gschem_action.c

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/* gEDA - GPL Electronic Design Automation
 * gschem - gEDA Schematic Capture
 * Copyright (C) 1998-2010 Ales Hvezda
 * Copyright (C) 1998-2010 gEDA Contributors (see ChangeLog for details)
 *
 * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 */

#include <config.h>

#include "gschem.h"


enum {
  PROP_MULTIKEY_ACCEL = 1,
};


static GObjectClass *gschem_action_parent_class = NULL;


static void gschem_action_finalize (GObject *object)
{
  GschemAction *action = GSCHEM_ACTION (object);

  g_free (action->multikey_accel);

  G_OBJECT_CLASS (gschem_action_parent_class)->finalize (object);
}


static void gschem_action_set_property (GObject *object, guint property_id, const GValue *value, GParamSpec *pspec)
{
  GschemAction *action = GSCHEM_ACTION (object);

  switch(property_id) {
    case PROP_MULTIKEY_ACCEL:
      g_free (action->multikey_accel);
      action->multikey_accel = g_strdup (g_value_get_string (value));
      break;
    default:
      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
  }
}


static void gschem_action_get_property (GObject *object, guint property_id, GValue *value, GParamSpec *pspec)
{
  GschemAction *action = GSCHEM_ACTION (object);

  switch(property_id) {
    case PROP_MULTIKEY_ACCEL:
      g_value_set_string (value, action->multikey_accel);
      break;
    default:
      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
  }

}

static void
gschem_action_connect_proxy (GtkAction *action,
                             GtkWidget *proxy)
{
  GschemAction *gs_action = GSCHEM_ACTION (action);
  char *label_string;

  /* Override the type of label widget used with the menu item */
  if (GTK_IS_MENU_ITEM (proxy)) {
    GtkWidget *label;

    label = GTK_BIN (proxy)->child;

    /* make sure label is a GschemAccelLabel */
    if (label && !GSCHEM_IS_ACCEL_LABEL (label)) {
      gtk_container_remove (GTK_CONTAINER (proxy), label);
      label = NULL;
    }

    if (label == NULL) {
      g_object_get (action, "label", &label_string, NULL);
      (void) g_object_new (GSCHEM_TYPE_ACCEL_LABEL,
               "use-underline", TRUE,
               "xalign", 0.0,
               "visible", TRUE,
               "parent", proxy,
               "label", label_string,
               "accel-string", gs_action->multikey_accel,
               NULL);
    }
  }

  /* Let the parent class do its work now we've fiddled with the label */
  GTK_ACTION_CLASS (gschem_action_parent_class)->connect_proxy (action, proxy);
}


static void gschem_action_class_init (GschemActionClass *klass)
{
  GObjectClass     *gobject_class = G_OBJECT_CLASS (klass);
  GtkActionClass *gtkaction_class = GTK_ACTION_CLASS (klass);

  gtkaction_class->connect_proxy  = gschem_action_connect_proxy;

  gobject_class->finalize      = gschem_action_finalize;
  gobject_class->set_property  = gschem_action_set_property;
  gobject_class->get_property  = gschem_action_get_property;

  gschem_action_parent_class = g_type_class_peek_parent (klass);

  g_object_class_install_property (
    gobject_class, PROP_MULTIKEY_ACCEL,
    g_param_spec_string ("multikey-accel",
                         "",
                         "",
                         NULL,
                         G_PARAM_READWRITE));
}


GType gschem_action_get_type ()
{
  static GType gschem_action_type = 0;

  if (!gschem_action_type) {
    static const GTypeInfo gschem_action_info = {
      sizeof(GschemActionClass),
      NULL, /* base_init */
      NULL, /* base_finalize */
      (GClassInitFunc) gschem_action_class_init,
      NULL, /* class_finalize */
      NULL, /* class_data */
      sizeof(GschemAction),
      0,    /* n_preallocs */
      NULL, /* instance_init */
    };

    gschem_action_type = g_type_register_static (GTK_TYPE_ACTION,
                                                 "GschemAction",
                                                 &gschem_action_info, 0);
  }

  return gschem_action_type;
}


GschemAction *gschem_action_new (const gchar *name,
                                 const gchar *label,
                                 const gchar *tooltip,
                                 const gchar *stock_id,
                                 const gchar *multikey_accel)
{
  g_return_val_if_fail (name != NULL, NULL);

  return g_object_new (GSCHEM_TYPE_ACTION,
                       "name", name,
                       "label", label,
                       "tooltip", tooltip,
                       "stock-id", stock_id,
                       "multikey-accel", multikey_accel,
                       NULL);
}