From 8907955471eb1e6507b3e1a7a2ca2ce0849b7766 Mon Sep 17 00:00:00 2001 From: root Date: Mon, 25 May 2015 17:59:50 +0100 Subject: fish --- keymap.c | 261 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 261 insertions(+) create mode 100644 keymap.c (limited to 'keymap.c') diff --git a/keymap.c b/keymap.c new file mode 100644 index 0000000..7da942b --- /dev/null +++ b/keymap.c @@ -0,0 +1,261 @@ +// This file comes from the vncviewer source +// Converted to C from C++ and used in -fromwin version of x2x +// 2003 By Mark Hayter + +// 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. + +// Thanks to Martin C. Mueller for assistance with the +// international keyboard mapping stuff. + +// KeyMap.cpp + +#ifdef WIN_2_X +#include +#include +#define XK_MISCELLANY +#define XK_LATIN1 +#define XK_XKB_KEYS +#include "keymap.h" + +// Define the keymap structure + typedef struct vncKeymapping_struct +{ + unsigned int wincode; + KeySym Xcode; + } vncKeymapping; + static const vncKeymapping keymap[] = { + {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_L}, /* XXX mdh - never gen SHIFT_R */ +{VK_SHIFT, XK_Shift_L}, {VK_LCONTROL, XK_Control_L}, {VK_RCONTROL, XK_Control_R}, {VK_CONTROL, XK_Control_L}, {VK_LMENU, XK_Alt_L}, {VK_RMENU, XK_Alt_R}, {VK_MENU, XK_Alt_L}, {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_MULTIPLY, XK_KP_Multiply}, {VK_ADD, XK_KP_Add}, {VK_SEPARATOR, XK_KP_Separator}, // often comma +{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} +}; + + static unsigned char buf[4]; + static unsigned char keystate[256]; + KeyActionSpec PCtoX (UINT virtkey, DWORD keyData) +{ + int numkeys = 0; + int mapsize, i; + int extended; + int ret; + KeyActionSpec kas; + kas.releaseModifiers = 0; + extended = ((keyData & 0x1000000) != 0); + +#ifdef DEBUG + printf (" keyData %04x ", (unsigned int) keyData); + +#endif /* */ + if (extended) + { + +#ifdef DEBUG + printf (" (extended) "); + +#endif /* */ + switch (virtkey) + { + case VK_MENU: + virtkey = VK_RMENU; + break; + case VK_CONTROL: + virtkey = VK_RCONTROL; + break; + } + } + + // We try looking it up in our table + mapsize = sizeof (keymap) / sizeof (vncKeymapping); + + // Look up the desired code in the table + for (i = 0; i < mapsize; i++) + { + if (keymap[i].wincode == virtkey) + { + kas.keycodes[numkeys++] = keymap[i].Xcode; + break; + } + } + if (numkeys != 0) + { + +#ifdef DEBUG + UINT key = kas.keycodes[numkeys - 1]; + printf ("keymap gives %u (%x) ", key, key); + +#endif /* */ + } + else + { + + // not found in table +#ifdef DEBUG + printf ("not in special keymap, "); + +#endif /* */ + // we try a simple conversion to Ascii, using the current keyboard mapping + GetKeyboardState (keystate); + ret = ToAscii (virtkey, 0, keystate, (WORD *) buf, 0); + + // If Left Ctrl & Alt both pressed and ToAscii gives a valid keysym + // This is for AltGr on international keyboards (= LCtrl-Alt). + // e.g. Ctrl-Alt-Q gives @ on German keyboards + if (((keystate[VK_MENU] & 0x80) != 0) && + ((keystate[VK_CONTROL] & 0x80) != 0)) + { + + // If the key means anything in this keyboard layout + if ((ret >= 1) && + (((*buf >= 32) && (*buf <= 126)) || + ((*buf >= 160) && (*buf <= 255))) ) + { + + // Send the modifiers up, then the keystroke, then mods down + // We don't release the right control; this allows German users + // to use it for doing Ctl-@ etc. (though not under Win95 -- + // see below) + if (GetKeyState (VK_LCONTROL) & 0x8000) + kas.releaseModifiers |= KEYMAP_LCONTROL; + if (GetKeyState (VK_LMENU) & 0x8000) + kas.releaseModifiers |= KEYMAP_LALT; + if (GetKeyState (VK_RMENU) & 0x8000) + kas.releaseModifiers |= KEYMAP_RALT; + + // This is for windows 95, and possibly other systems. + // The above GetKeyState calls don't work in 95 - they always return 0. + // But if we're here at all we know that control and alt are pressed, so let's + // raise all Control and Alt keys if we haven't registered any yet. + if (kas.releaseModifiers == 0) + kas.releaseModifiers = + KEYMAP_LCONTROL | KEYMAP_LALT | KEYMAP_RALT; + +#ifdef DEBUG + printf + ("Ctrl-Alt pressed ToAscii(without modifiers)returns %d bytes: ", + ret); + +#endif /* */ + for (i = 0; i < ret; i++) + { + kas.keycodes[numkeys++] = *(buf + i); + +#ifdef DEBUG + printf ("%02x (%c) ", *(buf + i), *(buf + i)); + +#endif /* */ + } + +#ifdef DEBUG + printf ("\n"); + +#endif /* */ + } + } + + // If not a ctrl-alt key + if (numkeys == 0) + { + + // There are no keysyms corresponding to control characters + // Eg Ctrl F. The server already knows whether the control + // key is pressed. So we are interested in the key that would be + // there if the Ctrl were not pressed. + keystate[VK_CONTROL] = keystate[VK_LCONTROL] = + keystate[VK_RCONTROL] = 0; + ret = ToAscii (virtkey, 0, keystate, (WORD *) buf, 0); + if (ret < 0) + { + switch (*buf) + { + case '`': + kas.keycodes[numkeys++] = XK_dead_grave; + break; + case '\'': + kas.keycodes[numkeys++] = XK_dead_acute; + break; + case '~': + kas.keycodes[numkeys++] = XK_dead_tilde; + break; + case '^': + kas.keycodes[numkeys++] = XK_dead_circumflex; + break; + } + } + + // if this works, and it's a regular printable character, just send that + if (ret >= 1) + { + +#ifdef DEBUG + printf ("ToAscii (without ctrl) returns %d byte(s): ", ret); + +#endif /* */ + for (i = 0; i < ret; i++) + { + kas.keycodes[numkeys++] = *(buf + i); + +#ifdef DEBUG + printf ("%02x (%c) ", *(buf + i), *(buf + i)); + +#endif /* */ + } + } + } + } + kas.keycodes[numkeys] = VoidKeyCode; + return kas; + } + + +#endif /* */ -- cgit v1.2.3