 00105 00106 public: 00107 BaselineTool(QwtPlotCurve *curve, Graph *graph, ApplicationWindow *app); 00108 00109 protected: 00110 void setSelection(QwtPlotCurve *curve, int point_index); 00111 }; 00112 00113 #endif // ifndef DATA_PICKER_TOOL_H 00114