diff options
Diffstat (limited to 'widgets/table/e-tree-memory-callbacks.c')
| -rw-r--r-- | widgets/table/e-tree-memory-callbacks.c | 262 |
1 files changed, 0 insertions, 262 deletions
diff --git a/widgets/table/e-tree-memory-callbacks.c b/widgets/table/e-tree-memory-callbacks.c deleted file mode 100644 index adb5160bc2..0000000000 --- a/widgets/table/e-tree-memory-callbacks.c +++ /dev/null @@ -1,262 +0,0 @@ -/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ -/* - * e-tree-memory-callbacks.c: a Tree Model that offers a function pointer - * interface to using ETreeModel, similar to ETableSimple. - * - * Author: - * Chris Toshok (toshok@ximian.com) - * - * (C) 2000 Ximian, Inc. */ - -#include <config.h> -#include <gtk/gtksignal.h> -#include "gal/util/e-util.h" -#include "e-tree-memory-callbacks.h" - -#define PARENT_TYPE E_TREE_MEMORY_TYPE - -static GdkPixbuf * -etmc_icon_at (ETreeModel *etm, ETreePath node) -{ - ETreeMemoryCallbacks *etmc = E_TREE_MEMORY_CALLBACKS(etm); - - return etmc->icon_at (etm, node, etmc->model_data); -} - -static int -etmc_column_count (ETreeModel *etm) -{ - ETreeMemoryCallbacks *etmc = E_TREE_MEMORY_CALLBACKS(etm); - - if (etmc->column_count) - return etmc->column_count (etm, etmc->model_data); - else - return 0; -} - - -static gboolean -etmc_has_save_id (ETreeModel *etm) -{ - ETreeMemoryCallbacks *etmc = E_TREE_MEMORY_CALLBACKS(etm); - - if (etmc->has_save_id) - return etmc->has_save_id (etm, etmc->model_data); - else - return FALSE; -} - -static char * -etmc_get_save_id (ETreeModel *etm, ETreePath node) -{ - ETreeMemoryCallbacks *etmc = E_TREE_MEMORY_CALLBACKS(etm); - - if (etmc->get_save_id) - return etmc->get_save_id (etm, node, etmc->model_data); - else - return NULL; -} - -static gboolean -etmc_has_get_node_by_id (ETreeModel *etm) -{ - ETreeMemoryCallbacks *etmc = E_TREE_MEMORY_CALLBACKS(etm); - - if (etmc->has_get_node_by_id) - return etmc->has_get_node_by_id (etm, etmc->model_data); - else - return FALSE; -} - -static ETreePath -etmc_get_node_by_id (ETreeModel *etm, gchar *save_id) -{ - ETreeMemoryCallbacks *etmc = E_TREE_MEMORY_CALLBACKS(etm); - - if (etmc->get_node_by_id) - return etmc->get_node_by_id (etm, save_id, etmc->model_data); - else - return NULL; -} - - -static void * -etmc_value_at (ETreeModel *etm, ETreePath node, int col) -{ - ETreeMemoryCallbacks *etmc = E_TREE_MEMORY_CALLBACKS(etm); - - return etmc->value_at (etm, node, col, etmc->model_data); -} - -static void -etmc_set_value_at (ETreeModel *etm, ETreePath node, int col, const void *val) -{ - ETreeMemoryCallbacks *etmc = E_TREE_MEMORY_CALLBACKS(etm); - - etmc->set_value_at (etm, node, col, val, etmc->model_data); -} - -static gboolean -etmc_is_editable (ETreeModel *etm, ETreePath node, int col) -{ - ETreeMemoryCallbacks *etmc = E_TREE_MEMORY_CALLBACKS(etm); - - return etmc->is_editable (etm, node, col, etmc->model_data); -} - - -/* The default for etmc_duplicate_value is to return the raw value. */ -static void * -etmc_duplicate_value (ETreeModel *etm, int col, const void *value) -{ - ETreeMemoryCallbacks *etmc = E_TREE_MEMORY_CALLBACKS(etm); - - if (etmc->duplicate_value) - return etmc->duplicate_value (etm, col, value, etmc->model_data); - else - return (void *)value; -} - -static void -etmc_free_value (ETreeModel *etm, int col, void *value) -{ - ETreeMemoryCallbacks *etmc = E_TREE_MEMORY_CALLBACKS(etm); - - if (etmc->free_value) - etmc->free_value (etm, col, value, etmc->model_data); -} - -static void * -etmc_initialize_value (ETreeModel *etm, int col) -{ - ETreeMemoryCallbacks *etmc = E_TREE_MEMORY_CALLBACKS(etm); - - if (etmc->initialize_value) - return etmc->initialize_value (etm, col, etmc->model_data); - else - return NULL; -} - -static gboolean -etmc_value_is_empty (ETreeModel *etm, int col, const void *value) -{ - ETreeMemoryCallbacks *etmc = E_TREE_MEMORY_CALLBACKS(etm); - - if (etmc->value_is_empty) - return etmc->value_is_empty (etm, col, value, etmc->model_data); - else - return FALSE; -} - -static char * -etmc_value_to_string (ETreeModel *etm, int col, const void *value) -{ - ETreeMemoryCallbacks *etmc = E_TREE_MEMORY_CALLBACKS(etm); - - if (etmc->value_to_string) - return etmc->value_to_string (etm, col, value, etmc->model_data); - else - return g_strdup (""); -} - -static void -e_tree_memory_callbacks_class_init (GtkObjectClass *object_class) -{ - ETreeModelClass *model_class = (ETreeModelClass *) object_class; - - model_class->icon_at = etmc_icon_at; - - model_class->column_count = etmc_column_count; - - model_class->has_save_id = etmc_has_save_id; - model_class->get_save_id = etmc_get_save_id; - - model_class->has_get_node_by_id = etmc_has_get_node_by_id; - model_class->get_node_by_id = etmc_get_node_by_id; - - model_class->value_at = etmc_value_at; - model_class->set_value_at = etmc_set_value_at; - model_class->is_editable = etmc_is_editable; - - model_class->duplicate_value = etmc_duplicate_value; - model_class->free_value = etmc_free_value; - model_class->initialize_value = etmc_initialize_value; - model_class->value_is_empty = etmc_value_is_empty; - model_class->value_to_string = etmc_value_to_string; -} - -E_MAKE_TYPE(e_tree_memory_callbacks, "ETreeMemoryCallbacks", ETreeMemoryCallbacks, e_tree_memory_callbacks_class_init, NULL, PARENT_TYPE) - -/** - * e_tree_memory_callbacks_new: - * - * This initializes a new ETreeMemoryCallbacksModel object. - * ETreeMemoryCallbacksModel is an implementaiton of the somewhat - * abstract class ETreeMemory. The ETreeMemoryCallbacksModel is - * designed to allow people to easily create ETreeMemorys without - * having to create a new GtkType derived from ETreeMemory every time - * they need one. - * - * Instead, ETreeMemoryCallbacksModel uses a setup based in callback functions, every - * callback function signature mimics the signature of each ETreeModel method - * and passes the extra @data pointer to each one of the method to provide them - * with any context they might want to use. - * - * ETreeMemoryCallbacks is to ETreeMemory as ETableSimple is to ETableModel. - * - * Return value: An ETreeMemoryCallbacks object (which is also an - * ETreeMemory and thus an ETreeModel object). - * - */ -ETreeModel * -e_tree_memory_callbacks_new (ETreeMemoryCallbacksIconAtFn icon_at, - - ETreeMemoryCallbacksColumnCountFn column_count, - - ETreeMemoryCallbacksHasSaveIdFn has_save_id, - ETreeMemoryCallbacksGetSaveIdFn get_save_id, - - ETreeMemoryCallbacksHasGetNodeByIdFn has_get_node_by_id, - ETreeMemoryCallbacksGetNodeByIdFn get_node_by_id, - - ETreeMemoryCallbacksValueAtFn value_at, - ETreeMemoryCallbacksSetValueAtFn set_value_at, - ETreeMemoryCallbacksIsEditableFn is_editable, - - ETreeMemoryCallbacksDuplicateValueFn duplicate_value, - ETreeMemoryCallbacksFreeValueFn free_value, - ETreeMemoryCallbacksInitializeValueFn initialize_value, - ETreeMemoryCallbacksValueIsEmptyFn value_is_empty, - ETreeMemoryCallbacksValueToStringFn value_to_string, - - gpointer model_data) -{ - ETreeMemoryCallbacks *etmc; - - etmc = gtk_type_new (e_tree_memory_callbacks_get_type ()); - - etmc->icon_at = icon_at; - - etmc->column_count = column_count; - - etmc->has_save_id = has_save_id; - etmc->get_save_id = get_save_id; - - etmc->has_get_node_by_id = has_get_node_by_id; - etmc->get_node_by_id = get_node_by_id; - - etmc->value_at = value_at; - etmc->set_value_at = set_value_at; - etmc->is_editable = is_editable; - - etmc->duplicate_value = duplicate_value; - etmc->free_value = free_value; - etmc->initialize_value = initialize_value; - etmc->value_is_empty = value_is_empty; - etmc->value_to_string = value_to_string; - - etmc->model_data = model_data; - - return (ETreeModel*)etmc; -} - |