MrMonopoly/raylib
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Increase maximum touch points from 8 to 10 and enhance touchscreen prioritization logic

Browse Source
This commit is contained in:
MULTidll 2025-11-28 23:53:41 +05:30 committed by MULTi
parent 1064590ba7
commit bffba21ff8
2 changed files with 53 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
src/config.h
View File

@ -105,7 +105,7 @@
#define MAX_GAMEPAD_AXES 8 // Maximum number of axes supported (per gamepad)
#define MAX_GAMEPAD_BUTTONS 32 // Maximum number of buttons supported (per gamepad)
#define MAX_GAMEPAD_VIBRATION_TIME 2.0f // Maximum vibration time in seconds
#define MAX_TOUCH_POINTS 8 // Maximum number of touch points supported
#define MAX_TOUCH_POINTS 10 // Maximum number of touch points supported
#define MAX_KEY_PRESSED_QUEUE 16 // Maximum number of keys in the key input queue
#define MAX_CHAR_PRESSED_QUEUE 16 // Maximum number of characters in the char input queue

63
src/platforms/rcore_drm.c
View File

@ -135,6 +135,7 @@ typedef struct {
char currentButtonStateEvdev[MAX_MOUSE_BUTTONS]; // Holds the new mouse state for the next polling event to grab
bool cursorRelative; // Relative cursor mode
int mouseFd; // File descriptor for the evdev mouse/touch/gestures
bool mouseIsTouch; // Check if the current mouse device is actually a touchscreen
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
@ -2054,17 +2055,49 @@ static void ConfigureEvdevDevice(char *device)
const char *deviceKindStr = "unknown";
if (isMouse || isTouch)
{
deviceKindStr = "mouse";
if (platform.mouseFd != -1) close(platform.mouseFd);
platform.mouseFd = fd;
bool prioritize = false;
if (absAxisCount > 0)
// Priority logic: Touchscreens override Mice.
// 1. No device set yet? Take it.
if (platform.mouseFd == -1) prioritize = true;
// 2. Current is Mouse, New is Touch? Upgrade to Touch.
else if (isTouch && !platform.mouseIsTouch) prioritize = true;
// 3. Current is Touch, New is Touch? Use the new one (Last one found wins, standard behavior).
else if (isTouch && platform.mouseIsTouch) prioritize = true;
// 4. Current is Mouse, New is Mouse? Use the new one.
else if (!isTouch && !platform.mouseIsTouch) prioritize = true;
// 5. Current is Touch, New is Mouse? IGNORE the mouse. Keep the touchscreen.
else prioritize = false;
if (prioritize)
{
platform.absRange.x = absinfo[ABS_X].info.minimum;
platform.absRange.width = absinfo[ABS_X].info.maximum - absinfo[ABS_X].info.minimum;
deviceKindStr = isTouch ? "touchscreen" : "mouse";
if (platform.mouseFd != -1)
{
TRACELOG(LOG_INFO, "INPUT: Overwriting previous input device with new %s", deviceKindStr);
close(platform.mouseFd);
}
platform.mouseFd = fd;
platform.mouseIsTouch = isTouch;
platform.absRange.y = absinfo[ABS_Y].info.minimum;
platform.absRange.height = absinfo[ABS_Y].info.maximum - absinfo[ABS_Y].info.minimum;
if (absAxisCount > 0)
{
platform.absRange.x = absinfo[ABS_X].info.minimum;
platform.absRange.width = absinfo[ABS_X].info.maximum - absinfo[ABS_X].info.minimum;
platform.absRange.y = absinfo[ABS_Y].info.minimum;
platform.absRange.height = absinfo[ABS_Y].info.maximum - absinfo[ABS_Y].info.minimum;
}
TRACELOG(LOG_INFO, "INPUT: Initialized input device %s as %s", device, deviceKindStr);
}
else
{
TRACELOG(LOG_INFO, "INPUT: Ignoring device %s (keeping higher priority %s device)", device, platform.mouseIsTouch ? "touchscreen" : "mouse");
close(fd);
return;
}
}
else if (isGamepad && !isMouse && !isKeyboard && (platform.gamepadCount < MAX_GAMEPADS))
@ -2334,8 +2367,13 @@ static void PollMouseEvents(void)
if (event.value >= 0)
{
// Touch has started for this point
// If it was already active, it means we missed a lift event or the ID changed
// We should treat it as a new touch
platform.touchActive[platform.touchSlot] = true;
platform.touchId[platform.touchSlot] = event.value;
// Force DOWN action, even if we previously detected a MOVE or UP in this frame
// A new touch is a significant state change that should take priority
touchAction = 1; // TOUCH_ACTION_DOWN
}
else
@ -2345,7 +2383,10 @@ static void PollMouseEvents(void)
platform.touchPosition[platform.touchSlot].x = -1;
platform.touchPosition[platform.touchSlot].y = -1;
platform.touchId[platform.touchSlot] = -1;
touchAction = 0; // TOUCH_ACTION_UP
// Force UP action if we haven't already set a DOWN action
// (DOWN takes priority over UP if both happen in one frame, though rare)
if (touchAction != 1) touchAction = 0; // TOUCH_ACTION_UP
}
}
}
@ -2364,7 +2405,7 @@ static void PollMouseEvents(void)
platform.touchPosition[platform.touchSlot].x = -1;
platform.touchPosition[platform.touchSlot].y = -1;
platform.touchId[platform.touchSlot] = -1;
touchAction = 0; // TOUCH_ACTION_UP
if (touchAction != 1) touchAction = 0; // TOUCH_ACTION_UP
}
}
}
@ -2386,7 +2427,7 @@ static void PollMouseEvents(void)
platform.touchPosition[i].y = -1;
platform.touchId[i] = -1;
}
touchAction = 0; // TOUCH_ACTION_UP
if (touchAction != 1) touchAction = 0; // TOUCH_ACTION_UP
}
if (event.value && !previousMouseLeftButtonState)