diff options
Diffstat (limited to 'mixgtk/mixgtk_device.c')
| -rw-r--r-- | mixgtk/mixgtk_device.c | 155 |
1 files changed, 155 insertions, 0 deletions
diff --git a/mixgtk/mixgtk_device.c b/mixgtk/mixgtk_device.c new file mode 100644 index 0000000..2e231a4 --- /dev/null +++ b/mixgtk/mixgtk_device.c @@ -0,0 +1,155 @@ +/* -*-c-*- ---------------- mixgtk_device.c : + * actual types for mixgtk devices + * ------------------------------------------------------------------ + * Last change: Time-stamp: <01/03/05 01:13:40 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 <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; + char *buffer; + size_t buffer_len; + 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; + + if (!((DEF_DEV_VTABLE_->write) (dev, block))) return FALSE; + gtkdev = (struct mixgtk_device_t *) dev; + if (gtkdev->buffer_len > 0) + { + gtk_text_insert (gtkdev->widget, NULL, NULL, NULL, + gtkdev->buffer, gtkdev->buffer_len); + rewind (mix_io_to_FILE (gtkdev->device.file)); + gtk_notebook_set_page (container_, gtkdev->pos); + gtk_widget_draw (GTK_WIDGET (container_), NULL); + } + 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) + { + FILE *f; + dev = g_new (struct mixgtk_device_t, 1); + f = open_memstream (&(dev->buffer), &(dev->buffer_len)); + g_assert (f); + dev->device.file = mix_io_new (f); + dev->device.type = type; + dev->device.vtable = &MIXGTK_OUT_VTABLE_; + 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 = DEF_DEV_VTABLE_->read; + MIXGTK_OUT_VTABLE_.ioc = DEF_DEV_VTABLE_->ioc; + MIXGTK_OUT_VTABLE_.busy = DEF_DEV_VTABLE_->busy; + + /* 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); |