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-rw-r--r--a11y/e-table/gal-a11y-e-cell-text.c482
1 files changed, 482 insertions, 0 deletions
diff --git a/a11y/e-table/gal-a11y-e-cell-text.c b/a11y/e-table/gal-a11y-e-cell-text.c
new file mode 100644
index 0000000000..43dcc9f7a0
--- /dev/null
+++ b/a11y/e-table/gal-a11y-e-cell-text.c
@@ -0,0 +1,482 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
+/*
+ * Authors:
+ * Christopher James Lahey <clahey@ximian.com>
+ *
+ * Copyright (C) 2002 Ximian, Inc.
+ */
+
+#include <config.h>
+#include "gal-a11y-e-cell-text.h"
+#include "gal-a11y-util.h"
+#include <gal/e-table/e-cell-text.h>
+#include <atk/atkobject.h>
+#include <atk/atktext.h>
+#include <atk/atkeditabletext.h>
+
+#define CS_CLASS(a11y) (G_TYPE_INSTANCE_GET_CLASS ((a11y), C_TYPE_STREAM, GalA11yECellTextClass))
+static AtkObjectClass *parent_class;
+#define PARENT_TYPE (gal_a11y_e_cell_get_type ())
+
+/* Static functions */
+static gchar *
+ect_get_text (AtkText *text,
+ gint start_offset,
+ gint end_offset)
+{
+ GalA11yECell *gaec = GAL_A11Y_E_CELL (text);
+ ECellText *ect = E_CELL_TEXT (gaec->cell_view->ecell);
+ char *ret_val;
+ char *full_text =
+ e_cell_text_get_text (ect, gaec->item->table_model, gaec->model_col, gaec->row);
+
+ if (end_offset == -1)
+ end_offset = strlen (full_text);
+ else
+ end_offset = g_utf8_offset_to_pointer (full_text, end_offset) - full_text;
+
+ start_offset = g_utf8_offset_to_pointer (full_text, start_offset) - full_text;
+
+ ret_val = g_strndup (full_text + start_offset, end_offset - start_offset);
+
+ e_cell_text_free_text (ect, full_text);
+
+ return ret_val;
+}
+
+static gchar *
+ect_get_text_after_offset (AtkText *text,
+ gint offset,
+ AtkTextBoundary boundary_type,
+ gint *start_offset,
+ gint *end_offset)
+{
+ /* Unimplemented */
+ return NULL;
+}
+
+static gchar *
+ect_get_text_at_offset (AtkText *text,
+ gint offset,
+ AtkTextBoundary boundary_type,
+ gint *start_offset,
+ gint *end_offset)
+{
+ /* Unimplemented */
+ return NULL;
+}
+
+static gunichar
+ect_get_character_at_offset (AtkText *text,
+ gint offset)
+{
+ GalA11yECell *gaec = GAL_A11Y_E_CELL (text);
+ ECellText *ect = E_CELL_TEXT (gaec->cell_view->ecell);
+ gunichar ret_val;
+ char *full_text;
+ char *at_offset;
+
+ full_text = e_cell_text_get_text (ect, gaec->item->table_model, gaec->model_col, gaec->row);
+ at_offset = g_utf8_offset_to_pointer (full_text, offset);
+ ret_val = g_utf8_get_char_validated (at_offset, -1);
+ e_cell_text_free_text (ect, full_text);
+
+ return ret_val;
+}
+
+
+static gchar*
+ect_get_text_before_offset (AtkText *text,
+ gint offset,
+ AtkTextBoundary boundary_type,
+ gint *start_offset,
+ gint *end_offset)
+{
+ /* Unimplemented */
+ return NULL;
+}
+
+
+static gint
+ect_get_caret_offset (AtkText *text)
+{
+ GalA11yECell *gaec = GAL_A11Y_E_CELL (text);
+ int start, end;
+ if (e_cell_text_get_selection (gaec->cell_view,
+ gaec->view_col, gaec->row,
+ &start, &end)
+ && start == end) {
+ char *full_text;
+ int ret_val;
+ ECellText *ect = E_CELL_TEXT (gaec->cell_view->ecell);
+
+ full_text = e_cell_text_get_text (ect, gaec->item->table_model, gaec->model_col, gaec->row);
+ ret_val = g_utf8_pointer_to_offset (full_text, full_text + start);
+ e_cell_text_free_text (ect, full_text);
+
+ return ret_val;
+ } else {
+ return -1;
+ }
+}
+
+
+static AtkAttributeSet*
+ect_get_run_attributes (AtkText *text,
+ gint offset,
+ gint *start_offset,
+ gint *end_offset)
+{
+ /* Unimplemented */
+ return NULL;
+}
+
+
+static AtkAttributeSet*
+ect_get_default_attributes (AtkText *text)
+{
+ /* Unimplemented */
+ return NULL;
+}
+
+
+static void
+ect_get_character_extents (AtkText *text,
+ gint offset,
+ gint *x,
+ gint *y,
+ gint *width,
+ gint *height,
+ AtkCoordType coords)
+{
+ /* Unimplemented */
+}
+
+
+static gint
+ect_get_character_count (AtkText *text)
+{
+ GalA11yECell *gaec = GAL_A11Y_E_CELL (text);
+ ECellText *ect = E_CELL_TEXT (gaec->cell_view->ecell);
+ int ret_val;
+
+ char *full_text = e_cell_text_get_text (ect, gaec->item->table_model, gaec->model_col, gaec->row);
+
+ ret_val = g_utf8_strlen (full_text, -1);
+ e_cell_text_free_text (ect, full_text);
+ return ret_val;
+}
+
+
+static gint
+ect_get_offset_at_point (AtkText *text,
+ gint x,
+ gint y,
+ AtkCoordType coords)
+{
+ /* Unimplemented */
+ return 0;
+}
+
+
+static gint
+ect_get_n_selections (AtkText *text)
+{
+ GalA11yECell *gaec = GAL_A11Y_E_CELL (text);
+ int selection_start, selection_end;
+ if (e_cell_text_get_selection (gaec->cell_view,
+ gaec->view_col, gaec->row,
+ &selection_start,
+ &selection_end) &&
+ selection_start != selection_end)
+ return 1;
+ return 0;
+}
+
+
+static gchar*
+ect_get_selection (AtkText *text,
+ gint selection_num,
+ gint *start_offset,
+ gint *end_offset)
+{
+ GalA11yECell *gaec = GAL_A11Y_E_CELL (text);
+ ECellText *ect = E_CELL_TEXT (gaec->cell_view->ecell);
+ int selection_start, selection_end;
+ if (selection_num == 0 &&
+ e_cell_text_get_selection (gaec->cell_view,
+ gaec->view_col, gaec->row,
+ &selection_start,
+ &selection_end) &&
+ selection_start != selection_end) {
+ char *ret_val;
+ char *full_text =
+ e_cell_text_get_text (ect, gaec->item->table_model, gaec->model_col, gaec->row);
+
+ ret_val = g_strndup (full_text + selection_start, selection_end - selection_start);
+
+ if (start_offset)
+ *start_offset = g_utf8_pointer_to_offset (full_text, full_text + selection_start);
+ if (end_offset)
+ *end_offset = g_utf8_pointer_to_offset (full_text, full_text + selection_end);
+
+ e_cell_text_free_text (ect, full_text);
+
+ return ret_val;
+ }
+ return NULL;
+}
+
+
+static gboolean
+ect_add_selection (AtkText *text,
+ gint start_offset,
+ gint end_offset)
+{
+ GalA11yECell *gaec = GAL_A11Y_E_CELL (text);
+ ECellText *ect = E_CELL_TEXT (gaec->cell_view->ecell);
+ int selection_start, selection_end;
+ if (e_cell_text_get_selection (gaec->cell_view,
+ gaec->view_col, gaec->row,
+ &selection_start,
+ &selection_end) &&
+ selection_start == selection_end &&
+ start_offset != end_offset) {
+ char *full_text;
+
+ full_text = e_cell_text_get_text (ect, gaec->item->table_model, gaec->model_col, gaec->row);
+ start_offset = g_utf8_offset_to_pointer (full_text, start_offset) - full_text;
+ end_offset = g_utf8_offset_to_pointer (full_text, end_offset) - full_text;
+ e_cell_text_free_text (ect, full_text);
+
+ return e_cell_text_set_selection (gaec->cell_view,
+ gaec->view_col, gaec->row,
+ start_offset, end_offset);
+ }
+ return FALSE;
+}
+
+
+static gboolean
+ect_remove_selection (AtkText *text,
+ gint selection_num)
+{
+ /* Unimplemented */
+ return FALSE;
+}
+
+
+static gboolean
+ect_set_selection (AtkText *text,
+ gint selection_num,
+ gint start_offset,
+ gint end_offset)
+{
+ /* Unimplemented */
+ return FALSE;
+}
+
+
+static gboolean
+ect_set_caret_offset (AtkText *text,
+ gint offset)
+{
+ GalA11yECell *gaec = GAL_A11Y_E_CELL (text);
+ ECellText *ect = E_CELL_TEXT (gaec->cell_view->ecell);
+ char *full_text;
+
+ full_text = e_cell_text_get_text (ect, gaec->item->table_model, gaec->model_col, gaec->row);
+ offset = g_utf8_offset_to_pointer (full_text, offset) - full_text;
+ e_cell_text_free_text (ect, full_text);
+
+ return e_cell_text_set_selection (gaec->cell_view,
+ gaec->view_col, gaec->row,
+ offset, offset);
+}
+
+static gboolean
+ect_set_run_attributes (AtkEditableText *text,
+ AtkAttributeSet *attrib_set,
+ gint start_offset,
+ gint end_offset)
+{
+ /* Unimplemented */
+ return FALSE;
+}
+
+static void
+ect_set_text_contents (AtkEditableText *text,
+ const gchar *string)
+{
+ GalA11yECell *gaec = GAL_A11Y_E_CELL (text);
+ ECellText *ect = E_CELL_TEXT (gaec->cell_view->ecell);
+
+ e_cell_text_set_value (ect, gaec->item->table_model, gaec->model_col, gaec->row, string);
+}
+
+static void
+ect_insert_text (AtkEditableText *text,
+ const gchar *string,
+ gint length,
+ gint *position)
+{
+ /* Utf8 unimplemented */
+ GalA11yECell *gaec = GAL_A11Y_E_CELL (text);
+ ECellText *ect = E_CELL_TEXT (gaec->cell_view->ecell);
+
+ char *full_text = e_cell_text_get_text (ect, gaec->item->table_model, gaec->model_col, gaec->row);
+ char *result = g_strdup_printf ("%.*s%.*s%s", *position, full_text, length, string, full_text + *position);
+
+ e_cell_text_set_value (ect, gaec->item->table_model, gaec->model_col, gaec->row, result);
+
+ *position += length;
+
+ g_free (result);
+ e_cell_text_free_text (ect, full_text);
+}
+
+static void
+ect_copy_text (AtkEditableText *text,
+ gint start_pos,
+ gint end_pos)
+{
+ /* Unimplemented */
+}
+
+static void
+ect_cut_text (AtkEditableText *text,
+ gint start_pos,
+ gint end_pos)
+{
+ /* Unimplemented */
+}
+
+static void
+ect_delete_text (AtkEditableText *text,
+ gint start_pos,
+ gint end_pos)
+{
+ /* Unimplemented */
+}
+
+static void
+ect_paste_text (AtkEditableText *text,
+ gint position)
+{
+ /* Unimplemented */
+}
+
+
+static void
+ect_atk_text_iface_init (AtkTextIface *iface)
+{
+ iface->get_text = ect_get_text;
+ iface->get_text_after_offset = ect_get_text_after_offset;
+ iface->get_text_at_offset = ect_get_text_at_offset;
+ iface->get_character_at_offset = ect_get_character_at_offset;
+ iface->get_text_before_offset = ect_get_text_before_offset;
+ iface->get_caret_offset = ect_get_caret_offset;
+ iface->get_run_attributes = ect_get_run_attributes;
+ iface->get_default_attributes = ect_get_default_attributes;
+ iface->get_character_extents = ect_get_character_extents;
+ iface->get_character_count = ect_get_character_count;
+ iface->get_offset_at_point = ect_get_offset_at_point;
+ iface->get_n_selections = ect_get_n_selections;
+ iface->get_selection = ect_get_selection;
+ iface->add_selection = ect_add_selection;
+ iface->remove_selection = ect_remove_selection;
+ iface->set_selection = ect_set_selection;
+ iface->set_caret_offset = ect_set_caret_offset;
+}
+
+static void
+ect_atk_editable_text_iface_init (AtkEditableTextIface *iface)
+{
+ iface->set_run_attributes = ect_set_run_attributes;
+ iface->set_text_contents = ect_set_text_contents;
+ iface->insert_text = ect_insert_text;
+ iface->copy_text = ect_copy_text;
+ iface->cut_text = ect_cut_text;
+ iface->delete_text = ect_delete_text;
+ iface->paste_text = ect_paste_text;
+}
+
+static void
+ect_class_init (GalA11yECellTextClass *klass)
+{
+ parent_class = g_type_class_ref (PARENT_TYPE);
+}
+
+static void
+ect_init (GalA11yECellText *a11y)
+{
+}
+
+/**
+ * gal_a11y_e_cell_text_get_type:
+ * @void:
+ *
+ * Registers the &GalA11yECellText class if necessary, and returns the type ID
+ * associated to it.
+ *
+ * Return value: The type ID of the &GalA11yECellText class.
+ **/
+GType
+gal_a11y_e_cell_text_get_type (void)
+{
+ static GType type = 0;
+
+ if (!type) {
+ GTypeInfo info = {
+ sizeof (GalA11yECellTextClass),
+ (GBaseInitFunc) NULL,
+ (GBaseFinalizeFunc) NULL,
+ (GClassInitFunc) ect_class_init,
+ (GClassFinalizeFunc) NULL,
+ NULL, /* class_data */
+ sizeof (GalA11yECellText),
+ 0,
+ (GInstanceInitFunc) ect_init,
+ NULL /* value_cell_text */
+ };
+
+ static const GInterfaceInfo atk_text_info = {
+ (GInterfaceInitFunc) ect_atk_text_iface_init,
+ (GInterfaceFinalizeFunc) NULL,
+ NULL
+ };
+
+ static const GInterfaceInfo atk_editable_text_info = {
+ (GInterfaceInitFunc) ect_atk_editable_text_iface_init,
+ (GInterfaceFinalizeFunc) NULL,
+ NULL
+ };
+
+ type = g_type_register_static (PARENT_TYPE, "GalA11yECellText", &info, 0);
+ g_type_add_interface_static (type, ATK_TYPE_TEXT, &atk_text_info);
+ g_type_add_interface_static (type, ATK_TYPE_EDITABLE_TEXT, &atk_editable_text_info);
+ }
+
+ return type;
+}
+AtkObject *
+gal_a11y_e_cell_text_new (ETableItem *item,
+ ECellView *cell_view,
+ AtkObject *parent,
+ int model_col,
+ int view_col,
+ int row)
+{
+ AtkObject *a11y;
+
+ a11y = g_object_new (gal_a11y_e_cell_text_get_type (), NULL);
+
+ gal_a11y_e_cell_construct (a11y,
+ item,
+ cell_view,
+ parent,
+ model_col,
+ view_col,
+ row);
+ return a11y;
+}
generated by cgit (git 2.34.1) at 2024-11-15 20:23:18 +0800