+/*

+ * This file is part of libslab.

+ *

+ * Copyright (c) 2006 Novell, Inc.

+ *

+ * Libslab is free software; you can redistribute it and/or modify it under the

+ * terms of the GNU Lesser General Public License as published by the Free

+ * Software Foundation; either version 2 of the License, or (at your option)

+ * any later version.

+ *

+ * Libslab 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 Lesser General Public License for

+ * more details.

+ *

+ * You should have received a copy of the GNU Lesser General Public License

+ * along with libslab; if not, write to the Free Software Foundation, Inc., 51

+ * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA

+ */

+

+#include "search-context-picker.h"

+

+#include <gtk/gtk.h>

+

+typedef struct

+{

+ GtkImage *cur_icon;

+ int cur_context;

+ GtkWidget *menu;

+} NldSearchContextPickerPrivate;

+

+#define NLD_SEARCH_CONTEXT_PICKER_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), NLD_TYPE_SEARCH_CONTEXT_PICKER, NldSearchContextPickerPrivate))

+

+enum

+{

+ CONTEXT_CHANGED,

+ LAST_SIGNAL

+};

+

+static guint signals[LAST_SIGNAL] = { 0 };

+

+static void nld_search_context_picker_class_init (NldSearchContextPickerClass *);

+static void nld_search_context_picker_init (NldSearchContextPicker *);

+

+static void nld_search_context_picker_clicked (GtkButton *);

+

+G_DEFINE_TYPE (NldSearchContextPicker, nld_search_context_picker, GTK_TYPE_BUTTON)

+

+static void nld_search_context_picker_class_init (NldSearchContextPickerClass *

+ nld_search_context_picker_class)

+{

+ GtkButtonClass *button_class = GTK_BUTTON_CLASS (nld_search_context_picker_class);

+

+ button_class->clicked = nld_search_context_picker_clicked;

+

+ g_type_class_add_private (nld_search_context_picker_class,

+ sizeof (NldSearchContextPickerPrivate));

+

+ signals[CONTEXT_CHANGED] = g_signal_new ("context-changed",

+ G_TYPE_FROM_CLASS (nld_search_context_picker_class),

+ G_SIGNAL_RUN_FIRST | G_SIGNAL_ACTION,

+ G_STRUCT_OFFSET (NldSearchContextPickerClass, context_changed),

+ NULL, NULL, g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0);

+}

+

+static void

+nld_search_context_picker_init (NldSearchContextPicker * picker)

+{

+ NldSearchContextPickerPrivate *priv = NLD_SEARCH_CONTEXT_PICKER_GET_PRIVATE (picker);

+ GtkBox *hbox;

+

+ hbox = GTK_BOX (gtk_hbox_new (FALSE, 10));

+ gtk_container_add (GTK_CONTAINER (picker), GTK_WIDGET (hbox));

+

+ priv->cur_icon = GTK_IMAGE (gtk_image_new ());

+ gtk_box_pack_start (hbox, GTK_WIDGET (priv->cur_icon), FALSE, FALSE, 0);

+ gtk_box_pack_start (hbox, gtk_vseparator_new (), FALSE, FALSE, 0);

+ gtk_box_pack_start (hbox, gtk_arrow_new (GTK_ARROW_DOWN, GTK_SHADOW_NONE), FALSE, FALSE, 0);

+

+ gtk_widget_show_all (GTK_WIDGET (hbox));

+

+ priv->cur_context = -1;

+

+ priv->menu = gtk_menu_new ();

+}

+

+GtkWidget *

+nld_search_context_picker_new (void)

+{

+ return g_object_new (NLD_TYPE_SEARCH_CONTEXT_PICKER, NULL);

+}

+

+static void

+menu_position_func (GtkMenu * menu, int *x, int *y, gboolean * push_in, gpointer picker)

+{

+ GtkWidget *widget = GTK_WIDGET (picker);

+

+ gdk_window_get_origin (widget->window, x, y);

+ *x += widget->allocation.x;

+ *y += widget->allocation.y + widget->allocation.height;

+

+ if (gtk_widget_get_direction (widget) == GTK_TEXT_DIR_RTL)

+ {

+ GtkRequisition req;

+ gtk_widget_size_request (GTK_WIDGET (menu), &req);

+ *x += widget->allocation.width - req.width;

+ }

+

+ *push_in = FALSE;

+}

+

+static void

+nld_search_context_picker_clicked (GtkButton * button)

+{

+ NldSearchContextPickerPrivate *priv = NLD_SEARCH_CONTEXT_PICKER_GET_PRIVATE (button);

+

+ gtk_menu_popup (GTK_MENU (priv->menu), NULL, NULL, menu_position_func, button, 1,

+ gtk_get_current_event_time ());

+}

+

+static void

+item_activated (GtkMenuItem * item, gpointer picker)

+{

+ NldSearchContextPickerPrivate *priv = NLD_SEARCH_CONTEXT_PICKER_GET_PRIVATE (picker);

+ GtkImage *image;

+ const char *icon_name;

+ GtkIconSize icon_size;

+

+ image = GTK_IMAGE (gtk_image_menu_item_get_image (GTK_IMAGE_MENU_ITEM (item)));

+ gtk_image_get_icon_name (image, &icon_name, &icon_size);

+ gtk_image_set_from_icon_name (priv->cur_icon, icon_name, icon_size);

+

+ priv->cur_context =

+ GPOINTER_TO_INT (g_object_get_data (G_OBJECT (item),

+ "NldSearchContextPicker:context_id"));

+ g_signal_emit (picker, signals[CONTEXT_CHANGED], 0);

+}

+

+void

+nld_search_context_picker_add_context (NldSearchContextPicker * picker, const char *label,

+ const char *icon_name, int context_id)

+{

+ NldSearchContextPickerPrivate *priv = NLD_SEARCH_CONTEXT_PICKER_GET_PRIVATE (picker);

+ GtkWidget *item = gtk_image_menu_item_new_with_label (label);

+ GtkWidget *image = gtk_image_new_from_icon_name (icon_name, GTK_ICON_SIZE_MENU);

+ GList *children = gtk_container_get_children (GTK_CONTAINER (priv->menu));

+ gboolean first = children == NULL;

+

+ gtk_image_menu_item_set_image (GTK_IMAGE_MENU_ITEM (item), image);

+ g_object_set_data (G_OBJECT (item), "NldSearchContextPicker:context_id",

+ GINT_TO_POINTER (context_id));

+ g_signal_connect (item, "activate", G_CALLBACK (item_activated), picker);

+ gtk_widget_show_all (item);

+

+ gtk_container_add (GTK_CONTAINER (priv->menu), item);

+ if (first) {

+ item_activated (GTK_MENU_ITEM (item), picker);

+ g_list_free (children);

+ }

+}

+

+int

+nld_search_context_picker_get_context (NldSearchContextPicker * picker)

+{

+ NldSearchContextPickerPrivate *priv = NLD_SEARCH_CONTEXT_PICKER_GET_PRIVATE (picker);

+

+ return priv->cur_context;

+}

+

+void

+nld_search_context_picker_set_context (NldSearchContextPicker * picker, int context_id)

+{

+ NldSearchContextPickerPrivate *priv = NLD_SEARCH_CONTEXT_PICKER_GET_PRIVATE (picker);

+ GList *children;

+

+ children = gtk_container_get_children (GTK_CONTAINER (priv->menu));

+ while (children)

+ {

+ GtkMenuItem *item = children->data;

+ int item_id =

+ GPOINTER_TO_INT (g_object_get_data (G_OBJECT (item),

+ "NldSearchContextPicker:content_id"));

+

+ if (item_id == context_id)

+ {

+ item_activated (item, picker);

+ return;

+ }

+

+ children = children->next;

+ }

+ g_list_free (children);

+

+ priv->cur_context = -1;

+ g_signal_emit (picker, signals[CONTEXT_CHANGED], 0);

+}