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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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>How to write your own keymap table</TITLE
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><H1
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><A
NAME="KEYMAP"
>4.4. How to write your own keymap table</A
></H1
><P
>Christophe Bothamy wrote the keymapping code for Bochs, and provided this
documentation for how to create new keymaps. Keymapping was first
implemented for X windows only, so there are many references to X-specific
values in this section. In Bochs 2.0 keymapping is also available for SDL
(Linux port) and wxWidgets (wxGTK port).</P
><TABLE
BORDER="0"
BGCOLOR="#E0E0E0"
WIDTH="100%"
><TR
><TD
><PRE
CLASS="SCREEN"
> The standard US Keyboard looks like this:
-------------------------------------------
Top row Esc F1 F2 F3 F4 F5 F6 F7 F8 F9 F10 F11 F12
-------------------------------------------
2nd row ` 1 2 3 4 5 6 7 8 9 0 - = \ Back
-------------------------------------------
3rd row Tab Q W E R T Y U I O P [ ] Enter
-------------------------------------------
4rd row Caps A S D F G H J K L ; '
-------------------------------------------
5rd row lShift l\ Z X C V B N M , . / rShift
-------------------------------------------
6rd row lCtrl lAlt Space rAlt rCtrl
-------------------------------------------</PRE
></TD
></TR
></TABLE
><P
>Each key of the US keyboard maps to a Bochs constant named
BX_KEY_<TT
CLASS="REPLACEABLE"
><I
>symbol</I
></TT
>. You can find the current list of
BX_KEY_<TT
CLASS="REPLACEABLE"
><I
>symbol</I
></TT
> in
<A
HREF="keymap.html#BX-KEY-TABLE"
>the BX_KEY table</A
>, below. Please note that
there is only one BX_KEY_<TT
CLASS="REPLACEABLE"
><I
>symbol</I
></TT
> for each physical
key.</P
><P
>Now, for each key of the US keyboard, look at which symbols you can type on your
real keyboard. Each symbol maps to a X-windows
XK_<TT
CLASS="REPLACEABLE"
><I
>symbol</I
></TT
> constant. In
<TT
CLASS="FILENAME"
>X11/keysymdef.h</TT
>, you will find the list of all possible
XK_<TT
CLASS="REPLACEABLE"
><I
>symbol</I
></TT
> on your system. Alternatively, you can
use a small utility called "xev" that prints out the symbol names of a pressed
key. Note that the symbol name given by xev does not contain the XK_ prefix.
Don't forget to add a line for every symbol you can type on each key. For the
key BX_KEY_A, you can type both lowercase 'a' and uppercase 'A', so you would
need two different entries. </P
><P
>You can then create your own map file. Keymap files are found in the
"gui/keymaps" directory in the source code, or in the "keymaps" directory in
binary releases. Look at the existing keymap file as an example, and create a
file containing one line for each symbol. The first column tells what key or
combination of keys can be used to produce a given symbol. The second column
is the ASCII equivalent for that symbol, or a special keyword (none, space,
return, tab, backslash, or apostrophe). The third column is the X windows
keysym for that symbol. </P
><P
>For example :
<TABLE
BORDER="0"
BGCOLOR="#E0E0E0"
WIDTH="100%"
><TR
><TD
><PRE
CLASS="SCREEN"
>BX_KEY_0 '0' XK_0
BX_KEY_1 '1' XK_1
BX_KEY_2 '2' XK_2
BX_KEY_0+BX_KEY_SHIFT_L ')' XK_parenright
BX_KEY_1+BX_KEY_SHIFT_L '!' XK_exclam
BX_KEY_2+BX_KEY_SHIFT_L '@' XK_at
BX_KEY_A 'a' XK_a
BX_KEY_B 'b' XK_b
BX_KEY_A+BX_KEY_SHIFT_L 'A' XK_A
BX_KEY_B+BX_KEY_SHIFT_L 'B' XK_B
BX_KEY_TAB tab XK_Tab
BX_KEY_ENTER return XK_Return
BX_KEY_F1 none XK_F1
BX_KEY_F2 none XK_F2
BX_KEY_F3 none XK_F3</PRE
></TD
></TR
></TABLE
></P
><P
>Now that there are several keymap files in the Bochs distribution, it is
easiest to copy an existing keymap and follow the examples you see. When it
works, be sure to send it to the mailing list or post it on Source Forge so
that we can include it in the next release. You may need to look up some of
your country specific X11 symbols in <TT
CLASS="FILENAME"
>X11/keysymdef.h</TT
>.</P
><DIV
CLASS="TABLE"
><A
NAME="BX-KEY-TABLE"
></A
><P
><B
>Table 4-6. BX_KEY constants</B
></P
><TABLE
BORDER="1"
RULES="all"
CLASS="CALSTABLE"
><COL><COL><THEAD
><TR
><TH
> BX_KEY constant </TH
><TH
> Keyboard Symbol </TH
></TR
></THEAD
><TBODY
><TR
><TD
>BX_KEY_CTRL_L</TD
><TD
> left Ctrl </TD
></TR
><TR
><TD
>BX_KEY_SHIFT_L</TD
><TD
> left Shift </TD
></TR
><TR
><TD
>BX_KEY_F1</TD
><TD
> F1 </TD
></TR
><TR
><TD
>BX_KEY_F2</TD
><TD
> F2 </TD
></TR
><TR
><TD
>BX_KEY_F3</TD
><TD
> F3 </TD
></TR
><TR
><TD
>BX_KEY_F4</TD
><TD
> F4 </TD
></TR
><TR
><TD
>BX_KEY_F5</TD
><TD
> F5 </TD
></TR
><TR
><TD
>BX_KEY_F6</TD
><TD
> F6 </TD
></TR
><TR
><TD
>BX_KEY_F7</TD
><TD
> F7 </TD
></TR
><TR
><TD
>BX_KEY_F8</TD
><TD
> F8 </TD
></TR
><TR
><TD
>BX_KEY_F9</TD
><TD
> F9 </TD
></TR
><TR
><TD
>BX_KEY_F10</TD
><TD
> F10 </TD
></TR
><TR
><TD
>BX_KEY_F11</TD
><TD
> F11 </TD
></TR
><TR
><TD
>BX_KEY_F12</TD
><TD
> F12 </TD
></TR
><TR
><TD
>BX_KEY_CTRL_R</TD
><TD
> right Ctrl </TD
></TR
><TR
><TD
>BX_KEY_SHIFT_R</TD
><TD
> right Shift </TD
></TR
><TR
><TD
>BX_KEY_CAPS_LOCK</TD
><TD
> CapsLock </TD
></TR
><TR
><TD
>BX_KEY_NUM_LOCK</TD
><TD
> NumLock </TD
></TR
><TR
><TD
>BX_KEY_ALT_L</TD
><TD
> left Alt </TD
></TR
><TR
><TD
>BX_KEY_ALT_R</TD
><TD
> right Alt </TD
></TR
><TR
><TD
>BX_KEY_A</TD
><TD
> A </TD
></TR
><TR
><TD
>BX_KEY_B</TD
><TD
> B </TD
></TR
><TR
><TD
>BX_KEY_C</TD
><TD
> C </TD
></TR
><TR
><TD
>BX_KEY_D</TD
><TD
> D </TD
></TR
><TR
><TD
>BX_KEY_E</TD
><TD
> E </TD
></TR
><TR
><TD
>BX_KEY_F</TD
><TD
> F </TD
></TR
><TR
><TD
>BX_KEY_G</TD
><TD
> G </TD
></TR
><TR
><TD
>BX_KEY_H</TD
><TD
> H </TD
></TR
><TR
><TD
>BX_KEY_I</TD
><TD
> I </TD
></TR
><TR
><TD
>BX_KEY_J</TD
><TD
> J </TD
></TR
><TR
><TD
>BX_KEY_K</TD
><TD
> K </TD
></TR
><TR
><TD
>BX_KEY_L</TD
><TD
> L </TD
></TR
><TR
><TD
>BX_KEY_M</TD
><TD
> M </TD
></TR
><TR
><TD
>BX_KEY_N</TD
><TD
> N </TD
></TR
><TR
><TD
>BX_KEY_O</TD
><TD
> O </TD
></TR
><TR
><TD
>BX_KEY_P</TD
><TD
> P </TD
></TR
><TR
><TD
>BX_KEY_Q</TD
><TD
> Q </TD
></TR
><TR
><TD
>BX_KEY_R</TD
><TD
> R </TD
></TR
><TR
><TD
>BX_KEY_S</TD
><TD
> S </TD
></TR
><TR
><TD
>BX_KEY_T</TD
><TD
> T </TD
></TR
><TR
><TD
>BX_KEY_U</TD
><TD
> U </TD
></TR
><TR
><TD
>BX_KEY_V</TD
><TD
> V </TD
></TR
><TR
><TD
>BX_KEY_W</TD
><TD
> W </TD
></TR
><TR
><TD
>BX_KEY_X</TD
><TD
> X </TD
></TR
><TR
><TD
>BX_KEY_Y</TD
><TD
> Y </TD
></TR
><TR
><TD
>BX_KEY_Z</TD
><TD
> Z </TD
></TR
><TR
><TD
>BX_KEY_0</TD
><TD
> 0 </TD
></TR
><TR
><TD
>BX_KEY_1</TD
><TD
> 1 </TD
></TR
><TR
><TD
>BX_KEY_2</TD
><TD
> 2 </TD
></TR
><TR
><TD
>BX_KEY_3</TD
><TD
> 3 </TD
></TR
><TR
><TD
>BX_KEY_4</TD
><TD
> 4 </TD
></TR
><TR
><TD
>BX_KEY_5</TD
><TD
> 5 </TD
></TR
><TR
><TD
>BX_KEY_6</TD
><TD
> 6 </TD
></TR
><TR
><TD
>BX_KEY_7</TD
><TD
> 7 </TD
></TR
><TR
><TD
>BX_KEY_8</TD
><TD
> 8 </TD
></TR
><TR
><TD
>BX_KEY_9</TD
><TD
> 9 </TD
></TR
><TR
><TD
>BX_KEY_ESC</TD
><TD
> Esc </TD
></TR
><TR
><TD
>BX_KEY_SPACE</TD
><TD
> SpaceBar </TD
></TR
><TR
><TD
>BX_KEY_SINGLE_QUOTE</TD
><TD
> ' </TD
></TR
><TR
><TD
>BX_KEY_COMMA</TD
><TD
> , </TD
></TR
><TR
><TD
>BX_KEY_PERIOD</TD
><TD
> . </TD
></TR
><TR
><TD
>BX_KEY_SLASH</TD
><TD
> / </TD
></TR
><TR
><TD
>BX_KEY_SEMICOLON</TD
><TD
> ; </TD
></TR
><TR
><TD
>BX_KEY_EQUALS</TD
><TD
> = </TD
></TR
><TR
><TD
>BX_KEY_LEFT_BRACKET</TD
><TD
> [ </TD
></TR
><TR
><TD
>BX_KEY_BACKSLASH</TD
><TD
> \ </TD
></TR
><TR
><TD
>BX_KEY_RIGHT_BRACKET</TD
><TD
> ] </TD
></TR
><TR
><TD
>BX_KEY_MINUS</TD
><TD
> - </TD
></TR
><TR
><TD
>BX_KEY_GRAVE</TD
><TD
> ` </TD
></TR
><TR
><TD
>BX_KEY_BACKSPACE</TD
><TD
> BackSpace </TD
></TR
><TR
><TD
>BX_KEY_ENTER</TD
><TD
> Enter </TD
></TR
><TR
><TD
>BX_KEY_TAB</TD
><TD
> Tab </TD
></TR
><TR
><TD
>BX_KEY_LEFT_BACKSLASH</TD
><TD
> left \ </TD
></TR
><TR
><TD
>BX_KEY_PRINT</TD
><TD
> PrintScreen </TD
></TR
><TR
><TD
>BX_KEY_SCRL_LOCK</TD
><TD
> ScrollLock </TD
></TR
><TR
><TD
>BX_KEY_PAUSE</TD
><TD
> Pause </TD
></TR
><TR
><TD
>BX_KEY_INSERT</TD
><TD
> Ins </TD
></TR
><TR
><TD
>BX_KEY_DELETE</TD
><TD
> Del </TD
></TR
><TR
><TD
>BX_KEY_HOME</TD
><TD
> Home </TD
></TR
><TR
><TD
>BX_KEY_END</TD
><TD
> End </TD
></TR
><TR
><TD
>BX_KEY_PAGE_UP</TD
><TD
> PageUo </TD
></TR
><TR
><TD
>BX_KEY_PAGE_DOWN</TD
><TD
> PageDown </TD
></TR
><TR
><TD
>BX_KEY_KP_ADD</TD
><TD
> Numeric Keypad + </TD
></TR
><TR
><TD
>BX_KEY_KP_SUBTRACT</TD
><TD
> Numeric Keypad - </TD
></TR
><TR
><TD
>BX_KEY_KP_END</TD
><TD
> Numeric Keypad 1 </TD
></TR
><TR
><TD
>BX_KEY_KP_DOWN</TD
><TD
> Numeric Keypad 2 </TD
></TR
><TR
><TD
>BX_KEY_KP_PAGE_DOWN</TD
><TD
> Numeric Keypad 3 </TD
></TR
><TR
><TD
>BX_KEY_KP_LEFT</TD
><TD
> Numeric Keypad 4 </TD
></TR
><TR
><TD
>BX_KEY_KP_5</TD
><TD
> Numeric Keypad 5 </TD
></TR
><TR
><TD
>BX_KEY_KP_RIGHT</TD
><TD
> Numeric Keypad 6 </TD
></TR
><TR
><TD
>BX_KEY_KP_HOME</TD
><TD
> Numeric Keypad 7 </TD
></TR
><TR
><TD
>BX_KEY_KP_UP</TD
><TD
> Numeric Keypad 8 </TD
></TR
><TR
><TD
>BX_KEY_KP_PAGE_UP</TD
><TD
> Numeric Keypad 9 </TD
></TR
><TR
><TD
>BX_KEY_KP_INSERT</TD
><TD
> Numeric Keypad 0 </TD
></TR
><TR
><TD
>BX_KEY_KP_DELETE</TD
><TD
> Numeric Keypad . </TD
></TR
><TR
><TD
>BX_KEY_KP_ENTER</TD
><TD
> Numeric Keypad Enter </TD
></TR
><TR
><TD
>BX_KEY_KP_MULTIPLY</TD
><TD
> Numeric Keypad * </TD
></TR
><TR
><TD
>BX_KEY_KP_DIVIDE</TD
><TD
> Numeric Keypad / </TD
></TR
><TR
><TD
>BX_KEY_UP</TD
><TD
> UpArrow </TD
></TR
><TR
><TD
>BX_KEY_DOWN</TD
><TD
> DownArrow </TD
></TR
><TR
><TD
>BX_KEY_LEFT</TD
><TD
> LeftArrow </TD
></TR
><TR
><TD
>BX_KEY_RIGHT</TD
><TD
> RightArrow </TD
></TR
><TR
><TD
>BX_KEY_WIN_L</TD
><TD
> Left Windows </TD
></TR
><TR
><TD
>BX_KEY_WIN_R</TD
><TD
> Right Windows </TD
></TR
><TR
><TD
>BX_KEY_MENU</TD
><TD
> Menu </TD
></TR
><TR
><TD
>BX_KEY_ALT_SYSREQ</TD
><TD
> Alt-Sysreq </TD
></TR
><TR
><TD
>BX_KEY_CTRL_BREAK</TD
><TD
> Ctrl-Break </TD
></TR
><TR
><TD
>BX_KEY_INT_BACK</TD
><TD
> Internet - back </TD
></TR
><TR
><TD
>BX_KEY_INT_FORWARD</TD
><TD
> Internet - forward </TD
></TR
><TR
><TD
>BX_KEY_INT_STOP</TD
><TD
> Internet - stop </TD
></TR
><TR
><TD
>BX_KEY_INT_MAIL</TD
><TD
> Internet - mail </TD
></TR
><TR
><TD
>BX_KEY_INT_SEARCH</TD
><TD
> Internet - search </TD
></TR
><TR
><TD
>BX_KEY_INT_FAV</TD
><TD
>Internet - favorites</TD
></TR
><TR
><TD
>BX_KEY_INT_HOME</TD
><TD
> Internet - home </TD
></TR
><TR
><TD
>BX_KEY_POWER_MYCOMP</TD
><TD
> Powerkeys - my computer </TD
></TR
><TR
><TD
>BX_KEY_POWER_CALC</TD
><TD
> Powerkeys - calculator </TD
></TR
><TR
><TD
>BX_KEY_POWER_SLEEP</TD
><TD
> Powerkeys - sleep </TD
></TR
><TR
><TD
>BX_KEY_POWER_POWER</TD
><TD
> Powerkeys - power </TD
></TR
><TR
><TD
>BX_KEY_POWER_WAKE</TD
><TD
> Powerkeys - wake </TD
></TR
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