[WIP] Add handling of absolute mouse position (touch/graphic tablets)

This commit is contained in:
Bad Diode 2022-10-12 13:30:28 +02:00
parent b9d7ed276d
commit 44acb94e43
1 changed files with 13 additions and 6 deletions

View File

@ -83,11 +83,12 @@ init_input(void) {
// fprintf(stderr, "error: couldn't open keyboard %s: %s.\n", KBD_PATH, strerror(errno));
}
in.mouse_fd = open(MOUSE_PATH, O_RDONLY | O_NONBLOCK);
// in.mouse_fd = open(MOUSE_PATH, O_RDONLY | O_NONBLOCK);
in.mouse_fd = open("/dev/input/event2", O_RDONLY | O_NONBLOCK);
if (in.mouse_fd == -1) {
// NOTE: Some applications may not require a mouse so this is
// optional, but we are still displaying an error.
// fprintf(stderr, "error: couldn't open mouse %s: %s.\n", MOUSE_PATH, strerror(errno));
fprintf(stderr, "error: couldn't open mouse %s: %s.\n", MOUSE_PATH, strerror(errno));
}
}
@ -116,6 +117,7 @@ poll_mouse(void) {
struct input_event mouse_event;
if (read(in.mouse_fd, &mouse_event, sizeof(mouse_event)) != -1) {
if (mouse_event.type == EV_REL) {
printf("MOUSE REL EVENT\n");
if (mouse_event.code == REL_X) {
in.mouse.x = CLAMP(
in.mouse.x + (s32)mouse_event.value, 0, (s32)screen_width);
@ -124,6 +126,7 @@ poll_mouse(void) {
in.mouse.y + (s32)mouse_event.value, 0, (s32)screen_height);
}
} else if (mouse_event.type == EV_KEY) {
printf("MOUSE KEY EVENT\n");
switch (mouse_event.code) {
case BTN_LEFT: {
if (mouse_event.value == 1) {
@ -141,17 +144,21 @@ poll_mouse(void) {
} break;
default: break;
}
} else if (mouse_event.type == EV_ABS) {
printf("MOUSE ABS EVENT\n");
if (mouse_event.code == ABS_X) {
in.mouse.x = CLAMP((s32)mouse_event.value, 0, (s32)screen_width);
} else if (mouse_event.code == ABS_Y) {
in.mouse.y = CLAMP((s32)mouse_event.value, 0, (s32)screen_height);
}
}
in.mouse.update = true;
// DEBUG:
// printf("MOUSE: (type: %d, code: %d, value: %d)\n",
// mouse_event.type, mouse_event.code, mouse_event.value);
}
}
void
poll_input(void) {
poll_keyboard();
// poll_keyboard();
poll_mouse();
}