Start making a replacement for LdLibraryToolbar.

The main advantages are the lack of need to create an icon
for each category there is in the library and faster workflow.

1 files changed, 227 insertions, 0 deletions

diff --git a/liblogdiag/ld-library-pane.c b/liblogdiag/ld-library-pane.c
new file mode 100644
index 0000000..6d4f84e
--- /dev/null
+++ b/liblogdiag/ld-library-pane.c
@@ -0,0 +1,227 @@
+/*
+ * 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_library_get_categories (self->priv->library);
+		g_slist_foreach (categories, load_category_cb, self);
+	}
+}
+
+static void
+load_category_cb (gpointer data, gpointer user_data)
+{
+	LdLibraryPane *self;
+	LdSymbolCategory *cat;
+	GtkExpander *expander;
+	const gchar *human_name;
+
+	g_return_if_fail (LD_IS_LIBRARY_PANE (user_data));
+	g_return_if_fail (LD_IS_SYMBOL_CATEGORY (data));
+
+	self = user_data;
+	cat = data;
+
+	/* TODO: Set a child for the expander, recurse into category children. */
+	human_name = ld_symbol_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);
+}
+