forked from AuroraMiddleware/gtk
1010 lines
29 KiB
C
1010 lines
29 KiB
C
/* GAIL - The GNOME Accessibility Implementation Library
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* Copyright 2001, 2002, 2003 Sun Microsystems Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include <gtk/gtk.h>
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#include "gtkpango.h"
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#include "gtkentryaccessible.h"
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#include "gtkcomboboxaccessible.h"
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/* Callbacks */
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static void insert_text_cb (GtkEditable *editable,
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gchar *new_text,
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gint new_text_length,
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gint *position);
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static void delete_text_cb (GtkEditable *editable,
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gint start,
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gint end);
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static gboolean check_for_selection_change (GtkEntryAccessible *entry,
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GtkEntry *gtk_entry);
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static void atk_editable_text_interface_init (AtkEditableTextIface *iface);
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static void atk_text_interface_init (AtkTextIface *iface);
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static void atk_action_interface_init (AtkActionIface *iface);
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G_DEFINE_TYPE_WITH_CODE (GtkEntryAccessible, _gtk_entry_accessible, GTK_TYPE_WIDGET_ACCESSIBLE,
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G_IMPLEMENT_INTERFACE (ATK_TYPE_EDITABLE_TEXT, atk_editable_text_interface_init)
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G_IMPLEMENT_INTERFACE (ATK_TYPE_TEXT, atk_text_interface_init)
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G_IMPLEMENT_INTERFACE (ATK_TYPE_ACTION, atk_action_interface_init))
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static AtkStateSet *
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gtk_entry_accessible_ref_state_set (AtkObject *accessible)
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{
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AtkStateSet *state_set;
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gboolean value;
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GtkWidget *widget;
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widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (accessible));
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if (widget == NULL)
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return NULL;
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state_set = ATK_OBJECT_CLASS (_gtk_entry_accessible_parent_class)->ref_state_set (accessible);
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g_object_get (G_OBJECT (widget), "editable", &value, NULL);
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if (value)
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atk_state_set_add_state (state_set, ATK_STATE_EDITABLE);
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atk_state_set_add_state (state_set, ATK_STATE_SINGLE_LINE);
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return state_set;
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}
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static AtkAttributeSet *
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gtk_entry_accessible_get_attributes (AtkObject *accessible)
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{
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GtkWidget *widget;
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AtkAttributeSet *attributes;
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AtkAttribute *placeholder_text;
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const gchar *text;
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attributes = ATK_OBJECT_CLASS (_gtk_entry_accessible_parent_class)->get_attributes (accessible);
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widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (accessible));
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if (widget == NULL)
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return attributes;
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text = gtk_entry_get_placeholder_text (GTK_ENTRY (widget));
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if (text == NULL)
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return attributes;
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placeholder_text = g_malloc (sizeof (AtkAttribute));
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placeholder_text->name = g_strdup ("placeholder-text");
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placeholder_text->value = g_strdup (text);
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attributes = g_slist_append (attributes, placeholder_text);
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return attributes;
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}
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static void
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gtk_entry_accessible_initialize (AtkObject *obj,
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gpointer data)
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{
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GtkEntry *entry;
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GtkEntryAccessible *gtk_entry_accessible;
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gint start_pos, end_pos;
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ATK_OBJECT_CLASS (_gtk_entry_accessible_parent_class)->initialize (obj, data);
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gtk_entry_accessible = GTK_ENTRY_ACCESSIBLE (obj);
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entry = GTK_ENTRY (data);
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gtk_editable_get_selection_bounds (GTK_EDITABLE (entry),
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&start_pos, &end_pos);
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gtk_entry_accessible->cursor_position = end_pos;
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gtk_entry_accessible->selection_bound = start_pos;
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/* Set up signal callbacks */
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g_signal_connect (entry, "insert-text", G_CALLBACK (insert_text_cb), NULL);
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g_signal_connect (entry, "delete-text", G_CALLBACK (delete_text_cb), NULL);
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if (gtk_entry_get_visibility (entry))
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obj->role = ATK_ROLE_TEXT;
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else
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obj->role = ATK_ROLE_PASSWORD_TEXT;
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}
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static void
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gtk_entry_accessible_notify_gtk (GObject *obj,
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GParamSpec *pspec)
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{
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GtkWidget *widget;
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AtkObject* atk_obj;
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GtkEntry* gtk_entry;
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GtkEntryAccessible* entry;
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widget = GTK_WIDGET (obj);
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atk_obj = gtk_widget_get_accessible (widget);
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gtk_entry = GTK_ENTRY (widget);
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entry = GTK_ENTRY_ACCESSIBLE (atk_obj);
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if (g_strcmp0 (pspec->name, "cursor-position") == 0)
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{
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if (check_for_selection_change (entry, gtk_entry))
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g_signal_emit_by_name (atk_obj, "text-selection-changed");
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/*
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* The entry cursor position has moved so generate the signal.
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*/
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g_signal_emit_by_name (atk_obj, "text-caret-moved",
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entry->cursor_position);
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}
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else if (g_strcmp0 (pspec->name, "selection-bound") == 0)
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{
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if (check_for_selection_change (entry, gtk_entry))
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g_signal_emit_by_name (atk_obj, "text-selection-changed");
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}
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else if (g_strcmp0 (pspec->name, "editable") == 0)
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{
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gboolean value;
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g_object_get (obj, "editable", &value, NULL);
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atk_object_notify_state_change (atk_obj, ATK_STATE_EDITABLE, value);
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}
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else if (g_strcmp0 (pspec->name, "visibility") == 0)
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{
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gboolean visibility;
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AtkRole new_role;
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visibility = gtk_entry_get_visibility (gtk_entry);
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new_role = visibility ? ATK_ROLE_TEXT : ATK_ROLE_PASSWORD_TEXT;
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atk_object_set_role (atk_obj, new_role);
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}
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else
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GTK_WIDGET_ACCESSIBLE_CLASS (_gtk_entry_accessible_parent_class)->notify_gtk (obj, pspec);
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}
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static gint
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gtk_entry_accessible_get_index_in_parent (AtkObject *accessible)
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{
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/*
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* If the parent widget is a combo box then the index is 1
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* otherwise do the normal thing.
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*/
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if (accessible->accessible_parent)
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if (GTK_IS_COMBO_BOX_ACCESSIBLE (accessible->accessible_parent))
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return 1;
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return ATK_OBJECT_CLASS (_gtk_entry_accessible_parent_class)->get_index_in_parent (accessible);
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}
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static void
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_gtk_entry_accessible_class_init (GtkEntryAccessibleClass *klass)
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{
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AtkObjectClass *class = ATK_OBJECT_CLASS (klass);
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GtkWidgetAccessibleClass *widget_class = (GtkWidgetAccessibleClass*)klass;
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class->ref_state_set = gtk_entry_accessible_ref_state_set;
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class->get_index_in_parent = gtk_entry_accessible_get_index_in_parent;
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class->initialize = gtk_entry_accessible_initialize;
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class->get_attributes = gtk_entry_accessible_get_attributes;
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widget_class->notify_gtk = gtk_entry_accessible_notify_gtk;
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}
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static void
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_gtk_entry_accessible_init (GtkEntryAccessible *entry)
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{
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entry->cursor_position = 0;
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entry->selection_bound = 0;
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}
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static gchar *
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gtk_entry_accessible_get_text (AtkText *atk_text,
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gint start_pos,
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gint end_pos)
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{
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GtkWidget *widget;
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const gchar *text;
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widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (atk_text));
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if (widget == NULL)
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return NULL;
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/* FIXME: is this acceptable ? */
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if (!gtk_entry_get_visibility (GTK_ENTRY (widget)))
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return g_strdup ("");
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text = gtk_entry_get_text (GTK_ENTRY (widget));
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if (text)
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return g_utf8_substring (text, start_pos, end_pos > -1 ? end_pos : g_utf8_strlen (text, -1));
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return NULL;
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}
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static gchar *
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gtk_entry_accessible_get_text_before_offset (AtkText *text,
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gint offset,
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AtkTextBoundary boundary_type,
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gint *start_offset,
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gint *end_offset)
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{
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GtkWidget *widget;
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widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
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if (widget == NULL)
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return NULL;
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/* FIXME: is this acceptable ? */
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if (!gtk_entry_get_visibility (GTK_ENTRY (widget)))
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return g_strdup ("");
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return _gtk_pango_get_text_before (gtk_entry_get_layout (GTK_ENTRY (widget)),
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boundary_type, offset,
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start_offset, end_offset);
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}
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static gchar *
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gtk_entry_accessible_get_text_at_offset (AtkText *text,
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gint offset,
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AtkTextBoundary boundary_type,
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gint *start_offset,
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gint *end_offset)
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{
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GtkWidget *widget;
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widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
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if (widget == NULL)
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return NULL;
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/* FIXME: is this acceptable ? */
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if (!gtk_entry_get_visibility (GTK_ENTRY (widget)))
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return g_strdup ("");
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return _gtk_pango_get_text_at (gtk_entry_get_layout (GTK_ENTRY (widget)),
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boundary_type, offset,
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start_offset, end_offset);
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}
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static gchar *
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gtk_entry_accessible_get_text_after_offset (AtkText *text,
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gint offset,
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AtkTextBoundary boundary_type,
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gint *start_offset,
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gint *end_offset)
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{
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GtkWidget *widget;
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widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
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if (widget == NULL)
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return NULL;
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/* FIXME: is this acceptable ? */
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if (!gtk_entry_get_visibility (GTK_ENTRY (widget)))
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return g_strdup ("");
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return _gtk_pango_get_text_after (gtk_entry_get_layout (GTK_ENTRY (widget)),
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boundary_type, offset,
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start_offset, end_offset);
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}
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static gint
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gtk_entry_accessible_get_character_count (AtkText *atk_text)
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{
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GtkWidget *widget;
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const gchar *text;
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widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (atk_text));
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if (widget == NULL)
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return 0;
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text = gtk_entry_get_text (GTK_ENTRY (widget));
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if (text)
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return g_utf8_strlen (text, -1);
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return 0;
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}
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static gint
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gtk_entry_accessible_get_caret_offset (AtkText *text)
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{
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GtkWidget *widget;
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widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
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if (widget == NULL)
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return 0;
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return gtk_editable_get_position (GTK_EDITABLE (widget));
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}
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static gboolean
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gtk_entry_accessible_set_caret_offset (AtkText *text,
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gint offset)
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{
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GtkWidget *widget;
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widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
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if (widget == NULL)
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return FALSE;
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gtk_editable_set_position (GTK_EDITABLE (widget), offset);
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return TRUE;
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}
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static AtkAttributeSet *
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add_text_attribute (AtkAttributeSet *attributes,
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AtkTextAttribute attr,
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gint i)
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{
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AtkAttribute *at;
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at = g_new (AtkAttribute, 1);
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at->name = g_strdup (atk_text_attribute_get_name (attr));
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at->value = g_strdup (atk_text_attribute_get_value (attr, i));
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return g_slist_prepend (attributes, at);
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}
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static AtkAttributeSet *
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gtk_entry_accessible_get_run_attributes (AtkText *text,
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gint offset,
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gint *start_offset,
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gint *end_offset)
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{
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GtkWidget *widget;
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AtkAttributeSet *attributes;
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widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
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if (widget == NULL)
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return NULL;
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attributes = NULL;
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attributes = add_text_attribute (attributes, ATK_TEXT_ATTR_DIRECTION,
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gtk_widget_get_direction (widget));
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attributes = _gtk_pango_get_run_attributes (attributes,
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gtk_entry_get_layout (GTK_ENTRY (widget)),
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offset,
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start_offset,
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end_offset);
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return attributes;
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}
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static AtkAttributeSet *
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gtk_entry_accessible_get_default_attributes (AtkText *text)
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{
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GtkWidget *widget;
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AtkAttributeSet *attributes;
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widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
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if (widget == NULL)
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return NULL;
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attributes = NULL;
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attributes = add_text_attribute (attributes, ATK_TEXT_ATTR_DIRECTION,
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gtk_widget_get_direction (widget));
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attributes = _gtk_pango_get_default_attributes (attributes,
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gtk_entry_get_layout (GTK_ENTRY (widget)));
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attributes = _gtk_style_context_get_attributes (attributes,
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gtk_widget_get_style_context (widget),
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gtk_widget_get_state_flags (widget));
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return attributes;
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}
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static void
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gtk_entry_accessible_get_character_extents (AtkText *text,
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gint offset,
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gint *x,
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gint *y,
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gint *width,
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gint *height,
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AtkCoordType coords)
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{
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GtkWidget *widget;
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GtkEntry *entry;
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PangoRectangle char_rect;
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const gchar *entry_text;
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gint index, x_layout, y_layout;
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GdkWindow *window;
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gint x_window, y_window;
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widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
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if (widget == NULL)
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return;
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entry = GTK_ENTRY (widget);
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gtk_entry_get_layout_offsets (entry, &x_layout, &y_layout);
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entry_text = gtk_entry_get_text (entry);
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index = g_utf8_offset_to_pointer (entry_text, offset) - entry_text;
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pango_layout_index_to_pos (gtk_entry_get_layout (entry), index, &char_rect);
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pango_extents_to_pixels (&char_rect, NULL);
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window = gtk_widget_get_window (widget);
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gdk_window_get_origin (window, &x_window, &y_window);
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*x = x_window + x_layout + char_rect.x;
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*y = y_window + y_layout + char_rect.y;
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*width = char_rect.width;
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*height = char_rect.height;
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if (coords == ATK_XY_WINDOW)
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{
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window = gdk_window_get_toplevel (window);
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gdk_window_get_origin (window, &x_window, &y_window);
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*x -= x_window;
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*y -= y_window;
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}
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}
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static gint
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gtk_entry_accessible_get_offset_at_point (AtkText *atk_text,
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gint x,
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gint y,
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AtkCoordType coords)
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{
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GtkWidget *widget;
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GtkEntry *entry;
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const gchar *text;
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gint index, x_layout, y_layout;
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gint x_window, y_window;
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gint x_local, y_local;
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GdkWindow *window;
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widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (atk_text));
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if (widget == NULL)
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return -1;
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entry = GTK_ENTRY (widget);
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gtk_entry_get_layout_offsets (entry, &x_layout, &y_layout);
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window = gtk_widget_get_window (widget);
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gdk_window_get_origin (window, &x_window, &y_window);
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x_local = x - x_layout - x_window;
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y_local = y - y_layout - y_window;
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if (coords == ATK_XY_WINDOW)
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{
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window = gdk_window_get_toplevel (window);
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gdk_window_get_origin (window, &x_window, &y_window);
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x_local += x_window;
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y_local += y_window;
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}
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if (!pango_layout_xy_to_index (gtk_entry_get_layout (entry),
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x_local * PANGO_SCALE,
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y_local * PANGO_SCALE,
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&index, NULL))
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{
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if (x_local < 0 || y_local < 0)
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index = 0;
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else
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index = -1;
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}
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if (index != -1)
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{
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text = gtk_entry_get_text (entry);
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return g_utf8_pointer_to_offset (text, text + index);
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}
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return -1;
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}
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static gint
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gtk_entry_accessible_get_n_selections (AtkText *text)
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{
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GtkWidget *widget;
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gint start, end;
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widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
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if (widget == NULL)
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return 0;
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if (gtk_editable_get_selection_bounds (GTK_EDITABLE (widget), &start, &end))
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return 1;
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return 0;
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}
|
|
|
|
static gchar *
|
|
gtk_entry_accessible_get_selection (AtkText *text,
|
|
gint selection_num,
|
|
gint *start_pos,
|
|
gint *end_pos)
|
|
{
|
|
GtkWidget *widget;
|
|
|
|
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
|
|
if (widget == NULL)
|
|
return NULL;
|
|
|
|
if (selection_num != 0)
|
|
return NULL;
|
|
|
|
if (gtk_editable_get_selection_bounds (GTK_EDITABLE (widget), start_pos, end_pos))
|
|
return gtk_editable_get_chars (GTK_EDITABLE (widget), *start_pos, *end_pos);
|
|
|
|
return NULL;
|
|
}
|
|
|
|
static gboolean
|
|
gtk_entry_accessible_add_selection (AtkText *text,
|
|
gint start_pos,
|
|
gint end_pos)
|
|
{
|
|
GtkEntry *entry;
|
|
GtkWidget *widget;
|
|
gint start, end;
|
|
|
|
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
|
|
if (widget == NULL)
|
|
return FALSE;
|
|
|
|
entry = GTK_ENTRY (widget);
|
|
|
|
if (!gtk_editable_get_selection_bounds (GTK_EDITABLE (entry), &start, &end))
|
|
{
|
|
gtk_editable_select_region (GTK_EDITABLE (entry), start_pos, end_pos);
|
|
return TRUE;
|
|
}
|
|
else
|
|
return FALSE;
|
|
}
|
|
|
|
static gboolean
|
|
gtk_entry_accessible_remove_selection (AtkText *text,
|
|
gint selection_num)
|
|
{
|
|
GtkWidget *widget;
|
|
gint start, end;
|
|
|
|
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
|
|
if (widget == NULL)
|
|
return FALSE;
|
|
|
|
if (selection_num != 0)
|
|
return FALSE;
|
|
|
|
if (gtk_editable_get_selection_bounds (GTK_EDITABLE (widget), &start, &end))
|
|
{
|
|
gtk_editable_select_region (GTK_EDITABLE (widget), end, end);
|
|
return TRUE;
|
|
}
|
|
else
|
|
return FALSE;
|
|
}
|
|
|
|
static gboolean
|
|
gtk_entry_accessible_set_selection (AtkText *text,
|
|
gint selection_num,
|
|
gint start_pos,
|
|
gint end_pos)
|
|
{
|
|
GtkWidget *widget;
|
|
gint start, end;
|
|
|
|
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
|
|
if (widget == NULL)
|
|
return FALSE;
|
|
|
|
if (selection_num != 0)
|
|
return FALSE;
|
|
|
|
if (gtk_editable_get_selection_bounds (GTK_EDITABLE (widget), &start, &end))
|
|
{
|
|
gtk_editable_select_region (GTK_EDITABLE (widget), start_pos, end_pos);
|
|
return TRUE;
|
|
}
|
|
else
|
|
return FALSE;
|
|
}
|
|
|
|
static gunichar
|
|
gtk_entry_accessible_get_character_at_offset (AtkText *atk_text,
|
|
gint offset)
|
|
{
|
|
GtkWidget *widget;
|
|
const gchar *text;
|
|
gchar *index;
|
|
|
|
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (atk_text));
|
|
if (widget == NULL)
|
|
return '\0';
|
|
|
|
if (!gtk_entry_get_visibility (GTK_ENTRY (widget)))
|
|
return '\0';
|
|
|
|
text = gtk_entry_get_text (GTK_ENTRY (widget));
|
|
if (offset >= g_utf8_strlen (text, -1))
|
|
return '\0';
|
|
|
|
index = g_utf8_offset_to_pointer (text, offset);
|
|
|
|
return g_utf8_get_char (index);
|
|
}
|
|
|
|
static void
|
|
atk_text_interface_init (AtkTextIface *iface)
|
|
{
|
|
iface->get_text = gtk_entry_accessible_get_text;
|
|
iface->get_character_at_offset = gtk_entry_accessible_get_character_at_offset;
|
|
iface->get_text_before_offset = gtk_entry_accessible_get_text_before_offset;
|
|
iface->get_text_at_offset = gtk_entry_accessible_get_text_at_offset;
|
|
iface->get_text_after_offset = gtk_entry_accessible_get_text_after_offset;
|
|
iface->get_caret_offset = gtk_entry_accessible_get_caret_offset;
|
|
iface->set_caret_offset = gtk_entry_accessible_set_caret_offset;
|
|
iface->get_character_count = gtk_entry_accessible_get_character_count;
|
|
iface->get_n_selections = gtk_entry_accessible_get_n_selections;
|
|
iface->get_selection = gtk_entry_accessible_get_selection;
|
|
iface->add_selection = gtk_entry_accessible_add_selection;
|
|
iface->remove_selection = gtk_entry_accessible_remove_selection;
|
|
iface->set_selection = gtk_entry_accessible_set_selection;
|
|
iface->get_run_attributes = gtk_entry_accessible_get_run_attributes;
|
|
iface->get_default_attributes = gtk_entry_accessible_get_default_attributes;
|
|
iface->get_character_extents = gtk_entry_accessible_get_character_extents;
|
|
iface->get_offset_at_point = gtk_entry_accessible_get_offset_at_point;
|
|
}
|
|
|
|
static void
|
|
gtk_entry_accessible_set_text_contents (AtkEditableText *text,
|
|
const gchar *string)
|
|
{
|
|
GtkWidget *widget;
|
|
|
|
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
|
|
if (widget == NULL)
|
|
return;
|
|
|
|
if (!gtk_editable_get_editable (GTK_EDITABLE (widget)))
|
|
return;
|
|
|
|
gtk_entry_set_text (GTK_ENTRY (widget), string);
|
|
}
|
|
|
|
static void
|
|
gtk_entry_accessible_insert_text (AtkEditableText *text,
|
|
const gchar *string,
|
|
gint length,
|
|
gint *position)
|
|
{
|
|
GtkWidget *widget;
|
|
GtkEditable *editable;
|
|
|
|
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
|
|
if (widget == NULL)
|
|
return;
|
|
|
|
editable = GTK_EDITABLE (widget);
|
|
if (!gtk_editable_get_editable (editable))
|
|
return;
|
|
|
|
gtk_editable_insert_text (editable, string, length, position);
|
|
gtk_editable_set_position (editable, *position);
|
|
}
|
|
|
|
static void
|
|
gtk_entry_accessible_copy_text (AtkEditableText *text,
|
|
gint start_pos,
|
|
gint end_pos)
|
|
{
|
|
GtkWidget *widget;
|
|
GtkEditable *editable;
|
|
gchar *str;
|
|
GtkClipboard *clipboard;
|
|
|
|
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
|
|
if (widget == NULL)
|
|
return;
|
|
|
|
if (!gtk_widget_has_screen (widget))
|
|
return;
|
|
|
|
editable = GTK_EDITABLE (widget);
|
|
str = gtk_editable_get_chars (editable, start_pos, end_pos);
|
|
clipboard = gtk_widget_get_clipboard (widget, GDK_SELECTION_CLIPBOARD);
|
|
gtk_clipboard_set_text (clipboard, str, -1);
|
|
g_free (str);
|
|
}
|
|
|
|
static void
|
|
gtk_entry_accessible_cut_text (AtkEditableText *text,
|
|
gint start_pos,
|
|
gint end_pos)
|
|
{
|
|
GtkWidget *widget;
|
|
GtkEditable *editable;
|
|
gchar *str;
|
|
GtkClipboard *clipboard;
|
|
|
|
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
|
|
if (widget == NULL)
|
|
return;
|
|
|
|
if (!gtk_widget_has_screen (widget))
|
|
return;
|
|
|
|
editable = GTK_EDITABLE (widget);
|
|
if (!gtk_editable_get_editable (editable))
|
|
return;
|
|
|
|
str = gtk_editable_get_chars (editable, start_pos, end_pos);
|
|
clipboard = gtk_widget_get_clipboard (widget, GDK_SELECTION_CLIPBOARD);
|
|
gtk_clipboard_set_text (clipboard, str, -1);
|
|
gtk_editable_delete_text (editable, start_pos, end_pos);
|
|
}
|
|
|
|
static void
|
|
gtk_entry_accessible_delete_text (AtkEditableText *text,
|
|
gint start_pos,
|
|
gint end_pos)
|
|
{
|
|
GtkWidget *widget;
|
|
GtkEditable *editable;
|
|
|
|
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
|
|
if (widget == NULL)
|
|
return;
|
|
|
|
editable = GTK_EDITABLE (widget);
|
|
if (!gtk_editable_get_editable (editable))
|
|
return;
|
|
|
|
gtk_editable_delete_text (editable, start_pos, end_pos);
|
|
}
|
|
|
|
typedef struct
|
|
{
|
|
GtkEntry* entry;
|
|
gint position;
|
|
} PasteData;
|
|
|
|
static void
|
|
paste_received_cb (GtkClipboard *clipboard,
|
|
const gchar *text,
|
|
gpointer data)
|
|
{
|
|
PasteData *paste = data;
|
|
|
|
if (text)
|
|
gtk_editable_insert_text (GTK_EDITABLE (paste->entry), text, -1,
|
|
&paste->position);
|
|
|
|
g_object_unref (paste->entry);
|
|
g_free (paste);
|
|
}
|
|
|
|
static void
|
|
gtk_entry_accessible_paste_text (AtkEditableText *text,
|
|
gint position)
|
|
{
|
|
GtkWidget *widget;
|
|
GtkEditable *editable;
|
|
PasteData *paste;
|
|
GtkClipboard *clipboard;
|
|
|
|
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
|
|
if (widget == NULL)
|
|
return;
|
|
|
|
if (!gtk_widget_has_screen (widget))
|
|
return;
|
|
|
|
editable = GTK_EDITABLE (widget);
|
|
if (!gtk_editable_get_editable (editable))
|
|
return;
|
|
|
|
paste = g_new0 (PasteData, 1);
|
|
paste->entry = GTK_ENTRY (widget);
|
|
paste->position = position;
|
|
|
|
g_object_ref (paste->entry);
|
|
clipboard = gtk_widget_get_clipboard (widget, GDK_SELECTION_CLIPBOARD);
|
|
gtk_clipboard_request_text (clipboard, paste_received_cb, paste);
|
|
}
|
|
|
|
static void
|
|
atk_editable_text_interface_init (AtkEditableTextIface *iface)
|
|
{
|
|
iface->set_text_contents = gtk_entry_accessible_set_text_contents;
|
|
iface->insert_text = gtk_entry_accessible_insert_text;
|
|
iface->copy_text = gtk_entry_accessible_copy_text;
|
|
iface->cut_text = gtk_entry_accessible_cut_text;
|
|
iface->delete_text = gtk_entry_accessible_delete_text;
|
|
iface->paste_text = gtk_entry_accessible_paste_text;
|
|
iface->set_run_attributes = NULL;
|
|
}
|
|
|
|
/* We connect to GtkEditable::insert-text, since it carries
|
|
* the information we need. But we delay emitting our own
|
|
* text_changed::insert signal until the entry has update
|
|
* all its internal state and emits GtkEntry::changed.
|
|
*/
|
|
static void
|
|
insert_text_cb (GtkEditable *editable,
|
|
gchar *new_text,
|
|
gint new_text_length,
|
|
gint *position)
|
|
{
|
|
GtkEntryAccessible *accessible;
|
|
|
|
if (new_text_length == 0)
|
|
return;
|
|
|
|
accessible = GTK_ENTRY_ACCESSIBLE (gtk_widget_get_accessible (GTK_WIDGET (editable)));
|
|
|
|
g_signal_emit_by_name (accessible,
|
|
"text-changed::insert",
|
|
*position,
|
|
g_utf8_strlen (new_text, new_text_length));
|
|
}
|
|
|
|
/* We connect to GtkEditable::delete-text, since it carries
|
|
* the information we need. But we delay emitting our own
|
|
* text_changed::delete signal until the entry has update
|
|
* all its internal state and emits GtkEntry::changed.
|
|
*/
|
|
static void
|
|
delete_text_cb (GtkEditable *editable,
|
|
gint start,
|
|
gint end)
|
|
{
|
|
GtkEntryAccessible *accessible;
|
|
|
|
accessible = GTK_ENTRY_ACCESSIBLE (gtk_widget_get_accessible (GTK_WIDGET (editable)));
|
|
|
|
if (end < 0)
|
|
{
|
|
const gchar *text;
|
|
|
|
text = gtk_entry_get_text (GTK_ENTRY (editable));
|
|
end = g_utf8_strlen (text, -1);
|
|
}
|
|
|
|
if (end == start)
|
|
return;
|
|
|
|
g_signal_emit_by_name (accessible,
|
|
"text-changed::delete",
|
|
start,
|
|
end);
|
|
}
|
|
|
|
static gboolean
|
|
check_for_selection_change (GtkEntryAccessible *accessible,
|
|
GtkEntry *entry)
|
|
{
|
|
gboolean ret_val = FALSE;
|
|
gint start, end;
|
|
|
|
if (gtk_editable_get_selection_bounds (GTK_EDITABLE (entry), &start, &end))
|
|
{
|
|
if (end != accessible->cursor_position ||
|
|
start != accessible->selection_bound)
|
|
/*
|
|
* This check is here as this function can be called
|
|
* for notification of selection_bound and current_pos.
|
|
* The values of current_pos and selection_bound may be the same
|
|
* for both notifications and we only want to generate one
|
|
* text_selection_changed signal.
|
|
*/
|
|
ret_val = TRUE;
|
|
}
|
|
else
|
|
{
|
|
/* We had a selection */
|
|
ret_val = (accessible->cursor_position != accessible->selection_bound);
|
|
}
|
|
|
|
accessible->cursor_position = end;
|
|
accessible->selection_bound = start;
|
|
|
|
return ret_val;
|
|
}
|
|
|
|
static gboolean
|
|
gtk_entry_accessible_do_action (AtkAction *action,
|
|
gint i)
|
|
{
|
|
GtkWidget *widget;
|
|
|
|
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (action));
|
|
if (widget == NULL)
|
|
return FALSE;
|
|
|
|
if (!gtk_widget_get_sensitive (widget) || !gtk_widget_get_visible (widget))
|
|
return FALSE;
|
|
|
|
if (i != 0)
|
|
return FALSE;
|
|
|
|
gtk_widget_activate (widget);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static gint
|
|
gtk_entry_accessible_get_n_actions (AtkAction *action)
|
|
{
|
|
return 1;
|
|
}
|
|
|
|
static const gchar *
|
|
gtk_entry_accessible_get_keybinding (AtkAction *action,
|
|
gint i)
|
|
{
|
|
GtkWidget *widget;
|
|
GtkWidget *label;
|
|
AtkRelationSet *set;
|
|
AtkRelation *relation;
|
|
GPtrArray *target;
|
|
gpointer target_object;
|
|
guint key_val;
|
|
|
|
if (i != 0)
|
|
return NULL;
|
|
|
|
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (action));
|
|
if (widget == NULL)
|
|
return NULL;
|
|
|
|
set = atk_object_ref_relation_set (ATK_OBJECT (action));
|
|
if (!set)
|
|
return NULL;
|
|
|
|
label = NULL;
|
|
relation = atk_relation_set_get_relation_by_type (set, ATK_RELATION_LABELLED_BY);
|
|
if (relation)
|
|
{
|
|
target = atk_relation_get_target (relation);
|
|
|
|
target_object = g_ptr_array_index (target, 0);
|
|
label = gtk_accessible_get_widget (GTK_ACCESSIBLE (target_object));
|
|
}
|
|
|
|
g_object_unref (set);
|
|
|
|
if (GTK_IS_LABEL (label))
|
|
{
|
|
key_val = gtk_label_get_mnemonic_keyval (GTK_LABEL (label));
|
|
if (key_val != GDK_KEY_VoidSymbol)
|
|
return gtk_accelerator_name (key_val, GDK_MOD1_MASK);
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
static const gchar*
|
|
gtk_entry_accessible_action_get_name (AtkAction *action,
|
|
gint i)
|
|
{
|
|
if (i != 0)
|
|
return NULL;
|
|
|
|
return "activate";
|
|
}
|
|
|
|
static void
|
|
atk_action_interface_init (AtkActionIface *iface)
|
|
{
|
|
iface->do_action = gtk_entry_accessible_do_action;
|
|
iface->get_n_actions = gtk_entry_accessible_get_n_actions;
|
|
iface->get_keybinding = gtk_entry_accessible_get_keybinding;
|
|
iface->get_name = gtk_entry_accessible_action_get_name;
|
|
}
|