diff options
Diffstat (limited to 'libslab/search-context-picker.c')
| -rw-r--r-- | libslab/search-context-picker.c | 196 |
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); +} |