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Diffstat (limited to 'widgets/table/e-table-memory-store.c')
| -rw-r--r-- | widgets/table/e-table-memory-store.c | 583 |
1 files changed, 0 insertions, 583 deletions
diff --git a/widgets/table/e-table-memory-store.c b/widgets/table/e-table-memory-store.c deleted file mode 100644 index 69765b32ab..0000000000 --- a/widgets/table/e-table-memory-store.c +++ /dev/null @@ -1,583 +0,0 @@ -/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ -/* - * e-table-memory-store.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 <string.h> -#include "e-table-memory-store.h" -#include "gal/util/e-util.h" - -#define STORE_LOCATOR(etms, col, row) (*((etms)->priv->store + (row) * (etms)->priv->col_count + (col))) - -static ETableMemoryClass *parent_class; - -struct _ETableMemoryStorePrivate { - int col_count; - ETableMemoryStoreColumnInfo *columns; - void **store; -}; - -static void * -duplicate_value (ETableMemoryStore *etms, int col, const void *val) -{ - switch (etms->priv->columns[col].type) { - case E_TABLE_MEMORY_STORE_COLUMN_TYPE_STRING: - return g_strdup (val); - case E_TABLE_MEMORY_STORE_COLUMN_TYPE_PIXBUF: - if (val) - gdk_pixbuf_ref ((void *) val); - return (void *) val; - case E_TABLE_MEMORY_STORE_COLUMN_TYPE_OBJECT: - if (val) - g_object_ref ((void *) val); - return (void *) val; - case E_TABLE_MEMORY_STORE_COLUMN_TYPE_CUSTOM: - if (etms->priv->columns[col].custom.duplicate_value) - return etms->priv->columns[col].custom.duplicate_value (E_TABLE_MODEL (etms), col, val, NULL); - break; - default: - break; - } - return (void *) val; -} - -static void -free_value (ETableMemoryStore *etms, int col, void *value) -{ - switch (etms->priv->columns[col].type) { - case E_TABLE_MEMORY_STORE_COLUMN_TYPE_STRING: - g_free (value); - break; - case E_TABLE_MEMORY_STORE_COLUMN_TYPE_PIXBUF: - if (value) - gdk_pixbuf_unref (value); - break; - case E_TABLE_MEMORY_STORE_COLUMN_TYPE_OBJECT: - if (value) - g_object_unref (value); - break; - case E_TABLE_MEMORY_STORE_COLUMN_TYPE_CUSTOM: - if (etms->priv->columns[col].custom.free_value) - etms->priv->columns[col].custom.free_value (E_TABLE_MODEL (etms), col, value, NULL); - break; - default: - break; - } -} - - -static int -etms_column_count (ETableModel *etm) -{ - ETableMemoryStore *etms = E_TABLE_MEMORY_STORE(etm); - - return etms->priv->col_count; -} - -static void * -etms_value_at (ETableModel *etm, int col, int row) -{ - ETableMemoryStore *etms = E_TABLE_MEMORY_STORE(etm); - - return STORE_LOCATOR (etms, col, row); -} - -static void -etms_set_value_at (ETableModel *etm, int col, int row, const void *val) -{ - ETableMemoryStore *etms = E_TABLE_MEMORY_STORE(etm); - - e_table_model_pre_change (etm); - - STORE_LOCATOR (etms, col, row) = duplicate_value (etms, col, val); - - e_table_model_cell_changed (etm, col, row); -} - -static gboolean -etms_is_cell_editable (ETableModel *etm, int col, int row) -{ - ETableMemoryStore *etms = E_TABLE_MEMORY_STORE(etm); - - return etms->priv->columns[col].editable; -} - -/* The default for etms_duplicate_value is to return the raw value. */ -static void * -etms_duplicate_value (ETableModel *etm, int col, const void *value) -{ - ETableMemoryStore *etms = E_TABLE_MEMORY_STORE(etm); - - return duplicate_value (etms, col, value); -} - -static void -etms_free_value (ETableModel *etm, int col, void *value) -{ - ETableMemoryStore *etms = E_TABLE_MEMORY_STORE(etm); - - free_value (etms, col, value); -} - -static void * -etms_initialize_value (ETableModel *etm, int col) -{ - ETableMemoryStore *etms = E_TABLE_MEMORY_STORE(etm); - - switch (etms->priv->columns[col].type) { - case E_TABLE_MEMORY_STORE_COLUMN_TYPE_STRING: - return g_strdup (""); - case E_TABLE_MEMORY_STORE_COLUMN_TYPE_PIXBUF: - return NULL; - case E_TABLE_MEMORY_STORE_COLUMN_TYPE_CUSTOM: - case E_TABLE_MEMORY_STORE_COLUMN_TYPE_OBJECT: - if (etms->priv->columns[col].custom.initialize_value) - return etms->priv->columns[col].custom.initialize_value (E_TABLE_MODEL (etms), col, NULL); - break; - default: - break; - } - return 0; -} - -static gboolean -etms_value_is_empty (ETableModel *etm, int col, const void *value) -{ - ETableMemoryStore *etms = E_TABLE_MEMORY_STORE(etm); - - switch (etms->priv->columns[col].type) { - case E_TABLE_MEMORY_STORE_COLUMN_TYPE_STRING: - return !(value && *(char *) value); - case E_TABLE_MEMORY_STORE_COLUMN_TYPE_PIXBUF: - return value == NULL; - case E_TABLE_MEMORY_STORE_COLUMN_TYPE_CUSTOM: - case E_TABLE_MEMORY_STORE_COLUMN_TYPE_OBJECT: - if (etms->priv->columns[col].custom.value_is_empty) - return etms->priv->columns[col].custom.value_is_empty (E_TABLE_MODEL (etms), col, value, NULL); - break; - default: - break; - } - return value == 0; -} - -static char * -etms_value_to_string (ETableModel *etm, int col, const void *value) -{ - ETableMemoryStore *etms = E_TABLE_MEMORY_STORE(etm); - - switch (etms->priv->columns[col].type) { - case E_TABLE_MEMORY_STORE_COLUMN_TYPE_STRING: - return g_strdup (value); - case E_TABLE_MEMORY_STORE_COLUMN_TYPE_PIXBUF: - return g_strdup (""); - case E_TABLE_MEMORY_STORE_COLUMN_TYPE_CUSTOM: - case E_TABLE_MEMORY_STORE_COLUMN_TYPE_OBJECT: - if (etms->priv->columns[col].custom.value_is_empty) - return etms->priv->columns[col].custom.value_to_string (E_TABLE_MODEL (etms), col, value, NULL); - break; - default: - break; - } - return g_strdup_printf ("%d", GPOINTER_TO_INT (value)); -} - -static void -etms_append_row (ETableModel *etm, ETableModel *source, int row) -{ - ETableMemoryStore *etms = E_TABLE_MEMORY_STORE(etm); - void **new_data; - int i; - int row_count; - - new_data = g_new (void *, etms->priv->col_count); - - for (i = 0; i < etms->priv->col_count; i++) { - new_data[i] = e_table_model_value_at (source, i, row); - } - - row_count = e_table_model_row_count (E_TABLE_MODEL (etms)); - - e_table_memory_store_insert_array (etms, row_count, new_data, NULL); -} - -static void -etms_finalize (GObject *obj) -{ - ETableMemoryStore *etms = (ETableMemoryStore *) obj; - - if (etms->priv) { - e_table_memory_store_clear (etms); - - g_free (etms->priv->columns); - g_free (etms->priv->store); - g_free (etms->priv); - } - - if (G_OBJECT_CLASS (parent_class)->finalize) - G_OBJECT_CLASS (parent_class)->finalize (obj); -} - -static void -e_table_memory_store_init (ETableMemoryStore *etms) -{ - etms->priv = g_new (ETableMemoryStorePrivate, 1); - - etms->priv->col_count = 0; - etms->priv->columns = NULL; - etms->priv->store = NULL; -} - -static void -e_table_memory_store_class_init (GObjectClass *object_class) -{ - ETableModelClass *model_class = (ETableModelClass *) object_class; - - parent_class = g_type_class_peek_parent (object_class); - - object_class->finalize = etms_finalize; - - model_class->column_count = etms_column_count; - model_class->value_at = etms_value_at; - model_class->set_value_at = etms_set_value_at; - model_class->is_cell_editable = etms_is_cell_editable; - model_class->duplicate_value = etms_duplicate_value; - model_class->free_value = etms_free_value; - model_class->initialize_value = etms_initialize_value; - model_class->value_is_empty = etms_value_is_empty; - model_class->value_to_string = etms_value_to_string; - model_class->append_row = etms_append_row; -} - -E_MAKE_TYPE(e_table_memory_store, "ETableMemoryStore", ETableMemoryStore, e_table_memory_store_class_init, e_table_memory_store_init, E_TABLE_MEMORY_TYPE) - -/** - * e_table_memory_store_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 ETableMemoryStoreModel object. ETableMemoryStoreModel is - * an implementaiton of the abstract class ETableModel. The ETableMemoryStoreModel - * 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, ETableMemoryStoreModel 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 ETableMemoryStoreModel object (which is also an ETableModel - * object). - */ -ETableModel * -e_table_memory_store_new (ETableMemoryStoreColumnInfo *columns) -{ - ETableMemoryStore *et = g_object_new (E_TABLE_MEMORY_STORE_TYPE, NULL); - - if (e_table_memory_store_construct (et, columns)) { - return (ETableModel *) et; - } else { - g_object_unref (et); - return NULL; - } -} - -ETableModel * -e_table_memory_store_construct (ETableMemoryStore *etms, ETableMemoryStoreColumnInfo *columns) -{ - int i; - for (i = 0; columns[i].type != E_TABLE_MEMORY_STORE_COLUMN_TYPE_TERMINATOR; i++) - /* Intentionally blank */; - etms->priv->col_count = i; - - etms->priv->columns = g_new (ETableMemoryStoreColumnInfo, etms->priv->col_count + 1); - - memcpy (etms->priv->columns, columns, (etms->priv->col_count + 1) * sizeof (ETableMemoryStoreColumnInfo)); - - return E_TABLE_MODEL (etms); -} - - -void -e_table_memory_store_adopt_value_at (ETableMemoryStore *etms, int col, int row, void *value) -{ - e_table_model_pre_change (E_TABLE_MODEL (etms)); - - STORE_LOCATOR (etms, col, row) = value; - - e_table_model_cell_changed (E_TABLE_MODEL (etms), col, row); -} - -/* The size of these arrays is the number of columns. */ -void -e_table_memory_store_insert_array (ETableMemoryStore *etms, int row, void **store, gpointer data) -{ - int row_count; - int i; - - row_count = e_table_model_row_count (E_TABLE_MODEL (etms)) + 1; - if (row == -1) - row = row_count - 1; - etms->priv->store = g_realloc (etms->priv->store, etms->priv->col_count * row_count * sizeof (void *)); - memmove (etms->priv->store + etms->priv->col_count * (row + 1), - etms->priv->store + etms->priv->col_count * row, - etms->priv->col_count * (row_count - row - 1) * sizeof (void *)); - - for (i = 0; i < etms->priv->col_count; i++) { - STORE_LOCATOR(etms, i, row) = duplicate_value(etms, i, store[i]); - } - - e_table_memory_insert (E_TABLE_MEMORY (etms), row, data); -} - -void -e_table_memory_store_insert (ETableMemoryStore *etms, int row, gpointer data, ...) -{ - void **store; - va_list args; - int i; - - store = g_new (void *, etms->priv->col_count + 1); - - va_start (args, data); - for (i = 0; i < etms->priv->col_count; i++) { - store[i] = va_arg (args, void *); - } - va_end (args); - - e_table_memory_store_insert_array (etms, row, store, data); - - g_free (store); -} - -void -e_table_memory_store_insert_adopt_array (ETableMemoryStore *etms, int row, void **store, gpointer data) -{ - int row_count; - int i; - - row_count = e_table_model_row_count (E_TABLE_MODEL (etms)) + 1; - if (row == -1) - row = row_count - 1; - etms->priv->store = g_realloc (etms->priv->store, etms->priv->col_count * row_count * sizeof (void *)); - memmove (etms->priv->store + etms->priv->col_count * (row + 1), - etms->priv->store + etms->priv->col_count * row, - etms->priv->col_count * (row_count - row - 1) * sizeof (void *)); - - for (i = 0; i < etms->priv->col_count; i++) { - STORE_LOCATOR(etms, i, row) = store[i]; - } - - e_table_memory_insert (E_TABLE_MEMORY (etms), row, data); -} - -void -e_table_memory_store_insert_adopt (ETableMemoryStore *etms, int row, gpointer data, ...) -{ - void **store; - va_list args; - int i; - - store = g_new (void *, etms->priv->col_count + 1); - - va_start (args, data); - for (i = 0; i < etms->priv->col_count; i++) { - store[i] = va_arg (args, void *); - } - va_end (args); - - e_table_memory_store_insert_adopt_array (etms, row, store, data); - - g_free (store); -} - -/** - * e_table_memory_store_change_array: - * @etms: the ETabelMemoryStore. - * @row: the row we're changing. - * @store: an array of new values to fill the row - * @data: the new closure to associate with this row. - * - * frees existing values associated with a row and replaces them with - * duplicates of the values in store. - * - */ -void -e_table_memory_store_change_array (ETableMemoryStore *etms, int row, void **store, gpointer data) -{ - int i; - - g_return_if_fail (row >= 0 && row < e_table_model_row_count (E_TABLE_MODEL (etms))); - - e_table_model_pre_change (E_TABLE_MODEL (etms)); - - for (i = 0; i < etms->priv->col_count; i++) { - free_value (etms, i, STORE_LOCATOR(etms, i, row)); - STORE_LOCATOR(etms, i, row) = duplicate_value(etms, i, store[i]); - } - - e_table_memory_set_data (E_TABLE_MEMORY (etms), row, data); - e_table_model_row_changed (E_TABLE_MODEL (etms), row); -} - -/** - * e_table_memory_store_change: - * @etms: the ETabelMemoryStore. - * @row: the row we're changing. - * @data: the new closure to associate with this row. - * - * a varargs version of e_table_memory_store_change_array. you must - * pass in etms->col_count args. - */ -void -e_table_memory_store_change (ETableMemoryStore *etms, int row, gpointer data, ...) -{ - void **store; - va_list args; - int i; - - g_return_if_fail (row >= 0 && row < e_table_model_row_count (E_TABLE_MODEL (etms))); - - store = g_new0 (void *, etms->priv->col_count + 1); - - va_start (args, data); - for (i = 0; i < etms->priv->col_count; i++) { - store[i] = va_arg (args, void *); - } - va_end (args); - - e_table_memory_store_change_array (etms, row, store, data); - - g_free (store); -} - -/** - * e_table_memory_store_change_adopt_array: - * @etms: the ETableMemoryStore - * @row: the row we're changing. - * @store: an array of new values to fill the row - * @data: the new closure to associate with this row. - * - * frees existing values for the row and stores the values from store - * into it. This function differs from - * e_table_memory_storage_change_adopt_array in that it does not - * duplicate the data. - */ -void -e_table_memory_store_change_adopt_array (ETableMemoryStore *etms, int row, void **store, gpointer data) -{ - int i; - - g_return_if_fail (row >= 0 && row < e_table_model_row_count (E_TABLE_MODEL (etms))); - - for (i = 0; i < etms->priv->col_count; i++) { - free_value (etms, i, STORE_LOCATOR(etms, i, row)); - STORE_LOCATOR(etms, i, row) = store[i]; - } - - e_table_memory_set_data (E_TABLE_MEMORY (etms), row, data); - e_table_model_row_changed (E_TABLE_MODEL (etms), row); -} - -/** - * e_table_memory_store_change_adopt - * @etms: the ETabelMemoryStore. - * @row: the row we're changing. - * @data: the new closure to associate with this row. - * - * a varargs version of e_table_memory_store_change_adopt_array. you - * must pass in etms->col_count args. - */ -void -e_table_memory_store_change_adopt (ETableMemoryStore *etms, int row, gpointer data, ...) -{ - void **store; - va_list args; - int i; - - g_return_if_fail (row >= 0 && row < e_table_model_row_count (E_TABLE_MODEL (etms))); - - store = g_new0 (void *, etms->priv->col_count + 1); - - va_start (args, data); - for (i = 0; i < etms->priv->col_count; i++) { - store[i] = va_arg (args, void *); - } - va_end (args); - - e_table_memory_store_change_adopt_array (etms, row, store, data); - - g_free (store); -} - -void -e_table_memory_store_remove (ETableMemoryStore *etms, int row) -{ - ETableModel *model; - int column_count, row_count; - int i; - - model = E_TABLE_MODEL (etms); - column_count = e_table_model_column_count (model); - - for (i = 0; i < column_count; i ++) - e_table_model_free_value (model, i, e_table_model_value_at (model, i, row)); - - row_count = e_table_model_row_count (E_TABLE_MODEL (etms)) - 1; - memmove (etms->priv->store + etms->priv->col_count * row, - etms->priv->store + etms->priv->col_count * (row + 1), - etms->priv->col_count * (row_count - row) * sizeof (void *)); - etms->priv->store = g_realloc (etms->priv->store, etms->priv->col_count * row_count * sizeof (void *)); - - e_table_memory_remove (E_TABLE_MEMORY (etms), row); -} - -void -e_table_memory_store_clear (ETableMemoryStore *etms) -{ - ETableModel *model; - int row_count, column_count; - int i, j; - - model = E_TABLE_MODEL (etms); - row_count = e_table_model_row_count (model); - column_count = e_table_model_column_count (model); - - for (i = 0; i < row_count; i ++) { - for (j = 0; j < column_count; j ++) { - e_table_model_free_value (model, j, e_table_model_value_at (model, j, i)); - } - } - - e_table_memory_clear (E_TABLE_MEMORY (etms)); - - g_free (etms->priv->store); - etms->priv->store = NULL; -} |