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Sourcecode: nautilus-cd-burner version File versions

bacon-cd-selection.c

/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/* 
 * Copyright (C) 2002-2004 Bastien Nocera <hadess@hadess.net>
 *
 * bacon-cd-selection.c
 *
 * 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.
 *
 * Authors: Bastien Nocera <hadess@hadess.net>
 */

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#include <glib.h>
#include <glib/gi18n.h>

#include <string.h>

#include <gtk/gtkmenu.h>
#include <gtk/gtkcombobox.h>
#include <gtk/gtkliststore.h>
#include <gtk/gtkcelllayout.h>
#include <gtk/gtkcellrenderertext.h>

#include "bacon-cd-selection.h"
#include "cd-drive.h"

/* Signals */
enum {
      DEVICE_CHANGED,
      LAST_SIGNAL
};

/* Arguments */
enum {
      PROP_0,
      PROP_DEVICE,
      PROP_FILE_IMAGE,
      PROP_RECORDERS_ONLY,
};

struct BaconCdSelectionPrivate {
      GList *cdroms;
      gboolean have_file_image;
      gboolean show_recorders_only;
};

static void bacon_cd_selection_init (BaconCdSelection *bcs);

static void bacon_cd_selection_set_property (GObject *object, guint property_id,
            const GValue *value, GParamSpec *pspec);
static void bacon_cd_selection_get_property (GObject *object, guint property_id,
            GValue *value, GParamSpec *pspec);

static void bacon_cd_selection_finalize (GObject *object);

static GtkWidgetClass *parent_class = NULL;

static int bcs_table_signals[LAST_SIGNAL] = { 0 };

static CDDrive *
get_drive (BaconCdSelection *bcs, int nr)
{
      GList *item;

      item = g_list_nth (bcs->priv->cdroms, nr);
      if (item == NULL)
            return NULL;
      else
            return item->data;
}

G_DEFINE_TYPE(BaconCdSelection, bacon_cd_selection, GTK_TYPE_COMBO_BOX)

static void
bacon_cd_selection_class_init (BaconCdSelectionClass *klass)
{
      GObjectClass *object_class;
      GtkWidgetClass *widget_class;

      object_class = (GObjectClass *) klass;
      widget_class = (GtkWidgetClass *) klass;

      parent_class = gtk_type_class (gtk_combo_box_get_type ());

      /* GObject */
      object_class->set_property = bacon_cd_selection_set_property;
      object_class->get_property = bacon_cd_selection_get_property;
      object_class->finalize = bacon_cd_selection_finalize;

      /* Properties */
      g_object_class_install_property (object_class, PROP_DEVICE,
                  g_param_spec_string ("device", NULL, NULL,
                        NULL, G_PARAM_READWRITE));
      g_object_class_install_property (object_class, PROP_FILE_IMAGE,
                  g_param_spec_boolean ("file-image", NULL, NULL,
                        FALSE, G_PARAM_READWRITE));
      g_object_class_install_property (object_class, PROP_RECORDERS_ONLY,
                  g_param_spec_boolean ("show-recorders-only", NULL, NULL,
                        FALSE, G_PARAM_READWRITE));

      /* Signals */
      bcs_table_signals[DEVICE_CHANGED] =
            g_signal_new ("device-changed",
                        G_TYPE_FROM_CLASS (object_class),
                        G_SIGNAL_RUN_LAST,
                        G_STRUCT_OFFSET (BaconCdSelectionClass,
                              device_changed),
                        NULL, NULL,
                        g_cclosure_marshal_VOID__STRING,
                        G_TYPE_NONE, 1, G_TYPE_STRING);
}

static void
combo_device_changed (GtkComboBox *combo, gpointer user_data)
{
      BaconCdSelection *bcs = (BaconCdSelection *) user_data;
      CDDrive *drive;
      int i;

      i = gtk_combo_box_get_active (GTK_COMBO_BOX (bcs));
      /* No selection */
      if (i < 0) {
            g_signal_emit (G_OBJECT (bcs),
                        bcs_table_signals[DEVICE_CHANGED],
                        0, NULL);
            return;
      }
      drive = get_drive (bcs, i);
      if (drive == NULL)
            return;

      g_signal_emit (G_OBJECT (bcs),
                   bcs_table_signals[DEVICE_CHANGED],
                   0, drive->device);
}

static void
cdrom_combo_box (BaconCdSelection *bcs, gboolean show_recorders_only, gboolean show_file_image)
{
      GList *l;
      CDDrive *cdrom;

      bcs->priv->cdroms = scan_for_cdroms (show_recorders_only, show_file_image);

      for (l = bcs->priv->cdroms; l != NULL; l = l->next)
      {
            cdrom = l->data;

            if (cdrom->display_name == NULL) {
                  g_warning ("cdrom->display_name != NULL failed");
            }

            gtk_combo_box_append_text (GTK_COMBO_BOX (bcs),
                        cdrom->display_name
                        ? cdrom->display_name : _("Unnamed CDROM"));
      }
      gtk_combo_box_set_active (GTK_COMBO_BOX (bcs), 0);

      if (bcs->priv->cdroms == NULL) {
            gtk_widget_set_sensitive (GTK_WIDGET (bcs), FALSE);
      }
}

static void
bacon_cd_selection_init (BaconCdSelection *bcs)
{
      bcs->priv = g_new0 (BaconCdSelectionPrivate, 1);
  
      GtkCellRenderer *cell;
      GtkListStore *store;

  store = gtk_list_store_new (1, G_TYPE_STRING);
      gtk_combo_box_set_model (GTK_COMBO_BOX (bcs),
                  GTK_TREE_MODEL (store));

      cell = gtk_cell_renderer_text_new ();
      gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (bcs), cell, TRUE);
      gtk_cell_layout_set_attributes (GTK_CELL_LAYOUT (bcs), cell,
                  "text", 0,
                  NULL);

      cdrom_combo_box (bcs, FALSE, FALSE);

      g_signal_connect (G_OBJECT (bcs), "changed",
                  G_CALLBACK (combo_device_changed), bcs);
}

static void
bacon_cd_selection_finalize (GObject *object)
{
      GList *l;
      BaconCdSelection *bcs = (BaconCdSelection *) object;

      g_return_if_fail (bcs != NULL);
      g_return_if_fail (BACON_IS_CD_SELECTION (bcs));

      l = bcs->priv->cdroms;
      while (l != NULL)
      {
            CDDrive *cdrom = l->data;

            l = g_list_remove (l, cdrom);
            cd_drive_free (cdrom);
      }

      g_free (bcs->priv);
      bcs->priv = NULL;

      if (G_OBJECT_CLASS (parent_class)->finalize != NULL) {
            (* G_OBJECT_CLASS (parent_class)->finalize) (object);
      }
}

GtkWidget *
bacon_cd_selection_new (void)
{
  return GTK_WIDGET(g_object_new (bacon_cd_selection_get_type (), NULL));
}

static void
bacon_cd_selection_set_have_file_image (BaconCdSelection *bcs,
            gboolean have_file_image)
{
      CDDrive *cdrom;

      g_return_if_fail (bcs != NULL);
      g_return_if_fail (BACON_IS_CD_SELECTION (bcs));

      if (bcs->priv->have_file_image == have_file_image) {
            return;
      }

      if (have_file_image == FALSE)
      {
            GList *item;
            int index;

            index = g_list_length (bcs->priv->cdroms) - 1;
            gtk_combo_box_remove_text (GTK_COMBO_BOX (bcs), index);

            item = g_list_last (bcs->priv->cdroms);
            cdrom = (CDDrive *)item->data;
            cd_drive_free (cdrom);
            bcs->priv->cdroms = g_list_delete_link
                  (bcs->priv->cdroms, item);
            gtk_widget_set_sensitive (GTK_WIDGET (bcs), (bcs->priv->cdroms != NULL));
      } else {
            gboolean activate = FALSE;

            cdrom = cd_drive_get_file_image ();
            gtk_combo_box_append_text (GTK_COMBO_BOX (bcs),
                        cdrom->display_name);
            if (bcs->priv->cdroms == NULL) {
                  activate = TRUE;
            }
            bcs->priv->cdroms = g_list_append (bcs->priv->cdroms, cdrom);
            gtk_widget_set_sensitive (GTK_WIDGET (bcs), TRUE);
            if (activate != FALSE) {
                  gtk_combo_box_set_active (GTK_COMBO_BOX (bcs), 0);
            }
      }

      bcs->priv->have_file_image = have_file_image;
}

static gint
compare_drives (CDDrive *drive1, CDDrive *drive2)
{
      if (!drive1 || !drive2)
            return 1;

      if ((drive1->type & CDDRIVE_TYPE_FILE)
          && (drive2->type & CDDRIVE_TYPE_FILE))
            return 0;

      if (!drive1->device || !drive2->device)
            return 1;

      return strcmp (drive1->device, drive2->device);
}

static void
bacon_cd_selection_set_recorders_only (BaconCdSelection *bcs,
                               gboolean recorders_only)
{

      g_return_if_fail (bcs != NULL);
      g_return_if_fail (BACON_IS_CD_SELECTION (bcs));

      if (bcs->priv->show_recorders_only == recorders_only)
            return;

      g_signal_handlers_block_by_func (G_OBJECT (bcs),
                  combo_device_changed, bcs);

      if (recorders_only == TRUE) {
            GList *l = g_list_last (bcs->priv->cdroms);
            int i = g_list_length (bcs->priv->cdroms);

            while (l) {
                  GList *prev = l->prev;
                  CDDrive *drive = l->data;

                  i--;

                  if (!(drive->type & CDDRIVE_TYPE_CD_RECORDER
                        || drive->type & CDDRIVE_TYPE_CDRW_RECORDER
                        || drive->type & CDDRIVE_TYPE_DVD_RAM_RECORDER
                        || drive->type & CDDRIVE_TYPE_DVD_RW_RECORDER
                        || drive->type & CDDRIVE_TYPE_FILE)) {
                        gtk_combo_box_remove_text (GTK_COMBO_BOX (bcs), i);
                        cd_drive_free (drive);
                        bcs->priv->cdroms = g_list_delete_link (bcs->priv->cdroms, l);
                  }

                  l = prev;
            }

            /* Removing entries from the combo box may have invalidated
             * the currently selected one 
             */
            if (gtk_combo_box_get_active (GTK_COMBO_BOX (bcs)) == -1) {
                  gtk_combo_box_set_active (GTK_COMBO_BOX (bcs), 0);
            }
      } else {
            GList *drives = scan_for_cdroms (recorders_only, bcs->priv->have_file_image);
            GList *l;
            int i = g_list_length (bcs->priv->cdroms);

            gtk_widget_set_sensitive (GTK_WIDGET (bcs), (drives != NULL));

            if (bcs->priv->have_file_image)
                  i--;

            for (l = drives; l != NULL; l = l->next) {
                  CDDrive *drive = l->data;

                  if (!g_list_find_custom (bcs->priv->cdroms,
                                     drive,
                                     (GCompareFunc)compare_drives)) {
                        gtk_combo_box_insert_text (GTK_COMBO_BOX (bcs),
                                             i,
                                             drive->display_name);
                        bcs->priv->cdroms = g_list_insert (bcs->priv->cdroms,
                                                   drive,
                                                   i);
                  } else {
                        cd_drive_free (drive);
                  }
            }
            g_list_free (drives);
      }

      g_signal_handlers_unblock_by_func (G_OBJECT (bcs),
                  combo_device_changed, bcs);

      /* Force a signal out */
      combo_device_changed (NULL, (gpointer) bcs);

      bcs->priv->show_recorders_only = recorders_only;
}

/* Properties */
static void
bacon_cd_selection_set_property (GObject *object, guint property_id,
            const GValue *value, GParamSpec *pspec)
{
      BaconCdSelection *bcs;

      g_return_if_fail (BACON_IS_CD_SELECTION (object));

      bcs = BACON_CD_SELECTION (object);

      switch (property_id)
      {
      case PROP_DEVICE:
            bacon_cd_selection_set_device (bcs, g_value_get_string (value));
            break;
      case PROP_FILE_IMAGE:
            bacon_cd_selection_set_have_file_image (bcs,
                        g_value_get_boolean (value));
            break;
      case PROP_RECORDERS_ONLY:
            bacon_cd_selection_set_recorders_only (bcs,
                        g_value_get_boolean (value));
            break;
      default:
            G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
      }
}

static void
bacon_cd_selection_get_property (GObject *object, guint property_id,
            GValue *value, GParamSpec *pspec)
{
      BaconCdSelection *bcs;

      g_return_if_fail (BACON_IS_CD_SELECTION (object));

      bcs = BACON_CD_SELECTION (object);

      switch (property_id)
      {
      case PROP_DEVICE:
            g_value_set_string (value, bacon_cd_selection_get_device (bcs));
            break;
      case PROP_FILE_IMAGE:
            g_value_set_boolean (value, bcs->priv->have_file_image);
            break;
      case PROP_RECORDERS_ONLY:
            g_value_set_boolean (value, bcs->priv->show_recorders_only);
            break;
      default:
            G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
      }
}

const char *
bacon_cd_selection_get_default_device (BaconCdSelection *bcs)
{
      GList *l;
      CDDrive *drive;

      g_return_val_if_fail (bcs != NULL, "/dev/cdrom");
      g_return_val_if_fail (BACON_IS_CD_SELECTION (bcs), "/dev/cdrom");

      l = bcs->priv->cdroms;
      if (bcs->priv->cdroms == NULL)
            return "/dev/cdrom";

      drive = l->data;

      return drive->device;
}

void
bacon_cd_selection_set_device (BaconCdSelection *bcs, const char *device)
{
      GList *l;
      CDDrive *drive;
      gboolean found;
      int i;

      found = FALSE;
      i = -1;

      g_return_if_fail (bcs != NULL);
      g_return_if_fail (BACON_IS_CD_SELECTION (bcs));

      for (l = bcs->priv->cdroms; l != NULL && found == FALSE;
                  l = l->next)
      {
            i++;

            drive = l->data;

            if (strcmp (drive->device, device) == 0)
                  found = TRUE;
      }

      if (found)
      {
            gtk_combo_box_set_active (GTK_COMBO_BOX (bcs), i);
      } else {
            /* If the device doesn't exist, set it back to
             * the default */
            gtk_combo_box_set_active (GTK_COMBO_BOX (bcs), 0);

            drive = get_drive (bcs, 0);

            if (drive == NULL)
                  return;

            g_signal_emit (G_OBJECT (bcs),
                        bcs_table_signals [DEVICE_CHANGED],
                        0, drive->device);
      }
}

const char *
bacon_cd_selection_get_device (BaconCdSelection *bcs)
{
      CDDrive *drive;
      int i;

      g_return_val_if_fail (bcs != NULL, NULL);
      g_return_val_if_fail (BACON_IS_CD_SELECTION (bcs), NULL);

      i = gtk_combo_box_get_active (GTK_COMBO_BOX (bcs));
      drive = get_drive (bcs, i);

      return drive ? drive->device : NULL;
}

const CDDrive *
bacon_cd_selection_get_cdrom (BaconCdSelection *bcs)
{
      CDDrive *drive;
      int i;

      g_return_val_if_fail (bcs != NULL, NULL);
      g_return_val_if_fail (BACON_IS_CD_SELECTION (bcs), NULL);

      i = gtk_combo_box_get_active (GTK_COMBO_BOX (bcs));
      drive = get_drive (bcs, i);

      return drive;
}


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