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iwidgets::toolbar(1) [incr Widgets] iwidgets::toolbar(1)
____________________________________________________________________________________________________________
NAME
iwidgets::toolbar - Create and manipulate a tool bar
SYNOPSIS
iwidgets::toolbar pathName ?options?
INHERITANCE
itk::Widget <- iwidgets::Toolbar
STANDARD OPTIONS
activeBackground activeForeground background borderWidth
cursor disabledForeground font foreground
highlightBackground highlightColor highlightThickness
insertBackground insertForeground orient selectBackground
selectBorderWidth selectForeground state troughColor
See the "options" manual entry for details on the standard options. For widgets added to the toolbar,
these options will be propogated if the widget supports the option. For example, all widgets that
support a font option will be changed if the the toolbar's font option is configured.
WIDGET-SPECIFIC OPTIONS
Name: balloonBackground
Class: BalloonBackground
Command-Line Switch: -ballooonbackground
Specifies the background color of the balloon help displayed at the bottom center of a widget
on the toolbar that has a non empty string for its balloonStr option. The default color is
yellow.
Name: balloonDelay1
Class: BalloonDelay1
Command-Line Switch: -balloondelay1
Specifies the length of time (in milliseconds) to wait before initially posting a balloon help
hint window. This delay is in effect whenever 1) the mouse leaves the toolbar, or 2) a toolbar
item is selected with the mouse button.
Name: balloonDelay2
Class: BalloonDelay2
Command-Line Switch: -balloondelay2
Specifies the length of time (in milliseconds) to wait before continuing to post balloon help
hint windows. This delay is in effect after the first time a balloon hint window is activated.
It remains in effect until 1) the mouse leaves the toolbar, or 2) a toolbar item is selected
with the mouse button.
Name: balloonFont
Class: BalloonFont
Command-Line Switch: -balloonfont
Specifies the font of the balloon help text displayed at the bottom center of a widget on the
toolbar that has a non empty string for its balloonStr option. The default font is 6x10.
Name: balloonForeground
Class: BalloonForeground
Command-Line Switch: -ballooonforeground
Specifies the foreground color of the balloon help displayed at the bottom center of a widget
on the toolbar that has a non empty string for its balloonStr option. The default color is
black.
Name: helpVariable
Class: HelpVariable
Command-Line Switch: -helpvariable
Specifies the global variable to update whenever the mouse is in motion over a toolbar widget.
This global variable is updated with the current value of the active widget's helpStr. Other
widgets can "watch" this variable with the trace command, or as is the case with entry or
label widgets, they can set their textVariable to the same global variable. This allows for a
simple implementation of a help status bar. Whenever the mouse leaves a menu entry, the help-
Variable is set to the empty string {}.
Name: orient
Class: Orient
Command-Line Switch: -orient
Specifies the orientation of the toolbar. Must be either horizontal or vertical.
____________________________________________________________________________________________________________
DESCRIPTION
The iwidgets::toolbar command creates a new window (given by the pathName argument) and makes it into
a toolbar widget. Additional options, described above may be specified on the command line or in the
option database to configure aspects of the toolbar such as its colors, font, and orientation. The
iwidgets::toolbar command returns its pathName argument. At the time this command is invoked, there
must not exist a window named pathName, but pathName's parent must exist.
A toolbar is a widget that displays a collection of widgets arranged either in a row or a column
(depending on the value of the -orient option). This collection of widgets is usually for user con-venience convenience
venience to give access to a set of commands or settings. Any widget may be placed on a toolbar.
However, command or value-oriented widgets (such as button, radiobutton, etc.) are usually the most
useful kind of widgets to appear on a toolbar.
In addition, the toolbar adds two new options to all widgets that are added to it. These are the
helpStr and balloonStr options. See the discussion for the widget command add below.
WIDGET-SPECIFIC METHODS
The iwidgets::toolbar command creates a new Tcl command whose name is pathName. This command may be
used to invoke various operations on the widget. It has the following general form:
pathName option ?arg arg ...?
Option and args determine the exact behavior of the command.
Many of the widget commands for a toolbar take as one argument an indicator of which widget item of
the toolbar to operate on. The indicator is called an index and may be specified in any of the fol-lowing following
lowing forms:
number Specifies the widget numerically, where 0 corresponds to the first widget in the notebook, 1
to the second, and so on. (For horizontal, 0 is the leftmost; for vertical, 0 is the topmost).
end Specifes the last widget in the toolbar's index. If the toolbar is empty this will return -1.
last Same as end.
pattern
If the index doesn't satisfy any of the above forms, then this form is used. Pattern is pat-tern-matched pattern-matched
tern-matched against the widgetName of each widget in the toolbar, in order from the first to
the last widget, until a matching entry is found. An exact match must occur.
The following commands are possible for toolbar widgets:
pathName add widgetCommand widgetName ?option value?
Adds a widget with the command widgetCommand whose name is widgetName to the toolbar. If wid-getCommand widgetCommand
getCommand is radiobutton or checkbutton, its packing is slightly padded to match the geometry
of button widgets. In addition, the indicatorOn option is false by default and the selectColor
is that of the toolbar background by default. This allows Radiobutton and Checkbutton widgets
to be added as icons by simply setting their bitmap or image options. If additional arguments
are present, they are the set of available options that the widget type of widgetCommand sup-ports. supports.
ports. In addition they may also be one of the following options:
-helpstr value
Specifes the help string to associate with the widget. When the mouse moves over the
widget, the variable denoted by helpVariable is set to helpStr. Another widget can bind
to the helpVariable and thus track status help.
-balloonstr value
Specifes the string to display in a balloon window for this widget. A balloon window is
a small popup window centered at the bottom of the widget. Usually the balloonStr value
is the name of the item on the toolbar. It is sometimes known as a hint window.
When the mouse moves into an item on the toolbar, a timer is set based on the value of
balloonDelay1. If the mouse stays inside the item for balloonDelay1, the balloon window
will pop up displaying the balloonStr value. Once the balloon window is posted, a new
timer based on balloonDelay2 is set. This is typically a shorter timer. If the mouse is
moved to another item, the window is unposted and a new window will be posted over the
item if the shorter delay time is satisfied.
While the balloon window is posted, it can also be unposted if the item is selected. In
this case the timer is reset to balloonDelay1. Whenever the mouse leaves the toolbar,
the timer is also reset to balloonDelay1.
This window posting/unposting model is the same model used in the Windows95 environ-ment. environment.
ment.
pathName cget option
Returns the current value of the configuration option given by option.
pathName configure ?option value?
Query or modify the configuration options of the widget. If no option is specified, returns a
list describing all of the available options for pathName (see Tk_ConfigureInfo for informa-tion information
tion on the format of this list). If option is specified with no value, then the command
returns a list describing the one named option (this list will be identical to the correspond-ing corresponding
ing sublist of the value returned if no option is specified). If one or more option-value
pairs are specified, then the command modifies the given widget option(s) to have the given
value(s); in this case the command returns an empty string.
pathName delete index ?index2?
This command deletes all items between index and index2 inclusive. If index2 is omitted then
it defaults to index. Returns an empty string.
pathName index index
Returns the widget's numerical index for the entry corresponding to index. If index is not
found, -1 is returned.
pathName insert beforeIndex widgetCommand widgetName ?option value?
Insert a new item named widgetName with the
command widgetCommand before the item specified by beforeIndex. If widgetCommand is radiobut-ton radiobutton
ton or checkbutton, its packing is slightly padded to match the geometry of button widgets. In
addition, the indicatorOn option is false by default and the selectColor is that of the tool-bar toolbar
bar background by default. This allows Radiobutton and Checkbutton widgets to be added as
icons by simply setting their bitmap or image options. The set of available options is the
same as specified in the ad command.
pathName itemcget index option
Returns the current value of the configuration option given by option for index. The item type
of index determines the valid available options.
pathName itemconfigure index ?option value?
Query or modify the configuration options of the widget of the toolbar specified by index. If
no option is specified, returns a list describing all of the available options for index (see
Tk_ConfigureInfo for information on the format of this list). If option is specified with no
value, then the command returns a list describing the one named option (this list will be
identical to the corresponding sublist of the value returned if no option is specified). If
one or more option-value pairs are specified, then the command modifies the given widget
option(s) to have the given value(s); in this case the command returns an empty string. The
item type of index determines the valid available options. The set of available options is the
same as specified in the ad command.
EXAMPLE
package require Iwidgets 4.0
iwidgets::toolbar .tb -helpvariable statusVar
.tb add button item1 \
-helpstr "Save It" -bitmap @./icons/Tool_32_box.xbm \
-balloonstr "Save" -command {puts 1}
.tb add button item2 \
-helpstr "Save It" -bitmap @./icons/Tool_32_brush.xbm \
-balloonstr "Save" -command {puts 1}
.tb add button item3 \
-helpstr "Save It" -bitmap @./icons/Tool_32_cut.xbm \
-balloonstr "Save" -command {puts 1}
.tb add button item4 \
-helpstr "Save It" -bitmap @./icons/Tool_32_draw.xbm \
-balloonstr "Save" -command {puts 1}
.tb add button item5 \
-bitmap @./icons/Tool_32_erase.xbm -helpstr "Play It" \
-command {puts 2}
.tb add frame filler \
-borderwidth 1 -width 10 -height 10
.tb add radiobutton item6 \
-bitmap @./icons/Tool_32_oval.xbm -command {puts 4} \
-variable result -value OPEN -helpstr "Radio Button # 1" \
-balloonstr "Radio"
.tb add radiobutton item7 \
-bitmap @./icons/Tool_32_line.xbm -command {puts 5} \
-variable result -value CLOSED
.tb add checkbutton item8 \
-bitmap @./icons/Tool_32_text.xbm -command {puts 6} \
-variable checkit -onvalue yes -offvalue no
.tb add checkbutton check2 \
-bitmap @./icons/Tool_32_points.xbm -command {puts 7} \
-variable checkit2 -onvalue yes -offvalue no
pack .tb -side top -anchor nw
AUTHOR
Bill Scott
KEYWORDS
toolbar, button, radiobutton, checkbutton, iwidgets, widget
Tk iwidgets::toolbar(1)
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