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/* -*-c-*- ---------------- mixgtk_device.c :
* actual types for mixgtk devices
* ------------------------------------------------------------------
* Last change: Time-stamp: <01/04/03 00:09:46 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 <stdio.h>
#include <mixlib/xmix_device.h>
#include "mixgtk_device.h"
/* device container */
static GtkNotebook *container_ = NULL;
/* virtual machine */
static mix_vm_t *vm_ = NULL;
/* a mixgtk device */
struct mixgtk_device_t
{
mix_device_t device;
gchar *buffer;
GtkText *widget;
gint pos;
};
/* callbacks for output devices */
static gboolean
write_out_ (mix_device_t *dev, const mix_word_t *block)
{
struct mixgtk_device_t *gtkdev = (struct mixgtk_device_t *) dev;
guint k, j;
for (k = 0; k < SIZES_[dev->type]; k++)
for (j = 1; j < 6; j++)
{
mix_char_t ch = mix_word_get_byte (block[k], j);
gtkdev->buffer[5 * k + j - 1] = mix_char_to_ascii (ch);
}
gtk_text_insert (gtkdev->widget, NULL, NULL, NULL, gtkdev->buffer, -1);
gtk_notebook_set_page (container_, gtkdev->pos);
return TRUE;
}
static gboolean
read_out_ (mix_device_t *dev, mix_word_t *block)
{
return TRUE;
}
static gboolean
ioc_out_ (mix_device_t *dev, mix_short_t cmd)
{
return TRUE;
}
static gboolean
busy_out_ (const mix_device_t *dev)
{
return TRUE;
}
static mix_device_vtable_t MIXGTK_OUT_VTABLE_;
/* create a new mixgtk device */
static struct mixgtk_device_t *
mixgtk_device_new_ (mix_device_type_t type)
{
struct mixgtk_device_t *dev = NULL;
g_return_val_if_fail (type < mix_dev_INVALID, NULL);
if (MODES_[type] == mix_dev_CHAR && FMODES_[type] == mix_io_WRITE)
{
dev = g_new (struct mixgtk_device_t, 1);
dev->device.file = NULL;
dev->device.type = type;
dev->device.vtable = &MIXGTK_OUT_VTABLE_;
dev->buffer = g_new (gchar, (SIZES_[type] * 5 + 2));
dev->buffer[SIZES_[type] * 5] = '\n';
dev->buffer[SIZES_[type] * 5 + 1] = '\0';
dev->widget = (GtkText *)gtk_text_new (NULL, NULL);
g_assert (dev->widget);
gtk_text_set_editable (dev->widget, FALSE);
}
return dev;
}
/* connect a device */
static void
mixgtk_device_connect_ (struct mixgtk_device_t *dev)
{
static gint last_pos = 0;
GtkWidget *label = gtk_label_new (DEF_NAMES_[dev->device.type]);
GtkWidget *box = gtk_hbox_new (0, 0);
GtkWidget *scroll = gtk_vscrollbar_new (dev->widget->vadj);
g_assert (label);
g_assert (box);
gtk_box_pack_start (GTK_BOX (box), GTK_WIDGET (dev->widget),
TRUE, TRUE, 0);
gtk_box_pack_start (GTK_BOX (box), scroll, FALSE, FALSE, 0);
dev->pos = last_pos++;
gtk_notebook_insert_page (container_, box, label, dev->pos);
gtk_widget_show (box);
gtk_widget_show (label);
gtk_widget_show (scroll);
gtk_widget_show (GTK_WIDGET (dev->widget));
gtk_widget_draw (GTK_WIDGET (container_), NULL);
(void) mix_vm_connect_device (vm_, (mix_device_t *)dev);
}
/* init default devices */
gboolean
mixgtk_device_init (GtkNotebook *container, mix_vm_t *vm)
{
static mix_device_type_t def_types[] = {
mix_dev_CONSOLE, mix_dev_PRINTER, mix_dev_PAPER_TAPE, mix_dev_INVALID
};
gint k = 0;
g_return_val_if_fail (container != NULL, FALSE);
g_return_val_if_fail (vm != NULL, FALSE);
container_ = container;
vm_ = vm;
/* remove dummy page from container */
gtk_notebook_remove_page (container_, 0);
/* initialise vtables */
MIXGTK_OUT_VTABLE_.write = write_out_;
MIXGTK_OUT_VTABLE_.read = read_out_;
MIXGTK_OUT_VTABLE_.ioc = ioc_out_;
MIXGTK_OUT_VTABLE_.busy = busy_out_;
/* connect default devices */
while (def_types[k] != mix_dev_INVALID)
{
struct mixgtk_device_t *dev = mixgtk_device_new_ (def_types[k]);
if (dev != NULL)
mixgtk_device_connect_ (dev);
++k;
}
/* set to first page */
gtk_notebook_set_page (container_, 0);
return TRUE;
}
/* connect a new (file-based) device */
gboolean
mixgtk_device_connect (mix_device_type_t type, const gchar *name);
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