Skip to main content

SelectionSceneItem

Namespace: DISPLIB  ·  Library: Display Library

#include <disp/selectionsceneitem.h>

class DISPLIB::SelectionSceneItem

Graphics item representing a selectable electrode or channel in a 2-D layout scene.

Inheritance​

Public Methods​

SelectionSceneItem(channelName, channelNumber, channelPosition, channelKind, channelUnit, channelColor, bIsBadChannel)​

Constructs a SelectionSceneItem.

Parameters:

  • channelName : QString Name of the channel shown by this item.

  • channelNumber : int Index of the channel in the measurement info.

  • channelPosition : QPointF 2-D layout position (scaled by 10 when painted).

  • channelKind : int FIFF channel kind (e.g. FIFFV_MEG_CH).

  • channelUnit : int FIFF unit of the channel data.

  • channelColor : QColor Fill colour of the electrode marker (default Qt::blue).

  • bIsBadChannel : bool True to paint the channel as bad (red) (default false).

boundingRect()​

Returns the bounding rect of the electrode item.

This rect describes the area which the item uses to plot in.

Returns:

  • QRectF — Fixed 50 x 50 rectangle with top-left corner at (-25, -30) in item coordinates.

paint(painter, option, widget)​

Reimplemented paint function.

Parameters:

  • painter : *QPainter ** Painter used to draw the electrode marker and label.

  • option : *const QStyleOptionGraphicsItem ** Style options (unused).

  • widget : *QWidget ** Widget being painted on (unused).

Authors of this file​