Implement mouse cursors on Android 7.0 and later

* java/org/gnu/emacs/EmacsWindow.java (defineCursor): New
function.
* src/android.c (struct android_emacs_cursor): New struct.
(android_init_emacs_cursor): New function.
(JNICALL): Call it.
(android_create_font_cursor, android_define_cursor)
(android_free_cursor): New functions.
* src/android.h (enum android_handle_type): Add cursor handle
type.
* src/androidfns.c (Fx_create_frame, android_create_tip_frame)
(enum mouse_cursor, struct mouse_cursor_types, mouse_cursor_types)
(struct mouse_cursor_data, android_set_mouse_color)
(syms_of_androidfns):
* src/androidgui.h (enum android_cursor_shape):
* src/androidterm.c (make_invisible_cursor)
(android_toggle_invisible_pointer, android_free_frame_resources)
(android_define_frame_cursor):
* src/androidterm.h (struct android_display_info)
(struct android_output): Port mouse cursor code over from X.

1 files changed, 16 insertions, 0 deletions

diff --git a/java/org/gnu/emacs/EmacsWindow.java b/java/org/gnu/emacs/EmacsWindow.java
index 3569d93136b..6be609edcfe 100644
--- a/java/org/gnu/emacs/EmacsWindow.java
+++ b/java/org/gnu/emacs/EmacsWindow.java
@@ -1222,4 +1222,20 @@ public final class EmacsWindow extends EmacsHandleObject
         }
       });
   }
+
+  public void
+  defineCursor (final EmacsCursor cursor)
+  {
+    /* Don't post this message if pointer icons aren't supported.  */
+
+    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N)
+      view.post (new Runnable () {
+          @Override
+          public void
+          run ()
+          {
+            view.setPointerIcon (cursor.icon);
+          }
+        });
+  }
 };