diff --git a/gdb/tui/tui.c b/gdb/tui/tui.c
index 6c1dea0d1e6..b224be9bd6d 100644
--- a/gdb/tui/tui.c
+++ b/gdb/tui/tui.c
@@ -39,10 +39,12 @@
 #include "tuiRegs.h"
 #include "tuiStack.h"
 #include "tuiWin.h"
+#include "tuiSourceWin.h"
 #include "readline/readline.h"
 #include "target.h"
 #include "frame.h"
 #include "breakpoint.h"
+#include "inferior.h"
 
 /* Tells whether the TUI is active or not.  */
 int tui_active = 0;
@@ -55,10 +57,13 @@ tui_switch_mode (void)
   if (tui_active)
     {
       tui_disable ();
+      rl_prep_terminal (0);
+
       printf_filtered ("Left the TUI mode\n");
     }
   else
     {
+      rl_deprep_terminal ();
       tui_enable ();
       printf_filtered ("Entered the TUI mode\n");
     }
@@ -74,6 +79,9 @@ tui_switch_mode (void)
      will be able to setup the terminal for its needs.  By re-entering
      in readline, we also redisplay its prompt in the non-curses mode.  */
   rl_newline (1, '\n');
+
+  /* Make sure the \n we are returning does not repeat the last command.  */
+  dont_repeat ();
   return 0;
 }
 
@@ -232,6 +240,9 @@ tui_enable (void)
   tui_version = 1;
   tui_active = 1;
   refresh ();
+
+  /* Update gdb's knowledge of its terminal.  */
+  terminal_save_ours ();
 }
 
 /* Leave the tui mode.
@@ -254,6 +265,8 @@ tui_disable (void)
      so that terminal management with the inferior works.  */
   tui_setup_io (0);
 
+  /* Update gdb's knowledge of its terminal.  */
+  terminal_save_ours ();
   tui_version = 0;
   tui_active = 0;
 }
@@ -276,7 +289,7 @@ CORE_ADDR
 tuiGetLowDisassemblyAddress (CORE_ADDR low, CORE_ADDR pc)
 {
   int line;
-  Opaque newLow;
+  CORE_ADDR newLow;
 
   /* Determine where to start the disassembly so that the pc is about in the
      middle of the viewport.  */
@@ -385,6 +398,15 @@ _tuiReset (void)
 }				/* _tuiReset */
 #endif
 
+void
+tui_show_source (const char *file, int line)
+{
+  /* make sure that the source window is displayed */
+  tuiAddWinToLayout (SRC_WIN);
+
+  tuiUpdateSourceWindowsWithLine (current_source_symtab, line);
+  tuiUpdateLocatorFilename (file);
+}
 
 void
 tui_show_assembly (CORE_ADDR addr)
diff --git a/gdb/tui/tui.h b/gdb/tui/tui.h
index c26802bc6ab..9e3ccda9b05 100644
--- a/gdb/tui/tui.h
+++ b/gdb/tui/tui.h
@@ -106,6 +106,19 @@ extern void tui_enable (void);
 /* Leave the tui mode.  */
 extern void tui_disable (void);
 
+extern void tui_initialize_io (void);
+
+extern void tui_initialize_readline (void);
+
+extern int tui_active;
+
+extern void tui_install_hooks (void);
+extern void tui_remove_hooks (void);
+
+extern void tui_show_source (const char *file, int line);
+
+extern struct ui_out *tui_out_new (struct ui_file *stream);
+
 /* tuiDataWin.c */
 extern void tui_vCheckDataValues (va_list);
 
diff --git a/gdb/tui/tuiStack.c b/gdb/tui/tuiStack.c
index bf02dec77a7..501252c850e 100644
--- a/gdb/tui/tuiStack.c
+++ b/gdb/tui/tuiStack.c
@@ -126,7 +126,7 @@ tuiSetLocatorInfo (char *fname, char *procname, int lineNo,
    **        Update only the filename portion of the locator.
  */
 void
-tuiUpdateLocatorFilename (char *fileName)
+tuiUpdateLocatorFilename (const char *fileName)
 {
   TuiGenWinInfoPtr locator = locatorWinInfoPtr ();
 
diff --git a/gdb/tui/tuiStack.h b/gdb/tui/tuiStack.h
index c348f6d341d..90aab5abe22 100644
--- a/gdb/tui/tuiStack.h
+++ b/gdb/tui/tuiStack.h
@@ -27,7 +27,7 @@
 
 extern void tuiSetLocatorInfo (char *, char *, int, CORE_ADDR,
 			       TuiLocatorElementPtr);
-extern void tuiUpdateLocatorFilename (char *);
+extern void tuiUpdateLocatorFilename (const char *);
 extern void tuiUpdateLocatorInfoFromFrame
   (struct frame_info *, TuiLocatorElementPtr);
 extern void tuiUpdateLocatorDisplay (struct frame_info *);
diff --git a/gdb/tui/tuiWin.c b/gdb/tui/tuiWin.c
index 509f590ab78..024a29546ac 100644
--- a/gdb/tui/tuiWin.c
+++ b/gdb/tui/tuiWin.c
@@ -317,7 +317,7 @@ Usage: w <#lines>\n");
   /* Define the tui control variables.  */
   c = add_set_enum_cmd
     ("tui-border-kind", class_tui,
-     tui_border_kind_enums, (char*) &tui_border_kind,
+     tui_border_kind_enums, &tui_border_kind,
      "Set the kind of border for TUI windows.\n"
      "This variable controls the border of TUI windows:\n"
      "space           use a white space\n"
@@ -328,7 +328,7 @@ Usage: w <#lines>\n");
 
   c = add_set_enum_cmd
     ("tui-border-mode", class_tui,
-     tui_border_mode_enums, (char*) &tui_border_mode,
+     tui_border_mode_enums, &tui_border_mode,
      "Set the attribute mode to use for the TUI window borders.\n"
      "This variable controls the attributes to use for the window borders:\n"
      "normal          normal display\n"
@@ -343,7 +343,7 @@ Usage: w <#lines>\n");
 
   c = add_set_enum_cmd
     ("tui-active-border-mode", class_tui,
-     tui_border_mode_enums, (char*) &tui_active_border_mode,
+     tui_border_mode_enums, &tui_active_border_mode,
      "Set the attribute mode to use for the active TUI window border.\n"
      "This variable controls the attributes to use for the active window border:\n"
      "normal          normal display\n"