/* GTK+ - accessibility implementations * Copyright 2001, 2002, 2003 Sun Microsystems Inc. * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library. If not, see . */ #include "config.h" #define GDK_COMPILATION #include "gdk/gdkeventsprivate.h" #include #include #include #include "gtkpango.h" #include "gtkentryaccessible.h" #include "gtkentryprivate.h" #include "gtksearchentryprivate.h" #include "gtkpasswordentry.h" #include "gtktextprivate.h" #include "gtkcomboboxaccessible.h" #include "gtkstylecontextprivate.h" #include "gtkwidgetprivate.h" #define GTK_TYPE_ENTRY_ICON_ACCESSIBLE (gtk_entry_icon_accessible_get_type ()) #define GTK_ENTRY_ICON_ACCESSIBLE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_ENTRY_ICON_ACCESSIBLE, GtkEntryIconAccessible)) #define GTK_IS_ENTRY_ICON_ACCESSIBLE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_ENTRY_ICON_ACCESSIBLE)) struct _GtkEntryAccessiblePrivate { gint cursor_position; gint selection_bound; AtkObject *icons[2]; }; typedef struct _GtkEntryIconAccessible GtkEntryIconAccessible; typedef struct _GtkEntryIconAccessibleClass GtkEntryIconAccessibleClass; struct _GtkEntryIconAccessible { AtkObject parent; GtkEntryAccessible *entry; GtkEntryIconPosition pos; }; struct _GtkEntryIconAccessibleClass { AtkObjectClass parent_class; }; static void icon_atk_action_interface_init (AtkActionIface *iface); static void icon_atk_component_interface_init (AtkComponentIface *iface); G_DEFINE_TYPE_WITH_CODE (GtkEntryIconAccessible, gtk_entry_icon_accessible, ATK_TYPE_OBJECT, G_IMPLEMENT_INTERFACE (ATK_TYPE_ACTION, icon_atk_action_interface_init) G_IMPLEMENT_INTERFACE (ATK_TYPE_COMPONENT, icon_atk_component_interface_init)) static void gtk_entry_icon_accessible_remove_entry (gpointer data, GObject *obj) { GtkEntryIconAccessible *icon = data; if (icon->entry) { icon->entry = NULL; g_object_notify (G_OBJECT (icon), "accessible-parent"); atk_object_notify_state_change (ATK_OBJECT (icon), ATK_STATE_DEFUNCT, TRUE); } } static AtkObject * gtk_entry_icon_accessible_new (GtkEntryAccessible *entry, GtkEntryIconPosition pos) { GtkEntryIconAccessible *icon; AtkObject *accessible; icon = g_object_new (gtk_entry_icon_accessible_get_type (), NULL); icon->entry = entry; g_object_weak_ref (G_OBJECT (entry), gtk_entry_icon_accessible_remove_entry, icon); icon->pos = pos; accessible = ATK_OBJECT (icon); atk_object_initialize (accessible, NULL); return accessible; } static void gtk_entry_icon_accessible_init (GtkEntryIconAccessible *icon) { } static void gtk_entry_icon_accessible_initialize (AtkObject *obj, gpointer data) { GtkEntryIconAccessible *icon = GTK_ENTRY_ICON_ACCESSIBLE (obj); GtkWidget *widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (icon->entry)); GtkEntry *gtk_entry = GTK_ENTRY (widget); const gchar *name; gchar *text; ATK_OBJECT_CLASS (gtk_entry_icon_accessible_parent_class)->initialize (obj, data); atk_object_set_role (obj, ATK_ROLE_ICON); name = gtk_entry_get_icon_name (gtk_entry, icon->pos); if (name) atk_object_set_name (obj, name); text = gtk_entry_get_icon_tooltip_text (gtk_entry, icon->pos); if (text) { atk_object_set_description (obj, text); g_free (text); } atk_object_set_parent (obj, ATK_OBJECT (icon->entry)); } static AtkObject * gtk_entry_icon_accessible_get_parent (AtkObject *accessible) { GtkEntryIconAccessible *icon = GTK_ENTRY_ICON_ACCESSIBLE (accessible); return ATK_OBJECT (icon->entry); } static AtkStateSet * gtk_entry_icon_accessible_ref_state_set (AtkObject *accessible) { GtkEntryIconAccessible *icon = GTK_ENTRY_ICON_ACCESSIBLE (accessible); AtkStateSet *set = atk_state_set_new (); AtkStateSet *entry_set; GtkWidget *widget; GtkEntry *gtk_entry; if (!icon->entry) { atk_state_set_add_state (set, ATK_STATE_DEFUNCT); return set; } entry_set = atk_object_ref_state_set (ATK_OBJECT (icon->entry)); if (!entry_set || atk_state_set_contains_state (entry_set, ATK_STATE_DEFUNCT)) { atk_state_set_add_state (set, ATK_STATE_DEFUNCT); g_clear_object (&entry_set); return set; } widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (icon->entry)); gtk_entry = GTK_ENTRY (widget); if (atk_state_set_contains_state (entry_set, ATK_STATE_ENABLED)) atk_state_set_add_state (set, ATK_STATE_ENABLED); if (atk_state_set_contains_state (entry_set, ATK_STATE_SENSITIVE)) atk_state_set_add_state (set, ATK_STATE_SENSITIVE); if (atk_state_set_contains_state (entry_set, ATK_STATE_SHOWING)) atk_state_set_add_state (set, ATK_STATE_SHOWING); if (atk_state_set_contains_state (entry_set, ATK_STATE_VISIBLE)) atk_state_set_add_state (set, ATK_STATE_VISIBLE); if (!gtk_entry_get_icon_sensitive (gtk_entry, icon->pos)) atk_state_set_remove_state (set, ATK_STATE_SENSITIVE); if (!gtk_entry_get_icon_activatable (gtk_entry, icon->pos)) atk_state_set_remove_state (set, ATK_STATE_ENABLED); g_object_unref (entry_set); return set; } static void gtk_entry_icon_accessible_invalidate (GtkEntryIconAccessible *icon) { if (!icon->entry) return; g_object_weak_unref (G_OBJECT (icon->entry), gtk_entry_icon_accessible_remove_entry, icon); gtk_entry_icon_accessible_remove_entry (icon, NULL); } static void gtk_entry_icon_accessible_finalize (GObject *object) { GtkEntryIconAccessible *icon = GTK_ENTRY_ICON_ACCESSIBLE (object); gtk_entry_icon_accessible_invalidate (icon); G_OBJECT_CLASS (gtk_entry_icon_accessible_parent_class)->finalize (object); } static void gtk_entry_icon_accessible_class_init (GtkEntryIconAccessibleClass *klass) { AtkObjectClass *atk_class = ATK_OBJECT_CLASS (klass); GObjectClass *gobject_class = G_OBJECT_CLASS (klass); atk_class->initialize = gtk_entry_icon_accessible_initialize; atk_class->get_parent = gtk_entry_icon_accessible_get_parent; atk_class->ref_state_set = gtk_entry_icon_accessible_ref_state_set; gobject_class->finalize = gtk_entry_icon_accessible_finalize; } static gboolean gtk_entry_icon_accessible_do_action (AtkAction *action, gint i) { GtkEntryIconAccessible *icon = (GtkEntryIconAccessible *)action; GtkWidget *widget; GtkEntry *gtk_entry; widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (icon->entry)); if (widget == NULL) return FALSE; if (i != 0) return FALSE; if (!gtk_widget_is_sensitive (widget) || !gtk_widget_get_visible (widget)) return FALSE; gtk_entry = GTK_ENTRY (widget); if (!gtk_entry_get_icon_sensitive (gtk_entry, icon->pos) || !gtk_entry_get_icon_activatable (gtk_entry, icon->pos)) return FALSE; g_signal_emit_by_name (widget, "icon-press", 0, icon->pos); return TRUE; } static gint gtk_entry_icon_accessible_get_n_actions (AtkAction *action) { GtkEntryIconAccessible *icon = GTK_ENTRY_ICON_ACCESSIBLE (action); GtkWidget *widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (icon->entry)); GtkEntry *gtk_entry = GTK_ENTRY (widget); return (gtk_entry_get_icon_activatable (gtk_entry, icon->pos) ? 1 : 0); } static const gchar * gtk_entry_icon_accessible_get_name (AtkAction *action, gint i) { GtkEntryIconAccessible *icon = GTK_ENTRY_ICON_ACCESSIBLE (action); GtkWidget *widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (icon->entry)); GtkEntry *gtk_entry = GTK_ENTRY (widget); if (i != 0) return NULL; if (!gtk_entry_get_icon_activatable (gtk_entry, icon->pos)) return NULL; return "activate"; } static void icon_atk_action_interface_init (AtkActionIface *iface) { iface->do_action = gtk_entry_icon_accessible_do_action; iface->get_n_actions = gtk_entry_icon_accessible_get_n_actions; iface->get_name = gtk_entry_icon_accessible_get_name; } static void gtk_entry_icon_accessible_get_extents (AtkComponent *component, gint *x, gint *y, gint *width, gint *height, AtkCoordType coord_type) { GtkEntryIconAccessible *icon = GTK_ENTRY_ICON_ACCESSIBLE (component); GdkRectangle icon_area; GtkEntry *gtk_entry; GtkWidget *widget; *x = G_MININT; atk_component_get_extents (ATK_COMPONENT (icon->entry), x, y, width, height, coord_type); if (*x == G_MININT) return; widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (icon->entry)); gtk_entry = GTK_ENTRY (widget); gtk_entry_get_icon_area (gtk_entry, icon->pos, &icon_area); *width = icon_area.width; *height = icon_area.height; *x += icon_area.x; *y += icon_area.y; } static void gtk_entry_icon_accessible_get_position (AtkComponent *component, gint *x, gint *y, AtkCoordType coord_type) { GtkEntryIconAccessible *icon = GTK_ENTRY_ICON_ACCESSIBLE (component); GdkRectangle icon_area; GtkEntry *gtk_entry; GtkWidget *widget; *x = G_MININT; atk_component_get_extents (ATK_COMPONENT (icon->entry), x, y, NULL, NULL, coord_type); if (*x == G_MININT) return; widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (icon->entry)); gtk_entry = GTK_ENTRY (widget); gtk_entry_get_icon_area (gtk_entry, icon->pos, &icon_area); *x += icon_area.x; *y += icon_area.y; } static void gtk_entry_icon_accessible_get_size (AtkComponent *component, gint *width, gint *height) { GtkEntryIconAccessible *icon = GTK_ENTRY_ICON_ACCESSIBLE (component); GdkRectangle icon_area; GtkEntry *gtk_entry; GtkWidget *widget; widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (icon->entry)); gtk_entry = GTK_ENTRY (widget); gtk_entry_get_icon_area (gtk_entry, icon->pos, &icon_area); *width = icon_area.width; *height = icon_area.height; } static void icon_atk_component_interface_init (AtkComponentIface *iface) { iface->get_extents = gtk_entry_icon_accessible_get_extents; iface->get_size = gtk_entry_icon_accessible_get_size; iface->get_position = gtk_entry_icon_accessible_get_position; } /* Callbacks */ static void insert_text_cb (GtkEditable *editable, gchar *new_text, gint new_text_length, gint *position); static void delete_text_cb (GtkEditable *editable, gint start, gint end); static gboolean check_for_selection_change (GtkEntryAccessible *entry, GtkEditable *editable); static void atk_editable_text_interface_init (AtkEditableTextIface *iface); static void atk_text_interface_init (AtkTextIface *iface); static void atk_action_interface_init (AtkActionIface *iface); G_DEFINE_TYPE_WITH_CODE (GtkEntryAccessible, gtk_entry_accessible, GTK_TYPE_WIDGET_ACCESSIBLE, G_ADD_PRIVATE (GtkEntryAccessible) G_IMPLEMENT_INTERFACE (ATK_TYPE_EDITABLE_TEXT, atk_editable_text_interface_init) G_IMPLEMENT_INTERFACE (ATK_TYPE_TEXT, atk_text_interface_init) G_IMPLEMENT_INTERFACE (ATK_TYPE_ACTION, atk_action_interface_init)) static AtkStateSet * gtk_entry_accessible_ref_state_set (AtkObject *accessible) { AtkStateSet *state_set; gboolean value; GtkWidget *widget; widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (accessible)); if (widget == NULL) return NULL; state_set = ATK_OBJECT_CLASS (gtk_entry_accessible_parent_class)->ref_state_set (accessible); g_object_get (G_OBJECT (widget), "editable", &value, NULL); if (value) atk_state_set_add_state (state_set, ATK_STATE_EDITABLE); atk_state_set_add_state (state_set, ATK_STATE_SINGLE_LINE); return state_set; } static AtkAttributeSet * gtk_entry_accessible_get_attributes (AtkObject *accessible) { GtkWidget *widget; AtkAttributeSet *attributes; AtkAttribute *placeholder_text; char *text = NULL; attributes = ATK_OBJECT_CLASS (gtk_entry_accessible_parent_class)->get_attributes (accessible); widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (accessible)); if (widget == NULL) return attributes; if (GTK_IS_ENTRY (widget) || GTK_IS_SEARCH_ENTRY (widget)) g_object_get (widget, "placeholder-text", &text, NULL); if (text == NULL) return attributes; placeholder_text = g_malloc (sizeof (AtkAttribute)); placeholder_text->name = g_strdup ("placeholder-text"); placeholder_text->value = text; attributes = g_slist_append (attributes, placeholder_text); return attributes; } static void gtk_entry_accessible_initialize (AtkObject *obj, gpointer data) { GtkWidget *widget; GtkEntryAccessible *gtk_entry_accessible; gint start_pos, end_pos; ATK_OBJECT_CLASS (gtk_entry_accessible_parent_class)->initialize (obj, data); gtk_entry_accessible = GTK_ENTRY_ACCESSIBLE (obj); widget = GTK_WIDGET (data); gtk_editable_get_selection_bounds (GTK_EDITABLE (widget), &start_pos, &end_pos); gtk_entry_accessible->priv->cursor_position = end_pos; gtk_entry_accessible->priv->selection_bound = start_pos; /* Set up signal callbacks */ g_signal_connect_after (widget, "insert-text", G_CALLBACK (insert_text_cb), NULL); g_signal_connect (widget, "delete-text", G_CALLBACK (delete_text_cb), NULL); if (GTK_IS_PASSWORD_ENTRY (widget)) obj->role = ATK_ROLE_PASSWORD_TEXT; else obj->role = ATK_ROLE_TEXT; } static void gtk_entry_accessible_notify_gtk (GObject *obj, GParamSpec *pspec) { GtkWidget *widget; AtkObject* atk_obj; GtkEntryAccessible* entry; GtkEntryAccessiblePrivate *priv; widget = GTK_WIDGET (obj); atk_obj = gtk_widget_get_accessible (widget); entry = GTK_ENTRY_ACCESSIBLE (atk_obj); priv = entry->priv; if (g_strcmp0 (pspec->name, "cursor-position") == 0) { if (check_for_selection_change (entry, GTK_EDITABLE (widget))) g_signal_emit_by_name (atk_obj, "text-selection-changed"); /* * The entry cursor position has moved so generate the signal. */ g_signal_emit_by_name (atk_obj, "text-caret-moved", gtk_editable_get_position (GTK_EDITABLE (widget))); } else if (g_strcmp0 (pspec->name, "selection-bound") == 0) { if (check_for_selection_change (entry, GTK_EDITABLE (widget))) g_signal_emit_by_name (atk_obj, "text-selection-changed"); } else if (GTK_IS_ENTRY (widget) && g_strcmp0 (pspec->name, "editable") == 0) { gboolean value; g_object_get (obj, "editable", &value, NULL); atk_object_notify_state_change (atk_obj, ATK_STATE_EDITABLE, value); } else if (GTK_IS_ENTRY (widget) && g_strcmp0 (pspec->name, "visibility") == 0) { gboolean visibility; AtkRole new_role; visibility = gtk_entry_get_visibility (GTK_ENTRY (widget)); new_role = visibility ? ATK_ROLE_TEXT : ATK_ROLE_PASSWORD_TEXT; atk_object_set_role (atk_obj, new_role); } else if (GTK_IS_ENTRY (widget) && g_strcmp0 (pspec->name, "primary-icon-storage-type") == 0) { if (gtk_entry_get_icon_storage_type (GTK_ENTRY (widget), GTK_ENTRY_ICON_PRIMARY) != GTK_IMAGE_EMPTY && !priv->icons[GTK_ENTRY_ICON_PRIMARY]) { priv->icons[GTK_ENTRY_ICON_PRIMARY] = gtk_entry_icon_accessible_new (entry, GTK_ENTRY_ICON_PRIMARY); g_signal_emit_by_name (entry, "children-changed::add", 0, priv->icons[GTK_ENTRY_ICON_PRIMARY], NULL); } else if (gtk_entry_get_icon_storage_type (GTK_ENTRY (widget), GTK_ENTRY_ICON_PRIMARY) == GTK_IMAGE_EMPTY && priv->icons[GTK_ENTRY_ICON_PRIMARY]) { gtk_entry_icon_accessible_invalidate (GTK_ENTRY_ICON_ACCESSIBLE (priv->icons[GTK_ENTRY_ICON_PRIMARY])); g_signal_emit_by_name (entry, "children-changed::remove", 0, priv->icons[GTK_ENTRY_ICON_PRIMARY], NULL); g_clear_object (&priv->icons[GTK_ENTRY_ICON_PRIMARY]); } } else if (GTK_IS_ENTRY (widget) && g_strcmp0 (pspec->name, "secondary-icon-storage-type") == 0) { gint index = (priv->icons[GTK_ENTRY_ICON_PRIMARY] ? 1 : 0); if (gtk_entry_get_icon_storage_type (GTK_ENTRY (widget), GTK_ENTRY_ICON_SECONDARY) != GTK_IMAGE_EMPTY && !priv->icons[GTK_ENTRY_ICON_SECONDARY]) { priv->icons[GTK_ENTRY_ICON_SECONDARY] = gtk_entry_icon_accessible_new (entry, GTK_ENTRY_ICON_SECONDARY); g_signal_emit_by_name (entry, "children-changed::add", index, priv->icons[GTK_ENTRY_ICON_SECONDARY], NULL); } else if (gtk_entry_get_icon_storage_type (GTK_ENTRY (widget), GTK_ENTRY_ICON_SECONDARY) == GTK_IMAGE_EMPTY && priv->icons[GTK_ENTRY_ICON_SECONDARY]) { gtk_entry_icon_accessible_invalidate (GTK_ENTRY_ICON_ACCESSIBLE (priv->icons[GTK_ENTRY_ICON_SECONDARY])); g_signal_emit_by_name (entry, "children-changed::remove", index, priv->icons[GTK_ENTRY_ICON_SECONDARY], NULL); g_clear_object (&priv->icons[GTK_ENTRY_ICON_SECONDARY]); } } else if (GTK_IS_ENTRY (widget) && g_strcmp0 (pspec->name, "primary-icon-name") == 0) { if (priv->icons[GTK_ENTRY_ICON_PRIMARY]) { const gchar *name; name = gtk_entry_get_icon_name (GTK_ENTRY (widget), GTK_ENTRY_ICON_PRIMARY); if (name) atk_object_set_name (priv->icons[GTK_ENTRY_ICON_PRIMARY], name); } } else if (GTK_IS_ENTRY (widget) && g_strcmp0 (pspec->name, "secondary-icon-name") == 0) { if (priv->icons[GTK_ENTRY_ICON_SECONDARY]) { const gchar *name; name = gtk_entry_get_icon_name (GTK_ENTRY (widget), GTK_ENTRY_ICON_SECONDARY); if (name) atk_object_set_name (priv->icons[GTK_ENTRY_ICON_SECONDARY], name); } } else if (GTK_IS_ENTRY (widget) && g_strcmp0 (pspec->name, "primary-icon-tooltip-text") == 0) { if (priv->icons[GTK_ENTRY_ICON_PRIMARY]) { gchar *text; text = gtk_entry_get_icon_tooltip_text (GTK_ENTRY (widget), GTK_ENTRY_ICON_PRIMARY); if (text) { atk_object_set_description (priv->icons[GTK_ENTRY_ICON_PRIMARY], text); g_free (text); } else { atk_object_set_description (priv->icons[GTK_ENTRY_ICON_PRIMARY], ""); } } } else if (GTK_IS_ENTRY (widget) && g_strcmp0 (pspec->name, "secondary-icon-tooltip-text") == 0) { if (priv->icons[GTK_ENTRY_ICON_SECONDARY]) { gchar *text; text = gtk_entry_get_icon_tooltip_text (GTK_ENTRY (widget), GTK_ENTRY_ICON_SECONDARY); if (text) { atk_object_set_description (priv->icons[GTK_ENTRY_ICON_SECONDARY], text); g_free (text); } else { atk_object_set_description (priv->icons[GTK_ENTRY_ICON_SECONDARY], ""); } } } else if (GTK_IS_ENTRY (widget) && g_strcmp0 (pspec->name, "primary-icon-activatable") == 0) { if (priv->icons[GTK_ENTRY_ICON_PRIMARY]) { gboolean on = gtk_entry_get_icon_activatable (GTK_ENTRY (widget), GTK_ENTRY_ICON_PRIMARY); atk_object_notify_state_change (priv->icons[GTK_ENTRY_ICON_PRIMARY], ATK_STATE_ENABLED, on); } } else if (GTK_IS_ENTRY (widget) && g_strcmp0 (pspec->name, "secondary-icon-activatable") == 0) { if (priv->icons[GTK_ENTRY_ICON_SECONDARY]) { gboolean on = gtk_entry_get_icon_activatable (GTK_ENTRY (widget), GTK_ENTRY_ICON_SECONDARY); atk_object_notify_state_change (priv->icons[GTK_ENTRY_ICON_SECONDARY], ATK_STATE_ENABLED, on); } } else if (GTK_IS_ENTRY (widget) && g_strcmp0 (pspec->name, "primary-icon-sensitive") == 0) { if (priv->icons[GTK_ENTRY_ICON_PRIMARY]) { gboolean on = gtk_entry_get_icon_sensitive (GTK_ENTRY (widget), GTK_ENTRY_ICON_PRIMARY); atk_object_notify_state_change (priv->icons[GTK_ENTRY_ICON_PRIMARY], ATK_STATE_SENSITIVE, on); } } else if (GTK_IS_ENTRY (widget) && g_strcmp0 (pspec->name, "secondary-icon-sensitive") == 0) { if (priv->icons[GTK_ENTRY_ICON_SECONDARY]) { gboolean on = gtk_entry_get_icon_sensitive (GTK_ENTRY (widget), GTK_ENTRY_ICON_SECONDARY); atk_object_notify_state_change (priv->icons[GTK_ENTRY_ICON_SECONDARY], ATK_STATE_SENSITIVE, on); } } else GTK_WIDGET_ACCESSIBLE_CLASS (gtk_entry_accessible_parent_class)->notify_gtk (obj, pspec); } static gint gtk_entry_accessible_get_index_in_parent (AtkObject *accessible) { /* * If the parent widget is a combo box then the index is 1 * otherwise do the normal thing. */ if (accessible->accessible_parent) if (GTK_IS_COMBO_BOX_ACCESSIBLE (accessible->accessible_parent)) return 1; return ATK_OBJECT_CLASS (gtk_entry_accessible_parent_class)->get_index_in_parent (accessible); } static gint gtk_entry_accessible_get_n_children (AtkObject* obj) { GtkWidget *widget; gint count = 0; widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (obj)); if (widget == NULL) return 0; if (GTK_IS_ENTRY (widget)) { if (gtk_entry_get_icon_storage_type (GTK_ENTRY (widget), GTK_ENTRY_ICON_PRIMARY) != GTK_IMAGE_EMPTY) count++; if (gtk_entry_get_icon_storage_type (GTK_ENTRY (widget), GTK_ENTRY_ICON_SECONDARY) != GTK_IMAGE_EMPTY) count++; } return count; } static AtkObject * gtk_entry_accessible_ref_child (AtkObject *obj, gint i) { GtkEntryAccessible *accessible = GTK_ENTRY_ACCESSIBLE (obj); GtkEntryAccessiblePrivate *priv = accessible->priv; GtkWidget *widget; GtkEntryIconPosition pos; widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (obj)); if (widget == NULL) return NULL; if (!GTK_IS_ENTRY (widget)) return NULL; switch (i) { case 0: if (gtk_entry_get_icon_storage_type (GTK_ENTRY (widget), GTK_ENTRY_ICON_PRIMARY) != GTK_IMAGE_EMPTY) pos = GTK_ENTRY_ICON_PRIMARY; else if (gtk_entry_get_icon_storage_type (GTK_ENTRY (widget), GTK_ENTRY_ICON_SECONDARY) != GTK_IMAGE_EMPTY) pos = GTK_ENTRY_ICON_SECONDARY; else return NULL; break; case 1: if (gtk_entry_get_icon_storage_type (GTK_ENTRY (widget), GTK_ENTRY_ICON_PRIMARY) == GTK_IMAGE_EMPTY) return NULL; if (gtk_entry_get_icon_storage_type (GTK_ENTRY (widget), GTK_ENTRY_ICON_SECONDARY) == GTK_IMAGE_EMPTY) return NULL; pos = GTK_ENTRY_ICON_SECONDARY; break; default: return NULL; } if (!priv->icons[pos]) priv->icons[pos] = gtk_entry_icon_accessible_new (accessible, pos); return g_object_ref (priv->icons[pos]); } static void gtk_entry_accessible_finalize (GObject *object) { GtkEntryAccessible *entry = GTK_ENTRY_ACCESSIBLE (object); GtkEntryAccessiblePrivate *priv = entry->priv; g_clear_object (&priv->icons[GTK_ENTRY_ICON_PRIMARY]); g_clear_object (&priv->icons[GTK_ENTRY_ICON_SECONDARY]); G_OBJECT_CLASS (gtk_entry_accessible_parent_class)->finalize (object); } static void gtk_entry_accessible_class_init (GtkEntryAccessibleClass *klass) { AtkObjectClass *class = ATK_OBJECT_CLASS (klass); GtkWidgetAccessibleClass *widget_class = (GtkWidgetAccessibleClass*)klass; GObjectClass *gobject_class = G_OBJECT_CLASS (klass); class->ref_state_set = gtk_entry_accessible_ref_state_set; class->get_index_in_parent = gtk_entry_accessible_get_index_in_parent; class->initialize = gtk_entry_accessible_initialize; class->get_attributes = gtk_entry_accessible_get_attributes; class->get_n_children = gtk_entry_accessible_get_n_children; class->ref_child = gtk_entry_accessible_ref_child; widget_class->notify_gtk = gtk_entry_accessible_notify_gtk; gobject_class->finalize = gtk_entry_accessible_finalize; } static void gtk_entry_accessible_init (GtkEntryAccessible *entry) { entry->priv = gtk_entry_accessible_get_instance_private (entry); entry->priv->cursor_position = 0; entry->priv->selection_bound = 0; } static GtkText * get_text (AtkText *atk_text) { GtkWidget *widget; widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (atk_text)); if (widget == NULL) return NULL; if (GTK_IS_ENTRY (widget)) return gtk_entry_get_text_widget (GTK_ENTRY (widget)); else if (GTK_IS_SEARCH_ENTRY (widget)) return gtk_search_entry_get_text_widget (GTK_SEARCH_ENTRY (widget)); else return NULL; // FIXME; } static gchar * gtk_entry_accessible_get_text (AtkText *atk_text, gint start_pos, gint end_pos) { GtkText *text; text = get_text (atk_text); if (text == NULL) return NULL; return gtk_text_get_display_text (text, start_pos, end_pos); } static gchar * gtk_entry_accessible_get_text_before_offset (AtkText *atk_text, gint offset, AtkTextBoundary boundary_type, gint *start_offset, gint *end_offset) { GtkText *text; text = get_text (atk_text); if (text == NULL) return NULL; return _gtk_pango_get_text_before (gtk_text_get_layout (text), boundary_type, offset, start_offset, end_offset); } static gchar * gtk_entry_accessible_get_text_at_offset (AtkText *atk_text, gint offset, AtkTextBoundary boundary_type, gint *start_offset, gint *end_offset) { GtkText *text; text = get_text (atk_text); if (text == NULL) return NULL; return _gtk_pango_get_text_at (gtk_text_get_layout (text), boundary_type, offset, start_offset, end_offset); } static gchar * gtk_entry_accessible_get_text_after_offset (AtkText *atk_text, gint offset, AtkTextBoundary boundary_type, gint *start_offset, gint *end_offset) { GtkText *text; text = get_text (atk_text); if (text == NULL) return NULL; return _gtk_pango_get_text_after (gtk_text_get_layout (text), boundary_type, offset, start_offset, end_offset); } static gint gtk_entry_accessible_get_character_count (AtkText *atk_text) { GtkText *text; char *display_text; int char_count; text = get_text (atk_text); if (text == NULL) return 0; display_text = gtk_text_get_display_text (text, 0, -1); char_count = 0; if (display_text) { char_count = g_utf8_strlen (display_text, -1); g_free (display_text); } return char_count; } static gint gtk_entry_accessible_get_caret_offset (AtkText *text) { GtkWidget *widget; gboolean result; int cursor_position; widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text)); if (widget == NULL) return -1; result = gtk_editable_get_selection_bounds (GTK_EDITABLE (widget), NULL, &cursor_position); if (!result) return -1; return cursor_position; } static gboolean gtk_entry_accessible_set_caret_offset (AtkText *text, gint offset) { GtkWidget *widget; widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text)); if (widget == NULL) return FALSE; gtk_editable_set_position (GTK_EDITABLE (widget), offset); return TRUE; } static AtkAttributeSet * add_text_attribute (AtkAttributeSet *attributes, AtkTextAttribute attr, gint i) { AtkAttribute *at; at = g_new (AtkAttribute, 1); at->name = g_strdup (atk_text_attribute_get_name (attr)); at->value = g_strdup (atk_text_attribute_get_value (attr, i)); return g_slist_prepend (attributes, at); } static AtkAttributeSet * gtk_entry_accessible_get_run_attributes (AtkText *atk_text, gint offset, gint *start_offset, gint *end_offset) { GtkText *text; AtkAttributeSet *attributes; text = get_text (atk_text); if (text == NULL) return NULL; attributes = NULL; attributes = add_text_attribute (attributes, ATK_TEXT_ATTR_DIRECTION, gtk_widget_get_direction (GTK_WIDGET (text))); attributes = _gtk_pango_get_run_attributes (attributes, gtk_text_get_layout (text), offset, start_offset, end_offset); return attributes; } static AtkAttributeSet * gtk_entry_accessible_get_default_attributes (AtkText *atk_text) { GtkText *text; AtkAttributeSet *attributes; text = get_text (atk_text); if (text == NULL) return NULL; attributes = NULL; attributes = add_text_attribute (attributes, ATK_TEXT_ATTR_DIRECTION, gtk_widget_get_direction (GTK_WIDGET (text))); attributes = _gtk_pango_get_default_attributes (attributes, gtk_text_get_layout (text)); attributes = _gtk_style_context_get_attributes (attributes, gtk_widget_get_style_context (GTK_WIDGET (text))); return attributes; } static void gtk_entry_accessible_get_character_extents (AtkText *atk_text, gint offset, gint *x, gint *y, gint *width, gint *height, AtkCoordType coords) { GtkText *textw; PangoRectangle char_rect; gchar *entry_text; gint index, x_layout, y_layout; GtkAllocation allocation; textw = get_text (atk_text); if (textw == NULL) return; gtk_text_get_layout_offsets (textw, &x_layout, &y_layout); entry_text = gtk_text_get_display_text (textw, 0, -1); index = g_utf8_offset_to_pointer (entry_text, offset) - entry_text; g_free (entry_text); pango_layout_index_to_pos (gtk_text_get_layout (textw), index, &char_rect); pango_extents_to_pixels (&char_rect, NULL); gtk_widget_get_allocation (GTK_WIDGET (textw), &allocation); *x = allocation.x + x_layout + char_rect.x; *y = allocation.y + y_layout + char_rect.y; *width = char_rect.width; *height = char_rect.height; } static gint gtk_entry_accessible_get_offset_at_point (AtkText *atk_text, gint x, gint y, AtkCoordType coords) { GtkText *textw; gchar *text; gint index, x_layout, y_layout; gint x_local, y_local; glong offset; textw = get_text (atk_text); if (textw == NULL) return 1; gtk_text_get_layout_offsets (textw, &x_layout, &y_layout); x_local = x - x_layout; y_local = y - y_layout; if (!pango_layout_xy_to_index (gtk_text_get_layout (textw), x_local * PANGO_SCALE, y_local * PANGO_SCALE, &index, NULL)) { if (x_local < 0 || y_local < 0) index = 0; else index = -1; } offset = -1; if (index != -1) { text = gtk_text_get_display_text (textw, 0, -1); offset = g_utf8_pointer_to_offset (text, text + index); g_free (text); } return offset; } static gint gtk_entry_accessible_get_n_selections (AtkText *text) { GtkWidget *widget; gint start, end; widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text)); if (widget == NULL) return 0; if (gtk_editable_get_selection_bounds (GTK_EDITABLE (widget), &start, &end)) return 1; return 0; } 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) { GtkText *textw; gchar *text; gchar *index; gunichar result; result = '\0'; textw = get_text (atk_text); if (textw == NULL) return 0; if (!gtk_text_get_visibility (textw)) return result; text = gtk_text_get_display_text (textw, 0, -1); if (offset < g_utf8_strlen (text, -1)) { index = g_utf8_offset_to_pointer (text, offset); result = g_utf8_get_char (index); g_free (text); } return result; } 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_editable_set_text (GTK_EDITABLE (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; GdkClipboard *clipboard; widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text)); if (widget == NULL) return; editable = GTK_EDITABLE (widget); str = gtk_editable_get_chars (editable, start_pos, end_pos); clipboard = gtk_widget_get_clipboard (widget); gdk_clipboard_set_text (clipboard, str); g_free (str); } static void gtk_entry_accessible_cut_text (AtkEditableText *text, gint start_pos, gint end_pos) { GtkWidget *widget; GtkEditable *editable; gchar *str; GdkClipboard *clipboard; widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text)); if (widget == NULL) 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_clipboard_set_text (clipboard, str); 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 (GObject *clipboard, GAsyncResult *result, gpointer data) { PasteData *paste = data; char *text; text = gdk_clipboard_read_text_finish (GDK_CLIPBOARD (clipboard), result, NULL); if (text) gtk_editable_insert_text (GTK_EDITABLE (paste->entry), text, -1, &paste->position); g_object_unref (paste->entry); g_free (paste); g_free (text); } static void gtk_entry_accessible_paste_text (AtkEditableText *text, gint position) { GtkWidget *widget; GtkEditable *editable; PasteData *paste; GdkClipboard *clipboard; widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text)); if (widget == NULL) 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_clipboard_read_text_async (clipboard, NULL, 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; } static void insert_text_cb (GtkEditable *editable, gchar *new_text, gint new_text_length, gint *position) { GtkEntryAccessible *accessible; gint length; if (new_text_length == 0) return; accessible = GTK_ENTRY_ACCESSIBLE (gtk_widget_get_accessible (GTK_WIDGET (editable))); length = g_utf8_strlen (new_text, new_text_length); g_signal_emit_by_name (accessible, "text-changed::insert", *position - length, 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; GtkText *textw; accessible = GTK_ENTRY_ACCESSIBLE (gtk_widget_get_accessible (GTK_WIDGET (editable))); textw = get_text (ATK_TEXT (accessible)); if (textw == NULL) return; if (end < 0) { gchar *text; text = gtk_text_get_display_text (textw, 0, -1); end = g_utf8_strlen (text, -1); g_free (text); } if (end == start) return; g_signal_emit_by_name (accessible, "text-changed::delete", start, end - start); } static gboolean check_for_selection_change (GtkEntryAccessible *accessible, GtkEditable *editable) { gboolean ret_val = FALSE; gint start, end; if (gtk_editable_get_selection_bounds (editable, &start, &end)) { if (end != accessible->priv->cursor_position || start != accessible->priv->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->priv->cursor_position != accessible->priv->selection_bound); } accessible->priv->cursor_position = end; accessible->priv->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 "activate"; return NULL; } static const gchar* gtk_entry_accessible_action_get_localized_name (AtkAction *action, gint i) { if (i == 0) return C_("Action name", "Activate"); return NULL; } static const gchar* gtk_entry_accessible_action_get_description (AtkAction *action, gint i) { if (i == 0) return C_("Action description", "Activates the entry"); return NULL; } 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; iface->get_localized_name = gtk_entry_accessible_action_get_localized_name; iface->get_description = gtk_entry_accessible_action_get_description; }