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vt: execute: implement HT - horizontal tab
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1 changed files with 13 additions and 1 deletions
14
vt.c
14
vt.c
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@ -604,6 +604,7 @@ action(struct terminal *term, enum action action, uint8_t c)
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LOG_DBG("execute: 0x%02x", c);
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switch (c) {
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case '\n':
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/* LF - line feed */
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if (term->grid.cursor.row == term->grid.scroll_region.end - 1) {
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grid_scroll(&term->grid, 1);
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} else
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@ -611,19 +612,30 @@ action(struct terminal *term, enum action action, uint8_t c)
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break;
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case '\r':
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/* FF - form feed */
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grid_cursor_left(&term->grid, term->grid.cursor.col);
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break;
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case '\b':
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/* backspace */
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grid_cursor_left(&term->grid, 1);
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break;
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case '\x07':
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/* BEL */
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LOG_WARN("BELL");
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break;
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case '\x09': {
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/* HT - horizontal tab */
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int col = term->grid.cursor.col;
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col = (col + 8) / 8 * 8;
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grid_cursor_right(&term->grid, col - term->grid.cursor.col);
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break;
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}
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default:
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LOG_ERR("execute: unimplemented: %c", c);
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LOG_ERR("execute: unimplemented: %c (0x%02x)", c, c);
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return false;
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}
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