The Tcl/Tk Class Interface

Author(s): Montserrat Urraca, Montserrat Iglesias Urraca, http://www.clip.dia.fi.upm.es/, The CLIP Group, Facultad de Informática, Universidad Politécnica de Madrid.

Version: 1.10#7 (2006/4/26, 19:22:13 CEST)

Version of last change: 1.9#152 (2003/12/4, 17:35:17 CET)

This library implements an object-orented graphical library with a number of predefined objects, using the Prolog Tcl/Tk interface. This interface allows creating and destroying objects and modifying their properties. The window_class contains three clases: widget class, menu class, and canvas class. The constructor class is window_class.

Note: This library (and the documentation) are still under development.

• Usage and interface (window_class)
• Documentation on exports (window_class)

Usage and interface (window_class)

Documentation on exports (window_class)

REGTYPE: widget/1:

Each Widget type is characterized in two ways: first, the form of the create command used to create instances of the type; and second, a set of configuration options for items of that type, which may be used in the create and itemconfigure widget commands.

Usage: widget(W)

• Description: W is a reference to one type of the widget widgets.

REGTYPE: option/1:

Usage: option(O)

• Description: O is hidden if the Widget is not visible or shown if its visible.

REGTYPE: menu/1:

Usage: menu(M)

• Description: M is a reference to one type of the menu.

REGTYPE: canvas/1:

Usage: canvas(C)

• Description: C is a reference to one type of the canvas.

PREDICATE: window_class/0:

Usage:

• Description: Creates a new interpreter, asserting the predicate interp(I), and the widgets, menus and canvases objects.

PREDICATE: window_class/3:

Usage: window_class(+WidgetList, +MenusList, +CanvasList)

• Description: Adds the widgets, menus and canvases in the list to the window object.
• Call and exit should be compatible with: +WidgetList is a list. (basic_props:list/1) +MenusList is a list. (basic_props:list/1) +CanvasList is a list. (basic_props:list/1)

PREDICATE: destructor/0:

Usage:

• Description: Deletes the widgets, menus and canvases of the window object and the window object.

PREDICATE: show/0:

Usage:

• Description: Adds widgets, menus and canvas to the window object.

PREDICATE: hide_/0:

Usage:

• Description: Removes widgets, menus and canvas from the window object.

PREDICATE: title/1:

Usage: title(+X)

• Description: X specifies the title for window. The default window title is the name of the window.
• Call and exit should be compatible with: +X is a string (a list of character codes). (basic_props:string/1)

PREDICATE: maxsize/2:

Usage: maxsize(+X, +Y)

• Description: X specifies the maximum width and Y the maximum height for the window.
• Call and exit should be compatible with: +X is an integer. (basic_props:int/1) +Y is an integer. (basic_props:int/1)

PREDICATE: minsize/2:

Usage: minsize(+X, +Y)

• Description: X specifies the minimum width and Y the minimum height for the window.
• Call and exit should be compatible with: +X is an integer. (basic_props:int/1) +Y is an integer. (basic_props:int/1)

PREDICATE: withdraw/0:

Usage:

• Description: Arranges for window to be withdrawn from the screen.

PREDICATE: event_loop/0:

Usage:

• Description: Waits for a Tcl/Tk event.

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