forked from AuroraMiddleware/gtk
234 lines
7.6 KiB
C
234 lines
7.6 KiB
C
/* gtktexttag.c - text tag object
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*
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* Copyright (c) 1992-1994 The Regents of the University of California.
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* Copyright (c) 1994-1997 Sun Microsystems, Inc.
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* Copyright (c) 2000 Red Hat, Inc.
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* Tk -> Gtk port by Havoc Pennington <hp@redhat.com>
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*
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* This software is copyrighted by the Regents of the University of
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* California, Sun Microsystems, Inc., and other parties. The
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* following terms apply to all files associated with the software
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* unless explicitly disclaimed in individual files.
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*
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* The authors hereby grant permission to use, copy, modify,
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* distribute, and license this software and its documentation for any
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* purpose, provided that existing copyright notices are retained in
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* all copies and that this notice is included verbatim in any
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* distributions. No written agreement, license, or royalty fee is
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* required for any of the authorized uses. Modifications to this
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* software may be copyrighted by their authors and need not follow
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* the licensing terms described here, provided that the new terms are
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* clearly indicated on the first page of each file where they apply.
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*
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* IN NO EVENT SHALL THE AUTHORS OR DISTRIBUTORS BE LIABLE TO ANY
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* PARTY FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL
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* DAMAGES ARISING OUT OF THE USE OF THIS SOFTWARE, ITS DOCUMENTATION,
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* OR ANY DERIVATIVES THEREOF, EVEN IF THE AUTHORS HAVE BEEN ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* THE AUTHORS AND DISTRIBUTORS SPECIFICALLY DISCLAIM ANY WARRANTIES,
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, AND
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* NON-INFRINGEMENT. THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS,
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* AND THE AUTHORS AND DISTRIBUTORS HAVE NO OBLIGATION TO PROVIDE
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* MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
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*
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* GOVERNMENT USE: If you are acquiring this software on behalf of the
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* U.S. government, the Government shall have only "Restricted Rights"
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* in the software and related documentation as defined in the Federal
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* Acquisition Regulations (FARs) in Clause 52.227.19 (c) (2). If you
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* are acquiring the software on behalf of the Department of Defense,
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* the software shall be classified as "Commercial Computer Software"
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* and the Government shall have only "Restricted Rights" as defined
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* in Clause 252.227-7013 (c) (1) of DFARs. Notwithstanding the
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* foregoing, the authors grant the U.S. Government and others acting
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* in its behalf permission to use and distribute the software in
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* accordance with the terms specified in this license.
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*
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*/
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#if !defined (__GTK_H_INSIDE__) && !defined (GTK_COMPILATION)
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#error "Only <gtk/gtk.h> can be included directly."
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#endif
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#ifndef __GTK_TEXT_TAG_H__
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#define __GTK_TEXT_TAG_H__
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#include <gdk/gdk.h>
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#include <gtk/gtkenums.h>
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G_BEGIN_DECLS
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typedef struct _GtkTextIter GtkTextIter;
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typedef struct _GtkTextTagTable GtkTextTagTable;
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typedef struct _GtkTextAttributes GtkTextAttributes;
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#define GTK_TYPE_TEXT_TAG (gtk_text_tag_get_type ())
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#define GTK_TEXT_TAG(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_TEXT_TAG, GtkTextTag))
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#define GTK_TEXT_TAG_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_TEXT_TAG, GtkTextTagClass))
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#define GTK_IS_TEXT_TAG(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_TEXT_TAG))
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#define GTK_IS_TEXT_TAG_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_TEXT_TAG))
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#define GTK_TEXT_TAG_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_TEXT_TAG, GtkTextTagClass))
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#define GTK_TYPE_TEXT_ATTRIBUTES (gtk_text_attributes_get_type ())
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typedef struct _GtkTextTag GtkTextTag;
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typedef struct _GtkTextTagPrivate GtkTextTagPrivate;
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typedef struct _GtkTextTagClass GtkTextTagClass;
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struct _GtkTextTag
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{
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GObject parent_instance;
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GtkTextTagPrivate *priv;
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};
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struct _GtkTextTagClass
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{
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GObjectClass parent_class;
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gboolean (* event) (GtkTextTag *tag,
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GObject *event_object, /* widget, canvas item, whatever */
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GdkEvent *event, /* the event itself */
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const GtkTextIter *iter); /* location of event in buffer */
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/* Padding for future expansion */
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void (*_gtk_reserved1) (void);
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void (*_gtk_reserved2) (void);
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void (*_gtk_reserved3) (void);
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void (*_gtk_reserved4) (void);
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};
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GType gtk_text_tag_get_type (void) G_GNUC_CONST;
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GtkTextTag *gtk_text_tag_new (const gchar *name);
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gint gtk_text_tag_get_priority (GtkTextTag *tag);
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void gtk_text_tag_set_priority (GtkTextTag *tag,
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gint priority);
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gboolean gtk_text_tag_event (GtkTextTag *tag,
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GObject *event_object,
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GdkEvent *event,
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const GtkTextIter *iter);
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/*
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* Style object created by folding a set of tags together
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*/
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typedef struct _GtkTextAppearance GtkTextAppearance;
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struct _GtkTextAppearance
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{
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/*< public >*/
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GdkColor bg_color;
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GdkColor fg_color;
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/* super/subscript rise, can be negative */
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gint rise;
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/*< private >*/
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/* I'm not sure this can really be used without breaking some things
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* an app might do :-/
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*/
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gpointer padding1;
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/*< public >*/
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guint underline : 4; /* PangoUnderline */
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guint strikethrough : 1;
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/* Whether to use background-related values; this is irrelevant for
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* the values struct when in a tag, but is used for the composite
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* values struct; it's true if any of the tags being composited
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* had background stuff set.
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*/
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guint draw_bg : 1;
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/* These are only used when we are actually laying out and rendering
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* a paragraph; not when a GtkTextAppearance is part of a
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* GtkTextAttributes.
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*/
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guint inside_selection : 1;
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guint is_text : 1;
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/*< private >*/
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guint pad1 : 1;
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guint pad2 : 1;
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guint pad3 : 1;
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guint pad4 : 1;
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};
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struct _GtkTextAttributes
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{
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/*< private >*/
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guint refcount;
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/*< public >*/
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GtkTextAppearance appearance;
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GtkJustification justification;
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GtkTextDirection direction;
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/* Individual chunks of this can be set/unset as a group */
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PangoFontDescription *font;
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gdouble font_scale;
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gint left_margin;
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gint indent;
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gint right_margin;
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gint pixels_above_lines;
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gint pixels_below_lines;
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gint pixels_inside_wrap;
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PangoTabArray *tabs;
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GtkWrapMode wrap_mode; /* How to handle wrap-around for this tag.
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* Must be GTK_WRAPMODE_CHAR,
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* GTK_WRAPMODE_NONE, GTK_WRAPMODE_WORD
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*/
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PangoLanguage *language;
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/*< private >*/
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GdkColor *pg_bg_color;
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/*< public >*/
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/* hide the text */
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guint invisible : 1;
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/* Background is fit to full line height rather than
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* baseline +/- ascent/descent (font height)
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*/
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guint bg_full_height : 1;
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/* can edit this text */
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guint editable : 1;
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/*< private >*/
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guint pad1 : 1;
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guint pad2 : 1;
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guint pad3 : 1;
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guint pad4 : 1;
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};
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GtkTextAttributes* gtk_text_attributes_new (void);
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GtkTextAttributes* gtk_text_attributes_copy (GtkTextAttributes *src);
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void gtk_text_attributes_copy_values (GtkTextAttributes *src,
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GtkTextAttributes *dest);
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void gtk_text_attributes_unref (GtkTextAttributes *values);
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GtkTextAttributes *gtk_text_attributes_ref (GtkTextAttributes *values);
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GType gtk_text_attributes_get_type (void) G_GNUC_CONST;
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G_END_DECLS
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#endif
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