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Diffstat (limited to 'shell/e-user-creatable-items-handler.c')
| -rw-r--r-- | shell/e-user-creatable-items-handler.c | 872 |
1 files changed, 0 insertions, 872 deletions
diff --git a/shell/e-user-creatable-items-handler.c b/shell/e-user-creatable-items-handler.c deleted file mode 100644 index e635278c68..0000000000 --- a/shell/e-user-creatable-items-handler.c +++ /dev/null @@ -1,872 +0,0 @@ -/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */ -/* e-user-creatable-items-handler.c - * - * Copyright (C) 2001-2004 Novell, Inc. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of version 2 of the GNU General Public - * License as published by the Free Software Foundation. - * - * This program 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 - * General Public License for more details. - * - * You should have received a copy of the GNU General Public - * License along with this program; if not, write to the - * Free Software Foundation, Inc., 59 Temple Place - Suite 330, - * Boston, MA 02111-1307, USA. - * - * Author: Ettore Perazzoli <ettore@ximian.com> - */ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif - -#include "e-user-creatable-items-handler.h" -#include <e-util/e-icon-factory.h> -#include "e-shell-utils.h" -#include "Evolution.h" - -#include "e-util/e-corba-utils.h" -#include "widgets/misc/e-combo-button.h" - -#include <gal/util/e-util.h> - -#include <bonobo/bonobo-ui-util.h> -#include <bonobo/bonobo-exception.h> -#include <bonobo/bonobo-control.h> - -#include <libgnome/gnome-i18n.h> - -#include <gtk/gtkaccelgroup.h> -#include <gtk/gtkimage.h> -#include <gtk/gtkimagemenuitem.h> -#include <gtk/gtkmenu.h> -#include <gtk/gtkseparatormenuitem.h> -#include <gtk/gtksignal.h> -#include <gtk/gtktooltips.h> - -#include <stdlib.h> -#include <ctype.h> -#include <string.h> - - -#define PARENT_TYPE G_TYPE_OBJECT -static GObjectClass *parent_class = NULL; - - -struct _Component { - char *id, *alias; - GNOME_Evolution_Component component; - GNOME_Evolution_CreatableItemTypeList *type_list; -}; -typedef struct _Component Component; - -/* Representation of a single menu item. */ -struct _MenuItem { - const char *label; - char shortcut; - char *verb; - char *tooltip; - char *component; - GdkPixbuf *icon; -}; -typedef struct _MenuItem MenuItem; - -struct _EUserCreatableItemsHandlerPrivate { - /* This component's alias */ - char *this_component; - - /* For creating items on the view */ - EUserCreatableItemsHandlerCreate create_local; - void *create_data; - - /* The components that register user creatable items. */ - GSList *components; /* Component */ - - /* The "New ..." menu items. */ - GSList *objects; /* MenuItem */ - GSList *folders; /* MenuItem */ - - /* The default item (the mailer's "message" item). To be used when the - component in the view we are in doesn't provide a default user - creatable type. This pointer always points to one of the menu items - in ->objects. */ - const MenuItem *fallback_menu_item; - const MenuItem *default_menu_item; - - char *menu_xml; - GtkWidget *new_button, *new_menu; - BonoboControl *new_control; - GtkTooltips *tooltips; - GtkAccelGroup *accel_group; -}; - -enum { - PROP_THIS_COMPONENT = 1, - LAST_PROP -}; - - -/* Component struct handling. */ - -static Component * -component_new (const char *id, - const char *component_alias, - GNOME_Evolution_Component component) -{ - CORBA_Environment ev; - Component *new; - - CORBA_exception_init (&ev); - - new = g_new (Component, 1); - new->id = g_strdup (id); - new->alias = g_strdup (component_alias); - - new->type_list = GNOME_Evolution_Component__get_userCreatableItems (component, &ev); - if (BONOBO_EX (&ev)) - new->type_list = NULL; - - new->component = component; - Bonobo_Unknown_ref (new->component, &ev); - - if (ev._major != CORBA_NO_EXCEPTION) - new->type_list = NULL; - - CORBA_exception_free (&ev); - - return new; -} - -static void -component_free (Component *component) -{ - CORBA_Environment ev; - - CORBA_exception_init (&ev); - - Bonobo_Unknown_unref (component->component, &ev); - - g_free (component->id); - g_free (component->alias); - - if (component->type_list != NULL) - CORBA_free (component->type_list); - - CORBA_exception_free (&ev); - - g_free (component); -} - -static const char *component_query = - "repo_ids.has ('IDL:GNOME/Evolution/Component:" BASE_VERSION "')"; - -static void -get_components_from_bonobo (EUserCreatableItemsHandler *handler) -{ - Bonobo_ServerInfoList *info_list; - Bonobo_ActivationProperty *property; - CORBA_Environment ev; - char *iid, *alias; - GNOME_Evolution_Component corba_component; - Component *component; - int i; - - CORBA_exception_init (&ev); - info_list = bonobo_activation_query (component_query, NULL, &ev); - if (BONOBO_EX (&ev)) { - char *ex_text = bonobo_exception_get_text (&ev); - g_warning ("Cannot query for components: %s\n", ex_text); - g_free (ex_text); - CORBA_exception_free (&ev); - return; - } - - for (i = 0; i < info_list->_length; i++) { - iid = info_list->_buffer[i].iid; - corba_component = bonobo_activation_activate_from_id (iid, Bonobo_ACTIVATION_FLAG_EXISTING_ONLY, NULL, &ev); - if (BONOBO_EX (&ev)) { - CORBA_exception_free (&ev); - continue; - } - - property = bonobo_server_info_prop_find (&info_list->_buffer[i], - "evolution:component_alias"); - alias = property ? property->v._u.value_string : "unknown"; - - component = component_new (iid, alias, corba_component); - handler->priv->components = g_slist_prepend (handler->priv->components, component); - } - - CORBA_free (info_list); -} - - -/* Helper functions. */ - -static gboolean -item_is_default (const MenuItem *item, - const char *component) -{ - if (component == NULL) - return FALSE; - - if (strcmp (item->component, component) == 0) - return TRUE; - else - return FALSE; -} - -static char * -create_verb (EUserCreatableItemsHandler *handler, int component_num, const char *comp, const char *type_id) -{ - return g_strdup_printf ("EUserCreatableItemsHandler-%s:%d:%s", comp, component_num, type_id); -} - -/* Setting up menu items for the "File -> New" submenu and the "New" toolbar - button. */ - -static void -ensure_menu_items (EUserCreatableItemsHandler *handler) -{ - EUserCreatableItemsHandlerPrivate *priv; - GSList *objects, *folders; - GSList *p; - int component_num; - const char *default_verb; - - priv = handler->priv; - if (priv->objects != NULL) - return; - - objects = folders = NULL; - component_num = 0; - default_verb = NULL; - for (p = priv->components; p != NULL; p = p->next) { - const Component *component; - int i; - - component = (const Component *) p->data; - if (component->type_list != NULL) { - for (i = 0; i < component->type_list->_length; i ++) { - const GNOME_Evolution_CreatableItemType *corba_item; - MenuItem *item; - - corba_item = (const GNOME_Evolution_CreatableItemType *) component->type_list->_buffer + i; - - item = g_new (MenuItem, 1); - item->label = corba_item->menuDescription; - item->shortcut = corba_item->menuShortcut; - item->verb = create_verb (handler, component_num, component->alias, corba_item->id); - item->tooltip = corba_item->tooltip; - item->component = g_strdup (component->alias); - - if (strcmp (item->component, "mail") == 0 - && strcmp (corba_item->id, "message") == 0) - default_verb = item->verb; - - if (corba_item->iconName == "") { - item->icon = NULL; - } else { - item->icon = e_icon_factory_get_icon (corba_item->iconName, E_ICON_SIZE_MENU); - } - - if (corba_item->type == GNOME_Evolution_CREATABLE_OBJECT) - objects = g_slist_prepend (objects, item); - else - folders = g_slist_prepend (folders, item); - } - } - - component_num ++; - } - - priv->objects = g_slist_reverse (objects); - priv->folders = g_slist_reverse (folders); - - priv->fallback_menu_item = NULL; - if (default_verb != NULL) { - for (p = priv->objects; p != NULL; p = p->next) { - const MenuItem *item; - - item = (const MenuItem *) p->data; - if (strcmp (item->verb, default_verb) == 0) - priv->fallback_menu_item = item; - } - } -} - -static void -free_menu_items (GSList *menu_items) -{ - GSList *p; - - if (menu_items == NULL) - return; - - for (p = menu_items; p != NULL; p = p->next) { - MenuItem *item; - - item = (MenuItem *) p->data; - g_free (item->verb); - - if (item->icon != NULL) - g_object_unref (item->icon); - - g_free (item->component); - g_free (item); - } - - g_slist_free (menu_items); -} - -static const MenuItem * -get_default_action_for_view (EUserCreatableItemsHandler *handler) -{ - EUserCreatableItemsHandlerPrivate *priv; - const GSList *p; - - priv = handler->priv; - - for (p = priv->objects; p != NULL; p = p->next) { - const MenuItem *item; - - item = (const MenuItem *) p->data; - if (item_is_default (item, priv->this_component)) - return item; - } - - return priv->fallback_menu_item; -} - - -/* Verb handling. */ - -static void -execute_verb (EUserCreatableItemsHandler *handler, - const char *verb_name) -{ - EUserCreatableItemsHandlerPrivate *priv; - const Component *component; - int component_number; - const char *p; - const char *id; - GSList *component_list_item; - int i; - - priv = handler->priv; - - p = strchr (verb_name, ':'); - g_assert (p != NULL); - component_number = atoi (p + 1); - - p = strchr (p + 1, ':'); - g_assert (p != NULL); - id = p + 1; - - component_list_item = g_slist_nth (priv->components, component_number); - g_assert (component_list_item != NULL); - - component = (const Component *) component_list_item->data; - - if (component->type_list == NULL) - return; - - /* TODO: why do we actually iterate this? Is it just to check we have it in the menu? The - search isn't used otherwise */ - for (i = 0; i < component->type_list->_length; i ++) { - if (strcmp (component->type_list->_buffer[i].id, id) == 0) { - if (priv->create_local && priv->this_component && strcmp(priv->this_component, component->alias) == 0) { - priv->create_local(handler, id, priv->create_data); - } else { - CORBA_Environment ev; - - CORBA_exception_init (&ev); - - GNOME_Evolution_Component_requestCreateItem (component->component, id, &ev); - - if (ev._major != CORBA_NO_EXCEPTION) - g_warning ("Error in requestCreateItem -- %s", BONOBO_EX_REPOID (&ev)); - - CORBA_exception_free (&ev); - } - return; - } - } -} - -static void -verb_fn (BonoboUIComponent *ui_component, - void *data, - const char *verb_name) -{ - EUserCreatableItemsHandler *handler= - E_USER_CREATABLE_ITEMS_HANDLER (data); - - execute_verb (handler, verb_name); -} - -static void -add_verbs (EUserCreatableItemsHandler *handler, - BonoboUIComponent *ui_component) -{ - EUserCreatableItemsHandlerPrivate *priv; - int component_num; - GSList *p; - - priv = handler->priv; - - component_num = 0; - for (p = priv->components; p != NULL; p = p->next) { - const Component *component; - int i; - - component = (const Component *) p->data; - - if (component->type_list != NULL) { - for (i = 0; i < component->type_list->_length; i ++) { - char *verb_name; - - verb_name = create_verb (handler, - component_num, - component->alias, - component->type_list->_buffer[i].id); - - bonobo_ui_component_add_verb (ui_component, verb_name, verb_fn, handler); - - g_free (verb_name); - } - } - - component_num ++; - } -} - - -/* Generic menu construction code */ - -static int -item_types_sort_func (const void *a, - const void *b) -{ - const MenuItem *item_a; - const MenuItem *item_b; - const char *p1, *p2; - - item_a = (const MenuItem *) a; - item_b = (const MenuItem *) b; - - p1 = item_a->label; - p2 = item_b->label; - - while (*p1 != '\0' && *p2 != '\0') { - if (*p1 == '_') { - p1 ++; - continue; - } - - if (*p2 == '_') { - p2 ++; - continue; - } - - if (toupper ((int) *p1) < toupper ((int) *p2)) - return -1; - else if (toupper ((int) *p1) > toupper ((int) *p2)) - return +1; - - p1 ++, p2 ++; - } - - if (*p1 == '\0') { - if (*p2 == '\0') - return 0; - else - return -1; - } else { - return +1; - } -} - -typedef void (*EUserCreatableItemsHandlerMenuItemFunc) (EUserCreatableItemsHandler *, gpointer, MenuItem *, gboolean); -typedef void (*EUserCreatableItemsHandlerSeparatorFunc) (EUserCreatableItemsHandler *, gpointer, int); - -static void -construct_menu (EUserCreatableItemsHandler *handler, gpointer menu, - EUserCreatableItemsHandlerMenuItemFunc menu_item_func, - EUserCreatableItemsHandlerSeparatorFunc separator_func) -{ - EUserCreatableItemsHandlerPrivate *priv; - MenuItem *item; - GSList *p, *items; - gboolean first = TRUE; - - priv = handler->priv; - - /* First add the current component's creatable objects */ - for (p = priv->objects; p != NULL; p = p->next) { - item = p->data; - if (item_is_default (item, priv->this_component)) { - menu_item_func (handler, menu, item, first); - first = FALSE; - } - } - - /* Then its creatable folders */ - for (p = priv->folders; p != NULL; p = p->next) { - item = p->data; - if (item_is_default (item, priv->this_component)) - menu_item_func (handler, menu, item, FALSE); - } - - /* Then a separator */ - separator_func (handler, menu, 1); - - /* Then the objects from other components. */ - items = NULL; - for (p = priv->objects; p != NULL; p = p->next) { - item = p->data; - if (! item_is_default (item, priv->this_component)) - items = g_slist_prepend (items, item); - } - - items = g_slist_sort (items, item_types_sort_func); - for (p = items; p != NULL; p = p->next) - menu_item_func (handler, menu, p->data, FALSE); - g_slist_free (items); - - /* Another separator */ - separator_func (handler, menu, 2); - - /* And finally the folders from other components */ - items = NULL; - for (p = priv->folders; p != NULL; p = p->next) { - item = p->data; - if (! item_is_default (item, priv->this_component)) - items = g_slist_prepend (items, item); - } - - items = g_slist_sort (items, item_types_sort_func); - for (p = items; p != NULL; p = p->next) - menu_item_func (handler, menu, p->data, FALSE); - g_slist_free (items); -} - -/* The XML description for "File -> New". */ - -static void -xml_menu_item_func (EUserCreatableItemsHandler *handler, gpointer menu, - MenuItem *item, gboolean first) -{ - GString *xml = menu; - char *encoded_label; - char *encoded_tooltip; - - encoded_label = bonobo_ui_util_encode_str (item->label); - g_string_append_printf (xml, "<menuitem name=\"New:%s\" verb=\"%s\" label=\"%s\"", - item->verb, item->verb, encoded_label); - - if (first) - g_string_append_printf (xml, " accel=\"*Control*N\""); - else if (item->shortcut != '\0') - g_string_append_printf (xml, " accel=\"*Control**Shift*%c\"", item->shortcut); - - if (item->icon != NULL) { - char *icon_xml; - - icon_xml = bonobo_ui_util_pixbuf_to_xml (item->icon); - g_string_append_printf (xml, " pixtype=\"pixbuf\" pixname=\"%s\"", icon_xml); - g_free (icon_xml); - } - - encoded_tooltip = bonobo_ui_util_encode_str (item->tooltip); - g_string_append_printf (xml, " tip=\"%s\"", encoded_tooltip); - - g_string_append (xml, "/> "); - - g_free (encoded_label); - g_free (encoded_tooltip); -} - -static void -xml_separator_func (EUserCreatableItemsHandler *handler, gpointer menu, int nth) -{ - GString *xml = menu; - - g_string_append_printf (xml, "<separator f=\"\" name=\"EUserCreatableItemsHandlerSeparator%d\"/>", nth); -} - -static void -create_menu_xml (EUserCreatableItemsHandler *handler) -{ - GString *xml; - - xml = g_string_new ("<placeholder name=\"NewMenu\">"); - construct_menu (handler, xml, xml_menu_item_func, xml_separator_func); - g_string_append (xml, "</placeholder>"); - - handler->priv->menu_xml = xml->str; - g_string_free (xml, FALSE); -} - - -/* The GtkMenu for the toolbar button. */ - -static void -menuitem_activate (GtkMenuItem *item, gpointer data) -{ - EUserCreatableItemsHandler *handler = data; - const char *verb; - - verb = g_object_get_data (G_OBJECT (item), "EUserCreatableItemsHandler:verb"); - execute_verb (handler, verb); -} - -static void -default_activate (EComboButton *combo_button, gpointer data) -{ - EUserCreatableItemsHandler *handler = data; - - execute_verb (handler, handler->priv->default_menu_item->verb); -} - -static void -gtk_menu_item_func (EUserCreatableItemsHandler *handler, gpointer menu, - MenuItem *item, gboolean first) -{ - GtkWidget *menuitem, *icon; - - menuitem = gtk_image_menu_item_new_with_mnemonic (item->label); - - if (item->icon) { - icon = gtk_image_new_from_pixbuf (item->icon); - gtk_image_menu_item_set_image (GTK_IMAGE_MENU_ITEM (menuitem), - icon); - } - - if (first) { - gtk_widget_add_accelerator (menuitem, "activate", - handler->priv->accel_group, - 'n', GDK_CONTROL_MASK, - GTK_ACCEL_VISIBLE); - } else { - gtk_widget_add_accelerator (menuitem, "activate", - handler->priv->accel_group, - item->shortcut, - GDK_CONTROL_MASK | GDK_SHIFT_MASK, - GTK_ACCEL_VISIBLE); - } - - g_object_set_data (G_OBJECT (menuitem), "EUserCreatableItemsHandler:verb", item->verb); - g_signal_connect (menuitem, "activate", - G_CALLBACK (menuitem_activate), handler); - - gtk_menu_shell_append (menu, menuitem); -} - -static void -gtk_separator_func (EUserCreatableItemsHandler *handler, gpointer menu, int nth) -{ - gtk_menu_shell_append (menu, gtk_separator_menu_item_new ()); -} - -static void -setup_toolbar_button (EUserCreatableItemsHandler *handler) -{ - EUserCreatableItemsHandlerPrivate *priv; - - priv = handler->priv; - - priv->new_button = e_combo_button_new (); - priv->new_menu = gtk_menu_new (); - priv->accel_group = gtk_accel_group_new (); - construct_menu (handler, priv->new_menu, - gtk_menu_item_func, gtk_separator_func); - gtk_widget_show_all (priv->new_menu); - e_combo_button_set_menu (E_COMBO_BUTTON (priv->new_button), - GTK_MENU (priv->new_menu)); - e_combo_button_set_label (E_COMBO_BUTTON (priv->new_button), _("New")); - gtk_widget_show (priv->new_button); - - g_signal_connect (priv->new_button, "activate_default", - G_CALLBACK (default_activate), handler); - - priv->new_control = bonobo_control_new (priv->new_button); - - priv->default_menu_item = get_default_action_for_view (handler); - if (!priv->default_menu_item) { - gtk_widget_set_sensitive (priv->new_button, FALSE); - return; - } - - gtk_widget_set_sensitive (priv->new_button, TRUE); - - e_combo_button_set_icon (E_COMBO_BUTTON (priv->new_button), - priv->default_menu_item->icon); - - priv->tooltips = gtk_tooltips_new (); - gtk_object_ref (GTK_OBJECT (priv->tooltips)); - gtk_object_sink (GTK_OBJECT (priv->tooltips)); - gtk_tooltips_set_tip (priv->tooltips, priv->new_button, - priv->default_menu_item->tooltip, NULL); -} - - -/* GObject methods. */ - -static void -impl_set_property (GObject *object, guint prop_id, - const GValue *value, GParamSpec *pspec) -{ - EUserCreatableItemsHandler *handler = - E_USER_CREATABLE_ITEMS_HANDLER (object); - - switch (prop_id) { - case PROP_THIS_COMPONENT: - handler->priv->this_component = g_value_dup_string (value); - - get_components_from_bonobo (handler); - ensure_menu_items (handler); - break; - default: - break; - } -} - -static void -impl_dispose (GObject *object) -{ - EUserCreatableItemsHandler *handler; - EUserCreatableItemsHandlerPrivate *priv; - GSList *p; - - handler = E_USER_CREATABLE_ITEMS_HANDLER (object); - priv = handler->priv; - - for (p = priv->components; p != NULL; p = p->next) - component_free ((Component *) p->data); - - g_slist_free (priv->components); - priv->components = NULL; - - if (priv->new_control) { - bonobo_object_unref (priv->new_control); - priv->new_control = NULL; - } - - if (priv->tooltips) { - g_object_unref (priv->tooltips); - priv->tooltips = NULL; - } - - if (priv->accel_group) { - g_object_unref (priv->accel_group); - priv->accel_group = NULL; - } - - (* G_OBJECT_CLASS (parent_class)->dispose) (object); -} - -static void -impl_finalize (GObject *object) -{ - EUserCreatableItemsHandler *handler; - EUserCreatableItemsHandlerPrivate *priv; - - handler = E_USER_CREATABLE_ITEMS_HANDLER (object); - priv = handler->priv; - - g_free (priv->this_component); - - free_menu_items (priv->objects); - free_menu_items (priv->folders); - - g_free (priv->menu_xml); - - g_free (priv); - - (* G_OBJECT_CLASS (parent_class)->finalize) (object); -} - - -static void -class_init (GObjectClass *object_class) -{ - parent_class = g_type_class_ref(PARENT_TYPE); - - object_class->dispose = impl_dispose; - object_class->finalize = impl_finalize; - object_class->set_property = impl_set_property; - - g_object_class_install_property ( - object_class, PROP_THIS_COMPONENT, - g_param_spec_string ("this_component", "Component alias", - "The component_alias of this component", - NULL, - G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY)); -} - -static void -init (EUserCreatableItemsHandler *handler) -{ - EUserCreatableItemsHandlerPrivate *priv; - - priv = g_new0 (EUserCreatableItemsHandlerPrivate, 1); - - handler->priv = priv; -} - - -EUserCreatableItemsHandler * -e_user_creatable_items_handler_new (const char *component_alias, - EUserCreatableItemsHandlerCreate create_local, void *data) -{ - EUserCreatableItemsHandler *handler; - - handler = g_object_new (e_user_creatable_items_handler_get_type (), - "this_component", component_alias, - NULL); - handler->priv->create_local = create_local; - handler->priv->create_data = data; - - return handler; -} - - -/** - * e_user_creatable_items_handler_activate: - * @handler: the #EUserCreatableItemsHandler - * @ui_component: the #BonoboUIComponent to attach to - * - * Set up the menus and toolbar items for @ui_component. - **/ -void -e_user_creatable_items_handler_activate (EUserCreatableItemsHandler *handler, - BonoboUIComponent *ui_component) -{ - EUserCreatableItemsHandlerPrivate *priv; - - g_return_if_fail (E_IS_USER_CREATABLE_ITEMS_HANDLER (handler)); - g_return_if_fail (BONOBO_IS_UI_COMPONENT (ui_component)); - - priv = handler->priv; - - if (!priv->menu_xml) { - create_menu_xml (handler); - setup_toolbar_button (handler); - add_verbs (handler, ui_component); - } - - bonobo_ui_component_set (ui_component, "/menu/File/New", - priv->menu_xml, NULL); - - bonobo_ui_component_object_set (ui_component, - "/Toolbar/NewComboButton", - BONOBO_OBJREF (priv->new_control), - NULL); -} - -E_MAKE_TYPE (e_user_creatable_items_handler, "EUserCreatableItemsHandler", EUserCreatableItemsHandler, class_init, init, PARENT_TYPE) |