gtkScaleAddMark {RGtk2} | R Documentation |
Adds a mark at value
.
gtkScaleAddMark(object, value, position, markup = NULL)
|
a |
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the value at which the mark is placed, must be between the lower and upper limits of the scales' adjustment |
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where to draw the mark. For a horizontal scale, GTK_POS_TOPis drawn above the scale, anything else below. For a vertical scale, GTK_POS_LEFTis drawn to the left of the scale, anything else to the right. |
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Text to be shown at the mark, using Pango markup, or |
A mark is indicated visually by drawing a tick mark next to the scale, and GTK+ makes it easy for the user to position the scale exactly at the marks value.
If markup
is not NULL
, text is shown next to the tick mark.
To remove marks from a scale, use gtkScaleClearMarks
.
Since 2.16
Derived by RGtkGen from GTK+ documentation