1 /* ATK - The Accessibility Toolkit for GTK+
2 * Copyright 2001 Sun Microsystems Inc.
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Library General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Library General Public License for more details.
14 * You should have received a copy of the GNU Library General Public
15 * License along with this library; if not, write to the
16 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17 * Boston, MA 02111-1307, USA.
20 #if defined(ATK_DISABLE_SINGLE_INCLUDES) && !defined (__ATK_H_INSIDE__) && !defined (ATK_COMPILATION)
21 #error "Only <atk/atk.h> can be included directly."
24 #ifndef __ATK_TEXT_H__
25 #define __ATK_TEXT_H__
27 #include <glib-object.h>
28 #include <atk/atkobject.h>
29 #include <atk/atkutil.h>
35 *@ATK_TEXT_ATTR_INVALID: Invalid attribute
36 *@ATK_TEXT_ATTR_LEFT_MARGIN: The pixel width of the left margin
37 *@ATK_TEXT_ATTR_RIGHT_MARGIN: The pixel width of the right margin
38 *@ATK_TEXT_ATTR_INDENT: The number of pixels that the text is indented
39 *@ATK_TEXT_ATTR_INVISIBLE: Either "true" or "false" indicating whether text is visible or not
40 *@ATK_TEXT_ATTR_EDITABLE: Either "true" or "false" indicating whether text is editable or not
41 *@ATK_TEXT_ATTR_PIXELS_ABOVE_LINES: Pixels of blank space to leave above each newline-terminated line.
42 *@ATK_TEXT_ATTR_PIXELS_BELOW_LINES: Pixels of blank space to leave below each newline-terminated line.
43 *@ATK_TEXT_ATTR_PIXELS_INSIDE_WRAP: Pixels of blank space to leave between wrapped lines inside the same newline-terminated line (paragraph).
44 *@ATK_TEXT_ATTR_BG_FULL_HEIGHT: "true" or "false" whether to make the background color for each character the height of the highest font used on the current line, or the height of the font used for the current character.
45 *@ATK_TEXT_ATTR_RISE: Number of pixels that the characters are risen above the baseline
46 *@ATK_TEXT_ATTR_UNDERLINE: "none", "single", "double", "low", or "error"
47 *@ATK_TEXT_ATTR_STRIKETHROUGH: "true" or "false" whether the text is strikethrough
48 *@ATK_TEXT_ATTR_SIZE: The size of the characters.
49 *@ATK_TEXT_ATTR_SCALE: The scale of the characters. The value is a string representation of a double
50 *@ATK_TEXT_ATTR_WEIGHT: The weight of the characters.
51 *@ATK_TEXT_ATTR_LANGUAGE: The language used
52 *@ATK_TEXT_ATTR_FAMILY_NAME: The font family name
53 *@ATK_TEXT_ATTR_BG_COLOR: The background color. The value is an RGB value of the format "%u,%u,%u"
54 *@ATK_TEXT_ATTR_FG_COLOR:The foreground color. The value is an RGB value of the format "%u,%u,%u"
55 *@ATK_TEXT_ATTR_BG_STIPPLE: "true" if a #GdkBitmap is set for stippling the background color.
56 *@ATK_TEXT_ATTR_FG_STIPPLE: "true" if a #GdkBitmap is set for stippling the foreground color.
57 *@ATK_TEXT_ATTR_WRAP_MODE: The wrap mode of the text, if any. Values are "none", "char", "word", or "word_char".
58 *@ATK_TEXT_ATTR_DIRECTION: The direction of the text, if set. Values are "none", "ltr" or "rtl"
59 *@ATK_TEXT_ATTR_JUSTIFICATION: The justification of the text, if set. Values are "left", "right", "center" or "fill"
60 *@ATK_TEXT_ATTR_STRETCH: The stretch of the text, if set. Values are "ultra_condensed", "extra_condensed", "condensed", "semi_condensed", "normal", "semi_expanded", "expanded", "extra_expanded" or "ultra_expanded"
61 *@ATK_TEXT_ATTR_VARIANT: The capitalization variant of the text, if set. Values are "normal" or "small_caps"
62 *@ATK_TEXT_ATTR_STYLE: The slant style of the text, if set. Values are "normal", "oblique" or "italic"
63 *@ATK_TEXT_ATTR_LAST_DEFINED: not a valid text attribute, used for finding end of enumeration
65 * Describes the text attributes supported
69 ATK_TEXT_ATTR_INVALID = 0,
70 ATK_TEXT_ATTR_LEFT_MARGIN,
71 ATK_TEXT_ATTR_RIGHT_MARGIN,
73 ATK_TEXT_ATTR_INVISIBLE,
74 ATK_TEXT_ATTR_EDITABLE,
75 ATK_TEXT_ATTR_PIXELS_ABOVE_LINES,
76 ATK_TEXT_ATTR_PIXELS_BELOW_LINES,
77 ATK_TEXT_ATTR_PIXELS_INSIDE_WRAP,
78 ATK_TEXT_ATTR_BG_FULL_HEIGHT,
80 ATK_TEXT_ATTR_UNDERLINE,
81 ATK_TEXT_ATTR_STRIKETHROUGH,
85 ATK_TEXT_ATTR_LANGUAGE,
86 ATK_TEXT_ATTR_FAMILY_NAME,
87 ATK_TEXT_ATTR_BG_COLOR,
88 ATK_TEXT_ATTR_FG_COLOR,
89 ATK_TEXT_ATTR_BG_STIPPLE,
90 ATK_TEXT_ATTR_FG_STIPPLE,
91 ATK_TEXT_ATTR_WRAP_MODE,
92 ATK_TEXT_ATTR_DIRECTION,
93 ATK_TEXT_ATTR_JUSTIFICATION,
94 ATK_TEXT_ATTR_STRETCH,
95 ATK_TEXT_ATTR_VARIANT,
97 ATK_TEXT_ATTR_LAST_DEFINED
100 AtkTextAttribute atk_text_attribute_register (const gchar *name);
103 #define ATK_TYPE_TEXT (atk_text_get_type ())
104 #define ATK_IS_TEXT(obj) G_TYPE_CHECK_INSTANCE_TYPE ((obj), ATK_TYPE_TEXT)
105 #define ATK_TEXT(obj) G_TYPE_CHECK_INSTANCE_CAST ((obj), ATK_TYPE_TEXT, AtkText)
106 #define ATK_TEXT_GET_IFACE(obj) (G_TYPE_INSTANCE_GET_INTERFACE ((obj), ATK_TYPE_TEXT, AtkTextIface))
108 #ifndef _TYPEDEF_ATK_TEXT_
109 #define _TYPEDEF_ATK_TEXT_
110 typedef struct _AtkText AtkText;
112 typedef struct _AtkTextIface AtkTextIface;
117 *@ATK_TEXT_BOUNDARY_CHAR: Boundary is the boundary between characters
118 * (including non-printing characters)
119 *@ATK_TEXT_BOUNDARY_WORD_START: Boundary is the start (i.e. first character) of a word.
120 *@ATK_TEXT_BOUNDARY_WORD_END: Boundary is the end (i.e. last
121 * character) of a word. This boundary is deprecated, and should not be
123 *@ATK_TEXT_BOUNDARY_SENTENCE_START: Boundary is the first character in a sentence.
124 *@ATK_TEXT_BOUNDARY_SENTENCE_END: Boundary is the last (terminal)
125 * character in a sentence; in languages which use "sentence stop"
126 * punctuation such as English, the boundary is thus the '.', '?', or
127 * similar terminal punctuation character. This boundary is
128 * deprecated, and should not be used.
129 *@ATK_TEXT_BOUNDARY_LINE_START: Boundary is the initial character of the content or a
130 * character immediately following a newline, linefeed, or return character.
131 *@ATK_TEXT_BOUNDARY_LINE_END: Boundary is the linefeed, or return
132 * character. This boundary is deprecated, and should not be used.
134 * Text boundary types used for specifying boundaries for regions of
135 * text. Note that some boundaries are deprecated since 2.9.3., not
136 * marked explicitly due to the lack of a formal method to mark as
137 * deprecated some elements from a enum.
142 ATK_TEXT_BOUNDARY_CHAR,
143 ATK_TEXT_BOUNDARY_WORD_START,
144 ATK_TEXT_BOUNDARY_WORD_END,
145 ATK_TEXT_BOUNDARY_SENTENCE_START,
146 ATK_TEXT_BOUNDARY_SENTENCE_END,
147 ATK_TEXT_BOUNDARY_LINE_START,
148 ATK_TEXT_BOUNDARY_LINE_END
153 * @x: The horizontal coordinate of a rectangle
154 * @y: The vertical coordinate of a rectangle
155 * @width: The width of a rectangle
156 * @height: The height of a rectangle
158 * A structure used to store a rectangle used by AtkText.
161 typedef struct _AtkTextRectangle AtkTextRectangle;
163 struct _AtkTextRectangle {
172 * @bounds: A rectangle giving the bounds of the text range
173 * @start_offset: The start offset of a AtkTextRange
174 * @end_offset: The end offset of a AtkTextRange
175 * @content: The text in the text range
177 * A structure used to describe a text range.
179 typedef struct _AtkTextRange AtkTextRange;
181 struct _AtkTextRange {
182 AtkTextRectangle bounds;
188 GType atk_text_range_get_type (void);
192 *@ATK_TEXT_CLIP_NONE: No clipping to be done
193 *@ATK_TEXT_CLIP_MIN: Text clipped by min coordinate is omitted
194 *@ATK_TEXT_CLIP_MAX: Text clipped by max coordinate is omitted
195 *@ATK_TEXT_CLIP_BOTH: Only text fully within mix/max bound is retained
197 *Describes the type of clipping required.
208 * @get_text_after_offset: Gets specified text. This virtual function
209 * is deprecated and it should not be overridden.
210 * @get_text_before_offset: Gets specified text. This virtual function
211 * is deprecated and it should not be overridden.
212 * @text_changed: the signal handler which is executed when there is a
213 * text change. This virtual function is deprecated sice 2.9.4 and
214 * it should not be overriden.
218 GTypeInterface parent;
220 gchar* (* get_text) (AtkText *text,
223 gchar* (* get_text_after_offset) (AtkText *text,
225 AtkTextBoundary boundary_type,
228 gchar* (* get_text_at_offset) (AtkText *text,
230 AtkTextBoundary boundary_type,
233 gunichar (* get_character_at_offset) (AtkText *text,
235 gchar* (* get_text_before_offset) (AtkText *text,
237 AtkTextBoundary boundary_type,
240 gint (* get_caret_offset) (AtkText *text);
241 AtkAttributeSet* (* get_run_attributes) (AtkText *text,
245 AtkAttributeSet* (* get_default_attributes) (AtkText *text);
246 void (* get_character_extents) (AtkText *text,
252 AtkCoordType coords);
253 gint (* get_character_count) (AtkText *text);
254 gint (* get_offset_at_point) (AtkText *text,
257 AtkCoordType coords);
258 gint (* get_n_selections) (AtkText *text);
259 gchar* (* get_selection) (AtkText *text,
263 gboolean (* add_selection) (AtkText *text,
266 gboolean (* remove_selection) (AtkText *text,
268 gboolean (* set_selection) (AtkText *text,
272 gboolean (* set_caret_offset) (AtkText *text,
278 void (* text_changed) (AtkText *text,
281 void (* text_caret_moved) (AtkText *text,
283 void (* text_selection_changed) (AtkText *text);
285 void (* text_attributes_changed) (AtkText *text);
288 void (* get_range_extents) (AtkText *text,
291 AtkCoordType coord_type,
292 AtkTextRectangle *rect);
294 AtkTextRange** (* get_bounded_ranges) (AtkText *text,
295 AtkTextRectangle *rect,
296 AtkCoordType coord_type,
297 AtkTextClipType x_clip_type,
298 AtkTextClipType y_clip_type);
301 GType atk_text_get_type (void);
305 * Additional AtkObject properties used by AtkText:
306 * "accessible_text" (accessible text has changed)
307 * "accessible_caret" (accessible text cursor position changed:
308 * editable text only)
311 gchar* atk_text_get_text (AtkText *text,
314 gunichar atk_text_get_character_at_offset (AtkText *text,
316 G_DEPRECATED_FOR(atk_text_get_text_at_offset)
317 gchar* atk_text_get_text_after_offset (AtkText *text,
319 AtkTextBoundary boundary_type,
322 gchar* atk_text_get_text_at_offset (AtkText *text,
324 AtkTextBoundary boundary_type,
327 G_DEPRECATED_FOR(atk_text_get_text_at_offset)
328 gchar* atk_text_get_text_before_offset (AtkText *text,
330 AtkTextBoundary boundary_type,
333 gint atk_text_get_caret_offset (AtkText *text);
334 void atk_text_get_character_extents (AtkText *text,
340 AtkCoordType coords);
341 AtkAttributeSet* atk_text_get_run_attributes (AtkText *text,
345 AtkAttributeSet* atk_text_get_default_attributes (AtkText *text);
346 gint atk_text_get_character_count (AtkText *text);
347 gint atk_text_get_offset_at_point (AtkText *text,
350 AtkCoordType coords);
351 gint atk_text_get_n_selections (AtkText *text);
352 gchar* atk_text_get_selection (AtkText *text,
356 gboolean atk_text_add_selection (AtkText *text,
359 gboolean atk_text_remove_selection (AtkText *text,
361 gboolean atk_text_set_selection (AtkText *text,
365 gboolean atk_text_set_caret_offset (AtkText *text,
367 void atk_text_get_range_extents (AtkText *text,
371 AtkCoordType coord_type,
372 AtkTextRectangle *rect);
373 AtkTextRange** atk_text_get_bounded_ranges (AtkText *text,
374 AtkTextRectangle *rect,
375 AtkCoordType coord_type,
376 AtkTextClipType x_clip_type,
377 AtkTextClipType y_clip_type);
378 void atk_text_free_ranges (AtkTextRange **ranges);
379 void atk_attribute_set_free (AtkAttributeSet *attrib_set);
380 const gchar* atk_text_attribute_get_name (AtkTextAttribute attr);
381 AtkTextAttribute atk_text_attribute_for_name (const gchar *name);
382 const gchar* atk_text_attribute_get_value (AtkTextAttribute attr,
387 #endif /* __ATK_TEXT_H__ */