/* -*-c-*- -------------- mixgtk_cmd_dispatcher.c : * Implementation of the functions declared in mixgtk_cmd_dispatcher.h * ------------------------------------------------------------------ * Last change: Time-stamp: "01/04/01 15:22:09 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 #include #include #include #include "mixgtk_cmd_dispatcher.h" #include "mixgtk_mixvm.h" #include "mixgtk_mixal.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; GtkWidget *status; guint context; GCompletion *completions; }; static struct mixgtk_dispatch_ dis_data_ = {NULL}; /* completions */ static void init_completions_ (void) { GList *cmds = NULL; gint k; dis_data_.completions = g_completion_new (NULL); for (k = 0; k < MIX_CMD_INVALID; ++k) cmds = g_list_append (cmds, (gpointer) mix_vm_command_to_string (k)); g_completion_add_items (dis_data_.completions, cmds); } /* 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, _("\n*** 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); mixgtk_mixvm_update_vm_widgets (); } static void load_post_hook_ (mix_vm_cmd_dispatcher_t *dis, const gchar *arg, gpointer data) { static glong id = -1; if (mix_vm_cmd_dispatcher_get_last_result (dis)) { gchar *file = g_strdup (arg); mixgtk_mixal_load_file (); mixgtk_mixal_update (); if (id != -1) gtk_statusbar_remove (GTK_STATUSBAR (dis_data_.status), dis_data_.context, (guint)id); id = gtk_statusbar_push (GTK_STATUSBAR (dis_data_.status), dis_data_.context, file); } } static void run_post_hook_ (mix_vm_cmd_dispatcher_t *dis, const gchar *arg, gpointer data) { mixgtk_mixal_update (); } static void next_post_hook_ (mix_vm_cmd_dispatcher_t *dis, const gchar *arg, gpointer data) { mixgtk_mixal_update (); } static void linebp_post_hook_ (mix_vm_cmd_dispatcher_t *dis, const gchar *arg, gpointer data) { if (arg && strlen (arg)) mixgtk_mixal_update_bp_at_line (atoi (arg)); } static void addrbp_post_hook_ (mix_vm_cmd_dispatcher_t *dis, const gchar *arg, gpointer data) { if (arg && strlen (arg)) mixgtk_mixal_update_bp_at_address (atoi (arg)); } static void allbp_post_hook_ (mix_vm_cmd_dispatcher_t *dis, const gchar *arg, gpointer data) { mixgtk_mixal_update_bp_all (); } static void install_hooks_ (void) { 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); mix_vm_cmd_dispatcher_post_hook (dis_data_.dispatcher, MIX_CMD_LOAD, load_post_hook_, NULL); mix_vm_cmd_dispatcher_post_hook (dis_data_.dispatcher, MIX_CMD_RUN, run_post_hook_, NULL); mix_vm_cmd_dispatcher_post_hook (dis_data_.dispatcher, MIX_CMD_NEXT, next_post_hook_, NULL); mix_vm_cmd_dispatcher_post_hook (dis_data_.dispatcher, MIX_CMD_SBP, linebp_post_hook_, NULL); mix_vm_cmd_dispatcher_post_hook (dis_data_.dispatcher, MIX_CMD_CBP, linebp_post_hook_, NULL); mix_vm_cmd_dispatcher_post_hook (dis_data_.dispatcher, MIX_CMD_SBPA, addrbp_post_hook_, NULL); mix_vm_cmd_dispatcher_post_hook (dis_data_.dispatcher, MIX_CMD_CBPA, addrbp_post_hook_, NULL); mix_vm_cmd_dispatcher_post_hook (dis_data_.dispatcher, MIX_CMD_CABP, allbp_post_hook_, NULL); } /* initialise the command dispatcher */ gboolean mixgtk_cmd_dispatcher_init (void) { if (!dis_data_.prompt) { dis_data_.prompt = mixgtk_widget_factory_get (MIXGTK_WIDGET_PROMPT); g_return_val_if_fail (dis_data_.prompt != NULL, FALSE); dis_data_.log = mixgtk_widget_factory_get (MIXGTK_WIDGET_LOG); g_return_val_if_fail (dis_data_.log != NULL, FALSE); } if (!dis_data_.dispatcher) { FILE *out = open_memstream (&(dis_data_.out_buffer), &(dis_data_.out_buffer_size)); g_return_val_if_fail (out != NULL, FALSE); dis_data_.out = out; dis_data_.dispatcher = mix_vm_cmd_dispatcher_new (out, out); mix_vm_cmd_dispatcher_print_time (dis_data_.dispatcher, FALSE); install_hooks_ (); } if (!dis_data_.status) { dis_data_.status = mixgtk_widget_factory_get (MIXGTK_WIDGET_STATUSBAR); g_return_val_if_fail (dis_data_.status != NULL, FALSE); dis_data_.context = gtk_statusbar_get_context_id (GTK_STATUSBAR (dis_data_.status), "cmd_dis_context"); } if (!dis_data_.completions) init_completions_ (); return TRUE; } /* dispatch an externally provided command */ void mixgtk_cmd_dispatcher_dispatch (const gchar *command) { GtkWidget *entry = dis_data_.prompt; g_return_if_fail (command != NULL); g_assert (entry != NULL); gtk_entry_set_text (GTK_ENTRY (entry), command); on_mixvm_cmd_entry_activate (entry, NULL); } /* get times */ void mixgtk_cmd_dispatcher_get_times (gint *uptime, gint *progtime, gint *laptime) { if (uptime != NULL) *uptime = mix_vm_cmd_dispatcher_get_uptime (dis_data_.dispatcher); if (progtime != NULL) *progtime = mix_vm_cmd_dispatcher_get_progtime (dis_data_.dispatcher); if (laptime != NULL) *laptime = mix_vm_cmd_dispatcher_get_laptime (dis_data_.dispatcher); } /* get the underlying vm */ extern mix_vm_t * mixgtk_cmd_dispatcher_get_vm (void) { return (mix_vm_t *) mix_vm_cmd_dispatcher_get_vm (dis_data_.dispatcher); } /* process new command */ void on_mixvm_cmd_entry_activate (GtkWidget *w, gpointer e) { gchar *text; GList *cmds = NULL; gchar *prefix = NULL; text = gtk_entry_get_text (GTK_ENTRY (w)); if (mix_vm_command_from_string (g_strchomp (text)) != MIX_CMD_INVALID) { mix_vm_cmd_dispatcher_dispatch_text (dis_data_.dispatcher, text); gtk_entry_set_text (GTK_ENTRY (w), ""); return; } cmds = g_completion_complete (dis_data_.completions, text, &prefix); if (prefix != NULL) { gtk_entry_set_text (GTK_ENTRY (w), prefix); g_free (prefix); if (g_list_length (cmds) > 1) { gint k = 0; gtk_text_insert (GTK_TEXT (dis_data_.log), NULL, NULL, NULL, "Completions:\n", -1); while (cmds) { ++k; gtk_text_insert (GTK_TEXT (dis_data_.log), NULL, NULL, NULL, (gchar *)(cmds->data), -1); gtk_text_insert (GTK_TEXT (dis_data_.log), NULL, NULL, NULL, " ", -1); if (k%5 == 0) gtk_text_insert (GTK_TEXT (dis_data_.log), NULL, NULL, NULL, "\n", -1); cmds = cmds->next; } if (k%5 != 0) gtk_text_insert (GTK_TEXT (dis_data_.log), NULL, NULL, NULL, "\n", -1); } else gtk_entry_append_text (GTK_ENTRY (w), " "); } else { mix_vm_cmd_dispatcher_dispatch_text (dis_data_.dispatcher, text); gtk_entry_set_text (GTK_ENTRY (w), ""); } }