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 | } |
115 | |