static void
reset_winkey(uint32 ev_time)
{
if (g_use_rdp5)
{
/* For some reason, it seems to suffice to release
*either* the left or right winkey. */
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_LWIN);
}
}
void
reset_modifier_keys(unsigned int state)
{
/* reset keys */
uint32 ev_time;
ev_time = time(NULL);
if (MASK_HAS_BITS(remote_modifier_state, MapLeftShiftMask)
&& !get_key_state(state, XK_Shift_L))
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_LSHIFT);
if (MASK_HAS_BITS(remote_modifier_state, MapRightShiftMask)
&& !get_key_state(state, XK_Shift_R))
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_RSHIFT);
if (MASK_HAS_BITS(remote_modifier_state, MapLeftCtrlMask)
&& !get_key_state(state, XK_Control_L))
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_LCTRL);
if (MASK_HAS_BITS(remote_modifier_state, MapRightCtrlMask)
&& !get_key_state(state, XK_Control_R))
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_RCTRL);
if (MASK_HAS_BITS(remote_modifier_state, MapLeftAltMask) && !get_key_state(state, XK_Alt_L))
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_LALT);
if (MASK_HAS_BITS(remote_modifier_state, MapRightAltMask) &&
!get_key_state(state, XK_Alt_R) && !get_key_state(state, XK_Mode_switch))
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_RALT);
}
void
xkeymap_send_keys(uint32 keysym, unsigned int keycode, unsigned int state, uint32 ev_time,
RD_BOOL pressed, uint8 nesting)
{
key_translation tr, *ptr;
// printf("send keys: %.8X keysym, keycode: %.8X, state: %.8X\n", keysym, keycode, state);
tr = xkeymap_translate_key(keysym, keycode, state);
if (tr.seq_keysym == 0)
{
/* Scancode translation */
if (tr.scancode == 0)
return;
save_remote_modifiers(tr.scancode);
ensure_remote_modifiers(ev_time, tr);
rdp_send_scancode(ev_time, pressed ? RDP_KEYPRESS : RDP_KEYRELEASE, tr.scancode);
restore_remote_modifiers(ev_time, tr.scancode);
return;
}
/* Sequence, only on key down */
if (pressed)
{
ptr = &tr;
do
{
DEBUG_KBD(("Handling sequence element, keysym=0x%x\n",
(unsigned int) ptr->seq_keysym));
if (nesting++ > 32)
{
error("Sequence nesting too deep\n");
return;
}
xkeymap_send_keys(ptr->seq_keysym, keycode, state, ev_time, True, nesting);
xkeymap_send_keys(ptr->seq_keysym, keycode, state, ev_time, False, nesting);
ptr = ptr->next;
}
while (ptr);
}
}
void
reset_modifier_keys()
{
unsigned int state = read_keyboard_state();
/* reset keys */
uint32 ev_time;
ev_time = time(NULL);
printf("remote_modifier_state: %.8X\n", remote_modifier_state);
if (MASK_HAS_BITS(remote_modifier_state, MapLeftShiftMask)
&& !get_key_state(state, XK_Shift_L))
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_LSHIFT);
if (MASK_HAS_BITS(remote_modifier_state, MapRightShiftMask)
&& !get_key_state(state, XK_Shift_R))
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_RSHIFT);
if (MASK_HAS_BITS(remote_modifier_state, MapLeftCtrlMask)
&& !get_key_state(state, XK_Control_L))
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_LCTRL);
if (MASK_HAS_BITS(remote_modifier_state, MapRightCtrlMask)
&& !get_key_state(state, XK_Control_R))
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_RCTRL);
if (MASK_HAS_BITS(remote_modifier_state, MapLeftAltMask) && !get_key_state(state, XK_Alt_L))
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_LALT);
if (MASK_HAS_BITS(remote_modifier_state, MapRightAltMask) &&
!get_key_state(state, XK_Alt_R) && !get_key_state(state, XK_Mode_switch)
&& !get_key_state(state, XK_ISO_Level3_Shift))
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_RALT);
reset_winkey(ev_time);
if (g_numlock_sync)
rdp_send_input(ev_time, RDP_INPUT_SYNCHRONIZE, 0, ui_get_numlock_state(state), 0);
}
void
clear_modifier_keys()
{
unsigned int state = read_keyboard_state();
/* reset keys */
uint32 ev_time;
ev_time = time(NULL);
printf("remote_modifier_state: %.8X\n", remote_modifier_state);
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_LSHIFT);
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_RSHIFT);
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_LCTRL);
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_RCTRL);
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_LALT);
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_RALT);
remote_modifier_state=0;
reset_winkey(ev_time);
rdp_send_input(ev_time, RDP_INPUT_SYNCHRONIZE, 0, ui_get_numlock_state(state), 0);
}
static void
send_winkey(uint32 ev_time, RD_BOOL pressed, RD_BOOL leftkey)
{
uint8 winkey;
if (leftkey)
winkey = SCANCODE_CHAR_LWIN;
else
winkey = SCANCODE_CHAR_RWIN;
if (pressed)
{
if (g_use_rdp5)
{
rdp_send_scancode(ev_time, RDP_KEYPRESS, winkey);
}
else
{
/* RDP4 doesn't support winkey. Fake with Ctrl-Esc */
rdp_send_scancode(ev_time, RDP_KEYPRESS, SCANCODE_CHAR_LCTRL);
rdp_send_scancode(ev_time, RDP_KEYPRESS, SCANCODE_CHAR_ESC);
}
}
else
{
/* key released */
if (g_use_rdp5)
{
rdp_send_scancode(ev_time, RDP_KEYRELEASE, winkey);
}
else
{
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_ESC);
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_LCTRL);
}
}
}
void
ensure_remote_modifiers(uint32 ev_time, key_translation tr)
{
/* If this key is a modifier, do nothing */
if (is_modifier(tr.scancode))
return;
if (!g_numlock_sync)
{
/* NumLock */
if (MASK_HAS_BITS(tr.modifiers, MapNumLockMask)
!= MASK_HAS_BITS(remote_modifier_state, MapNumLockMask))
{
/* The remote modifier state is not correct */
uint16 new_remote_state;
if (MASK_HAS_BITS(tr.modifiers, MapNumLockMask))
{
DEBUG_KBD(("Remote NumLock state is incorrect, activating NumLock.\n"));
new_remote_state = KBD_FLAG_NUMLOCK;
remote_modifier_state = MapNumLockMask;
}
else
{
DEBUG_KBD(("Remote NumLock state is incorrect, deactivating NumLock.\n"));
new_remote_state = 0;
remote_modifier_state = 0;
}
rdp_send_input(0, RDP_INPUT_SYNCHRONIZE, 0, new_remote_state, 0);
}
}
/* Shift. Left shift and right shift are treated as equal; either is fine. */
if (MASK_HAS_BITS(tr.modifiers, MapShiftMask)
!= MASK_HAS_BITS(remote_modifier_state, MapShiftMask))
{
/* The remote modifier state is not correct */
if (MASK_HAS_BITS(tr.modifiers, MapLeftShiftMask))
{
/* Needs left shift. Send down. */
rdp_send_scancode(ev_time, RDP_KEYPRESS, SCANCODE_CHAR_LSHIFT);
}
else if (MASK_HAS_BITS(tr.modifiers, MapRightShiftMask))
{
/* Needs right shift. Send down. */
rdp_send_scancode(ev_time, RDP_KEYPRESS, SCANCODE_CHAR_RSHIFT);
}
else
{
/* Should not use this modifier. Send up for shift currently pressed. */
if (MASK_HAS_BITS(remote_modifier_state, MapLeftShiftMask))
/* Left shift is down */
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_LSHIFT);
else
/* Right shift is down */
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_RSHIFT);
}
}
/* AltGr */
if (MASK_HAS_BITS(tr.modifiers, MapAltGrMask)
!= MASK_HAS_BITS(remote_modifier_state, MapAltGrMask))
{
/* The remote modifier state is not correct */
if (MASK_HAS_BITS(tr.modifiers, MapAltGrMask))
{
/* Needs this modifier. Send down. */
rdp_send_scancode(ev_time, RDP_KEYPRESS, SCANCODE_CHAR_RALT);
}
else
{
/* Should not use this modifier. Send up. */
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_RALT);
}
}
}
/* Handle special key combinations */
RD_BOOL
handle_special_keys(uint32 keysym, unsigned int state, uint32 ev_time, RD_BOOL pressed)
{
switch (keysym)
{
case XK_Return:
if ((get_key_state(state, XK_Alt_L) || get_key_state(state, XK_Alt_R))
&& (get_key_state(state, XK_Control_L)
|| get_key_state(state, XK_Control_R)))
{
/* Ctrl-Alt-Enter: toggle full screen */
if (pressed)
xwin_toggle_fullscreen();
return True;
}
break;
case XK_Break:
/* Send Break sequence E0 46 E0 C6 */
if (pressed)
{
rdp_send_scancode(ev_time, RDP_KEYPRESS,
(SCANCODE_EXTENDED | 0x46));
rdp_send_scancode(ev_time, RDP_KEYPRESS,
(SCANCODE_EXTENDED | 0xc6));
}
/* No release sequence */
return True;
break;
case XK_Pause:
/* According to MS Keyboard Scan Code
Specification, pressing Pause should result
in E1 1D 45 E1 9D C5. I'm not exactly sure
of how this is supposed to be sent via
RDP. The code below seems to work, but with
the side effect that Left Ctrl stays
down. Therefore, we release it when Pause
is released. */
if (pressed)
{
rdp_send_input(ev_time, RDP_INPUT_SCANCODE, RDP_KEYPRESS, 0xe1, 0);
rdp_send_input(ev_time, RDP_INPUT_SCANCODE, RDP_KEYPRESS, 0x1d, 0);
rdp_send_input(ev_time, RDP_INPUT_SCANCODE, RDP_KEYPRESS, 0x45, 0);
rdp_send_input(ev_time, RDP_INPUT_SCANCODE, RDP_KEYPRESS, 0xe1, 0);
rdp_send_input(ev_time, RDP_INPUT_SCANCODE, RDP_KEYPRESS, 0x9d, 0);
rdp_send_input(ev_time, RDP_INPUT_SCANCODE, RDP_KEYPRESS, 0xc5, 0);
}
else
{
/* Release Left Ctrl */
rdp_send_input(ev_time, RDP_INPUT_SCANCODE, RDP_KEYRELEASE,
0x1d, 0);
}
return True;
break;
case XK_Meta_L: /* Windows keys */
case XK_Super_L:
case XK_Hyper_L:
send_winkey(ev_time, pressed, True);
return True;
break;
case XK_Meta_R:
case XK_Super_R:
case XK_Hyper_R:
send_winkey(ev_time, pressed, False);
return True;
break;
case XK_space:
/* Prevent access to the Windows system menu in single app mode */
if (g_win_button_size
&& (get_key_state(state, XK_Alt_L) || get_key_state(state, XK_Alt_R)))
return True;
break;
case XK_Num_Lock:
/* Synchronize on key release */
if (g_numlock_sync && !pressed)
rdp_send_input(0, RDP_INPUT_SYNCHRONIZE, 0,
ui_get_numlock_state(read_keyboard_state()), 0);
/* Inhibit */
return True;
break;
case XK_Overlay1_Enable:
/* Toggle SeamlessRDP */
if (pressed)
ui_seamless_toggle();
break;
}
return False;
}
/* Handles, for example, multi-scancode keypresses (which is not
possible via keymap-files) */
BOOL
handle_special_keys(uint32 keysym, unsigned int state, uint32 ev_time, BOOL pressed)
{
switch (keysym)
{
case XK_Return:
if ((get_key_state(state, XK_Alt_L) || get_key_state(state, XK_Alt_R))
&& (get_key_state(state, XK_Control_L)
|| get_key_state(state, XK_Control_R)))
{
/* Ctrl-Alt-Enter: toggle full screen */
if (pressed)
xwin_toggle_fullscreen();
return True;
}
break;
case XK_Break:
/* Send Break sequence E0 46 E0 C6 */
if (pressed)
{
rdp_send_scancode(ev_time, RDP_KEYPRESS,
(SCANCODE_EXTENDED | 0x46));
rdp_send_scancode(ev_time, RDP_KEYPRESS,
(SCANCODE_EXTENDED | 0xc6));
}
/* No release sequence */
return True;
case XK_Pause:
/* According to MS Keyboard Scan Code
Specification, pressing Pause should result
in E1 1D 45 E1 9D C5. I'm not exactly sure
of how this is supposed to be sent via
RDP. The code below seems to work, but with
the side effect that Left Ctrl stays
down. Therefore, we release it when Pause
is released. */
if (pressed)
{
rdp_send_input(ev_time, RDP_INPUT_SCANCODE, RDP_KEYPRESS, 0xe1, 0);
rdp_send_input(ev_time, RDP_INPUT_SCANCODE, RDP_KEYPRESS, 0x1d, 0);
rdp_send_input(ev_time, RDP_INPUT_SCANCODE, RDP_KEYPRESS, 0x45, 0);
rdp_send_input(ev_time, RDP_INPUT_SCANCODE, RDP_KEYPRESS, 0xe1, 0);
rdp_send_input(ev_time, RDP_INPUT_SCANCODE, RDP_KEYPRESS, 0x9d, 0);
rdp_send_input(ev_time, RDP_INPUT_SCANCODE, RDP_KEYPRESS, 0xc5, 0);
}
else
{
/* Release Left Ctrl */
rdp_send_input(ev_time, RDP_INPUT_SCANCODE, RDP_KEYRELEASE,
0x1d, 0);
}
return True;
case XK_Meta_L: /* Windows keys */
case XK_Super_L:
case XK_Hyper_L:
case XK_Meta_R:
case XK_Super_R:
case XK_Hyper_R:
if (pressed)
{
rdp_send_scancode(ev_time, RDP_KEYPRESS, SCANCODE_CHAR_LCTRL);
rdp_send_scancode(ev_time, RDP_KEYPRESS, SCANCODE_CHAR_ESC);
}
else
{
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_ESC);
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_LCTRL);
}
return True;
}
return False;
}
