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1 | /* | |
2 | * QEMU X11 keymaps | |
3 | * | |
4 | * Copyright (C) 2009-2010 Daniel P. Berrange <dan@berrange.com> | |
5 | * Copyright (C) 2017 Red Hat, Inc | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or modify | |
8 | * it under the terms of the GNU Lesser General Public License version 2 as | |
9 | * published by the Free Software Foundation. | |
10 | */ | |
11 | ||
12 | #include "qemu/osdep.h" | |
13 | ||
14 | #include "x_keymap.h" | |
15 | #include "trace.h" | |
16 | #include "qemu/notify.h" | |
17 | #include "ui/input.h" | |
18 | ||
19 | #include <X11/XKBlib.h> | |
20 | #include <X11/Xutil.h> | |
21 | ||
22 | static gboolean check_for_xwin(Display *dpy) | |
23 | { | |
24 | const char *vendor = ServerVendor(dpy); | |
25 | ||
26 | trace_xkeymap_vendor(vendor); | |
27 | ||
28 | if (strstr(vendor, "Cygwin/X")) { | |
29 | return TRUE; | |
30 | } | |
31 | ||
32 | return FALSE; | |
33 | } | |
34 | ||
35 | static gboolean check_for_xquartz(Display *dpy) | |
36 | { | |
37 | int nextensions; | |
38 | int i; | |
39 | gboolean match = FALSE; | |
40 | char **extensions = XListExtensions(dpy, &nextensions); | |
41 | for (i = 0 ; extensions != NULL && i < nextensions ; i++) { | |
42 | trace_xkeymap_extension(extensions[i]); | |
43 | if (strcmp(extensions[i], "Apple-WM") == 0 || | |
44 | strcmp(extensions[i], "Apple-DRI") == 0) { | |
45 | match = TRUE; | |
46 | } | |
47 | } | |
48 | if (extensions) { | |
49 | XFreeExtensionList(extensions); | |
50 | } | |
51 | ||
52 | return match; | |
53 | } | |
54 | ||
55 | const guint16 *qemu_xkeymap_mapping_table(Display *dpy, size_t *maplen) | |
56 | { | |
57 | XkbDescPtr desc; | |
58 | const gchar *keycodes = NULL; | |
59 | ||
60 | /* There is no easy way to determine what X11 server | |
61 | * and platform & keyboard driver is in use. Thus we | |
62 | * do best guess heuristics. | |
63 | * | |
64 | * This will need more work for people with other | |
65 | * X servers..... patches welcomed. | |
66 | */ | |
67 | ||
68 | desc = XkbGetMap(dpy, | |
69 | XkbGBN_AllComponentsMask, | |
70 | XkbUseCoreKbd); | |
71 | if (desc) { | |
72 | if (XkbGetNames(dpy, XkbKeycodesNameMask, desc) == Success) { | |
73 | keycodes = XGetAtomName (dpy, desc->names->keycodes); | |
74 | if (!keycodes) { | |
75 | g_warning("could not lookup keycode name"); | |
76 | } else { | |
77 | trace_xkeymap_keycodes(keycodes); | |
78 | } | |
79 | } | |
80 | XkbFreeKeyboard(desc, XkbGBN_AllComponentsMask, True); | |
81 | } | |
82 | ||
83 | if (check_for_xwin(dpy)) { | |
84 | trace_xkeymap_keymap("xwin"); | |
85 | *maplen = qemu_input_map_xorgxwin_to_qcode_len; | |
86 | return qemu_input_map_xorgxwin_to_qcode; | |
87 | } else if (check_for_xquartz(dpy)) { | |
88 | trace_xkeymap_keymap("xquartz"); | |
89 | *maplen = qemu_input_map_xorgxquartz_to_qcode_len; | |
90 | return qemu_input_map_xorgxquartz_to_qcode; | |
91 | } else if ((keycodes && g_str_has_prefix(keycodes, "evdev")) || | |
92 | (XKeysymToKeycode(dpy, XK_Page_Up) == 0x70)) { | |
93 | trace_xkeymap_keymap("evdev"); | |
94 | *maplen = qemu_input_map_xorgevdev_to_qcode_len; | |
95 | return qemu_input_map_xorgevdev_to_qcode; | |
96 | } else if ((keycodes && g_str_has_prefix(keycodes, "xfree86")) || | |
97 | (XKeysymToKeycode(dpy, XK_Page_Up) == 0x63)) { | |
98 | trace_xkeymap_keymap("kbd"); | |
99 | *maplen = qemu_input_map_xorgkbd_to_qcode_len; | |
100 | return qemu_input_map_xorgkbd_to_qcode; | |
101 | } else { | |
102 | trace_xkeymap_keymap("NULL"); | |
103 | g_warning("Unknown X11 keycode mapping '%s'.\n" | |
104 | "Please report to qemu-devel@nongnu.org\n" | |
105 | "including the following information:\n" | |
106 | "\n" | |
107 | " - Operating system\n" | |
108 | " - X11 Server\n" | |
109 | " - xprop -root\n" | |
110 | " - xdpyinfo\n", | |
111 | keycodes ? keycodes : "<null>"); | |
112 | return NULL; | |
113 | } | |
114 | } |