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3286 lines
102 KiB
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3286 lines
102 KiB
Plaintext
\input texinfo @c -*-texinfo-*-
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@c Copyright (C) 1996 by Peter Mattis. All rights reserved.
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@c
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@c %**start of header
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@setfilename gtk.info
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@settitle GTK
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@setchapternewpage odd
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@include macros.texi
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@c %**end of header
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@set edition 1.0
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@set update-date 9 April 1997
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@set update-month April 1997
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@ifinfo
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This file documents GTK, the General Toolkit
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Copyright (C) 1996 Peter Mattis
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Copyright (C) 1997 Peter Mattis
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Permission is granted to make and distribute verbatim copies of this
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manual provided the copyright notice and this permission notice are
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preserved on all copies
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@ignore
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Permission is granted to process this file throught TeX and print the
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results, provided the printed document carries copying permission notice
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identical to this one except for the removal of this paragraph (this
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paragraph not being relevant to the printed manual).
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@end ignore
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Permission is granted to copy and distribute modified versions of this
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manual under the conditions for verbatim copying, provided that the
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entire resulting derived work is distributed under the terms of a
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permission notice identical to this one.
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Permission is granted to copy and distribute translations of this manual
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into another language, under the above conditions for modified versions,
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except that this permission notice may be stated in a translation
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approved by Peter Mattis.
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@end ifinfo
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@titlepage
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@title The General Toolkit
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@subtitle Version @value{edition}
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@subtitle @value{update-month}
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@author by Peter Mattis
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@page
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@vskip 0pt plus 1filll
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Copyright @copyright{} 1996 Peter Mattis
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Copyright @copyright{} 1997 Peter Mattis
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Permission is granted to make and distribute verbatim copies of this
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manual provided the copyright notice and this permission notice are
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preserved on all copies.
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Permission is granted to copy and distribute modified versions of this
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manual under the conditions for verbatim copying, provided that the
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entire resulting derived work is distributed under the terms of a
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permission notice identical to this one.
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Permission is granted to copy and distribute translations of this manual
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into another language, under the above conditions for modified versions,
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except that this permission notice may be stated in a translation
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approved by Peter Mattis.
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@end titlepage
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@dircategory User Interface Toolkit
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@direntry
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* GTK: (gtk). The General Toolkit
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@end direntry
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@node Top, Copying, (dir), (dir)
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@top The General Toolkit
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@ifinfo
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This is edition @value{edition} of the GTK documentation,
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@w{@value{update-date}}.
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@end ifinfo
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@menu
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* Copying:: Your rights.
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* Overview:: What is GTK?
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* Objects:: Object overview.
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* Signals:: Signals overview.
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* Widgets:: Widget overview.
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* Other Objects:: Utility objects.
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* Miscellaneous:: Initialization, exit and other features.
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* Examples:: Using GTK.
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* Object Implementation:: Object internals.
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* Signal Implementation:: Signal internals.
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* Widget Implementation:: Widget internals.
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* Function Index:: Index of functions.
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* Concept Index:: Index of concepts.
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@end menu
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@node Copying, Overview, Top, Top
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@comment node-name, next, previous, up
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@chapter Copying
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GTK is @dfn{free}; this means that everyone is free to use it and free
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to redestribute it on a free basis. GTK is not in the public domain; it
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is copyrighted and there are restrictions on its distribution, but
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these restrictions are designed to permit everything that a good
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cooperating citizen would want to do. What is not allowed is to try to
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prevent others from further sharing any version of GTK that they might
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get from you.
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Specifically, we want to make sure that you have the right to give away
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copies of GTK, that you receive source code or else can get it if you
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want it, that you can change GTK or use pieces of it in new free
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programs, and that you know you can do these things.
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To make sure that everyone has such rights, we have to forbid you to
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deprive anyone else of these rights. For example, if you distribute
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copies of GTK, you must give the recipients all the rights that you
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have. You must make sure that they, too, receive or can get the source
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code. And you must tell them their rights.
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Also, for my own protection, we must make certain that everyone finds
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out that there is no warranty for GTK. If GTK is modified by someone
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else and passed on, we want their recipients to know that what they have
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is not what we distributed, so that any problems introduced by others
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will no reflect on our reputation.
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The precise conditions of the licenses for GTK are found in the General
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Public Licenses that accompanies it.
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@node Overview, Objects, Copying, Top
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@comment node-name, next, previous, up
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@chapter What is GTK?
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@cindex Overview
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GTK is a library for creating graphical user interfaces similar to the
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Motif ``look and feel''. It is designed to be small and efficient, but
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still flexible enough to allow the programmer freedom in the interfaces
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created. GTK allows the programmer to use a variety of standard user
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interface widgets (@pxref{Widgets}) such as push, radio and check
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buttons, menus, lists and frames. It also provides several ``container''
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widgets which can be used to control the layout of the user interface
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elements.
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GTK provides some unique features. (At least, I know of no other widget
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library which provides them). For example, a button does not contain a
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label, it contains a child widget, which in most instances will be a
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label. However, the child widget can also be a pixmap, image or any
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combination possible the programmer desires. This flexibility is adhered
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to throughout the library.
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@node Objects, Signals, Overview, Top
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@comment node-name, next, previous, up
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@chapter Object Overview
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@cindex Objects
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GTK implements a semi-simple class mechanism and an associated class
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hierarchy for widgets and several other useful objects. The GtkObject
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type is the root of the class hierarchy. It provides a few items needed
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by all classes, the foundation for the signal (@pxref{Signals})
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mechanism and the ``destroy'' method.
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The class hierarchy is defined by a type hierarchy. This hierarchy
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allows queries to be made in regards to a type. The basic query that can
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be performed is asking whether a given type has an ``is a'' relation
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with another type. For instance, it is common to ask whether a general
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widget pointer is a type of specific widget so that runtime sanity
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checks can be made.
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@section Type utility functions
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The @code{GtkTypeInfo} structure is used to communicate information to
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@code{gtk_type_unique} as opposed to passing in large numbers of
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parameters.
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@example
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typedef struct _GtkTypeInfo GtkTypeInfo;
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struct _GtkTypeInfo
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@{
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gchar *type_name;
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guint object_size;
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guint class_size;
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GtkClassInitFunc class_init_func;
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GtkObjectInitFunc object_init_func;
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GtkValueInitFunc value_init_func;
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@}
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@end example
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@itemize @bullet
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@item
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The @code{type_name} field refers to the name of the type. It is
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convention for the type name to be the same as the C structure type. For
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example, the type name of the @code{GtkObject} structure is
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``GtkObject''.
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@item
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The @code{object_size} field refers to the size in bytes of the C
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structure. The easiest (and portable) means of computing this size is by
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using the C @code{sizeof} operator. For instance, the sizeof of the
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@code{GtkObject} structure is computed by doing @code{sizeof
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(GtkObject)}.
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@item
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The @code{class_size} field refers to the size in bytes of the C
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structure for the class. Again, the @code{sizeof} operator should be
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used to compute this value.
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@item
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The @code{class_init_func} field is a callback which is used by the type
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mechanism to initialize class specific fields. The single argument this
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function takes is a pointer to a class structure.
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@item
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The @code{object_init_func} field is a callback which is used by the
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type mechanism to initialize object specific fields. The single argument
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this functions takes is a pointer to an object structure.
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@item
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The @code{value_init_func} field is a callback which is used by the type
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mechanism to initialize object stack value types. (FIXME: unfinished).
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@end itemize
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@deftypefun guint gtk_type_unique (guint @var{parent_type}, GtkTypeInfo *@var{type_info})
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The @var{parent_type} is simply the value of the new types parent
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type. If @var{parent_type} is 0, then the new type is the root of the
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type hierarchy. @var{type_info} is a pointer to a structure which
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contains necessary information for construction of the new
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type. Specifically, the @code{type_name}, @code{object_size} and
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@code{class_size} fields are required. The @code{class_init_func},
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@code{object_init_func} and @code{value_init_func} fields may be NULL.
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@end deftypefun
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@deftypefun gchar* gtk_type_name (guint @var{type})
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The returned string is the name of @var{type} as specified to
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@code{gtk_type_unique}.
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@end deftypefun
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@deftypefun guint gtk_type_from_name (guchar *@var{name})
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Return the type associated with @var{name}. If there is no type
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associated with @var{name}, then 0 will be returned.
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@end deftypefun
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@deftypefun guint gtk_type_parent (guint @var{type})
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Returns the parent type of @var{type} or 0 if @var{type} is the root of
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the type hierarchy.
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@end deftypefun
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@deftypefun gpointer gtk_type_class (guint @var{type})
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Returns the initialized class structure for @var{type}. The class
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structure is actually created and initialized the first time it is
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needed. If creation and initialization occurs, the @code{class_size}
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field of the @code{GtkTypeInfo} structure used to initialize this type
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is used to determine how large the class structure is. The
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@code{class_init_func} field from the @code{GtkTypeInfo} structure is
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called for all the members in the types ancestry, including the
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type. The order of this invocation proceeds from the root on down. For
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example, the @code{GtkWidgetClass} is first initialized as an
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@code{GtkObjectClass} by the object class initialization routine and
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then by the widget class initialization routine. This allows the widget
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class initialization routine to override values set by the object class
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initialization routine. The returned structure is shared by all objects
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of @var{type} and, as such, should not be modified.
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@end deftypefun
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@deftypefun gpointer gtk_type_new (guint @var{type})
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Returns a new instance of an @var{type} object. The object structure is
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created and initialized similarly to the class structure (as described
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above). The @code{object_size} and @code{object_init_func} fields of the
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@code{GtkTypeInfo} structure are used to determine the objects allocated
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size and the object specific initialization routine. Similarly to the
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class initialization, all the object initialization routines from the
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root on down to the particular type being created are invoked.
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@end deftypefun
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@deftypefun void gtk_type_describe_heritage (guint @var{type})
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Prints the type heritage for @var{type}. The heritage for a type
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includes the type and all its parent types up the type tree.
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@end deftypefun
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@deftypefun void gtk_type_describe_tree (guint @var{type}, gint @var{show_size})
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Prints the type tree which starts at @var{type}. @var{show_size} is a
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boolean which determines whether type sizes are printed.
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@end deftypefun
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@deftypefun gint gtk_type_is_a (guint @var{type}, guint @var{is_a_type})
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A predicate function which determines whether the relation @var{type}
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is_a @var{is_a_type} is true.
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@end deftypefun
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@section Object functions
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The GtkObject type is the root of the type hierarchy used by GTK. It
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provides a minimal set of fields used to implement the actual
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object, class and signal mechanisms, as well as several utility routines
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which make dealing with objects easier.
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For the adventurous, see @ref{Object Implementation}.
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@deftypefun guint gtk_object_get_type (void)
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Returns the @code{GtkObject} type identifier.
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@end deftypefun
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@deftypefun void gtk_object_class_add_signals (GtkObjectClass *@var{class}, gint *@var{signals}, gint @var{nsignals})
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Adds @var{signals} to the @code{signals} field in the GtkObjectClass
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structure @var{class}. @xref{Signals}.
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@end deftypefun
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@deftypefun void gtk_object_destroy (GtkObject *@var{object})
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Performs checks to make sure it is alright to destroy @var{object} and
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then emits the @code{destroy} signal. The check which is performed is to
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make sure @var{object} is not already processing another signal. If this
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were the case then destroying the object immediately would undoubtedly
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cause problems as the other signal would not be able to tell the object
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was destroyed. The solution is that if @var{object} is processing another
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signal we mark @var{object} is needing to be destroyed. When we finish
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processing of the other signal we check whether the object needs to be
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destroyed.
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@end deftypefun
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The GtkObject type provides a mechanism for associating arbitrary
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amounts of data with an object. The data is associated with the object
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using a character string key. The functions @code{gtk_object_set_data},
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@code{gtk_object_get_data}, and @code{gtk_object_remove_data} are the
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interface to this mechanism. Two other routines,
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@code{gtk_object_set_user_data} and @code{gtk_object_get_user_data},
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exist as convenience functions which simply use the same mechanism.
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@deftypefun void gtk_object_set_data (GtkObject *@var{object}, const char *@var{key}, gpointer @var{data})
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Associate @var{data} with @var{key} in the data list of @var{object}.
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@end deftypefun
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@deftypefun gpointer gtk_object_get_data (GtkObject *@var{object}, const char *@var{key})
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Retrieve the data associated with @var{key} in the data list of @var{object}.
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@end deftypefun
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@deftypefun void gtk_object_remove_data (GtkObject *@var{object}, const char *@var{key})
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Remove the data associated with @var{key} in the data list of @var{object}.
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@end deftypefun
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@deftypefun void gtk_object_set_user_data (GtkObject *@var{object}, gpointer @var{data})
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Sets @var{data} into the @code{user_data} field of @var{object}.
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@end deftypefun
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@deftypefun gpointer gtk_object_get_user_data (GtkObject *@var{object})
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Returns the @code{user_data} field of @var{object}.
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@end deftypefun
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The GtkObject type also provides a mechanism for specifying
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initialization values for fields. This general mechanism is called
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object value stacks. The reason for using value stacks is that they can
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simplify the life of the programmer. For instance, by default widgets
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are non-visible when created. However, the ``visible'' value for widgets
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may be specified so that widgets are made visible when created. (FIXME:
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unfinished).
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@deftypefun void gtk_object_value_stack_new (guint @var{object_type}, const gchar *@var{value_id}, GtkParamType @var{value_type})
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@end deftypefun
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@deftypefun void gtk_object_push_value (guint @var{object_type}, const gchar *@var{value_id}, @dots{})
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Push a value on the value stack specified by @var{object_type} and
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@var{value_id}. The type of value is implicitly given in the context of
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@var{object_type} and @var{value_id}. (That is, it is not specified
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explicitly in the function call). Only a single extra argument is
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expected which is the data which is to be placed on the stack.
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@end deftypefun
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@deftypefun void gtk_object_pop_value (guint @var{object_type}, const gchar *@var{value_id})
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Pop a value of the value stack specified by @var{object_type} and
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@var{value_id}.
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@end deftypefun
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@deftypefun gint gtk_object_peek_value (guint @var{object_type}, const gchar *@var{value_id}, gpointer @var{data})
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Peek at the value on the top of the value stack specified by
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@var{object_type} and @var{value_id}. The @var{data} argument is
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interpreted as the location of where to place the ``peeked'' data. For
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instance, if the peeked data is of type @code{GTK_PARAM_POINTER}, then
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@var{data} will be a pointer to a pointer. If the value stack is empty
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or does not exist or an error occurs, @code{gtk_object_peek_value} will
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return @code{FALSE}. On success it will return @code{TRUE}.
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@end deftypefun
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@node Signals, Widgets, Objects, Top
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@comment node-name, next, previous, up
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@chapter Signals Overview
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@cindex Signals
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Signals are GTK's method for objects to perform callbacks. A signal is
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an event which occurs upon an object. The programmer can connect to a
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signal of an object which involves specifying a function to be called
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when that signal is emitted in the specified object.
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When a signal is emitted, both the class function associated with the
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signal (when it was defined) and all signal handlers installed for that
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signal on the particular object emitting the signal are called. The
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widget programmer can specify whether the class function is to be called
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before after or both before and after the signal handlers installed by
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the widget user. The widget user can, however, specify that their signal
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handler is to be run after the class function (using the ``_after''
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signal connection routines). Any signal handling function can emit the
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same signal on the same object while it is running causing that signal
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emittion to either restart or to run recursively. Additionally, signal
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emittion can be terminated prematurely. While both such abilities are
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rarely used, they do allow for greater flexibility in regards to
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signals. For instance, a programmer can attach to the key press event
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signal and intercept all tab key presses from a widget. This particular
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example is used in the file selection dialog to implement tab completion
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of filenames and prevent the entry widget from inserting the tab into
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its buffer.
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Signals are selected using either an integer identifier or a character
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string name. It is convention to name the signal the same as the class
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function which is associated with it. There are two versions of most of
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the signal functions, one which takes an integer identifier and one
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which takes a character string name for the signal.
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@deftypefun gint gtk_signal_new (gchar *@var{name}, GtkSignalRunType @var{run_type}, gint @var{object_type}, gint @var{function_offset}, GtkSignalMarsahller @var{marshaller}, GtkParamType @var{return_val}, gint @var{nparams}, @dots{})
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Create a new signal and give it the character string identifier
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@var{name}. @var{name} needs to be unique in the context of
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@var{object_type}'s branch of the class hierarchy. That is,
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@var{object_type} cannot create a signal type with the same name as a
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signal type created by one of its parent types.
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@var{run_type} specifies whether the class function should be run before
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(@code{GTK_RUN_FIRST}), after (@code{GTK_RUN_LAST}) or both before and
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after normal signal handlers (@code{GTK_RUN_BOTH}). Additionally, the
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@code{GTK_RUN_NO_RECURSE} value can be or'ed with any of those values to
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specify that the signal should not be recursive. By default, emitting
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the same signal on the same widget will cause the signal to be emitted
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twice. However, if the @code{GTK_RUN_NO_RECURSE} flag is specified,
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emitting the same signal on the same widget will cause the current
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signal emittion to be restarted. This allows the widget programmer to
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specify the semantics of signal emittion on a per signal
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basis. (The @code{GTK_RUN_NO_RECURSE} flag is used by the GtkAdjustment
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widget).
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The @var{function_offset} is the byte offset from the start of the class
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structure to the class function field within the class structure. The
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easiest means to compute this offset is by using the
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@code{GTK_SIGNAL_OFFSET} macro which takes the class structure type as
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|
the first argument and the field as the second argument. For example,
|
|
@code{GTK_SIGNAL_OFFSET (GtkObjectClass, destroy)} will give the offset
|
|
of the @code{destroy} class function within the
|
|
@code{GtkObjectClass}. Note: An offset is specified instead of an
|
|
absolute location since there will be multiple instances of a class
|
|
structure being referenced. (The @code{GtkWidgetClass} structure ``is
|
|
a'' @code{GtkObjectClass} structure, etc.)
|
|
|
|
The @var{marshaller} function is used to invoke a signal handler. Since
|
|
signal handlers may take different parameters and return values and a
|
|
general mechanism for invoking them is not apparent, the approach of
|
|
making the signal creator responsible for invoking the signal handler
|
|
was taken. (FIXME: unfinished).
|
|
|
|
The @var{return_val} and @var{nparams} and the remaining arguments
|
|
specify the return value and the arguments to the signal handler
|
|
respectively. Note: There is an implicit first argument to every signal
|
|
handler which is the widget the signal has been emitted from. The
|
|
variable argument list (@var{@dots{}}) specifies the types of the
|
|
arguments. These can be one of @code{GTK_PARAM_CHAR},
|
|
@code{GTK_PARAM_SHORT}, @code{GTK_PARAM_INT}, @code{GTK_PARAM_LONG},
|
|
@code{GTK_PARAM_POINTER} or @code{GTK_PARAM_FUNCTION}. It is undefined
|
|
to specify @code{GTK_PARAM_NONE} as an argument type, however it is ok
|
|
to use @code{GTK_PARAM_NONE} for @var{return_val}. (This corresponds to
|
|
returning a @code{void}).
|
|
|
|
@code{gtk_signal_new} returns the integer identifier of the newly
|
|
created signal. Signal identifiers start numbering at 1 and increase
|
|
upwards. A value of -1 will be returned if an error occurs.
|
|
|
|
@strong{Note:} @code{gtk_signal_new} is only needed by widget writers. A
|
|
normal user of GTK will never needed to invoke this function.
|
|
@end deftypefun
|
|
|
|
@deftypefun gint gtk_signal_lookup (gchar *@var{name}, gint @var{object_type})
|
|
Returns the integer identifier for the signal referenced by @var{name}
|
|
and @var{object_type}. If @var{object_type} does not define the signal
|
|
@var{name}, then the signal is looked for in @var{object_type}'s parent
|
|
type recursively.
|
|
@end deftypefun
|
|
|
|
@deftypefun gint gtk_signal_emit (GtkObject *@var{object}, gint @var{signal_type}, @dots{})
|
|
Emit the signal specified by the integer identifier @var{signal_type}
|
|
from @var{object}. If an error occurs, @code{gtk_signal_emit} will
|
|
return @code{FALSE} and will return @code{TRUE} on success. The signal
|
|
definition determines the parameters passed in the variable argument
|
|
list (@code{@dots{}}). For example, if the signal is defined as:
|
|
|
|
@example
|
|
gint (* event) (GtkWidget *widget, GdkEvent *event);
|
|
@end example
|
|
|
|
Then a call to emit the ``event'' signal would look like:
|
|
|
|
@example
|
|
GdkEvent event;
|
|
gint return_val;
|
|
@dots{}
|
|
gtk_signal_emit (some_object,
|
|
gtk_signal_lookup ("event",
|
|
GTK_OBJECT_TYPE (some_object)),
|
|
&event, &return_val);
|
|
@end example
|
|
|
|
Notice that the @code{widget} argument is implicit in that the first
|
|
argument to every signal is a type derived from @code{GtkObject}. The
|
|
@var{return_val} argument is actually a pointer to the return value type
|
|
since the signal mechanism needs to be able to place the return value in
|
|
an actual location. And lastly, the @code{gtk_signal_lookup} call is
|
|
normally avoided by using the @code{gtk_signal_emit_by_name} function
|
|
instead. @code{gtk_signal_emit} is normally used internally by widgets
|
|
which know the signal identifier (since they defined the signal) and can
|
|
therefore side-step the cost of calling @code{gtk_signal_lookup}.
|
|
@end deftypefun
|
|
|
|
@deftypefun gint gtk_signal_emit_by_name (GtkObject *@var{object}, gchar *@var{name}, @dots{})
|
|
Similar to @code{gtk_signal_emit} except that the signal is referenced
|
|
by @var{name} instead of by its integer identifier.
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_signal_emit_stop (GtkObject *@var{object}, gint @var{signal_type})
|
|
Stop the emission of the signal @var{signal_type} on
|
|
@var{object}. @var{signal_type} is the integer identifier for the signal
|
|
and can be determined using the function
|
|
@code{gtk_signal_lookup}. Alternatively, the function
|
|
@code{gtk_signal_emit_stop_by_name} can be used to refer to the signal
|
|
by name. Attempting to stop the emission of a signal that isn't being
|
|
emitted does nothing.
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_signal_emit_stop_by_name (GtkObject *@var{object}, gchar *@var{name})
|
|
Similar to @code{gtk_signal_emit_stop} except that the signal is
|
|
referenced by @var{name} instead of by its integer identifier.
|
|
@end deftypefun
|
|
|
|
@deftypefun gint gtk_signal_connect (GtkObject *@var{object}, gchar *@var{name}, GtkSignalFunc @var{func}, gpointer @var{func_data})
|
|
Connects a signal handling function to a signal emitting
|
|
object. @var{func} is connected to the signal @var{name} emitted by
|
|
@var{object}. The arguments and returns type of @var{func} should match
|
|
the arguments and return type of the signal @var{name}. However,
|
|
@var{func} may take the extra argument of @var{func_data}. Due to the C
|
|
calling convention it is ok to ignore the extra argument. (It is ok to
|
|
ignore all the arguments in fact).
|
|
|
|
@code{gtk_signal_connect} returns an integer identifier for the
|
|
connection which can be used to refer to it in the future. Specifically
|
|
it is useful for removing the connection and/or blocking it from being
|
|
used.
|
|
@end deftypefun
|
|
|
|
@deftypefun gint gtk_signal_connect_after (GtkObject *@var{object}, gchar *@var{name}, GtkSignalFunc @var{func}, gpointer @var{func_data})
|
|
Similar to @code{gtk_signal_connect} except the signal handler is
|
|
connected in the ``after'' slot. This allows a signal handler to be
|
|
guaranteed to run after other signal handlers connected to the same
|
|
signal on the same object and after the class function associated with
|
|
the signal.
|
|
|
|
Like @code{gtk_signal_connect}, @code{gtk_signal_connect_after} returns
|
|
an integer identifier which can be used to refer to the connection.
|
|
@end deftypefun
|
|
|
|
@deftypefun gint gtk_signal_connect_object (GtkObject *@var{object}, gchar *@var{name}, GtkSignalFunc @var{func}, GtkObject *@var{slot_object})
|
|
Connects @var{func} to the signal @var{name} emitted by
|
|
@var{object}. Similar to @code{gtk_signal_connect} with the difference
|
|
that @var{slot_object} is passed as the first parameter to @var{func}
|
|
instead of the signal emitting object. This can be useful for connecting
|
|
a signal emitted by one object to a signal in another object. A common
|
|
usage is to connect the ``destroy'' signal of dialog to the ``clicked''
|
|
signal emitted by a ``close'' button in the dialog. That is, the
|
|
``clicked'' signal emitted by the button will caused the ``destroy''
|
|
signal to be emitted for the dialog. This is also the ``right'' way to
|
|
handle closing of a dialog since the ``destroy'' signal will be sent if
|
|
the dialog is deleted using a window manager function and this enables
|
|
the two methods of closing the window to be handled by the same
|
|
mechanism. Returns an integer identifier which can be used to refer to
|
|
the connection.
|
|
@end deftypefun
|
|
|
|
@deftypefun gint gtk_signal_connect_object_after (GtkObject *@var{object}, gchar *@var{name}, GtkSignalFunc @var{func}, GtkObject *@var{slot_object})
|
|
Similar to @code{gtk_signal_connect_object} except the signal handler is
|
|
connected in the ``after'' slot. This allows a signal handler to be
|
|
guaranteed to run after other signal handlers connected to the same
|
|
signal on the same object and after the class function associated with
|
|
the signal. Returns an integer identifier which can be used to refer to
|
|
the connection.
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_signal_disconnect (GtkObject *@var{object}, gint @var{id})
|
|
Disconnects a signal handler from an object. The signal handler is
|
|
identified by the integer @var{id} which is returned by the
|
|
@code{gtk_signal_connect*} family of functions.
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_signal_disconnect_by_data (GtkObject *@var{object}, gpointer @var{data})
|
|
Disconnects a signal handler from an object. The signal handler is
|
|
identified by the @var{data} argument specified as the @var{func_data}
|
|
argument to the @code{gtk_signal_connect*} family of functions. For the
|
|
@code{gtk_signal_connect_object*} functions, @var{data} refers to the
|
|
@var{slot_object}.
|
|
|
|
@strong{Note:} This will remove all signal handlers connected to
|
|
@var{object} which were connected using @var{data} as their
|
|
@var{func_data} argument. Multiple signal handlers may be disconnected
|
|
with this call.
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_signal_handler_block (GtkObject *@var{object}, gint @var{id})
|
|
Blocks calling of a signal handler during signal emission. The signal
|
|
handler is identified by the integer @var{id} which is returned by the
|
|
@code{gtk_signal_connect*} family of functions. If the signal is already
|
|
blocked no change is made.
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_signal_handler_block_by_data (GtkObject *@var{object}, gint @var{data})
|
|
Blocks calling of a signal handler during signal emission. The signal
|
|
handler is identified by the @var{data} argument specified as the
|
|
@var{func_data} argument to the @code{gtk_signal_connect*} family of
|
|
functions. For the @code{gtk_signal_connect_object*} functions,
|
|
@var{data} refers to the @var{slot_object}. If the signal is already
|
|
blocked no change is made.
|
|
|
|
@strong{Note:} This will block all signal handlers connected to
|
|
@var{object} which were connected using @var{data} as their
|
|
@var{func_data} argument. Multiple signal handlers may be blocked
|
|
with this call.
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_signal_handler_unblock (GtkObject *@var{object}, gint @var{id})
|
|
Unblocks calling of a signal handler during signal emission. The signal
|
|
handler is identified by the integer @var{id} which is returned by the
|
|
@code{gtk_signal_connect*} family of functions. If the signal is already
|
|
unblocked no change is made.
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_signal_handler_unblock_by_data (GtkObject *@var{object}, gint @var{data})
|
|
Unblocks calling of a signal handler during signal emission. The signal
|
|
handler is identified by the @var{data} argument specified as the
|
|
@var{func_data} argument to the @code{gtk_signal_connect*} family of
|
|
functions. For the @code{gtk_signal_connect_object*} functions,
|
|
@var{data} refers to the @var{slot_object}. If the signal is already
|
|
unblocked no change is made.
|
|
|
|
@strong{Note:} This will unblock all signal handlers connected to
|
|
@var{object} which were connected using @var{data} as their
|
|
@var{func_data} argument. Multiple signal handlers may be unblocked
|
|
with this call.
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_signal_handlers_destroy (GtkObject *@var{object})
|
|
Destroy all of the signal handlers connected to @var{object}. There
|
|
should normally never be reason to call this function as it is called
|
|
automatically when @var{object} is destroyed.
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_signal_default_marshaller (GtkObject *@var{object}, GtkSignalFunc @var{func}, gpointer @var{func_data}, GtkSignalParam *@var{params})
|
|
@code{gtk_signal_new} requires a callback in order to actually call a
|
|
signal handler for a particular signal. The vast majority of signals are
|
|
of the particular form:
|
|
|
|
@example
|
|
(* std_signal) (gpointer std_arg);
|
|
@end example
|
|
|
|
@code{gtk_signal_default_marshaller} is a signal marshaller which
|
|
marshals arguments for a signal of that form.
|
|
@end deftypefun
|
|
|
|
|
|
@node Widgets, Other Objects, Signals, Top
|
|
@comment node-name, next, previous, up
|
|
@chapter Widget Overview
|
|
@cindex Widgets
|
|
|
|
|
|
Widgets are the general term used to describe user interface objects. A
|
|
widget defines a class interface that all user interface objects conform
|
|
to. This interface allows a uniform method for dealing with operations
|
|
common to all objects such as hiding and showing, size requisition and
|
|
allocation and events.
|
|
|
|
The common interface that widgets must adhere to is described by the
|
|
GtkWidget and GtkWidgetClass structure. For the purposes of using GTK
|
|
these structures can be considered read-only and, for the most part,
|
|
opaque.
|
|
|
|
All widget creation routines in GTK return pointers to GtkWidget
|
|
structures. In reality, all widget creation routines create structures
|
|
that can be viewed as equivalent to the GtkWidget structure, but often
|
|
have contain additional information. @xref{Object Implementation}
|
|
|
|
The widgets available for use are implemented in a hierarchy. Several
|
|
widgets exist solely as common bases for more specific widgets. For
|
|
example, it is not possible to create a ruler widget itself, but the
|
|
ruler widget provides a base and functionality common to the horizontal
|
|
and vertical rulers.
|
|
|
|
The available widgets (in alphabetical order):
|
|
|
|
@menu
|
|
* GtkAlignment:: The alignment widget.
|
|
* GtkArrow:: The arrow widget.
|
|
* GtkBin:: The bin widget.
|
|
* GtkBox:: The box widget.
|
|
* GtkButton:: The button widget.
|
|
* GtkCheckButton:: The check button widget.
|
|
* GtkCheckMenuItem:: The check menu item widget.
|
|
* GtkContainer:: The container widget.
|
|
* GtkDialog:: The dialog widget.
|
|
* GtkDrawingArea:: The drawing area widget.
|
|
* GtkEntry:: The entry widget.
|
|
* GtkFileSelection:: The file selection dialog widget.
|
|
* GtkFrame:: The frame widget.
|
|
* GtkHBox:: The horizontal box widget.
|
|
* GtkHRuler:: The horizontal ruler widget.
|
|
* GtkHScale:: The horizontal scale widget.
|
|
* GtkHScrollbar:: The horizontal scrollbar widget.
|
|
* GtkHSeparator:: The horizontal separator widget.
|
|
* GtkImage:: The image widget.
|
|
* GtkItem:: The item widget.
|
|
* GtkLabel:: The label widget.
|
|
* GtkList:: The list widget.
|
|
* GtkListItem:: The list item widget.
|
|
* GtkMenu:: The menu widget.
|
|
* GtkMenuBar:: The menu bar widget.
|
|
* GtkMenuItem:: The menu item widget.
|
|
* GtkMenuShell:: The menu shell widget.
|
|
* GtkMisc:: The misc widget.
|
|
* GtkNotebook:: The notebook widget.
|
|
* GtkOptionMenu:: The option menu widget.
|
|
* GtkPixmap:: The pixmap widget.
|
|
* GtkPreview:: The preview widget.
|
|
* GtkProgressBar:: The progress bar widget.
|
|
* GtkRadioButton:: The radio button widget.
|
|
* GtkRadioMenuItem:: The radio menu item widget.
|
|
* GtkRange:: The range widget.
|
|
* GtkRuler:: The ruler widget.
|
|
* GtkScale:: The scale widget.
|
|
* GtkScrollbar:: The scrollbar widget.
|
|
* GtkScrolledWindow:: The scrolled window widget.
|
|
* GtkSeparator:: The separator widget.
|
|
* GtkTable:: The table widget.
|
|
* GtkText:: The text widget.
|
|
* GtkToggleButton:: The toggle button widget.
|
|
* GtkTree:: The tree widget.
|
|
* GtkTreeItem:: The tree item widget.
|
|
* GtkVBox:: The vertical box widget.
|
|
* GtkViewport:: The viewport widget.
|
|
* GtkVRuler:: The vertical ruler widget.
|
|
* GtkVScale:: The vertical scale widget.
|
|
* GtkVScrollbar:: The vertical scrollbar widget.
|
|
* GtkVSeparator:: The vertical separator widget.
|
|
* GtkWidget:: The base widget type.
|
|
* GtkWindow:: The window widget.
|
|
@end menu
|
|
|
|
|
|
@node GtkAlignment, GtkArrow, Widgets, Widgets
|
|
@comment node-name, next, previous, up
|
|
@section The alignment widget
|
|
|
|
|
|
@subsection Description
|
|
|
|
The alignment widget is a container (@pxref{GtkContainer}) derived from
|
|
the bin widget (@pxref{GtkBin}). Its entire purpose is to give the
|
|
programmer flexibility in how the child it manages is positioned when a
|
|
window is resized.
|
|
|
|
Normally, a widget is allocated at least as much size as it
|
|
requests. (@pxref{GtkContainer} for a discussion of geometry
|
|
management). When a widget is allocated more size than it requests there
|
|
is a question of how the widget should expand. By convention, most GTK
|
|
widgets expand to fill their allocated space. Sometimes this behavior is
|
|
not desired. The alignment widget allows the programmer to specify how a
|
|
widget should expand and position itself to fill the area it is
|
|
allocated.
|
|
|
|
@subsection Options
|
|
|
|
@defopt xscale
|
|
@defoptx yscale
|
|
The @var{xscale} and @var{yscale} options specify how to scale the child
|
|
widget. If the scale value is 0.0, the child widget is allocated exactly
|
|
the size it requested in that dimension. If the scale value is 1.0, the
|
|
child widget is allocated all of the space in a dimension. A scale value
|
|
of 1.0 for both x and y is equivalent to not using an alignment widget.
|
|
@end defopt
|
|
|
|
@defopt xalign
|
|
@defoptx yalign
|
|
The @var{xalign} and @var{yalign} options specify how to position the
|
|
child widget when it is not allocated all the space available to it
|
|
(because the @var{xscale} and/or @var{yscale} options are less than
|
|
1.0). If an alignment value is 0.0 the widget is positioned to the left
|
|
(or top) of its allocated space. An alignment value of 1.0 positions the
|
|
widget to the right (or bottom) of its allocated space. A common usage
|
|
is to specify @var{xalign} and @var{yalign} to be 0.5 which causes the
|
|
widget to be centered within its allocated area.
|
|
@end defopt
|
|
|
|
@subsection Signals
|
|
|
|
@subsection Functions
|
|
|
|
@deftypefun guint gtk_alignment_get_type (void)
|
|
Returns the @code{GtkAlignment} type identifier.
|
|
@end deftypefun
|
|
|
|
@deftypefun GtkWidget* gtk_alignment_new (gfloat @var{xalign}, gfloat @var{yalign}, gfloat @var{xscale}, gfloat @var{yscale})
|
|
Create a new @code{GtkAlignment} object and initialize it with the
|
|
values @var{xalign}, @var{yalign}, @var{xscale} and @var{yscale}. The
|
|
new widget is returned as a pointer to a @code{GtkWidget}
|
|
object. @code{NULL} is returned on failure.
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_alignment_set (GtkAlignment *@var{alignment}, gfloat @var{xalign}, gfloat @var{yalign}, gfloat @var{xscale}, gfloat @var{yscale})
|
|
Set the @var{xalign}, @var{yalign}, @var{xscale} and @var{yscale} options
|
|
of an alignment widget. It is important to not set the fields of the
|
|
@code{GtkAlignment} structure directly (or, for that matter, any type
|
|
derived from @code{GtkObject}).
|
|
@end deftypefun
|
|
|
|
@gtkstdmacros{Alignment, ALIGNMENT}
|
|
|
|
|
|
@page
|
|
@node GtkArrow, GtkBin, GtkAlignment, Widgets
|
|
@comment node-name, next, previous, up
|
|
@section The arrow widget
|
|
|
|
@subsection Description
|
|
|
|
The arrow widget is derived from the misc widget (@pxref{GtkMisc}) and
|
|
is intended for use where a directional arrow (in one of the four
|
|
cardinal directions) is desired. As such, it has very limited
|
|
functionality and basically only draws itself in a particular direction
|
|
and with a particular shadow type. The arrow widget will expand to fill
|
|
all the space it is allocated.
|
|
|
|
@subsection Options
|
|
|
|
@defopt arrow_type
|
|
The @var{arrow_type} option specifies which direction the arrow will
|
|
point. It can be one of @code{GTK_ARROW_UP}, @code{GTK_ARROW_DOWN},
|
|
@code{GTK_ARROW_LEFT} or @code{GTK_ARROW_RIGHT}.
|
|
@end defopt
|
|
|
|
@defopt shadow_type
|
|
The @var{shadow_type} option specifies how to draw the shadow for the
|
|
arrow. Currently, only the @code{GTK_SHADOW_IN} and
|
|
@code{GTK_SHADOW_OUT} shadow types are supported for drawing
|
|
arrows. Other shadow types will cause nothing to be drawn.
|
|
@end defopt
|
|
|
|
@subsection Signals
|
|
|
|
@subsection Functions
|
|
|
|
@deftypefun guint gtk_arrow_get_type (void)
|
|
Returns the @code{GtkArrow} type identifier.
|
|
@end deftypefun
|
|
|
|
@deftypefun GtkWidget* gtk_arrow_new (GtkArrowType @var{arrow_type}, GtkShadowType @var{shadow_type})
|
|
Create a new @code{GtkArrow} object and initialize it with the values
|
|
@var{arrow_type} and @var{shadow_type}. The new widget is returned as a
|
|
pointer to a @code{GtkWidget} object. @code{NULL} is returned on
|
|
failure.
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_arrow_set (GtkArrow *@var{arrow}, GtkArrowType @var{arrow_type}, GtkShadowType @var{shadow_type})
|
|
Set the @var{arrow_type} and @var{shadow_type} options of an arrow
|
|
widget. It is important to not set the fields of the @code{GtkArrow}
|
|
structure directly (or, for that matter, any type derived from
|
|
@code{GtkObject}).
|
|
@end deftypefun
|
|
|
|
@gtkstdmacros{Arrow, ARROW}
|
|
|
|
|
|
@page
|
|
@node GtkBin, GtkBox, GtkArrow, Widgets
|
|
@comment node-name, next, previous, up
|
|
@section The bin widget
|
|
|
|
@subsection Description
|
|
|
|
The bin widget is a container (@pxref{GtkContainer}) derived from the
|
|
container widget. It is an abstract base class. That is, it is not
|
|
possible to create an actual bin widget. It exists only to provide a
|
|
base of functionality for other widgets. Specifically, the bin widget
|
|
provides a base for several other widgets that contain only a single
|
|
child. These widgets include alignments (@pxref{GtkAlignment}), frames
|
|
(@pxref{GtkFrame}), items (@pxref{GtkItem}), viewports
|
|
(@pxref{GtkViewport}) and windows (@pxref{GtkWindow})
|
|
|
|
@subsection Signals
|
|
|
|
@subsection Functions
|
|
|
|
@deftypefun guint gtk_bin_get_type (void)
|
|
Returns the @code{GtkBin} type identifier.
|
|
@end deftypefun
|
|
|
|
@gtkstdmacros{Bin, BIN}
|
|
|
|
|
|
@page
|
|
@node GtkBox, GtkButton, GtkBin, Widgets
|
|
@comment node-name, next, previous, up
|
|
@section The box widget
|
|
|
|
|
|
@subsection Description
|
|
|
|
The box widget is a container (@pxref{GtkContainer}) derived from the
|
|
container widget. It is an abstract base class used by the horizontal
|
|
box (@pxref{GtkHBox}) and vertical box (@pxref{GtkVBox}) widgets to
|
|
provide a base of common functionality.
|
|
|
|
A box provides an abstraction for organizing the position and size of
|
|
widgets. Widgets in a box are layed out horizontally or vertically. By
|
|
using a box widget appropriately, a programmer can control how widgets
|
|
are positioned and how they will be allocated space when a window gets
|
|
resized.
|
|
|
|
The key attribute of boxes is that they position their children in a
|
|
single row (horizontal boxes) or column (vertical boxes). In the case of
|
|
horizontal boxes, all children are stretched vertically. The vertical
|
|
size of the box is determined by the largest vertical requisition of all
|
|
of its children. Similarly, a vertical box streches all of its children
|
|
horizontally. The horizontal size (of the vertical box) is determined by
|
|
the largest horizontal requisition of all of its children. An alignment
|
|
widget (@pxref{GtkAlignment}) can be used to control child allocation
|
|
more precisely on a per child basis.
|
|
|
|
The second attribute of boxes is how they expand children. In the case
|
|
of a horizontal box, the main control is over how children are expanded
|
|
horizontally to fill the allocated area. (The rest of this discussion
|
|
will focus on horizontal boxes but it applies to vertical boxes as
|
|
well).
|
|
|
|
There are two flags which can be set controlling how a widget is
|
|
expanded horizontally in a horizontal box. These are the @code{expand}
|
|
and @code{fill}. There operation is fairly simple. If @code{expand} is
|
|
set, the childs potentially allocated area will expand to fill available
|
|
space. If @code{fill} is set, the childs actual allocated area will be
|
|
its potentially allocated area. There is a difference between
|
|
the potentially area (which is the area the box widget sets aside for
|
|
the child) and the actual allocated area (which is the area the box
|
|
widget actual allocates for the widget via
|
|
@code{gtk_widget_size_allocate}).
|
|
|
|
The allocation of space to children occurs as follows (for horizontal
|
|
boxes):
|
|
@enumerate
|
|
@item
|
|
All children are allocated at least their requested size horizontally
|
|
and the maximum requested child size vertically.
|
|
|
|
@item
|
|
Any child with the @code{expand} flag set is allocated @code{extra_width
|
|
/ nexpand_children} extra pixels horizontally. If the @code{homogeneous}
|
|
flag was set, all children are considered to have the @code{expand} flag
|
|
set. That is, all children will be allocated the same area.The
|
|
horizontal box is a fair widget and, as such, divides up any extra
|
|
allocated space evenly among the ``expand'' children. (Those children
|
|
which have the @code{expand} flag set). The exception occurs when
|
|
@code{extra_width / nexpand_children} does not divide cleanly. The extra
|
|
space is given to the last widget.
|
|
|
|
@item
|
|
@code{spacing} number of pixels separate each child. Note: The
|
|
separation is between the potentially allocated area for each child and
|
|
not the actual allocated area. The @code{padding} value associated with
|
|
each child causes that many pixels to be left empty to each side of the
|
|
child.
|
|
|
|
@item
|
|
If a child has the @code{fill} flag set it is allocated its potentially
|
|
allocated area. If it does not, it is allocated its requested size
|
|
horizontally and centered within its potentially allocated area. Its
|
|
vertical allocation is still the maximum requested size of any child.
|
|
|
|
@item
|
|
Children placed at the start of the box are placed in order of addition
|
|
to the box from left to right in the boxes allocated area.. Children
|
|
placed at the end of the box are placed in order of addition from right
|
|
to left in the boxes allocated area.
|
|
@end enumerate
|
|
|
|
@xref{GtkHBox}, and @ref{GtkVBox}, for code examples of using horizontal
|
|
and vertical boxes.
|
|
|
|
@subsection Options
|
|
|
|
@c FIXME: options for GtkBox
|
|
|
|
@subsection Signals
|
|
|
|
@subsection Functions
|
|
|
|
@deftypefun guint gtk_box_get_type (void)
|
|
Returns the @code{GtkBox} type identifier.
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_box_pack_start (GtkBox *@var{box}, GtkWidget *@var{child}, gint @var{expand}, gint @var{fill}, gint @var{padding})
|
|
Add @var{child} to the front of @var{box}. The flags @var{expand} and
|
|
@var{fill} and the padding value of @var{padding} are associated with
|
|
@var{child}.
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_box_pack_end (GtkBox *@var{box}, GtkWidget *@var{child}, gint @var{expand}, gint @var{fill}, gint @var{padding})
|
|
Add @var{child} to the end of @var{box}. The flags @var{expand} and
|
|
@var{fill} and the padding value of @var{padding} are associated with
|
|
@var{child}.
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_box_pack_start_defaults (GtkBox *@var{box}, GtkWidget *@var{widget})
|
|
A convenience function which is equivalent to the following:
|
|
|
|
@example
|
|
gtk_box_pack_start (@var{box}, @var{widget}, TRUE, TRUE, 0);
|
|
@end example
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_box_pack_end_defaults (GtkBox *@var{box}, GtkWidget *@var{widget})
|
|
A convenience function which is equivalent to the following:
|
|
|
|
@example
|
|
gtk_box_pack_start (@var{box}, @var{widget}, TRUE, TRUE, 0);
|
|
@end example
|
|
@end deftypefun
|
|
|
|
@gtkstdmacros{Box, BOX}
|
|
|
|
|
|
@page
|
|
@node GtkButton, GtkCheckButton, GtkBox, Widgets
|
|
@comment node-name, next, previous, up
|
|
@section The button widget
|
|
|
|
|
|
@subsection Description
|
|
|
|
@subsection Signals
|
|
|
|
@deftypefn Signal void GtkButton::pressed (GtkButton *@var{button})
|
|
@end deftypefn
|
|
|
|
@deftypefn Signal void GtkButton::released (GtkButton *@var{button})
|
|
@end deftypefn
|
|
|
|
@deftypefn Signal void GtkButton::clicked (GtkButton *@var{button})
|
|
@end deftypefn
|
|
|
|
@deftypefn Signal void GtkButton::enter (GtkButton *@var{button})
|
|
@end deftypefn
|
|
|
|
@deftypefn Signal void GtkButton::leave (GtkButton *@var{button})
|
|
@end deftypefn
|
|
|
|
@subsection Functions
|
|
|
|
@deftypefun guint gtk_button_get_type (void)
|
|
@end deftypefun
|
|
|
|
@deftypefun GtkWidget* gtk_button_new (void)
|
|
@end deftypefun
|
|
|
|
@deftypefun GtkWidget* gtk_button_new_with_label (gchar *@var{label})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_button_pressed (GtkButton *@var{button})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_button_released (GtkButton *@var{button})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_button_clicked (GtkButton *@var{button})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_button_enter (GtkButton *@var{button})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_button_leave (GtkButton *@var{button})
|
|
@end deftypefun
|
|
|
|
@gtkstdmacros{Button, BUTTON}
|
|
|
|
|
|
@page
|
|
@node GtkCheckButton, GtkCheckMenuItem, GtkButton, Widgets
|
|
@comment node-name, next, previous, up
|
|
@section The check button widget
|
|
|
|
|
|
@subsection Description
|
|
|
|
@subsection Signals
|
|
|
|
@subsection Functions
|
|
|
|
@deftypefun guint gtk_check_button_get_type (void)
|
|
@end deftypefun
|
|
|
|
@deftypefun GtkWidget* gtk_check_button_new (void)
|
|
@end deftypefun
|
|
|
|
@deftypefun GtkWidget* gtk_check_button_new_with_label (gchar *@var{label})
|
|
@end deftypefun
|
|
|
|
@deftypefun GtkCheckButton* GTK_CHECK_BUTTON (gpointer @var{obj})
|
|
@end deftypefun
|
|
|
|
@deftypefun GtkCheckButtonClass* GTK_CHECK_BUTTON_CLASS (gpointer @var{class})
|
|
@end deftypefun
|
|
|
|
@deftypefun gint GTK_IS_CHECK_BUTTON (gpointer @var{obj})
|
|
@end deftypefun
|
|
|
|
@gtkstdmacros{CheckButton, CHECK_BUTTON}
|
|
|
|
|
|
@page
|
|
@node GtkCheckMenuItem, GtkContainer, GtkCheckButton, Widgets,
|
|
@comment node-name, next, previous, up
|
|
@section The check menu item widget
|
|
|
|
|
|
@subsection Description
|
|
|
|
@subsection Signals
|
|
|
|
@deftypefn Signal void GtkCheckMenuItem::toggled (GtkCheckMenuItem *@var{check_menu_item})
|
|
@end deftypefn
|
|
|
|
@subsection Functions
|
|
|
|
@deftypefun guint gtk_check_menu_item_get_type (void)
|
|
@end deftypefun
|
|
|
|
@deftypefun GtkWidget* gtk_check_menu_item_new (void)
|
|
@end deftypefun
|
|
|
|
@deftypefun GtkWidget* gtk_check_menu_item_new_with_label (gchar *@var{label})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_check_menu_item_set_state (GtkCheckMenuItem *@var{check_menu_item}, gint @var{state})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_check_menu_item_toggled (GtkCheckMenuItem *@var{check_menu_item})
|
|
@end deftypefun
|
|
|
|
@gtkstdmacros{CheckMenuItem, CHECK_MENU_ITEM}
|
|
|
|
|
|
@page
|
|
@node GtkContainer, GtkDialog, GtkCheckMenuItem, Widgets
|
|
@comment node-name, next, previous, up
|
|
@section The container widget
|
|
|
|
|
|
@subsection Description
|
|
|
|
@subsection Signals
|
|
|
|
@deftypefn Signal void GtkContainer::add (GtkContainer *@var{container}, GtkWidget *@var{widget})
|
|
@end deftypefn
|
|
|
|
@deftypefn Signal void GtkContainer::remove (GtkContainer *@var{container}, GtkWidget *@var{widget})
|
|
@end deftypefn
|
|
|
|
@deftypefn Signal void GtkContainer::need_resize (GtkContainer *@var{container}, GtkWidget *@var{widget})
|
|
@end deftypefn
|
|
|
|
@deftypefn Signal void GtkContainer::foreach (GtkContainer *@var{container}, GtkCallback @var{callback}, gpointer @var{callback_data})
|
|
@end deftypefn
|
|
|
|
@deftypefn Signal gint GtkContainer::focus (GtkContainer *@var{container}, GtkDirectionType @var{direction})
|
|
@end deftypefn
|
|
|
|
@subsection Functions
|
|
|
|
@deftypefun guint gtk_container_get_type (void)
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_container_border_width (GtkContainer *@var{container}, gint @var{border_width})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_container_add (GtkContainer *@var{container}, GtkWidget *@var{widget})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_container_remove (GtkContainer *@var{container}, GtkWidget *@var{widget})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_container_disable_resize (GtkContainer *@var{container})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_container_enable_resize (GtkContainer *@var{container})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_container_block_resize (GtkContainer *@var{container})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_container_unblock_resize (GtkContainer *@var{container})
|
|
@end deftypefun
|
|
|
|
@deftypefun gint gtk_container_need_resize (GtkContainer *@var{container}, GtkWidget *@var{widget})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_container_check_resize (GtkContainer *@var{container}, GtkWidget *@var{widget})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_container_foreach (GtkContainer *@var{container}, GtkCallback @var{callback}, gpointer @var{callback_data})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_container_focus (GtkContainer *@var{container}, GtkDirectionType @var{direction})
|
|
@end deftypefun
|
|
|
|
@deftypefun GList* gtk_container_children (GtkContainer @var{container})
|
|
@end deftypefun
|
|
|
|
@gtkstdmacros{Container, CONTAINER}
|
|
|
|
|
|
@page
|
|
@node GtkDialog, GtkDrawingArea, GtkContainer, Widgets
|
|
@comment node-name, next, previous, up
|
|
@section The dialog widget
|
|
|
|
|
|
@subsection Description
|
|
|
|
@subsection Signals
|
|
|
|
@subsection Functions
|
|
|
|
@deftypefun guint gtk_dialog_get_type (void)
|
|
@end deftypefun
|
|
|
|
@deftypefun GtkWidget* gtk_dialog_new (void)
|
|
@end deftypefun
|
|
|
|
@gtkstdmacros{Dialog, DIALOG}
|
|
|
|
|
|
@page
|
|
@node GtkDrawingArea, GtkEntry, GtkDialog, Widgets
|
|
@comment node-name, next, previous, up
|
|
@section The drawing area widget
|
|
|
|
|
|
@subsection Description
|
|
|
|
@subsection Signals
|
|
|
|
@subsection Functions
|
|
|
|
@deftypefun guint gtk_drawing_area_get_type (void)
|
|
@end deftypefun
|
|
|
|
@deftypefun GtkWidget* gtk_drawing_area_new (void)
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_drawing_area_size (GtkDrawingArea *@var{darea}, gint @var{width}, gint @var{height})
|
|
@end deftypefun
|
|
|
|
@gtkstdmacros{DrawingArea, DRAWING_AREA}
|
|
|
|
|
|
@page
|
|
@node GtkEntry, GtkFileSelection, GtkDrawingArea, Widgets
|
|
@comment node-name, next, previous, up
|
|
@section The entry widget
|
|
|
|
|
|
@subsection Description
|
|
|
|
@subsection Signals
|
|
|
|
@deftypefn Signal void GtkEntry::insert (GtkEntry *@var{entry}, gchar *@var{text}, gint @var{length}, gint *@var{position})
|
|
@end deftypefn
|
|
|
|
@deftypefn Signal void GtkEntry::delete (GtkEntry *@var{entry}, gint @var{start_pos}, gint @var{end_pos})
|
|
@end deftypefn
|
|
|
|
@deftypefn Signal void GtkEntry::changed (GtkEntry *@var{entry})
|
|
@end deftypefn
|
|
|
|
@subsection Functions
|
|
|
|
@deftypefun guint gtk_entry_get_type (void)
|
|
@end deftypefun
|
|
|
|
@deftypefun GtkWidget* gtk_entry_new (void)
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_entry_set_text (GtkEntry *@var{entry}, gchar *@var{text})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_entry_append_text (GtkEntry *@var{entry}, gchar *@var{text})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_entry_prepend_text (GtkEntry *@var{entry}, gchar *@var{text})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_entry_set_position (GtkEntry *@var{entry}, gint @var{position})
|
|
@end deftypefun
|
|
|
|
@deftypefun gchar* gtk_entry_get_text (GtkEntry *@var{entry})
|
|
@end deftypefun
|
|
|
|
@gtkstdmacros{Entry, ENTRY}
|
|
|
|
|
|
@page
|
|
@node GtkFileSelection, GtkFrame, GtkEntry, Widgets
|
|
@comment node-name, next, previous, up
|
|
@section The file selection dialog widget
|
|
|
|
|
|
@subsection Description
|
|
|
|
@subsection Signals
|
|
|
|
@subsection Functions
|
|
|
|
@deftypefun guint gtk_file_selection_get_Type (void)
|
|
@end deftypefun
|
|
|
|
@deftypefun GtkWidget* gtk_file_selection_new (gchar *@var{title})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_file_selection_set_filename (GtkFileSelection *@var{filesel}, gchar *@var{filename})
|
|
@end deftypefun
|
|
|
|
@deftypefun gchar* gtk_file_selection_get_filename (GtkFileSelection *@var{filesel})
|
|
@end deftypefun
|
|
|
|
@gtkstdmacros{FileSelection, FILE_SELECTION}
|
|
|
|
|
|
@page
|
|
@node GtkFrame, GtkHBox, GtkFileSelection, Widgets
|
|
@comment node-name, next, previous, up
|
|
@section The frame widget
|
|
|
|
|
|
@subsection Description
|
|
|
|
@subsection Signals
|
|
|
|
@subsection Functions
|
|
|
|
@deftypefun guint gtk_frame_get_type (void)
|
|
@end deftypefun
|
|
|
|
@deftypefun GtkWidget* gtk_frame_new (gchar *@var{label})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_frame_set_label (GtkFrame *@var{frame}, gchar *@var{label})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_frame_set_label_align (GtkFrame *@var{frame}, gfloat @var{xalign}, gfloat @var{yalign})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_frame_set_shadow_type (GtkFrame *@var{frame}, GtkShadowType @var{type})
|
|
@end deftypefun
|
|
|
|
@gtkstdmacros{Frame, FRAME}
|
|
|
|
|
|
@page
|
|
@node GtkHBox, GtkHRuler, GtkFrame, Widgets
|
|
@comment node-name, next, previous, up
|
|
@section The horizontal box widget
|
|
|
|
|
|
@subsection Description
|
|
|
|
@subsection Signals
|
|
|
|
@subsection Functions
|
|
|
|
@deftypefun guint gtk_hbox_get_type (void)
|
|
@end deftypefun
|
|
|
|
@deftypefun GtkWidget* gtk_hbox_new (gint @var{homogeneous}, gint @var{spacing})
|
|
@end deftypefun
|
|
|
|
@gtkstdmacros{HBox, HBOX}
|
|
|
|
|
|
@page
|
|
@node GtkHRuler, GtkHScale, GtkHBox, Widgets
|
|
@comment node-name, next, previous, up
|
|
@section The horizontal ruler widget
|
|
|
|
|
|
@subsection Description
|
|
|
|
@subsection Signals
|
|
|
|
@subsection Functions
|
|
|
|
@deftypefun guint gtk_hruler_get_type (void)
|
|
@end deftypefun
|
|
|
|
@deftypefun GtkWidget* gtk_hruler_new (void)
|
|
@end deftypefun
|
|
|
|
@gtkstdmacros{HRuler, HRULER}
|
|
|
|
|
|
@page
|
|
@node GtkHScale, GtkHScrollbar, GtkHRuler, Widgets
|
|
@comment node-name, next, previous, up
|
|
@section The horizontal scale widget
|
|
|
|
|
|
@subsection Description
|
|
|
|
@subsection Signals
|
|
|
|
@subsection Functions
|
|
|
|
@deftypefun guint gtk_hscale_get_type (void)
|
|
@end deftypefun
|
|
|
|
@deftypefun GtkWidget* gtk_hscale_new (GtkAdjustment *@var{adjustment})
|
|
@end deftypefun
|
|
|
|
@gtkstdmacros{HScale, HSCALE}
|
|
|
|
|
|
@page
|
|
@node GtkHScrollbar, GtkHSeparator, GtkHScale, Widgets
|
|
@comment node-name, next, previous, up
|
|
@section The horizontal scrollbar widget
|
|
|
|
|
|
@subsection Description
|
|
|
|
@subsection Signals
|
|
|
|
@subsection Functions
|
|
|
|
@deftypefun guint gtk_hscrollbar_get_type (void)
|
|
@end deftypefun
|
|
|
|
@deftypefun GtkWidget* gtk_hscrollbar_new (GtkAdjustment *@var{adjustment})
|
|
@end deftypefun
|
|
|
|
@gtkstdmacros{HScrollbar, HSCROLLBAR}
|
|
|
|
|
|
@page
|
|
@node GtkHSeparator, GtkImage, GtkHScrollbar, Widgets
|
|
@comment node-name, next, previous, up
|
|
@section The horizontal separator widget
|
|
|
|
|
|
@subsection Description
|
|
|
|
@subsection Signals
|
|
|
|
@subsection Functions
|
|
|
|
@deftypefun guint gtk_hseparator_get_type (void)
|
|
@end deftypefun
|
|
|
|
@deftypefun GtkWidget* gtk_hseparator_new (void)
|
|
@end deftypefun
|
|
|
|
@gtkstdmacros{HSeparator, HSEPARATOR}
|
|
|
|
|
|
@page
|
|
@node GtkImage, GtkItem, GtkHSeparator, Widgets
|
|
@comment node-name, next, previous, up
|
|
@section The image widget
|
|
|
|
|
|
@subsection Description
|
|
|
|
@subsection Signals
|
|
|
|
@subsection Functions
|
|
|
|
@deftypefun guint gtk_image_get_type (void)
|
|
@end deftypefun
|
|
|
|
@deftypefun GtkWidget* gtk_image_new (GdkImage *@var{val})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_image_set (GtkImage *@var{image}, GdkImage *@var{val})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_image_get (GtkImage *@var{image}, GdkImage **@var{val})
|
|
@end deftypefun
|
|
|
|
@gtkstdmacros{Image, IMAGE}
|
|
|
|
|
|
@page
|
|
@node GtkItem, GtkLabel, GtkImage, Widgets
|
|
@comment node-name, next, previous, up
|
|
@section The item widget
|
|
|
|
|
|
@subsection Description
|
|
|
|
@subsection Signals
|
|
|
|
@deftypefn Signal void GtkItem::select (GtkItem *@var{item})
|
|
@end deftypefn
|
|
|
|
@deftypefn Signal void GtkItem::deselect (GtkItem *@var{item})
|
|
@end deftypefn
|
|
|
|
@deftypefn Signal void GtkItem::toggle (GtkItem *@var{toggle})
|
|
@end deftypefn
|
|
|
|
@subsection Functions
|
|
|
|
@deftypefun guint gtk_item_get_type (void)
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_item_select (GtkItem *@var{item})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_item_deselect (GtkItem *@var{item})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_item_toggle (GtkItem *@var{item})
|
|
@end deftypefun
|
|
|
|
@gtkstdmacros{Item, ITEM}
|
|
|
|
|
|
@page
|
|
@node GtkLabel, GtkList, GtkItem, Widgets
|
|
@comment node-name, next, previous, up
|
|
@section The label widget
|
|
|
|
|
|
@subsection Description
|
|
|
|
@subsection Signals
|
|
|
|
@subsection Functions
|
|
|
|
@deftypefun guint gtk_label_get_type (void)
|
|
@end deftypefun
|
|
|
|
@deftypefun GtkWidget* gtk_label_new (GtkLabel *@var{label}, gchar *@var{str})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_label_set (GtkLabel *@var{label}, gchar *@var{str})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_label_get (GtkLabel *@var{label}, gchar **@var{str})
|
|
@end deftypefun
|
|
|
|
@gtkstdmacros{Label, LABEL}
|
|
|
|
|
|
@page
|
|
@node GtkList, GtkListItem, GtkLabel, Widgets
|
|
@comment node-name, next, previous, up
|
|
@section The list widget
|
|
|
|
|
|
@subsection Description
|
|
|
|
@subsection Signals
|
|
|
|
@deftypefn Signal void GtkList::selection_changed (GtkList *@var{list})
|
|
@end deftypefn
|
|
|
|
@deftypefn Signal void GtkList::select_child (GtkList *@var{list}, GtkWidget *@var{child})
|
|
@end deftypefn
|
|
|
|
@deftypefn Signal void GtkList::unselect_child (GtkList *@var{list}, GtkWidget *@var{child})
|
|
@end deftypefn
|
|
|
|
@subsection Functions
|
|
|
|
@deftypefun guint gtk_list_get_type (void)
|
|
@end deftypefun
|
|
|
|
@deftypefun GtkWidget* gtk_list_new (void)
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_list_insert_items (GtkList *@var{list}, GList *@var{items}, gint @var{position})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_list_append_items (GtkList *@var{list}, GList *@var{items})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_list_prepend_items (GtkList *@var{list}, GList *@var{items})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_list_remove_items (GtkList *@var{list}, GList *@var{items})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_list_clear_items (GtkList *@var{list}, gint @var{start}, gint @var{end})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_list_select_item (GtkList *@var{list}, gint @var{item})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_list_unselect_item (GtkList *@var{list}, gint @var{item})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_list_select_child (GtkList *@var{list}, GtkWidget *@var{child})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_list_unselect_child (GtkList *@var{list}, GtkWidget *@var{child})
|
|
@end deftypefun
|
|
|
|
@deftypefun gint gtk_list_child_position (GtkList *@var{list}, GtkWidget *@var{child})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_list_set_selection_mode (GtkList *@var{list}, GtkSelectionMode @var{mode})
|
|
@end deftypefun
|
|
|
|
@gtkstdmacros{List, LIST}
|
|
|
|
|
|
@page
|
|
@node GtkListItem, GtkMenu, GtkList, Widgets
|
|
@comment node-name, next, previous, up
|
|
@section The list item widget
|
|
|
|
|
|
@subsection Description
|
|
|
|
@subsection Signals
|
|
|
|
@subsection Functions
|
|
|
|
@deftypefun guint gtk_list_item_get_type (void)
|
|
@end deftypefun
|
|
|
|
@deftypefun GtkWidget* gtk_list_item_new (void)
|
|
@end deftypefun
|
|
|
|
@deftypefun GtkWidget* gtk_list_item_new_with_label (gchar *@var{label})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_list_item_select (GtkListItem *@var{list_item})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_list_item_deselect (GtkListItem *@var{list_item})
|
|
@end deftypefun
|
|
|
|
@gtkstdmacros{ListItem, LIST_ITEM}
|
|
|
|
|
|
@page
|
|
@node GtkMenu, GtkMenuBar, GtkListItem, Widgets
|
|
@comment node-name, next, previous, up
|
|
@section The menu widget
|
|
|
|
|
|
@subsection Description
|
|
|
|
@subsection Signals
|
|
|
|
@subsection Functions
|
|
|
|
@deftypefun guint gtk_menu_get_type (void)
|
|
@end deftypefun
|
|
|
|
@deftypefun GtkWidget* gtk_menu_new (void)
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_menu_append (GtkMenu *@var{menu}, GtkWidget *@var{child})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_menu_prepend (GtkMenu *@var{menu}, GtkWidget *@var{child})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_menu_insert (GtkMenu *@var{menu}, GtkWidget *@var{child}, gint @var{position})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_menu_popup (GtkMenu *@var{menu}, GtkWidget *@var{parent_menu_shell}, GtkWidget *@var{parent_menu_item}, GtkMenuPositionFunc @var{func}, gpointer @var{data}, gint @var{button})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_menu_popdown (GtkMenu *@var{menu})
|
|
@end deftypefun
|
|
|
|
@deftypefun GtkWidget* gtk_menu_get_active (GtkMenu *@var{menu})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_menu_set_active (GtkMenu *@var{menu})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_menu_set_accelerator_table (GtkMenu *@var{menu}, GtkAcceleratorTable *@var{table})
|
|
@end deftypefun
|
|
|
|
@gtkstdmacros{Menu, MENU}
|
|
|
|
|
|
@page
|
|
@node GtkMenuBar, GtkMenuItem, GtkMenu, Widgets
|
|
@comment node-name, next, previous, up
|
|
@section The menu bar widget
|
|
|
|
|
|
@subsection Description
|
|
|
|
@subsection Signals
|
|
|
|
@subsection Functions
|
|
|
|
@deftypefun guint gtk_menu_bar_get_type (void)
|
|
@end deftypefun
|
|
|
|
@deftypefun GtkWidget* gtk_menu_bar_new (void)
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_menu_bar_append (GtkMenuBar *@var{menu_bar}, GtkWidget *@var{child})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_menu_bar_prepend (GtkMenuBar *@var{menu_bar}, GtkWidget *@var{child})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_menu_bar_insert (GtkMenuBar *@var{menu_bar}, GtkWidget *@var{child}, gint @var{position})
|
|
@end deftypefun
|
|
|
|
@gtkstdmacros{MenuBar, MENU_BAR}
|
|
|
|
|
|
@page
|
|
@node GtkMenuItem, GtkMenuShell, GtkMenuBar, Widgets
|
|
@comment node-name, next, previous, up
|
|
@section The menu item widget
|
|
|
|
|
|
@subsection Description
|
|
|
|
@subsection Signals
|
|
|
|
@deftypefn Signal void GtkMenuItem::activate (GtkMenuItem *@var{menu_item})
|
|
@end deftypefn
|
|
|
|
@subsection Functions
|
|
|
|
@deftypefun guint gtk_menu_item_get_type (void)
|
|
@end deftypefun
|
|
|
|
@deftypefun GtkWidget* gtk_menu_item_new (void)
|
|
@end deftypefun
|
|
|
|
@deftypefun GtkWidget* gtk_menu_item_new_with_label (gchar *@var{label})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_menu_item_set_submenu (GtkMenuItem *@var{menu_item}, GtkWidget *@var{submenu})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_menu_item_set_placement (GtkMenuItem *@var{menu_item}, GtkSubmenuPlacement @var{placement})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_menu_item_accelerator_size (GtkMenuItem *@var{menu_item})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_menu_item_accelerator_text (GtkMenuItem *@var{menu_item}, gchar *@var{buffer})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_menu_item_configure (GtkMenuItem *@var{menu_item}, gint @var{show_toggle_indicator}, gint @var{show_submenu_indicator})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_menu_item_select (GtkMenuItem *@var{menu_item})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_menu_item_deselect (GtkMenuItem *@var{menu_item})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_menu_item_activate (GtkMenuItem *@var{menu_item})
|
|
@end deftypefun
|
|
|
|
@gtkstdmacros{MenuItem, MENU_ITEM}
|
|
|
|
|
|
@page
|
|
@node GtkMenuShell, GtkMisc, GtkMenuItem, Widgets
|
|
@comment node-name, next, previous, up
|
|
@section The menu shell widget
|
|
|
|
|
|
@subsection Description
|
|
|
|
@subsection Signals
|
|
|
|
@deftypefn Signal void GtkMenuShell::deactivate (GtkMenuShell *@var{menu_shell})
|
|
@end deftypefn
|
|
|
|
@subsection Functions
|
|
|
|
@deftypefun guint gtk_menu_shell_get_type (void)
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_menu_shell_append (GtkMenuShell *@var{menu_shell}, GtkWidget *@var{child})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_menu_shell_prepend (GtkMenuShell *@var{menu_shell}, GtkWidget *@var{child})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_menu_shell_insert (GtkMenuShell *@var{menu_shell}, GtkWidget *@var{child}, gint @var{position})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_menu_shell_deactivate (GtkMenuShell *@var{menu_shell})
|
|
@end deftypefun
|
|
|
|
@gtkstdmacros{MenuShell, MENU_SHELL}
|
|
|
|
|
|
@page
|
|
@node GtkMisc, GtkNotebook, GtkMenuShell, Widgets
|
|
@comment node-name, next, previous, up
|
|
@section The misc widget
|
|
|
|
|
|
@subsection Description
|
|
|
|
@subsection Signals
|
|
|
|
@subsection Functions
|
|
|
|
@deftypefun guint gtk_misc_get_type (void)
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_misc_set_alignment (GtkMisc *@var{misc}, gfloat @var{xalign}, gfloat @var{yalign})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_misc_set_padding (GtkMisc *@var{misc}, gint @var{xpad}, gint @var{ypad})
|
|
@end deftypefun
|
|
|
|
@gtkstdmacros{Misc, MISC}
|
|
|
|
|
|
@page
|
|
@node GtkNotebook, GtkOptionMenu, GtkMisc, Widgets
|
|
@comment node-name, next, previous, up
|
|
@section The notebook widget
|
|
|
|
|
|
@subsection Description
|
|
|
|
@subsection Signals
|
|
|
|
@subsection Functions
|
|
|
|
@deftypefun guint gtk_notebook_get_type (void)
|
|
@end deftypefun
|
|
|
|
@deftypefun GtkWidget* gtk_notebook_new (void)
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_notebook_append_page (GtkNotebook *@var{notebook}, GtkWidget *@var{child}, GtkWidget *@var{tab_label})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_notebook_prepend_page (GtkNotebook *@var{notebook}, GtkWidget *@var{child}, GtkWidget *@var{tab_label})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_notebook_insert_page (GtkNotebook *@var{notebook}, GtkWidget *@var{child}, GtkWidget *@var{tab_label}, gint @var{position})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_notebook_remove_page (GtkNotebook *@var{notebook}, gint @var{page_num})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_notebook_set_page (GtkNotebook *@var{notebook}, gint @var{page_num})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_notebook_next_page (GtkNotebook *@var{notebook})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_notebook_prev_page (GtkNotebook *@var{notebook})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_notebook_set_tab_pos (GtkNotebook *@var{notebook}, GtkPositionType @var{pos})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_notebook_set_show_tabs (GtkNotebook *@var{notebook}, gint @var{show_tabs})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_notebook_set_show_border (GtkNotebook *@var{notebook}, gint @var{show_border})
|
|
@end deftypefun
|
|
|
|
@gtkstdmacros{Notebook, NOTEBOOK}
|
|
|
|
|
|
@page
|
|
@node GtkOptionMenu, GtkPixmap, GtkNotebook, Widgets
|
|
@comment node-name, next, previous, up
|
|
@section The option menu widget
|
|
|
|
|
|
@subsection Description
|
|
|
|
@subsection Signals
|
|
|
|
@subsection Functions
|
|
|
|
@deftypefun guint gtk_option_menu_get_type (void)
|
|
@end deftypefun
|
|
|
|
@deftypefun GtkWidget* gtk_option_menu_new (void)
|
|
@end deftypefun
|
|
|
|
@deftypefun GtkWidget* gtk_option_menu_get_menu (GtkOptionMenu *@var{option_menu})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_option_menu_set_menu (GtkOptionMenu *@var{option_menu}, GtkWidget *@var{menu})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_option_menu_remove_menu (GtkOptionMenu *@var{option_menu})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_option_menu_set_history (GtkOptionMenu *@var{option_menu}, gint @var{index})
|
|
@end deftypefun
|
|
|
|
@gtkstdmacros{OptionMenu, OPTION_MENU}
|
|
|
|
|
|
@page
|
|
@node GtkPixmap, GtkPreview, GtkOptionMenu, Widgets
|
|
@comment node-name, next, previous, up
|
|
@section The pixmap widget
|
|
|
|
|
|
@subsection Description
|
|
|
|
@subsection Signals
|
|
|
|
@subsection Functions
|
|
|
|
@deftypefun guint gtk_pixmap_get_type (void)
|
|
@end deftypefun
|
|
|
|
@deftypefun GtkWidget* gtk_pixmap_new (GdkPixmap *@var{normal}, GdkPixmap *@var{active}, GdkPixmap *@var{prelight}, GdkPixmap *@var{selected}, GdkPixmap *@var{insensitive})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_pixmap_set (GtkPixmap *@var{pixmap}, GdkPixmap *@var{val}, GtkStateType @var{state})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_pixmap_get (GtkPixmap *@var{pixmap}, GdkPixmap **@var{val}, GtkStateType @var{state})
|
|
@end deftypefun
|
|
|
|
@gtkstdmacros{Pixmap, PIXMAP}
|
|
|
|
|
|
@page
|
|
@node GtkPreview, GtkProgressBar, GtkPixmap, Widgets
|
|
@comment node-name, next, previous, up
|
|
@section The preview widget
|
|
|
|
|
|
@subsection Description
|
|
|
|
@subsection Signals
|
|
|
|
@subsection Functions
|
|
|
|
@deftypefun guint gtk_preview_get_type (void)
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_preview_uninit (void)
|
|
@end deftypefun
|
|
|
|
@deftypefun GtkWidget* gtk_preview_new (GtkPreviewType @var{type})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_preview_size (GtkPreview *@var{preview}, gint @var{width}, gint @var{height})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_preview_put (GtkPreview *@var{preview}, GdkWindow *@var{window}, GdkGC *@var{gc}, gint @var{srcx}, gint @var{srcy}, gint @var{destx}, gint @var{desty}, gint @var{width}, gint @var{height})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_preview_put_row (GtkPreview *@var{preview}, guchar *@var{src}, guchar *@var{dest}, gint @var{x}, gint @var{y}, gint @var{w})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_preview_draw_row (GtkPreview *@var{preview}, guchar @var{data}, gint @var{x}, gint @var{y}, gint @var{w})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_preview_set_expand (GtkPreview *@var{preview}, gint @var{expand})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_preview_set_gamma (double @var{gamma})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_preview_set_color_cube (guint @var{nred_shades}, guint @var{ngreen_shades}, guint @var{nblue_shades}, guint @var{ngray_shades})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_preview_set_install_cmap (gint @var{install_cmap})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_preview_set_reserved (gint @var{nreserved})
|
|
@end deftypefun
|
|
|
|
@deftypefun GdkVisual* gtk_preview_get_visual (void)
|
|
@end deftypefun
|
|
|
|
@deftypefun GdkColormap* gtk_preview_get_cmap (void)
|
|
@end deftypefun
|
|
|
|
@deftypefun GtkPreviewInfo* gtk_preview_get_info (void)
|
|
@end deftypefun
|
|
|
|
@gtkstdmacros{Preview, PREVIEW}
|
|
|
|
|
|
@page
|
|
@node GtkProgressBar, GtkRadioButton, GtkPreview, Widgets
|
|
@comment node-name, next, previous, up
|
|
@section The progress bar widget
|
|
|
|
|
|
@subsection Description
|
|
|
|
@subsection Signals
|
|
|
|
@subsection Functions
|
|
|
|
@deftypefun guint gtk_progress_bar_get_type (void)
|
|
@end deftypefun
|
|
|
|
@deftypefun GtkWidget* gtk_progress_bar_new (void)
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_progress_bar_update (GtkProgressBar *@var{pbar}, gfloat @var{percentage})
|
|
@end deftypefun
|
|
|
|
@gtkstdmacros{ProgressBar, PROGRESS_BAR}
|
|
|
|
|
|
@page
|
|
@node GtkRadioButton, GtkRadioMenuItem, GtkProgressBar, Widgets
|
|
@comment node-name, next, previous, up
|
|
@section The radio button widget
|
|
|
|
|
|
@subsection Description
|
|
|
|
@subsection Signals
|
|
|
|
@subsection Functions
|
|
|
|
@deftypefun guint gtk_radio_button_get_type (void)
|
|
@end deftypefun
|
|
|
|
@deftypefun GtkWidget* gtk_radio_button_new (GSList *@var{group})
|
|
@end deftypefun
|
|
|
|
@deftypefun GtkWidget* gtk_radio_button_new_with_label (GSList *@var{group}, gchar *@var{label})
|
|
@end deftypefun
|
|
|
|
@deftypefun GSList* gtk_radio_button_group (GtkRadioButton *@var{radio_button})
|
|
@end deftypefun
|
|
|
|
@gtkstdmacros{RadioButton, RADIO_BUTTON}
|
|
|
|
|
|
@page
|
|
@node GtkRadioMenuItem, GtkRange, GtkRadioButton, Widgets
|
|
@comment node-name, next, previous, up
|
|
@section The radio button widget
|
|
|
|
|
|
@subsection Description
|
|
|
|
@subsection Signals
|
|
|
|
@subsection Functions
|
|
|
|
@deftypefun guint gtk_radio_menu_item_get_type (void)
|
|
@end deftypefun
|
|
|
|
@deftypefun GtkWidget* gtk_radio_menu_item_new (GSList *@var{group})
|
|
@end deftypefun
|
|
|
|
@deftypefun GtkWidget* gtk_radio_menu_item_new_with_label (GSList *@var{group}, gchar *@var{label})
|
|
@end deftypefun
|
|
|
|
@deftypefun GSList* gtk_radio_menu_item_group (GtkRadioMenuItem *@var{radio_menu_item})
|
|
@end deftypefun
|
|
|
|
@gtkstdmacros{RadioMenuItem, RADIO_MENU_ITEM}
|
|
|
|
|
|
@page
|
|
@node GtkRange, GtkRuler, GtkRadioMenuItem, Widgets
|
|
@comment node-name, next, previous, up
|
|
@section The range widget
|
|
|
|
|
|
@subsection Description
|
|
|
|
@subsection Signals
|
|
|
|
@subsection Functions
|
|
|
|
@deftypefun guint gtk_range_get_type (void)
|
|
@end deftypefun
|
|
|
|
@deftypefun GtkAdjustment* gtk_range_get_adjustment (GtkRange *@var{range})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_range_set_update_policy (GtkRange *@var{range}, GtkUpdatePolicy @var{policy})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_range_set_adjustment (GtkRange *@var{range}, GtkAdjustment *@var{adjustment})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_range_draw_background (GtkRange *@var{range})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_range_draw_trough (GtkRange *@var{range})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_range_draw_slider (GtkRange *@var{range})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_range_draw_step_forw (GtkRange *@var{range})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_range_draw_step_back (GtkRange *@var{range})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_range_slider_update (GtkRange *@var{range})
|
|
@end deftypefun
|
|
|
|
@deftypefun gint gtk_range_trough_click (GtkRange *@var{range}, gint @var{x}, gint @var{y})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_range_default_hslider_update (GtkRange *@var{range})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_range_default_vslider_update (GtkRange *@var{range})
|
|
@end deftypefun
|
|
|
|
@deftypefun gint gtk_range_default_htrough_click (GtkRange *@var{range}, gint @var{x}, gint @var{y})
|
|
@end deftypefun
|
|
|
|
@deftypefun gint gtk_range_default_vtrough_click (GtkRange *@var{range}, gint @var{x}, gint @var{y})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_range_default_hmotion (GtkRange *@var{range}, gint @var{xdelta}, gint @var{ydelta})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_range_default_vmotion (GtkRange *@var{range}, gint @var{xdelta}, gint @var{ydelta})
|
|
@end deftypefun
|
|
|
|
@deftypefun gfloat gtk_range_calc_value (GtkRange *@var{ragne}, gint @var{position})
|
|
@end deftypefun
|
|
|
|
@gtkstdmacros{Range, RANGE}
|
|
|
|
|
|
@page
|
|
@node GtkRuler, GtkScale, GtkRange, Widgets
|
|
@comment node-name, next, previous, up
|
|
@section The ruler widget
|
|
|
|
|
|
@subsection Description
|
|
|
|
@subsection Signals
|
|
|
|
@subsection Functions
|
|
|
|
@deftypefun guint gtk_ruler_get_type (void)
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_ruler_set_metric (GtkRuler *@var{ruler}, GtkMetricType @var{metric})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_ruler_set_range (GtkRuler *@var{ruler}, gfloat @var{lower}, gfloat @var{upper}, gfloat @var{position}, gfloat @var{max_size})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_ruler_draw_ticks (GtkRuler *@var{ruler})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_ruler_draw_pos (GtkRuler *@var{ruler})
|
|
@end deftypefun
|
|
|
|
@gtkstdmacros{Ruler, RULER}
|
|
|
|
|
|
@page
|
|
@node GtkScale, GtkScrollbar, GtkRuler, Widgets
|
|
@comment node-name, next, previous, up
|
|
@section The scale widget
|
|
|
|
|
|
@subsection Description
|
|
|
|
@subsection Signals
|
|
|
|
@subsection Functions
|
|
|
|
@deftypefun guint gtk_scale_get_type (void)
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_scale_set_digits (GtkScale *@var{scale}, gint @var{digits})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_scale_set_draw_value (GtkScale *@var{scale}, gint @var{draw_value})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_scale_set_value_pos (GtkScale *@var{scale}, gint @var{pos})
|
|
@end deftypefun
|
|
|
|
@deftypefun gint gtk_scale_value_width (GtkScale *@var{scale})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_scale_draw_value (GtkScale *@var{scale})
|
|
@end deftypefun
|
|
|
|
@gtkstdmacros{Scale, SCALE}
|
|
|
|
|
|
@page
|
|
@node GtkScrollbar, GtkScrolledWindow, GtkScale, Widgets
|
|
@comment node-name, next, previous, up
|
|
@section The scrollbar widget
|
|
|
|
|
|
@subsection Description
|
|
|
|
@subsection Signals
|
|
|
|
@subsection Functions
|
|
|
|
@deftypefun guint gtk_scrollbar_get_type (void)
|
|
@end deftypefun
|
|
|
|
@gtkstdmacros{Scrollbar, SCROLLBAR}
|
|
|
|
|
|
@page
|
|
@node GtkScrolledWindow, GtkSeparator, GtkScrollbar, Widgets
|
|
@comment node-name, next, previous, up
|
|
@section The scrolled window widget
|
|
|
|
|
|
@subsection Description
|
|
|
|
@subsection Signals
|
|
|
|
@subsection Functions
|
|
|
|
@deftypefun guint gtk_scrolled_window_get_type (void)
|
|
@end deftypefun
|
|
|
|
@deftypefun GtkWidget* gtk_scrolled_window_new (GtkAdjustment *@var{hadjustment}, GtkAdjustment *@var{vadjustment})
|
|
@end deftypefun
|
|
|
|
@deftypefun GtkAdjustment* gtk_scrolled_window_get_hadjustment (GtkScrolledWindow *@var{scrolled_window})
|
|
@end deftypefun
|
|
|
|
@deftypefun GtkAdjustment* gtk_scrolled_window_get_vadjustment (GtkScrolledWindow *@var{scrolled_window})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_scrolled_window_set_policy (GtkScrolledWindow *@var{scrolled_window}, GtkPolicyType @var{hscrollbar_policy}, GtkPolicyType @var{vscrollbar_policy})
|
|
@end deftypefun
|
|
|
|
@gtkstdmacros{ScrolledWindow, SCROLLED_WINDOW}
|
|
|
|
|
|
@page
|
|
@node GtkSeparator, GtkTable, GtkScrolledWindow, Widgets
|
|
@comment node-name, next, previous, up
|
|
@section The separator widget
|
|
|
|
|
|
@subsection Description
|
|
|
|
@subsection Signals
|
|
|
|
@subsection Functions
|
|
|
|
@deftypefun guint gtk_separator_get_type (void)
|
|
@end deftypefun
|
|
|
|
@gtkstdmacros{Separator, SEPARATOR}
|
|
|
|
|
|
@page
|
|
@node GtkTable, GtkText, GtkSeparator, Widgets
|
|
@comment node-name, next, previous, up
|
|
@section The table widget
|
|
|
|
|
|
@subsection Description
|
|
|
|
@subsection Signals
|
|
|
|
@subsection Functions
|
|
|
|
@deftypefun guint gtk_table_get_type (void)
|
|
@end deftypefun
|
|
|
|
@deftypefun GtkWidget* gtk_table_new (gint @var{rows}, gint @var{columns}, gint @var{homogeneous})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_table_attach (GtkTable *@var{table}, GtkWidget *@var{child}, gint @var{left_attach}, gint @var{right_attach}, gint @var{top_attach}, gint @var{bottom_attach}, gint @var{xoptions}, gint @var{yoptions}, gint @var{xpadding}, gint @var{ypadding})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_table_attach_defaults (GtkTable *@var{table}, GtkWidget *@var{widget}, gint @var{left_attach}, gint @var{right_attach}, gint @var{top_attach}, gint @var{bottom_attach})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_table_set_row_spacing (GtkTable *@var{table}, gint @var{row}, gint @var{spacing})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_table_set_col_spacing (GtkTable *@var{table}, gint @var{col}, gint @var{spacing})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_table_set_row_spacings (GtkTable *@var{table}, gint @var{spacing})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_table_set_col_spacings (GtkTable *@var{table}, gint @var{spacing})
|
|
@end deftypefun
|
|
|
|
@gtkstdmacros{Table, TABLE}
|
|
|
|
|
|
@page
|
|
@node GtkText, GtkToggleButton, GtkTable, Widgets
|
|
@comment node-name, next, previous, up
|
|
@section The text widget
|
|
|
|
|
|
@subsection Description
|
|
|
|
@subsection Signals
|
|
|
|
@subsection Functions
|
|
|
|
@deftypefun guint gtk_text_get_type (void)
|
|
@end deftypefun
|
|
|
|
@gtkstdmacros{Text, TEXT}
|
|
|
|
|
|
@page
|
|
@node GtkToggleButton, GtkTree, GtkText, Widgets
|
|
@comment node-name, next, previous, up
|
|
@section The toggle button widget
|
|
|
|
|
|
@subsection Description
|
|
|
|
@subsection Signals
|
|
|
|
@deftypefn Signal void GtkToggleButton::toggled (GtkToggleButton *@var{toggle_button})
|
|
@end deftypefn
|
|
|
|
@subsection Functions
|
|
|
|
@deftypefun guint gtk_toggle_button_get_type (void)
|
|
@end deftypefun
|
|
|
|
@deftypefun GtkWidget* gtk_toggle_button_new (void)
|
|
@end deftypefun
|
|
|
|
@deftypefun GtkWidget* gtk_toggle_button_new_with_label (gchar *@var{label})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_toggle_button_set_mode (GtkToggleButton *@var{toggle_button}, gint @var{draw_indicator})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_toggle_button_set_state (GtkToggleButton *@var{toggle_button}, gint @var{state})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_toggle_button_toggled (GtkToggleButotn *@var{toggle_button})
|
|
@end deftypefun
|
|
|
|
@gtkstdmacros{ToggleButton, TOGGLE_BUTTON}
|
|
|
|
|
|
@page
|
|
@node GtkTree, GtkTreeItem, GtkToggleButton, Widgets
|
|
@comment node-name, next, previous, up
|
|
@section The tree widget
|
|
|
|
|
|
@subsection Description
|
|
|
|
@subsection Signals
|
|
|
|
@subsection Functions
|
|
|
|
@deftypefun guint gtk_tree_get_type (void)
|
|
@end deftypefun
|
|
|
|
@gtkstdmacros{Tree, TREE}
|
|
|
|
|
|
@page
|
|
@node GtkTreeItem, GtkVBox, GtkTree, Widgets
|
|
@comment node-name, next, previous, up
|
|
@section The tree item widget
|
|
|
|
|
|
@subsection Description
|
|
|
|
@subsection Signals
|
|
|
|
@subsection Functions
|
|
|
|
@deftypefun guint gtk_tree_item_get_type (void)
|
|
@end deftypefun
|
|
|
|
@gtkstdmacros{TreeItem, TREE_ITEM}
|
|
|
|
|
|
@page
|
|
@node GtkVBox, GtkViewport, GtkTreeItem, Widgets
|
|
@comment node-name, next, previous, up
|
|
@section The vertical box widget
|
|
|
|
|
|
@subsection Description
|
|
|
|
@subsection Signals
|
|
|
|
@subsection Functions
|
|
|
|
@deftypefun guint gtk_vbox_get_type (void)
|
|
@end deftypefun
|
|
|
|
@deftypefun GtkWidget* gtk_vbox_new (gint @var{homogeneous}, gint @var{spacing})
|
|
@end deftypefun
|
|
|
|
@gtkstdmacros{VBox, VBOX}
|
|
|
|
|
|
@page
|
|
@node GtkViewport, GtkVRuler, GtkVBox, Widgets
|
|
@comment node-name, next, previous, up
|
|
@section The viewport widget
|
|
|
|
|
|
@subsection Description
|
|
|
|
@subsection Signals
|
|
|
|
@subsection Functions
|
|
|
|
@deftypefun guint gtk_viewport_get_type (void)
|
|
@end deftypefun
|
|
|
|
@deftypefun GtkWidget* gtk_viewport_new (GtkAdjustment *@var{hadjustment}, GtkAdjustment *@var{vadjustment})
|
|
@end deftypefun
|
|
|
|
@deftypefun GtkAdjustment* gtk_viewport_get_hadjustment (GtkViewport *@var{viewport})
|
|
@end deftypefun
|
|
|
|
@deftypefun GtkAdjustment* gtk_viewport_get_vadjustment (GtkViewport *@var{viewport})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_viewport_set_hadjustment (GtkViewport *@var{viewport}, GtkAdjustment *@var{adjustment})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_viewport_set_vadjustment (GtkViewport *@var{viewport}, GtkAdjustment *@var{adjustment})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_viewport_set_shadow_type (GtkViewport *@var{viewport}, GtkShadowType @var{type})
|
|
@end deftypefun
|
|
|
|
@gtkstdmacros{Viewport, VIEWPORT}
|
|
|
|
|
|
@page
|
|
@node GtkVRuler, GtkVScale, GtkViewport, Widgets
|
|
@comment node-name, next, previous, up
|
|
@section The vertical ruler widget
|
|
|
|
|
|
@subsection Description
|
|
|
|
@subsection Signals
|
|
|
|
@subsection Functions
|
|
|
|
@deftypefun guint gtk_vruler_get_type (void)
|
|
@end deftypefun
|
|
|
|
@deftypefun GtkWidget* gtk_vruler_new (void)
|
|
@end deftypefun
|
|
|
|
@gtkstdmacros{VRuler, VRULER}
|
|
|
|
|
|
@page
|
|
@node GtkVScale, GtkVScrollbar, GtkVRuler, Widgets
|
|
@comment node-name, next, previous, up
|
|
@section The vertical ruler widget
|
|
|
|
|
|
@subsection Description
|
|
|
|
@subsection Signals
|
|
|
|
@subsection Functions
|
|
|
|
@deftypefun guint gtk_vscale_get_type (void)
|
|
@end deftypefun
|
|
|
|
@deftypefun GtkWidget* gtk_vscale_new (GtkAdjustment *@var{adjustment})
|
|
@end deftypefun
|
|
|
|
@gtkstdmacros{VScale, VSCALE}
|
|
|
|
|
|
@page
|
|
@node GtkVScrollbar, GtkVSeparator, GtkVScale, Widgets
|
|
@comment node-name, next, previous, up
|
|
@section The vertical scrollbar widget
|
|
|
|
|
|
@subsection Description
|
|
|
|
@subsection Signals
|
|
|
|
@subsection Functions
|
|
|
|
@deftypefun guint gtk_vscrollbar_get_type (void)
|
|
@end deftypefun
|
|
|
|
@deftypefun GtkWidget* gtk_vscrollbar_new (GtkAdjustment *@var{adjustment})
|
|
@end deftypefun
|
|
|
|
@gtkstdmacros{VScrollbar, VSCROLLBAR}
|
|
|
|
|
|
@page
|
|
@node GtkVSeparator, GtkWidget, GtkVScrollbar, Widgets
|
|
@comment node-name, next, previous, up
|
|
@section The vertical separator widget
|
|
|
|
|
|
@subsection Description
|
|
|
|
@subsection Signals
|
|
|
|
@subsection Functions
|
|
|
|
@deftypefun guint gtk_vseparator_get_type (void)
|
|
@end deftypefun
|
|
|
|
@deftypefun GtkWidget* gtk_vseparator_new (void)
|
|
@end deftypefun
|
|
|
|
@gtkstdmacros{VSeparator, VSEPARATOR}
|
|
|
|
|
|
@page
|
|
@node GtkWidget, GtkWindow, GtkVSeparator, Widgets
|
|
@comment node-name, next, previous, up
|
|
@section The base widget
|
|
|
|
|
|
@subsection Description
|
|
|
|
@subsection Signals
|
|
|
|
@deftypefn Signal void GtkWidget::show (GtkWidget *@var{widget})
|
|
@end deftypefn
|
|
|
|
@deftypefn Signal void GtkWidget::hide (GtkWidget *@var{widget})
|
|
@end deftypefn
|
|
|
|
@deftypefn Signal void GtkWidget::map (GtkWidget *@var{widget})
|
|
@end deftypefn
|
|
|
|
@deftypefn Signal void GtkWidget::unmap (GtkWidget *@var{widget})
|
|
@end deftypefn
|
|
|
|
@deftypefn Signal void GtkWidget::realize (GtkWidget *@var{widget})
|
|
@end deftypefn
|
|
|
|
@deftypefn Signal void GtkWidget::unrealize (GtkWidget *@var{widget})
|
|
@end deftypefn
|
|
|
|
@deftypefn Signal void GtkWidget::draw (GtkWidget *@var{widget}, GdkRectangle *@var{area})
|
|
@end deftypefn
|
|
|
|
@deftypefn Signal void GtkWidget::draw_focus (GtkWidget *@var{widget})
|
|
@end deftypefn
|
|
|
|
@deftypefn Signal void GtkWidget::draw_default (GtkWidget *@var{widget})
|
|
@end deftypefn
|
|
|
|
@deftypefn Signal void GtkWidget::size_request (GtkWidget *@var{widget}, GtkRequisition *@var{requisition})
|
|
@end deftypefn
|
|
|
|
@deftypefn Signal void GtkWidget::size_allocate (GtkWidget *@var{widget}, GtkAllocation *@var{allocation})
|
|
@end deftypefn
|
|
|
|
@deftypefn Signal void GtkWidget::state_changed (GtkWidget *@var{widget})
|
|
@end deftypefn
|
|
|
|
@deftypefn Signal gint GtkWidget::install_accelerator (GtkWidget *@var{widget}, gchar *@var{signal_name}, gchar @var{key}, guint8 @var{modifiers})
|
|
@end deftypefn
|
|
|
|
@deftypefn Signal void GtkWidget::remove_accelerator (GtkWidget *@var{widget}, gchar *@var{signal_name})
|
|
@end deftypefn
|
|
|
|
@deftypefn Signal gint GtkWidget::event (GtkWidget *@var{widget}, GdkEvent *@var{event})
|
|
@end deftypefn
|
|
|
|
@deftypefn Signal gint GtkWidget::button_press_event (GtkWidget *@var{widget}, GdkEventButton *@var{event})
|
|
@end deftypefn
|
|
|
|
@deftypefn Signal gint GtkWidget::button_release_event (GtkWidget *@var{widget}, GdkEventButton *@var{event})
|
|
@end deftypefn
|
|
|
|
@deftypefn Signal gint GtkWidget::motion_notify_event (GtkWidget *@var{widget}, GdkEventMotion *@var{event})
|
|
@end deftypefn
|
|
|
|
@deftypefn Signal gint GtkWidget::delete_event (GtkWidget *@var{widget}, GdkEventAny *@var{event})
|
|
@end deftypefn
|
|
|
|
@deftypefn Signal gint GtkWidget::destroy_event (GtkWidget *@var{widget}, GdkEventAny *@var{event})
|
|
@end deftypefn
|
|
|
|
@deftypefn Signal gint GtkWidget::expose_event (GtkWidget *@var{widget}, GdkEventExpose *@var{event})
|
|
@end deftypefn
|
|
|
|
@deftypefn Signal gint GtkWidget::key_press_event (GtkWidget *@var{widget}, GdkEventKey *@var{event})
|
|
@end deftypefn
|
|
|
|
@deftypefn Signal gint GtkWidget::key_release_event (GtkWidget *@var{widget}, GdkEventKey *@var{event})
|
|
@end deftypefn
|
|
|
|
@deftypefn Signal gint GtkWidget::enter_notify_event (GtkWidget *@var{widget}, GdkEventCrossing *@var{event})
|
|
@end deftypefn
|
|
|
|
@deftypefn Signal gint GtkWidget::leave_notify_event (GtkWidget *@var{widget}, GdkEventCrossing *@var{event})
|
|
@end deftypefn
|
|
|
|
@deftypefn Signal gint GtkWidget::configure_event (GtkWidget *@var{widget}, GdkEventConfigure *@var{event})
|
|
@end deftypefn
|
|
|
|
@deftypefn Signal gint GtkWidget::focus_in_event (GtkWidget *@var{widget}, GdkEventFocus *@var{event})
|
|
@end deftypefn
|
|
|
|
@deftypefn Signal gint GtkWidget::focus_out_event (GtkWidget *@var{widget}, GdkEventFocus *@var{event})
|
|
@end deftypefn
|
|
|
|
@deftypefn Signal gint GtkWidget::map_event (GtkWidget *@var{widget}, GdkEventAny *@var{event})
|
|
@end deftypefn
|
|
|
|
@deftypefn Signal gint GtkWidget::unmap_event (GtkWidget *@var{widget}, GdkEventAny *@var{event})
|
|
@end deftypefn
|
|
|
|
@deftypefn Signal gint GtkWidget::property_notify_event (GtkWidget *@var{widget}, GdkEventProperty *@var{event})
|
|
@end deftypefn
|
|
|
|
@deftypefn Signal gint GtkWidget::selection_clear_event (GtkWidget *@var{widget}, GdkEventSelection *@var{event})
|
|
@end deftypefn
|
|
|
|
@deftypefn Signal gint GtkWidget::selection_request_event (GtkWidget *@var{widget}, GdkEventSelection *@var{event})
|
|
@end deftypefn
|
|
|
|
@deftypefn Signal gint GtkWidget::selection_notify_event (GtkWidget *@var{widget}, GdkEventSelection *@var{event})
|
|
@end deftypefn
|
|
|
|
@deftypefn Signal gint GtkWidget::drop_event (GtkWidget *@var{widget}, GdkEventDrop *@var{event})
|
|
@end deftypefn
|
|
|
|
@deftypefn Signal gint GtkWidget::drag_begin_event (GtkWidget *@var{widget}, GdkEventDragBegin *@var{event})
|
|
@end deftypefn
|
|
|
|
@deftypefn Signal gint GtkWidget::other_event (GtkWidget *@var{widget}, GdkEventOther *@var{event})
|
|
@end deftypefn
|
|
|
|
@subsection Functions
|
|
|
|
@deftypefun guint gtk_widget_get_type (void)
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_widget_class_init (GtkWidgetClass *@var{class})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_widget_init (GtkWidget *@var{widget})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_widget_destroy (GtkWidget *@var{widget})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_widget_show (GtkWidget *@var{widget})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_widget_hide (GtkWidget *@var{widget})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_widget_map (GtkWidget *@var{widget})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_widget_unmap (GtkWidget *@var{widget})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_widget_realize (GtkWidget *@var{widget})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_widget_unrealize (GtkWidget *@var{widget})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_widget_draw (GtkWidget *@var{widget}, GdkRectangle *@var{area})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_widget_draw_focus (GtkWidget *@var{widget})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_widget_draw_children (GtkWidget *@var{widget})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_widget_size_request (GtkWidget *@var{widget}, GtkRequisition *@var{requisition})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_widget_size_allocate (GtkWidget *@var{widget}, GtkAllocation *@var{allocation})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_widget_install_accelerator (GtkWidget *@var{widget}, GtkAcceleratorTable *@var{table}, gchar *@var{signal_name}, gchar @var{key}, guint8 @var{modifiers})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_widget_remove_accelerator (GtkWidget *@var{widget}, GtkAcceleratorTable *@var{table}, gchar *@var{signal_name})
|
|
@end deftypefun
|
|
|
|
@deftypefun gint gtk_widget_event (GtkWidget *@var{widget}, GdkEvent *@var{event})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_widget_reparent (GtkWidget *@var{widget}, GtkWidget *@var{new_parent})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_widget_popup (GtkWidget *@var{widget}, gint @var{x}, gint @var{y})
|
|
@end deftypefun
|
|
|
|
@deftypefun gint gtk_widget_intersect (GtkWidget *@var{widget}, GdkRectangle *@var{area}, GdkRectangle *@var{intersection})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_widget_grab_focus (GtkWidget *@var{widget})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_widget_grab_default (GtkWidget *@var{widget})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_widget_restore_state (GtkWidget *@var{widget})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_widget_set_name (GtkWidget *@var{widget}, gchar *@var{name})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_widget_set_state (GtkWidget *@var{widget}, GtkStateType @var{state})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_widget_set_sensitive (GtkWidget *@var{widget}, gint sensitive)
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_widget_set_parent (GtkWidget *@var{widget}, GtkWidget *@var{parent})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_widget_set_style (GtkWidget *@var{widget}, GtkStyle *@var{style})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_widget_set_uposition (GtkWidget *@var{widget}, gint @var{x}, gint @var{y})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_widget_set_usize (GtkWidget *@var{widget}, gint @var{width}, gint @var{height})
|
|
@end deftypefun
|
|
|
|
@deftypefun GtkWidget* gtk_widget_get_toplevel (GtkWidget *@var{widget})
|
|
@end deftypefun
|
|
|
|
@deftypefun GtkWidget* gtk_widget_get_ancestor (GtkWidget *@var{widget}, gint @var{type})
|
|
@end deftypefun
|
|
|
|
@deftypefun GdkColormap* gtk_widget_get_colormap (GtkWidget *@var{widget})
|
|
@end deftypefun
|
|
|
|
@deftypefun GdkVisual* gtk_widget_get_visual (GtkWidget *@var{visual})
|
|
@end deftypefun
|
|
|
|
@deftypefun GtkStyle* gtk_widget_get_style (GtkWidget *@var{style})
|
|
@end deftypefun
|
|
|
|
@gtkstdmacros{Widget, WIDGET}
|
|
|
|
|
|
@page
|
|
@node GtkWindow, , GtkWidget, Widgets
|
|
@comment node-name, next, previous, up
|
|
@section The window widget
|
|
|
|
|
|
@subsection Description
|
|
|
|
@subsection Signals
|
|
|
|
@deftypefn Signal void GtkWindow::move_resize (GtkWindow *@var{window}, gint *@var{x}, gint *@var{y}, gint @var{width}, gint @var{height})
|
|
@end deftypefn
|
|
|
|
@subsection Functions
|
|
|
|
@deftypefun guint gtk_window_get_type (void)
|
|
@end deftypefun
|
|
|
|
@deftypefun GtkWidget* gtk_window_new (GtkWindowType @var{type})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_window_set_title (GtkWindow *@var{window}, gchar *@var{title})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_window_set_focus (GtkWindow *@var{window}, GtkWidget *@var{focus})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_window_set_default (GtkWindow *@var{window}, GtkWidget *@var{defaultw})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_window_set_policy (GtkWindow *@var{window}, gint @var{allow_shrink}, gint @var{allow_grow}, gint @var{auto_shrink})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_window_add_accelerator_table (GtkWindow *@var{window}, GtkAcceleratorTable *@var{table})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_window_remove_accelerator_table (GtkWindow *@var{window}, GtkAcceleratorTable *@var{table})
|
|
@end deftypefun
|
|
|
|
@deftypefun void gtk_window_position (GtkWindow *@var{window}, GtkWindowPosition @var{position})
|
|
@end deftypefun
|
|
|
|
@gtkstdmacros{Window, WINDOW}
|
|
|
|
|
|
@node Other Objects, Miscellaneous, Widgets, Top
|
|
@comment node-name, next, previous, up
|
|
@chapter Utility objects
|
|
|
|
|
|
@menu
|
|
* GtkAdjustment:: The adjustment object.
|
|
* GtkData:: The data object.
|
|
@end menu
|
|
|
|
|
|
@node GtkAdjustment, GtkData, Other Objects, Other Objects
|
|
@comment node-name, next, previous, up
|
|
@section The adjustment object
|
|
|
|
|
|
@node GtkData, , GtkAdjustment, Other Objects
|
|
@comment node-name, next, previous, up
|
|
@section The data object
|
|
|
|
|
|
@node Miscellaneous, Examples, Other Objects, Top
|
|
@comment node-name, next, previous, up
|
|
@chapter Initialization, exit and other features
|
|
|
|
|
|
@menu
|
|
* Initialization and exit:: Initializing and exiting GTK.
|
|
* Menu Factories:: Simplified menu creation.
|
|
* Tree Factories:: Simplified tree creation.
|
|
* Tool Tips:: Pop up help mechanism.
|
|
* Resource Files:: Resource files.
|
|
* Standard Macros:: Macros defined by all objects.
|
|
@end menu
|
|
|
|
|
|
@node Initialization and exit, Menu Factories, Miscellaneous, Miscellaneous
|
|
@comment node-name, next, previous, up
|
|
@section Initializing and exiting GTK
|
|
|
|
|
|
@node Menu Factories, Tree Factories, Initialization and exit, Miscellaneous
|
|
@comment node-name, next, previous, up
|
|
@section Simplified menu creation
|
|
|
|
|
|
@node Tree Factories, Tool Tips, Menu Factories, Miscellaneous
|
|
@comment node-name, next, previous, up
|
|
@section Simplified tree creation
|
|
|
|
|
|
@node Tool Tips, Resource Files, Tree Factories, Miscellaneous
|
|
@comment node-name, next, previous, up
|
|
@section Pop up help mechanism
|
|
|
|
|
|
@node Resource Files, Standard Macros, Tool Tips, Miscellaneous
|
|
@comment node-name, next, previous, up
|
|
@section Pop up help mechanism
|
|
|
|
|
|
@node Standard Macros, , Resource Files, Miscellaneous
|
|
@comment node-name, next, previous, up
|
|
@section Macros defined by all objects
|
|
|
|
There are three macros that are defined by all object types. The first
|
|
two are used for performing casts and the last is for querying whether
|
|
an object is of a particular type. These macros are both conveniences
|
|
and debugging tools. If the GTK library was compiled with @code{NDEBUG}
|
|
defined as a preprocessor symbol (via the -DNDEBUG to cc), then the
|
|
macros check the object type and emit a warning if the cast is
|
|
invalid. Doing such checking is fairly expensive since the cast macros
|
|
are used everywhere in GTK and would normally be turned off in a public
|
|
release of a product. Note: The functions below are indeed macros, but
|
|
they may be considered functions for most purposes.
|
|
|
|
@deftypefun Gtk<ObjectType>* GTK_<OBJECT_TYPE> (gpointer @var{obj})
|
|
Cast a generic pointer to @code{Gtk<ObjectType>*}. This function is
|
|
provided in order to be able to provide checking during development
|
|
stages of code development since it is possible to examine the actual
|
|
type of object (using @code{gtk_type_is_a}) before performing the cast.
|
|
@end deftypefun
|
|
|
|
@deftypefun Gtk<ObjectType>Class* GTK_<OBJECT_TYPE>_CLASS (gpointer @var{class})
|
|
Cast a generic pointer to @code{Gtk<ObjectType>Class*}. Like
|
|
@code{GTK_<ObjectType>}, this function is, in reality, a macro.
|
|
@end deftypefun
|
|
|
|
@deftypefun gint GTK_IS_<ObjectType> (gpointer @var{obj})
|
|
Determine if a generic pointer refers to a @code{Gtk<ObjectType>}
|
|
object. This function is, in reality, a macro wrapper around the
|
|
@code{gtk_type_is_a} function (@pxref{Objects}).
|
|
@end deftypefun
|
|
|
|
|
|
@node Examples, Object Implementation, Miscellaneous, Top
|
|
@comment node-name, next, previous, up
|
|
@chapter Using GTK
|
|
|
|
|
|
@menu
|
|
* Simple:: The simplest GTK program.
|
|
* Hello World:: Hello world in GTK.
|
|
* Hello World II:: An enhanced hello world.
|
|
* Hello World III:: Making Hello World II robust.
|
|
@end menu
|
|
|
|
|
|
@node Simple, Hello World, Examples, Examples
|
|
@comment node-name, next, previous, up
|
|
@section The simplest GTK program
|
|
|
|
|
|
The 16 line GTK program shown below is just about the simplest possible
|
|
program which uses GTK. (Well, technically, you don't have to create the
|
|
window and it would still be a program which uses GTK). The program,
|
|
when compiled and run, will create a single window 200x200 pixels in
|
|
size. The program does not exit until its is explicitly killed using the
|
|
shell or a window manager function.
|
|
|
|
@example
|
|
#include <gtk/gtk.h>
|
|
|
|
int
|
|
main (int argc, char *argv[])
|
|
@{
|
|
GtkWidget *window;
|
|
|
|
gtk_init (&argc, &argv);
|
|
|
|
window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
|
|
gtk_widget_show (window);
|
|
|
|
gtk_main ();
|
|
|
|
return 0;
|
|
@}
|
|
@end example
|
|
|
|
The first point of interest in this program is the standard
|
|
initialization line.
|
|
|
|
@example
|
|
gtk_init (&argc, &argv);
|
|
@end example
|
|
|
|
Almost every GTK program will contain such a line. GTK will initialize
|
|
itself and GDK and remove any command line arguments it recognizes from
|
|
@var{argc} and @var{argv}.
|
|
|
|
The next two lines of code create and display a window.
|
|
|
|
@example
|
|
window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
|
|
gtk_widget_show (window);
|
|
@end example
|
|
|
|
The @code{GTK_WINDOW_TOPLEVEL} argument specifies that we want the
|
|
window to undergo window manager decoration and placement. One might be
|
|
lead to think that the window, since it has no children, would be 0x0
|
|
pixels in size. But, this is not the case because a window that has no
|
|
children defaults to 200x200 pixels in size. Mainly because 0x0 windows
|
|
are annoying to manipulate or even see in some cases.
|
|
|
|
The last line enters the GTK main processing loop.
|
|
|
|
@example
|
|
gtk_main ();
|
|
@end example
|
|
|
|
Normally, @code{gtk_main} is called once and the program should exit
|
|
when it returns. @xref{Initialization and exit}.
|
|
|
|
|
|
@node Hello World, Hello World II, Simple, Examples
|
|
@comment node-name, next, previous, up
|
|
@section Hello world in GTK
|
|
|
|
|
|
@example
|
|
#include <gtk/gtk.h>
|
|
|
|
int
|
|
main (int argc, char *argv[])
|
|
@{
|
|
GtkWidget *window;
|
|
GtkWidget *label;
|
|
|
|
gtk_init (&argc, &argv);
|
|
|
|
window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
|
|
gtk_container_border_width (GTK_CONTAINER (window), 10);
|
|
|
|
label = gtk_label_new ("Hello World");
|
|
gtk_container_add (GTK_CONTAINER (window), label);
|
|
gtk_widget_show (label);
|
|
|
|
gtk_widget_show (window);
|
|
|
|
gtk_main ();
|
|
|
|
return 0;
|
|
@}
|
|
@end example
|
|
|
|
|
|
@node Hello World II, Hello World III, Hello World, Examples
|
|
@comment node-name, next, previous, up
|
|
@section An enhanced hello world
|
|
|
|
|
|
@example
|
|
#include "gtk.h"
|
|
|
|
void
|
|
hello (void)
|
|
@{
|
|
g_print ("Hello World\n");
|
|
gtk_exit (0);
|
|
@}
|
|
|
|
int
|
|
main (int argc, char *argv[])
|
|
@{
|
|
GtkWidget *window;
|
|
GtkWidget *button;
|
|
|
|
gtk_init (&argc, &argv);
|
|
|
|
window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
|
|
gtk_container_border_width (GTK_CONTAINER (window), 10);
|
|
|
|
button = gtk_button_new_with_label ("Hello World");
|
|
gtk_signal_connect (GTK_OBJECT (button), "clicked",
|
|
GTK_SIGNAL_FUNC (hello), NULL);
|
|
gtk_container_add (GTK_CONTAINER (window), button);
|
|
gtk_widget_show (button);
|
|
|
|
gtk_widget_show (window);
|
|
|
|
gtk_main ();
|
|
|
|
return 0;
|
|
@}
|
|
@end example
|
|
|
|
|
|
@node Hello World III, , Hello World II, Examples
|
|
@comment node-name, next, previous, up
|
|
@section Making Hello World II robust
|
|
|
|
|
|
@example
|
|
#include "gtk.h"
|
|
|
|
void
|
|
hello (void)
|
|
@{
|
|
g_print ("Hello World\n");
|
|
gtk_exit (0);
|
|
@}
|
|
|
|
void
|
|
destroy (void)
|
|
@{
|
|
gtk_exit (0);
|
|
@}
|
|
|
|
int
|
|
main (int argc, char *argv[])
|
|
@{
|
|
GtkWidget *window;
|
|
GtkWidget *button;
|
|
|
|
gtk_init (&argc, &argv);
|
|
|
|
window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
|
|
gtk_signal_connect (GTK_OBJECT (window), "destroy",
|
|
GTK_SIGNAL_FUNC (destroy), NULL);
|
|
gtk_container_border_width (GTK_CONTAINER (window), 10);
|
|
|
|
button = gtk_button_new_with_label ("Hello World");
|
|
gtk_signal_connect (GTK_OBJECT (button), "clicked",
|
|
GTK_SIGNAL_FUNC (hello), NULL);
|
|
gtk_signal_connect_object (GTK_OBJECT (button), "clicked",
|
|
GTK_SIGNAL_FUNC (gtk_widget_destroy),
|
|
GTK_OBJECT (window));
|
|
gtk_container_add (GTK_CONTAINER (window), button);
|
|
gtk_widget_show (button);
|
|
|
|
gtk_widget_show (window);
|
|
|
|
gtk_main ();
|
|
|
|
return 0;
|
|
@}
|
|
@end example
|
|
|
|
|
|
@node Object Implementation, Signal Implementation, Examples, Top
|
|
@comment node-name, next, previous, up
|
|
@chapter Object internals
|
|
@cindex Object Implementaton
|
|
|
|
Objects (or the @code{GtkObject} type) and the class hierarchy in
|
|
general is implemented via a hierarchy of structs and type casting. Be
|
|
aware that when classes are mentioned it is the conceptual idea of
|
|
classes that is being referred to. GTK is written entirely in C which
|
|
provides no direct support for classes.
|
|
|
|
The first part to the class mechanism is the object fields. These are
|
|
fields that will be used on a per object basis. For example, the widget
|
|
type contains a field for the widgets parent. Every derived type needs a
|
|
reference to its parent type. A descendant class of @code{GtkObject}
|
|
would define itself like:
|
|
|
|
@example
|
|
struct Descendant
|
|
@{
|
|
GtkObject object;
|
|
|
|
@dots{}
|
|
@};
|
|
@end example
|
|
|
|
It is important to note that the @code{GtkObject} field needs to appear
|
|
first in the descendant type structure. This allows pointers to objects
|
|
of type @code{Descendant} to be cast to pointers to @code{GtkObjects}'s
|
|
and vice-versa.
|
|
|
|
The second part to the class mechanism is the class fields. These fields
|
|
are defined on a per class basis. In the case of widgets, the class
|
|
fields are all the ``virtual'' functions for widgets. The
|
|
@code{GtkObject} class defines the @code{destroy} virtual function and
|
|
the necessary fields for the signal mechanism as well as a field for
|
|
determining the runtime type of an object. A virtual function is
|
|
semantically the same as it is in C++. That is, the actual function that
|
|
is called is determined based on the type of the object. Or, more
|
|
specifically, the actual function call depends on the class structure
|
|
that is pointed to by the @code{klass} field of the @code{GtkObject}
|
|
structure.
|
|
|
|
To see how the class fields work it is necessary to see the object
|
|
fields for a @code{GtkObject}. The @code{GtkObject} type is defined as
|
|
follows:
|
|
|
|
@example
|
|
typedef struct _GtkObject GtkObject;
|
|
|
|
struct _GtkObject
|
|
@{
|
|
guint32 flags;
|
|
GtkObjectClass *klass;
|
|
gpointer object_data;
|
|
@};
|
|
@end example
|
|
|
|
The @code{class} field actually points to a class structure derived from
|
|
@code{GtkObjectClass}. By convention, each new type defines its own
|
|
class structure even if it is unnecessary. As an example, the
|
|
hypothetical @code{Descendant} class would define its class structure
|
|
as:
|
|
|
|
@example
|
|
struct DescendantClass
|
|
@{
|
|
GtkObjectClass parent_class;
|
|
|
|
@dots{}
|
|
@};
|
|
@end example
|
|
|
|
It is convention to name the parent class field (@code{GtkObjectClass}
|
|
in this case), @code{parent_class}. For the same reason as stated above
|
|
for the object structure, the parent class field must be the first field
|
|
in the class structure.
|
|
|
|
@strong{Note:} GTK assumes that the first field in a structure will be
|
|
placed by the compiler at the start of the structure. This is certainly
|
|
true for gcc, however, from my precursory reading of the C standard I
|
|
was unable to come to a definite conclusion as to whether this was
|
|
required or simply done for simplicity. I'm not too worried about this
|
|
assumption, though, as every C compiler I've ever encountered would work
|
|
with GTK.
|
|
|
|
The @code{flags} field of the @code{GtkObject} structure is used to keep
|
|
track of a relatively few object flags and is also used by the
|
|
@code{GtkWidget} type to store additional flags. At this time, the upper
|
|
16 bits of the flags field are reserved but unused.
|
|
|
|
The @code{object_data} field of the @code{GtkObject} structure is an
|
|
opaque pointer used by the object data mechanism. In truth, it is a
|
|
pointer to the beginning of the data list which is composed of the
|
|
following structures.
|
|
|
|
@example
|
|
typedef struct _GtkObjectData GtkObjectData;
|
|
|
|
struct _GtkObjectData
|
|
@{
|
|
guint id;
|
|
gpointer data;
|
|
GtkObjectData *next;
|
|
@};
|
|
@end example
|
|
|
|
The data mechanism allows arbitrary data to be associated with a
|
|
character string key in any object. A hash table is used to transform
|
|
the character string key into the data id and then a search through the
|
|
list is made to see if the data exists. The assumption being that the
|
|
data list will usually be short and therefore a linear search is
|
|
ok. Future work on the data mechanism might make use of a resizable
|
|
array instead of a linked list. This would shrink the overhead of the
|
|
@code{GtkObjectData} structure by 4 bytes on 32 bit architectures.
|
|
|
|
|
|
@node Signal Implementation, Widget Implementation, Object Implementation, Top
|
|
@comment node-name, next, previous, up
|
|
@chapter Signal internals
|
|
@cindex Signal Implementation
|
|
|
|
|
|
@node Widget Implementation, Function Index, Signal Implementation, Top
|
|
@comment node-name, next, previous, up
|
|
@chapter Widget internals
|
|
@cindex Widget Implementation
|
|
|
|
|
|
@node Function Index, Concept Index, Widget Implementation, Top
|
|
@comment node-name, next, previous, up
|
|
@unnumbered Function Index
|
|
|
|
@printindex fn
|
|
|
|
|
|
@node Concept Index, , Function Index, Top
|
|
@comment node-name, next, previous, up
|
|
@unnumbered Concept Index
|
|
|
|
@printindex cp
|
|
|
|
|
|
@summarycontents
|
|
@contents
|
|
@bye
|