'\"
'\" Generated from file '/home/aku/Projects/Tcllib/tklib/embedded/man/files/modules/tooltip/tooltip\&.n' by tcllib/doctools with format 'nroff'
'\" Copyright (c) 1996-2008, Jeffrey Hobbs
'\"
'\" The definitions below are for supplemental macros used in Tcl/Tk
'\" manual entries.
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.TH "tooltip" n 1\&.4\&.4 tklib "Tooltip management"
.BS
.SH NAME
tooltip \- Tooltip management
.SH SYNOPSIS
package require \fBTcl  8\&.4\fR
.sp
package require \fBmsgcat  1\&.3\fR
.sp
package require \fBtooltip  ?1\&.4\&.4?\fR
.sp
\fB::tooltip::tooltip\fR \fIcommand\fR ?\fIoptions\fR?
.sp
\fB::tooltip::tooltip\fR \fIpathName\fR ?\fIoption arg\fR? \fImessage\fR
.sp
.BE
.SH DESCRIPTION
.PP
This package provides tooltips, small text messages that can be displayed
when the mouse hovers over a widget, menu item, canvas item, listbox item
or text widget tag\&.
.SH COMMANDS
.TP
\fB::tooltip::tooltip\fR \fIcommand\fR ?\fIoptions\fR?
Manage the tooltip package using the following subcommands\&.
.RS
.TP
\fBclear\fR \fIindex\fR
Prevents the specified widgets from showing tooltips\&. \fIpattern\fR
is a glob pattern and defaults to matching all widgets\&.
.TP
\fBdelay\fR ?\fImillisecs\fR?
Query or set the hover delay\&. This is the interval that the pointer must remain
over the widget before the tooltip is displayed\&. The delay is specified in
milliseconds and must be greater than 50ms\&.
With no argument the current delay is returned\&.
.TP
\fBfade\fR ?\fIboolean\fR?
Enable or disable fading of the tooltip\&.  The is enabled by default on Win32
and Aqua\&.  The tooltip will fade away on Leave events instead disappearing\&.
.TP
\fBdisable\fR
.TP
\fBoff\fR
Disable all tooltips
.TP
\fBenable\fR
.TP
\fBon\fR
Enables tooltips for defined widgets\&.
.RE
.sp
.TP
\fB::tooltip::tooltip\fR \fIpathName\fR ?\fIoption arg\fR? \fImessage\fR
This command arranges for widget \fIpathName\fR to display a tooltip with
message \fImessage\fR\&.  The tooltip uses a late-binding msgcat call on the
passed in message to allow for on-the-fly language changes in an application\&.
If the widget specified is a menu, canvas or text widget then additional options
are used to tie the tooltip to specific menu entries, canvas items or text
tags\&.
.RS
.TP
\fB-index\fR \fIindex\fR
This option is used to set a tooltip on a menu item\&. The index may be
either the entry index or the entry label\&. The widget must be a menu
widget but the entries do not have to exists when the tooltip is set\&.
.TP
\fB-items\fR \fIname\fR
This option is used to set a tooltip for canvas widget or listbox items\&.
For the canvas widget, the item must already be present in the canvas
widget and will be found with a \fBfind withtag\fR lookup\&.
For listbox widgets the item(s) may be created later but the programmer
is responsible for managing the link between the listbox item index and the
corresponding tooltip\&. If the listbox items are re-ordered, the tooltips
will need amending\&.
.sp
If the widget is not a canvas or listbox then an error is raised\&.
.TP
\fB-tag\fR \fIname\fR
The \fB-tag\fR option can be used to set a tooltip for a text widget
tag\&. The tag should already be present when this command is called or
an error will be returned\&. The widget must also be a text widget\&.
.RE
.PP
.SH EXAMPLE
.CS


# Demonstrate widget tooltip
package require tooltip
pack [label \&.l -text "label"]
tooltip::tooltip \&.l "This is a label widget"

.CE
.CS


# Demonstrate menu tooltip
package require tooltip
\&. configure -menu [menu \&.menu]
\&.menu add cascade -label Test -menu [menu \&.menu\&.test -tearoff 0]
\&.menu\&.test add command -label Tooltip
tooltip::tooltip \&.menu\&.test -index 0 "This is a menu tooltip"

.CE
.CS


# Demonstrate canvas item tooltip
package require tooltip
pack [canvas \&.c]
set item [\&.c create rectangle 10 10 80 80]
tooltip::tooltip \&.c -item $item "Canvas item tooltip"

.CE
.CS


# Demonstrate listbox item tooltip
package require tooltip
pack [listbox \&.lb]
\&.lb insert 0 "item one"
tooltip::tooltip \&.lb -item 0 "Listbox item tooltip"

.CE
.CS


# Demonstrate text tag tooltip
package require tooltip
pack [text \&.txt]
\&.txt tag configure TIP-1 -underline 1
tooltip::tooltip \&.txt -tag TIP-1 "tooltip one text"
\&.txt insert end "An example of a " {} "tooltip" TIP-1 " tag\&.\\n" {}

.CE
.SH KEYWORDS
balloon, help, hover, tooltip
.SH COPYRIGHT
.nf
Copyright (c) 1996-2008, Jeffrey Hobbs

.fi