/* $XConsortium: xedit.c,v 1.28 94/03/26 17:06:28 rws Exp $ */ /* * COPYRIGHT 1987 * DIGITAL EQUIPMENT CORPORATION * MAYNARD, MASSACHUSETTS * ALL RIGHTS RESERVED. * * THE INFORMATION IN THIS SOFTWARE IS SUBJECT TO CHANGE WITHOUT NOTICE AND * SHOULD NOT BE CONSTRUED AS A COMMITMENT BY DIGITAL EQUIPMENT CORPORATION. * DIGITAL MAKES NO REPRESENTATIONS ABOUT THE SUITABILITY OF THIS SOFTWARE FOR * ANY PURPOSE. IT IS SUPPLIED "AS IS" WITHOUT EXPRESS OR IMPLIED WARRANTY. * * IF THE SOFTWARE IS MODIFIED IN A MANNER CREATING DERIVATIVE COPYRIGHT RIGHTS, * APPROPRIATE LEGENDS MAY BE PLACED ON THE DERIVATIVE WORK IN ADDITION TO THAT * SET FORTH ABOVE. * * * Permission to use, copy, modify, and distribute this software and its * documentation for any purpose and without fee is hereby granted, provided * that the above copyright notice appear in all copies and that both that * copyright notice and this permission notice appear in supporting * documentation, and that the name of Digital Equipment Corporation not be * used in advertising or publicity pertaining to distribution of the software * without specific, written prior permission. */ /* $XFree86: xc/programs/xedit/xedit.c,v 1.17 2002/09/22 07:09:05 paulo Exp $ */ #include "xedit.h" #include #include #include #include #include #define randomize() srand((unsigned)time((time_t*)NULL)) static XtActionsRec actions[] = { {"quit", QuitAction}, {"save-file", SaveFile}, {"load-file", LoadFile}, {"find-file", FindFile}, {"cancel-find-file", CancelFindFile}, {"file-completion", FileCompletion}, {"popup-menu", PopupMenu}, {"kill-file", KillFile}, {"split-window", SplitWindow}, {"dir-window", DirWindow}, {"delete-window", DeleteWindow}, {"xedit-focus", XeditFocus}, {"other-window", OtherWindow}, {"switch-source", SwitchSource}, #ifndef __UNIXOS2__ {"lisp-eval", XeditLispEval}, {"xedit-print-lisp-eval", XeditPrintLispEval}, {"xedit-keyboard-reset",XeditKeyboardReset}, #endif {"ispell", IspellAction}, {"line-edit", LineEditAction}, {"tags", TagsAction} }; #define DEF_HINT_INTERVAL 300 /* in seconds, 5 minutes */ static Atom wm_delete_window; static Widget hintswindow; static int position_format_mask; static XawTextPositionInfo infos[3]; Widget topwindow, textwindow, messwidget, labelwindow, filenamewindow; Widget scratch, hpane, vpanes[2], labels[3], texts[3], forms[3], positions[3]; Widget options_popup, dirlabel, dirwindow; Boolean international; Boolean line_edit; XawTextWrapMode wrapmodes[3]; extern void ResetSourceChanged(xedit_flist_item*); static void makeButtonsAndBoxes(Widget); static void HintsTimer(XtPointer, XtIntervalId*); static void PositionChanged(Widget, XtPointer, XtPointer); static void StartFormatPosition(void); static void StartHints(void); Display *CurDpy; struct _app_resources app_resources; struct _xedit_flist flist; #define Offset(field) XtOffsetOf(struct _app_resources, field) static XtResource resources[] = { {"enableBackups", "EnableBackups", XtRBoolean, sizeof(Boolean), Offset(enableBackups), XtRImmediate, FALSE}, {"backupNamePrefix", "BackupNamePrefix", XtRString, sizeof(char *), Offset(backupNamePrefix),XtRString, ""}, {"backupNameSuffix", "BackupNameSuffix", XtRString, sizeof(char *), Offset(backupNameSuffix),XtRString, ".BAK"}, {"hints", "Hint", XtRString, sizeof(char *), Offset(hints.resource), XtRImmediate, NULL}, {"hintsInterval", XtCInterval, XtRInt, sizeof(long), Offset(hints.interval), XtRImmediate, (XtPointer)DEF_HINT_INTERVAL}, {"changedBitmap", XtRBitmap, XtRString, sizeof(char*), Offset(changed_pixmap_name), XtRString, "dot"}, {"positionFormat", "Format", XtRString, sizeof(char*), Offset(position_format), XtRString, "L%l"}, {"autoReplace", "Replace", XtRString, sizeof(char*), Offset(auto_replace), XtRImmediate, NULL}, {"tagsName", "TagsName", XtRString, sizeof(char *), Offset(tagsName), XtRString, "tags"}, {"loadTags", "LoadTags", XtRBoolean, sizeof(Boolean), Offset(loadTags), XtRImmediate, (XtPointer)TRUE}, }; #undef Offset int main(int argc, char *argv[]) { Boolean exists; char *filename; FileAccess file_access; Widget source; XtAppContext appcon; Boolean show_dir; xedit_flist_item *first_item; unsigned int i, lineno; lineno = 0; show_dir = FALSE; first_item = NULL; topwindow = XtAppInitialize(&appcon, "Xedit", NULL, 0, &argc, argv, NULL, NULL, 0); XtAppAddActions(appcon, actions, XtNumber(actions)); XtOverrideTranslations(topwindow, XtParseTranslationTable("WM_PROTOCOLS: quit()")); XtGetApplicationResources(topwindow, (XtPointer) &app_resources, resources, XtNumber(resources), NULL, 0); CurDpy = XtDisplay(topwindow); XawSimpleMenuAddGlobalActions(appcon); XtRegisterGrabAction(PopupMenu, True, ButtonPressMask | ButtonReleaseMask, GrabModeAsync, GrabModeAsync); makeButtonsAndBoxes(topwindow); StartHints(); StartFormatPosition(); (void)StartHooks(appcon); if (position_format_mask == 0) { for (i = 0; i < 3; i++) XtRemoveCallback(texts[i], XtNpositionCallback, PositionChanged, NULL); } XtRealizeWidget(topwindow); #ifndef __UNIXOS2__ XeditLispInitialize(); #endif options_popup = XtCreatePopupShell("optionsMenu", simpleMenuWidgetClass, topwindow, NULL, 0); XtRealizeWidget(options_popup); XtAddCallback(XtCreateManagedWidget("ispell", smeBSBObjectClass, options_popup, NULL, 0), XtNcallback, IspellCallback, NULL); CreateEditPopup(); wm_delete_window = XInternAtom(XtDisplay(topwindow), "WM_DELETE_WINDOW", False); (void)XSetWMProtocols(XtDisplay(topwindow), XtWindow(topwindow), &wm_delete_window, 1); /* This first call is just to save the default font and colors */ UpdateTextProperties(0); if (argc > 1) { xedit_flist_item *item; Arg args[2]; unsigned int num_args; for (i = 1; i < argc; i++) { struct stat st; if (argv[i][0] == '+') { char *endptr; lineno = strtol(argv[i], &endptr, 10); /* Don't warn about incorrect input? */ if (*endptr) lineno = 0; continue; } filename = ResolveName(argv[i]); if (filename == NULL || FindTextSource(NULL, filename) != NULL) continue; num_args = 0; if (stat(filename, &st) == 0 && !S_ISREG(st.st_mode)) { if (S_ISDIR(st.st_mode)) { if (!first_item) { char path[BUFSIZ + 1]; strncpy(path, filename, sizeof(path) - 2); path[sizeof(path) - 2] = '\0'; if (*path) { if (path[strlen(path) - 1] != '/') strcat(path, "/"); } else strcpy(path, "./"); XtSetArg(args[0], XtNlabel, ""); XtSetValues(dirlabel, args, 1); SwitchDirWindow(True); DirWindowCB(dirwindow, path, NULL); show_dir = True; } continue; } } switch (file_access = CheckFilePermissions(filename, &exists)) { case NO_READ: if (exists) XeditPrintf("File %s exists, and could not be opened for " "reading.\n", argv[i]); else XeditPrintf("File %s does not exist, and the directory " "could not be opened for writing.\n", argv[i]); break; case READ_OK: XtSetArg(args[num_args], XtNeditType, XawtextRead); num_args++; XeditPrintf("File %s opened READ ONLY.\n", argv[i]); break; case WRITE_OK: XtSetArg(args[num_args], XtNeditType, XawtextEdit); num_args++; XeditPrintf("File %s opened read - write.\n", argv[i]); break; } if (file_access != NO_READ) { int flags; if (exists) { flags = EXISTS_BIT; XtSetArg(args[num_args], XtNstring, filename);num_args++; } else { flags = 0; XtSetArg(args[num_args], XtNstring, NULL); num_args++; } source = XtVaCreateWidget("textSource", international ? multiSrcObjectClass : asciiSrcObjectClass, topwindow, XtNtype, XawAsciiFile, XtNeditType, XawtextEdit, NULL, NULL); XtSetValues(source, args, num_args); item = AddTextSource(source, argv[i], filename, flags, file_access); XtAddCallback(item->source, XtNcallback, SourceChanged, (XtPointer)item); if (exists && file_access == WRITE_OK) { item->mode = st.st_mode & (S_IRWXU | S_IRWXG | S_IRWXO); item->mtime = st.st_mtime; } if (!first_item && !show_dir) first_item = item; ResetSourceChanged(item); } } } if (!flist.pixmap && strlen(app_resources.changed_pixmap_name)) { XrmValue from, to; from.size = strlen(app_resources.changed_pixmap_name); from.addr = app_resources.changed_pixmap_name; to.size = sizeof(Pixmap); to.addr = (XtPointer)&(flist.pixmap); XtConvertAndStore(flist.popup, XtRString, &from, XtRBitmap, &to); } if (first_item == NULL) { XtSetKeyboardFocus(topwindow, filenamewindow); XtVaSetValues(textwindow, XtNwrap, XawtextWrapLine, NULL); } else { SwitchTextSource(first_item); XtSetKeyboardFocus(topwindow, textwindow); if (lineno) { XawTextPosition position; source = XawTextGetSource(textwindow); position = RSCAN(XawTextGetInsertionPoint(textwindow), lineno, False); position = LSCAN(position, 1, False); XawTextSetInsertionPoint(textwindow, position); } } XtAppMainLoop(appcon); return EXIT_SUCCESS; } static void makeButtonsAndBoxes(Widget parent) { Widget outer, b_row, viewport; Arg arglist[10]; Cardinal num_args; xedit_flist_item *item; static char *labelWindow = "labelWindow", *editWindow = "editWindow"; static char *formWindow = "formWindow", *positionWindow = "positionWindow"; outer = XtCreateManagedWidget("paned", panedWidgetClass, parent, NULL, ZERO); b_row = XtCreateManagedWidget("buttons", panedWidgetClass, outer, NULL, ZERO); { MakeCommandButton(b_row, "quit", DoQuit); MakeCommandButton(b_row, "save", DoSave); MakeCommandButton(b_row, "load", DoLoad); filenamewindow = MakeStringBox(b_row, "filename", NULL); } hintswindow = XtCreateManagedWidget("bc_label", labelWidgetClass, outer, NULL, ZERO); num_args = 0; XtSetArg(arglist[num_args], XtNeditType, XawtextEdit); ++num_args; messwidget = XtCreateManagedWidget("messageWindow", asciiTextWidgetClass, outer, arglist, num_args); num_args = 0; XtSetArg(arglist[num_args], XtNorientation, XtorientHorizontal); ++num_args; hpane = XtCreateManagedWidget("hpane", panedWidgetClass, outer, arglist, num_args); num_args = 0; XtSetArg(arglist[num_args], XtNorientation, XtorientVertical); ++num_args; vpanes[0] = XtCreateManagedWidget("vpane", panedWidgetClass, hpane, arglist, num_args); XtSetArg(arglist[num_args], XtNheight, 1); ++num_args; XtSetArg(arglist[num_args], XtNwidth, 1); ++num_args; vpanes[1] = XtCreateWidget("vpane", panedWidgetClass, hpane, arglist, num_args); forms[0] = XtCreateManagedWidget(formWindow, formWidgetClass, vpanes[0], NULL, 0); labelwindow = XtCreateManagedWidget(labelWindow,labelWidgetClass, forms[0], NULL, 0); labels[0] = labelwindow; positions[0] = XtCreateManagedWidget(positionWindow,labelWidgetClass, forms[0], NULL, 0); forms[2] = XtCreateWidget(formWindow, formWidgetClass, vpanes[1], NULL, 0); labels[2] = XtCreateManagedWidget(labelWindow,labelWidgetClass, forms[2], NULL, 0); positions[2] = XtCreateManagedWidget(positionWindow,labelWidgetClass, forms[2], NULL, 0); num_args = 0; XtSetArg(arglist[num_args], XtNtype, XawAsciiFile); ++num_args; XtSetArg(arglist[num_args], XtNeditType, XawtextEdit); ++num_args; textwindow = XtCreateManagedWidget(editWindow, asciiTextWidgetClass, vpanes[0], arglist, num_args); /* Get international resource value form the textwindow */ num_args = 0; XtSetArg(arglist[num_args], XtNinternational, &international); ++num_args; XtGetValues(textwindow, arglist, num_args); num_args = 0; XtSetArg(arglist[num_args], XtNtype, XawAsciiFile); ++num_args; XtSetArg(arglist[num_args], XtNeditType, XawtextEdit); ++num_args; scratch = XtVaCreateWidget("textSource", international ? multiSrcObjectClass : asciiSrcObjectClass, topwindow, XtNtype, XawAsciiFile, XtNeditType, XawtextEdit, NULL, NULL); XtSetValues(scratch, arglist, num_args); num_args = 0; XtSetArg(arglist[num_args], XtNtextSource, scratch); ++num_args; XtSetValues(textwindow, arglist, num_args); texts[0] = textwindow; num_args = 0; XtSetArg(arglist[num_args], XtNtextSource, scratch); ++num_args; XtSetArg(arglist[num_args], XtNdisplayCaret, False); ++num_args; texts[2] = XtCreateWidget(editWindow, asciiTextWidgetClass, vpanes[1], arglist, num_args); forms[1] = XtCreateWidget(formWindow, formWidgetClass, vpanes[0], NULL, 0); labels[1] = XtCreateManagedWidget(labelWindow,labelWidgetClass, forms[1], NULL, 0); positions[1] = XtCreateManagedWidget(positionWindow,labelWidgetClass, forms[1], NULL, 0); texts[1] = XtCreateWidget(editWindow, asciiTextWidgetClass, vpanes[0], arglist, num_args); dirlabel = XtCreateWidget("dirlabel", labelWidgetClass, vpanes[1], NULL, 0); num_args = 0; XtSetArg(arglist[num_args], XtNheight, 1); ++num_args; XtSetArg(arglist[num_args], XtNwidth, 1); ++num_args; viewport = XtCreateWidget("viewport", viewportWidgetClass, vpanes[1], arglist, num_args); dirwindow = XtCreateManagedWidget("dirwindow", listWidgetClass, viewport, NULL, 0); item = AddTextSource(scratch, "*scratch*", "*scratch*", 0, WRITE_OK); item->wrap = XawtextWrapLine; item->flags |= WRAP_BIT; XtAddCallback(item->source, XtNcallback, SourceChanged, (XtPointer)item); ResetSourceChanged(item); flist.current = item; for (num_args = 0; num_args < 3; num_args++) XtAddCallback(texts[num_args], XtNpositionCallback, PositionChanged, NULL); for (num_args = 0; num_args < 3; num_args++) { XtSetArg(arglist[0], XtNwrap, &wrapmodes[num_args]); XtGetValues(texts[num_args], arglist, 1); } XtAddCallback(dirwindow, XtNcallback, DirWindowCB, NULL); } /* Function Name: Feep * Description: feeps the bell. * Arguments: none. * Returns: none. */ void Feep(void) { XBell(CurDpy, 0); } #define l_BIT 0x01 #define c_BIT 0x02 #define p_BIT 0x04 #define s_BIT 0x08 #define MAX_FMT_LEN 30 static void StartFormatPosition(void) { char *fmt = app_resources.position_format; if (fmt) while (*fmt) if (*fmt++ == '%') { int len = 0; if (*fmt == '-') { ++fmt; ++len; } while (*fmt >= '0' && *fmt <= '9') { ++fmt; if (++len >= MAX_FMT_LEN) { XtAppWarning(XtWidgetToApplicationContext(topwindow), "Format too large to formatPosition"); position_format_mask = 0; return; } } switch (*fmt++) { case 'l': position_format_mask |= l_BIT; break; case 'c': position_format_mask |= c_BIT; break; case 'p': position_format_mask |= p_BIT; break; case 's': position_format_mask |= s_BIT; break; case '%': break; default: { char msg[256]; XmuSnprintf(msg, sizeof(msg), "Unknown format \"%%%c\" in positionFormat", fmt[-1]); XtAppWarning(XtWidgetToApplicationContext(topwindow), msg); position_format_mask = 0; return; } } } } /*ARGSUSED*/ static void PositionChanged(Widget w, XtPointer client_data, XtPointer call_data) { int idx; XawTextPositionInfo *info = (XawTextPositionInfo*)call_data; for (idx = 0; idx < 3; idx++) if (w == texts[idx]) break; if (idx > 2) return; if (((position_format_mask & l_BIT) && infos[idx].line_number != info->line_number) || ((position_format_mask & c_BIT) && infos[idx].column_number != info->column_number) || ((position_format_mask & p_BIT) && infos[idx].insert_position != info->insert_position) || ((position_format_mask & s_BIT) && infos[idx].last_position != info->last_position) || infos[idx].overwrite_mode != info->overwrite_mode) { int len = 6; Arg args[1]; char buffer[256], *str = app_resources.position_format; char fmt_buf[MAX_FMT_LEN + 2], *fmt; memcpy(&infos[idx], info, sizeof(XawTextPositionInfo)); if (info->overwrite_mode) strcpy(buffer, "Ovrwt "); else strcpy(buffer, " "); while (*str) { switch (*str) { case '%': fmt = fmt_buf; *fmt++ = *str++; if (*str == '-') *fmt++ = *str++; /*CONSTCOND*/ while (*str >= '0' && *str <= '9') { /* StartPositionFormat() already checked the format * length. */ *fmt++ = *str++; } *fmt++ = 'd'; *fmt = '\0'; switch (*str) { case 'l': XmuSnprintf(&buffer[len], sizeof(buffer) - len, fmt_buf, info->line_number); break; case 'c': XmuSnprintf(&buffer[len], sizeof(buffer) - len, fmt_buf, info->column_number); break; case 'p': XmuSnprintf(&buffer[len], sizeof(buffer) - len, fmt_buf, info->insert_position); break; case 's': XmuSnprintf(&buffer[len], sizeof(buffer) - len, fmt_buf, info->last_position); break; case '%': strcpy(&buffer[len], "%"); break; } len += strlen(&buffer[len]); break; default: buffer[len++] = *str; break; } if (len >= sizeof(buffer) - 1) break; ++str; } buffer[len] = '\0'; XtSetArg(args[0], XtNlabel, buffer); XtSetValues(positions[idx], args, 1); } } /*ARGSUSED*/ static void HintsTimer(XtPointer closure, XtIntervalId *id) { Arg args[1]; xedit_hints *hints = (xedit_hints*)closure; hints->cur_hint = rand() % hints->num_hints; XtSetArg(args[0], XtNlabel, hints->hints[hints->cur_hint]); XtSetValues(hintswindow, args, 1); hints->timer = XtAppAddTimeOut(XtWidgetToApplicationContext(topwindow), hints->interval, HintsTimer, closure); } #define MAX_HINT_LEN 255 #define MIN_HINT_INTERVAL 5 static void StartHints(void) { char *str, *p; unsigned i, len; xedit_hints *hints = &(app_resources.hints); /* if resource was not set, or was overriden */ if (hints->resource == NULL || !*hints->resource) return; randomize(); if (hints->interval < MIN_HINT_INTERVAL) hints->interval = DEF_HINT_INTERVAL; hints->interval *= 1000; hints->hints = (char**)XtMalloc(sizeof(char*)); hints->hints[hints->cur_hint = 0] = p = hints->resource; hints->num_hints = 1; while ((p = strchr(p, '\n')) != NULL) { if (*++p == '\0') break; hints->hints = (char**) XtRealloc((char*)hints->hints, sizeof(char*) * (hints->num_hints + 1)); hints->hints[hints->num_hints++] = p; } /* make a private copy of the resource values, so that one can change * the Xrm database safely. */ for (i = 0; i < hints->num_hints; i++) { if ((p = strchr(hints->hints[i], '\n')) != NULL) len = p - hints->hints[i]; else len = strlen(hints->hints[i]); if (len > MAX_HINT_LEN) len = MAX_HINT_LEN; str = XtMalloc(len + 1); strncpy(str, hints->hints[i], len); str[len] = '\0'; hints->hints[i] = str; } hints->timer = XtAppAddTimeOut(XtWidgetToApplicationContext(topwindow), hints->interval, HintsTimer, (XtPointer)hints); }