Displays coloured highlights in the display text based on known differences between it and another string (ie that displayed in the cell next to it). Does not affect editing. More...

#include <Tools/Widgets/differencehighlightingstyleditemdelegate.h>

Inheritance diagram for DifferenceHighlightingStyledItemDelegate:

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Public Member Functions
	DifferenceHighlightingStyledItemDelegate (const QBrush &highlightBrush, const QColor &constrastColour, int stringHighlightRole, QObject *parent=nullptr)
	An styled item delegate that colours the display cell of an item to highlight differences between the text displayed and an alternative cell.

	DifferenceHighlightingStyledItemDelegate (int stringHighlightRole, QObject *parent=nullptr)
	An styled item delegate that colours the display cell of an item dark or light grey to highlight differences between the text displayed and an alternative cell.

void	paint (QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const Q_DECL_OVERRIDE

void	setColours (const QBrush &highlightBrush, const QColor &constrastColour)

Protected Member Functions
void	drawVerticalLines (QPainter &painter, const int top, const int left, const int width, const QColor &color, const QVector< int > &columns) const

Detailed Description

The required highlights must have already been calculated and stored in the model data for the item as role stringHighlightRole

See also: TextDifferencer::compareLines

Constructor & Destructor Documentation

◆ DifferenceHighlightingStyledItemDelegate() [1/2]

DifferenceHighlightingStyledItemDelegate	(	const QBrush &	highlightBrush,
		const QColor &	contrastColour,
		int	stringHighlightRole,
		QObject *	parent = `nullptr`
	)

The differences should have already been calculated

See also: TextDifferencer::CompareLines and stored in the item model as role stringHighlightRole

Parameters

highlightBrush	brush to be used to highlight the backround of text in this cell but not the alternate
contrastColour	colour to be used for vertical lines showing where text exists in the alternate cell but not this
stringHighlightRole	Qt::UserRole where the differences should be found
parent	parent widget

◆ DifferenceHighlightingStyledItemDelegate() [2/2]

DifferenceHighlightingStyledItemDelegate	(	int	stringHighlightRole,
		QObject *	parent = `nullptr`
	)

Use this if you need to set up your column delegate before you have colours available

See also: TextDifferencer::CompareLines; setColours

Member Function Documentation

◆ drawVerticalLines()

void drawVerticalLines	(	QPainter &	painter,
		const int	top,
		const int	left,
		const int	width,
		const QColor &	color,
		const QVector< int > &	columns
	)		const

protected

◆ paint()

void paint	(	QPainter *	painter,
		const QStyleOptionViewItem &	option,
		const QModelIndex &	index
	)		const

◆ setColours()

void setColours	(	const QBrush &	highlightBrush,
		const QColor &	constrastColour
	)

Public Member Functions

Protected Member Functions