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Remove touch last update tracking to simplify touch input handling

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MULTidll 2025-11-22 12:28:40 +05:30
parent 04fe5e62fa
commit 3dc1ad783c
1 changed files with 15 additions and 32 deletions
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41
src/platforms/rcore_drm.c
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@ -138,7 +138,6 @@ typedef struct {
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
int touchLastUpdate[MAX_TOUCH_POINTS]; // Frame counter for last update (to detect stale touches)
// Gamepad data
int gamepadStreamFd[MAX_GAMEPADS]; // Gamepad device file descriptor
@ -165,7 +164,6 @@ static bool crtcSet = false;
extern CoreData CORE; // Global CORE state context
static PlatformData platform = { 0 }; // Platform specific data
static int frameCounter = 0; // Frame counter for touch cleanup
//----------------------------------------------------------------------------------
// Global Variables Definition
@ -1086,27 +1084,6 @@ void PollInputEvents(void)
UpdateGestures();
#endif
// Periodic cleanup to prevent ghost touches (every 60 frames ~ 1 second at 60fps)
frameCounter++;
if (frameCounter > 3600) frameCounter = 1800; // Reset after 1 minute to prevent overflow, keeping reasonable gap
if (frameCounter % 60 == 0) {
// Clean up stale touches that haven't been updated recently (likely ghost touches)
for (int i = 0; i < MAX_TOUCH_POINTS; i++) {
if (platform.touchActive[i]) {
// If a touch hasn't been updated in the last 30 frames (~0.5 sec), consider it stale
int framesSinceUpdate = frameCounter - platform.touchLastUpdate[i];
if (framesSinceUpdate > 30) {
TRACELOG(LOG_DEBUG, "TOUCH: Cleaning up stale touch point %d (frames since update: %d)", i, framesSinceUpdate);
platform.touchActive[i] = false;
platform.touchLastUpdate[i] = 0;
CORE.Input.Touch.position[i].x = -1;
CORE.Input.Touch.position[i].y = -1;
}
}
}
}
// Reset keys/chars pressed registered
CORE.Input.Keyboard.keyPressedQueueCount = 0;
CORE.Input.Keyboard.charPressedQueueCount = 0;
@ -1922,7 +1899,6 @@ static void InitEvdevInput(void)
CORE.Input.Touch.position[i].x = -1;
CORE.Input.Touch.position[i].y = -1;
platform.touchActive[i] = false;
platform.touchLastUpdate[i] = 0;
}
// Initialize touch slot
@ -2345,7 +2321,6 @@ static void PollMouseEvents(void)
{
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;
platform.touchLastUpdate[platform.touchSlot] = frameCounter;
touchAction = 2; // TOUCH_ACTION_MOVE
}
}
@ -2354,7 +2329,6 @@ static void PollMouseEvents(void)
{
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;
platform.touchLastUpdate[platform.touchSlot] = frameCounter;
touchAction = 2; // TOUCH_ACTION_MOVE
}
}
@ -2367,14 +2341,12 @@ static void PollMouseEvents(void)
{
// Touch has started for this point
platform.touchActive[platform.touchSlot] = true;
platform.touchLastUpdate[platform.touchSlot] = frameCounter;
touchAction = 1; // TOUCH_ACTION_DOWN
}
else
{
// Touch has ended for this point
platform.touchActive[platform.touchSlot] = false;
platform.touchLastUpdate[platform.touchSlot] = 0;
CORE.Input.Touch.position[platform.touchSlot].x = -1;
CORE.Input.Touch.position[platform.touchSlot].y = -1;
touchAction = 0; // TOUCH_ACTION_UP
@ -2420,10 +2392,22 @@ static void PollMouseEvents(void)
touchAction = 1; // TOUCH_ACTION_DOWN
}
else
{
if (event.code == BTN_TOUCH)
{
for (int i = 0; i < MAX_TOUCH_POINTS; i++)
{
platform.touchActive[i] = false;
CORE.Input.Touch.position[i].x = -1;
CORE.Input.Touch.position[i].y = -1;
}
}
else
{
platform.touchActive[0] = false;
CORE.Input.Touch.position[0].x = -1;
CORE.Input.Touch.position[0].y = -1;
}
touchAction = 0; // TOUCH_ACTION_UP
}
}
@ -2462,7 +2446,6 @@ static void PollMouseEvents(void)
if (platform.touchActive[i] || CORE.Input.Touch.position[i].x != -1) {
TRACELOG(LOG_DEBUG, "TOUCH: Force cleaning ghost touch at slot %d", i);
platform.touchActive[i] = false;
platform.touchLastUpdate[i] = 0;
CORE.Input.Touch.position[i].x = -1;
CORE.Input.Touch.position[i].y = -1;
}