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
|
/*
Copyright 1993 by Davor Matic
Permission to use, copy, modify, distribute, and sell this software
and its documentation for any purpose is hereby granted without fee,
provided that the above copyright notice appear in all copies and that
both that copyright notice and this permission notice appear in
supporting documentation. Davor Matic makes no representations about
the suitability of this software for any purpose. It is provided "as
is" without express or implied warranty.
*/
#ifdef HAVE_XNEST_CONFIG_H
#include <xnest-config.h>
#endif
#include <string.h>
#include <errno.h>
#include <X11/X.h>
#include <X11/Xproto.h>
#include "screenint.h"
#include "input.h"
#include "misc.h"
#include "scrnintstr.h"
#include "servermd.h"
#include "Xnest.h"
#include "Display.h"
#include "Init.h"
#include "Args.h"
#include "icon"
#include "screensaver"
Display *xnestDisplay = NULL;
XVisualInfo *xnestVisuals;
int xnestNumVisuals;
int xnestDefaultVisualIndex;
Colormap *xnestDefaultColormaps;
static int xnestNumDefaultColormaps;
int *xnestDepths;
int xnestNumDepths;
XPixmapFormatValues *xnestPixmapFormats;
int xnestNumPixmapFormats;
Pixel xnestBlackPixel;
Pixel xnestWhitePixel;
Drawable xnestDefaultDrawables[MAXDEPTH + 1];
Pixmap xnestIconBitmap;
Pixmap xnestScreenSaverPixmap;
XlibGC xnestBitmapGC;
unsigned long xnestEventMask;
static int _X_NORETURN
x_io_error_handler (Display *dpy) {
ErrorF("Lost connection to X server: %s\n", strerror(errno));
CloseWellKnownConnections();
OsCleanup(1);
exit(1);
}
void
xnestOpenDisplay(int argc, char *argv[])
{
XVisualInfo vi;
long mask;
int i, j;
if (!xnestDoFullGeneration) return;
XSetIOErrorHandler(x_io_error_handler);
xnestCloseDisplay();
xnestDisplay = XOpenDisplay(xnestDisplayName);
if (xnestDisplay == NULL)
FatalError("Unable to open display \"%s\".\n",
XDisplayName(xnestDisplayName));
if (xnestSynchronize)
XSynchronize(xnestDisplay, True);
mask = VisualScreenMask;
vi.screen = DefaultScreen(xnestDisplay);
xnestVisuals = XGetVisualInfo(xnestDisplay, mask, &vi, &xnestNumVisuals);
if (xnestNumVisuals == 0 || xnestVisuals == NULL)
FatalError("Unable to find any visuals.\n");
if (xnestUserDefaultClass || xnestUserDefaultDepth) {
xnestDefaultVisualIndex = UNDEFINED;
for (i = 0; i < xnestNumVisuals; i++)
if ((!xnestUserDefaultClass ||
xnestVisuals[i].class == xnestDefaultClass)
&&
(!xnestUserDefaultDepth ||
xnestVisuals[i].depth == xnestDefaultDepth)) {
xnestDefaultVisualIndex = i;
break;
}
if (xnestDefaultVisualIndex == UNDEFINED)
FatalError("Unable to find desired default visual.\n");
}
else {
vi.visualid = XVisualIDFromVisual(DefaultVisual(xnestDisplay,
DefaultScreen(xnestDisplay)));
xnestDefaultVisualIndex = 0;
for (i = 0; i < xnestNumVisuals; i++)
if (vi.visualid == xnestVisuals[i].visualid)
xnestDefaultVisualIndex = i;
}
xnestNumDefaultColormaps = xnestNumVisuals;
xnestDefaultColormaps = (Colormap *)malloc(xnestNumDefaultColormaps *
sizeof(Colormap));
for (i = 0; i < xnestNumDefaultColormaps; i++)
xnestDefaultColormaps[i] = XCreateColormap(xnestDisplay,
DefaultRootWindow(xnestDisplay),
xnestVisuals[i].visual,
AllocNone);
xnestDepths = XListDepths(xnestDisplay, DefaultScreen(xnestDisplay),
&xnestNumDepths);
xnestPixmapFormats = XListPixmapFormats(xnestDisplay,
&xnestNumPixmapFormats);
xnestBlackPixel = BlackPixel(xnestDisplay, DefaultScreen(xnestDisplay));
xnestWhitePixel = WhitePixel(xnestDisplay, DefaultScreen(xnestDisplay));
if (xnestParentWindow != (Window) 0)
xnestEventMask = StructureNotifyMask;
else
xnestEventMask = 0L;
for (i = 0; i <= MAXDEPTH; i++)
xnestDefaultDrawables[i] = None;
for (i = 0; i < xnestNumPixmapFormats; i++)
for (j = 0; j < xnestNumDepths; j++)
if (xnestPixmapFormats[i].depth == 1 ||
xnestPixmapFormats[i].depth == xnestDepths[j]) {
xnestDefaultDrawables[xnestPixmapFormats[i].depth] =
XCreatePixmap(xnestDisplay, DefaultRootWindow(xnestDisplay),
1, 1, xnestPixmapFormats[i].depth);
}
xnestBitmapGC = XCreateGC(xnestDisplay, xnestDefaultDrawables[1], 0L, NULL);
if (!(xnestUserGeometry & XValue))
xnestX = 0;
if (!(xnestUserGeometry & YValue))
xnestY = 0;
if (xnestParentWindow == 0) {
if (!(xnestUserGeometry & WidthValue))
xnestWidth = 3 * DisplayWidth(xnestDisplay,
DefaultScreen(xnestDisplay)) / 4;
if (!(xnestUserGeometry & HeightValue))
xnestHeight = 3 * DisplayHeight(xnestDisplay,
DefaultScreen(xnestDisplay)) / 4;
}
if (!xnestUserBorderWidth)
xnestBorderWidth = 1;
xnestIconBitmap =
XCreateBitmapFromData(xnestDisplay,
DefaultRootWindow(xnestDisplay),
(char *)icon_bits,
icon_width,
icon_height);
xnestScreenSaverPixmap =
XCreatePixmapFromBitmapData(xnestDisplay,
DefaultRootWindow(xnestDisplay),
(char *)screensaver_bits,
screensaver_width,
screensaver_height,
xnestWhitePixel,
xnestBlackPixel,
DefaultDepth(xnestDisplay,
DefaultScreen(xnestDisplay)));
}
void
xnestCloseDisplay(void)
{
if (!xnestDoFullGeneration || !xnestDisplay) return;
/*
If xnestDoFullGeneration all x resources will be destroyed upon closing
the display connection. There is no need to generate extra protocol.
*/
free(xnestDefaultColormaps);
XFree(xnestVisuals);
XFree(xnestDepths);
XFree(xnestPixmapFormats);
XCloseDisplay(xnestDisplay);
}
|
