other-licenses/atk-1.0/atk/atktext.h

Tue, 06 Jan 2015 21:39:09 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Tue, 06 Jan 2015 21:39:09 +0100
branch
TOR_BUG_9701
changeset 8
97036ab72558
permissions
-rw-r--r--

Conditionally force memory storage according to privacy.thirdparty.isolate;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.

     1 /* ATK - The Accessibility Toolkit for GTK+
     2  * Copyright 2001 Sun Microsystems Inc.
     3  *
     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.
     8  *
     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.
    13  *
    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.
    18  */
    21 #ifndef __ATK_TEXT_H__
    22 #define __ATK_TEXT_H__
    24 #include <glib-object.h>
    25 #include <atk/atkobject.h>
    26 #include <atk/atkutil.h>
    28 #ifdef __cplusplus
    29 extern "C" {
    30 #endif /* __cplusplus */
    32 /**
    33  *AtkTextAttribute
    34  *@ATK_TEXT_ATTR_INVALID: Invalid attribute
    35  *@ATK_TEXT_ATTR_LEFT_MARGIN: The pixel width of the left margin
    36  *@ATK_TEXT_ATTR_RIGHT_MARGIN: The pixel width of the right margin
    37  *@ATK_TEXT_ATTR_INDENT: The number of pixels that the text is indented
    38  *@ATK_TEXT_ATTR_INVISIBLE: Either "true" or "false" indicating whether text is visible or not
    39  *@ATK_TEXT_ATTR_EDITABLE: Either "true" or "false" indicating whether text is editable or not
    40  *@ATK_TEXT_ATTR_PIXELS_ABOVE_LINES: Pixels of blank space to leave above each newline-terminated line. 
    41  *@ATK_TEXT_ATTR_PIXELS_BELOW_LINES: Pixels of blank space to leave below each newline-terminated line.
    42  *@ATK_TEXT_ATTR_PIXELS_INSIDE_WRAP: Pixels of blank space to leave between wrapped lines inside the same newline-terminated line (paragraph).
    43  *@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.
    44  *@ATK_TEXT_ATTR_RISE: Number of pixels that the characters are risen above the baseline
    45  *@ATK_TEXT_ATTR_UNDERLINE: "none", "single", "double" or "low"
    46  *@ATK_TEXT_ATTR_STRIKETHROUGH: "true" or "false" whether the text is strikethrough 
    47  *@ATK_TEXT_ATTR_SIZE: The size of the characters. 
    48  *@ATK_TEXT_ATTR_SCALE: The scale of the characters. The value is a string representation of a double 
    49  *@ATK_TEXT_ATTR_WEIGHT: The weight of the characters.
    50  *@ATK_TEXT_ATTR_LANGUAGE: The language used
    51  *@ATK_TEXT_ATTR_FAMILY_NAME: The font family name
    52  *@ATK_TEXT_ATTR_BG_COLOR: The background color. The value is an RGB value of the format "%u,%u,%u"
    53  *@ATK_TEXT_ATTR_FG_COLOR:The foreground color. The value is an RGB value of the format "%u,%u,%u"
    54  *@ATK_TEXT_ATTR_BG_STIPPLE: "true" if a #GdkBitmap is set for stippling the background color.
    55  *@ATK_TEXT_ATTR_FG_STIPPLE: "true" if a #GdkBitmap is set for stippling the foreground color.
    56  *@ATK_TEXT_ATTR_WRAP_MODE: The wrap mode of the text, if any. Values are "none", "char" or "word" 
    57  *@ATK_TEXT_ATTR_DIRECTION: The direction of the text, if set. Values are "none", "ltr" or "rtl" 
    58  *@ATK_TEXT_ATTR_JUSTIFICATION: The justification of the text, if set. Values are "left", "right", "center" or "fill" 
    59  *@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"
    60  *@ATK_TEXT_ATTR_VARIANT: The capitalization variant of the text, if set. Values are "normal" or "small_caps"
    61  *@ATK_TEXT_ATTR_STYLE: The slant style of the text, if set. Values are "normal", "oblique" or "italic"
    62  *@ATK_TEXT_ATTR_LAST_DEFINED: not a valid text attribute, used for finding end of enumeration
    63  *
    64  * Describes the text attributes supported
    65  **/
    66 typedef enum
    67 {
    68   ATK_TEXT_ATTR_INVALID = 0,
    69   ATK_TEXT_ATTR_LEFT_MARGIN,
    70   ATK_TEXT_ATTR_RIGHT_MARGIN,
    71   ATK_TEXT_ATTR_INDENT,
    72   ATK_TEXT_ATTR_INVISIBLE,
    73   ATK_TEXT_ATTR_EDITABLE,
    74   ATK_TEXT_ATTR_PIXELS_ABOVE_LINES,
    75   ATK_TEXT_ATTR_PIXELS_BELOW_LINES,
    76   ATK_TEXT_ATTR_PIXELS_INSIDE_WRAP,
    77   ATK_TEXT_ATTR_BG_FULL_HEIGHT,
    78   ATK_TEXT_ATTR_RISE,
    79   ATK_TEXT_ATTR_UNDERLINE,
    80   ATK_TEXT_ATTR_STRIKETHROUGH,
    81   ATK_TEXT_ATTR_SIZE,
    82   ATK_TEXT_ATTR_SCALE,
    83   ATK_TEXT_ATTR_WEIGHT,
    84   ATK_TEXT_ATTR_LANGUAGE,
    85   ATK_TEXT_ATTR_FAMILY_NAME,
    86   ATK_TEXT_ATTR_BG_COLOR,
    87   ATK_TEXT_ATTR_FG_COLOR,
    88   ATK_TEXT_ATTR_BG_STIPPLE,
    89   ATK_TEXT_ATTR_FG_STIPPLE,
    90   ATK_TEXT_ATTR_WRAP_MODE,
    91   ATK_TEXT_ATTR_DIRECTION,
    92   ATK_TEXT_ATTR_JUSTIFICATION,
    93   ATK_TEXT_ATTR_STRETCH,
    94   ATK_TEXT_ATTR_VARIANT,
    95   ATK_TEXT_ATTR_STYLE,
    96   ATK_TEXT_ATTR_LAST_DEFINED
    97 } AtkTextAttribute;
    99 AtkTextAttribute         atk_text_attribute_register   (const gchar *name);
   102 #define ATK_TYPE_TEXT                    (atk_text_get_type ())
   103 #define ATK_IS_TEXT(obj)                 G_TYPE_CHECK_INSTANCE_TYPE ((obj), ATK_TYPE_TEXT)
   104 #define ATK_TEXT(obj)                    G_TYPE_CHECK_INSTANCE_CAST ((obj), ATK_TYPE_TEXT, AtkText)
   105 #define ATK_TEXT_GET_IFACE(obj)          (G_TYPE_INSTANCE_GET_INTERFACE ((obj), ATK_TYPE_TEXT, AtkTextIface))
   107 #ifndef _TYPEDEF_ATK_TEXT_
   108 #define _TYPEDEF_ATK_TEXT_
   109 typedef struct _AtkText AtkText;
   110 #endif
   111 typedef struct _AtkTextIface AtkTextIface;
   113 /**
   114  *AtkTextBoundary:
   115  *@ATK_TEXT_BOUNDARY_CHAR: Boundary is the boundary between characters 
   116  * (including non-printing characters)
   117  *@ATK_TEXT_BOUNDARY_WORD_START: Boundary is the start (i.e. first character) of a word. 
   118  *@ATK_TEXT_BOUNDARY_WORD_END: Boundary is the end (i.e. last character) of a word.
   119  *@ATK_TEXT_BOUNDARY_SENTENCE_START: Boundary is the first character in a sentence.
   120  *@ATK_TEXT_BOUNDARY_SENTENCE_END: Boundary is the last (terminal) character in a sentence; 
   121  * in languages which use "sentence stop" punctuation such as English, the boundary is thus the
   122  * '.', '?', or similar terminal punctuation character.
   123  *@ATK_TEXT_BOUNDARY_LINE_START: Boundary is the initial character of the content or a 
   124  * character immediately following a newline, linefeed, or return character.
   125  *@ATK_TEXT_BOUNDARY_LINE_END: Boundary is the linefeed, or return character.
   126  *
   127  *Text boundary types used for specifying boundaries for regions of text
   128  **/
   129 typedef enum {
   130   ATK_TEXT_BOUNDARY_CHAR,
   131   ATK_TEXT_BOUNDARY_WORD_START,
   132   ATK_TEXT_BOUNDARY_WORD_END,
   133   ATK_TEXT_BOUNDARY_SENTENCE_START,
   134   ATK_TEXT_BOUNDARY_SENTENCE_END,
   135   ATK_TEXT_BOUNDARY_LINE_START,
   136   ATK_TEXT_BOUNDARY_LINE_END
   137 } AtkTextBoundary;
   139 /**
   140  * AtkTextRectangle:
   141  * @x: The horizontal coordinate of a rectangle
   142  * @y: The vertical coordinate of a rectangle
   143  * @width: The width of a rectangle
   144  * @height: The height of a rectangle
   145  *
   146  * A structure used to store a rectangle used by AtkText.
   147  **/
   149 typedef struct _AtkTextRectangle AtkTextRectangle;
   151 struct _AtkTextRectangle {
   152   gint x;
   153   gint y;
   154   gint width;
   155   gint height;
   156 };
   158 /**
   159  * AtkTextRange:
   160  * @bounds: A rectangle giving the bounds of the text range
   161  * @start_offset: The start offset of a AtkTextRange
   162  * @end_offset: The end offset of a AtkTextRange
   163  * @content: The text in the text range
   164  *
   165  * A structure used to describe a text range.
   166  **/
   167 typedef struct _AtkTextRange AtkTextRange;
   169 struct _AtkTextRange {
   170   AtkTextRectangle bounds;
   171   gint start_offset;
   172   gint end_offset;
   173   gchar* content;
   174 };
   176 /**
   177  *AtkTextClipType
   178  *@ATK_TEXT_CLIP_NONE: No clipping to be done
   179  *@ATK_TEXT_CLIP_MIN: Text clipped by min coordinate is omitted
   180  *@ATK_TEXT_CLIP_MAX: Text clipped by max coordinate is omitted
   181  *@ATK_TEXT_CLIP_BOTH: Only text fully within mix/max bound is retained
   182  *
   183  *Describes the type of clipping required.
   184  **/
   185 typedef enum {
   186     ATK_TEXT_CLIP_NONE,
   187     ATK_TEXT_CLIP_MIN,
   188     ATK_TEXT_CLIP_MAX,
   189     ATK_TEXT_CLIP_BOTH
   190 } AtkTextClipType;
   192 struct _AtkTextIface
   193 {
   194   GTypeInterface parent;
   196   gchar*         (* get_text)                     (AtkText          *text,
   197                                                    gint             start_offset,
   198                                                    gint             end_offset);
   199   gchar*         (* get_text_after_offset)        (AtkText          *text,
   200                                                    gint             offset,
   201                                                    AtkTextBoundary  boundary_type,
   202 						   gint             *start_offset,
   203 						   gint             *end_offset);
   204   gchar*         (* get_text_at_offset)           (AtkText          *text,
   205                                                    gint             offset,
   206                                                    AtkTextBoundary  boundary_type,
   207 						   gint             *start_offset,
   208 						   gint             *end_offset);
   209   gunichar       (* get_character_at_offset)      (AtkText          *text,
   210                                                    gint             offset);
   211   gchar*         (* get_text_before_offset)       (AtkText          *text,
   212                                                    gint             offset,
   213                                                    AtkTextBoundary  boundary_type,
   214  						   gint             *start_offset,
   215 						   gint             *end_offset);
   216   gint           (* get_caret_offset)             (AtkText          *text);
   217   AtkAttributeSet* (* get_run_attributes)         (AtkText	    *text,
   218 						   gint	  	    offset,
   219 						   gint             *start_offset,
   220 						   gint	 	    *end_offset);
   221   AtkAttributeSet* (* get_default_attributes)     (AtkText	    *text);
   222   void           (* get_character_extents)        (AtkText          *text,
   223                                                    gint             offset,
   224                                                    gint             *x,
   225                                                    gint             *y,
   226                                                    gint             *width,
   227                                                    gint             *height,
   228                                                    AtkCoordType	    coords);
   229   gint           (* get_character_count)          (AtkText          *text);
   230   gint           (* get_offset_at_point)          (AtkText          *text,
   231                                                    gint             x,
   232                                                    gint             y,
   233                                                    AtkCoordType	    coords);
   234   gint		 (* get_n_selections)		  (AtkText          *text);
   235   gchar*         (* get_selection)	          (AtkText          *text,
   236 						   gint		    selection_num,
   237 						   gint		    *start_offset,
   238 						   gint		    *end_offset);
   239   gboolean       (* add_selection)		  (AtkText          *text,
   240 						   gint		    start_offset,
   241 						   gint		    end_offset);
   242   gboolean       (* remove_selection)		  (AtkText          *text,
   243 						   gint             selection_num);
   244   gboolean       (* set_selection)		  (AtkText          *text,
   245 						   gint		    selection_num,
   246 						   gint		    start_offset,
   247 						   gint		    end_offset);
   248   gboolean       (* set_caret_offset)             (AtkText          *text,
   249                                                    gint             offset);
   251   /*
   252    * signal handlers
   253    */
   254   void		 (* text_changed)                 (AtkText          *text,
   255                                                    gint             position,
   256                                                    gint             length);
   257   void           (* text_caret_moved)             (AtkText          *text,
   258                                                    gint             location);
   259   void           (* text_selection_changed)       (AtkText          *text);
   261   void           (* text_attributes_changed)      (AtkText          *text);
   264   void           (* get_range_extents)            (AtkText          *text,
   265                                                    gint             start_offset,
   266                                                    gint             end_offset,
   267                                                    AtkCoordType     coord_type,
   268                                                    AtkTextRectangle *rect);
   270   AtkTextRange** (* get_bounded_ranges)           (AtkText          *text,
   271                                                    AtkTextRectangle *rect,
   272                                                    AtkCoordType     coord_type,
   273                                                    AtkTextClipType  x_clip_type,
   274                                                    AtkTextClipType  y_clip_type);
   277   AtkFunction    pad4;
   278 };
   280 GType            atk_text_get_type (void);
   283 /*
   284  * Additional AtkObject properties used by AtkText:
   285  *    "accessible_text" (accessible text has changed)
   286  *    "accessible_caret" (accessible text cursor position changed:
   287  *                         editable text only)
   288  */
   290 gchar*        atk_text_get_text                           (AtkText          *text,
   291                                                            gint             start_offset,
   292                                                            gint             end_offset);
   293 gunichar      atk_text_get_character_at_offset            (AtkText          *text,
   294                                                            gint             offset);
   295 gchar*        atk_text_get_text_after_offset              (AtkText          *text,
   296                                                            gint             offset,
   297                                                            AtkTextBoundary  boundary_type,
   298 							   gint             *start_offset,
   299 							   gint	            *end_offset);
   300 gchar*        atk_text_get_text_at_offset                 (AtkText          *text,
   301                                                            gint             offset,
   302                                                            AtkTextBoundary  boundary_type,
   303 							   gint             *start_offset,
   304 							   gint             *end_offset);
   305 gchar*        atk_text_get_text_before_offset             (AtkText          *text,
   306                                                            gint             offset,
   307                                                            AtkTextBoundary  boundary_type,
   308 							   gint             *start_offset,
   309 							   gint	            *end_offset);
   310 gint          atk_text_get_caret_offset                   (AtkText          *text);
   311 void          atk_text_get_character_extents              (AtkText          *text,
   312                                                            gint             offset,
   313                                                            gint             *x,
   314                                                            gint             *y,
   315                                                            gint             *width,
   316                                                            gint             *height,
   317                                                            AtkCoordType	    coords);
   318 AtkAttributeSet* atk_text_get_run_attributes              (AtkText	    *text,
   319 						           gint	  	    offset,
   320 						           gint             *start_offset,
   321 						           gint	 	    *end_offset);
   322 AtkAttributeSet* atk_text_get_default_attributes          (AtkText	    *text);
   323 gint          atk_text_get_character_count                (AtkText          *text);
   324 gint          atk_text_get_offset_at_point                (AtkText          *text,
   325                                                            gint             x,
   326                                                            gint             y,
   327                                                            AtkCoordType	    coords);
   328 gint          atk_text_get_n_selections			  (AtkText          *text);
   329 gchar*        atk_text_get_selection			  (AtkText          *text,
   330 							   gint		    selection_num,
   331 							   gint             *start_offset,
   332 							   gint             *end_offset);
   333 gboolean      atk_text_add_selection                      (AtkText          *text,
   334 							   gint             start_offset,
   335 							   gint             end_offset);
   336 gboolean      atk_text_remove_selection                   (AtkText          *text,
   337 							   gint		    selection_num);
   338 gboolean      atk_text_set_selection                      (AtkText          *text,
   339 							   gint		    selection_num,
   340 							   gint             start_offset,
   341 							   gint             end_offset);
   342 gboolean      atk_text_set_caret_offset                   (AtkText          *text,
   343                                                            gint             offset);
   344 void          atk_text_get_range_extents                  (AtkText          *text,
   346                                                            gint             start_offset,
   347                                                            gint             end_offset,
   348                                                            AtkCoordType     coord_type,
   349                                                            AtkTextRectangle *rect);
   350 AtkTextRange**  atk_text_get_bounded_ranges               (AtkText          *text,
   351                                                            AtkTextRectangle *rect,
   352                                                            AtkCoordType     coord_type,
   353                                                            AtkTextClipType  x_clip_type,
   354                                                            AtkTextClipType  y_clip_type);
   355 void          atk_text_free_ranges                        (AtkTextRange     **ranges);
   356 void 	      atk_attribute_set_free                      (AtkAttributeSet  *attrib_set);
   357 G_CONST_RETURN gchar*  atk_text_attribute_get_name        (AtkTextAttribute attr);
   358 AtkTextAttribute       atk_text_attribute_for_name        (const gchar      *name);
   359 G_CONST_RETURN gchar*  atk_text_attribute_get_value       (AtkTextAttribute attr,
   360                                                            gint             index_);
   362 #ifdef __cplusplus
   363 }
   364 #endif /* __cplusplus */
   367 #endif /* __ATK_TEXT_H__ */

mercurial