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Diffstat (limited to 'widgets/menus/gal-view-instance.c')
| -rw-r--r-- | widgets/menus/gal-view-instance.c | 592 |
1 files changed, 0 insertions, 592 deletions
diff --git a/widgets/menus/gal-view-instance.c b/widgets/menus/gal-view-instance.c deleted file mode 100644 index e43fa92fb7..0000000000 --- a/widgets/menus/gal-view-instance.c +++ /dev/null @@ -1,592 +0,0 @@ -/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ -/* - * gal-view-instance.c - * Copyright 2000, 2001, Ximian, Inc. - * - * Authors: - * Chris Lahey <clahey@ximian.com> - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Library General Public - * License, version 2, as published by the Free Software Foundation. - * - * This library 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 - * Library General Public License for more details. - * - * You should have received a copy of the GNU Library General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA - * 02111-1307, USA. - */ - -#include <config.h> - -#include <util/e-i18n.h> -#include <ctype.h> -#include <string.h> -#include <libxml/parser.h> -#include <libgnome/gnome-util.h> -#include <gal/util/e-util.h> -#include <gal/util/e-xml-utils.h> -#include <gal/widgets/e-unicode.h> -#include "gal-view-instance.h" -#include "gal-view-instance-save-as-dialog.h" -#include "gal-define-views-dialog.h" -#include <sys/stat.h> -#include <unistd.h> -#include <gtk/gtkcheckmenuitem.h> - -#define PARENT_TYPE G_TYPE_OBJECT - -static GObjectClass *gal_view_instance_parent_class; - -static const EPopupMenu separator = E_POPUP_SEPARATOR; -static const EPopupMenu terminator = E_POPUP_TERMINATOR; - - -#define d(x) x - -enum { - DISPLAY_VIEW, - CHANGED, - LAST_SIGNAL -}; - -static guint gal_view_instance_signals [LAST_SIGNAL] = { 0, }; - -static void -gal_view_instance_changed (GalViewInstance *instance) -{ - g_return_if_fail (instance != NULL); - g_return_if_fail (GAL_IS_VIEW_INSTANCE (instance)); - - g_signal_emit (instance, - gal_view_instance_signals [CHANGED], 0); -} - -static void -gal_view_instance_display_view (GalViewInstance *instance, GalView *view) -{ - g_return_if_fail (instance != NULL); - g_return_if_fail (GAL_IS_VIEW_INSTANCE (instance)); - - g_signal_emit (instance, - gal_view_instance_signals [DISPLAY_VIEW], 0, - view); -} - -static void -save_current_view (GalViewInstance *instance) -{ - xmlDoc *doc; - xmlNode *root; - - doc = xmlNewDoc("1.0"); - root = xmlNewNode (NULL, "GalViewCurrentView"); - xmlDocSetRootElement(doc, root); - - if (instance->current_id) - e_xml_set_string_prop_by_name (root, "current_view", instance->current_id); - if (instance->current_type) - e_xml_set_string_prop_by_name (root, "current_view_type", instance->current_type); - - xmlSaveFile(instance->current_view_filename, doc); - xmlFreeDoc(doc); -} - -static void -view_changed (GalView *view, GalViewInstance *instance) -{ - if (instance->current_id != NULL) { - g_free (instance->current_id); - instance->current_id = NULL; - save_current_view (instance); - gal_view_instance_changed(instance); - } - - gal_view_save (view, instance->custom_filename); -} - -static void -disconnect_view (GalViewInstance *instance) -{ - if (instance->current_view) { - if (instance->view_changed_id) { - g_signal_handler_disconnect (instance->current_view, - instance->view_changed_id); - } - - g_object_unref (instance->current_view); - } - g_free (instance->current_type); - g_free (instance->current_title); - instance->current_title = NULL; - instance->current_type = NULL; - instance->view_changed_id = 0; - instance->current_view = NULL; -} - -static void -connect_view (GalViewInstance *instance, GalView *view) -{ - if (instance->current_view) - disconnect_view (instance); - instance->current_view = view; - - instance->current_title = g_strdup (gal_view_get_title(view)); - instance->current_type = g_strdup (gal_view_get_type_code(view)); - instance->view_changed_id = - g_signal_connect(instance->current_view, "changed", - G_CALLBACK (view_changed), instance); - - gal_view_instance_display_view (instance, instance->current_view); -} - -static void -gal_view_instance_dispose (GObject *object) -{ - GalViewInstance *instance = GAL_VIEW_INSTANCE(object); - - if (instance->collection) { - if (instance->collection_changed_id) { - g_signal_handler_disconnect (instance->collection, - instance->collection_changed_id); - } - g_object_unref (instance->collection); - } - - g_free (instance->instance_id); - g_free (instance->custom_filename); - g_free (instance->current_view_filename); - - g_free (instance->current_id); - disconnect_view (instance); - - g_free (instance->default_view); - - if (gal_view_instance_parent_class->dispose) - (*gal_view_instance_parent_class->dispose)(object); -} - -static void -gal_view_instance_class_init (GObjectClass *object_class) -{ - GalViewInstanceClass *klass = GAL_VIEW_INSTANCE_CLASS(object_class); - gal_view_instance_parent_class = g_type_class_ref (PARENT_TYPE); - - object_class->dispose = gal_view_instance_dispose; - - gal_view_instance_signals [DISPLAY_VIEW] = - g_signal_new ("display_view", - G_OBJECT_CLASS_TYPE (object_class), - G_SIGNAL_RUN_LAST, - G_STRUCT_OFFSET (GalViewInstanceClass, display_view), - NULL, NULL, - g_cclosure_marshal_VOID__OBJECT, - G_TYPE_NONE, 1, GAL_VIEW_TYPE); - - gal_view_instance_signals [CHANGED] = - g_signal_new ("changed", - G_OBJECT_CLASS_TYPE (object_class), - G_SIGNAL_RUN_LAST, - G_STRUCT_OFFSET (GalViewInstanceClass, changed), - NULL, NULL, - g_cclosure_marshal_VOID__VOID, - G_TYPE_NONE, 0); - - klass->display_view = NULL; - klass->changed = NULL; -} - -static void -gal_view_instance_init (GalViewInstance *instance) -{ - instance->collection = NULL; - - instance->instance_id = NULL; - instance->custom_filename = NULL; - instance->current_view_filename = NULL; - - instance->current_title = NULL; - instance->current_type = NULL; - instance->current_id = NULL; - instance->current_view = NULL; - - instance->view_changed_id = 0; - instance->collection_changed_id = 0; - - instance->loaded = FALSE; - instance->default_view = NULL; -} - -E_MAKE_TYPE(gal_view_instance, "GalViewInstance", GalViewInstance, gal_view_instance_class_init, gal_view_instance_init, PARENT_TYPE) - -static void -collection_changed (GalView *view, GalViewInstance *instance) -{ - if (instance->current_id) { - char *view_id = instance->current_id; - instance->current_id = NULL; - gal_view_instance_set_current_view_id (instance, view_id); - g_free (view_id); - } -} - -static void -load_current_view (GalViewInstance *instance) -{ - xmlDoc *doc; - xmlNode *root; - GalView *view = NULL; - - doc = xmlParseFile(instance->current_view_filename); - - if (doc == NULL) { - instance->current_id = g_strdup (gal_view_instance_get_default_view (instance)); - - if (instance->current_id) { - int index = gal_view_collection_get_view_index_by_id (instance->collection, - instance->current_id); - - if (index != -1) { - view = gal_view_collection_get_view (instance->collection, - index); - view = gal_view_clone(view); - connect_view (instance, view); - } - } - return; - } - - root = xmlDocGetRootElement(doc); - instance->current_id = e_xml_get_string_prop_by_name_with_default (root, "current_view", NULL); - - if (instance->current_id != NULL) { - int index = gal_view_collection_get_view_index_by_id (instance->collection, - instance->current_id); - - if (index != -1) { - view = gal_view_collection_get_view (instance->collection, - index); - view = gal_view_clone(view); - } - } - if (view == NULL) { - char *type; - type = e_xml_get_string_prop_by_name_with_default (root, "current_view_type", NULL); - view = gal_view_collection_load_view_from_file (instance->collection, - type, - instance->custom_filename); - g_free (type); - } - - connect_view (instance, view); - - xmlFreeDoc(doc); -} - -/** - * gal_view_instance_new: - * @collection: This %GalViewCollection should be loaded before being passed to this function. - * @instance_id: Which instance of this type of object is this (for most of evo, this is the folder id.) - * - * Create a new %GalViewInstance. - * - * Return value: The new %GalViewInstance. - **/ -GalViewInstance * -gal_view_instance_new (GalViewCollection *collection, const char *instance_id) -{ - GalViewInstance *instance = g_object_new (GAL_VIEW_INSTANCE_TYPE, NULL); - if (gal_view_instance_construct (instance, collection, instance_id)) - return instance; - else { - g_object_unref (instance); - return NULL; - } -} - -GalViewInstance * -gal_view_instance_construct (GalViewInstance *instance, GalViewCollection *collection, const char *instance_id) -{ - char *filename; - char *safe_id; - - g_return_val_if_fail (gal_view_collection_loaded (collection), NULL); - - instance->collection = collection; - if (collection) - g_object_ref (collection); - instance->collection_changed_id = - g_signal_connect (collection, "changed", - G_CALLBACK (collection_changed), instance); - - if (instance_id) - instance->instance_id = g_strdup (instance_id); - else - instance->instance_id = g_strdup (""); - - safe_id = g_strdup (instance->instance_id); - e_filename_make_safe (safe_id); - - filename = g_strdup_printf ("custom_view-%s.xml", safe_id); - instance->custom_filename = g_concat_dir_and_file (instance->collection->local_dir, filename); - g_free (filename); - - filename = g_strdup_printf ("current_view-%s.xml", safe_id); - instance->current_view_filename = g_concat_dir_and_file (instance->collection->local_dir, filename); - g_free (filename); - - g_free (safe_id); - - return instance; -} - -/* Manipulate the current view. */ -char * -gal_view_instance_get_current_view_id (GalViewInstance *instance) -{ - if (instance->current_id && gal_view_collection_get_view_index_by_id (instance->collection, instance->current_id) != -1) - return g_strdup (instance->current_id); - else - return NULL; -} - -void -gal_view_instance_set_current_view_id (GalViewInstance *instance, const char *view_id) -{ - GalView *view; - int index; - - g_return_if_fail (instance != NULL); - g_return_if_fail (GAL_IS_VIEW_INSTANCE (instance)); - - d(g_print("%s: view_id set to %s\n", __FUNCTION__, view_id)); - - if (instance->current_id && !strcmp (instance->current_id, view_id)) - return; - - g_free (instance->current_id); - instance->current_id = g_strdup (view_id); - - index = gal_view_collection_get_view_index_by_id (instance->collection, view_id); - if (index != -1) { - view = gal_view_collection_get_view (instance->collection, index); - connect_view (instance, gal_view_clone (view)); - } - - save_current_view (instance); - gal_view_instance_changed(instance); - gal_view_instance_display_view (instance, instance->current_view); -} - -GalView * -gal_view_instance_get_current_view (GalViewInstance *instance) -{ - return instance->current_view; -} - -void -gal_view_instance_set_custom_view (GalViewInstance *instance, GalView *view) -{ - g_free (instance->current_id); - instance->current_id = NULL; - - view = gal_view_clone (view); - connect_view (instance, view); - gal_view_save (view, instance->custom_filename); - save_current_view (instance); - gal_view_instance_changed(instance); -} - -static void -dialog_response(GtkWidget *dialog, int id, GalViewInstance *instance) -{ - if (id == GTK_RESPONSE_OK) { - gal_view_instance_save_as_dialog_save (GAL_VIEW_INSTANCE_SAVE_AS_DIALOG (dialog)); - } - gtk_widget_destroy (dialog); -} - -void -gal_view_instance_save_as (GalViewInstance *instance) -{ - GtkWidget *dialog = gal_view_instance_save_as_dialog_new(instance); - g_signal_connect(dialog, "response", - G_CALLBACK(dialog_response), instance); - gtk_widget_show(dialog); -} - -/* This is idempotent. Once it's been called once, the rest of the calls are ignored. */ -void -gal_view_instance_load (GalViewInstance *instance) -{ - if (!instance->loaded) { - load_current_view (instance); - instance->loaded = TRUE; - } -} - -/* These only mean anything before gal_view_instance_load is called the first time. */ -const char * -gal_view_instance_get_default_view (GalViewInstance *instance) -{ - if (instance->default_view) - return instance->default_view; - else - return gal_view_collection_get_default_view (instance->collection); -} - -void -gal_view_instance_set_default_view (GalViewInstance *instance, const char *id) -{ - g_free (instance->default_view); - instance->default_view = g_strdup (id); -} - -gboolean -gal_view_instance_exists (GalViewInstance *instance) -{ - struct stat st; - - if (instance->current_view_filename && stat (instance->current_view_filename, &st) == 0 && st.st_size > 0 && S_ISREG (st.st_mode)) - return TRUE; - else - return FALSE; - -} - -typedef struct { - GalViewInstance *instance; - char *id; -} ListenerClosure; - -static void -view_item_cb (GtkWidget *widget, - gpointer user_data) -{ - ListenerClosure *closure = user_data; - - if (GTK_CHECK_MENU_ITEM (widget)->active) { - gal_view_instance_set_current_view_id (closure->instance, closure->id); - } -} - -static void -add_popup_radio_item (EPopupMenu *menu_item, - gchar *title, - GtkSignalFunc fn, - gpointer closure, - gboolean value) -{ - const EPopupMenu menu_item_struct = - E_POPUP_RADIO_ITEM_CC (title, - fn, - closure, - 0, - value); - - e_popup_menu_copy_1 (menu_item, &menu_item_struct); -} - -static void -add_popup_menu_item (EPopupMenu *menu_item, - gchar *title, - GCallback fn, - gpointer closure) -{ - const EPopupMenu menu_item_struct = - E_POPUP_ITEM_CC (title, - fn, - closure, - 0); - - e_popup_menu_copy_1 (menu_item, &menu_item_struct); -} - -static void -define_views_dialog_response(GtkWidget *dialog, int id, GalViewInstance *instance) -{ - if (id == GTK_RESPONSE_OK) { - gal_view_collection_save(instance->collection); - } - gtk_widget_destroy (dialog); -} - -static void -define_views_cb(GtkWidget *widget, - GalViewInstance *instance) -{ - GtkWidget *dialog = gal_define_views_dialog_new(instance->collection); - g_signal_connect(dialog, "response", - G_CALLBACK(define_views_dialog_response), instance); - gtk_widget_show(dialog); -} - -static void -save_current_view_cb(GtkWidget *widget, - GalViewInstance *instance) -{ - gal_view_instance_save_as (instance); -} - -EPopupMenu * -gal_view_instance_get_popup_menu (GalViewInstance *instance) -{ - EPopupMenu *ret_val; - int length; - int i; - gboolean found = FALSE; - char *id; - - length = gal_view_collection_get_count(instance->collection); - id = gal_view_instance_get_current_view_id (instance); - - ret_val = g_new (EPopupMenu, length + 6); - - for (i = 0; i < length; i++) { - gboolean value = FALSE; - GalViewCollectionItem *item = gal_view_collection_get_view_item(instance->collection, i); - ListenerClosure *closure; - - closure = g_new (ListenerClosure, 1); - closure->instance = instance; - closure->id = item->id; - g_object_ref (closure->instance); - - if (!found && id && !strcmp (id, item->id)) { - found = TRUE; - value = TRUE; - } - - add_popup_radio_item (ret_val + i, item->title, G_CALLBACK (view_item_cb), closure, value); - } - - if (!found) { - e_popup_menu_copy_1 (ret_val + i++, &separator); - - add_popup_radio_item (ret_val + i++, N_("Custom View"), NULL, NULL, TRUE); - add_popup_menu_item (ret_val + i++, N_("Save Custom View"), G_CALLBACK (save_current_view_cb), instance); - } - - e_popup_menu_copy_1 (ret_val + i++, &separator); - add_popup_menu_item (ret_val + i++, N_("Define Views"), G_CALLBACK (define_views_cb), instance); - e_popup_menu_copy_1 (ret_val + i++, &terminator); - - return ret_val; -} - -void -gal_view_instance_free_popup_menu (GalViewInstance *instance, EPopupMenu *menu) -{ - int i; - /* This depends on the first non-custom closure to be a separator or a terminator. */ - for (i = 0; menu[i].name && *(menu[i].name); i++) { - g_object_unref (((ListenerClosure *)(menu[i].closure))->instance); - g_free (menu[i].closure); - } - - e_popup_menu_free (menu); -} |