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
|
// Display.cc for Blackbox - an X11 Window manager
// Copyright (c) 1997 - 1999 by Brad Hughes, bhughes@tcac.net
//
// 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
//
// (See the included file COPYING / GPL-2.0)
//
#ifndef _GNU_SOURCE
#define _GNU_SOURCE
#endif // _GNU_SOURCE
#ifdef HAVE_CONFIG_H
# include "../config.h"
#endif // HAVE_CONFIG_H
#include <X11/Xlib.h>
#include <X11/Xatom.h>
#include <X11/Xutil.h>
#include <X11/cursorfont.h>
#ifdef SHAPE
# include <X11/extensions/shape.h>
#endif // SHAPE
#include "BaseDisplay.hh"
#ifdef HAVE_STDIO_H
# include <stdio.h>
#endif // HAVE_STDIO_H
#ifdef HAVE_FCNTL_H
# include <fcntl.h>
#endif // HAVE_FCNTL_H
BaseDisplay::BaseDisplay(char *dpy_name) {
_startup = True;
_shutdown = False;
server_grabs = 0;
if (! (display = XOpenDisplay(dpy_name))) {
fprintf(stderr,
"BaseDisplay::BaseDisplay: connection to X server failed.\n");
::exit(2);
} else if (fcntl(ConnectionNumber(display), F_SETFD, 1) == -1) {
fprintf(stderr,
"BaseDisplay::BaseDisplay: couldn't mark display connection "
"as close-on-exec\n");
::exit(2);
}
number_of_screens = ScreenCount(display);
display_name = XDisplayName(dpy_name);
#ifdef SHAPE
shape.extensions = XShapeQueryExtension(display, &shape.event_basep,
&shape.error_basep);
#else // !SHAPE
shape.extensions = False;
#endif // SHAPE
xa_wm_colormap_windows =
XInternAtom(display, "WM_COLORMAP_WINDOWS", False);
xa_wm_protocols = XInternAtom(display, "WM_PROTOCOLS", False);
xa_wm_state = XInternAtom(display, "WM_STATE", False);
xa_wm_change_state = XInternAtom(display, "WM_CHANGE_STATE", False);
xa_wm_delete_window = XInternAtom(display, "WM_DELETE_WINDOW", False);
xa_wm_take_focus = XInternAtom(display, "WM_TAKE_FOCUS", False);
motif_wm_hints = XInternAtom(display, "_MOTIF_WM_HINTS", False);
cursor.session = XCreateFontCursor(display, XC_left_ptr);
cursor.move = XCreateFontCursor(display, XC_fleur);
screenInfoList = new LinkedList<ScreenInfo>;
int i;
for (i = 0; i < number_of_screens; i++) {
ScreenInfo *screeninfo = new ScreenInfo(this, i);
screenInfoList->insert(screeninfo);
}
}
BaseDisplay::~BaseDisplay(void) {
while (screenInfoList->count())
delete screenInfoList->remove(0);
delete screenInfoList;
XCloseDisplay(display);
}
void BaseDisplay::eventLoop(void) {
run();
while (! _shutdown) {
XEvent e;
XNextEvent(display, &e);
process_event(&e);
}
}
Bool BaseDisplay::validateWindow(Window window) {
XEvent event;
if (XCheckTypedWindowEvent(display, window, DestroyNotify, &event)) {
XPutBackEvent(display, &event);
return False;
}
return True;
}
void BaseDisplay::grab(void) {
if (! server_grabs++)
XGrabServer(display);
XSync(display, False);
}
void BaseDisplay::ungrab(void) {
if (! --server_grabs)
XUngrabServer(display);
if (server_grabs < 0) server_grabs = 0;
}
ScreenInfo::ScreenInfo(BaseDisplay *d, int num) {
display = d;
screen_number = num;
root_window = RootWindow(display->getDisplay(), screen_number);
visual = DefaultVisual(display->getDisplay(), screen_number);
depth = DefaultDepth(display->getDisplay(), screen_number);
width =
WidthOfScreen(ScreenOfDisplay(display->getDisplay(), screen_number));
height =
HeightOfScreen(ScreenOfDisplay(display->getDisplay(), screen_number));
}
|
