diff options
Diffstat (limited to 'doc/canvas.n')
| -rw-r--r-- | doc/canvas.n | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/doc/canvas.n b/doc/canvas.n index 7dbfd19..f446936 100644 --- a/doc/canvas.n +++ b/doc/canvas.n @@ -1523,6 +1523,12 @@ ends of the line. \fBlast\fR (for an arrowhead at the last point of the line), or \fBboth\fR (for arrowheads at both ends). This option defaults to \fBnone\fR. +When requested to draw an arrowhead, Tk internally adjusts the corresponding +line end point so that the rendered line ends at the neck of the arrowhead +rather than at its tip so that the line doesn't extend past the edge of the +arrowhead. This may trigger a \fBLeave\fR event if the mouse is hovering this +line end. Conversely, when removing an arrowhead Tk adjusts the corresponding +line point the other way round, which may trigger an \fBEnter\fR event. .TP \fB\-arrowshape \fIshape\fR This option indicates how to draw arrowheads. |