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Fixes touch events for HTML 

Without this patch, the following exception is thrown when the touch
screen is used: TypeError: e.getBoundingClientRect is not a function.
No touch events arrive in the engine.

From my testing, this PR fixes the issue and behaves as expected.

Tested with godot-demo-projects/misc/multitouch_view/, emscripten 1.39.8
and Firefox mobile emulator as well as FF on Android

(cherry picked from commit 5134317afc)
This commit is contained in:
Christoph Schroeder 2020-02-26 12:03:49 +01:00 committed by Rémi Verschelde
parent a2bc4f0b30
commit 031aed3bb7
1 changed files with 4 additions and 4 deletions
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8
platform/javascript/os_javascript.cpp
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@ -1012,10 +1012,10 @@ Error OS_JavaScript::initialize(const VideoMode &p_desired, int p_video_driver,
SET_EM_CALLBACK(GODOT_CANVAS_SELECTOR, mousedown, mouse_button_callback)
SET_EM_CALLBACK(EMSCRIPTEN_EVENT_TARGET_WINDOW, mouseup, mouse_button_callback)
SET_EM_CALLBACK(EMSCRIPTEN_EVENT_TARGET_WINDOW, wheel, wheel_callback)
SET_EM_CALLBACK(EMSCRIPTEN_EVENT_TARGET_WINDOW, touchstart, touch_press_callback)
SET_EM_CALLBACK(EMSCRIPTEN_EVENT_TARGET_WINDOW, touchmove, touchmove_callback)
SET_EM_CALLBACK(EMSCRIPTEN_EVENT_TARGET_WINDOW, touchend, touch_press_callback)
SET_EM_CALLBACK(EMSCRIPTEN_EVENT_TARGET_WINDOW, touchcancel, touch_press_callback)
SET_EM_CALLBACK(GODOT_CANVAS_SELECTOR, touchstart, touch_press_callback)
SET_EM_CALLBACK(GODOT_CANVAS_SELECTOR, touchmove, touchmove_callback)
SET_EM_CALLBACK(GODOT_CANVAS_SELECTOR, touchend, touch_press_callback)
SET_EM_CALLBACK(GODOT_CANVAS_SELECTOR, touchcancel, touch_press_callback)
SET_EM_CALLBACK(GODOT_CANVAS_SELECTOR, keydown, keydown_callback)
SET_EM_CALLBACK(GODOT_CANVAS_SELECTOR, keypress, keypress_callback)
SET_EM_CALLBACK(GODOT_CANVAS_SELECTOR, keyup, keyup_callback)