[gedit/wip/view-frame-cleanup] ViewFrame: move some code in update_goto_line()

[Sébastien Wilmet <swilmet src gnome org>]

commit f3c167b2bb1aad023b3b3b04196e5bf181ccb7ba
Author: Sébastien Wilmet <swilmet gnome org>
Date:   Wed Aug 7 21:12:43 2013 +0200

    ViewFrame: move some code in update_goto_line()
    
    Now search_entry_changed_cb() is smaller and more obvious.

 gedit/gedit-view-frame.c |  144 +++++++++++++++++++++++++--------------------
 1 files changed, 80 insertions(+), 64 deletions(-)
---
diff --git a/gedit/gedit-view-frame.c b/gedit/gedit-view-frame.c
index 4fae52b..ebc92d1 100644
--- a/gedit/gedit-view-frame.c
+++ b/gedit/gedit-view-frame.c
@@ -910,90 +910,106 @@ customize_for_search_mode (GeditViewFrame *frame)
 }
 
 static void
-search_init (GtkWidget      *entry,
-             GeditViewFrame *frame)
+update_goto_line (GeditViewFrame *frame)
 {
-       const gchar *entry_text = gtk_entry_get_text (GTK_ENTRY (entry));
+       const gchar *entry_text;
+       gboolean moved;
+       gboolean moved_offset;
+       gint line;
+       gint offset_line = 0;
+       gint line_offset = 0;
+       gchar **split_text = NULL;
+       const gchar *text;
+       GtkTextIter iter;
+       GeditDocument *doc;
 
-       renew_flush_timeout (frame);
+       entry_text = gtk_entry_get_text (GTK_ENTRY (frame->priv->search_entry));
 
-       if (frame->priv->search_mode == SEARCH)
+       if (entry_text[0] == '\0')
        {
-               update_search (frame);
-               start_search (frame);
+               return;
        }
-       else if (*entry_text != '\0')
-       {
-               gboolean moved, moved_offset;
-               gint line;
-               gint offset_line = 0;
-               gint line_offset = 0;
-               gchar **split_text = NULL;
-               const gchar *text;
-               GtkTextIter iter;
-               GeditDocument *doc;
 
-               doc = gedit_view_frame_get_document (frame);
-
-               gtk_text_buffer_get_iter_at_mark (GTK_TEXT_BUFFER (doc),
-                                                 &iter,
-                                                 frame->priv->start_mark);
+       doc = gedit_view_frame_get_document (frame);
 
-               split_text = g_strsplit (entry_text, ":", -1);
+       gtk_text_buffer_get_iter_at_mark (GTK_TEXT_BUFFER (doc),
+                                         &iter,
+                                         frame->priv->start_mark);
 
-               if (g_strv_length (split_text) > 1)
-               {
-                       text = split_text[0];
-               }
-               else
-               {
-                       text = entry_text;
-               }
+       split_text = g_strsplit (entry_text, ":", -1);
 
-               if (*text == '-')
-               {
-                       gint cur_line = gtk_text_iter_get_line (&iter);
+       if (g_strv_length (split_text) > 1)
+       {
+               text = split_text[0];
+       }
+       else
+       {
+               text = entry_text;
+       }
 
-                       if (*(text + 1) != '\0')
-                               offset_line = MAX (atoi (text + 1), 0);
+       if (text[0] == '-')
+       {
+               gint cur_line = gtk_text_iter_get_line (&iter);
 
-                       line = MAX (cur_line - offset_line, 0);
-               }
-               else if (*entry_text == '+')
+               if (text[1] != '\0')
                {
-                       gint cur_line = gtk_text_iter_get_line (&iter);
+                       offset_line = MAX (atoi (text + 1), 0);
+               }
 
-                       if (*(text + 1) != '\0')
-                               offset_line = MAX (atoi (text + 1), 0);
+               line = MAX (cur_line - offset_line, 0);
+       }
+       else if (entry_text[0] == '+')
+       {
+               gint cur_line = gtk_text_iter_get_line (&iter);
 
-                       line = cur_line + offset_line;
-               }
-               else
+               if (text[1] != '\0')
                {
-                       line = MAX (atoi (text) - 1, 0);
+                       offset_line = MAX (atoi (text + 1), 0);
                }
 
-               if (split_text[1] != NULL)
-               {
-                       line_offset = atoi (split_text[1]);
-               }
+               line = cur_line + offset_line;
+       }
+       else
+       {
+               line = MAX (atoi (text) - 1, 0);
+       }
 
-               g_strfreev (split_text);
+       if (split_text[1] != NULL)
+       {
+               line_offset = atoi (split_text[1]);
+       }
 
-               moved = gedit_document_goto_line (doc, line);
-               moved_offset = gedit_document_goto_line_offset (doc, line,
-                                                               line_offset);
+       g_strfreev (split_text);
 
-               gedit_view_scroll_to_cursor (frame->priv->view);
+       moved = gedit_document_goto_line (doc, line);
+       moved_offset = gedit_document_goto_line_offset (doc, line, line_offset);
 
-               if (!moved || !moved_offset)
-               {
-                       set_search_state (frame, SEARCH_STATE_NOT_FOUND);
-               }
-               else
-               {
-                       set_search_state (frame, SEARCH_STATE_NORMAL);
-               }
+       gedit_view_scroll_to_cursor (frame->priv->view);
+
+       if (!moved || !moved_offset)
+       {
+               set_search_state (frame, SEARCH_STATE_NOT_FOUND);
+       }
+       else
+       {
+               set_search_state (frame, SEARCH_STATE_NORMAL);
+       }
+}
+
+static void
+search_entry_changed_cb (GtkEntry       *entry,
+                        GeditViewFrame *frame)
+{
+       renew_flush_timeout (frame);
+
+       if (frame->priv->search_mode == SEARCH)
+       {
+               update_search (frame);
+               start_search (frame);
+       }
+       else
+       {
+               update_goto_line (frame);
        }
 }
 
@@ -1351,7 +1367,7 @@ gedit_view_frame_init (GeditViewFrame *frame)
        frame->priv->search_entry_changed_id =
                g_signal_connect (frame->priv->search_entry,
                                  "changed",
-                                 G_CALLBACK (search_init),
+                                 G_CALLBACK (search_entry_changed_cb),
                                  frame);
 
        frame->priv->search_entry_focus_out_id =