1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
|
{------------------------------------------------------------------------------
CncWare
(c) Copyright 2000
------------------------------------------------------------------------------
Filename..: db_demo.pp
Programmer: Ken J. Wright, ken@cncware.com
Date......: 06/29/2000
Purpose - Demonstrate the use of oCrt in a simulated database record editor.
-------------------------------<< REVISIONS >>---------------------------------
Ver | Date | Prog| Description
-------+------------+-----+----------------------------------------------------
1.00 | 06/29/2000 | kjw | Initial Release.
-------------------------------------------------------------------------------
}
Program db_demo;
Uses oCrt;
Const
MAXCOLS = 6;
MAXROWS = 10;
Type
tAddress = Record
FirstName,
LastName,
Street : string[40];
Country : string[2];
Zip : string[5];
City : string[30];
End;
tFields = Record
x,y,wid : integer;
pic : string;
End;
Var
win : tnWindow;
address : Array [1..MAXROWS] of tAddress;
fields : Array [1..MAXCOLS] of tFields;
s : string;
i,
m1,m2,
att1,att2,att3,
row,
col : integer;
ch : char;
IsDone : boolean;
Procedure Display(row : integer);
Begin
With address[row] Do Begin
For i := 1 to MAXCOLS Do Begin
With fields[i] Do Begin
Case i of
1 : s := FirstName;
2 : s := LastName;
3 : s := Street;
4 : s := Country;
5 : s := Zip;
6 : s := City;
End;
win.FWrite(x,y,att1,x+wid-1,s);
End;
End;
End;
col := 1;
End;
{ bind the arrow keys so they trigger an exit }
Procedure BindArrows;
Begin
win.ec.Special := ^I^R^L^P^N;
m1 := win.ec.AddChMap(#0+Char(nKeyRight)+^R#0);
m2 := win.ec.AddChMap(#0+Char(nKeyLeft)+^L#0);
win.FWrite(1,win.Rows,48,0,'[F2]-Arrows');
End;
Procedure UnBindArrows;
Begin
win.ec.Special := ^R^L^P^N;
win.ec.ClrChMap(m1);
win.ec.ClrChMap(m2);
win.FWrite(1,win.Rows,62,0,'[F2]-Arrows');
End;
Begin
FillChar(address,SizeOf(address),#0);
With address[1] Do Begin
FirstName := 'Rainer';
LastName := 'Hantsch';
Street := '12345 Some Street';
Country := 'A';
Zip := '1030';
City := 'Vienna';
End;
For i := 1 to MAXCOLS Do Begin
With fields[i] Do Begin
Case i of
1 : Begin x := 14; y := 2; wid := 40; pic := ''; End;
2 : Begin x := 14; y := 3; wid := 40; pic := ''; End;
3 : Begin x := 14; y := 4; wid := 40; pic := ''; End;
4 : Begin x := 14; y := 5; wid := 2; pic := ''; End;
5 : Begin x := 19; y := 5; wid := 5; pic := '*#'; End;
6 : Begin x := 27; y := 5; wid := 30; pic := ''; End;
End;
End;
End;
att1 := 19; { field display color }
att2 := 31; { field edit color }
att3 := 23; { labels color }
nMakeWindow(win,1,1,60,10,att3,30,63,true,center,' Rainer''s Address Book ');
With win Do Begin
Align(center,center);
FWrite(1,Rows,48,Cols,'[F2]-Arrows [F10]-Exit [Tab]-NextField [^P]-Prev [^N]-Next');
Writeln;
Writeln(' First Name [ ]');
Writeln(' Last Name [ ]');
Writeln(' Street [ ]');
Write (' Zip/City [ ]-[ ] [ ]');
Show;
ec.AddChMap(^P#0#0+Char(nKeyPgUp));
ec.AddChMap(^N#0#0+Char(nKeyPgDn));
BindArrows;
row := 1;
col := 1;
display(row);
IsDone := false;
Repeat
Str(row:2,s);
FWrite((cols-10) div 2,rows-1,26,0,'Record #'+s);
With address[row] Do Begin
With fields[col] Do Begin
ec.Picture := pic;
Case col of
1 : s := FirstName;
2 : s := LastName;
3 : s := Street;
4 : s := Country;
5 : s := Zip;
6 : s := City;
End;
s := Edit(x,y,att2,x+wid-1,x+Length(s),s,ch);
If ch <> #27 Then
Case col of
1 : FirstName := s;
2 : LastName := s;
3 : Street := s;
4 : Country := s;
5 : Zip := s;
6 : City := s;
End;
FWrite(x,y,att1,x+wid-1,s);
Case Ord(ch) of
9,
13,
Ord(^r) : Inc(col);
Ord(^l) : Dec(col);
nKeyUp : Case col of
1 : col := 4;
2,3,4 : Dec(col);
5,6 : col := 3;
End;
nKeyDown : Case col of
1..3 : Inc(col);
4..6 : col := 1;
End;
nKeyPgDn : Inc(row);
nKeyPgUp : Dec(row);
nKeyF2 : UnBindArrows; { use arrows for editing }
nKeyF10 : IsDone := true;
End;
End;
End;
If row > MAXROWS Then row := MAXROWS;
If row < 1 Then row := 1;
If col > MAXCOLS Then col := 1;
If col < 1 Then col := MAXCOLS;
If Ord(ch) in [nKeyPgUp,nKeyPgDn] Then Display(row);
If Ord(ch) <> nKeyF2 Then BindArrows; { arrows for navigation }
Until IsDone;
Hide;
Done;
End;
End.
|
