moving from https://github.com/perberos/mate-desktop-environment

1 files changed, 196 insertions, 0 deletions

diff --git a/libslab/search-context-picker.c b/libslab/search-context-picker.c
new file mode 100644
index 00000000..449c6297
--- /dev/null
+++ b/libslab/search-context-picker.c
@@ -0,0 +1,196 @@
+/*
+ * 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);
+}