void keyboard_state_machine(unsigned char scancode)
{
/* this will process the incoming scancodes, translate them to
* a character stream, and write them to the masterfd of the
* current pty. */
bool release = false;
if(!scancode)
return;
/* first, take care of protocol codes */
switch(scancode) {
case 0xee: case 0xf1: case 0xfa:
return;
case 0xfc: case 0xfd: case 0xfe: case 0xff:
syslog(LOG_ERR, "internal keyboard error: %x\n", scancode);
return;
}
/* TODO: actually handle escaped codes */
if(scancode == 0xe0)
return;
if(scancode & 0x80) {
release = true;
scancode -= 0x80;
}
unsigned int key = 0;
switch(scancode) {
case 0x1d:
ctrl = !release;
break;
case 0x2a:
shift = !release;
break;
case 0x38:
alt = !release;
break;
case 0x3a:
capslock = !capslock;
break;
default:
if(shift)
key = us_map_shift[scancode];
else if(ctrl)
key = us_map_ctrl[scancode];
else
key = us_map[scancode];
if(shift ^ capslock)
key = toupper(key);
if(key == 0)
syslog(LOG_ERR, "unknown scancode: %x (%d %d %d)\n", scancode, shift, ctrl, alt);
else if(!release && key < 256) {
sendkey((unsigned char)key);
} else if(!release) {
special_key(key);
}
}
}
static LRESULT CALLBACK window_cb(HWND window, UINT message,
WPARAM wparam, LPARAM lparam)
{
dpy_flushkeys();
switch (message)
{
case WM_CLOSE:
return 0;
case WM_EXITSIZEMOVE:
if (!isfullscreen)
{
window_geometry_valid = true;
GetWindowRect(window, &window_geometry);
write_window_geometry();
}
break;
case WM_SIZE:
if (!window_created)
{
create_cb();
window_created = true;
}
resize_buffer();
break;
case WM_SIZING:
sizing_cb(wparam, (RECT*) lparam);
goto delegate;
case WM_ERASEBKGND:
return 1;
case WM_PAINT:
{
PAINTSTRUCT ps;
BeginPaint(window, &ps);
paint_cb(window, &ps, ps.hdc);
EndPaint(window, &ps);
break;
}
case WM_PRINTCLIENT:
{
PAINTSTRUCT ps;
ps.hdc = (HDC) wparam;
GetClientRect(window, &ps.rcPaint);
paint_cb(window, &ps, ps.hdc);
break;
}
case WM_CHAR:
{
unicode_key(wparam, lparam);
break;
}
case WM_KEYDOWN:
case WM_SYSKEYDOWN:
{
if (special_key(wparam, lparam))
return 1;
break;
}
case WM_SYSCOMMAND:
{
switch (wparam)
{
case MENUITEM_SETFONT:
setfont_cb();
break;
case MENUITEM_FULLSCREEN:
fullscreen_cb();
break;
}
goto delegate;
}
case WM_TIMER:
{
if (wparam == TIMEOUT_TIMER_ID)
{
dpy_queuekey(-VK_TIMEOUT);
break;
}
goto delegate;
}
delegate:
default:
return DefWindowProcW(window, message, wparam, lparam);
}
return 0;
}