diff options
| -rw-r--r-- | 070display.cc | 10 | ||||
| -rw-r--r-- | 071print.mu | 10 | ||||
| -rw-r--r-- | termbox/termbox.c | 9 | ||||
| -rw-r--r-- | termbox/termbox.h | 3 |
4 files changed, 32 insertions, 0 deletions
diff --git a/070display.cc b/070display.cc index 2c52534e..8c02bc57 100644 --- a/070display.cc +++ b/070display.cc @@ -49,6 +49,16 @@ case CLEAR_DISPLAY: { } :(before "End Primitive Recipe Declarations") +SYNC_DISPLAY, +:(before "End Primitive Recipe Numbers") +Recipe_ordinal["sync-display"] = SYNC_DISPLAY; +:(before "End Primitive Recipe Implementations") +case SYNC_DISPLAY: { + tb_sync(); + break; +} + +:(before "End Primitive Recipe Declarations") CLEAR_LINE_ON_DISPLAY, :(before "End Primitive Recipe Numbers") Recipe_ordinal["clear-line-on-display"] = CLEAR_LINE_ON_DISPLAY; diff --git a/071print.mu b/071print.mu index 186f5913..6aeb2042 100644 --- a/071print.mu +++ b/071print.mu @@ -65,6 +65,16 @@ recipe clear-screen [ reply sc/same-as-ingredient:0 ] +recipe sync-screen [ + local-scope + sc:address:screen <- next-ingredient + { + break-if sc + sync-display + } + # do nothing for fake screens +] + recipe fake-screen-is-empty? [ local-scope sc:address:screen <- next-ingredient diff --git a/termbox/termbox.c b/termbox/termbox.c index c9ea6012..76d43753 100644 --- a/termbox/termbox.c +++ b/termbox/termbox.c @@ -181,6 +181,10 @@ void tb_present(void) front = &CELL(&front_buffer, x, y); w = wcwidth(back->ch); if (w < 1) w = 1; + if (memcmp(back, front, sizeof(struct tb_cell)) == 0) { + x += w; + continue; + } memcpy(front, back, sizeof(struct tb_cell)); send_attr(back->fg, back->bg); if (w > 1 && x >= front_buffer.width - (w - 1)) { @@ -205,6 +209,11 @@ void tb_present(void) bytebuffer_flush(&output_buffer, inout); } +void tb_sync(void) { + cellbuf_clear(&front_buffer); + tb_present(); +} + void tb_set_cursor(int cx, int cy) { assert(termw != -1); diff --git a/termbox/termbox.h b/termbox/termbox.h index c629b01c..a94d2b85 100644 --- a/termbox/termbox.h +++ b/termbox/termbox.h @@ -49,6 +49,9 @@ int tb_height(void); * tb_present(). */ void tb_present(void); +/* Variant of tb_present() that always refreshes the entire screen. */ +void tb_sync(void); + /* Returns a pointer to the internal screen state: a 1D array of cells in * raster order. You'll need to call tb_width() and tb_height() for the * array's dimensions. The array stays valid until tb_clear() or tb_present() |