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Diffstat (limited to 'shell/e-user-creatable-items-handler.c')
| -rw-r--r-- | shell/e-user-creatable-items-handler.c | 789 |
1 files changed, 0 insertions, 789 deletions
diff --git a/shell/e-user-creatable-items-handler.c b/shell/e-user-creatable-items-handler.c deleted file mode 100644 index f45bb5183d..0000000000 --- a/shell/e-user-creatable-items-handler.c +++ /dev/null @@ -1,789 +0,0 @@ -/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */ -/* e-shell-user-creatable-items-handler.c - * - * Copyright (C) 2001 Ximian, 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-shell-utils.h" - -#include "widgets/misc/e-combo-button.h" - -#include "e-util/e-corba-utils.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/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; - - -#define VERB_PREFIX "ShellUserCreatableItemVerb" - -#define EVOLUTION_MAIL_OAFIID "OAFIID:GNOME_Evolution_Mail_ShellComponent:" BASE_VERSION - -#define SHELL_WINDOW_KEY "EUserCreatableItemsHandler:shell_window" -#define COMBO_BUTTON_WIDGET_KEY "EUserCreatableItemsHandler:combo_button" -#define TOOLTIPS_KEY "EUserCreatableItemsHandler:tooltips" - -struct _Component { - char *id; - 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_id; - GdkPixbuf *icon; -}; -typedef struct _MenuItem MenuItem; - -struct _EUserCreatableItemsHandlerPrivate { - /* The components that register user creatable items. */ - GSList *components; /* Component */ - - /* The "New ..." menu items. */ - GSList *menu_items; /* 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 ->menu_items. */ - const MenuItem *default_menu_item; -}; - - -/* Component struct handling. */ - -static Component * -component_new (const char *id, - GNOME_Evolution_Component component) -{ - CORBA_Environment ev; - Component *new; - - CORBA_exception_init (&ev); - - new = g_new (Component, 1); - new->id = g_strdup (id); - - 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); - - if (component->type_list != NULL) - CORBA_free (component->type_list); - - CORBA_exception_free (&ev); - - g_free (component); -} - -static void -get_components_from_registry (EUserCreatableItemsHandler *handler, - EComponentRegistry *registry) -{ - GSList *registry_list = e_component_registry_peek_list (registry); - GSList *p; - - for (p = registry_list; p != NULL; p = p->next) { - EComponentInfo *info = p->data; - Component *component; - - e_component_registry_activate (registry, info->id, NULL); - - if (info->iface != CORBA_OBJECT_NIL) - component = component_new (info->id, info->iface); - - handler->priv->components = g_slist_prepend (handler->priv->components, component); - } -} - - -/* Helper functions. */ - -static gboolean -item_is_default (const MenuItem *item, - const char *component_id) -{ - if (component_id == NULL) - return FALSE; - - if (strcmp (item->component_id, component_id) == 0) - return TRUE; - else - return FALSE; -} - -static char * -create_verb_from_component_number_and_type_id (int component_num, - const char *type_id) -{ - return g_strdup_printf (VERB_PREFIX ":%d:%s", 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 *menu_items; - GSList *p; - int component_num; - const char *default_verb; - - priv = handler->priv; - if (priv->menu_items != NULL) - return; - - menu_items = 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 *type; - MenuItem *item; - - type = (const GNOME_Evolution_CreatableItemType *) component->type_list->_buffer + i; - - item = g_new (MenuItem, 1); - item->label = type->menuDescription; - item->shortcut = type->menuShortcut; - item->verb = create_verb_from_component_number_and_type_id (component_num, type->id); - item->tooltip = type->tooltip; - item->component_id = g_strdup (component->id); - - if (strcmp (item->component_id, EVOLUTION_MAIL_OAFIID) == 0 - && strcmp (type->id, "message") == 0) - default_verb = item->verb; - - if (type->iconName == "") { - item->icon = NULL; - } else { - char *icon_path = e_shell_get_icon_path (type->iconName, TRUE); - item->icon = gdk_pixbuf_new_from_file (icon_path, NULL); - g_free (icon_path); - } - - menu_items = g_slist_prepend (menu_items, item); - } - } - - component_num ++; - } - - priv->menu_items = g_slist_reverse (menu_items); - - priv->default_menu_item = NULL; - if (default_verb != NULL) { - for (p = priv->menu_items; p != NULL; p = p->next) { - const MenuItem *item; - - item = (const MenuItem *) p->data; - if (strcmp (item->verb, default_verb) == 0) - priv->default_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_id); - g_free (item); - } - - g_slist_free (menu_items); -} - -static const MenuItem * -get_default_action_for_view (EUserCreatableItemsHandler *handler, - EShellWindow *window) -{ - EUserCreatableItemsHandlerPrivate *priv; - const char *window_component_id; - const GSList *p; - - priv = handler->priv; - - window_component_id = e_shell_window_peek_current_component_id (window); - if (window_component_id == NULL) - return priv->default_menu_item; - - for (p = priv->menu_items; p != NULL; p = p->next) { - const MenuItem *item; - - item = (const MenuItem *) p->data; - if (item_is_default (item, window_component_id)) - return item; - } - - return priv->default_menu_item; -} - - -/* The XML description for "File -> New". */ - -/* This adds a menu item for @item. If @first is true, the keyboard shortcut - is going to be "Control-N" instead of whatever the component defines. */ -static void -append_xml_for_menu_item (GString *xml, - const MenuItem *item, - gboolean first) -{ - 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 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; - } -} - -static char * -create_menu_xml (EUserCreatableItemsHandler *handler, - const char *component_id) -{ - EUserCreatableItemsHandlerPrivate *priv; - GString *xml; - GSList *p; - GSList *non_default_items; - char *retval; - - priv = handler->priv; - - ensure_menu_items (handler); - - xml = g_string_new (""); - - g_string_append (xml, "<placeholder name=\"ComponentItems\">"); - g_string_append (xml, "<placeholder name=\"EUserCreatableItemsPlaceholder\">"); - - /* 1. Add all the elements that are default for this component. (Note - that we don't need to do any sorting since the items are already - sorted alphabetically.) */ - - if (component_id != NULL) { - gboolean first = TRUE; - - for (p = priv->menu_items; p != NULL; p = p->next) { - const MenuItem *item; - - item = (const MenuItem *) p->data; - if (item_is_default (item, component_id)) { - append_xml_for_menu_item (xml, item, first); - first = FALSE; - } - } - } - - /* 2. Add a separator. */ - - if (component_id != NULL) - g_string_append_printf (xml, - "<separator f=\"\" name=\"EUserCreatableItemsHandlerSeparator\"/>"); - - /* 3. Add the elements that are not default for this component. */ - - non_default_items = NULL; - for (p = priv->menu_items; p != NULL; p = p->next) { - const MenuItem *item; - - item = (const MenuItem *) p->data; - if (! item_is_default (item, component_id)) - non_default_items = g_slist_prepend (non_default_items, (void *) item); - } - - non_default_items = g_slist_sort (non_default_items, item_types_sort_func); - for (p = non_default_items; p != NULL; p = p->next) - append_xml_for_menu_item (xml, (const MenuItem *) p->data, FALSE); - g_slist_free (non_default_items); - - /* Done... */ - - g_string_append (xml, "</placeholder>"); /* EUserCreatableItemsPlaceholder */ - g_string_append (xml, "</placeholder>"); /* ComponentItems */ - - retval = xml->str; - g_string_free (xml, FALSE); - - return retval; -} - - -/* Verb handling. */ - -static void -execute_verb (EUserCreatableItemsHandler *handler, - EShellWindow *window, - 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; - - for (i = 0; i < component->type_list->_length; i ++) { - if (strcmp (component->type_list->_buffer[i].id, id) == 0) { - 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; - EShellWindow *shell_window; - - shell_window = g_object_get_data (G_OBJECT (ui_component), SHELL_WINDOW_KEY); - g_assert (E_IS_SHELL_WINDOW (shell_window)); - - handler = E_USER_CREATABLE_ITEMS_HANDLER (data); - - execute_verb (handler, shell_window, verb_name); -} - -static void -add_verbs (EUserCreatableItemsHandler *handler, - EShellWindow *window) -{ - EUserCreatableItemsHandlerPrivate *priv; - BonoboUIComponent *ui_component; - int component_num; - GSList *p; - - priv = handler->priv; - - ui_component = e_shell_window_peek_bonobo_ui_component (window); - g_object_set_data (G_OBJECT (ui_component), SHELL_WINDOW_KEY, window); - - 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_from_component_number_and_type_id - (component_num, component->type_list->_buffer[i].id); - - bonobo_ui_component_add_verb (ui_component, verb_name, verb_fn, handler); - - g_free (verb_name); - } - } - - component_num ++; - } -} - - -/* The "New" button in the toolbar. */ - -static void -combo_button_activate_default_callback (EComboButton *combo_button, - void *data) -{ - EShellWindow *shell_window; - EUserCreatableItemsHandler *handler; - const MenuItem *menu_item; - - shell_window = E_SHELL_WINDOW (data); - handler = e_shell_peek_user_creatable_items_handler (e_shell_window_peek_shell (shell_window)); - - menu_item = get_default_action_for_view (handler, shell_window); - execute_verb (handler, shell_window, menu_item->verb); -} - -static void -setup_toolbar_button (EUserCreatableItemsHandler *handler, - EShellWindow *window) -{ - EUserCreatableItemsHandlerPrivate *priv; - BonoboUIComponent *ui_component; - GtkWidget *combo_button; - GtkWidget *menu; - GtkTooltips *tooltips; - BonoboControl *control; - - priv = handler->priv; - - menu = gtk_menu_new (); - - combo_button = e_combo_button_new (); - e_combo_button_set_menu (E_COMBO_BUTTON (combo_button), GTK_MENU (menu)); - e_combo_button_set_label (E_COMBO_BUTTON (combo_button), _("New")); - gtk_widget_show (combo_button); - - g_signal_connect (combo_button, "activate_default", G_CALLBACK (combo_button_activate_default_callback), window); - - ui_component = e_shell_window_peek_bonobo_ui_component (window); - bonobo_window_add_popup (BONOBO_WINDOW (window), GTK_MENU (menu), "/popups/NewPopup"); - - control = bonobo_control_new (combo_button); - - bonobo_ui_component_object_set (ui_component, "/Toolbar/NewComboButton", - BONOBO_OBJREF (control), NULL); - - bonobo_object_unref (control); - - g_object_set_data (G_OBJECT (window), COMBO_BUTTON_WIDGET_KEY, combo_button); - - tooltips = gtk_tooltips_new (); - g_object_set_data (G_OBJECT (combo_button), TOOLTIPS_KEY, tooltips); -} - - -static void -update_for_window (EUserCreatableItemsHandler *handler, - EShellWindow *window) -{ - GtkWidget *combo_button_widget; - GtkTooltips *tooltips; - BonoboUIComponent *ui_component; - const MenuItem *default_menu_item; - char *menu_xml; - - combo_button_widget = g_object_get_data (G_OBJECT (window), COMBO_BUTTON_WIDGET_KEY); - g_assert (E_IS_COMBO_BUTTON (combo_button_widget)); - - tooltips = g_object_get_data (G_OBJECT (combo_button_widget), TOOLTIPS_KEY); - g_assert (tooltips != NULL); - - default_menu_item = get_default_action_for_view (handler, window); - if (default_menu_item == NULL) { - gtk_widget_set_sensitive (combo_button_widget, FALSE); - e_combo_button_set_label (E_COMBO_BUTTON (combo_button_widget), _("New")); - e_combo_button_set_icon (E_COMBO_BUTTON (combo_button_widget), NULL); - gtk_tooltips_set_tip (tooltips, combo_button_widget, NULL, NULL); - return; - } - - gtk_widget_set_sensitive (combo_button_widget, TRUE); - - e_combo_button_set_icon (E_COMBO_BUTTON (combo_button_widget), default_menu_item->icon); - gtk_tooltips_set_tip (tooltips, combo_button_widget, default_menu_item->tooltip, NULL); - - ui_component = e_shell_window_peek_bonobo_ui_component (window); - bonobo_ui_component_rm (ui_component, "/menu/File/New/ComponentItems/EUserCreatableItemsPlaceholder", NULL); - bonobo_ui_component_rm (ui_component, "/popups/NewPopup/ComponentItems/EUserCreatableItemsPlaceholder", NULL); - - menu_xml = create_menu_xml (handler, e_shell_window_peek_current_component_id (window)); - - bonobo_ui_component_set (ui_component, "/menu/File/New", menu_xml, NULL); - bonobo_ui_component_set (ui_component, "/popups/NewPopup", menu_xml, NULL); - g_free (menu_xml); -} - - -/* This handles the menus for a given EShellWindow. We have to rebuild the menu - and set the toolbar button every time the view changes, and clean up when - the view is destroyed. */ - -static void -shell_window_component_changed_callback (EShellWindow *shell_window, - EUserCreatableItemsHandler *handler) -{ - update_for_window (handler, shell_window); -} - - -/* GObject methods. */ - -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; - - - (* 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; - - free_menu_items (priv->menu_items); - - 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; -} - -static void -init (EUserCreatableItemsHandler *shell_user_creatable_items_handler) -{ - EUserCreatableItemsHandlerPrivate *priv; - - priv = g_new (EUserCreatableItemsHandlerPrivate, 1); - priv->components = NULL; - priv->menu_items = NULL; - priv->default_menu_item = NULL; - - shell_user_creatable_items_handler->priv = priv; -} - - -EUserCreatableItemsHandler * -e_user_creatable_items_handler_new (EComponentRegistry *registry) -{ - EUserCreatableItemsHandler *new; - - new = g_object_new (e_user_creatable_items_handler_get_type (), NULL); - - get_components_from_registry (new, registry); - - return new; -} - - -/** - * e_user_creatable_items_handler_attach_menus: - * @handler: - * @shell_window: - * - * Set up the menus and toolbar items for @shell_window. When the shell changes - * view, the menu and the toolbar item will update automatically (i.e. the - * actions for the current folder will go on top etc.). - **/ -void -e_user_creatable_items_handler_attach_menus (EUserCreatableItemsHandler *handler, - EShellWindow *window) -{ - BonoboUIComponent *ui_component; - EUserCreatableItemsHandlerPrivate *priv; - char *menu_xml; - - g_return_if_fail (E_IS_USER_CREATABLE_ITEMS_HANDLER (handler)); - g_return_if_fail (E_IS_SHELL_WINDOW (window)); - - priv = handler->priv; - - setup_toolbar_button (handler, window); - g_signal_connect (window, "component_changed", G_CALLBACK (shell_window_component_changed_callback), handler); - - add_verbs (handler, window); - menu_xml = create_menu_xml (handler, e_shell_window_peek_current_component_id (window)); - - ui_component = e_shell_window_peek_bonobo_ui_component (window); - bonobo_ui_component_set (ui_component, "/menu/File/New", menu_xml, NULL); - bonobo_ui_component_set (ui_component, "/popups/NewPopup", menu_xml, NULL); - - g_free (menu_xml); - - update_for_window (handler, window); -} - - -E_MAKE_TYPE (e_user_creatable_items_handler, "EUserCreatableItemsHandler", EUserCreatableItemsHandler, class_init, init, PARENT_TYPE) |