1 files changed, 80 insertions, 0 deletions
diff --git a/src/uinput.c b/src/uinput.c
new file mode 100644
index 0000000..51dbc56
--- /dev/null
+++ b/src/uinput.c
@@ -0,0 +1,80 @@
+#include <libevdev/libevdev-uinput.h>
+#include "waypad.h"
+#include "util.h"
+
+struct uinput_dev {
+	struct libevdev *dev;
+	struct libevdev_uinput *uinput;
+} mouse, keyboard;
+
+bool uinput_mouse_init() {
+	mouse.dev = libevdev_new();
+	libevdev_set_name(mouse.dev, "waypad mouse");
+	libevdev_enable_event_type(mouse.dev, EV_REL);
+	libevdev_enable_event_code(mouse.dev, EV_REL, REL_X, NULL);
+	libevdev_enable_event_code(mouse.dev, EV_REL, REL_Y, NULL);
+
+	libevdev_enable_event_type(mouse.dev, EV_KEY);
+	libevdev_enable_event_code(mouse.dev, EV_KEY, BTN_LEFT, NULL);
+	libevdev_enable_event_code(mouse.dev, EV_KEY, BTN_MIDDLE, NULL);
+	libevdev_enable_event_code(mouse.dev, EV_KEY, BTN_RIGHT, NULL);
+
+	return libevdev_uinput_create_from_device(mouse.dev, LIBEVDEV_UINPUT_OPEN_MANAGED, &mouse.uinput) == 0;
+}
+
+void uinput_mouse_rel_move(int x, int y) {
+	if (x)
+		libevdev_uinput_write_event(mouse.uinput, EV_REL, REL_X, x);
+	if (y)
+		libevdev_uinput_write_event(mouse.uinput, EV_REL, REL_Y, y);
+	libevdev_uinput_write_event(mouse.uinput, EV_SYN, SYN_REPORT, 0);
+}
+
+void uinput_mouse_press(int button) {
+	libevdev_uinput_write_event(mouse.uinput, EV_KEY, button, 1);
+	libevdev_uinput_write_event(mouse.uinput, EV_SYN, SYN_REPORT, 0);
+}
+
+void uinput_mouse_release(int button) {
+	libevdev_uinput_write_event(mouse.uinput, EV_KEY, button, 0);
+	libevdev_uinput_write_event(mouse.uinput, EV_SYN, SYN_REPORT, 0);
+}
+
+bool uinput_keyboard_init() {
+	keyboard.dev = libevdev_new();
+	libevdev_set_name(keyboard.dev, "waypad keyboard");
+	libevdev_enable_event_type(keyboard.dev, EV_KEY);
+	for (size_t i = 0; i < KEY_MAX; i++)
+		libevdev_enable_event_code(keyboard.dev, EV_KEY, i, NULL);
+	return libevdev_uinput_create_from_device(keyboard.dev, LIBEVDEV_UINPUT_OPEN_MANAGED, &keyboard.uinput) == 0;
+}
+
+static const struct {
+	enum keyboard_modifier mod;
+	int code;
+} mod_map[] = {
+	{ KEYMOD_LSHIFT, KEY_LEFTSHIFT  },
+	{ KEYMOD_RSHIFT, KEY_RIGHTSHIFT },
+	{ KEYMOD_LCTRL,  KEY_LEFTCTRL   },
+	{ KEYMOD_RCTRL,  KEY_RIGHTCTRL  },
+	{ KEYMOD_LALT,   KEY_LEFTALT    },
+	{ KEYMOD_RALT,   KEY_RIGHTALT   },
+	{ KEYMOD_LMETA,  KEY_LEFTMETA   },
+	{ KEYMOD_RMETA,  KEY_RIGHTMETA  },
+};
+
+void uinput_keyboard_press(enum keyboard_modifier mod, int key) {
+	for (size_t i = 0; i < lenghtof(mod_map); i++)
+		if (mod & mod_map[i].mod)
+			libevdev_uinput_write_event(keyboard.uinput, EV_KEY, mod_map[i].code, 1);
+	libevdev_uinput_write_event(keyboard.uinput, EV_KEY, key, 1);
+	libevdev_uinput_write_event(keyboard.uinput, EV_SYN, SYN_REPORT, 0);
+}
+
+void uinput_keyboard_release(enum keyboard_modifier mod, int key) {
+	libevdev_uinput_write_event(keyboard.uinput, EV_KEY, key, 0);
+	for (size_t i = 0; i < lenghtof(mod_map); i++)
+		if (mod & mod_map[i].mod)
+			libevdev_uinput_write_event(keyboard.uinput, EV_KEY, mod_map[i].code, 0);
+	libevdev_uinput_write_event(keyboard.uinput, EV_SYN, SYN_REPORT, 0);
+}