[gtk+] a11y: Use GdkEvent API in some places

[Carlos Garnacho <carlosg src gnome org>]

commit efd287feb32d2ffbb50c2504c8c3c2f6fa2c491d
Author: Matthias Clasen <mclasen redhat com>
Date:   Sat Aug 26 14:26:30 2017 -0400

    a11y: Use GdkEvent API in some places
    
    More work needed.

 gtk/a11y/gtkaccessibility.c     |   19 +++++++++++++------
 gtk/a11y/gtkaccessibilityutil.c |   36 ++++++++++++++++++++++++------------
 2 files changed, 37 insertions(+), 18 deletions(-)
---
diff --git a/gtk/a11y/gtkaccessibility.c b/gtk/a11y/gtkaccessibility.c
index 7f25442..928f866 100644
--- a/gtk/a11y/gtkaccessibility.c
+++ b/gtk/a11y/gtkaccessibility.c
@@ -148,6 +148,7 @@ gail_focus_watcher (GSignalInvocationHint *ihint,
   GtkWidget *widget;
   GdkEvent *event;
   GdkEventType event_type;
+  gboolean focus_in;
 
   object = g_value_get_object (param_values + 0);
   g_return_val_if_fail (GTK_IS_WIDGET(object), FALSE);
@@ -155,10 +156,11 @@ gail_focus_watcher (GSignalInvocationHint *ihint,
   event = g_value_get_boxed (param_values + 1);
   widget = GTK_WIDGET (object);
   event_type = gdk_event_get_event_type (event);
+  gdk_event_get_focus_in (event, &focus_in);
 
   if (event_type == GDK_FOCUS_CHANGE)
     {
-      if (event->focus_change.in)
+      if (focus_in)
         {
           if (GTK_IS_WINDOW (widget))
             {
@@ -802,8 +804,9 @@ state_event_watcher (GSignalInvocationHint *hint,
   GtkWidget *widget;
   AtkObject *atk_obj;
   AtkObject *parent;
-  GdkEventWindowState *event;
+  GdkEvent *event;
   const char *signal_name;
+  GdkWindowState changed, new_state;
 
   object = g_value_get_object (param_values + 0);
   if (!GTK_IS_WINDOW (object))
@@ -814,11 +817,13 @@ state_event_watcher (GSignalInvocationHint *hint,
     return FALSE;
   widget = GTK_WIDGET (object);
 
-  if (event->new_window_state & GDK_WINDOW_STATE_MAXIMIZED)
+  gdk_event_get_window_state (event, &changed, &new_state);
+
+  if (new_state & GDK_WINDOW_STATE_MAXIMIZED)
     signal_name = "maximize";
-  else if (event->new_window_state & GDK_WINDOW_STATE_ICONIFIED)
+  else if (new_state & GDK_WINDOW_STATE_ICONIFIED)
     signal_name = "minimize";
-  else if (event->new_window_state == 0)
+  else if (new_state == 0)
     signal_name = "restore";
   else
     return TRUE;
@@ -889,11 +894,13 @@ window_focus (GtkWidget     *widget,
               GdkEventFocus *event)
 {
   AtkObject *atk_obj;
+  gboolean focus_in;
 
   g_return_val_if_fail (GTK_IS_WIDGET (widget), FALSE);
 
+  gdk_event_get_focus_in ((GdkEvent *)event, &focus_in);
   atk_obj = gtk_widget_get_accessible (widget);
-  g_signal_emit_by_name (atk_obj, event->in ? "activate" : "deactivate");
+  g_signal_emit_by_name (atk_obj, focus_in ? "activate" : "deactivate");
 
   return FALSE;
 }
diff --git a/gtk/a11y/gtkaccessibilityutil.c b/gtk/a11y/gtkaccessibilityutil.c
index df6deb8..926e390 100644
--- a/gtk/a11y/gtkaccessibilityutil.c
+++ b/gtk/a11y/gtkaccessibilityutil.c
@@ -112,25 +112,37 @@ static void
 atk_key_event_from_gdk_event_key (GdkEventKey       *key,
                                   AtkKeyEventStruct *event)
 {
-  if (key->type == GDK_KEY_PRESS)
+  GdkEventType type;
+  GdkModifierType state;
+  guint keyval;
+  guint16 keycode;
+  const char *string;
+
+  type = gdk_event_get_event_type ((GdkEvent *)key);
+  gdk_event_get_state ((GdkEvent *)key, &state);
+  gdk_event_get_keyval ((GdkEvent *)key, &keyval);
+  gdk_event_get_keycode ((GdkEvent *)key, &keycode);
+  gdk_event_get_string ((GdkEvent *)key, &string);
+
+  if (type == GDK_KEY_PRESS)
     event->type = ATK_KEY_EVENT_PRESS;
-  else if (key->type == GDK_KEY_RELEASE)
+  else if (type == GDK_KEY_RELEASE)
     event->type = ATK_KEY_EVENT_RELEASE;
   else
     g_assert_not_reached ();
 
-  event->state = key->state;
-  event->keyval = key->keyval;
-  event->length = key->length;
-  if (key->string && key->string[0] &&
-      (key->state & GDK_CONTROL_MASK ||
-       g_unichar_isgraph (g_utf8_get_char (key->string))))
-    event->string = key->string;
+  event->state = state;
+  event->keyval = keyval;
+  if (string && string[0] &&
+      (state & GDK_CONTROL_MASK ||
+       g_unichar_isgraph (g_utf8_get_char (string))))
+    event->string = string;
   else
-    event->string = gdk_keyval_name (key->keyval);
+    event->string = gdk_keyval_name (keyval);
 
-  event->keycode = key->hardware_keycode;
-  event->timestamp = key->time;
+  event->length = strlen (string);
+  event->keycode = keycode;
+  event->timestamp = gdk_event_get_time ((GdkEvent *)key);
 }
 
 gboolean