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/*
* ld-library-pane.c
*
* This file is a part of logdiag.
* Copyright Přemysl Janouch 2011. All rights reserved.
*
* See the file LICENSE for licensing information.
*
*/
#include "liblogdiag.h"
#include "config.h"
/**
* SECTION:ld-library-pane
* @short_description: A library pane
* @see_also: #LdLibrary
*
* #LdLibraryPane enables the user to drag symbols from an #LdLibrary
* onto #LdDiagramView.
*/
/*
* LdLibraryPanePrivate:
* @library: a library object assigned as a model.
*/
struct _LdLibraryPanePrivate
{
LdLibrary *library;
};
enum
{
PROP_0,
PROP_LIBRARY
};
static void ld_library_pane_get_property (GObject *object, guint property_id,
GValue *value, GParamSpec *pspec);
static void ld_library_pane_set_property (GObject *object, guint property_id,
const GValue *value, GParamSpec *pspec);
static void ld_library_pane_dispose (GObject *gobject);
static void reload_library (LdLibraryPane *self);
static void load_category_cb (gpointer data, gpointer user_data);
G_DEFINE_TYPE (LdLibraryPane, ld_library_pane, GTK_TYPE_VBOX);
static void
ld_library_pane_class_init (LdLibraryPaneClass *klass)
{
GObjectClass *object_class;
GParamSpec *pspec;
object_class = G_OBJECT_CLASS (klass);
object_class->get_property = ld_library_pane_get_property;
object_class->set_property = ld_library_pane_set_property;
object_class->dispose = ld_library_pane_dispose;
/**
* LdLibraryPane:library:
*
* The #LdLibrary that this toolbar retrieves symbols from.
*/
pspec = g_param_spec_object ("library", "Library",
"The library that this toolbar retrieves symbols from.",
LD_TYPE_LIBRARY, G_PARAM_READWRITE);
g_object_class_install_property (object_class, PROP_LIBRARY, pspec);
g_type_class_add_private (klass, sizeof (LdLibraryPanePrivate));
}
static void
ld_library_pane_init (LdLibraryPane *self)
{
self->priv = G_TYPE_INSTANCE_GET_PRIVATE
(self, LD_TYPE_LIBRARY_PANE, LdLibraryPanePrivate);
}
static void
ld_library_pane_dispose (GObject *gobject)
{
LdLibraryPane *self;
self = LD_LIBRARY_PANE (gobject);
ld_library_pane_set_library (self, NULL);
/* Chain up to the parent class. */
G_OBJECT_CLASS (ld_library_pane_parent_class)->dispose (gobject);
}
static void
ld_library_pane_get_property (GObject *object, guint property_id,
GValue *value, GParamSpec *pspec)
{
LdLibraryPane *self;
self = LD_LIBRARY_PANE (object);
switch (property_id)
{
case PROP_LIBRARY:
g_value_set_object (value, ld_library_pane_get_library (self));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}
}
static void
ld_library_pane_set_property (GObject *object, guint property_id,
const GValue *value, GParamSpec *pspec)
{
LdLibraryPane *self;
self = LD_LIBRARY_PANE (object);
switch (property_id)
{
case PROP_LIBRARY:
ld_library_pane_set_library (self,
LD_LIBRARY (g_value_get_object (value)));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}
}
/**
* ld_library_pane_new:
*
* Create an instance.
*/
GtkWidget *
ld_library_pane_new (void)
{
return g_object_new (LD_TYPE_LIBRARY_PANE, NULL);
}
/**
* ld_library_pane_set_library:
* @self: an #LdLibraryPane object.
* @library: (allow-none): the library to be assigned to the pane.
*
* Assign an #LdLibrary object to the pane.
*/
void
ld_library_pane_set_library (LdLibraryPane *self, LdLibrary *library)
{
g_return_if_fail (LD_IS_LIBRARY_PANE (self));
g_return_if_fail (LD_IS_LIBRARY (library) || library == NULL);
if (self->priv->library)
{
g_signal_handlers_disconnect_by_func (self->priv->library,
reload_library, self);
g_object_unref (self->priv->library);
}
self->priv->library = library;
if (library)
{
g_signal_connect_data (library, "changed",
G_CALLBACK (reload_library), self,
NULL, G_CONNECT_AFTER | G_CONNECT_SWAPPED);
g_object_ref (library);
}
reload_library (self);
g_object_notify (G_OBJECT (self), "library");
}
/**
* ld_library_pane_get_library:
* @self: an #LdLibraryPane object.
*
* Return value: (transfer none): the #LdLibrary object
* assigned to the pane.
*/
LdLibrary *
ld_library_pane_get_library (LdLibraryPane *self)
{
g_return_val_if_fail (LD_IS_LIBRARY_PANE (self), NULL);
return self->priv->library;
}
static void
reload_library (LdLibraryPane *self)
{
g_return_if_fail (LD_IS_LIBRARY_PANE (self));
/* Clear the toolbar first, if there was already something in it. */
gtk_container_foreach (GTK_CONTAINER (self),
(GtkCallback) gtk_widget_destroy, NULL);
if (self->priv->library)
{
GSList *categories;
categories = (GSList *) ld_category_get_children
(ld_library_get_root (self->priv->library));
g_slist_foreach (categories, load_category_cb, self);
}
}
static void
load_category_cb (gpointer data, gpointer user_data)
{
LdLibraryPane *self;
LdCategory *cat;
GtkExpander *expander;
const gchar *human_name;
g_return_if_fail (LD_IS_LIBRARY_PANE (user_data));
g_return_if_fail (LD_IS_CATEGORY (data));
self = user_data;
cat = data;
/* TODO: Set a child for the expander, recurse into category children. */
human_name = ld_category_get_human_name (cat);
expander = GTK_EXPANDER (gtk_expander_new (human_name));
gtk_box_pack_start (GTK_BOX (self), GTK_WIDGET (expander), FALSE, FALSE, 0);
}
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