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 21 static gboolean check_for_xwin(Display *dpy) 22 { 23 const char *vendor = ServerVendor(dpy); 24 25 trace_xkeymap_vendor(vendor); 26 27 if (strstr(vendor, "Cygwin/X")) { 28 return TRUE; 29 } 30 31 return FALSE; 32 } 33 34 static gboolean check_for_xquartz(Display *dpy) 35 { 36 int nextensions; 37 int i; 38 gboolean match = FALSE; 39 char **extensions = XListExtensions(dpy, &nextensions); 40 for (i = 0 ; extensions != NULL && i < nextensions ; i++) { 41 trace_xkeymap_extension(extensions[i]); 42 if (strcmp(extensions[i], "Apple-WM") == 0 || 43 strcmp(extensions[i], "Apple-DRI") == 0) { 44 match = TRUE; 45 } 46 } 47 if (extensions) { 48 XFreeExtensionList(extensions); 49 } 50 51 return match; 52 } 53 54 const guint16 *qemu_xkeymap_mapping_table(Display *dpy, size_t *maplen) 55 { 56 XkbDescPtr desc; 57 const gchar *keycodes = NULL; 58 59 /* There is no easy way to determine what X11 server 60 * and platform & keyboard driver is in use. Thus we 61 * do best guess heuristics. 62 * 63 * This will need more work for people with other 64 * X servers..... patches welcomed. 65 */ 66 67 desc = XkbGetMap(dpy, 68 XkbGBN_AllComponentsMask, 69 XkbUseCoreKbd); 70 if (desc) { 71 if (XkbGetNames(dpy, XkbKeycodesNameMask, desc) == Success) { 72 keycodes = XGetAtomName (dpy, desc->names->keycodes); 73 if (!keycodes) { 74 g_warning("could not lookup keycode name"); 75 } else { 76 trace_xkeymap_keycodes(keycodes); 77 } 78 } 79 XkbFreeKeyboard(desc, XkbGBN_AllComponentsMask, True); 80 } 81 82 if (check_for_xwin(dpy)) { 83 trace_xkeymap_keymap("xwin"); 84 *maplen = qemu_input_map_xorgxwin_to_qcode_len; 85 return qemu_input_map_xorgxwin_to_qcode; 86 } else if (check_for_xquartz(dpy)) { 87 trace_xkeymap_keymap("xquartz"); 88 *maplen = qemu_input_map_xorgxquartz_to_qcode_len; 89 return qemu_input_map_xorgxquartz_to_qcode; 90 } else if (keycodes && g_str_has_prefix(keycodes, "evdev")) { 91 trace_xkeymap_keymap("evdev"); 92 *maplen = qemu_input_map_xorgevdev_to_qcode_len; 93 return qemu_input_map_xorgevdev_to_qcode; 94 } else if (keycodes && g_str_has_prefix(keycodes, "xfree86")) { 95 trace_xkeymap_keymap("kbd"); 96 *maplen = qemu_input_map_xorgkbd_to_qcode_len; 97 return qemu_input_map_xorgkbd_to_qcode; 98 } else { 99 trace_xkeymap_keymap("NULL"); 100 g_warning("Unknown X11 keycode mapping '%s'.\n" 101 "Please report to qemu-devel@nongnu.org\n" 102 "including the following information:\n" 103 "\n" 104 " - Operating system\n" 105 " - X11 Server\n" 106 " - xprop -root\n" 107 " - xdpyinfo\n", 108 keycodes ? keycodes : "<null>"); 109 return NULL; 110 } 111 } 112