+++ /dev/null
-/* GAIL - The GNOME Accessibility Implementation Library
- * 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, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
- */
-
-#include "config.h"
-
-#include <string.h>
-#include <gtk/gtk.h>
-#include "gailstatusbar.h"
-#include <libgail-util/gailmisc.h>
-
-static void gail_statusbar_class_init (GailStatusbarClass *klass);
-static void gail_statusbar_init (GailStatusbar *bar);
-static const gchar* gail_statusbar_get_name (AtkObject *obj);
-static gint gail_statusbar_get_n_children (AtkObject *obj);
-static AtkObject* gail_statusbar_ref_child (AtkObject *obj,
- gint i);
-static void gail_statusbar_real_initialize (AtkObject *obj,
- gpointer data);
-
-static gint gail_statusbar_notify (GObject *obj,
- GParamSpec *pspec,
- gpointer user_data);
-static void gail_statusbar_finalize (GObject *object);
-static void gail_statusbar_init_textutil (GailStatusbar *statusbar,
- GtkWidget *label);
-
-/* atktext.h */
-static void atk_text_interface_init (AtkTextIface *iface);
-
-static gchar* gail_statusbar_get_text (AtkText *text,
- gint start_pos,
- gint end_pos);
-static gunichar gail_statusbar_get_character_at_offset
- (AtkText *text,
- gint offset);
-static gchar* gail_statusbar_get_text_before_offset
- (AtkText *text,
- gint offset,
- AtkTextBoundary boundary_type,
- gint *start_offset,
- gint *end_offset);
-static gchar* gail_statusbar_get_text_at_offset(AtkText *text,
- gint offset,
- AtkTextBoundary boundary_type,
- gint *start_offset,
- gint *end_offset);
-static gchar* gail_statusbar_get_text_after_offset
- (AtkText *text,
- gint offset,
- AtkTextBoundary boundary_type,
- gint *start_offset,
- gint *end_offset);
-static gint gail_statusbar_get_character_count (AtkText *text);
-static void gail_statusbar_get_character_extents
- (AtkText *text,
- gint offset,
- gint *x,
- gint *y,
- gint *width,
- gint *height,
- AtkCoordType coords);
-static gint gail_statusbar_get_offset_at_point(AtkText *text,
- gint x,
- gint y,
- AtkCoordType coords);
-static AtkAttributeSet* gail_statusbar_get_run_attributes
- (AtkText *text,
- gint offset,
- gint *start_offset,
- gint *end_offset);
-static AtkAttributeSet* gail_statusbar_get_default_attributes
- (AtkText *text);
-static GtkWidget* get_label_from_statusbar (GtkWidget *statusbar);
-
-G_DEFINE_TYPE_WITH_CODE (GailStatusbar, gail_statusbar, GAIL_TYPE_CONTAINER,
- G_IMPLEMENT_INTERFACE (ATK_TYPE_TEXT, atk_text_interface_init))
-
-static void
-gail_statusbar_class_init (GailStatusbarClass *klass)
-{
- GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
- AtkObjectClass *class = ATK_OBJECT_CLASS (klass);
- GailContainerClass *container_class;
-
- container_class = (GailContainerClass*)klass;
-
- gobject_class->finalize = gail_statusbar_finalize;
-
- class->get_name = gail_statusbar_get_name;
- class->get_n_children = gail_statusbar_get_n_children;
- class->ref_child = gail_statusbar_ref_child;
- class->initialize = gail_statusbar_real_initialize;
- /*
- * As we report the statusbar as having no children we are not interested
- * in add and remove signals
- */
- container_class->add_gtk = NULL;
- container_class->remove_gtk = NULL;
-}
-
-static void
-gail_statusbar_init (GailStatusbar *bar)
-{
-}
-
-static const gchar*
-gail_statusbar_get_name (AtkObject *obj)
-{
- const gchar* name;
-
- g_return_val_if_fail (GAIL_IS_STATUSBAR (obj), NULL);
-
- name = ATK_OBJECT_CLASS (gail_statusbar_parent_class)->get_name (obj);
- if (name != NULL)
- return name;
- else
- {
- /*
- * Get the text on the label
- */
- GtkWidget *widget;
- GtkWidget *label;
-
- widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (obj));
- if (widget == NULL)
- /*
- * State is defunct
- */
- return NULL;
-
- g_return_val_if_fail (GTK_IS_STATUSBAR (widget), NULL);
- label = get_label_from_statusbar (widget);
- if (GTK_IS_LABEL (label))
- return gtk_label_get_label (GTK_LABEL (label));
- else
- return NULL;
- }
-}
-
-static gint
-gail_statusbar_get_n_children (AtkObject *obj)
-{
- GtkWidget *widget;
- GList *children;
- gint count = 0;
-
- widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (obj));
- if (widget == NULL)
- return 0;
-
- children = gtk_container_get_children (GTK_CONTAINER (widget));
- if (children != NULL)
- {
- count = g_list_length (children);
- g_list_free (children);
- }
-
- return count;
-}
-
-static AtkObject*
-gail_statusbar_ref_child (AtkObject *obj,
- gint i)
-{
- GList *children, *tmp_list;
- AtkObject *accessible;
- GtkWidget *widget;
-
- g_return_val_if_fail ((i >= 0), NULL);
- widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (obj));
- if (widget == NULL)
- return NULL;
-
- children = gtk_container_get_children (GTK_CONTAINER (widget));
- if (children == NULL)
- return NULL;
-
- tmp_list = g_list_nth (children, i);
- if (!tmp_list)
- {
- g_list_free (children);
- return NULL;
- }
- accessible = gtk_widget_get_accessible (GTK_WIDGET (tmp_list->data));
-
- g_list_free (children);
- g_object_ref (accessible);
- return accessible;
-}
-
-static void
-gail_statusbar_real_initialize (AtkObject *obj,
- gpointer data)
-{
- GailStatusbar *statusbar = GAIL_STATUSBAR (obj);
- GtkWidget *label;
-
- ATK_OBJECT_CLASS (gail_statusbar_parent_class)->initialize (obj, data);
-
- /*
- * We get notified of changes to the label
- */
- label = get_label_from_statusbar (GTK_WIDGET (data));
- if (GTK_IS_LABEL (label))
- {
- gail_statusbar_init_textutil (statusbar, label);
- }
-
- obj->role = ATK_ROLE_STATUSBAR;
-
-}
-
-static gint
-gail_statusbar_notify (GObject *obj,
- GParamSpec *pspec,
- gpointer user_data)
-{
- AtkObject *atk_obj = ATK_OBJECT (user_data);
- GtkLabel *label;
- GailStatusbar *statusbar;
-
- if (strcmp (pspec->name, "label") == 0)
- {
- const gchar* label_text;
-
- label = GTK_LABEL (obj);
-
- label_text = gtk_label_get_text (label);
-
- statusbar = GAIL_STATUSBAR (atk_obj);
- gail_text_util_text_setup (statusbar->textutil, label_text);
-
- if (atk_obj->name == NULL)
- {
- /*
- * The label has changed so notify a change in accessible-name
- */
- g_object_notify (G_OBJECT (atk_obj), "accessible-name");
- }
- /*
- * The label is the only property which can be changed
- */
- g_signal_emit_by_name (atk_obj, "visible_data_changed");
- }
- return 1;
-}
-
-static void
-gail_statusbar_init_textutil (GailStatusbar *statusbar,
- GtkWidget *label)
-{
- const gchar *label_text;
-
- statusbar->textutil = gail_text_util_new ();
- label_text = gtk_label_get_text (GTK_LABEL (label));
- gail_text_util_text_setup (statusbar->textutil, label_text);
- g_signal_connect (label,
- "notify",
- (GCallback) gail_statusbar_notify,
- statusbar);
-}
-
-static void
-gail_statusbar_finalize (GObject *object)
-{
- GailStatusbar *statusbar = GAIL_STATUSBAR (object);
-
- if (statusbar->textutil)
- {
- g_object_unref (statusbar->textutil);
- }
- G_OBJECT_CLASS (gail_statusbar_parent_class)->finalize (object);
-}
-
-/* atktext.h */
-
-static void
-atk_text_interface_init (AtkTextIface *iface)
-{
- iface->get_text = gail_statusbar_get_text;
- iface->get_character_at_offset = gail_statusbar_get_character_at_offset;
- iface->get_text_before_offset = gail_statusbar_get_text_before_offset;
- iface->get_text_at_offset = gail_statusbar_get_text_at_offset;
- iface->get_text_after_offset = gail_statusbar_get_text_after_offset;
- iface->get_character_count = gail_statusbar_get_character_count;
- iface->get_character_extents = gail_statusbar_get_character_extents;
- iface->get_offset_at_point = gail_statusbar_get_offset_at_point;
- iface->get_run_attributes = gail_statusbar_get_run_attributes;
- iface->get_default_attributes = gail_statusbar_get_default_attributes;
-}
-
-static gchar*
-gail_statusbar_get_text (AtkText *text,
- gint start_pos,
- gint end_pos)
-{
- GtkWidget *widget;
- GtkWidget *label;
- GailStatusbar *statusbar;
- const gchar *label_text;
-
- widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
- if (widget == NULL)
- /* State is defunct */
- return NULL;
-
- label = get_label_from_statusbar (widget);
-
- if (!GTK_IS_LABEL (label))
- return NULL;
-
- statusbar = GAIL_STATUSBAR (text);
- if (!statusbar->textutil)
- gail_statusbar_init_textutil (statusbar, label);
-
- label_text = gtk_label_get_text (GTK_LABEL (label));
-
- if (label_text == NULL)
- return NULL;
- else
- {
- return gail_text_util_get_substring (statusbar->textutil,
- start_pos, end_pos);
- }
-}
-
-static gchar*
-gail_statusbar_get_text_before_offset (AtkText *text,
- gint offset,
- AtkTextBoundary boundary_type,
- gint *start_offset,
- gint *end_offset)
-{
- GtkWidget *widget;
- GtkWidget *label;
- GailStatusbar *statusbar;
-
- widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
-
- if (widget == NULL)
- /* State is defunct */
- return NULL;
-
- /* Get label */
- label = get_label_from_statusbar (widget);
-
- if (!GTK_IS_LABEL(label))
- return NULL;
-
- statusbar = GAIL_STATUSBAR (text);
- if (!statusbar->textutil)
- gail_statusbar_init_textutil (statusbar, label);
-
- return gail_text_util_get_text (statusbar->textutil,
- gtk_label_get_layout (GTK_LABEL (label)), GAIL_BEFORE_OFFSET,
- boundary_type, offset, start_offset, end_offset);
-}
-
-static gchar*
-gail_statusbar_get_text_at_offset (AtkText *text,
- gint offset,
- AtkTextBoundary boundary_type,
- gint *start_offset,
- gint *end_offset)
-{
- GtkWidget *widget;
- GtkWidget *label;
- GailStatusbar *statusbar;
-
- widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
-
- if (widget == NULL)
- /* State is defunct */
- return NULL;
-
- /* Get label */
- label = get_label_from_statusbar (widget);
-
- if (!GTK_IS_LABEL(label))
- return NULL;
-
- statusbar = GAIL_STATUSBAR (text);
- if (!statusbar->textutil)
- gail_statusbar_init_textutil (statusbar, label);
-
- return gail_text_util_get_text (statusbar->textutil,
- gtk_label_get_layout (GTK_LABEL (label)), GAIL_AT_OFFSET,
- boundary_type, offset, start_offset, end_offset);
-}
-
-static gchar*
-gail_statusbar_get_text_after_offset (AtkText *text,
- gint offset,
- AtkTextBoundary boundary_type,
- gint *start_offset,
- gint *end_offset)
-{
- GtkWidget *widget;
- GtkWidget *label;
- GailStatusbar *statusbar;
-
- widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
-
- if (widget == NULL)
- {
- /* State is defunct */
- return NULL;
- }
-
- /* Get label */
- label = get_label_from_statusbar (widget);
-
- if (!GTK_IS_LABEL(label))
- return NULL;
-
- statusbar = GAIL_STATUSBAR (text);
- if (!statusbar->textutil)
- gail_statusbar_init_textutil (statusbar, label);
-
- return gail_text_util_get_text (statusbar->textutil,
- gtk_label_get_layout (GTK_LABEL (label)), GAIL_AFTER_OFFSET,
- boundary_type, offset, start_offset, end_offset);
-}
-
-static gint
-gail_statusbar_get_character_count (AtkText *text)
-{
- GtkWidget *widget;
- GtkWidget *label;
-
- widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
- if (widget == NULL)
- /* State is defunct */
- return 0;
-
- label = get_label_from_statusbar (widget);
-
- if (!GTK_IS_LABEL(label))
- return 0;
-
- return g_utf8_strlen (gtk_label_get_text (GTK_LABEL (label)), -1);
-}
-
-static void
-gail_statusbar_get_character_extents (AtkText *text,
- gint offset,
- gint *x,
- gint *y,
- gint *width,
- gint *height,
- AtkCoordType coords)
-{
- GtkWidget *widget;
- GtkWidget *label;
- PangoRectangle char_rect;
- gint index, x_layout, y_layout;
- const gchar *label_text;
-
- widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
-
- if (widget == NULL)
- /* State is defunct */
- return;
-
- label = get_label_from_statusbar (widget);
-
- if (!GTK_IS_LABEL(label))
- return;
-
- gtk_label_get_layout_offsets (GTK_LABEL (label), &x_layout, &y_layout);
- label_text = gtk_label_get_text (GTK_LABEL (label));
- index = g_utf8_offset_to_pointer (label_text, offset) - label_text;
- pango_layout_index_to_pos (gtk_label_get_layout (GTK_LABEL (label)), index, &char_rect);
-
- gail_misc_get_extents_from_pango_rectangle (label, &char_rect,
- x_layout, y_layout, x, y, width, height, coords);
-}
-
-static gint
-gail_statusbar_get_offset_at_point (AtkText *text,
- gint x,
- gint y,
- AtkCoordType coords)
-{
- GtkWidget *widget;
- GtkWidget *label;
- gint index, x_layout, y_layout;
- const gchar *label_text;
-
- widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
- if (widget == NULL)
- /* State is defunct */
- return -1;
-
- label = get_label_from_statusbar (widget);
-
- if (!GTK_IS_LABEL(label))
- return -1;
-
- gtk_label_get_layout_offsets (GTK_LABEL (label), &x_layout, &y_layout);
-
- index = gail_misc_get_index_at_point_in_layout (label,
- gtk_label_get_layout (GTK_LABEL (label)),
- x_layout, y_layout, x, y, coords);
- label_text = gtk_label_get_text (GTK_LABEL (label));
- if (index == -1)
- {
- if (coords == ATK_XY_WINDOW || coords == ATK_XY_SCREEN)
- return g_utf8_strlen (label_text, -1);
-
- return index;
- }
- else
- return g_utf8_pointer_to_offset (label_text, label_text + index);
-}
-
-static AtkAttributeSet*
-gail_statusbar_get_run_attributes (AtkText *text,
- gint offset,
- gint *start_offset,
- gint *end_offset)
-{
- GtkWidget *widget;
- GtkWidget *label;
- AtkAttributeSet *at_set = NULL;
- GtkJustification justify;
- GtkTextDirection dir;
-
- widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
- if (widget == NULL)
- /* State is defunct */
- return NULL;
-
- label = get_label_from_statusbar (widget);
-
- if (!GTK_IS_LABEL(label))
- return NULL;
-
- /* Get values set for entire label, if any */
- justify = gtk_label_get_justify (GTK_LABEL (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 (label);
- 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 (GTK_LABEL (label)),
- (gchar *) gtk_label_get_text (GTK_LABEL (label)),
- offset,
- start_offset,
- end_offset);
- return at_set;
-}
-
-static AtkAttributeSet*
-gail_statusbar_get_default_attributes (AtkText *text)
-{
- GtkWidget *widget;
- GtkWidget *label;
- AtkAttributeSet *at_set = NULL;
-
- widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
- if (widget == NULL)
- /* State is defunct */
- return NULL;
-
- label = get_label_from_statusbar (widget);
-
- if (!GTK_IS_LABEL(label))
- return NULL;
-
- at_set = gail_misc_get_default_attributes (at_set,
- gtk_label_get_layout (GTK_LABEL (label)),
- widget);
- return at_set;
-}
-
-static gunichar
-gail_statusbar_get_character_at_offset (AtkText *text,
- gint offset)
-{
- GtkWidget *widget;
- GtkWidget *label;
- const gchar *string;
- gchar *index;
-
- widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
- if (widget == NULL)
- /* State is defunct */
- return '\0';
-
- label = get_label_from_statusbar (widget);
-
- if (!GTK_IS_LABEL(label))
- return '\0';
- string = gtk_label_get_text (GTK_LABEL (label));
- if (offset >= g_utf8_strlen (string, -1))
- return '\0';
- index = g_utf8_offset_to_pointer (string, offset);
-
- return g_utf8_get_char (index);
-}
-
-static GtkWidget*
-get_label_from_statusbar (GtkWidget *statusbar)
-{
- GtkWidget *message_area;
- GList *children, *l;
- GtkWidget *child;
-
- message_area = gtk_statusbar_get_message_area (GTK_STATUSBAR (statusbar));
-
- children = gtk_container_get_children (GTK_CONTAINER (message_area));
- for (l = children; l; l = l->next)
- {
- child = l->data;
- if (GTK_IS_LABEL (child))
- break;
- child = NULL;
- }
-
- g_list_free (children);
-
- return child;
-}
--- /dev/null
+/* GAIL - The GNOME Accessibility Implementation Library
+ * 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, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#include "config.h"
+
+#include <string.h>
+#include <gtk/gtk.h>
+#include "gtkstatusbaraccessible.h"
+
+
+G_DEFINE_TYPE (GtkStatusbarAccessible, gtk_statusbar_accessible, GAIL_TYPE_CONTAINER)
+
+static void
+text_changed (GtkStatusbar *statusbar,
+ guint context_id,
+ const gchar *text,
+ AtkObject *obj)
+{
+ if (!obj->name)
+ g_object_notify (G_OBJECT (obj), "accessible-name");
+ g_signal_emit_by_name (obj, "visible-data-changed");
+}
+
+static void
+gtk_statusbar_accessible_initialize (AtkObject *obj,
+ gpointer data)
+{
+ GtkWidget *statusbar = data;
+
+ ATK_OBJECT_CLASS (gtk_statusbar_accessible_parent_class)->initialize (obj, data);
+
+ g_signal_connect_after (statusbar, "text-pushed",
+ G_CALLBACK (text_changed), obj);
+ g_signal_connect_after (statusbar, "text-popped",
+ G_CALLBACK (text_changed), obj);
+
+ obj->role = ATK_ROLE_STATUSBAR;
+}
+
+static GtkWidget *
+find_label_child (GtkContainer *container)
+{
+ GList *children, *tmp_list;
+ GtkWidget *child;
+
+ children = gtk_container_get_children (container);
+
+ child = NULL;
+ for (tmp_list = children; tmp_list != NULL; tmp_list = tmp_list->next)
+ {
+ if (GTK_IS_LABEL (tmp_list->data))
+ {
+ child = GTK_WIDGET (tmp_list->data);
+ break;
+ }
+ else if (GTK_IS_CONTAINER (tmp_list->data))
+ {
+ child = find_label_child (GTK_CONTAINER (tmp_list->data));
+ if (child)
+ break;
+ }
+ }
+ g_list_free (children);
+
+ return child;
+}
+
+static GtkWidget *
+get_label_from_statusbar (GtkStatusbar *statusbar)
+{
+ GtkWidget *box;
+
+ box = gtk_statusbar_get_message_area (statusbar);
+
+ return find_label_child (GTK_CONTAINER (box));
+}
+
+static const gchar *
+gtk_statusbar_accessible_get_name (AtkObject *obj)
+{
+ const gchar *name;
+ GtkWidget *widget;
+ GtkWidget *label;
+
+ widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (obj));
+ if (widget == NULL)
+ return NULL;
+
+ name = ATK_OBJECT_CLASS (gtk_statusbar_accessible_parent_class)->get_name (obj);
+ if (name != NULL)
+ return name;
+
+ label = get_label_from_statusbar (GTK_STATUSBAR (widget));
+ if (GTK_IS_LABEL (label))
+ return gtk_label_get_label (GTK_LABEL (label));
+
+ return NULL;
+}
+
+static gint
+gtk_statusbar_accessible_get_n_children (AtkObject *obj)
+{
+ return 0;
+}
+
+static AtkObject*
+gtk_statusbar_accessible_ref_child (AtkObject *obj,
+ gint i)
+{
+ return NULL;
+}
+
+static void
+gtk_statusbar_accessible_class_init (GtkStatusbarAccessibleClass *klass)
+{
+ AtkObjectClass *class = ATK_OBJECT_CLASS (klass);
+ GailContainerClass *container_class = (GailContainerClass*)klass;
+
+ class->get_name = gtk_statusbar_accessible_get_name;
+ class->get_n_children = gtk_statusbar_accessible_get_n_children;
+ class->ref_child = gtk_statusbar_accessible_ref_child;
+ class->initialize = gtk_statusbar_accessible_initialize;
+ /*
+ * As we report the statusbar as having no children
+ * we are not interested in add and remove signals
+ */
+ container_class->add_gtk = NULL;
+ container_class->remove_gtk = NULL;
+}
+
+static void
+gtk_statusbar_accessible_init (GtkStatusbarAccessible *bar)
+{
+}
projects / ~andy / gtk / commitdiff