[vte] widget: Move some methods to VteTerminalPrivate

[Christian Persch <chpe src gnome org>]

commit 1c5c5b50de8e6688863dc49c0755a509186d93ef
Author: Christian Persch <chpe gnome org>
Date:   Thu Jan 14 17:05:35 2016 +0100

    widget: Move some methods to VteTerminalPrivate

 src/vteinternal.hh |    1 +
 src/vteseq.cc      |   15 +++++++++------
 2 files changed, 10 insertions(+), 6 deletions(-)
---
diff --git a/src/vteinternal.hh b/src/vteinternal.hh
index e7a7397..8675cf1 100644
--- a/src/vteinternal.hh
+++ b/src/vteinternal.hh
@@ -1123,6 +1123,7 @@ public:
         inline void set_character_replacements(unsigned slot,
                                                VteCharacterReplacement replacement);
         inline void set_character_replacement(unsigned slot);
+        inline void seq_cursor_back_tab();
 };
 
 #define m_invalidated_all invalidated_all
diff --git a/src/vteseq.cc b/src/vteseq.cc
index 24a11e6..22f444c 100644
--- a/src/vteseq.cc
+++ b/src/vteseq.cc
@@ -1027,17 +1027,20 @@ vte_sequence_handler_bell (VteTerminal *terminal, GValueArray *params)
 static void
 vte_sequence_handler_cursor_back_tab (VteTerminal *terminal, GValueArray *params)
 {
-       long newcol;
+        terminal->pvt->seq_cursor_back_tab();
+}
 
+void
+VteTerminalPrivate::seq_cursor_back_tab()
+{
        /* Calculate which column is the previous tab stop. */
-        newcol = terminal->pvt->cursor.col;
+        auto newcol = m_cursor.col;
 
-       if (terminal->pvt->tabstops) {
+       if (m_tabstops) {
                /* Find the next tabstop. */
                while (newcol > 0) {
                        newcol--;
-                       if (terminal->pvt->get_tabstop(
-                                                    newcol % terminal->pvt->column_count)) {
+                        if (get_tabstop(newcol % m_column_count)) {
                                break;
                        }
                }
@@ -1046,7 +1049,7 @@ vte_sequence_handler_cursor_back_tab (VteTerminal *terminal, GValueArray *params
        /* Warp the cursor. */
        _vte_debug_print(VTE_DEBUG_PARSE,
                        "Moving cursor to column %ld.\n", (long)newcol);
-        terminal->pvt->cursor.col = newcol;
+        m_cursor.col = newcol;
 }
 
 /* Clear from the cursor position (inclusive!) to the beginning of the line. */