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/* |
/* |
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rdesktop: A Remote Desktop Protocol client. |
rdesktop: A Remote Desktop Protocol client. |
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User interface services - X keyboard mapping |
User interface services - X keyboard mapping |
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Copyright (C) Matthew Chapman 1999-2002 |
Copyright (C) Matthew Chapman 1999-2002 |
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Copyright (C) Peter Astrand <peter@cendio.se> 2003 |
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This program is free software; you can redistribute it and/or modify |
This program is free software; you can redistribute it and/or modify |
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it under the terms of the GNU General Public License as published by |
it under the terms of the GNU General Public License as published by |
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#define KEYMAP_MAX_LINE_LENGTH 80 |
#define KEYMAP_MAX_LINE_LENGTH 80 |
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extern Display *g_display; |
extern Display *g_display; |
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extern Window g_wnd; |
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extern char keymapname[16]; |
extern char keymapname[16]; |
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extern int keylayout; |
extern int keylayout; |
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extern int g_win_button_size; |
extern int g_win_button_size; |
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extern BOOL g_enable_compose; |
extern BOOL g_enable_compose; |
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extern BOOL g_use_rdp5; |
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extern BOOL g_numlock_sync; |
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static BOOL keymap_loaded; |
static BOOL keymap_loaded; |
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static key_translation keymap[KEYMAP_SIZE]; |
static key_translation keymap[KEYMAP_SIZE]; |
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XDisplayKeycodes(g_display, &min_keycode, (int *) &max_keycode); |
XDisplayKeycodes(g_display, &min_keycode, (int *) &max_keycode); |
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} |
} |
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static void |
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send_winkey(uint32 ev_time, BOOL pressed, BOOL leftkey) |
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{ |
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uint8 winkey; |
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if (leftkey) |
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winkey = SCANCODE_CHAR_LWIN; |
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else |
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winkey = SCANCODE_CHAR_RWIN; |
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if (pressed) |
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{ |
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if (g_use_rdp5) |
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{ |
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rdp_send_scancode(ev_time, RDP_KEYPRESS, winkey); |
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} |
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else |
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{ |
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/* RDP4 doesn't support winkey. Fake with Ctrl-Esc */ |
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rdp_send_scancode(ev_time, RDP_KEYPRESS, SCANCODE_CHAR_LCTRL); |
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rdp_send_scancode(ev_time, RDP_KEYPRESS, SCANCODE_CHAR_ESC); |
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} |
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} |
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else |
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{ |
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/* key released */ |
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if (g_use_rdp5) |
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{ |
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rdp_send_scancode(ev_time, RDP_KEYRELEASE, winkey); |
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} |
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else |
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{ |
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rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_ESC); |
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rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_LCTRL); |
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} |
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} |
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} |
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static void |
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reset_winkey(uint32 ev_time) |
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{ |
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if (g_use_rdp5) |
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{ |
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/* For some reason, it seems to suffice to release |
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*either* the left or right winkey. */ |
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rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_LWIN); |
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} |
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} |
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/* Handles, for example, multi-scancode keypresses (which is not |
/* Handles, for example, multi-scancode keypresses (which is not |
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possible via keymap-files) */ |
possible via keymap-files) */ |
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BOOL |
BOOL |
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} |
} |
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/* No release sequence */ |
/* No release sequence */ |
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return True; |
return True; |
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break; |
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case XK_Pause: |
case XK_Pause: |
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/* According to MS Keyboard Scan Code |
/* According to MS Keyboard Scan Code |
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0x1d, 0); |
0x1d, 0); |
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} |
} |
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return True; |
return True; |
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break; |
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case XK_Meta_L: /* Windows keys */ |
case XK_Meta_L: /* Windows keys */ |
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case XK_Super_L: |
case XK_Super_L: |
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case XK_Hyper_L: |
case XK_Hyper_L: |
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send_winkey(ev_time, pressed, True); |
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return True; |
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break; |
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case XK_Meta_R: |
case XK_Meta_R: |
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case XK_Super_R: |
case XK_Super_R: |
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case XK_Hyper_R: |
case XK_Hyper_R: |
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if (pressed) |
send_winkey(ev_time, pressed, False); |
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{ |
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rdp_send_scancode(ev_time, RDP_KEYPRESS, SCANCODE_CHAR_LCTRL); |
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rdp_send_scancode(ev_time, RDP_KEYPRESS, SCANCODE_CHAR_ESC); |
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} |
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else |
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{ |
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rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_ESC); |
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rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_LCTRL); |
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} |
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return True; |
return True; |
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break; |
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case XK_space: |
case XK_space: |
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/* Prevent access to the Windows system menu in single app mode */ |
/* Prevent access to the Windows system menu in single app mode */ |
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if (g_win_button_size |
if (g_win_button_size |
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&& (get_key_state(state, XK_Alt_L) || get_key_state(state, XK_Alt_R))) |
&& (get_key_state(state, XK_Alt_L) || get_key_state(state, XK_Alt_R))) |
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return True; |
return True; |
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break; |
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case XK_Num_Lock: |
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/* FIXME: We might want to do RDP_INPUT_SYNCHRONIZE here, if g_numlock_sync */ |
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if (!g_numlock_sync) |
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/* Inhibit */ |
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return True; |
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break; |
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} |
} |
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return False; |
return False; |
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return ksname; |
return ksname; |
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} |
} |
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static BOOL |
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is_modifier(uint8 scancode) |
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{ |
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switch (scancode) |
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{ |
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case SCANCODE_CHAR_LSHIFT: |
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case SCANCODE_CHAR_RSHIFT: |
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case SCANCODE_CHAR_LCTRL: |
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case SCANCODE_CHAR_RCTRL: |
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case SCANCODE_CHAR_LALT: |
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case SCANCODE_CHAR_RALT: |
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case SCANCODE_CHAR_LWIN: |
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case SCANCODE_CHAR_RWIN: |
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case SCANCODE_CHAR_NUMLOCK: |
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return True; |
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default: |
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break; |
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} |
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return False; |
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} |
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void |
void |
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save_remote_modifiers() |
save_remote_modifiers(uint8 scancode) |
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{ |
{ |
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if (is_modifier(scancode)) |
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return; |
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saved_remote_modifier_state = remote_modifier_state; |
saved_remote_modifier_state = remote_modifier_state; |
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} |
} |
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void |
void |
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restore_remote_modifiers(uint32 ev_time) |
restore_remote_modifiers(uint32 ev_time, uint8 scancode) |
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{ |
{ |
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key_translation dummy; |
key_translation dummy; |
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if (is_modifier(scancode)) |
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return; |
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dummy.scancode = 0; |
dummy.scancode = 0; |
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dummy.modifiers = saved_remote_modifier_state; |
dummy.modifiers = saved_remote_modifier_state; |
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ensure_remote_modifiers(ev_time, dummy); |
ensure_remote_modifiers(ev_time, dummy); |
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ensure_remote_modifiers(uint32 ev_time, key_translation tr) |
ensure_remote_modifiers(uint32 ev_time, key_translation tr) |
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{ |
{ |
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/* If this key is a modifier, do nothing */ |
/* If this key is a modifier, do nothing */ |
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switch (tr.scancode) |
if (is_modifier(tr.scancode)) |
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{ |
return; |
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case SCANCODE_CHAR_LSHIFT: |
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case SCANCODE_CHAR_RSHIFT: |
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case SCANCODE_CHAR_LCTRL: |
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case SCANCODE_CHAR_RCTRL: |
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case SCANCODE_CHAR_LALT: |
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case SCANCODE_CHAR_RALT: |
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case SCANCODE_CHAR_LWIN: |
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case SCANCODE_CHAR_RWIN: |
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case SCANCODE_CHAR_NUMLOCK: |
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return; |
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default: |
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break; |
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} |
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/* NumLock */ |
if (!g_numlock_sync) |
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if (MASK_HAS_BITS(tr.modifiers, MapNumLockMask) |
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!= MASK_HAS_BITS(remote_modifier_state, MapNumLockMask)) |
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{ |
{ |
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/* The remote modifier state is not correct */ |
/* NumLock */ |
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uint16 new_remote_state; |
if (MASK_HAS_BITS(tr.modifiers, MapNumLockMask) |
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!= MASK_HAS_BITS(remote_modifier_state, MapNumLockMask)) |
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if (MASK_HAS_BITS(tr.modifiers, MapNumLockMask)) |
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{ |
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DEBUG_KBD(("Remote NumLock state is incorrect, activating NumLock.\n")); |
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new_remote_state = KBD_FLAG_NUMLOCK; |
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remote_modifier_state = MapNumLockMask; |
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} |
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else |
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{ |
{ |
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DEBUG_KBD(("Remote NumLock state is incorrect, deactivating NumLock.\n")); |
/* The remote modifier state is not correct */ |
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new_remote_state = 0; |
uint16 new_remote_state; |
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remote_modifier_state = 0; |
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} |
if (MASK_HAS_BITS(tr.modifiers, MapNumLockMask)) |
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{ |
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DEBUG_KBD(("Remote NumLock state is incorrect, activating NumLock.\n")); |
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new_remote_state = KBD_FLAG_NUMLOCK; |
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remote_modifier_state = MapNumLockMask; |
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} |
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else |
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{ |
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DEBUG_KBD(("Remote NumLock state is incorrect, deactivating NumLock.\n")); |
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new_remote_state = 0; |
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remote_modifier_state = 0; |
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} |
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rdp_send_input(0, RDP_INPUT_SYNCHRONIZE, 0, new_remote_state, 0); |
rdp_send_input(0, RDP_INPUT_SYNCHRONIZE, 0, new_remote_state, 0); |
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} |
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} |
} |
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/* Shift. Left shift and right shift are treated as equal; either is fine. */ |
/* Shift. Left shift and right shift are treated as equal; either is fine. */ |
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if (MASK_HAS_BITS(tr.modifiers, MapShiftMask) |
if (MASK_HAS_BITS(tr.modifiers, MapShiftMask) |
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!= MASK_HAS_BITS(remote_modifier_state, MapShiftMask)) |
!= MASK_HAS_BITS(remote_modifier_state, MapShiftMask)) |
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} |
} |
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unsigned int |
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read_keyboard_state() |
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{ |
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unsigned int state; |
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Window wdummy; |
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int dummy; |
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XQueryPointer(g_display, g_wnd, &wdummy, &wdummy, &dummy, &dummy, &dummy, &dummy, &state); |
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return state; |
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} |
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uint16 |
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ui_get_numlock_state(unsigned int state) |
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{ |
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uint16 numlock_state = 0; |
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if (get_key_state(state, XK_Num_Lock)) |
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numlock_state = KBD_FLAG_NUMLOCK; |
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return numlock_state; |
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} |
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void |
void |
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reset_modifier_keys(unsigned int state) |
reset_modifier_keys() |
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{ |
{ |
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unsigned int state = read_keyboard_state(); |
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/* reset keys */ |
/* reset keys */ |
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uint32 ev_time; |
uint32 ev_time; |
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ev_time = time(NULL); |
ev_time = time(NULL); |
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if (MASK_HAS_BITS(remote_modifier_state, MapRightAltMask) && |
if (MASK_HAS_BITS(remote_modifier_state, MapRightAltMask) && |
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!get_key_state(state, XK_Alt_R) && !get_key_state(state, XK_Mode_switch)) |
!get_key_state(state, XK_Alt_R) && !get_key_state(state, XK_Mode_switch)) |
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rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_RALT); |
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_RALT); |
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reset_winkey(ev_time); |
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if (g_numlock_sync) |
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rdp_send_input(ev_time, RDP_INPUT_SYNCHRONIZE, 0, ui_get_numlock_state(state), 0); |
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} |
} |
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case SCANCODE_CHAR_NUMLOCK: |
case SCANCODE_CHAR_NUMLOCK: |
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/* KeyReleases for NumLocks are sent immediately. Toggle the |
/* KeyReleases for NumLocks are sent immediately. Toggle the |
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modifier state only on Keypress */ |
modifier state only on Keypress */ |
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if (pressed) |
if (pressed && !g_numlock_sync) |
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{ |
{ |
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BOOL newNumLockState; |
BOOL newNumLockState; |
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newNumLockState = |
newNumLockState = |
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MASK_CHANGE_BIT(remote_modifier_state, |
MASK_CHANGE_BIT(remote_modifier_state, |
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MapNumLockMask, newNumLockState); |
MapNumLockMask, newNumLockState); |
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} |
} |
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break; |
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} |
} |
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#ifdef WITH_DEBUG_KBD |
#ifdef WITH_DEBUG_KBD |