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pressing key with multiple pressed keys

This commit is contained in:
mbattista 2021-04-10 11:43:04 +00:00
parent e5ca4ac184
commit be3453c37d
2 changed files with 121 additions and 13 deletions

View File

@ -248,9 +248,9 @@ func (manager *RemoteManager) SetKeyboardLayout(layout string) {
// Workaround for https://github.com/m1k1o/neko/issues/45
// When pressing `shift` + `,` instead of `<` comes `>`.
variant := ""
if layout == "us" {
variant = "mac" // TODO: Test all keys.
}
// if layout == "us" {
// variant = "mac" // TODO: Test all keys.
// }
exec.Command("setxkbmap", layout, variant).Run()
}

View File

@ -6,6 +6,69 @@ static char *NAME = ":0.0";
static int REGISTERED = 0;
static int DIRTY = 0;
struct linked_list
{
unsigned long number;
int keycode;
struct linked_list *next;
};
typedef struct linked_list node;
node *head=NULL, *last=NULL;
void insertAtLast(unsigned long value, int keycode) {
node *temp_node;
temp_node = (node *) malloc(sizeof(node));
temp_node->number = value;
temp_node->keycode = keycode;
temp_node->next = NULL;
//For the 1st element
if(head == NULL) {
head = temp_node;
last = temp_node;
} else {
last->next = temp_node;
last = temp_node;
}
}
void deleteItem(int value) {
node *myNode = head, *previous=NULL;
while(myNode!=NULL) {
if(myNode->number==value) {
if(previous==NULL)
head = myNode->next;
else
previous->next = myNode->next;
free(myNode); //need to free up the memory to prevent memory leak
break;
}
previous = myNode;
myNode = myNode->next;
}
}
int searchItem(int value) {
node *searchNode = head;
int flag = 0;
while(searchNode != NULL) {
if(searchNode->number==value) {
flag = searchNode->keycode;
break;
} else {
searchNode = searchNode->next;
}
}
return flag;
}
Display *getXDisplay(void) {
/* Close the display if displayName has changed */
if (DIRTY) {
@ -96,21 +159,66 @@ void XButton(unsigned int button, int down) {
}
}
KeyCode XkbKeysymToKeycode(KeySym keysym) {
XkbDescPtr xkb;
XkbStateRec state;
unsigned keycode;
Display *dpy = getXDisplay();
xkb = XkbGetMap(dpy, XkbAllComponentsMask, XkbUseCoreKbd);
if (!xkb)
return 0;
XkbGetState(dpy, XkbUseCoreKbd, &state);
for (keycode = xkb->min_key_code;
keycode <= xkb->max_key_code;
keycode++) {
KeySym cursym;
unsigned int mods;
XkbTranslateKeyCode(xkb, keycode, state.compat_state, &mods, &cursym);
if (cursym == keysym)
break;
}
if (keycode > xkb->max_key_code)
keycode = 0;
XkbFreeKeyboard(xkb, XkbAllComponentsMask, True);
return keycode;
}
void XKey(unsigned long key, int down) {
if (key != 0) {
Display *display = getXDisplay();
KeyCode code = XKeysymToKeycode(display, key);
// KeyCode code = XKeysymToKeycode(display, key);
// Map non-existing keysyms to new keycodes
if(code == 0) {
int min, max, numcodes;
XDisplayKeycodes(display, &min, &max);
XGetKeyboardMapping(display, min, max-min, &numcodes);
int code;
code = (max-min+1)*numcodes;
KeySym keysym_list[numcodes];
for(int i=0;i<numcodes;i++) keysym_list[i] = key;
XChangeKeyboardMapping(display, code, numcodes, keysym_list, 1);
if (down) {
code = searchItem(key);
if (code == 0) {
// XKeysymToKeycode() doesn't respect state, so we have to use
// something slightly more complex
code = XkbKeysymToKeycode(key);
// Map non-existing keysyms to new keycodes
if(code == 0) {
int min, max, numcodes;
XDisplayKeycodes(display, &min, &max);
XGetKeyboardMapping(display, min, max-min, &numcodes);
code = (max-min+1)*numcodes;
KeySym keysym_list[numcodes];
for(int i=0;i<numcodes;i++) keysym_list[i] = key;
XChangeKeyboardMapping(display, code, numcodes, keysym_list, 1);
}
insertAtLast(key, code);
}
} else {
code = searchItem(key);
deleteItem(key);
}
XTestFakeKeyEvent(display, code, down, CurrentTime);