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qtiplot
src
plot2D
CanvasPicker.h
Go to the documentation of this file.
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/***************************************************************************
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File : CanvasPicker.h
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Project : QtiPlot
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--------------------------------------------------------------------
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Copyright : (C) 2006 by Ion Vasilief
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Email (use @ for *) : ion_vasilief*yahoo.fr
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Description : Canvas picker
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***************************************************************************/
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/***************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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* This program 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 *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the Free Software *
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* 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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#include <QObject>
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#include <QPoint>
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#include <QMouseEvent>
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class
Graph
;
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class
ArrowMarker
;
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class
CanvasPicker
:
public
QObject
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{
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Q_OBJECT
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public
:
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CanvasPicker
(
Graph
*
plot
);
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virtual
bool
eventFilter
(QObject *, QEvent *);
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void
selectPoints
(
int
n);
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void
selectPeak
(
const
QPoint& p);
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void
disableEditing
();
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private
:
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void
drawLineMarker
(
const
QPoint&,
bool
endArrow);
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bool
selectMarker
(
const
QMouseEvent *e);
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Graph
*
plot
(){
return
(
Graph
*)parent();};
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QPoint
startLinePoint
,
endLinePoint
;
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signals:
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void
showPlotDialog
(
int
);
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void
viewLineDialog
();
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void
showMarkerPopupMenu
();
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void
modified
();
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private
:
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bool
pointSelected
;
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ArrowMarker
*
d_editing_marker
;
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};
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