From ca22044f7609f44e342166d2686e69f8fb261640 Mon Sep 17 00:00:00 2001 From: Carlos Garcia Campos Date: Mon, 05 Jul 2010 09:37:09 +0000 Subject: Remove gail-util from cut-n-paste and add gail dependency I thought gail-util was included in gtk+ sources but it was not installed by gtk. --- (limited to 'cut-n-paste/gail-util/gailtextutil.c') diff --git a/cut-n-paste/gail-util/gailtextutil.c b/cut-n-paste/gail-util/gailtextutil.c deleted file mode 100644 index 2d948b3..0000000 --- a/cut-n-paste/gail-util/gailtextutil.c +++ /dev/null @@ -1,786 +0,0 @@ -/* 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 Library 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 - * Library General Public License for more details. - * - * You should have received a copy of the GNU Library 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 "config.h" - -#include -#include "gailtextutil.h" - -/** - * SECTION:gailtextutil - * @Short_description: GailTextUtil is a utility class which can be used to - * implement some of the #AtkText functions for accessible objects - * which implement #AtkText. - * @Title: GailTextUtil - * - * GailTextUtil is a utility class which can be used to implement the - * #AtkText functions which get text for accessible objects which implement - * #AtkText. - * - * In GAIL it is used by the accsesible objects for #GnomeCanvasText, #GtkEntry, - * #GtkLabel, #GtkCellRendererText and #GtkTextView. - */ - -static void gail_text_util_class_init (GailTextUtilClass *klass); - -static void gail_text_util_init (GailTextUtil *textutil); -static void gail_text_util_finalize (GObject *object); - - -static void get_pango_text_offsets (PangoLayout *layout, - GtkTextBuffer *buffer, - GailOffsetType function, - AtkTextBoundary boundary_type, - gint offset, - gint *start_offset, - gint *end_offset, - GtkTextIter *start_iter, - GtkTextIter *end_iter); -static GObjectClass *parent_class = NULL; - -GType -gail_text_util_get_type(void) -{ - static GType type = 0; - - if (!type) - { - const GTypeInfo tinfo = - { - sizeof (GailTextUtilClass), - (GBaseInitFunc) NULL, /* base init */ - (GBaseFinalizeFunc) NULL, /* base finalize */ - (GClassInitFunc) gail_text_util_class_init, - (GClassFinalizeFunc) NULL, /* class finalize */ - NULL, /* class data */ - sizeof(GailTextUtil), - 0, /* nb preallocs */ - (GInstanceInitFunc) gail_text_util_init, - NULL, /* value table */ - }; - - type = g_type_register_static (G_TYPE_OBJECT, "EvGailTextUtil", &tinfo, 0); - } - return type; -} - -/** - * gail_text_util_new: - * - * This function creates a new GailTextUtil object. - * - * Returns: the GailTextUtil object - **/ -GailTextUtil* -gail_text_util_new (void) -{ - return GAIL_TEXT_UTIL (g_object_new (GAIL_TYPE_TEXT_UTIL, NULL)); -} - -static void -gail_text_util_init (GailTextUtil *textutil) -{ - textutil->buffer = NULL; -} - -static void -gail_text_util_class_init (GailTextUtilClass *klass) -{ - GObjectClass *gobject_class = G_OBJECT_CLASS (klass); - - parent_class = g_type_class_peek_parent (klass); - - gobject_class->finalize = gail_text_util_finalize; -} - -static void -gail_text_util_finalize (GObject *object) -{ - GailTextUtil *textutil = GAIL_TEXT_UTIL (object); - - if (textutil->buffer) - g_object_unref (textutil->buffer); - - G_OBJECT_CLASS (parent_class)->finalize (object); -} - -/** - * gail_text_util_text_setup: - * @textutil: The #GailTextUtil to be initialized. - * @text: A gchar* which points to the text to be stored in the GailTextUtil - * - * This function initializes the GailTextUtil with the specified character string, - **/ -void -gail_text_util_text_setup (GailTextUtil *textutil, - const gchar *text) -{ - g_return_if_fail (GAIL_IS_TEXT_UTIL (textutil)); - - if (textutil->buffer) - { - if (!text) - { - g_object_unref (textutil->buffer); - textutil->buffer = NULL; - return; - } - } - else - { - textutil->buffer = gtk_text_buffer_new (NULL); - } - - gtk_text_buffer_set_text (textutil->buffer, text, -1); -} - -/** - * gail_text_util_buffer_setup: - * @textutil: A #GailTextUtil to be initialized - * @buffer: The #GtkTextBuffer which identifies the text to be stored in the GailUtil. - * - * This function initializes the GailTextUtil with the specified GtkTextBuffer - **/ -void -gail_text_util_buffer_setup (GailTextUtil *textutil, - GtkTextBuffer *buffer) -{ - g_return_if_fail (GAIL_IS_TEXT_UTIL (textutil)); - - textutil->buffer = g_object_ref (buffer); -} - -/** - * gail_text_util_get_text: - * @textutil: A #GailTextUtil - * @layout: A gpointer which is a PangoLayout, a GtkTreeView of NULL - * @function: An enumeration specifying whether to return the text before, at, or - * after the offset. - * @boundary_type: The boundary type. - * @offset: The offset of the text in the GailTextUtil - * @start_offset: Address of location in which the start offset is returned - * @end_offset: Address of location in which the end offset is returned - * - * This function gets the requested substring from the text in the GtkTextUtil. - * The layout is used only for getting the text on a line. The value is NULL - * for a GtkTextView which is not wrapped, is a GtkTextView for a GtkTextView - * which is wrapped and is a PangoLayout otherwise. - * - * Returns: the substring requested - **/ -gchar* -gail_text_util_get_text (GailTextUtil *textutil, - gpointer layout, - GailOffsetType function, - AtkTextBoundary boundary_type, - gint offset, - gint *start_offset, - gint *end_offset) -{ - GtkTextIter start, end; - gint line_number; - GtkTextBuffer *buffer; - - g_return_val_if_fail (GAIL_IS_TEXT_UTIL (textutil), NULL); - - buffer = textutil->buffer; - if (buffer == NULL) - { - *start_offset = 0; - *end_offset = 0; - return NULL; - } - - if (!gtk_text_buffer_get_char_count (buffer)) - { - *start_offset = 0; - *end_offset = 0; - return g_strdup (""); - } - gtk_text_buffer_get_iter_at_offset (buffer, &start, offset); - - - end = start; - - switch (function) - { - case GAIL_BEFORE_OFFSET: - switch (boundary_type) - { - case ATK_TEXT_BOUNDARY_CHAR: - gtk_text_iter_backward_char(&start); - break; - case ATK_TEXT_BOUNDARY_WORD_START: - if (!gtk_text_iter_starts_word (&start)) - gtk_text_iter_backward_word_start (&start); - end = start; - gtk_text_iter_backward_word_start(&start); - break; - case ATK_TEXT_BOUNDARY_WORD_END: - if (gtk_text_iter_inside_word (&start) && - !gtk_text_iter_starts_word (&start)) - gtk_text_iter_backward_word_start (&start); - while (!gtk_text_iter_ends_word (&start)) - { - if (!gtk_text_iter_backward_char (&start)) - break; - } - end = start; - gtk_text_iter_backward_word_start(&start); - while (!gtk_text_iter_ends_word (&start)) - { - if (!gtk_text_iter_backward_char (&start)) - break; - } - break; - case ATK_TEXT_BOUNDARY_SENTENCE_START: - if (!gtk_text_iter_starts_sentence (&start)) - gtk_text_iter_backward_sentence_start (&start); - end = start; - gtk_text_iter_backward_sentence_start (&start); - break; - case ATK_TEXT_BOUNDARY_SENTENCE_END: - if (gtk_text_iter_inside_sentence (&start) && - !gtk_text_iter_starts_sentence (&start)) - gtk_text_iter_backward_sentence_start (&start); - while (!gtk_text_iter_ends_sentence (&start)) - { - if (!gtk_text_iter_backward_char (&start)) - break; - } - end = start; - gtk_text_iter_backward_sentence_start (&start); - while (!gtk_text_iter_ends_sentence (&start)) - { - if (!gtk_text_iter_backward_char (&start)) - break; - } - break; - case ATK_TEXT_BOUNDARY_LINE_START: - if (layout == NULL) - { - line_number = gtk_text_iter_get_line (&start); - if (line_number == 0) - { - gtk_text_buffer_get_iter_at_offset (buffer, - &start, 0); - } - else - { - gtk_text_iter_backward_line (&start); - gtk_text_iter_forward_line (&start); - } - end = start; - gtk_text_iter_backward_line (&start); - } - else if GTK_IS_TEXT_VIEW (layout) - { - GtkTextView *view = GTK_TEXT_VIEW (layout); - - gtk_text_view_backward_display_line_start (view, &start); - end = start; - gtk_text_view_backward_display_line (view, &start); - } - else if (PANGO_IS_LAYOUT (layout)) - get_pango_text_offsets (PANGO_LAYOUT (layout), - buffer, - function, - boundary_type, - offset, - start_offset, - end_offset, - &start, - &end); - break; - case ATK_TEXT_BOUNDARY_LINE_END: - if (layout == NULL) - { - line_number = gtk_text_iter_get_line (&start); - if (line_number == 0) - { - gtk_text_buffer_get_iter_at_offset (buffer, - &start, 0); - end = start; - } - else - { - gtk_text_iter_backward_line (&start); - end = start; - while (!gtk_text_iter_ends_line (&start)) - { - if (!gtk_text_iter_backward_char (&start)) - break; - } - gtk_text_iter_forward_to_line_end (&end); - } - } - else if GTK_IS_TEXT_VIEW (layout) - { - GtkTextView *view = GTK_TEXT_VIEW (layout); - - gtk_text_view_backward_display_line_start (view, &start); - if (!gtk_text_iter_is_start (&start)) - { - gtk_text_view_backward_display_line (view, &start); - end = start; - if (!gtk_text_iter_is_start (&start)) - { - gtk_text_view_backward_display_line (view, &start); - gtk_text_view_forward_display_line_end (view, &start); - } - gtk_text_view_forward_display_line_end (view, &end); - } - else - { - end = start; - } - } - else if (PANGO_IS_LAYOUT (layout)) - get_pango_text_offsets (PANGO_LAYOUT (layout), - buffer, - function, - boundary_type, - offset, - start_offset, - end_offset, - &start, - &end); - break; - } - break; - - case GAIL_AT_OFFSET: - switch (boundary_type) - { - case ATK_TEXT_BOUNDARY_CHAR: - gtk_text_iter_forward_char (&end); - break; - case ATK_TEXT_BOUNDARY_WORD_START: - if (!gtk_text_iter_starts_word (&start)) - gtk_text_iter_backward_word_start (&start); - if (gtk_text_iter_inside_word (&end)) - gtk_text_iter_forward_word_end (&end); - while (!gtk_text_iter_starts_word (&end)) - { - if (!gtk_text_iter_forward_char (&end)) - break; - } - break; - case ATK_TEXT_BOUNDARY_WORD_END: - if (gtk_text_iter_inside_word (&start) && - !gtk_text_iter_starts_word (&start)) - gtk_text_iter_backward_word_start (&start); - while (!gtk_text_iter_ends_word (&start)) - { - if (!gtk_text_iter_backward_char (&start)) - break; - } - gtk_text_iter_forward_word_end (&end); - break; - case ATK_TEXT_BOUNDARY_SENTENCE_START: - if (!gtk_text_iter_starts_sentence (&start)) - gtk_text_iter_backward_sentence_start (&start); - if (gtk_text_iter_inside_sentence (&end)) - gtk_text_iter_forward_sentence_end (&end); - while (!gtk_text_iter_starts_sentence (&end)) - { - if (!gtk_text_iter_forward_char (&end)) - break; - } - break; - case ATK_TEXT_BOUNDARY_SENTENCE_END: - if (gtk_text_iter_inside_sentence (&start) && - !gtk_text_iter_starts_sentence (&start)) - gtk_text_iter_backward_sentence_start (&start); - while (!gtk_text_iter_ends_sentence (&start)) - { - if (!gtk_text_iter_backward_char (&start)) - break; - } - gtk_text_iter_forward_sentence_end (&end); - break; - case ATK_TEXT_BOUNDARY_LINE_START: - if (layout == NULL) - { - line_number = gtk_text_iter_get_line (&start); - if (line_number == 0) - { - gtk_text_buffer_get_iter_at_offset (buffer, - &start, 0); - } - else - { - gtk_text_iter_backward_line (&start); - gtk_text_iter_forward_line (&start); - } - gtk_text_iter_forward_line (&end); - } - else if GTK_IS_TEXT_VIEW (layout) - { - GtkTextView *view = GTK_TEXT_VIEW (layout); - - gtk_text_view_backward_display_line_start (view, &start); - /* - * The call to gtk_text_iter_forward_to_end() is needed - * because of bug 81960 - */ - if (!gtk_text_view_forward_display_line (view, &end)) - gtk_text_iter_forward_to_end (&end); - } - else if PANGO_IS_LAYOUT (layout) - get_pango_text_offsets (PANGO_LAYOUT (layout), - buffer, - function, - boundary_type, - offset, - start_offset, - end_offset, - &start, - &end); - - break; - case ATK_TEXT_BOUNDARY_LINE_END: - if (layout == NULL) - { - line_number = gtk_text_iter_get_line (&start); - if (line_number == 0) - { - gtk_text_buffer_get_iter_at_offset (buffer, - &start, 0); - } - else - { - gtk_text_iter_backward_line (&start); - gtk_text_iter_forward_line (&start); - } - while (!gtk_text_iter_ends_line (&start)) - { - if (!gtk_text_iter_backward_char (&start)) - break; - } - gtk_text_iter_forward_to_line_end (&end); - } - else if GTK_IS_TEXT_VIEW (layout) - { - GtkTextView *view = GTK_TEXT_VIEW (layout); - - gtk_text_view_backward_display_line_start (view, &start); - if (!gtk_text_iter_is_start (&start)) - { - gtk_text_view_backward_display_line (view, &start); - gtk_text_view_forward_display_line_end (view, &start); - } - gtk_text_view_forward_display_line_end (view, &end); - } - else if PANGO_IS_LAYOUT (layout) - get_pango_text_offsets (PANGO_LAYOUT (layout), - buffer, - function, - boundary_type, - offset, - start_offset, - end_offset, - &start, - &end); - break; - } - break; - - case GAIL_AFTER_OFFSET: - switch (boundary_type) - { - case ATK_TEXT_BOUNDARY_CHAR: - gtk_text_iter_forward_char(&start); - gtk_text_iter_forward_chars(&end, 2); - break; - case ATK_TEXT_BOUNDARY_WORD_START: - if (gtk_text_iter_inside_word (&end)) - gtk_text_iter_forward_word_end (&end); - while (!gtk_text_iter_starts_word (&end)) - { - if (!gtk_text_iter_forward_char (&end)) - break; - } - start = end; - if (!gtk_text_iter_is_end (&end)) - { - gtk_text_iter_forward_word_end (&end); - while (!gtk_text_iter_starts_word (&end)) - { - if (!gtk_text_iter_forward_char (&end)) - break; - } - } - break; - case ATK_TEXT_BOUNDARY_WORD_END: - gtk_text_iter_forward_word_end (&end); - start = end; - if (!gtk_text_iter_is_end (&end)) - gtk_text_iter_forward_word_end (&end); - break; - case ATK_TEXT_BOUNDARY_SENTENCE_START: - if (gtk_text_iter_inside_sentence (&end)) - gtk_text_iter_forward_sentence_end (&end); - while (!gtk_text_iter_starts_sentence (&end)) - { - if (!gtk_text_iter_forward_char (&end)) - break; - } - start = end; - if (!gtk_text_iter_is_end (&end)) - { - gtk_text_iter_forward_sentence_end (&end); - while (!gtk_text_iter_starts_sentence (&end)) - { - if (!gtk_text_iter_forward_char (&end)) - break; - } - } - break; - case ATK_TEXT_BOUNDARY_SENTENCE_END: - gtk_text_iter_forward_sentence_end (&end); - start = end; - if (!gtk_text_iter_is_end (&end)) - gtk_text_iter_forward_sentence_end (&end); - break; - case ATK_TEXT_BOUNDARY_LINE_START: - if (layout == NULL) - { - gtk_text_iter_forward_line (&end); - start = end; - gtk_text_iter_forward_line (&end); - } - else if GTK_IS_TEXT_VIEW (layout) - { - GtkTextView *view = GTK_TEXT_VIEW (layout); - - gtk_text_view_forward_display_line (view, &end); - start = end; - gtk_text_view_forward_display_line (view, &end); - } - else if (PANGO_IS_LAYOUT (layout)) - get_pango_text_offsets (PANGO_LAYOUT (layout), - buffer, - function, - boundary_type, - offset, - start_offset, - end_offset, - &start, - &end); - break; - case ATK_TEXT_BOUNDARY_LINE_END: - if (layout == NULL) - { - gtk_text_iter_forward_line (&start); - end = start; - if (!gtk_text_iter_is_end (&start)) - { - while (!gtk_text_iter_ends_line (&start)) - { - if (!gtk_text_iter_backward_char (&start)) - break; - } - gtk_text_iter_forward_to_line_end (&end); - } - } - else if GTK_IS_TEXT_VIEW (layout) - { - GtkTextView *view = GTK_TEXT_VIEW (layout); - - gtk_text_view_forward_display_line_end (view, &end); - start = end; - gtk_text_view_forward_display_line (view, &end); - gtk_text_view_forward_display_line_end (view, &end); - } - else if (PANGO_IS_LAYOUT (layout)) - get_pango_text_offsets (PANGO_LAYOUT (layout), - buffer, - function, - boundary_type, - offset, - start_offset, - end_offset, - &start, - &end); - break; - } - break; - } - *start_offset = gtk_text_iter_get_offset (&start); - *end_offset = gtk_text_iter_get_offset (&end); - - return gtk_text_buffer_get_text (buffer, &start, &end, FALSE); -} - -/** - * gail_text_util_get_substring: - * @textutil: A #GailTextUtil - * @start_pos: The start position of the substring - * @end_pos: The end position of the substring. - * - * Gets the substring indicated by @start_pos and @end_pos - * - * Returns: the substring indicated by @start_pos and @end_pos - **/ -gchar* -gail_text_util_get_substring (GailTextUtil *textutil, - gint start_pos, - gint end_pos) -{ - GtkTextIter start, end; - GtkTextBuffer *buffer; - - g_return_val_if_fail(GAIL_IS_TEXT_UTIL (textutil), NULL); - - buffer = textutil->buffer; - if (buffer == NULL) - return NULL; - - gtk_text_buffer_get_iter_at_offset (buffer, &start, start_pos); - if (end_pos < 0) - gtk_text_buffer_get_end_iter (buffer, &end); - else - gtk_text_buffer_get_iter_at_offset (buffer, &end, end_pos); - - return gtk_text_buffer_get_text (buffer, &start, &end, FALSE); -} - -static void -get_pango_text_offsets (PangoLayout *layout, - GtkTextBuffer *buffer, - GailOffsetType function, - AtkTextBoundary boundary_type, - gint offset, - gint *start_offset, - gint *end_offset, - GtkTextIter *start_iter, - GtkTextIter *end_iter) -{ - PangoLayoutIter *iter; - PangoLayoutLine *line, *prev_line = NULL, *prev_prev_line = NULL; - gint index, start_index, end_index; - const gchar *text; - gboolean found = FALSE; - - text = pango_layout_get_text (layout); - index = g_utf8_offset_to_pointer (text, offset) - text; - iter = pango_layout_get_iter (layout); - do - { - line = pango_layout_iter_get_line (iter); - start_index = line->start_index; - end_index = start_index + line->length; - - if (index >= start_index && index <= end_index) - { - /* - * Found line for offset - */ - switch (function) - { - case GAIL_BEFORE_OFFSET: - /* - * We want the previous line - */ - if (prev_line) - { - switch (boundary_type) - { - case ATK_TEXT_BOUNDARY_LINE_START: - end_index = start_index; - start_index = prev_line->start_index; - break; - case ATK_TEXT_BOUNDARY_LINE_END: - if (prev_prev_line) - start_index = prev_prev_line->start_index + - prev_prev_line->length; - end_index = prev_line->start_index + prev_line->length; - break; - default: - g_assert_not_reached(); - } - } - else - start_index = end_index = 0; - break; - case GAIL_AT_OFFSET: - switch (boundary_type) - { - case ATK_TEXT_BOUNDARY_LINE_START: - if (pango_layout_iter_next_line (iter)) - end_index = pango_layout_iter_get_line (iter)->start_index; - break; - case ATK_TEXT_BOUNDARY_LINE_END: - if (prev_line) - start_index = prev_line->start_index + - prev_line->length; - break; - default: - g_assert_not_reached(); - } - break; - case GAIL_AFTER_OFFSET: - /* - * We want the next line - */ - if (pango_layout_iter_next_line (iter)) - { - line = pango_layout_iter_get_line (iter); - switch (boundary_type) - { - case ATK_TEXT_BOUNDARY_LINE_START: - start_index = line->start_index; - if (pango_layout_iter_next_line (iter)) - end_index = pango_layout_iter_get_line (iter)->start_index; - else - end_index = start_index + line->length; - break; - case ATK_TEXT_BOUNDARY_LINE_END: - start_index = end_index; - end_index = line->start_index + line->length; - break; - default: - g_assert_not_reached(); - } - } - else - start_index = end_index; - break; - } - found = TRUE; - break; - } - prev_prev_line = prev_line; - prev_line = line; - } - while (pango_layout_iter_next_line (iter)); - - if (!found) - { - start_index = prev_line->start_index + prev_line->length; - end_index = start_index; - } - pango_layout_iter_free (iter); - *start_offset = g_utf8_pointer_to_offset (text, text + start_index); - *end_offset = g_utf8_pointer_to_offset (text, text + end_index); - - gtk_text_buffer_get_iter_at_offset (buffer, start_iter, *start_offset); - gtk_text_buffer_get_iter_at_offset (buffer, end_iter, *end_offset); -} -- cgit v0.9.1