diff options
Diffstat (limited to 'mixgtk/mixgtk_cmd_dispatcher.c')
| -rw-r--r-- | mixgtk/mixgtk_cmd_dispatcher.c | 314 |
1 files changed, 314 insertions, 0 deletions
diff --git a/mixgtk/mixgtk_cmd_dispatcher.c b/mixgtk/mixgtk_cmd_dispatcher.c new file mode 100644 index 0000000..11acc1d --- /dev/null +++ b/mixgtk/mixgtk_cmd_dispatcher.c @@ -0,0 +1,314 @@ +/* -*-c-*- -------------- mixgtk_cmd_dispatcher.c : + * Implementation of the functions declared in mixgtk_cmd_dispatcher.h + * ------------------------------------------------------------------ + * Last change: Time-stamp: "01/03/15 16:01:43 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 <stdlib.h> +#include <stdio.h> +#include <mixlib/mix_vm_command.h> +#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), ""); + } +} |