* AT-SPI - Assistive Technology Service Provider Interface
* (Gnome Accessibility Project; http://developer.gnome.org/projects/gap)
*
- * Copyright 2001 Sun Microsystems Inc.
+ * Copyright 2001, 2002 Sun Microsystems Inc.,
+ * Copyright 2001, 2002 Ximian, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* Boston, MA 02111-1307, USA.
*/
-/*
- * component.c : bonobo wrapper for accessible component implementation
- *
- */
-#include <config.h>
-#include <bonobo/Bonobo.h>
+/* text.c : implements the Text interface */
+#include <config.h>
#include <stdio.h>
-
-/*
- * This pulls the CORBA definitions for the "Accessibility::Accessible" server
- */
-#include <libspi/Accessibility.h>
-
-/*
- * This pulls the definition of the Text bonobo object
- */
-#include "text.h"
-
-/*
- * Static function declarations
- */
-
-static void
-text_class_init (TextClass *klass);
-static void
-text_init (Text *text);
-static void
-text_finalize (GObject *obj);
-static CORBA_string
-impl_getText (PortableServer_Servant _servant,
- const CORBA_long startOffset,
- const CORBA_long endOffset,
- CORBA_Environment * ev);
-CORBA_string
-impl_getTextAfterOffset (PortableServer_Servant _servant,
- const CORBA_long offset,
- const
- Accessibility_TEXT_BOUNDARY_TYPE
- type, CORBA_long * startOffset,
- CORBA_long * endOffset,
- CORBA_Environment * ev);
-static CORBA_string
-impl_getTextAtOffset (PortableServer_Servant _servant,
- const CORBA_long offset,
- const Accessibility_TEXT_BOUNDARY_TYPE
- type, CORBA_long * startOffset,
- CORBA_long * endOffset,
- CORBA_Environment * ev);
-static CORBA_wchar
-impl_getCharacterAtOffset (PortableServer_Servant _servant,
- const CORBA_long offset,
- CORBA_Environment * ev);
-static CORBA_string
-impl_getTextBeforeOffset (PortableServer_Servant _servant,
- const CORBA_long offset,
- const
- Accessibility_TEXT_BOUNDARY_TYPE
- type, CORBA_long * startOffset,
- CORBA_long * endOffset,
- CORBA_Environment * ev);
-static CORBA_long
-impl__get_caretOffset (PortableServer_Servant _servant,
- CORBA_Environment * ev);
-static CORBA_string
-impl_getAttributes (PortableServer_Servant _servant,
- const CORBA_long offset,
- CORBA_long * startOffset,
- CORBA_long * endOffset,
- CORBA_Environment * ev);
-static void
-impl_getCharacterExtents (PortableServer_Servant _servant,
- const CORBA_long offset, CORBA_long * x,
- CORBA_long * y, CORBA_long * width,
- CORBA_long * height,
- const CORBA_short coordType,
- CORBA_Environment * ev);
-static CORBA_long
-impl__get_characterCount (PortableServer_Servant _servant,
- CORBA_Environment * ev);
-static CORBA_long
-impl_getOffsetAtPoint (PortableServer_Servant _servant,
- const CORBA_long x, const CORBA_long y,
- const CORBA_short coordType,
- CORBA_Environment * ev);
-static CORBA_long
-impl_getNSelections (PortableServer_Servant _servant,
- CORBA_Environment * ev);
-static void
-impl_getSelection (PortableServer_Servant _servant,
- const CORBA_long selectionNum,
- CORBA_long * startOffset, CORBA_long * endOffset,
- CORBA_Environment * ev);
-static CORBA_boolean
-impl_addSelection (PortableServer_Servant _servant,
- const CORBA_long startOffset,
- const CORBA_long endOffset,
- CORBA_Environment * ev);
-static CORBA_boolean
-impl_removeSelection (PortableServer_Servant _servant,
- const CORBA_long selectionNum,
- CORBA_Environment * ev);
-static CORBA_boolean
-impl_setSelection (PortableServer_Servant _servant,
- const CORBA_long selectionNum,
- const CORBA_long startOffset,
- const CORBA_long endOffset,
- CORBA_Environment * ev);
-static CORBA_boolean
-impl_setCaretOffset (PortableServer_Servant _servant,
- const CORBA_long value,
- CORBA_Environment * ev);
-
-
-
-static GObjectClass *parent_class;
-
-GType
-text_get_type (void)
+#include <stdlib.h>
+#include <string.h>
+#include <atk/atktext.h>
+#include <libspi/text.h>
+#include <libspi/spi-private.h>
+
+/* Our parent Gtk object type */
+#define PARENT_TYPE SPI_TYPE_BASE
+
+typedef struct {
+ gint x;
+ gint y;
+ gint w;
+ gint h;
+} SpiTextRect;
+
+static SpiTextRect *
+_spi_text_rect_union (SpiTextRect *aggregate, SpiTextRect *subrect)
{
- static GType type = 0;
-
- if (!type) {
- static const GTypeInfo tinfo = {
- sizeof (TextClass),
- (GBaseInitFunc) NULL,
- (GBaseFinalizeFunc) NULL,
- (GClassInitFunc) text_class_init,
- (GClassFinalizeFunc) NULL,
- NULL, /* class data */
- sizeof (Text),
- 0, /* n preallocs */
- (GInstanceInitFunc) text_init,
- NULL /* value table */
- };
-
- /*
- * Bonobo_type_unique auto-generates a load of
- * CORBA structures for us. All derived types must
- * use bonobo_type_unique.
- */
- type = bonobo_type_unique (
- BONOBO_OBJECT_TYPE,
- POA_Accessibility_Text__init,
- NULL,
- G_STRUCT_OFFSET (TextClass, epv),
- &tinfo,
- "AccessibleText");
- }
-
- return type;
+ if (subrect != NULL)
+ {
+ /* 'normalize' subrect */
+ if (subrect->w < 0)
+ {
+ subrect->x += subrect->w;
+ subrect->w *= -1;
+ }
+ if (subrect->h < 0)
+ {
+ subrect->y += subrect->h;
+ subrect->h *= -1;
+ }
+ if (aggregate == NULL)
+ {
+ aggregate = g_new (SpiTextRect, 1);
+ memcpy (aggregate, subrect, sizeof (SpiTextRect));
+ }
+ else
+ {
+ gint ax2 = aggregate->x + aggregate->w;
+ gint ay2 = aggregate->y + aggregate->h;
+ gint sx2 = subrect->x + subrect->w;
+ gint sy2 = subrect->y + subrect->h;
+ if (subrect->x < aggregate->x)
+ {
+ aggregate->w += (aggregate->x - subrect->x);
+ aggregate->x = subrect->x;
+ }
+ if (sx2 > ax2)
+ {
+ aggregate->w += (sx2 - ax2);
+ }
+ if (subrect->y < aggregate->y)
+ {
+ aggregate->h += (aggregate->y - subrect->y);
+ aggregate->y = subrect->y;
+ }
+ if (sy2 > ay2)
+ {
+ aggregate->h += (sy2 - ay2);
+ }
+ }
+ }
+ return aggregate;
}
-static void
-text_class_init (TextClass *klass)
+static AtkText *
+get_text_from_servant (PortableServer_Servant servant)
{
- GObjectClass * object_class = (GObjectClass *) klass;
- POA_Accessibility_Text__epv *epv = &klass->epv;
- parent_class = g_type_class_peek_parent (klass);
-
- object_class->finalize = text_finalize;
-
-
- /* Initialize epv table */
+ SpiBase *object = SPI_BASE (bonobo_object_from_servant (servant));
- epv->getText = impl_getText;
- epv->getTextAfterOffset = impl_getTextAfterOffset;
- epv->getCharacterAtOffset = impl_getCharacterAtOffset;
- epv->getTextAtOffset = impl_getTextAtOffset;
- epv->getTextBeforeOffset = impl_getTextBeforeOffset;
- epv->_get_caretOffset = impl__get_caretOffset;
- epv->getAttributes = impl_getAttributes;
- epv->getCharacterExtents = impl_getCharacterExtents;
- epv->_get_characterCount = impl__get_characterCount;
- epv->getOffsetAtPoint = impl_getOffsetAtPoint;
- epv->getNSelections = impl_getNSelections;
- epv->getSelection = impl_getSelection;
- epv->addSelection = impl_addSelection;
- epv->removeSelection = impl_removeSelection;
- epv->setSelection = impl_setSelection;
- epv->setCaretOffset = impl_setCaretOffset;
-}
-
-static void
-text_init (Text *text)
-{
-}
-
-static void
-text_finalize (GObject *obj)
-{
- Text *text = TEXT (obj);
- g_object_unref (text->atko);
- text->atko = NULL;
- parent_class->finalize (obj);
+ g_return_val_if_fail (object, NULL);
+ g_return_val_if_fail (ATK_IS_OBJECT(object->gobj), NULL);
+ return ATK_TEXT (object->gobj);
}
-Text *
-text_interface_new (AtkObject *obj)
-{
- Text *new_text =
- TEXT(g_object_new (TEXT_TYPE, NULL));
- new_text->atko = obj;
- g_object_ref (obj);
- return new_text;
-}
-
-
-
static CORBA_string
-impl_getText (PortableServer_Servant _servant,
- const CORBA_long startOffset,
- const CORBA_long endOffset,
- CORBA_Environment * ev)
+impl_getText (PortableServer_Servant servant,
+ const CORBA_long startOffset,
+ const CORBA_long endOffset,
+ CORBA_Environment *ev)
{
- Text *text = TEXT (bonobo_object_from_servant (_servant));
gchar *txt;
- CORBA_char *rv;
+ CORBA_string rv;
+ AtkText *text = get_text_from_servant (servant);
+
+ g_return_val_if_fail (text != NULL, CORBA_string_dup (""));
+
+ txt = atk_text_get_text (text, startOffset, endOffset);
+ if (txt)
+ {
+ rv = CORBA_string_dup (txt);
+ g_free (txt);
+ }
+ else
+ rv = CORBA_string_dup ("");
- txt = atk_text_get_text (ATK_TEXT(text->atko),
- (gint) startOffset, (gint) endOffset);
- rv = CORBA_string_dup (txt);
- g_free (txt);
return rv;
}
-
CORBA_string
-impl_getTextAfterOffset (PortableServer_Servant _servant,
+impl_getTextAfterOffset (PortableServer_Servant servant,
const CORBA_long offset,
const
Accessibility_TEXT_BOUNDARY_TYPE
type, CORBA_long * startOffset,
CORBA_long * endOffset,
- CORBA_Environment * ev)
+ CORBA_Environment *ev)
{
- Text *text = TEXT (bonobo_object_from_servant (_servant));
gchar *txt;
CORBA_char *rv;
+ gint intStartOffset, intEndOffset;
+ AtkText *text = get_text_from_servant (servant);
+
+ g_return_val_if_fail (text != NULL, CORBA_string_dup (""));
+
+ txt = atk_text_get_text_after_offset (text,
+ offset, (AtkTextBoundary) type,
+ &intStartOffset, &intEndOffset);
+ *startOffset = intStartOffset;
+ *endOffset = intEndOffset;
+
+ if (txt)
+ {
+ rv = CORBA_string_dup (txt);
+ g_free (txt);
+ }
+ else
+ rv = CORBA_string_dup ("");
- txt = atk_text_get_text_after_offset (ATK_TEXT(text->atko),
- (gint) offset, (AtkTextBoundary) type,
- (gint *) startOffset, (gint *) endOffset);
- rv = CORBA_string_dup (txt);
- g_free (txt);
return rv;
}
-
static CORBA_string
-impl_getTextAtOffset (PortableServer_Servant _servant,
+impl_getTextAtOffset (PortableServer_Servant servant,
const CORBA_long offset,
- const Accessibility_TEXT_BOUNDARY_TYPE
- type, CORBA_long * startOffset,
+ const Accessibility_TEXT_BOUNDARY_TYPE type,
+ CORBA_long * startOffset,
CORBA_long * endOffset,
- CORBA_Environment * ev)
+ CORBA_Environment *ev)
{
- Text *text = TEXT (bonobo_object_from_servant (_servant));
gchar *txt;
CORBA_char *rv;
+ gint intStartOffset, intEndOffset;
+ AtkText *text = get_text_from_servant (servant);
+
+ g_return_val_if_fail (text != NULL, CORBA_string_dup (""));
+
+ txt = atk_text_get_text_at_offset (
+ text,
+ offset, (AtkTextBoundary) type,
+ &intStartOffset, &intEndOffset);
+
+ *startOffset = intStartOffset;
+ *endOffset = intEndOffset;
+
+ if (txt)
+ {
+ rv = CORBA_string_dup (txt);
+ g_free (txt);
+ }
+ else
+ rv = CORBA_string_dup ("");
- txt = atk_text_get_text_at_offset (ATK_TEXT(text->atko),
- (gint) offset, (AtkTextBoundary) type,
- (gint *) startOffset, (gint *) endOffset);
- rv = CORBA_string_dup (txt);
- g_free (txt);
return rv;
}
-
-static CORBA_wchar
-impl_getCharacterAtOffset (PortableServer_Servant _servant,
+static CORBA_unsigned_long
+impl_getCharacterAtOffset (PortableServer_Servant servant,
const CORBA_long offset,
- CORBA_Environment * ev)
+ CORBA_Environment *ev)
{
- Text *text = TEXT (bonobo_object_from_servant (_servant));
- return (CORBA_wchar)
- atk_text_get_character_at_offset (ATK_TEXT(text->atko), (gint) offset);
+ AtkText *text = get_text_from_servant (servant);
+
+ g_return_val_if_fail (text != NULL, 0);
+
+ return atk_text_get_character_at_offset (text, offset);
}
static CORBA_string
-impl_getTextBeforeOffset (PortableServer_Servant _servant,
+impl_getTextBeforeOffset (PortableServer_Servant servant,
const CORBA_long offset,
const
Accessibility_TEXT_BOUNDARY_TYPE
type, CORBA_long * startOffset,
CORBA_long * endOffset,
- CORBA_Environment * ev)
+ CORBA_Environment *ev)
{
- Text *text = TEXT (bonobo_object_from_servant (_servant));
gchar *txt;
CORBA_char *rv;
+ gint intStartOffset, intEndOffset;
+ AtkText *text = get_text_from_servant (servant);
+
+ g_return_val_if_fail (text != NULL, CORBA_string_dup (""));
+
+ txt = atk_text_get_text_before_offset (text,
+ offset, (AtkTextBoundary) type,
+ &intStartOffset, &intEndOffset);
+
+ *startOffset = intStartOffset;
+ *endOffset = intEndOffset;
- txt = atk_text_get_text_before_offset (ATK_TEXT(text->atko),
- (gint) offset, (AtkTextBoundary) type,
- (gint *) startOffset, (gint *) endOffset);
- rv = CORBA_string_dup (txt);
- g_free (txt);
+ if (txt)
+ {
+ rv = CORBA_string_dup (txt);
+ g_free (txt);
+ }
+ else
+ rv = CORBA_string_dup ("");
+
+ return rv;
}
static CORBA_long
-impl__get_caretOffset (PortableServer_Servant _servant,
- CORBA_Environment * ev)
+impl__get_caretOffset (PortableServer_Servant servant,
+ CORBA_Environment *ev)
+{
+ AtkText *text = get_text_from_servant (servant);
+
+ g_return_val_if_fail (text != NULL, -1);
+
+ return atk_text_get_caret_offset (text);
+}
+
+
+static CORBA_char *
+_string_from_attribute_set (AtkAttributeSet *set)
{
- Text *text = TEXT (bonobo_object_from_servant (_servant));
- return (CORBA_long)
- atk_text_get_caret_offset (ATK_TEXT(text->atko));
+ gchar *attributes, *tmp, *tmp2;
+ CORBA_char *rv;
+ GSList *cur_attr;
+ AtkAttribute *at;
+
+ attributes = g_strdup ("");
+ cur_attr = (GSList *) set;
+ while (cur_attr)
+ {
+ at = (AtkAttribute *) cur_attr->data;
+ tmp = g_strdup_printf ("%s%s:%s%s",
+ ((GSList *)(set) == cur_attr) ? "" : " ",
+ at->name, at->value,
+ (cur_attr->next) ? ";" : "");
+ tmp2 = g_strconcat (attributes, tmp, NULL);
+ g_free (tmp);
+ g_free (attributes);
+ attributes = tmp2;
+ cur_attr = cur_attr->next;
+ }
+ rv = CORBA_string_dup (attributes);
+ g_free (attributes);
+ return rv;
}
static CORBA_string
-impl_getAttributes (PortableServer_Servant _servant,
- const CORBA_long offset,
- CORBA_long * startOffset,
- CORBA_long * endOffset,
- CORBA_Environment * ev)
+impl_getAttributes (PortableServer_Servant servant,
+ const CORBA_long offset,
+ CORBA_long * startOffset,
+ CORBA_long * endOffset,
+ CORBA_Environment *ev)
{
- Text *text = TEXT (bonobo_object_from_servant (_servant));
- g_print ("getAttributes not implemented.\n");
+ AtkAttributeSet *set;
+ gint intstart_offset, intend_offset;
+ CORBA_char *rv;
+ AtkText *text = get_text_from_servant (servant);
+
+ g_return_val_if_fail (text != NULL, CORBA_string_dup (""));
+
+ set = atk_text_get_run_attributes (text, offset,
+ &intstart_offset, &intend_offset);
+ *startOffset = intstart_offset;
+ *endOffset = intend_offset;
+ rv = _string_from_attribute_set (set);
+ atk_attribute_set_free (set);
+ return rv;
}
+static CORBA_string
+impl_getDefaultAttributes (PortableServer_Servant servant,
+ CORBA_Environment *ev)
+{
+ AtkAttributeSet *set;
+ gint intstart_offset, intend_offset;
+ CORBA_char *rv;
+ AtkText *text = get_text_from_servant (servant);
+ g_return_val_if_fail (text != NULL, CORBA_string_dup (""));
+
+ set = atk_text_get_default_attributes (text);
+
+ rv = _string_from_attribute_set (set);
+ atk_attribute_set_free (set);
+ return rv;
+}
static void
-impl_getCharacterExtents (PortableServer_Servant _servant,
+impl_getCharacterExtents (PortableServer_Servant servant,
const CORBA_long offset, CORBA_long * x,
CORBA_long * y, CORBA_long * width,
CORBA_long * height,
const CORBA_short coordType,
- CORBA_Environment * ev)
+ CORBA_Environment *ev)
{
- Text *text = TEXT (bonobo_object_from_servant (_servant));
- atk_text_get_character_extents (ATK_TEXT(text->atko), (gint) offset,
- (gint *) x, (gint *) y, (gint *) width, (gint *) height,
- (AtkCoordType) coordType);
+ AtkText *text = get_text_from_servant (servant);
+ gint ix, iy, iw, ih;
+
+ g_return_if_fail (text != NULL);
+
+ atk_text_get_character_extents (
+ text, offset,
+ &ix, &iy, &iw, &ih,
+ (AtkCoordType) coordType);
+ *x = ix;
+ *y = iy;
+ *width = iw;
+ *height = ih;
}
-
static CORBA_long
-impl__get_characterCount (PortableServer_Servant _servant,
- CORBA_Environment * ev)
+impl__get_characterCount (PortableServer_Servant servant,
+ CORBA_Environment *ev)
{
- Text *text = TEXT (bonobo_object_from_servant (_servant));
- return (CORBA_long)
- atk_text_get_character_count (ATK_TEXT(text->atko));
-}
+ AtkText *text = get_text_from_servant (servant);
+ g_return_val_if_fail (text != NULL, 0);
+
+ return atk_text_get_character_count (text);
+}
static CORBA_long
-impl_getOffsetAtPoint (PortableServer_Servant _servant,
+impl_getOffsetAtPoint (PortableServer_Servant servant,
const CORBA_long x, const CORBA_long y,
const CORBA_short coordType,
- CORBA_Environment * ev)
+ CORBA_Environment *ev)
{
- Text *text = TEXT (bonobo_object_from_servant (_servant));
- return (CORBA_long)
- atk_text_get_offset_at_point (ATK_TEXT(text->atko),
- (gint) x, (gint) y, (AtkCoordType) coordType);
-}
+ AtkText *text = get_text_from_servant (servant);
+
+ g_return_val_if_fail (text != NULL, -1);
+ return atk_text_get_offset_at_point (text,
+ x, y,
+ (AtkCoordType) coordType);
+}
static CORBA_long
-impl_getNSelections (PortableServer_Servant _servant,
- CORBA_Environment * ev)
+impl_getNSelections (PortableServer_Servant servant,
+ CORBA_Environment *ev)
{
- Text *text = TEXT (bonobo_object_from_servant (_servant));
- return (CORBA_long)
- atk_text_get_n_selections (ATK_TEXT(text->atko));
-}
+ AtkText *text = get_text_from_servant (servant);
+ g_return_val_if_fail (text != NULL, 0);
+
+ return atk_text_get_n_selections (text);
+}
static void
-impl_getSelection (PortableServer_Servant _servant,
+impl_getSelection (PortableServer_Servant servant,
const CORBA_long selectionNum,
CORBA_long * startOffset, CORBA_long * endOffset,
- CORBA_Environment * ev)
+ CORBA_Environment *ev)
{
- Text *text = TEXT (bonobo_object_from_servant (_servant));
- atk_text_get_selection (ATK_TEXT(text->atko), (gint) selectionNum,
- (gint *) startOffset, (gint *) endOffset);
-}
+ AtkText *text = get_text_from_servant (servant);
+ gint intStartOffset, intEndOffset;
+
+ g_return_if_fail (text != NULL);
+ /* atk_text_get_selection returns gchar* which we discard */
+ g_free (atk_text_get_selection (text, selectionNum,
+ &intStartOffset, &intEndOffset));
+
+ *startOffset = intStartOffset;
+ *endOffset = intEndOffset;
+}
static CORBA_boolean
-impl_addSelection (PortableServer_Servant _servant,
+impl_addSelection (PortableServer_Servant servant,
const CORBA_long startOffset,
const CORBA_long endOffset,
- CORBA_Environment * ev)
+ CORBA_Environment *ev)
{
- Text *text = TEXT (bonobo_object_from_servant (_servant));
- return (CORBA_boolean)
- atk_text_add_selection (ATK_TEXT(text->atko),
- (gint) startOffset, (gint) endOffset);
-}
+ AtkText *text = get_text_from_servant (servant);
+ g_return_val_if_fail (text != NULL, FALSE);
+
+ return atk_text_add_selection (text,
+ startOffset, endOffset);
+}
static CORBA_boolean
-impl_removeSelection (PortableServer_Servant _servant,
+impl_removeSelection (PortableServer_Servant servant,
const CORBA_long selectionNum,
- CORBA_Environment * ev)
+ CORBA_Environment *ev)
{
- Text *text = TEXT (bonobo_object_from_servant (_servant));
- return (CORBA_boolean)
- atk_text_remove_selection (ATK_TEXT(text->atko), (gint) selectionNum);
-}
+ AtkText *text = get_text_from_servant (servant);
+
+ g_return_val_if_fail (text != NULL, FALSE);
+ return atk_text_remove_selection (text, selectionNum);
+}
static CORBA_boolean
-impl_setSelection (PortableServer_Servant _servant,
+impl_setSelection (PortableServer_Servant servant,
const CORBA_long selectionNum,
const CORBA_long startOffset,
const CORBA_long endOffset,
- CORBA_Environment * ev)
+ CORBA_Environment *ev)
{
- Text *text = TEXT (bonobo_object_from_servant (_servant));
- return (CORBA_boolean)
- atk_text_set_selection (ATK_TEXT(text->atko),
- (gint) selectionNum, (gint) startOffset, (gint) endOffset);
-}
+ AtkText *text = get_text_from_servant (servant);
+ g_return_val_if_fail (text != NULL, FALSE);
+
+ return atk_text_set_selection (text,
+ selectionNum, startOffset, endOffset);
+}
static CORBA_boolean
-impl_setCaretOffset (PortableServer_Servant _servant,
+impl_setCaretOffset (PortableServer_Servant servant,
const CORBA_long value,
+ CORBA_Environment *ev)
+{
+ AtkText *text = get_text_from_servant (servant);
+
+ g_return_val_if_fail (text != NULL, FALSE);
+
+ return atk_text_set_caret_offset (text, value);
+}
+
+#define SPI_TEXT_MIN_RANGE_FOR_LINE_CHECK 6
+
+static void
+impl_getRangeExtents(PortableServer_Servant servant,
+ const CORBA_long startOffset,
+ const CORBA_long endOffset,
+ CORBA_long * x, CORBA_long * y,
+ CORBA_long * width,
+ CORBA_long * height,
+ const CORBA_short coordType,
CORBA_Environment * ev)
{
- Text *text = TEXT (bonobo_object_from_servant (_servant));
- return (CORBA_boolean)
- atk_text_set_caret_offset (ATK_TEXT(text->atko), (gint) value);
+ AtkText *text = get_text_from_servant (servant);
+ SpiTextRect cbounds, bounds;
+ int i;
+
+ g_return_if_fail (text != NULL);
+
+ atk_text_get_character_extents (text, startOffset,
+ &bounds.x, &bounds.y, &bounds.w, &bounds.h,
+ (AtkCoordType) coordType);
+ /* no equivalent ATK API yet, must do the hard way. :-( */
+ for (i = startOffset + 1; i < endOffset; i++)
+ {
+ atk_text_get_character_extents (text, i,
+ &cbounds.x, &cbounds.y, &cbounds.w, &cbounds.h,
+ (AtkCoordType) coordType);
+ _spi_text_rect_union (&bounds, &cbounds);
+ }
+
+ *x = bounds.x;
+ *y = bounds.y;
+ *width = bounds.w;
+ *height = bounds.h;
}
+static Accessibility_Text_RangeList *
+_spi_text_range_seq_from_gslist (GSList *range_list)
+{
+ Accessibility_Text_RangeList *rangeList =
+ Accessibility_Text_RangeList__alloc ();
+ int i, len = g_slist_length (range_list);
+ GSList *list = range_list;
+
+ rangeList->_length = len;
+ rangeList->_buffer = Accessibility_Text_RangeList_allocbuf (len);
+ for (i = 0; i < len; ++i)
+ {
+ memcpy (&rangeList->_buffer[i], list->data, sizeof (Accessibility_Text_Range));
+ spi_init_any_nil (&rangeList->_buffer[i].data);
+ g_free (list->data);
+ list = g_slist_next (range_list);
+ }
+ g_slist_free (range_list);
+
+ return rangeList;
+}
+static gboolean
+_spi_bounds_contain (SpiTextRect *clip, SpiTextRect *cbounds,
+ Accessibility_TEXT_CLIP_TYPE xClipType,
+ Accessibility_TEXT_CLIP_TYPE yClipType)
+{
+ gint clipx2 = clip->x + clip->w;
+ gint clipy2 = clip->y + clip->h;
+ gint charx2 = cbounds->x + cbounds->w;
+ gint chary2 = cbounds->y + cbounds->h;
+ gboolean x_min_ok, y_min_ok, x_max_ok, y_max_ok;
+
+ x_min_ok = (cbounds->x >= clip->x) ||
+ ((charx2 >= clip->x) &&
+ ((xClipType == Accessibility_TEXT_CLIP_NONE) ||
+ (xClipType == Accessibility_TEXT_CLIP_MAX)));
+ x_max_ok = (charx2 <= clipx2) ||
+ ((cbounds->x <= clipx2) &&
+ ((xClipType == Accessibility_TEXT_CLIP_NONE) ||
+ (xClipType == Accessibility_TEXT_CLIP_MIN)));
+ y_min_ok = (cbounds->y >= clip->y) ||
+ ((chary2 >= clip->y) &&
+ ((yClipType == Accessibility_TEXT_CLIP_NONE) ||
+ (yClipType == Accessibility_TEXT_CLIP_MAX)));
+ y_max_ok = (chary2 <= clipy2) ||
+ ((cbounds->y <= clipy2) &&
+ ((yClipType == Accessibility_TEXT_CLIP_NONE) ||
+ (yClipType == Accessibility_TEXT_CLIP_MIN)));
+
+ if (x_min_ok && y_min_ok && x_max_ok && y_max_ok)
+ return TRUE;
+ else
+ return FALSE;
+}
-static void
-impl_getRowColAtOffset (PortableServer_Servant _servant,
- const CORBA_long offset, CORBA_long * row,
- CORBA_long * column, CORBA_Environment * ev)
+Accessibility_Text_RangeList *
+impl_getBoundedRanges(PortableServer_Servant servant,
+ const CORBA_long x,
+ const CORBA_long y,
+ const CORBA_long width,
+ const CORBA_long height,
+ const CORBA_short coordType,
+ const Accessibility_TEXT_CLIP_TYPE xClipType,
+ const Accessibility_TEXT_CLIP_TYPE yClipType,
+ CORBA_Environment * ev)
{
- Text *text = TEXT (bonobo_object_from_servant (_servant));
+ AtkText *text = get_text_from_servant (servant);
+ GSList *range_list = NULL;
+ SpiTextRect clip;
+ int startOffset = 0, endOffset = atk_text_get_character_count (text);
+ int curr_offset;
+ gint minLineStart, minLineEnd, maxLineStart, maxLineEnd;
+ long bounds_min_offset;
+ long bounds_max_offset;
+
+ clip.x = x;
+ clip.y = y;
+ clip.w = width;
+ clip.h = height;
+
+ /* for horizontal text layouts, at least, the following check helps. */
+ bounds_min_offset = atk_text_get_offset_at_point (text, x, y,
+ (AtkCoordType) coordType);
+ bounds_max_offset = atk_text_get_offset_at_point (text, x + width, y + height,
+ (AtkCoordType) coordType);
+ atk_text_get_text_at_offset (text, bounds_min_offset,
+ ATK_TEXT_BOUNDARY_LINE_START,
+ &minLineStart, &minLineEnd);
+ atk_text_get_text_at_offset (text, bounds_max_offset,
+ ATK_TEXT_BOUNDARY_LINE_START,
+ &maxLineStart, &maxLineEnd);
+ startOffset = MIN (minLineStart, maxLineStart);
+ endOffset = MAX (minLineEnd, maxLineEnd);
+
+ curr_offset = startOffset;
+
+ while (curr_offset < endOffset)
+ {
+ int offset = startOffset;
+ SpiTextRect cbounds;
+ while (curr_offset < endOffset)
+ {
+ atk_text_get_character_extents (text, curr_offset,
+ &cbounds.x, &cbounds.y,
+ &cbounds.w, &cbounds.h,
+ (AtkCoordType) coordType);
+ if (!_spi_bounds_contain (&clip, &cbounds, xClipType, yClipType))
+ break;
+ curr_offset++;
+ }
+ /* add the range to our list */
+ if (curr_offset > offset)
+ {
+ Accessibility_Text_Range *range = g_malloc (sizeof (Accessibility_Text_Range));
+ char *s;
+ range->startOffset = offset;
+ range->endOffset = curr_offset;
+ s = atk_text_get_text (text, offset, curr_offset);
+ range->content = CORBA_string_dup (s ? s : "");
+ range_list = g_slist_append (range_list, range);
+ offset = curr_offset;
+ }
+ offset++;
+ }
+ return _spi_text_range_seq_from_gslist (range_list); /* frees the GSList too */
}
+
+static void
+spi_text_class_init (SpiTextClass *klass)
+{
+ POA_Accessibility_Text__epv *epv = &klass->epv;
+
+ /* Initialize epv table */
+
+ epv->getText = impl_getText;
+ epv->getTextAfterOffset = impl_getTextAfterOffset;
+ epv->getCharacterAtOffset = impl_getCharacterAtOffset;
+ epv->getTextAtOffset = impl_getTextAtOffset;
+ epv->getTextBeforeOffset = impl_getTextBeforeOffset;
+ epv->_get_caretOffset = impl__get_caretOffset;
+ epv->getAttributes = impl_getAttributes;
+ epv->getDefaultAttributes = impl_getDefaultAttributes;
+ epv->getCharacterExtents = impl_getCharacterExtents;
+ epv->_get_characterCount = impl__get_characterCount;
+ epv->getOffsetAtPoint = impl_getOffsetAtPoint;
+ epv->getNSelections = impl_getNSelections;
+ epv->getSelection = impl_getSelection;
+ epv->addSelection = impl_addSelection;
+ epv->removeSelection = impl_removeSelection;
+ epv->setSelection = impl_setSelection;
+ epv->setCaretOffset = impl_setCaretOffset;
+ epv->getRangeExtents = impl_getRangeExtents;
+ epv->getBoundedRanges = impl_getBoundedRanges;
+}
+
+static void
+spi_text_init (SpiText *text)
+{
+}
+
+BONOBO_TYPE_FUNC_FULL (SpiText,
+ Accessibility_Text,
+ PARENT_TYPE,
+ spi_text)
+
+void
+spi_text_construct (SpiText *text, AtkObject *obj)
+{
+ spi_base_construct (SPI_BASE (text), G_OBJECT(obj));
+}
+
+
+SpiText *
+spi_text_interface_new (AtkObject *obj)
+{
+ SpiText *retval;
+
+ g_return_val_if_fail (ATK_IS_TEXT (obj), NULL);
+
+ retval = g_object_new (SPI_TEXT_TYPE, NULL);
+
+ spi_text_construct (retval, obj);
+
+ return retval;
+}
projects / platform / core / uifw / at-spi2-atk.git / blobdiff