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/* -*-c-*- -------------- mixgtk_mixal.c :
* Implementation of the functions declared in mixgtk_mixal.h
* ------------------------------------------------------------------
* $Id: mixgtk_mixal.c,v 1.21 2004/07/05 21:29:16 jao Exp $
* ------------------------------------------------------------------
* Copyright (C) 2001, 2002, 2004 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.
*
*/
#include <stdlib.h>
#include <string.h>
#include "mixgtk_widgets.h"
#include "mixgtk_config.h"
#include "mixgtk_fontsel.h"
#include "mixgtk_mixal.h"
static mix_vm_t *vm_ = NULL;
static GtkTreeView *clist_ = NULL;
static GtkListStore *clist_store_ = NULL;
static gulong lineno_;
static GtkStatusbar *status_ = NULL;
static gint status_context_ = 0;
static GPtrArray *tips_text_ = NULL;
static GtkWidget *symbols_dlg_ = NULL;
static GtkTreeView *symbols_view_ = NULL;
static GtkListStore *symbols_store_ = NULL;
static const gchar *SYMBOLS_VIEW_NAME_ = "symbols_view";
static const gchar *bp_stock_id_ = NULL;
static const gchar *pc_stock_id_ = NULL;
static const guint bp_stock_size_ = GTK_ICON_SIZE_MENU;
enum {
CLIST_BP_ID_COL,
CLIST_BP_SIZE_COL,
CLIST_ADDRESS_COL,
CLIST_BYTECODE_COL,
CLIST_CODE_COL,
CLIST_ADDRESS_NO_COL,
CLIST_LINE_NO_COL,
CLIST_COL_NO
};
enum {
SYMBOLS_NAME_COL,
SYMBOLS_VALUE_COL,
SYMBOLS_WORD_COL,
SYMBOLS_COL_NO
};
static gboolean
mixal_event_ (GtkWidget *w, GdkEvent *event, gpointer data);
static void
init_symbols_ (void)
{
GtkCellRenderer *renderer = gtk_cell_renderer_text_new ();
symbols_dlg_ = mixgtk_widget_factory_get_dialog (MIXGTK_SYMBOLS_DIALOG);
g_assert (symbols_dlg_);
symbols_view_ = GTK_TREE_VIEW
(mixgtk_widget_factory_get_child_by_name
(MIXGTK_SYMBOLS_DIALOG, SYMBOLS_VIEW_NAME_));
g_assert (symbols_view_);
mixgtk_fontsel_set_font (MIX_FONT_SYMBOLS, GTK_WIDGET (symbols_view_));
symbols_store_ = gtk_list_store_new (SYMBOLS_COL_NO,
G_TYPE_STRING,
G_TYPE_STRING,
G_TYPE_STRING);
gtk_tree_sortable_set_sort_column_id (GTK_TREE_SORTABLE (symbols_store_),
SYMBOLS_NAME_COL,
GTK_SORT_ASCENDING);
gtk_tree_view_set_model (symbols_view_, GTK_TREE_MODEL (symbols_store_));
g_object_unref (G_OBJECT (symbols_store_));
gtk_tree_view_append_column
(symbols_view_,
gtk_tree_view_column_new_with_attributes ("Name", renderer,
"text", SYMBOLS_NAME_COL,
NULL));
gtk_tree_view_append_column
(symbols_view_,
gtk_tree_view_column_new_with_attributes ("Value", renderer,
"text", SYMBOLS_VALUE_COL,
NULL));
gtk_tree_view_append_column
(symbols_view_,
gtk_tree_view_column_new_with_attributes ("", renderer,
"text", SYMBOLS_WORD_COL,
NULL));
}
static void
insert_symbol_ (gpointer symbol, gpointer value, gpointer data)
{
enum {DEC_SIZE = 25, WORD_SIZE = 20};
static gchar DEC[DEC_SIZE], WORD[WORD_SIZE];
GtkTreeIter iter;
mix_word_t w = (mix_word_t)GPOINTER_TO_INT (value);
g_snprintf (DEC, DEC_SIZE, "%s%ld",
mix_word_is_negative (w)? "-" : "+",
mix_word_magnitude (w));
mix_word_print_to_buffer (w, WORD);
gtk_list_store_append (symbols_store_, &iter);
gtk_list_store_set (symbols_store_, &iter,
SYMBOLS_NAME_COL, (const gchar*)symbol,
SYMBOLS_VALUE_COL, DEC,
SYMBOLS_WORD_COL, WORD,
-1);
}
static void
fill_symbols_ (const mix_symbol_table_t *table)
{
if (symbols_view_)
gtk_list_store_clear (symbols_store_);
else
init_symbols_ ();
mix_symbol_table_foreach (((mix_symbol_table_t *)table),
insert_symbol_, NULL);
}
static void
init_clist_ (void)
{
GtkStockItem item;
GtkCellRenderer *renderer = gtk_cell_renderer_text_new ();
GtkCellRenderer *bprenderer = gtk_cell_renderer_pixbuf_new ();
clist_ = GTK_TREE_VIEW (gtk_tree_view_new ());
clist_store_ = gtk_list_store_new (CLIST_COL_NO,
G_TYPE_STRING,
G_TYPE_INT,
G_TYPE_STRING,
G_TYPE_STRING,
G_TYPE_STRING,
G_TYPE_INT,
G_TYPE_INT);
gtk_tree_view_set_model (clist_, GTK_TREE_MODEL (clist_store_));
g_object_unref (G_OBJECT (clist_store_));
gtk_tree_view_set_rules_hint (clist_, TRUE);
gtk_tree_view_append_column
(clist_,
gtk_tree_view_column_new_with_attributes ("", bprenderer,
"stock-id", CLIST_BP_ID_COL,
"stock-size", CLIST_BP_SIZE_COL,
NULL));
gtk_tree_view_append_column
(clist_,
gtk_tree_view_column_new_with_attributes ("Address", renderer,
"text", CLIST_ADDRESS_COL,
NULL));
gtk_tree_view_append_column
(clist_,
gtk_tree_view_column_new_with_attributes ("Bytecode", renderer,
"text", CLIST_BYTECODE_COL,
NULL));
gtk_tree_view_append_column
(clist_,
gtk_tree_view_column_new_with_attributes ("Source", renderer,
"text", CLIST_CODE_COL,
NULL));
if (gtk_stock_lookup (GTK_STOCK_STOP, &item))
{
bp_stock_id_ = item.stock_id;
}
if (gtk_stock_lookup (GTK_STOCK_GO_FORWARD, &item))
{
pc_stock_id_ = item.stock_id;
}
symbols_dlg_ = NULL;
symbols_view_ = NULL;
g_signal_connect (G_OBJECT (clist_), "event",
G_CALLBACK (mixal_event_), NULL);
mixgtk_fontsel_set_font (MIX_FONT_MIXAL, GTK_WIDGET (clist_));
gtk_widget_show (GTK_WIDGET (clist_));
}
/* initialise the mixal widgets */
GtkWidget *
mixgtk_mixal_init (mix_vm_t *vm)
{
if (vm != NULL) vm_ = vm;
if (vm_ == NULL) return FALSE;
if (clist_ == NULL) init_clist_ ();
status_ = NULL;
return GTK_WIDGET (clist_);
}
void
mixgtk_mixal_reparent (GtkStatusbar *status)
{
g_assert (status != NULL);
mixgtk_mixal_pop_status ();
status_ = status;
status_context_ = gtk_statusbar_get_context_id (status_, "MIXAL status");
}
void
mixgtk_mixal_update_fonts (void)
{
mixgtk_fontsel_set_font (MIX_FONT_MIXAL, GTK_WIDGET (clist_));
mixgtk_fontsel_set_font (MIX_FONT_SYMBOLS, GTK_WIDGET (symbols_view_));
}
void
mixgtk_mixal_pop_status (void)
{
if (status_ != NULL)
gtk_statusbar_pop (status_, status_context_);
}
/* load the corresponding mixal file */
static void
update_tips_ (const mix_symbol_table_t *table,
const gchar *line)
{
enum {SIZE = 256};
static gchar BUFFER[256];
static const gchar *DELIMITERS = " /+*=-()\t,:\n";
if (line)
{
guint k = 0;
gchar *tip = g_strdup ("");
gchar *new_tip;
gchar **tokens;
gchar *text = g_strdup (line);
text = g_strdelimit (text, DELIMITERS, ' ');
tokens = g_strsplit (g_strstrip (text), " ", -1);
while (tokens[k])
{
if (mix_symbol_table_is_defined (table, tokens[k]))
{
mix_word_t val = mix_symbol_table_value (table, tokens[k]);
g_snprintf (BUFFER, SIZE, "[ %s = %s%ld ]", tokens[k],
mix_word_is_negative (val)? "-" : "+",
mix_word_magnitude (val));
new_tip = g_strconcat (tip, " ", BUFFER, NULL);
g_free (tip);
tip = new_tip;
}
++k;
}
g_ptr_array_add (tips_text_, (gpointer)tip);
g_strfreev (tokens);
g_free (text);
}
}
void
mixgtk_mixal_load_file (void)
{
enum {ADDR_SIZE = 20, CONT_SIZE = 200, WORD_SIZE = 20};
static gchar ADDR[ADDR_SIZE], CONT[CONT_SIZE], WORD[WORD_SIZE];
const mix_src_file_t *file;
GtkTreeIter iter;
g_assert (vm_);
g_assert (clist_);
gtk_list_store_clear (clist_store_);
if (tips_text_)
{
g_ptr_array_free (tips_text_, TRUE);
tips_text_ = NULL;
}
file = mix_vm_get_src_file (vm_);
if (file != NULL)
{
gint k;
mix_address_t addr;
const mix_symbol_table_t *table = mix_vm_get_symbol_table (vm_);
if (table) tips_text_ = g_ptr_array_new ();
lineno_ = mix_src_file_get_line_no (file);
for (k = 0; k < lineno_; ++k)
{
gchar *line =
g_strchomp ((gchar *)mix_src_file_get_line (file, k + 1));
g_snprintf (CONT, CONT_SIZE, " %03d: %s", k + 1, line);
addr = mix_vm_get_lineno_address (vm_, k + 1);
if (addr != MIX_VM_CELL_NO)
{
g_snprintf (ADDR, ADDR_SIZE, "%04d", mix_short_magnitude (addr));
mix_word_print_to_buffer (mix_vm_get_addr_contents (vm_, addr),
WORD);
}
else
{
g_snprintf (ADDR, ADDR_SIZE, _("N/A"));
g_snprintf (WORD, WORD_SIZE, _("N/A"));
}
gtk_list_store_append (clist_store_, &iter);
gtk_list_store_set (clist_store_, &iter,
CLIST_ADDRESS_NO_COL, mix_short_magnitude (addr),
CLIST_LINE_NO_COL, k + 1,
CLIST_ADDRESS_COL, ADDR,
CLIST_CODE_COL, CONT,
CLIST_BYTECODE_COL, WORD,
CLIST_BP_SIZE_COL, bp_stock_size_,
-1);
if (table) update_tips_ (table, line);
}
if (table) fill_symbols_ (table);
}
else
{
lineno_ = 0;
gtk_list_store_append (clist_store_, &iter);
gtk_list_store_set (clist_store_, &iter,
CLIST_ADDRESS_NO_COL, MIX_VM_CELL_NO,
CLIST_LINE_NO_COL, 0,
CLIST_ADDRESS_COL, "",
CLIST_CODE_COL, _("Source not available"),
CLIST_BYTECODE_COL, "",
-1);
}
}
/* update the widgets */
static gint
find_address_ (gint address)
{
GtkTreeIter iter;
gint addr;
gint row = 0;
gboolean valid =
gtk_tree_model_get_iter_first (GTK_TREE_MODEL (clist_store_), &iter);
while (valid)
{
++row;
gtk_tree_model_get (GTK_TREE_MODEL (clist_store_), &iter,
CLIST_ADDRESS_NO_COL, &addr, -1);
if (addr == address) return row;
valid = gtk_tree_model_iter_next (GTK_TREE_MODEL (clist_store_), &iter);
}
return 0;
}
static void
update_bp_ (gint row)
{
if (row > 0)
{
GtkTreePath *path = gtk_tree_path_new_from_indices (row - 1, -1);
GtkTreeIter iter;
if (gtk_tree_model_get_iter (GTK_TREE_MODEL (clist_store_), &iter, path))
{
gint address;
const gchar *id = NULL;
gtk_tree_model_get (GTK_TREE_MODEL (clist_store_), &iter,
CLIST_ADDRESS_NO_COL, &address, -1);
if (mix_vm_has_breakpoint_at_address (vm_, address))
id = bp_stock_id_;
else if (address ==
(gint) mix_short_magnitude (mix_vm_get_prog_count (vm_)))
id = pc_stock_id_;
gtk_list_store_set (clist_store_, &iter, CLIST_BP_ID_COL, id, -1);
}
gtk_tree_path_free (path);
}
}
static void
select_row_ (gint row)
{
static gint previous = 0;
if (row > 0 && previous != row)
{
GtkTreePath *path = gtk_tree_path_new_from_indices (row - 1, -1);
GtkTreeIter iter;
if (gtk_tree_model_get_iter (GTK_TREE_MODEL (clist_store_), &iter, path))
{
gtk_list_store_set (clist_store_, &iter,
CLIST_BP_ID_COL, pc_stock_id_,
-1);
update_bp_ (previous);
previous = row;
gtk_tree_view_scroll_to_cell (clist_, path, NULL, FALSE, 0.3, 0);
}
gtk_tree_path_free (path);
}
}
void
mixgtk_mixal_update (void)
{
gint addr = 0;
g_assert (vm_);
addr = (gint) mix_short_magnitude (mix_vm_get_prog_count (vm_));
select_row_ (find_address_ (addr));
}
/* breakpoints */
void
mixgtk_mixal_update_bp_at_address (guint addr)
{
update_bp_ (find_address_ ((gint)addr));
}
void
mixgtk_mixal_update_bp_at_line (guint line)
{
update_bp_ ((gint)line);
}
void
mixgtk_mixal_update_bp_all (void)
{
gint k;
for (k = 1; k <= lineno_; ++k) update_bp_ (k);
mixgtk_mixal_update ();
}
/* callbacks */
static void
mixal_row_clicked_ (GtkTreeIter *iter)
{
gint addr = MIX_VM_CELL_NO;
gtk_tree_model_get (GTK_TREE_MODEL (clist_store_),
iter, CLIST_ADDRESS_NO_COL, &addr, -1);
if (addr < MIX_VM_CELL_NO)
{
gboolean isset = mix_vm_has_breakpoint_at_address (vm_, addr);
if (isset)
mix_vm_clear_breakpoint_address (vm_, addr);
else
mix_vm_set_breakpoint_address (vm_, addr);
update_bp_ (find_address_ (addr));
}
}
static void
mixal_motion_ (GtkTreeIter *iter)
{
static gint last_row = 0;
static guint last_message = 0;
gint row = last_row;
gtk_tree_model_get (GTK_TREE_MODEL (clist_store_), iter,
CLIST_LINE_NO_COL, &row, -1);
if (row > 0 && row != last_row && tips_text_)
{
const gchar *msg = NULL;
last_row = row;
if (last_message)
gtk_statusbar_remove (status_, status_context_, last_message);
msg = (const gchar *)g_ptr_array_index (tips_text_, row - 1);
if (msg)
last_message = gtk_statusbar_push (status_, status_context_, msg);
else
last_message = 0;
}
}
static gboolean
mixal_event_ (GtkWidget *w, GdkEvent *event, gpointer data)
{
GdkEventType type = event->type;
if ((type == GDK_BUTTON_PRESS || type == GDK_MOTION_NOTIFY)
&& (gtk_tree_view_get_bin_window (clist_) == event->any.window))
{
gdouble x = (type == GDK_BUTTON_PRESS)? event->button.x : event->motion.x;
gdouble y = (type == GDK_BUTTON_PRESS)? event->button.y : event->motion.y;
GtkTreeIter iter;
GtkTreePath *path = NULL;
GtkTreeViewColumn *col = NULL;
if (gtk_tree_view_get_path_at_pos (clist_, x, y, &path, &col, NULL, NULL)
&& gtk_tree_model_get_iter (GTK_TREE_MODEL (clist_store_),
&iter, path))
{
if (type == GDK_BUTTON_PRESS) mixal_row_clicked_ (&iter);
else mixal_motion_ (&iter);
}
if (path) gtk_tree_path_free (path);
return TRUE;
}
return FALSE;
}
void
on_symbol_ok_clicked ()
{
gtk_widget_hide (symbols_dlg_);
}
void
on_symbols_activate ()
{
if (!symbols_dlg_) init_symbols_ ();
gtk_widget_show (symbols_dlg_);
}
void
on_mixal_leave_notify_event ()
{
if (status_ != NULL) gtk_statusbar_pop (status_, status_context_);
}
void
on_mixal_font_activate ()
{
GtkWidget *w[] = { GTK_WIDGET (clist_) };
mixgtk_fontsel_query_font (MIX_FONT_MIXAL, w, 1);
}
void
on_symbols_font_activate ()
{
if (symbols_view_ != NULL)
{
GtkWidget *w[] = { GTK_WIDGET (symbols_view_) };
mixgtk_fontsel_query_font (MIX_FONT_SYMBOLS, w, 1);
}
else
mixgtk_fontsel_query_font (MIX_FONT_SYMBOLS, NULL, 0);
}
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