[gtk+] Add more GdkEvents API

[Carlos Garnacho <carlosg src gnome org>]

commit 66d8483fdfd0b1065675e73b84445a41a103315d
Author: Matthias Clasen <mclasen redhat com>
Date:   Sat Aug 26 10:50:15 2017 -0400

    Add more GdkEvents API

 gdk/gdkevents.c |  274 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 gdk/gdkevents.h |   63 ++++++++++++-
 2 files changed, 335 insertions(+), 2 deletions(-)
---
diff --git a/gdk/gdkevents.c b/gdk/gdkevents.c
index da560c7..72c2cbb 100644
--- a/gdk/gdkevents.c
+++ b/gdk/gdkevents.c
@@ -1375,6 +1375,15 @@ gdk_event_get_keyval (const GdkEvent *event,
   return fetched;
 }
 
+void
+gdk_event_set_keyval (GdkEvent *event,
+                      guint     keyval)
+{
+  if (event->type == GDK_KEY_PRESS ||
+      event->type == GDK_KEY_RELEASE)
+    event->key.keyval = keyval;
+}
+
 /**
  * gdk_event_get_keycode:
  * @event: a #GdkEvent
@@ -2787,3 +2796,268 @@ gdk_event_get_touchpad_gesture_n_fingers (const GdkEvent *event,
 
   return FALSE;
 }
+
+gboolean
+gdk_event_get_touchpad_deltas (const GdkEvent *event,
+                               double         *dx,
+                               double         *dy)
+{
+  if (!event)
+    return FALSE;
+
+  if (event->type == GDK_TOUCHPAD_PINCH)
+    {
+      *dx = event->touchpad_pinch.dx;
+      *dy = event->touchpad_pinch.dy;
+      return TRUE;
+    }
+  else if (event->type == GDK_TOUCHPAD_SWIPE)
+    {
+      *dx = event->touchpad_swipe.dx;
+      *dy = event->touchpad_swipe.dy;
+      return TRUE;
+    }
+
+  return FALSE;
+}
+
+gboolean
+gdk_event_get_touchpad_angle_delta (const GdkEvent *event,
+                                    double         *delta)
+{
+  if (!event)
+    return FALSE;
+
+  if (event->type == GDK_TOUCHPAD_PINCH)
+    {
+      *delta = event->touchpad_pinch.angle_delta;
+      return TRUE;
+    }
+
+  return FALSE;
+}
+
+gboolean
+gdk_event_get_touchpad_scale (const GdkEvent *event,
+                              double         *scale)
+{
+  if (!event)
+    return FALSE;
+
+  if (event->type == GDK_TOUCHPAD_PINCH)
+    {
+      *scale = event->touchpad_pinch.scale;
+      return TRUE;
+    }
+
+  return FALSE;
+}
+
+gboolean
+gdk_event_get_touch_emulating_pointer (const GdkEvent *event,
+                                       gboolean       *emulating)
+{
+  if (!event)
+    return FALSE;
+
+  if (event->type == GDK_TOUCH_BEGIN ||
+      event->type == GDK_TOUCH_UPDATE ||
+      event->type == GDK_TOUCH_END)
+    {
+      *emulating = event->touch.emulating_pointer;
+      return TRUE;
+    }
+
+  return FALSE;
+}
+
+gboolean
+gdk_event_get_grab_window (const GdkEvent  *event,
+                           GdkWindow      **window)
+{
+  if (!event)
+    return FALSE;
+
+  if (event->type == GDK_GRAB_BROKEN)
+    {
+      *window = event->grab_broken.grab_window;
+      return TRUE;
+    }
+
+  return FALSE;
+}
+
+gboolean
+gdk_event_get_window_state (const GdkEvent *event,
+                            GdkWindowState *changed,
+                            GdkWindowState *new_state)
+
+{
+  if (!event)
+    return FALSE;
+
+  if (event->type == GDK_WINDOW_STATE)
+    {
+      *changed = event->window_state.changed_mask;
+      *new_state = event->window_state.new_window_state;
+      return TRUE;
+    }
+
+  return FALSE;
+}
+
+gboolean
+gdk_event_get_focus_in (const GdkEvent *event,
+                        gboolean       *focus_in)
+{
+  if (!event)
+    return FALSE;
+
+  if (event->type == GDK_FOCUS_CHANGE)
+    {
+      *focus_in = event->focus_change.in;
+      return TRUE;
+    }
+
+  return FALSE;
+}
+
+gboolean
+gdk_event_get_pad_group_mode (const GdkEvent *event,
+                              guint          *group,
+                              guint          *mode)
+{
+  if (!event)
+    return FALSE;
+
+  if (event->type == GDK_PAD_GROUP_MODE)
+    {
+      *group = event->pad_group_mode.group;
+      *mode = event->pad_group_mode.mode;
+      return TRUE;
+    }
+  else if (event->type == GDK_PAD_BUTTON_PRESS ||
+           event->type == GDK_PAD_BUTTON_RELEASE)
+    {
+      *group = event->pad_button.group;
+      *mode = event->pad_button.mode;
+      return TRUE;
+    }
+  else if (event->type == GDK_PAD_RING ||
+           event->type == GDK_PAD_STRIP)
+    {
+      *group = event->pad_axis.group;
+      *mode = event->pad_axis.mode;
+      return TRUE;
+    }
+
+  return FALSE;
+}
+
+gboolean
+gdk_event_get_pad_button (const GdkEvent *event,
+                          guint          *button)
+{
+  if (!event)
+    return FALSE;
+
+  if (event->type == GDK_PAD_BUTTON_PRESS ||
+      event->type == GDK_PAD_BUTTON_RELEASE)
+    {
+      *button = event->pad_button.button;
+      return TRUE;
+    }
+
+  return FALSE;
+}
+
+gboolean
+gdk_event_get_pad_axis_value (const GdkEvent *event,
+                              guint          *index,
+                              gdouble        *value)
+{
+  if (!event)
+    return FALSE;
+
+  if (event->type == GDK_PAD_RING ||
+      event->type == GDK_PAD_STRIP)
+    {
+      *index = event->pad_axis.index;
+      *value = event->pad_axis.value;
+      return TRUE;
+    }
+
+  return FALSE;
+}
+
+gboolean
+gdk_event_get_property (const GdkEvent   *event,
+                        GdkAtom          *property,
+                        GdkPropertyState *state)
+{
+  if (!event)
+    return FALSE;
+
+  if (event->type == GDK_PROPERTY_NOTIFY)
+    {
+      *property = event->property.atom;
+      *state = event->property.state;
+      return TRUE;
+    }
+
+  return FALSE;
+}
+
+gboolean
+gdk_event_get_selection (const GdkEvent   *event,
+                         GdkAtom          *selection)
+{
+  if (!event)
+    return FALSE;
+
+  if (event->type == GDK_SELECTION_CLEAR ||
+      event->type == GDK_SELECTION_NOTIFY ||
+      event->type == GDK_SELECTION_REQUEST)
+    {
+      *selection = event->selection.selection;
+      return TRUE;
+    }
+
+  return FALSE;
+}
+
+gboolean
+gdk_event_get_selection_property (const GdkEvent  *event,
+                                  GdkAtom         *property,
+                                  GdkAtom         *target,
+                                  GdkWindow      **requestor)
+{
+  if (!event)
+    return FALSE;
+
+  if (event->type == GDK_SELECTION_CLEAR ||
+      event->type == GDK_SELECTION_NOTIFY ||
+      event->type == GDK_SELECTION_REQUEST)
+    {
+      if (property)
+        *property = event->selection.property;
+      if (target)
+        *target = event->selection.target;
+      if (requestor)
+        *requestor = event->selection.requestor;
+      return TRUE;
+    }
+
+  return FALSE;
+}
+
+void
+gdk_event_set_selection (GdkEvent  *event,
+                         GdkWindow *window,
+                         GdkAtom    selection,
+                         guint32    time)
+{
+  event->selection.window = g_object_ref (window);
+  event->selection.selection = selection;
+  event->selection.time = time;
+}
diff --git a/gdk/gdkevents.h b/gdk/gdkevents.h
index bfefc9c..fc158f7 100644
--- a/gdk/gdkevents.h
+++ b/gdk/gdkevents.h
@@ -636,6 +636,11 @@ gboolean  gdk_event_get_click_count     (const GdkEvent *event,
 GDK_AVAILABLE_IN_3_2
 gboolean  gdk_event_get_keyval          (const GdkEvent *event,
                                          guint          *keyval);
+
+GDK_AVAILABLE_IN_3_92
+void      gdk_event_set_keyval          (GdkEvent *event,
+                                         guint     keyval);
+
 GDK_AVAILABLE_IN_3_2
 gboolean  gdk_event_get_keycode         (const GdkEvent *event,
                                          guint16        *keycode);
@@ -760,8 +765,62 @@ GDK_AVAILABLE_IN_3_92
 gboolean       gdk_event_get_touchpad_gesture_phase (const GdkEvent          *event,
                                                      GdkTouchpadGesturePhase *phase);
 GDK_AVAILABLE_IN_3_92
-gboolean       gdk_event_get_touchpad_gesture_n_fingers(const GdkEvent *event,
-                                                        guint          *n_fingers);
+gboolean       gdk_event_get_touchpad_gesture_n_fingers (const GdkEvent *event,
+                                                         guint          *n_fingers);
+GDK_AVAILABLE_IN_3_92
+gboolean       gdk_event_get_touchpad_deltas (const GdkEvent *event,
+                                              double         *dx,
+                                              double         *dy);
+GDK_AVAILABLE_IN_3_92
+gboolean       gdk_event_get_touchpad_angle_delta (const GdkEvent *event,
+                                                   double         *delta);
+GDK_AVAILABLE_IN_3_92
+gboolean       gdk_event_get_touchpad_scale (const GdkEvent *event,
+                                             double         *scale);
+
+GDK_AVAILABLE_IN_3_92
+gboolean       gdk_event_get_touch_emulating_pointer (const GdkEvent *event,
+                                                      gboolean       *emulating);
+GDK_AVAILABLE_IN_3_92
+gboolean       gdk_event_get_grab_window (const GdkEvent  *event,
+                                          GdkWindow      **window);
+GDK_AVAILABLE_IN_3_92
+gboolean       gdk_event_get_window_state (const GdkEvent  *event,
+                                           GdkWindowState  *changed,
+                                           GdkWindowState  *new_state);
+GDK_AVAILABLE_IN_3_92
+gboolean       gdk_event_get_focus_in (const GdkEvent *event,
+                                       gboolean       *focus_in);
+GDK_AVAILABLE_IN_3_92
+gboolean       gdk_event_get_pad_group_mode (const GdkEvent *event,
+                                             guint          *group,
+                                             guint          *mode);
+GDK_AVAILABLE_IN_3_92
+gboolean       gdk_event_get_pad_button (const GdkEvent *event,
+                                         guint          *button);
+GDK_AVAILABLE_IN_3_92
+gboolean       gdk_event_get_pad_axis_value (const GdkEvent *event,
+                                             guint          *index,
+                                             gdouble        *value);
+GDK_AVAILABLE_IN_3_92
+gboolean       gdk_event_get_property (const GdkEvent   *event,
+                                       GdkAtom          *property,
+                                       GdkPropertyState *state);
+GDK_AVAILABLE_IN_3_92
+gboolean       gdk_event_get_selection (const GdkEvent   *event,
+                                        GdkAtom          *selection);
+GDK_AVAILABLE_IN_3_92
+gboolean       gdk_event_get_selection_property (const GdkEvent  *event,
+                                                 GdkAtom         *property,
+                                                 GdkAtom         *target,
+                                                 GdkWindow      **requestor);
+GDK_AVAILABLE_IN_3_92
+void           gdk_event_set_selection (GdkEvent  *event,
+                                        GdkWindow *window,
+                                        GdkAtom    selection,
+                                        guint32    time);
+
+
 
 G_END_DECLS