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