Okteta::ColumnsView Class Reference

#include <columnsview.h>

Inheritance diagram for Okteta::ColumnsView:

Public Member Functions
	ColumnsView (QWidget *parent=0)
virtual	~ColumnsView ()
PixelY	columnsHeight () const
PixelX	columnsWidth () const
Line	lineAt (PixelY y) const
PixelY	lineHeight () const
LineSize	noOfLines () const
LineSize	noOfLinesPerPage () const
void	setColumnsPos (PixelX x, PixelY y)
QPoint	viewportToColumns (const QPoint &point) const
PixelY	visibleHeight () const
LineRange	visibleLines () const
LineRange	visibleLines (const PixelYRange &yPixels) const
PixelX	visibleWidth () const
PixelX	xOffset () const
PixelY	yOffset () const
PixelY	yOffsetOfLine (Line lineIndex) const

Protected Member Functions
void	addColumn (AbstractColumnRenderer *columnRenderer)
virtual bool	event (QEvent *event)
virtual void	paintEvent (QPaintEvent *paintEvent)
void	removeColumn (AbstractColumnRenderer *columnRenderer)
virtual void	renderColumns (QPainter *painter, int cx, int cy, int cw, int ch)
virtual void	renderEmptyArea (QPainter *painter, int cx, int cy, int cw, int ch)
virtual void	resizeEvent (QResizeEvent *event)
virtual void	scrollContentsBy (int dx, int dy)
virtual void	setLineHeight (PixelY lineHeight)
virtual void	setNoOfLines (LineSize noOfLines)
void	updateColumn (AbstractColumnRenderer &columnRenderer)
void	updateColumn (AbstractColumnRenderer &columnRenderer, const LineRange &lines)
void	updateScrollBars ()
void	updateWidths ()

Detailed Description

general class for widgets with columns that display different aspects of the same data with the same lineheight for all lines

Author

Friedrich W. H. Kossebau

Definition at line 47 of file columnsview.h.

Constructor & Destructor Documentation

Okteta::ColumnsView::ColumnsView ( QWidget *  parent = 0 )

explicit

Definition at line 87 of file columnsview.cpp.

Okteta::ColumnsView::~ColumnsView ( )

virtual

Definition at line 398 of file columnsview.cpp.

Member Function Documentation

void Okteta::ColumnsView::addColumn ( AbstractColumnRenderer *  columnRenderer )

protected

Definition at line 235 of file columnsview.cpp.

PixelY Okteta::ColumnsView::columnsHeight

(

)

const

returns the height of all lines together

Definition at line 117 of file columnsview.cpp.

PixelX Okteta::ColumnsView::columnsWidth

(

)

const

returns the width of all visible columns together

Definition at line 118 of file columnsview.cpp.

bool Okteta::ColumnsView::event ( QEvent *  event )

protectedvirtual

Reimplemented in Okteta::AbstractByteArrayView.

Definition at line 263 of file columnsview.cpp.

Line Okteta::ColumnsView::lineAt

(

PixelY

y

)

const

gives the index of the line that would include y in pixel coord.

y is not forced to be inside the total height.

Definition at line 103 of file columnsview.cpp.

PixelY Okteta::ColumnsView::lineHeight

(

)

const

returns the height of each line

Definition at line 102 of file columnsview.cpp.

LineSize Okteta::ColumnsView::noOfLines

(

)

const

returns the number of all lines

Definition at line 101 of file columnsview.cpp.

LineSize Okteta::ColumnsView::noOfLinesPerPage

(

)

const

returns number of fully visible lines, at least 1 (as needed by page down/up) doesn't care about the total height being smaller than the display height

Definition at line 220 of file columnsview.cpp.

void Okteta::ColumnsView::paintEvent ( QPaintEvent *  paintEvent )

protectedvirtual

Definition at line 279 of file columnsview.cpp.

void Okteta::ColumnsView::removeColumn ( AbstractColumnRenderer *  columnRenderer )

protected

Definition at line 246 of file columnsview.cpp.

void Okteta::ColumnsView::renderColumns ( QPainter *  painter, int  cx, int  cy, int  cw, int  ch  )

protectedvirtual

draws all columns in columns coordinates

Reimplemented in Okteta::ByteArrayColumnView, and Okteta::ByteArrayRowView.

Definition at line 296 of file columnsview.cpp.

void Okteta::ColumnsView::renderEmptyArea ( QPainter *  painter, int  cx, int  cy, int  cw, int  ch  )

protectedvirtual

draws area without columns in columns coordinates

Definition at line 392 of file columnsview.cpp.

void Okteta::ColumnsView::resizeEvent ( QResizeEvent *  event )

protectedvirtual

Reimplemented in Okteta::AbstractByteArrayView.

Definition at line 272 of file columnsview.cpp.

void Okteta::ColumnsView::scrollContentsBy ( int  dx, int  dy  )

protectedvirtual

Definition at line 258 of file columnsview.cpp.

void Okteta::ColumnsView::setColumnsPos	(	PixelX	x,
		PixelY	y
	)

Definition at line 134 of file columnsview.cpp.

void Okteta::ColumnsView::setLineHeight ( PixelY  lineHeight )

protectedvirtual

sets height of all lines and propagates this information to all columns doesn't update the content size

Parameters

lineHeight

height in pixels

Definition at line 152 of file columnsview.cpp.

void Okteta::ColumnsView::setNoOfLines ( LineSize  noOfLines )

protectedvirtual

sets the number of lines doesn't update the content size

Parameters

noOfLines

new number of lines to display

Definition at line 141 of file columnsview.cpp.

void Okteta::ColumnsView::updateColumn ( AbstractColumnRenderer &  columnRenderer )

protected

calls updateContent for the Column

Definition at line 196 of file columnsview.cpp.

void Okteta::ColumnsView::updateColumn ( AbstractColumnRenderer &  columnRenderer, const LineRange &  lines  )

protected

calls updateContent for the Column for the given lines, if needed

Definition at line 202 of file columnsview.cpp.

void Okteta::ColumnsView::updateScrollBars ( )

protected

Definition at line 176 of file columnsview.cpp.

void Okteta::ColumnsView::updateWidths ( )

protected

recalculates the positions of the columns and the total width

Definition at line 168 of file columnsview.cpp.

QPoint Okteta::ColumnsView::viewportToColumns

(

const QPoint &

point

)

const

translates the point to coordinates in the columns

Definition at line 120 of file columnsview.cpp.

PixelY Okteta::ColumnsView::visibleHeight

(

)

const

Returns

visible height of the current view

Definition at line 115 of file columnsview.cpp.

LineRange Okteta::ColumnsView::visibleLines

(

)

const

gives the index of the first and the last line that would be visible these lines might not contain anything

Definition at line 104 of file columnsview.cpp.

LineRange Okteta::ColumnsView::visibleLines

(

const PixelYRange &

yPixels

)

const

gives the index of the first and the last line that would be visible in the given pixel range these lines might not contain anything

Definition at line 109 of file columnsview.cpp.

PixelX Okteta::ColumnsView::visibleWidth

(

)

const

Returns

visible width of the current view

Definition at line 114 of file columnsview.cpp.

PixelX Okteta::ColumnsView::xOffset

(

)

const

Returns

x offset of the current view

Definition at line 126 of file columnsview.cpp.

PixelY Okteta::ColumnsView::yOffset

(

)

const

Returns

y offset of the current view

Definition at line 127 of file columnsview.cpp.

PixelY Okteta::ColumnsView::yOffsetOfLine

(

Line

lineIndex

)

const

Returns

y offset of the current view

Definition at line 128 of file columnsview.cpp.

---

The documentation for this class was generated from the following files:

• columnsview.h
• columnsview.cpp