[empathy] ui-utils: remove unused public functions

[Guillaume Desmottes <gdesmott src gnome org>]

commit 2f6643d36031df340dc5b154be579d13bc0de58e
Author: Guillaume Desmottes <guillaume desmottes collabora co uk>
Date:   Wed Jul 4 12:51:00 2012 +0200

    ui-utils: remove unused public functions

 libempathy-gtk/empathy-ui-utils.c |  687 +------------------------------------
 libempathy-gtk/empathy-ui-utils.h |   19 -
 2 files changed, 7 insertions(+), 699 deletions(-)
---
diff --git a/libempathy-gtk/empathy-ui-utils.c b/libempathy-gtk/empathy-ui-utils.c
index 798817e..8d4689a 100644
--- a/libempathy-gtk/empathy-ui-utils.c
+++ b/libempathy-gtk/empathy-ui-utils.c
@@ -501,7 +501,7 @@ avatar_pixbuf_from_loader (GdkPixbufLoader *loader)
   return pixbuf;
 }
 
-GdkPixbuf *
+static GdkPixbuf *
 empathy_pixbuf_from_avatar_scaled (EmpathyAvatar *avatar,
     gint width,
     gint height)
@@ -832,6 +832,11 @@ empathy_pixbuf_contact_status_icon (EmpathyContact *contact,
       icon_name, show_protocol);
 }
 
+static GdkPixbuf * empathy_pixbuf_protocol_from_contact_scaled (
+    EmpathyContact *contact,
+    gint width,
+    gint height);
+
 GdkPixbuf *
 empathy_pixbuf_contact_status_icon_with_icon_name (EmpathyContact *contact,
     const gchar *icon_name,
@@ -895,7 +900,7 @@ empathy_pixbuf_contact_status_icon_with_icon_name (EmpathyContact *contact,
   return pix_status;
 }
 
-GdkPixbuf *
+static GdkPixbuf *
 empathy_pixbuf_protocol_from_contact_scaled (EmpathyContact *contact,
     gint width,
     gint height)
@@ -1007,684 +1012,6 @@ empathy_filename_from_icon_name (const gchar *icon_name,
   return ret;
 }
 
-/* Stolen from GtkSourceView, hence the weird intendation. Please keep it like
- * that to make it easier to apply changes from the original code.
- */
-#define GTK_TEXT_UNKNOWN_CHAR 0xFFFC
-
-/* this function acts like g_utf8_offset_to_pointer() except that if it finds a
- * decomposable character it consumes the decomposition length from the given
- * offset. So it's useful when the offset was calculated for the normalized
- * version of str, but we need a pointer to str itself. */
-static const gchar *
-pointer_from_offset_skipping_decomp (const gchar *str,
-    gint offset)
-{
-  gchar *casefold, *normal;
-  const gchar *p, *q;
-
-  p = str;
-  while (offset > 0)
-  {
-    q = g_utf8_next_char (p);
-    casefold = g_utf8_casefold (p, q - p);
-    normal = g_utf8_normalize (casefold, -1, G_NORMALIZE_NFD);
-    offset -= g_utf8_strlen (normal, -1);
-    g_free (casefold);
-    g_free (normal);
-    p = q;
-  }
-
-  return p;
-}
-
-static const gchar *
-g_utf8_strcasestr (const gchar *haystack,
-    const gchar *needle)
-{
-  gsize needle_len;
-  gsize haystack_len;
-  const gchar *ret = NULL;
-  gchar *p;
-  gchar *casefold;
-  gchar *caseless_haystack;
-  gint i;
-
-  g_return_val_if_fail (haystack != NULL, NULL);
-  g_return_val_if_fail (needle != NULL, NULL);
-
-  casefold = g_utf8_casefold (haystack, -1);
-  caseless_haystack = g_utf8_normalize (casefold, -1, G_NORMALIZE_NFD);
-  g_free (casefold);
-
-  needle_len = g_utf8_strlen (needle, -1);
-  haystack_len = g_utf8_strlen (caseless_haystack, -1);
-
-  if (needle_len == 0)
-    {
-      ret = (gchar *) haystack;
-      goto finally_1;
-    }
-
-  if (haystack_len < needle_len)
-    {
-      ret = NULL;
-      goto finally_1;
-    }
-
-  p = (gchar *) caseless_haystack;
-  needle_len = strlen (needle);
-  i = 0;
-
-  while (*p)
-  {
-    if ((strncmp (p, needle, needle_len) == 0))
-      {
-        ret = pointer_from_offset_skipping_decomp (haystack, i);
-        goto finally_1;
-      }
-
-    p = g_utf8_next_char (p);
-    i++;
-  }
-
-finally_1:
-  g_free (caseless_haystack);
-
-  return ret;
-}
-
-static gboolean
-g_utf8_caselessnmatch (const char *s1,
-    const char *s2,
-    gssize n1,
-    gssize n2)
-{
-  gchar *casefold;
-  gchar *normalized_s1;
-  gchar *normalized_s2;
-  gint len_s1;
-  gint len_s2;
-  gboolean ret = FALSE;
-
-  g_return_val_if_fail (s1 != NULL, FALSE);
-  g_return_val_if_fail (s2 != NULL, FALSE);
-  g_return_val_if_fail (n1 > 0, FALSE);
-  g_return_val_if_fail (n2 > 0, FALSE);
-
-  casefold = g_utf8_casefold (s1, n1);
-  normalized_s1 = g_utf8_normalize (casefold, -1, G_NORMALIZE_NFD);
-  g_free (casefold);
-
-  casefold = g_utf8_casefold (s2, n2);
-  normalized_s2 = g_utf8_normalize (casefold, -1, G_NORMALIZE_NFD);
-  g_free (casefold);
-
-  len_s1 = strlen (normalized_s1);
-  len_s2 = strlen (normalized_s2);
-
-  if (len_s1 < len_s2)
-    goto finally_2;
-
-  ret = (strncmp (normalized_s1, normalized_s2, len_s2) == 0);
-
-finally_2:
-  g_free (normalized_s1);
-  g_free (normalized_s2);
-
-  return ret;
-}
-
-static void
-forward_chars_with_skipping (GtkTextIter *iter,
-    gint count,
-    gboolean skip_invisible,
-    gboolean skip_nontext,
-    gboolean skip_decomp)
-{
-  gint i;
-
-  g_return_if_fail (count >= 0);
-
-  i = count;
-
-  while (i > 0)
-    {
-      gboolean ignored = FALSE;
-
-      /* minimal workaround to avoid the infinite loop of bug #168247.
-       * It doesn't fix the problemjust the symptom...
-       */
-      if (gtk_text_iter_is_end (iter))
-        return;
-
-      if (skip_nontext &&
-          gtk_text_iter_get_char (iter) == GTK_TEXT_UNKNOWN_CHAR)
-        ignored = TRUE;
-
-      if (!ignored && skip_invisible &&
-          /* _gtk_text_btree_char_is_invisible (iter)*/ FALSE)
-        ignored = TRUE;
-
-      if (!ignored && skip_decomp)
-        {
-          /* being UTF8 correct sucks; this accounts for extra
-             offsets coming from canonical decompositions of
-             UTF8 characters (e.g. accented characters) which
-             g_utf8_normalize () performs */
-          gchar *normal;
-          gchar buffer[6];
-          gint buffer_len;
-
-          buffer_len = g_unichar_to_utf8 (gtk_text_iter_get_char (iter),
-              buffer);
-
-          normal = g_utf8_normalize (buffer, buffer_len, G_NORMALIZE_NFD);
-          i -= (g_utf8_strlen (normal, -1) - 1);
-          g_free (normal);
-        }
-
-      gtk_text_iter_forward_char (iter);
-
-      if (!ignored)
-        --i;
-    }
-}
-
-static gboolean
-lines_match (const GtkTextIter *start,
-    const gchar **lines,
-    gboolean visible_only,
-    gboolean slice,
-    GtkTextIter *match_start,
-    GtkTextIter *match_end)
-{
-  GtkTextIter next;
-  gchar *line_text;
-  const gchar *found;
-  gint offset;
-
-  if (*lines == NULL || **lines == '\0')
-    {
-      if (match_start)
-        *match_start = *start;
-      if (match_end)
-        *match_end = *start;
-      return TRUE;
-    }
-
-  next = *start;
-  gtk_text_iter_forward_line (&next);
-
-  /* No more text in buffer, but *lines is nonempty */
-  if (gtk_text_iter_equal (start, &next))
-    return FALSE;
-
-  if (slice)
-    {
-      if (visible_only)
-        line_text = gtk_text_iter_get_visible_slice (start, &next);
-      else
-        line_text = gtk_text_iter_get_slice (start, &next);
-    }
-  else
-    {
-      if (visible_only)
-        line_text = gtk_text_iter_get_visible_text (start, &next);
-      else
-        line_text = gtk_text_iter_get_text (start, &next);
-    }
-
-  if (match_start) /* if this is the first line we're matching */
-    {
-      found = g_utf8_strcasestr (line_text, *lines);
-    }
-  else
-    {
-      /* If it's not the first line, we have to match from the
-       * start of the line.
-       */
-      if (g_utf8_caselessnmatch (line_text, *lines, strlen (line_text),
-               strlen (*lines)))
-        found = line_text;
-      else
-        found = NULL;
-    }
-
-  if (found == NULL)
-    {
-      g_free (line_text);
-      return FALSE;
-    }
-
-  /* Get offset to start of search string */
-  offset = g_utf8_strlen (line_text, found - line_text);
-
-  next = *start;
-
-  /* If match start needs to be returned, set it to the
-   * start of the search string.
-   */
-  forward_chars_with_skipping (&next, offset, visible_only, !slice, FALSE);
-  if (match_start)
-    {
-      *match_start = next;
-    }
-
-  /* Go to end of search string */
-  forward_chars_with_skipping (&next, g_utf8_strlen (*lines, -1), visible_only,
-      !slice, TRUE);
-
-  g_free (line_text);
-
-  ++lines;
-
-  if (match_end)
-    *match_end = next;
-
-  /* pass NULL for match_start, since we don't need to find the
-   * start again.
-   */
-  return lines_match (&next, lines, visible_only, slice, NULL, match_end);
-}
-
-/* strsplit () that retains the delimiter as part of the string. */
-static gchar **
-strbreakup (const char *string,
-    const char *delimiter,
-    gint max_tokens)
-{
-  GSList *string_list = NULL, *slist;
-  gchar **str_array, *s, *casefold, *new_string;
-  guint i, n = 1;
-
-  g_return_val_if_fail (string != NULL, NULL);
-  g_return_val_if_fail (delimiter != NULL, NULL);
-
-  if (max_tokens < 1)
-    max_tokens = G_MAXINT;
-
-  s = strstr (string, delimiter);
-  if (s)
-    {
-      guint delimiter_len = strlen (delimiter);
-
-      do
-        {
-          guint len;
-
-          len = s - string + delimiter_len;
-          new_string = g_new (gchar, len + 1);
-          strncpy (new_string, string, len);
-          new_string[len] = 0;
-          casefold = g_utf8_casefold (new_string, -1);
-          g_free (new_string);
-          new_string = g_utf8_normalize (casefold, -1, G_NORMALIZE_NFD);
-          g_free (casefold);
-          string_list = g_slist_prepend (string_list, new_string);
-          n++;
-          string = s + delimiter_len;
-          s = strstr (string, delimiter);
-        } while (--max_tokens && s);
-    }
-
-  if (*string)
-    {
-      n++;
-      casefold = g_utf8_casefold (string, -1);
-      new_string = g_utf8_normalize (casefold, -1, G_NORMALIZE_NFD);
-      g_free (casefold);
-      string_list = g_slist_prepend (string_list, new_string);
-    }
-
-  str_array = g_new (gchar*, n);
-
-  i = n - 1;
-
-  str_array[i--] = NULL;
-  for (slist = string_list; slist; slist = slist->next)
-    str_array[i--] = slist->data;
-
-  g_slist_free (string_list);
-
-  return str_array;
-}
-
-gboolean
-empathy_text_iter_forward_search (const GtkTextIter *iter,
-    const gchar *str,
-    GtkTextIter *match_start,
-    GtkTextIter *match_end,
-    const GtkTextIter *limit)
-{
-  gchar **lines = NULL;
-  GtkTextIter match;
-  gboolean retval = FALSE;
-  GtkTextIter search;
-  gboolean visible_only;
-  gboolean slice;
-
-  g_return_val_if_fail (iter != NULL, FALSE);
-  g_return_val_if_fail (str != NULL, FALSE);
-
-  if (limit && gtk_text_iter_compare (iter, limit) >= 0)
-    return FALSE;
-
-  if (*str == '\0')
-    {
-      /* If we can move one char, return the empty string there */
-      match = *iter;
-
-      if (gtk_text_iter_forward_char (&match))
-        {
-          if (limit && gtk_text_iter_equal (&match, limit))
-            return FALSE;
-
-          if (match_start)
-            *match_start = match;
-
-          if (match_end)
-            *match_end = match;
-
-          return TRUE;
-        }
-      else
-        {
-          return FALSE;
-        }
-    }
-
-  visible_only = TRUE;
-  slice = FALSE;
-
-  /* locate all lines */
-  lines = strbreakup (str, "\n", -1);
-
-  search = *iter;
-
-  do
-    {
-      /* This loop has an inefficient worst-case, where
-       * gtk_text_iter_get_text () is called repeatedly on
-       * a single line.
-       */
-      GtkTextIter end;
-
-      if (limit && gtk_text_iter_compare (&search, limit) >= 0)
-        break;
-
-      if (lines_match (&search, (const gchar**)lines,
-           visible_only, slice, &match, &end))
-        {
-          if (limit == NULL ||
-              (limit && gtk_text_iter_compare (&end, limit) <= 0))
-            {
-              retval = TRUE;
-
-              if (match_start)
-                *match_start = match;
-
-              if (match_end)
-                *match_end = end;
-            }
-          break;
-        }
-    } while (gtk_text_iter_forward_line (&search));
-
-  g_strfreev ((gchar **) lines);
-
-  return retval;
-}
-
-static const gchar *
-g_utf8_strrcasestr (const gchar *haystack,
-    const gchar *needle)
-{
-  gsize needle_len;
-  gsize haystack_len;
-  const gchar *ret = NULL;
-  gchar *p;
-  gchar *casefold;
-  gchar *caseless_haystack;
-  gint i;
-
-  g_return_val_if_fail (haystack != NULL, NULL);
-  g_return_val_if_fail (needle != NULL, NULL);
-
-  casefold = g_utf8_casefold (haystack, -1);
-  caseless_haystack = g_utf8_normalize (casefold, -1, G_NORMALIZE_NFD);
-  g_free (casefold);
-
-  needle_len = g_utf8_strlen (needle, -1);
-  haystack_len = g_utf8_strlen (caseless_haystack, -1);
-
-  if (needle_len == 0)
-    {
-      ret = (gchar *) haystack;
-      goto finally_1;
-    }
-
-  if (haystack_len < needle_len)
-    {
-      ret = NULL;
-      goto finally_1;
-    }
-
-  i = haystack_len - needle_len;
-  p = g_utf8_offset_to_pointer (caseless_haystack, i);
-  needle_len = strlen (needle);
-
-  while (p >= caseless_haystack)
-    {
-      if (strncmp (p, needle, needle_len) == 0)
-        {
-          ret = pointer_from_offset_skipping_decomp (haystack, i);
-          goto finally_1;
-        }
-
-      p = g_utf8_prev_char (p);
-      i--;
-    }
-
-finally_1:
-  g_free (caseless_haystack);
-
-  return ret;
-}
-
-static gboolean
-backward_lines_match (const GtkTextIter *start,
-    const gchar **lines,
-    gboolean visible_only,
-    gboolean slice,
-    GtkTextIter *match_start,
-    GtkTextIter *match_end)
-{
-  GtkTextIter line, next;
-  gchar *line_text;
-  const gchar *found;
-  gint offset;
-
-  if (*lines == NULL || **lines == '\0')
-    {
-      if (match_start)
-        *match_start = *start;
-      if (match_end)
-        *match_end = *start;
-      return TRUE;
-    }
-
-  line = next = *start;
-  if (gtk_text_iter_get_line_offset (&next) == 0)
-    {
-      if (!gtk_text_iter_backward_line (&next))
-        return FALSE;
-    }
-  else
-    {
-      gtk_text_iter_set_line_offset (&next, 0);
-    }
-
-  if (slice)
-    {
-      if (visible_only)
-        line_text = gtk_text_iter_get_visible_slice (&next, &line);
-      else
-        line_text = gtk_text_iter_get_slice (&next, &line);
-    }
-  else
-    {
-      if (visible_only)
-        line_text = gtk_text_iter_get_visible_text (&next, &line);
-      else
-        line_text = gtk_text_iter_get_text (&next, &line);
-    }
-
-  if (match_start) /* if this is the first line we're matching */
-    {
-      found = g_utf8_strrcasestr (line_text, *lines);
-    }
-  else
-    {
-      /* If it's not the first line, we have to match from the
-       * start of the line.
-       */
-      if (g_utf8_caselessnmatch (line_text, *lines, strlen (line_text),
-               strlen (*lines)))
-        found = line_text;
-      else
-        found = NULL;
-    }
-
-  if (found == NULL)
-    {
-      g_free (line_text);
-      return FALSE;
-    }
-
-  /* Get offset to start of search string */
-  offset = g_utf8_strlen (line_text, found - line_text);
-
-  forward_chars_with_skipping (&next, offset, visible_only, !slice, FALSE);
-
-  /* If match start needs to be returned, set it to the
-   * start of the search string.
-   */
-  if (match_start)
-    {
-      *match_start = next;
-    }
-
-  /* Go to end of search string */
-  forward_chars_with_skipping (&next, g_utf8_strlen (*lines, -1), visible_only,
-      !slice, TRUE);
-
-  g_free (line_text);
-
-  ++lines;
-
-  if (match_end)
-    *match_end = next;
-
-  /* try to match the rest of the lines forward, passing NULL
-   * for match_start so lines_match will try to match the entire
-   * line */
-  return lines_match (&next, lines, visible_only, slice, NULL, match_end);
-}
-
-gboolean
-empathy_text_iter_backward_search (const GtkTextIter *iter,
-    const gchar *str,
-    GtkTextIter *match_start,
-    GtkTextIter *match_end,
-    const GtkTextIter *limit)
-{
-  gchar **lines = NULL;
-  GtkTextIter match;
-  gboolean retval = FALSE;
-  GtkTextIter search;
-  gboolean visible_only;
-  gboolean slice;
-
-  g_return_val_if_fail (iter != NULL, FALSE);
-  g_return_val_if_fail (str != NULL, FALSE);
-
-  if (limit && gtk_text_iter_compare (iter, limit) <= 0)
-    return FALSE;
-
-  if (*str == '\0')
-    {
-      /* If we can move one char, return the empty string there */
-      match = *iter;
-
-      if (gtk_text_iter_backward_char (&match))
-        {
-          if (limit && gtk_text_iter_equal (&match, limit))
-            return FALSE;
-
-          if (match_start)
-            *match_start = match;
-          if (match_end)
-            *match_end = match;
-          return TRUE;
-        }
-      else
-        {
-          return FALSE;
-        }
-    }
-
-  visible_only = TRUE;
-  slice = TRUE;
-
-  /* locate all lines */
-  lines = strbreakup (str, "\n", -1);
-
-  search = *iter;
-
-  while (TRUE)
-    {
-      /* This loop has an inefficient worst-case, where
-       * gtk_text_iter_get_text () is called repeatedly on
-       * a single line.
-       */
-      GtkTextIter end;
-
-      if (limit && gtk_text_iter_compare (&search, limit) <= 0)
-        break;
-
-      if (backward_lines_match (&search, (const gchar**)lines,
-              visible_only, slice, &match, &end))
-        {
-          if (limit == NULL || (limit &&
-                    gtk_text_iter_compare (&end, limit) > 0))
-            {
-              retval = TRUE;
-
-              if (match_start)
-                *match_start = match;
-              if (match_end)
-                *match_end = end;
-            }
-          break;
-        }
-
-      if (gtk_text_iter_get_line_offset (&search) == 0)
-        {
-          if (!gtk_text_iter_backward_line (&search))
-            break;
-        }
-      else
-      {
-        gtk_text_iter_set_line_offset (&search, 0);
-      }
-    }
-
-  g_strfreev ((gchar **) lines);
-
-  return retval;
-}
-
 /* Takes care of moving the window to the current workspace. */
 void
 empathy_window_present_with_time (GtkWindow *window,
diff --git a/libempathy-gtk/empathy-ui-utils.h b/libempathy-gtk/empathy-ui-utils.h
index e690f11..fdf69df 100644
--- a/libempathy-gtk/empathy-ui-utils.h
+++ b/libempathy-gtk/empathy-ui-utils.h
@@ -86,16 +86,9 @@ GdkPixbuf * empathy_pixbuf_avatar_from_individual_scaled_finish (
     FolksIndividual *individual,
     GAsyncResult *result,
     GError **error);
-GdkPixbuf * empathy_pixbuf_from_avatar_scaled (EmpathyAvatar *avatar,
-    gint width,
-    gint height);
 GdkPixbuf * empathy_pixbuf_avatar_from_contact_scaled (EmpathyContact *contact,
     gint width,
     gint height);
-GdkPixbuf * empathy_pixbuf_protocol_from_contact_scaled (
-    EmpathyContact *contact,
-    gint width,
-    gint height);
 GdkPixbuf * empathy_pixbuf_contact_status_icon (EmpathyContact *contact,
     gboolean show_protocol);
 GdkPixbuf * empathy_pixbuf_contact_status_icon_with_icon_name (
@@ -111,18 +104,6 @@ GdkPixbuf * empathy_pixbuf_from_icon_name_sized (const gchar *icon_name,
 gchar * empathy_filename_from_icon_name (const gchar *icon_name,
     GtkIconSize icon_size);
 
-/* Text view */
-gboolean empathy_text_iter_forward_search (const GtkTextIter*iter,
-    const gchar *str,
-    GtkTextIter *match_start,
-    GtkTextIter *match_end,
-    const GtkTextIter*limit);
-gboolean empathy_text_iter_backward_search (const GtkTextIter*iter,
-    const gchar *str,
-    GtkTextIter *match_start,
-    GtkTextIter *match_end,
-    const GtkTextIter *limit);
-
 /* Windows */
 void empathy_window_present (GtkWindow *window);
 void empathy_window_present_with_time (GtkWindow *window,