Files
qad/libs/graphic/graphic_ranges.h
peri4 d98e8c1f30 version 2.18.0
add GraphicRanges to graphic library
new graphic_analysis library
2023-07-31 20:17:34 +03:00

88 lines
2.3 KiB
C++

/*
QAD - Qt ADvanced
Ivan Pelipenko peri4ko@yandex.ru
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 3 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 Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef GRAPHIC_RANGES_H
#define GRAPHIC_RANGES_H
#include "graphic.h"
class QAD_GRAPHIC_EXPORT GraphicRanges: public Graphic {
Q_OBJECT
public:
explicit GraphicRanges(QWidget * parent = 0);
~GraphicRanges();
struct QAD_GRAPHIC_EXPORT Range {
Range(double s = 0., double e = 0., QString n = QString(), QColor c = Qt::black) {
start = s;
end = e;
name = n;
color = c;
}
bool isEmpty() const { return qFuzzyIsNull(start - end); }
bool hasColor() const { return color != Qt::black; }
QString name;
QColor color;
double start;
double end;
};
int addRange(double start, double end, QString name, QColor color = Qt::black);
void replaceRange(int index, double start, double end);
Range removeRange(int index);
void clearRanges();
void clearRangesByColor(QColor c);
QList<Range> ranges() const { return ranges_; }
Range rangeAll() const;
Range rangeVisible() const;
bool isRangeRequested() const { return request; }
void setCurrentRange(double start, double end);
void clearCurrentRange();
Range currentRange() const;
void clear();
protected:
void drawRange(QPainter * p, const Range & r, QColor color);
QList<Range> ranges_;
QColor color_, color_cur;
double range_start, range_end;
bool range_sel, request;
private slots:
void onPaintEvent(QPainter * p);
void onMousePressEvent(QPointF p, int b);
void onMouseMoveEvent(QPointF p, int b);
void onMouseReleaseEvent(QPointF p, int b);
public slots:
void rangeRequest();
void cancelRangeRequest(bool with_nav = true);
signals:
void rangeSelected(double start, double end);
};
#endif