1 # This file is part of NIT ( http://www.nitlanguage.org ).
3 # Licensed under the Apache License, Version 2.0 (the "License");
4 # you may not use this file except in compliance with the License.
5 # You may obtain a copy of the License at
7 # http://www.apache.org/licenses/LICENSE-2.0
9 # Unless required by applicable law or agreed to in writing, software
10 # distributed under the License is distributed on an "AS IS" BASIS,
11 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 # See the License for the specific language governing permissions and
13 # limitations under the License.
15 # Support services for Gamnit on GNU/Linux
25 if display
== null then return
27 var events
= display
.sdl_display
.events
28 display
.check_lock_cursor
29 for event
in events
do accept_event
(event
)
33 redef class GamnitDisplay
35 # HACK to keep the cursor in the center of the screen without producing move events
36 private fun check_lock_cursor
38 var sdl_display
= sdl_display
39 if lock_cursor
and sdl_display
.input_focus
then
40 sdl_display
.ignore_mouse_motion_events
= true
41 sdl_display
.warp_mouse
(width
/2, height
/2)
42 sdl_display
.ignore_mouse_motion_events
= false