[evolution/gnome-3-16] EHTMLEditorSelection - Clean the code used for wrapping

[Tomas Popela <tpopela src gnome org>]

commit 7a437b646cda293cacc8f5bce0d83faaaac1c15b
Author: Tomas Popela <tpopela redhat com>
Date:   Mon May 11 14:55:37 2015 +0200

    EHTMLEditorSelection - Clean the code used for wrapping

 e-util/e-html-editor-selection.c |  108 +++++---------------------------------
 1 files changed, 13 insertions(+), 95 deletions(-)
---
diff --git a/e-util/e-html-editor-selection.c b/e-util/e-html-editor-selection.c
index 6bd49be..1e975ae 100644
--- a/e-util/e-html-editor-selection.c
+++ b/e-util/e-html-editor-selection.c
@@ -5960,87 +5960,44 @@ e_html_editor_selection_move_caret_into_element (WebKitDOMDocument *document,
 
 static gint
 find_where_to_break_line (WebKitDOMNode *node,
-                          gint max_len,
-                         gint word_wrap_length)
+                          gint max_length)
 {
        gchar *str, *text_start;
        gunichar uc;
        gint pos = 1;
        gint last_space = 0;
-       gint length;
        gint ret_val = 0;
-       gchar* position = NULL;
 
        text_start =  webkit_dom_character_data_get_data (WEBKIT_DOM_CHARACTER_DATA (node));
-       length = g_utf8_strlen (text_start, -1);
 
        str = text_start;
        do {
                uc = g_utf8_get_char (str);
                if (!uc) {
-                       ret_val = pos <= max_len ? pos : last_space > 0 ? last_space - 1 : 0;
+                       ret_val = pos <= max_length ? pos : last_space > 0 ? last_space - 1 : 0;
                        goto out;
                }
 
                if (g_unichar_isspace (uc) || str[0] == '-')
                        last_space = pos;
 
-               /* If last_space is zero then the word is longer than
-                * word_wrap_length characters, so continue until we find
-                * a space */
-               if ((pos > max_len) && (last_space > 0)) {
-                       if (last_space > word_wrap_length) {
-                               ret_val = last_space > 0 ? last_space - 1 : 0;
-                               goto out;
-                       }
-
-                       if (last_space > max_len) {
-                               if (g_unichar_isspace (g_utf8_get_char (text_start)))
-                                       ret_val = 1;
-
-                               goto out;
-                       }
-
-                       if (last_space == max_len - 1) {
-                               uc = g_utf8_get_char (str);
-                               if (g_unichar_isspace (uc) || str[0] == '-')
-                                       last_space++;
-                       }
-
-                       ret_val = last_space > 0 ? last_space - 1 : 0;
-                       goto out;
-               }
+               /* If last_space is zero then the word is longer than max_length
+                * characters, so continue until we find a space */
+               if ((pos > max_length))
+                       break;
 
                pos += 1;
                str = g_utf8_next_char (str);
        } while (*str);
 
-       if (max_len <= length)
-               position = g_utf8_offset_to_pointer (text_start, max_len);
-
-       if (position && g_unichar_isspace (g_utf8_get_char (position))) {
-               ret_val = max_len;
-       } else {
-               if (last_space == 0) {
-                       /* If word is longer than word_wrap_length, we have to
-                        * split at maximal given length. */
-                       ret_val = max_len;
-               } else if (last_space < max_len) {
-                       ret_val = last_space > 0 ? last_space - 1 : 0;
-               } else {
-                       if (length > word_wrap_length)
-                               ret_val = last_space > 0 ? last_space - 1 : 0;
-                       else
-                               ret_val = 0;
-               }
-       }
-
+       if (last_space != 0)
+               ret_val = last_space - 1;
  out:
        g_free (text_start);
 
-       /* No space found, split at max_len. */
+       /* No space found, split at max_length. */
        if (ret_val == 0)
-               ret_val = max_len;
+               ret_val = max_length;
 
        return ret_val;
 }
@@ -6356,13 +6313,12 @@ wrap_lines (EHTMLEditorSelection *selection,
                                max_length = word_wrap_length;
                        /* Find where we can line-break the node so that it
                         * effectively fills the rest of current row */
-                       offset = find_where_to_break_line (
-                               node, max_length, word_wrap_length);
+                       offset = find_where_to_break_line (node, max_length);
 
                        element = webkit_dom_document_create_element (document, "BR", NULL);
                        element_add_class (element, "-x-evo-wrap-br");
 
-                       if (offset > 0 && offset <= word_wrap_length) {
+                       if (offset > 0) {
                                WebKitDOMNode *nd;
 
                                if (offset != length_left)
@@ -6392,51 +6348,13 @@ wrap_lines (EHTMLEditorSelection *selection,
 
                                        node = webkit_dom_node_get_next_sibling (
                                                WEBKIT_DOM_NODE (element));
+                                       offset = 0;
                                } else {
                                        webkit_dom_node_append_child (
                                                webkit_dom_node_get_parent_node (node),
                                                WEBKIT_DOM_NODE (element),
                                                NULL);
                                }
-                       } else if (offset > word_wrap_length) {
-                               if (offset != length_left)
-                                       webkit_dom_text_split_text (
-                                               WEBKIT_DOM_TEXT (node), offset + 1, NULL);
-
-                               if (webkit_dom_node_get_next_sibling (node)) {
-                                       gchar *nd_content;
-                                       WebKitDOMNode *nd = webkit_dom_node_get_next_sibling (node);
-
-                                       nd = webkit_dom_node_get_next_sibling (node);
-                                       nd_content = webkit_dom_node_get_text_content (nd);
-                                       if (nd_content && *nd_content) {
-                                               if (g_str_has_prefix (nd_content, " "))
-                                                       mark_and_remove_leading_space (document, nd);
-                                               g_free (nd_content);
-                                               nd_content = webkit_dom_node_get_text_content (nd);
-                                               if (g_strcmp0 (nd_content, UNICODE_NBSP) == 0)
-                                                       remove_node (nd);
-                                               g_free (nd_content);
-                                       }
-
-                                       webkit_dom_node_insert_before (
-                                               webkit_dom_node_get_parent_node (node),
-                                               WEBKIT_DOM_NODE (element),
-                                               nd,
-                                               NULL);
-
-                                       line_length = 0;
-                                       break;
-                               } else {
-                                       node = WEBKIT_DOM_NODE (webkit_dom_text_split_text (
-                                               WEBKIT_DOM_TEXT (node), word_wrap_length - line_length, 
NULL));
-
-                                       webkit_dom_node_insert_before (
-                                               webkit_dom_node_get_parent_node (node),
-                                               WEBKIT_DOM_NODE (element),
-                                               node,
-                                               NULL);
-                               }
                        } else {
                                webkit_dom_node_insert_before (
                                        webkit_dom_node_get_parent_node (node),