ResInsight/ApplicationLibCode/UserInterface/RiuAbstractLegendFrame.h
2021-01-11 15:27:45 +01:00

83 lines
2.6 KiB
C++

/////////////////////////////////////////////////////////////////////////////////
//
// Copyright (C) 2019- Equinor ASA
//
// ResInsight 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 3 of the License, or
// (at your option) any later version.
//
// ResInsight 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 at <http://www.gnu.org/licenses/gpl.html>
// for more details.
//
/////////////////////////////////////////////////////////////////////////////////
#pragma once
#include "RiuAbstractOverlayContentFrame.h"
#include <QFrame>
#include <QString>
class RiuAbstractLegendFrame : public RiuAbstractOverlayContentFrame
{
Q_OBJECT
public:
RiuAbstractLegendFrame( QWidget* parent, const QString& title );
QSize sizeHint() const override;
QSize minimumSizeHint() const override;
void renderTo( QPainter* painter, const QRect& targetRect ) override;
protected:
struct LayoutInfo
{
LayoutInfo( const QSize& size )
{
charHeight = 0;
charAscent = 0;
lineSpacing = 0;
margins = QMargins( 0, 0, 0, 0 );
tickEndX = 0;
tickStartX = 0;
tickMidX = 0;
tickTextLeadSpace = 5;
overallLegendSize = size;
}
int charHeight;
int charAscent;
int lineSpacing;
QMargins margins;
int tickStartX, tickMidX, tickEndX;
int tickTextLeadSpace;
QRect colorBarRect;
std::vector<int> tickYPixelPos;
QSize overallLegendSize;
};
void paintEvent( QPaintEvent* e ) override;
std::vector<std::pair<QRect, QString>> visibleLabels( const LayoutInfo& layout ) const;
private:
virtual void layoutInfo( LayoutInfo* layout ) const = 0;
virtual QString label( int index ) const = 0;
virtual QRect labelRect( const LayoutInfo& layout, int index ) const = 0;
virtual int labelCount() const = 0;
virtual int rectCount() const = 0;
virtual void renderRect( QPainter* painter, const LayoutInfo& layout, int rectIndex ) const = 0;
protected:
QString m_title;
};