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Bochs/bochs/patches/patch.kbd-dieter-2
Bryce Denney 5820c9de92 - this patch is from Dieter Mittelmaier <dieter.mittelmaier@freenet.de> 
He sent it to me on July 4, and I've been far too slow getting it
  checked in.
2001-11-19 18:36:35 +00:00

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----------------------------------------------------------------------
Patch name: patch.kbd-dieter-2
Author: Dieter Mittelmaier <dieter.mittelmaier@freenet.de>
Date: Wed, 4 Jul 2001 22:12:28 +0200
RCS Id: $Id: patch.kbd-dieter-2,v 1.1 2001-11-19 18:36:35 bdenney Exp $
Detailed description:
New keyboard patch
Short description:
We now use a virtual keyboard with US-layout. X translate keycodes to
keysyms using this virtual keyboard. So we must not think about keycodes.
Read also comments in gui/x.cc.
This should work with all keyboards and languages X supports.
Hope this works on all X-servers.
Cause your current keyboard implementation is a US-keyboard to BIOS-scancodes
I must not change BX_KEY-defines.
Changes in iodev/keyboard.cc and gui/gui.h are additional and don't hurt your
current implementation.
Main changes in gui/x.cc I have included in #ifdef NEW_KEYBOARD which is
defined at top of x.cc. So you can use your current keyboard implementation
too. Or make a configure-option.
Patch was created with:
diff -u
Apply patch to what version:
current cvs
Instructions:
To patch, go to main bochs directory.
Type "patch -p1 < THIS_PATCH_FILE".
----------------------------------------------------------------------
diff -urN bochs/gui/gui.h bochs/gui/gui.h
--- bochs/gui/gui.h Tue May 15 16:49:56 2001
+++ bochs/gui/gui.h Mon Jul 2 15:01:56 2001
@@ -175,6 +175,13 @@
#define BX_KEY_ENTER 70
#define BX_KEY_TAB 71
+/* need this key for german keyboards "<>|" */
+#define BX_KEY_LSGT 72
+/* just for completeness */
+#define BX_KEY_PRSC 73
+#define BX_KEY_SCLK 74
+#define BX_KEY_PAUS 75
+
#define BX_KEY_INSERT 76
#define BX_KEY_DELETE 77
#define BX_KEY_HOME 78
diff -urN bochs/gui/x.cc bochs/gui/x.cc
--- bochs/gui/x.cc Thu May 24 16:08:54 2001
+++ bochs/gui/x.cc Wed Jul 4 21:24:17 2001
@@ -20,6 +20,8 @@
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+/* Change this to 0 if it does't work */
+#define NEW_KEYBOARD 1
extern "C" {
#include <X11/Xlib.h>
@@ -27,6 +29,10 @@
#include <X11/Xos.h>
#include <X11/Xatom.h>
#include <X11/keysym.h>
+#ifdef NEW_KEYBOARD
+#include <X11/XKBlib.h>
+#endif
+
}
#include "bochs.h"
@@ -37,6 +43,12 @@
#define MAX_MAPPED_STRING_LENGTH 10
+#ifdef NEW_KEYBOARD
+XkbDescPtr bx_xkb; /* Our virtual keyboard with US-layout */
+XkbDescPtr bx_xkb_orig;
+static void init_keyboard(void);
+#endif
+
/* These are used as arguments to nearly every Xlib routine, so it saves
* routine arguments to declare them global. If there were
* additional source files, they would be declared extern there. */
@@ -303,6 +315,10 @@
progname, XDisplayName(display_name)));
}
+#ifdef NEW_KEYBOARD
+ init_keyboard();
+#endif
+
/* get screen size from display structure macro */
bx_x_screen_num = DefaultScreen(bx_x_display);
@@ -515,6 +531,125 @@
XFlush(bx_x_display);
}
+#ifdef NEW_KEYBOARD
+ void
+init_keyboard(void)
+{
+ XkbComponentNamesRec kcomp;
+ char * bx_symbols= "+us";
+ char * orig_symbols = NULL;
+ char * orig_keycodes = NULL;
+ char * orig_types = NULL;
+ char * orig_compat = NULL;
+ char *tmp = NULL;
+
+ /*
+ Using XkbGetKeyboardByName(bx_x_display,XkbUseCoreKbd,
+ &kcomp,XkbGBN_AllComponentsMask,XkbGBN_AllComponentsMask,False);
+ should give us a keyboard description without loading it into the server,
+ but it crashs. Maybe this is a bug in XFree86, I don't know.
+ So we use this workaround.
+ We must store current keyboard description. Then we change symbols to
+ US-layout. The server load this layout. At this time we have it in all
+ clients. So we must restore previous keyboard-layout.
+
+ We should free our virtual keyboard description if bochs closed.
+ Can anybody tell me where.
+ */
+
+ /* Get a full copy from current keyboard */
+ bx_xkb_orig = NULL;
+ bx_xkb_orig = XkbGetKeyboard(bx_x_display,XkbAllComponentsMask,XkbUseCoreKbd);
+ if (bx_xkb_orig) {
+ if (XkbGetNames(bx_x_display,XkbAllNamesMask,bx_xkb_orig)!=Success) {
+ BX_PANIC(("Xkeyb:Could not load names\n"));
+ } else {
+ /* store description to restore it later */
+ tmp = XGetAtomName(bx_x_display,bx_xkb_orig->names->symbols);
+ orig_symbols = (char *) malloc(strlen(tmp));
+ sprintf(orig_symbols, "%s", tmp);
+
+ tmp = XGetAtomName(bx_x_display,bx_xkb_orig->names->keycodes);
+ orig_keycodes = (char *) malloc(strlen(tmp));
+ sprintf(orig_keycodes, "%s", tmp);
+
+ tmp = XGetAtomName(bx_x_display,bx_xkb_orig->names->types);
+ orig_types = (char *) malloc(strlen(tmp));
+ sprintf(orig_types, "%s", tmp);
+
+ tmp = XGetAtomName(bx_x_display,bx_xkb_orig->names->compat);
+ orig_compat = (char *) malloc(strlen(tmp));
+ sprintf(orig_compat, "%s", tmp);
+
+ BX_DEBUG(("Xkeyb:orig_symbols %s\n",orig_symbols));
+ BX_DEBUG(("Xkeyb:orig_keycodes %s\n",orig_keycodes));
+ BX_DEBUG(("Xkeyb:orig_types %s\n",orig_types));
+ BX_DEBUG(("Xkeyb:orig_compat %s\n",orig_compat));
+ }
+ XkbFreeKeyboard(bx_xkb_orig,XkbAllComponentsMask,True);
+ } else {
+ BX_PANIC(("Xkeyb:Could not load keyboard description\n"));
+ }
+
+ /* Now change symbols to US-layout */
+ kcomp.keymap = NULL;
+ kcomp.keycodes = NULL;
+ kcomp.types = NULL;
+ kcomp.compat = NULL;
+ kcomp.symbols = bx_symbols;
+ kcomp.geometry = NULL;
+ bx_xkb = NULL;
+ bx_xkb = XkbGetKeyboardByName(bx_x_display,XkbUseCoreKbd, &kcomp,XkbGBN_AllComponentsMask,XkbGBN_AllComponentsMask,True);
+ if (!bx_xkb)
+ BX_ERROR(("Xkeyb:Could not load us-symbols\n"));
+
+ /* Finally restore original keyboard layout */
+ kcomp.keymap = NULL;
+ kcomp.keycodes = orig_keycodes;
+ kcomp.types = orig_types;
+ kcomp.compat = orig_compat;
+ kcomp.symbols = orig_symbols;
+ kcomp.geometry = NULL;
+ bx_xkb_orig = NULL;
+ bx_xkb_orig = XkbGetKeyboardByName(bx_x_display,XkbUseCoreKbd, &kcomp,XkbGBN_AllComponentsMask,XkbGBN_AllComponentsMask,True);
+
+ if (bx_xkb_orig) {
+ /* Only needed to check if original keyboard is proper restored */
+ if (XkbGetNames(bx_x_display,XkbAllNamesMask,bx_xkb_orig)!=Success) {
+ BX_PANIC(("Xkeyb:Could not load names\n"));
+ } else {
+ tmp = XGetAtomName(bx_x_display,bx_xkb_orig->names->symbols);
+ orig_symbols = (char *) malloc(strlen(tmp));
+ sprintf(orig_symbols, "%s", tmp);
+
+ tmp = XGetAtomName(bx_x_display,bx_xkb_orig->names->keycodes);
+ orig_keycodes = (char *) malloc(strlen(tmp));
+ sprintf(orig_keycodes, "%s", tmp);
+
+ tmp = XGetAtomName(bx_x_display,bx_xkb_orig->names->types);
+ orig_types = (char *) malloc(strlen(tmp));
+ sprintf(orig_types, "%s", tmp);
+
+ tmp = XGetAtomName(bx_x_display,bx_xkb_orig->names->compat);
+ orig_compat = (char *) malloc(strlen(tmp));
+ sprintf(orig_compat, "%s", tmp);
+
+ BX_DEBUG(("Xkeyb:restored_symbols %s\n",orig_symbols));
+ BX_DEBUG(("Xkeyb:restored_keycodes %s\n",orig_keycodes));
+ BX_DEBUG(("Xkeyb:restored_types %s\n",orig_types));
+ BX_DEBUG(("Xkeyb:restored_compat %s\n",orig_compat));
+ }
+ XkbFreeKeyboard(bx_xkb_orig,XkbAllComponentsMask,True);
+ } else {
+ BX_PANIC(("Xkeyb:Cannot restore previous keyboard\n"));
+ }
+
+ free(orig_symbols);
+ free(orig_keycodes);
+ free(orig_types);
+ free(orig_compat);
+}
+#endif
void
load_font(void)
@@ -533,10 +668,14 @@
XEvent report;
XKeyEvent *key_event;
KeySym keysym;
+#ifdef NEW_KEYBOARD
+ unsigned int mods_rtrn;
+#else
XComposeStatus compose;
char buffer[MAX_MAPPED_STRING_LENGTH];
int bufsize = MAX_MAPPED_STRING_LENGTH;
int charcount;
+#endif
Boolean mouse_update;
@@ -679,13 +818,23 @@
case KeyPress:
key_event = (XKeyEvent *) &report;
+#ifdef NEW_KEYBOARD
+ /* Now get keysym from virtual US-keyboard */
+ XkbTranslateKeyCode(bx_xkb, key_event->keycode, 0, &mods_rtrn, &keysym);
+#else
charcount = XLookupString(key_event, buffer, bufsize, &keysym, &compose);
+#endif
xkeypress(keysym, 0);
break;
case KeyRelease:
key_event = (XKeyEvent *) &report;
+#ifdef NEW_KEYBOARD
+ /* Now get keysym from virtual US-keyboard */
+ XkbTranslateKeyCode(bx_xkb, key_event->keycode, 0, &mods_rtrn, &keysym);
+#else
charcount = XLookupString(key_event, buffer, bufsize, &keysym, &compose);
+#endif
xkeypress(keysym, 1);
break;
@@ -792,9 +941,12 @@
// correspond to the ascii characters space .. tilde
// are in consequtive order.
if ((keysym >= XK_space) && (keysym <= XK_asciitilde)) {
- key_event = ascii_to_key_event[keysym - XK_space];
+ if ((keysym == XK_less) || (keysym == XK_greater)) {
+ key_event = BX_KEY_LSGT;
+ } else {
+ key_event = ascii_to_key_event[keysym - XK_space];
}
- else switch (keysym) {
+ } else switch (keysym) {
case XK_KP_1:
#ifdef XK_KP_End
case XK_KP_End:
@@ -899,6 +1051,7 @@
case XK_Caps_Lock: key_event = BX_KEY_CAPS_LOCK; break;
case XK_Num_Lock: key_event = BX_KEY_NUM_LOCK; break;
case XK_Alt_L: key_event = BX_KEY_ALT_L; break;
+ case XK_Mode_switch: key_event = BX_KEY_ALT_R; break;
case XK_Insert: key_event = BX_KEY_INSERT; break;
case XK_Home: key_event = BX_KEY_HOME; break;
diff -urN bochs/iodev/keyboard.cc bochs/iodev/keyboard.cc
--- bochs/iodev/keyboard.cc Tue Jun 12 19:30:11 2001
+++ bochs/iodev/keyboard.cc Mon Jul 2 14:51:44 2001
@@ -695,7 +695,8 @@
case BX_KEY_F10: scancode = 0x44; break;
case BX_KEY_F11: scancode = 0x57; break;
case BX_KEY_F12: scancode = 0x58; break;
-
+ case BX_KEY_LSGT: scancode = 0x56; break;
+
default:
BX_DEBUG(( "bx_keyb_c::gen_scancode : Unhandled %u\n",
(unsigned) key));
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