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Diffstat (limited to 'widgets/table/e-table-memory-callbacks.c')
-rw-r--r-- | widgets/table/e-table-memory-callbacks.c | 254 |
1 files changed, 0 insertions, 254 deletions
diff --git a/widgets/table/e-table-memory-callbacks.c b/widgets/table/e-table-memory-callbacks.c deleted file mode 100644 index c1089b5f28..0000000000 --- a/widgets/table/e-table-memory-callbacks.c +++ /dev/null @@ -1,254 +0,0 @@ -/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ -/* - * e-table-memory-callbacks.c: a simple table model implementation - * that uses function pointers to simplify the creation of new, exotic - * and colorful tables in no time. - * - * Author: - * Miguel de Icaza (miguel@gnu.org) - * - * (C) 1999, 2000 Ximian, Inc. - */ - -#include <config.h> -#include "e-table-memory-callbacks.h" - -enum { - ARG_0, - ARG_APPEND_ROW, -}; - -#define PARENT_TYPE e_table_memory_get_type () - -static int -etmc_column_count (ETableModel *etm) -{ - ETableMemoryCalbacks *etmc = E_TABLE_MEMORY_CALLBACKS(etm); - - if (etmc->col_count) - return etmc->col_count (etm, etmc->data); - else - return 0; -} - -static void * -etmc_value_at (ETableModel *etm, int col, int row) -{ - ETableMemoryCalbacks *etmc = E_TABLE_MEMORY_CALLBACKS(etm); - - if (etmc->value_at) - return etmc->value_at (etm, col, row, etmc->data); - else - return NULL; -} - -static void -etmc_set_value_at (ETableModel *etm, int col, int row, const void *val) -{ - ETableMemoryCalbacks *etmc = E_TABLE_MEMORY_CALLBACKS(etm); - - if (etmc->set_value_at) - etmc->set_value_at (etm, col, row, val, etmc->data); -} - -static gboolean -etmc_is_cell_editable (ETableModel *etm, int col, int row) -{ - ETableMemoryCalbacks *etmc = E_TABLE_MEMORY_CALLBACKS(etm); - - if (etmc->is_cell_editable) - return etmc->is_cell_editable (etm, col, row, etmc->data); - else - return FALSE; -} - -/* The default for etmc_duplicate_value is to return the raw value. */ -static void * -etmc_duplicate_value (ETableModel *etm, int col, const void *value) -{ - ETableMemoryCalbacks *etmc = E_TABLE_MEMORY_CALLBACKS(etm); - - if (etmc->duplicate_value) - return etmc->duplicate_value (etm, col, value, etmc->data); - else - return (void *)value; -} - -static void -etmc_free_value (ETableModel *etm, int col, void *value) -{ - ETableMemoryCalbacks *etmc = E_TABLE_MEMORY_CALLBACKS(etm); - - if (etmc->free_value) - etmc->free_value (etm, col, value, etmc->data); -} - -static void * -etmc_initialize_value (ETableModel *etm, int col) -{ - ETableMemoryCalbacks *etmc = E_TABLE_MEMORY_CALLBACKS(etm); - - if (etmc->initialize_value) - return etmc->initialize_value (etm, col, etmc->data); - else - return NULL; -} - -static gboolean -etmc_value_is_empty (ETableModel *etm, int col, const void *value) -{ - ETableMemoryCalbacks *etmc = E_TABLE_MEMORY_CALLBACKS(etm); - - if (etmc->value_is_empty) - return etmc->value_is_empty (etm, col, value, etmc->data); - else - return FALSE; -} - -static char * -etmc_value_to_string (ETableModel *etm, int col, const void *value) -{ - ETableMemoryCalbacks *etmc = E_TABLE_MEMORY_CALLBACKS(etm); - - if (etmc->value_to_string) - return etmc->value_to_string (etm, col, value, etmc->data); - else - return g_strdup (""); -} - -static void -etmc_append_row (ETableModel *etm, ETableModel *source, int row) -{ - ETableMemoryCalbacks *etmc = E_TABLE_MEMORY_CALLBACKS(etm); - - if (etmc->append_row) - etmc->append_row (etm, source, row, etmc->data); -} - -static void -etmc_get_arg (GtkObject *o, GtkArg *arg, guint arg_id) -{ - ETableMemoryCalbacks *etmc = E_TABLE_MEMORY_CALLBACKS (o); - - switch (arg_id){ - case ARG_APPEND_ROW: - GTK_VALUE_POINTER(*arg) = etmc->append_row; - break; - } -} - -static void -etmc_set_arg (GtkObject *o, GtkArg *arg, guint arg_id) -{ - ETableMemoryCalbacks *etmc = E_TABLE_MEMORY_CALLBACKS (o); - - switch (arg_id){ - case ARG_APPEND_ROW: - etmc->append_row = GTK_VALUE_POINTER(*arg); - break; - default: - arg->type = GTK_TYPE_INVALID; - } -} - -static void -e_table_memory_callbacks_class_init (GtkObjectClass *object_class) -{ - ETableModelClass *model_class = (ETableModelClass *) object_class; - - object_class->set_arg = etmc_set_arg; - object_class->get_arg = etmc_get_arg; - - model_class->column_count = etmc_column_count; - model_class->value_at = etmc_value_at; - model_class->set_value_at = etmc_set_value_at; - model_class->is_cell_editable = etmc_is_cell_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; - model_class->append_row = etmc_append_row; - - gtk_object_add_arg_type ("ETableMemoryCalbacks::append_row", GTK_TYPE_POINTER, - GTK_ARG_READWRITE, ARG_APPEND_ROW); -} - -GtkType -e_table_memory_callbacks_get_type (void) -{ - static GtkType type = 0; - - if (!type){ - GtkTypeInfo info = { - "ETableMemoryCalbacks", - sizeof (ETableMemoryCalbacks), - sizeof (ETableMemoryCalbacksClass), - (GtkClassInitFunc) e_table_memory_callbacks_class_init, - (GtkObjectInitFunc) NULL, - NULL, /* reserved 1 */ - NULL, /* reserved 2 */ - (GtkClassInitFunc) NULL - }; - - type = gtk_type_unique (PARENT_TYPE, &info); - } - - return type; -} - -/** - * e_table_memory_callbacks_new: - * @col_count: - * @value_at: - * @set_value_at: - * @is_cell_editable: - * @duplicate_value: - * @free_value: - * @initialize_value: - * @value_is_empty: - * @value_to_string: - * @data: closure pointer. - * - * This initializes a new ETableMemoryCalbacksModel object. ETableMemoryCalbacksModel is - * an implementaiton of the abstract class ETableModel. The ETableMemoryCalbacksModel - * is designed to allow people to easily create ETableModels without having - * to create a new GtkType derived from ETableModel every time they need one. - * - * Instead, ETableMemoryCalbacksModel uses a setup based in callback functions, every - * callback function signature mimics the signature of each ETableModel method - * and passes the extra @data pointer to each one of the method to provide them - * with any context they might want to use. - * - * Returns: An ETableMemoryCalbacksModel object (which is also an ETableModel - * object). - */ -ETableModel * -e_table_memory_callbacks_new (ETableMemoryCalbacksColumnCountFn col_count, - ETableMemoryCalbacksValueAtFn value_at, - ETableMemoryCalbacksSetValueAtFn set_value_at, - ETableMemoryCalbacksIsCellEditableFn is_cell_editable, - ETableMemoryCalbacksDuplicateValueFn duplicate_value, - ETableMemoryCalbacksFreeValueFn free_value, - ETableMemoryCalbacksInitializeValueFn initialize_value, - ETableMemoryCalbacksValueIsEmptyFn value_is_empty, - ETableMemoryCalbacksValueToStringFn value_to_string, - void *data) -{ - ETableMemoryCalbacks *et; - - et = gtk_type_new (e_table_memory_callbacks_get_type ()); - - et->col_count = col_count; - et->value_at = value_at; - et->set_value_at = set_value_at; - et->is_cell_editable = is_cell_editable; - et->duplicate_value = duplicate_value; - et->free_value = free_value; - et->initialize_value = initialize_value; - et->value_is_empty = value_is_empty; - et->value_to_string = value_to_string; - et->data = data; - - return (ETableModel *) et; - } |