diff --git a/src/input/evdev.c b/src/input/evdev.c index 49ad657c..f314d77e 100644 --- a/src/input/evdev.c +++ b/src/input/evdev.c @@ -57,7 +57,11 @@ struct input_device { struct libevdev *dev; bool is_keyboard; bool is_mouse; +<<<<<<< HEAD int rotate; +======= + bool is_touchscreen; +>>>>>>> tomblind/touchscreen struct mapping* map; int key_map[KEY_MAX]; int abs_map[ABS_MAX]; @@ -65,6 +69,8 @@ struct input_device { int fd; char modifiers; __s32 mouseDeltaX, mouseDeltaY, mouseScroll; + __s32 touchDownX, touchDownY, touchX, touchY; + struct timeval touchDownTime; short controllerId; int haptic_effect_id; int buttonFlags; @@ -83,6 +89,11 @@ static const int hat_constants[3][3] = {{HAT_UP | HAT_LEFT, HAT_UP, HAT_UP | HAT #define set_hat(flags, flag, hat, hat_flag) flags = (hat & hat_flag) == hat_flag ? flags | flag : flags & ~flag +#define TOUCH_UP -1 +#define TOUCH_CLICK_RADIUS 10 +#define TOUCH_CLICK_DELAY 100000 // microseconds +#define TOUCH_RCLICK_TIME 750 // milliseconds + static struct input_device* devices = NULL; static int numDevices = 0; static int assignedControllerIds = 0; @@ -273,6 +284,27 @@ static bool evdev_handle_event(struct input_event *ev, struct input_device *dev) case BTN_EXTRA: mouseCode = BUTTON_X2; break; + case BTN_TOUCH: + if (ev->value == 1) { + dev->touchDownTime = ev->time; + } else { + if (dev->touchDownX != TOUCH_UP && dev->touchDownY != TOUCH_UP) { + int deltaX = dev->touchX - dev->touchDownX; + int deltaY = dev->touchY - dev->touchDownY; + if (deltaX * deltaX + deltaY * deltaY < TOUCH_CLICK_RADIUS * TOUCH_CLICK_RADIUS) { + struct timeval elapsedTime; + timersub(&ev->time, &dev->touchDownTime, &elapsedTime); + int holdTimeMs = elapsedTime.tv_sec * 1000 + elapsedTime.tv_usec / 1000; + int button = holdTimeMs >= TOUCH_RCLICK_TIME ? BUTTON_RIGHT : BUTTON_LEFT; + LiSendMouseButtonEvent(BUTTON_ACTION_PRESS, button); + usleep(TOUCH_CLICK_DELAY); + LiSendMouseButtonEvent(BUTTON_ACTION_RELEASE, button); + } + } + dev->touchDownX = TOUCH_UP; + dev->touchDownY = TOUCH_UP; + } + break; default: gamepadModified = true; if (dev->map == NULL) @@ -343,6 +375,30 @@ static bool evdev_handle_event(struct input_event *ev, struct input_device *dev) } break; case EV_ABS: + if (dev->is_touchscreen) { + switch (ev->code) { + case ABS_X: + if (dev->touchDownX == TOUCH_UP) { + dev->touchDownX = ev->value; + dev->touchX = ev->value; + } else { + dev->mouseDeltaX += (ev->value - dev->touchX); + dev->touchX = ev->value; + } + break; + case ABS_Y: + if (dev->touchDownY == TOUCH_UP) { + dev->touchDownY = ev->value; + dev->touchY = ev->value; + } else { + dev->mouseDeltaY += (ev->value - dev->touchY); + dev->touchY = ev->value; + } + break; + } + break; + } + if (dev->map == NULL) break; @@ -518,13 +574,14 @@ void evdev_create(const char* device, struct mapping* mappings, bool verbose, in bool is_keyboard = libevdev_has_event_code(evdev, EV_KEY, KEY_Q); bool is_mouse = libevdev_has_event_type(evdev, EV_REL) || libevdev_has_event_code(evdev, EV_KEY, BTN_LEFT); + bool is_touchscreen = libevdev_has_event_code(evdev, EV_KEY, BTN_TOUCH); - if (mappings == NULL && !(is_keyboard || is_mouse)) { + if (mappings == NULL && !(is_keyboard || is_mouse || is_touchscreen)) { fprintf(stderr, "No mapping available for %s (%s) on %s\n", name, str_guid, device); mappings = default_mapping; } - if (!is_keyboard && !is_mouse) + if (!is_keyboard && !is_mouse && !is_touchscreen) evdev_gamepads++; int dev = numDevices; @@ -549,7 +606,13 @@ void evdev_create(const char* device, struct mapping* mappings, bool verbose, in memset(&devices[dev].abs_map, -2, sizeof(devices[dev].abs_map)); devices[dev].is_keyboard = is_keyboard; devices[dev].is_mouse = is_mouse; +<<<<<<< HEAD devices[dev].rotate = rotate; +======= + devices[dev].is_touchscreen = is_touchscreen; + devices[dev].touchDownX = TOUCH_UP; + devices[dev].touchDownY = TOUCH_UP; +>>>>>>> tomblind/touchscreen int nbuttons = 0; for (int i = BTN_JOYSTICK; i < KEY_MAX; ++i) { @@ -584,7 +647,7 @@ void evdev_create(const char* device, struct mapping* mappings, bool verbose, in fprintf(stderr, "Mapping for %s (%s) on %s is incorrect\n", name, str_guid, device); } - if (grabbingDevices && (is_keyboard || is_mouse)) { + if (grabbingDevices && (is_keyboard || is_mouse || is_touchscreen)) { if (ioctl(fd, EVIOCGRAB, 1) < 0) { fprintf(stderr, "EVIOCGRAB failed with error %d\n", errno); } @@ -711,7 +774,7 @@ void evdev_start() { // we're ready to take input events. Ctrl+C works up until // this point. for (int i = 0; i < numDevices; i++) { - if ((devices[i].is_keyboard || devices[i].is_mouse) && ioctl(devices[i].fd, EVIOCGRAB, 1) < 0) { + if ((devices[i].is_keyboard || devices[i].is_mouse || devices[i].is_touchscreen) && ioctl(devices[i].fd, EVIOCGRAB, 1) < 0) { fprintf(stderr, "EVIOCGRAB failed with error %d\n", errno); } }