Merge tag 'v6.2.0-rc4'
[qemu/ar7.git] / ui / x_keymap.c
blob2ce7b899615f8368c6a6e6984eabc31cb6b07241
1 /*
2 * QEMU X11 keymaps
4 * Copyright (C) 2009-2010 Daniel P. Berrange <dan@berrange.com>
5 * Copyright (C) 2017 Red Hat, Inc
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 2.1 as
9 * published by the Free Software Foundation.
12 #include "qemu/osdep.h"
14 #include "x_keymap.h"
15 #include "trace.h"
16 #include "qemu/notify.h"
17 #include "ui/input.h"
19 #include <X11/XKBlib.h>
20 #include <X11/Xutil.h>
22 static gboolean check_for_xwin(Display *dpy)
24 const char *vendor = ServerVendor(dpy);
26 trace_xkeymap_vendor(vendor);
28 if (strstr(vendor, "Cygwin/X")) {
29 return TRUE;
32 return FALSE;
35 static gboolean check_for_xquartz(Display *dpy)
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;
48 if (extensions) {
49 XFreeExtensionList(extensions);
52 return match;
55 const guint16 *qemu_xkeymap_mapping_table(Display *dpy, size_t *maplen)
57 XkbDescPtr desc;
58 const gchar *keycodes = NULL;
59 const guint16 *map;
61 /* There is no easy way to determine what X11 server
62 * and platform & keyboard driver is in use. Thus we
63 * do best guess heuristics.
65 * This will need more work for people with other
66 * X servers..... patches welcomed.
69 desc = XkbGetMap(dpy,
70 XkbGBN_AllComponentsMask,
71 XkbUseCoreKbd);
72 if (desc) {
73 if (XkbGetNames(dpy, XkbKeycodesNameMask, desc) == Success) {
74 keycodes = XGetAtomName (dpy, desc->names->keycodes);
75 if (!keycodes) {
76 g_warning("could not lookup keycode name");
77 } else {
78 trace_xkeymap_keycodes(keycodes);
81 XkbFreeKeyboard(desc, XkbGBN_AllComponentsMask, True);
84 if (check_for_xwin(dpy)) {
85 trace_xkeymap_keymap("xwin");
86 *maplen = qemu_input_map_xorgxwin_to_qcode_len;
87 map = qemu_input_map_xorgxwin_to_qcode;
88 } else if (check_for_xquartz(dpy)) {
89 trace_xkeymap_keymap("xquartz");
90 *maplen = qemu_input_map_xorgxquartz_to_qcode_len;
91 map = qemu_input_map_xorgxquartz_to_qcode;
92 } else if ((keycodes && g_str_has_prefix(keycodes, "evdev")) ||
93 (XKeysymToKeycode(dpy, XK_Page_Up) == 0x70)) {
94 trace_xkeymap_keymap("evdev");
95 *maplen = qemu_input_map_xorgevdev_to_qcode_len;
96 map = qemu_input_map_xorgevdev_to_qcode;
97 } else if ((keycodes && g_str_has_prefix(keycodes, "xfree86")) ||
98 (XKeysymToKeycode(dpy, XK_Page_Up) == 0x63)) {
99 trace_xkeymap_keymap("kbd");
100 *maplen = qemu_input_map_xorgkbd_to_qcode_len;
101 map = qemu_input_map_xorgkbd_to_qcode;
102 } else {
103 trace_xkeymap_keymap("NULL");
104 g_warning("Unknown X11 keycode mapping '%s'.\n"
105 "Please report to qemu-devel@nongnu.org\n"
106 "including the following information:\n"
107 "\n"
108 " - Operating system\n"
109 " - X11 Server\n"
110 " - xprop -root\n"
111 " - xdpyinfo\n",
112 keycodes ? keycodes : "<null>");
113 map = NULL;
115 if (keycodes) {
116 XFree((void *)keycodes);
118 return map;