/* term.c -- Eterm terminal emulation module * * This file is original work by Michael Jennings and * Tuomo Venalainen . This file, and any other file * bearing this same message or a similar one, is distributed under * the GNU Public License (GPL) as outlined in the COPYING file. * * Copyright (C) 1997-2000, Michael Jennings and Tuomo Venalainen * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * */ static const char cvs_ident[] = "$Id$"; #include "config.h" #include "feature.h" #include #include #include #include #include "../libmej/debug.h" #include "../libmej/mem.h" #include "../libmej/strings.h" #include "debug.h" #include "actions.h" #include "buttons.h" #include "command.h" #include "e.h" #include "events.h" #include "font.h" #include "startup.h" #include "options.h" #include "pixmap.h" #include "screen.h" #include "scrollbar.h" #include "term.h" #include "windows.h" #ifdef META8_OPTION unsigned char meta_char = 033; /* Alt-key prefix */ #endif unsigned long PrivateModes = PrivMode_Default; unsigned long SavedModes = PrivMode_Default; char *def_colorName[] = { "rgb:ff/ff/ff", "rgb:0/0/0", /* fg/bg */ "rgb:0/0/0", /* 0: black (#000000) */ #ifndef NO_BRIGHTCOLOR /* low-intensity colors */ "rgb:cc/00/00", /* 1: red */ "rgb:00/cc/00", /* 2: green */ "rgb:cc/cc/00", /* 3: yellow */ "rgb:00/00/cc", /* 4: blue */ "rgb:cc/00/cc", /* 5: magenta */ "rgb:00/cc/cc", /* 6: cyan */ "rgb:fa/eb/d7", /* 7: white */ /* high-intensity colors */ "rgb:33/33/33", /* 8: bright black */ #endif /* NO_BRIGHTCOLOR */ "rgb:ff/00/00", /* 1/9: bright red */ "rgb:00/ff/00", /* 2/10: bright green */ "rgb:ff/ff/00", /* 3/11: bright yellow */ "rgb:00/00/ff", /* 4/12: bright blue */ "rgb:ff/00/ff", /* 5/13: bright magenta */ "rgb:00/ff/ff", /* 6/14: bright cyan */ "rgb:ff/ff/ff", /* 7/15: bright white */ #ifndef NO_CURSORCOLOR NULL, NULL, /* cursorColor, cursorColor2 */ #endif /* NO_CURSORCOLOR */ NULL, NULL /* pointerColor, borderColor */ #ifndef NO_BOLDUNDERLINE ,NULL, NULL /* colorBD, colorUL */ #endif /* NO_BOLDUNDERLINE */ ,"rgb:ff/ff/ff" /* menuTextColor */ ,"rgb:b2/b2/b2" /* scrollColor: match Netscape color */ ,NULL /* menuColor: match scrollbar color */ ,NULL /* unfocusedscrollColor: somebody chose black? */ ,NULL /* unfocusedMenuColor */ }; char *rs_color[NRS_COLORS]; Pixel PixColors[NRS_COLORS + NSHADOWCOLORS]; unsigned int MetaMask = 0, AltMask = 0, NumLockMask = 0; unsigned int modmasks[] = { Mod1Mask, Mod2Mask, Mod3Mask, Mod4Mask, Mod5Mask }; /* This function queries X to see which modifier keys (specifically Alt, Meta, and NumLock, since that's really all we care about) are bound to the 5 modifier masks. It then sets the variables MetaMask, AltMask, and NumLockMask to the appropriate modifier mask (e.g., Mod1Mask). That way, we can use MetaMask in lookup_key() instead of using a specific ModMask. This function also handles fallbacks, so that if there is no Meta key, the Alt key will be used as Meta, and vice versa. get_modifiers() is called once on startup and after each MappingNotify event. */ void get_modifiers(void) { unsigned short i; XModifierKeymap *modmap; KeyCode *kc; modmap = XGetModifierMapping(Xdisplay); kc = modmap->modifiermap; /* For each of the 5 modifier masks... */ for (i = Mod5MapIndex; i >= Mod1MapIndex; i--) { unsigned short j; register unsigned short k, l; k = i * modmap->max_keypermod; l = i - Mod1MapIndex; /* Find each key bound to it... */ for (j = 0; j < modmap->max_keypermod; j++, k++) { unsigned char match = 0; if (kc[k] == 0) { break; } /* Check to see if it's one that we care about. */ switch (XKeycodeToKeysym(Xdisplay, kc[k], 0)) { case XK_Meta_L: case XK_Meta_R: D_X11(("Found Meta key as mod %d\n", l + 1)); match = MetaMask = modmasks[l]; break; case XK_Alt_L: case XK_Alt_R: D_X11(("Found Alt key as mod %d\n", l + 1)); match = AltMask = modmasks[l]; break; case XK_Num_Lock: D_X11(("Found NumLock key as mod %d\n", l + 1)); match = NumLockMask = modmasks[l]; break; default: break; } if (match) { break; } } } XFreeModifiermap(modmap); /* Fallbacks. */ if (MetaMask == 0) { if (AltMask != 0) { D_X11(("Defaulted Meta key to match Alt mask\n")); MetaMask = AltMask; } else { D_X11(("Defaulted Meta key to mod 1\n")); MetaMask = Mod1Mask; } } if (AltMask == 0) { D_X11(("Defaulted Alt key to match Meta mask\n")); AltMask = MetaMask; /* MetaMask will always be defined at this point. */ } } /* To handle buffer overflows properly, we must malloc a buffer. Free it when done. */ #ifdef USE_XIM # define LK_RET() do {if (kbuf_alloced) FREE(kbuf); return;} while (0) #else # define LK_RET() return #endif /* This function is called for every keypress event we receive. Its job is to convert the keypress into its corresponding action. It is responsible for calling the action bindings routine to see if there is an action binding for that keysym; if there is, this routine will exit. If not, it continues. It then uses the keysym to determine the action or escape sequence which should result from the keypress. Actions are performed and the event discarded. Escape sequences are generated and sent to the child process. */ void lookup_key(XEvent * ev) { static int numlock_state = 0; int ctrl, meta, shft, len; KeySym keysym; #ifdef USE_XIM int valid_keysym = 0; static unsigned char short_buf[256]; unsigned char *kbuf = short_buf; int kbuf_alloced = 0; #else static unsigned char kbuf[KBUFSZ]; #endif #ifdef GREEK_SUPPORT static short greek_mode = 0; #endif /* Quick boolean variables tell us which modifier keys were pressed. */ shft = (ev->xkey.state & ShiftMask); ctrl = (ev->xkey.state & ControlMask); meta = (ev->xkey.state & MetaMask); /* The num lock key toggles application keypad mode. Num lock on, app. keypad mode off. */ if (numlock_state || (ev->xkey.state & NumLockMask)) { numlock_state = (ev->xkey.state & NumLockMask); PrivMode((!numlock_state), PrivMode_aplKP); } #ifdef USE_XIM if (xim_input_context != NULL) { Status status_return; kbuf[0] = '\0'; /* Lookup the string equivalent in terms of the XIM input context. */ len = XmbLookupString(xim_input_context, &ev->xkey, (char *) kbuf, sizeof(short_buf), &keysym, &status_return); /* Whoops, it's too long. Allocate a new buffer and repeat the call. */ if (status_return == XBufferOverflow) { kbuf = (unsigned char *) MALLOC(len + 1); kbuf_alloced = 1; len = XmbLookupString(xim_input_context, &ev->xkey, (char *) kbuf, len, &keysym, &status_return); } valid_keysym = (status_return == XLookupKeySym) || (status_return == XLookupBoth); } else { /* No XIM input context. Do it the normal way. */ len = XLookupString(&ev->xkey, (char *) kbuf, sizeof(short_buf), &keysym, NULL); valid_keysym = 1; } #else /* USE_XIM */ /* Translate the key event into its corresponding string according to X. This also gets us a keysym. */ len = XLookupString(&ev->xkey, (char *) kbuf, sizeof(kbuf), &keysym, NULL); /* If there is no string and it's a Latin2-4 character, replace it with the Latin1 character instead. */ if (!len && (keysym >= 0x0100) && (keysym < 0x0400)) { len = 1; kbuf[0] = (keysym & 0xff); } #endif /* USE_XIM */ #ifdef USE_XIM /* Don't do anything without a valid keysym. */ if (valid_keysym) { #endif /* Check for a corresponding action binding. If there is one, we're done with this event. */ if (action_dispatch(ev, keysym)) { LK_RET(); } /* If we're in pause mode, exit. */ if (len && keypress_exit) { exit(0); } /* This is a special mode that reports all extended keysyms (above 0xff00) to the application as escape sequences. Very few applications use it, but it can be a handy thing to have. */ if ((Options & Opt_report_as_keysyms) && (keysym >= 0xff00)) { len = sprintf((char *) kbuf, "\033[k%X;%X~", (unsigned int) (ev->xkey.state & 0xff), (unsigned int) (keysym & 0xff)); tt_write(kbuf, len); LK_RET(); } #ifdef HOTKEY /* Ctrl-> and Ctrl-< should change font sizes. (Meta if HOTKEY has been changed to Meta.) */ if (HOTKEY) { if (keysym == ks_bigfont) { change_font(0, BIGGER_FONT); LK_RET(); } else if (keysym == ks_smallfont) { change_font(0, SMALLER_FONT); LK_RET(); } } #endif if (shft) { /* Shift + F1 - F10 generates F11 - F20 */ if (keysym >= XK_F1 && keysym <= XK_F10) { keysym += (XK_F11 - XK_F1); shft = 0; } else if (!ctrl && !meta && (PrivateModes & PrivMode_ShiftKeys)) { int lnsppg; /* Lines per page to scroll */ #ifdef PAGING_CONTEXT_LINES lnsppg = TermWin.nrow - PAGING_CONTEXT_LINES; #else lnsppg = TermWin.nrow * 4 / 5; #endif switch (keysym) { case XK_Prior: /* Shift-PgUp scrolls up a page */ if (TermWin.saveLines) { scr_page(UP, lnsppg); LK_RET(); } break; case XK_Next: /* Shift-PgDn scrolls down a page */ if (TermWin.saveLines) { scr_page(DN, lnsppg); LK_RET(); } break; case XK_Insert: /* Shift-Ins pastes the current selection. */ selection_request(ev->xkey.time, ev->xkey.x, ev->xkey.y); LK_RET(); break; case XK_KP_Add: /* Shift-Plus on the keypad increases the font size */ change_font(0, BIGGER_FONT); LK_RET(); break; case XK_KP_Subtract: /* Shift-Minus on the keypad decreases the font size */ change_font(0, SMALLER_FONT); LK_RET(); break; } } } #ifdef UNSHIFTED_SCROLLKEYS /* Allow PgUp/PgDn by themselves to scroll. Not recommended. */ else if (!ctrl && !meta) { switch (keysym) { case XK_Prior: if (TermWin.saveLines) { scr_page(UP, TermWin.nrow * 4 / 5); LK_RET(); } break; case XK_Next: if (TermWin.saveLines) { scr_page(DN, TermWin.nrow * 4 / 5); LK_RET(); } break; } } #endif switch (keysym) { case XK_Print: /* Print the screen contents out to the print pipe */ #if DEBUG >= DEBUG_SELECTION if (debug_level >= DEBUG_SELECTION) { debug_selection(); } #endif #ifdef PRINTPIPE scr_printscreen(ctrl | shft); LK_RET(); #endif break; case XK_Mode_switch: #ifdef GREEK_SUPPORT greek_mode = !greek_mode; if (greek_mode) { xterm_seq(XTerm_title, (greek_getmode() == GREEK_ELOT928 ? "[Greek: iso]" : "[Greek: ibm]")); greek_reset(); } else xterm_seq(XTerm_title, APL_NAME "-" VERSION); LK_RET(); #endif break; } /* If we get this far, the keypress had no special meaning to us. */ if (Options & Opt_home_on_input) { TermWin.view_start = 0; } /* Process extended keysyms. This is where the conversion to escape sequences happens. */ if (keysym >= 0xff00 && keysym <= 0xffff) { #ifdef KEYSYM_ATTRIBUTE /* The "keysym" attribute in the config file gets handled here. */ if (!(shft | ctrl) && KeySym_map[keysym - 0xff00] != NULL) { const unsigned char *tmpbuf; unsigned int len; tmpbuf = (KeySym_map[keysym - 0xff00]); len = *tmpbuf++; /* escape prefix */ if (meta # ifdef META8_OPTION && (meta_char == 033) # endif ) { const unsigned char ch = '\033'; tt_write(&ch, 1); } tt_write(tmpbuf, len); LK_RET(); } else #endif /* This is a big-ass switch statement that handles all the special keysyms */ switch (keysym) { case XK_BackSpace: len = 1; #ifdef FORCE_BACKSPACE kbuf[0] = (!(shft | ctrl) ? '\b' : '\177'); #elif defined(FORCE_DELETE) kbuf[0] = ((shft | ctrl) ? '\b' : '\177'); #else kbuf[0] = (((PrivateModes & PrivMode_BackSpace) ? !(shft | ctrl) : (shft | ctrl)) ? '\b' : '\177'); #endif break; /* Tab key is normal unless it's shift-tab. */ case XK_Tab: if (shft) { len = 3; strcpy(kbuf, "\033[Z"); } break; #ifdef XK_KP_Home case XK_KP_Home: /* allow shift to override */ if ((PrivateModes & PrivMode_aplKP) ? !shft : shft) { len = 3; strcpy(kbuf, "\033Ow"); break; } /* -> else FALL THROUGH */ #endif case XK_Home: len = strlen(strcpy(kbuf, KS_HOME)); break; #ifdef XK_KP_Left case XK_KP_Left: /* \033Ot or standard cursor key */ case XK_KP_Up: /* \033Ox or standard cursor key */ case XK_KP_Right: /* \033Ov or standard cursor key */ case XK_KP_Down: /* \033Or or standard cursor key */ if ((PrivateModes & PrivMode_aplKP) ? !shft : shft) { len = 3; strcpy(kbuf, "\033OZ"); /* The Z is replaced by t, x, v, or r */ kbuf[2] = ("txvr"[keysym - XK_KP_Left]); break; } else { keysym = XK_Left + (keysym - XK_KP_Left); } /* Continue on with the normal cursor keys... */ #endif case XK_Left: /* "\033[D" */ case XK_Up: /* "\033[A" */ case XK_Right: /* "\033[C" */ case XK_Down: /* "\033[B" */ len = 3; strcpy(kbuf, "\033[@"); kbuf[2] = ("DACB"[keysym - XK_Left]); if (PrivateModes & PrivMode_aplCUR) { kbuf[1] = 'O'; } else if (shft) { /* do Shift first */ kbuf[2] = ("dacb"[keysym - XK_Left]); } else if (ctrl) { kbuf[1] = 'O'; kbuf[2] = ("dacb"[keysym - XK_Left]); } break; /* Keypad and normal PgUp/PgDn */ #ifndef UNSHIFTED_SCROLLKEYS # ifdef XK_KP_Prior case XK_KP_Prior: /* allow shift to override */ if ((PrivateModes & PrivMode_aplKP) ? !shft : shft) { len = 3; strcpy(kbuf, "\033Oy"); break; } /* -> else FALL THROUGH */ # endif /* XK_KP_Prior */ case XK_Prior: len = 4; strcpy(kbuf, "\033[5~"); break; # ifdef XK_KP_Next case XK_KP_Next: /* allow shift to override */ if ((PrivateModes & PrivMode_aplKP) ? !shft : shft) { len = 3; strcpy(kbuf, "\033Os"); break; } /* -> else FALL THROUGH */ # endif /* XK_KP_Next */ case XK_Next: len = 4; strcpy(kbuf, "\033[6~"); break; #endif /* UNSHIFTED_SCROLLKEYS */ /* End key */ #ifdef XK_KP_End case XK_KP_End: /* allow shift to override */ if ((PrivateModes & PrivMode_aplKP) ? !shft : shft) { len = 3; strcpy(kbuf, "\033Oq"); break; } /* -> else FALL THROUGH */ #endif /* XK_KP_End */ case XK_End: len = strlen(strcpy(kbuf, KS_END)); break; case XK_Select: len = 4; strcpy(kbuf, "\033[4~"); break; #ifdef DXK_Remove case DXK_Remove: #endif case XK_Execute: len = 4; strcpy(kbuf, "\033[3~"); break; #ifdef XK_KP_Insert case XK_KP_Insert: if ((PrivateModes & PrivMode_aplKP) ? !shft : shft) { len = 3; strcpy(kbuf, "\033Op"); break; } #endif case XK_Insert: len = 4; strcpy(kbuf, "\033[2~"); break; #ifdef XK_KP_Delete case XK_KP_Delete: if ((PrivateModes & PrivMode_aplKP) ? !shft : shft) { len = 3; strcpy(kbuf, "\033On"); break; } #endif case XK_Delete: #ifdef KS_DELETE len = strlen(strcpy(kbuf, KS_DELETE)); #endif break; case XK_Menu: len = 5; strcpy(kbuf, "\033[29~"); break; case XK_Find: len = 4; strcpy(kbuf, "\033[1~"); break; case XK_Help: len = 5; strcpy(kbuf, "\033[28~"); break; case XK_KP_Enter: /* allow shift to override */ if ((PrivateModes & PrivMode_aplKP) ? !shft : shft) { len = 3; strcpy(kbuf, "\033OM"); } else { len = 1; kbuf[0] = '\r'; } break; #ifdef XK_KP_Begin case XK_KP_Begin: len = 3; strcpy(kbuf, "\033Ou"); break; #endif /* XK_KP_Begin */ case XK_KP_F1: /* "\033OP" */ case XK_KP_F2: /* "\033OQ" */ case XK_KP_F3: /* "\033OR" */ case XK_KP_F4: /* "\033OS" */ len = 3; strcpy(kbuf, "\033OP"); kbuf[2] += (keysym - XK_KP_F1); break; case XK_KP_Multiply: /* "\033Oj" : "*" */ case XK_KP_Add: /* "\033Ok" : "+" */ case XK_KP_Separator: /* "\033Ol" : "," */ case XK_KP_Subtract: /* "\033Om" : "-" */ case XK_KP_Decimal: /* "\033On" : "." */ case XK_KP_Divide: /* "\033Oo" : "/" */ case XK_KP_0: /* "\033Op" : "0" */ case XK_KP_1: /* "\033Oq" : "1" */ case XK_KP_2: /* "\033Or" : "2" */ case XK_KP_3: /* "\033Os" : "3" */ case XK_KP_4: /* "\033Ot" : "4" */ case XK_KP_5: /* "\033Ou" : "5" */ case XK_KP_6: /* "\033Ov" : "6" */ case XK_KP_7: /* "\033Ow" : "7" */ case XK_KP_8: /* "\033Ox" : "8" */ case XK_KP_9: /* "\033Oy" : "9" */ /* allow shift to override */ if ((PrivateModes & PrivMode_aplKP) ? !shft : shft) { len = 3; strcpy(kbuf, "\033Oj"); kbuf[2] += (keysym - XK_KP_Multiply); } else { len = 1; kbuf[0] = ('*' + (keysym - XK_KP_Multiply)); } break; #define FKEY(n,fkey) do { \ len = 5; \ sprintf((char *) kbuf,"\033[%02d~", (int)((n) + (keysym - fkey))); \ } while (0); case XK_F1: /* "\033[11~" */ case XK_F2: /* "\033[12~" */ case XK_F3: /* "\033[13~" */ case XK_F4: /* "\033[14~" */ case XK_F5: /* "\033[15~" */ FKEY(11, XK_F1); break; case XK_F6: /* "\033[17~" */ case XK_F7: /* "\033[18~" */ case XK_F8: /* "\033[19~" */ case XK_F9: /* "\033[20~" */ case XK_F10: /* "\033[21~" */ FKEY(17, XK_F6); break; case XK_F11: /* "\033[23~" */ case XK_F12: /* "\033[24~" */ case XK_F13: /* "\033[25~" */ case XK_F14: /* "\033[26~" */ FKEY(23, XK_F11); break; case XK_F15: /* "\033[28~" */ case XK_F16: /* "\033[29~" */ FKEY(28, XK_F15); break; case XK_F17: /* "\033[31~" */ case XK_F18: /* "\033[32~" */ case XK_F19: /* "\033[33~" */ case XK_F20: /* "\033[34~" */ case XK_F21: /* "\033[35~" */ case XK_F22: /* "\033[36~" */ case XK_F23: /* "\033[37~" */ case XK_F24: /* "\033[38~" */ case XK_F25: /* "\033[39~" */ case XK_F26: /* "\033[40~" */ case XK_F27: /* "\033[41~" */ case XK_F28: /* "\033[42~" */ case XK_F29: /* "\033[43~" */ case XK_F30: /* "\033[44~" */ case XK_F31: /* "\033[45~" */ case XK_F32: /* "\033[46~" */ case XK_F33: /* "\033[47~" */ case XK_F34: /* "\033[48~" */ case XK_F35: /* "\033[49~" */ FKEY(31, XK_F17); break; #undef FKEY } #ifdef META8_OPTION if (meta && (meta_char == 0x80) && len > 0) { kbuf[len - 1] |= 0x80; } #endif } else if (ctrl && keysym == XK_minus) { len = 1; kbuf[0] = '\037'; /* Ctrl-Minus generates ^_ (31) */ } else { #ifdef META8_OPTION /* set 8-bit on */ if (meta && (meta_char == 0x80)) { unsigned char *ch; for (ch = kbuf; ch < kbuf + len; ch++) *ch |= 0x80; meta = 0; } #endif #ifdef GREEK_SUPPORT if (greek_mode) len = greek_xlat(kbuf, len); #endif } #ifdef USE_XIM } #endif /* All processed. If there's still no string, we're done. */ if (len <= 0) { LK_RET(); } /* * these modifications only affect the static keybuffer * pass Shift/Control indicators for function keys ending with `~' * * eg, * Prior = "ESC[5~" * Shift+Prior = "ESC[5$" * Ctrl+Prior = "ESC[5^" * Ctrl+Shift+Prior = "ESC[5@" */ if (kbuf[0] == '\033' && kbuf[1] == '[' && kbuf[len - 1] == '~') { kbuf[len - 1] = (shft ? (ctrl ? '@' : '$') : (ctrl ? '^' : '~')); } /* escape prefix */ if (meta #ifdef META8_OPTION && (meta_char == 033) #endif ) { const unsigned char ch = '\033'; tt_write(&ch, 1); } #if DEBUG >= DEBUG_CMD if (debug_level >= DEBUG_CMD) { char *p; int i; fprintf(stderr, "key 0x%04x[%d]: `", (unsigned int) keysym, len); for (i = 0, p = (char *) kbuf; i < len; i++, p++) fprintf(stderr, (*p >= ' ' && *p < '\177' ? "%c" : "\\%03o"), *p); fprintf(stderr, "'\n"); } #endif /* DEBUG_CMD */ tt_write(kbuf, len); /* Send the resulting string to the child process */ LK_RET(); } #ifdef PRINTPIPE /* Open the print pipe. */ FILE * popen_printer(void) { FILE *stream; if (((my_ruid != my_euid) || (my_rgid != my_egid)) && (strcmp(rs_print_pipe, PRINTPIPE))) { print_warning("Running setuid/setgid. Refusing to use custom printpipe."); RESET_AND_ASSIGN(rs_print_pipe, StrDup(PRINTPIPE)); } if ((stream = (FILE *) popen(rs_print_pipe, "w")) == NULL) { print_error("Can't open printer pipe \"%s\" -- %s", rs_print_pipe, strerror(errno)); } return stream; } /* Close the print pipe. */ int pclose_printer(FILE * stream) { fflush(stream); return pclose(stream); } /* Print everything until we hit a \e[4i sequence. */ void process_print_pipe(void) { const char *const escape_seq = "\033[4i"; const char *const rev_escape_seq = "i4[\033"; int index; FILE *fd; if ((fd = popen_printer()) != NULL) { for (index = 0; index < 4; /* nil */ ) { unsigned char ch = cmd_getc(); if (ch == escape_seq[index]) index++; else if (index) for ( /*nil */ ; index > 0; index--) fputc(rev_escape_seq[index - 1], fd); if (index == 0) fputc(ch, fd); } pclose_printer(fd); } } #endif /* PRINTPIPE */ /* This routine processes escape sequences; i.e., when a \033 character is encountered in the input stream, this function is called to process it. First, we get the next character off the input stream (the one after the ESC) and store it in ch. Then we proceed based on what ch is. Some escape sequences are only ESC followed by a single character, so the processing of those ends here. Others are longer and get passed on to other functions from this one. */ void process_escape_seq(void) { unsigned char ch = cmd_getc(); switch (ch) { case '#': if (cmd_getc() == '8') scr_E(); break; case '(': scr_charset_set(0, cmd_getc()); break; case ')': scr_charset_set(1, cmd_getc()); break; case '*': scr_charset_set(2, cmd_getc()); break; case '+': scr_charset_set(3, cmd_getc()); break; #ifdef MULTI_CHARSET case '$': scr_charset_set(-2, cmd_getc()); break; #endif case '7': scr_cursor(SAVE); break; case '8': scr_cursor(RESTORE); break; case '=': case '>': PrivMode((ch == '='), PrivMode_aplKP); break; case '@': (void) cmd_getc(); break; case 'D': scr_index(UP); break; case 'E': scr_add_lines((unsigned char *) "\n\r", 1, 2); break; case 'G': if ((ch = cmd_getc()) == 'Q') { /* query graphics */ tt_printf((unsigned char *) "\033G0\n"); /* no graphics */ } else { do { ch = cmd_getc(); } while (ch != ':'); } break; case 'H': scr_set_tab(1); break; case 'M': scr_index(DN); break; case 'Z': tt_printf((unsigned char *) ESCZ_ANSWER); break; case '[': process_csi_seq(); break; case ']': process_xterm_seq(); break; case 'c': scr_poweron(); break; case 'n': scr_charset_choose(2); break; case 'o': scr_charset_choose(3); break; } } /* This function handles Code Sequence Introducer (CSI) escape sequences. At this point, we've read "\e[" from the input stream. CSI sequences take an arbitrary number of parameters and are used almost exclusively for terminal window navigation and manipulation. */ void process_csi_seq(void) { unsigned char ch, priv; unsigned int nargs; int arg[ESC_ARGS]; nargs = 0; arg[0] = 0; arg[1] = 0; priv = 0; ch = cmd_getc(); /* Get the next character */ if (ch >= '<' && ch <= '?') { priv = ch; /* DEC private mode sequence. Get next character. */ ch = cmd_getc(); } /* Read semicolon-delimited numerical arguments, if any. */ do { int n; for (n = 0; isdigit(ch); ch = cmd_getc()) n = n * 10 + (ch - '0'); if (nargs < ESC_ARGS) arg[nargs++] = n; if (ch == '\b') { scr_backspace(); } else if (ch == 033) { cmd_ungetc(); /* New escape sequence starting in the middle of one. Punt. */ return; } else if (ch < ' ') { scr_add_lines(&ch, 0, 1); /* Insert verbatim non-printable character (NPC) */ return; } if (ch < '@') ch = cmd_getc(); /* Separator. Go to next digit or operation. */ } while (ch >= ' ' && ch < '@'); if (ch == 033) { cmd_ungetc(); return; } else if (ch < ' ') return; /* An NPC. Punt. */ switch (ch) { #ifdef PRINTPIPE case 'i': switch (arg[0]) { case 0: scr_printscreen(0); /* Print screen "\e[0i" */ break; case 5: process_print_pipe(); /* Start printing to print pipe "\e[5i" */ break; } break; #endif case 'A': case 'e': /* Cursor up n lines "\e[A" */ scr_gotorc((arg[0] ? -arg[0] : -1), 0, RELATIVE); break; case 'B': /* Cursor down n lines "\e[B" */ scr_gotorc((arg[0] ? +arg[0] : +1), 0, RELATIVE); break; case 'C': case 'a': /* Cursor right n columns "\e[C" */ scr_gotorc(0, (arg[0] ? +arg[0] : +1), RELATIVE); break; case 'D': /* Cursor left n columns "\e[D" */ scr_gotorc(0, (arg[0] ? -arg[0] : -1), RELATIVE); break; case 'E': /* Cursor down n lines and to first column "\e[E" */ scr_gotorc((arg[0] ? +arg[0] : +1), 0, R_RELATIVE); break; case 'F': /* Cursor up n lines and to first column "\e[F" */ scr_gotorc((arg[0] ? -arg[0] : -1), 0, R_RELATIVE); break; case 'G': case '`': /* Cursor to column n "\e[G" */ scr_gotorc(0, (arg[0] ? arg[0] - 1 : +1), R_RELATIVE); break; case 'd': /* Cursor to row n "\e[d" */ scr_gotorc((arg[0] ? arg[0] - 1 : +1), 0, C_RELATIVE); break; case 'H': case 'f': /* Cursor to row r, column c "\e[;H" */ switch (nargs) { case 0: scr_gotorc(0, 0, 0); break; case 1: scr_gotorc((arg[0] ? arg[0] - 1 : 0), 0, 0); break; default: scr_gotorc(arg[0] - 1, arg[1] - 1, 0); break; } break; case 'I': /* Tab right n tab stops "\e[I" */ scr_tab(arg[0] ? +arg[0] : +1); break; case 'Z': /* Tab left n tab stops "\e[Z" */ scr_tab(arg[0] ? -arg[0] : -1); break; case 'J': /* Clear part or all of screen, depending on n "\e[J" */ scr_erase_screen(arg[0]); break; case 'K': /* Clear part or all of line, depending on n "\e[K" */ scr_erase_line(arg[0]); break; case '@': scr_insdel_chars((arg[0] ? arg[0] : 1), INSERT); break; case 'L': scr_insdel_lines((arg[0] ? arg[0] : 1), INSERT); break; case 'M': scr_insdel_lines((arg[0] ? arg[0] : 1), DELETE); break; case 'X': scr_insdel_chars((arg[0] ? arg[0] : 1), ERASE); break; case 'P': scr_insdel_chars((arg[0] ? arg[0] : 1), DELETE); break; case 'c': #ifndef NO_VT100_ANS tt_printf(VT100_ANS); #endif break; case 'm': process_sgr_mode(nargs, arg); break; case 'n': /* request for information */ switch (arg[0]) { case 5: tt_printf((unsigned char *) "\033[0n"); break; /* ready */ case 6: scr_report_position(); break; #if defined (ENABLE_DISPLAY_ANSWER) case 7: tt_write((unsigned char *) display_name, strlen(display_name)); tt_write("\n", 1); break; #endif case 8: xterm_seq(XTerm_title, APL_NAME "-" VERSION); break; case 9: #ifdef PIXMAP_OFFSET if (image_mode_is(image_bg, MODE_TRANS)) { char tbuff[70]; char shading = 0; unsigned long tint = 0xffffff; if (images[image_bg].current->iml->mod) { shading = images[image_bg].current->iml->mod->brightness / 0xff * 100; } if (images[image_bg].current->iml->rmod) { tint = (tint & 0x00ffff) | ((images[image_bg].current->iml->rmod->brightness & 0xff) << 16); } if (images[image_bg].current->iml->gmod) { tint = (tint & 0xff00ff) | ((images[image_bg].current->iml->gmod->brightness & 0xff) << 8); } if (images[image_bg].current->iml->bmod) { tint = (tint & 0xffff00) | (images[image_bg].current->iml->bmod->brightness & 0xff); } snprintf(tbuff, sizeof(tbuff), APL_NAME "-" VERSION ": Transparent - %d%% shading - 0x%06lx tint mask", shading, tint); xterm_seq(XTerm_title, tbuff); } else #endif #ifdef PIXMAP_SUPPORT { char *tbuff; unsigned short len; if (background_is_pixmap()) { char *fname = images[image_bg].current->iml->im->filename; len = strlen(fname) + sizeof(APL_NAME) + sizeof(VERSION) + 5; tbuff = MALLOC(len); snprintf(tbuff, len, APL_NAME "-" VERSION ": %s", fname); xterm_seq(XTerm_title, tbuff); FREE(tbuff); } else { xterm_seq(XTerm_title, APL_NAME "-" VERSION ": No Pixmap"); } } #endif /* PIXMAP_SUPPORT */ break; } break; case 'r': /* set top and bottom margins */ if (priv != '?') { if (nargs < 2 || arg[0] >= arg[1]) scr_scroll_region(0, 10000); else scr_scroll_region(arg[0] - 1, arg[1] - 1); break; } /* drop */ case 't': if (priv != '?') { process_window_mode(nargs, arg); break; } /* drop */ case 's': if (ch == 's' && !nargs) { scr_cursor(SAVE); break; } /* drop */ case 'h': case 'l': process_terminal_mode(ch, priv, nargs, arg); break; case 'u': if (!nargs) { scr_cursor(RESTORE); } break; case 'g': switch (arg[0]) { case 0: scr_set_tab(0); break; /* delete tab */ case 3: scr_set_tab(-1); break; /* clear all tabs */ } break; case 'W': switch (arg[0]) { case 0: scr_set_tab(1); break; /* = ESC H */ case 2: scr_set_tab(0); break; /* = ESC [ 0 g */ case 5: scr_set_tab(-1); break; /* = ESC [ 3 g */ } break; } } /* process xterm text parameters sequences `ESC ] Ps ; Pt BEL' */ void process_xterm_seq(void) { unsigned char ch, string[STRING_MAX]; int arg; ch = cmd_getc(); if (isdigit(ch)) { for (arg = 0; isdigit(ch); ch = cmd_getc()) { arg = arg * 10 + (ch - '0'); } } else if (ch == ';') { arg = 0; } else { arg = ch; ch = cmd_getc(); } if (ch == ';') { unsigned long n = 0; while ((ch = cmd_getc()) != 007) { if (ch) { if (ch == '\t') ch = ' '; /* translate '\t' to space */ else if ((ch < ' ') && !(isspace(ch) && arg == XTerm_EtermIPC)) return; /* control character - exit */ if (n < sizeof(string) - 1) string[n++] = ch; } } string[n] = '\0'; xterm_seq(arg, (char *) string); } else { unsigned long n = 0; for (; ch != '\033'; ch = cmd_getc()) { if (ch) { if (ch == '\t') ch = ' '; /* translate '\t' to space */ else if (ch < ' ') return; /* control character - exit */ if (n < sizeof(string) - 1) string[n++] = ch; } } string[n] = '\0'; if ((ch = cmd_getc()) != '\\') { return; } switch (arg) { case 'l': xterm_seq(XTerm_title, (char *) string); break; case 'L': xterm_seq(XTerm_iconName, (char *) string); break; case 'I': set_icon_pixmap((char *) string, NULL); break; default: break; } } } /* Process window manipulations */ void process_window_mode(unsigned int nargs, int args[]) { register unsigned int i; int x, y; Screen *scr; Window dummy_child; char buff[128], *name; if (!nargs) return; scr = ScreenOfDisplay(Xdisplay, Xscreen); if (!scr) return; for (i = 0; i < nargs; i++) { if (args[i] == 14) { int dummy_x, dummy_y; unsigned int dummy_border, dummy_depth; /* Store current width and height in x and y */ XGetGeometry(Xdisplay, TermWin.parent, &dummy_child, &dummy_x, &dummy_y, (unsigned int *) (&x), (unsigned int *) (&y), &dummy_border, &dummy_depth); } switch (args[i]) { case 1: XRaiseWindow(Xdisplay, TermWin.parent); break; case 2: XIconifyWindow(Xdisplay, TermWin.parent, Xscreen); break; case 3: if (i + 2 >= nargs) return; /* Make sure there are 2 args left */ x = args[++i]; y = args[++i]; if (((unsigned int) x > (unsigned int) scr->width) || ((unsigned int) y > (unsigned int) scr->height)) return; /* Don't move off-screen */ XMoveWindow(Xdisplay, TermWin.parent, x, y); break; case 4: if (i + 2 >= nargs) return; /* Make sure there are 2 args left */ y = args[++i]; x = args[++i]; XResizeWindow(Xdisplay, TermWin.parent, x, y); #ifdef USE_XIM xim_set_status_position(); #endif break; case 5: XRaiseWindow(Xdisplay, TermWin.parent); break; case 6: XLowerWindow(Xdisplay, TermWin.parent); break; case 7: XClearWindow(Xdisplay, TermWin.vt); XSync(Xdisplay, False); scr_touch(); scr_refresh(DEFAULT_REFRESH); break; case 8: if (i + 2 >= nargs) return; /* Make sure there are 2 args left */ y = args[++i]; x = args[++i]; XResizeWindow(Xdisplay, TermWin.parent, Width2Pixel(x) + 2 * TermWin.internalBorder + (scrollbar_is_visible()? scrollbar_trough_width() : 0), Height2Pixel(y) + 2 * TermWin.internalBorder); break; case 11: break; case 13: XTranslateCoordinates(Xdisplay, TermWin.parent, Xroot, 0, 0, &x, &y, &dummy_child); snprintf(buff, sizeof(buff), "\033[3;%d;%dt", x, y); tt_write((unsigned char *) buff, strlen(buff)); break; case 14: snprintf(buff, sizeof(buff), "\033[4;%d;%dt", y, x); tt_write((unsigned char *) buff, strlen(buff)); break; case 18: snprintf(buff, sizeof(buff), "\033[8;%d;%dt", TermWin.nrow, TermWin.ncol); tt_write((unsigned char *) buff, strlen(buff)); break; case 20: XGetIconName(Xdisplay, TermWin.parent, &name); snprintf(buff, sizeof(buff), "\033]L%s\033\\", name); tt_write((unsigned char *) buff, strlen(buff)); XFree(name); break; case 21: XFetchName(Xdisplay, TermWin.parent, &name); snprintf(buff, sizeof(buff), "\033]l%s\033\\", name); tt_write((unsigned char *) buff, strlen(buff)); XFree(name); break; default: break; } } } /* process DEC private mode sequences `ESC [ ? Ps mode' */ /* * mode can only have the following values: * 'l' = low * 'h' = high * 's' = save * 'r' = restore * 't' = toggle */ void process_terminal_mode(int mode, int priv, unsigned int nargs, int arg[]) { unsigned int i; int state; if (nargs == 0) return; /* make lo/hi boolean */ switch (mode) { case 'l': mode = 0; break; case 'h': mode = 1; break; } switch (priv) { case 0: if (mode && mode != 1) return; /* only do high/low */ for (i = 0; i < nargs; i++) switch (arg[i]) { case 4: scr_insert_mode(mode); break; /* case 38: TEK mode */ } break; case '?': for (i = 0; i < nargs; i++) switch (arg[i]) { case 1: /* application cursor keys */ PrivCases(PrivMode_aplCUR); break; /* case 2: - reset charsets to USASCII */ case 3: /* 80/132 */ PrivCases(PrivMode_132); if (PrivateModes & PrivMode_132OK) set_width(state ? 132 : 80); break; /* case 4: - smooth scrolling */ case 5: /* reverse video */ PrivCases(PrivMode_rVideo); scr_rvideo_mode(state); break; case 6: /* relative/absolute origins */ PrivCases(PrivMode_relOrigin); scr_relative_origin(state); break; case 7: /* autowrap */ PrivCases(PrivMode_Autowrap); scr_autowrap(state); break; /* case 8: - auto repeat, can't do on a per window basis */ case 9: /* X10 mouse reporting */ PrivCases(PrivMode_MouseX10); /* orthogonal */ if (PrivateModes & PrivMode_MouseX10) PrivateModes &= ~(PrivMode_MouseX11); break; #ifdef scrollbar_esc case scrollbar_esc: PrivCases(PrivMode_scrollbar); map_scrollbar(state); break; #endif case 25: /* visible/invisible cursor */ PrivCases(PrivMode_VisibleCursor); scr_cursor_visible(state); break; case 35: PrivCases(PrivMode_ShiftKeys); break; case 40: /* 80 <--> 132 mode */ PrivCases(PrivMode_132OK); break; case 47: /* secondary screen */ PrivCases(PrivMode_Screen); scr_change_screen(state); break; case 66: /* application key pad */ PrivCases(PrivMode_aplKP); break; case 67: PrivCases(PrivMode_BackSpace); break; case 1000: /* X11 mouse reporting */ PrivCases(PrivMode_MouseX11); /* orthogonal */ if (PrivateModes & PrivMode_MouseX11) PrivateModes &= ~(PrivMode_MouseX10); break; #if 0 case 1001: break; /* X11 mouse highlighting */ #endif case 1010: /* Scroll to bottom on TTY output */ if (Options & Opt_home_on_output) Options &= ~Opt_home_on_output; else Options |= Opt_home_on_output; break; case 1012: /* Scroll to bottom on TTY input */ if (Options & Opt_home_on_input) Options &= ~Opt_home_on_input; else Options |= Opt_home_on_input; break; } break; } } /* process sgr sequences */ void process_sgr_mode(unsigned int nargs, int arg[]) { unsigned int i; if (nargs == 0) { scr_rendition(0, ~RS_None); return; } for (i = 0; i < nargs; i++) switch (arg[i]) { case 0: scr_rendition(0, ~RS_None); break; case 1: scr_rendition(1, RS_Bold); break; case 4: scr_rendition(1, RS_Uline); break; case 5: scr_rendition(1, RS_Blink); break; case 7: scr_rendition(1, RS_RVid); break; case 22: scr_rendition(0, RS_Bold); break; case 24: scr_rendition(0, RS_Uline); break; case 25: scr_rendition(0, RS_Blink); break; case 27: scr_rendition(0, RS_RVid); break; case 30: case 31: /* set fg color */ case 32: case 33: case 34: case 35: case 36: case 37: scr_color(minColor + (arg[i] - 30), RS_Bold); break; case 39: /* default fg */ scr_color(restoreFG, RS_Bold); break; case 40: case 41: /* set bg color */ case 42: case 43: case 44: case 45: case 46: case 47: scr_color(minColor + (arg[i] - 40), RS_Blink); break; case 49: /* default bg */ scr_color(restoreBG, RS_Blink); break; } } /* find if fg/bg matches any of the normal (low-intensity) colors */ #ifndef NO_BRIGHTCOLOR void set_colorfgbg(void) { unsigned int i; static char *colorfgbg_env = NULL; char *p; int fg = -1, bg = -1; if (!colorfgbg_env) { colorfgbg_env = (char *) MALLOC(30); strcpy(colorfgbg_env, "COLORFGBG=default;default;bg"); } for (i = BlackColor; i <= WhiteColor; i++) { if (PixColors[fgColor] == PixColors[i]) { fg = (i - BlackColor); break; } } for (i = BlackColor; i <= WhiteColor; i++) { if (PixColors[bgColor] == PixColors[i]) { bg = (i - BlackColor); break; } } p = strchr(colorfgbg_env, '='); p++; if (fg >= 0) sprintf(p, "%d;", fg); else strcpy(p, "default;"); p = strchr(p, '\0'); if (bg >= 0) sprintf(p, # ifdef PIXMAP_SUPPORT "default;" # endif "%d", bg); else strcpy(p, "default"); putenv(colorfgbg_env); colorfgbg = DEFAULT_RSTYLE; for (i = minColor; i <= maxColor; i++) { if (PixColors[fgColor] == PixColors[i] # ifndef NO_BOLDUNDERLINE && PixColors[fgColor] == PixColors[colorBD] # endif /* NO_BOLDUNDERLINE */ /* if we wanted boldFont to have precedence */ # if 0 /* ifndef NO_BOLDFONT */ && TermWin.boldFont == NULL # endif /* NO_BOLDFONT */ ) colorfgbg = SET_FGCOLOR(colorfgbg, i); if (PixColors[bgColor] == PixColors[i]) colorfgbg = SET_BGCOLOR(colorfgbg, i); } } #endif /* NO_BRIGHTCOLOR */ static void set_title(const char *str) { static char *name = NULL; if (!str) { str = APL_NAME "-" VERSION; } if (name == NULL || strcmp(name, str)) { if (name != NULL) { FREE(name); } D_X11(("Setting window title to \"%s\"\n", str)); XStoreName(Xdisplay, TermWin.parent, str); name = StrDup(str); } } static void set_icon_name(const char *str) { static char *name = NULL; if (!str) str = APL_NAME "-" VERSION; if (name == NULL || strcmp(name, str)) { if (name != NULL) { FREE(name); } D_X11(("Setting window icon name to \"%s\"\n", str)); XSetIconName(Xdisplay, TermWin.parent, str); name = StrDup(str); } } /* * XTerm escape sequences: ESC ] Ps;Pt BEL * 0 = change iconName/title * 1 = change iconName * 2 = change title * 46 = change logfile (not implemented) * 50 = change font * * rxvt/Eterm extensions: * 5 = Hostile takeover (grab focus and raise) * 6 = Transparency mode stuff * 10 = menu * 20 = bg pixmap * 39 = change default fg color * 49 = change default bg color */ void xterm_seq(int op, const char *str) { XColor xcol; char *nstr, *tnstr, *orig_tnstr, *valptr; unsigned char eterm_seq_op, which = 0; #ifdef PIXMAP_SUPPORT unsigned char changed = 0, scaled = 0; char *color, *mod; #endif if (!str) return; #ifdef PIXMAP_SUPPORT orig_tnstr = tnstr = StrDup(str); #endif switch (op) { case XTerm_title: set_title(str); break; case XTerm_prop: if ((nstr = (char *) strsep(&tnstr, ";")) == NULL) { break; } if ((valptr = strchr(nstr, '=')) != NULL) { *(valptr++) = 0; } set_text_property(TermWin.parent, nstr, valptr); break; case XTerm_name: set_title(str); /* drop */ case XTerm_iconName: set_icon_name(str); break; case XTerm_Takeover: XSetInputFocus(Xdisplay, TermWin.parent, RevertToParent, CurrentTime); XRaiseWindow(Xdisplay, TermWin.parent); break; case XTerm_EtermSeq: /* Eterm proprietary escape sequences Syntax: ESC ] 6 ; ; BEL where is: 0 Set/toggle transparency 1 Set color modifiers 3 Force update of pseudo-transparent background 10 Set scrollbar type/width 11 Set/toggle right-side scrollbar 12 Set/toggle floating scrollbar 13 Set/toggle popup scrollbar 20 Set/toggle visual bell 21 Set/toggle map alert 22 Set/toggle xterm selection behavior 23 Set/toggle triple-click line selection 24 Set/toggle viewport mode 25 Set/toggle selection of trailing spaces 30 Do not use 40 Do not use 50 Move window to another desktop 70 Exit Eterm 71 Save current configuration to a file 72 Search scrollback for a string and is an optional argument, depending on the particular sequence being used. It (along with its preceeding semicolon) may or may not be needed. */ D_CMD(("Got XTerm_EtermSeq sequence\n")); nstr = (char *) strsep(&tnstr, ";"); eterm_seq_op = (unsigned char) strtol(nstr, (char **) NULL, 10); D_CMD((" XTerm_EtermSeq operation is %d\n", eterm_seq_op)); /* Yes, there is order to the numbers for this stuff. And here it is: 0-9 Image Class/Mode Configuration 10-19 Scrollbar/Buttonbar/Menu Configuration 20-29 Miscellaneous Toggles 30-39 Foreground/Text Color Configuration 40-49 Background Color Configuration 50-69 Window/Window Manager Configuration/Interaction 70-79 Internal Eterm Operations */ switch (eterm_seq_op) { #ifdef PIXMAP_OFFSET case 0: nstr = (char *) strsep(&tnstr, ";"); if (nstr) { if (BOOL_OPT_ISTRUE(nstr)) { D_CMD((" Request to enable transparency.\n")); FOREACH_IMAGE(if (!image_mode_is(idx, MODE_TRANS) && image_mode_is(idx, ALLOW_TRANS)) { \ image_set_mode(idx, MODE_TRANS); \ if (images[idx].current->pmap->pixmap != None) { \ Imlib_free_pixmap(imlib_id, images[idx].current->pmap->pixmap); \ } \ images[idx].current->pmap->pixmap = None; \ }); } else if (BOOL_OPT_ISFALSE(nstr)) { D_CMD((" Request to disable transparency.\n")); FOREACH_IMAGE(if (image_mode_is(idx, MODE_TRANS)) {if (image_mode_is(idx, ALLOW_IMAGE)) {image_set_mode(idx, MODE_IMAGE);} else {image_set_mode(idx, MODE_SOLID);}}); } else { D_CMD((" Bad boolean value in transparency request.\n")); break; } } else { D_CMD((" Request to toggle transparency.\n")); FOREACH_IMAGE(if (!image_mode_is(idx, MODE_TRANS) && image_mode_is(idx, ALLOW_TRANS)) { \ image_set_mode(idx, MODE_TRANS); \ if (images[idx].current->pmap->pixmap != None) { \ Imlib_free_pixmap(imlib_id, images[idx].current->pmap->pixmap); \ } \ images[idx].current->pmap->pixmap = None; \ } else if (image_mode_is(idx, MODE_TRANS)) {if (image_mode_is(idx, ALLOW_IMAGE)) {image_set_mode(idx, MODE_IMAGE);} else {image_set_mode(idx, MODE_SOLID);}}); } redraw_all_images(); break; case 1: changed = 0; for (; 1;) { if ((color = (char *) strsep(&tnstr, ";")) == NULL) { break; } if ((strlen(color) == 2) || (!strcasecmp(color, "down"))) { /* They specified an image index */ if (!strcasecmp(color, "bg")) { which = image_bg; } else if (!strcasecmp(color, "sb")) { which = image_sb; } else if (!strcasecmp(color, "sa")) { which = image_sa; } else if (!strcasecmp(color, "up")) { which = image_up; } else if (!strcasecmp(color, "down")) { which = image_down; } else { break; } if ((color = (char *) strsep(&tnstr, ";")) == NULL) { break; } } else { which = image_bg; } if ((mod = (char *) strsep(&tnstr, ";")) == NULL) { break; } if (!strcasecmp(mod, "clear")) { imlib_t *iml = images[which].current->iml; D_CMD(("Clearing the %s color modifier of the %s image\n", color, get_image_type(which))); if (!strcasecmp(color, "image")) { FREE(iml->mod); } else if (!strcasecmp(color, "red")) { FREE(iml->rmod); } else if (!strcasecmp(color, "green")) { FREE(iml->gmod); } else if (!strcasecmp(color, "blue")) { FREE(iml->bmod); } if (image_mode_is(which, MODE_TRANS) && (desktop_pixmap != None)) { free_desktop_pixmap(); } else if (image_mode_is(which, MODE_VIEWPORT) && (viewport_pixmap != None)) { XFreePixmap(Xdisplay, viewport_pixmap); viewport_pixmap = None; /* Force the re-read */ } changed = 1; continue; } if ((valptr = (char *) strsep(&tnstr, ";")) == NULL) { break; } D_CMD(("Modifying the %s attribute of the %s color modifier of the %s image to be %s\n", mod, color, get_image_type(which), valptr)); changed = 1; if (image_mode_is(which, MODE_TRANS) && (desktop_pixmap != None)) { free_desktop_pixmap(); } else if (image_mode_is(which, MODE_VIEWPORT) && (viewport_pixmap != None)) { XFreePixmap(Xdisplay, viewport_pixmap); viewport_pixmap = None; /* Force the re-read */ } if (!strcasecmp(color, "image")) { imlib_t *iml = images[which].current->iml; if (iml->mod == NULL) { iml->mod = (ImlibColorModifier *) MALLOC(sizeof(ImlibColorModifier)); iml->mod->brightness = iml->mod->contrast = iml->mod->gamma = 0xff; } if (!BEG_STRCASECMP("brightness", mod)) { iml->mod->brightness = (int) strtol(valptr, (char **) NULL, 0); } else if (!BEG_STRCASECMP("contrast", mod)) { iml->mod->contrast = (int) strtol(valptr, (char **) NULL, 0); } else if (!BEG_STRCASECMP("gamma", mod)) { iml->mod->gamma = (int) strtol(valptr, (char **) NULL, 0); } } else if (!strcasecmp(color, "red")) { imlib_t *iml = images[which].current->iml; if (iml->rmod == NULL) { iml->rmod = (ImlibColorModifier *) MALLOC(sizeof(ImlibColorModifier)); iml->rmod->brightness = iml->rmod->contrast = iml->rmod->gamma = 0xff; } if (!BEG_STRCASECMP("brightness", mod)) { iml->rmod->brightness = (int) strtol(valptr, (char **) NULL, 0); } else if (!BEG_STRCASECMP("contrast", mod)) { iml->rmod->contrast = (int) strtol(valptr, (char **) NULL, 0); } else if (!BEG_STRCASECMP("gamma", mod)) { iml->rmod->gamma = (int) strtol(valptr, (char **) NULL, 0); } } else if (!strcasecmp(color, "green")) { imlib_t *iml = images[which].current->iml; if (iml->gmod == NULL) { iml->gmod = (ImlibColorModifier *) MALLOC(sizeof(ImlibColorModifier)); iml->gmod->brightness = iml->gmod->contrast = iml->gmod->gamma = 0xff; } if (!BEG_STRCASECMP("brightness", mod)) { iml->gmod->brightness = (int) strtol(valptr, (char **) NULL, 0); } else if (!BEG_STRCASECMP("contrast", mod)) { iml->gmod->contrast = (int) strtol(valptr, (char **) NULL, 0); } else if (!BEG_STRCASECMP("gamma", mod)) { iml->gmod->gamma = (int) strtol(valptr, (char **) NULL, 0); } } else if (!strcasecmp(color, "blue")) { imlib_t *iml = images[which].current->iml; if (iml->bmod == NULL) { iml->bmod = (ImlibColorModifier *) MALLOC(sizeof(ImlibColorModifier)); iml->bmod->brightness = iml->bmod->contrast = iml->bmod->gamma = 0xff; } if (!BEG_STRCASECMP("brightness", mod)) { iml->bmod->brightness = (int) strtol(valptr, (char **) NULL, 0); } else if (!BEG_STRCASECMP("contrast", mod)) { iml->bmod->contrast = (int) strtol(valptr, (char **) NULL, 0); } else if (!BEG_STRCASECMP("gamma", mod)) { iml->bmod->gamma = (int) strtol(valptr, (char **) NULL, 0); } } } if (changed) { redraw_all_images(); } break; case 3: get_desktop_window(); if (desktop_window == None) { FOREACH_IMAGE(if (image_mode_is(idx, MODE_TRANS)) {image_set_mode(idx, MODE_IMAGE); image_allow_mode(idx, ALLOW_IMAGE);}); break; } get_desktop_pixmap(); redraw_images_by_mode(MODE_TRANS | MODE_VIEWPORT); break; #endif case 10: nstr = (char *) strsep(&tnstr, ";"); if (nstr && *nstr) { if (!strcasecmp(nstr, "xterm")) { #ifdef XTERM_SCROLLBAR scrollbar_change_type(SCROLLBAR_XTERM); #else print_error("Support for xterm scrollbars was not compiled in. Sorry."); #endif } else if (!strcasecmp(nstr, "next")) { #ifdef NEXT_SCROLLBAR scrollbar_change_type(SCROLLBAR_NEXT); #else print_error("Support for NeXT scrollbars was not compiled in. Sorry."); #endif } else if (!strcasecmp(nstr, "motif")) { #ifdef MOTIF_SCROLLBAR scrollbar_change_type(SCROLLBAR_MOTIF); #else print_error("Support for motif scrollbars was not compiled in. Sorry."); #endif } else { print_error("Unrecognized scrollbar type \"%s\".", nstr); } } nstr = (char *) strsep(&tnstr, ";"); if (nstr && *nstr) { scrollbar_change_width((unsigned short) strtoul(nstr, (char **) NULL, 0)); } break; case 11: nstr = (char *) strsep(&tnstr, ";"); OPT_SET_OR_TOGGLE(nstr, Options, Opt_scrollbar_right); scr_touch(); parent_resize(); break; case 12: nstr = (char *) strsep(&tnstr, ";"); OPT_SET_OR_TOGGLE(nstr, Options, Opt_scrollbar_floating); scrollbar_reposition_and_always_draw(); break; case 13: nstr = (char *) strsep(&tnstr, ";"); OPT_SET_OR_TOGGLE(nstr, Options, Opt_scrollbar_popup); break; case 14: nstr = (char *) strsep(&tnstr, ";"); if (!(nstr) || !(*(nstr))) { bbar_show_all(-1); parent_resize(); } else if (BOOL_OPT_ISTRUE(nstr)) { bbar_show_all(1); parent_resize(); } else if (BOOL_OPT_ISFALSE(nstr)) { bbar_show_all(0); parent_resize(); } break; case 20: nstr = (char *) strsep(&tnstr, ";"); OPT_SET_OR_TOGGLE(nstr, Options, Opt_visualBell); break; #ifdef MAPALERT_OPTION case 21: nstr = (char *) strsep(&tnstr, ";"); OPT_SET_OR_TOGGLE(nstr, Options, Opt_mapAlert); break; #endif case 22: nstr = (char *) strsep(&tnstr, ";"); OPT_SET_OR_TOGGLE(nstr, Options, Opt_xterm_select); break; case 23: nstr = (char *) strsep(&tnstr, ";"); OPT_SET_OR_TOGGLE(nstr, Options, Opt_select_whole_line); break; case 24: nstr = (char *) strsep(&tnstr, ";"); FOREACH_IMAGE(if (!image_mode_is(idx, MODE_VIEWPORT) && image_mode_is(idx, ALLOW_VIEWPORT)) {image_set_mode(idx, MODE_VIEWPORT);}); redraw_images_by_mode(MODE_VIEWPORT); break; case 25: nstr = (char *) strsep(&tnstr, ";"); OPT_SET_OR_TOGGLE(nstr, Options, Opt_select_trailing_spaces); break; case 26: nstr = (char *) strsep(&tnstr, ";"); OPT_SET_OR_TOGGLE(nstr, Options, Opt_report_as_keysyms); break; case 30: nstr = (char *) strsep(&tnstr, ";"); if (nstr) { if (XParseColor(Xdisplay, cmap, nstr, &xcol) && XAllocColor(Xdisplay, cmap, &xcol)) { PixColors[fgColor] = xcol.pixel; scr_refresh(DEFAULT_REFRESH); } } break; case 40: nstr = (char *) strsep(&tnstr, ";"); if (nstr) { if (XParseColor(Xdisplay, cmap, nstr, &xcol) && XAllocColor(Xdisplay, cmap, &xcol)) { PixColors[bgColor] = xcol.pixel; scr_refresh(DEFAULT_REFRESH); } } break; case 50: /* Change desktops */ nstr = (char *) strsep(&tnstr, ";"); if (nstr && *nstr) { XClientMessageEvent xev; rs_desktop = (int) strtol(nstr, (char **) NULL, 0); xev.type = ClientMessage; xev.window = TermWin.parent; xev.message_type = XInternAtom(Xdisplay, "_WIN_WORKSPACE", False); xev.format = 32; xev.data.l[0] = rs_desktop; XChangeProperty(Xdisplay, TermWin.parent, xev.message_type, XA_CARDINAL, 32, PropModeReplace, (unsigned char *) &rs_desktop, 1); XSendEvent(Xdisplay, Xroot, False, SubstructureNotifyMask, (XEvent *) & xev); } break; case 70: /* Exit Eterm */ exit(0); break; case 71: /* Save current config */ nstr = (char *) strsep(&tnstr, ";"); if (nstr && *nstr) { save_config(nstr); } else { save_config(NULL); } break; case 72: /* Search scrollback buffer for a string. NULL to clear. */ nstr = (char *) strsep(&tnstr, ";"); if (nstr && *nstr) { scr_search_scrollback(nstr); } else { scr_search_scrollback(NULL); } break; case 73: /* Spawn a subprogram */ nstr = (char *) strsep(&tnstr, ";"); if (nstr && *nstr) { system_no_wait(nstr); } break; case 80: /* Set debugging level */ nstr = (char *) strsep(&tnstr, ";"); if (nstr && *nstr) { debug_level = (unsigned int) strtoul(nstr, (char **) NULL, 0); } break; default: break; } break; case XTerm_Pixmap: #ifdef PIXMAP_SUPPORT FOREACH_IMAGE(if (!image_mode_is(idx, MODE_IMAGE) && image_mode_is(idx, ALLOW_IMAGE)) {image_set_mode(idx, MODE_IMAGE);}); if (!strcmp(str, ";")) { image_set_mode(image_bg, MODE_SOLID); bg_needs_update = 1; } else { nstr = (char *) strsep(&tnstr, ";"); if (nstr) { if (*nstr) { set_pixmap_scale("", images[image_bg].current->pmap); bg_needs_update = 1; load_image(nstr, images[image_bg].current); } while ((nstr = (char *) strsep(&tnstr, ";")) && *nstr) { changed += set_pixmap_scale(nstr, images[image_bg].current->pmap); scaled = 1; } } else { image_set_mode(image_bg, MODE_SOLID); bg_needs_update = 1; } } if ((changed) || (bg_needs_update)) { redraw_image(image_bg); } #endif /* PIXMAP_SUPPORT */ break; case XTerm_EtermIPC: for (; (nstr = (char *) strsep(&tnstr, ";"));) { eterm_ipc_parse(nstr); } break; case XTerm_restoreFG: #ifdef XTERM_COLOR_CHANGE set_window_color(fgColor, str); #endif break; case XTerm_restoreBG: #ifdef XTERM_COLOR_CHANGE set_window_color(bgColor, str); #endif break; case XTerm_DumpScreen: nstr = (char *) strsep(&tnstr, ";"); if (nstr && *nstr) { scr_dump_to_file(nstr); } break; case XTerm_logfile: nstr = (char *) strsep(&tnstr, ";"); if (nstr && *nstr && BOOL_OPT_ISTRUE(nstr)) { /* Logging on */ } else { /* Logging off */ } break; case XTerm_font: change_font(0, str); break; default: D_CMD(("Unsupported xterm escape sequence operator: 0x%02x\n", op)); break; } #ifdef PIXMAP_SUPPORT FREE(orig_tnstr); #endif }