diff options
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/text.n | 15 |
1 files changed, 8 insertions, 7 deletions
@@ -1089,12 +1089,13 @@ the widget is in sync) or false (when it is not). Examples of use: .CS ## Example 1: -# runtime, immediately complete line metrics at any cost (GUI unresponsive) +# immediately complete line metrics at any cost (GUI unresponsive) $w sync $w yview moveto $fraction ## Example 2: -# runtime, synchronously wait for up-to-date line metrics (GUI responsive) +# synchronously wait for up-to-date line metrics (GUI responsive) +# before executing the scheduled command, but don't block execution flow $w sync -command [list $w yview moveto $fraction] ## Example 3: @@ -1783,7 +1784,7 @@ If \fIindex\fR is far out of view, then the command centers \fIindex\fR in the window. .TP \fIpathName \fBsync\fR ?\fB-command \fIcommand\fR? -Control the synchronization of the view of text widget. +Controls the synchronization of the view of the text widget. .RS .TP \fIpathName \fBsync\fR @@ -1793,10 +1794,10 @@ outdated line heights, otherwise it returns only at the end of the computation. The command returns an empty string. .TP \fIpathName \fBsync -command \fIcommand\fR -Schedule \fIcommand\fR to be executed exactly once as soon as all line heights -are up-to-date. If there are no pending line metrics calculations, the -scheduling is immediate. The command returns the empty string. \fBbgerror\fR is -called on \fIcommand\fR failure. +Schedules \fIcommand\fR to be executed (by the event loop) exactly once as soon +as all line heights are up-to-date. If there are no pending line metrics +calculations, the scheduling is immediate. The command returns the empty +string. \fBbgerror\fR is called on \fIcommand\fR failure. .RE .TP \fIpathName \fBtag \fIoption \fR?\fIarg arg ...\fR? |