forked from AuroraMiddleware/gtk
Port GtkLabelAccessible from GailTextUtil to GtkPango api
Unfortunately, we still keep a copy of the text around, for ::insert/::delete signals; those emissions need to be moved to GtkLabel itself.
This commit is contained in:
Matthias Clasen
parent
1164ceb4fc
commit
c74ccbb86e
@ -22,114 +22,23 @@
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#include <string.h>
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#include <gtk/gtk.h>
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#include <gtk/gtkpango.h>
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#include "gtklabelaccessible.h"
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#include <libgail-util/gailmisc.h>
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static void gtk_label_accessible_class_init (GtkLabelAccessibleClass *klass);
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static void gtk_label_accessible_init (GtkLabelAccessible *label);
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static void gtk_label_accessible_real_initialize (AtkObject *obj,
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gpointer data);
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static void gtk_label_accessible_real_notify_gtk (GObject *obj,
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GParamSpec *pspec);
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static void gtk_label_accessible_init_text_util (GtkLabelAccessible *gail_label,
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GtkWidget *widget);
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static void gtk_label_accessible_finalize (GObject *object);
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static void atk_text_interface_init (AtkTextIface *iface);
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/* atkobject.h */
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static const gchar* gtk_label_accessible_get_name (AtkObject *accessible);
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static AtkStateSet* gtk_label_accessible_ref_state_set (AtkObject *accessible);
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static AtkRelationSet* gtk_label_accessible_ref_relation_set (AtkObject *accessible);
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/* atktext.h */
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static gchar* gtk_label_accessible_get_text (AtkText *text,
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gint start_pos,
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gint end_pos);
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static gunichar gtk_label_accessible_get_character_at_offset(AtkText *text,
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gint offset);
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static gchar* gtk_label_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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static gchar* gtk_label_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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static gchar* gtk_label_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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static gint gtk_label_accessible_get_character_count (AtkText *text);
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static gint gtk_label_accessible_get_caret_offset (AtkText *text);
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static gboolean gtk_label_accessible_set_caret_offset (AtkText *text,
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gint offset);
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static gint gtk_label_accessible_get_n_selections (AtkText *text);
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static gchar* gtk_label_accessible_get_selection (AtkText *text,
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gint selection_num,
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gint *start_offset,
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gint *end_offset);
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static gboolean gtk_label_accessible_add_selection (AtkText *text,
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gint start_offset,
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gint end_offset);
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static gboolean gtk_label_accessible_remove_selection (AtkText *text,
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gint selection_num);
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static gboolean gtk_label_accessible_set_selection (AtkText *text,
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gint selection_num,
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gint start_offset,
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gint end_offset);
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static void gtk_label_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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static gint gtk_label_accessible_get_offset_at_point (AtkText *text,
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gint x,
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gint y,
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AtkCoordType coords);
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static AtkAttributeSet* gtk_label_accessible_get_run_attributes
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(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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static AtkAttributeSet* gtk_label_accessible_get_default_attributes
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(AtkText *text);
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G_DEFINE_TYPE_WITH_CODE (GtkLabelAccessible, gtk_label_accessible, GAIL_TYPE_WIDGET,
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G_IMPLEMENT_INTERFACE (ATK_TYPE_TEXT, atk_text_interface_init))
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static void
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gtk_label_accessible_class_init (GtkLabelAccessibleClass *klass)
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{
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GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
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AtkObjectClass *class = ATK_OBJECT_CLASS (klass);
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GailWidgetClass *widget_class;
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gobject_class->finalize = gtk_label_accessible_finalize;
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widget_class = (GailWidgetClass*)klass;
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widget_class->notify_gtk = gtk_label_accessible_real_notify_gtk;
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class->get_name = gtk_label_accessible_get_name;
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class->ref_state_set = gtk_label_accessible_ref_state_set;
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class->ref_relation_set = gtk_label_accessible_ref_relation_set;
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class->initialize = gtk_label_accessible_real_initialize;
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}
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static void
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gtk_label_accessible_init (GtkLabelAccessible *label)
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{
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}
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static void
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gtk_label_accessible_real_initialize (AtkObject *obj,
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gtk_label_accessible_initialize (AtkObject *obj,
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gpointer data)
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{
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GtkWidget *widget;
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@ -139,14 +48,9 @@ gtk_label_accessible_real_initialize (AtkObject *obj,
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accessible = GTK_LABEL_ACCESSIBLE (obj);
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accessible->cursor_position = 0;
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accessible->selection_bound = 0;
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accessible->textutil = NULL;
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accessible->label_length = 0;
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widget = GTK_WIDGET (data);
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gtk_label_accessible_init_text_util (accessible, widget);
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accessible->text = g_strdup (gtk_label_get_text (GTK_LABEL (widget)));
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/*
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* Check whether ancestor of GtkLabel is a GtkButton and if so
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@ -169,172 +73,47 @@ gtk_label_accessible_real_initialize (AtkObject *obj,
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}
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static void
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gtk_label_accessible_init_text_util (GtkLabelAccessible *accessible,
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GtkWidget *widget)
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{
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GtkLabel *label;
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const gchar *label_text;
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if (accessible->textutil == NULL)
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accessible->textutil = gail_text_util_new ();
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label = GTK_LABEL (widget);
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label_text = gtk_label_get_text (label);
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gail_text_util_text_setup (accessible->textutil, label_text);
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if (label_text == NULL)
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accessible->label_length = 0;
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else
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accessible->label_length = g_utf8_strlen (label_text, -1);
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}
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static void
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notify_name_change (AtkObject *atk_obj)
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{
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GtkLabel *label;
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GtkLabelAccessible *accessible;
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GtkWidget *widget;
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GObject *gail_obj;
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widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (atk_obj));
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if (widget == NULL)
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return;
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gail_obj = G_OBJECT (atk_obj);
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label = GTK_LABEL (widget);
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accessible = GTK_LABEL_ACCESSIBLE (atk_obj);
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/*
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* Check whether the label has actually changed before emitting
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* notification.
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*/
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if (accessible->textutil->buffer)
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{
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GtkTextIter start, end;
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const char *new_label;
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char *old_label;
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int same;
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gtk_text_buffer_get_start_iter (accessible->textutil->buffer, &start);
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gtk_text_buffer_get_end_iter (accessible->textutil->buffer, &end);
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old_label = gtk_text_buffer_get_text (accessible->textutil->buffer, &start, &end, FALSE);
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new_label = gtk_label_get_text (label);
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same = strcmp (new_label, old_label);
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g_free (old_label);
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if (same == 0)
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return;
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}
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/* Create a delete text and an insert text signal */
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g_signal_emit_by_name (gail_obj, "text_changed::delete", 0,
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accessible->label_length);
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gtk_label_accessible_init_text_util (accessible, widget);
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g_signal_emit_by_name (gail_obj, "text_changed::insert", 0,
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accessible->label_length);
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if (atk_obj->name == NULL)
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/*
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* The label has changed so notify a change in accessible-name
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*/
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g_object_notify (gail_obj, "accessible-name");
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g_signal_emit_by_name (gail_obj, "visible_data_changed");
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}
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static void
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gtk_label_accessible_real_notify_gtk (GObject *obj,
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gtk_label_accessible_notify_gtk (GObject *obj,
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GParamSpec *pspec)
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{
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GtkWidget *widget = GTK_WIDGET (obj);
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AtkObject* atk_obj = gtk_widget_get_accessible (widget);
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GtkLabel *label;
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GtkLabelAccessible *accessible;
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GObject *gail_obj;
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gint length;
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accessible = GTK_LABEL_ACCESSIBLE (atk_obj);
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if (strcmp (pspec->name, "label") == 0 ||
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strcmp (pspec->name, "use-underline") == 0 ||
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strcmp (pspec->name, "use-markup") == 0)
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if (strcmp (pspec->name, "label") == 0)
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{
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notify_name_change (atk_obj);
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const gchar *text;
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text = gtk_label_get_text (GTK_LABEL (widget));
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if (strcmp (accessible->text, text) == 0)
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return;
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/* Create a delete text and an insert text signal */
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length = g_utf8_strlen (accessible->text, -1);
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if (length > 0)
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g_signal_emit_by_name (atk_obj, "text_changed::delete", 0, length);
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g_free (accessible->text);
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accessible->text = g_strdup (text);
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length = g_utf8_strlen (accessible->text, -1);
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if (length > 0)
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g_signal_emit_by_name (atk_obj, "text_changed::insert", 0, length);
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if (atk_obj->name == NULL)
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/* The label has changed so notify a change in accessible-name */
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g_object_notify (G_OBJECT (atk_obj), "accessible-name");
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g_signal_emit_by_name (atk_obj, "visible_data_changed");
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}
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else if (strcmp (pspec->name, "cursor-position") == 0)
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{
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gint start, end, tmp;
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gboolean text_caret_moved = FALSE;
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gboolean selection_changed = FALSE;
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gail_obj = G_OBJECT (atk_obj);
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label = GTK_LABEL (widget);
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if (accessible->selection_bound != -1 && accessible->selection_bound < accessible->cursor_position)
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{
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tmp = accessible->selection_bound;
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accessible->selection_bound = accessible->cursor_position;
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accessible->cursor_position = tmp;
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}
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if (gtk_label_get_selection_bounds (label, &start, &end))
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{
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if (start != accessible->cursor_position ||
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end != accessible->selection_bound)
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{
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if (end != accessible->selection_bound)
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{
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accessible->selection_bound = start;
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accessible->cursor_position = end;
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}
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else
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{
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accessible->selection_bound = end;
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accessible->cursor_position = start;
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}
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text_caret_moved = TRUE;
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if (start != end)
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selection_changed = TRUE;
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}
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}
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else
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{
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if (accessible->cursor_position != accessible->selection_bound)
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selection_changed = TRUE;
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if (gtk_label_get_selectable (label))
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{
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if (accessible->cursor_position != -1 && start != accessible->cursor_position)
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text_caret_moved = TRUE;
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if (accessible->selection_bound != -1 && end != accessible
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->selection_bound)
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{
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text_caret_moved = TRUE;
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accessible->cursor_position = end;
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accessible->selection_bound = start;
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}
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else
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{
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accessible->cursor_position = start;
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accessible->selection_bound = end;
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}
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}
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else
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{
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/* GtkLabel has become non selectable */
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accessible->cursor_position = 0;
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accessible->selection_bound = 0;
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text_caret_moved = TRUE;
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}
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}
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if (text_caret_moved)
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g_signal_emit_by_name (gail_obj, "text_caret_moved",
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accessible->cursor_position);
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if (selection_changed)
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g_signal_emit_by_name (gail_obj, "text_selection_changed");
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g_signal_emit_by_name (atk_obj, "text_caret_moved",
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_gtk_label_get_cursor_position (GTK_LABEL (widget)));
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g_signal_emit_by_name (atk_obj, "text_selection_changed");
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}
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else
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GAIL_WIDGET_CLASS (gtk_label_accessible_parent_class)->notify_gtk (obj, pspec);
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@ -345,32 +124,31 @@ gtk_label_accessible_finalize (GObject *object)
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{
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GtkLabelAccessible *accessible = GTK_LABEL_ACCESSIBLE (object);
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if (accessible->textutil)
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g_object_unref (accessible->textutil);
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g_free (accessible->text);
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G_OBJECT_CLASS (gtk_label_accessible_parent_class)->finalize (object);
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}
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/* atkobject.h */
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static AtkStateSet*
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static AtkStateSet *
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gtk_label_accessible_ref_state_set (AtkObject *accessible)
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{
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AtkStateSet *state_set;
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GtkWidget *widget;
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state_set = ATK_OBJECT_CLASS (gtk_label_accessible_parent_class)->ref_state_set (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 state_set;
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return NULL;
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state_set = ATK_OBJECT_CLASS (gtk_label_accessible_parent_class)->ref_state_set (accessible);
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atk_state_set_add_state (state_set, ATK_STATE_MULTI_LINE);
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return state_set;
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}
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AtkRelationSet*
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AtkRelationSet *
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gtk_label_accessible_ref_relation_set (AtkObject *obj)
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{
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GtkWidget *widget;
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@ -386,12 +164,12 @@ gtk_label_accessible_ref_relation_set (AtkObject *obj)
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if (!atk_relation_set_contains (relation_set, ATK_RELATION_LABEL_FOR))
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{
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/*
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* Get the mnemonic widget
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*
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/* Get the mnemonic widget.
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* The relation set is not updated if the mnemonic widget is changed
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*/
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GtkWidget *mnemonic_widget = gtk_label_get_mnemonic_widget (GTK_LABEL (widget));
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GtkWidget *mnemonic_widget;
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mnemonic_widget = gtk_label_get_mnemonic_widget (GTK_LABEL (widget));
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if (mnemonic_widget)
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{
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@ -401,8 +179,8 @@ gtk_label_accessible_ref_relation_set (AtkObject *obj)
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if (!gtk_widget_get_can_focus (mnemonic_widget))
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{
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/*
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* Handle the case where a GtkFileChooserButton is specified as the
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* mnemonic widget. use the combobox which is a child of the
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* Handle the case where a GtkFileChooserButton is specified
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* as the mnemonic widget. use the combobox which is a child of the
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* GtkFileChooserButton as the mnemonic widget. See bug #359843.
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*/
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if (GTK_IS_BOX (mnemonic_widget))
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@ -461,56 +239,46 @@ gtk_label_accessible_get_name (AtkObject *accessible)
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}
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}
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/* atktext.h */
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static void
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atk_text_interface_init (AtkTextIface *iface)
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gtk_label_accessible_class_init (GtkLabelAccessibleClass *klass)
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{
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iface->get_text = gtk_label_accessible_get_text;
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iface->get_character_at_offset = gtk_label_accessible_get_character_at_offset;
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iface->get_text_before_offset = gtk_label_accessible_get_text_before_offset;
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iface->get_text_at_offset = gtk_label_accessible_get_text_at_offset;
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iface->get_text_after_offset = gtk_label_accessible_get_text_after_offset;
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iface->get_character_count = gtk_label_accessible_get_character_count;
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iface->get_caret_offset = gtk_label_accessible_get_caret_offset;
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iface->set_caret_offset = gtk_label_accessible_set_caret_offset;
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iface->get_n_selections = gtk_label_accessible_get_n_selections;
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iface->get_selection = gtk_label_accessible_get_selection;
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iface->add_selection = gtk_label_accessible_add_selection;
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iface->remove_selection = gtk_label_accessible_remove_selection;
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iface->set_selection = gtk_label_accessible_set_selection;
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iface->get_character_extents = gtk_label_accessible_get_character_extents;
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iface->get_offset_at_point = gtk_label_accessible_get_offset_at_point;
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iface->get_run_attributes = gtk_label_accessible_get_run_attributes;
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iface->get_default_attributes = gtk_label_accessible_get_default_attributes;
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GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
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AtkObjectClass *class = ATK_OBJECT_CLASS (klass);
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GailWidgetClass *widget_class = (GailWidgetClass*)klass;
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gobject_class->finalize = gtk_label_accessible_finalize;
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widget_class->notify_gtk = gtk_label_accessible_notify_gtk;
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class->get_name = gtk_label_accessible_get_name;
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class->ref_state_set = gtk_label_accessible_ref_state_set;
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class->ref_relation_set = gtk_label_accessible_ref_relation_set;
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class->initialize = gtk_label_accessible_initialize;
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}
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|
||||
/* atktext.h */
|
||||
|
||||
static gchar*
|
||||
gtk_label_accessible_get_text (AtkText *text,
|
||||
gtk_label_accessible_get_text (AtkText *atk_text,
|
||||
gint start_pos,
|
||||
gint end_pos)
|
||||
{
|
||||
GtkWidget *widget;
|
||||
GtkLabel *label;
|
||||
const gchar *text;
|
||||
|
||||
const gchar *label_text;
|
||||
|
||||
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
|
||||
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (atk_text));
|
||||
if (widget == NULL)
|
||||
return NULL;
|
||||
|
||||
label = GTK_LABEL (widget);
|
||||
text = gtk_label_get_text (GTK_LABEL (widget));
|
||||
|
||||
label_text = gtk_label_get_text (label);
|
||||
if (text)
|
||||
return g_utf8_substring (text, start_pos, end_pos > -1 ? end_pos : g_utf8_strlen (text, -1));
|
||||
|
||||
if (label_text == NULL)
|
||||
return NULL;
|
||||
else
|
||||
return gail_text_util_get_substring (GTK_LABEL_ACCESSIBLE (text)->textutil,
|
||||
start_pos, end_pos);
|
||||
}
|
||||
|
||||
static gchar*
|
||||
static gchar *
|
||||
gtk_label_accessible_get_text_before_offset (AtkText *text,
|
||||
gint offset,
|
||||
AtkTextBoundary boundary_type,
|
||||
@ -518,18 +286,14 @@ gtk_label_accessible_get_text_before_offset (AtkText *text,
|
||||
gint *end_offset)
|
||||
{
|
||||
GtkWidget *widget;
|
||||
GtkLabel *label;
|
||||
|
||||
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
|
||||
if (widget == NULL)
|
||||
return NULL;
|
||||
|
||||
/* Get label */
|
||||
label = GTK_LABEL (widget);
|
||||
|
||||
return gail_text_util_get_text (GTK_LABEL_ACCESSIBLE (text)->textutil,
|
||||
gtk_label_get_layout (label), GAIL_BEFORE_OFFSET,
|
||||
boundary_type, offset, start_offset, end_offset);
|
||||
return _gtk_pango_get_text_before (gtk_label_get_layout (GTK_LABEL (widget)),
|
||||
boundary_type, offset,
|
||||
start_offset, end_offset);
|
||||
}
|
||||
|
||||
static gchar*
|
||||
@ -540,19 +304,14 @@ gtk_label_accessible_get_text_at_offset (AtkText *text,
|
||||
gint *end_offset)
|
||||
{
|
||||
GtkWidget *widget;
|
||||
GtkLabel *label;
|
||||
|
||||
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
|
||||
|
||||
if (widget == NULL)
|
||||
return NULL;
|
||||
|
||||
/* Get label */
|
||||
label = GTK_LABEL (widget);
|
||||
|
||||
return gail_text_util_get_text (GTK_LABEL_ACCESSIBLE (text)->textutil,
|
||||
gtk_label_get_layout (label), GAIL_AT_OFFSET,
|
||||
boundary_type, offset, start_offset, end_offset);
|
||||
return _gtk_pango_get_text_at (gtk_label_get_layout (GTK_LABEL (widget)),
|
||||
boundary_type, offset,
|
||||
start_offset, end_offset);
|
||||
}
|
||||
|
||||
static gchar*
|
||||
@ -563,39 +322,44 @@ gtk_label_accessible_get_text_after_offset (AtkText *text,
|
||||
gint *end_offset)
|
||||
{
|
||||
GtkWidget *widget;
|
||||
GtkLabel *label;
|
||||
|
||||
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
|
||||
|
||||
if (widget == NULL)
|
||||
return NULL;
|
||||
|
||||
/* Get label */
|
||||
label = GTK_LABEL (widget);
|
||||
|
||||
return gail_text_util_get_text (GTK_LABEL_ACCESSIBLE (text)->textutil,
|
||||
gtk_label_get_layout (label), GAIL_AFTER_OFFSET,
|
||||
boundary_type, offset, start_offset, end_offset);
|
||||
return _gtk_pango_get_text_after (gtk_label_get_layout (GTK_LABEL (widget)),
|
||||
boundary_type, offset,
|
||||
start_offset, end_offset);
|
||||
}
|
||||
|
||||
static gint
|
||||
gtk_label_accessible_get_character_count (AtkText *text)
|
||||
gtk_label_accessible_get_character_count (AtkText *atk_text)
|
||||
{
|
||||
GtkWidget *widget;
|
||||
GtkLabel *label;
|
||||
const gchar *text;
|
||||
|
||||
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
|
||||
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (atk_text));
|
||||
if (widget == NULL)
|
||||
return 0;
|
||||
|
||||
label = GTK_LABEL (widget);
|
||||
return g_utf8_strlen (gtk_label_get_text (label), -1);
|
||||
text = gtk_label_get_text (GTK_LABEL (widget));
|
||||
|
||||
if (text)
|
||||
return g_utf8_strlen (text, -1);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static gint
|
||||
gtk_label_accessible_get_caret_offset (AtkText *text)
|
||||
{
|
||||
return GTK_LABEL_ACCESSIBLE (text)->cursor_position;
|
||||
GtkWidget *widget;
|
||||
|
||||
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
|
||||
if (widget == NULL)
|
||||
return 0;
|
||||
|
||||
return _gtk_label_get_cursor_position (GTK_LABEL (widget));
|
||||
}
|
||||
|
||||
static gboolean
|
||||
@ -607,44 +371,35 @@ gtk_label_accessible_set_caret_offset (AtkText *text,
|
||||
|
||||
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
|
||||
if (widget == NULL)
|
||||
return 0;
|
||||
return FALSE;
|
||||
|
||||
label = GTK_LABEL (widget);
|
||||
|
||||
if (gtk_label_get_selectable (label) &&
|
||||
offset >= 0 &&
|
||||
offset <= g_utf8_strlen (gtk_label_get_text (label), -1))
|
||||
{
|
||||
gtk_label_select_region (label, offset, offset);
|
||||
return TRUE;
|
||||
}
|
||||
else
|
||||
if (!gtk_label_get_selectable (label))
|
||||
return FALSE;
|
||||
|
||||
gtk_label_select_region (label, offset, offset);
|
||||
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
static gint
|
||||
gtk_label_accessible_get_n_selections (AtkText *text)
|
||||
{
|
||||
GtkWidget *widget;
|
||||
GtkLabel *label;
|
||||
gint start, end;
|
||||
|
||||
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
|
||||
if (widget == NULL)
|
||||
return 0;
|
||||
|
||||
label = GTK_LABEL (widget);
|
||||
|
||||
if (!gtk_label_get_selectable (label))
|
||||
return 0;
|
||||
|
||||
if (gtk_label_get_selection_bounds (label, &start, &end))
|
||||
if (gtk_label_get_selection_bounds (GTK_LABEL (widget), &start, &end))
|
||||
return 1;
|
||||
else
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static gchar*
|
||||
static gchar *
|
||||
gtk_label_accessible_get_selection (AtkText *text,
|
||||
gint selection_num,
|
||||
gint *start_pos,
|
||||
@ -659,23 +414,19 @@ gtk_label_accessible_get_selection (AtkText *text,
|
||||
|
||||
label = GTK_LABEL (widget);
|
||||
|
||||
/* Only let the user get the selection if one is set, and if the
|
||||
* selection_num is 0.
|
||||
*/
|
||||
if (!gtk_label_get_selectable( label) || selection_num != 0)
|
||||
if (selection_num != 0)
|
||||
return NULL;
|
||||
|
||||
if (gtk_label_get_selection_bounds (label, start_pos, end_pos))
|
||||
{
|
||||
const gchar* label_text = gtk_label_get_text (label);
|
||||
const gchar *text;
|
||||
|
||||
if (label_text == NULL)
|
||||
return 0;
|
||||
else
|
||||
return gail_text_util_get_substring (GTK_LABEL_ACCESSIBLE (text)->textutil,
|
||||
*start_pos, *end_pos);
|
||||
text = gtk_label_get_text (label);
|
||||
|
||||
if (text)
|
||||
return g_utf8_substring (text, *start_pos, *end_pos);
|
||||
}
|
||||
else
|
||||
|
||||
return NULL;
|
||||
}
|
||||
|
||||
@ -697,7 +448,7 @@ gtk_label_accessible_add_selection (AtkText *text,
|
||||
if (!gtk_label_get_selectable (label))
|
||||
return FALSE;
|
||||
|
||||
if (! gtk_label_get_selection_bounds (label, &start, &end))
|
||||
if (!gtk_label_get_selection_bounds (label, &start, &end))
|
||||
{
|
||||
gtk_label_select_region (label, start_pos, end_pos);
|
||||
return TRUE;
|
||||
@ -780,9 +531,10 @@ gtk_label_accessible_get_character_extents (AtkText *text,
|
||||
PangoRectangle char_rect;
|
||||
const gchar *label_text;
|
||||
gint index, x_layout, y_layout;
|
||||
GdkWindow *window;
|
||||
gint x_window, y_window;
|
||||
|
||||
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
|
||||
|
||||
if (widget == NULL)
|
||||
return;
|
||||
|
||||
@ -792,23 +544,41 @@ gtk_label_accessible_get_character_extents (AtkText *text,
|
||||
label_text = gtk_label_get_text (label);
|
||||
index = g_utf8_offset_to_pointer (label_text, offset) - label_text;
|
||||
pango_layout_index_to_pos (gtk_label_get_layout (label), index, &char_rect);
|
||||
pango_extents_to_pixels (&char_rect, NULL);
|
||||
|
||||
gail_misc_get_extents_from_pango_rectangle (widget, &char_rect,
|
||||
x_layout, y_layout, x, y, width, height, coords);
|
||||
window = gtk_widget_get_window (widget);
|
||||
gdk_window_get_origin (window, &x_window, &y_window);
|
||||
|
||||
*x = x_window + x_layout + char_rect.x;
|
||||
*y = x_window + y_layout + char_rect.y;
|
||||
*width = char_rect.width;
|
||||
*height = char_rect.height;
|
||||
|
||||
if (coords == ATK_XY_WINDOW)
|
||||
{
|
||||
window = gdk_window_get_toplevel (window);
|
||||
gdk_window_get_origin (window, &x_window, &y_window);
|
||||
|
||||
*x -= x_window;
|
||||
*y -= y_window;
|
||||
}
|
||||
}
|
||||
|
||||
static gint
|
||||
gtk_label_accessible_get_offset_at_point (AtkText *text,
|
||||
gtk_label_accessible_get_offset_at_point (AtkText *atk_text,
|
||||
gint x,
|
||||
gint y,
|
||||
AtkCoordType coords)
|
||||
{
|
||||
GtkWidget *widget;
|
||||
GtkLabel *label;
|
||||
const gchar *label_text;
|
||||
const gchar *text;
|
||||
gint index, x_layout, y_layout;
|
||||
gint x_window, y_window;
|
||||
gint x_local, y_local;
|
||||
GdkWindow *window;
|
||||
|
||||
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
|
||||
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (atk_text));
|
||||
if (widget == NULL)
|
||||
return -1;
|
||||
|
||||
@ -816,19 +586,53 @@ gtk_label_accessible_get_offset_at_point (AtkText *text,
|
||||
|
||||
gtk_label_get_layout_offsets (label, &x_layout, &y_layout);
|
||||
|
||||
index = gail_misc_get_index_at_point_in_layout (widget,
|
||||
gtk_label_get_layout (label),
|
||||
x_layout, y_layout, x, y, coords);
|
||||
label_text = gtk_label_get_text (label);
|
||||
if (index == -1)
|
||||
{
|
||||
if (coords == ATK_XY_WINDOW || coords == ATK_XY_SCREEN)
|
||||
return g_utf8_strlen (label_text, -1);
|
||||
window = gtk_widget_get_window (widget);
|
||||
gdk_window_get_origin (window, &x_window, &y_window);
|
||||
|
||||
return index;
|
||||
x_local = x - x_layout - x_window;
|
||||
y_local = y - y_layout - y_window;
|
||||
|
||||
if (coords == ATK_XY_WINDOW)
|
||||
{
|
||||
window = gdk_window_get_toplevel (window);
|
||||
gdk_window_get_origin (window, &x_window, &y_window);
|
||||
|
||||
x_local += x_window;
|
||||
y_local += y_window;
|
||||
}
|
||||
|
||||
if (!pango_layout_xy_to_index (gtk_label_get_layout (label),
|
||||
x_local * PANGO_SCALE,
|
||||
y_local * PANGO_SCALE,
|
||||
&index, NULL))
|
||||
{
|
||||
if (x_local < 0 || y_local < 0)
|
||||
index = 0;
|
||||
else
|
||||
return g_utf8_pointer_to_offset (label_text, label_text + index);
|
||||
index = -1;
|
||||
}
|
||||
|
||||
if (index != -1)
|
||||
{
|
||||
text = gtk_label_get_text (label);
|
||||
return g_utf8_pointer_to_offset (text, text + index);
|
||||
}
|
||||
|
||||
return -1;
|
||||
}
|
||||
|
||||
static AtkAttributeSet *
|
||||
add_attribute (AtkAttributeSet *attributes,
|
||||
AtkTextAttribute attr,
|
||||
const gchar *value)
|
||||
{
|
||||
AtkAttribute *at;
|
||||
|
||||
at = g_new (AtkAttribute, 1);
|
||||
at->name = g_strdup (atk_text_attribute_get_name (attr));
|
||||
at->value = g_strdup (value);
|
||||
|
||||
return g_slist_prepend (attributes, at);
|
||||
}
|
||||
|
||||
static AtkAttributeSet*
|
||||
@ -838,79 +642,88 @@ gtk_label_accessible_get_run_attributes (AtkText *text,
|
||||
gint *end_offset)
|
||||
{
|
||||
GtkWidget *widget;
|
||||
GtkLabel *label;
|
||||
AtkAttributeSet *at_set = NULL;
|
||||
GtkJustification justify;
|
||||
GtkTextDirection dir;
|
||||
AtkAttributeSet *attributes;
|
||||
|
||||
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
|
||||
if (widget == NULL)
|
||||
return NULL;
|
||||
|
||||
label = GTK_LABEL (widget);
|
||||
|
||||
/* Get values set for entire label, if any */
|
||||
justify = gtk_label_get_justify (label);
|
||||
if (justify != GTK_JUSTIFY_CENTER)
|
||||
{
|
||||
at_set = gail_misc_add_attribute (at_set,
|
||||
ATK_TEXT_ATTR_JUSTIFICATION,
|
||||
g_strdup (atk_text_attribute_get_value (ATK_TEXT_ATTR_JUSTIFICATION, justify)));
|
||||
}
|
||||
dir = gtk_widget_get_direction (widget);
|
||||
if (dir == GTK_TEXT_DIR_RTL)
|
||||
{
|
||||
at_set = gail_misc_add_attribute (at_set,
|
||||
ATK_TEXT_ATTR_DIRECTION,
|
||||
g_strdup (atk_text_attribute_get_value (ATK_TEXT_ATTR_DIRECTION, dir)));
|
||||
}
|
||||
|
||||
at_set = gail_misc_layout_get_run_attributes (at_set,
|
||||
gtk_label_get_layout (label),
|
||||
gtk_label_get_text (label),
|
||||
attributes = NULL;
|
||||
attributes = add_attribute (attributes, ATK_TEXT_ATTR_DIRECTION,
|
||||
atk_text_attribute_get_value (ATK_TEXT_ATTR_DIRECTION,
|
||||
gtk_widget_get_direction (widget)));
|
||||
attributes = _gtk_pango_get_run_attributes (attributes,
|
||||
gtk_label_get_layout (GTK_LABEL (widget)),
|
||||
offset,
|
||||
start_offset,
|
||||
end_offset);
|
||||
return at_set;
|
||||
|
||||
return attributes;
|
||||
}
|
||||
|
||||
static AtkAttributeSet*
|
||||
static AtkAttributeSet *
|
||||
gtk_label_accessible_get_default_attributes (AtkText *text)
|
||||
{
|
||||
GtkWidget *widget;
|
||||
GtkLabel *label;
|
||||
AtkAttributeSet *at_set = NULL;
|
||||
AtkAttributeSet *attributes;
|
||||
|
||||
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
|
||||
if (widget == NULL)
|
||||
return NULL;
|
||||
|
||||
label = GTK_LABEL (widget);
|
||||
attributes = NULL;
|
||||
attributes = add_attribute (attributes, ATK_TEXT_ATTR_DIRECTION,
|
||||
atk_text_attribute_get_value (ATK_TEXT_ATTR_DIRECTION,
|
||||
gtk_widget_get_direction (widget)));
|
||||
attributes = _gtk_pango_get_default_attributes (attributes,
|
||||
gtk_label_get_layout (GTK_LABEL (widget)));
|
||||
attributes = _gtk_style_context_get_attributes (attributes,
|
||||
gtk_widget_get_style_context (widget),
|
||||
gtk_widget_get_state_flags (widget));
|
||||
|
||||
at_set = gail_misc_get_default_attributes (at_set,
|
||||
gtk_label_get_layout (label),
|
||||
widget);
|
||||
return at_set;
|
||||
return attributes;
|
||||
}
|
||||
|
||||
static gunichar
|
||||
gtk_label_accessible_get_character_at_offset (AtkText *text,
|
||||
gtk_label_accessible_get_character_at_offset (AtkText *atk_text,
|
||||
gint offset)
|
||||
{
|
||||
GtkWidget *widget;
|
||||
GtkLabel *label;
|
||||
const gchar *string;
|
||||
const gchar *text;
|
||||
gchar *index;
|
||||
|
||||
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
|
||||
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (atk_text));
|
||||
if (widget == NULL)
|
||||
return '\0';
|
||||
|
||||
label = GTK_LABEL (widget);
|
||||
string = gtk_label_get_text (label);
|
||||
if (offset >= g_utf8_strlen (string, -1))
|
||||
text = gtk_label_get_text (GTK_LABEL (widget));
|
||||
if (offset >= g_utf8_strlen (text, -1))
|
||||
return '\0';
|
||||
index = g_utf8_offset_to_pointer (string, offset);
|
||||
|
||||
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_label_accessible_get_text;
|
||||
iface->get_character_at_offset = gtk_label_accessible_get_character_at_offset;
|
||||
iface->get_text_before_offset = gtk_label_accessible_get_text_before_offset;
|
||||
iface->get_text_at_offset = gtk_label_accessible_get_text_at_offset;
|
||||
iface->get_text_after_offset = gtk_label_accessible_get_text_after_offset;
|
||||
iface->get_character_count = gtk_label_accessible_get_character_count;
|
||||
iface->get_caret_offset = gtk_label_accessible_get_caret_offset;
|
||||
iface->set_caret_offset = gtk_label_accessible_set_caret_offset;
|
||||
iface->get_n_selections = gtk_label_accessible_get_n_selections;
|
||||
iface->get_selection = gtk_label_accessible_get_selection;
|
||||
iface->add_selection = gtk_label_accessible_add_selection;
|
||||
iface->remove_selection = gtk_label_accessible_remove_selection;
|
||||
iface->set_selection = gtk_label_accessible_set_selection;
|
||||
iface->get_character_extents = gtk_label_accessible_get_character_extents;
|
||||
iface->get_offset_at_point = gtk_label_accessible_get_offset_at_point;
|
||||
iface->get_run_attributes = gtk_label_accessible_get_run_attributes;
|
||||
iface->get_default_attributes = gtk_label_accessible_get_default_attributes;
|
||||
}
|
||||
|
||||
|
||||
@ -39,10 +39,7 @@ struct _GtkLabelAccessible
|
||||
{
|
||||
GailWidget parent;
|
||||
|
||||
GailTextUtil *textutil;
|
||||
gint cursor_position;
|
||||
gint selection_bound;
|
||||
gint label_length;
|
||||
gchar *text;
|
||||
};
|
||||
|
||||
struct _GtkLabelAccessibleClass
|
||||
|
||||
Loading…
Reference in New Issue
Block a user