mirror of
https://github.com/sheumann/VNCviewGS.git
synced 2024-11-22 02:30:47 +00:00
359 lines
12 KiB
C++
359 lines
12 KiB
C++
#pragma noroot
|
|
|
|
#include <window.h>
|
|
#include <quickdraw.h>
|
|
#include <qdaux.h>
|
|
#include <desk.h>
|
|
#include <memory.h>
|
|
#include <resources.h>
|
|
#include <tcpip.h>
|
|
#include <menu.h>
|
|
#include <control.h>
|
|
#include <misctool.h>
|
|
#include <scrap.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <event.h>
|
|
#include <limits.h>
|
|
|
|
#include "vncsession.h"
|
|
#include "vncview.h"
|
|
#include "vncdisplay.h"
|
|
#include "colortables.h"
|
|
#include "menus.h"
|
|
#include "clipboard.h"
|
|
#include "desktopsize.h"
|
|
#include "mouse.h"
|
|
#include "keyboard.h"
|
|
#include "copyrect.h"
|
|
#include "raw.h"
|
|
#include "hextile.h"
|
|
|
|
unsigned int fbHeight;
|
|
unsigned int fbWidth;
|
|
|
|
BOOLEAN displayInProgress;
|
|
|
|
unsigned int numRects;
|
|
unsigned int rectX;
|
|
unsigned int rectY;
|
|
unsigned int rectWidth;
|
|
unsigned int rectHeight;
|
|
unsigned long rectEncoding;
|
|
|
|
GrafPortPtr vncWindow;
|
|
|
|
/* VNC session window dimensions */
|
|
unsigned int winHeight;
|
|
unsigned int winWidth;
|
|
|
|
/* On the next 2 structs, only certain values are permanently zero.
|
|
* Others are changed later.
|
|
*/
|
|
struct LocInfo srcLocInfo = {0, 0, 0, {0, 0, 0, 0} };
|
|
|
|
/* Used by multiple encodings */
|
|
Rect srcRect = {0, 0, 0, 0};
|
|
unsigned char *pixTransTbl;
|
|
|
|
BOOLEAN checkBounds = FALSE; /* Adjust drawing to stay in bounds */
|
|
|
|
#define txtColor 10
|
|
#define txtGray 11
|
|
#define txtTransfers 23
|
|
|
|
/* Send a request to be sent the data to redraw the window when part of it has
|
|
* been erased. It will be a while before the data is fully redrawn, but this
|
|
* is an unavoidable penalty of opening other windows over the main VNC window.
|
|
*/
|
|
#pragma databank 1
|
|
void VNCRedraw (void) {
|
|
RegionHndl updateRgnHndl;
|
|
|
|
updateRgnHndl = vncWindow->visRgn;
|
|
|
|
SendFBUpdateRequest(FALSE,
|
|
(**updateRgnHndl).rgnBBox.h1,
|
|
(**updateRgnHndl).rgnBBox.v1,
|
|
(**updateRgnHndl).rgnBBox.h2 - (**updateRgnHndl).rgnBBox.h1,
|
|
(**updateRgnHndl).rgnBBox.v2 - (**updateRgnHndl).rgnBBox.v1);
|
|
|
|
checkBounds = TRUE;
|
|
}
|
|
#pragma databank 0
|
|
|
|
/* Change Super Hi-Res display to the specified resolution (640 or 320).
|
|
* Uses the procedure described in IIgs Tech Note #4.
|
|
*/
|
|
void ChangeResolution(int rez) {
|
|
static Handle dpSpace;
|
|
unsigned int masterSCB;
|
|
|
|
hRez = rez;
|
|
|
|
winHeight = 174;
|
|
winWidth = (rez == 640) ? 613 : 302;
|
|
|
|
/* Set up pixel translation table for correct graphics mode */
|
|
if (rez == 320)
|
|
pixTransTbl = coltab320;
|
|
else /* 640 mode */
|
|
pixTransTbl = coltab640;
|
|
|
|
srcLocInfo.portSCB = (rez == 640) ? 0x87 : 0x00;
|
|
|
|
/* Check if we need to change modes */
|
|
masterSCB = GetMasterSCB();
|
|
if ( ( (masterSCB & 0x80) && (rez == 640)) ||
|
|
(!(masterSCB & 0x80) && (rez == 320)) ) {
|
|
return; /* Already in right mode, so don't change things */
|
|
}
|
|
|
|
/* Perform the basic procedure described in IIgs TN #4 */
|
|
CloseAllNDAs();
|
|
QDAuxShutDown();
|
|
QDShutDown();
|
|
if (dpSpace == NULL)
|
|
dpSpace = NewHandle(0x0300, userid(),
|
|
attrLocked|attrFixed|attrNoCross|attrBank, 0x00000000);
|
|
QDStartUp((Word) *dpSpace, (rez == 640) ? 0x87 : 0x00, 0, userid());
|
|
/* SCB 0x87 gives 640 mode with our custom gray palette */
|
|
GrafOff();
|
|
QDAuxStartUp();
|
|
ClampMouse(0, (rez == 640) ? 639 : 319, 0, 199);
|
|
HomeMouse();
|
|
ShowCursor();
|
|
WindNewRes();
|
|
InitPalette(); /* Set up Apple menu colors before it is redrawn */
|
|
MenuNewRes();
|
|
CtlNewRes();
|
|
RefreshDesktop(NULL);
|
|
GrafOn();
|
|
|
|
/* Position new connection window at default location for new mode */
|
|
if (rez == 320) {
|
|
MoveControl(25, 64, GetCtlHandleFromID(newConnWindow, txtColor));
|
|
MoveControl(25, 87, GetCtlHandleFromID(newConnWindow, txtGray));
|
|
MoveControl(134, 91, GetCtlHandleFromID(newConnWindow, txtTransfers));
|
|
MoveWindow(2, 42, newConnWindow);
|
|
}
|
|
else {
|
|
MoveControl(35, 64, GetCtlHandleFromID(newConnWindow, txtColor));
|
|
MoveControl(35, 87, GetCtlHandleFromID(newConnWindow, txtGray));
|
|
MoveControl(144, 91, GetCtlHandleFromID(newConnWindow, txtTransfers));
|
|
MoveWindow(162, 42, newConnWindow);
|
|
}
|
|
}
|
|
|
|
/* Display the VNC session window, first changing to the appropriate
|
|
* resolution (as specified by the user) if necessary.
|
|
*/
|
|
void InitVNCWindow(void) {
|
|
#define wrNum640 1003
|
|
#define wrNum320 1004
|
|
BOOLEAN resize = FALSE;
|
|
|
|
ChangeResolution(hRez);
|
|
|
|
vncWindow = NewWindow2(NULL, 0, NULL, NULL, 0x02,
|
|
(hRez == 640) ? wrNum640 : wrNum320,
|
|
rWindParam1);
|
|
|
|
if (fbWidth < winWidth) {
|
|
winWidth = fbWidth;
|
|
resize = TRUE;
|
|
}
|
|
if (fbHeight < winHeight) {
|
|
winHeight = fbHeight;
|
|
resize = TRUE;
|
|
}
|
|
if (resize)
|
|
SizeWindow(winWidth, winHeight, vncWindow);
|
|
|
|
SetContentDraw(VNCRedraw, vncWindow);
|
|
|
|
SetDataSize(fbWidth, fbHeight, vncWindow);
|
|
|
|
DrawControls(vncWindow);
|
|
|
|
/* We also take the opportunity here to initialize the rectangle info. */
|
|
numRects = 0;
|
|
displayInProgress = FALSE;
|
|
|
|
#undef wrNum320
|
|
#undef wrNum640
|
|
}
|
|
|
|
/* Send a request to the VNC server to update the information for a portion of
|
|
* the frame buffer.
|
|
*/
|
|
void SendFBUpdateRequest (BOOLEAN incremental, unsigned int x, unsigned int y,
|
|
unsigned int width, unsigned int height) {
|
|
|
|
struct FBUpdateRequest {
|
|
unsigned char messageType;
|
|
unsigned char incremental;
|
|
unsigned int x;
|
|
unsigned int y;
|
|
unsigned int width;
|
|
unsigned int height;
|
|
} fbUpdateRequest = {3 /* Message type 3 */};
|
|
|
|
fbUpdateRequest.incremental = !!incremental;
|
|
fbUpdateRequest.x = SwapBytes2(x);
|
|
fbUpdateRequest.y = SwapBytes2(y);
|
|
fbUpdateRequest.width = SwapBytes2(width);
|
|
fbUpdateRequest.height = SwapBytes2(height);
|
|
|
|
TCPIPWriteTCP(hostIpid, &fbUpdateRequest.messageType,
|
|
sizeof(fbUpdateRequest), TRUE, FALSE);
|
|
/* No error checking here -- Can't respond to one usefully. */
|
|
}
|
|
|
|
|
|
/* Start responding to a FramebufferUpdate from the server
|
|
*/
|
|
void DoFBUpdate (void) {
|
|
unsigned int *dataPtr; /* Pointer to header data */
|
|
|
|
if (!DoWaitingReadTCP(15)) {
|
|
DoClose(vncWindow);
|
|
//printf("Closing in DoFBUpdate\n");
|
|
return;
|
|
}
|
|
HLock(readBufferHndl);
|
|
dataPtr = (unsigned int *) (((char *) (*readBufferHndl)) + 1);
|
|
numRects = SwapBytes2(dataPtr[0]); /* Get data */
|
|
rectX = SwapBytes2(dataPtr[1]);
|
|
rectY = SwapBytes2(dataPtr[2]);
|
|
rectWidth = SwapBytes2(dataPtr[3]);
|
|
rectHeight = SwapBytes2(dataPtr[4]);
|
|
rectEncoding = SwapBytes4(*(unsigned long *)(dataPtr + 5));
|
|
HUnlock(readBufferHndl);
|
|
}
|
|
|
|
/* The server should never send a color map, since we don't use a mapped
|
|
* representation for pixel values. If a malfunctioning server tries to
|
|
* send us one, though, we read and ignore it. This procedure could lock
|
|
* up the system for several seconds or longer while reading data, which
|
|
* would be bad but for the fact that it will never be called if the server
|
|
* is actually working correctly.
|
|
*/
|
|
void DoSetColourMapEntries (void) {
|
|
unsigned int numColors;
|
|
|
|
DoWaitingReadTCP(3);
|
|
DoWaitingReadTCP(2);
|
|
HLock(readBufferHndl);
|
|
numColors = SwapBytes2((unsigned int) **readBufferHndl);
|
|
HUnlock(readBufferHndl);
|
|
for (; numColors > 0; numColors--) {
|
|
DoWaitingReadTCP(6);
|
|
}
|
|
}
|
|
|
|
|
|
/* Here when we're done processing one rectangle and ready to start the next.
|
|
* If last FramebufferUpdate had multiple rectangles, we set up for next one.
|
|
* If no more rectangles are available, we send a FramebufferUpdateRequest.
|
|
*/
|
|
void NextRect (void) {
|
|
unsigned int *dataPtr;
|
|
|
|
numRects--;
|
|
if (numRects) { /* Process next rectangle */
|
|
if (!DoWaitingReadTCP(12)) {
|
|
//printf("Closing in NextRect\n");
|
|
DoClose(vncWindow);
|
|
return;
|
|
}
|
|
HLock(readBufferHndl);
|
|
dataPtr = (unsigned int *) ((char *) (*readBufferHndl));
|
|
rectX = SwapBytes2(dataPtr[0]);
|
|
rectY = SwapBytes2(dataPtr[1]);
|
|
rectWidth = SwapBytes2(dataPtr[2]);
|
|
rectHeight = SwapBytes2(dataPtr[3]);
|
|
rectEncoding = SwapBytes4(*(unsigned long *)(dataPtr + 4));
|
|
HUnlock(readBufferHndl);
|
|
//printf("New Rect: X = %u, Y = %u, Width = %u, Height = %u\n", rectX, rectY, rectWidth, rectHeight);
|
|
}
|
|
else { /* No more rectangles from last update */
|
|
unsigned long contentOrigin;
|
|
Point * contentOriginPtr = (void *) &contentOrigin;
|
|
|
|
contentOrigin = GetContentOrigin(vncWindow);
|
|
SendFBUpdateRequest(TRUE, contentOriginPtr->h, contentOriginPtr->v,
|
|
winWidth, winHeight);
|
|
}
|
|
}
|
|
|
|
void ConnectedEventLoop (void) {
|
|
unsigned char messageType;
|
|
#define FBUpdate 0
|
|
#define SetColourMapEntries 1
|
|
#define Bell 2
|
|
#define ServerCutText 3
|
|
|
|
if (FrontWindow() != vncWindow && menuOffset == noKB)
|
|
InitMenus(0);
|
|
else if (FrontWindow() == vncWindow && menuOffset != noKB)
|
|
InitMenus(noKB);
|
|
|
|
if (displayInProgress) {
|
|
switch (rectEncoding) {
|
|
case encodingRaw: RawDraw();
|
|
return;
|
|
case encodingHextile: HexDispatch();
|
|
return;
|
|
default: DoClose(vncWindow);
|
|
return;
|
|
}
|
|
}
|
|
else if (numRects) {
|
|
switch (rectEncoding) {
|
|
case encodingHextile:
|
|
DoHextileRect();
|
|
return;
|
|
case encodingRaw: DoRawRect();
|
|
return;
|
|
case encodingCopyRect:
|
|
DoCopyRect();
|
|
return;
|
|
case encodingDesktopSize:
|
|
DoDesktopSize();
|
|
return;
|
|
case encodingCursor:
|
|
DoCursor();
|
|
return;
|
|
default: DisplayConnectStatus (
|
|
"\pInvalid rectangle from server.", FALSE);
|
|
DoClose(vncWindow);
|
|
//printf("Closing due to bad rectangle encoding %lu\n", rectEncoding);
|
|
//printf("rectX = %u, rectY = %u, rectWidth = %u, rectHeight = %u\n", rectX, rectY, rectWidth, rectHeight);
|
|
return;
|
|
}
|
|
}
|
|
else if (DoReadTCP(1)) { /* Read message type byte */
|
|
HLock(readBufferHndl);
|
|
messageType = ((unsigned char) **readBufferHndl);
|
|
HUnlock(readBufferHndl);
|
|
switch (messageType) {
|
|
case FBUpdate: DoFBUpdate();
|
|
break;
|
|
case SetColourMapEntries: DoSetColourMapEntries();
|
|
break;
|
|
case Bell: SysBeep();
|
|
break;
|
|
case ServerCutText: DoServerCutText();
|
|
break;
|
|
default: DisplayConnectStatus (
|
|
"\pInvalid message from server.",
|
|
FALSE);
|
|
DoClose(vncWindow);
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
|