* gdbtk.tcl (gdb_prompt): Set this early on.

	(create_command_window): Use gdb_prompt rather than "(gdb) ".
	(gdbtk_tcl_preloop): Proc executed just prior to Tk main loop.
	(tclsh): If an evaluation window already exists, just bring it
	to the front instead of trying to create another.
	* gdbtk.c (tk_command_loop): New function.
	(gdbtk_init): Call tk_command_loop rather than Tk_MainLoop.

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 22a20067c39e00b52137b3f38c525e919aaab519..2a8e1b8330a65e9ee29851e0265df695c223a84e 100644 (file)
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,4 +1,14 @@
 start-sanitize-gdbtk
+Thu May 16 19:20:29 1996  Fred Fish  <fnf@fishfood.ninemoons.com>
+
+       * gdbtk.tcl (gdb_prompt): Set this early on.
+       (create_command_window): Use gdb_prompt rather than "(gdb) ".
+       (gdbtk_tcl_preloop): Proc executed just prior to Tk main loop.
+       (tclsh): If an evaluation window already exists, just bring it
+       to the front instead of trying to create another.
+       * gdbtk.c (tk_command_loop): New function.
+       (gdbtk_init): Call tk_command_loop rather than Tk_MainLoop.
+
 Thu May 16 16:16:35 1996  Fred Fish  <fnf@cygnus.com>
 
        * gdbtk.tcl (evaluate_tcl_command, tclsh):  New functions that

diff --git a/gdb/gdbtk.c b/gdb/gdbtk.c
index 08b483ebfb331be7f23c04a1393fd8d6531e91f7..6234e4a012f328ef526b85460c8c1565ebc20c1d 100644 (file)
--- a/gdb/gdbtk.c
+++ b/gdb/gdbtk.c
@@ -1111,6 +1111,16 @@ gdbtk_call_command (cmdblk, arg, from_tty)
     (*cmdblk->function.cfunc)(arg, from_tty);
 }
 
+/* This function is called instead of gdb's internal command loop.  This is the
+   last chance to do anything before entering the main Tk event loop. */
+
+static void
+tk_command_loop ()
+{
+  Tcl_Eval (interp, "gdbtk_tcl_preloop");
+  Tk_MainLoop ();
+}
+
 static void
 gdbtk_init ()
 {
@@ -1160,7 +1170,7 @@ gdbtk_init ()
   Tcl_CreateCommand (interp, "gdb_get_breakpoint_info", call_wrapper,
                     gdb_get_breakpoint_info, NULL);
 
-  command_loop_hook = Tk_MainLoop;
+  command_loop_hook = tk_command_loop;
   print_frame_info_listing_hook = null_routine;
   query_hook = gdbtk_query;
   flush_hook = gdbtk_flush;

diff --git a/gdb/gdbtk.tcl b/gdb/gdbtk.tcl
index 39afddb1c1bf27c27c0d3d644dc15a981bcc449f..3fcf2ce2d2080f34bed83d3b0bda49a224017edb 100644 (file)
--- a/gdb/gdbtk.tcl
+++ b/gdb/gdbtk.tcl
@@ -28,6 +28,7 @@ set line_numbers 1
 set breakpoint_file(-1) {[garbage]}
 set disassemble_with_source nosource
 set expr_update_list(0) 0
+set gdb_prompt "(gdb) "
 
 set debug_interface 0
 
@@ -2291,6 +2292,7 @@ proc find_completion {cmd completions} {
 proc create_command_window {} {
        global command_line
        global saw_tab
+       global gdb_prompt
 
        set saw_tab 0
        if {[winfo exists .cmd]} {raise .cmd ; return}
@@ -2340,7 +2342,7 @@ proc create_command_window {} {
          # %W insert end $result
          set command_line {}
          # update_ptr
-         %W insert end "(gdb) "
+         %W insert end "$gdb_prompt"
          %W see end
          break
        }
@@ -2391,7 +2393,7 @@ proc create_command_window {} {
            if {[regexp ".* " $command_line prefix]} {
              regsub -all $prefix $choices {} choices
            }
-           %W insert end "\n[join $choices { }]\n(gdb) $command_line"
+           %W insert end "\n[join $choices { }]\n$gdb_prompt$command_line"
            %W see end
          }
          break
@@ -3128,6 +3130,9 @@ proc evaluate_tcl_command { twidget } {
 proc tclsh {} {
     global tcl_prompt
 
+    # If another evaluation window already exists, just bring it to the front.
+    if {[winfo exists .eval]} {raise .eval ; return}
+
     # Create top level frame with scrollbar and text widget.
     toplevel .eval
     wm title .eval "Tcl Evaluation"
@@ -3156,6 +3161,14 @@ proc tclsh {} {
     bindtags .eval.text {.eval.text Text all}
 }
 
+# This proc is executed just prior to falling into the Tk main event loop.
+proc gdbtk_tcl_preloop {} {
+    global gdb_prompt
+    .cmd.text insert end "$gdb_prompt"
+    .cmd.text see end
+    update
+}
+
 # FIXME need to handle mono here.  In Tk4 that is more complicated.
 set highlight "-background red2 -borderwidth 2 -relief sunken"