Annotation of capa/capa51/CapaTools/CAPAscreen.pl, revision 1.2
1.1 albertel 1: #!/usr/local/bin/perl
2:
3: # -----------------------------------------------------------------------------
4: #
5: # Some routines to facilitate creation of
6: # vt100 pseudo-menu driven interface
1.2 ! albertel 7: # Copyright (C) 1992-2000 Michigan State University
! 8: #
! 9: # The CAPA system is free software; you can redistribute it and/or
! 10: # modify it under the terms of the GNU Library General Public License as
! 11: # published by the Free Software Foundation; either version 2 of the
! 12: # License, or (at your option) any later version.
! 13: #
! 14: # The CAPA system is distributed in the hope that it will be useful,
! 15: # but WITHOUT ANY WARRANTY; without even the implied warranty of
! 16: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
! 17: # Library General Public License for more details.
! 18: #
! 19: # You should have received a copy of the GNU Library General Public
! 20: # License along with the CAPA system; see the file COPYING. If not,
! 21: # write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
! 22: # Boston, MA 02111-1307, USA.
! 23: #
! 24: # As a special exception, you have permission to link this program
! 25: # with the TtH/TtM library and distribute executables, as long as you
! 26: # follow the requirements of the GNU GPL in regard to all of the
! 27: # software in the executable aside from TtH/TtM.
1.1 albertel 28: #
29: # Works under xterm, shelltool, but not commandtool.
30: #
31: # by Isaac Tsai
32: # -----------------------------------------------------------------------------
33: #
34: sub C_ClearScreen { print "\e[;H\e[2J"; }
35: sub C_EraseLine { print "\e[K"; }
36: sub C_MoveTo { local($y,$x)=@_; print "\e[$y;$x"; print "H"; }
37: sub C_MakeBox {
38: local($y1,$x1,$y2,$x2,$title)=@_;
39: local($wd)=$x2-$x1;
40: local($j,$tlen);
41:
42: if(x2 >= 0 && x2 <= 80) {
43: C_MoveTo($y1,$x1);
44: print "+"; print "-" x ($wd-1); print "+";
45: if( $title ne "" ) {
46: $tlen = length($title); $j = int($x1+($wd - $tlen)/2);
47: C_MoveTo($y1,$j); print $title;
48: }
49: for ($j=$y1+1;$j<$y2;$j++) {
50: C_MoveTo($j,$x1);
51: print "|"; print " " x ($wd-1) ; print "|";
52: }
53: C_MoveTo($y2,$x1);
54: print "+"; print "-" x ($wd-1); print "+";
55: }
56: }
57:
58: # the coordnate of the upper left corner (y, x)
59: # the width of the box
60: # one line message appear on a separate top box
61: # one line title on top of the choice box
62: # choice list
63: sub C_MultipleChoice {
64: local($y1,$x1,$wd,$msg,$title,@items)=@_;
65: local($item_cnt)=$#items;
66: local($j,$off_y,$idx,$u_in,$done,$msg_out);
67: $idx="1"; $off_y = 0;
68:
69: C_ClearScreen;
70: if( $msg ne "" ) {
71: # C_MakeBox($y1,$x1,$y1+2,$x1+length($msg)+2);
72: C_MakeBox($y1,$x1,$y1+2,$x1+$wd);
73: C_MoveTo($y1+1,$x1+1); print $msg;
74: $off_y = 4;
75: }
76: C_MakeBox($y1+$off_y,$x1,$y1+$off_y+$item_cnt+5,$x1+$wd,$title);
77: for ($j=0;$j<=$item_cnt;$j++) {
78: C_MoveTo($y1+$off_y+$j+2,$x1+2); printf "%2d: %s", $idx,$items[$j];
79: $idx++;
80: }
81: $off_y = $off_y + 4;
82: $done = 0;
83: while ( $done ne "y" && $done ne "yes" ) {
84: $u_in=0;
85: while ($u_in < 1 || $u_in > $item_cnt+1 || $u_in =~ /\D/ || $u_in == "") {
86: C_MoveTo($y1+$off_y+$item_cnt,$x1+1); &C_EraseLine;
87: C_MoveTo($y1+$off_y+$item_cnt,$x1+1); print "SELECT:" . " " x ($wd-8) . "|";
88: C_MoveTo($y1+$off_y+$item_cnt,$x1+8);
89: $u_in=<>; chop($u_in);
90: }
91: $msg_out = "Selected item: " . $u_in . " $items[$u_in-1]" . ", (Y <RETURN>, or N)? ";
92: $j = length($msg_out);
93: C_MoveTo($y1+$off_y+$item_cnt+2,$x1); &C_EraseLine;
94: C_MoveTo($y1+$off_y+$item_cnt+2,$x1);
95: print $msg_out;
96: C_MoveTo($y1+$off_y+$item_cnt+2,$x1+$j);
97: $done=<>; chop($done); $done =~ tr/A-Z/a-z/;
98: if( length($done) == 0 ) { $done = 'y'; };
99: }
100: return $u_in;
101: }
102:
103: sub C_InputData {
104: local($y,$x,$wd,$title,$limit_len,$prompt,@msgs)=@_;
105: local($line_cnt)=$#msgs;
106: local($done);
107: local($jj,$prom_length);
108: local($input,$in_len,$msgout,$msglen);
109:
110: C_ClearScreen;
111: C_MakeBox($y,$x,$y+$line_cnt+2,$x+$wd,$title);
112: for($jj=0;$jj<=$line_cnt;$jj++) {
113: C_MoveTo($y+$jj+1,$x+1); print " $msgs[$jj]";
114: }
115: C_MakeBox($y+$line_cnt+4,$x,$y+$line_cnt+6,$x+$wd,"");
116: C_MoveTo($y+$line_cnt+5,$x+1); print $prompt;
117: $done = 0; $prom_length = length($prompt);
118: while( $done ne "y" && $done ne "yes" ) {
119: $in_len = 0;
120: while(($in_len < 1) || ($in_len > $limit_len) ) {
121: C_MoveTo($y+$line_cnt+5, $x+length($prompt)+1); &C_EraseLine;
122: C_MoveTo($y+$line_cnt+5, $x+1);
123: print $prompt . " " x ($wd - $prom_length - 1) . "|";
124: C_MoveTo($y+$line_cnt+5, $x+length($prompt)+1);
125: $input = <>; chop($input); $in_len = length($input);
126: }
127: $msgout = "You entered:\'" . $input . "\', Are you sure (Y or N)? ";
128: C_MoveTo($y+$line_cnt+7,$x); &C_EraseLine;
129: C_MoveTo($y+$line_cnt+7,$x); print $msgout;
130: $msglen = length($msgout);
131: C_MoveTo($y+$line_cnt+7,$x+$msglen);
132: $done = <>; chop($done); $done =~ tr/A-Z/a-z/;
133: }
134: return $input;
135: }
136:
137: sub C_InputSetNum {
138: local($y,$x,$wd,$title,$limit_len,$prompt,@msgs)=@_;
139: local($line_cnt)=$#msgs;
140: local($done);
141: local($jj,$prom_length);
142: local($input,$in_len,$msgout,$msglen);
143:
144: C_ClearScreen;
145: C_MakeBox($y,$x,$y+$line_cnt+2,$x+$wd,$title);
146: for($jj=0;$jj<=$line_cnt;$jj++) {
147: C_MoveTo($y+$jj+1,$x+1); print " $msgs[$jj]";
148: }
149: C_MakeBox($y+$line_cnt+4,$x,$y+$line_cnt+6,$x+$wd,"");
150: C_MoveTo($y+$line_cnt+5,$x+1); print $prompt;
151: $done = 0; $prom_length = length($prompt);
152: while( $done ne "y" && $done ne "yes" ) {
153: $in_len = 0;
154: while(($in_len < 1) || ($in_len > $limit_len) ) {
155: C_MoveTo($y+$line_cnt+5, $x+length($prompt)+1); &C_EraseLine;
156: C_MoveTo($y+$line_cnt+5, $x+1);
157: print $prompt . " " x ($wd - $prom_length - 1) . "|";
158: C_MoveTo($y+$line_cnt+5, $x+length($prompt)+1);
159: $input = <>; chop($input); $in_len = length($input);
160: }
161: $msgout = "You entered:\'" . $input . "\', Confirm (Y <RETURN> or N)? ";
162: C_MoveTo($y+$line_cnt+7,$x); &C_EraseLine;
163: C_MoveTo($y+$line_cnt+7,$x); print $msgout;
164: $msglen = length($msgout);
165: C_MoveTo($y+$line_cnt+7,$x+$msglen);
166: $done = <>; chop($done); $done =~ tr/A-Z/a-z/;
167: if(length($done)==0) { $done = 'y'; }
168: }
169: return $input;
170: }
171:
172: sub C_InputStudentID {
173: local($y,$x,$wd,$title,$limit_len,$prompt,@msgs)=@_;
174: local($line_cnt)=$#msgs;
175: local($done);
176: local($jj,$prom_length);
177: local($input,$in_len,$msgout,$msglen,$input_ok);
178:
179: C_ClearScreen;
180: C_MakeBox($y,$x,$y+$line_cnt+2,$x+$wd,$title);
181: for($jj=0;$jj<=$line_cnt;$jj++) {
182: C_MoveTo($y+$jj+1,$x+1); print " $msgs[$jj]";
183: }
184: C_MakeBox($y+$line_cnt+4,$x,$y+$line_cnt+6,$x+$wd,"");
185: C_MoveTo($y+$line_cnt+5,$x+1); print $prompt;
186: $done = 0; $prom_length = length($prompt);
187: while( $done ne "y" && $done ne "yes" ) {
188: $in_len = 0; $input_ok = 0;
189: while( ! $input_ok ) {
190: C_MoveTo($y+$line_cnt+5, $x+length($prompt)+1); &C_EraseLine;
191: C_MoveTo($y+$line_cnt+5, $x+1);
192: print $prompt . " " x ($wd - $prom_length - 1) . "|";
193: C_MoveTo($y+$line_cnt+5, $x+length($prompt)+1);
194: $input = <>; chop($input); $in_len = length($input);
195: if( $in_len <= $limit_len ) { $input_ok = 1; }
196: }
197: if( $in_len == 0 ) {
198: $msgout = "Exit this dialog? Confirm (Y <RETURN> or N)? ";
199: } else {
200: $msgout = "You entered:\'" . $input . "\', Confirm (Y <RETURN> or N)? ";
201: }
202: C_MoveTo($y+$line_cnt+7,$x); &C_EraseLine;
203: C_MoveTo($y+$line_cnt+7,$x); print $msgout;
204: $msglen = length($msgout);
205: C_MoveTo($y+$line_cnt+7,$x+$msglen);
206: $done = <>; chop($done); $done =~ tr/A-Z/a-z/;
207: if(length($done)==0) { $done = 'y'; }
208: }
209: return $input;
210: }
211:
212:
213:
214: sub C_InputFromToNum {
215: local($y,$x,$wd,$title,$limit_len,$prompt,@msgs)=@_;
216: local($line_cnt)=$#msgs;
217: local($done);
218: local($jj,$prom_length);
219: local($input,$in_len,$msgout,$msglen);
220:
221: C_ClearScreen;
222: C_MakeBox($y,$x,$y+$line_cnt+2,$x+$wd,$title);
223: for($jj=0;$jj<=$line_cnt;$jj++) {
224: C_MoveTo($y+$jj+1,$x+1); print " $msgs[$jj]";
225: }
226: C_MakeBox($y+$line_cnt+4,$x,$y+$line_cnt+6,$x+$wd,"");
227: C_MoveTo($y+$line_cnt+5,$x+1); print $prompt;
228: $done = 0; $prom_length = length($prompt);
229: while( $done ne "y" && $done ne "yes" ) {
230: $in_len = 0;
231: while(($in_len < 1) || ($in_len > $limit_len) ) {
232: C_MoveTo($y+$line_cnt+5, $x+length($prompt)+1); &C_EraseLine;
233: C_MoveTo($y+$line_cnt+5, $x+1);
234: print $prompt . " " x ($wd - $prom_length - 1) . "|";
235: C_MoveTo($y+$line_cnt+5, $x+length($prompt)+1);
236: $input = <>; chop($input); $in_len = length($input);
237: }
238: $msgout = "You entered:\'" . $input . "\', Confirm (Y <RETURN> or N)? ";
239: C_MoveTo($y+$line_cnt+7,$x); &C_EraseLine;
240: C_MoveTo($y+$line_cnt+7,$x); print $msgout;
241: $msglen = length($msgout);
242: C_MoveTo($y+$line_cnt+7,$x+$msglen);
243: $done = <>; chop($done); $done =~ tr/A-Z/a-z/;
244: if(length($done)==0) { $done = 'y'; }
245: }
246: return ($input);
247: }
248:
249:
250:
251: sub C_Warn {
252: local($y,$x,$wd,$title,@items)=@_;
253: local($item_cnt)=$#items;
254: local($j,$done);
255:
256: $wd = 25 if( $wd < 25 );
257: $done = 'n';
258: C_ClearScreen;
259: C_MakeBox($y,$x,$y+$item_cnt+5,$x+$wd,$title);
260: for ($j=0;$j<=$item_cnt;$j++) {
261: C_MoveTo($y+$j+2,$x+1); print " $items[$j]";
262: }
263: while( $done ne 'y' ) {
264: C_MoveTo($y+$item_cnt+4,$x+$wd-25); print "press Return to continue";
265: $done = <>; $done = 'y';
266: }
267: C_ClearScreen;
268: return 1;
269: }
270:
271:
272: sub C_MultilineMsgs {
273: local($y,$x,$wd,$title,$prompt,@msgs)=@_;
274: local($line_cnt)=$#msgs;
275: local($done);
276: local($jj);
277: local($len);
278:
279: C_ClearScreen;
280: $len = length($prompt);
281: C_MakeBox($y,$x,$y+$line_cnt+5,$x+$wd,$title);
282: for($jj=0;$jj<=$line_cnt;$jj++) {
283: C_MoveTo($y+$jj+2,$x+1); print " $msgs[$jj]";
284: }
285: C_MoveTo($y+$line_cnt+4,$x+$wd-$len-1); print $prompt;
286: $done = <>;
287: C_ClearScreen;
288: }
289:
290:
291: sub C_Pause {
292: local($done);
293:
294: print "Press RETURN to continue"; $done=<>;
295: }
296:
297:
298:
299: 1;
300:
301:
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