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(*
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** **
** ls-DIALOG 3 **
** **
** Version 1.2 **
** **
** (Stand: 04.11.88) **
** **
** **
** Autor: Wolfgang Weber, Bielefeld **
** **
** **
** Copyright (C) 1987, 1988 Eva Latta-Weber, Bielefeld **
** **
** Copyright (C) 1988 ERGOS GmbH, Siegburg **
** **
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*)
PACKET ls dialog 3 DEFINES{} WINDOW, :=, window,{} show, page, erase,{} line, remaining lines,{} cursor, get cursor,{} out frame, out menuframe,{} out, put, putline, editget,{} get, getline, yes, no,{} edit, center, stop,{} area, areax, areay,{} areaxsize, areaysize:{}LET piep = ""7"",{} cr = ""13"";{}LET janeinkette = "jJyYnN",{} blank = " ",{} niltext = "";{}TYPE WINDOW = STRUCT (AREA fenster,{}
INT cspalte, czeile, belegbare zeilen,{} BOOL fensterende erreicht);{}ROW 3 TEXT CONST aussage :: ROW 3 TEXT : ({} " 'Window' ungültig!",{} " (j/n) ?",{} " Zum Weitermachen bitte irgendeine Taste tippen!"{} );{}TEXT VAR number word, exit char;{}OP := (WINDOW VAR links, WINDOW CONST rechts):{} CONCR (links) := CONCR (rechts){}END OP :=;{}WINDOW PROC window (INT CONST x, y, xsize, ysize):{} WINDOW VAR w;{} fill (w.fenster, x, y, xsize, ysize);{} IF fenster ungueltig (w){}
THEN errorstop (aussage [1]){} FI;{} initialize (w);{} w{}END PROC window;{}PROC initialize (WINDOW VAR w):{} w.czeile := 1;{} w.cspalte := 1;{} w.fensterende erreicht := FALSE;{} w.belegbare zeilen := areaysize (w.fenster){}END PROC initialize;{}BOOL PROC fenster ungueltig (WINDOW CONST w):{} IF areax (w.fenster) < 1 COR areax (w.fenster) > 79{} COR areay (w.fenster) < 1 COR areay (w.fenster) > 24{} COR areaxsize (w.fenster) < 6 COR areaysize (w.fenster) < 3{}
COR areax (w.fenster) + areaxsize (w.fenster) > 80{} COR areay (w.fenster) + areaysize (w.fenster) > 25{} THEN TRUE{} ELSE FALSE{} FI.{}END PROC fenster ungueltig;{}PROC show (WINDOW VAR w):{} zeige rahmen;{} fenster putzen.{} zeige rahmen:{} out frame (w.fenster).{} fenster putzen:{} page (w).{}END PROC show;{}PROC page (WINDOW VAR w):{} initialize (w);{} page (w, FALSE){}END PROC page;{}PROC page (WINDOW CONST w, BOOL CONST mit rahmen ):{} IF areax (w) = 1 AND areay (w) = 1 AND{}
areaxsize (w) = 79 AND areaysize (w) = 24{} THEN page;{} ELSE loesche bereich{} FI.{} loesche bereich:{} IF mit rahmen{} THEN page (areax (w) - 1, areay (w) - 1,{} areaxsize (w) + 2, areaysize (w) + 2){} ELSE page (area (w)){} FI{}END PROC page;{}PROC erase (WINDOW VAR w):{} page (w, TRUE){}END PROC erase;{}PROC line (WINDOW VAR w):{} w.cspalte := 1;{} IF w.czeile < w.belegbare zeilen{} THEN w.czeile INCR 1;{} ELSE w.czeile := 1;{}
w.fensterende erreicht := TRUE{} FI;{} cursor (w, w.cspalte, w.czeile){}END PROC line;{}PROC line (WINDOW VAR w, INT CONST anzahl):{} INT VAR i; FOR i FROM 1 UPTO anzahl REP line (w) PER{}END PROC line;{}INT PROC remaining lines (WINDOW CONST w):{} INT VAR spalte, zeile;{} get cursor (w, spalte, zeile);{} IF spalte = 0 OR zeile = 0{} THEN 0{} ELSE w.belegbare zeilen - w.czeile{} FI{}END PROC remaining lines;{}PROC cursor (WINDOW VAR w, INT CONST spalte, zeile):{} IF spalte < 1 OR zeile < 1 OR spalte > areaxsize (w) OR zeile > areaysize (w){}
THEN page (w);{} ELSE w.cspalte := spalte; w.czeile := zeile;{} FI;{} cursor (w.fenster, w.cspalte, w.czeile){}END PROC cursor;{}PROC get cursor (WINDOW CONST w, INT VAR spalte, zeile):{} IF (w.cspalte < 1) OR (w.cspalte > areaxsize (w.fenster)){} OR{} (w.czeile < 1) OR (w.czeile > areaysize (w.fenster)){} THEN spalte := 0; zeile := 0{} ELSE spalte := w.cspalte; zeile := w.czeile{} FI{}END PROC get cursor;{}PROC out (WINDOW VAR w, TEXT CONST text):{}
INT VAR restlaenge;{} IF (w.cspalte >= 1) AND (w.cspalte <= areaxsize (w.fenster)){} AND{} (w.czeile >= 1) AND (w.czeile <= w.belegbare zeilen){} THEN putze ggf fenster;{} cursor (w.fenster, w.cspalte, w.czeile);{} outtext (text, 1, textende);{} setze fenstercursor neu;{} setze ausgabe ggf in naechster zeile fort{} FI.{} putze ggf fenster:{} IF w.fensterende erreicht{} THEN page (w);{} w.fensterende erreicht := FALSE{}
FI.{} textende:{} restlaenge := areaxsize (w.fenster) - w.cspalte + 1;{} min (length (text), restlaenge).{} setze fenstercursor neu:{} IF length (text) >= restlaenge{} THEN w.cspalte := 1;{} w.czeile INCR 1;{} schlage ggf neue seite auf{} ELSE w.cspalte INCR length (text){} FI.{} schlage ggf neue seite auf:{} IF w.czeile > w.belegbare zeilen{} THEN page (w);{} w.czeile := 1{} FI.{} setze ausgabe ggf in naechster zeile fort:{}
IF length (text) > restlaenge{} THEN out (w, subtext (text, restlaenge + 1)){} FI.{}END PROC out;{}PROC out frame (WINDOW VAR w):{} out frame (area (w)){}END PROC out frame;{}PROC out menuframe (WINDOW VAR w):{} out menu frame (area (w)){}END PROC out menuframe;{}PROC put (WINDOW VAR w, TEXT CONST word):{} out (w, word); out (w, blank){}END PROC put;{}PROC put (WINDOW VAR w, INT CONST number):{} put (w, text (number)){}END PROC put;{}PROC put (WINDOW VAR w, REAL VAR number):{} put (w, text (number)){}
END PROC put;{}PROC putline (WINDOW VAR w, TEXT CONST textline):{} out (w, textline); line (w){}END PROC putline;{}PROC editget (WINDOW VAR w, TEXT VAR ausgabe,{} INT CONST max laenge, scroll,{} TEXT CONST sep, res, TEXT VAR exit char):{} INT VAR spalte, zeile;{} ggf zur naechsten zeile;{} get cursor (spalte, zeile); cursor on; cursor (spalte, zeile);{} editget (ausgabe, max laenge, min (scroll, restlaenge),{} sep, res, exitchar);{} get cursor (spalte, zeile); cursor off; cursor (spalte, zeile).{}
ggf zur naechsten zeile:{} IF restlaenge < 5 THEN line (w) FI.{} restlaenge:{} areaxsize (w.fenster) - w.cspalte - 1.{}END PROC editget;{}PROC editget (WINDOW VAR w, TEXT VAR ausgabe):{} TEXT VAR dummy;{} editget (w, ausgabe, 79, 79, "", "", dummy){}END PROC editget;{}PROC get (WINDOW VAR w, TEXT VAR word):{} INT VAR spa, zei;{} ggf zur naechsten zeile;{} get cursor (spa, zei); cursor on; cursor (spa, zei);{} REP{} word := "";{} editget (word, maxtextlength, restlaenge, " ", "", exit char);{}
out (w, subtext (word, 1, restlaenge));{} IF compress (word) <> ""{} THEN echoe exit char (w){} FI{} UNTIL word <> niltext AND word <> blank PER;{} get cursor (spa, zei); cursor off; cursor (spa, zei);{} delete leading blanks.{} ggf zur naechsten zeile:{} IF restlaenge < 5 THEN line (w) FI.{} restlaenge:{} areaxsize (w.fenster) - w.cspalte - 1.{} delete leading blanks:{} WHILE (word SUB 1) = blank REP word := subtext (word, 2) PER.{}END PROC get;{}PROC get (WINDOW VAR w, TEXT VAR word, TEXT CONST separator):{}
INT VAR spa, zei;{} ggf zur naechsten zeile;{} get cursor (spa, zei); cursor on; cursor (spa, zei);{} REP{} word := "";{} editget (word, maxtextlength, restlaenge, separator, "", exit char);{} out (w, subtext (word, 1, restlaenge));{} echoe exit char (w);{} UNTIL word <> niltext AND word <> blank PER;{} get cursor (spa, zei); cursor off; cursor (spa, zei).{} ggf zur naechsten zeile:{} IF restlaenge < 5 THEN line (w) FI.{} restlaenge:{} areaxsize (w.fenster) - w.cspalte - 1.{}
END PROC get;{}PROC get (WINDOW VAR w, TEXT VAR word, INT CONST length):{} INT VAR spa, zei;{} ggf zur naechsten zeile;{} get cursor (spa, zei); cursor on; cursor (spa, zei);{} REP{} word := "";{} editget (word, maxtextlength, laenge, "", "", exit char);{} out (w, subtext (word, 1, laenge));{} echoe exit char (w){} UNTIL word <> niltext AND word <> blank PER;{} get cursor (spa, zei); cursor off; cursor (spa, zei).{} ggf zur naechsten zeile:{} IF restlaenge < 5 THEN line (w) FI.{}
restlaenge:{} areaxsize (w.fenster) - w.cspalte - 1.{} laenge:{} min (length, restlaenge).{}END PROC get;{}PROC get (WINDOW VAR w, INT VAR number):{} get (w, number word);{} number := int (number word){}END PROC get;{}PROC get (WINDOW VAR w, REAL VAR number):{} get (w, number word);{} number := real (number word){}END PROC get;{}PROC getline (WINDOW VAR w, TEXT VAR textline):{} INT VAR spa, zei;{} ggf zur naechsten zeile;{} get cursor (spa, zei); cursor on; cursor (spa, zei);{} REP{}
textline := "";{} editget (textline, maxtextlength, restlaenge, "", "", exit char);{} out (w, subtext (word, 1, restlaenge));{} echoe exit char (w);{} UNTIL textline <> niltext AND textline <> blank PER;{} get cursor (spa, zei); cursor off; cursor (spa, zei).{} ggf zur naechsten zeile:{} IF restlaenge < 5 THEN line (w) FI.{} restlaenge:{} areaxsize (w.fenster) - w.cspalte - 1.{}END PROC getline;{}PROC echoe exit char (WINDOW VAR fenster):{} IF exit char = cr{} THEN line (fenster){}
ELSE out (fenster, exit char){} FI{}END PROC echoe exit char;{}TEXT PROC center (WINDOW CONST w, TEXT CONST text):{} IF length (text) >= areaxsize (w.fenster){} THEN subtext (text, 1, areaxsize (w.fenster)){} ELSE center (areaxsize (w.fenster), text){} FI{}END PROC center;{}BOOL PROC yes (WINDOW VAR w, TEXT CONST frage):{} TEXT VAR zeichen, interne frage :: frage;{} interne frage CAT aussage [2];{} wechsel ggf auf neue seite;{} out (w, interne frage);{} hole eingabezeichen;{}
werte zeichen aus.{} wechsel ggf auf neue seite:{} IF remaining lines (w) < 1{} THEN page (w){} FI.{} hole eingabezeichen:{} cursor on; clear buffer;{} REP{} inchar (zeichen);{} piepse ggf{} UNTIL pos (janeinkette, zeichen) > 0 PER;{} out (w, blank + zeichen);{} cursor off; line (w).{} piepse ggf:{} IF pos (janeinkette, zeichen) = 0 THEN out (piep) FI.{} werte zeichen aus:{} IF pos (janeinkette, zeichen) < 5{} THEN TRUE{} ELSE FALSE{} FI.{}
END PROC yes;{}PROC edit (WINDOW VAR w, FILE VAR f):{} out frame (w.fenster);{} loesche rechte spalten (w);{} cursor on;{} edit (f, areax (w.fenster), areay (w.fenster),{} areaxsize (w.fenster) - 1, areaysize (w.fenster));{} cursor off{}END PROC edit;{}PROC edit (WINDOW VAR w, TEXT CONST dateiname):{} FILE VAR f :: sequential file (modify, dateiname);{} to line (f, 1);{} edit (w, f){}END PROC edit;{}PROC show (WINDOW VAR w, FILE VAR f):{} out frame (w.fenster);{} loesche rechte spalten (w);{}
open editor (groesster editor + 1, f, FALSE,{} areax (w.fenster), areay (w.fenster),{} areaxsize (w.fenster) - 1, areaysize (w.fenster));{} cursor on;{} edit (groesster editor, "eqvw19dpgn"9"",{} PROC (TEXT CONST) std kommando interpreter);{} cursor off{}END PROC show;{}PROC show (WINDOW VAR w, TEXT CONST dateiname):{} FILE VAR f :: sequential file (modify, dateiname);{} to line (f, 1);{} show (w, f){}END PROC show;{}PROC loesche rechte spalten (WINDOW VAR w):{}
INT VAR i;{} FOR i FROM 1 UPTO areaysize (w.fenster) REP{} cursor (w, areaxsize (w.fenster) - 2, i); out (3 * blank){} PER{}END PROC loesche rechte spalten;{}BOOL PROC no (WINDOW VAR w, TEXT CONST frage):{} NOT yes (w, frage){}END PROC no;{}PROC stop (WINDOW VAR w):{} stop (w, 2){}END PROC stop;{}PROC stop (WINDOW VAR w, INT CONST zeilenzahl):{} INT VAR i; FOR i FROM 1 UPTO zeilenzahl REP line (w) PER;{} out (w, aussage [3]);{} pause{}END PROC stop;{}AREA PROC area (WINDOW CONST w):{}
w.fenster{}END PROC area;{}INT PROC areax (WINDOW CONST w):{} areax (w.fenster){}END PROC areax;{}INT PROC areay (WINDOW CONST w):{} areay (w.fenster){}END PROC areay;{}INT PROC areaxsize (WINDOW CONST w):{} areaxsize (w.fenster){}END PROC areaxsize;{}INT PROC areaysize (WINDOW CONST w):{} areaysize (w.fenster){}END PROC areaysize;{}END PACKET ls dialog 3;{}
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