diff options
Diffstat (limited to 'widgets/table/gal-a11y-e-cell-text.c')
| -rw-r--r-- | widgets/table/gal-a11y-e-cell-text.c | 726 |
1 files changed, 0 insertions, 726 deletions
diff --git a/widgets/table/gal-a11y-e-cell-text.c b/widgets/table/gal-a11y-e-cell-text.c deleted file mode 100644 index cc3d6f3b7d..0000000000 --- a/widgets/table/gal-a11y-e-cell-text.c +++ /dev/null @@ -1,726 +0,0 @@ -/* - * This program 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) version 3. - * - * This program 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 the program; if not, see <http://www.gnu.org/licenses/> - * - * - * Authors: - * Christopher James Lahey <clahey@ximian.com> - * - * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com) - * - */ - -#include <config.h> - -#include <string.h> - -#include <atk/atk.h> - -#include "a11y/gal-a11y-util.h" -#include "table/e-cell-text.h" -#include <glib/gi18n.h> - -#include "gal-a11y-e-cell-text.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 void -ect_dispose (GObject *object) -{ - GObjectClass *g_class; - GalA11yECell *gaec = GAL_A11Y_E_CELL (object); - GalA11yECellText *gaet = GAL_A11Y_E_CELL_TEXT (object); - - if (gaet->inserted_id != 0) { - ECellText *ect = E_CELL_TEXT (gaec->cell_view->ecell); - - if (ect) { - g_signal_handler_disconnect (ect, gaet->inserted_id); - g_signal_handler_disconnect (ect, gaet->deleted_id); - } - - gaet->inserted_id = 0; - gaet->deleted_id = 0; - } - - g_class = (GObjectClass *)parent_class; - if (g_class->dispose) - g_class->dispose (object); - -} - -static gboolean -ect_check (gpointer a11y) -{ - GalA11yECell *gaec = GAL_A11Y_E_CELL (a11y); - ETableItem *item = gaec->item; - - g_return_val_if_fail ((gaec->item != NULL), FALSE); - g_return_val_if_fail ((gaec->cell_view != NULL), FALSE); - g_return_val_if_fail ((gaec->cell_view->ecell != NULL), FALSE); - - if (atk_state_set_contains_state (gaec->state_set, ATK_STATE_DEFUNCT)) - return FALSE; - - if (gaec->row < 0 || gaec->row >= item->rows - || gaec->view_col <0 || gaec->view_col >= item->cols - || gaec->model_col <0 || gaec->model_col >= e_table_model_column_count (item->table_model)) - return FALSE; - - if (!E_IS_CELL_TEXT (gaec->cell_view->ecell)) - return FALSE; - - return TRUE; -} - -static G_CONST_RETURN gchar * -ect_get_name (AtkObject * a11y) -{ - GalA11yECell *gaec; - gchar *name; - - if (!ect_check (a11y)) - return NULL; - - gaec = GAL_A11Y_E_CELL (a11y); - name = e_cell_text_get_text_by_view (gaec->cell_view, gaec->model_col, gaec->row); - if (name != NULL) { - ATK_OBJECT_CLASS (parent_class)->set_name (a11y, name); - g_free (name); - } - - if (a11y->name != NULL && strcmp (a11y->name, "")) { - return a11y->name; - } else { - return parent_class->get_name (a11y); - } -} - -static gchar * -ect_get_text (AtkText *text, - gint start_offset, - gint end_offset) -{ - GalA11yECell *gaec = GAL_A11Y_E_CELL (text); - gchar *full_text; - gchar *ret_val; - - if (!ect_check (text)) - return NULL; - - full_text = e_cell_text_get_text_by_view (gaec->cell_view, 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); - - g_free (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); - gunichar ret_val; - gchar *at_offset; - gchar *full_text; - - if (!ect_check (text)) - return -1; - - full_text = e_cell_text_get_text_by_view (gaec->cell_view, 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); - g_free (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); - gint start, end; - - if (!ect_check (text)) - return -1; - - if (e_cell_text_get_selection (gaec->cell_view, - gaec->view_col, gaec->row, - &start, &end)) { - gchar *full_text = e_cell_text_get_text_by_view (gaec->cell_view, gaec->model_col, gaec->row); - end = g_utf8_pointer_to_offset (full_text, full_text + end); - g_free (full_text); - - return end; - } - 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); - gint ret_val; - gchar *full_text; - - if (!ect_check (text)) - return -1; - - full_text = e_cell_text_get_text_by_view (gaec->cell_view, gaec->model_col, gaec->row); - - ret_val = g_utf8_strlen (full_text, -1); - g_free (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); - gint selection_start, selection_end; - - if (!ect_check (text)) - return 0; - - 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); - gchar *ret_val; - gint 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) { - gint real_start, real_end, len; - gchar *full_text = e_cell_text_get_text_by_view (gaec->cell_view, gaec->model_col, gaec->row); - len = strlen (full_text); - real_start = MIN (selection_start, selection_end); - real_end = MAX (selection_start, selection_end); - real_start = MIN (MAX (0, real_start), len); - real_end = MIN (MAX (0, real_end), len); - - ret_val = g_strndup (full_text + real_start, real_end - real_start); - - real_start = g_utf8_pointer_to_offset (full_text, full_text + real_start); - real_end = g_utf8_pointer_to_offset (full_text, full_text + real_end); - - if (start_offset) - *start_offset = real_start; - if (end_offset) - *end_offset = real_end; - g_free (full_text); - } else { - if (start_offset) - *start_offset = 0; - if (end_offset) - *end_offset = 0; - ret_val = NULL; - } - - return ret_val; -} - -static gboolean -ect_add_selection (AtkText *text, - gint start_offset, - gint end_offset) -{ - GalA11yECell *gaec = GAL_A11Y_E_CELL (text); - - if (start_offset != end_offset) { - gint real_start, real_end, len; - gchar *full_text = - e_cell_text_get_text_by_view (gaec->cell_view, gaec->model_col, gaec->row); - - len = g_utf8_strlen (full_text, -1); - if (end_offset == -1) - end_offset = len; - - real_start = MIN (start_offset, end_offset); - real_end = MAX (start_offset, end_offset); - - real_start = MIN (MAX (0, real_start), len); - real_end = MIN (MAX (0, real_end), len); - - real_start = g_utf8_offset_to_pointer (full_text, real_start) - full_text; - real_end = g_utf8_offset_to_pointer (full_text, real_end) - full_text; - g_free (full_text); - - if (e_cell_text_set_selection (gaec->cell_view, - gaec->view_col, gaec->row, - real_start, real_end)) { - g_signal_emit_by_name (ATK_OBJECT(text), "text_selection_changed"); - return TRUE; - } - } - - return FALSE; -} - -static gboolean -ect_remove_selection (AtkText *text, - gint selection_num) -{ - GalA11yECell *gaec = GAL_A11Y_E_CELL (text); - gint 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 - && e_cell_text_set_selection (gaec->cell_view, - gaec->view_col, gaec->row, - selection_end, selection_end)) { - g_signal_emit_by_name (ATK_OBJECT(text), "text_selection_changed"); - return TRUE; - } - else - return FALSE; -} - -static gboolean -ect_set_selection (AtkText *text, - gint selection_num, - gint start_offset, - gint end_offset) -{ - if (selection_num == 0) { - atk_text_add_selection (text, start_offset, end_offset); - return TRUE; - } - else - return FALSE; -} - -static gboolean -ect_set_caret_offset (AtkText *text, - gint offset) -{ - GalA11yECell *gaec = GAL_A11Y_E_CELL (text); - gchar *full_text; - gint len; - - full_text = e_cell_text_get_text_by_view (gaec->cell_view, gaec->model_col, gaec->row); - - len = g_utf8_strlen (full_text, -1); - if (offset == -1) - offset = len; - else - offset = MIN (MAX (0, offset), len); - - offset = g_utf8_offset_to_pointer (full_text, offset) - full_text; - - g_free (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); - e_table_item_enter_edit (gaec->item, gaec->view_col, gaec->row); -} - -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); - - gchar *full_text = e_cell_text_get_text_by_view (gaec->cell_view, gaec->model_col, gaec->row); - gchar *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); - g_free (full_text); -} - -static void -ect_copy_text (AtkEditableText *text, - gint start_pos, - gint end_pos) -{ - GalA11yECell *gaec = GAL_A11Y_E_CELL (text); - if (start_pos != end_pos - && atk_text_set_selection (ATK_TEXT (text), 0, start_pos, end_pos)) - e_cell_text_copy_clipboard (gaec->cell_view, - gaec->view_col, gaec->row); -} - -static void -ect_delete_text (AtkEditableText *text, - gint start_pos, - gint end_pos) -{ - GalA11yECell *gaec = GAL_A11Y_E_CELL (text); - if (start_pos != end_pos - && atk_text_set_selection (ATK_TEXT (text), 0, start_pos, end_pos)) - e_cell_text_delete_selection (gaec->cell_view, - gaec->view_col, gaec->row); -} - -static void -ect_cut_text (AtkEditableText *text, - gint start_pos, - gint end_pos) -{ - ect_copy_text (text, start_pos, end_pos); - ect_delete_text (text, start_pos, end_pos); -} - -static void -ect_paste_text (AtkEditableText *text, - gint position) -{ - GalA11yECell *gaec = GAL_A11Y_E_CELL (text); - - e_table_item_enter_edit (gaec->item, gaec->view_col, gaec->row); - - if (atk_text_set_caret_offset (ATK_TEXT (text), position)) - e_cell_text_paste_clipboard (gaec->cell_view, - gaec->view_col, gaec->row); -} - -static void -ect_do_action_edit (AtkAction *action) -{ - GalA11yECell *a11y = GAL_A11Y_E_CELL (action); - ETableModel *e_table_model = a11y->item->table_model; - - if (e_table_model_is_cell_editable (e_table_model, a11y->model_col, a11y->row)) { - e_table_item_enter_edit (a11y->item, a11y->view_col, a11y->row); - } -} - -/* text signal handlers */ -static void -ect_text_inserted_cb (ECellText *text, ECellView *cell_view, gint pos, gint len, gint row, gint model_col, gpointer data) -{ - GalA11yECellText *gaet; - GalA11yECell *gaec; - - if (!ect_check (data)) - return; - gaet = GAL_A11Y_E_CELL_TEXT (data); - gaec = GAL_A11Y_E_CELL (data); - - if (cell_view == gaec->cell_view && row == gaec->row && model_col == gaec->model_col) { - g_signal_emit_by_name (gaet, "text_changed::insert", pos, len); - - } -} - -static void -ect_text_deleted_cb (ECellText *text, ECellView *cell_view, gint pos, gint len, gint row, gint model_col, gpointer data) -{ - GalA11yECellText *gaet; - GalA11yECell *gaec; - if (!ect_check (data)) - return; - gaet = GAL_A11Y_E_CELL_TEXT (data); - gaec = GAL_A11Y_E_CELL (data); - if (cell_view == gaec->cell_view && row == gaec->row && model_col == gaec->model_col) { - g_signal_emit_by_name (gaet, "text_changed::delete", pos, len); - } -} - -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) -{ - AtkObjectClass *a11y = ATK_OBJECT_CLASS (klass); - GObjectClass *object_class = G_OBJECT_CLASS (klass); - - parent_class = g_type_class_ref (PARENT_TYPE); - a11y->get_name = ect_get_name; - object_class->dispose = ect_dispose; -} - -static void -ect_action_init (GalA11yECellText *a11y) -{ - GalA11yECell *gaec = GAL_A11Y_E_CELL (a11y); - ECellText *ect = E_CELL_TEXT (gaec->cell_view->ecell); - if (ect->editable && e_table_model_is_cell_editable (gaec->cell_view->e_table_model, gaec->model_col, gaec->row)) - gal_a11y_e_cell_add_action (gaec, - "edit", - /* Translators: description of an "edit" action */ - _("begin editing this cell"), - NULL, - (ACTION_FUNC) ect_do_action_edit); -} - -/** - * 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) NULL, - 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); - gal_a11y_e_cell_type_add_action_interface (type); - } - - return type; -} - -static void -cell_text_destroyed (gpointer data) -{ - g_return_if_fail (GAL_A11Y_IS_E_CELL_TEXT (data)); - - g_object_unref (data); -} - -AtkObject * -gal_a11y_e_cell_text_new (ETableItem *item, - ECellView *cell_view, - AtkObject *parent, - gint model_col, - gint view_col, - gint row) -{ - AtkObject *a11y; - GalA11yECell *gaec; - GalA11yECellText *gaet; - ECellText *ect; - - 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); - gaet = GAL_A11Y_E_CELL_TEXT (a11y); - - /* will be unrefed in cell_text_destroyed */ - g_object_ref (a11y); - - gaet->inserted_id = g_signal_connect (E_CELL_TEXT (((ECellView *)cell_view)->ecell), - "text_inserted", G_CALLBACK (ect_text_inserted_cb), a11y); - gaet->deleted_id = g_signal_connect (E_CELL_TEXT (((ECellView *)cell_view)->ecell), - "text_deleted", G_CALLBACK (ect_text_deleted_cb), a11y); - - g_object_weak_ref (G_OBJECT (((ECellView *)cell_view)->ecell), - (GWeakNotify) cell_text_destroyed, - a11y); - - ect_action_init (gaet); - - ect = E_CELL_TEXT (cell_view->ecell); - gaec = GAL_A11Y_E_CELL (a11y); - if (ect->editable && e_table_model_is_cell_editable (gaec->cell_view->e_table_model, gaec->model_col, gaec->row)) - gal_a11y_e_cell_add_state (gaec, ATK_STATE_EDITABLE, FALSE); - else - gal_a11y_e_cell_remove_state (gaec, ATK_STATE_EDITABLE, FALSE); - - return a11y; -} |