--- /dev/null
+/* GSheetModel --- an abstract model for the GSheet widget.
+ * Copyright (C) 2006 Free Software Foundation
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <glib.h>
+#include "gsheetmodel.h"
+#include "gtkextra-marshal.h"
+
+enum {
+ RANGE_CHANGED,
+ ROWS_INSERTED,
+ ROWS_DELETED,
+ LAST_SIGNAL
+};
+
+static guint sheet_model_signals[LAST_SIGNAL] = { 0 };
+
+
+static void g_sheet_model_base_init (gpointer g_class);
+
+
+inline GType
+g_sheet_model_get_type (void)
+{
+ static GType sheet_model_type = 0;
+
+ if (! sheet_model_type)
+ {
+ static const GTypeInfo sheet_model_info =
+ {
+ sizeof (GSheetModelIface), /* class_size */
+ g_sheet_model_base_init, /* base_init */
+ NULL, /* base_finalize */
+ NULL,
+ NULL, /* class_finalize */
+ NULL, /* class_data */
+ 0,
+ 0, /* n_preallocs */
+ NULL
+ };
+
+ sheet_model_type =
+ g_type_register_static (G_TYPE_INTERFACE, "GSheetModel",
+ &sheet_model_info, 0);
+
+ g_type_interface_add_prerequisite (sheet_model_type, G_TYPE_OBJECT);
+ }
+
+ return sheet_model_type;
+}
+
+static void
+g_sheet_model_base_init (gpointer g_class)
+{
+ static gboolean initialized = FALSE;
+
+ if (! initialized)
+ {
+ sheet_model_signals[RANGE_CHANGED] =
+ g_signal_new ("range_changed",
+ G_TYPE_SHEET_MODEL,
+ G_SIGNAL_RUN_LAST,
+ G_STRUCT_OFFSET (GSheetModelIface, range_changed),
+ NULL, NULL,
+ gtkextra_VOID__INT_INT_INT_INT,
+ G_TYPE_NONE, 4,
+ G_TYPE_INT,
+ G_TYPE_INT,
+ G_TYPE_INT,
+ G_TYPE_INT);
+
+
+
+ sheet_model_signals[ROWS_INSERTED] =
+ g_signal_new ("rows_inserted",
+ G_TYPE_SHEET_MODEL,
+ G_SIGNAL_RUN_LAST,
+ G_STRUCT_OFFSET (GSheetModelIface, rows_inserted),
+ NULL, NULL,
+ gtkextra_VOID__INT_INT,
+ G_TYPE_NONE, 2,
+ G_TYPE_INT,
+ G_TYPE_INT);
+
+
+ sheet_model_signals[ROWS_DELETED] =
+ g_signal_new ("rows_deleted",
+ G_TYPE_SHEET_MODEL,
+ G_SIGNAL_RUN_LAST,
+ G_STRUCT_OFFSET (GSheetModelIface, rows_deleted),
+ NULL, NULL,
+ gtkextra_VOID__INT_INT,
+ G_TYPE_NONE, 2,
+ G_TYPE_INT,
+ G_TYPE_INT);
+
+
+ initialized = TRUE;
+ }
+}
+
+/**
+ * g_sheet_model_get_string:
+ * @sheet_model: A #GSheetModel
+ * @row: The row of the cell to be retrieved.
+ * @column: The column of the cell to be retrieved.
+ *
+ * Retrieves the datum at location ROW, COLUMN in the form of a string.
+ * Returns: The string representation of the datum, or NULL on error.
+ **/
+inline const gchar *const
+g_sheet_model_get_string (const GSheetModel *sheet_model,
+ gint row, gint column)
+{
+ g_return_val_if_fail (G_IS_SHEET_MODEL (sheet_model), 0);
+
+ g_assert (G_SHEET_MODEL_GET_IFACE (sheet_model)->get_string);
+
+ return (G_SHEET_MODEL_GET_IFACE (sheet_model)->get_string) (sheet_model, row, column);
+}
+
+/**
+ * g_sheet_model_set_string
+ * @sheet_model: A #GSheetModel
+ * @text: The text describing the datum to be set.
+ * @row: The row of the cell to be cleared.
+ * @column: The column of the cell to be cleared.
+ *
+ * Sets the datum at a location from a string.
+ * Returns: TRUE if the datum was changed, FALSE otherwise.
+ **/
+gboolean
+g_sheet_model_set_string (GSheetModel *sheet_model,
+ const gchar *text,
+ gint row, gint column)
+{
+ g_return_val_if_fail (G_IS_SHEET_MODEL (sheet_model), FALSE);
+
+ g_assert (G_SHEET_MODEL_GET_IFACE (sheet_model)->set_string);
+
+ return G_SHEET_MODEL_GET_IFACE (sheet_model)->set_string (sheet_model,
+ text, row, column);
+}
+
+
+
+/**
+ * g_sheet_model_datum_clear:
+ * @sheet_model: A #GSheetModel
+ * @row: The row of the cell to be cleared.
+ * @column: The column of the cell to be cleared.
+ *
+ * Called when the datum at a location is to be cleared.
+ * Returns: TRUE if the datum was cleared, FALSE otherwise.
+ **/
+gboolean
+g_sheet_model_datum_clear (GSheetModel *sheet_model,
+ gint row, gint column)
+{
+ g_return_val_if_fail (G_IS_SHEET_MODEL (sheet_model), FALSE);
+
+ g_assert (G_SHEET_MODEL_GET_IFACE (sheet_model)->clear_datum);
+
+ return G_SHEET_MODEL_GET_IFACE (sheet_model)->clear_datum (sheet_model,
+ row, column);
+}
+
+
+/**
+ * g_sheet_model_range_changed:
+ * @sheet_model: A #GSheetModel
+ * @range: The #GSheetRange range of cells which have changed.
+ *
+ * Emits the "range_changed" signal on @sheet_model.
+ **/
+void
+g_sheet_model_range_changed (GSheetModel *sheet_model,
+ gint row0, gint col0,
+ gint rowi, gint coli)
+{
+ g_return_if_fail (G_IS_SHEET_MODEL (sheet_model));
+
+ g_signal_emit (sheet_model, sheet_model_signals[RANGE_CHANGED], 0,
+ row0, col0, rowi, coli);
+}
+
+
+
+
+/**
+ * g_sheet_model_rows_inserted:
+ * @sheet_model: A #GSheetModel
+ * @row: The row before which the new rows should be inserted.
+ * @n_rows: The number of rows to insert.
+ *
+ * Emits the "rows_inserted" signal on @sheet_model.
+ **/
+void
+g_sheet_model_rows_inserted (GSheetModel *sheet_model,
+ gint row, gint n_rows)
+{
+ g_return_if_fail (G_IS_SHEET_MODEL (sheet_model));
+
+ g_signal_emit (sheet_model, sheet_model_signals[ROWS_INSERTED], 0,
+ row, n_rows);
+}
+
+
+
+
+/**
+ * g_sheet_model_rows_deleted:
+ * @sheet_model: A #GSheetModel
+ * @row: The first row to be deleted.
+ * @n_rows: The number of rows to delete.
+ *
+ * Emits the "rows_deleted" signal on @sheet_model.
+ **/
+void
+g_sheet_model_rows_deleted (GSheetModel *sheet_model,
+ gint row, gint n_rows)
+{
+ g_return_if_fail (G_IS_SHEET_MODEL (sheet_model));
+
+ g_signal_emit (sheet_model, sheet_model_signals[ROWS_DELETED], 0,
+ row, n_rows);
+}
+
+
+
+
+/**
+ * g_sheet_model_is_editable:
+ * @sheet_model: A #GSheetModel
+ * @row: The row
+ * @column: The column
+ *
+ * Returns: TRUE if the cell is editable, FALSE otherwise
+ **/
+inline gboolean
+g_sheet_model_is_editable (const GSheetModel *model,
+ gint row, gint column)
+{
+ g_return_val_if_fail (G_IS_SHEET_MODEL (model), TRUE);
+
+ if ( ! G_SHEET_MODEL_GET_IFACE (model)->is_editable )
+ return TRUE;
+
+ return G_SHEET_MODEL_GET_IFACE (model)->is_editable (model,
+ row, column);
+}
+
+/**
+ * g_sheet_model_is_visible:
+ * @sheet_model: A #GSheetModel
+ * @row: The row
+ * @column: The column
+ *
+ * Returns: TRUE if the cell is visible, FALSE otherwise
+ **/
+inline gboolean
+g_sheet_model_is_visible (const GSheetModel *model,
+ gint row, gint column)
+{
+ g_return_val_if_fail (G_IS_SHEET_MODEL (model), TRUE);
+
+ if ( ! G_SHEET_MODEL_GET_IFACE (model)->is_visible )
+ return TRUE;
+
+ return G_SHEET_MODEL_GET_IFACE (model)->is_visible (model,
+ row, column);
+}
+
+
+/**
+ * g_sheet_model_get_foreground:
+ * @sheet_model: A #GSheetModel
+ * @row: The row
+ * @column: The column
+ *
+ * Returns the foreground colour of the cell at @row, @column
+ * Returns: the foreground colour, or NULL on error.
+ **/
+inline const GdkColor *
+g_sheet_model_get_foreground (const GSheetModel *model,
+ gint row, gint column)
+{
+ g_return_val_if_fail (G_IS_SHEET_MODEL (model), NULL);
+
+ if ( ! G_SHEET_MODEL_GET_IFACE (model)->get_foreground )
+ return NULL;
+
+ return G_SHEET_MODEL_GET_IFACE (model)->get_foreground (model,
+ row, column);
+}
+
+/**
+ * g_sheet_model_get_background:
+ * @sheet_model: A #GSheetModel
+ * @row: The row
+ * @column: The column
+ *
+ * Returns the background colour of the cell at @row, @column
+ * Returns: the background colour, or NULL on error.
+ **/
+inline const GdkColor *
+g_sheet_model_get_background (const GSheetModel *model,
+ gint row, gint column)
+{
+ g_return_val_if_fail (G_IS_SHEET_MODEL (model), NULL);
+
+ if ( ! G_SHEET_MODEL_GET_IFACE (model)->get_background )
+ return NULL;
+
+ return G_SHEET_MODEL_GET_IFACE (model)->get_background (model,
+ row, column);
+}
+
+/**
+ * g_sheet_model_get_justification:
+ * @sheet_model: A #GSheetModel
+ * @row: The row
+ * @column: The column
+ *
+ * Returns the justification of the cell at @row, @column
+ * Returns: the justification, or NULL on error.
+ **/
+inline const GtkJustification *
+g_sheet_model_get_justification (const GSheetModel *model,
+ gint row, gint column)
+{
+ g_return_val_if_fail (G_IS_SHEET_MODEL (model), NULL);
+
+ if ( ! G_SHEET_MODEL_GET_IFACE (model)->get_justification)
+ return NULL;
+
+ return G_SHEET_MODEL_GET_IFACE (model)->get_justification (model,
+ row, column);
+}
+
+/**
+ * g_sheet_model_get_font_desc:
+ * @sheet_model: A #GSheetModel
+ * @row: The row
+ * @column: The column
+ *
+ * Returns the font description of the cell at @row, @column
+ * Returns: the font description, or NULL on error.
+ **/
+inline const PangoFontDescription *
+g_sheet_model_get_font_desc(const GSheetModel *model,
+ gint row, gint column)
+{
+ g_return_val_if_fail (G_IS_SHEET_MODEL (model), NULL);
+ if ( ! G_SHEET_MODEL_GET_IFACE (model)->get_font_desc)
+ return NULL;
+
+ return G_SHEET_MODEL_GET_IFACE (model)->get_font_desc (model,
+ row, column);
+}
+
+/**
+ * g_sheet_model_get_cell_border:
+ * @sheet_model: A #GSheetModel
+ * @row: The row
+ * @column: The column
+ *
+ * Returns the cell border of the cell at @row, @column
+ * Returns: the cell border, or NULL on error.
+ **/
+inline const GtkSheetCellBorder *
+g_sheet_model_get_cell_border (const GSheetModel *model,
+ gint row, gint column)
+{
+ g_return_val_if_fail (G_IS_SHEET_MODEL (model), NULL);
+ if ( ! G_SHEET_MODEL_GET_IFACE (model)->get_cell_border)
+ return NULL;
+
+ return G_SHEET_MODEL_GET_IFACE (model)->get_cell_border (model,
+ row, column);
+}
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