diff options
Diffstat (limited to 'toys')
| -rw-r--r-- | toys/example/test_scankey.c | 67 | ||||
| -rw-r--r-- | toys/other/hexedit.c | 25 |
2 files changed, 82 insertions, 10 deletions
diff --git a/toys/example/test_scankey.c b/toys/example/test_scankey.c new file mode 100644 index 00000000..65c07204 --- /dev/null +++ b/toys/example/test_scankey.c @@ -0,0 +1,67 @@ +/* test_scankey.c - collate incoming ansi escape sequences. + * + * Copyright 2015 Rob Landley <rob@landley.net> + +USE_TEST_SCANKEY(NEWTOY(test_scankey, 0, 0)) + +config TEST_SCANKEY + bool "test_scankey" + default n + help + usage: test_scankey + + Move a letter around the screen. Hit ESC to exit. +*/ + +#define FOR_test_scankey +#include "toys.h" + +void test_scankey_main(void) +{ + time_t t[2]; + unsigned width, height, tick; + char c = 'X', scratch[16]; + int key, x, y; + + t[0] = t[1] = x = tick = 0; + memset(scratch, 0, 16); + y = 1; + + sigatexit(tty_sigreset); // Make ctrl-c restore tty + tty_esc("?25l"); // hide cursor + tty_esc("0m"); // reset color to default + tty_esc("2J"); // Clear screen + set_terminal(1, 1, 0); // Raw mode + + for (;;) { + tty_jump(x, y); + xputc(c); + t[1&++tick] = time(0); + key = scan_key_getsize(scratch, !!t[0]+2*(t[0] != t[1]), &width, &height); + tty_jump(0, 0); + printf("ESC to exit: key=%d x=%d y=%d width=%d height=%d ", + key, x, y, width, height); + + if (key == -2) continue; + if (key <= ' ') break; + if (key>=256) { + tty_jump(x, y); + xputc(' '); + + key -= 256; + if (key==KEY_UP) y--; + else if (key==KEY_DOWN) y++; + else if (key==KEY_RIGHT) x++; + else if (key==KEY_LEFT) x--; + else if (key==KEY_PGUP) y = 0; + else if (key==KEY_PGDN) y = 999; + else if (key==KEY_HOME) x = 0; + else if (key==KEY_END) x = 999; + if (y<1) y = 1; + if (y>=height) y = height-1; + if (x<0) x = 0; + if (x>=width) x = width-1; + } else c = key; + } + tty_reset(); +} diff --git a/toys/other/hexedit.c b/toys/other/hexedit.c index 1c2ad88e..b3bde2e5 100644 --- a/toys/other/hexedit.c +++ b/toys/other/hexedit.c @@ -213,16 +213,21 @@ void hexedit_main(void) pos = ll[--TT.undo]; TT.data[pos] = toybuf[sizeof(long long)*UNDO_LEN+TT.undo]; } - } else if (key==KEY_UP) pos -= 16; - else if (key==KEY_DOWN) pos += 16; - else if (key==KEY_RIGHT) { - if (x<15) pos++; - } else if (key==KEY_LEFT) { - if (x) pos--; - } else if (key==KEY_PGUP) pos -= 16*TT.height; - else if (key==KEY_PGDN) pos += 16*TT.height; - else if (key==KEY_HOME) pos = 0; - else if (key==KEY_END) pos = TT.len-1; + } + if (key>256) { + key -= 256; + + if (key==KEY_UP) pos -= 16; + else if (key==KEY_DOWN) pos += 16; + else if (key==KEY_RIGHT) { + if (x<15) pos++; + } else if (key==KEY_LEFT) { + if (x) pos--; + } else if (key==KEY_PGUP) pos -= 16*TT.height; + else if (key==KEY_PGDN) pos += 16*TT.height; + else if (key==KEY_HOME) pos = 0; + else if (key==KEY_END) pos = TT.len-1; + } } munmap(TT.data, TT.len); close(fd); |