'\"
'\" Generated from file 'tooltip\&.man' by tcllib/doctools with format 'nroff'
'\" Copyright (c) 1996-2008, Jeffrey Hobbs
'\" Copyright (c) 2024 Emmanuel Frecon
'\"
.TH "tooltip" n 1\&.8\&.2 tklib "Tooltip management"
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.BS
.SH NAME
tooltip \- Tooltip management
.SH SYNOPSIS
package require \fBTcl  8\&.5\fR
.sp
package require \fBmsgcat  1\&.3\fR
.sp
package require \fBtooltip  ?1\&.8\&.2?\fR
.sp
\fB::tooltip::tooltip\fR \fIcommand\fR ?\fIoptions\fR?
.sp
\fB::tooltip::tooltip\fR \fIpathName\fR ?\fIoption value\fR\&.\&.\&.? ?\fB--\fR? \fImessage\fR
.sp
.BE
.SH DESCRIPTION
.PP
This package provides tooltips, i\&.e\&., small text messages that can be displayed
when the mouse hovers over a widget, menu item, canvas item, listbox item,
ttk::treeview item or column heading, ttk::notebook tab, 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 ?\fIpattern\fR?
Prevents the specified widgets from showing tooltips\&. \fIpattern\fR
is a glob pattern and defaults to matching all widgets\&.
.TP
\fBconfigure\fR ?\fIoption\fR ?\fIvalue option value\fR \&.\&.\&.??
Queries or modifies the configuration options of the tooltip\&. The supported
options are \fB-backgroud\fR, \fB-foreground\fR and \fB-font\fR\&. If no
\fIoption\fR is specified, returns a dictionary of the option values\&. If one
\fIoption\fR is specified with no value, returns the value of that option\&.
Otherwise, sets the given \fIoption\fRs to the corresponding \fIvalue\fRs\&.
.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 or equal to 50 ms\&.
With no argument the current delay is returned\&.
.TP
\fBfade\fR ?\fIboolean\fR?
Enable or disable fading of the tooltip\&.  The fading 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 value\fR\&.\&.\&.? ?\fB--\fR? \fImessage\fR
This command arranges for widget \fIpathName\fR to display a tooltip with a
\fImessage\fR\&. The tooltip uses late-binding \fBmsgcat\fR calls to allow
for on-the-fly language changes in an application\&. These calls are resolved
by default in the namespace active where \fB::tooltip::tooltip\fR is invoked\&.
Using option \fB-namespace\fR overwrites this default with a user-specified
value\&. Furthermore, using the options \fB-msgargs\fR and/or \fB-infoargs\fR
enables the passing of additional arguments to these calls for the message
and info text respectively\&.
.sp
If the specified widget is a \fBmenu\fR, \fBcanvas\fR, \fBlistbox\fR,
\fBttk::treeview\fR, \fBttk::notebook\fR or \fBtext\fR widget then additional
options are used to tie the tooltip to specific menu, canvas or listbox items,
ttk::treeview items or column headings, ttk::notebook tabs, or text widget tags\&.
.RS
.TP
\fB-heading\fR \fIcolumnId\fR
This option is used to set a tooltip for a ttk::treeview column heading\&.
The column does not need to already exist\&. You should not use the same
identifiers for columns and items in a widget for which you are using tooltips
as their tooltips will be mixed\&. The widget must be a ttk::treeview widget\&.
.TP
\fB-image\fR \fIimage\fR
The specified (photo) image will be displayed to the left of the primary
tooltip \fImessage\fR\&.
.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 exist when the tooltip is set\&.
.TP
\fB-info\fR \fIinfo\fR
The specified \fIinfo\fR text will be displayed as additional information
below the primary tooltip \fImessage\fR\&.
.TP
\fB-items\fR \fIitems\fR
This option is used to set a tooltip for canvas, listbox or ttk::treview items\&.
For the canvas widget, the item must already be present in the canvas and will
be found with a \fBfind withtag\fR lookup\&.
For listbox and ttk::treview widgets the item(s) may be created later but the
programmer is responsible for managing the link between the listbox or
ttk::treview item index and the corresponding tooltip\&. If the listbox or
ttk::treview items are re-ordered, the tooltips will need amending\&.
.sp
If the widget is not a canvas, listbox or ttk::treview then an error is raised\&.
.TP
\fB-tab\fR \fItabId\fR
The \fB-tab\fR option can be used to set a tooltip for a ttk::notebook tab\&.
The tab should already be present when this command is called, or an error will
be returned\&. The widget must be a ttk::notebook widget\&.
.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 be a text widget\&.
.TP
\fB--\fR
The \fB--\fR option marks the end of options\&.
The argument following this one will be treated as \fImessage\fR even if it
starts with a \fB-\fR\&.
.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 -fill red]
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 ttk::notebook tab tooltip
package require tooltip
pack [ttk::notebook \&.nb]
\&.nb add [frame \&.nb\&.f1 -height 50] -text "First tab"
\&.nb add [frame \&.nb\&.f2 -height 50] -text "Second tab"
tooltip::tooltip \&.nb -tab 0 "Tooltip for the 1st notebook tab"
tooltip::tooltip \&.nb -tab 1 "Tooltip for the 2nd notebook tab"

.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 "BUGS, IDEAS, FEEDBACK"
This document, and the package it describes, will undoubtedly contain
bugs and other problems\&.
Please report such in the category \fItooltip\fR of the
\fITklib Trackers\fR [http://core\&.tcl\&.tk/tklib/reportlist]\&.
Please also report any ideas for enhancements you may have for either
package and/or documentation\&.
.SH KEYWORDS
balloon, help, hover, tooltip
.SH COPYRIGHT
.nf
Copyright (c) 1996-2008, Jeffrey Hobbs
Copyright (c) 2024 Emmanuel Frecon

.fi
