static void
load_keyboard_map(char *xkbfile)
{
char* kbd;
char* xkbfileEnd;
int keymapLoaded = 0;
kbd = xkbfile;
xkbfileEnd = xkbfile + strlen(xkbfile);
#ifdef __APPLE__
/* Apple X11 breaks XKB detection */
keymapLoaded += load_xkb_keyboard("macosx(macosx)");
#else
do
{
// Multiple maps are separated by '+'
int kbdlen = strcspn(kbd + 1, "+") + 1;
kbd[kbdlen] = '\0';
// Load keyboard map
keymapLoaded += load_xkb_keyboard(kbd);
kbd += kbdlen + 1;
}
while(kbd < xkbfileEnd);
#endif
if(keymapLoaded <= 0)
{
// No keymap was loaded, load default hard-coded keymap
memcpy(keycodeToVkcode, defaultKeycodeToVkcode, sizeof(keycodeToVkcode));
}
}
void
load_keyboard_map(KeycodeToVkcode keycodeToVkcode, char *xkbfile)
{
char* kbd;
char* xkbfileEnd;
int keymapLoaded = 0;
memset(keycodeToVkcode, 0, sizeof(keycodeToVkcode));
kbd = xkbfile;
xkbfileEnd = xkbfile + strlen(xkbfile);
#ifdef __APPLE__
/* Apple X11 breaks XKB detection */
keymapLoaded += load_xkb_keyboard(keycodeToVkcode, "macosx(macosx)");
#else
do
{
/* Multiple maps are separated by '+' */
int kbdlen = strcspn(kbd + 1, "+") + 1;
kbd[kbdlen] = '\0';
/* Load keyboard map */
keymapLoaded += load_xkb_keyboard(keycodeToVkcode, kbd);
kbd += kbdlen + 1;
}
while (kbd < xkbfileEnd);
#endif
DEBUG_KBD("loaded %d keymaps", keymapLoaded);
if(keymapLoaded <= 0)
{
/* No keymap was loaded, load default hard-coded keymap */
DEBUG_KBD("using default keymap");
memcpy(keycodeToVkcode, defaultKeycodeToVkcode, sizeof(keycodeToVkcode));
}
}
static int load_xkb_keyboard(KeycodeToVkcode map, char* kbd)
{
char* pch;
char *beg, *end;
char* home;
char buffer[1024] = "";
char xkbfile[256] = "";
char xkbfilepath[512] = "";
char xkbmap[256] = "";
char xkbinc[256] = "";
FILE* fp;
int kbdFound = 0;
int i = 0;
int keycode = 0;
char keycodeString[32] = "";
char vkcodeName[128] = "";
beg = kbd;
/* Extract file name and keymap name */
if((end = strrchr(kbd, '(')) != NULL)
{
strncpy(xkbfile, &kbd[beg - kbd], end - beg);
beg = end + 1;
if((end = strrchr(kbd, ')')) != NULL)
{
strncpy(xkbmap, &kbd[beg - kbd], end - beg);
xkbmap[end - beg] = '\0';
}
}
else
{
/* The keyboard name is the same as the file name */
strcpy(xkbfile, kbd);
strcpy(xkbmap, kbd);
}
/* Get path to file relative to freerdp's directory */
snprintf(xkbfilepath, sizeof(xkbfilepath), "keymaps/%s", xkbfile);
DEBUG_KBD("Loading keymap %s, first trying %s", kbd, xkbfilepath);
/*
* Open the file for reading only
* It can happen that the same file is opened twice at the same time
* in order to load multiple keyboard maps from the same file, but
* it does not matter: files can be opened as many times as we want
* when it is for reading only.
*/
if((fp = fopen(xkbfilepath, "r")) == NULL)
{
/* Look first in path given at compile time (install path) */
snprintf(xkbfilepath, sizeof(xkbfilepath), "%s/%s", KEYMAP_PATH, xkbfile);
if((fp = fopen(xkbfilepath, "r")) == NULL)
{
/* If ran from the source tree, the keymaps will be in the parent directory */
snprintf(xkbfilepath, sizeof(xkbfilepath), "../keymaps/%s", xkbfile);
if((fp = fopen(xkbfilepath, "r")) == NULL)
{
/* File wasn't found in the source tree, try ~/.freerdp/ folder */
if((home = getenv("HOME")) == NULL)
return 0;
/* Get path to file in ~/.freerdp/ folder */
snprintf(xkbfilepath, sizeof(xkbfilepath), "%s/.freerdp/keymaps/%s", home, xkbfile);
if((fp = fopen(xkbfilepath, "r")) == NULL)
{
/* Try /usr/share/freerdp folder */
snprintf(xkbfilepath, sizeof(xkbfilepath), "/usr/share/freerdp/keymaps/%s", xkbfile);
if((fp = fopen(xkbfilepath, "r")) == NULL)
{
/* Try /usr/local/share/freerdp folder */
snprintf(xkbfilepath, sizeof(xkbfilepath), "/usr/local/share/freerdp/keymaps/%s", xkbfile);
if((fp = fopen(xkbfilepath, "r")) == NULL)
{
/* Error: Could not find keymap */
DEBUG_KBD("keymaps for %s not found", xkbfile);
return 0;
}
}
}
}
}
}
DEBUG_KBD("xkbfilepath: %s", xkbfilepath);
while(fgets(buffer, sizeof(buffer), fp) != NULL)
{
if(buffer[0] == '#')
{
continue; /* Skip comments */
}
if(kbdFound)
{
/* Closing curly bracket and semicolon */
if((pch = strstr(buffer, "};")) != NULL)
{
break;
}
else if((pch = strstr(buffer, "VK_")) != NULL)
{
/* The end is delimited by the first white space */
end = strcspn(pch, " \t\n\0") + pch;
/* We copy the virtual key code name in a string */
beg = pch;
strncpy(vkcodeName, beg, end - beg);
vkcodeName[end - beg] = '\0';
/* Now we want to extract the virtual key code itself which is in between '<' and '>' */
if((beg = strchr(pch + 3, '<')) == NULL)
break;
else
beg++;
if((end = strchr(beg, '>')) == NULL)
break;
/* We copy the string representing the number in a string */
strncpy(keycodeString, beg, end - beg);
keycodeString[end - beg] = '\0';
/* Convert the string representing the code to an integer */
keycode = atoi(keycodeString);
/* Make sure it is a valid keycode */
if(keycode < 0 || keycode > 255)
break;
/* Load this key mapping in the keyboard mapping */
for(i = 0; i < sizeof(virtualKeyboard) / sizeof(virtualKey); i++)
{
if(strcmp(vkcodeName, virtualKeyboard[i].name) == 0)
{
map[keycode] = i;
}
}
}
else if((pch = strstr(buffer, ": extends")) != NULL)
{
/*
* This map extends another keymap We extract its name
* and we recursively load the keymap we need to include.
*/
if((beg = strchr(pch + sizeof(": extends"), '"')) == NULL)
break;
beg++;
if((end = strchr(beg, '"')) == NULL)
break;
strncpy(xkbinc, beg, end - beg);
xkbinc[end - beg] = '\0';
load_xkb_keyboard(map, xkbinc); /* Load included keymap */
}
}
else if((pch = strstr(buffer, "keyboard")) != NULL)
{
/* Keyboard map identifier */
if((beg = strchr(pch + sizeof("keyboard"), '"')) == NULL)
break;
beg++;
if((end = strchr(beg, '"')) == NULL)
break;
pch = beg;
buffer[end - beg] = '\0';
/* Does it match our keymap name? */
if(strncmp(xkbmap, pch, strlen(xkbmap)) == 0)
kbdFound = 1;
}
}
fclose(fp); /* Don't forget to close file */
return 1;
}
