1*7c478bd9Sstevel@tonic-gate /* 2*7c478bd9Sstevel@tonic-gate * CDDL HEADER START 3*7c478bd9Sstevel@tonic-gate * 4*7c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*7c478bd9Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*7c478bd9Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*7c478bd9Sstevel@tonic-gate * with the License. 8*7c478bd9Sstevel@tonic-gate * 9*7c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*7c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*7c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions 12*7c478bd9Sstevel@tonic-gate * and limitations under the License. 13*7c478bd9Sstevel@tonic-gate * 14*7c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*7c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*7c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*7c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*7c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*7c478bd9Sstevel@tonic-gate * 20*7c478bd9Sstevel@tonic-gate * CDDL HEADER END 21*7c478bd9Sstevel@tonic-gate */ 22*7c478bd9Sstevel@tonic-gate /* Copyright (c) 1988 AT&T */ 23*7c478bd9Sstevel@tonic-gate /* All Rights Reserved */ 24*7c478bd9Sstevel@tonic-gate 25*7c478bd9Sstevel@tonic-gate 26*7c478bd9Sstevel@tonic-gate /* 27*7c478bd9Sstevel@tonic-gate * Copyright (c) 1999 by Sun Microsystems, Inc. 28*7c478bd9Sstevel@tonic-gate * All rights reserved. 29*7c478bd9Sstevel@tonic-gate */ 30*7c478bd9Sstevel@tonic-gate 31*7c478bd9Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 32*7c478bd9Sstevel@tonic-gate 33*7c478bd9Sstevel@tonic-gate /* 34*7c478bd9Sstevel@tonic-gate * cscope - interactive C symbol or text cross-reference 35*7c478bd9Sstevel@tonic-gate * 36*7c478bd9Sstevel@tonic-gate * command functions 37*7c478bd9Sstevel@tonic-gate */ 38*7c478bd9Sstevel@tonic-gate 39*7c478bd9Sstevel@tonic-gate #include <curses.h> /* KEY_.* */ 40*7c478bd9Sstevel@tonic-gate #include <fcntl.h> /* O_RDONLY */ 41*7c478bd9Sstevel@tonic-gate #include <unistd.h> 42*7c478bd9Sstevel@tonic-gate #include <stdio.h> 43*7c478bd9Sstevel@tonic-gate #include "global.h" 44*7c478bd9Sstevel@tonic-gate #include "library.h" 45*7c478bd9Sstevel@tonic-gate 46*7c478bd9Sstevel@tonic-gate BOOL caseless; /* ignore letter case when searching */ 47*7c478bd9Sstevel@tonic-gate BOOL *change; /* change this line */ 48*7c478bd9Sstevel@tonic-gate BOOL changing; /* changing text */ 49*7c478bd9Sstevel@tonic-gate char newpat[PATLEN + 1]; /* new pattern */ 50*7c478bd9Sstevel@tonic-gate char pattern[PATLEN + 1]; /* symbol or text pattern */ 51*7c478bd9Sstevel@tonic-gate 52*7c478bd9Sstevel@tonic-gate static char appendprompt[] = "Append to file: "; 53*7c478bd9Sstevel@tonic-gate static char pipeprompt[] = "Pipe to shell command: "; 54*7c478bd9Sstevel@tonic-gate static char readprompt[] = "Read from file: "; 55*7c478bd9Sstevel@tonic-gate static char selectionprompt[] = "Selection: "; 56*7c478bd9Sstevel@tonic-gate static char toprompt[] = "To: "; 57*7c478bd9Sstevel@tonic-gate 58*7c478bd9Sstevel@tonic-gate static void scrollbar(MOUSEEVENT *p); 59*7c478bd9Sstevel@tonic-gate 60*7c478bd9Sstevel@tonic-gate /* execute the command */ 61*7c478bd9Sstevel@tonic-gate 62*7c478bd9Sstevel@tonic-gate BOOL 63*7c478bd9Sstevel@tonic-gate command(int commandc) 64*7c478bd9Sstevel@tonic-gate { 65*7c478bd9Sstevel@tonic-gate char filename[PATHLEN + 1]; /* file path name */ 66*7c478bd9Sstevel@tonic-gate MOUSEEVENT *p; /* mouse data */ 67*7c478bd9Sstevel@tonic-gate int c, i; 68*7c478bd9Sstevel@tonic-gate FILE *file; 69*7c478bd9Sstevel@tonic-gate HISTORY *curritem, *item; /* command history */ 70*7c478bd9Sstevel@tonic-gate char *s; 71*7c478bd9Sstevel@tonic-gate 72*7c478bd9Sstevel@tonic-gate switch (commandc) { 73*7c478bd9Sstevel@tonic-gate 74*7c478bd9Sstevel@tonic-gate case ctrl('C'): /* toggle caseless mode */ 75*7c478bd9Sstevel@tonic-gate if (caseless == NO) { 76*7c478bd9Sstevel@tonic-gate caseless = YES; 77*7c478bd9Sstevel@tonic-gate putmsg2("Caseless mode is now ON"); 78*7c478bd9Sstevel@tonic-gate } else { 79*7c478bd9Sstevel@tonic-gate caseless = NO; 80*7c478bd9Sstevel@tonic-gate putmsg2("Caseless mode is now OFF"); 81*7c478bd9Sstevel@tonic-gate } 82*7c478bd9Sstevel@tonic-gate egrepcaseless(caseless); /* turn on/off -i flag */ 83*7c478bd9Sstevel@tonic-gate return (NO); 84*7c478bd9Sstevel@tonic-gate 85*7c478bd9Sstevel@tonic-gate case ctrl('R'): /* rebuild the cross reference */ 86*7c478bd9Sstevel@tonic-gate if (isuptodate == YES) { 87*7c478bd9Sstevel@tonic-gate putmsg("The -d option prevents rebuilding the " 88*7c478bd9Sstevel@tonic-gate "symbol database"); 89*7c478bd9Sstevel@tonic-gate return (NO); 90*7c478bd9Sstevel@tonic-gate } 91*7c478bd9Sstevel@tonic-gate exitcurses(); 92*7c478bd9Sstevel@tonic-gate freefilelist(); /* remake the source file list */ 93*7c478bd9Sstevel@tonic-gate makefilelist(); 94*7c478bd9Sstevel@tonic-gate rebuild(); 95*7c478bd9Sstevel@tonic-gate if (errorsfound == YES) { 96*7c478bd9Sstevel@tonic-gate errorsfound = NO; 97*7c478bd9Sstevel@tonic-gate askforreturn(); 98*7c478bd9Sstevel@tonic-gate } 99*7c478bd9Sstevel@tonic-gate entercurses(); 100*7c478bd9Sstevel@tonic-gate putmsg(""); /* clear any previous message */ 101*7c478bd9Sstevel@tonic-gate totallines = 0; 102*7c478bd9Sstevel@tonic-gate topline = nextline = 1; 103*7c478bd9Sstevel@tonic-gate break; 104*7c478bd9Sstevel@tonic-gate 105*7c478bd9Sstevel@tonic-gate case ctrl('X'): /* mouse selection */ 106*7c478bd9Sstevel@tonic-gate if ((p = getmouseevent()) == NULL) { 107*7c478bd9Sstevel@tonic-gate return (NO); /* unknown control sequence */ 108*7c478bd9Sstevel@tonic-gate } 109*7c478bd9Sstevel@tonic-gate /* if the button number is a scrollbar tag */ 110*7c478bd9Sstevel@tonic-gate if (p->button == '0') { 111*7c478bd9Sstevel@tonic-gate scrollbar(p); 112*7c478bd9Sstevel@tonic-gate break; 113*7c478bd9Sstevel@tonic-gate } 114*7c478bd9Sstevel@tonic-gate /* ignore a sweep */ 115*7c478bd9Sstevel@tonic-gate if (p->x2 >= 0) { 116*7c478bd9Sstevel@tonic-gate return (NO); 117*7c478bd9Sstevel@tonic-gate } 118*7c478bd9Sstevel@tonic-gate /* if this is a line selection */ 119*7c478bd9Sstevel@tonic-gate if (p->y1 < FLDLINE) { 120*7c478bd9Sstevel@tonic-gate 121*7c478bd9Sstevel@tonic-gate /* find the selected line */ 122*7c478bd9Sstevel@tonic-gate /* note: the selection is forced into range */ 123*7c478bd9Sstevel@tonic-gate for (i = disprefs - 1; i > 0; --i) { 124*7c478bd9Sstevel@tonic-gate if (p->y1 >= displine[i]) { 125*7c478bd9Sstevel@tonic-gate break; 126*7c478bd9Sstevel@tonic-gate } 127*7c478bd9Sstevel@tonic-gate } 128*7c478bd9Sstevel@tonic-gate /* display it in the file with the editor */ 129*7c478bd9Sstevel@tonic-gate editref(i); 130*7c478bd9Sstevel@tonic-gate } else { /* this is an input field selection */ 131*7c478bd9Sstevel@tonic-gate field = mouseselection(p, FLDLINE, FIELDS); 132*7c478bd9Sstevel@tonic-gate setfield(); 133*7c478bd9Sstevel@tonic-gate resetcmd(); 134*7c478bd9Sstevel@tonic-gate return (NO); 135*7c478bd9Sstevel@tonic-gate } 136*7c478bd9Sstevel@tonic-gate break; 137*7c478bd9Sstevel@tonic-gate 138*7c478bd9Sstevel@tonic-gate case '\t': /* go to next input field */ 139*7c478bd9Sstevel@tonic-gate case '\n': 140*7c478bd9Sstevel@tonic-gate case '\r': 141*7c478bd9Sstevel@tonic-gate case ctrl('N'): 142*7c478bd9Sstevel@tonic-gate case KEY_DOWN: 143*7c478bd9Sstevel@tonic-gate case KEY_ENTER: 144*7c478bd9Sstevel@tonic-gate case KEY_RIGHT: 145*7c478bd9Sstevel@tonic-gate field = (field + 1) % FIELDS; 146*7c478bd9Sstevel@tonic-gate setfield(); 147*7c478bd9Sstevel@tonic-gate resetcmd(); 148*7c478bd9Sstevel@tonic-gate return (NO); 149*7c478bd9Sstevel@tonic-gate 150*7c478bd9Sstevel@tonic-gate case ctrl('P'): /* go to previous input field */ 151*7c478bd9Sstevel@tonic-gate case KEY_UP: 152*7c478bd9Sstevel@tonic-gate case KEY_LEFT: 153*7c478bd9Sstevel@tonic-gate field = (field + (FIELDS - 1)) % FIELDS; 154*7c478bd9Sstevel@tonic-gate setfield(); 155*7c478bd9Sstevel@tonic-gate resetcmd(); 156*7c478bd9Sstevel@tonic-gate return (NO); 157*7c478bd9Sstevel@tonic-gate case KEY_HOME: /* go to first input field */ 158*7c478bd9Sstevel@tonic-gate field = 0; 159*7c478bd9Sstevel@tonic-gate setfield(); 160*7c478bd9Sstevel@tonic-gate resetcmd(); 161*7c478bd9Sstevel@tonic-gate return (NO); 162*7c478bd9Sstevel@tonic-gate 163*7c478bd9Sstevel@tonic-gate case KEY_LL: /* go to last input field */ 164*7c478bd9Sstevel@tonic-gate field = FIELDS - 1; 165*7c478bd9Sstevel@tonic-gate setfield(); 166*7c478bd9Sstevel@tonic-gate resetcmd(); 167*7c478bd9Sstevel@tonic-gate return (NO); 168*7c478bd9Sstevel@tonic-gate case ' ': /* display next page */ 169*7c478bd9Sstevel@tonic-gate case '+': 170*7c478bd9Sstevel@tonic-gate case ctrl('V'): 171*7c478bd9Sstevel@tonic-gate case KEY_NPAGE: 172*7c478bd9Sstevel@tonic-gate /* don't redisplay if there are no lines */ 173*7c478bd9Sstevel@tonic-gate if (totallines == 0) { 174*7c478bd9Sstevel@tonic-gate return (NO); 175*7c478bd9Sstevel@tonic-gate } 176*7c478bd9Sstevel@tonic-gate /* 177*7c478bd9Sstevel@tonic-gate * note: seekline() is not used to move to the next 178*7c478bd9Sstevel@tonic-gate * page because display() leaves the file pointer at 179*7c478bd9Sstevel@tonic-gate * the next page to optimize paging forward 180*7c478bd9Sstevel@tonic-gate */ 181*7c478bd9Sstevel@tonic-gate break; 182*7c478bd9Sstevel@tonic-gate 183*7c478bd9Sstevel@tonic-gate case '-': /* display previous page */ 184*7c478bd9Sstevel@tonic-gate case KEY_PPAGE: 185*7c478bd9Sstevel@tonic-gate /* don't redisplay if there are no lines */ 186*7c478bd9Sstevel@tonic-gate if (totallines == 0) { 187*7c478bd9Sstevel@tonic-gate return (NO); 188*7c478bd9Sstevel@tonic-gate } 189*7c478bd9Sstevel@tonic-gate i = topline; /* save the current top line */ 190*7c478bd9Sstevel@tonic-gate nextline = topline; /* go back to this page */ 191*7c478bd9Sstevel@tonic-gate 192*7c478bd9Sstevel@tonic-gate /* if on first page but not at beginning, go to beginning */ 193*7c478bd9Sstevel@tonic-gate if (nextline > 1 && nextline <= mdisprefs) { 194*7c478bd9Sstevel@tonic-gate nextline = 1; 195*7c478bd9Sstevel@tonic-gate } else { /* go back the maximum displayable lines */ 196*7c478bd9Sstevel@tonic-gate nextline -= mdisprefs; 197*7c478bd9Sstevel@tonic-gate 198*7c478bd9Sstevel@tonic-gate /* if this was the first page, go to the last page */ 199*7c478bd9Sstevel@tonic-gate if (nextline < 1) { 200*7c478bd9Sstevel@tonic-gate nextline = totallines - mdisprefs + 1; 201*7c478bd9Sstevel@tonic-gate if (nextline < 1) { 202*7c478bd9Sstevel@tonic-gate nextline = 1; 203*7c478bd9Sstevel@tonic-gate } 204*7c478bd9Sstevel@tonic-gate /* old top is past last line */ 205*7c478bd9Sstevel@tonic-gate i = totallines + 1; 206*7c478bd9Sstevel@tonic-gate } 207*7c478bd9Sstevel@tonic-gate } 208*7c478bd9Sstevel@tonic-gate /* 209*7c478bd9Sstevel@tonic-gate * move down til the bottom line is just before the 210*7c478bd9Sstevel@tonic-gate * previous top line 211*7c478bd9Sstevel@tonic-gate */ 212*7c478bd9Sstevel@tonic-gate c = nextline; 213*7c478bd9Sstevel@tonic-gate for (;;) { 214*7c478bd9Sstevel@tonic-gate seekline(nextline); 215*7c478bd9Sstevel@tonic-gate display(); 216*7c478bd9Sstevel@tonic-gate if (i - bottomline <= 0) { 217*7c478bd9Sstevel@tonic-gate break; 218*7c478bd9Sstevel@tonic-gate } 219*7c478bd9Sstevel@tonic-gate nextline = ++c; 220*7c478bd9Sstevel@tonic-gate } 221*7c478bd9Sstevel@tonic-gate return (NO); /* display already up to date */ 222*7c478bd9Sstevel@tonic-gate 223*7c478bd9Sstevel@tonic-gate case '>': /* write or append the lines to a file */ 224*7c478bd9Sstevel@tonic-gate if (totallines == 0) { 225*7c478bd9Sstevel@tonic-gate putmsg("There are no lines to write to a file"); 226*7c478bd9Sstevel@tonic-gate } else { /* get the file name */ 227*7c478bd9Sstevel@tonic-gate (void) move(PRLINE, 0); 228*7c478bd9Sstevel@tonic-gate (void) addstr("Write to file: "); 229*7c478bd9Sstevel@tonic-gate s = "w"; 230*7c478bd9Sstevel@tonic-gate if ((c = mygetch()) == '>') { 231*7c478bd9Sstevel@tonic-gate (void) move(PRLINE, 0); 232*7c478bd9Sstevel@tonic-gate (void) addstr(appendprompt); 233*7c478bd9Sstevel@tonic-gate c = '\0'; 234*7c478bd9Sstevel@tonic-gate s = "a"; 235*7c478bd9Sstevel@tonic-gate } 236*7c478bd9Sstevel@tonic-gate if (c != '\r' && c != '\n' && c != KEY_ENTER && 237*7c478bd9Sstevel@tonic-gate c != KEY_BREAK && 238*7c478bd9Sstevel@tonic-gate getline(newpat, COLS - sizeof (appendprompt), c, 239*7c478bd9Sstevel@tonic-gate NO) > 0) { 240*7c478bd9Sstevel@tonic-gate shellpath(filename, sizeof (filename), newpat); 241*7c478bd9Sstevel@tonic-gate if ((file = fopen(filename, s)) == NULL) { 242*7c478bd9Sstevel@tonic-gate cannotopen(filename); 243*7c478bd9Sstevel@tonic-gate } else { 244*7c478bd9Sstevel@tonic-gate seekline(1); 245*7c478bd9Sstevel@tonic-gate while ((c = getc(refsfound)) != EOF) { 246*7c478bd9Sstevel@tonic-gate (void) putc(c, file); 247*7c478bd9Sstevel@tonic-gate } 248*7c478bd9Sstevel@tonic-gate seekline(topline); 249*7c478bd9Sstevel@tonic-gate (void) fclose(file); 250*7c478bd9Sstevel@tonic-gate } 251*7c478bd9Sstevel@tonic-gate } 252*7c478bd9Sstevel@tonic-gate clearprompt(); 253*7c478bd9Sstevel@tonic-gate } 254*7c478bd9Sstevel@tonic-gate return (NO); /* return to the previous field */ 255*7c478bd9Sstevel@tonic-gate 256*7c478bd9Sstevel@tonic-gate case '<': /* read lines from a file */ 257*7c478bd9Sstevel@tonic-gate (void) move(PRLINE, 0); 258*7c478bd9Sstevel@tonic-gate (void) addstr(readprompt); 259*7c478bd9Sstevel@tonic-gate if (getline(newpat, COLS - sizeof (readprompt), '\0', 260*7c478bd9Sstevel@tonic-gate NO) > 0) { 261*7c478bd9Sstevel@tonic-gate clearprompt(); 262*7c478bd9Sstevel@tonic-gate shellpath(filename, sizeof (filename), newpat); 263*7c478bd9Sstevel@tonic-gate if (readrefs(filename) == NO) { 264*7c478bd9Sstevel@tonic-gate putmsg2("Ignoring an empty file"); 265*7c478bd9Sstevel@tonic-gate return (NO); 266*7c478bd9Sstevel@tonic-gate } 267*7c478bd9Sstevel@tonic-gate return (YES); 268*7c478bd9Sstevel@tonic-gate } 269*7c478bd9Sstevel@tonic-gate clearprompt(); 270*7c478bd9Sstevel@tonic-gate return (NO); 271*7c478bd9Sstevel@tonic-gate 272*7c478bd9Sstevel@tonic-gate case '^': /* pipe the lines through a shell command */ 273*7c478bd9Sstevel@tonic-gate case '|': /* pipe the lines to a shell command */ 274*7c478bd9Sstevel@tonic-gate if (totallines == 0) { 275*7c478bd9Sstevel@tonic-gate putmsg("There are no lines to pipe to a shell command"); 276*7c478bd9Sstevel@tonic-gate return (NO); 277*7c478bd9Sstevel@tonic-gate } 278*7c478bd9Sstevel@tonic-gate /* get the shell command */ 279*7c478bd9Sstevel@tonic-gate (void) move(PRLINE, 0); 280*7c478bd9Sstevel@tonic-gate (void) addstr(pipeprompt); 281*7c478bd9Sstevel@tonic-gate if (getline(newpat, 282*7c478bd9Sstevel@tonic-gate COLS - sizeof (pipeprompt), '\0', NO) == 0) { 283*7c478bd9Sstevel@tonic-gate clearprompt(); 284*7c478bd9Sstevel@tonic-gate return (NO); 285*7c478bd9Sstevel@tonic-gate } 286*7c478bd9Sstevel@tonic-gate /* if the ^ command, redirect output to a temp file */ 287*7c478bd9Sstevel@tonic-gate if (commandc == '^') { 288*7c478bd9Sstevel@tonic-gate (void) strcat(strcat(newpat, " >"), temp2); 289*7c478bd9Sstevel@tonic-gate } 290*7c478bd9Sstevel@tonic-gate exitcurses(); 291*7c478bd9Sstevel@tonic-gate if ((file = mypopen(newpat, "w")) == NULL) { 292*7c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 293*7c478bd9Sstevel@tonic-gate "cscope: cannot open pipe to shell command: %s\n", 294*7c478bd9Sstevel@tonic-gate newpat); 295*7c478bd9Sstevel@tonic-gate } else { 296*7c478bd9Sstevel@tonic-gate seekline(1); 297*7c478bd9Sstevel@tonic-gate while ((c = getc(refsfound)) != EOF) { 298*7c478bd9Sstevel@tonic-gate (void) putc(c, file); 299*7c478bd9Sstevel@tonic-gate } 300*7c478bd9Sstevel@tonic-gate seekline(topline); 301*7c478bd9Sstevel@tonic-gate (void) mypclose(file); 302*7c478bd9Sstevel@tonic-gate } 303*7c478bd9Sstevel@tonic-gate if (commandc == '^') { 304*7c478bd9Sstevel@tonic-gate if (readrefs(temp2) == NO) { 305*7c478bd9Sstevel@tonic-gate putmsg("Ignoring empty output of ^ command"); 306*7c478bd9Sstevel@tonic-gate } 307*7c478bd9Sstevel@tonic-gate } 308*7c478bd9Sstevel@tonic-gate askforreturn(); 309*7c478bd9Sstevel@tonic-gate entercurses(); 310*7c478bd9Sstevel@tonic-gate break; 311*7c478bd9Sstevel@tonic-gate 312*7c478bd9Sstevel@tonic-gate case ctrl('L'): /* redraw screen */ 313*7c478bd9Sstevel@tonic-gate case KEY_CLEAR: 314*7c478bd9Sstevel@tonic-gate (void) clearok(curscr, TRUE); 315*7c478bd9Sstevel@tonic-gate (void) wrefresh(curscr); 316*7c478bd9Sstevel@tonic-gate drawscrollbar(topline, bottomline, totallines); 317*7c478bd9Sstevel@tonic-gate return (NO); 318*7c478bd9Sstevel@tonic-gate 319*7c478bd9Sstevel@tonic-gate case '!': /* shell escape */ 320*7c478bd9Sstevel@tonic-gate (void) execute(shell, shell, (char *)NULL); 321*7c478bd9Sstevel@tonic-gate seekline(topline); 322*7c478bd9Sstevel@tonic-gate break; 323*7c478bd9Sstevel@tonic-gate 324*7c478bd9Sstevel@tonic-gate case '?': /* help */ 325*7c478bd9Sstevel@tonic-gate (void) clear(); 326*7c478bd9Sstevel@tonic-gate help(); 327*7c478bd9Sstevel@tonic-gate (void) clear(); 328*7c478bd9Sstevel@tonic-gate seekline(topline); 329*7c478bd9Sstevel@tonic-gate break; 330*7c478bd9Sstevel@tonic-gate 331*7c478bd9Sstevel@tonic-gate case ctrl('E'): /* edit all lines */ 332*7c478bd9Sstevel@tonic-gate editall(); 333*7c478bd9Sstevel@tonic-gate break; 334*7c478bd9Sstevel@tonic-gate 335*7c478bd9Sstevel@tonic-gate case ctrl('A'): /* repeat last pattern */ 336*7c478bd9Sstevel@tonic-gate case ctrl('Y'): /* (old command) */ 337*7c478bd9Sstevel@tonic-gate if (*pattern != '\0') { 338*7c478bd9Sstevel@tonic-gate (void) addstr(pattern); 339*7c478bd9Sstevel@tonic-gate goto repeat; 340*7c478bd9Sstevel@tonic-gate } 341*7c478bd9Sstevel@tonic-gate break; 342*7c478bd9Sstevel@tonic-gate 343*7c478bd9Sstevel@tonic-gate case ctrl('B'): /* cmd history back */ 344*7c478bd9Sstevel@tonic-gate case ctrl('F'): /* cmd history fwd */ 345*7c478bd9Sstevel@tonic-gate curritem = currentcmd(); 346*7c478bd9Sstevel@tonic-gate item = (commandc == ctrl('F')) ? nextcmd() : prevcmd(); 347*7c478bd9Sstevel@tonic-gate clearmsg2(); 348*7c478bd9Sstevel@tonic-gate if (curritem == item) { 349*7c478bd9Sstevel@tonic-gate /* inform user that we're at history end */ 350*7c478bd9Sstevel@tonic-gate putmsg2( 351*7c478bd9Sstevel@tonic-gate "End of input field and search pattern history"); 352*7c478bd9Sstevel@tonic-gate } 353*7c478bd9Sstevel@tonic-gate if (item) { 354*7c478bd9Sstevel@tonic-gate field = item->field; 355*7c478bd9Sstevel@tonic-gate setfield(); 356*7c478bd9Sstevel@tonic-gate atfield(); 357*7c478bd9Sstevel@tonic-gate (void) addstr(item->text); 358*7c478bd9Sstevel@tonic-gate (void) strcpy(pattern, item->text); 359*7c478bd9Sstevel@tonic-gate switch (c = mygetch()) { 360*7c478bd9Sstevel@tonic-gate case '\r': 361*7c478bd9Sstevel@tonic-gate case '\n': 362*7c478bd9Sstevel@tonic-gate case KEY_ENTER: 363*7c478bd9Sstevel@tonic-gate goto repeat; 364*7c478bd9Sstevel@tonic-gate default: 365*7c478bd9Sstevel@tonic-gate ungetch(c); 366*7c478bd9Sstevel@tonic-gate atfield(); 367*7c478bd9Sstevel@tonic-gate (void) clrtoeol(); /* clear current field */ 368*7c478bd9Sstevel@tonic-gate break; 369*7c478bd9Sstevel@tonic-gate } 370*7c478bd9Sstevel@tonic-gate } 371*7c478bd9Sstevel@tonic-gate return (NO); 372*7c478bd9Sstevel@tonic-gate 373*7c478bd9Sstevel@tonic-gate case '\\': /* next character is not a command */ 374*7c478bd9Sstevel@tonic-gate (void) addch('\\'); /* display the quote character */ 375*7c478bd9Sstevel@tonic-gate 376*7c478bd9Sstevel@tonic-gate /* get a character from the terminal */ 377*7c478bd9Sstevel@tonic-gate if ((commandc = mygetch()) == EOF) { 378*7c478bd9Sstevel@tonic-gate return (NO); /* quit */ 379*7c478bd9Sstevel@tonic-gate } 380*7c478bd9Sstevel@tonic-gate (void) addstr("\b \b"); /* erase the quote character */ 381*7c478bd9Sstevel@tonic-gate goto ispat; 382*7c478bd9Sstevel@tonic-gate 383*7c478bd9Sstevel@tonic-gate case '.': 384*7c478bd9Sstevel@tonic-gate atfield(); /* move back to the input field */ 385*7c478bd9Sstevel@tonic-gate /* FALLTHROUGH */ 386*7c478bd9Sstevel@tonic-gate default: 387*7c478bd9Sstevel@tonic-gate /* edit a selected line */ 388*7c478bd9Sstevel@tonic-gate if (isdigit(commandc) && commandc != '0' && !mouse) { 389*7c478bd9Sstevel@tonic-gate if (returnrequired == NO) { 390*7c478bd9Sstevel@tonic-gate editref(commandc - '1'); 391*7c478bd9Sstevel@tonic-gate } else { 392*7c478bd9Sstevel@tonic-gate (void) move(PRLINE, 0); 393*7c478bd9Sstevel@tonic-gate (void) addstr(selectionprompt); 394*7c478bd9Sstevel@tonic-gate if (getline(newpat, 395*7c478bd9Sstevel@tonic-gate COLS - sizeof (selectionprompt), commandc, 396*7c478bd9Sstevel@tonic-gate NO) > 0 && 397*7c478bd9Sstevel@tonic-gate (i = atoi(newpat)) > 0) { 398*7c478bd9Sstevel@tonic-gate editref(i - 1); 399*7c478bd9Sstevel@tonic-gate } 400*7c478bd9Sstevel@tonic-gate clearprompt(); 401*7c478bd9Sstevel@tonic-gate } 402*7c478bd9Sstevel@tonic-gate } else if (isprint(commandc)) { 403*7c478bd9Sstevel@tonic-gate /* this is the start of a pattern */ 404*7c478bd9Sstevel@tonic-gate ispat: 405*7c478bd9Sstevel@tonic-gate if (getline(newpat, COLS - fldcolumn - 1, commandc, 406*7c478bd9Sstevel@tonic-gate caseless) > 0) { 407*7c478bd9Sstevel@tonic-gate (void) strcpy(pattern, newpat); 408*7c478bd9Sstevel@tonic-gate resetcmd(); /* reset history */ 409*7c478bd9Sstevel@tonic-gate repeat: 410*7c478bd9Sstevel@tonic-gate addcmd(field, pattern); /* add to history */ 411*7c478bd9Sstevel@tonic-gate if (field == CHANGE) { 412*7c478bd9Sstevel@tonic-gate /* prompt for the new text */ 413*7c478bd9Sstevel@tonic-gate (void) move(PRLINE, 0); 414*7c478bd9Sstevel@tonic-gate (void) addstr(toprompt); 415*7c478bd9Sstevel@tonic-gate (void) getline(newpat, 416*7c478bd9Sstevel@tonic-gate COLS - sizeof (toprompt), '\0', NO); 417*7c478bd9Sstevel@tonic-gate } 418*7c478bd9Sstevel@tonic-gate /* search for the pattern */ 419*7c478bd9Sstevel@tonic-gate if (search() == YES) { 420*7c478bd9Sstevel@tonic-gate switch (field) { 421*7c478bd9Sstevel@tonic-gate case DEFINITION: 422*7c478bd9Sstevel@tonic-gate case FILENAME: 423*7c478bd9Sstevel@tonic-gate if (totallines > 1) { 424*7c478bd9Sstevel@tonic-gate break; 425*7c478bd9Sstevel@tonic-gate } 426*7c478bd9Sstevel@tonic-gate topline = 1; 427*7c478bd9Sstevel@tonic-gate editref(0); 428*7c478bd9Sstevel@tonic-gate break; 429*7c478bd9Sstevel@tonic-gate case CHANGE: 430*7c478bd9Sstevel@tonic-gate return (changestring()); 431*7c478bd9Sstevel@tonic-gate } 432*7c478bd9Sstevel@tonic-gate } else if (field == FILENAME && 433*7c478bd9Sstevel@tonic-gate access(newpat, READ) == 0) { 434*7c478bd9Sstevel@tonic-gate /* try to edit the file anyway */ 435*7c478bd9Sstevel@tonic-gate edit(newpat, "1"); 436*7c478bd9Sstevel@tonic-gate } 437*7c478bd9Sstevel@tonic-gate } else { /* no pattern--the input was erased */ 438*7c478bd9Sstevel@tonic-gate return (NO); 439*7c478bd9Sstevel@tonic-gate } 440*7c478bd9Sstevel@tonic-gate } else { /* control character */ 441*7c478bd9Sstevel@tonic-gate return (NO); 442*7c478bd9Sstevel@tonic-gate } 443*7c478bd9Sstevel@tonic-gate } 444*7c478bd9Sstevel@tonic-gate return (YES); 445*7c478bd9Sstevel@tonic-gate } 446*7c478bd9Sstevel@tonic-gate 447*7c478bd9Sstevel@tonic-gate /* clear the prompt line */ 448*7c478bd9Sstevel@tonic-gate 449*7c478bd9Sstevel@tonic-gate void 450*7c478bd9Sstevel@tonic-gate clearprompt(void) 451*7c478bd9Sstevel@tonic-gate { 452*7c478bd9Sstevel@tonic-gate (void) move(PRLINE, 0); 453*7c478bd9Sstevel@tonic-gate (void) clrtoeol(); 454*7c478bd9Sstevel@tonic-gate } 455*7c478bd9Sstevel@tonic-gate 456*7c478bd9Sstevel@tonic-gate /* read references from a file */ 457*7c478bd9Sstevel@tonic-gate 458*7c478bd9Sstevel@tonic-gate BOOL 459*7c478bd9Sstevel@tonic-gate readrefs(char *filename) 460*7c478bd9Sstevel@tonic-gate { 461*7c478bd9Sstevel@tonic-gate FILE *file; 462*7c478bd9Sstevel@tonic-gate int c; 463*7c478bd9Sstevel@tonic-gate 464*7c478bd9Sstevel@tonic-gate if ((file = fopen(filename, "r")) == NULL) { 465*7c478bd9Sstevel@tonic-gate cannotopen(filename); 466*7c478bd9Sstevel@tonic-gate return (NO); 467*7c478bd9Sstevel@tonic-gate } 468*7c478bd9Sstevel@tonic-gate if ((c = getc(file)) == EOF) { /* if file is empty */ 469*7c478bd9Sstevel@tonic-gate return (NO); 470*7c478bd9Sstevel@tonic-gate } 471*7c478bd9Sstevel@tonic-gate totallines = 0; 472*7c478bd9Sstevel@tonic-gate nextline = 1; 473*7c478bd9Sstevel@tonic-gate if (writerefsfound() == YES) { 474*7c478bd9Sstevel@tonic-gate (void) putc(c, refsfound); 475*7c478bd9Sstevel@tonic-gate while ((c = getc(file)) != EOF) { 476*7c478bd9Sstevel@tonic-gate (void) putc(c, refsfound); 477*7c478bd9Sstevel@tonic-gate } 478*7c478bd9Sstevel@tonic-gate (void) fclose(file); 479*7c478bd9Sstevel@tonic-gate (void) freopen(temp1, "r", refsfound); 480*7c478bd9Sstevel@tonic-gate countrefs(); 481*7c478bd9Sstevel@tonic-gate } 482*7c478bd9Sstevel@tonic-gate return (YES); 483*7c478bd9Sstevel@tonic-gate } 484*7c478bd9Sstevel@tonic-gate 485*7c478bd9Sstevel@tonic-gate /* change one text string to another */ 486*7c478bd9Sstevel@tonic-gate 487*7c478bd9Sstevel@tonic-gate BOOL 488*7c478bd9Sstevel@tonic-gate changestring(void) 489*7c478bd9Sstevel@tonic-gate { 490*7c478bd9Sstevel@tonic-gate char buf[PATLEN + 1]; /* input buffer */ 491*7c478bd9Sstevel@tonic-gate char newfile[PATHLEN + 1]; /* new file name */ 492*7c478bd9Sstevel@tonic-gate char oldfile[PATHLEN + 1]; /* old file name */ 493*7c478bd9Sstevel@tonic-gate char linenum[NUMLEN + 1]; /* file line number */ 494*7c478bd9Sstevel@tonic-gate char msg[MSGLEN + 1]; /* message */ 495*7c478bd9Sstevel@tonic-gate FILE *script; /* shell script file */ 496*7c478bd9Sstevel@tonic-gate BOOL anymarked = NO; /* any line marked */ 497*7c478bd9Sstevel@tonic-gate MOUSEEVENT *p; /* mouse data */ 498*7c478bd9Sstevel@tonic-gate int c, i; 499*7c478bd9Sstevel@tonic-gate char *s; 500*7c478bd9Sstevel@tonic-gate 501*7c478bd9Sstevel@tonic-gate /* open the temporary file */ 502*7c478bd9Sstevel@tonic-gate if ((script = fopen(temp2, "w")) == NULL) { 503*7c478bd9Sstevel@tonic-gate cannotopen(temp2); 504*7c478bd9Sstevel@tonic-gate return (NO); 505*7c478bd9Sstevel@tonic-gate } 506*7c478bd9Sstevel@tonic-gate /* create the line change indicators */ 507*7c478bd9Sstevel@tonic-gate change = (BOOL *)mycalloc((unsigned)totallines, sizeof (BOOL)); 508*7c478bd9Sstevel@tonic-gate changing = YES; 509*7c478bd9Sstevel@tonic-gate initmenu(); 510*7c478bd9Sstevel@tonic-gate 511*7c478bd9Sstevel@tonic-gate /* until the quit command is entered */ 512*7c478bd9Sstevel@tonic-gate for (;;) { 513*7c478bd9Sstevel@tonic-gate /* display the current page of lines */ 514*7c478bd9Sstevel@tonic-gate display(); 515*7c478bd9Sstevel@tonic-gate same: 516*7c478bd9Sstevel@tonic-gate /* get a character from the terminal */ 517*7c478bd9Sstevel@tonic-gate (void) move(PRLINE, 0); 518*7c478bd9Sstevel@tonic-gate (void) addstr( 519*7c478bd9Sstevel@tonic-gate "Select lines to change (press the ? key for help): "); 520*7c478bd9Sstevel@tonic-gate if ((c = mygetch()) == EOF || c == ctrl('D') || 521*7c478bd9Sstevel@tonic-gate c == ctrl('Z')) { 522*7c478bd9Sstevel@tonic-gate break; /* change lines */ 523*7c478bd9Sstevel@tonic-gate } 524*7c478bd9Sstevel@tonic-gate /* see if the input character is a command */ 525*7c478bd9Sstevel@tonic-gate switch (c) { 526*7c478bd9Sstevel@tonic-gate case ' ': /* display next page */ 527*7c478bd9Sstevel@tonic-gate case '+': 528*7c478bd9Sstevel@tonic-gate case ctrl('V'): 529*7c478bd9Sstevel@tonic-gate case KEY_NPAGE: 530*7c478bd9Sstevel@tonic-gate case '-': /* display previous page */ 531*7c478bd9Sstevel@tonic-gate case KEY_PPAGE: 532*7c478bd9Sstevel@tonic-gate case '!': /* shell escape */ 533*7c478bd9Sstevel@tonic-gate case '?': /* help */ 534*7c478bd9Sstevel@tonic-gate (void) command(c); 535*7c478bd9Sstevel@tonic-gate break; 536*7c478bd9Sstevel@tonic-gate 537*7c478bd9Sstevel@tonic-gate case ctrl('L'): /* redraw screen */ 538*7c478bd9Sstevel@tonic-gate case KEY_CLEAR: 539*7c478bd9Sstevel@tonic-gate (void) command(c); 540*7c478bd9Sstevel@tonic-gate goto same; 541*7c478bd9Sstevel@tonic-gate 542*7c478bd9Sstevel@tonic-gate case ESC: /* kept for backwards compatibility */ 543*7c478bd9Sstevel@tonic-gate /* FALLTHROUGH */ 544*7c478bd9Sstevel@tonic-gate 545*7c478bd9Sstevel@tonic-gate case '\r': /* don't change lines */ 546*7c478bd9Sstevel@tonic-gate case '\n': 547*7c478bd9Sstevel@tonic-gate case KEY_ENTER: 548*7c478bd9Sstevel@tonic-gate case KEY_BREAK: 549*7c478bd9Sstevel@tonic-gate case ctrl('G'): 550*7c478bd9Sstevel@tonic-gate clearprompt(); 551*7c478bd9Sstevel@tonic-gate goto nochange; 552*7c478bd9Sstevel@tonic-gate 553*7c478bd9Sstevel@tonic-gate case '*': /* mark/unmark all displayed lines */ 554*7c478bd9Sstevel@tonic-gate for (i = 0; topline + i < nextline; ++i) { 555*7c478bd9Sstevel@tonic-gate mark(i); 556*7c478bd9Sstevel@tonic-gate } 557*7c478bd9Sstevel@tonic-gate goto same; 558*7c478bd9Sstevel@tonic-gate 559*7c478bd9Sstevel@tonic-gate case 'a': /* mark/unmark all lines */ 560*7c478bd9Sstevel@tonic-gate for (i = 0; i < totallines; ++i) { 561*7c478bd9Sstevel@tonic-gate if (change[i] == NO) { 562*7c478bd9Sstevel@tonic-gate change[i] = YES; 563*7c478bd9Sstevel@tonic-gate } else { 564*7c478bd9Sstevel@tonic-gate change[i] = NO; 565*7c478bd9Sstevel@tonic-gate } 566*7c478bd9Sstevel@tonic-gate } 567*7c478bd9Sstevel@tonic-gate /* show that all have been marked */ 568*7c478bd9Sstevel@tonic-gate seekline(totallines); 569*7c478bd9Sstevel@tonic-gate break; 570*7c478bd9Sstevel@tonic-gate case ctrl('X'): /* mouse selection */ 571*7c478bd9Sstevel@tonic-gate if ((p = getmouseevent()) == NULL) { 572*7c478bd9Sstevel@tonic-gate goto same; /* unknown control sequence */ 573*7c478bd9Sstevel@tonic-gate } 574*7c478bd9Sstevel@tonic-gate /* if the button number is a scrollbar tag */ 575*7c478bd9Sstevel@tonic-gate if (p->button == '0') { 576*7c478bd9Sstevel@tonic-gate scrollbar(p); 577*7c478bd9Sstevel@tonic-gate break; 578*7c478bd9Sstevel@tonic-gate } 579*7c478bd9Sstevel@tonic-gate /* find the selected line */ 580*7c478bd9Sstevel@tonic-gate /* note: the selection is forced into range */ 581*7c478bd9Sstevel@tonic-gate for (i = disprefs - 1; i > 0; --i) { 582*7c478bd9Sstevel@tonic-gate if (p->y1 >= displine[i]) { 583*7c478bd9Sstevel@tonic-gate break; 584*7c478bd9Sstevel@tonic-gate } 585*7c478bd9Sstevel@tonic-gate } 586*7c478bd9Sstevel@tonic-gate mark(i); 587*7c478bd9Sstevel@tonic-gate goto same; 588*7c478bd9Sstevel@tonic-gate default: 589*7c478bd9Sstevel@tonic-gate /* if a line was selected */ 590*7c478bd9Sstevel@tonic-gate if (isdigit(c) && c != '0' && !mouse) { 591*7c478bd9Sstevel@tonic-gate if (returnrequired == NO) { 592*7c478bd9Sstevel@tonic-gate mark(c - '1'); 593*7c478bd9Sstevel@tonic-gate } else { 594*7c478bd9Sstevel@tonic-gate clearprompt(); 595*7c478bd9Sstevel@tonic-gate (void) move(PRLINE, 0); 596*7c478bd9Sstevel@tonic-gate (void) addstr(selectionprompt); 597*7c478bd9Sstevel@tonic-gate if (getline(buf, 598*7c478bd9Sstevel@tonic-gate COLS - sizeof (selectionprompt), c, 599*7c478bd9Sstevel@tonic-gate NO) > 0 && 600*7c478bd9Sstevel@tonic-gate (i = atoi(buf)) > 0) { 601*7c478bd9Sstevel@tonic-gate mark(i - 1); 602*7c478bd9Sstevel@tonic-gate } 603*7c478bd9Sstevel@tonic-gate } 604*7c478bd9Sstevel@tonic-gate } 605*7c478bd9Sstevel@tonic-gate goto same; 606*7c478bd9Sstevel@tonic-gate } 607*7c478bd9Sstevel@tonic-gate } 608*7c478bd9Sstevel@tonic-gate /* for each line containing the old text */ 609*7c478bd9Sstevel@tonic-gate (void) fprintf(script, "ed - <<\\!\nH\n"); 610*7c478bd9Sstevel@tonic-gate *oldfile = '\0'; 611*7c478bd9Sstevel@tonic-gate seekline(1); 612*7c478bd9Sstevel@tonic-gate for (i = 0; fscanf(refsfound, "%s%*s%s%*[^\n]", newfile, linenum) == 2; 613*7c478bd9Sstevel@tonic-gate ++i) { 614*7c478bd9Sstevel@tonic-gate /* see if the line is to be changed */ 615*7c478bd9Sstevel@tonic-gate if (change[i] == YES) { 616*7c478bd9Sstevel@tonic-gate anymarked = YES; 617*7c478bd9Sstevel@tonic-gate 618*7c478bd9Sstevel@tonic-gate /* if this is a new file */ 619*7c478bd9Sstevel@tonic-gate if (strcmp(newfile, oldfile) != 0) { 620*7c478bd9Sstevel@tonic-gate 621*7c478bd9Sstevel@tonic-gate /* make sure it can be changed */ 622*7c478bd9Sstevel@tonic-gate if (access(newfile, WRITE) != 0) { 623*7c478bd9Sstevel@tonic-gate (void) sprintf(msg, 624*7c478bd9Sstevel@tonic-gate "Cannot write to file %s", 625*7c478bd9Sstevel@tonic-gate newfile); 626*7c478bd9Sstevel@tonic-gate putmsg(msg); 627*7c478bd9Sstevel@tonic-gate anymarked = NO; 628*7c478bd9Sstevel@tonic-gate break; 629*7c478bd9Sstevel@tonic-gate } 630*7c478bd9Sstevel@tonic-gate /* if there was an old file */ 631*7c478bd9Sstevel@tonic-gate if (*oldfile != '\0') { 632*7c478bd9Sstevel@tonic-gate (void) fprintf(script, 633*7c478bd9Sstevel@tonic-gate "w\n"); /* save it */ 634*7c478bd9Sstevel@tonic-gate } 635*7c478bd9Sstevel@tonic-gate /* edit the new file */ 636*7c478bd9Sstevel@tonic-gate (void) strcpy(oldfile, newfile); 637*7c478bd9Sstevel@tonic-gate (void) fprintf(script, "e %s\n", oldfile); 638*7c478bd9Sstevel@tonic-gate } 639*7c478bd9Sstevel@tonic-gate /* output substitute command */ 640*7c478bd9Sstevel@tonic-gate (void) fprintf(script, 641*7c478bd9Sstevel@tonic-gate "%ss/", linenum); /* change */ 642*7c478bd9Sstevel@tonic-gate for (s = pattern; *s != '\0'; ++s) { /* old text */ 643*7c478bd9Sstevel@tonic-gate if (*s == '/') { 644*7c478bd9Sstevel@tonic-gate (void) putc('\\', script); 645*7c478bd9Sstevel@tonic-gate } 646*7c478bd9Sstevel@tonic-gate (void) putc(*s, script); 647*7c478bd9Sstevel@tonic-gate } 648*7c478bd9Sstevel@tonic-gate (void) putc('/', script); /* to */ 649*7c478bd9Sstevel@tonic-gate for (s = newpat; *s != '\0'; ++s) { /* new text */ 650*7c478bd9Sstevel@tonic-gate if (strchr("/\\&", *s) != NULL) { 651*7c478bd9Sstevel@tonic-gate (void) putc('\\', script); 652*7c478bd9Sstevel@tonic-gate } 653*7c478bd9Sstevel@tonic-gate (void) putc(*s, script); 654*7c478bd9Sstevel@tonic-gate } 655*7c478bd9Sstevel@tonic-gate (void) fprintf(script, "/gp\n"); /* and print */ 656*7c478bd9Sstevel@tonic-gate } 657*7c478bd9Sstevel@tonic-gate } 658*7c478bd9Sstevel@tonic-gate (void) fprintf(script, "w\nq\n!\n"); /* write and quit */ 659*7c478bd9Sstevel@tonic-gate (void) fclose(script); 660*7c478bd9Sstevel@tonic-gate clearprompt(); 661*7c478bd9Sstevel@tonic-gate 662*7c478bd9Sstevel@tonic-gate /* if any line was marked */ 663*7c478bd9Sstevel@tonic-gate if (anymarked == YES) { 664*7c478bd9Sstevel@tonic-gate /* edit the files */ 665*7c478bd9Sstevel@tonic-gate (void) refresh(); 666*7c478bd9Sstevel@tonic-gate (void) fprintf(stderr, "Changed lines:\n\r"); 667*7c478bd9Sstevel@tonic-gate (void) execute(shell, shell, temp2, (char *)NULL); 668*7c478bd9Sstevel@tonic-gate askforreturn(); 669*7c478bd9Sstevel@tonic-gate } 670*7c478bd9Sstevel@tonic-gate nochange: 671*7c478bd9Sstevel@tonic-gate changing = NO; 672*7c478bd9Sstevel@tonic-gate initmenu(); 673*7c478bd9Sstevel@tonic-gate free(change); 674*7c478bd9Sstevel@tonic-gate seekline(topline); 675*7c478bd9Sstevel@tonic-gate return (YES); /* clear any marks on exit without change */ 676*7c478bd9Sstevel@tonic-gate } 677*7c478bd9Sstevel@tonic-gate 678*7c478bd9Sstevel@tonic-gate /* mark/unmark this displayed line to be changed */ 679*7c478bd9Sstevel@tonic-gate 680*7c478bd9Sstevel@tonic-gate void 681*7c478bd9Sstevel@tonic-gate mark(int i) 682*7c478bd9Sstevel@tonic-gate { 683*7c478bd9Sstevel@tonic-gate int j; 684*7c478bd9Sstevel@tonic-gate 685*7c478bd9Sstevel@tonic-gate j = i + topline - 1; 686*7c478bd9Sstevel@tonic-gate if (j < totallines) { 687*7c478bd9Sstevel@tonic-gate (void) move(displine[i], selectlen); 688*7c478bd9Sstevel@tonic-gate if (change[j] == NO) { 689*7c478bd9Sstevel@tonic-gate change[j] = YES; 690*7c478bd9Sstevel@tonic-gate (void) addch('>'); 691*7c478bd9Sstevel@tonic-gate } else { 692*7c478bd9Sstevel@tonic-gate change[j] = NO; 693*7c478bd9Sstevel@tonic-gate (void) addch(' '); 694*7c478bd9Sstevel@tonic-gate } 695*7c478bd9Sstevel@tonic-gate } 696*7c478bd9Sstevel@tonic-gate } 697*7c478bd9Sstevel@tonic-gate 698*7c478bd9Sstevel@tonic-gate /* scrollbar actions */ 699*7c478bd9Sstevel@tonic-gate 700*7c478bd9Sstevel@tonic-gate static void 701*7c478bd9Sstevel@tonic-gate scrollbar(MOUSEEVENT *p) 702*7c478bd9Sstevel@tonic-gate { 703*7c478bd9Sstevel@tonic-gate /* reposition list if it makes sense */ 704*7c478bd9Sstevel@tonic-gate if (totallines == 0) { 705*7c478bd9Sstevel@tonic-gate return; 706*7c478bd9Sstevel@tonic-gate } 707*7c478bd9Sstevel@tonic-gate switch (p->percent) { 708*7c478bd9Sstevel@tonic-gate 709*7c478bd9Sstevel@tonic-gate case 101: /* scroll down one page */ 710*7c478bd9Sstevel@tonic-gate if (nextline + mdisprefs > totallines) { 711*7c478bd9Sstevel@tonic-gate nextline = totallines - mdisprefs + 1; 712*7c478bd9Sstevel@tonic-gate } 713*7c478bd9Sstevel@tonic-gate break; 714*7c478bd9Sstevel@tonic-gate 715*7c478bd9Sstevel@tonic-gate case 102: /* scroll up one page */ 716*7c478bd9Sstevel@tonic-gate nextline = topline - mdisprefs; 717*7c478bd9Sstevel@tonic-gate if (nextline < 1) { 718*7c478bd9Sstevel@tonic-gate nextline = 1; 719*7c478bd9Sstevel@tonic-gate } 720*7c478bd9Sstevel@tonic-gate break; 721*7c478bd9Sstevel@tonic-gate 722*7c478bd9Sstevel@tonic-gate case 103: /* scroll down one line */ 723*7c478bd9Sstevel@tonic-gate nextline = topline + 1; 724*7c478bd9Sstevel@tonic-gate break; 725*7c478bd9Sstevel@tonic-gate 726*7c478bd9Sstevel@tonic-gate case 104: /* scroll up one line */ 727*7c478bd9Sstevel@tonic-gate if (topline > 1) { 728*7c478bd9Sstevel@tonic-gate nextline = topline - 1; 729*7c478bd9Sstevel@tonic-gate } 730*7c478bd9Sstevel@tonic-gate break; 731*7c478bd9Sstevel@tonic-gate default: 732*7c478bd9Sstevel@tonic-gate nextline = p->percent * totallines / 100; 733*7c478bd9Sstevel@tonic-gate } 734*7c478bd9Sstevel@tonic-gate seekline(nextline); 735*7c478bd9Sstevel@tonic-gate } 736