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Bochs/bochs/gui/rfb.cc
Todd T.Fries 2bbb1ef8eb strip '\n' from BX_{INFO,DEBUG,ERROR,PANIC} 
don't need it, moved the output of it into the general io functions.
saves space, as well as removes the confusing output if a '\n' is left off
2001-05-30 18:56:02 +00:00

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// Copyright (C) 2000 Psyon.Org!
//
// Donald Becker
// http://www.psyon.org
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2 of the License, or (at your option) any later version.
//
// This library 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
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#include "bochs.h"
#include "icon_bochs.h"
#include "font/vga.bitmap.h"
#ifdef WIN32
#include <winsock.h>
#include <process.h>
#include "rfb.h"
#else
#include <sys/socket.h>
#include <netinet/tcp.h>
#include <netinet/in.h>
#include <unistd.h>
#include <sys/errno.h>
#include <pthread.h>
typedef unsigned long CARD32;
typedef unsigned short CARD16;
typedef short INT16;
typedef unsigned char CARD8;
typedef int SOCKET;
#endif
#include "rfbproto.h"
static bool keep_alive;
static unsigned short rfbPort = 5900;
// Headerbar stuff
unsigned rfbBitmapCount = 0;
struct {
char *bmap;
unsigned xdim;
unsigned ydim;
} rfbBitmaps[BX_MAX_PIXMAPS];
unsigned rfbHeaderbarBitmapCount = 0;
struct {
unsigned int index;
unsigned int xorigin;
unsigned int yorigin;
unsigned int alignment;
void (*f)(void);
} rfbHeaderbarBitmaps[BX_MAX_HEADERBAR_ENTRIES];
//Keyboard stuff
#define KEYBOARD true
#define MOUSE false
#define MAX_KEY_EVENTS 512
struct {
bool type;
int key;
int down;
int x;
int y;
} rfbKeyboardEvent[MAX_KEY_EVENTS];
static unsigned long rfbKeyboardEvents = 0;
static bool bKeyboardInUse = false;
// Misc Stuff
struct {
unsigned int x;
unsigned int y;
unsigned int width;
unsigned int height;
bool updated;
} rfbUpdateRegion;
static char *rfbScreen;
static char rfbPallet[256];
static long rfbDimensionX, rfbDimensionY;
static long rfbStretchedX, rfbStretchedY;
static long rfbHeaderbarY;
static long rfbTileX = 0;
static long rfbTileY = 0;
static unsigned long rfbCursorX = 0;
static unsigned long rfbCursorY = 0;
static unsigned long rfbOriginLeft = 0;
static unsigned long rfbOriginRight = 0;
static unsigned long ServerThread = 0;
static unsigned long ServerThreadID = 0;
static SOCKET sGlobal;
void ServerThreadInit(void *indata);
void HandleRfbClient(SOCKET sClient);
int ReadExact(int sock, char *buf, int len);
int WriteExact(int sock, char *buf, int len);
void DrawBitmap(int x, int y, int width, int height, char *bmap, char color, bool update_client);
void UpdateScreen(char *newBits, int x, int y, int width, int height, bool update_client);
void SendUpdate(int x, int y, int width, int height);
void StartThread();
void rfbKeyPressed(Bit32u key, int press_release);
void rfbMouseMove(int x, int y, int bmask);
void DrawColorPallet();
static const rfbPixelFormat BGR233Format = {
8, 8, 1, 1, 7, 7, 3, 0, 3, 6
};
// Set this for the endian of your machine. 0 = big, 1 = little
static const int rfbEndianTest = 1;
#define Swap16(s) ((((s) & 0xff) << 8) | (((s) >> 8) & 0xff))
#define Swap32(l) (((l) >> 24) | (((l) & 0x00ff0000) >> 8) | (((l) & 0x0000ff00) << 8) | ((l) << 24))
#define Swap16IfLE(s) (*(const char *)&rfbEndianTest ? Swap16(s) : (s))
#define Swap32IfLE(l) (*(const char *)&rfbEndianTest ? Swap32(l) : (l))
#define PF_EQ(x,y) ((x.bitsPerPixel == y.bitsPerPixel) && (x.depth == y.depth) && (x.trueColour == y.trueColour) && ((x.bigEndian == y.bigEndian) || (x.bitsPerPixel == 8)) && (!x.trueColour || ((x.redMax == y.redMax) && (x.greenMax == y.greenMax) && (x.blueMax == y.blueMax) && (x.redShift == y.redShift) && (x.greenShift == y.greenShift) && (x.blueShift == y.blueShift))))
// This file defines stubs for the GUI interface, which is a
// place to start if you want to port bochs to a platform, for
// which there is no support for your native GUI, or if you want to compile
// bochs without any native GUI support (no output window or
// keyboard input will be possible).
// Look in 'x.cc', 'beos.cc', and 'win32.cc' for specific
// implementations of this interface. -Kevin
// ::SPECIFIC_INIT()
//
// Called from gui.cc, once upon program startup, to allow for the
// specific GUI code (X11, BeOS, ...) to be initialized.
//
// th: a 'this' pointer to the gui class. If a function external to the
// class needs access, store this pointer and use later.
// argc, argv: not used right now, but the intention is to pass native GUI
// specific options from the command line. (X11 options, BeOS options,...)
//
// tilewidth, tileheight: for optimization, graphics_tile_update() passes
// only updated regions of the screen to the gui code to be redrawn.
// These define the dimensions of a region (tile).
// headerbar_y: A headerbar (toolbar) is display on the top of the
// VGA window, showing floppy status, and other information. It
// always assumes the width of the current VGA mode width, but
// it's height is defined by this parameter.
void bx_gui_c::specific_init(bx_gui_c *th, int argc, char **argv, unsigned tilewidth, unsigned tileheight, unsigned headerbar_y)
{
rfbHeaderbarY = headerbar_y;
rfbDimensionX = 640;
rfbDimensionY = 480 + rfbHeaderbarY;
rfbStretchedX = rfbDimensionX;
rfbStretchedY = rfbDimensionY;
rfbTileX = tilewidth;
rfbTileY = tileheight;
rfbScreen = (char *)malloc(rfbDimensionX * rfbDimensionY);
memset(&rfbPallet, 0, sizeof(rfbPallet));
rfbPallet[63] = (char)0xFF;
rfbUpdateRegion.x = rfbDimensionX;
rfbUpdateRegion.y = rfbDimensionY;
rfbUpdateRegion.width = 0;
rfbUpdateRegion.height = 0;
rfbUpdateRegion.updated = false;
keep_alive = true;
StartThread();
#ifdef WIN32
Sleep(1000);
SetThreadPriority(GetCurrentThread(), THREAD_PRIORITY_BELOW_NORMAL);
#endif
if (bx_options.private_colormap) {
BX_ERROR(( "private_colormap option ignored." ));
}
}
bool InitWinsock()
{
#ifdef WIN32
WSADATA wsaData;
if(WSAStartup(MAKEWORD(1,1), &wsaData) != 0) return false;
#endif
return true;
}
bool StopWinsock()
{
#ifdef WIN32
WSACleanup();
#endif
return true;
}
void ServerThreadInit(void *indata)
{
SOCKET sServer;
SOCKET sClient;
struct sockaddr_in sai;
int sai_size;
#ifdef WIN32
SetThreadPriority(GetCurrentThread(), THREAD_PRIORITY_IDLE);
#endif
if(!InitWinsock()) {
BX_ERROR(( "could not initialize winsock."));
goto end_of_thread;
}
sServer = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
if(sServer == -1) {
BX_ERROR(( "could not create socket." ));
goto end_of_thread;
}
sai.sin_addr.s_addr = INADDR_ANY;
sai.sin_family = AF_INET;
sai.sin_port = htons(rfbPort);
if(bind(sServer, (struct sockaddr *)&sai, sizeof(sai)) == -1) {
BX_EROR(( "could not bind socket."));
goto end_of_thread;
}
if(listen(sServer, SOMAXCONN) == -1) {
BX_ERROR(( "could not listen on socket."));
goto end_of_thread;
}
fprintf(stderr, "# RFB: listening for connections on port %i.\n", rfbPort);
sai_size = sizeof(sai);
while(keep_alive) {
sClient = accept(sServer, (struct sockaddr *)&sai, &sai_size);
if(sClient != -1) {
HandleRfbClient(sClient);
sGlobal = -1;
close(sClient);
} else {
close(sClient);
}
}
end_of_thread:
StopWinsock();
}
void HandleRfbClient(SOCKET sClient)
{
char rfbName[] = "Bochs-RFB";
rfbProtocolVersionMsg pv;
int one = 1;
CARD32 auth;
rfbClientInitMsg cim;
rfbServerInitMsg sim;
setsockopt(sClient, IPPROTO_TCP, TCP_NODELAY, (const char *)&one, sizeof(one));
fprintf(stderr, "# RFB: accepted client connection.\n");
sprintf(pv, rfbProtocolVersionFormat, rfbProtocolMajorVersion, rfbProtocolMinorVersion);
if(WriteExact(sClient, pv, sz_rfbProtocolVersionMsg) < 0) {
fprintf(stderr, "# ERROR: RFB: could not send protocol version.\n");
return;
}
if(ReadExact(sClient, pv, sz_rfbProtocolVersionMsg) < 0) {
fprintf(stderr, "# ERROR: RFB: could not recieve client protocol version.\n");
return;
}
auth = Swap32IfLE(rfbNoAuth);
if(WriteExact(sClient, (char *)&auth, sizeof(auth)) < 0) {
fprintf(stderr, "# ERROR: RFB: could not send authorization method.\n");
return;
}
if(ReadExact(sClient, (char *)&cim, sz_rfbClientInitMsg) < 0) {
fprintf(stderr, "# ERROR: RFB: could not recieve client initialization message.\n");
return;
}
sim.framebufferWidth = Swap16IfLE((short)rfbDimensionX);
sim.framebufferHeight = Swap16IfLE((short)rfbDimensionY);
sim.format = BGR233Format;
sim.format.redMax = Swap16IfLE(sim.format.redMax);
sim.format.greenMax = Swap16IfLE(sim.format.greenMax);
sim.format.blueMax = Swap16IfLE(sim.format.blueMax);
sim.nameLength = strlen(rfbName);
sim.nameLength = Swap32IfLE(sim.nameLength);
if(WriteExact(sClient, (char *)&sim, sz_rfbServerInitMsg) < 0) {
fprintf(stderr, "# ERROR: RFB: could send server initialization message.\n");
return;
}
if(WriteExact(sClient, rfbName, strlen(rfbName)) < 0) {
fprintf(stderr, "# ERROR: RFB: could not send server name.\n");
return;
}
sGlobal = sClient;
while(keep_alive) {
CARD8 msgType;
int n;
if((n = recv(sClient, (char *)&msgType, 1, MSG_PEEK)) <= 0) {
if(n == 0) {
fprintf(stderr, "# RFB: client closed connection.\n");
} else {
fprintf(stderr, "# RFB: error recieving data.\n");
}
return;
}
switch(msgType) {
case rfbSetPixelFormat:
{
rfbSetPixelFormatMsg spf;
ReadExact(sClient, (char *)&spf, sizeof(rfbSetPixelFormatMsg));
spf.format.bitsPerPixel = spf.format.bitsPerPixel;
spf.format.depth = spf.format.depth;
spf.format.trueColour = (spf.format.trueColour ? 1 : 0);
spf.format.bigEndian = (spf.format.bigEndian ? 1 : 0);
spf.format.redMax = Swap16IfLE(spf.format.redMax);
spf.format.greenMax = Swap16IfLE(spf.format.greenMax);
spf.format.blueMax = Swap16IfLE(spf.format.blueMax);
spf.format.redShift = spf.format.redShift;
spf.format.greenShift = spf.format.greenShift;
spf.format.blueShift = spf.format.blueShift;
if (!PF_EQ(spf.format, BGR233Format)) {
fprintf(stderr,"# ERROR: RFB: client has wrong pixel format\n");
//return;
}
break;
}
case rfbFixColourMapEntries:
{
rfbFixColourMapEntriesMsg fcme;
ReadExact(sClient, (char *)&fcme, sizeof(rfbFixColourMapEntriesMsg));
break;
}
case rfbSetEncodings:
{
rfbSetEncodingsMsg se;
int i;
CARD32 enc;
ReadExact(sClient, (char *)&se, sizeof(rfbSetEncodingsMsg));
se.nEncodings = Swap16IfLE(se.nEncodings);
for(i = 0; i < se.nEncodings; i++) {
if((n = ReadExact(sClient, (char *)&enc, sizeof(CARD32))) <= 0) {
if(n == 0) {
fprintf(stderr, "# RFB: client closed connection.\n");
} else {
fprintf(stderr, "# RFB: error recieving data.\n");
}
return;
}
}
break;
}
case rfbFramebufferUpdateRequest:
{
rfbFramebufferUpdateRequestMsg fur;
ReadExact(sClient, (char *)&fur, sizeof(rfbFramebufferUpdateRequestMsg));
if(!fur.incremental) {
rfbUpdateRegion.x = 0;
rfbUpdateRegion.y = 0;
rfbUpdateRegion.width = rfbDimensionX;
rfbUpdateRegion.height = rfbDimensionY;
rfbUpdateRegion.updated = true;
} //else {
// if(fur.x < rfbUpdateRegion.x) rfbUpdateRegion.x = fur.x;
// if(fur.y < rfbUpdateRegion.x) rfbUpdateRegion.y = fur.y;
// if(((fur.x + fur.w) - rfbUpdateRegion.x) > rfbUpdateRegion.width) rfbUpdateRegion.width = ((fur.x + fur.w) - rfbUpdateRegion.x);
// if(((fur.y + fur.h) - rfbUpdateRegion.y) > rfbUpdateRegion.height) rfbUpdateRegion.height = ((fur.y + fur.h) - rfbUpdateRegion.y);
//}
//rfbUpdateRegion.updated = true;
break;
}
case rfbKeyEvent:
{
rfbKeyEventMsg ke;
ReadExact(sClient, (char *)&ke, sizeof(rfbKeyEventMsg));
ke.key = Swap32IfLE(ke.key);
while(bKeyboardInUse);
bKeyboardInUse = true;
if (rfbKeyboardEvents >= MAX_KEY_EVENTS) break;
rfbKeyboardEvent[rfbKeyboardEvents].type = KEYBOARD;
rfbKeyboardEvent[rfbKeyboardEvents].key = ke.key;
rfbKeyboardEvent[rfbKeyboardEvents].down = ke.down;
rfbKeyboardEvents++;
bKeyboardInUse = false;
break;
}
case rfbPointerEvent:
{
rfbPointerEventMsg pe;
ReadExact(sClient, (char *)&pe, sizeof(rfbPointerEventMsg));
while(bKeyboardInUse);
bKeyboardInUse = true;
if (rfbKeyboardEvents >= MAX_KEY_EVENTS) break;
rfbKeyboardEvent[rfbKeyboardEvents].type = MOUSE;
rfbKeyboardEvent[rfbKeyboardEvents].x = Swap16IfLE(pe.x);
rfbKeyboardEvent[rfbKeyboardEvents].y = Swap16IfLE(pe.y);
rfbKeyboardEvent[rfbKeyboardEvents].down = pe.buttonMask;
rfbKeyboardEvents++;
bKeyboardInUse = false;
break;
}
case rfbClientCutText:
{
rfbClientCutTextMsg cct;
ReadExact(sClient, (char *)&cct, sizeof(rfbClientCutTextMsg));
break;
}
}
}
}
// ::HANDLE_EVENTS()
//
// Called periodically (vga_update_interval in .bochsrc) so the
// the gui code can poll for keyboard, mouse, and other
// relevant events.
void bx_gui_c::handle_events(void)
{
unsigned int i = 0;
while(bKeyboardInUse);
bKeyboardInUse = true;
if(rfbKeyboardEvents > 0) {
for(i = 0; i < rfbKeyboardEvents; i++) {
if(rfbKeyboardEvent[i].type == KEYBOARD) {
rfbKeyPressed(rfbKeyboardEvent[i].key, rfbKeyboardEvent[i].down);
} else { //type == MOUSE;
rfbMouseMove(rfbKeyboardEvent[i].x, rfbKeyboardEvent[i].y, rfbKeyboardEvent[i].down);
}
}
rfbKeyboardEvents = 0;
}
bKeyboardInUse = false;
if(rfbUpdateRegion.updated) {
SendUpdate(rfbUpdateRegion.x, rfbUpdateRegion.y, rfbUpdateRegion.width, rfbUpdateRegion.height);
rfbUpdateRegion.x = rfbDimensionX;
rfbUpdateRegion.y = rfbDimensionY;
rfbUpdateRegion.width = 0;
rfbUpdateRegion.height = 0;
}
rfbUpdateRegion.updated = false;
}
// ::FLUSH()
//
// Called periodically, requesting that the gui code flush all pending
// screen update requests.
void bx_gui_c::flush(void)
{
}
// ::CLEAR_SCREEN()
//
// Called to request that the VGA region is cleared. Don't
// clear the area that defines the headerbar.
void bx_gui_c::clear_screen(void)
{
memset(&rfbScreen[rfbDimensionX * rfbHeaderbarY], 0, rfbDimensionX * (rfbDimensionY - rfbHeaderbarY));
}
// ::TEXT_UPDATE()
//
// Called in a VGA text mode, to update the screen with
// new content.
//
// old_text: array of character/attributes making up the contents
// of the screen from the last call. See below
// new_text: array of character/attributes making up the current
// contents, which should now be displayed. See below
//
// format of old_text & new_text: each is 4000 bytes long.
// This represents 80 characters wide by 25 high, with
// each character being 2 bytes. The first by is the
// character value, the second is the attribute byte.
// I currently don't handle the attribute byte.
//
// cursor_x: new x location of cursor
// cursor_y: new y location of cursor
void bx_gui_c::text_update(Bit8u *old_text, Bit8u *new_text, unsigned long cursor_x, unsigned long cursor_y, unsigned nrows)
{
unsigned char cChar;
unsigned int nchars;
unsigned int i, x, y;
bool updated = false;
nchars = 80 * nrows;
if((rfbCursorY * 80 + rfbCursorX) < nchars) {
cChar = new_text[(rfbCursorY * 80 + rfbCursorX) * 2];
DrawBitmap(rfbCursorX * 8, rfbCursorY * 16 + rfbHeaderbarY, 8, 16, (char *)&bx_vgafont[cChar].data, new_text[((rfbCursorY * 80 + rfbCursorX) * 2) + 1], false);
}
for(i = 0; i < nchars * 2; i += 2) {
if((old_text[i] != new_text[i]) || (old_text[i+1] != new_text[i+1])) {
cChar = new_text[i];
x = (i / 2) % 80;
y = (i / 2) / 80;
DrawBitmap(x * 8, y * 16 + rfbHeaderbarY, 8, 16, (char *)&bx_vgafont[cChar].data, new_text[i + 1], false);
if((y * 16 + rfbHeaderbarY) < rfbUpdateRegion.y) rfbUpdateRegion.y = y * 16 + rfbHeaderbarY;
if(((y * 16 + rfbHeaderbarY + 16) - rfbUpdateRegion.y) > rfbUpdateRegion.height) rfbUpdateRegion.height = ((y * 16 + rfbHeaderbarY + 16) - rfbUpdateRegion.y);
if((x * 8) < rfbUpdateRegion.x) rfbUpdateRegion.x = x * 8;
if(((x * 8 + 8) - rfbUpdateRegion.x) > rfbUpdateRegion.width) rfbUpdateRegion.width = ((x * 8 + 8) - rfbUpdateRegion.x);
rfbUpdateRegion.updated = true;
}
}
rfbCursorX = cursor_x;
rfbCursorY = cursor_y;
if((cursor_y * 80 + cursor_x) < nchars) {
char cAttr = new_text[((cursor_y * 80 + cursor_x) * 2) + 1];
cChar = new_text[(cursor_y * 80 + cursor_x) * 2];
//cAttr = ((cAttr >> 4) & 0xF) + ((cAttr & 0xF) << 4);
DrawBitmap(rfbCursorX * 8, rfbCursorY * 16 + rfbHeaderbarY, 8, 16, (char *)&bx_vgafont[cChar].data, cAttr, false);
}
}
// ::PALETTE_CHANGE()
//
// Allocate a color in the native GUI, for this color, and put
// it in the colormap location 'index'.
// returns: 0=no screen update needed (color map change has direct effect)
// 1=screen updated needed (redraw using current colormap)
Boolean bx_gui_c::palette_change(unsigned index, unsigned red, unsigned green, unsigned blue)
{
rfbPallet[index] = (((red * 7 + 127) / 255) << 0) | (((green * 7 + 127) / 255) << 3) | (((blue * 3 + 127) / 255) << 6);
return(1);
}
// ::GRAPHICS_TILE_UPDATE()
//
// Called to request that a tile of graphics be drawn to the
// screen, since info in this region has changed.
//
// tile: array of 8bit values representing a block of pixels with
// dimension equal to the 'tilewidth' & 'tileheight' parameters to
// ::specific_init(). Each value specifies an index into the
// array of colors you allocated for ::palette_change()
// x0: x origin of tile
// y0: y origin of tile
//
// note: origin of tile and of window based on (0,0) being in the upper
// left of the window.
void bx_gui_c::graphics_tile_update(Bit8u *tile, unsigned x0, unsigned y0)
{
UpdateScreen((char *)tile, x0, y0 + rfbHeaderbarY, rfbTileX, rfbTileY, false);
if(x0 < rfbUpdateRegion.x) rfbUpdateRegion.x = x0;
if((y0 + rfbHeaderbarY) < rfbUpdateRegion.y) rfbUpdateRegion.y = y0 + rfbHeaderbarY;
if(((y0 + rfbHeaderbarY + rfbTileY) - rfbUpdateRegion.y) > rfbUpdateRegion.height) rfbUpdateRegion.height = ((y0 + rfbHeaderbarY + rfbTileY) - rfbUpdateRegion.y);
if(((x0 + rfbTileX) - rfbUpdateRegion.x) > rfbUpdateRegion.width) rfbUpdateRegion.width = ((x0 + rfbTileX) - rfbUpdateRegion.x);
rfbUpdateRegion.updated = true;
}
// ::DIMENSION_UPDATE()
//
// Called when the VGA mode changes it's X,Y dimensions.
// Resize the window to this size, but you need to add on
// the height of the headerbar to the Y value.
//
// x: new VGA x size
// y: new VGA y size (add headerbar_y parameter from ::specific_init().
void
bx_gui_c::dimension_update(unsigned x, unsigned y)
{
UNUSED(x);
UNUSED(y);
}
// ::CREATE_BITMAP()
//
// Create a monochrome bitmap of size 'xdim' by 'ydim', which will
// be drawn in the headerbar. Return an integer ID to the bitmap,
// with which the bitmap can be referenced later.
//
// bmap: packed 8 pixels-per-byte bitmap. The pixel order is:
// bit0 is the left most pixel, bit7 is the right most pixel.
// xdim: x dimension of bitmap
// ydim: y dimension of bitmap
unsigned bx_gui_c::create_bitmap(const unsigned char *bmap, unsigned xdim, unsigned ydim)
{
if(rfbBitmapCount >= BX_MAX_PIXMAPS) {
fprintf(stderr, "# RFB: too many pixmaps.\n");
return 0;
}
rfbBitmaps[rfbBitmapCount].bmap = (char *)malloc((xdim * ydim) / 8);
rfbBitmaps[rfbBitmapCount].xdim = xdim;
rfbBitmaps[rfbBitmapCount].ydim = ydim;
memcpy(rfbBitmaps[rfbBitmapCount].bmap, bmap, (xdim * ydim) / 8);
rfbBitmapCount++;
return(rfbBitmapCount - 1);
}
// ::HEADERBAR_BITMAP()
//
// Called to install a bitmap in the bochs headerbar (toolbar).
//
// bmap_id: will correspond to an ID returned from
// ::create_bitmap(). 'alignment' is either BX_GRAVITY_LEFT
// or BX_GRAVITY_RIGHT, meaning install the bitmap in the next
// available leftmost or rightmost space.
// alignment: is either BX_GRAVITY_LEFT or BX_GRAVITY_RIGHT,
// meaning install the bitmap in the next
// available leftmost or rightmost space.
// f: a 'C' function pointer to callback when the mouse is clicked in
// the boundaries of this bitmap.
unsigned bx_gui_c::headerbar_bitmap(unsigned bmap_id, unsigned alignment, void (*f)(void))
{
int hb_index;
if((rfbHeaderbarBitmapCount + 1) > BX_MAX_HEADERBAR_ENTRIES) {
return 0;
}
rfbHeaderbarBitmapCount++;
hb_index = rfbHeaderbarBitmapCount - 1;
rfbHeaderbarBitmaps[hb_index].index = bmap_id;
rfbHeaderbarBitmaps[hb_index].alignment = alignment;
rfbHeaderbarBitmaps[hb_index].f = f;
if (alignment == BX_GRAVITY_LEFT) {
rfbHeaderbarBitmaps[hb_index].xorigin = rfbOriginLeft;
rfbHeaderbarBitmaps[hb_index].yorigin = 0;
rfbOriginLeft += rfbBitmaps[bmap_id].xdim;
} else { // BX_GRAVITY_RIGHT
rfbOriginRight += rfbBitmaps[bmap_id].xdim;
rfbHeaderbarBitmaps[hb_index].xorigin = rfbOriginRight;
rfbHeaderbarBitmaps[hb_index].yorigin = 0;
}
return hb_index;
}
// ::SHOW_HEADERBAR()
//
// Show (redraw) the current headerbar, which is composed of
// currently installed bitmaps.
void bx_gui_c::show_headerbar(void)
{
unsigned int i, xorigin;
for(i = 0; i < rfbHeaderbarBitmapCount; i++) {
if(rfbHeaderbarBitmaps[i].alignment == BX_GRAVITY_LEFT) {
xorigin = rfbHeaderbarBitmaps[i].xorigin;
} else {
xorigin = rfbDimensionX - rfbHeaderbarBitmaps[i].xorigin;
}
DrawBitmap(xorigin, 0, rfbBitmaps[rfbHeaderbarBitmaps[i].index].xdim, rfbBitmaps[rfbHeaderbarBitmaps[i].index].ydim, rfbBitmaps[rfbHeaderbarBitmaps[i].index].bmap, (char)0x0F, false);
}
}
// ::REPLACE_BITMAP()
//
// Replace the bitmap installed in the headerbar ID slot 'hbar_id',
// with the one specified by 'bmap_id'. 'bmap_id' will have
// been generated by ::create_bitmap(). The old and new bitmap
// must be of the same size. This allows the bitmap the user
// sees to change, when some action occurs. For example when
// the user presses on the floppy icon, it then displays
// the ejected status.
//
// hbar_id: headerbar slot ID
// bmap_id: bitmap ID
void bx_gui_c::replace_bitmap(unsigned hbar_id, unsigned bmap_id)
{
rfbHeaderbarBitmaps[hbar_id].index = bmap_id;
}
// ::EXIT()
//
// Called before bochs terminates, to allow for a graceful
// exit from the native GUI mechanism.
void bx_gui_c::exit(void)
{
unsigned int i;
keep_alive = false;
StopWinsock();
free(rfbScreen);
for(i = 0; i < rfbBitmapCount; i++) {
free(rfbBitmaps[i].bmap);
}
fprintf(stderr, "# RFB: bx_gui_c::exit()\n");
}
/*
* ReadExact reads an exact number of bytes on a TCP socket. Returns 1 if
* those bytes have been read, 0 if the other end has closed, or -1 if an error
* occurred (errno is set to ETIMEDOUT if it timed out).
*/
int ReadExact(int sock, char *buf, int len)
{
int n;
while (len > 0) {
n = recv(sock, buf, len, 0);
if (n > 0) {
buf += n;
len -= n;
} else {
return n;
}
}
return 1;
}
/*
* WriteExact writes an exact number of bytes on a TCP socket. Returns 1 if
* those bytes have been written, or -1 if an error occurred (errno is set to
* ETIMEDOUT if it timed out).
*/
int WriteExact(int sock, char *buf, int len)
{
int n;
while (len > 0) {
n = send(sock, buf, len,0);
if (n > 0) {
buf += n;
len -= n;
} else if (n == 0) {
fprintf(stderr,"WriteExact: write returned 0?\n");
return n;
} else {
return n;
}
}
return 1;
}
void DrawBitmap(int x, int y, int width, int height, char *bmap, char color, bool update_client)
{
int i;
char *newBits;
char fgcolor, bgcolor;
char vgaPallet[] = { (char)0x00, //Black
(char)0x01, //Dark Blue
(char)0x02, //Dark Green
(char)0x03, //Dark Cyan
(char)0x04, //Dark Red
(char)0x05, //Dark Magenta
(char)0x06, //Brown
(char)0x07, //Light Gray
(char)0x38, //Dark Gray
(char)0x09, //Light Blue
(char)0x12, //Green
(char)0x1B, //Cyan
(char)0x24, //Light Red
(char)0x2D, //Magenta
(char)0x36, //Yellow
(char)0x3F //White
};
bgcolor = vgaPallet[(color >> 4) & 0xF];
fgcolor = vgaPallet[color & 0xF];
newBits = (char *)malloc(width * height);
memset(newBits, 0, (width * height));
for(i = 0; i < (width * height) / 8; i++) {
newBits[i * 8 + 0] = (bmap[i] & 0x01) ? fgcolor : bgcolor;
newBits[i * 8 + 1] = (bmap[i] & 0x02) ? fgcolor : bgcolor;
newBits[i * 8 + 2] = (bmap[i] & 0x04) ? fgcolor : bgcolor;
newBits[i * 8 + 3] = (bmap[i] & 0x08) ? fgcolor : bgcolor;
newBits[i * 8 + 4] = (bmap[i] & 0x10) ? fgcolor : bgcolor;
newBits[i * 8 + 5] = (bmap[i] & 0x20) ? fgcolor : bgcolor;
newBits[i * 8 + 6] = (bmap[i] & 0x40) ? fgcolor : bgcolor;
newBits[i * 8 + 7] = (bmap[i] & 0x80) ? fgcolor : bgcolor;
}
UpdateScreen(newBits, x, y, width, height, update_client);
//DrawColorPallet();
free(newBits);
}
void DrawColorPallet()
{
char bits[100];
int x = 0, y = 0, c;
for(c = 0; c < 256; c++) {
memset(&bits, rfbPallet[c], 100);
UpdateScreen(bits, x, y, 10, 10, false);
x += 10;
if(x > 70) {
y += 10;
x = 0;
}
}
}
void UpdateScreen(char *newBits, int x, int y, int width, int height, bool update_client)
{
int i, c;
for(i = 0; i < height; i++) {
for(c = 0; c < width; c++) {
newBits[(i * width) + c] = rfbPallet[newBits[(i * width) + c]];
}
memcpy(&rfbScreen[y * rfbDimensionX + x], &newBits[i * width], width);
y++;
}
if(update_client) {
if(sGlobal == -1) return;
rfbFramebufferUpdateMsg fum;
rfbFramebufferUpdateRectHeader furh;
fum.type = rfbFramebufferUpdate;
fum.nRects = Swap16IfLE(1);
WriteExact(sGlobal, (char *)&fum, sz_rfbFramebufferUpdateMsg);
furh.r.x = Swap16IfLE(x);
furh.r.y = Swap16IfLE((y - i));
furh.r.w = Swap16IfLE((short)width);
furh.r.h = Swap16IfLE((short)height);
furh.encoding = Swap32IfLE(rfbEncodingRaw);
WriteExact(sGlobal, (char *)&furh, sz_rfbFramebufferUpdateRectHeader);
WriteExact(sGlobal, (char *)newBits, width * height);
}
}
void SendUpdate(int x, int y, int width, int height)
{
char *newBits;
int i;
if(x < 0 || y < 0 || (x + width) > rfbDimensionX || (y + height) > rfbDimensionY) {
fprintf(stderr, "# RFB: Dimensions out of bounds. x=%i y=%i w=%i h=%i\n", x, y, width, height);
}
if(sGlobal != -1) {
rfbFramebufferUpdateMsg fum;
rfbFramebufferUpdateRectHeader furh;
fum.type = rfbFramebufferUpdate;
fum.nRects = Swap16IfLE(1);
furh.r.x = Swap16IfLE(x);
furh.r.y = Swap16IfLE(y);
furh.r.w = Swap16IfLE((short)width);
furh.r.h = Swap16IfLE((short)height);
furh.encoding = Swap32IfLE(rfbEncodingRaw);
newBits = (char *)malloc(width * height);
for(i = 0; i < height; i++) {
memcpy(&newBits[i * width], &rfbScreen[y * rfbDimensionX + x], width);
y++;
}
WriteExact(sGlobal, (char *)&fum, sz_rfbFramebufferUpdateMsg);
WriteExact(sGlobal, (char *)&furh, sz_rfbFramebufferUpdateRectHeader);
WriteExact(sGlobal, (char *)newBits, width * height);
free(newBits);
}
}
void StartThread()
{
#ifdef WIN32
_beginthread(ServerThreadInit, 0, NULL);
#else
pthread_t thread;
pthread_create(&thread, NULL, (void *)&ServerThreadInit, NULL);
#endif
}
/***********************/
/* Keyboard Definitons */
/* And */
/* Functions */
/***********************/
#define XK_space 0x020
#define XK_asciitilde 0x07e
#define XK_dead_grave 0xFE50
#define XK_dead_acute 0xFE51
#define XK_dead_circumflex 0xFE52
#define XK_dead_tilde 0xFE53
#define XK_BackSpace 0xFF08
#define XK_Tab 0xFF09
#define XK_Linefeed 0xFF0A
#define XK_Clear 0xFF0B
#define XK_Return 0xFF0D
#define XK_Pause 0xFF13
#define XK_Scroll_Lock 0xFF14
#define XK_Sys_Req 0xFF15
#define XK_Escape 0xFF1B
#define XK_Delete 0xFFFF
#define XK_Home 0xFF50
#define XK_Left 0xFF51
#define XK_Up 0xFF52
#define XK_Right 0xFF53
#define XK_Down 0xFF54
#define XK_Page_Up 0xFF55
#define XK_Page_Down 0xFF56
#define XK_End 0xFF57
#define XK_Begin 0xFF58
#define XK_Select 0xFF60
#define XK_Print 0xFF61
#define XK_Execute 0xFF62
#define XK_Insert 0xFF63
#define XK_Cancel 0xFF69
#define XK_Help 0xFF6A
#define XK_Break 0xFF6B
#define XK_Num_Lock 0xFF7F
#define XK_KP_Space 0xFF80
#define XK_KP_Tab 0xFF89
#define XK_KP_Enter 0xFF8D
#define XK_KP_Home 0xFF95
#define XK_KP_Left 0xFF96
#define XK_KP_Up 0xFF97
#define XK_KP_Right 0xFF98
#define XK_KP_Down 0xFF99
#define XK_KP_Prior 0xFF9A
#define XK_KP_Page_Up 0xFF9A
#define XK_KP_Next 0xFF9B
#define XK_KP_Page_Down 0xFF9B
#define XK_KP_End 0xFF9C
#define XK_KP_Begin 0xFF9D
#define XK_KP_Insert 0xFF9E
#define XK_KP_Delete 0xFF9F
#define XK_KP_Equal 0xFFBD
#define XK_KP_Multiply 0xFFAA
#define XK_KP_Add 0xFFAB
#define XK_KP_Separator 0xFFAC
#define XK_KP_Subtract 0xFFAD
#define XK_KP_Decimal 0xFFAE
#define XK_KP_Divide 0xFFAF
#define XK_KP_F1 0xFF91
#define XK_KP_F2 0xFF92
#define XK_KP_F3 0xFF93
#define XK_KP_F4 0xFF94
#define XK_KP_0 0xFFB0
#define XK_KP_1 0xFFB1
#define XK_KP_2 0xFFB2
#define XK_KP_3 0xFFB3
#define XK_KP_4 0xFFB4
#define XK_KP_5 0xFFB5
#define XK_KP_6 0xFFB6
#define XK_KP_7 0xFFB7
#define XK_KP_8 0xFFB8
#define XK_KP_9 0xFFB9
#define XK_F1 0xFFBE
#define XK_F2 0xFFBF
#define XK_F3 0xFFC0
#define XK_F4 0xFFC1
#define XK_F5 0xFFC2
#define XK_F6 0xFFC3
#define XK_F7 0xFFC4
#define XK_F8 0xFFC5
#define XK_F9 0xFFC6
#define XK_F10 0xFFC7
#define XK_F11 0xFFC8
#define XK_F12 0xFFC9
#define XK_F13 0xFFCA
#define XK_F14 0xFFCB
#define XK_F15 0xFFCC
#define XK_F16 0xFFCD
#define XK_F17 0xFFCE
#define XK_F18 0xFFCF
#define XK_F19 0xFFD0
#define XK_F20 0xFFD1
#define XK_F21 0xFFD2
#define XK_F22 0xFFD3
#define XK_F23 0xFFD4
#define XK_F24 0xFFD5
#define XK_Shift_L 0xFFE1
#define XK_Shift_R 0xFFE2
#define XK_Control_L 0xFFE3
#define XK_Control_R 0xFFE4
#define XK_Caps_Lock 0xFFE5
#define XK_Shift_Lock 0xFFE6
#define XK_Meta_L 0xFFE7
#define XK_Meta_R 0xFFE8
#define XK_Alt_L 0xFFE9
#define XK_Alt_R 0xFFEA
char rfbAsciiKey[0x5f] = {
// !"#$%&'
0x39,
0x02,
BX_KEY_SINGLE_QUOTE,
0x04,
0x05,
0x06,
0x07,
0x08,
// ()*+,-./
0x0A,
0x0B,
0x09,
0x0D,
0x33,
0x0C,
0x34,
0x35,
// 01234567
0x0B,
0x02,
0x03,
0x04,
0x05,
0x06,
0x07,
0x08,
// 89:;<=>?
0x09,
0x0A,
0x27,
0x27,
0x33,
0x0D,
0x34,
0x35,
// @ABCDEFG
0x03,
0x1E,
0x30,
0x2E,
0x20,
0x12,
0x21,
0x22,
// HIJKLMNO
0x23,
0x17,
0x24,
0x25,
0x26,
0x32,
0x31,
0x18,
// PQRSTUVW
0x19,
0x10,
0x13,
0x1F,
0x14,
0x16,
0x2F,
0x11,
// XYZ[\]^_
0x2D,
0x15,
0x2C,
0x1A,
0x2B,
0x1B,
0x07,
0x29,
// `abcdefg
0x29,
0x1E,
0x30,
0x2E,
0x20,
0x12,
0x21,
0x22,
// hijklmno
0x23,
0x17,
0x24,
0x25,
0x26,
0x32,
0x31,
0x18,
// pqrstuvw
0x19,
0x10,
0x13,
0x1F,
0x14,
0x16,
0x2F,
0x11,
// xyz{|}~
0x2D,
0x15,
0x2C,
0x1A,
0x2B,
0x1B,
0x29
};
void rfbKeyPressed(Bit32u key, int press_release)
{
unsigned char key_event;
if((key >= XK_space) && (key <= XK_asciitilde)) {
key_event = rfbAsciiKey[key - XK_space];
} else switch (key) {
case XK_KP_1:
#ifdef XK_KP_End
case XK_KP_End:
#endif
key_event = 0x4F; break;
case XK_KP_2:
#ifdef XK_KP_Down
case XK_KP_Down:
#endif
key_event = 0x50; break;
case XK_KP_3:
#ifdef XK_KP_Page_Down
case XK_KP_Page_Down:
#endif
key_event = 0x51; break;
case XK_KP_4:
#ifdef XK_KP_Left
case XK_KP_Left:
#endif
key_event = 0x4B; break;
case XK_KP_5:
key_event = 0x4C; break;
case XK_KP_6:
#ifdef XK_KP_Right
case XK_KP_Right:
#endif
key_event = 0x4D; break;
case XK_KP_7:
#ifdef XK_KP_Home
case XK_KP_Home:
#endif
key_event = 0x47; break;
case XK_KP_8:
#ifdef XK_KP_Up
case XK_KP_Up:
#endif
key_event = 0x48; break;
case XK_KP_9:
#ifdef XK_KP_Page_Up
case XK_KP_Page_Up:
#endif
key_event = 0x49; break;
case XK_KP_0:
#ifdef XK_KP_Insert
case XK_KP_Insert:
key_event = 0x52; break;
#endif
case XK_KP_Decimal:
#ifdef XK_KP_Delete
case XK_KP_Delete:
key_event = 0x53; break;
#endif
case XK_KP_Subtract: key_event = 0x4A; break;
case XK_KP_Add: key_event = 0x4E; break;
case XK_Up: key_event = 0x48; break;
case XK_Down: key_event = 0x50; break;
case XK_Left: key_event = 0x4B; break;
case XK_Right: key_event = 0x4D; break;
case XK_BackSpace: key_event = 0x0E; break;
case XK_Tab: key_event = 0x0F; break;
case XK_Return: key_event = 0x1C; break;
case XK_Escape: key_event = 0x01; break;
case XK_F1: key_event = 0x3B; break;
case XK_F2: key_event = 0x3C; break;
case XK_F3: key_event = 0x3D; break;
case XK_F4: key_event = 0x3E; break;
case XK_F5: key_event = 0x3F; break;
case XK_F6: key_event = 0x40; break;
case XK_F7: key_event = 0x41; break;
case XK_F8: key_event = 0x42; break;
case XK_F9: key_event = 0x43; break;
case XK_F10: key_event = 0x44; break;
case XK_Control_L: key_event = 0x1D; break;
case XK_Control_R: key_event = 0x1D; break;
case XK_Shift_L: key_event = 0x2A; break;
case XK_Shift_R: key_event = 0x36; break;
case XK_Num_Lock: key_event = 0x45; break;
case XK_Alt_L: key_event = 0x38; break;
case XK_Alt_R: key_event = 0x38; break;
default:
fprintf(stderr, "# RFB: rfbKeyPress(): key %x unhandled!\n", (unsigned) key);
return;
break;
}
if (press_release) key_event |= 0x80;
bx_devices.keyboard->put_scancode((unsigned char *)&key_event, 1);
}
void rfbMouseMove(int x, int y, int bmask)
{
int buttons = 0;
if(y > rfbHeaderbarY) {
bx_devices.keyboard->mouse_motion(x, y - rfbHeaderbarY, buttons);
}
}
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