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
|
/*
Clif - A C-like Interpreter Framework
Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997 T. Hruz, L. Koren
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/*
* xwin.c
*
* Hardware dependent graphical functions.
*/
#include "graph.c"
int cur_x, cur_y;
static void d_flush PROTO((void));
static void d_clear PROTO((int));
static void d_clear_text PROTO((int));
static void d_destroy_window PROTO((int));
static void d_destroy_window_write PROTO((int));
static void d_draw_text PROTO((int, int, int));
static void d_pause PROTO((int));
/*
* Moves cursor to the specific position.
*/
static void
d_move (d_x, d_y)
int d_x, d_y;
{
cur_x = d_x;
cur_y = d_y;
}
/*
* Draws a line from the cursor position to the specified point.
*/
static void
d_draw (d_handle, d_n, d_x, d_y)
int d_handle, d_n, d_x, d_y;
{
#ifdef FORK_YES
XDrawLine (disp, channel[d_handle].mypix,
channel[d_handle].member[d_n].set_gc, cur_x, cur_y, d_x,
d_y);
#endif
XDrawLine (disp, channel[d_handle].mywin,
channel[d_handle].member[d_n].set_gc, cur_x, cur_y, d_x,
d_y);
}
/*
* Draws a point.
*/
static void
d_point (d_handle, d_n, d_x, d_y)
int d_handle, d_n, d_x, d_y;
{
#ifdef FORK_YES
XDrawPoint (disp, channel[d_handle].mypix,
channel[d_handle].member[d_n].set_gc, d_x, d_y);
#endif
XDrawPoint (disp, channel[d_handle].mywin,
channel[d_handle].member[d_n].set_gc, d_x, d_y);
}
static void
d_flush ()
{
XSync (disp, 1);
}
/*
* Clears a window.
*/
static void
d_clear (d_handle)
int d_handle;
{
XClearWindow (disp, channel[d_handle].mywin);
#ifdef FORK_YES
XFillRectangle (disp, channel[d_handle].mypix, default_gc, 0, 0,
channel[d_handle].w_resolution[0],
channel[d_handle].w_resolution[1]);
#endif
}
/*
* Clears an alphanumerical window.
*/
static void
d_clear_text (d_handle)
int d_handle;
{
XClearWindow (disp, channel[d_handle].mywin_write);
#ifdef FORK_YES
XFillRectangle (disp, channel[d_handle].mypix_write, default_gc, 0,
0, channel[d_handle].w_resolution[0],
channel[d_handle].w_resolution[1]);
#endif
}
/*
* Destroys a graphical window.
*/
static void
d_destroy_window (d_handle)
int d_handle;
{
XDestroyWindow (disp, channel[d_handle].mywin);
#ifdef FORK_YES
XFreePixmap (disp, channel[d_handle].mypix);
#endif
XSync (disp, 1);
}
/*
* Destroys an alphanumerical window.
*/
static void
d_destroy_window_write (d_handle)
int d_handle;
{
XDestroyWindow (disp, channel[d_handle].mywin_write);
#ifdef FORK_YES
XFreePixmap (disp, channel[d_handle].mypix_write);
#endif
XSync (disp, 1);
}
/*
* Draws a text in an alphanumerical window.
*/
static void
d_draw_text (d_handle, d_x, d_y)
int d_handle, d_x, d_y;
{
XDrawText (disp, channel[d_handle].mywin_write, set_gc_write, d_x,
d_y, &(channel[d_handle].item), 1);
#ifdef FORK_YES
XDrawText (disp, channel[d_handle].mypix_write, set_gc_write, d_x,
d_y, &(channel[d_handle].item), 1);
#endif
}
/*
* Suspend graphical output and waits for a keystroke.
*/
static void
d_pause (d_handle)
int d_handle;
{
#if 0
printf ("d_pause\n");
#endif
XSelectInput (disp, channel[d_handle].mywin, KeyPressMask);
XWindowEvent (disp, channel[d_handle].mywin, KeyPressMask, &event);
#if 0
printf ("event %d\n", event.type);
#endif
}
|
