175 lines
6.0 KiB
C
175 lines
6.0 KiB
C
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/* gtktextattributes.h - text attributes
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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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#pragma once
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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 _GtkTextAttributes GtkTextAttributes;
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typedef struct _GtkTextAppearance GtkTextAppearance;
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struct _GtkTextAppearance
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{
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GdkRGBA *bg_rgba;
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GdkRGBA *fg_rgba;
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GdkRGBA *underline_rgba;
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GdkRGBA *overline_rgba;
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GdkRGBA *strikethrough_rgba;
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/* super/subscript rise, can be negative */
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int rise;
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guint underline : 4; /* PangoUnderline */
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guint overline : 2; /* PangoOverline */
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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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};
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/**
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* GtkTextAttributes:
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* @appearance: GtkTextAppearance for text.
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* @justification: GtkJustification for text.
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* @direction: GtkTextDirection for text.
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* @font: `PangoFontDescription` for text.
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* @font_scale: Font scale factor.
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* @left_margin: Width of the left margin in pixels.
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* @right_margin: Width of the right margin in pixels.
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* @indent: Amount to indent the paragraph, in pixels.
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* @pixels_above_lines: Pixels of blank space above paragraphs.
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* @pixels_below_lines: Pixels of blank space below paragraphs.
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* @pixels_inside_wrap: Pixels of blank space between wrapped lines in
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* a paragraph.
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* @tabs: Custom `PangoTabArray` for this text.
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* @wrap_mode: `GtkWrapMode` for text.
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* @language: `PangoLanguage` for text.
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* @invisible: Hide the text.
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* @bg_full_height: Background is fit to full line height rather than
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* baseline +/- ascent/descent (font height).
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* @editable: Can edit this text.
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* @no_fallback: Whether to disable font fallback.
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* @letter_spacing: Extra space to insert between graphemes, in Pango units
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*
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* Using GtkTextAttributes directly should rarely be necessary.
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* It’s primarily useful with gtk_text_iter_get_attributes().
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* As with most GTK structs, the fields in this struct should only
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* be read, never modified directly.
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*/
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struct _GtkTextAttributes
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{
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guint refcount;
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GtkJustification justification;
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GtkTextDirection direction;
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GtkWrapMode wrap_mode;
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GtkTextAppearance appearance;
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PangoFontDescription *font;
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char *font_features;
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GdkRGBA *pg_bg_rgba;
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PangoTabArray *tabs;
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PangoLanguage *language;
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double font_scale;
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int left_margin;
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int right_margin;
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int indent;
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int pixels_above_lines;
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int pixels_below_lines;
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int pixels_inside_wrap;
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float line_height;
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int letter_spacing;
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guint invisible : 1;
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guint bg_full_height : 1;
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guint editable : 1;
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guint no_fallback: 1;
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guint no_breaks : 1;
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guint show_spaces : 3; /* PangoShowFlags */
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guint no_hyphens : 1;
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guint line_height_is_absolute : 1;
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guint text_transform : 3; /* PangoTextTransform */
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guint word : 1;
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guint sentence : 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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G_END_DECLS
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