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/* -*-c-*- -------------- mixgtk_mixvm.c :
* Implementation of the functions declared in mixgtk_mixvm.h
* ------------------------------------------------------------------
* Last change: Time-stamp: "01/03/08 23:22:49 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.
*
*/
#include <mixlib/xmix_vm.h>
#include "mixgtk_widgets.h"
#include "mixgtk_mixvm.h"
/* register widgets */
#define REGISTER_NO_ (MIXGTK_WIDGET_rI6 - MIXGTK_WIDGET_rA + 1)
static GtkEntry *reg_entries_[REGISTER_NO_];
static GtkToggleButton *over_button_;
static GtkToggleButton *cmp_buttons_[3];
static GtkCList *memory_;
static mix_vm_t *vm_;
static void
update_register_ (mixgtk_widget_id_t reg)
{
static gchar BUFFER[20];
switch (reg)
{
case MIXGTK_WIDGET_rA:
mix_word_print_to_buffer (mix_vm_get_rA (vm_), BUFFER);
break;
case MIXGTK_WIDGET_rX:
mix_word_print_to_buffer (mix_vm_get_rX (vm_), BUFFER);
break;
case MIXGTK_WIDGET_rJ:
mix_short_print_to_buffer (mix_vm_get_rJ (vm_), BUFFER);
break;
case MIXGTK_WIDGET_rI1:
case MIXGTK_WIDGET_rI2:
case MIXGTK_WIDGET_rI3:
case MIXGTK_WIDGET_rI4:
case MIXGTK_WIDGET_rI5:
case MIXGTK_WIDGET_rI6:
mix_short_print_to_buffer (mix_vm_get_rI (vm_,
reg - MIXGTK_WIDGET_rI1 + 1),
BUFFER);
break;
default:
g_assert_not_reached ();
}
gtk_entry_set_text (reg_entries_[reg - MIXGTK_WIDGET_rA], BUFFER);
}
static void
on_mem_adj_change_ (GtkAdjustment *adj)
{
mixgtk_mixvm_update_cells ();
}
/* initialise the mixvm widgets */
gboolean
mixgtk_mixvm_init (mix_vm_t *vm)
{
int k;
gchar *text[] = {"", ""};
GtkWidget *scrol;
GtkAdjustment *adj;
g_return_val_if_fail (vm != NULL, FALSE);
vm_ = vm;
for (k = 0; k < REGISTER_NO_; ++k)
{
reg_entries_[k] =
GTK_ENTRY (mixgtk_widget_factory_get (MIXGTK_WIDGET_rA + k));
g_return_val_if_fail (reg_entries_[k] != NULL, FALSE);
}
over_button_ =
GTK_TOGGLE_BUTTON (mixgtk_widget_factory_get (MIXGTK_WIDGET_OVER));
g_return_val_if_fail (over_button_ != NULL, FALSE);
for (k = 0; k < 3; ++k)
{
cmp_buttons_[k] =
GTK_TOGGLE_BUTTON (mixgtk_widget_factory_get (MIXGTK_WIDGET_CMP_L +k));
g_return_val_if_fail (cmp_buttons_[k] != NULL, FALSE);
}
memory_ = GTK_CLIST (mixgtk_widget_factory_get (MIXGTK_WIDGET_CELLS));
g_return_val_if_fail (memory_ != NULL, FALSE);
gtk_clist_set_column_justification (memory_, 0, GTK_JUSTIFY_CENTER);
gtk_clist_set_column_justification (memory_, 1, GTK_JUSTIFY_CENTER);
gtk_clist_freeze (memory_);
for (k = 0; k< MIX_VM_CELL_NO; ++k)
{
gchar buffer[20];
sprintf (buffer, "%04d", k);
text[0] = buffer;
gtk_clist_append (memory_, text);
}
gtk_clist_thaw (memory_);
scrol = mixgtk_widget_factory_get_by_name ("memory_scroll");
adj = gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW (scrol));
gtk_signal_connect (GTK_OBJECT (adj), "value_changed",
GTK_SIGNAL_FUNC (on_mem_adj_change_), NULL);
mixgtk_mixvm_update_vm_widgets ();
return TRUE;
}
/* update register widgets */
void
mixgtk_mixvm_update_registers (void)
{
gint k;
for (k = MIXGTK_WIDGET_rA; k <= MIXGTK_WIDGET_rI6; ++k)
update_register_ (k);
}
/* update the overflow toggle */
void
mixgtk_mixvm_update_over_toggle (void)
{
g_assert (over_button_ != NULL);
gtk_toggle_button_set_active (over_button_,
mix_vm_get_overflow (vm_));
}
/* update the comparison flag */
void
mixgtk_mixvm_update_cmp (void)
{
gint toggle;
toggle = mix_vm_get_cmpflag (vm_);
gtk_toggle_button_set_active (cmp_buttons_[toggle], TRUE);
}
/* update the memory cells */
void
mixgtk_mixvm_update_cells (void)
{
static gchar BUFFER[20];
gint k = 0;
gtk_clist_freeze (memory_);
while (gtk_clist_row_is_visible (memory_, k) == GTK_VISIBILITY_NONE) ++k;
while (gtk_clist_row_is_visible (memory_, k) != GTK_VISIBILITY_NONE)
{
mix_word_print_to_buffer (mix_vm_get_addr_contents (vm_, k), BUFFER);
gtk_clist_set_text (memory_, k, 1, BUFFER);
++k;
}
gtk_clist_thaw (memory_);
}
/* update all mixvm widgets */
void
mixgtk_mixvm_update_vm_widgets (void)
{
mixgtk_mixvm_update_registers ();
mixgtk_mixvm_update_over_toggle ();
mixgtk_mixvm_update_cmp ();
mixgtk_mixvm_update_cells ();
}
/* update cmp flag */
void
on_cmp_e_toggled (GtkWidget *widget, gpointer data)
{
if (GTK_TOGGLE_BUTTON (widget)->active)
mix_vm_set_cmpflag (vm_, mix_EQ);
}
void
on_cmp_l_toggled (GtkWidget *widget, gpointer data)
{
if (GTK_TOGGLE_BUTTON (widget)->active)
mix_vm_set_cmpflag (vm_, mix_LESS);
}
void
on_cmp_g_toggled (GtkWidget *widget, gpointer data)
{
if (GTK_TOGGLE_BUTTON (widget)->active)
mix_vm_set_cmpflag (vm_, mix_GREAT);
}
void
on_overflow_toggled (GtkWidget *widget, gpointer data)
{
mix_vm_set_overflow (vm_, GTK_TOGGLE_BUTTON (widget)->active);
}
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