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
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
|
/**************************************************************************/
/* */
/* Copyright (c) 2001, 2010 NoMachine, http://www.nomachine.com/. */
/* */
/* NXAGENT, NX protocol compression and NX extensions to this software */
/* are copyright of NoMachine. Redistribution and use of the present */
/* software is allowed according to terms specified in the file LICENSE */
/* which comes in the source distribution. */
/* */
/* Check http://www.nomachine.com/licensing.html for applicability. */
/* */
/* NX and NoMachine are trademarks of Medialogic S.p.A. */
/* */
/* All rights reserved. */
/* */
/**************************************************************************/
#include <signal.h>
#include <stdio.h>
#ifdef _XSERVER64
#include "scrnintstr.h"
#include "Agent.h"
#define GC XlibGC
#define PIXEL_ALREADY_TYPEDEFED
#endif /* _XSERVER64 */
#include "pixmapstr.h"
#include "regionstr.h"
#include "resource.h"
#include "../../include/gc.h"
#include "../../include/window.h"
#include "xpm.h"
#include "Agent.h"
#include "Pixmaps.h"
#include "Display.h"
#include "Holder.h"
#include "Icons.h"
#include NXAGENT_PLACEHOLDER_NAME
#define MAXDEPTH 32
#define PLACEHOLDER_WIDTH 14
#define PLACEHOLDER_HEIGHT 16
#define PLACEHOLDER_BORDER_COLOR_DARK 0x000000
#define PLACEHOLDER_BORDER_COLOR_LIGHT 0xB2B2B2
/*
* Set here the required log level.
*/
#define PANIC
#define WARNING
#undef TEST
#undef DEBUG
#undef DUMP
static Pixmap nxagentPlaceholderPixmaps[MAXDEPTH + 1];
void nxagentMarkPlaceholderNotLoaded(int depth)
{
nxagentPlaceholderPixmaps[depth] = 0;
}
void nxagentInitPlaceholder(int depth)
{
int status;
XpmAttributes attributes;
attributes.valuemask = XpmDepth | XpmSize;
attributes.depth = depth;
status = XpmCreatePixmapFromData(nxagentDisplay, DefaultRootWindow(nxagentDisplay),
placeholderXpm, nxagentPlaceholderPixmaps + depth, NULL, &attributes);
if (status != Success)
{
FatalError("Error: Failed to create the placeholder pixmap.\n");
}
#ifdef TEST
fprintf(stderr, "nxagentInitPlaceholder: Created pixmap [0x%lx] with geometry [%d,%d] for depth [%d].\n",
nxagentPlaceholderPixmaps[depth], attributes.width, attributes.height, depth);
#endif
}
void nxagentApplyPlaceholder(Drawable drawable, int x, int y,
int w, int h, int depth)
{
/*
* Instead of the image, a white rectangle that
* covers the pixmap area is drawn, alongside
* with a black and grey line that outlines the
* boundaries of the affected area.
*/
GC gc;
XGCValues value;
XPoint points[3];
value.foreground = 0xffffffff;
value.background = 0x00000000;
value.plane_mask = 0xffffffff;
value.fill_style = FillSolid;
/*
* FIXME: Should we use a gc cache to save
* some bandwidth?
*/
gc = XCreateGC(nxagentDisplay, drawable, GCBackground |
GCForeground | GCFillStyle | GCPlaneMask, &value);
XFillRectangle(nxagentDisplay, drawable, gc, x, y, w, h);
if (depth == 1)
{
return;
}
value.foreground = PLACEHOLDER_BORDER_COLOR_DARK;
value.line_style = LineSolid;
value.line_width = 1;
points[0].x = x;
points[0].y = y + h - 1;
points[1].x = x;
points[1].y = y;
points[2].x = x + w - 1;
points[2].y = y;
XChangeGC(nxagentDisplay, gc, GCForeground | GCLineWidth | GCLineStyle, &value);
XDrawLines(nxagentDisplay, drawable, gc, points, 3, CoordModeOrigin);
value.foreground = PLACEHOLDER_BORDER_COLOR_LIGHT;
value.line_style = LineSolid;
value.line_width = 1;
points[0].x = x;
points[0].y = y + h - 1;
points[1].x = x + w - 1;
points[1].y = y + h - 1;
points[2].x = x + w - 1;
points[2].y = y;
XChangeGC(nxagentDisplay, gc, GCForeground | GCLineWidth | GCLineStyle, &value);
XDrawLines(nxagentDisplay, drawable, gc, points, 3, CoordModeOrigin);
/*
* We are going to apply place holder only if on region
* we have enough space for the placeholder plus three
* pixel for spacing and one for region border.
*/
if ((w >= PLACEHOLDER_WIDTH + 8) && (h >= PLACEHOLDER_HEIGHT + 8))
{
#ifdef TEST
fprintf(stderr, "nxagentApplyPlaceholder: drawable %lx placeholder %lx from %d %d pixmap size is %d %d "
"depth %d\n", drawable, nxagentPlaceholderPixmaps[depth], x, y, w, h, depth);
#endif
if (nxagentPlaceholderPixmaps[depth] == 0)
{
nxagentInitPlaceholder(depth);
}
XCopyArea(nxagentDisplay, nxagentPlaceholderPixmaps[depth],
drawable, gc, 0, 0, PLACEHOLDER_WIDTH, PLACEHOLDER_HEIGHT, x + 4, y + 4);
}
XFreeGC(nxagentDisplay, gc);
return;
}
#ifdef DUMP
static char hexdigit(char c)
{
char map[] = {'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F', '?'};
return map[c];
}
/*
FIXME: Please, check the implementation of the same
function in nxcomp.
*/
char *nxagentChecksum(char *string, int length)
{
static char md5_output[MD5_DIGEST_LENGTH * 2 + 1];
static char md5[MD5_DIGEST_LENGTH];
char * ret;
int i;
memset(md5, 0, sizeof(md5));
memset(md5_output, 0, sizeof(md5_output));
ret = MD5(string, length, md5);
for (i = 0; i < MD5_DIGEST_LENGTH; i++)
{
char c = md5[i];
md5_output[i * 2 + 0] = hexdigit((c >> 0) & 0xF);
md5_output[i * 2 + 1] = hexdigit((c >> 4) & 0xF);
}
return md5_output;
}
#else
const char *nxagentChecksum(char *data, int size)
{
return "";
}
#endif
|
