diff --git a/include/buffer.h b/include/buffer.h index ecabe75..80e965a 100644 --- a/include/buffer.h +++ b/include/buffer.h @@ -4,9 +4,9 @@ #include #include -#include "erow.h" #include "utils.h" +struct erow; struct buffer { char *filename; diff --git a/include/cursor.h b/include/cursor.h index c7a9c41..71bce7f 100644 --- a/include/cursor.h +++ b/include/cursor.h @@ -1,8 +1,7 @@ #ifndef CURSOR_H #define CURSOR_H -#include "buffer.h" - +struct buffer; void cursor_move(struct buffer *buffer, int dx, int dy); #endif // CURSOR_H diff --git a/src/kilo.c b/src/kilo.c index ac74867..40b730f 100644 --- a/src/kilo.c +++ b/src/kilo.c @@ -1,4 +1,7 @@ +#define _POSIX_C_SOURCE 199309L + #include +#include #include #include #include @@ -15,6 +18,7 @@ #include "utils.h" void editor_init(char *filename); +void editor_resize(); struct editor_state E; @@ -39,7 +43,6 @@ void editor_init(char *filename) { if (terminal_get_win_size(&E.screenrows, &E.screencols) == -1) die("term_get_win_size"); - E.screenrows -= 2; E.quit_times = 3; E.current_buf = buffer_create(); @@ -48,6 +51,10 @@ void editor_init(char *filename) { editor_set_message("Welcome to kilo! | CTRL-Q: Quit | CTRL-S: SAVE"); terminal_clear(); + + struct sigaction sa; + sa.sa_handler = editor_resize; + sigaction(SIGWINCH, &sa, NULL); } void editor_set_message(const char *fmt, ...) { @@ -112,3 +119,10 @@ success: editor_set_message(""); return buf; } + +void editor_resize() { + if (terminal_get_win_size(&E.screenrows, &E.screencols) == -1) + die("term_get_win_size"); + + ui_draw_screen(); +} diff --git a/src/terminal.c b/src/terminal.c index 76646cd..9448b21 100644 --- a/src/terminal.c +++ b/src/terminal.c @@ -48,7 +48,7 @@ ERRCODE terminal_get_win_size(int *row, int *col) { struct winsize ws; if (ioctl(STDOUT_FILENO, TIOCGWINSZ, &ws) != -1 && ws.ws_col != 0) { - *row = ws.ws_row; + *row = ws.ws_row - 2; *col = ws.ws_col; return 0; @@ -56,7 +56,14 @@ ERRCODE terminal_get_win_size(int *row, int *col) { // Fallback implementation if (write(STDOUT_FILENO, "\x1b[999C\x1b[999B", 12) != 12) return -1; - return terminal_get_cursor_pos(row, col); + int _row, _col; + ERRCODE get_err = terminal_get_cursor_pos(&_row, &_col); + if (get_err == 0) { + *row = _row - 2; + *col = _col; + } + + return get_err; } } @@ -90,8 +97,13 @@ ERRCODE terminal_set_cursor_pos(int row, int col) { KEY terminal_read_key(void) { char c; - int n; - while (read(STDIN_FILENO, &c, 1) == 0); + + ssize_t read_return = 0; + while (read_return == 0) + read_return = read(STDIN_FILENO, &c, 1); + + if (read_return == -1) + return NOP; if (c == '\x1b') { char buf[8] = { '\0' }; @@ -105,7 +117,7 @@ KEY terminal_read_key(void) { char escape_char; int escape_int; - n = 0; + int n = 0; sscanf(buf, "[%c%n", &escape_char, &n); if (n > 0) { switch (escape_char) {