moonlight-stream/moonlight-embedded
1
0
Fork 0
mirror of https://github.com/moonlight-stream/moonlight-embedded.git synced 2025-07-01 23:35:47 +00:00
Code Issues Packages Projects Releases Wiki Activity

initial touchscreen support (rotated 90 degrees for the moment)

Browse Source
This commit is contained in:
Tom 2020-04-13 13:16:08 -06:00
parent 7f856d3284
commit c9a624595b
1 changed files with 47 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

53
src/input/evdev.c
View File

@ -57,6 +57,7 @@ struct input_device {
struct libevdev *dev;
bool is_keyboard;
bool is_mouse;
bool is_touchscreen;
struct mapping* map;
int key_map[KEY_MAX];
int abs_map[ABS_MAX];
@ -64,6 +65,7 @@ struct input_device {
int fd;
char modifiers;
__s32 mouseDeltaX, mouseDeltaY, mouseScroll;
__s32 touchStartX, touchStartY, touchX, touchY;
short controllerId;
int haptic_effect_id;
int buttonFlags;
@ -82,6 +84,10 @@ 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 NO_TOUCH -1
#define TOUCH_THRESHOLD 10
#define TOUCH_BUTTON_DELAY 100 * 1000 // microseconds
static struct input_device* devices = NULL;
static int numDevices = 0;
static int assignedControllerIds = 0;
@ -244,6 +250,20 @@ static bool evdev_handle_event(struct input_event *ev, struct input_device *dev)
int index = ev->code > BTN_MISC && ev->code < (BTN_MISC + KEY_MAX) ? dev->key_map[ev->code - BTN_MISC] : -1;
switch (ev->code) {
case BTN_TOUCH:
if (!ev->value) {
int deltaX = dev->touchX - dev->touchStartX;
int deltaY = dev->touchY - dev->touchStartY;
if (deltaX * deltaX + deltaY * deltaY < TOUCH_THRESHOLD * TOUCH_THRESHOLD) {
LiSendMouseButtonEvent(BUTTON_ACTION_PRESS, BUTTON_LEFT);
usleep(TOUCH_BUTTON_DELAY);
LiSendMouseButtonEvent(BUTTON_ACTION_RELEASE, BUTTON_LEFT);
}
}
dev->touchStartX = NO_TOUCH;
dev->touchStartY = NO_TOUCH;
gamepadModified = false;
break;
case BTN_LEFT:
mouseCode = BUTTON_LEFT;
break;
@ -329,7 +349,7 @@ static bool evdev_handle_event(struct input_event *ev, struct input_device *dev)
}
break;
case EV_ABS:
if (dev->map == NULL)
if (dev->map == NULL && !dev->is_touchscreen)
break;
gamepadModified = true;
@ -358,7 +378,24 @@ static bool evdev_handle_event(struct input_event *ev, struct input_device *dev)
set_hat(dev->buttonFlags, LEFT_FLAG, hat_state, dev->map->hat_dir_dpleft);
break;
default:
if (index == dev->map->abs_leftx)
if (dev->is_touchscreen) {
if (ev->code == ABS_Y) {
if (dev->touchStartX == NO_TOUCH) {
dev->touchStartX = ev->value;
dev->touchX = ev->value;
}
dev->mouseDeltaX += (ev->value - dev->touchX);
dev->touchX = ev->value;
} else if (ev->code == ABS_X) {
if (dev->touchStartY == NO_TOUCH) {
dev->touchStartY = ev->value;
dev->touchY = ev->value;
}
dev->mouseDeltaY += -(ev->value - dev->touchY);
dev->touchY = ev->value;
}
gamepadModified = false;
} else if (index == dev->map->abs_leftx)
dev->leftStickX = evdev_convert_value(ev, dev, &dev->xParms, dev->map->reverse_leftx);
else if (index == dev->map->abs_lefty)
dev->leftStickY = evdev_convert_value(ev, dev, &dev->yParms, !dev->map->reverse_lefty);
@ -504,13 +541,14 @@ void evdev_create(const char* device, struct mapping* mappings, bool verbose) {
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;
@ -535,6 +573,9 @@ void evdev_create(const char* device, struct mapping* mappings, bool verbose) {
memset(&devices[dev].abs_map, -2, sizeof(devices[dev].abs_map));
devices[dev].is_keyboard = is_keyboard;
devices[dev].is_mouse = is_mouse;
devices[dev].is_touchscreen = is_touchscreen;
devices[dev].touchStartX = NO_TOUCH;
devices[dev].touchStartY = NO_TOUCH;
int nbuttons = 0;
for (int i = BTN_JOYSTICK; i < KEY_MAX; ++i) {
@ -569,7 +610,7 @@ void evdev_create(const char* device, struct mapping* mappings, bool verbose) {
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);
}
@ -696,7 +737,7 @@ 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);
}
}