/* GAIL - The GNOME Accessibility Implementation Library * Copyright 2001 Sun Microsystems Inc. * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the * Free Software Foundation, Inc., 59 Temple Place - Suite 330, * Boston, MA 02111-1307, USA. */ #include #include "gailhtmlboxtext.h" static void gail_html_box_text_class_init (GailHtmlBoxTextClass *klass); static void gail_html_box_text_text_interface_init (AtkTextIface *iface); static gchar* gail_html_box_text_get_text (AtkText *text, gint start_offset, gint end_offset); static gchar* gail_html_box_text_get_text_after_offset (AtkText *text, gint offset, AtkTextBoundary boundary_type, gint *start_offset, gint *end_offset); static gchar* gail_html_box_text_get_text_at_offset (AtkText *text, gint offset, AtkTextBoundary boundary_type, gint *start_offset, gint *end_offset); static gchar* gail_html_box_text_get_text_before_offset (AtkText *text, gint offset, AtkTextBoundary boundary_type, gint *start_offset, gint *end_offset); static gunichar gail_html_box_text_get_character_at_offset (AtkText *text, gint offset); static gint gail_html_box_text_get_character_count (AtkText *text); static gint gail_html_box_text_get_caret_offset (AtkText *text); static gboolean gail_html_box_text_set_caret_offset (AtkText *text, gint offset); static gint gail_html_box_text_get_offset_at_point (AtkText *text, gint x, gint y, AtkCoordType coords); static void gail_html_box_text_get_character_extents (AtkText *text, gint offset, gint *x, gint *y, gint *width, gint *height, AtkCoordType coords); static AtkAttributeSet* gail_html_box_text_get_run_attributes (AtkText *text, gint offset, gint *start_offset, gint *end_offset); static AtkAttributeSet* gail_html_box_text_get_default_attributes (AtkText *text); static gint gail_html_box_text_get_n_selections (AtkText *text); static gchar* gail_html_box_text_get_selection (AtkText *text, gint selection_num, gint *start_pos, gint *end_pos); static gboolean gail_html_box_text_add_selection (AtkText *text, gint start_pos, gint end_pos); static gboolean gail_html_box_text_remove_selection (AtkText *text, gint selection_num); static gboolean gail_html_box_text_set_selection (AtkText *text, gint selection_num, gint start_pos, gint end_pos); static AtkAttributeSet* add_to_attr_set (AtkAttributeSet *attrib_set, GtkTextAttributes *attrs, AtkTextAttribute attr); static gchar* get_text_near_offset (AtkText *text, GailOffsetType function, AtkTextBoundary boundary_type, gint offset, gint *start_offset, gint *end_offset); G_DEFINE_TYPE_WITH_CODE (GailHtmlBoxText, gail_html_box_text, GAIL_TYPE_HTML_BOX, G_IMPLEMENT_INTERFACE (ATK_TYPE_TEXT, gail_html_box_text_text_interface_init)) AtkObject* gail_html_box_text_new (GObject *obj) { gpointer object; AtkObject *atk_object; GailHtmlBoxText *gail_text; g_return_val_if_fail (HTML_IS_BOX_TEXT (obj), NULL); object = g_object_new (GAIL_TYPE_HTML_BOX_TEXT, NULL); atk_object = ATK_OBJECT (object); gail_text = GAIL_HTML_BOX_TEXT (object); atk_object_initialize (atk_object, obj); gail_text->texthelper = gail_text_helper_new (); #if 0 gail_text_helper_text_setup (gail_text->texthelper, HTML_BOX_TEXT (obj)->master->text); #endif atk_object->role = ATK_ROLE_TEXT; return atk_object; } static void gail_html_box_text_class_init (GailHtmlBoxTextClass *klass) { } static void gail_html_box_text_text_interface_init (AtkTextIface *iface) { iface->get_text = gail_html_box_text_get_text; iface->get_text_after_offset = gail_html_box_text_get_text_after_offset; iface->get_text_at_offset = gail_html_box_text_get_text_at_offset; iface->get_text_before_offset = gail_html_box_text_get_text_before_offset; iface->get_character_at_offset = gail_html_box_text_get_character_at_offset; iface->get_character_count = gail_html_box_text_get_character_count; iface->get_caret_offset = gail_html_box_text_get_caret_offset; iface->set_caret_offset = gail_html_box_text_set_caret_offset; iface->get_offset_at_point = gail_html_box_text_get_offset_at_point; iface->get_character_extents = gail_html_box_text_get_character_extents; iface->get_n_selections = gail_html_box_text_get_n_selections; iface->get_selection = gail_html_box_text_get_selection; iface->add_selection = gail_html_box_text_add_selection; iface->remove_selection = gail_html_box_text_remove_selection; iface->set_selection = gail_html_box_text_set_selection; iface->get_run_attributes = gail_html_box_text_get_run_attributes; iface->get_default_attributes = gail_html_box_text_get_default_attributes; } static gchar* gail_html_box_text_get_text (AtkText *text, gint start_offset, gint end_offset) { GailHtmlBoxText *gail_text; GtkTextBuffer *buffer; GtkTextIter start, end; g_return_val_if_fail (GAIL_IS_HTML_BOX_TEXT (text), NULL); gail_text = GAIL_HTML_BOX_TEXT (text); g_return_val_if_fail (gail_text->texthelper, NULL); buffer = gail_text->texthelper->buffer; gtk_text_buffer_get_iter_at_offset (buffer, &start, start_offset); gtk_text_buffer_get_iter_at_offset (buffer, &end, end_offset); return gtk_text_buffer_get_text (buffer, &start, &end, FALSE); } static gchar* gail_html_box_text_get_text_after_offset (AtkText *text, gint offset, AtkTextBoundary boundary_type, gint *start_offset, gint *end_offset) { return get_text_near_offset (text, GAIL_AFTER_OFFSET, boundary_type, offset, start_offset, end_offset); } static gchar* gail_html_box_text_get_text_at_offset (AtkText *text, gint offset, AtkTextBoundary boundary_type, gint *start_offset, gint *end_offset) { return get_text_near_offset (text, GAIL_AT_OFFSET, boundary_type, offset, start_offset, end_offset); } static gchar* gail_html_box_text_get_text_before_offset (AtkText *text, gint offset, AtkTextBoundary boundary_type, gint *start_offset, gint *end_offset) { return get_text_near_offset (text, GAIL_BEFORE_OFFSET, boundary_type, offset, start_offset, end_offset); } static gunichar gail_html_box_text_get_character_at_offset (AtkText *text, gint offset) { GailHtmlBoxText *gail_item; GtkTextIter start, end; GtkTextBuffer *buffer; gchar *string; gchar *index; g_return_val_if_fail (GAIL_IS_HTML_BOX_TEXT (text), 0); gail_item = GAIL_HTML_BOX_TEXT (text); buffer = gail_item->texthelper->buffer; gtk_text_buffer_get_start_iter (buffer, &start); gtk_text_buffer_get_end_iter (buffer, &end); string = gtk_text_buffer_get_text (buffer, &start, &end, FALSE); index = g_utf8_offset_to_pointer (string, offset); g_free (string); return g_utf8_get_char (index); } static gint gail_html_box_text_get_character_count (AtkText *text) { GtkTextBuffer *buffer; GailHtmlBoxText *gail_text; g_return_val_if_fail (GAIL_IS_HTML_BOX_TEXT (text), 0); gail_text = GAIL_HTML_BOX_TEXT (text); g_return_val_if_fail (gail_text->texthelper, 0); buffer = gail_text->texthelper->buffer; return gtk_text_buffer_get_char_count (buffer); } static gint gail_html_box_text_get_caret_offset (AtkText *text) { GailHtmlBoxText *gail_text; GtkTextBuffer *buffer; GtkTextMark *cursor_mark; GtkTextIter cursor_itr; g_return_val_if_fail (GAIL_IS_HTML_BOX_TEXT (text), 0); gail_text = GAIL_HTML_BOX_TEXT (text); g_return_val_if_fail (gail_text->texthelper, 0); buffer = gail_text->texthelper->buffer; cursor_mark = gtk_text_buffer_get_insert (buffer); gtk_text_buffer_get_iter_at_mark (buffer, &cursor_itr, cursor_mark); return gtk_text_iter_get_offset (&cursor_itr); } static gboolean gail_html_box_text_set_caret_offset (AtkText *text, gint offset) { GailHtmlBoxText *gail_text; GtkTextBuffer *buffer; GtkTextIter pos_itr; g_return_val_if_fail (GAIL_IS_HTML_BOX_TEXT (text), FALSE); gail_text = GAIL_HTML_BOX_TEXT (text); g_return_val_if_fail (gail_text->texthelper, FALSE); buffer = gail_text->texthelper->buffer; gtk_text_buffer_get_iter_at_offset (buffer, &pos_itr, offset); gtk_text_buffer_move_mark_by_name (buffer, "insert", &pos_itr); return TRUE; } static gint gail_html_box_text_get_offset_at_point (AtkText *text, gint x, gint y, AtkCoordType coords) { return -1; } static void gail_html_box_text_get_character_extents (AtkText *text, gint offset, gint *x, gint *y, gint *width, gint *height, AtkCoordType coords) { return; } static AtkAttributeSet* gail_html_box_text_get_run_attributes (AtkText *text, gint offset, gint *start_offset, gint *end_offset) { return NULL; } static AtkAttributeSet* gail_html_box_text_get_default_attributes (AtkText *text) { return NULL; } static gint gail_html_box_text_get_n_selections (AtkText *text) { return 0; } static gchar* gail_html_box_text_get_selection (AtkText *text, gint selection_num, gint *start_pos, gint *end_pos) { return NULL; } static gboolean gail_html_box_text_add_selection (AtkText *text, gint start_pos, gint end_pos) { return FALSE; } static gboolean gail_html_box_text_remove_selection (AtkText *text, gint selection_num) { return FALSE; } static gboolean gail_html_box_text_set_selection (AtkText *text, gint selection_num, gint start_pos, gint end_pos) { return FALSE; } static AtkAttributeSet* add_to_attr_set (AtkAttributeSet *attrib_set, GtkTextAttributes *attrs, AtkTextAttribute attr) { gchar *value; switch (attr) { case ATK_TEXT_ATTR_LEFT_MARGIN: value = g_strdup_printf ("%i", attrs->left_margin); break; case ATK_TEXT_ATTR_RIGHT_MARGIN: value = g_strdup_printf ("%i", attrs->right_margin); break; case ATK_TEXT_ATTR_INDENT: value = g_strdup_printf ("%i", attrs->indent); break; case ATK_TEXT_ATTR_INVISIBLE: value = g_strdup (atk_text_attribute_get_value (attr, attrs->invisible)); break; case ATK_TEXT_ATTR_EDITABLE: value = g_strdup (atk_text_attribute_get_value (attr, attrs->editable)); break; case ATK_TEXT_ATTR_PIXELS_ABOVE_LINES: value = g_strdup_printf ("%i", attrs->pixels_above_lines); break; case ATK_TEXT_ATTR_PIXELS_BELOW_LINES: value = g_strdup_printf ("%i", attrs->pixels_below_lines); break; case ATK_TEXT_ATTR_PIXELS_INSIDE_WRAP: value = g_strdup_printf ("%i", attrs->pixels_inside_wrap); break; case ATK_TEXT_ATTR_BG_FULL_HEIGHT: value = g_strdup (atk_text_attribute_get_value (attr, attrs->bg_full_height)); break; case ATK_TEXT_ATTR_RISE: value = g_strdup_printf ("%i", attrs->appearance.rise); break; case ATK_TEXT_ATTR_UNDERLINE: value = g_strdup (atk_text_attribute_get_value (attr, attrs->appearance.underline)); break; case ATK_TEXT_ATTR_STRIKETHROUGH: value = g_strdup (atk_text_attribute_get_value (attr, attrs->appearance.strikethrough)); break; case ATK_TEXT_ATTR_SIZE: value = g_strdup_printf ("%i", pango_font_description_get_size (attrs->font)); break; case ATK_TEXT_ATTR_SCALE: value = g_strdup_printf ("%g", attrs->font_scale); break; case ATK_TEXT_ATTR_WEIGHT: value = g_strdup_printf ("%d", pango_font_description_get_weight (attrs->font)); break; case ATK_TEXT_ATTR_LANGUAGE: value = g_strdup ((gchar *)(attrs->language)); break; case ATK_TEXT_ATTR_FAMILY_NAME: value = g_strdup (pango_font_description_get_family (attrs->font)); break; case ATK_TEXT_ATTR_BG_COLOR: value = g_strdup_printf ("%u,%u,%u", attrs->appearance.bg_color.red, attrs->appearance.bg_color.green, attrs->appearance.bg_color.blue); break; case ATK_TEXT_ATTR_FG_COLOR: value = g_strdup_printf ("%u,%u,%u", attrs->appearance.fg_color.red, attrs->appearance.fg_color.green, attrs->appearance.fg_color.blue); break; case ATK_TEXT_ATTR_BG_STIPPLE: value = g_strdup (atk_text_attribute_get_value (attr, attrs->appearance.bg_stipple ? 1 : 0)); break; case ATK_TEXT_ATTR_FG_STIPPLE: value = g_strdup (atk_text_attribute_get_value (attr, attrs->appearance.fg_stipple ? 1 : 0)); break; case ATK_TEXT_ATTR_WRAP_MODE: value = g_strdup (atk_text_attribute_get_value (attr, attrs->wrap_mode)); break; case ATK_TEXT_ATTR_DIRECTION: value = g_strdup (atk_text_attribute_get_value (attr, attrs->direction)); break; case ATK_TEXT_ATTR_JUSTIFICATION: value = g_strdup (atk_text_attribute_get_value (attr, attrs->justification)); break; case ATK_TEXT_ATTR_STRETCH: value = g_strdup (atk_text_attribute_get_value (attr, pango_font_description_get_stretch (attrs->font))); break; case ATK_TEXT_ATTR_VARIANT: value = g_strdup (atk_text_attribute_get_value (attr, pango_font_description_get_variant (attrs->font))); break; case ATK_TEXT_ATTR_STYLE: value = g_strdup (atk_text_attribute_get_value (attr, pango_font_description_get_style (attrs->font))); break; default: value = NULL; break; } return gail_text_helper_add_attribute (attrib_set, attr, value); } static gchar* get_text_near_offset (AtkText *text, GailOffsetType function, AtkTextBoundary boundary_type, gint offset, gint *start_offset, gint *end_offset) { return gail_text_helper_get_text (GAIL_HTML_BOX_TEXT (text)->texthelper, NULL, function, boundary_type, offset, start_offset, end_offset); }