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// Copyright (C) 1999 AT&T Laboratories Cambridge. All Rights Reserved.
//
// This file is part of the VNC system.
//
// The VNC system is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
// USA.
//
// If the source code for the VNC system is not available from the place
// whence you received this file, check http://www.uk.research.att.com/vnc or contact
// the authors on vnc@uk.research.att.com for information on obtaining it.
// Changes made on original code :
// This code originally just mapped between X keysyms and local Windows
// virtual keycodes. Now it actually does the local-end simulation of
// key presses, to keep this code on one place!
#include "vncKeymap.h"
#include "keysymdef.h"
// Define the keymap structure
typedef struct vncKeymapping_struct {
UINT wincode;
UINT Xcode;
} vncKeymapping;
const UINT ignorekeymap[] = {
XK_Scroll_Lock,
XK_Caps_Lock,
XK_Num_Lock
};
const vncKeymapping keymap[] = {
{'`', XK_dead_grave},
{'´', XK_dead_acute},
{'~', XK_dead_tilde},
{'^', XK_dead_circumflex},
{VK_BACK, XK_BackSpace},
{VK_TAB, XK_Tab},
{VK_CLEAR, XK_Clear},
{VK_RETURN, XK_Return},
{VK_LSHIFT, XK_Shift_L},
{VK_RSHIFT, XK_Shift_R},
{VK_LCONTROL, XK_Control_L},
{VK_RCONTROL, XK_Control_R},
{VK_LMENU, XK_Alt_L},
{VK_RMENU, XK_Alt_R},
{VK_PAUSE, XK_Pause},
{VK_CAPITAL, XK_Caps_Lock},
{VK_ESCAPE, XK_Escape},
{VK_SPACE, XK_space},
{VK_PRIOR, XK_Page_Up},
{VK_NEXT, XK_Page_Down},
{VK_END, XK_End},
{VK_HOME, XK_Home},
{VK_LEFT, XK_Left},
{VK_UP, XK_Up},
{VK_RIGHT, XK_Right},
{VK_DOWN, XK_Down},
{VK_SELECT, XK_Select},
{VK_EXECUTE, XK_Execute},
{VK_SNAPSHOT, XK_Print},
{VK_INSERT, XK_Insert},
{VK_DELETE, XK_Delete},
{VK_HELP, XK_Help},
{VK_NUMPAD0, XK_KP_0},
{VK_NUMPAD1, XK_KP_1},
{VK_NUMPAD2, XK_KP_2},
{VK_NUMPAD3, XK_KP_3},
{VK_NUMPAD4, XK_KP_4},
{VK_NUMPAD5, XK_KP_5},
{VK_NUMPAD6, XK_KP_6},
{VK_NUMPAD7, XK_KP_7},
{VK_NUMPAD8, XK_KP_8},
{VK_NUMPAD9, XK_KP_9},
{VK_SPACE, XK_KP_Space},
{VK_TAB, XK_KP_Tab},
{VK_RETURN, XK_KP_Enter},
{VK_F1, XK_KP_F1},
{VK_F2, XK_KP_F2},
{VK_F3, XK_KP_F3},
{VK_F4, XK_KP_F4},
{VK_HOME, XK_KP_Home},
{VK_LEFT, XK_KP_Left},
{VK_UP, XK_KP_Up},
{VK_RIGHT, XK_KP_Right},
{VK_DOWN, XK_KP_Down},
{VK_PRIOR, XK_KP_Prior},
{VK_PRIOR, XK_KP_Page_Up},
{VK_NEXT, XK_KP_Next},
{VK_NEXT, XK_KP_Page_Down},
{VK_END, XK_KP_End},
{VK_INSERT, XK_KP_Insert},
{VK_DELETE, XK_KP_Delete},
{VK_MULTIPLY, XK_KP_Multiply},
{VK_ADD, XK_KP_Add},
{VK_SEPARATOR, XK_KP_Separator},
{VK_SUBTRACT, XK_KP_Subtract},
{VK_DECIMAL, XK_KP_Decimal},
{VK_DIVIDE, XK_KP_Divide},
{VK_F1, XK_F1},
{VK_F2, XK_F2},
{VK_F3, XK_F3},
{VK_F4, XK_F4},
{VK_F5, XK_F5},
{VK_F6, XK_F6},
{VK_F7, XK_F7},
{VK_F8, XK_F8},
{VK_F9, XK_F9},
{VK_F10, XK_F10},
{VK_F11, XK_F11},
{VK_F12, XK_F12},
{VK_F13, XK_F13},
{VK_F14, XK_F14},
{VK_F15, XK_F15},
{VK_F16, XK_F16},
{VK_F17, XK_F17},
{VK_F18, XK_F18},
{VK_F19, XK_F19},
{VK_F20, XK_F20},
{VK_F21, XK_F21},
{VK_F22, XK_F22},
{VK_F23, XK_F23},
{VK_F24, XK_F24},
{VK_NUMLOCK, XK_Num_Lock},
{VK_SCROLL, XK_Scroll_Lock}
};
const VkScanKeyMap[] = {0x0020, 0x0131, 0x01DE, 0x0133, 0x0134, 0x0135, 0x0137,
0x00DE, 0x0139, 0x0130, 0x0138, 0x01BB, 0x00BC, 0x00BD,
0x00BE, 0x00BF, 0x0030, 0x0031, 0x0032, 0x0033, 0x0034,
0x0035, 0x0036, 0x0037, 0x0038, 0x0039, 0x01BA, 0x00BA,
0x01BC, 0x00BB, 0x01BE, 0x01BF, 0x0132, 0x0141, 0x0142,
0x0143, 0x0144, 0x0145, 0x0146, 0x0147, 0x0148, 0x0149,
0x014A, 0x014B, 0x014C, 0x014D, 0x014E, 0x014F, 0x0150,
0x0151, 0x0152, 0x0153, 0x0154, 0x0155, 0x0156, 0x0157,
0x0158, 0x0159, 0x015A, 0x00DB, 0x00DC, 0x00DD, 0x0136,
0x01BD, 0x00C0, 0x0041, 0x0042, 0x0043, 0x0044, 0x0045,
0x0046, 0x0047, 0x0048, 0x0049, 0x004A, 0x004B, 0x004C,
0x004D, 0x004E, 0x004F, 0x0050, 0x0051, 0x0052, 0x0053,
0x0054, 0x0055, 0x0056, 0x0057, 0x0058, 0x0059, 0x005A,
0x01DB, 0x01DC, 0x01DD, 0x01C0, 0x0208};
SHORT VkScanKey(char t)
{
if (t<32 || t>127)
return -1;
return VkScanKeyMap[t-32];
}
vncKeymap::vncKeymap()
{
};
void
KeybdEvent(BYTE keycode, DWORD flags)
{
// Send the desired keyboard event
keybd_event(keycode, MapVirtualKey(keycode, 0), flags, 0);
}
void
SetShiftState(BYTE key, BOOL down)
{
BOOL keystate = (GetAsyncKeyState(key) & 0x8000) != 0;
// This routine sets the specified key to the desired value (up or down)
if ((keystate && down) || ((!keystate) && (!down)))
return;
// Now send a key event to set the key to the new value
KeybdEvent(key, down ? 0 : KEYEVENTF_KEYUP);
keystate = (GetAsyncKeyState(key) & 0x8000) != 0;
}
void
vncKeymap::DoXkeysym(CARD32 keysym, BOOL keydown)
{
int i;
// Cull out some particular keysyms
for (i=0; i < (sizeof(ignorekeymap) / sizeof(UINT)); i++)
if (ignorekeymap[i] == keysym)
return;
// First just try to map the virtual keycode using our lookup-table
for (i = 0; i < (sizeof(keymap) / sizeof(vncKeymapping)); i++)
{
if (keymap[i].Xcode == keysym)
{
UINT virtcode = keymap[i].wincode;
// Now simulate the keyboard event
KeybdEvent((unsigned char) (virtcode & 255), keydown ? 0 : KEYEVENTF_KEYUP);
return;
}
}
// Otherwise, get the OS to tell us how to simulate it
SHORT keyval = VkScanKey((char) (keysym & 255)); //VkKeyScan((char) (keysym & 255));
//keyval = (GetKeyState(keyval) << 8) | keyval;
// Retrieve the keycode and shift state
BYTE keycode = LOBYTE(keyval);
BYTE keymask = HIBYTE(keyval);
if (keycode == -1)
return;
BOOL lshift;
BOOL ctrl;
BOOL alt;
// Correct the keymask shift state to cope with the capslock state
// Changed to 'Async' by qsf 27/4/99.
BOOL capslock = (GetAsyncKeyState(VK_CAPITAL) & 0x8000) != 0;
keymask = capslock ? keymask ^ 1 : keymask;
// No, so the modifier keys come in only one flavour
// Toggle shift to the required position
lshift = (GetAsyncKeyState(VK_SHIFT) & 0x8000) != 0;
SetShiftState(VK_SHIFT, keymask & 1);
// But only toggle Ctrl & Alt if they aught to be down
ctrl = (GetAsyncKeyState(VK_CONTROL) & 0x8000) != 0;
if (!ctrl) SetShiftState(VK_CONTROL, keymask & 2);
alt = (GetAsyncKeyState(VK_MENU) & 0x8000) != 0;
if (!alt) SetShiftState(VK_MENU, keymask & 4);
// Now send the desired keycode
KeybdEvent((unsigned char) (keycode & 255), keydown ? 0 : KEYEVENTF_KEYUP);
// No, so just reset the single versions
SetShiftState(VK_SHIFT, lshift);
SetShiftState(VK_CONTROL, ctrl);
SetShiftState(VK_MENU, alt);
}
void
vncKeymap::ClearShiftKeys()
{
// Otherwise, we can't distinguish the keys anyway...
// Clear the shift key states
SetShiftState(VK_SHIFT, FALSE);
SetShiftState(VK_CONTROL, FALSE);
SetShiftState(VK_MENU, FALSE);
} |
