diff --git a/build.zig b/build.zig index 80de3e8..36a78c6 100644 --- a/build.zig +++ b/build.zig @@ -68,13 +68,17 @@ pub fn build(b: *std.Build) !void { const clap = b.dependency("clap", .{ .target = target, .optimize = optimize }); exe.root_module.addImport("clap", clap.module("clap")); - exe.addIncludePath(b.path("include")); + const termbox_dep = b.dependency("termbox2", .{ + .target = target, + .optimize = optimize, + }); + exe.linkSystemLibrary("pam"); if (enable_x11_support) exe.linkSystemLibrary("xcb"); exe.linkLibC(); const translate_c = b.addTranslateC(.{ - .root_source_file = b.path("include/termbox2.h"), + .root_source_file = termbox_dep.path("termbox2.h"), .target = target, .optimize = optimize, }); diff --git a/build.zig.zon b/build.zig.zon index 08d7e95..5d8e4e4 100644 --- a/build.zig.zon +++ b/build.zig.zon @@ -12,6 +12,10 @@ .url = "https://github.com/Kawaii-Ash/zigini/archive/2ed3d417f17fab5b0ee8cad8a63c6d62d7ac1042.tar.gz", .hash = "zigini-0.3.1-BSkB7XJGAAB2E-sKyzhTaQCBlYBL8yqzE4E_jmSY99sC", }, + .termbox2 = .{ + .url = "git+https://github.com/termbox/termbox2#8ee9dc17e1ca61c630f91db0aa7f81fa29a32040", + .hash = "N-V-__8AAKvjBAAUF2KVdkHsNs7L5EEZYzBnrJTBvj-baBMZ", + }, }, .paths = .{""}, } diff --git a/include/termbox2.h b/include/termbox2.h deleted file mode 100644 index 831b824..0000000 --- a/include/termbox2.h +++ /dev/null @@ -1,4321 +0,0 @@ -/* -MIT License - -Copyright (c) 2010-2020 nsf - 2015-2025 Adam Saponara - -Permission is hereby granted, free of charge, to any person obtaining a copy -of this software and associated documentation files (the "Software"), to deal -in the Software without restriction, including without limitation the rights -to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -copies of the Software, and to permit persons to whom the Software is -furnished to do so, subject to the following conditions: - -The above copyright notice and this permission notice shall be included in all -copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE -SOFTWARE. -*/ - -#ifndef TERMBOX_H_INCL -#define TERMBOX_H_INCL - -#ifndef _XOPEN_SOURCE -#define _XOPEN_SOURCE -#endif - -#ifndef _DEFAULT_SOURCE -#define _DEFAULT_SOURCE -#endif - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#ifdef PATH_MAX -#define TB_PATH_MAX PATH_MAX -#else -#define TB_PATH_MAX 4096 -#endif - -#ifdef __cplusplus -extern "C" { -#endif - -// __ffi_start - -#define TB_VERSION_STR "2.6.0-dev" - -/* The following compile-time options are supported: - * - * TB_OPT_ATTR_W: Integer width of `fg` and `bg` attributes. Valid values - * (assuming system support) are 16, 32, and 64. (See - * `uintattr_t`). 32 or 64 enables output mode - * `TB_OUTPUT_TRUECOLOR`. 64 enables additional style - * attributes. (See `tb_set_output_mode`.) Larger values - * consume more memory in exchange for more features. - * Defaults to 16. - * - * TB_OPT_EGC: If set, enable extended grapheme cluster support - * (`tb_extend_cell`, `tb_set_cell_ex`). Consumes more - * memory. Defaults off. - * - * TB_OPT_PRINTF_BUF: Write buffer size for printf operations. Represents the - * largest string that can be sent in one call to - * `tb_print*` and `tb_send*` functions. Defaults to 4096. - * - * TB_OPT_READ_BUF: Read buffer size for tty reads. Defaults to 64. - * - * TB_OPT_LIBC_WCHAR: If set, use libc's `wcwidth(3)`, `iswprint(3)`, etc - * instead of the built-in Unicode-aware versions. Note, - * libc's are locale-dependent and the caller must - * `setlocale(3)` `LC_CTYPE` to UTF-8. Defaults to built-in. - * - * TB_OPT_TRUECOLOR: Deprecated. Sets TB_OPT_ATTR_W to 32 if not already set. - */ - -#if defined(TB_LIB_OPTS) || 0 // __tb_lib_opts -/* Ensure consistent compile-time options when using as a shared library */ -#undef TB_OPT_ATTR_W -#undef TB_OPT_EGC -#undef TB_OPT_PRINTF_BUF -#undef TB_OPT_READ_BUF -#undef TB_OPT_LIBC_WCHAR -#define TB_OPT_ATTR_W 64 -#define TB_OPT_EGC -#endif - -/* Ensure sane `TB_OPT_ATTR_W` (16, 32, or 64) */ -#if defined TB_OPT_ATTR_W && TB_OPT_ATTR_W == 16 -#elif defined TB_OPT_ATTR_W && TB_OPT_ATTR_W == 32 -#elif defined TB_OPT_ATTR_W && TB_OPT_ATTR_W == 64 -#else -#undef TB_OPT_ATTR_W -#if defined TB_OPT_TRUECOLOR // Deprecated. Back-compat for old flag. -#define TB_OPT_ATTR_W 32 -#else -#define TB_OPT_ATTR_W 16 -#endif -#endif - -/* ASCII key constants (`tb_event.key`) */ -#define TB_KEY_CTRL_TILDE 0x00 -#define TB_KEY_CTRL_2 0x00 // clash with `CTRL_TILDE` -#define TB_KEY_CTRL_A 0x01 -#define TB_KEY_CTRL_B 0x02 -#define TB_KEY_CTRL_C 0x03 -#define TB_KEY_CTRL_D 0x04 -#define TB_KEY_CTRL_E 0x05 -#define TB_KEY_CTRL_F 0x06 -#define TB_KEY_CTRL_G 0x07 -#define TB_KEY_BACKSPACE 0x08 -#define TB_KEY_CTRL_H 0x08 // clash with `CTRL_BACKSPACE` -#define TB_KEY_TAB 0x09 -#define TB_KEY_CTRL_I 0x09 // clash with `TAB` -#define TB_KEY_CTRL_J 0x0a -#define TB_KEY_CTRL_K 0x0b -#define TB_KEY_CTRL_L 0x0c -#define TB_KEY_ENTER 0x0d -#define TB_KEY_CTRL_M 0x0d // clash with `ENTER` -#define TB_KEY_CTRL_N 0x0e -#define TB_KEY_CTRL_O 0x0f -#define TB_KEY_CTRL_P 0x10 -#define TB_KEY_CTRL_Q 0x11 -#define TB_KEY_CTRL_R 0x12 -#define TB_KEY_CTRL_S 0x13 -#define TB_KEY_CTRL_T 0x14 -#define TB_KEY_CTRL_U 0x15 -#define TB_KEY_CTRL_V 0x16 -#define TB_KEY_CTRL_W 0x17 -#define TB_KEY_CTRL_X 0x18 -#define TB_KEY_CTRL_Y 0x19 -#define TB_KEY_CTRL_Z 0x1a -#define TB_KEY_ESC 0x1b -#define TB_KEY_CTRL_LSQ_BRACKET 0x1b // clash with 'ESC' -#define TB_KEY_CTRL_3 0x1b // clash with 'ESC' -#define TB_KEY_CTRL_4 0x1c -#define TB_KEY_CTRL_BACKSLASH 0x1c // clash with 'CTRL_4' -#define TB_KEY_CTRL_5 0x1d -#define TB_KEY_CTRL_RSQ_BRACKET 0x1d // clash with 'CTRL_5' -#define TB_KEY_CTRL_6 0x1e -#define TB_KEY_CTRL_7 0x1f -#define TB_KEY_CTRL_SLASH 0x1f // clash with 'CTRL_7' -#define TB_KEY_CTRL_UNDERSCORE 0x1f // clash with 'CTRL_7' -#define TB_KEY_SPACE 0x20 -#define TB_KEY_BACKSPACE2 0x7f -#define TB_KEY_CTRL_8 0x7f // clash with 'BACKSPACE2' - -#define tb_key_i(i) 0xffff - (i) -/* Terminal-dependent key constants (`tb_event.key`) and terminfo caps */ -/* BEGIN codegen h */ -/* Produced by ./codegen.sh on Tue, 03 Sep 2024 04:17:47 +0000 */ -#define TB_KEY_F1 (0xffff - 0) -#define TB_KEY_F2 (0xffff - 1) -#define TB_KEY_F3 (0xffff - 2) -#define TB_KEY_F4 (0xffff - 3) -#define TB_KEY_F5 (0xffff - 4) -#define TB_KEY_F6 (0xffff - 5) -#define TB_KEY_F7 (0xffff - 6) -#define TB_KEY_F8 (0xffff - 7) -#define TB_KEY_F9 (0xffff - 8) -#define TB_KEY_F10 (0xffff - 9) -#define TB_KEY_F11 (0xffff - 10) -#define TB_KEY_F12 (0xffff - 11) -#define TB_KEY_INSERT (0xffff - 12) -#define TB_KEY_DELETE (0xffff - 13) -#define TB_KEY_HOME (0xffff - 14) -#define TB_KEY_END (0xffff - 15) -#define TB_KEY_PGUP (0xffff - 16) -#define TB_KEY_PGDN (0xffff - 17) -#define TB_KEY_ARROW_UP (0xffff - 18) -#define TB_KEY_ARROW_DOWN (0xffff - 19) -#define TB_KEY_ARROW_LEFT (0xffff - 20) -#define TB_KEY_ARROW_RIGHT (0xffff - 21) -#define TB_KEY_BACK_TAB (0xffff - 22) -#define TB_KEY_MOUSE_LEFT (0xffff - 23) -#define TB_KEY_MOUSE_RIGHT (0xffff - 24) -#define TB_KEY_MOUSE_MIDDLE (0xffff - 25) -#define TB_KEY_MOUSE_RELEASE (0xffff - 26) -#define TB_KEY_MOUSE_WHEEL_UP (0xffff - 27) -#define TB_KEY_MOUSE_WHEEL_DOWN (0xffff - 28) - -#define TB_CAP_F1 0 -#define TB_CAP_F2 1 -#define TB_CAP_F3 2 -#define TB_CAP_F4 3 -#define TB_CAP_F5 4 -#define TB_CAP_F6 5 -#define TB_CAP_F7 6 -#define TB_CAP_F8 7 -#define TB_CAP_F9 8 -#define TB_CAP_F10 9 -#define TB_CAP_F11 10 -#define TB_CAP_F12 11 -#define TB_CAP_INSERT 12 -#define TB_CAP_DELETE 13 -#define TB_CAP_HOME 14 -#define TB_CAP_END 15 -#define TB_CAP_PGUP 16 -#define TB_CAP_PGDN 17 -#define TB_CAP_ARROW_UP 18 -#define TB_CAP_ARROW_DOWN 19 -#define TB_CAP_ARROW_LEFT 20 -#define TB_CAP_ARROW_RIGHT 21 -#define TB_CAP_BACK_TAB 22 -#define TB_CAP__COUNT_KEYS 23 -#define TB_CAP_ENTER_CA 23 -#define TB_CAP_EXIT_CA 24 -#define TB_CAP_SHOW_CURSOR 25 -#define TB_CAP_HIDE_CURSOR 26 -#define TB_CAP_CLEAR_SCREEN 27 -#define TB_CAP_SGR0 28 -#define TB_CAP_UNDERLINE 29 -#define TB_CAP_BOLD 30 -#define TB_CAP_BLINK 31 -#define TB_CAP_ITALIC 32 -#define TB_CAP_REVERSE 33 -#define TB_CAP_ENTER_KEYPAD 34 -#define TB_CAP_EXIT_KEYPAD 35 -#define TB_CAP_DIM 36 -#define TB_CAP_INVISIBLE 37 -#define TB_CAP__COUNT 38 -/* END codegen h */ - -/* Some hard-coded caps */ -#define TB_HARDCAP_ENTER_MOUSE "\x1b[?1000h\x1b[?1002h\x1b[?1015h\x1b[?1006h" -#define TB_HARDCAP_EXIT_MOUSE "\x1b[?1006l\x1b[?1015l\x1b[?1002l\x1b[?1000l" -#define TB_HARDCAP_STRIKEOUT "\x1b[9m" -#define TB_HARDCAP_UNDERLINE_2 "\x1b[21m" -#define TB_HARDCAP_OVERLINE "\x1b[53m" - -/* Colors (numeric) and attributes (bitwise) (`tb_cell.fg`, `tb_cell.bg`) */ -#define TB_DEFAULT 0x0000 -#define TB_BLACK 0x0001 -#define TB_RED 0x0002 -#define TB_GREEN 0x0003 -#define TB_YELLOW 0x0004 -#define TB_BLUE 0x0005 -#define TB_MAGENTA 0x0006 -#define TB_CYAN 0x0007 -#define TB_WHITE 0x0008 - -#if TB_OPT_ATTR_W == 16 -#define TB_BOLD 0x0100 -#define TB_UNDERLINE 0x0200 -#define TB_REVERSE 0x0400 -#define TB_ITALIC 0x0800 -#define TB_BLINK 0x1000 -#define TB_HI_BLACK 0x2000 -#define TB_BRIGHT 0x4000 -#define TB_DIM 0x8000 -#define TB_256_BLACK TB_HI_BLACK // `TB_256_BLACK` is deprecated -#else -// `TB_OPT_ATTR_W` is 32 or 64 -#define TB_BOLD 0x01000000 -#define TB_UNDERLINE 0x02000000 -#define TB_REVERSE 0x04000000 -#define TB_ITALIC 0x08000000 -#define TB_BLINK 0x10000000 -#define TB_HI_BLACK 0x20000000 -#define TB_BRIGHT 0x40000000 -#define TB_DIM 0x80000000 -#define TB_TRUECOLOR_BOLD TB_BOLD // `TB_TRUECOLOR_*` is deprecated -#define TB_TRUECOLOR_UNDERLINE TB_UNDERLINE -#define TB_TRUECOLOR_REVERSE TB_REVERSE -#define TB_TRUECOLOR_ITALIC TB_ITALIC -#define TB_TRUECOLOR_BLINK TB_BLINK -#define TB_TRUECOLOR_BLACK TB_HI_BLACK -#endif - -#if TB_OPT_ATTR_W == 64 -#define TB_STRIKEOUT 0x0000000100000000 -#define TB_UNDERLINE_2 0x0000000200000000 -#define TB_OVERLINE 0x0000000400000000 -#define TB_INVISIBLE 0x0000000800000000 -#endif - -/* Event types (`tb_event.type`) */ -#define TB_EVENT_KEY 1 -#define TB_EVENT_RESIZE 2 -#define TB_EVENT_MOUSE 3 - -/* Key modifiers (bitwise) (`tb_event.mod`) */ -#define TB_MOD_ALT 1 -#define TB_MOD_CTRL 2 -#define TB_MOD_SHIFT 4 -#define TB_MOD_MOTION 8 - -/* Input modes (bitwise) (`tb_set_input_mode`) */ -#define TB_INPUT_CURRENT 0 -#define TB_INPUT_ESC 1 -#define TB_INPUT_ALT 2 -#define TB_INPUT_MOUSE 4 - -/* Output modes (`tb_set_output_mode`) */ -#define TB_OUTPUT_CURRENT 0 -#define TB_OUTPUT_NORMAL 1 -#define TB_OUTPUT_256 2 -#define TB_OUTPUT_216 3 -#define TB_OUTPUT_GRAYSCALE 4 -#if TB_OPT_ATTR_W >= 32 -#define TB_OUTPUT_TRUECOLOR 5 -#endif - -/* Common function return values unless otherwise noted. - * - * Library behavior is undefined after receiving `TB_ERR_MEM`. Callers may - * attempt reinitializing by freeing memory, invoking `tb_shutdown`, then - * `tb_init`. - */ -#define TB_OK 0 -#define TB_ERR -1 -#define TB_ERR_NEED_MORE -2 -#define TB_ERR_INIT_ALREADY -3 -#define TB_ERR_INIT_OPEN -4 -#define TB_ERR_MEM -5 -#define TB_ERR_NO_EVENT -6 -#define TB_ERR_NO_TERM -7 -#define TB_ERR_NOT_INIT -8 -#define TB_ERR_OUT_OF_BOUNDS -9 -#define TB_ERR_READ -10 -#define TB_ERR_RESIZE_IOCTL -11 -#define TB_ERR_RESIZE_PIPE -12 -#define TB_ERR_RESIZE_SIGACTION -13 -#define TB_ERR_POLL -14 -#define TB_ERR_TCGETATTR -15 -#define TB_ERR_TCSETATTR -16 -#define TB_ERR_UNSUPPORTED_TERM -17 -#define TB_ERR_RESIZE_WRITE -18 -#define TB_ERR_RESIZE_POLL -19 -#define TB_ERR_RESIZE_READ -20 -#define TB_ERR_RESIZE_SSCANF -21 -#define TB_ERR_CAP_COLLISION -22 - -#define TB_ERR_SELECT TB_ERR_POLL -#define TB_ERR_RESIZE_SELECT TB_ERR_RESIZE_POLL - -/* Deprecated. Function types to be used with `tb_set_func`. */ -#define TB_FUNC_EXTRACT_PRE 0 -#define TB_FUNC_EXTRACT_POST 1 - -/* Define this to set the size of the buffer used in `tb_printf` - * and `tb_sendf` - */ -#ifndef TB_OPT_PRINTF_BUF -#define TB_OPT_PRINTF_BUF 4096 -#endif - -/* Define this to set the size of the read buffer used when reading - * from the tty - */ -#ifndef TB_OPT_READ_BUF -#define TB_OPT_READ_BUF 64 -#endif - -/* Define this for limited back compat with termbox v1 */ -#ifdef TB_OPT_V1_COMPAT -#define tb_change_cell tb_set_cell -#define tb_put_cell(x, y, c) tb_set_cell((x), (y), (c)->ch, (c)->fg, (c)->bg) -#define tb_set_clear_attributes tb_set_clear_attrs -#define tb_select_input_mode tb_set_input_mode -#define tb_select_output_mode tb_set_output_mode -#endif - -/* Define these to swap in a different allocator */ -#ifndef tb_malloc -#define tb_malloc malloc -#define tb_realloc realloc -#define tb_free free -#endif - -#if TB_OPT_ATTR_W == 64 -typedef uint64_t uintattr_t; -#elif TB_OPT_ATTR_W == 32 -typedef uint32_t uintattr_t; -#else // 16 -typedef uint16_t uintattr_t; -#endif - -/* A cell in a 2d grid representing the terminal screen. - * - * The terminal screen is represented as 2d array of cells. The structure is - * optimized for dealing with single-width (`wcwidth==1`) Unicode codepoints, - * however some support for grapheme clusters (e.g., combining diacritical - * marks) and wide codepoints (e.g., Hiragana) is provided through `ech`, - * `nech`, and `cech` via `tb_set_cell_ex`. `ech` is only valid when `nech>0`, - * otherwise `ch` is used. - * - * For non-single-width codepoints, given `N=wcwidth(ch)/wcswidth(ech)`: - * - * when `N==0`: termbox forces a single-width cell. Callers should avoid this - * if aiming to render text accurately. Callers may use - * `tb_set_cell_ex` or `tb_print*` to render `N==0` combining - * characters. - * - * when `N>1`: termbox zeroes out the following `N-1` cells and skips sending - * them to the tty. So, e.g., if the caller sets `x=0,y=0` to an - * `N==2` codepoint, the caller's next set should be at `x=2,y=0`. - * Anything set at `x=1,y=0` will be ignored. If there are not - * enough columns remaining on the line to render `N` width, spaces - * are sent instead. - * - * See `tb_present` for implementation. - */ -struct tb_cell { - uint32_t ch; // a Unicode codepoint - uintattr_t fg; // bitwise foreground attributes - uintattr_t bg; // bitwise background attributes -#ifdef TB_OPT_EGC - uint32_t *ech; // a grapheme cluster of Unicode codepoints, 0-terminated - size_t nech; // num elements in ech, 0 means use ch instead of ech - size_t cech; // num elements allocated for ech -#endif -}; - -/* An incoming event from the tty. - * - * Given the event type, the following fields are relevant: - * - * when `TB_EVENT_KEY`: `key` xor `ch` (one will be zero) and `mod`. Note - * there is overlap between `TB_MOD_CTRL` and - * `TB_KEY_CTRL_*`. `TB_MOD_CTRL` and `TB_MOD_SHIFT` are - * only set as modifiers to `TB_KEY_ARROW_*`. - * - * when `TB_EVENT_RESIZE`: `w` and `h` - * - * when `TB_EVENT_MOUSE`: `key` (`TB_KEY_MOUSE_*`), `x`, and `y` - */ -struct tb_event { - uint8_t type; // one of `TB_EVENT_*` constants - uint8_t mod; // bitwise `TB_MOD_*` constants - uint16_t key; // one of `TB_KEY_*` constants - uint32_t ch; // a Unicode codepoint - int32_t w; // resize width - int32_t h; // resize height - int32_t x; // mouse x - int32_t y; // mouse y -}; - -/* Initialize the termbox library. This function should be called before any - * other functions. `tb_init` is equivalent to `tb_init_file("/dev/tty")`. After - * successful initialization, the library must be finalized using `tb_shutdown`. - */ -int tb_init(void); -int tb_init_file(const char *path); -int tb_init_fd(int ttyfd); -int tb_init_rwfd(int rfd, int wfd); -int tb_shutdown(void); - -/* Return the size of the internal back buffer (which is the same as terminal's - * window size in rows and columns). The internal buffer can be resized after - * `tb_clear` or `tb_present` calls. Both dimensions have an unspecified - * negative value when called before `tb_init` or after `tb_shutdown`. - */ -int tb_width(void); -int tb_height(void); - -/* Clear the internal back buffer using `TB_DEFAULT` or the attributes set by - * `tb_set_clear_attrs`. - */ -int tb_clear(void); -int tb_set_clear_attrs(uintattr_t fg, uintattr_t bg); - -/* Synchronize the internal back buffer with the terminal by writing to tty. */ -int tb_present(void); - -/* Clear the internal front buffer effectively forcing a complete re-render of - * the back buffer to the tty. It is not necessary to call this under normal - * circumstances. - */ -int tb_invalidate(void); - -/* Set the position of the cursor. Upper-left cell is (0, 0). */ -int tb_set_cursor(int cx, int cy); -int tb_hide_cursor(void); - -/* Set cell contents in the internal back buffer at the specified position. - * - * Use `tb_set_cell_ex` for rendering grapheme clusters (e.g., combining - * diacritical marks). - * - * Calling `tb_set_cell(x, y, ch, fg, bg)` is equivalent to - * `tb_set_cell_ex(x, y, &ch, 1, fg, bg)`. - * - * `tb_extend_cell` is a shortcut for appending 1 codepoint to `tb_cell.ech`. - * - * Non-printable (`iswprint(3)`) codepoints are replaced with `U+FFFD` at render - * time. - */ -int tb_set_cell(int x, int y, uint32_t ch, uintattr_t fg, uintattr_t bg); -int tb_set_cell_ex(int x, int y, uint32_t *ch, size_t nch, uintattr_t fg, - uintattr_t bg); -int tb_extend_cell(int x, int y, uint32_t ch); - -/* Get cell at specified position. - * - * If position is valid, function returns TB_OK and cell contents are copied to - * `cell`. Note if `nech>0`, then `ech` will be a pointer to memory which may - * be invalid or freed after subsequent library calls. Callers must copy this - * memory if they need to persist it for some reason. Modifying memory at `ech` - * results in undefined behavior. - * - * If `back` is non-zero, return cells from the internal back buffer. Otherwise, - * return cells from the front buffer. Note the front buffer is updated on each - * call to tb_present(), whereas the back buffer is updated immediately by - * tb_set_cell() and other functions that mutate cell contents. - */ -int tb_get_cell(int x, int y, int back, struct tb_cell *cell); - -/* Set the input mode. Termbox has two input modes: - * - * 1. `TB_INPUT_ESC` - * When escape (`\x1b`) is in the buffer and there's no match for an escape - * sequence, a key event for `TB_KEY_ESC` is returned. - * - * 2. `TB_INPUT_ALT` - * When escape (`\x1b`) is in the buffer and there's no match for an escape - * sequence, the next keyboard event is returned with a `TB_MOD_ALT` - * modifier. - * - * You can also apply `TB_INPUT_MOUSE` via bitwise OR operation to either of the - * modes (e.g., `TB_INPUT_ESC | TB_INPUT_MOUSE`) to receive `TB_EVENT_MOUSE` - * events. If none of the main two modes were set, but the mouse mode was, - * `TB_INPUT_ESC` is used. If for some reason you've decided to use - * `TB_INPUT_ESC | TB_INPUT_ALT`, it will behave as if only `TB_INPUT_ESC` was - * selected. - * - * If mode is `TB_INPUT_CURRENT`, return the current input mode. - * - * The default input mode is `TB_INPUT_ESC`. - */ -int tb_set_input_mode(int mode); - -/* Set the output mode. Termbox has multiple output modes: - * - * 1. `TB_OUTPUT_NORMAL` => [0..8] - * - * This mode provides 8 different colors: - * `TB_BLACK`, `TB_RED`, `TB_GREEN`, `TB_YELLOW`, - * `TB_BLUE`, `TB_MAGENTA`, `TB_CYAN`, `TB_WHITE` - * - * Plus `TB_DEFAULT` which skips sending a color code (i.e., uses the - * terminal's default color). - * - * Colors (including `TB_DEFAULT`) may be bitwise OR'd with attributes: - * `TB_BOLD`, `TB_UNDERLINE`, `TB_REVERSE`, `TB_ITALIC`, `TB_BLINK`, - * `TB_BRIGHT`, `TB_DIM` - * - * The following style attributes are also available if compiled with - * `TB_OPT_ATTR_W` set to 64: - * `TB_STRIKEOUT`, `TB_UNDERLINE_2`, `TB_OVERLINE`, `TB_INVISIBLE` - * - * As in all modes, the value 0 is interpreted as `TB_DEFAULT` for - * convenience. - * - * Some notes: `TB_REVERSE` and `TB_BRIGHT` can be applied as either `fg` or - * `bg` attributes for the same effect. The rest of the attributes apply to - * `fg` only and are ignored as `bg` attributes. - * - * Example usage: `tb_set_cell(x, y, '@', TB_BLACK | TB_BOLD, TB_RED)` - * - * 2. `TB_OUTPUT_256` => [0..255] + `TB_HI_BLACK` - * - * In this mode you get 256 distinct colors (plus default): - * 0x00 (1): `TB_DEFAULT` - * `TB_HI_BLACK` (1): `TB_BLACK` in `TB_OUTPUT_NORMAL` - * 0x01..0x07 (7): the next 7 colors as in `TB_OUTPUT_NORMAL` - * 0x08..0x0f (8): bright versions of the above - * 0x10..0xe7 (216): 216 different colors - * 0xe8..0xff (24): 24 different shades of gray - * - * All `TB_*` style attributes except `TB_BRIGHT` may be bitwise OR'd as in - * `TB_OUTPUT_NORMAL`. - * - * Note `TB_HI_BLACK` must be used for black, as 0x00 represents default. - * - * 3. `TB_OUTPUT_216` => [0..216] - * - * This mode supports the 216-color range of `TB_OUTPUT_256` only, but you - * don't need to provide an offset: - * 0x00 (1): `TB_DEFAULT` - * 0x01..0xd8 (216): 216 different colors - * - * 4. `TB_OUTPUT_GRAYSCALE` => [0..24] - * - * This mode supports the 24-color range of `TB_OUTPUT_256` only, but you - * don't need to provide an offset: - * 0x00 (1): `TB_DEFAULT` - * 0x01..0x18 (24): 24 different shades of gray - * - * 5. `TB_OUTPUT_TRUECOLOR` => [0x000000..0xffffff] + `TB_HI_BLACK` - * - * This mode provides 24-bit color on supported terminals. The format is - * 0xRRGGBB. - * - * All `TB_*` style attributes except `TB_BRIGHT` may be bitwise OR'd as in - * `TB_OUTPUT_NORMAL`. - * - * Note `TB_HI_BLACK` must be used for black, as 0x000000 represents default. - * - * To use the terminal default color (i.e., to not send an escape code), pass - * `TB_DEFAULT`. For convenience, the value 0 is interpreted as `TB_DEFAULT` in - * all modes. - * - * Note, cell attributes persist after switching output modes. Any translation - * between, for example, `TB_OUTPUT_NORMAL`'s `TB_RED` and - * `TB_OUTPUT_TRUECOLOR`'s 0xff0000 must be performed by the caller. Also note - * that cells previously rendered in one mode may persist unchanged until the - * front buffer is cleared (such as after a resize event) at which point it will - * be re-interpreted and flushed according to the current mode. Callers may - * invoke `tb_invalidate` if it is desirable to immediately re-interpret and - * flush the entire screen according to the current mode. - * - * Note, not all terminals support all output modes, especially beyond - * `TB_OUTPUT_NORMAL`. There is also no very reliable way to determine color - * support dynamically. If portability is desired, callers are recommended to - * use `TB_OUTPUT_NORMAL` or make output mode end-user configurable. The same - * advice applies to style attributes. - * - * If mode is `TB_OUTPUT_CURRENT`, return the current output mode. - * - * The default output mode is `TB_OUTPUT_NORMAL`. - */ -int tb_set_output_mode(int mode); - -/* Wait for an event up to `timeout_ms` milliseconds and populate `event` with - * it. If no event is available within the timeout period, `TB_ERR_NO_EVENT` - * is returned. On a resize event, the underlying `select(2)` call may be - * interrupted, yielding a return code of `TB_ERR_POLL`. In this case, you may - * check `errno` via `tb_last_errno`. If it's `EINTR`, you may elect to ignore - * that and call `tb_peek_event` again. - */ -int tb_peek_event(struct tb_event *event, int timeout_ms); - -/* Same as `tb_peek_event` except no timeout. */ -int tb_poll_event(struct tb_event *event); - -/* Internal termbox fds that can be used with `poll(2)`, `select(2)`, etc. - * externally. Callers must invoke `tb_poll_event` or `tb_peek_event` if - * fds become readable. - */ -int tb_get_fds(int *ttyfd, int *resizefd); - -/* Print and printf functions. Specify param `out_w` to determine width of - * printed string. Strings are interpreted as UTF-8. - * - * Non-printable characters (`iswprint(3)`) and truncated UTF-8 byte sequences - * are replaced with U+FFFD. - * - * Newlines (`\n`) are supported with the caveat that `out_w` will return the - * width of the string as if it were on a single line. - * - * If the starting coordinate is out of bounds, `TB_ERR_OUT_OF_BOUNDS` is - * returned. If the starting coordinate is in bounds, but goes out of bounds, - * then the out-of-bounds portions of the string are ignored. - * - * For finer control, use `tb_set_cell`. - */ -int tb_print(int x, int y, uintattr_t fg, uintattr_t bg, const char *str); -int tb_printf(int x, int y, uintattr_t fg, uintattr_t bg, const char *fmt, ...); -int tb_print_ex(int x, int y, uintattr_t fg, uintattr_t bg, size_t *out_w, - const char *str); -int tb_printf_ex(int x, int y, uintattr_t fg, uintattr_t bg, size_t *out_w, - const char *fmt, ...); - -/* Send raw bytes to terminal. */ -int tb_send(const char *buf, size_t nbuf); -int tb_sendf(const char *fmt, ...); - -/* Deprecated. Set custom callbacks. `fn_type` is one of `TB_FUNC_*` constants, - * `fn` is a compatible function pointer, or NULL to clear. - * - * `TB_FUNC_EXTRACT_PRE`: - * If specified, invoke this function BEFORE termbox tries to extract any - * escape sequences from the input buffer. - * - * `TB_FUNC_EXTRACT_POST`: - * If specified, invoke this function AFTER termbox tries (and fails) to - * extract any escape sequences from the input buffer. - */ -int tb_set_func(int fn_type, int (*fn)(struct tb_event *, size_t *)); - -/* Return byte length of codepoint given first byte of UTF-8 sequence (1-6). */ -int tb_utf8_char_length(char c); - -/* Convert UTF-8 null-terminated byte sequence to UTF-32 codepoint. - * - * If `c` is an empty C string, return 0. `out` is left unchanged. - * - * If a null byte is encountered in the middle of the codepoint, return a - * negative number indicating how many bytes were processed. `out` is left - * unchanged. - * - * Otherwise, return byte length of codepoint (1-6). - */ -int tb_utf8_char_to_unicode(uint32_t *out, const char *c); - -/* Convert UTF-32 codepoint to UTF-8 null-terminated byte sequence. - * - * `out` must be char[7] or greater. Return byte length of codepoint (1-6). - */ -int tb_utf8_unicode_to_char(char *out, uint32_t c); - -/* Library utility functions */ -int tb_last_errno(void); -const char *tb_strerror(int err); -struct tb_cell *tb_cell_buffer(void); // Deprecated -int tb_has_truecolor(void); -int tb_has_egc(void); -int tb_attr_width(void); -const char *tb_version(void); -int tb_iswprint(uint32_t ch); -int tb_wcwidth(uint32_t ch); - -/* Deprecation notice! - * - * The following will be removed in version 3.x (ABI version 3): - * - * TB_256_BLACK (use TB_HI_BLACK) - * TB_OPT_TRUECOLOR (use TB_OPT_ATTR_W) - * TB_TRUECOLOR_BOLD (use TB_BOLD) - * TB_TRUECOLOR_UNDERLINE (use TB_UNDERLINE) - * TB_TRUECOLOR_REVERSE (use TB_REVERSE) - * TB_TRUECOLOR_ITALIC (use TB_ITALIC) - * TB_TRUECOLOR_BLINK (use TB_BLINK) - * TB_TRUECOLOR_BLACK (use TB_HI_BLACK) - * tb_cell_buffer - * tb_set_func - * TB_FUNC_EXTRACT_PRE - * TB_FUNC_EXTRACT_POST - */ - -#ifdef __cplusplus -} -#endif - -#endif // TERMBOX_H_INCL - -#ifdef TB_IMPL - -#define if_err_return(rv, expr) \ - if (((rv) = (expr)) != TB_OK) return (rv) -#define if_err_break(rv, expr) \ - if (((rv) = (expr)) != TB_OK) break -#define if_ok_return(rv, expr) \ - if (((rv) = (expr)) == TB_OK) return (rv) -#define if_ok_or_need_more_return(rv, expr) \ - if (((rv) = (expr)) == TB_OK || (rv) == TB_ERR_NEED_MORE) return (rv) - -#define send_literal(rv, a) \ - if_err_return((rv), bytebuf_nputs(&global.out, (a), sizeof(a) - 1)) - -#define send_num(rv, nbuf, n) \ - if_err_return((rv), \ - bytebuf_nputs(&global.out, (nbuf), convert_num((n), (nbuf)))) - -#define snprintf_or_return(rv, str, sz, fmt, ...) \ - do { \ - (rv) = snprintf((str), (sz), (fmt), __VA_ARGS__); \ - if ((rv) < 0 || (rv) >= (int)(sz)) return TB_ERR; \ - } while (0) - -#define if_not_init_return() \ - if (!global.initialized) return TB_ERR_NOT_INIT - -struct bytebuf_t { - char *buf; - size_t len; - size_t cap; -}; - -struct cellbuf_t { - int width; - int height; - struct tb_cell *cells; -}; - -struct cap_trie_t { - char c; - struct cap_trie_t *children; - size_t nchildren; - int is_leaf; - uint16_t key; - uint8_t mod; -}; - -struct tb_global_t { - int ttyfd; - int rfd; - int wfd; - int ttyfd_open; - int resize_pipefd[2]; - int width; - int height; - int cursor_x; - int cursor_y; - int last_x; - int last_y; - uintattr_t fg; - uintattr_t bg; - uintattr_t last_fg; - uintattr_t last_bg; - int input_mode; - int output_mode; - char *terminfo; - size_t nterminfo; - const char *caps[TB_CAP__COUNT]; - struct cap_trie_t cap_trie; - struct bytebuf_t in; - struct bytebuf_t out; - struct cellbuf_t back; - struct cellbuf_t front; - struct termios orig_tios; - int has_orig_tios; - int last_errno; - int initialized; - int (*fn_extract_esc_pre)(struct tb_event *, size_t *); - int (*fn_extract_esc_post)(struct tb_event *, size_t *); - char errbuf[1024]; -}; - -static struct tb_global_t global = {0}; - -/* BEGIN codegen c */ -/* Produced by ./codegen.sh on Tue, 03 Sep 2024 04:17:48 +0000 */ - -static const int16_t terminfo_cap_indexes[] = { - 66, // kf1 (TB_CAP_F1) - 68, // kf2 (TB_CAP_F2) - 69, // kf3 (TB_CAP_F3) - 70, // kf4 (TB_CAP_F4) - 71, // kf5 (TB_CAP_F5) - 72, // kf6 (TB_CAP_F6) - 73, // kf7 (TB_CAP_F7) - 74, // kf8 (TB_CAP_F8) - 75, // kf9 (TB_CAP_F9) - 67, // kf10 (TB_CAP_F10) - 216, // kf11 (TB_CAP_F11) - 217, // kf12 (TB_CAP_F12) - 77, // kich1 (TB_CAP_INSERT) - 59, // kdch1 (TB_CAP_DELETE) - 76, // khome (TB_CAP_HOME) - 164, // kend (TB_CAP_END) - 82, // kpp (TB_CAP_PGUP) - 81, // knp (TB_CAP_PGDN) - 87, // kcuu1 (TB_CAP_ARROW_UP) - 61, // kcud1 (TB_CAP_ARROW_DOWN) - 79, // kcub1 (TB_CAP_ARROW_LEFT) - 83, // kcuf1 (TB_CAP_ARROW_RIGHT) - 148, // kcbt (TB_CAP_BACK_TAB) - 28, // smcup (TB_CAP_ENTER_CA) - 40, // rmcup (TB_CAP_EXIT_CA) - 16, // cnorm (TB_CAP_SHOW_CURSOR) - 13, // civis (TB_CAP_HIDE_CURSOR) - 5, // clear (TB_CAP_CLEAR_SCREEN) - 39, // sgr0 (TB_CAP_SGR0) - 36, // smul (TB_CAP_UNDERLINE) - 27, // bold (TB_CAP_BOLD) - 26, // blink (TB_CAP_BLINK) - 311, // sitm (TB_CAP_ITALIC) - 34, // rev (TB_CAP_REVERSE) - 89, // smkx (TB_CAP_ENTER_KEYPAD) - 88, // rmkx (TB_CAP_EXIT_KEYPAD) - 30, // dim (TB_CAP_DIM) - 32, // invis (TB_CAP_INVISIBLE) -}; - -// xterm -static const char *xterm_caps[] = { - "\033OP", // kf1 (TB_CAP_F1) - "\033OQ", // kf2 (TB_CAP_F2) - "\033OR", // kf3 (TB_CAP_F3) - "\033OS", // kf4 (TB_CAP_F4) - "\033[15~", // kf5 (TB_CAP_F5) - "\033[17~", // kf6 (TB_CAP_F6) - "\033[18~", // kf7 (TB_CAP_F7) - "\033[19~", // kf8 (TB_CAP_F8) - "\033[20~", // kf9 (TB_CAP_F9) - "\033[21~", // kf10 (TB_CAP_F10) - "\033[23~", // kf11 (TB_CAP_F11) - "\033[24~", // kf12 (TB_CAP_F12) - "\033[2~", // kich1 (TB_CAP_INSERT) - "\033[3~", // kdch1 (TB_CAP_DELETE) - "\033OH", // khome (TB_CAP_HOME) - "\033OF", // kend (TB_CAP_END) - "\033[5~", // kpp (TB_CAP_PGUP) - "\033[6~", // knp (TB_CAP_PGDN) - "\033OA", // kcuu1 (TB_CAP_ARROW_UP) - "\033OB", // kcud1 (TB_CAP_ARROW_DOWN) - "\033OD", // kcub1 (TB_CAP_ARROW_LEFT) - "\033OC", // kcuf1 (TB_CAP_ARROW_RIGHT) - "\033[Z", // kcbt (TB_CAP_BACK_TAB) - "\033[?1049h\033[22;0;0t", // smcup (TB_CAP_ENTER_CA) - "\033[?1049l\033[23;0;0t", // rmcup (TB_CAP_EXIT_CA) - "\033[?12l\033[?25h", // cnorm (TB_CAP_SHOW_CURSOR) - "\033[?25l", // civis (TB_CAP_HIDE_CURSOR) - "\033[H\033[2J", // clear (TB_CAP_CLEAR_SCREEN) - "\033(B\033[m", // sgr0 (TB_CAP_SGR0) - "\033[4m", // smul (TB_CAP_UNDERLINE) - "\033[1m", // bold (TB_CAP_BOLD) - "\033[5m", // blink (TB_CAP_BLINK) - "\033[3m", // sitm (TB_CAP_ITALIC) - "\033[7m", // rev (TB_CAP_REVERSE) - "\033[?1h\033=", // smkx (TB_CAP_ENTER_KEYPAD) - "\033[?1l\033>", // rmkx (TB_CAP_EXIT_KEYPAD) - "\033[2m", // dim (TB_CAP_DIM) - "\033[8m", // invis (TB_CAP_INVISIBLE) -}; - -// linux -static const char *linux_caps[] = { - "\033[[A", // kf1 (TB_CAP_F1) - "\033[[B", // kf2 (TB_CAP_F2) - "\033[[C", // kf3 (TB_CAP_F3) - "\033[[D", // kf4 (TB_CAP_F4) - "\033[[E", // kf5 (TB_CAP_F5) - "\033[17~", // kf6 (TB_CAP_F6) - "\033[18~", // kf7 (TB_CAP_F7) - "\033[19~", // kf8 (TB_CAP_F8) - "\033[20~", // kf9 (TB_CAP_F9) - "\033[21~", // kf10 (TB_CAP_F10) - "\033[23~", // kf11 (TB_CAP_F11) - "\033[24~", // kf12 (TB_CAP_F12) - "\033[2~", // kich1 (TB_CAP_INSERT) - "\033[3~", // kdch1 (TB_CAP_DELETE) - "\033[1~", // khome (TB_CAP_HOME) - "\033[4~", // kend (TB_CAP_END) - "\033[5~", // kpp (TB_CAP_PGUP) - "\033[6~", // knp (TB_CAP_PGDN) - "\033[A", // kcuu1 (TB_CAP_ARROW_UP) - "\033[B", // kcud1 (TB_CAP_ARROW_DOWN) - "\033[D", // kcub1 (TB_CAP_ARROW_LEFT) - "\033[C", // kcuf1 (TB_CAP_ARROW_RIGHT) - "\033\011", // kcbt (TB_CAP_BACK_TAB) - "", // smcup (TB_CAP_ENTER_CA) - "", // rmcup (TB_CAP_EXIT_CA) - "\033[?25h\033[?0c", // cnorm (TB_CAP_SHOW_CURSOR) - "\033[?25l\033[?1c", // civis (TB_CAP_HIDE_CURSOR) - "\033[H\033[J", // clear (TB_CAP_CLEAR_SCREEN) - "\033[m\017", // sgr0 (TB_CAP_SGR0) - "\033[4m", // smul (TB_CAP_UNDERLINE) - "\033[1m", // bold (TB_CAP_BOLD) - "\033[5m", // blink (TB_CAP_BLINK) - "", // sitm (TB_CAP_ITALIC) - "\033[7m", // rev (TB_CAP_REVERSE) - "", // smkx (TB_CAP_ENTER_KEYPAD) - "", // rmkx (TB_CAP_EXIT_KEYPAD) - "\033[2m", // dim (TB_CAP_DIM) - "", // invis (TB_CAP_INVISIBLE) -}; - -// screen -static const char *screen_caps[] = { - "\033OP", // kf1 (TB_CAP_F1) - "\033OQ", // kf2 (TB_CAP_F2) - "\033OR", // kf3 (TB_CAP_F3) - "\033OS", // kf4 (TB_CAP_F4) - "\033[15~", // kf5 (TB_CAP_F5) - "\033[17~", // kf6 (TB_CAP_F6) - "\033[18~", // kf7 (TB_CAP_F7) - "\033[19~", // kf8 (TB_CAP_F8) - "\033[20~", // kf9 (TB_CAP_F9) - "\033[21~", // kf10 (TB_CAP_F10) - "\033[23~", // kf11 (TB_CAP_F11) - "\033[24~", // kf12 (TB_CAP_F12) - "\033[2~", // kich1 (TB_CAP_INSERT) - "\033[3~", // kdch1 (TB_CAP_DELETE) - "\033[1~", // khome (TB_CAP_HOME) - "\033[4~", // kend (TB_CAP_END) - "\033[5~", // kpp (TB_CAP_PGUP) - "\033[6~", // knp (TB_CAP_PGDN) - "\033OA", // kcuu1 (TB_CAP_ARROW_UP) - "\033OB", // kcud1 (TB_CAP_ARROW_DOWN) - "\033OD", // kcub1 (TB_CAP_ARROW_LEFT) - "\033OC", // kcuf1 (TB_CAP_ARROW_RIGHT) - "\033[Z", // kcbt (TB_CAP_BACK_TAB) - "\033[?1049h", // smcup (TB_CAP_ENTER_CA) - "\033[?1049l", // rmcup (TB_CAP_EXIT_CA) - "\033[34h\033[?25h", // cnorm (TB_CAP_SHOW_CURSOR) - "\033[?25l", // civis (TB_CAP_HIDE_CURSOR) - "\033[H\033[J", // clear (TB_CAP_CLEAR_SCREEN) - "\033[m\017", // sgr0 (TB_CAP_SGR0) - "\033[4m", // smul (TB_CAP_UNDERLINE) - "\033[1m", // bold (TB_CAP_BOLD) - "\033[5m", // blink (TB_CAP_BLINK) - "", // sitm (TB_CAP_ITALIC) - "\033[7m", // rev (TB_CAP_REVERSE) - "\033[?1h\033=", // smkx (TB_CAP_ENTER_KEYPAD) - "\033[?1l\033>", // rmkx (TB_CAP_EXIT_KEYPAD) - "\033[2m", // dim (TB_CAP_DIM) - "", // invis (TB_CAP_INVISIBLE) -}; - -// rxvt-256color -static const char *rxvt_256color_caps[] = { - "\033[11~", // kf1 (TB_CAP_F1) - "\033[12~", // kf2 (TB_CAP_F2) - "\033[13~", // kf3 (TB_CAP_F3) - "\033[14~", // kf4 (TB_CAP_F4) - "\033[15~", // kf5 (TB_CAP_F5) - "\033[17~", // kf6 (TB_CAP_F6) - "\033[18~", // kf7 (TB_CAP_F7) - "\033[19~", // kf8 (TB_CAP_F8) - "\033[20~", // kf9 (TB_CAP_F9) - "\033[21~", // kf10 (TB_CAP_F10) - "\033[23~", // kf11 (TB_CAP_F11) - "\033[24~", // kf12 (TB_CAP_F12) - "\033[2~", // kich1 (TB_CAP_INSERT) - "\033[3~", // kdch1 (TB_CAP_DELETE) - "\033[7~", // khome (TB_CAP_HOME) - "\033[8~", // kend (TB_CAP_END) - "\033[5~", // kpp (TB_CAP_PGUP) - "\033[6~", // knp (TB_CAP_PGDN) - "\033[A", // kcuu1 (TB_CAP_ARROW_UP) - "\033[B", // kcud1 (TB_CAP_ARROW_DOWN) - "\033[D", // kcub1 (TB_CAP_ARROW_LEFT) - "\033[C", // kcuf1 (TB_CAP_ARROW_RIGHT) - "\033[Z", // kcbt (TB_CAP_BACK_TAB) - "\0337\033[?47h", // smcup (TB_CAP_ENTER_CA) - "\033[2J\033[?47l\0338", // rmcup (TB_CAP_EXIT_CA) - "\033[?25h", // cnorm (TB_CAP_SHOW_CURSOR) - "\033[?25l", // civis (TB_CAP_HIDE_CURSOR) - "\033[H\033[2J", // clear (TB_CAP_CLEAR_SCREEN) - "\033[m\017", // sgr0 (TB_CAP_SGR0) - "\033[4m", // smul (TB_CAP_UNDERLINE) - "\033[1m", // bold (TB_CAP_BOLD) - "\033[5m", // blink (TB_CAP_BLINK) - "", // sitm (TB_CAP_ITALIC) - "\033[7m", // rev (TB_CAP_REVERSE) - "\033=", // smkx (TB_CAP_ENTER_KEYPAD) - "\033>", // rmkx (TB_CAP_EXIT_KEYPAD) - "", // dim (TB_CAP_DIM) - "", // invis (TB_CAP_INVISIBLE) -}; - -// rxvt-unicode -static const char *rxvt_unicode_caps[] = { - "\033[11~", // kf1 (TB_CAP_F1) - "\033[12~", // kf2 (TB_CAP_F2) - "\033[13~", // kf3 (TB_CAP_F3) - "\033[14~", // kf4 (TB_CAP_F4) - "\033[15~", // kf5 (TB_CAP_F5) - "\033[17~", // kf6 (TB_CAP_F6) - "\033[18~", // kf7 (TB_CAP_F7) - "\033[19~", // kf8 (TB_CAP_F8) - "\033[20~", // kf9 (TB_CAP_F9) - "\033[21~", // kf10 (TB_CAP_F10) - "\033[23~", // kf11 (TB_CAP_F11) - "\033[24~", // kf12 (TB_CAP_F12) - "\033[2~", // kich1 (TB_CAP_INSERT) - "\033[3~", // kdch1 (TB_CAP_DELETE) - "\033[7~", // khome (TB_CAP_HOME) - "\033[8~", // kend (TB_CAP_END) - "\033[5~", // kpp (TB_CAP_PGUP) - "\033[6~", // knp (TB_CAP_PGDN) - "\033[A", // kcuu1 (TB_CAP_ARROW_UP) - "\033[B", // kcud1 (TB_CAP_ARROW_DOWN) - "\033[D", // kcub1 (TB_CAP_ARROW_LEFT) - "\033[C", // kcuf1 (TB_CAP_ARROW_RIGHT) - "\033[Z", // kcbt (TB_CAP_BACK_TAB) - "\033[?1049h", // smcup (TB_CAP_ENTER_CA) - "\033[r\033[?1049l", // rmcup (TB_CAP_EXIT_CA) - "\033[?12l\033[?25h", // cnorm (TB_CAP_SHOW_CURSOR) - "\033[?25l", // civis (TB_CAP_HIDE_CURSOR) - "\033[H\033[2J", // clear (TB_CAP_CLEAR_SCREEN) - "\033[m\033(B", // sgr0 (TB_CAP_SGR0) - "\033[4m", // smul (TB_CAP_UNDERLINE) - "\033[1m", // bold (TB_CAP_BOLD) - "\033[5m", // blink (TB_CAP_BLINK) - "\033[3m", // sitm (TB_CAP_ITALIC) - "\033[7m", // rev (TB_CAP_REVERSE) - "\033=", // smkx (TB_CAP_ENTER_KEYPAD) - "\033>", // rmkx (TB_CAP_EXIT_KEYPAD) - "", // dim (TB_CAP_DIM) - "", // invis (TB_CAP_INVISIBLE) -}; - -// Eterm -static const char *eterm_caps[] = { - "\033[11~", // kf1 (TB_CAP_F1) - "\033[12~", // kf2 (TB_CAP_F2) - "\033[13~", // kf3 (TB_CAP_F3) - "\033[14~", // kf4 (TB_CAP_F4) - "\033[15~", // kf5 (TB_CAP_F5) - "\033[17~", // kf6 (TB_CAP_F6) - "\033[18~", // kf7 (TB_CAP_F7) - "\033[19~", // kf8 (TB_CAP_F8) - "\033[20~", // kf9 (TB_CAP_F9) - "\033[21~", // kf10 (TB_CAP_F10) - "\033[23~", // kf11 (TB_CAP_F11) - "\033[24~", // kf12 (TB_CAP_F12) - "\033[2~", // kich1 (TB_CAP_INSERT) - "\033[3~", // kdch1 (TB_CAP_DELETE) - "\033[7~", // khome (TB_CAP_HOME) - "\033[8~", // kend (TB_CAP_END) - "\033[5~", // kpp (TB_CAP_PGUP) - "\033[6~", // knp (TB_CAP_PGDN) - "\033[A", // kcuu1 (TB_CAP_ARROW_UP) - "\033[B", // kcud1 (TB_CAP_ARROW_DOWN) - "\033[D", // kcub1 (TB_CAP_ARROW_LEFT) - "\033[C", // kcuf1 (TB_CAP_ARROW_RIGHT) - "", // kcbt (TB_CAP_BACK_TAB) - "\0337\033[?47h", // smcup (TB_CAP_ENTER_CA) - "\033[2J\033[?47l\0338", // rmcup (TB_CAP_EXIT_CA) - "\033[?25h", // cnorm (TB_CAP_SHOW_CURSOR) - "\033[?25l", // civis (TB_CAP_HIDE_CURSOR) - "\033[H\033[2J", // clear (TB_CAP_CLEAR_SCREEN) - "\033[m\017", // sgr0 (TB_CAP_SGR0) - "\033[4m", // smul (TB_CAP_UNDERLINE) - "\033[1m", // bold (TB_CAP_BOLD) - "\033[5m", // blink (TB_CAP_BLINK) - "", // sitm (TB_CAP_ITALIC) - "\033[7m", // rev (TB_CAP_REVERSE) - "", // smkx (TB_CAP_ENTER_KEYPAD) - "", // rmkx (TB_CAP_EXIT_KEYPAD) - "", // dim (TB_CAP_DIM) - "", // invis (TB_CAP_INVISIBLE) -}; - -static struct { - const char *name; - const char **caps; - const char *alias; -} builtin_terms[] = { - {"xterm", xterm_caps, "" }, - {"linux", linux_caps, "" }, - {"screen", screen_caps, "tmux"}, - {"rxvt-256color", rxvt_256color_caps, "" }, - {"rxvt-unicode", rxvt_unicode_caps, "rxvt"}, - {"Eterm", eterm_caps, "" }, - {NULL, NULL, NULL }, -}; - -/* END codegen c */ - -static struct { - const char *cap; - const uint16_t key; - const uint8_t mod; -} builtin_mod_caps[] = { - // xterm arrows - {"\x1b[1;2A", TB_KEY_ARROW_UP, TB_MOD_SHIFT }, - {"\x1b[1;3A", TB_KEY_ARROW_UP, TB_MOD_ALT }, - {"\x1b[1;4A", TB_KEY_ARROW_UP, TB_MOD_ALT | TB_MOD_SHIFT }, - {"\x1b[1;5A", TB_KEY_ARROW_UP, TB_MOD_CTRL }, - {"\x1b[1;6A", TB_KEY_ARROW_UP, TB_MOD_CTRL | TB_MOD_SHIFT }, - {"\x1b[1;7A", TB_KEY_ARROW_UP, TB_MOD_CTRL | TB_MOD_ALT }, - {"\x1b[1;8A", TB_KEY_ARROW_UP, TB_MOD_CTRL | TB_MOD_ALT | TB_MOD_SHIFT}, - - {"\x1b[1;2B", TB_KEY_ARROW_DOWN, TB_MOD_SHIFT }, - {"\x1b[1;3B", TB_KEY_ARROW_DOWN, TB_MOD_ALT }, - {"\x1b[1;4B", TB_KEY_ARROW_DOWN, TB_MOD_ALT | TB_MOD_SHIFT }, - {"\x1b[1;5B", TB_KEY_ARROW_DOWN, TB_MOD_CTRL }, - {"\x1b[1;6B", TB_KEY_ARROW_DOWN, TB_MOD_CTRL | TB_MOD_SHIFT }, - {"\x1b[1;7B", TB_KEY_ARROW_DOWN, TB_MOD_CTRL | TB_MOD_ALT }, - {"\x1b[1;8B", TB_KEY_ARROW_DOWN, TB_MOD_CTRL | TB_MOD_ALT | TB_MOD_SHIFT}, - - {"\x1b[1;2C", TB_KEY_ARROW_RIGHT, TB_MOD_SHIFT }, - {"\x1b[1;3C", TB_KEY_ARROW_RIGHT, TB_MOD_ALT }, - {"\x1b[1;4C", TB_KEY_ARROW_RIGHT, TB_MOD_ALT | TB_MOD_SHIFT }, - {"\x1b[1;5C", TB_KEY_ARROW_RIGHT, TB_MOD_CTRL }, - {"\x1b[1;6C", TB_KEY_ARROW_RIGHT, TB_MOD_CTRL | TB_MOD_SHIFT }, - {"\x1b[1;7C", TB_KEY_ARROW_RIGHT, TB_MOD_CTRL | TB_MOD_ALT }, - {"\x1b[1;8C", TB_KEY_ARROW_RIGHT, TB_MOD_CTRL | TB_MOD_ALT | TB_MOD_SHIFT}, - - {"\x1b[1;2D", TB_KEY_ARROW_LEFT, TB_MOD_SHIFT }, - {"\x1b[1;3D", TB_KEY_ARROW_LEFT, TB_MOD_ALT }, - {"\x1b[1;4D", TB_KEY_ARROW_LEFT, TB_MOD_ALT | TB_MOD_SHIFT }, - {"\x1b[1;5D", TB_KEY_ARROW_LEFT, TB_MOD_CTRL }, - {"\x1b[1;6D", TB_KEY_ARROW_LEFT, TB_MOD_CTRL | TB_MOD_SHIFT }, - {"\x1b[1;7D", TB_KEY_ARROW_LEFT, TB_MOD_CTRL | TB_MOD_ALT }, - {"\x1b[1;8D", TB_KEY_ARROW_LEFT, TB_MOD_CTRL | TB_MOD_ALT | TB_MOD_SHIFT}, - - // xterm keys - {"\x1b[1;2H", TB_KEY_HOME, TB_MOD_SHIFT }, - {"\x1b[1;3H", TB_KEY_HOME, TB_MOD_ALT }, - {"\x1b[1;4H", TB_KEY_HOME, TB_MOD_ALT | TB_MOD_SHIFT }, - {"\x1b[1;5H", TB_KEY_HOME, TB_MOD_CTRL }, - {"\x1b[1;6H", TB_KEY_HOME, TB_MOD_CTRL | TB_MOD_SHIFT }, - {"\x1b[1;7H", TB_KEY_HOME, TB_MOD_CTRL | TB_MOD_ALT }, - {"\x1b[1;8H", TB_KEY_HOME, TB_MOD_CTRL | TB_MOD_ALT | TB_MOD_SHIFT}, - - {"\x1b[1;2F", TB_KEY_END, TB_MOD_SHIFT }, - {"\x1b[1;3F", TB_KEY_END, TB_MOD_ALT }, - {"\x1b[1;4F", TB_KEY_END, TB_MOD_ALT | TB_MOD_SHIFT }, - {"\x1b[1;5F", TB_KEY_END, TB_MOD_CTRL }, - {"\x1b[1;6F", TB_KEY_END, TB_MOD_CTRL | TB_MOD_SHIFT }, - {"\x1b[1;7F", TB_KEY_END, TB_MOD_CTRL | TB_MOD_ALT }, - {"\x1b[1;8F", TB_KEY_END, TB_MOD_CTRL | TB_MOD_ALT | TB_MOD_SHIFT}, - - {"\x1b[2;2~", TB_KEY_INSERT, TB_MOD_SHIFT }, - {"\x1b[2;3~", TB_KEY_INSERT, TB_MOD_ALT }, - {"\x1b[2;4~", TB_KEY_INSERT, TB_MOD_ALT | TB_MOD_SHIFT }, - {"\x1b[2;5~", TB_KEY_INSERT, TB_MOD_CTRL }, - {"\x1b[2;6~", TB_KEY_INSERT, TB_MOD_CTRL | TB_MOD_SHIFT }, - {"\x1b[2;7~", TB_KEY_INSERT, TB_MOD_CTRL | TB_MOD_ALT }, - {"\x1b[2;8~", TB_KEY_INSERT, TB_MOD_CTRL | TB_MOD_ALT | TB_MOD_SHIFT}, - - {"\x1b[3;2~", TB_KEY_DELETE, TB_MOD_SHIFT }, - {"\x1b[3;3~", TB_KEY_DELETE, TB_MOD_ALT }, - {"\x1b[3;4~", TB_KEY_DELETE, TB_MOD_ALT | TB_MOD_SHIFT }, - {"\x1b[3;5~", TB_KEY_DELETE, TB_MOD_CTRL }, - {"\x1b[3;6~", TB_KEY_DELETE, TB_MOD_CTRL | TB_MOD_SHIFT }, - {"\x1b[3;7~", TB_KEY_DELETE, TB_MOD_CTRL | TB_MOD_ALT }, - {"\x1b[3;8~", TB_KEY_DELETE, TB_MOD_CTRL | TB_MOD_ALT | TB_MOD_SHIFT}, - - {"\x1b[5;2~", TB_KEY_PGUP, TB_MOD_SHIFT }, - {"\x1b[5;3~", TB_KEY_PGUP, TB_MOD_ALT }, - {"\x1b[5;4~", TB_KEY_PGUP, TB_MOD_ALT | TB_MOD_SHIFT }, - {"\x1b[5;5~", TB_KEY_PGUP, TB_MOD_CTRL }, - {"\x1b[5;6~", TB_KEY_PGUP, TB_MOD_CTRL | TB_MOD_SHIFT }, - {"\x1b[5;7~", TB_KEY_PGUP, TB_MOD_CTRL | TB_MOD_ALT }, - {"\x1b[5;8~", TB_KEY_PGUP, TB_MOD_CTRL | TB_MOD_ALT | TB_MOD_SHIFT}, - - {"\x1b[6;2~", TB_KEY_PGDN, TB_MOD_SHIFT }, - {"\x1b[6;3~", TB_KEY_PGDN, TB_MOD_ALT }, - {"\x1b[6;4~", TB_KEY_PGDN, TB_MOD_ALT | TB_MOD_SHIFT }, - {"\x1b[6;5~", TB_KEY_PGDN, TB_MOD_CTRL }, - {"\x1b[6;6~", TB_KEY_PGDN, TB_MOD_CTRL | TB_MOD_SHIFT }, - {"\x1b[6;7~", TB_KEY_PGDN, TB_MOD_CTRL | TB_MOD_ALT }, - {"\x1b[6;8~", TB_KEY_PGDN, TB_MOD_CTRL | TB_MOD_ALT | TB_MOD_SHIFT}, - - {"\x1b[1;2P", TB_KEY_F1, TB_MOD_SHIFT }, - {"\x1b[1;3P", TB_KEY_F1, TB_MOD_ALT }, - {"\x1b[1;4P", TB_KEY_F1, TB_MOD_ALT | TB_MOD_SHIFT }, - {"\x1b[1;5P", TB_KEY_F1, TB_MOD_CTRL }, - {"\x1b[1;6P", TB_KEY_F1, TB_MOD_CTRL | TB_MOD_SHIFT }, - {"\x1b[1;7P", TB_KEY_F1, TB_MOD_CTRL | TB_MOD_ALT }, - {"\x1b[1;8P", TB_KEY_F1, TB_MOD_CTRL | TB_MOD_ALT | TB_MOD_SHIFT}, - - {"\x1b[1;2Q", TB_KEY_F2, TB_MOD_SHIFT }, - {"\x1b[1;3Q", TB_KEY_F2, TB_MOD_ALT }, - {"\x1b[1;4Q", TB_KEY_F2, TB_MOD_ALT | TB_MOD_SHIFT }, - {"\x1b[1;5Q", TB_KEY_F2, TB_MOD_CTRL }, - {"\x1b[1;6Q", TB_KEY_F2, TB_MOD_CTRL | TB_MOD_SHIFT }, - {"\x1b[1;7Q", TB_KEY_F2, TB_MOD_CTRL | TB_MOD_ALT }, - {"\x1b[1;8Q", TB_KEY_F2, TB_MOD_CTRL | TB_MOD_ALT | TB_MOD_SHIFT}, - - {"\x1b[1;2R", TB_KEY_F3, TB_MOD_SHIFT }, - {"\x1b[1;3R", TB_KEY_F3, TB_MOD_ALT }, - {"\x1b[1;4R", TB_KEY_F3, TB_MOD_ALT | TB_MOD_SHIFT }, - {"\x1b[1;5R", TB_KEY_F3, TB_MOD_CTRL }, - {"\x1b[1;6R", TB_KEY_F3, TB_MOD_CTRL | TB_MOD_SHIFT }, - {"\x1b[1;7R", TB_KEY_F3, TB_MOD_CTRL | TB_MOD_ALT }, - {"\x1b[1;8R", TB_KEY_F3, TB_MOD_CTRL | TB_MOD_ALT | TB_MOD_SHIFT}, - - {"\x1b[1;2S", TB_KEY_F4, TB_MOD_SHIFT }, - {"\x1b[1;3S", TB_KEY_F4, TB_MOD_ALT }, - {"\x1b[1;4S", TB_KEY_F4, TB_MOD_ALT | TB_MOD_SHIFT }, - {"\x1b[1;5S", TB_KEY_F4, TB_MOD_CTRL }, - {"\x1b[1;6S", TB_KEY_F4, TB_MOD_CTRL | TB_MOD_SHIFT }, - {"\x1b[1;7S", TB_KEY_F4, TB_MOD_CTRL | TB_MOD_ALT }, - {"\x1b[1;8S", TB_KEY_F4, TB_MOD_CTRL | TB_MOD_ALT | TB_MOD_SHIFT}, - - {"\x1b[15;2~", TB_KEY_F5, TB_MOD_SHIFT }, - {"\x1b[15;3~", TB_KEY_F5, TB_MOD_ALT }, - {"\x1b[15;4~", TB_KEY_F5, TB_MOD_ALT | TB_MOD_SHIFT }, - {"\x1b[15;5~", TB_KEY_F5, TB_MOD_CTRL }, - {"\x1b[15;6~", TB_KEY_F5, TB_MOD_CTRL | TB_MOD_SHIFT }, - {"\x1b[15;7~", TB_KEY_F5, TB_MOD_CTRL | TB_MOD_ALT }, - {"\x1b[15;8~", TB_KEY_F5, TB_MOD_CTRL | TB_MOD_ALT | TB_MOD_SHIFT}, - - {"\x1b[17;2~", TB_KEY_F6, TB_MOD_SHIFT }, - {"\x1b[17;3~", TB_KEY_F6, TB_MOD_ALT }, - {"\x1b[17;4~", TB_KEY_F6, TB_MOD_ALT | TB_MOD_SHIFT }, - {"\x1b[17;5~", TB_KEY_F6, TB_MOD_CTRL }, - {"\x1b[17;6~", TB_KEY_F6, TB_MOD_CTRL | TB_MOD_SHIFT }, - {"\x1b[17;7~", TB_KEY_F6, TB_MOD_CTRL | TB_MOD_ALT }, - {"\x1b[17;8~", TB_KEY_F6, TB_MOD_CTRL | TB_MOD_ALT | TB_MOD_SHIFT}, - - {"\x1b[18;2~", TB_KEY_F7, TB_MOD_SHIFT }, - {"\x1b[18;3~", TB_KEY_F7, TB_MOD_ALT }, - {"\x1b[18;4~", TB_KEY_F7, TB_MOD_ALT | TB_MOD_SHIFT }, - {"\x1b[18;5~", TB_KEY_F7, TB_MOD_CTRL }, - {"\x1b[18;6~", TB_KEY_F7, TB_MOD_CTRL | TB_MOD_SHIFT }, - {"\x1b[18;7~", TB_KEY_F7, TB_MOD_CTRL | TB_MOD_ALT }, - {"\x1b[18;8~", TB_KEY_F7, TB_MOD_CTRL | TB_MOD_ALT | TB_MOD_SHIFT}, - - {"\x1b[19;2~", TB_KEY_F8, TB_MOD_SHIFT }, - {"\x1b[19;3~", TB_KEY_F8, TB_MOD_ALT }, - {"\x1b[19;4~", TB_KEY_F8, TB_MOD_ALT | TB_MOD_SHIFT }, - {"\x1b[19;5~", TB_KEY_F8, TB_MOD_CTRL }, - {"\x1b[19;6~", TB_KEY_F8, TB_MOD_CTRL | TB_MOD_SHIFT }, - {"\x1b[19;7~", TB_KEY_F8, TB_MOD_CTRL | TB_MOD_ALT }, - {"\x1b[19;8~", TB_KEY_F8, TB_MOD_CTRL | TB_MOD_ALT | TB_MOD_SHIFT}, - - {"\x1b[20;2~", TB_KEY_F9, TB_MOD_SHIFT }, - {"\x1b[20;3~", TB_KEY_F9, TB_MOD_ALT }, - {"\x1b[20;4~", TB_KEY_F9, TB_MOD_ALT | TB_MOD_SHIFT }, - {"\x1b[20;5~", TB_KEY_F9, TB_MOD_CTRL }, - {"\x1b[20;6~", TB_KEY_F9, TB_MOD_CTRL | TB_MOD_SHIFT }, - {"\x1b[20;7~", TB_KEY_F9, TB_MOD_CTRL | TB_MOD_ALT }, - {"\x1b[20;8~", TB_KEY_F9, TB_MOD_CTRL | TB_MOD_ALT | TB_MOD_SHIFT}, - - {"\x1b[21;2~", TB_KEY_F10, TB_MOD_SHIFT }, - {"\x1b[21;3~", TB_KEY_F10, TB_MOD_ALT }, - {"\x1b[21;4~", TB_KEY_F10, TB_MOD_ALT | TB_MOD_SHIFT }, - {"\x1b[21;5~", TB_KEY_F10, TB_MOD_CTRL }, - {"\x1b[21;6~", TB_KEY_F10, TB_MOD_CTRL | TB_MOD_SHIFT }, - {"\x1b[21;7~", TB_KEY_F10, TB_MOD_CTRL | TB_MOD_ALT }, - {"\x1b[21;8~", TB_KEY_F10, TB_MOD_CTRL | TB_MOD_ALT | TB_MOD_SHIFT}, - - {"\x1b[23;2~", TB_KEY_F11, TB_MOD_SHIFT }, - {"\x1b[23;3~", TB_KEY_F11, TB_MOD_ALT }, - {"\x1b[23;4~", TB_KEY_F11, TB_MOD_ALT | TB_MOD_SHIFT }, - {"\x1b[23;5~", TB_KEY_F11, TB_MOD_CTRL }, - {"\x1b[23;6~", TB_KEY_F11, TB_MOD_CTRL | TB_MOD_SHIFT }, - {"\x1b[23;7~", TB_KEY_F11, TB_MOD_CTRL | TB_MOD_ALT }, - {"\x1b[23;8~", TB_KEY_F11, TB_MOD_CTRL | TB_MOD_ALT | TB_MOD_SHIFT}, - - {"\x1b[24;2~", TB_KEY_F12, TB_MOD_SHIFT }, - {"\x1b[24;3~", TB_KEY_F12, TB_MOD_ALT }, - {"\x1b[24;4~", TB_KEY_F12, TB_MOD_ALT | TB_MOD_SHIFT }, - {"\x1b[24;5~", TB_KEY_F12, TB_MOD_CTRL }, - {"\x1b[24;6~", TB_KEY_F12, TB_MOD_CTRL | TB_MOD_SHIFT }, - {"\x1b[24;7~", TB_KEY_F12, TB_MOD_CTRL | TB_MOD_ALT }, - {"\x1b[24;8~", TB_KEY_F12, TB_MOD_CTRL | TB_MOD_ALT | TB_MOD_SHIFT}, - - // rxvt arrows - {"\x1b[a", TB_KEY_ARROW_UP, TB_MOD_SHIFT }, - {"\x1b\x1b[A", TB_KEY_ARROW_UP, TB_MOD_ALT }, - {"\x1b\x1b[a", TB_KEY_ARROW_UP, TB_MOD_ALT | TB_MOD_SHIFT }, - {"\x1bOa", TB_KEY_ARROW_UP, TB_MOD_CTRL }, - {"\x1b\x1bOa", TB_KEY_ARROW_UP, TB_MOD_CTRL | TB_MOD_ALT }, - - {"\x1b[b", TB_KEY_ARROW_DOWN, TB_MOD_SHIFT }, - {"\x1b\x1b[B", TB_KEY_ARROW_DOWN, TB_MOD_ALT }, - {"\x1b\x1b[b", TB_KEY_ARROW_DOWN, TB_MOD_ALT | TB_MOD_SHIFT }, - {"\x1bOb", TB_KEY_ARROW_DOWN, TB_MOD_CTRL }, - {"\x1b\x1bOb", TB_KEY_ARROW_DOWN, TB_MOD_CTRL | TB_MOD_ALT }, - - {"\x1b[c", TB_KEY_ARROW_RIGHT, TB_MOD_SHIFT }, - {"\x1b\x1b[C", TB_KEY_ARROW_RIGHT, TB_MOD_ALT }, - {"\x1b\x1b[c", TB_KEY_ARROW_RIGHT, TB_MOD_ALT | TB_MOD_SHIFT }, - {"\x1bOc", TB_KEY_ARROW_RIGHT, TB_MOD_CTRL }, - {"\x1b\x1bOc", TB_KEY_ARROW_RIGHT, TB_MOD_CTRL | TB_MOD_ALT }, - - {"\x1b[d", TB_KEY_ARROW_LEFT, TB_MOD_SHIFT }, - {"\x1b\x1b[D", TB_KEY_ARROW_LEFT, TB_MOD_ALT }, - {"\x1b\x1b[d", TB_KEY_ARROW_LEFT, TB_MOD_ALT | TB_MOD_SHIFT }, - {"\x1bOd", TB_KEY_ARROW_LEFT, TB_MOD_CTRL }, - {"\x1b\x1bOd", TB_KEY_ARROW_LEFT, TB_MOD_CTRL | TB_MOD_ALT }, - - // rxvt keys - {"\x1b[7$", TB_KEY_HOME, TB_MOD_SHIFT }, - {"\x1b\x1b[7~", TB_KEY_HOME, TB_MOD_ALT }, - {"\x1b\x1b[7$", TB_KEY_HOME, TB_MOD_ALT | TB_MOD_SHIFT }, - {"\x1b[7^", TB_KEY_HOME, TB_MOD_CTRL }, - {"\x1b[7@", TB_KEY_HOME, TB_MOD_CTRL | TB_MOD_SHIFT }, - {"\x1b\x1b[7^", TB_KEY_HOME, TB_MOD_CTRL | TB_MOD_ALT }, - {"\x1b\x1b[7@", TB_KEY_HOME, TB_MOD_CTRL | TB_MOD_ALT | TB_MOD_SHIFT}, - - {"\x1b\x1b[8~", TB_KEY_END, TB_MOD_ALT }, - {"\x1b\x1b[8$", TB_KEY_END, TB_MOD_ALT | TB_MOD_SHIFT }, - {"\x1b[8^", TB_KEY_END, TB_MOD_CTRL }, - {"\x1b\x1b[8^", TB_KEY_END, TB_MOD_CTRL | TB_MOD_ALT }, - {"\x1b\x1b[8@", TB_KEY_END, TB_MOD_CTRL | TB_MOD_ALT | TB_MOD_SHIFT}, - {"\x1b[8@", TB_KEY_END, TB_MOD_CTRL | TB_MOD_SHIFT }, - {"\x1b[8$", TB_KEY_END, TB_MOD_SHIFT }, - - {"\x1b\x1b[2~", TB_KEY_INSERT, TB_MOD_ALT }, - {"\x1b\x1b[2$", TB_KEY_INSERT, TB_MOD_ALT | TB_MOD_SHIFT }, - {"\x1b[2^", TB_KEY_INSERT, TB_MOD_CTRL }, - {"\x1b\x1b[2^", TB_KEY_INSERT, TB_MOD_CTRL | TB_MOD_ALT }, - {"\x1b\x1b[2@", TB_KEY_INSERT, TB_MOD_CTRL | TB_MOD_ALT | TB_MOD_SHIFT}, - {"\x1b[2@", TB_KEY_INSERT, TB_MOD_CTRL | TB_MOD_SHIFT }, - {"\x1b[2$", TB_KEY_INSERT, TB_MOD_SHIFT }, - - {"\x1b\x1b[3~", TB_KEY_DELETE, TB_MOD_ALT }, - {"\x1b\x1b[3$", TB_KEY_DELETE, TB_MOD_ALT | TB_MOD_SHIFT }, - {"\x1b[3^", TB_KEY_DELETE, TB_MOD_CTRL }, - {"\x1b\x1b[3^", TB_KEY_DELETE, TB_MOD_CTRL | TB_MOD_ALT }, - {"\x1b\x1b[3@", TB_KEY_DELETE, TB_MOD_CTRL | TB_MOD_ALT | TB_MOD_SHIFT}, - {"\x1b[3@", TB_KEY_DELETE, TB_MOD_CTRL | TB_MOD_SHIFT }, - {"\x1b[3$", TB_KEY_DELETE, TB_MOD_SHIFT }, - - {"\x1b\x1b[5~", TB_KEY_PGUP, TB_MOD_ALT }, - {"\x1b\x1b[5$", TB_KEY_PGUP, TB_MOD_ALT | TB_MOD_SHIFT }, - {"\x1b[5^", TB_KEY_PGUP, TB_MOD_CTRL }, - {"\x1b\x1b[5^", TB_KEY_PGUP, TB_MOD_CTRL | TB_MOD_ALT }, - {"\x1b\x1b[5@", TB_KEY_PGUP, TB_MOD_CTRL | TB_MOD_ALT | TB_MOD_SHIFT}, - {"\x1b[5@", TB_KEY_PGUP, TB_MOD_CTRL | TB_MOD_SHIFT }, - {"\x1b[5$", TB_KEY_PGUP, TB_MOD_SHIFT }, - - {"\x1b\x1b[6~", TB_KEY_PGDN, TB_MOD_ALT }, - {"\x1b\x1b[6$", TB_KEY_PGDN, TB_MOD_ALT | TB_MOD_SHIFT }, - {"\x1b[6^", TB_KEY_PGDN, TB_MOD_CTRL }, - {"\x1b\x1b[6^", TB_KEY_PGDN, TB_MOD_CTRL | TB_MOD_ALT }, - {"\x1b\x1b[6@", TB_KEY_PGDN, TB_MOD_CTRL | TB_MOD_ALT | TB_MOD_SHIFT}, - {"\x1b[6@", TB_KEY_PGDN, TB_MOD_CTRL | TB_MOD_SHIFT }, - {"\x1b[6$", TB_KEY_PGDN, TB_MOD_SHIFT }, - - {"\x1b\x1b[11~", TB_KEY_F1, TB_MOD_ALT }, - {"\x1b\x1b[23~", TB_KEY_F1, TB_MOD_ALT | TB_MOD_SHIFT }, - {"\x1b[11^", TB_KEY_F1, TB_MOD_CTRL }, - {"\x1b\x1b[11^", TB_KEY_F1, TB_MOD_CTRL | TB_MOD_ALT }, - {"\x1b\x1b[23^", TB_KEY_F1, TB_MOD_CTRL | TB_MOD_ALT | TB_MOD_SHIFT}, - {"\x1b[23^", TB_KEY_F1, TB_MOD_CTRL | TB_MOD_SHIFT }, - {"\x1b[23~", TB_KEY_F1, TB_MOD_SHIFT }, - - {"\x1b\x1b[12~", TB_KEY_F2, TB_MOD_ALT }, - {"\x1b\x1b[24~", TB_KEY_F2, TB_MOD_ALT | TB_MOD_SHIFT }, - {"\x1b[12^", TB_KEY_F2, TB_MOD_CTRL }, - {"\x1b\x1b[12^", TB_KEY_F2, TB_MOD_CTRL | TB_MOD_ALT }, - {"\x1b\x1b[24^", TB_KEY_F2, TB_MOD_CTRL | TB_MOD_ALT | TB_MOD_SHIFT}, - {"\x1b[24^", TB_KEY_F2, TB_MOD_CTRL | TB_MOD_SHIFT }, - {"\x1b[24~", TB_KEY_F2, TB_MOD_SHIFT }, - - {"\x1b\x1b[13~", TB_KEY_F3, TB_MOD_ALT }, - {"\x1b\x1b[25~", TB_KEY_F3, TB_MOD_ALT | TB_MOD_SHIFT }, - {"\x1b[13^", TB_KEY_F3, TB_MOD_CTRL }, - {"\x1b\x1b[13^", TB_KEY_F3, TB_MOD_CTRL | TB_MOD_ALT }, - {"\x1b\x1b[25^", TB_KEY_F3, TB_MOD_CTRL | TB_MOD_ALT | TB_MOD_SHIFT}, - {"\x1b[25^", TB_KEY_F3, TB_MOD_CTRL | TB_MOD_SHIFT }, - {"\x1b[25~", TB_KEY_F3, TB_MOD_SHIFT }, - - {"\x1b\x1b[14~", TB_KEY_F4, TB_MOD_ALT }, - {"\x1b\x1b[26~", TB_KEY_F4, TB_MOD_ALT | TB_MOD_SHIFT }, - {"\x1b[14^", TB_KEY_F4, TB_MOD_CTRL }, - {"\x1b\x1b[14^", TB_KEY_F4, TB_MOD_CTRL | TB_MOD_ALT }, - {"\x1b\x1b[26^", TB_KEY_F4, TB_MOD_CTRL | TB_MOD_ALT | TB_MOD_SHIFT}, - {"\x1b[26^", TB_KEY_F4, TB_MOD_CTRL | TB_MOD_SHIFT }, - {"\x1b[26~", TB_KEY_F4, TB_MOD_SHIFT }, - - {"\x1b\x1b[15~", TB_KEY_F5, TB_MOD_ALT }, - {"\x1b\x1b[28~", TB_KEY_F5, TB_MOD_ALT | TB_MOD_SHIFT }, - {"\x1b[15^", TB_KEY_F5, TB_MOD_CTRL }, - {"\x1b\x1b[15^", TB_KEY_F5, TB_MOD_CTRL | TB_MOD_ALT }, - {"\x1b\x1b[28^", TB_KEY_F5, TB_MOD_CTRL | TB_MOD_ALT | TB_MOD_SHIFT}, - {"\x1b[28^", TB_KEY_F5, TB_MOD_CTRL | TB_MOD_SHIFT }, - {"\x1b[28~", TB_KEY_F5, TB_MOD_SHIFT }, - - {"\x1b\x1b[17~", TB_KEY_F6, TB_MOD_ALT }, - {"\x1b\x1b[29~", TB_KEY_F6, TB_MOD_ALT | TB_MOD_SHIFT }, - {"\x1b[17^", TB_KEY_F6, TB_MOD_CTRL }, - {"\x1b\x1b[17^", TB_KEY_F6, TB_MOD_CTRL | TB_MOD_ALT }, - {"\x1b\x1b[29^", TB_KEY_F6, TB_MOD_CTRL | TB_MOD_ALT | TB_MOD_SHIFT}, - {"\x1b[29^", TB_KEY_F6, TB_MOD_CTRL | TB_MOD_SHIFT }, - {"\x1b[29~", TB_KEY_F6, TB_MOD_SHIFT }, - - {"\x1b\x1b[18~", TB_KEY_F7, TB_MOD_ALT }, - {"\x1b\x1b[31~", TB_KEY_F7, TB_MOD_ALT | TB_MOD_SHIFT }, - {"\x1b[18^", TB_KEY_F7, TB_MOD_CTRL }, - {"\x1b\x1b[18^", TB_KEY_F7, TB_MOD_CTRL | TB_MOD_ALT }, - {"\x1b\x1b[31^", TB_KEY_F7, TB_MOD_CTRL | TB_MOD_ALT | TB_MOD_SHIFT}, - {"\x1b[31^", TB_KEY_F7, TB_MOD_CTRL | TB_MOD_SHIFT }, - {"\x1b[31~", TB_KEY_F7, TB_MOD_SHIFT }, - - {"\x1b\x1b[19~", TB_KEY_F8, TB_MOD_ALT }, - {"\x1b\x1b[32~", TB_KEY_F8, TB_MOD_ALT | TB_MOD_SHIFT }, - {"\x1b[19^", TB_KEY_F8, TB_MOD_CTRL }, - {"\x1b\x1b[19^", TB_KEY_F8, TB_MOD_CTRL | TB_MOD_ALT }, - {"\x1b\x1b[32^", TB_KEY_F8, TB_MOD_CTRL | TB_MOD_ALT | TB_MOD_SHIFT}, - {"\x1b[32^", TB_KEY_F8, TB_MOD_CTRL | TB_MOD_SHIFT }, - {"\x1b[32~", TB_KEY_F8, TB_MOD_SHIFT }, - - {"\x1b\x1b[20~", TB_KEY_F9, TB_MOD_ALT }, - {"\x1b\x1b[33~", TB_KEY_F9, TB_MOD_ALT | TB_MOD_SHIFT }, - {"\x1b[20^", TB_KEY_F9, TB_MOD_CTRL }, - {"\x1b\x1b[20^", TB_KEY_F9, TB_MOD_CTRL | TB_MOD_ALT }, - {"\x1b\x1b[33^", TB_KEY_F9, TB_MOD_CTRL | TB_MOD_ALT | TB_MOD_SHIFT}, - {"\x1b[33^", TB_KEY_F9, TB_MOD_CTRL | TB_MOD_SHIFT }, - {"\x1b[33~", TB_KEY_F9, TB_MOD_SHIFT }, - - {"\x1b\x1b[21~", TB_KEY_F10, TB_MOD_ALT }, - {"\x1b\x1b[34~", TB_KEY_F10, TB_MOD_ALT | TB_MOD_SHIFT }, - {"\x1b[21^", TB_KEY_F10, TB_MOD_CTRL }, - {"\x1b\x1b[21^", TB_KEY_F10, TB_MOD_CTRL | TB_MOD_ALT }, - {"\x1b\x1b[34^", TB_KEY_F10, TB_MOD_CTRL | TB_MOD_ALT | TB_MOD_SHIFT}, - {"\x1b[34^", TB_KEY_F10, TB_MOD_CTRL | TB_MOD_SHIFT }, - {"\x1b[34~", TB_KEY_F10, TB_MOD_SHIFT }, - - {"\x1b\x1b[23~", TB_KEY_F11, TB_MOD_ALT }, - {"\x1b\x1b[23$", TB_KEY_F11, TB_MOD_ALT | TB_MOD_SHIFT }, - {"\x1b[23^", TB_KEY_F11, TB_MOD_CTRL }, - {"\x1b\x1b[23^", TB_KEY_F11, TB_MOD_CTRL | TB_MOD_ALT }, - {"\x1b\x1b[23@", TB_KEY_F11, TB_MOD_CTRL | TB_MOD_ALT | TB_MOD_SHIFT}, - {"\x1b[23@", TB_KEY_F11, TB_MOD_CTRL | TB_MOD_SHIFT }, - {"\x1b[23$", TB_KEY_F11, TB_MOD_SHIFT }, - - {"\x1b\x1b[24~", TB_KEY_F12, TB_MOD_ALT }, - {"\x1b\x1b[24$", TB_KEY_F12, TB_MOD_ALT | TB_MOD_SHIFT }, - {"\x1b[24^", TB_KEY_F12, TB_MOD_CTRL }, - {"\x1b\x1b[24^", TB_KEY_F12, TB_MOD_CTRL | TB_MOD_ALT }, - {"\x1b\x1b[24@", TB_KEY_F12, TB_MOD_CTRL | TB_MOD_ALT | TB_MOD_SHIFT}, - {"\x1b[24@", TB_KEY_F12, TB_MOD_CTRL | TB_MOD_SHIFT }, - {"\x1b[24$", TB_KEY_F12, TB_MOD_SHIFT }, - - // linux console/putty arrows - {"\x1b[A", TB_KEY_ARROW_UP, TB_MOD_SHIFT }, - {"\x1b[B", TB_KEY_ARROW_DOWN, TB_MOD_SHIFT }, - {"\x1b[C", TB_KEY_ARROW_RIGHT, TB_MOD_SHIFT }, - {"\x1b[D", TB_KEY_ARROW_LEFT, TB_MOD_SHIFT }, - - // more putty arrows - {"\x1bOA", TB_KEY_ARROW_UP, TB_MOD_CTRL }, - {"\x1b\x1bOA", TB_KEY_ARROW_UP, TB_MOD_CTRL | TB_MOD_ALT }, - {"\x1bOB", TB_KEY_ARROW_DOWN, TB_MOD_CTRL }, - {"\x1b\x1bOB", TB_KEY_ARROW_DOWN, TB_MOD_CTRL | TB_MOD_ALT }, - {"\x1bOC", TB_KEY_ARROW_RIGHT, TB_MOD_CTRL }, - {"\x1b\x1bOC", TB_KEY_ARROW_RIGHT, TB_MOD_CTRL | TB_MOD_ALT }, - {"\x1bOD", TB_KEY_ARROW_LEFT, TB_MOD_CTRL }, - {"\x1b\x1bOD", TB_KEY_ARROW_LEFT, TB_MOD_CTRL | TB_MOD_ALT }, - - {NULL, 0, 0 }, -}; - -static const unsigned char utf8_length[256] = {1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, - 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 6, 6, 1, 1}; - -static const unsigned char utf8_mask[6] = {0x7f, 0x1f, 0x0f, 0x07, 0x03, 0x01}; - -#ifndef TB_OPT_LIBC_WCHAR -static struct { - uint32_t range_start; - uint32_t range_end; - int width; // -1 means iswprint==0, otherwise wcwidth value (0, 1, or 2) -} wcwidth_table[] = { - // clang-format off - {0x000001, 0x00001f, -1}, {0x000020, 0x00007e, 1}, {0x00007f, 0x00009f, -1}, - {0x0000a0, 0x0002ff, 1}, {0x000300, 0x00036f, 0}, {0x000370, 0x000377, 1}, - {0x000378, 0x000379, -1}, {0x00037a, 0x00037f, 1}, {0x000380, 0x000383, -1}, - {0x000384, 0x00038a, 1}, {0x00038b, 0x00038b, -1}, {0x00038c, 0x00038c, 1}, - {0x00038d, 0x00038d, -1}, {0x00038e, 0x0003a1, 1}, {0x0003a2, 0x0003a2, -1}, - {0x0003a3, 0x000482, 1}, {0x000483, 0x000489, 0}, {0x00048a, 0x00052f, 1}, - {0x000530, 0x000530, -1}, {0x000531, 0x000556, 1}, {0x000557, 0x000558, -1}, - {0x000559, 0x00058a, 1}, {0x00058b, 0x00058c, -1}, {0x00058d, 0x00058f, 1}, - {0x000590, 0x000590, -1}, {0x000591, 0x0005bd, 0}, {0x0005be, 0x0005be, 1}, - {0x0005bf, 0x0005bf, 0}, {0x0005c0, 0x0005c0, 1}, {0x0005c1, 0x0005c2, 0}, - {0x0005c3, 0x0005c3, 1}, {0x0005c4, 0x0005c5, 0}, {0x0005c6, 0x0005c6, 1}, - {0x0005c7, 0x0005c7, 0}, {0x0005c8, 0x0005cf, -1}, {0x0005d0, 0x0005ea, 1}, - {0x0005eb, 0x0005ee, -1}, {0x0005ef, 0x0005f4, 1}, {0x0005f5, 0x0005ff, -1}, - {0x000600, 0x00060f, 1}, {0x000610, 0x00061a, 0}, {0x00061b, 0x00061b, 1}, - {0x00061c, 0x00061c, 0}, {0x00061d, 0x00064a, 1}, {0x00064b, 0x00065f, 0}, - {0x000660, 0x00066f, 1}, {0x000670, 0x000670, 0}, {0x000671, 0x0006d5, 1}, - {0x0006d6, 0x0006dc, 0}, {0x0006dd, 0x0006de, 1}, {0x0006df, 0x0006e4, 0}, - {0x0006e5, 0x0006e6, 1}, {0x0006e7, 0x0006e8, 0}, {0x0006e9, 0x0006e9, 1}, - {0x0006ea, 0x0006ed, 0}, {0x0006ee, 0x00070d, 1}, {0x00070e, 0x00070e, -1}, - {0x00070f, 0x000710, 1}, {0x000711, 0x000711, 0}, {0x000712, 0x00072f, 1}, - {0x000730, 0x00074a, 0}, {0x00074b, 0x00074c, -1}, {0x00074d, 0x0007a5, 1}, - {0x0007a6, 0x0007b0, 0}, {0x0007b1, 0x0007b1, 1}, {0x0007b2, 0x0007bf, -1}, - {0x0007c0, 0x0007ea, 1}, {0x0007eb, 0x0007f3, 0}, {0x0007f4, 0x0007fa, 1}, - {0x0007fb, 0x0007fc, -1}, {0x0007fd, 0x0007fd, 0}, {0x0007fe, 0x000815, 1}, - {0x000816, 0x000819, 0}, {0x00081a, 0x00081a, 1}, {0x00081b, 0x000823, 0}, - {0x000824, 0x000824, 1}, {0x000825, 0x000827, 0}, {0x000828, 0x000828, 1}, - {0x000829, 0x00082d, 0}, {0x00082e, 0x00082f, -1}, {0x000830, 0x00083e, 1}, - {0x00083f, 0x00083f, -1}, {0x000840, 0x000858, 1}, {0x000859, 0x00085b, 0}, - {0x00085c, 0x00085d, -1}, {0x00085e, 0x00085e, 1}, {0x00085f, 0x00085f, -1}, - {0x000860, 0x00086a, 1}, {0x00086b, 0x00086f, -1}, {0x000870, 0x00088e, 1}, - {0x00088f, 0x00088f, -1}, {0x000890, 0x000891, 1}, {0x000892, 0x000896, -1}, - {0x000897, 0x00089f, 0}, {0x0008a0, 0x0008c9, 1}, {0x0008ca, 0x0008e1, 0}, - {0x0008e2, 0x0008e2, 1}, {0x0008e3, 0x000902, 0}, {0x000903, 0x000939, 1}, - {0x00093a, 0x00093a, 0}, {0x00093b, 0x00093b, 1}, {0x00093c, 0x00093c, 0}, - {0x00093d, 0x000940, 1}, {0x000941, 0x000948, 0}, {0x000949, 0x00094c, 1}, - {0x00094d, 0x00094d, 0}, {0x00094e, 0x000950, 1}, {0x000951, 0x000957, 0}, - {0x000958, 0x000961, 1}, {0x000962, 0x000963, 0}, {0x000964, 0x000980, 1}, - {0x000981, 0x000981, 0}, {0x000982, 0x000983, 1}, {0x000984, 0x000984, -1}, - {0x000985, 0x00098c, 1}, {0x00098d, 0x00098e, -1}, {0x00098f, 0x000990, 1}, - {0x000991, 0x000992, -1}, {0x000993, 0x0009a8, 1}, {0x0009a9, 0x0009a9, -1}, - {0x0009aa, 0x0009b0, 1}, {0x0009b1, 0x0009b1, -1}, {0x0009b2, 0x0009b2, 1}, - {0x0009b3, 0x0009b5, -1}, {0x0009b6, 0x0009b9, 1}, {0x0009ba, 0x0009bb, -1}, - {0x0009bc, 0x0009bc, 0}, {0x0009bd, 0x0009c0, 1}, {0x0009c1, 0x0009c4, 0}, - {0x0009c5, 0x0009c6, -1}, {0x0009c7, 0x0009c8, 1}, {0x0009c9, 0x0009ca, -1}, - {0x0009cb, 0x0009cc, 1}, {0x0009cd, 0x0009cd, 0}, {0x0009ce, 0x0009ce, 1}, - {0x0009cf, 0x0009d6, -1}, {0x0009d7, 0x0009d7, 1}, {0x0009d8, 0x0009db, -1}, - {0x0009dc, 0x0009dd, 1}, {0x0009de, 0x0009de, -1}, {0x0009df, 0x0009e1, 1}, - {0x0009e2, 0x0009e3, 0}, {0x0009e4, 0x0009e5, -1}, {0x0009e6, 0x0009fd, 1}, - {0x0009fe, 0x0009fe, 0}, {0x0009ff, 0x000a00, -1}, {0x000a01, 0x000a02, 0}, - {0x000a03, 0x000a03, 1}, {0x000a04, 0x000a04, -1}, {0x000a05, 0x000a0a, 1}, - {0x000a0b, 0x000a0e, -1}, {0x000a0f, 0x000a10, 1}, {0x000a11, 0x000a12, -1}, - {0x000a13, 0x000a28, 1}, {0x000a29, 0x000a29, -1}, {0x000a2a, 0x000a30, 1}, - {0x000a31, 0x000a31, -1}, {0x000a32, 0x000a33, 1}, {0x000a34, 0x000a34, -1}, - {0x000a35, 0x000a36, 1}, {0x000a37, 0x000a37, -1}, {0x000a38, 0x000a39, 1}, - {0x000a3a, 0x000a3b, -1}, {0x000a3c, 0x000a3c, 0}, {0x000a3d, 0x000a3d, -1}, - {0x000a3e, 0x000a40, 1}, {0x000a41, 0x000a42, 0}, {0x000a43, 0x000a46, -1}, - {0x000a47, 0x000a48, 0}, {0x000a49, 0x000a4a, -1}, {0x000a4b, 0x000a4d, 0}, - {0x000a4e, 0x000a50, -1}, {0x000a51, 0x000a51, 0}, {0x000a52, 0x000a58, -1}, - {0x000a59, 0x000a5c, 1}, {0x000a5d, 0x000a5d, -1}, {0x000a5e, 0x000a5e, 1}, - {0x000a5f, 0x000a65, -1}, {0x000a66, 0x000a6f, 1}, {0x000a70, 0x000a71, 0}, - {0x000a72, 0x000a74, 1}, {0x000a75, 0x000a75, 0}, {0x000a76, 0x000a76, 1}, - {0x000a77, 0x000a80, -1}, {0x000a81, 0x000a82, 0}, {0x000a83, 0x000a83, 1}, - {0x000a84, 0x000a84, -1}, {0x000a85, 0x000a8d, 1}, {0x000a8e, 0x000a8e, -1}, - {0x000a8f, 0x000a91, 1}, {0x000a92, 0x000a92, -1}, {0x000a93, 0x000aa8, 1}, - {0x000aa9, 0x000aa9, -1}, {0x000aaa, 0x000ab0, 1}, {0x000ab1, 0x000ab1, -1}, - {0x000ab2, 0x000ab3, 1}, {0x000ab4, 0x000ab4, -1}, {0x000ab5, 0x000ab9, 1}, - {0x000aba, 0x000abb, -1}, {0x000abc, 0x000abc, 0}, {0x000abd, 0x000ac0, 1}, - {0x000ac1, 0x000ac5, 0}, {0x000ac6, 0x000ac6, -1}, {0x000ac7, 0x000ac8, 0}, - {0x000ac9, 0x000ac9, 1}, {0x000aca, 0x000aca, -1}, {0x000acb, 0x000acc, 1}, - {0x000acd, 0x000acd, 0}, {0x000ace, 0x000acf, -1}, {0x000ad0, 0x000ad0, 1}, - {0x000ad1, 0x000adf, -1}, {0x000ae0, 0x000ae1, 1}, {0x000ae2, 0x000ae3, 0}, - {0x000ae4, 0x000ae5, -1}, {0x000ae6, 0x000af1, 1}, {0x000af2, 0x000af8, -1}, - {0x000af9, 0x000af9, 1}, {0x000afa, 0x000aff, 0}, {0x000b00, 0x000b00, -1}, - {0x000b01, 0x000b01, 0}, {0x000b02, 0x000b03, 1}, {0x000b04, 0x000b04, -1}, - {0x000b05, 0x000b0c, 1}, {0x000b0d, 0x000b0e, -1}, {0x000b0f, 0x000b10, 1}, - {0x000b11, 0x000b12, -1}, {0x000b13, 0x000b28, 1}, {0x000b29, 0x000b29, -1}, - {0x000b2a, 0x000b30, 1}, {0x000b31, 0x000b31, -1}, {0x000b32, 0x000b33, 1}, - {0x000b34, 0x000b34, -1}, {0x000b35, 0x000b39, 1}, {0x000b3a, 0x000b3b, -1}, - 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{0x01e960, 0x01ec70, -1}, {0x01ec71, 0x01ecb4, 1}, {0x01ecb5, 0x01ed00, -1}, - {0x01ed01, 0x01ed3d, 1}, {0x01ed3e, 0x01edff, -1}, {0x01ee00, 0x01ee03, 1}, - {0x01ee04, 0x01ee04, -1}, {0x01ee05, 0x01ee1f, 1}, {0x01ee20, 0x01ee20, -1}, - {0x01ee21, 0x01ee22, 1}, {0x01ee23, 0x01ee23, -1}, {0x01ee24, 0x01ee24, 1}, - {0x01ee25, 0x01ee26, -1}, {0x01ee27, 0x01ee27, 1}, {0x01ee28, 0x01ee28, -1}, - {0x01ee29, 0x01ee32, 1}, {0x01ee33, 0x01ee33, -1}, {0x01ee34, 0x01ee37, 1}, - {0x01ee38, 0x01ee38, -1}, {0x01ee39, 0x01ee39, 1}, {0x01ee3a, 0x01ee3a, -1}, - {0x01ee3b, 0x01ee3b, 1}, {0x01ee3c, 0x01ee41, -1}, {0x01ee42, 0x01ee42, 1}, - {0x01ee43, 0x01ee46, -1}, {0x01ee47, 0x01ee47, 1}, {0x01ee48, 0x01ee48, -1}, - {0x01ee49, 0x01ee49, 1}, {0x01ee4a, 0x01ee4a, -1}, {0x01ee4b, 0x01ee4b, 1}, - {0x01ee4c, 0x01ee4c, -1}, {0x01ee4d, 0x01ee4f, 1}, {0x01ee50, 0x01ee50, -1}, - {0x01ee51, 0x01ee52, 1}, {0x01ee53, 0x01ee53, -1}, {0x01ee54, 0x01ee54, 1}, - {0x01ee55, 0x01ee56, -1}, {0x01ee57, 0x01ee57, 1}, {0x01ee58, 0x01ee58, -1}, - {0x01ee59, 0x01ee59, 1}, {0x01ee5a, 0x01ee5a, -1}, {0x01ee5b, 0x01ee5b, 1}, - {0x01ee5c, 0x01ee5c, -1}, {0x01ee5d, 0x01ee5d, 1}, {0x01ee5e, 0x01ee5e, -1}, - {0x01ee5f, 0x01ee5f, 1}, {0x01ee60, 0x01ee60, -1}, {0x01ee61, 0x01ee62, 1}, - {0x01ee63, 0x01ee63, -1}, {0x01ee64, 0x01ee64, 1}, {0x01ee65, 0x01ee66, -1}, - {0x01ee67, 0x01ee6a, 1}, {0x01ee6b, 0x01ee6b, -1}, {0x01ee6c, 0x01ee72, 1}, - {0x01ee73, 0x01ee73, -1}, {0x01ee74, 0x01ee77, 1}, {0x01ee78, 0x01ee78, -1}, - {0x01ee79, 0x01ee7c, 1}, {0x01ee7d, 0x01ee7d, -1}, {0x01ee7e, 0x01ee7e, 1}, - {0x01ee7f, 0x01ee7f, -1}, {0x01ee80, 0x01ee89, 1}, {0x01ee8a, 0x01ee8a, -1}, - {0x01ee8b, 0x01ee9b, 1}, {0x01ee9c, 0x01eea0, -1}, {0x01eea1, 0x01eea3, 1}, - {0x01eea4, 0x01eea4, -1}, {0x01eea5, 0x01eea9, 1}, {0x01eeaa, 0x01eeaa, -1}, - {0x01eeab, 0x01eebb, 1}, {0x01eebc, 0x01eeef, -1}, {0x01eef0, 0x01eef1, 1}, - {0x01eef2, 0x01efff, -1}, {0x01f000, 0x01f003, 1}, {0x01f004, 0x01f004, 2}, - {0x01f005, 0x01f02b, 1}, {0x01f02c, 0x01f02f, -1}, {0x01f030, 0x01f093, 1}, - {0x01f094, 0x01f09f, -1}, {0x01f0a0, 0x01f0ae, 1}, {0x01f0af, 0x01f0b0, -1}, - {0x01f0b1, 0x01f0bf, 1}, {0x01f0c0, 0x01f0c0, -1}, {0x01f0c1, 0x01f0ce, 1}, - {0x01f0cf, 0x01f0cf, 2}, {0x01f0d0, 0x01f0d0, -1}, {0x01f0d1, 0x01f0f5, 1}, - {0x01f0f6, 0x01f0ff, -1}, {0x01f100, 0x01f18d, 1}, {0x01f18e, 0x01f18e, 2}, - {0x01f18f, 0x01f190, 1}, {0x01f191, 0x01f19a, 2}, {0x01f19b, 0x01f1ad, 1}, - {0x01f1ae, 0x01f1e5, -1}, {0x01f1e6, 0x01f1ff, 1}, {0x01f200, 0x01f202, 2}, - {0x01f203, 0x01f20f, -1}, {0x01f210, 0x01f23b, 2}, {0x01f23c, 0x01f23f, -1}, - {0x01f240, 0x01f248, 2}, {0x01f249, 0x01f24f, -1}, {0x01f250, 0x01f251, 2}, - {0x01f252, 0x01f25f, -1}, {0x01f260, 0x01f265, 2}, {0x01f266, 0x01f2ff, -1}, - {0x01f300, 0x01f320, 2}, {0x01f321, 0x01f32c, 1}, {0x01f32d, 0x01f335, 2}, - {0x01f336, 0x01f336, 1}, {0x01f337, 0x01f37c, 2}, {0x01f37d, 0x01f37d, 1}, - {0x01f37e, 0x01f393, 2}, {0x01f394, 0x01f39f, 1}, {0x01f3a0, 0x01f3ca, 2}, - {0x01f3cb, 0x01f3ce, 1}, {0x01f3cf, 0x01f3d3, 2}, {0x01f3d4, 0x01f3df, 1}, - {0x01f3e0, 0x01f3f0, 2}, {0x01f3f1, 0x01f3f3, 1}, {0x01f3f4, 0x01f3f4, 2}, - {0x01f3f5, 0x01f3f7, 1}, {0x01f3f8, 0x01f43e, 2}, {0x01f43f, 0x01f43f, 1}, - {0x01f440, 0x01f440, 2}, {0x01f441, 0x01f441, 1}, {0x01f442, 0x01f4fc, 2}, - {0x01f4fd, 0x01f4fe, 1}, {0x01f4ff, 0x01f53d, 2}, {0x01f53e, 0x01f54a, 1}, - {0x01f54b, 0x01f54e, 2}, {0x01f54f, 0x01f54f, 1}, {0x01f550, 0x01f567, 2}, - {0x01f568, 0x01f579, 1}, {0x01f57a, 0x01f57a, 2}, {0x01f57b, 0x01f594, 1}, - {0x01f595, 0x01f596, 2}, {0x01f597, 0x01f5a3, 1}, {0x01f5a4, 0x01f5a4, 2}, - {0x01f5a5, 0x01f5fa, 1}, {0x01f5fb, 0x01f64f, 2}, {0x01f650, 0x01f67f, 1}, - {0x01f680, 0x01f6c5, 2}, {0x01f6c6, 0x01f6cb, 1}, {0x01f6cc, 0x01f6cc, 2}, - {0x01f6cd, 0x01f6cf, 1}, {0x01f6d0, 0x01f6d2, 2}, {0x01f6d3, 0x01f6d4, 1}, - {0x01f6d5, 0x01f6d7, 2}, {0x01f6d8, 0x01f6db, -1}, {0x01f6dc, 0x01f6df, 2}, - {0x01f6e0, 0x01f6ea, 1}, {0x01f6eb, 0x01f6ec, 2}, {0x01f6ed, 0x01f6ef, -1}, - {0x01f6f0, 0x01f6f3, 1}, {0x01f6f4, 0x01f6fc, 2}, {0x01f6fd, 0x01f6ff, -1}, - {0x01f700, 0x01f776, 1}, {0x01f777, 0x01f77a, -1}, {0x01f77b, 0x01f7d9, 1}, - {0x01f7da, 0x01f7df, -1}, {0x01f7e0, 0x01f7eb, 2}, {0x01f7ec, 0x01f7ef, -1}, - {0x01f7f0, 0x01f7f0, 2}, {0x01f7f1, 0x01f7ff, -1}, {0x01f800, 0x01f80b, 1}, - {0x01f80c, 0x01f80f, -1}, {0x01f810, 0x01f847, 1}, {0x01f848, 0x01f84f, -1}, - {0x01f850, 0x01f859, 1}, {0x01f85a, 0x01f85f, -1}, {0x01f860, 0x01f887, 1}, - {0x01f888, 0x01f88f, -1}, {0x01f890, 0x01f8ad, 1}, {0x01f8ae, 0x01f8af, -1}, - {0x01f8b0, 0x01f8bb, 1}, {0x01f8bc, 0x01f8bf, -1}, {0x01f8c0, 0x01f8c1, 1}, - {0x01f8c2, 0x01f8ff, -1}, {0x01f900, 0x01f90b, 1}, {0x01f90c, 0x01f93a, 2}, - {0x01f93b, 0x01f93b, 1}, {0x01f93c, 0x01f945, 2}, {0x01f946, 0x01f946, 1}, - {0x01f947, 0x01f9ff, 2}, {0x01fa00, 0x01fa53, 1}, {0x01fa54, 0x01fa5f, -1}, - {0x01fa60, 0x01fa6d, 1}, {0x01fa6e, 0x01fa6f, -1}, {0x01fa70, 0x01fa7c, 2}, - {0x01fa7d, 0x01fa7f, -1}, {0x01fa80, 0x01fa89, 2}, {0x01fa8a, 0x01fa8e, -1}, - {0x01fa8f, 0x01fac6, 2}, {0x01fac7, 0x01facd, -1}, {0x01face, 0x01fadc, 2}, - {0x01fadd, 0x01fade, -1}, {0x01fadf, 0x01fae9, 2}, {0x01faea, 0x01faef, -1}, - {0x01faf0, 0x01faf8, 2}, {0x01faf9, 0x01faff, -1}, {0x01fb00, 0x01fb92, 1}, - {0x01fb93, 0x01fb93, -1}, {0x01fb94, 0x01fbf9, 1}, {0x01fbfa, 0x01ffff, -1}, - {0x020000, 0x02a6df, 2}, {0x02a6e0, 0x02a6ff, -1}, {0x02a700, 0x02b739, 2}, - {0x02b73a, 0x02b73f, -1}, {0x02b740, 0x02b81d, 2}, {0x02b81e, 0x02b81f, -1}, - {0x02b820, 0x02cea1, 2}, {0x02cea2, 0x02ceaf, -1}, {0x02ceb0, 0x02ebe0, 2}, - {0x02ebe1, 0x02ebef, -1}, {0x02ebf0, 0x02ee5d, 2}, {0x02ee5e, 0x02f7ff, -1}, - {0x02f800, 0x02fa1d, 2}, {0x02fa1e, 0x02ffff, -1}, {0x030000, 0x03134a, 2}, - {0x03134b, 0x03134f, -1}, {0x031350, 0x0323af, 2}, {0x0323b0, 0x0e0000, -1}, - {0x0e0001, 0x0e0001, 0}, {0x0e0002, 0x0e001f, -1}, {0x0e0020, 0x0e007f, 0}, - {0x0e0080, 0x0e00ff, -1}, {0x0e0100, 0x0e01ef, 0}, {0x0e01f0, 0x0effff, -1}, - {0x0f0000, 0x0ffffd, 1}, {0x0ffffe, 0x0fffff, -1}, {0x100000, 0x10fffd, 1}, - {0x10fffe, 0x10ffff, -1}, - // clang-format on -}; -#define WCWIDTH_TABLE_LENGTH 2143 -#endif // ifndef TB_OPT_LIBC_WCHAR - -static int tb_reset(void); -static int tb_printf_inner(int x, int y, uintattr_t fg, uintattr_t bg, - size_t *out_w, const char *fmt, va_list vl); -static int init_term_attrs(void); -static int init_term_caps(void); -static int init_cap_trie(void); -static int cap_trie_add(const char *cap, uint16_t key, uint8_t mod); -static int cap_trie_find(const char *buf, size_t nbuf, struct cap_trie_t **last, - size_t *depth); -static int cap_trie_deinit(struct cap_trie_t *node); -static int init_resize_handler(void); -static int send_init_escape_codes(void); -static int send_clear(void); -static int update_term_size(void); -static int update_term_size_via_esc(void); -static int init_cellbuf(void); -static int tb_deinit(void); -static int load_terminfo(void); -static int load_terminfo_from_path(const char *path, const char *term); -static int read_terminfo_path(const char *path); -static int parse_terminfo_caps(void); -static int load_builtin_caps(void); -static const char *get_terminfo_string(int16_t offsets_pos, int16_t offsets_len, - int16_t table_pos, int16_t table_size, int16_t index); -static int get_terminfo_int16(int offset, int16_t *val); -static int wait_event(struct tb_event *event, int timeout); -static int extract_event(struct tb_event *event); -static int extract_esc(struct tb_event *event); -static int extract_esc_user(struct tb_event *event, int is_post); -static int extract_esc_cap(struct tb_event *event); -static int extract_esc_mouse(struct tb_event *event); -static int resize_cellbufs(void); -static void handle_resize(int sig); -static int send_attr(uintattr_t fg, uintattr_t bg); -static int send_sgr(uint32_t fg, uint32_t bg, int fg_is_default, - int bg_is_default); -static int send_cursor_if(int x, int y); -static int send_char(int x, int y, uint32_t ch); -static int send_cluster(int x, int y, uint32_t *ch, size_t nch); -static int convert_num(uint32_t num, char *buf); -static int cell_cmp(struct tb_cell *a, struct tb_cell *b); -static int cell_copy(struct tb_cell *dst, struct tb_cell *src); -static int cell_set(struct tb_cell *cell, uint32_t *ch, size_t nch, - uintattr_t fg, uintattr_t bg); -static int cell_reserve_ech(struct tb_cell *cell, size_t n); -static int cell_free(struct tb_cell *cell); -static int cellbuf_init(struct cellbuf_t *c, int w, int h); -static int cellbuf_free(struct cellbuf_t *c); -static int cellbuf_clear(struct cellbuf_t *c); -static int cellbuf_get(struct cellbuf_t *c, int x, int y, struct tb_cell **out); -static int cellbuf_in_bounds(struct cellbuf_t *c, int x, int y); -static int cellbuf_resize(struct cellbuf_t *c, int w, int h); -static int bytebuf_puts(struct bytebuf_t *b, const char *str); -static int bytebuf_nputs(struct bytebuf_t *b, const char *str, size_t nstr); -static int bytebuf_shift(struct bytebuf_t *b, size_t n); -static int bytebuf_flush(struct bytebuf_t *b, int fd); -static int bytebuf_reserve(struct bytebuf_t *b, size_t sz); -static int bytebuf_free(struct bytebuf_t *b); -static int tb_iswprint_ex(uint32_t ch, int *width); -static int tb_wcswidth(uint32_t *ch, size_t nch); - -int tb_init(void) { - return tb_init_file("/dev/tty"); -} - -int tb_init_file(const char *path) { - if (global.initialized) return TB_ERR_INIT_ALREADY; - int ttyfd = open(path, O_RDWR); - if (ttyfd < 0) { - global.last_errno = errno; - return TB_ERR_INIT_OPEN; - } - global.ttyfd_open = 1; - return tb_init_fd(ttyfd); -} - -int tb_init_fd(int ttyfd) { - return tb_init_rwfd(ttyfd, ttyfd); -} - -int tb_init_rwfd(int rfd, int wfd) { - int rv; - - tb_reset(); - global.ttyfd = rfd == wfd && isatty(rfd) ? rfd : -1; - global.rfd = rfd; - global.wfd = wfd; - - do { - if_err_break(rv, init_term_attrs()); - if_err_break(rv, init_term_caps()); - if_err_break(rv, init_cap_trie()); - if_err_break(rv, init_resize_handler()); - if_err_break(rv, send_init_escape_codes()); - if_err_break(rv, send_clear()); - if_err_break(rv, update_term_size()); - if_err_break(rv, init_cellbuf()); - global.initialized = 1; - } while (0); - - if (rv != TB_OK) tb_deinit(); - - return rv; -} - -int tb_shutdown(void) { - if_not_init_return(); - tb_deinit(); - return TB_OK; -} - -int tb_width(void) { - if_not_init_return(); - return global.width; -} - -int tb_height(void) { - if_not_init_return(); - return global.height; -} - -int tb_clear(void) { - if_not_init_return(); - return cellbuf_clear(&global.back); -} - -int tb_set_clear_attrs(uintattr_t fg, uintattr_t bg) { - if_not_init_return(); - global.fg = fg; - global.bg = bg; - return TB_OK; -} - -int tb_present(void) { - if_not_init_return(); - - int rv; - - // TODO: Assert global.back.(width,height) == global.front.(width,height) - - global.last_x = -1; - global.last_y = -1; - - int x, y, i; - for (y = 0; y < global.front.height; y++) { - for (x = 0; x < global.front.width;) { - struct tb_cell *back, *front; - if_err_return(rv, cellbuf_get(&global.back, x, y, &back)); - if_err_return(rv, cellbuf_get(&global.front, x, y, &front)); - - int w; - { -#ifdef TB_OPT_EGC - if (back->nech > 0) - w = tb_wcswidth(back->ech, back->nech); - else -#endif - w = tb_wcwidth((wchar_t)back->ch); - } - if (w < 1) w = 1; // wcwidth qreturns -1 for invalid codepoints - - if (cell_cmp(back, front) != 0) { - cell_copy(front, back); - - send_attr(back->fg, back->bg); - if (w > 1 && x >= global.front.width - (w - 1)) { - // Not enough room for wide char, send spaces - for (i = x; i < global.front.width; i++) { - send_char(i, y, ' '); - } - } else { - { -#ifdef TB_OPT_EGC - if (back->nech > 0) - send_cluster(x, y, back->ech, back->nech); - else -#endif - send_char(x, y, back->ch); - } - - // When wcwidth>1, we need to advance the cursor by more - // than 1, thereby skipping some cells. Set these skipped - // cells to an invalid codepoint in the front buffer, so - // that if this cell is later replaced by a wcwidth==1 char, - // we'll get a cell_cmp diff for the skipped cells and - // properly re-render. - for (i = 1; i < w; i++) { - struct tb_cell *front_wide; - uint32_t invalid = -1; - if_err_return(rv, - cellbuf_get(&global.front, x + i, y, &front_wide)); - if_err_return(rv, - cell_set(front_wide, &invalid, 1, -1, -1)); - } - } - } - x += w; - } - } - - if_err_return(rv, send_cursor_if(global.cursor_x, global.cursor_y)); - if_err_return(rv, bytebuf_flush(&global.out, global.wfd)); - - return TB_OK; -} - -int tb_invalidate(void) { - int rv; - if_not_init_return(); - if_err_return(rv, resize_cellbufs()); - return TB_OK; -} - -int tb_set_cursor(int cx, int cy) { - if_not_init_return(); - int rv; - if (cx < 0) cx = 0; - if (cy < 0) cy = 0; - if (global.cursor_x == -1) { - if_err_return(rv, - bytebuf_puts(&global.out, global.caps[TB_CAP_SHOW_CURSOR])); - } - if_err_return(rv, send_cursor_if(cx, cy)); - global.cursor_x = cx; - global.cursor_y = cy; - return TB_OK; -} - -int tb_hide_cursor(void) { - if_not_init_return(); - int rv; - if (global.cursor_x >= 0) { - if_err_return(rv, - bytebuf_puts(&global.out, global.caps[TB_CAP_HIDE_CURSOR])); - } - global.cursor_x = -1; - global.cursor_y = -1; - return TB_OK; -} - -int tb_set_cell(int x, int y, uint32_t ch, uintattr_t fg, uintattr_t bg) { - return tb_set_cell_ex(x, y, &ch, 1, fg, bg); -} - -int tb_set_cell_ex(int x, int y, uint32_t *ch, size_t nch, uintattr_t fg, - uintattr_t bg) { - if_not_init_return(); - int rv; - struct tb_cell *cell; - if_err_return(rv, cellbuf_get(&global.back, x, y, &cell)); - if_err_return(rv, cell_set(cell, ch, nch, fg, bg)); - return TB_OK; -} - -int tb_get_cell(int x, int y, int back, struct tb_cell *cell) { - if_not_init_return(); - int rv; - struct tb_cell *cellp = NULL; - rv = cellbuf_get(back ? &global.back : &global.front, x, y, &cellp); - if (cellp) memcpy(cell, cellp, sizeof(*cell)); - return rv; -} - -int tb_extend_cell(int x, int y, uint32_t ch) { - if_not_init_return(); -#ifdef TB_OPT_EGC - // TODO: iswprint ch? - int rv; - struct tb_cell *cell; - size_t nech; - if_err_return(rv, cellbuf_get(&global.back, x, y, &cell)); - if (cell->nech > 0) { // append to ech - nech = cell->nech + 1; - if_err_return(rv, cell_reserve_ech(cell, nech + 1)); - cell->ech[nech - 1] = ch; - } else { // make new ech - nech = 2; - if_err_return(rv, cell_reserve_ech(cell, nech + 1)); - cell->ech[0] = cell->ch; - cell->ech[1] = ch; - } - cell->ech[nech] = '\0'; - cell->nech = nech; - return TB_OK; -#else - (void)x; - (void)y; - (void)ch; - return TB_ERR; -#endif -} - -int tb_set_input_mode(int mode) { - if_not_init_return(); - - if (mode == TB_INPUT_CURRENT) return global.input_mode; - - int esc_or_alt = TB_INPUT_ESC | TB_INPUT_ALT; - if ((mode & esc_or_alt) == 0) { - // neither specified; flip on ESC - mode |= TB_INPUT_ESC; - } else if ((mode & esc_or_alt) == esc_or_alt) { - // both specified; flip off ALT - mode &= ~TB_INPUT_ALT; - } - - if (mode & TB_INPUT_MOUSE) { - bytebuf_puts(&global.out, TB_HARDCAP_ENTER_MOUSE); - bytebuf_flush(&global.out, global.wfd); - } else { - bytebuf_puts(&global.out, TB_HARDCAP_EXIT_MOUSE); - bytebuf_flush(&global.out, global.wfd); - } - - global.input_mode = mode; - return TB_OK; -} - -int tb_set_output_mode(int mode) { - if_not_init_return(); - switch (mode) { - case TB_OUTPUT_CURRENT: - return global.output_mode; - case TB_OUTPUT_NORMAL: - case TB_OUTPUT_256: - case TB_OUTPUT_216: - case TB_OUTPUT_GRAYSCALE: -#if TB_OPT_ATTR_W >= 32 - case TB_OUTPUT_TRUECOLOR: -#endif - global.last_fg = ~global.fg; - global.last_bg = ~global.bg; - global.output_mode = mode; - return TB_OK; - } - return TB_ERR; -} - -int tb_peek_event(struct tb_event *event, int timeout_ms) { - if_not_init_return(); - return wait_event(event, timeout_ms); -} - -int tb_poll_event(struct tb_event *event) { - if_not_init_return(); - return wait_event(event, -1); -} - -int tb_get_fds(int *ttyfd, int *resizefd) { - if_not_init_return(); - - *ttyfd = global.rfd; - *resizefd = global.resize_pipefd[0]; - - return TB_OK; -} - -int tb_print(int x, int y, uintattr_t fg, uintattr_t bg, const char *str) { - return tb_print_ex(x, y, fg, bg, NULL, str); -} - -int tb_print_ex(int x, int y, uintattr_t fg, uintattr_t bg, size_t *out_w, - const char *str) { - int rv, w, ix, x_prev; - uint32_t uni; - - if_not_init_return(); - - if (!cellbuf_in_bounds(&global.back, x, y)) { - return TB_ERR_OUT_OF_BOUNDS; - } - - ix = x; - x_prev = x; - if (out_w) *out_w = 0; - - while (*str) { - rv = tb_utf8_char_to_unicode(&uni, str); - - if (rv < 0) { - uni = 0xfffd; // replace invalid UTF-8 char with U+FFFD - str += rv * -1; - } else if (rv > 0) { - str += rv; - } else { - break; // shouldn't get here - } - - if (uni == '\n') { // TODO: \r, \t, \v, \f, etc? - x = ix; - x_prev = x; - y += 1; - continue; - } else if (!tb_iswprint_ex(uni, &w)) { - uni = 0xfffd; // replace non-printable with U+FFFD - w = 1; - } - - if (w < 0) { - return TB_ERR; // shouldn't happen if iswprint - } else if (w == 0) { // combining character - if (cellbuf_in_bounds(&global.back, x_prev, y)) { - if_err_return(rv, tb_extend_cell(x_prev, y, uni)); - } - } else { - if (cellbuf_in_bounds(&global.back, x, y)) { - if_err_return(rv, tb_set_cell(x, y, uni, fg, bg)); - } - x_prev = x; - x += w; - if (out_w) *out_w += w; - } - } - - return TB_OK; -} - -int tb_printf(int x, int y, uintattr_t fg, uintattr_t bg, const char *fmt, - ...) { - int rv; - va_list vl; - va_start(vl, fmt); - rv = tb_printf_inner(x, y, fg, bg, NULL, fmt, vl); - va_end(vl); - return rv; -} - -int tb_printf_ex(int x, int y, uintattr_t fg, uintattr_t bg, size_t *out_w, - const char *fmt, ...) { - int rv; - va_list vl; - va_start(vl, fmt); - rv = tb_printf_inner(x, y, fg, bg, out_w, fmt, vl); - va_end(vl); - return rv; -} - -int tb_send(const char *buf, size_t nbuf) { - return bytebuf_nputs(&global.out, buf, nbuf); -} - -int tb_sendf(const char *fmt, ...) { - int rv; - char buf[TB_OPT_PRINTF_BUF]; - va_list vl; - va_start(vl, fmt); - rv = vsnprintf(buf, sizeof(buf), fmt, vl); - va_end(vl); - if (rv < 0 || rv >= (int)sizeof(buf)) { - return TB_ERR; - } - return tb_send(buf, (size_t)rv); -} - -int tb_set_func(int fn_type, int (*fn)(struct tb_event *, size_t *)) { - switch (fn_type) { - case TB_FUNC_EXTRACT_PRE: - global.fn_extract_esc_pre = fn; - return TB_OK; - case TB_FUNC_EXTRACT_POST: - global.fn_extract_esc_post = fn; - return TB_OK; - } - return TB_ERR; -} - -struct tb_cell *tb_cell_buffer(void) { - if (!global.initialized) return NULL; - return global.back.cells; -} - -int tb_utf8_char_length(char c) { - return utf8_length[(unsigned char)c]; -} - -int tb_utf8_char_to_unicode(uint32_t *out, const char *c) { - if (*c == '\0') return 0; - - int i; - unsigned char len = tb_utf8_char_length(*c); - unsigned char mask = utf8_mask[len - 1]; - uint32_t result = c[0] & mask; - for (i = 1; i < len && c[i] != '\0'; ++i) { - result <<= 6; - result |= c[i] & 0x3f; - } - - if (i != len) return i * -1; - - *out = result; - return (int)len; -} - -int tb_utf8_unicode_to_char(char *out, uint32_t c) { - int len = 0; - int first; - int i; - - if (c < 0x80) { - first = 0; - len = 1; - } else if (c < 0x800) { - first = 0xc0; - len = 2; - } else if (c < 0x10000) { - first = 0xe0; - len = 3; - } else if (c < 0x200000) { - first = 0xf0; - len = 4; - } else if (c < 0x4000000) { - first = 0xf8; - len = 5; - } else { - first = 0xfc; - len = 6; - } - - for (i = len - 1; i > 0; --i) { - out[i] = (c & 0x3f) | 0x80; - c >>= 6; - } - out[0] = c | first; - out[len] = '\0'; - - return len; -} - -int tb_last_errno(void) { - return global.last_errno; -} - -const char *tb_strerror(int err) { - switch (err) { - case TB_OK: - return "Success"; - case TB_ERR_NEED_MORE: - return "Not enough input"; - case TB_ERR_INIT_ALREADY: - return "Termbox initialized already"; - case TB_ERR_MEM: - return "Out of memory"; - case TB_ERR_NO_EVENT: - return "No event"; - case TB_ERR_NO_TERM: - return "No TERM in environment"; - case TB_ERR_NOT_INIT: - return "Termbox not initialized"; - case TB_ERR_OUT_OF_BOUNDS: - return "Out of bounds"; - case TB_ERR_UNSUPPORTED_TERM: - return "Unsupported terminal"; - case TB_ERR_CAP_COLLISION: - return "Termcaps collision"; - case TB_ERR_RESIZE_SSCANF: - return "Terminal width/height not received by sscanf() after " - "resize"; - case TB_ERR: - case TB_ERR_INIT_OPEN: - case TB_ERR_READ: - case TB_ERR_RESIZE_IOCTL: - case TB_ERR_RESIZE_PIPE: - case TB_ERR_RESIZE_SIGACTION: - case TB_ERR_POLL: - case TB_ERR_TCGETATTR: - case TB_ERR_TCSETATTR: - case TB_ERR_RESIZE_WRITE: - case TB_ERR_RESIZE_POLL: - case TB_ERR_RESIZE_READ: - default: - strerror_r(global.last_errno, global.errbuf, sizeof(global.errbuf)); - return (const char *)global.errbuf; - } -} - -int tb_has_truecolor(void) { -#if TB_OPT_ATTR_W >= 32 - return 1; -#else - return 0; -#endif -} - -int tb_has_egc(void) { -#ifdef TB_OPT_EGC - return 1; -#else - return 0; -#endif -} - -int tb_attr_width(void) { - return TB_OPT_ATTR_W; -} - -const char *tb_version(void) { - return TB_VERSION_STR; -} - -static int tb_reset(void) { - int ttyfd_open = global.ttyfd_open; - memset(&global, 0, sizeof(global)); - global.ttyfd = -1; - global.rfd = -1; - global.wfd = -1; - global.ttyfd_open = ttyfd_open; - global.resize_pipefd[0] = -1; - global.resize_pipefd[1] = -1; - global.width = -1; - global.height = -1; - global.cursor_x = -1; - global.cursor_y = -1; - global.last_x = -1; - global.last_y = -1; - global.fg = TB_DEFAULT; - global.bg = TB_DEFAULT; - global.last_fg = ~global.fg; - global.last_bg = ~global.bg; - global.input_mode = TB_INPUT_ESC; - global.output_mode = TB_OUTPUT_NORMAL; - return TB_OK; -} - -static int init_term_attrs(void) { - if (global.ttyfd < 0) return TB_OK; - - if (tcgetattr(global.ttyfd, &global.orig_tios) != 0) { - global.last_errno = errno; - return TB_ERR_TCGETATTR; - } - - struct termios tios; - memcpy(&tios, &global.orig_tios, sizeof(tios)); - global.has_orig_tios = 1; - - cfmakeraw(&tios); - tios.c_cc[VMIN] = 1; - tios.c_cc[VTIME] = 0; - - if (tcsetattr(global.ttyfd, TCSAFLUSH, &tios) != 0) { - global.last_errno = errno; - return TB_ERR_TCSETATTR; - } - - return TB_OK; -} - -int tb_printf_inner(int x, int y, uintattr_t fg, uintattr_t bg, size_t *out_w, - const char *fmt, va_list vl) { - int rv; - char buf[TB_OPT_PRINTF_BUF]; - rv = vsnprintf(buf, sizeof(buf), fmt, vl); - if (rv < 0 || rv >= (int)sizeof(buf)) { - return TB_ERR; - } - return tb_print_ex(x, y, fg, bg, out_w, buf); -} - -static int init_term_caps(void) { - if (load_terminfo() == TB_OK) { - return parse_terminfo_caps(); - } - return load_builtin_caps(); -} - -static int init_cap_trie(void) { - int rv, i; - - // Add caps from terminfo or built-in - // - // Collisions are expected as some terminfo entries have dupes. (For - // example, att605-pc collides on TB_CAP_F4 and TB_CAP_DELETE.) First cap - // in TB_CAP_* index order will win. - // - // TODO: Reorder TB_CAP_* so more critical caps come first. - for (i = 0; i < TB_CAP__COUNT_KEYS; i++) { - rv = cap_trie_add(global.caps[i], tb_key_i(i), 0); - if (rv != TB_OK && rv != TB_ERR_CAP_COLLISION) return rv; - } - - // Add built-in mod caps - // - // Collisions are OK here as well. This can happen if global.caps collides - // with builtin_mod_caps. It is desirable to give precedence to global.caps - // here. - for (i = 0; builtin_mod_caps[i].cap != NULL; i++) { - rv = cap_trie_add(builtin_mod_caps[i].cap, builtin_mod_caps[i].key, - builtin_mod_caps[i].mod); - if (rv != TB_OK && rv != TB_ERR_CAP_COLLISION) return rv; - } - - return TB_OK; -} - -static int cap_trie_add(const char *cap, uint16_t key, uint8_t mod) { - struct cap_trie_t *next, *node = &global.cap_trie; - size_t i, j; - - if (!cap || strlen(cap) <= 0) return TB_OK; // Nothing to do for empty caps - - for (i = 0; cap[i] != '\0'; i++) { - char c = cap[i]; - next = NULL; - - // Check if c is already a child of node - for (j = 0; j < node->nchildren; j++) { - if (node->children[j].c == c) { - next = &node->children[j]; - break; - } - } - if (!next) { - // We need to add a new child to node - node->nchildren += 1; - node->children = (struct cap_trie_t *)tb_realloc(node->children, - sizeof(*node) * node->nchildren); - if (!node->children) { - return TB_ERR_MEM; - } - next = &node->children[node->nchildren - 1]; - memset(next, 0, sizeof(*next)); - next->c = c; - } - - // Continue - node = next; - } - - if (node->is_leaf) { - // Already a leaf here - return TB_ERR_CAP_COLLISION; - } - - node->is_leaf = 1; - node->key = key; - node->mod = mod; - return TB_OK; -} - -static int cap_trie_find(const char *buf, size_t nbuf, struct cap_trie_t **last, - size_t *depth) { - struct cap_trie_t *next, *node = &global.cap_trie; - size_t i, j; - *last = node; - *depth = 0; - for (i = 0; i < nbuf; i++) { - char c = buf[i]; - next = NULL; - - // Find c in node.children - for (j = 0; j < node->nchildren; j++) { - if (node->children[j].c == c) { - next = &node->children[j]; - break; - } - } - if (!next) { - // Not found - return TB_OK; - } - node = next; - *last = node; - *depth += 1; - if (node->is_leaf && node->nchildren < 1) { - break; - } - } - return TB_OK; -} - -static int cap_trie_deinit(struct cap_trie_t *node) { - size_t j; - for (j = 0; j < node->nchildren; j++) { - cap_trie_deinit(&node->children[j]); - } - if (node->children) tb_free(node->children); - memset(node, 0, sizeof(*node)); - return TB_OK; -} - -static int init_resize_handler(void) { - if (pipe(global.resize_pipefd) != 0) { - global.last_errno = errno; - return TB_ERR_RESIZE_PIPE; - } - - struct sigaction sa; - memset(&sa, 0, sizeof(sa)); - sa.sa_handler = handle_resize; - if (sigaction(SIGWINCH, &sa, NULL) != 0) { - global.last_errno = errno; - return TB_ERR_RESIZE_SIGACTION; - } - - return TB_OK; -} - -static int send_init_escape_codes(void) { - int rv; - if_err_return(rv, bytebuf_puts(&global.out, global.caps[TB_CAP_ENTER_CA])); - if_err_return(rv, - bytebuf_puts(&global.out, global.caps[TB_CAP_ENTER_KEYPAD])); - if_err_return(rv, - bytebuf_puts(&global.out, global.caps[TB_CAP_HIDE_CURSOR])); - return TB_OK; -} - -static int send_clear(void) { - int rv; - - if_err_return(rv, send_attr(global.fg, global.bg)); - if_err_return(rv, - bytebuf_puts(&global.out, global.caps[TB_CAP_CLEAR_SCREEN])); - - if_err_return(rv, send_cursor_if(global.cursor_x, global.cursor_y)); - if_err_return(rv, bytebuf_flush(&global.out, global.wfd)); - - global.last_x = -1; - global.last_y = -1; - - return TB_OK; -} - -static int update_term_size(void) { - int rv, ioctl_errno; - - if (global.ttyfd < 0) return TB_OK; - - struct winsize sz; - memset(&sz, 0, sizeof(sz)); - - // Try ioctl TIOCGWINSZ - if (ioctl(global.ttyfd, TIOCGWINSZ, &sz) == 0) { - global.width = sz.ws_col; - global.height = sz.ws_row; - return TB_OK; - } - ioctl_errno = errno; - - // Try >cursor(9999,9999), >u7, = 0) { - bytebuf_puts(&global.out, global.caps[TB_CAP_SHOW_CURSOR]); - bytebuf_puts(&global.out, global.caps[TB_CAP_SGR0]); - bytebuf_puts(&global.out, global.caps[TB_CAP_CLEAR_SCREEN]); - bytebuf_puts(&global.out, global.caps[TB_CAP_EXIT_CA]); - bytebuf_puts(&global.out, global.caps[TB_CAP_EXIT_KEYPAD]); - bytebuf_puts(&global.out, TB_HARDCAP_EXIT_MOUSE); - bytebuf_flush(&global.out, global.wfd); - } - if (global.ttyfd >= 0) { - if (global.has_orig_tios) { - tcsetattr(global.ttyfd, TCSAFLUSH, &global.orig_tios); - } - if (global.ttyfd_open) { - close(global.ttyfd); - global.ttyfd_open = 0; - } - } - - struct sigaction sa; - memset(&sa, 0, sizeof(sa)); - sa.sa_handler = SIG_DFL; - sigaction(SIGWINCH, &sa, NULL); - if (global.resize_pipefd[0] >= 0) close(global.resize_pipefd[0]); - if (global.resize_pipefd[1] >= 0) close(global.resize_pipefd[1]); - - cellbuf_free(&global.back); - cellbuf_free(&global.front); - bytebuf_free(&global.in); - bytebuf_free(&global.out); - - if (global.terminfo) tb_free(global.terminfo); - - cap_trie_deinit(&global.cap_trie); - - tb_reset(); - return TB_OK; -} - -static int load_terminfo(void) { - int rv; - char tmp[TB_PATH_MAX]; - - // See terminfo(5) "Fetching Compiled Descriptions" for a description of - // this behavior. Some of these paths are compile-time ncurses options, so - // best guesses are used here. - const char *term = getenv("TERM"); - if (!term) return TB_ERR; - - // If TERMINFO is set, try that directory and stop - const char *terminfo = getenv("TERMINFO"); - if (terminfo) return load_terminfo_from_path(terminfo, term); - - // Next try ~/.terminfo - const char *home = getenv("HOME"); - if (home) { - snprintf_or_return(rv, tmp, sizeof(tmp), "%s/.terminfo", home); - if_ok_return(rv, load_terminfo_from_path(tmp, term)); - } - - // Next try TERMINFO_DIRS - // - // Note, empty entries are supposed to be interpretted as the "compiled-in - // default", which is of course system-dependent. Previously /etc/terminfo - // was used here. Let's skip empty entries altogether rather than give - // precedence to a guess, and check common paths after this loop. - const char *dirs = getenv("TERMINFO_DIRS"); - if (dirs) { - snprintf_or_return(rv, tmp, sizeof(tmp), "%s", dirs); - char *dir = strtok(tmp, ":"); - while (dir) { - const char *cdir = dir; - if (*cdir != '\0') { - if_ok_return(rv, load_terminfo_from_path(cdir, term)); - } - dir = strtok(NULL, ":"); - } - } - -#ifdef TB_TERMINFO_DIR - if_ok_return(rv, load_terminfo_from_path(TB_TERMINFO_DIR, term)); -#endif - if_ok_return(rv, load_terminfo_from_path("/usr/local/etc/terminfo", term)); - if_ok_return(rv, - load_terminfo_from_path("/usr/local/share/terminfo", term)); - if_ok_return(rv, load_terminfo_from_path("/usr/local/lib/terminfo", term)); - if_ok_return(rv, load_terminfo_from_path("/etc/terminfo", term)); - if_ok_return(rv, load_terminfo_from_path("/usr/share/terminfo", term)); - if_ok_return(rv, load_terminfo_from_path("/usr/lib/terminfo", term)); - if_ok_return(rv, load_terminfo_from_path("/usr/share/lib/terminfo", term)); - if_ok_return(rv, load_terminfo_from_path("/lib/terminfo", term)); - - return TB_ERR; -} - -static int load_terminfo_from_path(const char *path, const char *term) { - int rv; - char tmp[TB_PATH_MAX]; - - // Look for term at this terminfo location, e.g., /x/xterm - snprintf_or_return(rv, tmp, sizeof(tmp), "%s/%c/%s", path, term[0], term); - if_ok_return(rv, read_terminfo_path(tmp)); - -#ifdef __APPLE__ - // Try the Darwin equivalent path, e.g., /78/xterm - snprintf_or_return(rv, tmp, sizeof(tmp), "%s/%x/%s", path, term[0], term); - return read_terminfo_path(tmp); -#endif - - return TB_ERR; -} - -static int read_terminfo_path(const char *path) { - FILE *fp = fopen(path, "rb"); - if (!fp) return TB_ERR; - - struct stat st; - if (fstat(fileno(fp), &st) != 0) { - fclose(fp); - return TB_ERR; - } - - size_t fsize = st.st_size; - char *data = (char *)tb_malloc(fsize); - if (!data) { - fclose(fp); - return TB_ERR; - } - - if (fread(data, 1, fsize, fp) != fsize) { - fclose(fp); - tb_free(data); - return TB_ERR; - } - - global.terminfo = data; - global.nterminfo = fsize; - - fclose(fp); - return TB_OK; -} - -static int parse_terminfo_caps(void) { - // See term(5) "LEGACY STORAGE FORMAT" and "EXTENDED STORAGE FORMAT" for a - // description of this behavior. - - // Ensure there's at least a header's worth of data - if (global.nterminfo < 6 * (int)sizeof(int16_t)) return TB_ERR; - - int16_t magic_number, nbytes_names, nbytes_bools, num_ints, num_offsets, - nbytes_strings; - size_t nbytes_header = 6 * sizeof(int16_t); - // header[0] the magic number (octal 0432 or 01036) - // header[1] the size, in bytes, of the names section - // header[2] the number of bytes in the boolean section - // header[3] the number of short integers in the numbers section - // header[4] the number of offsets (short integers) in the strings section - // header[5] the size, in bytes, of the string table - get_terminfo_int16(0 * sizeof(int16_t), &magic_number); - get_terminfo_int16(1 * sizeof(int16_t), &nbytes_names); - get_terminfo_int16(2 * sizeof(int16_t), &nbytes_bools); - get_terminfo_int16(3 * sizeof(int16_t), &num_ints); - get_terminfo_int16(4 * sizeof(int16_t), &num_offsets); - get_terminfo_int16(5 * sizeof(int16_t), &nbytes_strings); - - // Legacy ints are 16-bit, extended ints are 32-bit - const int bytes_per_int = magic_number == 01036 ? 4 // 32-bit - : 2; // 16-bit - - // > Between the boolean section and the number section, a null byte will be - // > inserted, if necessary, to ensure that the number section begins on an - // > even byte - const int align_offset = (nbytes_names + nbytes_bools) % 2 != 0 ? 1 : 0; - - const int pos_str_offsets = - nbytes_header // header (12 bytes) - + nbytes_names // length of names section - + nbytes_bools // length of boolean section - + align_offset + - (num_ints * bytes_per_int); // length of numbers section - - const int pos_str_table = - pos_str_offsets + - (num_offsets * sizeof(int16_t)); // length of string offsets table - - // Load caps - int i; - for (i = 0; i < TB_CAP__COUNT; i++) { - const char *cap = get_terminfo_string(pos_str_offsets, num_offsets, - pos_str_table, nbytes_strings, terminfo_cap_indexes[i]); - if (!cap) { - // Something is not right - return TB_ERR; - } - global.caps[i] = cap; - } - - return TB_OK; -} - -static int load_builtin_caps(void) { - int i, j; - const char *term = getenv("TERM"); - - if (!term) return TB_ERR_NO_TERM; - - // Check for exact TERM match - for (i = 0; builtin_terms[i].name != NULL; i++) { - if (strcmp(term, builtin_terms[i].name) == 0) { - for (j = 0; j < TB_CAP__COUNT; j++) { - global.caps[j] = builtin_terms[i].caps[j]; - } - return TB_OK; - } - } - - // Check for partial TERM or alias match - for (i = 0; builtin_terms[i].name != NULL; i++) { - if (strstr(term, builtin_terms[i].name) != NULL || - (*(builtin_terms[i].alias) != '\0' && - strstr(term, builtin_terms[i].alias) != NULL)) - { - for (j = 0; j < TB_CAP__COUNT; j++) { - global.caps[j] = builtin_terms[i].caps[j]; - } - return TB_OK; - } - } - - return TB_ERR_UNSUPPORTED_TERM; -} - -static const char *get_terminfo_string(int16_t offsets_pos, int16_t offsets_len, - int16_t table_pos, int16_t table_size, int16_t index) { - if (index >= offsets_len) { - // An index beyond the offset table indicates absent - // See `convert_strings` in tinfo `read_entry.c` - return ""; - } - - int16_t table_offset; - int table_offset_offset = (int)offsets_pos + (index * (int)sizeof(int16_t)); - if (get_terminfo_int16(table_offset_offset, &table_offset) != TB_OK) { - // offset beyond end of terminfo entry - // Truncated/corrupt terminfo entry? - return NULL; - } - - if (table_offset < 0 || table_offset >= table_size) { - // A negative offset indicates absent - // An offset beyond the string table indicates absent - // See `convert_strings` in tinfo `read_entry.c` - return ""; - } - - int str_offset = (int)table_pos + (int)table_offset; - if (str_offset >= (int)global.nterminfo) { - // string beyond end of terminfo entry - // Truncated/corrupt terminfo entry? - return NULL; - } - - return (const char *)(global.terminfo + str_offset); -} - -static int get_terminfo_int16(int offset, int16_t *val) { - if (offset < 0 || offset >= (int)global.nterminfo) { - *val = -1; - return TB_ERR; - } - memcpy(val, global.terminfo + offset, sizeof(int16_t)); - return TB_OK; -} - -static int wait_event(struct tb_event *event, int timeout) { - int rv; - char buf[TB_OPT_READ_BUF]; - - memset(event, 0, sizeof(*event)); - if_ok_return(rv, extract_event(event)); - - fd_set fds; - struct timeval tv; - tv.tv_sec = timeout / 1000; - tv.tv_usec = (timeout - (tv.tv_sec * 1000)) * 1000; - - do { - FD_ZERO(&fds); - FD_SET(global.rfd, &fds); - FD_SET(global.resize_pipefd[0], &fds); - - int maxfd = global.resize_pipefd[0] > global.rfd - ? global.resize_pipefd[0] - : global.rfd; - - int select_rv = - select(maxfd + 1, &fds, NULL, NULL, (timeout < 0) ? NULL : &tv); - - if (select_rv < 0) { - // Let EINTR/EAGAIN bubble up - global.last_errno = errno; - return TB_ERR_POLL; - } else if (select_rv == 0) { - return TB_ERR_NO_EVENT; - } - - int tty_has_events = (FD_ISSET(global.rfd, &fds)); - int resize_has_events = (FD_ISSET(global.resize_pipefd[0], &fds)); - - if (tty_has_events) { - ssize_t read_rv = read(global.rfd, buf, sizeof(buf)); - if (read_rv < 0) { - global.last_errno = errno; - return TB_ERR_READ; - } else if (read_rv > 0) { - bytebuf_nputs(&global.in, buf, read_rv); - } - } - - if (resize_has_events) { - int ignore = 0; - read(global.resize_pipefd[0], &ignore, sizeof(ignore)); - // TODO: Harden against errors encountered mid-resize - if_err_return(rv, update_term_size()); - if_err_return(rv, resize_cellbufs()); - event->type = TB_EVENT_RESIZE; - event->w = global.width; - event->h = global.height; - return TB_OK; - } - - memset(event, 0, sizeof(*event)); - if_ok_return(rv, extract_event(event)); - } while (timeout == -1); - - return rv; -} - -static int extract_event(struct tb_event *event) { - int rv; - struct bytebuf_t *in = &global.in; - - if (in->len == 0) return TB_ERR; - - if (in->buf[0] == '\x1b') { - // Escape sequence? - // In TB_INPUT_ESC, skip if the buffer is a single escape char - if (!((global.input_mode & TB_INPUT_ESC) && in->len == 1)) { - if_ok_or_need_more_return(rv, extract_esc(event)); - } - - // Escape key? - if (global.input_mode & TB_INPUT_ESC) { - event->type = TB_EVENT_KEY; - event->ch = 0; - event->key = TB_KEY_ESC; - event->mod = 0; - bytebuf_shift(in, 1); - return TB_OK; - } - - // Recurse for alt key - event->mod |= TB_MOD_ALT; - bytebuf_shift(in, 1); - return extract_event(event); - } - - // ASCII control key? - int is_ctrl = - (uint16_t)in->buf[0] < TB_KEY_SPACE || in->buf[0] == TB_KEY_BACKSPACE2; - if (is_ctrl) { - event->type = TB_EVENT_KEY; - event->ch = 0; - event->key = (uint16_t)in->buf[0]; - event->mod |= TB_MOD_CTRL; - bytebuf_shift(in, 1); - return TB_OK; - } - - // UTF-8? - if (in->len >= (size_t)tb_utf8_char_length(in->buf[0])) { - event->type = TB_EVENT_KEY; - tb_utf8_char_to_unicode(&event->ch, in->buf); - event->key = 0; - bytebuf_shift(in, tb_utf8_char_length(in->buf[0])); - return TB_OK; - } - - // Need more input - return TB_ERR; -} - -static int extract_esc(struct tb_event *event) { - int rv; - if_ok_or_need_more_return(rv, extract_esc_user(event, 0)); - if_ok_or_need_more_return(rv, extract_esc_cap(event)); - if_ok_or_need_more_return(rv, extract_esc_mouse(event)); - if_ok_or_need_more_return(rv, extract_esc_user(event, 1)); - return TB_ERR; -} - -static int extract_esc_user(struct tb_event *event, int is_post) { - int rv; - size_t consumed = 0; - struct bytebuf_t *in = &global.in; - int (*fn)(struct tb_event *, size_t *); - - fn = is_post ? global.fn_extract_esc_post : global.fn_extract_esc_pre; - - if (!fn) return TB_ERR; - - rv = fn(event, &consumed); - if (rv == TB_OK) bytebuf_shift(in, consumed); - - if_ok_or_need_more_return(rv, rv); - return TB_ERR; -} - -static int extract_esc_cap(struct tb_event *event) { - int rv; - struct bytebuf_t *in = &global.in; - struct cap_trie_t *node; - size_t depth; - - if_err_return(rv, cap_trie_find(in->buf, in->len, &node, &depth)); - if (node->is_leaf) { - // Found a leaf node - event->type = TB_EVENT_KEY; - event->ch = 0; - event->key = node->key; - event->mod = node->mod; - bytebuf_shift(in, depth); - return TB_OK; - } else if (node->nchildren > 0 && in->len <= depth) { - // Found a branch node (not enough input) - return TB_ERR_NEED_MORE; - } - - return TB_ERR; -} - -static int extract_esc_mouse(struct tb_event *event) { - struct bytebuf_t *in = &global.in; - - enum { TYPE_VT200 = 0, TYPE_1006, TYPE_1015, TYPE_MAX }; - - const char *cmp[TYPE_MAX] = {// - // X10 mouse encoding, the simplest one - // \x1b [ M Cb Cx Cy - [TYPE_VT200] = "\x1b[M", - // xterm 1006 extended mode or urxvt 1015 extended mode - // xterm: \x1b [ < Cb ; Cx ; Cy (M or m) - [TYPE_1006] = "\x1b[<", - // urxvt: \x1b [ Cb ; Cx ; Cy M - [TYPE_1015] = "\x1b["}; - - int type = 0; - int ret = TB_ERR; - - // Unrolled at compile-time (probably) - for (; type < TYPE_MAX; type++) { - size_t size = strlen(cmp[type]); - - if (in->len >= size && (strncmp(cmp[type], in->buf, size)) == 0) { - break; - } - } - - if (type == TYPE_MAX) { - ret = TB_ERR; // No match - return ret; - } - - size_t buf_shift = 0; - - switch (type) { - case TYPE_VT200: - if (in->len >= 6) { - int b = in->buf[3] - 0x20; - int fail = 0; - - switch (b & 3) { - case 0: - event->key = ((b & 64) != 0) ? TB_KEY_MOUSE_WHEEL_UP - : TB_KEY_MOUSE_LEFT; - break; - case 1: - event->key = ((b & 64) != 0) ? TB_KEY_MOUSE_WHEEL_DOWN - : TB_KEY_MOUSE_MIDDLE; - break; - case 2: - event->key = TB_KEY_MOUSE_RIGHT; - break; - case 3: - event->key = TB_KEY_MOUSE_RELEASE; - break; - default: - ret = TB_ERR; - fail = 1; - break; - } - - if (!fail) { - if ((b & 32) != 0) { - event->mod |= TB_MOD_MOTION; - } - - // the coord is 1,1 for upper left - event->x = ((uint8_t)in->buf[4]) - 0x21; - event->y = ((uint8_t)in->buf[5]) - 0x21; - - ret = TB_OK; - } - - buf_shift = 6; - } - break; - case TYPE_1006: - // fallthrough - case TYPE_1015: { - size_t index_fail = (size_t)-1; - - enum { - FIRST_M = 0, - FIRST_SEMICOLON, - LAST_SEMICOLON, - FIRST_LAST_MAX - }; - - size_t indices[FIRST_LAST_MAX] = {index_fail, index_fail, - index_fail}; - int m_is_capital = 0; - - for (size_t i = 0; i < in->len; i++) { - if (in->buf[i] == ';') { - if (indices[FIRST_SEMICOLON] == index_fail) { - indices[FIRST_SEMICOLON] = i; - } else { - indices[LAST_SEMICOLON] = i; - } - } else if (indices[FIRST_M] == index_fail) { - if (in->buf[i] == 'm' || in->buf[i] == 'M') { - m_is_capital = (in->buf[i] == 'M'); - indices[FIRST_M] = i; - } - } - } - - if (indices[FIRST_M] == index_fail || - indices[FIRST_SEMICOLON] == index_fail || - indices[LAST_SEMICOLON] == index_fail) - { - ret = TB_ERR; - } else { - int start = (type == TYPE_1015 ? 2 : 3); - - unsigned n1 = strtoul(&in->buf[start], NULL, 10); - unsigned n2 = - strtoul(&in->buf[indices[FIRST_SEMICOLON] + 1], NULL, 10); - unsigned n3 = - strtoul(&in->buf[indices[LAST_SEMICOLON] + 1], NULL, 10); - - if (type == TYPE_1015) { - n1 -= 0x20; - } - - int fail = 0; - - switch (n1 & 3) { - case 0: - event->key = ((n1 & 64) != 0) ? TB_KEY_MOUSE_WHEEL_UP - : TB_KEY_MOUSE_LEFT; - break; - case 1: - event->key = ((n1 & 64) != 0) ? TB_KEY_MOUSE_WHEEL_DOWN - : TB_KEY_MOUSE_MIDDLE; - break; - case 2: - event->key = TB_KEY_MOUSE_RIGHT; - break; - case 3: - event->key = TB_KEY_MOUSE_RELEASE; - break; - default: - ret = TB_ERR; - fail = 1; - break; - } - - buf_shift = in->len; - - if (!fail) { - if (!m_is_capital) { - // on xterm mouse release is signaled by lowercase m - event->key = TB_KEY_MOUSE_RELEASE; - } - - if ((n1 & 32) != 0) { - event->mod |= TB_MOD_MOTION; - } - - event->x = ((uint8_t)n2) - 1; - event->y = ((uint8_t)n3) - 1; - - ret = TB_OK; - } - } - } break; - case TYPE_MAX: - ret = TB_ERR; - } - - if (buf_shift > 0) bytebuf_shift(in, buf_shift); - - if (ret == TB_OK) event->type = TB_EVENT_MOUSE; - - return ret; -} - -static int resize_cellbufs(void) { - int rv; - if_err_return(rv, - cellbuf_resize(&global.back, global.width, global.height)); - if_err_return(rv, - cellbuf_resize(&global.front, global.width, global.height)); - if_err_return(rv, cellbuf_clear(&global.front)); - if_err_return(rv, send_clear()); - return TB_OK; -} - -static void handle_resize(int sig) { - int errno_copy = errno; - write(global.resize_pipefd[1], &sig, sizeof(sig)); - errno = errno_copy; -} - -static int send_attr(uintattr_t fg, uintattr_t bg) { - int rv; - - if (fg == global.last_fg && bg == global.last_bg) { - return TB_OK; - } - - if_err_return(rv, bytebuf_puts(&global.out, global.caps[TB_CAP_SGR0])); - - uint32_t cfg, cbg; - switch (global.output_mode) { - default: - case TB_OUTPUT_NORMAL: - // The minus 1 below is because our colors are 1-indexed starting - // from black. Black is represented by a 30, 40, 90, or 100 for fg, - // bg, bright fg, or bright bg respectively. Red is 31, 41, 91, - // 101, etc. - cfg = (fg & TB_BRIGHT ? 90 : 30) + (fg & 0x0f) - 1; - cbg = (bg & TB_BRIGHT ? 100 : 40) + (bg & 0x0f) - 1; - break; - - case TB_OUTPUT_256: - cfg = fg & 0xff; - cbg = bg & 0xff; - if (fg & TB_HI_BLACK) cfg = 0; - if (bg & TB_HI_BLACK) cbg = 0; - break; - - case TB_OUTPUT_216: - cfg = fg & 0xff; - cbg = bg & 0xff; - if (cfg > 216) cfg = 216; - if (cbg > 216) cbg = 216; - cfg += 0x0f; - cbg += 0x0f; - break; - - case TB_OUTPUT_GRAYSCALE: - cfg = fg & 0xff; - cbg = bg & 0xff; - if (cfg > 24) cfg = 24; - if (cbg > 24) cbg = 24; - cfg += 0xe7; - cbg += 0xe7; - break; - -#if TB_OPT_ATTR_W >= 32 - case TB_OUTPUT_TRUECOLOR: - cfg = fg & 0xffffff; - cbg = bg & 0xffffff; - if (fg & TB_HI_BLACK) cfg = 0; - if (bg & TB_HI_BLACK) cbg = 0; - break; -#endif - } - - if (fg & TB_BOLD) - if_err_return(rv, bytebuf_puts(&global.out, global.caps[TB_CAP_BOLD])); - - if (fg & TB_BLINK) - if_err_return(rv, bytebuf_puts(&global.out, global.caps[TB_CAP_BLINK])); - - if (fg & TB_UNDERLINE) - if_err_return(rv, - bytebuf_puts(&global.out, global.caps[TB_CAP_UNDERLINE])); - - if (fg & TB_ITALIC) - if_err_return(rv, - bytebuf_puts(&global.out, global.caps[TB_CAP_ITALIC])); - - if (fg & TB_DIM) - if_err_return(rv, bytebuf_puts(&global.out, global.caps[TB_CAP_DIM])); - -#if TB_OPT_ATTR_W == 64 - if (fg & TB_STRIKEOUT) - if_err_return(rv, bytebuf_puts(&global.out, TB_HARDCAP_STRIKEOUT)); - - if (fg & TB_UNDERLINE_2) - if_err_return(rv, bytebuf_puts(&global.out, TB_HARDCAP_UNDERLINE_2)); - - if (fg & TB_OVERLINE) - if_err_return(rv, bytebuf_puts(&global.out, TB_HARDCAP_OVERLINE)); - - if (fg & TB_INVISIBLE) - if_err_return(rv, - bytebuf_puts(&global.out, global.caps[TB_CAP_INVISIBLE])); -#endif - - if ((fg & TB_REVERSE) || (bg & TB_REVERSE)) - if_err_return(rv, - bytebuf_puts(&global.out, global.caps[TB_CAP_REVERSE])); - - int fg_is_default = (fg & 0xff) == 0; - int bg_is_default = (bg & 0xff) == 0; - if (global.output_mode == TB_OUTPUT_256) { - if (fg & TB_HI_BLACK) fg_is_default = 0; - if (bg & TB_HI_BLACK) bg_is_default = 0; - } -#if TB_OPT_ATTR_W >= 32 - if (global.output_mode == TB_OUTPUT_TRUECOLOR) { - fg_is_default = ((fg & 0xffffff) == 0) && ((fg & TB_HI_BLACK) == 0); - bg_is_default = ((bg & 0xffffff) == 0) && ((bg & TB_HI_BLACK) == 0); - } -#endif - - if_err_return(rv, send_sgr(cfg, cbg, fg_is_default, bg_is_default)); - - global.last_fg = fg; - global.last_bg = bg; - - return TB_OK; -} - -static int send_sgr(uint32_t cfg, uint32_t cbg, int fg_is_default, - int bg_is_default) { - int rv; - char nbuf[32]; - - if (fg_is_default && bg_is_default) { - return TB_OK; - } - - switch (global.output_mode) { - default: - case TB_OUTPUT_NORMAL: - send_literal(rv, "\x1b["); - if (!fg_is_default) { - send_num(rv, nbuf, cfg); - if (!bg_is_default) { - send_literal(rv, ";"); - } - } - if (!bg_is_default) { - send_num(rv, nbuf, cbg); - } - send_literal(rv, "m"); - break; - - case TB_OUTPUT_256: - case TB_OUTPUT_216: - case TB_OUTPUT_GRAYSCALE: - send_literal(rv, "\x1b["); - if (!fg_is_default) { - send_literal(rv, "38;5;"); - send_num(rv, nbuf, cfg); - if (!bg_is_default) { - send_literal(rv, ";"); - } - } - if (!bg_is_default) { - send_literal(rv, "48;5;"); - send_num(rv, nbuf, cbg); - } - send_literal(rv, "m"); - break; - -#if TB_OPT_ATTR_W >= 32 - case TB_OUTPUT_TRUECOLOR: - send_literal(rv, "\x1b["); - if (!fg_is_default) { - send_literal(rv, "38;2;"); - send_num(rv, nbuf, (cfg >> 16) & 0xff); - send_literal(rv, ";"); - send_num(rv, nbuf, (cfg >> 8) & 0xff); - send_literal(rv, ";"); - send_num(rv, nbuf, cfg & 0xff); - if (!bg_is_default) { - send_literal(rv, ";"); - } - } - if (!bg_is_default) { - send_literal(rv, "48;2;"); - send_num(rv, nbuf, (cbg >> 16) & 0xff); - send_literal(rv, ";"); - send_num(rv, nbuf, (cbg >> 8) & 0xff); - send_literal(rv, ";"); - send_num(rv, nbuf, cbg & 0xff); - } - send_literal(rv, "m"); - break; -#endif - } - return TB_OK; -} - -static int send_cursor_if(int x, int y) { - int rv; - char nbuf[32]; - if (x < 0 || y < 0) { - return TB_OK; - } - send_literal(rv, "\x1b["); - send_num(rv, nbuf, y + 1); - send_literal(rv, ";"); - send_num(rv, nbuf, x + 1); - send_literal(rv, "H"); - return TB_OK; -} - -static int send_char(int x, int y, uint32_t ch) { - return send_cluster(x, y, &ch, 1); -} - -static int send_cluster(int x, int y, uint32_t *ch, size_t nch) { - int rv; - char chu8[8]; - - if (global.last_x != x - 1 || global.last_y != y) { - if_err_return(rv, send_cursor_if(x, y)); - } - global.last_x = x; - global.last_y = y; - - int i; - for (i = 0; i < (int)nch; i++) { - uint32_t ch32 = *(ch + i); - if (!tb_iswprint(ch32)) { - ch32 = 0xfffd; // replace non-printable codepoints with U+FFFD - } - int chu8_len = tb_utf8_unicode_to_char(chu8, ch32); - if_err_return(rv, bytebuf_nputs(&global.out, chu8, (size_t)chu8_len)); - } - - return TB_OK; -} - -static int convert_num(uint32_t num, char *buf) { - int i, l = 0; - char ch; - do { - buf[l++] = (char)('0' + (num % 10)); - num /= 10; - } while (num); - for (i = 0; i < l / 2; i++) { - ch = buf[i]; - buf[i] = buf[l - 1 - i]; - buf[l - 1 - i] = ch; - } - return l; -} - -static int cell_cmp(struct tb_cell *a, struct tb_cell *b) { - if (a->ch != b->ch || a->fg != b->fg || a->bg != b->bg) { - return 1; - } -#ifdef TB_OPT_EGC - if (a->nech != b->nech) { - return 1; - } else if (a->nech > 0) { // a->nech == b->nech - return memcmp(a->ech, b->ech, a->nech); - } -#endif - return 0; -} - -static int cell_copy(struct tb_cell *dst, struct tb_cell *src) { -#ifdef TB_OPT_EGC - if (src->nech > 0) { - return cell_set(dst, src->ech, src->nech, src->fg, src->bg); - } -#endif - return cell_set(dst, &src->ch, 1, src->fg, src->bg); -} - -static int cell_set(struct tb_cell *cell, uint32_t *ch, size_t nch, - uintattr_t fg, uintattr_t bg) { - // TODO: iswprint ch? - cell->ch = ch ? *ch : 0; - cell->fg = fg; - cell->bg = bg; -#ifdef TB_OPT_EGC - if (nch <= 1) { - cell->nech = 0; - } else { - int rv; - if_err_return(rv, cell_reserve_ech(cell, nch + 1)); - memcpy(cell->ech, ch, sizeof(*ch) * nch); - cell->ech[nch] = '\0'; - cell->nech = nch; - } -#else - (void)nch; - (void)cell_reserve_ech; -#endif - return TB_OK; -} - -static int cell_reserve_ech(struct tb_cell *cell, size_t n) { -#ifdef TB_OPT_EGC - if (cell->cech >= n) return TB_OK; - cell->ech = (uint32_t *)tb_realloc(cell->ech, n * sizeof(cell->ch)); - if (!cell->ech) return TB_ERR_MEM; - cell->cech = n; - return TB_OK; -#else - (void)cell; - (void)n; - return TB_ERR; -#endif -} - -static int cell_free(struct tb_cell *cell) { -#ifdef TB_OPT_EGC - if (cell->ech) tb_free(cell->ech); -#endif - memset(cell, 0, sizeof(*cell)); - return TB_OK; -} - -static int cellbuf_init(struct cellbuf_t *c, int w, int h) { - c->cells = (struct tb_cell *)tb_malloc(sizeof(struct tb_cell) * w * h); - if (!c->cells) return TB_ERR_MEM; - memset(c->cells, 0, sizeof(struct tb_cell) * w * h); - c->width = w; - c->height = h; - return TB_OK; -} - -static int cellbuf_free(struct cellbuf_t *c) { - if (c->cells) { - int i; - for (i = 0; i < c->width * c->height; i++) { - cell_free(&c->cells[i]); - } - tb_free(c->cells); - } - memset(c, 0, sizeof(*c)); - return TB_OK; -} - -static int cellbuf_clear(struct cellbuf_t *c) { - int rv, i; - uint32_t space = (uint32_t)' '; - for (i = 0; i < c->width * c->height; i++) { - if_err_return(rv, - cell_set(&c->cells[i], &space, 1, global.fg, global.bg)); - } - return TB_OK; -} - -static int cellbuf_get(struct cellbuf_t *c, int x, int y, - struct tb_cell **out) { - if (!cellbuf_in_bounds(c, x, y)) { - *out = NULL; - return TB_ERR_OUT_OF_BOUNDS; - } - *out = &c->cells[(y * c->width) + x]; - return TB_OK; -} - -static int cellbuf_in_bounds(struct cellbuf_t *c, int x, int y) { - if (x < 0 || x >= c->width || y < 0 || y >= c->height) { - return 0; - } - return 1; -} - -static int cellbuf_resize(struct cellbuf_t *c, int w, int h) { - int rv; - - int ow = c->width; - int oh = c->height; - - if (ow == w && oh == h) { - return TB_OK; - } - - w = w < 1 ? 1 : w; - h = h < 1 ? 1 : h; - - int minw = (w < ow) ? w : ow; - int minh = (h < oh) ? h : oh; - - struct tb_cell *prev = c->cells; - - if_err_return(rv, cellbuf_init(c, w, h)); - if_err_return(rv, cellbuf_clear(c)); - - int x, y; - for (x = 0; x < minw; x++) { - for (y = 0; y < minh; y++) { - struct tb_cell *src, *dst; - src = &prev[(y * ow) + x]; - if_err_return(rv, cellbuf_get(c, x, y, &dst)); - if_err_return(rv, cell_copy(dst, src)); - } - } - - tb_free(prev); - - return TB_OK; -} - -static int bytebuf_puts(struct bytebuf_t *b, const char *str) { - if (!str || strlen(str) <= 0) return TB_OK; // Nothing to do for empty caps - return bytebuf_nputs(b, str, (size_t)strlen(str)); -} - -static int bytebuf_nputs(struct bytebuf_t *b, const char *str, size_t nstr) { - int rv; - if_err_return(rv, bytebuf_reserve(b, b->len + nstr + 1)); - memcpy(b->buf + b->len, str, nstr); - b->len += nstr; - b->buf[b->len] = '\0'; - return TB_OK; -} - -static int bytebuf_shift(struct bytebuf_t *b, size_t n) { - if (n > b->len) n = b->len; - size_t nmove = b->len - n; - memmove(b->buf, b->buf + n, nmove); - b->len -= n; - return TB_OK; -} - -static int bytebuf_flush(struct bytebuf_t *b, int fd) { - if (b->len <= 0) return TB_OK; - ssize_t write_rv = write(fd, b->buf, b->len); - if (write_rv < 0 || (size_t)write_rv != b->len) { - // Note, errno will be 0 on partial write - global.last_errno = errno; - return TB_ERR; - } - b->len = 0; - return TB_OK; -} - -static int bytebuf_reserve(struct bytebuf_t *b, size_t sz) { - if (b->cap >= sz) return TB_OK; - - size_t newcap = b->cap > 0 ? b->cap : 1; - while (newcap < sz) { - newcap *= 2; - } - - char *newbuf; - if (b->buf) { - newbuf = (char *)tb_realloc(b->buf, newcap); - } else { - newbuf = (char *)tb_malloc(newcap); - } - if (!newbuf) return TB_ERR_MEM; - - b->buf = newbuf; - b->cap = newcap; - return TB_OK; -} - -static int bytebuf_free(struct bytebuf_t *b) { - if (b->buf) tb_free(b->buf); - memset(b, 0, sizeof(*b)); - return TB_OK; -} - -int tb_iswprint(uint32_t ch) { -#ifdef TB_OPT_LIBC_WCHAR - return iswprint((wint_t)ch); -#else - return tb_iswprint_ex(ch, NULL); -#endif -} - -int tb_wcwidth(uint32_t ch) { -#ifdef TB_OPT_LIBC_WCHAR - return wcwidth((wchar_t)ch); -#else - return tb_wcswidth(&ch, 1); -#endif -} - -static int tb_wcswidth(uint32_t *ch, size_t nch) { -#ifdef TB_OPT_LIBC_WCHAR - return wcswidth((wchar_t *)ch, nch); -#else - int sw = 0; - size_t i = 0; - for (i = 0; i < nch; i++) { - int w; - tb_iswprint_ex(ch[i], &w); - if (w < 0) return -1; - sw += w; - } - return sw; -#endif -} - -static int tb_iswprint_ex(uint32_t ch, int *w) { -#ifdef TB_OPT_LIBC_WCHAR - if (w) *w = wcwidth((wint_t)ch); - return iswprint(ch); -#else - int lo = 0, hi = WCWIDTH_TABLE_LENGTH - 1; - if (ch >= 0x20 && ch <= 0x7e) { // fast path for ASCII - if (w) *w = 1; - return 1; - } else if (ch == 0) { // Special case for null, which is not represented in - if (w) *w = 0; // wcwidth_table since it's the only codepoint that is - return 0; // iswprint==0 but not wcwidth==-1. (It's wcwidth==0.) - } - while (lo <= hi) { - int i = (lo + hi) / 2; - if (ch < wcwidth_table[i].range_start) { - hi = i - 1; - } else if (ch > wcwidth_table[i].range_end) { - lo = i + 1; - } else { - if (w) *w = wcwidth_table[i].width; - return wcwidth_table[i].width >= 0 ? 1 : 0; - } - } - if (w) *w = -1; // invalid codepoint - return 0; -#endif -} - -#endif // TB_IMPL diff --git a/src/tui/TerminalBuffer.zig b/src/tui/TerminalBuffer.zig index ca072f6..ee72f4f 100644 --- a/src/tui/TerminalBuffer.zig +++ b/src/tui/TerminalBuffer.zig @@ -2,6 +2,7 @@ const std = @import("std"); const builtin = @import("builtin"); const interop = @import("../interop.zig"); const Cell = @import("Cell.zig"); +const termbox_extras = @import("termbox_extras.zig"); const Random = std.Random; @@ -113,8 +114,8 @@ pub fn cascade(self: TerminalBuffer) bool { var cell: termbox.tb_cell = undefined; var cell_under: termbox.tb_cell = undefined; - _ = termbox.tb_get_cell(@intCast(x), @intCast(y - 1), 1, &cell); - _ = termbox.tb_get_cell(@intCast(x), @intCast(y), 1, &cell_under); + _ = termbox_extras.tb_get_cell(@intCast(x), @intCast(y - 1), 1, &cell); + _ = termbox_extras.tb_get_cell(@intCast(x), @intCast(y), 1, &cell_under); const char: u8 = @truncate(cell.ch); if (std.ascii.isWhitespace(char)) continue; diff --git a/src/tui/termbox_extras.zig b/src/tui/termbox_extras.zig new file mode 100644 index 0000000..314a1d8 --- /dev/null +++ b/src/tui/termbox_extras.zig @@ -0,0 +1,26 @@ +const std = @import("std"); +const interop = @import("../interop.zig"); +const termbox = interop.termbox; + +pub fn tb_get_cell(x: c_int, y: c_int, back: c_int, cell: *termbox.tb_cell) c_int { + if (back == 0) { + return termbox.TB_ERR; + } + + const width = termbox.tb_width(); + const height = termbox.tb_height(); + + if (x < 0 or x >= width or y < 0 or y >= height) { + return termbox.TB_ERR_OUT_OF_BOUNDS; + } + + const buffer = termbox.tb_cell_buffer(); + if (buffer == null) { + return termbox.TB_ERR_NOT_INIT; + } + + const index = y * width + x; + cell.* = buffer[@intCast(index)]; + + return termbox.TB_OK; +}