From ddc6962d775345ccb0eb4590486693efb3564075 Mon Sep 17 00:00:00 2001
From: Derek Foreman <derekf@osg.samsung.com>
Date: Mon, 25 Jan 2016 16:20:18 -0600
Subject: [PATCH] ecore_drm: Add pointer warping API

Adds a new API: ecore_drm_device_pointer_warp() which warps the pointer
to the specified location.  All libinput seats with pointers are warped.
---
 src/lib/ecore_drm/Ecore_Drm.h         | 14 ++++++++++++++
 src/lib/ecore_drm/ecore_drm_device.c  | 24 ++++++++++++++++++++++++
 src/lib/ecore_drm/ecore_drm_evdev.c   |  8 +++++++-
 src/lib/ecore_drm/ecore_drm_private.h |  1 +
 4 files changed, 46 insertions(+), 1 deletion(-)

diff --git a/src/lib/ecore_drm/Ecore_Drm.h b/src/lib/ecore_drm/Ecore_Drm.h
index 8d2787b187..ca11e96855 100644
--- a/src/lib/ecore_drm/Ecore_Drm.h
+++ b/src/lib/ecore_drm/Ecore_Drm.h
@@ -835,6 +835,20 @@ EAPI void ecore_drm_output_gamma_set(Ecore_Drm_Output *output, uint16_t size, ui
  */
 EAPI void ecore_drm_device_pointer_xy_get(Ecore_Drm_Device *dev, int *x, int *y);
 
+/**
+ * Warp the pointer position of Ecore_Drm_Device
+ *
+ * This function will set the pointer position of Ecore_Drm_Device
+ *
+ * @param dev The Ecore_Drm_Device to set pointer position for
+ * @param x The new x co-ordinate
+ * @param y The new y co-ordinate
+ *
+ * @ingroup Ecore_Drm_Device_Group
+ * @since 1.18
+ */
+EAPI void ecore_drm_device_pointer_warp(Ecore_Drm_Device *dev, int x, int y);
+
 /**
  * Get the list of drm devices which are allocated.
  *
diff --git a/src/lib/ecore_drm/ecore_drm_device.c b/src/lib/ecore_drm/ecore_drm_device.c
index 16a7843cd6..95117d2b9d 100644
--- a/src/lib/ecore_drm/ecore_drm_device.c
+++ b/src/lib/ecore_drm/ecore_drm_device.c
@@ -509,6 +509,30 @@ ecore_drm_device_pointer_xy_get(Ecore_Drm_Device *dev, int *x, int *y)
      }
 }
 
+EAPI void
+ecore_drm_device_pointer_warp(Ecore_Drm_Device *dev, int x, int y)
+{
+   Ecore_Drm_Seat *seat;
+   Ecore_Drm_Evdev *edev;
+   Eina_List *l, *ll;
+
+   /* check for valid device */
+   EINA_SAFETY_ON_TRUE_RETURN((!dev) || (dev->drm.fd < 0));
+   EINA_LIST_FOREACH(dev->seats, l, seat)
+     {
+        EINA_LIST_FOREACH(seat->devices, ll, edev)
+          {
+             if (!libinput_device_has_capability(edev->device,
+                                                 LIBINPUT_DEVICE_CAP_POINTER))
+               continue;
+
+             seat->ptr.dx = seat->ptr.ix = x;
+             seat->ptr.dy = seat->ptr.iy = y;
+             _ecore_drm_pointer_motion_post(edev);
+          }
+     }
+}
+
 EAPI Eina_Bool
 ecore_drm_device_software_setup(Ecore_Drm_Device *dev)
 {
diff --git a/src/lib/ecore_drm/ecore_drm_evdev.c b/src/lib/ecore_drm/ecore_drm_evdev.c
index 35534f51ff..cf418f3442 100644
--- a/src/lib/ecore_drm/ecore_drm_evdev.c
+++ b/src/lib/ecore_drm/ecore_drm_evdev.c
@@ -399,7 +399,7 @@ _device_pointer_motion(Ecore_Drm_Evdev *edev, struct libinput_event_pointer *eve
    ev->window = (Ecore_Window)input->dev->window;
    ev->event_window = (Ecore_Window)input->dev->window;
    ev->root_window = (Ecore_Window)input->dev->window;
-   ev->timestamp = libinput_event_pointer_get_time(event);
+   if (event) ev->timestamp = libinput_event_pointer_get_time(event);
    ev->same_screen = 1;
 
    _device_modifiers_update(edev);
@@ -424,6 +424,12 @@ _device_pointer_motion(Ecore_Drm_Evdev *edev, struct libinput_event_pointer *eve
    ecore_event_add(ECORE_EVENT_MOUSE_MOVE, ev, NULL, NULL);
 }
 
+void
+_ecore_drm_pointer_motion_post(Ecore_Drm_Evdev *edev)
+{
+   _device_pointer_motion(edev, NULL);
+}
+
 static void 
 _device_handle_pointer_motion(struct libinput_device *device, struct libinput_event_pointer *event)
 {
diff --git a/src/lib/ecore_drm/ecore_drm_private.h b/src/lib/ecore_drm/ecore_drm_private.h
index b4b0fb244c..21ec098aa5 100644
--- a/src/lib/ecore_drm/ecore_drm_private.h
+++ b/src/lib/ecore_drm/ecore_drm_private.h
@@ -283,6 +283,7 @@ void _ecore_drm_tty_restore(Ecore_Drm_Device *dev);
 Ecore_Drm_Evdev *_ecore_drm_evdev_device_create(Ecore_Drm_Seat *seat, struct libinput_device *device);
 void _ecore_drm_evdev_device_destroy(Ecore_Drm_Evdev *evdev);
 Eina_Bool _ecore_drm_evdev_event_process(struct libinput_event *event);
+void _ecore_drm_pointer_motion_post(Ecore_Drm_Evdev *evdev);
 
 Ecore_Drm_Fb *_ecore_drm_fb_create(Ecore_Drm_Device *dev, int width, int height);
 void _ecore_drm_fb_destroy(Ecore_Drm_Fb *fb);