gtk front-end files

1 files changed, 117 insertions, 0 deletions

diff --git a/mixgtk/mixgtk_cmd_dispatcher.c b/mixgtk/mixgtk_cmd_dispatcher.c
new file mode 100644
index 0000000..c5fef58
--- /dev/null
+++ b/mixgtk/mixgtk_cmd_dispatcher.c
@@ -0,0 +1,117 @@
+/* -*-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), "");
+}