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made some fixes for the touch issue in drm platform

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MULTidll 2025-10-27 17:50:22 +05:30
parent 3b6a68ba69
commit 2f783f43cb
1 changed files with 36 additions and 14 deletions
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44
src/platforms/rcore_drm.c
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@ -137,6 +137,7 @@ typedef struct {
int mouseFd; // File descriptor for the evdev mouse/touch/gestures
Rectangle absRange; // Range of values for absolute pointing devices (touchscreens)
int touchSlot; // Hold the touch slot number of the currently being sent multitouch block
bool touchActive[MAX_TOUCH_POINTS]; // Track which touch points are currently active
// Gamepad data
int gamepadStreamFd[MAX_GAMEPADS]; // Gamepad device file descriptor
@ -1130,9 +1131,6 @@ void PollInputEvents(void)
// Register previous touch states
for (int i = 0; i < MAX_TOUCH_POINTS; i++) CORE.Input.Touch.previousTouchState[i] = CORE.Input.Touch.currentTouchState[i];
// Reset touch positions to invalid state
for (int i = 0; i < MAX_TOUCH_POINTS; i++) CORE.Input.Touch.position[i] = (Vector2){ -1, -1 };
// Map touch position to mouse position for convenience
// NOTE: For DRM touchscreen devices, this mapping is disabled to avoid false touch detection
// CORE.Input.Touch.position[0] = CORE.Input.Mouse.currentPosition;
@ -1899,6 +1897,7 @@ static void InitEvdevInput(void)
{
CORE.Input.Touch.position[i].x = -1;
CORE.Input.Touch.position[i].y = -1;
platform.touchActive[i] = false;
}
// Reset keyboard key state
@ -2292,7 +2291,7 @@ static void PollMouseEvents(void)
if (event.code == ABS_X)
{
CORE.Input.Mouse.currentPosition.x = (event.value - platform.absRange.x)*CORE.Window.screen.width/platform.absRange.width; // Scale according to absRange
CORE.Input.Touch.position[0].x = (event.value - platform.absRange.x)*CORE.Window.screen.width/platform.absRange.width; // Scale according to absRange
if (platform.touchActive[0]) CORE.Input.Touch.position[0].x = (event.value - platform.absRange.x)*CORE.Window.screen.width/platform.absRange.width; // Scale according to absRange
touchAction = 2; // TOUCH_ACTION_MOVE
}
@ -2300,7 +2299,7 @@ static void PollMouseEvents(void)
if (event.code == ABS_Y)
{
CORE.Input.Mouse.currentPosition.y = (event.value - platform.absRange.y)*CORE.Window.screen.height/platform.absRange.height; // Scale according to absRange
CORE.Input.Touch.position[0].y = (event.value - platform.absRange.y)*CORE.Window.screen.height/platform.absRange.height; // Scale according to absRange
if (platform.touchActive[0]) CORE.Input.Touch.position[0].y = (event.value - platform.absRange.y)*CORE.Window.screen.height/platform.absRange.height; // Scale according to absRange
touchAction = 2; // TOUCH_ACTION_MOVE
}
@ -2310,23 +2309,32 @@ static void PollMouseEvents(void)
if (event.code == ABS_MT_POSITION_X)
{
if (platform.touchSlot < MAX_TOUCH_POINTS) CORE.Input.Touch.position[platform.touchSlot].x = (event.value - platform.absRange.x)*CORE.Window.screen.width/platform.absRange.width; // Scale according to absRange
if (platform.touchSlot < MAX_TOUCH_POINTS && platform.touchActive[platform.touchSlot]) CORE.Input.Touch.position[platform.touchSlot].x = (event.value - platform.absRange.x)*CORE.Window.screen.width/platform.absRange.width; // Scale according to absRange
}
if (event.code == ABS_MT_POSITION_Y)
{
if (platform.touchSlot < MAX_TOUCH_POINTS) CORE.Input.Touch.position[platform.touchSlot].y = (event.value - platform.absRange.y)*CORE.Window.screen.height/platform.absRange.height; // Scale according to absRange
if (platform.touchSlot < MAX_TOUCH_POINTS && platform.touchActive[platform.touchSlot]) CORE.Input.Touch.position[platform.touchSlot].y = (event.value - platform.absRange.y)*CORE.Window.screen.height/platform.absRange.height; // Scale according to absRange
}
if (event.code == ABS_MT_TRACKING_ID)
{
if ((event.value < 0) && (platform.touchSlot < MAX_TOUCH_POINTS))
if (platform.touchSlot < MAX_TOUCH_POINTS)
{
if (event.value >= 0)
{
// Touch has started for this point
platform.touchActive[platform.touchSlot] = true;
}
else
{
// Touch has ended for this point
platform.touchActive[platform.touchSlot] = false;
CORE.Input.Touch.position[platform.touchSlot].x = -1;
CORE.Input.Touch.position[platform.touchSlot].y = -1;
}
}
}
// Touchscreen tap
if (event.code == ABS_PRESSURE)
@ -2336,12 +2344,16 @@ static void PollMouseEvents(void)
if (!event.value && previousMouseLeftButtonState)
{
platform.currentButtonStateEvdev[MOUSE_BUTTON_LEFT] = 0;
platform.touchActive[0] = false;
CORE.Input.Touch.position[0].x = -1;
CORE.Input.Touch.position[0].y = -1;
touchAction = 0; // TOUCH_ACTION_UP
}
if (event.value && !previousMouseLeftButtonState)
{
platform.currentButtonStateEvdev[MOUSE_BUTTON_LEFT] = 1;
platform.touchActive[0] = true;
touchAction = 1; // TOUCH_ACTION_DOWN
}
}
@ -2356,8 +2368,18 @@ static void PollMouseEvents(void)
{
platform.currentButtonStateEvdev[MOUSE_BUTTON_LEFT] = event.value;
if (event.value > 0) touchAction = 1; // TOUCH_ACTION_DOWN
else touchAction = 0; // TOUCH_ACTION_UP
if (event.value > 0)
{
platform.touchActive[0] = true;
touchAction = 1; // TOUCH_ACTION_DOWN
}
else
{
platform.touchActive[0] = false;
CORE.Input.Touch.position[0].x = -1;
CORE.Input.Touch.position[0].y = -1;
touchAction = 0; // TOUCH_ACTION_UP
}
}
if (event.code == BTN_RIGHT) platform.currentButtonStateEvdev[MOUSE_BUTTON_RIGHT] = event.value;
@ -2382,7 +2404,7 @@ static void PollMouseEvents(void)
CORE.Input.Touch.pointCount = 0;
for (int i = 0; i < MAX_TOUCH_POINTS; i++)
{
if (CORE.Input.Touch.position[i].x >= 0) CORE.Input.Touch.pointCount++;
if (platform.touchActive[i]) CORE.Input.Touch.pointCount++;
}
#if defined(SUPPORT_GESTURES_SYSTEM)