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-rw-r--r--main.c120
1 files changed, 94 insertions, 26 deletions
diff --git a/main.c b/main.c
index 4d18b6a..28cd104 100644
--- a/main.c
+++ b/main.c
@@ -18,12 +18,16 @@ enum mapping_type {
MT_DOUBLE_DOUBLE = 5,
};
-// TODO Perhaps scancodes are necessary too
+enum side {
+ SIDE_NO = 0,
+ SIDE_LEFT = 1,
+ SIDE_RIGHT = 2,
+};
+
struct mapping {
- enum mapping_type type;
- unsigned short first[2];
- unsigned short second[2];
- unsigned short key;
+ enum side first;
+ uint32_t keys;
+ uint16_t code;
};
enum keys_mask {
@@ -51,18 +55,48 @@ struct state {
uint32_t keys; // keys_mask
};
-enum side {
- SIDE_NO,
- SIDE_LEFT,
- SIDE_RIGHT,
-};
-
-#define MAPPINGS_NUM 10
+#define MAPPINGS_NUM 105
struct mapping g_mapping[MAPPINGS_NUM] = {
- { .type = MT_SINGLE, .first = { BTN_SOUTH }, .key = KEY_ENTER, },
- { .type = MT_SINGLE, .first = { BTN_EAST }, .key = KEY_SPACE, },
- { .type = MT_SINGLE, .first = { BTN_WEST }, .key = KEY_BACKSPACE, },
- { .type = MT_SINGLE, .first = { BTN_NORTH }, .key = KEY_ESC, },
+ { .first = SIDE_RIGHT, .keys = KMASK_SOUTH, .code = KEY_ENTER },
+ { .first = SIDE_RIGHT, .keys = KMASK_EAST, .code = KEY_SPACE },
+ { .first = SIDE_RIGHT, .keys = KMASK_NORTH, .code = KEY_ESC },
+ { .first = SIDE_RIGHT, .keys = KMASK_WEST, .code = KEY_BACKSPACE },
+ { .first = SIDE_LEFT, .keys = KMASK_DOWN, .code = KEY_GRAVE },
+ { .first = SIDE_LEFT, .keys = KMASK_LEFT, .code = KEY_TAB },
+ { .first = SIDE_LEFT, .keys = KMASK_UP, .code = KEY_CAPSLOCK },
+ { .first = SIDE_LEFT, .keys = KMASK_RIGHT, .code = KEY_BACKSLASH },
+ { .first = SIDE_RIGHT, .keys = KMASK_SOUTH | KMASK_DOWN, .code = KEY_A },
+ { .first = SIDE_RIGHT, .keys = KMASK_SOUTH | KMASK_LEFT, .code = KEY_B },
+ { .first = SIDE_RIGHT, .keys = KMASK_SOUTH | KMASK_UP, .code = KEY_C },
+ { .first = SIDE_RIGHT, .keys = KMASK_SOUTH | KMASK_RIGHT, .code = KEY_D },
+ { .first = SIDE_RIGHT, .keys = KMASK_WEST | KMASK_DOWN, .code = KEY_E },
+ { .first = SIDE_RIGHT, .keys = KMASK_WEST | KMASK_LEFT, .code = KEY_F },
+ { .first = SIDE_RIGHT, .keys = KMASK_WEST | KMASK_UP, .code = KEY_G },
+ { .first = SIDE_RIGHT, .keys = KMASK_WEST | KMASK_RIGHT, .code = KEY_H },
+ { .first = SIDE_RIGHT, .keys = KMASK_NORTH | KMASK_DOWN, .code = KEY_I },
+ { .first = SIDE_RIGHT, .keys = KMASK_NORTH | KMASK_LEFT, .code = KEY_J },
+ { .first = SIDE_RIGHT, .keys = KMASK_NORTH | KMASK_UP, .code = KEY_K },
+ { .first = SIDE_RIGHT, .keys = KMASK_NORTH | KMASK_RIGHT, .code = KEY_L },
+ { .first = SIDE_RIGHT, .keys = KMASK_EAST | KMASK_DOWN, .code = KEY_M },
+ { .first = SIDE_RIGHT, .keys = KMASK_EAST | KMASK_LEFT, .code = KEY_N },
+ { .first = SIDE_RIGHT, .keys = KMASK_EAST | KMASK_UP, .code = KEY_O },
+ { .first = SIDE_RIGHT, .keys = KMASK_EAST | KMASK_RIGHT, .code = KEY_P },
+ { .first = SIDE_LEFT, .keys = KMASK_DOWN | KMASK_SOUTH, .code = KEY_Q },
+ { .first = SIDE_LEFT, .keys = KMASK_DOWN | KMASK_WEST, .code = KEY_R },
+ { .first = SIDE_LEFT, .keys = KMASK_DOWN | KMASK_NORTH, .code = KEY_S },
+ { .first = SIDE_LEFT, .keys = KMASK_DOWN | KMASK_EAST, .code = KEY_T },
+ { .first = SIDE_LEFT, .keys = KMASK_LEFT | KMASK_SOUTH, .code = KEY_U },
+ { .first = SIDE_LEFT, .keys = KMASK_LEFT | KMASK_WEST, .code = KEY_V },
+ { .first = SIDE_LEFT, .keys = KMASK_LEFT | KMASK_NORTH, .code = KEY_W },
+ { .first = SIDE_LEFT, .keys = KMASK_LEFT | KMASK_EAST, .code = KEY_X },
+ { .first = SIDE_LEFT, .keys = KMASK_UP | KMASK_SOUTH, .code = KEY_Y },
+ { .first = SIDE_LEFT, .keys = KMASK_UP | KMASK_WEST, .code = KEY_Z },
+ { .first = SIDE_LEFT, .keys = KMASK_UP | KMASK_NORTH, .code = KEY_LEFTBRACE },
+ { .first = SIDE_LEFT, .keys = KMASK_UP | KMASK_EAST, .code = KEY_RIGHTBRACE },
+ { .first = SIDE_LEFT, .keys = KMASK_RIGHT | KMASK_SOUTH, .code = KEY_COMMA },
+ { .first = SIDE_LEFT, .keys = KMASK_RIGHT | KMASK_WEST, .code = KEY_DOT },
+ { .first = SIDE_LEFT, .keys = KMASK_RIGHT | KMASK_NORTH, .code = KEY_SEMICOLON },
+ { .first = SIDE_LEFT, .keys = KMASK_RIGHT | KMASK_EAST, .code = KEY_APOSTROPHE },
};
bool should_stop = false;
@@ -152,7 +186,9 @@ static enum side which_side_state(struct state state) {
static struct state keypress(struct state state, struct input_event ev, int ofd) {
if (which_side_state(state) == SIDE_NO) {
- state.keys |= ((uint32_t)which_side_key(ev) & 3) << KMASK_SIDE_SHIFT;
+ const enum side side = which_side_key(ev);
+ printf("first = %s\n", side == SIDE_LEFT ? "left" : side == SIDE_RIGHT ? "right" : "no");
+ state.keys |= ((uint32_t)side & 3) << KMASK_SIDE_SHIFT;
}
if (ev.type == EV_KEY) {
switch (ev.code) {
@@ -219,26 +255,67 @@ static struct state keypress(struct state state, struct input_event ev, int ofd)
}
static struct state keyrelease(struct state state, struct input_event ev, int ofd) {
+ for (ssize_t i = 0; i < MAPPINGS_NUM; i++) {
+ struct mapping mapping = g_mapping[i];
+ if (mapping.code && mapping.first == which_side_key(ev) &&
+ (state.keys & ~(3 << KMASK_SIDE_SHIFT)) == mapping.keys) {
+ emulate_key(ofd, mapping.code);
+ }
+ }
if (ev.type == EV_KEY) {
switch (ev.code) {
+ case BTN_SOUTH:
+ state.keys &= ~KMASK_SOUTH;
+ break;
+ case BTN_EAST:
+ state.keys &= ~KMASK_EAST;
+ break;
+ case BTN_WEST:
+ state.keys &= ~KMASK_WEST;
+ break;
+ case BTN_NORTH:
+ state.keys &= ~KMASK_NORTH;
+ break;
case BTN_TL2:
// Shift
+ state.keys &= ~KMASK_LT;
emulate_key_release(ofd, KEY_LEFTSHIFT);
break;
case BTN_TR2:
// Control
+ state.keys &= ~KMASK_RT;
emulate_key_release(ofd, KEY_LEFTCTRL);
break;
case BTN_TL:
// Super
+ state.keys &= ~KMASK_LB;
emulate_key_release(ofd, KEY_LEFTMETA);
break;
case BTN_TR:
// Alt
+ state.keys &= ~KMASK_RB;
emulate_key_release(ofd, KEY_LEFTALT);
break;
+ case BTN_SELECT:
+ state.keys &= ~KMASK_SHARE;
+ break;
+ case BTN_START:
+ state.keys &= ~KMASK_OPTIONS;
+ break;
};
+ } else if (ev.type == EV_ABS) {
+ /*
+ * d-pad is EV_ABS
+ * left-right: code ABS_HAT0X, left=-1, right=1
+ * down-up: code ABS_HAT0Y, up=-1, down=1
+ */
+ if (ev.code == ABS_HAT0X) {
+ state.keys &= ~(KMASK_LEFT | KMASK_RIGHT);
+ } else if (ev.code == ABS_HAT0Y) {
+ state.keys &= ~(KMASK_UP | KMASK_DOWN);
+ }
}
+ if ((state.keys & ~(3 << KMASK_SIDE_SHIFT)) == 0) state.keys &= ~(3 << KMASK_SIDE_SHIFT);
return state;
}
@@ -291,15 +368,6 @@ int main(int argc, char *argv[])
} else if (ev.value == 0) {
state = keyrelease(state, ev, ofd);
}
- for (ssize_t i = 0; i < MAPPINGS_NUM; i++) {
- struct mapping mapping = g_mapping[i];
- if (mapping.type == MT_SINGLE && mapping.first[0] == ev.code && ev.value == 0) {
- emit(ofd, EV_KEY, mapping.key, 1);
- emit(ofd, EV_SYN, SYN_REPORT, 0);
- emit(ofd, EV_KEY, mapping.key, 0);
- emit(ofd, EV_SYN, SYN_REPORT, 0);
- }
- }
break;
case EV_ABS:
/*
generated by cgit v1.2.3 (git 2.25.1) at 2025-06-18 21:39:34 +0000