elput: Add API function to calibrate input devices

This adds an API function that can be called to calibrate input
devices based on a given output size

@feature

Signed-off-by: Chris Michael <cpmichael@osg.samsung.com>

4 files changed, 52 insertions, 1 deletions

diff --git a/src/lib/elput/Elput.h b/src/lib/elput/Elput.h
index ce3ad98217..8d3d6f6669 100644
--- a/src/lib/elput/Elput.h
+++ b/src/lib/elput/Elput.h
@@ -339,6 +339,18 @@ EAPI const Eina_List *elput_input_devices_get(Elput_Seat *seat);
  */
 EAPI void elput_input_pointer_max_set(Elput_Manager *manager, int maxw, int maxh);
 
+/**
+ * Calibrate input devices for given screen size
+ *
+ * @param manager
+ * @param w
+ * @param h
+ *
+ * @ingroup Elput_Input_Group
+ * @since 1.18
+ */
+EAPI void elput_input_devices_calibrate(Elput_Manager *manager, int w, int h);
+
 # endif
 
 # undef EAPI
diff --git a/src/lib/elput/elput_evdev.c b/src/lib/elput/elput_evdev.c
index 416c02f45d..82768d6b35 100644
--- a/src/lib/elput/elput_evdev.c
+++ b/src/lib/elput/elput_evdev.c
@@ -1120,7 +1120,7 @@ _touch_motion(struct libinput_device *idevice, struct libinput_event_touch *even
    _touch_motion_send(dev, event);
 }
 
-static void
+void
 _evdev_device_calibrate(Elput_Device *dev)
 {
    float cal[6];
diff --git a/src/lib/elput/elput_input.c b/src/lib/elput/elput_input.c
index 64431bb354..b427c38ed1 100644
--- a/src/lib/elput/elput_input.c
+++ b/src/lib/elput/elput_input.c
@@ -288,6 +288,14 @@ _elput_input_init_end(void *data, Ecore_Thread *eth EINA_UNUSED)
         libinput_unref(manager->input.lib);
         manager->input.lib = NULL;
      }
+
+   if ((manager->pending_ptr_x) || (manager->pending_ptr_y))
+     {
+        elput_input_pointer_xy_set(manager, NULL, manager->pending_ptr_x,
+                                   manager->pending_ptr_y);
+        manager->pending_ptr_x = 0;
+        manager->pending_ptr_y = 0;
+     }
 }
 
 static void
@@ -398,6 +406,13 @@ elput_input_pointer_xy_set(Elput_Manager *manager, const char *seat, int x, int
    /* if no seat name is passed in, just use default seat name */
    if (!seat) seat = "seat0";
 
+   if (eina_list_count(manager->input.seats) < 1)
+     {
+        manager->pending_ptr_x = x;
+        manager->pending_ptr_y = y;
+        return;
+     }
+
    EINA_LIST_FOREACH(manager->input.seats, l, eseat)
      {
         if (!eseat->ptr) continue;
@@ -475,3 +490,23 @@ elput_input_pointer_max_set(Elput_Manager *manager, int maxw, int maxh)
    manager->input.pointer_w = maxw;
    manager->input.pointer_h = maxh;
 }
+
+EAPI void
+elput_input_devices_calibrate(Elput_Manager *manager, int w, int h)
+{
+   Elput_Seat *eseat;
+   Elput_Device *edev;
+   Eina_List *l, *ll;
+
+   EINA_SAFETY_ON_NULL_RETURN(manager);
+
+   EINA_LIST_FOREACH(manager->input.seats, l, eseat)
+     {
+        EINA_LIST_FOREACH(eseat->devices, ll, edev)
+          {
+             edev->ow = w;
+             edev->oh = h;
+             _evdev_device_calibrate(edev);
+          }
+     }
+}
diff --git a/src/lib/elput/elput_private.h b/src/lib/elput/elput_private.h
index 0e0edd1774..dc34f24099 100644
--- a/src/lib/elput/elput_private.h
+++ b/src/lib/elput/elput_private.h
@@ -232,6 +232,9 @@ struct _Elput_Manager
    Ecore_Event_Handler *vt_hdlr;
    uint32_t window;
 
+   int pending_ptr_x;
+   int pending_ptr_y;
+
    struct
      {
         char *path;
@@ -261,6 +264,7 @@ void _evdev_keyboard_destroy(Elput_Keyboard *kbd);
 void _evdev_pointer_destroy(Elput_Pointer *ptr);
 void _evdev_touch_destroy(Elput_Touch *touch);
 void _evdev_pointer_motion_send(Elput_Device *edev);
+void _evdev_device_calibrate(Elput_Device *dev);
 
 Elput_Pointer *_evdev_pointer_get(Elput_Seat *seat);
 Elput_Keyboard *_evdev_keyboard_get(Elput_Seat *seat);