+++ /dev/null
-/* GAIL - The GNOME Accessibility Implementation Library
- * Copyright 2001 Sun Microsystems Inc.
- *
- * 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 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., 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
- */
-
-#include "config.h"
-
-#include <stdio.h>
-
-#undef GTK_DISABLE_DEPRECATED
-
-#include <gtk/gtk.h>
-#include "gailclist.h"
-#include "gailclistcell.h"
-#include "gailcellparent.h"
-
-/* Copied from gtkclist.c */
-/* this defigns the base grid spacing */
-#define CELL_SPACING 1
-
-/* added the horizontal space at the beginning and end of a row*/
-#define COLUMN_INSET 3
-
-
-/* gives the top pixel of the given row in context of
- * the clist's voffset */
-#define ROW_TOP_YPIXEL(clist, row) (((clist)->row_height * (row)) + \
- (((row) + 1) * CELL_SPACING) + \
- (clist)->voffset)
-
-/* returns the row index from a y pixel location in the
- * context of the clist's voffset */
-#define ROW_FROM_YPIXEL(clist, y) (((y) - (clist)->voffset) / \
- ((clist)->row_height + CELL_SPACING))
-/* gives the left pixel of the given column in context of
- * the clist's hoffset */
-#define COLUMN_LEFT_XPIXEL(clist, colnum) ((clist)->column[(colnum)].area.x + \
- (clist)->hoffset)
-
-/* returns the column index from a x pixel location in the
- * context of the clist's hoffset */
-static inline gint
-COLUMN_FROM_XPIXEL (GtkCList * clist,
- gint x)
-{
- gint i, cx;
-
- for (i = 0; i < clist->columns; i++)
- if (clist->column[i].visible)
- {
- cx = clist->column[i].area.x + clist->hoffset;
-
- if (x >= (cx - (COLUMN_INSET + CELL_SPACING)) &&
- x <= (cx + clist->column[i].area.width + COLUMN_INSET))
- return i;
- }
-
- /* no match */
- return -1;
-}
-
-/* returns the top pixel of the given row in the context of
- * the list height */
-#define ROW_TOP(clist, row) (((clist)->row_height + CELL_SPACING) * (row))
-
-/* returns the left pixel of the given column in the context of
- * the list width */
-#define COLUMN_LEFT(clist, colnum) ((clist)->column[(colnum)].area.x)
-
-/* returns the total height of the list */
-#define LIST_HEIGHT(clist) (((clist)->row_height * ((clist)->rows)) + \
- (CELL_SPACING * ((clist)->rows + 1)))
-
-static inline gint
-LIST_WIDTH (GtkCList * clist)
-{
- gint last_column;
-
- for (last_column = clist->columns - 1;
- last_column >= 0 && !clist->column[last_column].visible; last_column--);
-
- if (last_column >= 0)
- return (clist->column[last_column].area.x +
- clist->column[last_column].area.width +
- COLUMN_INSET + CELL_SPACING);
- return 0;
-}
-
-/* returns the GList item for the nth row */
-#define ROW_ELEMENT(clist, row) (((row) == (clist)->rows - 1) ? \
- (clist)->row_list_end : \
- g_list_nth ((clist)->row_list, (row)))
-
-typedef struct _GailCListRow GailCListRow;
-typedef struct _GailCListCellData GailCListCellData;
-
-
-static void gail_clist_class_init (GailCListClass *klass);
-static void gail_clist_init (GailCList *clist);
-static void gail_clist_real_initialize (AtkObject *obj,
- gpointer data);
-static void gail_clist_finalize (GObject *object);
-
-static gint gail_clist_get_n_children (AtkObject *obj);
-static AtkObject* gail_clist_ref_child (AtkObject *obj,
- gint i);
-static AtkStateSet* gail_clist_ref_state_set (AtkObject *obj);
-
-
-static void atk_selection_interface_init (AtkSelectionIface *iface);
-static gboolean gail_clist_clear_selection (AtkSelection *selection);
-
-static AtkObject* gail_clist_ref_selection (AtkSelection *selection,
- gint i);
-static gint gail_clist_get_selection_count (AtkSelection *selection);
-static gboolean gail_clist_is_child_selected (AtkSelection *selection,
- gint i);
-static gboolean gail_clist_select_all_selection (AtkSelection *selection);
-
-static void atk_table_interface_init (AtkTableIface *iface);
-static gint gail_clist_get_index_at (AtkTable *table,
- gint row,
- gint column);
-static gint gail_clist_get_column_at_index (AtkTable *table,
- gint index);
-static gint gail_clist_get_row_at_index (AtkTable *table,
- gint index);
-static AtkObject* gail_clist_ref_at (AtkTable *table,
- gint row,
- gint column);
-static AtkObject* gail_clist_ref_at_actual (AtkTable *table,
- gint row,
- gint column);
-static AtkObject*
- gail_clist_get_caption (AtkTable *table);
-
-static gint gail_clist_get_n_columns (AtkTable *table);
-static gint gail_clist_get_n_actual_columns (GtkCList *clist);
-
-static G_CONST_RETURN gchar*
- gail_clist_get_column_description(AtkTable *table,
- gint column);
-static AtkObject* gail_clist_get_column_header (AtkTable *table,
- gint column);
-static gint gail_clist_get_n_rows (AtkTable *table);
-static G_CONST_RETURN gchar*
- gail_clist_get_row_description (AtkTable *table,
- gint row);
-static AtkObject* gail_clist_get_row_header (AtkTable *table,
- gint row);
-static AtkObject* gail_clist_get_summary (AtkTable *table);
-static gboolean gail_clist_add_row_selection (AtkTable *table,
- gint row);
-static gboolean gail_clist_remove_row_selection (AtkTable *table,
- gint row);
-static gint gail_clist_get_selected_rows (AtkTable *table,
- gint **rows_selected);
-static gboolean gail_clist_is_row_selected (AtkTable *table,
- gint row);
-static gboolean gail_clist_is_selected (AtkTable *table,
- gint row,
- gint column);
-static void gail_clist_set_caption (AtkTable *table,
- AtkObject *caption);
-static void gail_clist_set_column_description(AtkTable *table,
- gint column,
- const gchar *description);
-static void gail_clist_set_column_header (AtkTable *table,
- gint column,
- AtkObject *header);
-static void gail_clist_set_row_description (AtkTable *table,
- gint row,
- const gchar *description);
-static void gail_clist_set_row_header (AtkTable *table,
- gint row,
- AtkObject *header);
-static void gail_clist_set_summary (AtkTable *table,
- AtkObject *accessible);
-
-/* gailcellparent.h */
-
-static void gail_cell_parent_interface_init (GailCellParentIface *iface);
-static void gail_clist_get_cell_extents (GailCellParent *parent,
- GailCell *cell,
- gint *x,
- gint *y,
- gint *width,
- gint *height,
- AtkCoordType coord_type);
-
-static void gail_clist_get_cell_area (GailCellParent *parent,
- GailCell *cell,
- GdkRectangle *cell_rect);
-
-static void gail_clist_select_row_gtk (GtkCList *clist,
- int row,
- int column,
- GdkEvent *event,
- gpointer data);
-static void gail_clist_unselect_row_gtk (GtkCList *clist,
- int row,
- int column,
- GdkEvent *event,
- gpointer data);
-static gint gail_clist_get_visible_column (AtkTable *table,
- int column);
-static gint gail_clist_get_actual_column (AtkTable *table,
- int visible_column);
-static void gail_clist_set_row_data (AtkTable *table,
- gint row,
- const gchar *description,
- AtkObject *header,
- gboolean is_header);
-static GailCListRow*
- gail_clist_get_row_data (AtkTable *table,
- gint row);
-static void gail_clist_get_visible_rect (GtkCList *clist,
- GdkRectangle *clist_rect);
-static gboolean gail_clist_is_cell_visible (GdkRectangle *cell_rect,
- GdkRectangle *visible_rect);
-static void gail_clist_cell_data_new (GailCList *clist,
- GailCell *cell,
- gint column,
- gint row);
-static void gail_clist_cell_destroyed (gpointer data);
-static void gail_clist_cell_data_remove (GailCList *clist,
- GailCell *cell);
-static GailCell* gail_clist_find_cell (GailCList *clist,
- gint index);
-static void gail_clist_adjustment_changed (GtkAdjustment *adjustment,
- GtkCList *clist);
-
-struct _GailCListColumn
-{
- gchar *description;
- AtkObject *header;
-};
-
-struct _GailCListRow
-{
- GtkCListRow *row_data;
- int row_number;
- gchar *description;
- AtkObject *header;
-};
-
-struct _GailCListCellData
-{
- GtkCell *gtk_cell;
- GailCell *gail_cell;
- int row_number;
- int column_number;
-};
-
-G_DEFINE_TYPE_WITH_CODE (GailCList, gail_clist, GAIL_TYPE_CONTAINER,
- G_IMPLEMENT_INTERFACE (ATK_TYPE_TABLE, atk_table_interface_init)
- G_IMPLEMENT_INTERFACE (ATK_TYPE_SELECTION, atk_selection_interface_init)
- G_IMPLEMENT_INTERFACE (GAIL_TYPE_CELL_PARENT, gail_cell_parent_interface_init))
-
-static void
-gail_clist_class_init (GailCListClass *klass)
-{
- AtkObjectClass *class = ATK_OBJECT_CLASS (klass);
- GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
-
- class->get_n_children = gail_clist_get_n_children;
- class->ref_child = gail_clist_ref_child;
- class->ref_state_set = gail_clist_ref_state_set;
- class->initialize = gail_clist_real_initialize;
-
- gobject_class->finalize = gail_clist_finalize;
-}
-
-static void
-gail_clist_init (GailCList *clist)
-{
-}
-
-static void
-gail_clist_real_initialize (AtkObject *obj,
- gpointer data)
-{
- GailCList *clist;
- GtkCList *gtk_clist;
- gint i;
-
- ATK_OBJECT_CLASS (gail_clist_parent_class)->initialize (obj, data);
-
- obj->role = ATK_ROLE_TABLE;
-
- clist = GAIL_CLIST (obj);
-
- clist->caption = NULL;
- clist->summary = NULL;
- clist->row_data = NULL;
- clist->cell_data = NULL;
- clist->previous_selected_cell = NULL;
-
- gtk_clist = GTK_CLIST (data);
-
- clist->n_cols = gtk_clist->columns;
- clist->columns = g_new (GailCListColumn, gtk_clist->columns);
- for (i = 0; i < gtk_clist->columns; i++)
- {
- clist->columns[i].description = NULL;
- clist->columns[i].header = NULL;
- }
- /*
- * Set up signal handlers for select-row and unselect-row
- */
- g_signal_connect (gtk_clist,
- "select-row",
- G_CALLBACK (gail_clist_select_row_gtk),
- obj);
- g_signal_connect (gtk_clist,
- "unselect-row",
- G_CALLBACK (gail_clist_unselect_row_gtk),
- obj);
- /*
- * Adjustment callbacks
- */
- if (gtk_clist->hadjustment)
- {
- g_signal_connect (gtk_clist->hadjustment,
- "value_changed",
- G_CALLBACK (gail_clist_adjustment_changed),
- gtk_clist);
- }
- if (gtk_clist->vadjustment)
- {
- g_signal_connect (gtk_clist->vadjustment,
- "value_changed",
- G_CALLBACK (gail_clist_adjustment_changed),
- gtk_clist);
- }
-}
-
-static void
-gail_clist_finalize (GObject *object)
-{
- GailCList *clist = GAIL_CLIST (object);
- gint i;
- GArray *array;
-
- if (clist->caption)
- g_object_unref (clist->caption);
- if (clist->summary)
- g_object_unref (clist->summary);
-
- for (i = 0; i < clist->n_cols; i++)
- {
- g_free (clist->columns[i].description);
- if (clist->columns[i].header)
- g_object_unref (clist->columns[i].header);
- }
- g_free (clist->columns);
-
- array = clist->row_data;
-
- if (clist->previous_selected_cell)
- g_object_unref (clist->previous_selected_cell);
-
- if (array)
- {
- for (i = 0; i < array->len; i++)
- {
- GailCListRow *row_data;
-
- row_data = g_array_index (array, GailCListRow*, i);
-
- if (row_data->header)
- g_object_unref (row_data->header);
- g_free (row_data->description);
- }
- }
-
- if (clist->cell_data)
- {
- GList *temp_list;
-
- for (temp_list = clist->cell_data; temp_list; temp_list = temp_list->next)
- {
- g_list_free (temp_list->data);
- }
- g_list_free (clist->cell_data);
- }
-
- G_OBJECT_CLASS (gail_clist_parent_class)->finalize (object);
-}
-
-static gint
-gail_clist_get_n_children (AtkObject *obj)
-{
- GtkWidget *widget;
- gint row, col;
-
- g_return_val_if_fail (GAIL_IS_CLIST (obj), 0);
-
- widget = GTK_ACCESSIBLE (obj)->widget;
- if (widget == NULL)
- /*
- * State is defunct
- */
- return 0;
-
- row = gail_clist_get_n_rows (ATK_TABLE (obj));
- col = gail_clist_get_n_actual_columns (GTK_CLIST (widget));
- return (row * col);
-}
-
-static AtkObject*
-gail_clist_ref_child (AtkObject *obj,
- gint i)
-{
- GtkWidget *widget;
- gint row, col;
- gint n_columns;
-
- g_return_val_if_fail (GAIL_IS_CLIST (obj), NULL);
- g_return_val_if_fail (i >= 0, NULL);
-
- widget = GTK_ACCESSIBLE (obj)->widget;
- if (widget == NULL)
- /*
- * State is defunct
- */
- return NULL;
-
- n_columns = gail_clist_get_n_actual_columns (GTK_CLIST (widget));
- if (!n_columns)
- return NULL;
-
- row = i / n_columns;
- col = i % n_columns;
- return gail_clist_ref_at_actual (ATK_TABLE (obj), row, col);
-}
-
-static AtkStateSet*
-gail_clist_ref_state_set (AtkObject *obj)
-{
- AtkStateSet *state_set;
- GtkWidget *widget;
-
- state_set = ATK_OBJECT_CLASS (gail_clist_parent_class)->ref_state_set (obj);
- widget = GTK_ACCESSIBLE (obj)->widget;
-
- if (widget != NULL)
- atk_state_set_add_state (state_set, ATK_STATE_MANAGES_DESCENDANTS);
-
- return state_set;
-}
-
-static void
-atk_selection_interface_init (AtkSelectionIface *iface)
-{
- iface->clear_selection = gail_clist_clear_selection;
- iface->ref_selection = gail_clist_ref_selection;
- iface->get_selection_count = gail_clist_get_selection_count;
- iface->is_child_selected = gail_clist_is_child_selected;
- iface->select_all_selection = gail_clist_select_all_selection;
-}
-
-static gboolean
-gail_clist_clear_selection (AtkSelection *selection)
-{
- GtkCList *clist;
- GtkWidget *widget;
-
- widget = GTK_ACCESSIBLE (selection)->widget;
- if (widget == NULL)
- /* State is defunct */
- return FALSE;
-
- clist = GTK_CLIST (widget);
- gtk_clist_unselect_all(clist);
- return TRUE;
-}
-
-static AtkObject*
-gail_clist_ref_selection (AtkSelection *selection,
- gint i)
-{
- gint visible_columns;
- gint selected_row;
- gint selected_column;
- gint *selected_rows;
-
- if ( i < 0 && i >= gail_clist_get_selection_count (selection))
- return NULL;
-
- visible_columns = gail_clist_get_n_columns (ATK_TABLE (selection));
- gail_clist_get_selected_rows (ATK_TABLE (selection), &selected_rows);
- selected_row = selected_rows[i / visible_columns];
- g_free (selected_rows);
- selected_column = gail_clist_get_actual_column (ATK_TABLE (selection),
- i % visible_columns);
-
- return gail_clist_ref_at (ATK_TABLE (selection), selected_row,
- selected_column);
-}
-
-static gint
-gail_clist_get_selection_count (AtkSelection *selection)
-{
- gint n_rows_selected;
-
- n_rows_selected = gail_clist_get_selected_rows (ATK_TABLE (selection), NULL);
-
- if (n_rows_selected > 0)
- /*
- * The number of cells selected is the number of columns
- * times the number of selected rows
- */
- return gail_clist_get_n_columns (ATK_TABLE (selection)) * n_rows_selected;
- return 0;
-}
-
-static gboolean
-gail_clist_is_child_selected (AtkSelection *selection,
- gint i)
-{
- gint row;
-
- row = atk_table_get_row_at_index (ATK_TABLE (selection), i);
-
- if (row == 0 && i >= gail_clist_get_n_columns (ATK_TABLE (selection)))
- return FALSE;
- return gail_clist_is_row_selected (ATK_TABLE (selection), row);
-}
-
-static gboolean
-gail_clist_select_all_selection (AtkSelection *selection)
-{
- GtkCList *clist;
- GtkWidget *widget;
- /* GtkArg arg; */
-
- widget = GTK_ACCESSIBLE (selection)->widget;
- if (widget == NULL)
- /* State is defunct */
- return FALSE;
-
- clist = GTK_CLIST (widget);
- gtk_clist_select_all(clist);
-
- return TRUE;
-}
-
-static void
-atk_table_interface_init (AtkTableIface *iface)
-{
- iface->ref_at = gail_clist_ref_at;
- iface->get_index_at = gail_clist_get_index_at;
- iface->get_column_at_index = gail_clist_get_column_at_index;
- iface->get_row_at_index = gail_clist_get_row_at_index;
- iface->get_caption = gail_clist_get_caption;
- iface->get_n_columns = gail_clist_get_n_columns;
- iface->get_column_description = gail_clist_get_column_description;
- iface->get_column_header = gail_clist_get_column_header;
- iface->get_n_rows = gail_clist_get_n_rows;
- iface->get_row_description = gail_clist_get_row_description;
- iface->get_row_header = gail_clist_get_row_header;
- iface->get_summary = gail_clist_get_summary;
- iface->add_row_selection = gail_clist_add_row_selection;
- iface->remove_row_selection = gail_clist_remove_row_selection;
- iface->get_selected_rows = gail_clist_get_selected_rows;
- iface->is_row_selected = gail_clist_is_row_selected;
- iface->is_selected = gail_clist_is_selected;
- iface->set_caption = gail_clist_set_caption;
- iface->set_column_description = gail_clist_set_column_description;
- iface->set_column_header = gail_clist_set_column_header;
- iface->set_row_description = gail_clist_set_row_description;
- iface->set_row_header = gail_clist_set_row_header;
- iface->set_summary = gail_clist_set_summary;
-}
-
-static AtkObject*
-gail_clist_ref_at (AtkTable *table,
- gint row,
- gint column)
-{
- GtkWidget *widget;
- gint actual_column;
-
- widget = GTK_ACCESSIBLE (table)->widget;
- if (widget == NULL)
- /* State is defunct */
- return NULL;
-
- actual_column = gail_clist_get_actual_column (table, column);
- return gail_clist_ref_at_actual (table, row, actual_column);
-}
-
-
-static AtkObject*
-gail_clist_ref_at_actual (AtkTable *table,
- gint row,
- gint column)
-{
- /*
- * The column number pased to this function is the actual column number
- * whereas the column number passed to gail_clist_ref_at is the
- * visible column number
- */
- GtkCList *clist;
- GtkWidget *widget;
- GtkCellType cellType;
- AtkObject *return_object;
- gint n_rows, n_columns;
- gint index;
- GailCell *cell;
-
- g_return_val_if_fail (GTK_IS_ACCESSIBLE (table), NULL);
-
- widget = GTK_ACCESSIBLE (table)->widget;
- if (widget == NULL)
- /* State is defunct */
- return NULL;
-
- clist = GTK_CLIST (widget);
- n_rows = gail_clist_get_n_rows (table);
- n_columns = gail_clist_get_n_actual_columns (clist);
-
- if (row < 0 || row >= n_rows)
- return NULL;
- if (column < 0 || column >= n_columns)
- return NULL;
-
- /*
- * Check whether the child is cached
- */
- index = column + row * n_columns;
- cell = gail_clist_find_cell (GAIL_CLIST (table), index);
- if (cell)
- {
- g_object_ref (cell);
- return ATK_OBJECT (cell);
- }
- cellType = gtk_clist_get_cell_type(clist, row, column);
- switch (cellType)
- {
- case GTK_CELL_TEXT:
- case GTK_CELL_PIXTEXT:
- return_object = gail_clist_cell_new ();
- break;
- case GTK_CELL_PIXMAP:
- return_object = NULL;
- break;
- default:
- /* Don't handle GTK_CELL_EMPTY or GTK_CELL_WIDGET, return NULL */
- return_object = NULL;
- break;
- }
- if (return_object)
- {
- cell = GAIL_CELL (return_object);
-
- g_return_val_if_fail (ATK_IS_OBJECT (table), NULL);
-
- gail_cell_initialise (cell, widget, ATK_OBJECT (table),
- index);
- /*
- * Store the cell in a cache
- */
- gail_clist_cell_data_new (GAIL_CLIST (table), cell, column, row);
- /*
- * If the column is visible, sets the cell's state
- */
- if (clist->column[column].visible)
- {
- GdkRectangle cell_rect, visible_rect;
-
- gail_clist_get_cell_area (GAIL_CELL_PARENT (table), cell, &cell_rect);
- gail_clist_get_visible_rect (clist, &visible_rect);
- gail_cell_add_state (cell, ATK_STATE_VISIBLE, FALSE);
- if (gail_clist_is_cell_visible (&cell_rect, &visible_rect))
- gail_cell_add_state (cell, ATK_STATE_SHOWING, FALSE);
- }
- /*
- * If a row is selected, all cells in the row are selected
- */
- if (gail_clist_is_row_selected (table, row))
- {
- gail_cell_add_state (cell, ATK_STATE_SELECTED, FALSE);
- if (clist->columns == 1)
- gail_cell_add_state (cell, ATK_STATE_FOCUSED, FALSE);
- }
- }
-
- return return_object;
-}
-
-static gint
-gail_clist_get_index_at (AtkTable *table,
- gint row,
- gint column)
-{
- gint n_cols, n_rows;
-
- n_cols = atk_table_get_n_columns (table);
- n_rows = atk_table_get_n_rows (table);
-
- g_return_val_if_fail (row < n_rows, 0);
- g_return_val_if_fail (column < n_cols, 0);
-
- return row * n_cols + column;
-}
-
-static gint
-gail_clist_get_column_at_index (AtkTable *table,
- gint index)
-{
- gint n_cols;
-
- n_cols = atk_table_get_n_columns (table);
-
- if (n_cols == 0)
- return 0;
- else
- return (gint) (index % n_cols);
-}
-
-static gint
-gail_clist_get_row_at_index (AtkTable *table,
- gint index)
-{
- gint n_cols;
-
- n_cols = atk_table_get_n_columns (table);
-
- if (n_cols == 0)
- return 0;
- else
- return (gint) (index / n_cols);
-}
-
-static AtkObject*
-gail_clist_get_caption (AtkTable *table)
-{
- GailCList* obj = GAIL_CLIST (table);
-
- return obj->caption;
-}
-
-static gint
-gail_clist_get_n_columns (AtkTable *table)
-{
- GtkWidget *widget;
- GtkCList *clist;
-
- widget = GTK_ACCESSIBLE (table)->widget;
- if (widget == NULL)
- /* State is defunct */
- return 0;
-
- clist = GTK_CLIST (widget);
-
- return gail_clist_get_visible_column (table,
- gail_clist_get_n_actual_columns (clist));
-}
-
-static gint
-gail_clist_get_n_actual_columns (GtkCList *clist)
-{
- return clist->columns;
-}
-
-static G_CONST_RETURN gchar*
-gail_clist_get_column_description (AtkTable *table,
- gint column)
-{
- GailCList *clist = GAIL_CLIST (table);
- GtkWidget *widget;
- gint actual_column;
-
- if (column < 0 || column >= gail_clist_get_n_columns (table))
- return NULL;
-
- actual_column = gail_clist_get_actual_column (table, column);
- if (clist->columns[actual_column].description)
- return (clist->columns[actual_column].description);
-
- widget = GTK_ACCESSIBLE (clist)->widget;
- if (widget == NULL)
- return NULL;
-
- return gtk_clist_get_column_title (GTK_CLIST (widget), actual_column);
-}
-
-static AtkObject*
-gail_clist_get_column_header (AtkTable *table,
- gint column)
-{
- GailCList *clist = GAIL_CLIST (table);
- GtkWidget *widget;
- GtkWidget *return_widget;
- gint actual_column;
-
- if (column < 0 || column >= gail_clist_get_n_columns (table))
- return NULL;
-
- actual_column = gail_clist_get_actual_column (table, column);
-
- if (clist->columns[actual_column].header)
- return (clist->columns[actual_column].header);
-
- widget = GTK_ACCESSIBLE (clist)->widget;
- if (widget == NULL)
- return NULL;
-
- return_widget = gtk_clist_get_column_widget (GTK_CLIST (widget),
- actual_column);
- if (return_widget == NULL)
- return NULL;
-
- g_return_val_if_fail (GTK_IS_BIN (return_widget), NULL);
- return_widget = gtk_bin_get_child (GTK_BIN(return_widget));
-
- return gtk_widget_get_accessible (return_widget);
-}
-
-static gint
-gail_clist_get_n_rows (AtkTable *table)
-{
- GtkWidget *widget;
- GtkCList *clist;
-
- widget = GTK_ACCESSIBLE (table)->widget;
- if (widget == NULL)
- /* State is defunct */
- return 0;
-
- clist = GTK_CLIST (widget);
- return clist->rows;
-}
-
-static G_CONST_RETURN gchar*
-gail_clist_get_row_description (AtkTable *table,
- gint row)
-{
- GailCListRow* row_data;
-
- row_data = gail_clist_get_row_data (table, row);
- if (row_data == NULL)
- return NULL;
- return row_data->description;
-}
-
-static AtkObject*
-gail_clist_get_row_header (AtkTable *table,
- gint row)
-{
- GailCListRow* row_data;
-
- row_data = gail_clist_get_row_data (table, row);
- if (row_data == NULL)
- return NULL;
- return row_data->header;
-}
-
-static AtkObject*
-gail_clist_get_summary (AtkTable *table)
-{
- GailCList* obj = GAIL_CLIST (table);
-
- return obj->summary;
-}
-
-static gboolean
-gail_clist_add_row_selection (AtkTable *table,
- gint row)
-{
- GtkWidget *widget;
- GtkCList *clist;
-
- widget = GTK_ACCESSIBLE (table)->widget;
- if (widget == NULL)
- /* State is defunct */
- return 0;
-
- clist = GTK_CLIST (widget);
- gtk_clist_select_row (clist, row, -1);
- if (gail_clist_is_row_selected (table, row))
- return TRUE;
-
- return FALSE;
-}
-
-static gboolean
-gail_clist_remove_row_selection (AtkTable *table,
- gint row)
-{
- GtkWidget *widget;
- GtkCList *clist;
-
- widget = GTK_ACCESSIBLE (table)->widget;
- if (widget == NULL)
- /* State is defunct */
- return 0;
-
- clist = GTK_CLIST (widget);
- if (gail_clist_is_row_selected (table, row))
- {
- gtk_clist_select_row (clist, row, -1);
- return TRUE;
- }
- return FALSE;
-}
-
-static gint
-gail_clist_get_selected_rows (AtkTable *table,
- gint **rows_selected)
-{
- GtkWidget *widget;
- GtkCList *clist;
- GList *list;
- gint n_selected;
- gint i;
-
- widget = GTK_ACCESSIBLE (table)->widget;
- if (widget == NULL)
- /* State is defunct */
- return 0;
-
- clist = GTK_CLIST (widget);
-
- n_selected = g_list_length (clist->selection);
-
- if (n_selected == 0)
- return 0;
-
- if (rows_selected)
- {
- gint *selected_rows;
-
- selected_rows = (gint*) g_malloc (sizeof (gint) * n_selected);
- list = clist->selection;
-
- i = 0;
- while (list)
- {
- selected_rows[i++] = GPOINTER_TO_INT (list->data);
- list = list->next;
- }
- *rows_selected = selected_rows;
- }
- return n_selected;
-}
-
-static gboolean
-gail_clist_is_row_selected (AtkTable *table,
- gint row)
-{
- GList *elem;
- GtkWidget *widget;
- GtkCList *clist;
- GtkCListRow *clist_row;
-
- widget = GTK_ACCESSIBLE (table)->widget;
- if (widget == NULL)
- /* State is defunct */
- return FALSE;
-
- clist = GTK_CLIST (widget);
-
- if (row < 0 || row >= clist->rows)
- return FALSE;
-
- elem = ROW_ELEMENT (clist, row);
- if (!elem)
- return FALSE;
- clist_row = elem->data;
-
- return (clist_row->state == GTK_STATE_SELECTED);
-}
-
-static gboolean
-gail_clist_is_selected (AtkTable *table,
- gint row,
- gint column)
-{
- return gail_clist_is_row_selected (table, row);
-}
-
-static void
-gail_clist_set_caption (AtkTable *table,
- AtkObject *caption)
-{
- GailCList* obj = GAIL_CLIST (table);
- AtkPropertyValues values = { NULL };
- AtkObject *old_caption;
-
- old_caption = obj->caption;
- obj->caption = caption;
- if (obj->caption)
- g_object_ref (obj->caption);
-
- g_value_init (&values.old_value, G_TYPE_POINTER);
- g_value_set_pointer (&values.old_value, old_caption);
- g_value_init (&values.new_value, G_TYPE_POINTER);
- g_value_set_pointer (&values.new_value, obj->caption);
-
- values.property_name = "accessible-table-caption";
- g_signal_emit_by_name (table,
- "property_change::accessible-table-caption",
- &values, NULL);
- if (old_caption)
- g_object_unref (old_caption);
-}
-
-static void
-gail_clist_set_column_description (AtkTable *table,
- gint column,
- const gchar *description)
-{
- GailCList *clist = GAIL_CLIST (table);
- AtkPropertyValues values = { NULL };
- gint actual_column;
-
- if (column < 0 || column >= gail_clist_get_n_columns (table))
- return;
-
- if (description == NULL)
- return;
-
- actual_column = gail_clist_get_actual_column (table, column);
- g_free (clist->columns[actual_column].description);
- clist->columns[actual_column].description = g_strdup (description);
-
- g_value_init (&values.new_value, G_TYPE_INT);
- g_value_set_int (&values.new_value, column);
-
- values.property_name = "accessible-table-column-description";
- g_signal_emit_by_name (table,
- "property_change::accessible-table-column-description",
- &values, NULL);
-
-}
-
-static void
-gail_clist_set_column_header (AtkTable *table,
- gint column,
- AtkObject *header)
-{
- GailCList *clist = GAIL_CLIST (table);
- AtkPropertyValues values = { NULL };
- gint actual_column;
-
- if (column < 0 || column >= gail_clist_get_n_columns (table))
- return;
-
- actual_column = gail_clist_get_actual_column (table, column);
- if (clist->columns[actual_column].header)
- g_object_unref (clist->columns[actual_column].header);
- if (header)
- g_object_ref (header);
- clist->columns[actual_column].header = header;
-
- g_value_init (&values.new_value, G_TYPE_INT);
- g_value_set_int (&values.new_value, column);
-
- values.property_name = "accessible-table-column-header";
- g_signal_emit_by_name (table,
- "property_change::accessible-table-column-header",
- &values, NULL);
-}
-
-static void
-gail_clist_set_row_description (AtkTable *table,
- gint row,
- const gchar *description)
-{
- gail_clist_set_row_data (table, row, description, NULL, FALSE);
-}
-
-static void
-gail_clist_set_row_header (AtkTable *table,
- gint row,
- AtkObject *header)
-{
- gail_clist_set_row_data (table, row, NULL, header, TRUE);
-}
-
-static void
-gail_clist_set_summary (AtkTable *table,
- AtkObject *accessible)
-{
- GailCList* obj = GAIL_CLIST (table);
- AtkPropertyValues values = { 0, };
- AtkObject *old_summary;
-
- old_summary = obj->summary;
- obj->summary = accessible;
- if (obj->summary)
- g_object_ref (obj->summary);
-
- g_value_init (&values.old_value, G_TYPE_POINTER);
- g_value_set_pointer (&values.old_value, old_summary);
- g_value_init (&values.new_value, G_TYPE_POINTER);
- g_value_set_pointer (&values.new_value, obj->summary);
-
- values.property_name = "accessible-table-summary";
- g_signal_emit_by_name (table,
- "property_change::accessible-table-summary",
- &values, NULL);
- if (old_summary)
- g_object_unref (old_summary);
-}
-
-
-static void gail_cell_parent_interface_init (GailCellParentIface *iface)
-{
- iface->get_cell_extents = gail_clist_get_cell_extents;
- iface->get_cell_area = gail_clist_get_cell_area;
-}
-
-static void
-gail_clist_get_cell_extents (GailCellParent *parent,
- GailCell *cell,
- gint *x,
- gint *y,
- gint *width,
- gint *height,
- AtkCoordType coord_type)
-{
- GtkWidget* widget;
- GtkCList *clist;
- gint widget_x, widget_y, widget_width, widget_height;
- GdkRectangle cell_rect;
- GdkRectangle visible_rect;
-
- widget = GTK_ACCESSIBLE (parent)->widget;
- if (widget == NULL)
- return;
- clist = GTK_CLIST (widget);
-
- atk_component_get_extents (ATK_COMPONENT (parent), &widget_x, &widget_y,
- &widget_width, &widget_height,
- coord_type);
-
- gail_clist_get_cell_area (parent, cell, &cell_rect);
- *width = cell_rect.width;
- *height = cell_rect.height;
- gail_clist_get_visible_rect (clist, &visible_rect);
- if (gail_clist_is_cell_visible (&cell_rect, &visible_rect))
- {
- *x = cell_rect.x + widget_x;
- *y = cell_rect.y + widget_y;
- }
- else
- {
- *x = G_MININT;
- *y = G_MININT;
- }
-}
-
-static void
-gail_clist_get_cell_area (GailCellParent *parent,
- GailCell *cell,
- GdkRectangle *cell_rect)
-{
- GtkWidget* widget;
- GtkCList *clist;
- gint column, row, n_columns;
-
- widget = GTK_ACCESSIBLE (parent)->widget;
- if (widget == NULL)
- return;
- clist = GTK_CLIST (widget);
-
- n_columns = gail_clist_get_n_actual_columns (clist);
- g_return_if_fail (n_columns > 0);
- column = cell->index % n_columns;
- row = cell->index / n_columns;
- cell_rect->x = COLUMN_LEFT (clist, column);
- cell_rect->y = ROW_TOP (clist, row);
- cell_rect->width = clist->column[column].area.width;
- cell_rect->height = clist->row_height;
-}
-
-static void
-gail_clist_select_row_gtk (GtkCList *clist,
- gint row,
- gint column,
- GdkEvent *event,
- gpointer data)
-{
- GailCList *gail_clist;
- GList *temp_list;
- AtkObject *selected_cell;
-
- gail_clist = GAIL_CLIST (data);
-
- for (temp_list = gail_clist->cell_data; temp_list; temp_list = temp_list->next)
- {
- GailCListCellData *cell_data;
-
- cell_data = (GailCListCellData *) (temp_list->data);
-
- if (row == cell_data->row_number)
- {
- /*
- * Row is selected
- */
- gail_cell_add_state (cell_data->gail_cell, ATK_STATE_SELECTED, TRUE);
- }
- }
- if (clist->columns == 1)
- {
- selected_cell = gail_clist_ref_at (ATK_TABLE (data), row, 1);
- if (selected_cell)
- {
- if (gail_clist->previous_selected_cell)
- g_object_unref (gail_clist->previous_selected_cell);
- gail_clist->previous_selected_cell = selected_cell;
- gail_cell_add_state (GAIL_CELL (selected_cell), ATK_STATE_FOCUSED, FALSE);
- g_signal_emit_by_name (gail_clist,
- "active-descendant-changed",
- selected_cell);
- }
- }
-
- g_signal_emit_by_name (gail_clist, "selection_changed");
-}
-
-static void
-gail_clist_unselect_row_gtk (GtkCList *clist,
- gint row,
- gint column,
- GdkEvent *event,
- gpointer data)
-{
- GailCList *gail_clist;
- GList *temp_list;
-
- gail_clist = GAIL_CLIST (data);
-
- for (temp_list = gail_clist->cell_data; temp_list; temp_list = temp_list->next)
- {
- GailCListCellData *cell_data;
-
- cell_data = (GailCListCellData *) (temp_list->data);
-
- if (row == cell_data->row_number)
- {
- /*
- * Row is unselected
- */
- gail_cell_add_state (cell_data->gail_cell, ATK_STATE_FOCUSED, FALSE);
- gail_cell_remove_state (cell_data->gail_cell, ATK_STATE_SELECTED, TRUE);
- }
- }
-
- g_signal_emit_by_name (gail_clist, "selection_changed");
-}
-
-/*
- * This function determines the number of visible columns
- * up to and including the specified column
- */
-static gint
-gail_clist_get_visible_column (AtkTable *table,
- int column)
-{
- GtkWidget *widget;
- GtkCList *clist;
- gint i;
- gint vis_columns;
-
- widget = GTK_ACCESSIBLE (table)->widget;
- if (widget == NULL)
- /* State is defunct */
- return 0;
-
- clist = GTK_CLIST (widget);
- for (i = 0, vis_columns = 0; i < column; i++)
- if (clist->column[i].visible)
- vis_columns++;
-
- return vis_columns;
-}
-
-static gint
-gail_clist_get_actual_column (AtkTable *table,
- int visible_column)
-{
- GtkWidget *widget;
- GtkCList *clist;
- gint i;
- gint vis_columns;
-
- widget = GTK_ACCESSIBLE (table)->widget;
- if (widget == NULL)
- /* State is defunct */
- return 0;
-
- clist = GTK_CLIST (widget);
- for (i = 0, vis_columns = 0; i < clist->columns; i++)
- {
- if (clist->column[i].visible)
- {
- if (visible_column == vis_columns)
- return i;
- vis_columns++;
- }
- }
- return 0;
-}
-
-static void
-gail_clist_set_row_data (AtkTable *table,
- gint row,
- const gchar *description,
- AtkObject *header,
- gboolean is_header)
-{
- GtkWidget *widget;
- GtkCList *gtk_clist;
- GailCList *gail_clist;
- GArray *array;
- GailCListRow* row_data;
- gint i;
- gboolean found = FALSE;
- AtkPropertyValues values = { NULL };
- gchar *signal_name;
-
- widget = GTK_ACCESSIBLE (table)->widget;
- if (widget == NULL)
- /* State is defunct */
- return;
-
- gtk_clist = GTK_CLIST (widget);
- if (row < 0 || row >= gtk_clist->rows)
- return;
-
- gail_clist = GAIL_CLIST (table);
-
- if (gail_clist->row_data == NULL)
- gail_clist->row_data = g_array_sized_new (FALSE, TRUE,
- sizeof (GailCListRow *), 0);
-
- array = gail_clist->row_data;
-
- for (i = 0; i < array->len; i++)
- {
- row_data = g_array_index (array, GailCListRow*, i);
-
- if (row == row_data->row_number)
- {
- found = TRUE;
- if (is_header)
- {
- if (row_data->header)
- g_object_unref (row_data->header);
- row_data->header = header;
- if (row_data->header)
- g_object_ref (row_data->header);
- }
- else
- {
- g_free (row_data->description);
- row_data->description = g_strdup (row_data->description);
- }
- break;
- }
- }
- if (!found)
- {
- GList *elem;
-
- elem = ROW_ELEMENT (gtk_clist, row);
- g_return_if_fail (elem != NULL);
-
- row_data = g_new (GailCListRow, 1);
- row_data->row_number = row;
- row_data->row_data = elem->data;
- if (is_header)
- {
- row_data->header = header;
- if (row_data->header)
- g_object_ref (row_data->header);
- row_data->description = NULL;
- }
- else
- {
- row_data->description = g_strdup (row_data->description);
- row_data->header = NULL;
- }
- g_array_append_val (array, row_data);
- }
-
- g_value_init (&values.new_value, G_TYPE_INT);
- g_value_set_int (&values.new_value, row);
-
- if (is_header)
- {
- values.property_name = "accessible-table-row-header";
- signal_name = "property_change::accessible-table-row-header";
- }
- else
- {
- values.property_name = "accessible-table-row-description";
- signal_name = "property_change::accessible-table-row-description";
- }
- g_signal_emit_by_name (table,
- signal_name,
- &values, NULL);
-
-}
-
-static GailCListRow*
-gail_clist_get_row_data (AtkTable *table,
- gint row)
-{
- GtkWidget *widget;
- GtkCList *clist;
- GailCList *obj;
- GArray *array;
- GailCListRow* row_data;
- gint i;
-
- widget = GTK_ACCESSIBLE (table)->widget;
- if (widget == NULL)
- /* State is defunct */
- return NULL;
-
- clist = GTK_CLIST (widget);
- if (row < 0 || row >= clist->rows)
- return NULL;
-
- obj = GAIL_CLIST (table);
-
- if (obj->row_data == NULL)
- return NULL;
-
- array = obj->row_data;
-
- for (i = 0; i < array->len; i++)
- {
- row_data = g_array_index (array, GailCListRow*, i);
-
- if (row == row_data->row_number)
- return row_data;
- }
-
- return NULL;
-}
-
-static void
-gail_clist_get_visible_rect (GtkCList *clist,
- GdkRectangle *clist_rect)
-{
- clist_rect->x = - clist->hoffset;
- clist_rect->y = - clist->voffset;
- clist_rect->width = clist->clist_window_width;
- clist_rect->height = clist->clist_window_height;
-}
-
-static gboolean
-gail_clist_is_cell_visible (GdkRectangle *cell_rect,
- GdkRectangle *visible_rect)
-{
- /*
- * A cell is reported as visible if any part of the cell is visible
- */
- if (((cell_rect->x + cell_rect->width) < visible_rect->x) ||
- ((cell_rect->y + cell_rect->height) < visible_rect->y) ||
- (cell_rect->x > (visible_rect->x + visible_rect->width)) ||
- (cell_rect->y > (visible_rect->y + visible_rect->height)))
- return FALSE;
- else
- return TRUE;
-}
-
-static void
-gail_clist_cell_data_new (GailCList *clist,
- GailCell *cell,
- gint column,
- gint row)
-{
- GList *elem;
- GailCListCellData *cell_data;
- GtkCList *gtk_clist;
- GtkCListRow *clist_row;
-
- gtk_clist = GTK_CLIST (GTK_ACCESSIBLE (clist)->widget);
- elem = g_list_nth (gtk_clist->row_list, row);
- g_return_if_fail (elem != NULL);
- clist_row = (GtkCListRow *) elem->data;
- cell_data = g_new (GailCListCellData, 1);
- cell_data->gail_cell = cell;
- cell_data->gtk_cell = &(clist_row->cell[column]);
- cell_data->column_number = column;
- cell_data->row_number = row;
- clist->cell_data = g_list_append (clist->cell_data, cell_data);
-
- g_object_weak_ref (G_OBJECT (cell),
- (GWeakNotify) gail_clist_cell_destroyed,
- cell);
-}
-
-static void
-gail_clist_cell_destroyed (gpointer data)
-{
- GailCell *cell = GAIL_CELL (data);
- AtkObject* parent;
-
- parent = atk_object_get_parent (ATK_OBJECT (cell));
-
- gail_clist_cell_data_remove (GAIL_CLIST (parent), cell);
-}
-
-static void
-gail_clist_cell_data_remove (GailCList *clist,
- GailCell *cell)
-{
- GList *temp_list;
-
- for (temp_list = clist->cell_data; temp_list; temp_list = temp_list->next)
- {
- GailCListCellData *cell_data;
-
- cell_data = (GailCListCellData *) temp_list->data;
- if (cell_data->gail_cell == cell)
- {
- clist->cell_data = g_list_remove_link (clist->cell_data, temp_list);
- g_free (cell_data);
- return;
- }
- }
- g_warning ("No cell removed in gail_clist_cell_data_remove\n");
-}
-
-static GailCell*
-gail_clist_find_cell (GailCList *clist,
- gint index)
-{
- GList *temp_list;
- gint n_cols;
-
- n_cols = clist->n_cols;
-
- for (temp_list = clist->cell_data; temp_list; temp_list = temp_list->next)
- {
- GailCListCellData *cell_data;
- gint real_index;
-
- cell_data = (GailCListCellData *) (temp_list->data);
-
- real_index = cell_data->column_number + n_cols * cell_data->row_number;
- if (real_index == index)
- return cell_data->gail_cell;
- }
- return NULL;
-}
-
-static void
-gail_clist_adjustment_changed (GtkAdjustment *adjustment,
- GtkCList *clist)
-{
- AtkObject *atk_obj;
- GdkRectangle visible_rect;
- GdkRectangle cell_rect;
- GailCList* obj;
- GList *temp_list;
-
- /*
- * The scrollbars have changed
- */
- atk_obj = gtk_widget_get_accessible (GTK_WIDGET (clist));
- obj = GAIL_CLIST (atk_obj);
-
- /* Get the currently visible area */
- gail_clist_get_visible_rect (clist, &visible_rect);
-
- /* loop over the cells and report if they are visible or not. */
- /* Must loop through them all */
- for (temp_list = obj->cell_data; temp_list; temp_list = temp_list->next)
- {
- GailCell *cell;
- GailCListCellData *cell_data;
-
- cell_data = (GailCListCellData *) (temp_list->data);
- cell = cell_data->gail_cell;
-
- gail_clist_get_cell_area (GAIL_CELL_PARENT (atk_obj),
- cell, &cell_rect);
- if (gail_clist_is_cell_visible (&cell_rect, &visible_rect))
- gail_cell_add_state (cell, ATK_STATE_SHOWING, TRUE);
- else
- gail_cell_remove_state (cell, ATK_STATE_SHOWING, TRUE);
- }
- g_signal_emit_by_name (atk_obj, "visible_data_changed");
-}
-
projects / ~andy / gtk / commitdiff