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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.
*
*/
#ifndef __GTK_TEXT_ATTRIBUTES_H__
#define __GTK_TEXT_ATTRIBUTES_H__
#if !defined (__GTK_H_INSIDE__) && !defined (GTK_COMPILATION)
#error "Only <gtk/gtk.h> can be included directly."
#endif
#include <gdk/gdk.h>
#include <gtk/gtkenums.h>
G_BEGIN_DECLS
typedef struct _GtkTextAttributes GtkTextAttributes;
#define GTK_TYPE_TEXT_ATTRIBUTES (gtk_text_attributes_get_type ())
typedef struct _GtkTextAppearance GtkTextAppearance;
/**
* GtkTextAppearance:
* @bg_color: Background #GdkColor.
* @fg_color: Foreground #GdkColor.
* @rise: Super/subscript rise, can be negative.
* @underline: #PangoUnderline
* @strikethrough: Strikethrough style
* @draw_bg: 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.
* @inside_selection: This are only used when we are actually laying
* out and rendering a paragraph; not when a #GtkTextAppearance is
* part of a #GtkTextAttributes.
* @is_text: This are only used when we are actually laying
* out and rendering a paragraph; not when a #GtkTextAppearance is
* part of a #GtkTextAttributes.
* @rgba: #GdkRGBA
*/
struct _GtkTextAppearance
{
/*< public >*/
GdkColor bg_color; /* pixel is taken for underline color */
GdkColor fg_color; /* pixel is taken for strikethrough color */
/* super/subscript rise, can be negative */
gint rise;
guint underline : 4; /* PangoUnderline */
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;
/* For the sad story of this bit of code, see
* https://bugzilla.gnome.org/show_bug.cgi?id=711158
*/
#ifdef __GI_SCANNER__
/* The scanner should only see the transparent union, so that its
* content does not vary across architectures.
*/
union {
GdkRGBA *rgba[2];
/*< private >*/
guint padding[4];
};
#else
GdkRGBA *rgba[2];
#if (defined(__SIZEOF_INT__) && defined(__SIZEOF_POINTER__)) && (__SIZEOF_INT__ == __SIZEOF_POINTER__)
/* unusable, just for ABI compat */
/*< private >*/
guint padding[2];
#endif
#endif
};
/**
* 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
{
/*< private >*/
guint refcount;
/*< public >*/
GtkTextAppearance appearance;
GtkJustification justification;
GtkTextDirection direction;
PangoFontDescription *font;
gdouble font_scale;
gint left_margin;
gint right_margin;
gint indent;
gint pixels_above_lines;
gint pixels_below_lines;
gint pixels_inside_wrap;
PangoTabArray *tabs;
GtkWrapMode wrap_mode;
PangoLanguage *language;
/*< private >*/
GdkColor *pg_bg_color;
/*< public >*/
guint invisible : 1;
guint bg_full_height : 1;
guint editable : 1;
guint no_fallback: 1;
/*< private >*/
GdkRGBA *pg_bg_rgba;
/*< public >*/
gint letter_spacing;
#ifdef __GI_SCANNER__
/* The scanner should only see the transparent union, so that its
* content does not vary across architectures.
*/
union {
gchar *font_features;
/*< private >*/
guint padding[2];
};
#else
gchar *font_features;
#if (defined(__SIZEOF_INT__) && defined(__SIZEOF_POINTER__)) && (__SIZEOF_INT__ == __SIZEOF_POINTER__)
/* unusable, just for ABI compat */
/*< private >*/
guint padding[1];
#endif
#endif
};
GDK_AVAILABLE_IN_ALL
GtkTextAttributes* gtk_text_attributes_new (void);
GDK_AVAILABLE_IN_ALL
GtkTextAttributes* gtk_text_attributes_copy (GtkTextAttributes *src);
GDK_AVAILABLE_IN_ALL
void gtk_text_attributes_copy_values (GtkTextAttributes *src,
GtkTextAttributes *dest);
GDK_AVAILABLE_IN_ALL
void gtk_text_attributes_unref (GtkTextAttributes *values);
GDK_AVAILABLE_IN_ALL
GtkTextAttributes *gtk_text_attributes_ref (GtkTextAttributes *values);
GDK_AVAILABLE_IN_ALL
GType gtk_text_attributes_get_type (void) G_GNUC_CONST;
G_END_DECLS
#endif
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