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/* -*-c-*- ---------------- mixgtk_device.c :
* actual types for mixgtk devices
* ------------------------------------------------------------------
* Last change: Time-stamp: <2001-05-06 23:34:51 jao>
* ------------------------------------------------------------------
* 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.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;
GtkText *widget;
gint pos;
};
/* callbacks for output devices */
static void
write_char_ (struct mixgtk_device_t *dev, const mix_word_t *block)
{
enum {MAX_BLOCK = 16, BUFF_SIZE = MAX_BLOCK * 5 + 2};
static gchar BUFFER[BUFF_SIZE];
guint k, j;
for (k = 0; k < SIZES_[dev->device.type]; k++)
for (j = 1; j < 6; j++)
{
mix_char_t ch = mix_word_get_byte (block[k], j);
BUFFER[5 * k + j - 1] = mix_char_to_ascii (ch);
}
BUFFER[5 * k] = '\n';
BUFFER[5 * k + 1] = '\0';
gtk_text_insert (dev->widget, NULL, NULL, NULL, BUFFER, -1);
}
static void
write_bin_ (struct mixgtk_device_t *dev, const mix_word_t *block)
{
enum {BUFF_SIZE = 17, STEP = 10};
static gchar BUFFER[BUFF_SIZE] = { 0 };
guint k;
for (k = 0; k < SIZES_[dev->device.type]; k++)
{
mix_word_print_to_buffer (block[k], BUFFER);
gtk_text_insert (dev->widget, NULL, NULL, NULL, BUFFER, -1);
gtk_text_insert (dev->widget, NULL, NULL, NULL,
((k+1)%STEP != 0) ? " " : "\n", -1);
}
}
static gboolean
write_ (mix_device_t *dev, const mix_word_t *block)
{
struct mixgtk_device_t *gtkdev = (struct mixgtk_device_t *) dev;
if (dev->type != mix_dev_CONSOLE && !(DEF_DEV_VTABLE_->write)(dev, block))
return FALSE;
if (MODES_[dev->type] == mix_dev_CHAR) write_char_ (gtkdev, block);
else write_bin_ (gtkdev, block);
gtk_notebook_set_page (container_, gtkdev->pos);
return TRUE;
}
static gboolean
read_ (mix_device_t *dev, mix_word_t *block)
{
struct mixgtk_device_t *gtkdev = (struct mixgtk_device_t *) dev;
if (dev->type != mix_dev_CONSOLE && !(DEF_DEV_VTABLE_->read)(dev, block))
return FALSE;
if (MODES_[dev->type] == mix_dev_CHAR) write_char_ (gtkdev, block);
else write_bin_ (gtkdev, block);
gtk_notebook_set_page (container_, gtkdev->pos);
return TRUE;
}
static gboolean
ioc_ (mix_device_t *dev, mix_short_t cmd)
{
return (DEF_DEV_VTABLE_->ioc)(dev, cmd);
}
static gboolean
busy_ (const mix_device_t *dev)
{
return (DEF_DEV_VTABLE_->busy)(dev);
}
static mix_device_vtable_t MIXGTK_VTABLE_ = {write_, read_, ioc_, busy_};
/* create the gui part of the device */
static void
mixgtk_device_construct_gui_ (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 = NULL;
g_assert (label);
g_assert (box);
dev->widget = (GtkText *)gtk_text_new (NULL, NULL);
g_assert (dev->widget);
gtk_text_set_editable (dev->widget, FALSE);
scroll = gtk_vscrollbar_new (dev->widget->vadj);
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);
}
/* create a new mixgtk device */
static mix_device_t *
mixgtk_device_new_ (mix_device_type_t type)
{
struct mixgtk_device_t *dev = NULL;
gchar *name = NULL;
g_return_val_if_fail (type < mix_dev_INVALID, NULL);
dev = g_new (struct mixgtk_device_t, 1);
name = g_strconcat (g_get_home_dir(), "/",
MIXGTK_FILES_DIR, "/", DEF_NAMES_[type], NULL);
construct_device_with_name_ (&dev->device, type, name);
g_free (name);
dev->device.vtable = &MIXGTK_VTABLE_;
mixgtk_device_construct_gui_ (dev);
return (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_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);
mix_vm_set_device_factory (vm, mixgtk_device_new_);
/* connect default devices */
while (def_types[k] != mix_dev_INVALID)
{
struct mix_device_t *dev = mixgtk_device_new_ (def_types[k]);
if (dev != NULL) mix_vm_connect_device (vm, 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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