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[gtk+] gesture: Update to using GdkEvent API

commit 7545b908dede007c663eefbd52cdbc7131bf7628
Author: Carlos Garnacho <carlosg gnome org>
Date:   Fri Aug 25 16:47:11 2017 +0200

    gesture: Update to using GdkEvent API
    
    To some extent, pad and touchpad gesture events need extra API.

 gtk/gtkgesture.c           |   77 +++++++++++++++++++++++++++----------------
 gtk/gtkgesturedrag.c       |    2 +-
 gtk/gtkgesturelongpress.c  |   11 ++++--
 gtk/gtkgesturemultipress.c |    8 +++--
 gtk/gtkgesturerotate.c     |    6 ++--
 gtk/gtkgesturesingle.c     |   27 +++++++++------
 gtk/gtkgestureswipe.c      |    2 +-
 gtk/gtkgesturezoom.c       |    4 +-
 gtk/gtkpadcontroller.c     |   22 +++++++------
 9 files changed, 96 insertions(+), 63 deletions(-)
---
diff --git a/gtk/gtkgesture.c b/gtk/gtkgesture.c
index d8885ea..7cf5b0f 100644
--- a/gtk/gtkgesture.c
+++ b/gtk/gtkgesture.c
@@ -233,6 +233,7 @@ _gtk_gesture_get_n_touchpad_points (GtkGesture *gesture,
 {
   GtkGesturePrivate *priv;
   PointData *data;
+  GdkEventType event_type;
 
   priv = gtk_gesture_get_instance_private (gesture);
 
@@ -244,15 +245,17 @@ _gtk_gesture_get_n_touchpad_points (GtkGesture *gesture,
   if (!data)
     return 0;
 
+  event_type = gdk_event_get_event_type (data->event);
+
   if (only_active &&
       (data->state == GTK_EVENT_SEQUENCE_DENIED ||
-       (data->event->type == GDK_TOUCHPAD_SWIPE &&
+       (event_type == GDK_TOUCHPAD_SWIPE &&
         data->event->touchpad_swipe.phase == GDK_TOUCHPAD_GESTURE_PHASE_END) ||
-       (data->event->type == GDK_TOUCHPAD_PINCH &&
+       (event_type == GDK_TOUCHPAD_PINCH &&
         data->event->touchpad_pinch.phase == GDK_TOUCHPAD_GESTURE_PHASE_END)))
     return 0;
 
-  switch (data->event->type)
+  switch (event_type)
     {
     case GDK_TOUCHPAD_SWIPE:
       return data->event->touchpad_swipe.n_fingers;
@@ -271,16 +274,19 @@ _gtk_gesture_get_n_touch_points (GtkGesture *gesture,
   GHashTableIter iter;
   guint n_points = 0;
   PointData *data;
+  GdkEventType event_type;
 
   priv = gtk_gesture_get_instance_private (gesture);
   g_hash_table_iter_init (&iter, priv->points);
 
   while (g_hash_table_iter_next (&iter, NULL, (gpointer *) &data))
     {
+      event_type = gdk_event_get_event_type (data->event);
+
       if (only_active &&
           (data->state == GTK_EVENT_SEQUENCE_DENIED ||
-           data->event->type == GDK_TOUCH_END ||
-           data->event->type == GDK_BUTTON_RELEASE))
+           event_type == GDK_TOUCH_END ||
+           event_type == GDK_BUTTON_RELEASE))
         continue;
 
       n_points++;
@@ -385,11 +391,14 @@ static void
 _update_touchpad_deltas (PointData *data)
 {
   GdkEvent *event = data->event;
+  GdkEventType event_type;
 
   if (!event)
     return;
 
-  if (event->type == GDK_TOUCHPAD_SWIPE)
+  event_type = gdk_event_get_event_type (event);
+
+  if (event_type == GDK_TOUCHPAD_SWIPE)
     {
       if (event->touchpad_swipe.phase == GDK_TOUCHPAD_GESTURE_PHASE_BEGIN)
         data->accum_dx = data->accum_dy = 0;
@@ -399,7 +408,7 @@ _update_touchpad_deltas (PointData *data)
           data->accum_dy += event->touchpad_swipe.dy;
         }
     }
-  else if (event->type == GDK_TOUCHPAD_PINCH)
+  else if (event_type == GDK_TOUCHPAD_PINCH)
     {
       if (event->touchpad_pinch.phase == GDK_TOUCHPAD_GESTURE_PHASE_BEGIN)
         data->accum_dx = data->accum_dy = 0;
@@ -639,6 +648,7 @@ gtk_gesture_handle_event (GtkEventController *controller,
   GtkGesturePrivate *priv;
   GdkDevice *source_device;
   gboolean was_recognized;
+  GdkEventType event_type;
 
   source_device = gdk_event_get_source_device (event);
 
@@ -648,15 +658,16 @@ gtk_gesture_handle_event (GtkEventController *controller,
   priv = gtk_gesture_get_instance_private (gesture);
   sequence = gdk_event_get_event_sequence (event);
   was_recognized = gtk_gesture_is_recognized (gesture);
+  event_type = gdk_event_get_event_type (event);
 
   if (gtk_gesture_get_sequence_state (gesture, sequence) != GTK_EVENT_SEQUENCE_DENIED)
     priv->last_sequence = sequence;
 
-  if (event->type == GDK_BUTTON_PRESS ||
-      event->type == GDK_TOUCH_BEGIN ||
-      (event->type == GDK_TOUCHPAD_SWIPE &&
+  if (event_type == GDK_BUTTON_PRESS ||
+      event_type == GDK_TOUCH_BEGIN ||
+      (event_type == GDK_TOUCHPAD_SWIPE &&
        event->touchpad_swipe.phase == GDK_TOUCHPAD_GESTURE_PHASE_BEGIN) ||
-      (event->type == GDK_TOUCHPAD_PINCH &&
+      (event_type == GDK_TOUCHPAD_PINCH &&
        event->touchpad_pinch.phase == GDK_TOUCHPAD_GESTURE_PHASE_BEGIN))
     {
       if (_gtk_gesture_update_point (gesture, event, TRUE))
@@ -686,11 +697,11 @@ gtk_gesture_handle_event (GtkEventController *controller,
             }
         }
     }
-  else if (event->type == GDK_BUTTON_RELEASE ||
-           event->type == GDK_TOUCH_END ||
-           (event->type == GDK_TOUCHPAD_SWIPE &&
+  else if (event_type == GDK_BUTTON_RELEASE ||
+           event_type == GDK_TOUCH_END ||
+           (event_type == GDK_TOUCHPAD_SWIPE &&
             event->touchpad_swipe.phase == GDK_TOUCHPAD_GESTURE_PHASE_END) ||
-           (event->type == GDK_TOUCHPAD_PINCH &&
+           (event_type == GDK_TOUCHPAD_PINCH &&
             event->touchpad_pinch.phase == GDK_TOUCHPAD_GESTURE_PHASE_END))
     {
       gboolean was_claimed;
@@ -709,14 +720,14 @@ gtk_gesture_handle_event (GtkEventController *controller,
 
       return was_claimed && was_recognized;
     }
-  else if (event->type == GDK_MOTION_NOTIFY ||
-           event->type == GDK_TOUCH_UPDATE ||
-           (event->type == GDK_TOUCHPAD_SWIPE &&
+  else if (event_type == GDK_MOTION_NOTIFY ||
+           event_type == GDK_TOUCH_UPDATE ||
+           (event_type == GDK_TOUCHPAD_SWIPE &&
             event->touchpad_swipe.phase == GDK_TOUCHPAD_GESTURE_PHASE_UPDATE) ||
-           (event->type == GDK_TOUCHPAD_PINCH &&
+           (event_type == GDK_TOUCHPAD_PINCH &&
             event->touchpad_pinch.phase == GDK_TOUCHPAD_GESTURE_PHASE_UPDATE))
     {
-      if (event->type == GDK_MOTION_NOTIFY)
+      if (event_type == GDK_MOTION_NOTIFY)
         {
           if ((event->motion.state & BUTTONS_MASK) == 0)
             return FALSE;
@@ -729,20 +740,20 @@ gtk_gesture_handle_event (GtkEventController *controller,
           _gtk_gesture_check_recognized (gesture, sequence))
         g_signal_emit (gesture, signals[UPDATE], 0, sequence);
     }
-  else if (event->type == GDK_TOUCH_CANCEL)
+  else if (event_type == GDK_TOUCH_CANCEL)
     {
       if (!priv->touchpad)
         _gtk_gesture_cancel_sequence (gesture, sequence);
     }
-  else if ((event->type == GDK_TOUCHPAD_SWIPE &&
+  else if ((event_type == GDK_TOUCHPAD_SWIPE &&
             event->touchpad_swipe.phase == GDK_TOUCHPAD_GESTURE_PHASE_CANCEL) ||
-           (event->type == GDK_TOUCHPAD_PINCH &&
+           (event_type == GDK_TOUCHPAD_PINCH &&
             event->touchpad_pinch.phase == GDK_TOUCHPAD_GESTURE_PHASE_CANCEL))
     {
       if (priv->touchpad)
         _gtk_gesture_cancel_sequence (gesture, sequence);
     }
-  else if (event->type == GDK_GRAB_BROKEN)
+  else if (event_type == GDK_GRAB_BROKEN)
     {
       if (!event->grab_broken.grab_window ||
           !gesture_within_window (gesture, event->grab_broken.grab_window))
@@ -1139,6 +1150,7 @@ gtk_gesture_get_sequences (GtkGesture *gesture)
   GList *sequences = NULL;
   GHashTableIter iter;
   PointData *data;
+  GdkEventType event_type;
 
   g_return_val_if_fail (GTK_IS_GESTURE (gesture), NULL);
 
@@ -1149,8 +1161,11 @@ gtk_gesture_get_sequences (GtkGesture *gesture)
     {
       if (data->state == GTK_EVENT_SEQUENCE_DENIED)
         continue;
-      if (data->event->type == GDK_TOUCH_END ||
-          data->event->type == GDK_BUTTON_RELEASE)
+
+      event_type = gdk_event_get_event_type (data->event);
+
+      if (event_type == GDK_TOUCH_END ||
+          event_type == GDK_BUTTON_RELEASE)
         continue;
 
       sequences = g_list_prepend (sequences, sequence);
@@ -1304,6 +1319,7 @@ gtk_gesture_get_bounding_box (GtkGesture   *gesture,
   GHashTableIter iter;
   guint n_points = 0;
   PointData *data;
+  GdkEventType event_type;
 
   g_return_val_if_fail (GTK_IS_GESTURE (gesture), FALSE);
   g_return_val_if_fail (rect != NULL, FALSE);
@@ -1320,8 +1336,11 @@ gtk_gesture_get_bounding_box (GtkGesture   *gesture,
 
       if (data->state == GTK_EVENT_SEQUENCE_DENIED)
         continue;
-      if (data->event->type == GDK_TOUCH_END ||
-          data->event->type == GDK_BUTTON_RELEASE)
+
+      event_type = gdk_event_get_event_type (data->event);
+
+      if (event_type == GDK_TOUCH_END ||
+          event_type == GDK_BUTTON_RELEASE)
         continue;
 
       gdk_event_get_coords (data->event, &x, &y);
@@ -1660,7 +1679,7 @@ _gtk_gesture_get_pointer_emulating_sequence (GtkGesture        *gesture,
 
   while (g_hash_table_iter_next (&iter, (gpointer*) &seq, (gpointer*) &data))
     {
-      switch (data->event->type)
+      switch (gdk_event_get_event_type (data->event))
         {
         case GDK_TOUCH_BEGIN:
         case GDK_TOUCH_UPDATE:
diff --git a/gtk/gtkgesturedrag.c b/gtk/gtkgesturedrag.c
index 59fdc2a..f82d13d 100644
--- a/gtk/gtkgesturedrag.c
+++ b/gtk/gtkgesturedrag.c
@@ -62,7 +62,7 @@ gtk_gesture_drag_filter_event (GtkEventController *controller,
                                const GdkEvent     *event)
 {
   /* Let touchpad swipe events go through, only if they match n-points  */
-  if (event->type == GDK_TOUCHPAD_SWIPE)
+  if (gdk_event_get_event_type (event) == GDK_TOUCHPAD_SWIPE)
     {
       guint n_points;
 
diff --git a/gtk/gtkgesturelongpress.c b/gtk/gtkgesturelongpress.c
index de4ff79..dfdaca0 100644
--- a/gtk/gtkgesturelongpress.c
+++ b/gtk/gtkgesturelongpress.c
@@ -116,6 +116,7 @@ gtk_gesture_long_press_begin (GtkGesture       *gesture,
 {
   GtkGestureLongPressPrivate *priv;
   const GdkEvent *event;
+  GdkEventType event_type;
   GtkWidget *widget;
   gint delay;
 
@@ -123,9 +124,13 @@ gtk_gesture_long_press_begin (GtkGesture       *gesture,
   sequence = gtk_gesture_single_get_current_sequence (GTK_GESTURE_SINGLE (gesture));
   event = gtk_gesture_get_last_event (gesture, sequence);
 
-  if (!event ||
-      (event->type != GDK_BUTTON_PRESS &&
-       event->type != GDK_TOUCH_BEGIN))
+  if (!event)
+    return;
+
+  event_type = gdk_event_get_event_type (event);
+
+  if (event_type != GDK_BUTTON_PRESS &&
+      event_type != GDK_TOUCH_BEGIN)
     return;
 
   widget = gtk_event_controller_get_widget (GTK_EVENT_CONTROLLER (gesture));
diff --git a/gtk/gtkgesturemultipress.c b/gtk/gtkgesturemultipress.c
index e0816cf..5b96ebe 100644
--- a/gtk/gtkgesturemultipress.c
+++ b/gtk/gtkgesturemultipress.c
@@ -198,6 +198,7 @@ gtk_gesture_multi_press_begin (GtkGesture       *gesture,
   guint n_presses, button = 1;
   GdkEventSequence *current;
   const GdkEvent *event;
+  GdkEventType event_type;
   GdkDevice *device;
   gdouble x, y;
 
@@ -209,10 +210,11 @@ gtk_gesture_multi_press_begin (GtkGesture       *gesture,
   event = gtk_gesture_get_last_event (gesture, sequence);
   current = gtk_gesture_single_get_current_sequence (GTK_GESTURE_SINGLE (gesture));
   device = gdk_event_get_source_device (event);
+  event_type = gdk_event_get_event_type (event);
 
-  if (event->type == GDK_BUTTON_PRESS)
-    button = event->button.button;
-  else if (event->type == GDK_TOUCH_BEGIN)
+  if (event_type == GDK_BUTTON_PRESS)
+    gdk_event_get_button (event, &button);
+  else if (event_type == GDK_TOUCH_BEGIN)
     button = 1;
   else
     return;
diff --git a/gtk/gtkgesturerotate.c b/gtk/gtkgesturerotate.c
index 7a1286e..a04fdd5 100644
--- a/gtk/gtkgesturerotate.c
+++ b/gtk/gtkgesturerotate.c
@@ -96,7 +96,7 @@ _gtk_gesture_rotate_get_angle (GtkGestureRotate *rotate,
 
   last_event = gtk_gesture_get_last_event (gesture, sequences->data);
 
-  if (last_event->type == GDK_TOUCHPAD_PINCH &&
+  if (gdk_event_get_event_type (last_event) == GDK_TOUCHPAD_PINCH &&
       (last_event->touchpad_pinch.phase == GDK_TOUCHPAD_GESTURE_PHASE_BEGIN ||
        last_event->touchpad_pinch.phase == GDK_TOUCHPAD_GESTURE_PHASE_UPDATE ||
        last_event->touchpad_pinch.phase == GDK_TOUCHPAD_GESTURE_PHASE_END))
@@ -169,7 +169,7 @@ gtk_gesture_rotate_filter_event (GtkEventController *controller,
                                  const GdkEvent     *event)
 {
   /* Let 2-finger touchpad pinch events go through */
-  if (event->type == GDK_TOUCHPAD_PINCH)
+  if (gdk_event_get_event_type (event) == GDK_TOUCHPAD_PINCH)
     {
       if (event->touchpad_pinch.n_fingers == 2)
         return FALSE;
@@ -189,7 +189,7 @@ gtk_gesture_rotate_handle_event (GtkEventController *controller,
 
   priv = gtk_gesture_rotate_get_instance_private (rotate);
 
-  if (event->type == GDK_TOUCHPAD_PINCH)
+  if (gdk_event_get_event_type (event) == GDK_TOUCHPAD_PINCH)
     {
       if (event->touchpad_pinch.phase == GDK_TOUCHPAD_GESTURE_PHASE_BEGIN ||
           event->touchpad_pinch.phase == GDK_TOUCHPAD_GESTURE_PHASE_END)
diff --git a/gtk/gtkgesturesingle.c b/gtk/gtkgesturesingle.c
index 7e3a5e8..edf13c7 100644
--- a/gtk/gtkgesturesingle.c
+++ b/gtk/gtkgesturesingle.c
@@ -137,8 +137,9 @@ gtk_gesture_single_handle_event (GtkEventController *controller,
   GtkGestureSinglePrivate *priv;
   GdkDevice *source_device;
   GdkInputSource source;
-  guint button = 0, i;
+  guint button = 0, state, i;
   gboolean retval, test_touchscreen = FALSE;
+  GdkEventType event_type;
 
   source_device = gdk_event_get_source_device (event);
 
@@ -151,7 +152,9 @@ gtk_gesture_single_handle_event (GtkEventController *controller,
   if (source != GDK_SOURCE_TOUCHSCREEN)
     test_touchscreen = gtk_simulate_touchscreen ();
 
-  switch (event->type)
+  event_type = gdk_event_get_event_type (event);
+
+  switch (event_type)
     {
     case GDK_TOUCH_BEGIN:
     case GDK_TOUCH_END:
@@ -159,7 +162,7 @@ gtk_gesture_single_handle_event (GtkEventController *controller,
       if (priv->exclusive && !event->touch.emulating_pointer)
         return FALSE;
 
-      sequence = event->touch.sequence;
+      sequence = gdk_event_get_event_sequence (event);
       button = 1;
       break;
     case GDK_BUTTON_PRESS:
@@ -167,23 +170,25 @@ gtk_gesture_single_handle_event (GtkEventController *controller,
       if (priv->touch_only && !test_touchscreen && source != GDK_SOURCE_TOUCHSCREEN)
         return FALSE;
 
-      button = event->button.button;
+      gdk_event_get_button (event, &button);
       break;
     case GDK_MOTION_NOTIFY:
       if (!gtk_gesture_handles_sequence (GTK_GESTURE (controller), sequence))
         return FALSE;
       if (priv->touch_only && !test_touchscreen && source != GDK_SOURCE_TOUCHSCREEN)
         return FALSE;
+      if (!gdk_event_get_state (event, &state))
+        return FALSE;
 
       if (priv->current_button > 0 && priv->current_button <= 5 &&
-          (event->motion.state & (GDK_BUTTON1_MASK << (priv->current_button - 1))))
+          (state & (GDK_BUTTON1_MASK << (priv->current_button - 1))))
         button = priv->current_button;
       else if (priv->current_button == 0)
         {
           /* No current button, find out from the mask */
           for (i = 0; i < 3; i++)
             {
-              if ((event->motion.state & (GDK_BUTTON1_MASK << i)) == 0)
+              if ((state & (GDK_BUTTON1_MASK << i)) == 0)
                 continue;
               button = i + 1;
               break;
@@ -210,8 +215,8 @@ gtk_gesture_single_handle_event (GtkEventController *controller,
       return FALSE;
     }
 
-  if (event->type == GDK_BUTTON_PRESS || event->type == GDK_TOUCH_BEGIN ||
-      event->type == GDK_MOTION_NOTIFY || event->type == GDK_TOUCH_UPDATE)
+  if (event_type == GDK_BUTTON_PRESS || event_type == GDK_TOUCH_BEGIN ||
+      event_type == GDK_MOTION_NOTIFY || event_type == GDK_TOUCH_UPDATE)
     {
       if (!gtk_gesture_is_active (GTK_GESTURE (controller)))
         priv->current_sequence = sequence;
@@ -222,14 +227,14 @@ gtk_gesture_single_handle_event (GtkEventController *controller,
   retval = GTK_EVENT_CONTROLLER_CLASS (gtk_gesture_single_parent_class)->handle_event (controller, event);
 
   if (sequence == priv->current_sequence &&
-      (event->type == GDK_BUTTON_RELEASE || event->type == GDK_TOUCH_END))
+      (event_type == GDK_BUTTON_RELEASE || event_type == GDK_TOUCH_END))
     priv->current_button = 0;
   else if (priv->current_sequence == sequence &&
            !gtk_gesture_handles_sequence (GTK_GESTURE (controller), sequence))
     {
-      if (button == priv->current_button && event->type == GDK_BUTTON_PRESS)
+      if (button == priv->current_button && event_type == GDK_BUTTON_PRESS)
         priv->current_button = 0;
-      else if (sequence == priv->current_sequence && event->type == GDK_TOUCH_BEGIN)
+      else if (sequence == priv->current_sequence && event_type == GDK_TOUCH_BEGIN)
         priv->current_sequence = NULL;
     }
 
diff --git a/gtk/gtkgestureswipe.c b/gtk/gtkgestureswipe.c
index 9713226..bcdd2d1 100644
--- a/gtk/gtkgestureswipe.c
+++ b/gtk/gtkgestureswipe.c
@@ -83,7 +83,7 @@ gtk_gesture_swipe_filter_event (GtkEventController *controller,
                                 const GdkEvent     *event)
 {
   /* Let touchpad swipe events go through, only if they match n-points  */
-  if (event->type == GDK_TOUCHPAD_SWIPE)
+  if (gdk_event_get_event_type (event) == GDK_TOUCHPAD_SWIPE)
     {
       guint n_points;
 
diff --git a/gtk/gtkgesturezoom.c b/gtk/gtkgesturezoom.c
index 8b61b35..cfc2777 100644
--- a/gtk/gtkgesturezoom.c
+++ b/gtk/gtkgesturezoom.c
@@ -93,7 +93,7 @@ _gtk_gesture_zoom_get_distance (GtkGestureZoom *zoom,
 
   last_event = gtk_gesture_get_last_event (gesture, sequences->data);
 
-  if (last_event->type == GDK_TOUCHPAD_PINCH &&
+  if (gdk_event_get_event_type (last_event) == GDK_TOUCHPAD_PINCH &&
       (last_event->touchpad_pinch.phase == GDK_TOUCHPAD_GESTURE_PHASE_BEGIN ||
        last_event->touchpad_pinch.phase == GDK_TOUCHPAD_GESTURE_PHASE_UPDATE ||
        last_event->touchpad_pinch.phase == GDK_TOUCHPAD_GESTURE_PHASE_END))
@@ -143,7 +143,7 @@ gtk_gesture_zoom_filter_event (GtkEventController *controller,
                                const GdkEvent     *event)
 {
   /* Let 2-finger touchpad pinch events go through */
-  if (event->type == GDK_TOUCHPAD_PINCH)
+  if (gdk_event_get_event_type (event) == GDK_TOUCHPAD_PINCH)
     {
       if (event->touchpad_pinch.n_fingers == 2)
         return FALSE;
diff --git a/gtk/gtkpadcontroller.c b/gtk/gtkpadcontroller.c
index e7fedfb..2d420e0 100644
--- a/gtk/gtkpadcontroller.c
+++ b/gtk/gtkpadcontroller.c
@@ -211,12 +211,13 @@ gtk_pad_controller_filter_event (GtkEventController *controller,
                                  const GdkEvent     *event)
 {
   GtkPadController *pad_controller = GTK_PAD_CONTROLLER (controller);
+  GdkEventType event_type = gdk_event_get_event_type (event);
 
-  if (event->type != GDK_PAD_BUTTON_PRESS &&
-      event->type != GDK_PAD_BUTTON_RELEASE &&
-      event->type != GDK_PAD_RING &&
-      event->type != GDK_PAD_STRIP &&
-      event->type != GDK_PAD_GROUP_MODE)
+  if (event_type != GDK_PAD_BUTTON_PRESS &&
+      event_type != GDK_PAD_BUTTON_RELEASE &&
+      event_type != GDK_PAD_RING &&
+      event_type != GDK_PAD_STRIP &&
+      event_type != GDK_PAD_GROUP_MODE)
     return TRUE;
 
   if (pad_controller->pad &&
@@ -231,11 +232,12 @@ gtk_pad_controller_handle_event (GtkEventController *controller,
                                  const GdkEvent     *event)
 {
   GtkPadController *pad_controller = GTK_PAD_CONTROLLER (controller);
+  GdkEventType event_type = gdk_event_get_event_type (event);
   const GtkPadActionEntry *entry;
   GtkPadActionType type;
   gint index, mode;
 
-  if (event->type == GDK_PAD_GROUP_MODE)
+  if (event_type == GDK_PAD_GROUP_MODE)
     {
       gtk_pad_controller_handle_mode_switch (pad_controller,
                                              gdk_event_get_source_device (event),
@@ -244,7 +246,7 @@ gtk_pad_controller_handle_event (GtkEventController *controller,
       return GDK_EVENT_PROPAGATE;
     }
 
-  switch (event->type)
+  switch (event_type)
     {
     case GDK_PAD_BUTTON_PRESS:
       type = GTK_PAD_ACTION_BUTTON;
@@ -253,7 +255,7 @@ gtk_pad_controller_handle_event (GtkEventController *controller,
       break;
     case GDK_PAD_RING:
     case GDK_PAD_STRIP:
-      type = event->type == GDK_PAD_RING ?
+      type = event_type == GDK_PAD_RING ?
         GTK_PAD_ACTION_RING : GTK_PAD_ACTION_STRIP;
       index = event->pad_axis.index;
       mode = event->pad_axis.mode;
@@ -267,8 +269,8 @@ gtk_pad_controller_handle_event (GtkEventController *controller,
   if (!entry)
     return GDK_EVENT_PROPAGATE;
 
-  if (event->type == GDK_PAD_RING ||
-      event->type == GDK_PAD_STRIP)
+  if (event_type == GDK_PAD_RING ||
+      event_type == GDK_PAD_STRIP)
     {
       gtk_pad_controller_activate_action_with_axis (pad_controller, entry,
                                                     event->pad_axis.value);
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