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/*
* 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>
#if !GTK_CHECK_VERSION(3,0,0)
#define gtk_widget_get_preferred_size(x,y,z) gtk_widget_size_request(x,y)
#endif
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);
GtkWidget *hbox;
GtkWidget *separator;
#if GTK_CHECK_VERSION (3, 0, 0)
hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 10);
#else
hbox = gtk_hbox_new (FALSE, 10);
#endif
gtk_container_add (GTK_CONTAINER (picker), hbox);
priv->cur_icon = GTK_IMAGE (gtk_image_new ());
gtk_box_pack_start (GTK_BOX (hbox), GTK_WIDGET (priv->cur_icon), FALSE, FALSE, 0);
#if GTK_CHECK_VERSION (3, 0, 0)
separator = gtk_separator_new (GTK_ORIENTATION_VERTICAL);
#else
separator = gtk_vseparator_new ();
#endif
gtk_box_pack_start (GTK_BOX (hbox), separator, FALSE, FALSE, 0);
gtk_box_pack_start (GTK_BOX (hbox), gtk_arrow_new (GTK_ARROW_DOWN, GTK_SHADOW_NONE), FALSE, FALSE, 0);
gtk_widget_show_all (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);
GtkAllocation allocation;
gtk_widget_get_allocation (widget, &allocation);
gdk_window_get_origin (gtk_widget_get_window (widget), x, y);
*x += allocation.x;
*y += allocation.y + allocation.height;
if (gtk_widget_get_direction (widget) == GTK_TEXT_DIR_RTL)
{
GtkRequisition req;
gtk_widget_get_preferred_size (GTK_WIDGET (menu), &req, NULL);
*x += 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);
}
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