├── .gitignore ├── LICENSE.txt ├── Makefile ├── README.md ├── demo.c ├── img └── nocurses.gif └── nocurses.h /.gitignore: -------------------------------------------------------------------------------- 1 | .DS_Store 2 | demo 3 | -------------------------------------------------------------------------------- /LICENSE.txt: -------------------------------------------------------------------------------- 1 | GNU GENERAL PUBLIC LICENSE 2 | Version 2, June 1991 3 | 4 | Copyright (C) 1989, 1991 Free Software Foundation, Inc., 5 | 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 6 | Everyone is permitted to copy and distribute verbatim copies 7 | of this license document, but changing it is not allowed. 8 | 9 | Preamble 10 | 11 | The licenses for most software are designed to take away your 12 | freedom to share and change it. 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It is safest 289 | to attach them to the start of each source file to most effectively 290 | convey the exclusion of warranty; and each file should have at least 291 | the "copyright" line and a pointer to where the full notice is found. 292 | 293 | {description} 294 | Copyright (C) {year} {fullname} 295 | 296 | This program is free software; you can redistribute it and/or modify 297 | it under the terms of the GNU General Public License as published by 298 | the Free Software Foundation; either version 2 of the License, or 299 | (at your option) any later version. 300 | 301 | This program is distributed in the hope that it will be useful, 302 | but WITHOUT ANY WARRANTY; without even the implied warranty of 303 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 304 | GNU General Public License for more details. 305 | 306 | You should have received a copy of the GNU General Public License along 307 | with this program; if not, write to the Free Software Foundation, Inc., 308 | 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. 309 | 310 | Also add information on how to contact you by electronic and paper mail. 311 | 312 | If the program is interactive, make it output a short notice like this 313 | when it starts in an interactive mode: 314 | 315 | Gnomovision version 69, Copyright (C) year name of author 316 | Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'. 317 | This is free software, and you are welcome to redistribute it 318 | under certain conditions; type `show c' for details. 319 | 320 | The hypothetical commands `show w' and `show c' should show the appropriate 321 | parts of the General Public License. Of course, the commands you use may 322 | be called something other than `show w' and `show c'; they could even be 323 | mouse-clicks or menu items--whatever suits your program. 324 | 325 | You should also get your employer (if you work as a programmer) or your 326 | school, if any, to sign a "copyright disclaimer" for the program, if 327 | necessary. Here is a sample; alter the names: 328 | 329 | Yoyodyne, Inc., hereby disclaims all copyright interest in the program 330 | `Gnomovision' (which makes passes at compilers) written by James Hacker. 331 | 332 | {signature of Ty Coon}, 1 April 1989 333 | Ty Coon, President of Vice 334 | 335 | This General Public License does not permit incorporating your program into 336 | proprietary programs. If your program is a subroutine library, you may 337 | consider it more useful to permit linking proprietary applications with the 338 | library. If this is what you want to do, use the GNU Lesser General 339 | Public License instead of this License. 340 | 341 | -------------------------------------------------------------------------------- /Makefile: -------------------------------------------------------------------------------- 1 | CC::=cc 2 | PREFIX::=/usr/local 3 | 4 | all: 5 | 6 | install: nocurses.h 7 | install -CD nocurses.h ${PREFIX}/include/nocurses.h 8 | 9 | uninstall: 10 | rm ${PREFIX}/include/nocurses.h 11 | 12 | demo: demo.c nocurses.h 13 | ${CC} -pthread -lm -o demo demo.c 14 | 15 | clean: 16 | rm demo 17 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # nocurses.h 2 | 3 | This library provides terminal manipulation capability by the use of VT100 ESC sequences. 4 | 5 | It is aimed to simple applications where ncurses is simple "too much". 6 | 7 | Inspired by the old Borland conio.h for DOS. 8 | 9 | Here's a demo (demo.c file avaiable in the same repo): 10 | 11 | ![nocurses.h](img/nocurses.gif) 12 | 13 | ## Functions Provided 14 | | Function | Description | Example | 15 | |--------------------------|:--------------------------------------------------------------------------------------:|:------------------------:| 16 | | wait() | Waits for the user to hit [ENTER]. | wait(); | 17 | | clrscr() | Clears the screen. | clrscr(); | 18 | | gotoxy(x, y) | Sets the cursor do the position x, y. Where x is the row number and y the line number. | gotoxy(10,25); | 19 | | setfontcolor(color_name) | Sets the text color to one of the colors described on the color table below. | setfontcolor(RED); | 20 | | setbgrcolor(color_name) | Sets the background color to one of the colors described on the color table below. | setbgrcolor(BLUE); | 21 | | setfontbold(status) | Sets the bold attribute on or off. status can be TRUE or FALSE. | setfontbold(TRUE); | 22 | | setunderline(status) | Sets the underline attribute on or off. status can be TRUE or FALSE. | setunderline(FALSE); | 23 | | setblink(status) | Sets the blink attribute on or off. status can be TRUE or FALSE. | setblink(TRUE); | 24 | | settitle(title) | Sets the title of the terminal. | settitle("Hello World"); | 25 | | setcurshape(shape_name) | Sets the shape of the cursor in the terminal in the shape table below. | setcurshape(BAR); | 26 | | gettermsize() | Gets the columns and rows of the terminal. | gettermsize(); | 27 | | getch() | Gets a character without waiting for enter. | getch(); | 28 | | getche() | Gets a character and echoes it without waiting for enter. | getche(); | 29 | | clrline() | Clears the row contents. | clrline(); | 30 | | resetcolors() | Reset terminal to default colors. | clrline(); | 31 | 32 | 33 | ## color_name 34 | 35 | Valid color names are: 36 | 37 | | color_name | 38 | |:----------:| 39 | | BLACK | 40 | | RED | 41 | | GREEN | 42 | | YELLOW | 43 | | BLUE | 44 | | MAGENTA | 45 | | CYAN | 46 | | WHITE | 47 | 48 | ## shape_name 49 | 50 | Valid shape names are: 51 | 52 | | shape_name | 53 | |:---------------:| 54 | | BLOCK_BLINK | 55 | | BLOCK | 56 | | UNDERLINE_BLINK | 57 | | UNDERLINE | 58 | | BAR_BLINK | 59 | | BAR | 60 | 61 | -------------------------------------------------------------------------------- /demo.c: -------------------------------------------------------------------------------- 1 | 2 | /* 3 | 4 | nocurses.h - nocurses library demo 5 | 6 | Compile and run with: $ make demo && ./demo 7 | 8 | */ 9 | 10 | 11 | #include 12 | #include "nocurses.h" 13 | 14 | int i; 15 | 16 | int waiting(){ 17 | printf("\n\nHit ENTER to continue..."); 18 | wait(); 19 | clrscr(); 20 | return 0; 21 | } 22 | 23 | 24 | int fancyline(void){ 25 | int j; 26 | 27 | j = 0; 28 | for(i=0;i<51;i++){ 29 | setfontcolor(j); 30 | j++; 31 | if (j == 8) j = 0; 32 | printf("."); 33 | } 34 | setfontcolor(BLACK); 35 | return 0; 36 | } 37 | 38 | 39 | int main(void) { 40 | 41 | clrscr(); 42 | setfontbold(TRUE); 43 | 44 | fancyline(); 45 | 46 | printf("\n\ 47 | _\n\ 48 | _ __ ___ ___ _ _ _ __ ___ ___ ___ | |__\n\ 49 | | '_ \\ / _ \\ / __| | | | '__/ __|/ _ \\/ __| | '_ \\\n\ 50 | | | | | (_) | (__| |_| | | \\__ \\ __/\\__ \\_| | | |\n\ 51 | |_| |_|\\___/ \\___|\\__,_|_| |___/\\___||___(_)_| |_|\n"); 52 | 53 | fancyline(); 54 | setfontbold(FALSE); 55 | 56 | setfontcolor(WHITE); 57 | 58 | printf("\n\n\nHello! Welcome to nocurses.h demo!\nLet me present you its features... \n"); 59 | waiting(); 60 | 61 | printf("The nocurses.h provides these set of functions:\n\n\ 62 | wait()\n\ 63 | clrscr()\n\ 64 | setfontcolor(COLOR_NAME)\n\ 65 | setbgrcolor(COLOR_NAME)\n\ 66 | gotoxy(XPOS,YPOS)\n\ 67 | setfontbold(STATE)\n\ 68 | setunderline(STATE)\n\ 69 | setblink(STATE)\n\ 70 | settitle(TITLE)\n\ 71 | setcurshape(SHAPE_NAME)\n\ 72 | gettermsize()\n\ 73 | getch()\n\ 74 | getche()\n\ 75 | clrline()\n\ 76 | resetcolors()\n"); 77 | waiting(); 78 | 79 | printf("I am using the wait() function to wait for your\ncommand."); 80 | waiting(); 81 | 82 | printf("See it? The screen was cleared with the clrscr() function."); 83 | waiting(); 84 | 85 | gotoxy(5, 6); 86 | printf("Now I am here!"); 87 | gotoxy(10, 8); 88 | printf("And now I am there!"); 89 | 90 | printf("\n\nJust use gotoxy(position x, position y) to move around!"); 91 | waiting(); 92 | 93 | for(i=0;i<8;i++){ 94 | setfontcolor(i); 95 | printf("I can change font colors!\n"); 96 | } 97 | printf("\nUse setfontcolor(COLOR_NAME) function!"); 98 | waiting(); 99 | 100 | for(i=0;i<8;i++){ 101 | setbgrcolor(i); 102 | printf("I can also change background colors!\n"); 103 | } 104 | setbgrcolor(BLUE); 105 | setfontcolor(WHITE); 106 | printf("\nYou just have to use setbgrcolor(COLOR_NAME) function!"); 107 | waiting(); 108 | 109 | printf("See it!?\n\nThis is what happens if you clear\n a screen with your new colors!"); 110 | waiting(); 111 | 112 | resetcolors(); 113 | clrscr(); 114 | printf("Now I used resetcolors()"); 115 | waiting(); 116 | 117 | struct termsize size = gettermsize(); 118 | printf("I can detect your terminal size.\n\nThis terminal is %d columns and %d rows, so one line should look like this:\n\n", size.cols, size.rows); 119 | for (int i=0;i setfontbold(TRUE)\n\n"); 141 | waiting(); 142 | 143 | setfontbold(FALSE); 144 | printf("BOLD is set to FALSE --> setfontbold(FALSE)\n\n"); 145 | waiting(); 146 | 147 | setunderline(TRUE); 148 | printf("UNDERLINE is set to TRUE --> setunderline(TRUE)\n\n"); 149 | waiting(); 150 | 151 | setunderline(FALSE); 152 | printf("UNDERLINE is set to FALSE --> setunderline(FALSE)\n\n"); 153 | waiting(); 154 | 155 | setblink(TRUE); 156 | printf("Blinking cursor is set to TRUE --> setblink(TRUE)\n\n"); 157 | waiting(); 158 | 159 | setblink(FALSE); 160 | printf("Blinking cursor is set to FALSE --> setblink(FALSE)\n\n"); 161 | waiting(); 162 | 163 | settitle("nocurses demo"); 164 | printf("Title is set to \"nocurses demo\" --> settitle(\"nocurses demo\")\n\n"); 165 | waiting(); 166 | 167 | setcurshape(BLOCK); 168 | printf("Cursor is set to BLOCK --> setcurshape(BLOCK)\n\n"); 169 | waiting(); 170 | 171 | setcurshape(UNDERLINE); 172 | printf("Cursor is set to UNDERLINE --> setcurshape(UNDERLINE)\n\n"); 173 | waiting(); 174 | 175 | setcurshape(BAR); 176 | printf("Cursor is set to BAR --> setcurshape(BAR)\n\n"); 177 | waiting(); 178 | 179 | printf("\n\nThat's all! Simple nocurses.h\n\nContribute with it on https://github.com/LionyxML/nocurses/\n\n"); 180 | 181 | waiting(); 182 | clrscr(); 183 | 184 | 185 | return 0; 186 | } 187 | 188 | 189 | -------------------------------------------------------------------------------- /img/nocurses.gif: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/LionyxML/nocurses/99ac6aab7952d8cac8d2252390d235179a3c10a4/img/nocurses.gif -------------------------------------------------------------------------------- /nocurses.h: -------------------------------------------------------------------------------- 1 | /* 2 | nocurses.h - Provides a basic 'VT100 ESC sequences' printing without 3 | the need to use ncurses. 4 | This is inspired by Borland conio.h 5 | 6 | Author - Rahul M. Juliato 7 | Original - 25 jun 2005 8 | Revision - oct 2019 9 | */ 10 | 11 | #include 12 | #ifdef _WIN32 13 | # include 14 | #elif defined(unix) || defined(__unix) || defined(__unix__) || defined(__APPLE__) || defined(__linux__) 15 | # ifndef __unix__ 16 | # define __unix__ 17 | # endif 18 | # include 19 | # include 20 | # include 21 | #endif 22 | 23 | #define ESC "\x1b" 24 | 25 | #define BLACK 0 26 | #define RED 1 27 | #define GREEN 2 28 | #define YELLOW 3 29 | #define BLUE 4 30 | #define MAGENTA 5 31 | #define CYAN 6 32 | #define WHITE 7 33 | 34 | #define BLOCK_BLINK 1 35 | #define BLOCK 2 36 | #define UNDERLINE_BLINK 3 37 | #define UNDERLINE 4 38 | #define BAR_BLINK 5 39 | #define BAR 6 40 | 41 | #define TRUE 1 42 | #define FALSE 0 43 | 44 | struct termsize { 45 | int cols; 46 | int rows; 47 | }; 48 | 49 | 50 | static int bg_color = BLACK, 51 | font_color = WHITE, 52 | font_bold = FALSE; 53 | 54 | 55 | static void wait(){ 56 | while (fgetc(stdin) != '\n'); 57 | } 58 | 59 | 60 | static void clrscr(){ 61 | printf(ESC"[2J"ESC"[?6h"); 62 | } 63 | 64 | 65 | static void gotoxy(int x, int y){ 66 | printf(ESC"[%d;%dH", y, x); 67 | } 68 | 69 | 70 | static void setfontcolor(int color){ 71 | printf(ESC"[3%dm", color); 72 | font_color = color; 73 | } 74 | 75 | static void setbgrcolor(int color){ 76 | printf(ESC"[4%dm", color); 77 | bg_color = color; 78 | } 79 | 80 | 81 | static void setfontbold(int status){ 82 | printf(ESC"[%dm", status); 83 | font_bold = status; 84 | setfontcolor(font_color); 85 | setbgrcolor(bg_color); 86 | } 87 | 88 | static void setunderline(int status){ 89 | if (status) status = 4; 90 | printf(ESC"[%dm", status); 91 | setfontcolor(font_color); 92 | setbgrcolor(bg_color); 93 | setfontbold(font_bold); 94 | } 95 | 96 | static void setblink(int status){ 97 | if (status) status = 5; 98 | printf(ESC"[%dm", status); 99 | setfontcolor(font_color); 100 | setbgrcolor(bg_color); 101 | setfontbold(font_bold); 102 | } 103 | 104 | static void settitle(char const* title) { 105 | printf(ESC"]0;%s\x7", title); 106 | } 107 | 108 | static void setcurshape(int shape){ 109 | // vt520/xterm-style; linux terminal uses ESC[?1;2;3c, not implemented 110 | printf(ESC"[%d q", shape); 111 | } 112 | 113 | static struct termsize gettermsize(){ 114 | struct termsize size; 115 | #ifdef _WIN32 116 | CONSOLE_SCREEN_BUFFER_INFO csbi; 117 | 118 | GetConsoleScreenBufferInfo(GetStdHandle(STD_OUTPUT_HANDLE), &csbi); 119 | size.cols = csbi.srWindow.Right - csbi.srWindow.Left + 1; 120 | size.rows = csbi.srWindow.Bottom - csbi.srWindow.Top + 1; 121 | #elif defined(__unix__) 122 | struct winsize win; 123 | ioctl(STDOUT_FILENO, TIOCGWINSZ, &win); 124 | size.cols = win.ws_col; 125 | size.rows = win.ws_row; 126 | #else 127 | size.cols = 0; 128 | size.rows = 0; 129 | #endif 130 | return size; 131 | } 132 | 133 | static int getch(){ 134 | #ifdef _WIN32 135 | HANDLE input = GetStdHandle(STD_INPUT_HANDLE); 136 | if (h == NULL) return EOF; 137 | 138 | DWORD oldmode; 139 | GetConsoleMode(input, &oldmode); 140 | DWORD newmode = oldmode & ~(ENABLE_LINE_INPUT | ENABLE_ECHO_INPUT); 141 | SetConsoleMode(input, newmode); 142 | #elif defined(__unix__) 143 | struct termios oldattr, newattr; 144 | tcgetattr(STDIN_FILENO, &oldattr); 145 | 146 | newattr = oldattr; 147 | newattr.c_lflag &= ~(ICANON | ECHO); 148 | tcsetattr(STDIN_FILENO, TCSANOW, &newattr); 149 | #endif 150 | 151 | int ch = getc(stdin); 152 | 153 | #ifdef _WIN32 154 | SetConsoleMode(input, oldmode); 155 | #elif defined(__unix__) 156 | tcsetattr(STDIN_FILENO, TCSANOW, &oldattr); 157 | #endif 158 | 159 | return ch; 160 | } 161 | 162 | static int getche(){ 163 | #ifdef _WIN32 164 | HANDLE input = GetStdHandle(STD_INPUT_HANDLE); 165 | if (h == NULL) return EOF; 166 | 167 | DWORD oldmode; 168 | GetConsoleMode(input, &oldmode); 169 | DWORD newmode = oldmode & ~ENABLE_LINE_INPUT; 170 | SetConsoleMode(input, newmode); 171 | #elif defined(__unix__) 172 | struct termios oldattr, newattr; 173 | tcgetattr(STDIN_FILENO, &oldattr); 174 | 175 | newattr = oldattr; 176 | newattr.c_lflag &= ~ICANON; 177 | tcsetattr(STDIN_FILENO, TCSANOW, &newattr); 178 | #endif 179 | 180 | int ch = getc(stdin); 181 | 182 | #ifdef _WIN32 183 | SetConsoleMode(input, oldmode); 184 | #elif defined(__unix__) 185 | tcsetattr(STDIN_FILENO, TCSANOW, &oldattr); 186 | #endif 187 | 188 | return ch; 189 | } 190 | 191 | static void clrline(){ 192 | printf(ESC"[2K"ESC"E"); 193 | } 194 | 195 | static void resetcolors(){ 196 | printf(ESC"001b"ESC"[0m"); 197 | } 198 | 199 | --------------------------------------------------------------------------------