aboutsummaryrefslogtreecommitdiffstats
path: root/a11y/e-table/gal-a11y-e-table-item.c
diff options
context:
space:
mode:
Diffstat (limited to 'a11y/e-table/gal-a11y-e-table-item.c')
-rw-r--r--a11y/e-table/gal-a11y-e-table-item.c1285
1 files changed, 0 insertions, 1285 deletions
diff --git a/a11y/e-table/gal-a11y-e-table-item.c b/a11y/e-table/gal-a11y-e-table-item.c
deleted file mode 100644
index fcfa1cc0e6..0000000000
--- a/a11y/e-table/gal-a11y-e-table-item.c
+++ /dev/null
@@ -1,1285 +0,0 @@
-/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
-/*
- * Authors:
- * Christopher James Lahey <clahey@ximian.com>
- * Bolian Yin <bolian.yin@sun.com>
- *
- * Copyright (C) 2002 Ximian, Inc.
- */
-
-#include <config.h>
-#include "gal-a11y-e-table-item.h"
-#include "gal-a11y-e-cell-registry.h"
-#include "gal-a11y-e-cell.h"
-#include "gal-a11y-util.h"
-#include <gal/e-table/e-table-subset.h>
-
-#include <atk/atkobject.h>
-#include <atk/atktable.h>
-#include <atk/atkcomponent.h>
-#include <atk/atkobjectfactory.h>
-#include <atk/atkregistry.h>
-#include <atk/atkgobjectaccessible.h>
-
-#define CS_CLASS(a11y) (G_TYPE_INSTANCE_GET_CLASS ((a11y), C_TYPE_STREAM, GalA11yETableItemClass))
-static GObjectClass *parent_class;
-static AtkComponentIface *component_parent_iface;
-static GType parent_type;
-static gint priv_offset;
-static GQuark quark_accessible_object = 0;
-#define GET_PRIVATE(object) ((GalA11yETableItemPrivate *) (((char *) object) + priv_offset))
-#define PARENT_TYPE (parent_type)
-
-struct _GalA11yETableItemPrivate {
- AtkObject *parent;
- gint index_in_parent;
- gint cols;
- gint rows;
- gpointer *cell_data;
- int selection_change_id;
- int cursor_change_id;
- ETableCol ** columns;
- ESelectionModel *selection;
-};
-
-static gboolean gal_a11y_e_table_item_ref_selection (GalA11yETableItem *a11y,
- ESelectionModel *selection);
-static gboolean gal_a11y_e_table_item_unref_selection (GalA11yETableItem *a11y);
-
-#if 0
-static void
-unref_accessible (gpointer user_data, GObject *obj_loc)
-{
- GalA11yETableItem *a11y = GAL_A11Y_E_TABLE_ITEM (user_data);
- GET_PRIVATE (a11y)->item = NULL;
- g_object_unref (a11y);
-}
-#endif
-
-inline static gint
-view_to_model_row(ETableItem *eti, int row)
-{
- if (eti->uses_source_model) {
- ETableSubset *etss = E_TABLE_SUBSET(eti->table_model);
- if (row >= 0 && row < etss->n_map) {
- eti->row_guess = row;
- return etss->map_table[row];
- } else
- return -1;
- } else
- return row;
-}
-
-inline static gint
-view_to_model_col(ETableItem *eti, int col)
-{
- ETableCol *ecol = e_table_header_get_column (eti->header, col);
- return ecol ? ecol->col_idx : -1;
-}
-
-inline static GObject *
-eti_a11y_get_gobject (AtkObject *accessible)
-{
- return atk_gobject_accessible_get_object (ATK_GOBJECT_ACCESSIBLE (accessible));
-}
-
-static void
-eti_dispose (GObject *object)
-{
- gint i,j;
- GalA11yETableItem *a11y = GAL_A11Y_E_TABLE_ITEM (object);
- GalA11yETableItemPrivate *priv = GET_PRIVATE (a11y);
-
- priv->parent = NULL;
-
- if ( priv->cell_data != NULL ) {
- g_free(priv->cell_data);
- priv->cell_data = NULL;
- }
-
- if (priv->columns) {
- g_free(priv->columns);
- priv->columns = NULL;
- }
-
- if (parent_class->dispose)
- parent_class->dispose (object);
- if (priv->selection)
- gal_a11y_e_table_item_unref_selection (a11y);
-}
-
-/* Static functions */
-static AtkObject *
-eti_get_parent (AtkObject *accessible)
-{
- AtkGObjectAccessible *atk_gobj;
- GalA11yETableItem *a11y;
-
- g_return_val_if_fail (GAL_A11Y_IS_E_TABLE_ITEM (accessible), NULL);
- if (!eti_a11y_get_gobject (accessible))
- /* defunct */
- return NULL;
-
- a11y = GAL_A11Y_E_TABLE_ITEM (accessible);
- return GET_PRIVATE (a11y)->parent;
-}
-
-static gint
-eti_get_n_children (AtkObject *accessible)
-{
- AtkGObjectAccessible *atk_gobj;
-
- g_return_val_if_fail (GAL_A11Y_IS_E_TABLE_ITEM (accessible), 0);
- if (!eti_a11y_get_gobject (accessible))
- return 0;
-
- return atk_table_get_n_columns (ATK_TABLE (accessible)) *
- atk_table_get_n_rows (ATK_TABLE (accessible));
-}
-
-static AtkObject*
-eti_ref_child (AtkObject *accessible, gint index)
-{
- AtkGObjectAccessible *atk_gobj;
- ETableItem *item;
- gint col, row;
-
- g_return_val_if_fail (GAL_A11Y_IS_E_TABLE_ITEM (accessible), NULL);
- item = E_TABLE_ITEM (eti_a11y_get_gobject (accessible));
- if (!item)
- return NULL;
-
- if (index < item->cols) {
- AtkObject *child;
-
- /* A column header is required */
- child = atk_table_get_column_header (ATK_TABLE (accessible), index);
- if (child)
- g_object_ref (child);
- return child;
- }
-
- index -= item->cols;
- col = index % item->cols;
- row = index / item->cols;
-
- return atk_table_ref_at (ATK_TABLE (accessible), row, col);
-}
-
-static gint
-eti_get_index_in_parent (AtkObject *accessible)
-{
- AtkGObjectAccessible *atk_gobj;
- GalA11yETableItem *a11y;
-
- g_return_val_if_fail (GAL_A11Y_IS_E_TABLE_ITEM (accessible), -1);
- if (!eti_a11y_get_gobject (accessible))
- return -1;
-
- a11y = GAL_A11Y_E_TABLE_ITEM (accessible);
- return GET_PRIVATE (a11y)->index_in_parent;
-}
-
-static void
-eti_get_extents (AtkComponent *component,
- gint *x,
- gint *y,
- gint *width,
- gint *height,
- AtkCoordType coord_type)
-{
- ETableItem *item;
- double real_width;
- double real_height;
- int fake_width;
- int fake_height;
-
- item = E_TABLE_ITEM (eti_a11y_get_gobject (ATK_OBJECT (component)));
- if (!item)
- return;
-
- if (component_parent_iface &&
- component_parent_iface->get_extents)
- component_parent_iface->get_extents (component,
- x,
- y,
- &fake_width,
- &fake_height,
- coord_type);
-
- gtk_object_get (GTK_OBJECT (item),
- "width", &real_width,
- "height", &real_height,
- NULL);
-
- if (width)
- *width = real_width;
- if (height)
- *height = real_height;
-}
-
-static AtkObject*
-eti_ref_accessible_at_point (AtkComponent *component,
- gint x,
- gint y,
- AtkCoordType coord_type)
-{
- int row = -1;
- int col = -1;
- int x_origin, y_origin;
- ETableItem *item;
-
- item = E_TABLE_ITEM (eti_a11y_get_gobject (ATK_OBJECT (component)));
- if (!item)
- return;
-
- atk_component_get_position (component,
- &x_origin,
- &y_origin,
- coord_type);
- x -= x_origin;
- y -= y_origin;
-
- e_table_item_compute_location (item, &x, &y,
- &row, &col);
-
- if (row != -1 && col != -1) {
- return atk_table_ref_at (ATK_TABLE (component), row, col);
- } else {
- return NULL;
- }
-}
-
-
-static void
-cell_destroyed (gpointer data)
-{
- AtkObject *parent;
- gint index, n_cols;
- GalA11yETableItem * item;
- GalA11yECell * cell;
-
- g_return_if_fail (GAL_A11Y_IS_E_CELL (data));
- cell = GAL_A11Y_E_CELL (data);
-
- item = atk_gobject_accessible_for_object (GAL_A11Y_E_CELL(data)->item);
-
- g_return_if_fail (item && GAL_A11Y_IS_E_TABLE_ITEM (item));
-
- g_return_if_fail (cell->row < GET_PRIVATE(item)->rows && cell->view_col < GET_PRIVATE(item)->cols);
-
- index = cell->row * cell->item->cols + cell->view_col;
-
- if (GET_PRIVATE (item)->cell_data && GET_PRIVATE (item)->cell_data [index] == data)
- GET_PRIVATE (item)->cell_data [index] = NULL;
-}
-
-/* atk table */
-static AtkObject*
-eti_ref_at (AtkTable *table, gint row, gint column)
-{
- ETableItem *item;
- AtkObject* ret;
-
- item = E_TABLE_ITEM (eti_a11y_get_gobject (ATK_OBJECT (table)));
- if (!item)
- return NULL;
-
- if (column >= 0 &&
- column < item->cols &&
- row >= 0 &&
- row < item->rows &&
- item->cell_views_realized) {
- ECellView *cell_view = item->cell_views[column];
- ETableCol *ecol = e_table_header_get_column (item->header, column);
- gpointer * cell_data;
-
- cell_data = GET_PRIVATE (table)->cell_data;
-
- if (cell_data[row*item->cols + column] == NULL) {
- ret = gal_a11y_e_cell_registry_get_object (NULL,
- item,
- cell_view,
- ATK_OBJECT (table),
- ecol->col_idx,
- column,
- row);
- cell_data[row*item->cols + column] = ret;
- if (ATK_IS_OBJECT (ret))
- g_object_weak_ref (G_OBJECT (ret),
- (GWeakNotify) cell_destroyed,
- ret);
-
- else
- ret = NULL;
- } else {
- ret = (AtkObject *) cell_data[row*item->cols + column];
- if (ATK_IS_OBJECT (ret)) {
- g_object_ref (ret);
- } else {
- ret = NULL;
- }
- }
-
-
- return ret;
- }
-
- return NULL;
-}
-
-static gint
-eti_get_index_at (AtkTable *table, gint row, gint column)
-{
- ETableItem *item;
-
- item = E_TABLE_ITEM (eti_a11y_get_gobject (ATK_OBJECT (table)));
- if (!item)
- return -1;
-
- return column + row * item->cols;
-}
-
-static gint
-eti_get_column_at_index (AtkTable *table, gint index)
-{
- ETableItem *item;
-
- item = E_TABLE_ITEM (eti_a11y_get_gobject (ATK_OBJECT (table)));
- if (!item)
- return -1;
-
- return index % item->cols;
-}
-
-static gint
-eti_get_row_at_index (AtkTable *table, gint index)
-{
- ETableItem *item;
-
- item = E_TABLE_ITEM (eti_a11y_get_gobject (ATK_OBJECT (table)));
- if (!item)
- return -1;
-
- return index / item->cols;
-}
-
-static gint
-eti_get_n_columns (AtkTable *table)
-{
- ETableItem *item;
-
- item = E_TABLE_ITEM (eti_a11y_get_gobject (ATK_OBJECT (table)));
- if (!item)
- return -1;
-
- return item->cols;
-}
-
-static gint
-eti_get_n_rows (AtkTable *table)
-{
- ETableItem *item;
-
- item = E_TABLE_ITEM (eti_a11y_get_gobject (ATK_OBJECT (table)));
- if (!item)
- return -1;
-
- return item->rows;
-}
-
-static gint
-eti_get_column_extent_at (AtkTable *table,
- gint row,
- gint column)
-{
- ETableItem *item;
- int width;
-
- item = E_TABLE_ITEM (eti_a11y_get_gobject (ATK_OBJECT (table)));
- if (!item)
- return -1;
-
- e_table_item_get_cell_geometry (item,
- &row,
- &column,
- NULL,
- NULL,
- &width,
- NULL);
-
- return width;
-}
-
-static gint
-eti_get_row_extent_at (AtkTable *table,
- gint row,
- gint column)
-{
- ETableItem *item;
- int height;
-
- item = E_TABLE_ITEM (eti_a11y_get_gobject (ATK_OBJECT (table)));
- if (!item)
- return -1;
-
- e_table_item_get_cell_geometry (item,
- &row,
- &column,
- NULL,
- NULL,
- NULL,
- &height);
-
- return height;
-}
-
-static AtkObject *
-eti_get_caption (AtkTable *table)
-{
- /* Unimplemented */
- return NULL;
-}
-
-static G_CONST_RETURN gchar *
-eti_get_column_description (AtkTable *table,
- gint column)
-{
- ETableItem *item;
- ETableCol *ecol;
-
- item = E_TABLE_ITEM (eti_a11y_get_gobject (ATK_OBJECT (table)));
- if (!item)
- return NULL;
-
- ecol = e_table_header_get_column (item->header, column);
-
- return ecol->text;
-}
-
-static AtkObject *
-eti_get_column_header (AtkTable *table, gint column)
-{
- ETableItem *item;
- ETableCol *ecol;
- AtkObject *atk_obj = NULL;
- ECell *ecell;
-
- item = E_TABLE_ITEM (eti_a11y_get_gobject (ATK_OBJECT (table)));
- if (!item)
- return NULL;
-
- ecol = e_table_header_get_column (item->header, column);
- ecell = ecol->ecell;
- if (ecell)
- atk_obj = atk_gobject_accessible_for_object (G_OBJECT (ecell));
- return atk_obj;
-}
-
-static G_CONST_RETURN gchar *
-eti_get_row_description (AtkTable *table,
- gint row)
-{
- /* Unimplemented */
- return NULL;
-}
-
-static AtkObject *
-eti_get_row_header (AtkTable *table,
- gint row)
-{
- /* Unimplemented */
- return NULL;
-}
-
-static AtkObject *
-eti_get_summary (AtkTable *table)
-{
- /* Unimplemented */
- return NULL;
-}
-
-static gboolean
-table_is_row_selected (AtkTable *table, gint row)
-{
- ETableItem *item;
-
- item = E_TABLE_ITEM (eti_a11y_get_gobject (ATK_OBJECT (table)));
- if (!item)
- return FALSE;
-
- return e_selection_model_is_row_selected(item->selection, row);
-}
-
-static gboolean
-table_is_selected (AtkTable *table, gint row, gint column)
-{
- return table_is_row_selected (table, row);
-}
-
-static gint
-table_get_selected_rows (AtkTable *table, gint **rows_selected)
-{
- ETableItem *item;
- gint n_selected, row, index_selected;
-
- item = E_TABLE_ITEM (eti_a11y_get_gobject (ATK_OBJECT (table)));
- if (!item)
- return 0;
-
- n_selected = e_selection_model_selected_count (item->selection);
- if (rows_selected) {
- *rows_selected = (gint *) g_malloc (n_selected * sizeof (gint));
-
- index_selected = 0;
- for (row = 0; row < item->rows && index_selected < n_selected; ++row) {
- if (atk_table_is_row_selected (table, row)) {
- (*rows_selected)[index_selected] = row;
- ++index_selected;
- }
- }
- }
- return n_selected;
-}
-
-static gboolean
-table_add_row_selection (AtkTable *table, gint row)
-{
- ETableItem *item;
- gint cursor_row, cursor_col, row_count;
- GdkModifierType state = GDK_CONTROL_MASK;
- ESelectionModel *selection;
-
- item = E_TABLE_ITEM (eti_a11y_get_gobject (ATK_OBJECT (table)));
- if (!item)
- return FALSE;
-
- if (table_is_row_selected (table, row))
- return TRUE;
- e_selection_model_toggle_single_row (item->selection,
- view_to_model_row (item, row));
-
- return TRUE;
-}
-
-static gboolean
-table_remove_row_selection (AtkTable *table, gint row)
-{
- ETableItem *item;
-
- item = E_TABLE_ITEM (eti_a11y_get_gobject (ATK_OBJECT (table)));
- if (!item)
- return FALSE;
-
- if (!atk_table_is_row_selected (table, row))
- return TRUE;
- e_selection_model_toggle_single_row (item->selection, row);
- return TRUE;
-}
-
-static void
-eti_atk_table_iface_init (AtkTableIface *iface)
-{
- iface->ref_at = eti_ref_at;
- iface->get_index_at = eti_get_index_at;
- iface->get_column_at_index = eti_get_column_at_index;
- iface->get_row_at_index = eti_get_row_at_index;
- iface->get_n_columns = eti_get_n_columns;
- iface->get_n_rows = eti_get_n_rows;
- iface->get_column_extent_at = eti_get_column_extent_at;
- iface->get_row_extent_at = eti_get_row_extent_at;
- iface->get_caption = eti_get_caption;
- iface->get_column_description = eti_get_column_description;
- iface->get_column_header = eti_get_column_header;
- iface->get_row_description = eti_get_row_description;
- iface->get_row_header = eti_get_row_header;
- iface->get_summary = eti_get_summary;
-
- iface->is_row_selected = table_is_row_selected;
- iface->is_selected = table_is_selected;
- iface->get_selected_rows = table_get_selected_rows;
- iface->add_row_selection = table_add_row_selection;
- iface->remove_row_selection = table_remove_row_selection;
-}
-
-static void
-eti_atk_component_iface_init (AtkComponentIface *iface)
-{
- component_parent_iface = g_type_interface_peek_parent (iface);
-
- iface->ref_accessible_at_point = eti_ref_accessible_at_point;
- iface->get_extents = eti_get_extents;
-}
-
-static void
-eti_rows_inserted (ETableModel * model, int row, int count,
- AtkObject * table_item)
-{
- gint n_cols,n_rows,i,j;
- gint size;
- gpointer *cell_data;
- ETableItem *item = E_TABLE_ITEM (atk_gobject_accessible_get_object (ATK_GOBJECT_ACCESSIBLE (table_item)));
- GalA11yETableItem * item_a11y;
- gint old_nrows;
-
- g_return_if_fail (table_item);
- item_a11y = GAL_A11Y_E_TABLE_ITEM (table_item);
-
- n_cols = atk_table_get_n_columns (ATK_TABLE(table_item));
- n_rows = atk_table_get_n_rows (ATK_TABLE(table_item));
-
- old_nrows = GET_PRIVATE(item_a11y)->rows;
-
- g_return_if_fail (n_cols > 0 && n_rows > 0);
- g_return_if_fail (old_nrows == n_rows - count);
-
- cell_data = GET_PRIVATE(table_item)->cell_data;
- GET_PRIVATE(table_item)->cell_data = g_realloc (cell_data, (n_rows*n_cols) * sizeof(gpointer));
- cell_data = GET_PRIVATE(table_item)->cell_data;
-
- GET_PRIVATE(table_item)->rows = n_rows;
-
- /* If rows are insert in the middle of a table. */
- if (row + count < n_rows ) {
- memmove(&cell_data[(row+count)*n_cols], &cell_data[row*n_cols],
- (old_nrows-row)*n_cols*sizeof(gpointer));
-
- /* Update cell's index. */
- for (i = row + count; i < n_rows; i ++) {
- for (j = 0; j < n_cols; j ++)
- if (cell_data[i*n_cols + j] != NULL) {
- AtkObject * a11y;
-
- a11y = ATK_OBJECT(cell_data[i*n_cols + j]);
- GAL_A11Y_E_CELL(a11y)->row = i;
- }
- }
- }
-
- /* Clear cache for the new added rows. */
- for (i = row ; i < row+count; i ++)
- for (j = 0 ; j < n_cols; j ++)
- cell_data [i*n_cols + j] = NULL;
-
- g_signal_emit_by_name (table_item, "row-inserted", row,
- count, NULL);
-
- for (i = row; i < (row + count); i ++) {
- for (j = 0; j < n_cols; j ++) {
- g_signal_emit_by_name (table_item,
- "children_changed::add",
- ( (i*n_cols) + j), NULL, NULL);
- }
- }
-
- g_signal_emit_by_name (table_item, "visible-data-changed");
-}
-
-static void
-eti_rows_deleted (ETableModel * model, int row, int count,
- AtkObject * table_item)
-{
- gint i,j, n_rows, n_cols, old_nrows;
- gpointer *cell_data;
- ETableItem *item = E_TABLE_ITEM (atk_gobject_accessible_get_object (ATK_GOBJECT_ACCESSIBLE (table_item)));
-
- n_rows = atk_table_get_n_rows (ATK_TABLE(table_item));
- n_cols = atk_table_get_n_columns (ATK_TABLE(table_item));
-
- cell_data = GET_PRIVATE(table_item)->cell_data;
- old_nrows = GET_PRIVATE(table_item)->rows;
-
- g_return_if_fail ( row+count <= old_nrows);
- g_return_if_fail (old_nrows == n_rows + count);
- GET_PRIVATE(table_item)->rows = n_rows;
-
- /* DEFUNCT the deleted cells. */
- for (i = row; i < row+count; i ++) {
- for (j = 0; j < n_cols; j ++) {
- if (cell_data[i*n_cols + j] != NULL) {
- AtkObject * a11y;
-
- a11y = ATK_OBJECT(cell_data[i*n_cols + j]);
- gal_a11y_e_cell_add_state (GAL_A11Y_E_CELL(a11y), ATK_STATE_DEFUNCT, TRUE);
- cell_data[i*n_cols + j] = NULL;
- }
- }
- }
-
- /* If more rows left, update the a11y object. */
- if (old_nrows > row + count) {
-
- /* Remove the defunct cells in cache. */
- memmove (&cell_data[row*n_cols], &cell_data[(row+count)*n_cols],
- ( old_nrows-row-count)*n_cols*sizeof(gpointer));
-
- GET_PRIVATE(table_item)->cell_data = g_realloc (cell_data, n_rows*n_cols*sizeof(gpointer));
- cell_data = GET_PRIVATE(table_item)->cell_data;
-
- /* Update index of cells below the deleted rows. */
- for (i = row; i < n_rows; i ++) {
- for (j = 0; j < n_cols; j ++) {
- if (cell_data[i*n_cols + j] != NULL) {
- AtkObject * a11y;
-
- a11y = ATK_OBJECT(cell_data[i*n_cols + j]);
- GAL_A11Y_E_CELL(a11y)->row = i;
- }
- }
- }
- }
-
- g_signal_emit_by_name (table_item, "row-deleted", row,
- count, NULL);
-
- for (i = row; i < (row + count); i ++) {
- for (j = 0; j < n_cols; j ++) {
- g_signal_emit_by_name (table_item,
- "children_changed::remove",
- ( (i*n_cols) + j), NULL, NULL);
- }
- }
- g_signal_emit_by_name (table_item, "visible-data-changed");
-}
-
-enum {
- ETI_HEADER_UNCHANGED = 0,
- ETI_HEADER_REORDERED,
- ETI_HEADER_NEW_ADDED,
- ETI_HEADER_REMOVED,
-};
-
-/*
- * 1. Check what actually happened: column reorder, remove or add
- * 2. Update cache
- * 3. Emit signals
- */
-static void
-eti_header_structure_changed (ETableHeader *eth, AtkObject *a11y)
-{
-
- gboolean reorder_found=FALSE, added_found=FALSE, removed_found=FALSE;
- GalA11yETableItem * a11y_item;
- ETableCol ** cols, **prev_cols;
- GalA11yETableItemPrivate *priv;
- gint *state = NULL, *prev_state = NULL, *reorder = NULL;
- gint i,j,n_rows,n_cols, prev_n_cols;
- gpointer * cell_data, * tmp;
-
- a11y_item = GAL_A11Y_E_TABLE_ITEM (a11y);
- priv = GET_PRIVATE (a11y_item);
-
- g_return_if_fail (priv && priv->cell_data);
- cell_data = priv->cell_data ;
-
- /* Assume rows do not changed. */
- n_rows = priv->rows;
-
- prev_n_cols = priv->cols;
- prev_cols = priv->columns;
-
- cols = e_table_header_get_columns (eth);
- n_cols = eth->col_count;
-
- g_return_if_fail (cols && prev_cols && n_cols > 0);
-
- /* Init to ETI_HEADER_UNCHANGED. */
- state = g_malloc0 (sizeof (gint) * n_cols);
- prev_state = g_malloc0 (sizeof (gint) * prev_n_cols);
- reorder = g_malloc0 (sizeof (gint) * n_cols);
-
- /* Compare with previously saved column headers. */
- for ( i = 0 ; i < n_cols && cols[i]; i ++ ) {
- for ( j = 0 ; j < prev_n_cols && prev_cols[j]; j ++ ) {
- if ( prev_cols [j] == cols[i] && i != j ) {
-
- reorder_found = TRUE;
- state [i] = ETI_HEADER_REORDERED;
- reorder [i] = j;
-
- break;
- } else if (prev_cols[j] == cols[i]) {
- /* OK, this column is not changed. */
- break;
- }
- }
-
- /* cols[i] is new added column. */
- if ( j == prev_n_cols ) {
- gint row;
-
- added_found = TRUE;
- state[i] = ETI_HEADER_NEW_ADDED;
- }
- }
-
- /* Now try to find if there are removed columns. */
- for (i = 0 ; i < prev_n_cols && prev_cols[i]; i ++) {
- for (j = 0 ; j < n_cols && cols[j]; j ++)
- if ( prev_cols [j] == cols[i] )
- break;
-
- /* Removed columns found. */
- if ( j == n_cols ) {
- removed_found = TRUE;
- prev_state[j] = ETI_HEADER_REMOVED;
- }
- }
-
- /* If nothing interesting just return. */
- if (!reorder_found && !added_found && !removed_found)
- return;
-
- /* Now update our cache. */
- tmp = g_malloc0 (n_rows*n_cols*sizeof(gpointer));
- g_return_if_fail (tmp);
-
- for (i = 0 ; i < n_rows; i ++) {
- for ( j = 0 ; j < n_cols; j ++ ) {
- if ( state[j] == ETI_HEADER_REORDERED ) {
- tmp [i*n_cols+j] = cell_data[i*prev_n_cols+reorder[j]];
- if (tmp[i*n_cols+j] && ATK_IS_OBJECT(tmp[i*n_cols+j])) {
- GAL_A11Y_E_CELL(tmp[i*n_cols+j])->view_col = j;
- }
- } else if (state[j] == ETI_HEADER_UNCHANGED) {
- tmp [i*n_cols+j] = cell_data[i*prev_n_cols+j];
- } /* else: new added, keep NULL. */
- }
- }
-
- g_free (cell_data);
- priv->cell_data = tmp;
-
- /* Emit signals */
- if (reorder_found)
- g_signal_emit_by_name (G_OBJECT(a11y_item), "column_reordered");
-
-
- if (removed_found) {
- for (i = 0; i < prev_n_cols; i ++ ) {
- if (prev_state[i] == ETI_HEADER_REMOVED) {
- g_signal_emit_by_name (G_OBJECT(a11y_item), "column-deleted", i, 1);
- for (j = 0 ; j < n_rows; j ++)
- g_signal_emit_by_name (G_OBJECT(a11y_item), "children_changed::remove", (j*prev_n_cols+i), NULL, NULL);
- }
- }
- }
-
- if (added_found) {
- for ( i = 0; i < n_cols; i ++ ) {
- if (state[i] == ETI_HEADER_NEW_ADDED) {
- g_signal_emit_by_name (G_OBJECT(a11y_item), "column-inserted", i, 1);
- for (j = 0 ; j < n_rows; j ++)
- g_signal_emit_by_name (G_OBJECT(a11y_item), "children_changed::add", (j*n_cols+i), NULL, NULL);
- }
- }
- }
-
- priv->cols = n_cols;
-
- g_free (state);
- g_free (reorder);
- g_free (prev_state);
-
- g_free (priv->columns);
- priv->columns = cols;
-}
-
-
-static void
-eti_real_initialize (AtkObject *obj,
- gpointer data)
-{
- ETableItem * eti;
- ETableModel * model;
-
- ATK_OBJECT_CLASS (parent_class)->initialize (obj, data);
- eti = E_TABLE_ITEM (data);
-
- model = eti->table_model;
-
- g_signal_connect (model, "model-rows-inserted",
- G_CALLBACK (eti_rows_inserted),
- obj);
- g_signal_connect (model, "model-rows-deleted",
- G_CALLBACK (eti_rows_deleted),
- obj);
- g_signal_connect (G_OBJECT (eti->header), "structure_change",
- G_CALLBACK (eti_header_structure_changed), obj);
-
-}
-
-static void
-eti_class_init (GalA11yETableItemClass *klass)
-{
- AtkObjectClass *atk_object_class = ATK_OBJECT_CLASS (klass);
- GObjectClass *object_class = G_OBJECT_CLASS (klass);
-
- quark_accessible_object = g_quark_from_static_string ("gtk-accessible-object");
-
- parent_class = g_type_class_ref (PARENT_TYPE);
-
- object_class->dispose = eti_dispose;
-
- atk_object_class->get_parent = eti_get_parent;
- atk_object_class->get_n_children = eti_get_n_children;
- atk_object_class->ref_child = eti_ref_child;
- atk_object_class->get_index_in_parent = eti_get_index_in_parent;
- atk_object_class->initialize = eti_real_initialize;
-}
-
-static void
-eti_init (GalA11yETableItem *a11y)
-{
- GalA11yETableItemPrivate *priv;
-
- priv = GET_PRIVATE (a11y);
-
- priv->parent = NULL;
- priv->index_in_parent = -1;
- priv->selection_change_id = 0;
- priv->cursor_change_id = 0;
- priv->selection = NULL;
-}
-
-/* atk selection */
-
-static void atk_selection_interface_init (AtkSelectionIface *iface);
-static gboolean selection_add_selection (AtkSelection *selection,
- gint i);
-static gboolean selection_clear_selection (AtkSelection *selection);
-static AtkObject* selection_ref_selection (AtkSelection *selection,
- gint i);
-static gint selection_get_selection_count (AtkSelection *selection);
-static gboolean selection_is_child_selected (AtkSelection *selection,
- gint i);
-
-/* callbacks */
-static void eti_a11y_selection_model_removed_cb (ETableItem *eti,
- ESelectionModel *selection,
- gpointer data);
-static void eti_a11y_selection_model_added_cb (ETableItem *eti,
- ESelectionModel *selection,
- gpointer data);
-static void eti_a11y_selection_changed_cb (ESelectionModel *selection,
- GalA11yETableItem *a11y);
-static void eti_a11y_cursor_changed_cb (ESelectionModel *selection,
- int row, int col,
- GalA11yETableItem *a11y);
-
-/**
- * gal_a11y_e_table_item_get_type:
- * @void:
- *
- * Registers the &GalA11yETableItem class if necessary, and returns the type ID
- * associated to it.
- *
- * Return value: The type ID of the &GalA11yETableItem class.
- **/
-GType
-gal_a11y_e_table_item_get_type (void)
-{
- static GType type = 0;
-
- if (!type) {
- AtkObjectFactory *factory;
-
- GTypeInfo info = {
- sizeof (GalA11yETableItemClass),
- (GBaseInitFunc) NULL,
- (GBaseFinalizeFunc) NULL,
- (GClassInitFunc) eti_class_init,
- (GClassFinalizeFunc) NULL,
- NULL, /* class_data */
- sizeof (GalA11yETableItem),
- 0,
- (GInstanceInitFunc) eti_init,
- NULL /* value_table_item */
- };
-
- static const GInterfaceInfo atk_component_info = {
- (GInterfaceInitFunc) eti_atk_component_iface_init,
- (GInterfaceFinalizeFunc) NULL,
- NULL
- };
- static const GInterfaceInfo atk_table_info = {
- (GInterfaceInitFunc) eti_atk_table_iface_init,
- (GInterfaceFinalizeFunc) NULL,
- NULL
- };
-
- static const GInterfaceInfo atk_selection_info = {
- (GInterfaceInitFunc) atk_selection_interface_init,
- (GInterfaceFinalizeFunc) NULL,
- NULL
- };
-
-
- factory = atk_registry_get_factory (atk_get_default_registry (), GNOME_TYPE_CANVAS_ITEM);
- parent_type = atk_object_factory_get_accessible_type (factory);
-
- type = gal_a11y_type_register_static_with_private (PARENT_TYPE, "GalA11yETableItem", &info, 0,
- sizeof (GalA11yETableItemPrivate), &priv_offset);
-
- g_type_add_interface_static (type, ATK_TYPE_COMPONENT, &atk_component_info);
- g_type_add_interface_static (type, ATK_TYPE_TABLE, &atk_table_info);
- g_type_add_interface_static (type, ATK_TYPE_SELECTION, &atk_selection_info);
- }
-
- return type;
-}
-
-AtkObject *
-gal_a11y_e_table_item_new (AtkObject *parent,
- ETableItem *item,
- int index_in_parent)
-{
- GalA11yETableItem *a11y;
- int n;
-
- a11y = g_object_new (gal_a11y_e_table_item_get_type (), NULL);
-
- atk_object_initialize (ATK_OBJECT (a11y), item);
-
- GET_PRIVATE (a11y)->parent = parent;
- GET_PRIVATE (a11y)->index_in_parent = index_in_parent;
-
- g_return_val_if_fail (item->cols >= 0 && item->rows >= 0, NULL);
- /* Initialize cell data. */
- n = item->cols * item->rows;
- GET_PRIVATE (a11y)->cols = item->cols;
- GET_PRIVATE (a11y)->rows = item->rows;
- if (n > 0) {
- GET_PRIVATE (a11y)->cell_data = g_malloc0(n*sizeof(gpointer));
- /* memory error. */
- if ( GET_PRIVATE (a11y)->cell_data == NULL)
- return NULL;
- } else
- GET_PRIVATE (a11y)->cell_data = NULL;
-
-
- GET_PRIVATE (a11y)->columns = e_table_header_get_columns (item->header);
- if ( GET_PRIVATE (a11y)->columns == NULL)
- return NULL;
-
- if (item) {
- g_signal_connect (G_OBJECT(item), "selection_model_removed",
- G_CALLBACK (eti_a11y_selection_model_removed_cb), NULL);
- g_signal_connect (G_OBJECT(item), "selection_model_added",
- G_CALLBACK (eti_a11y_selection_model_added_cb), NULL);
- if (item->selection)
- gal_a11y_e_table_item_ref_selection (a11y,
- item->selection);
- }
- if (parent)
- g_object_ref (parent);
-
-#if 0
- if (item)
- g_object_weak_ref (G_OBJECT (item),
- unref_accessible,
- a11y);
-#endif
-
- return ATK_OBJECT (a11y);
-}
-
-static gboolean
-gal_a11y_e_table_item_ref_selection (GalA11yETableItem *a11y,
- ESelectionModel *selection)
-{
- GalA11yETableItemPrivate *priv;
-
- g_return_val_if_fail (a11y && selection, FALSE);
-
- priv = GET_PRIVATE (a11y);
- priv->selection_change_id = g_signal_connect (
- G_OBJECT(selection), "selection_changed",
- G_CALLBACK (eti_a11y_selection_changed_cb), a11y);
- priv->cursor_change_id = g_signal_connect (
- G_OBJECT(selection), "cursor_changed",
- G_CALLBACK (eti_a11y_cursor_changed_cb), a11y);
-
- priv->selection = selection;
- g_object_ref (selection);
-
- return TRUE;
-}
-
-static gboolean
-gal_a11y_e_table_item_unref_selection (GalA11yETableItem *a11y)
-{
- GalA11yETableItemPrivate *priv;
-
- g_return_val_if_fail (a11y, FALSE);
-
- priv = GET_PRIVATE (a11y);
-
- g_return_val_if_fail (priv->selection_change_id != 0, FALSE);
- g_return_val_if_fail (priv->cursor_change_id != 0, FALSE);
-
-
- g_signal_handler_disconnect (priv->selection,
- priv->selection_change_id);
- g_signal_handler_disconnect (priv->selection,
- priv->cursor_change_id);
- priv->cursor_change_id = 0;
- priv->selection_change_id = 0;
-
- g_object_unref (priv->selection);
- priv->selection = NULL;
-
- return TRUE;
-}
-
-/* callbacks */
-
-static void
-eti_a11y_selection_model_removed_cb (ETableItem *eti, ESelectionModel *selection,
- gpointer data)
-{
- AtkObject *atk_obj;
- GalA11yETableItem *a11y;
-
- g_return_if_fail (E_IS_TABLE_ITEM (eti));
- g_return_if_fail (E_IS_SELECTION_MODEL (selection));
-
- atk_obj = atk_gobject_accessible_for_object (G_OBJECT (eti));
- a11y = GAL_A11Y_E_TABLE_ITEM (atk_obj);
-
- if (selection == GET_PRIVATE (a11y)->selection)
- gal_a11y_e_table_item_unref_selection (a11y);
-}
-
-static void
-eti_a11y_selection_model_added_cb (ETableItem *eti, ESelectionModel *selection,
- gpointer data)
-{
- AtkObject *atk_obj;
- GalA11yETableItem *a11y;
-
- g_return_if_fail (E_IS_TABLE_ITEM (eti));
- g_return_if_fail (E_IS_SELECTION_MODEL (selection));
-
- atk_obj = atk_gobject_accessible_for_object (G_OBJECT (eti));
- a11y = GAL_A11Y_E_TABLE_ITEM (atk_obj);
-
- if (GET_PRIVATE (a11y)->selection)
- gal_a11y_e_table_item_unref_selection (a11y);
- gal_a11y_e_table_item_ref_selection (a11y, selection);
-}
-
-static void
-eti_a11y_selection_changed_cb (ESelectionModel *selection, GalA11yETableItem *a11y)
-{
- g_return_if_fail (GAL_A11Y_IS_E_TABLE_ITEM (a11y));
-
- g_signal_emit_by_name (a11y, "selection_changed");
-}
-
-static void
-eti_a11y_cursor_changed_cb (ESelectionModel *selection,
- int row, int col, GalA11yETableItem *a11y)
-{
- AtkObject * cell;
- g_return_if_fail (GAL_A11Y_IS_E_TABLE_ITEM (a11y));
-
- g_signal_emit_by_name (a11y, "selection_changed");
-
- cell = atk_table_ref_at (ATK_TABLE (a11y), row, col);
- if (ATK_IS_OBJECT (cell))
- g_signal_emit_by_name (a11y,
- "active-descendant-changed",
- cell);
-}
-
-/* atk selection */
-
-static void atk_selection_interface_init (AtkSelectionIface *iface)
-{
- g_return_if_fail (iface != NULL);
- iface->add_selection = selection_add_selection;
- iface->clear_selection = selection_clear_selection;
- iface->ref_selection = selection_ref_selection;
- iface->get_selection_count = selection_get_selection_count;
- iface->is_child_selected = selection_is_child_selected;
-}
-
-static gboolean
-selection_add_selection (AtkSelection *selection, gint index)
-{
- AtkTable *table;
- gint row, col;
- ETableItem *item;
-
- item = E_TABLE_ITEM (eti_a11y_get_gobject (ATK_OBJECT (selection)));
- if (!item)
- return FALSE;
-
- table = ATK_TABLE (selection);
-
- row = atk_table_get_row_at_index (table, index);
- atk_table_add_row_selection (table, row);
-
- col = atk_table_get_column_at_index (table, index);
- e_selection_model_change_cursor (item->selection,
- view_to_model_row (item, row),
- view_to_model_col (item, col));
- e_selection_model_cursor_changed (item->selection,
- view_to_model_row (item, row),
- view_to_model_col (item, col));
- e_selection_model_cursor_activated (item->selection,
- view_to_model_row (item, row),
- view_to_model_col (item, col));
- return TRUE;
-}
-
-static gboolean
-selection_clear_selection (AtkSelection *selection)
-{
- ETableItem *item;
-
- item = E_TABLE_ITEM (eti_a11y_get_gobject (ATK_OBJECT (selection)));
- if (!item)
- return FALSE;
-
- e_selection_model_clear (item->selection);
- return TRUE;
-}
-
-static AtkObject *
-selection_ref_selection (AtkSelection *selection, gint index)
-{
- AtkTable *table;
- gint row, col;
-
- table = ATK_TABLE (selection);
- row = atk_table_get_row_at_index (table, index);
- col = atk_table_get_column_at_index (table, index);
- if (!atk_table_is_row_selected (table, row))
- return NULL;
-
- return atk_table_ref_at (table, row, col);
-}
-
-static gint
-selection_get_selection_count (AtkSelection *selection)
-{
- AtkTable *table;
- gint n_selected;
-
- table = ATK_TABLE (selection);
- n_selected = atk_table_get_selected_rows (table, NULL);
- if (n_selected > 0)
- n_selected *= atk_table_get_n_columns (table);
- return n_selected;
-}
-
-static gboolean
-selection_is_child_selected (AtkSelection *selection, gint i)
-{
- gint row;
-
- row = atk_table_get_row_at_index (ATK_TABLE (selection), i);
- return atk_table_is_row_selected (ATK_TABLE (selection), row);
-}