#include <viewitem.hpp>

Inheritance diagram for pv::view::ViewItem:

Collaboration diagram for pv::view::ViewItem:

Public Member Functions
	ViewItem ()

virtual bool	enabled () const =0

bool	selected () const

virtual void	select (bool select=true)

virtual bool	is_draggable () const

bool	dragging () const

void	drag ()

virtual void	drag_release ()

virtual void	drag_by (const QPoint &delta)=0

virtual QPoint	point (const QRect &rect) const =0

virtual QRectF	label_rect (const QRectF &rect) const

virtual QRectF	hit_box_rect (const ViewItemPaintParams &pp) const

virtual void	paint_label (QPainter &p, const QRect &rect, bool hover)

virtual void	paint_back (QPainter &p, const ViewItemPaintParams &pp)

virtual void	paint_mid (QPainter &p, const ViewItemPaintParams &pp)

virtual void	paint_fore (QPainter &p, const ViewItemPaintParams &pp)

virtual QMenu *	create_context_menu (QWidget *parent)

virtual pv::widgets::Popup *	create_popup (QWidget *parent)

virtual void	delete_pressed ()

Static Public Member Functions
static QColor	select_text_colour (QColor background)

Static Public Attributes
static const QSizeF	LabelPadding

static const int	HighlightRadius = 3

Static Protected Member Functions
static QPen	highlight_pen ()

Protected Attributes
QWidget *	context_parent_

QPoint	drag_point_

Private Attributes
bool	selected_

Detailed Description

Definition at line 44 of file viewitem.hpp.

Constructor & Destructor Documentation

pv::view::ViewItem::ViewItem ( )

Definition at line 35 of file viewitem.cpp.

Member Function Documentation

QMenu * pv::view::ViewItem::create_context_menu ( QWidget * parent )

virtual

Reimplemented in pv::view::DecodeTrace, pv::view::TraceGroup, pv::view::Trace, pv::view::Signal, and pv::view::Flag.

Definition at line 85 of file viewitem.cpp.

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widgets::Popup * pv::view::ViewItem::create_popup ( QWidget * parent )

virtual

Reimplemented in pv::view::TimeMarker, pv::view::TraceGroup, pv::view::Trace, pv::view::CursorPair, and pv::view::Flag.

Definition at line 91 of file viewitem.cpp.

void pv::view::ViewItem::delete_pressed ( )

virtual

Reimplemented in pv::view::DecodeTrace, pv::view::Signal, and pv::view::Flag.

Definition at line 97 of file viewitem.cpp.

void pv::view::ViewItem::drag ( )

Sets this item into the dragged state.

Definition at line 62 of file viewitem.cpp.

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virtual void pv::view::ViewItem::drag_by ( const QPoint & delta )

pure virtual

Drags the item to a delta relative to the drag point.

Parameters

delta the offset from the drag point.

Implemented in pv::view::TraceTreeItem, pv::view::SignalScaleHandle, and pv::view::TimeItem.

void pv::view::ViewItem::drag_release ( )

virtual

Sets this item into the un-dragged state.

Reimplemented in pv::view::SignalScaleHandle.

Definition at line 68 of file viewitem.cpp.

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bool pv::view::ViewItem::dragging ( ) const

Returns true if the item is being dragged.

Definition at line 57 of file viewitem.cpp.

virtual bool pv::view::ViewItem::enabled ( ) const

pure virtual

Returns true if the item is visible and enabled.

Implemented in pv::view::DecodeTrace, pv::view::Signal, pv::view::Flag, pv::view::Cursor, pv::view::CursorPair, pv::view::TriggerMarker, pv::view::TraceGroup, and pv::view::SignalScaleHandle.

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QPen pv::view::ViewItem::highlight_pen ( )

staticprotected

Definition at line 101 of file viewitem.cpp.

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QRectF pv::view::ViewItem::hit_box_rect ( const ViewItemPaintParams & pp ) const

virtual

Computes the outline rectangle of the viewport hit-box.

Parameters

rect	the rectangle of the viewport area.

Returns: Returns the rectangle of the hit-box.

Remarks: The default implementation returns an empty hit-box.

Reimplemented in pv::view::TimeMarker, and pv::view::SignalScaleHandle.

Definition at line 79 of file viewitem.cpp.

bool pv::view::ViewItem::is_draggable ( ) const

virtual

Returns true if the item may be dragged/moved.

Reimplemented in pv::view::TriggerMarker.

Definition at line 52 of file viewitem.cpp.

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QRectF pv::view::ViewItem::label_rect ( const QRectF & rect ) const

virtual

Computes the outline rectangle of a label.

Parameters

rect	the rectangle of the header area.

Returns: Returns the rectangle of the signal label.

Remarks: The default implementation returns an empty rectangle.

Reimplemented in pv::view::Trace, pv::view::TraceGroup, pv::view::TimeMarker, pv::view::CursorPair, and pv::view::Cursor.

Definition at line 73 of file viewitem.cpp.

void pv::view::ViewItem::paint_back	(	QPainter &	p,
		const ViewItemPaintParams &	pp
	)

virtual

Paints the background layer of the item with a QPainter

Parameters

p	the QPainter to paint into.
pp	the painting parameters object to paint with.

Reimplemented in pv::view::Trace, pv::view::DecodeTrace, pv::view::CursorPair, pv::view::AnalogSignal, and pv::view::Signal.

Definition at line 115 of file viewitem.cpp.

void pv::view::ViewItem::paint_fore	(	QPainter &	p,
		const ViewItemPaintParams &	pp
	)

virtual

Paints the foreground layer of the item with a QPainter

Parameters

p	the QPainter to paint into.
pp	the painting parameters object to paint with.

Reimplemented in pv::view::DecodeTrace, pv::view::TimeMarker, pv::view::LogicSignal, pv::view::SignalScaleHandle, and pv::view::TriggerMarker.

Definition at line 127 of file viewitem.cpp.

void pv::view::ViewItem::paint_label	(	QPainter &	p,
		const QRect &	rect,
		bool	hover
	)

virtual

Paints the signal label.

Parameters

p	the QPainter to paint into.
rect	the rectangle of the header area.
hover	true if the label is being hovered over by the mouse.

Reimplemented in pv::view::TimeMarker, pv::view::Trace, pv::view::CursorPair, and pv::view::TraceGroup.

Definition at line 108 of file viewitem.cpp.

void pv::view::ViewItem::paint_mid	(	QPainter &	p,
		const ViewItemPaintParams &	pp
	)

virtual

Paints the mid-layer of the item with a QPainter

Parameters

p	the QPainter to paint into.
pp	the painting parameters object to paint with.

Reimplemented in pv::view::DecodeTrace, pv::view::LogicSignal, and pv::view::AnalogSignal.

Definition at line 121 of file viewitem.cpp.

virtual QPoint pv::view::ViewItem::point ( const QRect & rect ) const

pure virtual

Get the drag point.

Parameters

rect	the rectangle of the widget area.

Implemented in pv::view::TraceTreeItem, pv::view::TimeMarker, pv::view::CursorPair, pv::view::SignalScaleHandle, and pv::view::TriggerMarker.

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void pv::view::ViewItem::select ( bool select = true )

virtual

Selects or deselects the signal.

Reimplemented in pv::view::TraceTreeItem, and pv::view::SignalScaleHandle.

Definition at line 47 of file viewitem.cpp.

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QColor pv::view::ViewItem::select_text_colour ( QColor background )

static

Gets the text colour.

Remarks: This colour is computed by comparing the lightness of the trace colour against a threshold to determine whether white or black would be more visible.

Definition at line 133 of file viewitem.cpp.

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bool pv::view::ViewItem::selected ( ) const

Returns true if the item has been selected by the user.

Definition at line 42 of file viewitem.cpp.

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Member Data Documentation

QWidget* pv::view::ViewItem::context_parent_

protected

Definition at line 168 of file viewitem.hpp.

QPoint pv::view::ViewItem::drag_point_

protected

Definition at line 169 of file viewitem.hpp.

const int pv::view::ViewItem::HighlightRadius = 3

static

Definition at line 50 of file viewitem.hpp.

const QSizeF pv::view::ViewItem::LabelPadding

static

Definition at line 49 of file viewitem.hpp.

bool pv::view::ViewItem::selected_

private

Definition at line 172 of file viewitem.hpp.

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

pv/view/viewitem.hpp
pv/view/viewitem.cpp

Public Member Functions

Static Public Member Functions

Static Public Attributes

Static Protected Member Functions

Protected Attributes

Private Attributes

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation