diff options
Diffstat (limited to 'draw/tui.c')
| -rw-r--r-- | draw/tui.c | 214 |
1 files changed, 208 insertions, 6 deletions
@@ -1,24 +1,95 @@ #include "tui.h" +#define T_ESC "\x1b" + //prepare terminal ui -int tui_init( tui_t *t ) +int tui_init( tui_t **t ) { int ret = -1; + tui_t *tui=NULL; + //should be empty pointer - if (t != NULL) + if (*t != NULL) + return -1; + + tui = malloc( sizeof(tui_t) ); + if ( tui == NULL ) return -1; + + memset( tui, 0, sizeof( tui_t ) ); + + tui->ifd = STDIN_FILENO; + tui->ofd = STDOUT_FILENO; + + //if you whant raw mode then you should set it man + if ( tcgetattr( tui->ifd, &tui->orig_i ) == -1 ) + goto exit_error; + tui->raw_i = tui->orig_i; + + if ( tcgetattr( tui->ofd, &tui->orig_o ) == -1 ) + goto exit_error; + tui->raw_o = tui->orig_o; + + //set not to echo output + /* input modes: no break, no CR to NL, no parity check, no strip char, + * no start/stop output control. */ + tui->raw_i.c_iflag &= ~(BRKINT | ICRNL | INPCK | ISTRIP | IXON); + /* output modes - disable post raw */ + tui->raw_i.c_oflag &= ~(OPOST); + /* control modes - set 8 bit chars */ + tui->raw_i.c_cflag |= (CS8); + /* local modes - choing off, canonical off, no extended functions, + * no signal chars (^Z,^C) */ + tui->raw_i.c_lflag &= ~(ECHO | ICANON | IEXTEN | ISIG); + /* control chars - set return condition: min number of bytes and timer. + * We want read to return every single byte, without timeout. */ + + /* put terminal in raw mode after flushing */ + if (tcsetattr( tui->ifd, TCSAFLUSH, &tui->raw_i) < 0) + { + //ERROR("Cannot set new terminal input attribures\n"); + goto exit_error; + } + + *t = tui; + ret = 0; + return ret; + +exit_error: + free( tui ); + return -1; } //init waterfall -int tui_waterfall( tui_t *t, tui_waterfall_t *w ) +int tui_waterfall( tui_t **t, tui_waterfall_t **w ) { int ret=-1; + tui_waterfall_t *wtf = NULL; + //waterfall should be NULL - if ( w != NULL ) + if ( *w != NULL ) + return -1; + + + wtf = malloc( sizeof(tui_waterfall_t) ); + if ( wtf == NULL ) + { return -1; + } + + memset( wtf, 0, sizeof(tui_waterfall_t) ); + + *w = wtf; + (*t)->wf = wtf; + ret = 0; + return ret; + +//exit_error: + +// return -1; } @@ -39,27 +110,158 @@ int tui_waterfall_redraw( tui_waterfall_t *w ) //update params of waterfall and then need to draw not redraw -int tui_waterfall_update( tui_waterfall_t *w ) +int tui_waterfall_update( tui_t *t ) { int ret = -1; + int row=-1,col=-1; + char buf[32]; + int i; + + //we trust that all params are ok + + /* go to right marging and get position */ + if ( write( t->ofd, "\x1b[999C", 6 ) != 6 ) + goto exit_error; + + if ( write( t->ofd, "\x1b[6n", 4 ) != 4 ) + goto exit_error; + + i = 0; + //printf("here=%d\n", sizeof(buf)); + while (i < sizeof(buf)-1) + { + if ( read( t->ifd, buf+i,1 ) != 1 ) break; + if (buf[i] == 'R') break; + i++; + } + buf[i] = '\0'; + //printf("i=%d,buf=[%s]\n",i,buf); + + if ( buf[0] != '\x1b' || buf[1] != '[' ) + { + goto exit_error; + } + + //printf("i=%d,buf=[%s]\n",i,buf); + + if ( sscanf( buf+2, "%d;%d", &row, &col) != 2 ) + goto exit_error; + + //write( t->ofd, "\x1b[1C", 4 ); + write( t->ofd, T_ESC "[H" T_ESC "[2J", 7 ); + write( t->ofd, T_ESC "[0;0H", 6); + + t->wf->w = col; + + ret = 0; + return ret; + +exit_error: + + return -1; } //push one line of data to buffer -int tui_waterfall_data( tui_waterfall_t *w, size_t *len, size_t *buf ) +int tui_waterfall_data( tui_t *t, int len, uint8_t *buf ) { int ret = -1; + int i; + + + + i = 0; + while ( (i< t->wf->w) && ( i<len) ) + { + //printf("-%d", buf[i]); + uint8_t c = tui_waterfall_color( buf[i] ); + char buf[32]; + snprintf( buf, 32, T_ESC "[48;5;%dm " T_ESC "[0m",c); + write( t->ofd, buf, strlen(buf) ); + i++; + } + return ret; } +uint8_t tui_waterfall_color( uint8_t d ) +{ + + uint8_t color=15; + + /* + if ( d < 50 ) + { + color = 17; + } else if ( d < 100 ) + { + color = 18; + } else if ( d < 150 ) + { + color = 19; + } else if ( d < 200 ) + { + color = 20; + } else + { + color = 21; + } + */ + + + if ( d == 0 ) + { + color = 17; + } else if ( d == 1 ) + { + color = 18; + } else if ( d == 2 ) + { + color = 19; + } else if ( d == 3 ) + { + color = 20; + } else if ( d == 4 ) + { + color = 21; + } else if ( d == 5 ) + { + color = 26; + } else if ( d == 6 ) + { + color = 27; + } else if ( d == 7 ) + { + color = 44; + } else + { + color = 230; + } + + /* + uint8_t col[] = { 16,17,18,19,20,21,26,27,44,45,86,87,230,229,228,227,226,214,202,196,160,124,88,52 }; + int len = 24; + int step = 256/len; + + color = col[d/step]; + */ + + return color; +} + //close terminal ui int tui_close( tui_t *t ) { int ret = -1; + //shouldnt be empty pointer if ( t == NULL ) return -1; + + //restore terminal mode after closing + tcsetattr( t->ifd, TCSAFLUSH, &t->orig_i ); + return ret; } |