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
|
/* Copyright (C) 1996, Russell Lang. All rights reserved.
This file is part of Aladdin Ghostscript.
Aladdin Ghostscript is distributed with NO WARRANTY OF ANY KIND. No author
or distributor accepts any responsibility for the consequences of using it,
or for whether it serves any particular purpose or works at all, unless he
or she says so in writing. Refer to the Aladdin Ghostscript Free Public
License (the "License") for full details.
Every copy of Aladdin Ghostscript must include a copy of the License,
normally in a plain ASCII text file named PUBLIC. The License grants you
the right to copy, modify and redistribute Aladdin Ghostscript, but only
under certain conditions described in the License. Among other things, the
License requires that the copyright notice and this notice be preserved on
all copies.
*/
// dwtext.h
// Text Window class
#ifdef _WINDOWS
#define _Windows
#endif
/* ================================== */
/* text window class */
class TextWindow {
HINSTANCE hInstance; /* required */
LPSTR Title; /* required */
HICON hIcon; /* optional */
BYTE FAR *ScreenBuffer;
POINT ScreenSize; /* optional */
char *DragPre; /* optional */
char *DragPost; /* optional */
int nCmdShow; /* optional */
HWND hwnd;
BYTE FAR *KeyBuf;
BYTE FAR *KeyBufIn;
BYTE FAR *KeyBufOut;
unsigned int KeyBufSize;
BOOL quitnow;
BOOL bFocus;
BOOL bGetCh;
char *fontname; // font name
int fontsize; // font size in pts
HFONT hfont;
int CharAscent;
int CaretHeight;
int CursorFlag;
POINT CursorPos;
POINT ClientSize;
POINT CharSize;
POINT ScrollPos;
POINT ScrollMax;
void error(char *message);
void new_line(void);
void update_text(int count);
void drag_drop(HDROP hdrop);
void copy_to_clipboard(void);
public:
// constructor
TextWindow(void);
// destructor
~TextWindow(void);
// register window class
int register_class(HINSTANCE hinst, HICON hicon);
// test if a key has been pressed
// return TRUE if key hit
// return FALSE if no key
int kbhit(void);
// Get a character from the keyboard, waiting if necessary
int getch(void);
// Get a line from the keyboard
// store line in buf, with no more than len characters
// including null character
// return number of characters read
int gets(LPSTR buf, int len);
// Get a line from the keyboard
// store line in buf, with no more than len characters
// line is not null terminated
// return number of characters read
int read_line(LPSTR buf, int len);
// Put a character to the window
int putch(int ch);
// Write cnt character from buf to the window
void write_buf(LPSTR buf, int cnt);
// Put a string to the window
void puts(LPSTR str);
// Scroll window to make cursor visible
void to_cursor(void);
// Create and show window with given name and min/max/normal state
// return 0 on success, non-zero on error
int create(LPSTR title, int cmdShow);
// Destroy window
int destroy(void);
// Set window font and size
// a must choose monospaced
void font(const char *fontname, int fontsize);
// Set screen size in characters
void size(int width, int height);
// Set pre drag and post drag strings
// If a file is dropped on the window, the following will
// be poked into the keyboard buffer:
// the pre_drag string
// the file name
// the post_drag string
void drag(const char *pre_drag, const char *post_drag);
// member window procedure
LRESULT WndProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam);
// provide access to window handle
HWND get_handle(void) { return hwnd; };
};
/* ================================== */
|
