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/* gtktextattributes.h - text attributes
*
* Copyright (c) 1992-1994 The Regents of the University of California.
* Copyright (c) 1994-1997 Sun Microsystems, Inc.
* Copyright (c) 2000 Red Hat, Inc.
* Tk -> Gtk port by Havoc Pennington <hp@redhat.com>
*
* This software is copyrighted by the Regents of the University of
* California, Sun Microsystems, Inc., and other parties. The
* following terms apply to all files associated with the software
* unless explicitly disclaimed in individual files.
*
* The authors hereby grant permission to use, copy, modify,
* distribute, and license this software and its documentation for any
* purpose, provided that existing copyright notices are retained in
* all copies and that this notice is included verbatim in any
* distributions. No written agreement, license, or royalty fee is
* required for any of the authorized uses. Modifications to this
* software may be copyrighted by their authors and need not follow
* the licensing terms described here, provided that the new terms are
* clearly indicated on the first page of each file where they apply.
*
* IN NO EVENT SHALL THE AUTHORS OR DISTRIBUTORS BE LIABLE TO ANY
* PARTY FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL
* DAMAGES ARISING OUT OF THE USE OF THIS SOFTWARE, ITS DOCUMENTATION,
* OR ANY DERIVATIVES THEREOF, EVEN IF THE AUTHORS HAVE BEEN ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
*
* THE AUTHORS AND DISTRIBUTORS SPECIFICALLY DISCLAIM ANY WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, AND
* NON-INFRINGEMENT. THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS,
* AND THE AUTHORS AND DISTRIBUTORS HAVE NO OBLIGATION TO PROVIDE
* MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
*
* GOVERNMENT USE: If you are acquiring this software on behalf of the
* U.S. government, the Government shall have only "Restricted Rights"
* in the software and related documentation as defined in the Federal
* Acquisition Regulations (FARs) in Clause 52.227.19 (c) (2). If you
* are acquiring the software on behalf of the Department of Defense,
* the software shall be classified as "Commercial Computer Software"
* and the Government shall have only "Restricted Rights" as defined
* in Clause 252.227-7013 (c) (1) of DFARs. Notwithstanding the
* foregoing, the authors grant the U.S. Government and others acting
* in its behalf permission to use and distribute the software in
* accordance with the terms specified in this license.
*
*/
#pragma once
#include <gdk/gdk.h>
#include <gtk/gtkenums.h>
G_BEGIN_DECLS
typedef struct _GtkTextAttributes GtkTextAttributes;
typedef struct _GtkTextAppearance GtkTextAppearance;
struct _GtkTextAppearance
{
GdkRGBA *bg_rgba;
GdkRGBA *fg_rgba;
GdkRGBA *underline_rgba;
GdkRGBA *overline_rgba;
GdkRGBA *strikethrough_rgba;
/* super/subscript rise, can be negative */
int rise;
guint underline : 4; /* PangoUnderline */
guint overline : 2; /* PangoOverline */
guint strikethrough : 1;
/* Whether to use background-related values; this is irrelevant for
* the values struct when in a tag, but is used for the composite
* values struct; it's true if any of the tags being composited
* had background stuff set.
*/
guint draw_bg : 1;
/* These are only used when we are actually laying out and rendering
* a paragraph; not when a GtkTextAppearance is part of a
* GtkTextAttributes.
*/
guint inside_selection : 1;
guint is_text : 1;
};
/**
* GtkTextAttributes:
* @appearance: GtkTextAppearance for text.
* @justification: GtkJustification for text.
* @direction: GtkTextDirection for text.
* @font: `PangoFontDescription` for text.
* @font_scale: Font scale factor.
* @left_margin: Width of the left margin in pixels.
* @right_margin: Width of the right margin in pixels.
* @indent: Amount to indent the paragraph, in pixels.
* @pixels_above_lines: Pixels of blank space above paragraphs.
* @pixels_below_lines: Pixels of blank space below paragraphs.
* @pixels_inside_wrap: Pixels of blank space between wrapped lines in
* a paragraph.
* @tabs: Custom `PangoTabArray` for this text.
* @wrap_mode: `GtkWrapMode` for text.
* @language: `PangoLanguage` for text.
* @invisible: Hide the text.
* @bg_full_height: Background is fit to full line height rather than
* baseline +/- ascent/descent (font height).
* @editable: Can edit this text.
* @no_fallback: Whether to disable font fallback.
* @letter_spacing: Extra space to insert between graphemes, in Pango units
*
* Using GtkTextAttributes directly should rarely be necessary.
* It’s primarily useful with gtk_text_iter_get_attributes().
* As with most GTK structs, the fields in this struct should only
* be read, never modified directly.
*/
struct _GtkTextAttributes
{
guint refcount;
GtkJustification justification;
GtkTextDirection direction;
GtkWrapMode wrap_mode;
GtkTextAppearance appearance;
PangoFontDescription *font;
char *font_features;
GdkRGBA *pg_bg_rgba;
PangoTabArray *tabs;
PangoLanguage *language;
double font_scale;
int left_margin;
int right_margin;
int indent;
int pixels_above_lines;
int pixels_below_lines;
int pixels_inside_wrap;
float line_height;
int letter_spacing;
guint invisible : 1;
guint bg_full_height : 1;
guint editable : 1;
guint no_fallback: 1;
guint no_breaks : 1;
guint show_spaces : 3; /* PangoShowFlags */
guint no_hyphens : 1;
guint line_height_is_absolute : 1;
guint text_transform : 3; /* PangoTextTransform */
guint word : 1;
guint sentence : 1;
};
GtkTextAttributes* gtk_text_attributes_new (void);
GtkTextAttributes* gtk_text_attributes_copy (GtkTextAttributes *src);
void gtk_text_attributes_copy_values (GtkTextAttributes *src,
GtkTextAttributes *dest);
void gtk_text_attributes_unref (GtkTextAttributes *values);
GtkTextAttributes *gtk_text_attributes_ref (GtkTextAttributes *values);
G_END_DECLS
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