/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */ /* e-shell-view.c * * Copyright (C) 2000 Helix Code, Inc. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation; either version 2 of the * License, or (at your option) any later version. * * 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. * * Authors: * Ettore Perazzoli * Miguel de Icaza * Matt Loper */ #ifdef HAVE_CONFIG_H #include #endif #include #include #include #include "e-shell-utils.h" #include "e-shell.h" #include "e-shortcuts-view.h" #include "e-storage-set-view.h" #include "e-title-bar.h" #include "e-util/e-util.h" #include "e-shell-view.h" #include "e-shell-view-menu.h" #define PARENT_TYPE gnome_app_get_type () /* Losing GnomeApp does not define GNOME_TYPE_APP. */ static GnomeAppClass *parent_class = NULL; struct _EShellViewPrivate { /* The shell. */ EShell *shell; /* The UI handler. */ BonoboUIHandler *uih; /* Currently displayed URI. */ char *uri; /* The widgetry. */ GtkWidget *hpaned1; GtkWidget *hpaned2; GtkWidget *contents; GtkWidget *notebook; GtkWidget *shortcut_bar; GtkWidget *shortcut_bar_box; GtkWidget *storage_set_view; GtkWidget *storage_set_view_box; /* The view we have already open. */ GHashTable *uri_to_control; /* Position of the handles in the paneds, to be restored when we show elements after hiding them. */ unsigned int hpaned1_position; unsigned int hpaned2_position; }; /* FIXME this should probably go somewhere else. */ #define EVOLUTION_URI_PREFIX "evolution:" #define EVOLUTION_URI_PREFIX_LEN 10 #define DEFAULT_SHORTCUT_BAR_WIDTH 100 #define DEFAULT_TREE_WIDTH 100 #define DEFAULT_WIDTH 600 #define DEFAULT_HEIGHT 600 static GtkWidget * create_label_for_empty_page (void) { GtkWidget *label; label = gtk_label_new (_("(No folder displayed)")); gtk_widget_show (label); return label; } static void setup_menus (EShellView *shell_view) { BonoboUIHandlerMenuItem *list; EShellViewPrivate *priv; priv = shell_view->priv; priv->uih = bonobo_ui_handler_new (); bonobo_ui_handler_set_app (priv->uih, GNOME_APP (shell_view)); bonobo_ui_handler_create_menubar (priv->uih); list = bonobo_ui_handler_menu_parse_uiinfo_list_with_data (e_shell_view_menu, shell_view); bonobo_ui_handler_menu_add_list (priv->uih, "/", list); bonobo_ui_handler_menu_free_list (list); } static gboolean bonobo_widget_is_dead (BonoboWidget *bw) { BonoboObject *boc = BONOBO_OBJECT (bonobo_widget_get_server (bw)); CORBA_Object obj = bonobo_object_corba_objref (boc); CORBA_Environment ev; gboolean is_dead = FALSE; CORBA_exception_init (&ev); if (CORBA_Object_non_existent(obj, &ev)) is_dead = TRUE; CORBA_exception_free (&ev); return is_dead; } /* Callbacks. */ /* Callback called when an icon on the shortcut bar gets clicked. */ static void activate_shortcut_cb (EShortcutsView *shortcut_view, EShortcuts *shortcuts, const char *uri, gpointer data) { EShellView *shell_view; shell_view = E_SHELL_VIEW (data); e_shell_view_display_uri (shell_view, uri); } /* Callback called when a folder on the tree view gets clicked. */ static void folder_selected_cb (EStorageSetView *storage_set_view, const char *path, gpointer data) { EShellView *shell_view; char *uri; shell_view = E_SHELL_VIEW (data); uri = g_strconcat (EVOLUTION_URI_PREFIX, path, NULL); e_shell_view_display_uri (shell_view, uri); g_free (uri); } /* Callback called when the close button on the tree's title bar is clicked. */ static void storage_set_view_close_button_clicked_cb (ETitleBar *title_bar, gpointer data) { EShellView *shell_view; shell_view = E_SHELL_VIEW (data); e_shell_view_show_folders (shell_view, FALSE); } /* Callback called when the close button on the shorcut bar's title bar is clicked. */ static void shortcut_bar_close_button_clicked_cb (ETitleBar *title_bar, gpointer data) { EShellView *shell_view; shell_view = E_SHELL_VIEW (data); e_shell_view_show_shortcuts (shell_view, FALSE); } static void setup_widgets (EShellView *shell_view) { EShellViewPrivate *priv; GtkWidget *shortcut_bar_title_bar; GtkWidget *storage_set_view_title_bar; GtkWidget *storage_set_view_scrolled_window; priv = shell_view->priv; /* The shortcut bar. */ priv->shortcut_bar = e_shortcuts_new_view (e_shell_get_shortcuts (priv->shell)); gtk_signal_connect (GTK_OBJECT (priv->shortcut_bar), "activate_shortcut", GTK_SIGNAL_FUNC (activate_shortcut_cb), shell_view); priv->shortcut_bar_box = gtk_vbox_new (FALSE, 0); shortcut_bar_title_bar = e_title_bar_new (_("Shortcuts")); gtk_widget_show (shortcut_bar_title_bar); gtk_box_pack_start (GTK_BOX (priv->shortcut_bar_box), shortcut_bar_title_bar, FALSE, FALSE, 0); gtk_box_pack_start (GTK_BOX (priv->shortcut_bar_box), priv->shortcut_bar, TRUE, TRUE, 0); gtk_signal_connect (GTK_OBJECT (shortcut_bar_title_bar), "close_button_clicked", GTK_SIGNAL_FUNC (shortcut_bar_close_button_clicked_cb), shell_view); /* The storage set view. */ priv->storage_set_view = e_storage_set_view_new (e_shell_get_storage_set (priv->shell)); gtk_signal_connect (GTK_OBJECT (priv->storage_set_view), "folder_selected", GTK_SIGNAL_FUNC (folder_selected_cb), shell_view); storage_set_view_scrolled_window = gtk_scrolled_window_new (NULL, NULL); gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (storage_set_view_scrolled_window), GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC); gtk_container_add (GTK_CONTAINER (storage_set_view_scrolled_window), priv->storage_set_view); priv->storage_set_view_box = gtk_vbox_new (FALSE, 0); storage_set_view_title_bar = e_title_bar_new (_("Folders")); gtk_box_pack_start (GTK_BOX (priv->storage_set_view_box), storage_set_view_title_bar, FALSE, FALSE, 0); gtk_box_pack_start (GTK_BOX (priv->storage_set_view_box), storage_set_view_scrolled_window, TRUE, TRUE, 0); gtk_signal_connect (GTK_OBJECT (storage_set_view_title_bar), "close_button_clicked", GTK_SIGNAL_FUNC (storage_set_view_close_button_clicked_cb), shell_view); /* The tabless notebook which we used to contain the views. */ priv->notebook = gtk_notebook_new (); gtk_notebook_set_show_border (GTK_NOTEBOOK (priv->notebook), FALSE); gtk_notebook_set_show_tabs (GTK_NOTEBOOK (priv->notebook), FALSE); /* Page for "No URL displayed" message. */ gtk_notebook_append_page (GTK_NOTEBOOK (priv->notebook), create_label_for_empty_page (), NULL); /* Put things into a paned and the paned into the GnomeApp. */ priv->hpaned2 = gtk_hpaned_new (); gtk_paned_add1 (GTK_PANED (priv->hpaned2), priv->storage_set_view_box); gtk_paned_add2 (GTK_PANED (priv->hpaned2), priv->notebook); gtk_paned_set_position (GTK_PANED (priv->hpaned2), DEFAULT_SHORTCUT_BAR_WIDTH); priv->hpaned1 = gtk_hpaned_new (); gtk_paned_add1 (GTK_PANED (priv->hpaned1), priv->shortcut_bar_box); gtk_paned_add2 (GTK_PANED (priv->hpaned1), priv->hpaned2); gtk_paned_set_position (GTK_PANED (priv->hpaned1), DEFAULT_SHORTCUT_BAR_WIDTH); gtk_container_set_border_width (GTK_CONTAINER (priv->hpaned1), 0); gtk_container_set_border_width (GTK_CONTAINER (priv->hpaned2), 0); gnome_app_set_contents (GNOME_APP (shell_view), priv->hpaned1); /* Show stuff. */ gtk_widget_show (priv->shortcut_bar); gtk_widget_show (priv->shortcut_bar_box); gtk_widget_show (priv->storage_set_view); gtk_widget_show (priv->storage_set_view_box); gtk_widget_show (storage_set_view_scrolled_window); gtk_widget_show (storage_set_view_title_bar); gtk_widget_show (priv->notebook); gtk_widget_show (priv->hpaned1); gtk_widget_show (priv->hpaned2); /* FIXME: Session management and stuff? */ gtk_window_set_default_size (GTK_WINDOW (shell_view), DEFAULT_WIDTH, DEFAULT_HEIGHT); } /* GtkObject methods. */ static void hash_forall_destroy_control (gpointer name, gpointer value, gpointer data) { CORBA_Object corba_control; CORBA_Environment ev; BonoboObject *bonobo_object; BonoboWidget *bonobo_widget; bonobo_widget = BONOBO_WIDGET (value); bonobo_object = BONOBO_OBJECT (bonobo_widget_get_server (bonobo_widget)); corba_control = bonobo_object_corba_objref (bonobo_object); g_return_if_fail (corba_control != CORBA_OBJECT_NIL); CORBA_exception_init (&ev); Bonobo_Unknown_unref (corba_control, &ev); CORBA_exception_free (&ev); g_free (name); } static void destroy (GtkObject *object) { EShellView *shell_view; EShellViewPrivate *priv; shell_view = E_SHELL_VIEW (object); priv = shell_view->priv; g_hash_table_foreach (priv->uri_to_control, hash_forall_destroy_control, NULL); g_hash_table_destroy (priv->uri_to_control); g_free (priv); (* GTK_OBJECT_CLASS (parent_class)->destroy) (object); } /* Initialization. */ static void class_init (EShellViewClass *klass) { GtkObjectClass *object_class; object_class = GTK_OBJECT_CLASS (klass); object_class->destroy = destroy; parent_class = gtk_type_class (gnome_app_get_type ()); } static void init (EShellView *shell_view) { EShellViewPrivate *priv; priv = g_new (EShellViewPrivate, 1); priv->shell = NULL; priv->uih = NULL; priv->uri = NULL; priv->hpaned1 = NULL; priv->hpaned2 = NULL; priv->contents = NULL; priv->notebook = NULL; priv->storage_set_view = NULL; priv->storage_set_view_box = NULL; priv->shortcut_bar = NULL; priv->shortcut_bar_box = NULL; priv->hpaned1_position = 0; priv->hpaned2_position = 0; priv->uri_to_control = g_hash_table_new (g_str_hash, g_str_equal); shell_view->priv = priv; } void e_shell_view_construct (EShellView *shell_view, EShell *shell) { EShellViewPrivate *priv; g_return_if_fail (shell_view != NULL); g_return_if_fail (E_IS_SHELL_VIEW (shell_view)); g_return_if_fail (shell != NULL); g_return_if_fail (E_IS_SHELL (shell)); gnome_app_construct (GNOME_APP (shell_view), "evolution", "Evolution"); priv = shell_view->priv; gtk_object_ref (GTK_OBJECT (shell)); priv->shell = shell; setup_widgets (shell_view); setup_menus (shell_view); } GtkWidget * e_shell_view_new (EShell *shell) { GtkWidget *new; g_return_val_if_fail (shell != NULL, NULL); g_return_val_if_fail (E_IS_SHELL (shell), NULL); new = gtk_type_new (e_shell_view_get_type ()); e_shell_view_construct (E_SHELL_VIEW (new), shell); return new; } static const char * get_storage_set_path_from_uri (const char *uri) { const char *colon; if (g_path_is_absolute (uri)) return NULL; colon = strchr (uri, ':'); if (colon == NULL || colon == uri || colon[1] == '\0') return NULL; if (! g_path_is_absolute (colon + 1)) return NULL; if (g_strncasecmp (uri, EVOLUTION_URI_PREFIX, colon - uri) != 0) return NULL; return colon + 1; } static void set_icon (EShellView *shell_view, EFolder *folder) { EShellViewPrivate *priv; const char *type; const char *icon_name; char *icon_path; priv = shell_view->priv; type = e_folder_get_type_string (folder); if (type == NULL) { icon_path = NULL; } else { EFolderTypeRepository *folder_type_repository; folder_type_repository = e_shell_get_folder_type_repository (priv->shell); icon_name = e_folder_type_repository_get_icon_name_for_type (folder_type_repository, type); if (icon_name == NULL) icon_path = NULL; else icon_path = e_shell_get_icon_path (icon_name); } if (icon_path == NULL) { gnome_window_icon_set_from_default (GTK_WINDOW (shell_view)); } else { gnome_window_icon_set_from_file (GTK_WINDOW (shell_view), icon_path); g_free (icon_path); } } static void update_for_current_uri (EShellView *shell_view) { EShellViewPrivate *priv; EFolder *folder; const char *folder_name; const char *path; char *window_title; priv = shell_view->priv; path = get_storage_set_path_from_uri (priv->uri); if (path == NULL) folder = NULL; else folder = e_storage_set_get_folder (e_shell_get_storage_set (priv->shell), path); if (folder == NULL) folder_name = _("None"); else folder_name = e_folder_get_name (folder); window_title = g_strdup_printf (_("Evolution - %s"), folder_name); gtk_window_set_title (GTK_WINDOW (shell_view), window_title); g_free (window_title); set_icon (shell_view, folder); gtk_signal_handler_block_by_func (GTK_OBJECT (priv->storage_set_view), GTK_SIGNAL_FUNC (folder_selected_cb), shell_view); e_storage_set_view_set_current_folder (E_STORAGE_SET_VIEW (priv->storage_set_view), path); gtk_signal_handler_unblock_by_func (GTK_OBJECT (priv->storage_set_view), GTK_SIGNAL_FUNC (folder_selected_cb), shell_view); } /* This displays the specified page, doing the appropriate Bonobo activation/deactivation magic to make sure things work nicely. FIXME: Crappy way to solve the issue. */ static void set_current_notebook_page (EShellView *shell_view, int page_num) { EShellViewPrivate *priv; GtkNotebook *notebook; GtkWidget *current; BonoboControlFrame *control_frame; int current_page; priv = shell_view->priv; notebook = GTK_NOTEBOOK (priv->notebook); current_page = gtk_notebook_get_current_page (notebook); if (current_page == page_num) return; if (current_page != -1 && current_page != 0) { current = gtk_notebook_get_nth_page (notebook, current_page); control_frame = bonobo_widget_get_control_frame (BONOBO_WIDGET (current)); bonobo_control_frame_set_autoactivate (control_frame, FALSE); bonobo_control_frame_control_deactivate (control_frame); } gtk_notebook_set_page (notebook, page_num); if (page_num == -1 || page_num == 0) return; current = gtk_notebook_get_nth_page (notebook, page_num); control_frame = bonobo_widget_get_control_frame (BONOBO_WIDGET (current)); bonobo_control_frame_set_autoactivate (control_frame, FALSE); bonobo_control_frame_control_activate (control_frame); } static void show_error (EShellView *shell_view, const char *uri) { EShellViewPrivate *priv; GtkWidget *label; char *s; priv = shell_view->priv; s = g_strdup_printf (_("Cannot open location: %s\n"), uri); label = gtk_label_new (s); g_free (s); gtk_widget_show (label); gtk_notebook_remove_page (GTK_NOTEBOOK (priv->notebook), 0); gtk_notebook_prepend_page (GTK_NOTEBOOK (priv->notebook), label, NULL); } /* Create a new view for @uri with @control. It assumes a view for @uri does not exist yet. */ static GtkWidget * get_control_for_uri (EShellView *shell_view, const char *uri) { EShellViewPrivate *priv; EFolderTypeRepository *folder_type_repository; EStorageSet *storage_set; EFolder *folder; Bonobo_UIHandler corba_uih; const char *control_id; const char *path; const char *folder_type; GtkWidget *control; priv = shell_view->priv; path = strchr (uri, ':'); if (path == NULL) return NULL; path++; if (*path == '\0') return NULL; storage_set = e_shell_get_storage_set (priv->shell); folder_type_repository = e_shell_get_folder_type_repository (priv->shell); folder = e_storage_set_get_folder (storage_set, path); if (folder == NULL) return NULL; folder_type = e_folder_get_type_string (folder); if (folder_type == NULL) return NULL; control_id = e_folder_type_repository_get_control_id_for_type (folder_type_repository, folder_type); if (control_id == NULL) return NULL; corba_uih = bonobo_object_corba_objref (BONOBO_OBJECT (priv->uih)); control = bonobo_widget_new_control (control_id, corba_uih); if (control == NULL) return NULL; bonobo_widget_set_property (BONOBO_WIDGET (control), "folder_uri", e_folder_get_physical_uri (folder), NULL); return control; } static gboolean show_existing_view (EShellView *shell_view, const char *uri, GtkWidget *control) { EShellViewPrivate *priv; int notebook_page; priv = shell_view->priv; notebook_page = gtk_notebook_page_num (GTK_NOTEBOOK (priv->notebook), control); g_assert (notebook_page != -1); /* A BonoboWidget can be a "zombie" in the sense that its actual control is dead; if it's zombie, we have to recreate it. */ if (bonobo_widget_is_dead (BONOBO_WIDGET (control))) { GtkWidget *parent; Bonobo_UIHandler uih; parent = control->parent; uih = bonobo_object_corba_objref (BONOBO_OBJECT (priv->uih)); /* Out with the old. */ gtk_container_remove (GTK_CONTAINER (parent), control); g_hash_table_remove (priv->uri_to_control, uri); /* In with the new. */ control = get_control_for_uri (shell_view, uri); if (control == NULL) return FALSE; gtk_container_add (GTK_CONTAINER (parent), control); g_hash_table_insert (priv->uri_to_control, g_strdup (uri), control); /* Show. */ gtk_widget_show (control); } set_current_notebook_page (shell_view, notebook_page); return TRUE; } static gboolean create_new_view_for_uri (EShellView *shell_view, const char *uri) { GtkWidget *control; EShellViewPrivate *priv; int page_num; priv = shell_view->priv; control = get_control_for_uri (shell_view, uri); if (control == NULL) { show_error (shell_view, uri); return FALSE; } gtk_widget_show (control); gtk_notebook_append_page (GTK_NOTEBOOK (priv->notebook), control, NULL); page_num = gtk_notebook_page_num (GTK_NOTEBOOK (priv->notebook), control); g_assert (page_num != -1); set_current_notebook_page (shell_view, page_num); g_hash_table_insert (priv->uri_to_control, g_strdup (uri), control); return TRUE; } gboolean e_shell_view_display_uri (EShellView *shell_view, const char *uri) { EShellViewPrivate *priv; GtkWidget *control; gboolean retval; g_return_val_if_fail (shell_view != NULL, FALSE); g_return_val_if_fail (E_IS_SHELL_VIEW (shell_view), FALSE); priv = shell_view->priv; if (uri == NULL) { gtk_notebook_remove_page (GTK_NOTEBOOK (priv->notebook), 0); gtk_notebook_prepend_page (GTK_NOTEBOOK (priv->notebook), create_label_for_empty_page (), NULL); set_current_notebook_page (shell_view, 0); if (priv->uri != NULL) { g_free (priv->uri); priv->uri = NULL; } retval = TRUE; goto end; } g_free (priv->uri); priv->uri = g_strdup (uri); if (strncmp (uri, EVOLUTION_URI_PREFIX, EVOLUTION_URI_PREFIX_LEN) != 0) { show_error (shell_view, uri); return FALSE; } control = g_hash_table_lookup (priv->uri_to_control, uri); if (control != NULL) { g_assert (GTK_IS_WIDGET (control)); show_existing_view (shell_view, uri, control); retval = TRUE; goto end; } if (! create_new_view_for_uri (shell_view, uri)) { show_error (shell_view, uri); retval = FALSE; goto end; } retval = TRUE; end: update_for_current_uri (shell_view); return retval; } void e_shell_view_show_shortcuts (EShellView *shell_view, gboolean show) { EShellViewPrivate *priv; g_return_if_fail (shell_view != NULL); g_return_if_fail (E_IS_SHELL_VIEW (shell_view)); priv = shell_view->priv; if (show) { if (! GTK_WIDGET_VISIBLE (priv->shortcut_bar_box)) { gtk_widget_show (priv->shortcut_bar_box); gtk_paned_set_position (GTK_PANED (priv->hpaned1), priv->hpaned1_position); } } else { if (GTK_WIDGET_VISIBLE (priv->shortcut_bar_box)) { gtk_widget_hide (priv->shortcut_bar_box); /* FIXME this is a private field! */ priv->hpaned1_position = GTK_PANED (priv->hpaned1)->child1_size; gtk_paned_set_position (GTK_PANED (priv->hpaned1), 0); } } } void e_shell_view_show_folders (EShellView *shell_view, gboolean show) { EShellViewPrivate *priv; g_return_if_fail (shell_view != NULL); g_return_if_fail (E_IS_SHELL_VIEW (shell_view)); priv = shell_view->priv; if (show) { if (! GTK_WIDGET_VISIBLE (priv->storage_set_view_box)) { gtk_widget_show (priv->storage_set_view_box); gtk_paned_set_position (GTK_PANED (priv->hpaned2), priv->hpaned2_position); } } else { if (GTK_WIDGET_VISIBLE (priv->storage_set_view_box)) { gtk_widget_hide (priv->storage_set_view_box); /* FIXME this is a private field! */ priv->hpaned2_position = GTK_PANED (priv->hpaned2)->child1_size; gtk_paned_set_position (GTK_PANED (priv->hpaned2), 0); } } } EShell * e_shell_view_get_shell (EShellView *shell_view) { g_return_val_if_fail (shell_view != NULL, NULL); g_return_val_if_fail (E_IS_SHELL_VIEW (shell_view), NULL); return shell_view->priv->shell; } E_MAKE_TYPE (e_shell_view, "EShellView", EShellView, class_init, init, PARENT_TYPE)