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a09e091a JB |
1 | /* main.m |
2 | * | |
3 | * Copyright (c) 2002-2012 Apple Inc. All rights reserved. | |
4 | * | |
5 | * Permission is hereby granted, free of charge, to any person | |
6 | * obtaining a copy of this software and associated documentation files | |
7 | * (the "Software"), to deal in the Software without restriction, | |
8 | * including without limitation the rights to use, copy, modify, merge, | |
9 | * publish, distribute, sublicense, and/or sell copies of the Software, | |
10 | * and to permit persons to whom the Software is furnished to do so, | |
11 | * subject to the following conditions: | |
12 | * | |
13 | * The above copyright notice and this permission notice shall be | |
14 | * included in all copies or substantial portions of the Software. | |
15 | * | |
16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, | |
17 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | |
18 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND | |
19 | * NONINFRINGEMENT. IN NO EVENT SHALL THE ABOVE LISTED COPYRIGHT | |
20 | * HOLDER(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, | |
21 | * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
22 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER | |
23 | * DEALINGS IN THE SOFTWARE. | |
24 | * | |
25 | * Except as contained in this notice, the name(s) of the above | |
26 | * copyright holders shall not be used in advertising or otherwise to | |
27 | * promote the sale, use or other dealings in this Software without | |
28 | * prior written authorization. | |
29 | */ | |
30 | ||
31 | #include "pbproxy.h" | |
32 | #import "x-selection.h" | |
33 | ||
34 | #include <pthread.h> | |
35 | #include <unistd.h> | |
36 | #include <X11/extensions/applewm.h> | |
37 | ||
38 | Display *xpbproxy_dpy; | |
39 | int xpbproxy_apple_wm_event_base, xpbproxy_apple_wm_error_base; | |
40 | int xpbproxy_xfixes_event_base, xpbproxy_xfixes_error_base; | |
41 | BOOL xpbproxy_have_xfixes; | |
42 | ||
43 | extern char *display; | |
44 | ||
45 | #ifdef STANDALONE_XPBPROXY | |
46 | BOOL xpbproxy_is_standalone = NO; | |
47 | #endif | |
48 | ||
49 | x_selection *_selection_object; | |
50 | ||
51 | extern BOOL serverRunning; | |
52 | extern pthread_mutex_t serverRunningMutex; | |
53 | extern pthread_cond_t serverRunningCond; | |
54 | ||
55 | static inline void | |
56 | wait_for_server_init(void) | |
57 | { | |
58 | /* If the server hasn't finished initializing, wait for it... */ | |
59 | if (!serverRunning) { | |
60 | pthread_mutex_lock(&serverRunningMutex); | |
61 | while (!serverRunning) | |
62 | pthread_cond_wait(&serverRunningCond, &serverRunningMutex); | |
63 | pthread_mutex_unlock(&serverRunningMutex); | |
64 | } | |
65 | } | |
66 | ||
67 | static int | |
68 | x_io_error_handler(Display *dpy) | |
69 | { | |
70 | /* We lost our connection to the server. */ | |
71 | ||
72 | TRACE(); | |
73 | ||
74 | /* trigger the thread to restart? | |
75 | * NO - this would be to a "deeper" problem, and restarts would just | |
76 | * make things worse... | |
77 | */ | |
78 | #ifdef STANDALONE_XPBPROXY | |
79 | if (xpbproxy_is_standalone) | |
80 | exit(EXIT_FAILURE); | |
81 | #endif | |
82 | ||
83 | /* Prevent _XIOError from calling exit() */ | |
84 | pthread_exit(NULL); | |
85 | return 0; | |
86 | } | |
87 | ||
88 | static int | |
89 | x_error_handler(Display *dpy, XErrorEvent *errevent) | |
90 | { | |
91 | return 0; | |
92 | } | |
93 | ||
94 | int | |
95 | xpbproxy_run(void) | |
96 | { | |
97 | NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init]; | |
98 | size_t i; | |
99 | ||
100 | wait_for_server_init(); | |
101 | ||
102 | for (i = 0, xpbproxy_dpy = NULL; !xpbproxy_dpy && i < 5; i++) { | |
103 | xpbproxy_dpy = XOpenDisplay(NULL); | |
104 | ||
105 | if (!xpbproxy_dpy && display) { | |
106 | char _display[32]; | |
107 | snprintf(_display, sizeof(_display), ":%s", display); | |
108 | setenv("DISPLAY", _display, TRUE); | |
109 | ||
110 | xpbproxy_dpy = XOpenDisplay(_display); | |
111 | } | |
112 | if (!xpbproxy_dpy) | |
113 | sleep(1); | |
114 | } | |
115 | ||
116 | if (xpbproxy_dpy == NULL) { | |
117 | ErrorF("xpbproxy: can't open default display\n"); | |
118 | [pool release]; | |
119 | return EXIT_FAILURE; | |
120 | } | |
121 | ||
122 | XSetIOErrorHandler(x_io_error_handler); | |
123 | XSetErrorHandler(x_error_handler); | |
124 | ||
125 | if (!XAppleWMQueryExtension(xpbproxy_dpy, &xpbproxy_apple_wm_event_base, | |
126 | &xpbproxy_apple_wm_error_base)) { | |
127 | ErrorF("xpbproxy: can't open AppleWM server extension\n"); | |
128 | [pool release]; | |
129 | return EXIT_FAILURE; | |
130 | } | |
131 | ||
132 | xpbproxy_have_xfixes = | |
133 | XFixesQueryExtension(xpbproxy_dpy, &xpbproxy_xfixes_event_base, | |
134 | &xpbproxy_xfixes_error_base); | |
135 | ||
136 | XAppleWMSelectInput(xpbproxy_dpy, AppleWMActivationNotifyMask | | |
137 | AppleWMPasteboardNotifyMask); | |
138 | ||
139 | _selection_object = [[x_selection alloc] init]; | |
140 | ||
141 | if (!xpbproxy_input_register()) { | |
142 | [pool release]; | |
143 | return EXIT_FAILURE; | |
144 | } | |
145 | ||
146 | [pool release]; | |
147 | ||
148 | CFRunLoopRun(); | |
149 | ||
150 | return EXIT_SUCCESS; | |
151 | } | |
152 | ||
153 | id | |
154 | xpbproxy_selection_object(void) | |
155 | { | |
156 | return _selection_object; | |
157 | } | |
158 | ||
159 | Time | |
160 | xpbproxy_current_timestamp(void) | |
161 | { | |
162 | /* FIXME: may want to fetch a timestamp from the server.. */ | |
163 | return CurrentTime; | |
164 | } |