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Fix support of touchscreens for RPI (#1586) 

-Checks for absolute pressure in absolute events to simulate a touch or a left mouse click.
-Updates touch position on absolute events.
This commit is contained in:
jpe230 2021-02-14 10:36:24 -06:00 committed by GitHub
parent f3df64210b
commit c7476f0aa5
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1 changed files with 33 additions and 4 deletions
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37
src/core.c
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@ -5753,8 +5753,9 @@ static void *EventThread(void *arg)
// Basic movement
if (event.code == ABS_X)
{
CORE.Input.Mouse.position.x = (event.value - worker->absRange.x)*CORE.Window.screen.width/worker->absRange.width; // Scale acording to absRange
CORE.Input.Mouse.position.x = (event.value - worker->absRange.x)*CORE.Window.screen.width/worker->absRange.width; // Scale acording to absRange
CORE.Input.Touch.position[0].x = (event.value - worker->absRange.x)*CORE.Window.screen.width/worker->absRange.width; // Scale acording to absRange
#if defined(SUPPORT_GESTURES_SYSTEM)
touchAction = TOUCH_MOVE;
gestureUpdate = true;
@ -5763,7 +5764,8 @@ static void *EventThread(void *arg)
if (event.code == ABS_Y)
{
CORE.Input.Mouse.position.y = (event.value - worker->absRange.y)*CORE.Window.screen.height/worker->absRange.height; // Scale acording to absRange
CORE.Input.Mouse.position.y = (event.value - worker->absRange.y)*CORE.Window.screen.height/worker->absRange.height; // Scale acording to absRange
CORE.Input.Touch.position[0].y = (event.value - worker->absRange.y)*CORE.Window.screen.height/worker->absRange.height; // Scale acording to absRange
#if defined(SUPPORT_GESTURES_SYSTEM)
touchAction = TOUCH_MOVE;
@ -5772,7 +5774,7 @@ static void *EventThread(void *arg)
}
// Multitouch movement
if (event.code == ABS_MT_SLOT) worker->touchSlot = event.value; // Remeber the slot number for the folowing events
if (event.code == ABS_MT_SLOT) worker->touchSlot = event.value; // Remember the slot number for the folowing events
if (event.code == ABS_MT_POSITION_X)
{
@ -5793,6 +5795,33 @@ static void *EventThread(void *arg)
CORE.Input.Touch.position[worker->touchSlot].y = -1;
}
}
// Touchscreen tap
if(event.code == ABS_PRESSURE)
{
int previousMouseLeftButtonState = CORE.Input.Mouse.currentButtonStateEvdev[MOUSE_LEFT_BUTTON];
if(!event.value && previousMouseLeftButtonState)
{
CORE.Input.Mouse.currentButtonStateEvdev[MOUSE_LEFT_BUTTON] = 0;
#if defined(SUPPORT_GESTURES_SYSTEM)
touchAction = TOUCH_UP;
gestureUpdate = true;
#endif
}
if(event.value && !previousMouseLeftButtonState)
{
CORE.Input.Mouse.currentButtonStateEvdev[MOUSE_LEFT_BUTTON] = 1;
#if defined(SUPPORT_GESTURES_SYSTEM)
touchAction = TOUCH_DOWN;
gestureUpdate = true;
#endif
}
}
}
// Button parsing