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/* -*-c-*- -------------- mixgtk_cmd_dispatcher.c :
* Implementation of the functions declared in mixgtk_cmd_dispatcher.h
* ------------------------------------------------------------------
* Last change: Time-stamp: "01/02/26 03:15:18 jose"
* ------------------------------------------------------------------
* Copyright (C) 2001 Free Software Foundation, Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
*/
#define _GNU_SOURCE 1
#include <stdio.h>
#include <mixlib/mix_vm_command.h>
#include "mixgtk_cmd_dispatcher.h"
/* a mix vm command dispatcher */
struct mixgtk_dispatch_
{
mix_vm_cmd_dispatcher_t *dispatcher;
FILE *out;
char *out_buffer;
size_t out_buffer_size;
GtkWidget *prompt;
GtkWidget *log;
};
static struct mixgtk_dispatch_ dis_data_ = {NULL};
/* global hooks for the command dispatcher */
static void
global_pre_hook_ (mix_vm_cmd_dispatcher_t *dis,
mix_vm_command_t cmd, const gchar *arg, gpointer data)
{
if (cmd < MIX_CMD_INVALID)
{
gtk_text_insert (GTK_TEXT (dis_data_.log), NULL, NULL, NULL,
"MIX> ", -1);
gtk_text_insert (GTK_TEXT (dis_data_.log), NULL, NULL, NULL,
mix_vm_command_to_string (cmd), -1);
gtk_text_insert (GTK_TEXT (dis_data_.log), NULL, NULL, NULL,
" ", -1);
gtk_text_insert (GTK_TEXT (dis_data_.log), NULL, NULL, NULL,
arg, -1);
gtk_text_insert (GTK_TEXT (dis_data_.log), NULL, NULL, NULL,
"\n", -1);
}
else
{
gtk_text_insert (GTK_TEXT (dis_data_.log), NULL, NULL, NULL,
_("*** Invalid command\n"), -1);
}
}
static void
global_post_hook_ (mix_vm_cmd_dispatcher_t *dis,
mix_vm_command_t cmd, const gchar *arg, gpointer data)
{
fflush (dis_data_.out);
if (cmd < MIX_CMD_INVALID)
{
gtk_text_insert (GTK_TEXT (dis_data_.log), NULL, NULL, NULL,
dis_data_.out_buffer, dis_data_.out_buffer_size);
}
rewind (dis_data_.out);
}
/* initialise the command dispatcher */
gboolean
mixgtk_cmd_dispatcher_init (void)
{
if (!dis_data_.prompt)
{
dis_data_.prompt = mixgtk_widget_factory_get (MIXGTK_WIDGET_PROMPT);
if (!dis_data_.prompt) return FALSE;
dis_data_.log = mixgtk_widget_factory_get (MIXGTK_WIDGET_LOG);
if (!dis_data_.log) return FALSE;
}
if (!dis_data_.dispatcher)
{
FILE *out = open_memstream (&(dis_data_.out_buffer),
&(dis_data_.out_buffer_size));
if (!out) return FALSE;
dis_data_.out = out;
dis_data_.dispatcher = mix_vm_cmd_dispatcher_new (out, out);
mix_vm_cmd_dispatcher_global_pre_hook(dis_data_.dispatcher,
global_pre_hook_, NULL);
mix_vm_cmd_dispatcher_global_post_hook(dis_data_.dispatcher,
global_post_hook_, NULL);
}
return TRUE;
}
/* process new command */
void
on_mixvm_cmd_entry_activate (GtkWidget *w, gpointer e)
{
gchar *text;
text = gtk_entry_get_text (GTK_ENTRY (w));
mix_vm_cmd_dispatcher_dispatch_text (dis_data_.dispatcher, text);
gtk_entry_set_text (GTK_ENTRY (w), "");
}
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