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Add unicode input support

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This commit is contained in:
Syed Daanish
2025-12-13 00:23:59 +00:00
parent e6ce95a1d4
commit dad7d844ca
5 changed files with 198 additions and 99 deletions
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78
src/main.cc
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@@ -10,7 +10,7 @@
std::atomic<bool> running{true};
Queue<KeyEvent> event_queue;
char m = NORMAL;
uint8_t mode = INSERT;
void background_worker(Editor *editor) {
while (running) {
@@ -24,7 +24,7 @@ void input_listener() {
KeyEvent event = read_key();
if (event.key_type == KEY_NONE)
continue;
if (event.key_type == KEY_CHAR && event.c == CTRL('q'))
if (event.key_type == KEY_CHAR && *event.c == CTRL('q'))
running = false;
event_queue.push(event);
std::this_thread::sleep_for(std::chrono::microseconds(100));
@@ -32,41 +32,49 @@ void input_listener() {
}
void handle_editor_event(Editor *editor, KeyEvent event) {
if (event.key_type == KEY_SPECIAL && event.special_key == KEY_DOWN)
cursor_down(editor, 1);
if (event.key_type == KEY_SPECIAL && event.special_key == KEY_UP)
cursor_up(editor, 1);
if (event.key_type == KEY_SPECIAL && event.special_key == KEY_LEFT)
cursor_left(editor, 1);
if (event.key_type == KEY_SPECIAL && event.special_key == KEY_RIGHT)
cursor_right(editor, 1);
if (event.key_type == KEY_CHAR &&
((event.c >= 'a' && event.c <= 'z') ||
(event.c >= 'A' && event.c <= 'Z') ||
(event.c >= '0' && event.c <= '9') || event.c == ' ' || event.c == '!' ||
event.c == '@' || event.c == '#' || event.c == '$' || event.c == '%' ||
event.c == '^' || event.c == '&' || event.c == '*' || event.c == '(' ||
event.c == ')' || event.c == '-' || event.c == '_' || event.c == '=' ||
event.c == '+' || event.c == '[' || event.c == ']' || event.c == '{' ||
event.c == '}' || event.c == '\\' || event.c == '|' || event.c == ';' ||
event.c == ':' || event.c == '\'' || event.c == '"' || event.c == ',' ||
event.c == '.' || event.c == '<' || event.c == '>' || event.c == '/' ||
event.c == '?' || event.c == '`' || event.c == '~')) {
edit_insert(editor, editor->cursor, &event.c, 1);
cursor_right(editor, 1);
if (event.key_type == KEY_SPECIAL) {
switch (event.special_key) {
case KEY_DOWN:
cursor_down(editor, 1);
break;
case KEY_UP:
cursor_up(editor, 1);
break;
case KEY_LEFT:
cursor_left(editor, 1);
break;
case KEY_RIGHT:
cursor_right(editor, 1);
break;
}
}
if (event.key_type == KEY_CHAR && event.c == '\t') {
edit_insert(editor, editor->cursor, (char *)"\t", 1);
cursor_right(editor, 2);
switch (mode) {
case NORMAL:
break;
case INSERT:
if (event.key_type == KEY_CHAR) {
if (event.len == 1) {
if (event.c[0] == '\t') {
edit_insert(editor, editor->cursor, (char *)" ", 1);
cursor_right(editor, 2);
} else if (event.c[0] == '\n' || event.c[0] == '\r') {
edit_insert(editor, editor->cursor, (char *)"\n", 1);
cursor_right(editor, 1);
} else if (event.c[0] == 0x7F) {
edit_erase(editor, editor->cursor, -1);
} else if (isprint((unsigned char)(event.c[0]))) {
edit_insert(editor, editor->cursor, event.c, 1);
cursor_right(editor, 1);
}
} else if (event.len > 1) {
edit_insert(editor, editor->cursor, event.c, event.len);
cursor_right(editor, 1);
}
}
if (event.key_type == KEY_SPECIAL && event.special_key == KEY_DELETE)
edit_erase(editor, editor->cursor, 1);
break;
}
if (event.key_type == KEY_CHAR && (event.c == '\n' || event.c == '\r')) {
edit_insert(editor, editor->cursor, (char *)"\n", 1);
cursor_right(editor, 1);
}
if (event.key_type == KEY_CHAR && event.c == 0x7F)
edit_erase(editor, editor->cursor, -1);
if (event.key_type == KEY_SPECIAL && event.special_key == KEY_DELETE)
edit_erase(editor, editor->cursor, 1);
ensure_scroll(editor);
}