1 // Written in the D programming language. 2 module BearLibTerminal; 3 4 private import std.string: toStringz; 5 private import std.array: join; 6 7 private alias color_t = uint; 8 private alias colour_t = uint; 9 10 11 private string format(T...)(string s, T args) { 12 import std.array: appender; 13 import std.format: formattedWrite; 14 auto w = appender!string(); 15 formattedWrite(w, s, args); 16 return w.data; 17 } 18 19 private extern (C) { 20 public struct dimensions_t { int width, height; } 21 int terminal_open(); 22 void terminal_close(); 23 int terminal_set8(const char*); 24 char *terminal_get8(const char*, const char*); 25 void terminal_color(color_t); 26 void terminal_bkcolor(color_t); 27 void terminal_composition(int); 28 void terminal_layer(int); 29 void terminal_clear(); 30 void terminal_clear_area(int, int, int, int); 31 void terminal_crop(int, int, int, int); 32 void terminal_refresh(); 33 void terminal_put(int, int, int); 34 int terminal_pick(int, int, int); 35 color_t terminal_pick_color(int, int, int); 36 color_t terminal_pick_bkcolor(int, int); 37 void terminal_put_ext(int, int, int, int, int, color_t*); 38 void terminal_print_ext8(int, int, int, int, int, const char*, int*, int*); 39 void terminal_measure_ext8(int, int, const char*, int*, int*); 40 int terminal_state(int); 41 int terminal_check(int); 42 int terminal_has_input(); 43 int terminal_read(); 44 int terminal_peek(); 45 color_t terminal_read_str8(int, int, char*, int); 46 void terminal_delay(int); 47 color_t color_from_name8(const char*); 48 color_t color_from_argb(byte, byte, byte, byte); 49 } 50 51 // namespace called "terminal" 52 pragma(inline, true) { struct terminal { static { 53 54 55 // Has to be inline, for now 56 enum keycode { 57 a = 0x04, 58 b = 0x05, 59 c = 0x06, 60 d = 0x07, 61 e = 0x08, 62 f = 0x09, 63 g = 0x0a, 64 h = 0x0b, 65 i = 0x0c, 66 j = 0x0d, 67 k = 0x0e, 68 l = 0x0f, 69 m = 0x10, 70 n = 0x11, 71 o = 0x12, 72 p = 0x13, 73 q = 0x14, 74 r = 0x15, 75 s = 0x16, 76 t = 0x17, 77 u = 0x18, 78 v = 0x19, 79 w = 0x1a, 80 x = 0x1b, 81 y = 0x1c, 82 z = 0x1d, 83 K_1 = 0x1E, 84 K_2 = 0x1F, 85 K_3 = 0x20, 86 K_4 = 0x21, 87 K_5 = 0x22, 88 K_6 = 0x23, 89 K_7 = 0x24, 90 K_8 = 0x25, 91 K_9 = 0x26, 92 K_0 = 0x27, 93 enter = 0x28, 94 escape = 0x29, 95 backspace = 0x2a, 96 tab = 0x2b, 97 space = 0x2c, 98 minus = 0x2d /* - */, 99 equals = 0x2e /* = */, 100 lbracket = 0x2f /* [ */, 101 rbracket = 0x30 /* ] */, 102 backslash = 0x31 /* \ */, 103 semicolon = 0x33 /* , */, 104 apostrophe = 0x34 /* ' */, 105 grave = 0x35 /* ` */, 106 comma = 0x36 /* , */, 107 period = 0x37 /* . */, 108 slash = 0x38 /* / */, 109 F1 = 0x3A, 110 F2 = 0x3B, 111 F3 = 0x3C, 112 F4 = 0x3D, 113 F5 = 0x3E, 114 F6 = 0x3F, 115 F7 = 0x40, 116 F8 = 0x41, 117 F9 = 0x42, 118 F10 = 0x43, 119 F11 = 0x44, 120 F12 = 0x45, 121 pause = 0x48 /* Pause/Break */, 122 insert = 0x49, 123 home = 0x4a, 124 pageup = 0x4b, 125 K_delete = 0x4c, 126 end = 0x4d, 127 pagedown = 0x4e, 128 right = 0x4F /* Right arrow */, 129 left = 0x50 /* Left arrow */, 130 down = 0x51 /* Down arrow */, 131 up = 0x52 /* Up arrow */, 132 KP_divide = 0x54 /* '/' on numpad */, 133 KP_multiply = 0x55 /* '*' on numpad */, 134 KP_minus = 0x56 /* '-' on numpad */, 135 KP_plus = 0x57 /* '+' on numpad */, 136 KP_enter = 0x58, 137 KP_1 = 0x59, 138 KP_2 = 0x5A, 139 KP_3 = 0x5B, 140 KP_4 = 0x5C, 141 KP_5 = 0x5D, 142 KP_6 = 0x5E, 143 KP_7 = 0x5F, 144 KP_8 = 0x60, 145 KP_9 = 0x61, 146 KP_0 = 0x62, 147 kp_period = 0x63 /* '.' on numpad */, 148 shift = 0x70, 149 control = 0x71, 150 alt = 0x72, 151 152 /* 153 * Mouse events/states 154 */ 155 mouse_left = 0x80 /* Buttons */, 156 mouse_right = 0x81, 157 mouse_middle = 0x82, 158 mouse_x1 = 0x83, 159 mouse_x2 = 0x84, 160 mouse_move = 0x85 /* Movement event */, 161 mouse_scroll = 0x86 /* Mouse scroll event */, 162 mouse_x = 0x87 /* Cusor position in cells */, 163 mouse_y = 0x88, 164 mouse_pixel_x = 0x89 /* Cursor position in pixels */, 165 mouse_pixel_y = 0x8A, 166 mouse_wheel = 0x8B /* Scroll direction and amount */, 167 mouse_clicks = 0x8C /* Number of consecutive clicks */, 168 169 /* 170 * If key was released instead of pressed, it's code will be OR'ed with key_released: 171 * a) pressed 'A': 0x04 172 * b) released 'A': 0x04|terminal.keycodes.key_released = 0x104 173 */ 174 key_released = 0x100, 175 176 /* 177 * Virtual key-codes for internal terminal states/variables. 178 * These can be accessed via terminal_state function. 179 */ 180 width = 0xC0 /* Terminal window size in cells */, 181 height = 0xC1, 182 cell_width = 0xC2 /* Character cell size in pixels */, 183 cell_height = 0xC3, 184 color = 0xC4 /* Current foregroung color */, 185 bkcolor = 0xC5 /* Current background color */, 186 layer = 0xC6 /* Current layer */, 187 composition = 0xC7 /* Current composition state */, 188 character = 0xC8 /* Translated ANSI code of last produced character */, 189 wcharacter = 0xC9 /* Unicode codepoint of last produced character */, 190 event = 0xCA /* Last dequeued event */, 191 fullscreen = 0xCB /* Fullscreen state */, 192 193 /* 194 * Other events 195 */ 196 close = 0xe0, 197 resized = 0xe1, 198 199 /* 200 * Generic mode enum. 201 * Right now it is used for composition option only. 202 */ 203 off = 0, 204 on = 1, 205 206 // Input result codes for the terminal_read function. 207 input_none = 0, 208 input_cancelled = -1, 209 210 // Text printing alignment 211 align_default = 0, 212 align_left = 1, 213 align_right = 2, 214 align_center = 3, 215 align_centre = 3, 216 align_top = 4, 217 align_bottom = 8, 218 align_middle = 12 219 } 220 221 int open(string title="BearLibTerminal") { int c = terminal_open(); setf("window.title=%s", title); return c; }; 222 void close() { terminal_close(); }; 223 int set(string[] s...) { return terminal_set8(toStringz(join(s))); }; 224 string get(string key, string defaultval) { import std.conv: to; return to!string(terminal_get8(toStringz(key), toStringz(defaultval))); } 225 int setf(T...)(string s, T args) { return terminal_set8(toStringz(format(s, args))); } 226 void color(color_t clr) { terminal_color(clr); }; 227 void bkcolor(color_t clr) { terminal_bkcolor(clr); }; 228 void composition(int mode) { terminal_composition(mode); }; 229 void layer(int lyr) { terminal_layer(lyr); }; 230 void clear() { terminal_clear(); }; 231 void clear_area(int x, int y, int w, int h) { terminal_clear_area(x, y, w, h); }; 232 void crop(int x, int y, int w, int h) { terminal_crop(x, y, w, h); }; 233 void refresh() { terminal_refresh(); }; 234 void put(int x, int y, int code) { terminal_put(x, y, code); }; 235 int pick(int x, int y, int index) { return terminal_pick(x, y, index); }; 236 color_t pick_color(int x, int y, int index) { return terminal_pick_color(x, y, index); }; 237 color_t pick_bkcolor(int x, int y) { return terminal_pick_bkcolor(x, y); }; 238 void put_ext(int x, int y, int dx, int dy, int code) { terminal_put_ext(x, y, dx, dy, code, null); }; 239 void put_ext(int x, int y, int dx, int dy, int code, color_t[4] corners) { terminal_put_ext(x, y, dx, dy, code, corners.ptr); }; 240 241 dimensions_t print_ext(int x, int y, int w, int h, int alignment, string[] s...) { 242 dimensions_t tmp; 243 terminal_print_ext8(x, y, w, h, alignment, toStringz(join(s)), &tmp.width, &tmp.height); 244 return tmp; 245 } 246 dimensions_t printf_ext(T...)(int x, int y, int w, int h, int alignment, string s, T args) { return print_ext(x, y, w, h, alignment, format(s, args)); } 247 dimensions_t print(int x, int y, string[] s...) { 248 return print_ext(x, y, 0, 0, 0, join(s)); 249 }; 250 dimensions_t printf(T...)(int x, int y, string s, T args) { return print(x, y, format(s, args)); }; 251 252 dimensions_t measure_ext(int w, int h, string[] s...) { 253 dimensions_t tmp; 254 terminal_measure_ext8(w, h, toStringz(join(s)), &tmp.width, &tmp.height); 255 return tmp; 256 } 257 dimensions_t measuref_ext(T...)(int w, in h, string s, T args) { return measure_ext(w, h, format(s, args)); } 258 dimensions_t measure(string[] s...) { return measure_ext(0, 0, s); }; 259 dimensions_t measuref(T...)(string s, T args) { return measure(format(s, args)); }; 260 261 int state(int slot) { return terminal_state(slot); }; 262 bool check(int slot) { return terminal_state(slot) > 0; }; 263 int has_input() { return terminal_has_input(); }; 264 int read() { return terminal_read(); }; 265 int peek() { return terminal_peek(); }; 266 string read_str(int x, int y, int max, string prompt="") { 267 assert (prompt.length <= max); 268 import std.conv: to; 269 import core.stdc.stdlib: malloc, free; 270 271 print(x, y, prompt); 272 273 char[] buf = new char[](max); 274 buf[] = 0; 275 276 string tmp; 277 278 terminal_read_str8(x+cast(int)prompt.length, y, buf.ptr, max); 279 tmp = to!string(buf); 280 delete buf; 281 return tmp; 282 }; 283 void delay(int period) { terminal_delay(period); }; 284 color_t color_from_name(string name) { return color_from_name8(toStringz(name)); }; 285 pure color_t color_from_argb(ubyte a, ubyte r, ubyte g, ubyte b) { return (a << 24) | (r << 16) | (g << 8) | b; } 286 pure color_t color_from_rgb(ubyte r, ubyte g, ubyte b) { return (r << 16) | (g << 8) | b; } 287 }}}