diff options
Diffstat (limited to 'a11y/e-text/gal-a11y-e-text.c')
| -rw-r--r-- | a11y/e-text/gal-a11y-e-text.c | 648 |
1 files changed, 0 insertions, 648 deletions
diff --git a/a11y/e-text/gal-a11y-e-text.c b/a11y/e-text/gal-a11y-e-text.c deleted file mode 100644 index a37726a5a8..0000000000 --- a/a11y/e-text/gal-a11y-e-text.c +++ /dev/null @@ -1,648 +0,0 @@ -/* -*- 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-text.h" -#include "gal-a11y-util.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> -#include "gal/e-text/e-text.h" -#include <gtk/gtkmain.h> - -#define CS_CLASS(a11y) (G_TYPE_INSTANCE_GET_CLASS ((a11y), C_TYPE_STREAM, GalA11yETextClass)) -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) ((GalA11yETextPrivate *) (((char *) object) + priv_offset)) -#define PARENT_TYPE (parent_type) - -struct _GalA11yETextPrivate { - int dummy; -}; - -static void -et_dispose (GObject *object) -{ - if (parent_class->dispose) - parent_class->dispose (object); -} - -/* Static functions */ - -static void -et_get_extents (AtkComponent *component, - gint *x, - gint *y, - gint *width, - gint *height, - AtkCoordType coord_type) -{ - EText *item = E_TEXT (atk_gobject_accessible_get_object (ATK_GOBJECT_ACCESSIBLE (component))); - double real_width; - double real_height; - int fake_width; - int fake_height; - - 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), - "text_width", &real_width, - "text_height", &real_height, - NULL); - - if (width) - *width = real_width; - if (height) - *height = real_height; -} - -static const gchar * -et_get_full_text (AtkText *text) -{ - EText *etext = E_TEXT (atk_gobject_accessible_get_object (ATK_GOBJECT_ACCESSIBLE (text))); - ETextModel *model; - const char *full_text; - - gtk_object_get (GTK_OBJECT (etext), - "model", &model, - NULL); - - full_text = e_text_model_get_text (model); - - return full_text; -} - -static void -et_set_full_text (AtkEditableText *text, - const char *full_text) -{ - EText *etext = E_TEXT (atk_gobject_accessible_get_object (ATK_GOBJECT_ACCESSIBLE (text))); - ETextModel *model; - - gtk_object_get (GTK_OBJECT (etext), - "model", &model, - NULL); - - e_text_model_set_text (model, full_text); -} - -static gchar * -et_get_text (AtkText *text, - gint start_offset, - gint end_offset) -{ - gint start, end, real_start, real_end, len; - const char *full_text = et_get_full_text (text); - if (full_text == NULL) - return; - len = g_utf8_strlen (full_text, -1); - - start = MIN (MAX (0, start_offset), len); - end = MIN (MAX (-1, end_offset), len); - - if (end_offset == -1) - end = strlen (full_text); - else - end = g_utf8_offset_to_pointer (full_text, end) - full_text; - - start = g_utf8_offset_to_pointer (full_text, start) - full_text; - - real_start = MIN (start, end); - real_end = MAX (start, end); - - return g_strndup (full_text + real_start, real_end - real_start); -} - -static gchar * -et_get_text_after_offset (AtkText *text, - gint offset, - AtkTextBoundary boundary_type, - gint *start_offset, - gint *end_offset) -{ - /* Unimplemented */ - return NULL; -} - -static gchar * -et_get_text_at_offset (AtkText *text, - gint offset, - AtkTextBoundary boundary_type, - gint *start_offset, - gint *end_offset) -{ - /* Unimplemented */ - return NULL; -} - -static gunichar -et_get_character_at_offset (AtkText *text, - gint offset) -{ - const char *full_text = et_get_full_text (text); - char *at_offset; - - at_offset = g_utf8_offset_to_pointer (full_text, offset); - return g_utf8_get_char_validated (at_offset, -1); -} - - -static gchar* -et_get_text_before_offset (AtkText *text, - gint offset, - AtkTextBoundary boundary_type, - gint *start_offset, - gint *end_offset) -{ - /* Unimplemented */ - return NULL; -} - - -static gint -et_get_caret_offset (AtkText *text) -{ - GObject *obj; - EText *etext; - int offset; - - g_return_val_if_fail (ATK_IS_GOBJECT_ACCESSIBLE(text), -1); - obj = atk_gobject_accessible_get_object (ATK_GOBJECT_ACCESSIBLE (text)); - if (obj == NULL) - return -1; - - g_return_val_if_fail (E_IS_TEXT (obj), -1); - etext = E_TEXT (obj); - - gtk_object_get (GTK_OBJECT (etext), - "cursor_pos", &offset, - NULL); - return offset; -} - - -static AtkAttributeSet* -et_get_run_attributes (AtkText *text, - gint offset, - gint *start_offset, - gint *end_offset) -{ - /* Unimplemented */ - return NULL; -} - - -static AtkAttributeSet* -et_get_default_attributes (AtkText *text) -{ - /* Unimplemented */ - return NULL; -} - - -static void -et_get_character_extents (AtkText *text, - gint offset, - gint *x, - gint *y, - gint *width, - gint *height, - AtkCoordType coords) -{ - /* Unimplemented */ -} - - -static gint -et_get_character_count (AtkText *text) -{ - const char *full_text = et_get_full_text (text); - - return g_utf8_strlen (full_text, -1); -} - - -static gint -et_get_offset_at_point (AtkText *text, - gint x, - gint y, - AtkCoordType coords) -{ - /* Unimplemented */ - return 0; -} - - -static gint -et_get_n_selections (AtkText *text) -{ - EText *etext = E_TEXT (atk_gobject_accessible_get_object (ATK_GOBJECT_ACCESSIBLE (text))); - if (etext->selection_start != - etext->selection_end) - return 1; - return 0; -} - - -static gchar* -et_get_selection (AtkText *text, - gint selection_num, - gint *start_offset, - gint *end_offset) -{ - gint start, end, real_start, real_end, len; - EText *etext; - if (selection_num == 0) { - const char *full_text = et_get_full_text (text); - if (full_text == NULL) - return NULL; - len = g_utf8_strlen (full_text, -1); - etext = E_TEXT (atk_gobject_accessible_get_object (ATK_GOBJECT_ACCESSIBLE (text))); - start = MIN (etext->selection_start, etext->selection_end); - end = MAX (etext->selection_start, etext->selection_end); - start = MIN (MAX (0, start), len); - end = MIN (MAX (0, end), len); - if (start != end) { - if (start_offset) - *start_offset = start; - if (end_offset) - *end_offset = end; - real_start = g_utf8_offset_to_pointer (full_text, start) - full_text; - real_end = g_utf8_offset_to_pointer (full_text, end) - full_text; - return g_strndup (full_text + real_start, real_end - real_start); - } - } - - return NULL; -} - - -static gboolean -et_add_selection (AtkText *text, - gint start_offset, - gint end_offset) -{ - GObject *obj; - EText *etext; - - g_return_val_if_fail (ATK_IS_GOBJECT_ACCESSIBLE (text), FALSE); - obj = atk_gobject_accessible_get_object (ATK_GOBJECT_ACCESSIBLE (text)); - if (obj == NULL) - return FALSE; - g_return_val_if_fail (E_IS_TEXT (obj), FALSE); - etext = E_TEXT (obj); - - g_return_val_if_fail (start_offset >= 0, FALSE); - g_return_val_if_fail (start_offset >= -1, FALSE); - if (end_offset == -1) - end_offset = et_get_character_count (text); - - if (start_offset != end_offset) { - gint real_start, real_end; - real_start = MIN (start_offset, end_offset); - real_end = MAX (start_offset, end_offset); - etext->selection_start = real_start; - etext->selection_end = real_end; - - gnome_canvas_item_grab_focus (GNOME_CANVAS_ITEM (etext)); - gnome_canvas_item_request_update (GNOME_CANVAS_ITEM (etext)); - - g_signal_emit_by_name (ATK_OBJECT (text), "text_selection_changed"); - - return TRUE; - } - - return FALSE; -} - - -static gboolean -et_remove_selection (AtkText *text, - gint selection_num) -{ - GObject *obj; - EText *etext; - - g_return_val_if_fail (ATK_IS_GOBJECT_ACCESSIBLE (text), FALSE); - obj = atk_gobject_accessible_get_object (ATK_GOBJECT_ACCESSIBLE (text)); - if (obj == NULL) - return FALSE; - g_return_val_if_fail (E_IS_TEXT (obj), FALSE); - etext = E_TEXT (obj); - - if( selection_num == 0 - && etext->selection_start != etext->selection_end ) { - etext->selection_end = etext->selection_start; - g_signal_emit_by_name (ATK_OBJECT(text), "text_selection_changed"); - return TRUE; - } - - return FALSE; -} - - -static gboolean -et_set_selection (AtkText *text, - gint selection_num, - gint start_offset, - gint end_offset) -{ - GObject *obj; - EText *etext; - int offset; - - g_return_val_if_fail (ATK_IS_GOBJECT_ACCESSIBLE (text), FALSE); - obj = atk_gobject_accessible_get_object (ATK_GOBJECT_ACCESSIBLE (text)); - if (obj == NULL) - return FALSE; - g_return_val_if_fail (E_IS_TEXT (obj), FALSE); - etext = E_TEXT (obj); - if (selection_num == 0) - return et_add_selection (text, start_offset, end_offset); - return FALSE; -} - - -static gboolean -et_set_caret_offset (AtkText *text, - gint offset) -{ - GObject *obj; - EText *etext; - - g_return_val_if_fail (ATK_IS_GOBJECT_ACCESSIBLE (text), FALSE); - obj = atk_gobject_accessible_get_object (ATK_GOBJECT_ACCESSIBLE (text)); - if (obj == NULL) - return FALSE; - - g_return_val_if_fail (E_IS_TEXT (obj), FALSE); - etext = E_TEXT (obj); - - if (offset < -1) - return FALSE; - else if (offset == -1) - gtk_object_set (GTK_OBJECT (etext), - "cursor_pos", et_get_character_count (text), - NULL); - else - gtk_object_set (GTK_OBJECT (etext), - "cursor_pos", offset, - NULL); - return TRUE; -} - -static gboolean -et_set_run_attributes (AtkEditableText *text, - AtkAttributeSet *attrib_set, - gint start_offset, - gint end_offset) -{ - /* Unimplemented */ - return FALSE; -} - -static void -et_set_text_contents (AtkEditableText *text, - const gchar *string) -{ - et_set_full_text (text, string); -} - -static void -et_insert_text (AtkEditableText *text, - const gchar *string, - gint length, - gint *position) -{ - /* Utf8 unimplemented */ - char *result; - - const char *full_text = et_get_full_text (ATK_TEXT (text)); - if (full_text == NULL) - return; - - result = g_strdup_printf ("%.*s%.*s%s", *position, full_text, length, string, full_text + *position); - - et_set_full_text (text, result); - - *position += length; - - g_free (result); -} - -static void -et_copy_text (AtkEditableText *text, - gint start_pos, - gint end_pos) -{ - GObject *obj; - EText *etext; - - g_return_if_fail (ATK_IS_GOBJECT_ACCESSIBLE (text)); - obj = atk_gobject_accessible_get_object (ATK_GOBJECT_ACCESSIBLE (text)); - if (obj == NULL) - return; - - g_return_if_fail (E_IS_TEXT (obj)); - etext = E_TEXT (obj); - - if (start_pos != end_pos) { - etext->selection_start = start_pos; - etext->selection_end = end_pos; - e_text_copy_clipboard (etext); - } -} - -static void -et_delete_text (AtkEditableText *text, - gint start_pos, - gint end_pos) -{ - GObject *obj; - EText *etext; - - g_return_if_fail (ATK_IS_GOBJECT_ACCESSIBLE(text)); - obj = atk_gobject_accessible_get_object (ATK_GOBJECT_ACCESSIBLE (text)); - if (obj == NULL) - return; - - g_return_if_fail (E_IS_TEXT (obj)); - etext = E_TEXT (obj); - - etext->selection_start = start_pos; - etext->selection_end = end_pos; - - e_text_delete_selection (etext); -} - -static void -et_cut_text (AtkEditableText *text, - gint start_pos, - gint end_pos) -{ - et_copy_text (text, start_pos, end_pos); - et_delete_text (text, start_pos, end_pos); -} - -static void -et_paste_text (AtkEditableText *text, - gint position) -{ - GObject *obj; - EText *etext; - - g_return_if_fail (ATK_IS_GOBJECT_ACCESSIBLE (text)); - obj = atk_gobject_accessible_get_object (ATK_GOBJECT_ACCESSIBLE (text)); - if (obj == NULL) - return; - - g_return_if_fail (E_IS_TEXT (obj)); - etext = E_TEXT (obj); - - gtk_object_set (GTK_OBJECT (etext), - "cursor_pos", position, - NULL); - e_text_paste_clipboard (etext); -} - -static void -et_atk_component_iface_init (AtkComponentIface *iface) -{ - iface->get_extents = et_get_extents; -} - -static void -et_atk_text_iface_init (AtkTextIface *iface) -{ - iface->get_text = et_get_text; - iface->get_text_after_offset = et_get_text_after_offset; - iface->get_text_at_offset = et_get_text_at_offset; - iface->get_character_at_offset = et_get_character_at_offset; - iface->get_text_before_offset = et_get_text_before_offset; - iface->get_caret_offset = et_get_caret_offset; - iface->get_run_attributes = et_get_run_attributes; - iface->get_default_attributes = et_get_default_attributes; - iface->get_character_extents = et_get_character_extents; - iface->get_character_count = et_get_character_count; - iface->get_offset_at_point = et_get_offset_at_point; - iface->get_n_selections = et_get_n_selections; - iface->get_selection = et_get_selection; - iface->add_selection = et_add_selection; - iface->remove_selection = et_remove_selection; - iface->set_selection = et_set_selection; - iface->set_caret_offset = et_set_caret_offset; -} - -static void -et_atk_editable_text_iface_init (AtkEditableTextIface *iface) -{ - iface->set_run_attributes = et_set_run_attributes; - iface->set_text_contents = et_set_text_contents; - iface->insert_text = et_insert_text; - iface->copy_text = et_copy_text; - iface->cut_text = et_cut_text; - iface->delete_text = et_delete_text; - iface->paste_text = et_paste_text; -} - -static void -et_class_init (GalA11yETextClass *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); - - component_parent_iface = g_type_interface_peek(parent_class, ATK_TYPE_COMPONENT); - - object_class->dispose = et_dispose; -} - -static void -et_init (GalA11yEText *a11y) -{ -#if 0 - GalA11yETextPrivate *priv; - - priv = GET_PRIVATE (a11y); -#endif -} - -/** - * gal_a11y_e_text_get_type: - * @void: - * - * Registers the &GalA11yEText class if necessary, and returns the type ID - * associated to it. - * - * Return value: The type ID of the &GalA11yEText class. - **/ -GType -gal_a11y_e_text_get_type (void) -{ - static GType type = 0; - - if (!type) { - AtkObjectFactory *factory; - - GTypeInfo info = { - sizeof (GalA11yETextClass), - (GBaseInitFunc) NULL, - (GBaseFinalizeFunc) NULL, - (GClassInitFunc) et_class_init, - (GClassFinalizeFunc) NULL, - NULL, /* class_data */ - sizeof (GalA11yEText), - 0, - (GInstanceInitFunc) et_init, - NULL /* value_text */ - }; - - static const GInterfaceInfo atk_component_info = { - (GInterfaceInitFunc) et_atk_component_iface_init, - (GInterfaceFinalizeFunc) NULL, - NULL - }; - static const GInterfaceInfo atk_text_info = { - (GInterfaceInitFunc) et_atk_text_iface_init, - (GInterfaceFinalizeFunc) NULL, - NULL - }; - static const GInterfaceInfo atk_editable_text_info = { - (GInterfaceInitFunc) et_atk_editable_text_iface_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, "GalA11yEText", &info, 0, - sizeof (GalA11yETextPrivate), &priv_offset); - - g_type_add_interface_static (type, ATK_TYPE_COMPONENT, &atk_component_info); - 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; -} |