combo

Name

combo -- A widget that allows the user to input a small amount of text.

Synopsis

combo [-option value...]

Screenshot

Options

-allowEmtpty

type: boolean (default: 1)

Whether the entry may be empty.

-caseSensitive

type: boolean (default: 0)

Whether the contents of the entry is matched case sensitive to the elements of the drop down list.

-data

type: string

User defined data which can be retrieved via the cget subcommand.

-editable

type: boolean (default: 1)

Whether the text in the entry is editable. To follow the Gnome Human Interface Guidelines (HIG) it is strongly recommended not to use this option. Instead of a combo with non editable entry widget an optionMenu should be used.

-enableArrowsAlways

type: boolean (default: 0)

Whether the arrow keys can be used to step through the items in the list even if the content of the entry does not match to one of the items.

-enableArrowKeys

type: boolean (default: 1)

Whether the arrow keys can be used to step through the items in the list.

-hasFocus

type: 1

This sets the focus to the widget. To unset the focus it must be set to another widet.

-items

type: list of strings

The entries of the drop down list.

-mustMatch

type: boolean (default: 0)

Whether the contents of the entry must match one of the elements of the drop down list.

-name

type: string

Name of the widget, can be used to set options in an rc file.

-onChanged

type: string (default: "")

Tcl command which is executed if the value of the combo is changed via the GUI. Before evaluation the following percent strings are substituted: TABLE %% | % %w | widget name. %v | value of the active item TABLE This command is not called if the value is changed via the option -value.

-onShowHelp

type: string (default: "")

Tcl command which is executed if the "show-help" signal is recieved, which is normally the case if the user presses F1 or Ctrl-F1. Before evaluation the following percent strings are substituated TABLE %% | % %w | widget name %h | help type: either "whatsThis" or "tooltip" TABLE

-sensitive

type: boolean (default: 1)

Whether or not the item is sensitve to user input.

-tooltip

type: string

Message that appear next to this widget when the mouse pointer is held over it for a short amount of time.

-value

type: string

Value of the item which shall be activated

-variable

type: string (default: "")

name of a (global) variable which is changed whenever the entry is changed

-visible

type: boolean (default: 1)

Whether or not the item is visible.

Description

The combo widget consists of a single-line text entry field and a drop-down list. The drop-down list is displayed when the user clicks on a small arrow button to the right of the entry field. Instead of a combo widget with non-editable entry field, the use of the optionMenu is recommended.

Commands

id delete

Deletes the widget and the associated tcl command.

id configure [-option value...]

Configures the widget. Option may have any of the values accepted on creation of the widget.

id cget option

Returns the value for one option. The option may have any of the values accepted by configure.

Example


set combo [gnocl::combo -variable var -items {"Cat" "Dog" "Bird"}]
gnocl::window -title "Combo" -child $combo

results in

See also

optionMenu, entry, text, spinButton, GtkCombo