VNCviewGS/vncview.cc

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/********************************************************************
* vncview.cc - main program code for VNCview GS
*******************************************************************/
#if __ORCAC__
#pragma lint -1
segment "VNCview GS";
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#endif
#if DEBUG
/* #pragma debug 25 */
#endif
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <orca.h>
#include <Locator.h>
#include <MiscTool.h>
#include <Event.h>
#include <Menu.h>
#include <QuickDraw.h>
#include <QDAux.h>
#include <Window.h>
#include <Desk.h>
#include <Resources.h>
#include <Memory.h>
#include <Control.h>
#include <LineEdit.h>
#include <TCPIP.h>
#include <Scrap.h>
#include "vncview.h"
#include "VNCsession.h"
#include "vncdisplay.h"
#include "menus.h"
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#include "colortables.h"
#include "mouse.h"
#include "keyboard.h"
#include "clipboard.h"
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#define noMarinettiError 2001
#define outOfMemoryError 2002
#define disconnectTCPIPAlert 2003
#define NCWindow 1000 /* Offset for "New Connection" */
/* window and its controls */
#define winNewConnection 1
#define btnConnect 1
#define btnCancel 2
#define linServer 3
#define txtServer 4
#define txtServerInfo 5
#define txtPassword 6
#define linPassword 7
#define txtDisplay 8
#define rectDisplay 9
#define txtColor 10
#define txtGray 11
#define rad320 12
#define rad640 13
#define chkShared 16
#define chkClipboard 17
#define txtTransfers 23
#define chkEmul3Btn 18
#define chkViewOnly 19
#define txtPreferredEncoding 24
#define radRaw 25
#define radHextile 26
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static BOOLEAN done = FALSE; /* are we done, yet? */
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EventRecord myEvent; /* event record for menu mode */
GrafPortPtr newConnWindow; /* pointer to new connection window */
BOOLEAN vncConnected = FALSE; /* are we connected to a VNC host */
int menuOffset; /* Indicates which menu bar is active */
static Ref startStopParm; /* tool start/shutdown parameter */
BOOLEAN colorTablesComplete = FALSE; /* Are the big color tables complete */
static Handle dpHndl; /* direct page space for assembly routines */
extern void *dpPtr; /* pointer to DP for assembly routines */
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/* Connection options */
int hRez = 320;
BOOLEAN requestSharedSession = TRUE;
BOOLEAN allowClipboardTransfers = TRUE;
BOOLEAN emulate3ButtonMouse = TRUE;
BOOLEAN viewOnlyMode = FALSE;
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BOOLEAN useHextile = FALSE;
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char vncServer[257];
char vncPassword[10];
static void Quit (void);
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/***************************************************************
* DrawContents - Draw the contents of the active port
***************************************************************/
#pragma databank 1
static void DrawContents (void) {
PenNormal(); /* use a "normal" pen */
DrawControls(GetPort()); /* draw controls in window */
}
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#pragma databank 0
/***************************************************************
* DoAbout - Draw our about box
***************************************************************/
static void DoAbout (void) {
#define alertID 1 /* alert string resource ID */
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AlertWindow(awCString+awResource, NULL, alertID);
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#undef alertID
}
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/***************************************************************
* DoNewConnection - Show the New Connection window
***************************************************************/
static void DoNewConnection (void) {
MakeThisCtlTarget(GetCtlHandleFromID(newConnWindow, linServer));
ShowWindow(newConnWindow);
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SelectWindow(newConnWindow);
}
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/***************************************************************
* DoClose - Close the frontmost window/connection
* Parameters:
* wPtr - window to close
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***************************************************************/
void DoClose (GrafPortPtr wPtr) {
if (wPtr == newConnWindow) {
HideWindow(wPtr);
}
else if (wPtr && vncConnected) { /* Close VNC session window */
CloseWindow(wPtr);
CloseTCPConnection();
vncConnected = FALSE;
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EnableMItem(fileNewConnection);
InitMenus(0);
myEvent.wmTaskMask = 0x001F79FF; /* let TaskMaster handle keys again */
if (cursor) {
InitCursor();
free(cursor);
cursor = NULL;
}
};
}
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/***************************************************************
* DoLEEdit - Handle edit menu items for LineEdit controls
* Parameters:
* editAction: Action selected from edit menu
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***************************************************************/
static void DoLEEdit (int editAction) {
CtlRecHndl ctl; /* target control handle */
unsigned long id; /* control ID */
GrafPortPtr port; /* caller's GrafPort */
port = GetPort();
SetPort(newConnWindow);
ctl = FindTargetCtl();
id = GetCtlID(ctl);
if ((id == linServer) || (id == linPassword)) {
LEFromScrap();
switch (editAction) {
case editCut: if (id == linServer) {
LECut((LERecHndl) GetCtlTitle(ctl));
};
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LEToScrap();
break;
case editCopy: if (id == linServer) {
LECopy((LERecHndl) GetCtlTitle(ctl));
};
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LEToScrap();
break;
case editPaste: LEPaste((LERecHndl) GetCtlTitle(ctl));
break;
case editClear: LEDelete((LERecHndl) GetCtlTitle(ctl));
break;
};
};
SetPort(port);
}
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/***************************************************************
* HandleMenu - Initialize the menu bar.
***************************************************************/
static void HandleMenu (void) {
int menuNum, menuItemNum; /* menu number & menu item number */
menuNum = myEvent.wmTaskData >> 16;
menuItemNum = myEvent.wmTaskData;
switch (menuItemNum) { /* go handle the menu */
case appleAbout: DoAbout(); break;
case fileNewConnection: DoNewConnection(); break;
case fileClose: DoClose(FrontWindow()); break;
case fileQuit: Quit(); break;
case editCut: DoLEEdit(editCut); break;
case editCopy: DoLEEdit(editCopy); break;
case editPaste: DoLEEdit(editPaste); break;
case editClear: DoLEEdit(editClear); break;
case editShowClipboard: ShowClipboard(0x8000, 0); break;
case editSendClipboard: DoSendClipboard(); break;
}
HiliteMenu(FALSE, menuNum); /* unhighlight the menu */
}
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/***************************************************************
* HandleControl - Handle a control press in the New Conn. window
***************************************************************/
static void HandleControl (void) {
switch (myEvent.wmTaskData4) {
case btnConnect: DoConnect(); break;
case btnCancel: DoClose(newConnWindow); break;
case txtColor: SetCtlValueByID(TRUE, newConnWindow,
rad320);
/* Fall through */
case rad320: hRez = 320; /* "320x200" */ break;
case txtGray: SetCtlValueByID(TRUE, newConnWindow,
rad640);
/* Fall through */
case rad640: hRez = 640; /* "640x200" */ break;
case chkShared: requestSharedSession = !requestSharedSession;
break;
case chkClipboard: allowClipboardTransfers = !allowClipboardTransfers;
break;
case chkEmul3Btn: emulate3ButtonMouse = !emulate3ButtonMouse; break;
case chkViewOnly: viewOnlyMode = !viewOnlyMode; break;
case txtTransfers: allowClipboardTransfers = !allowClipboardTransfers;
SetCtlValueByID(allowClipboardTransfers,
newConnWindow, chkClipboard); break;
case radRaw: useHextile = FALSE; break;
case radHextile: useHextile = TRUE; break;
};
}
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/***************************************************************
* InitMenus - Initialize the menu bar.
***************************************************************/
void InitMenus (int offset) {
#define menuID 1 /* menu bar resource ID */
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int height; /* height of the largest menu */
MenuBarRecHndl menuBarHand = 0; /* for 'handling' the menu bar */
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MenuBarRecHndl oldMenuBarHand;
/* create the menu bar */
oldMenuBarHand = menuBarHand;
menuBarHand = NewMenuBar2(refIsResource, menuID+offset, NULL);
SetSysBar(menuBarHand);
SetMenuBar(NULL);
FixAppleMenu(1); /* add desk accessories */
height = FixMenuBar(); /* draw the completed menu bar */
DrawMenuBar();
if (oldMenuBarHand)
DisposeHandle((Handle) oldMenuBarHand);
menuOffset = offset; /* So we can tell which menu is active */
#undef menuID
}
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/***************************************************************
* CheckMenus - Check the menus to see if they should be dimmed
***************************************************************/
static void CheckMenus (void) {
GrafPortPtr activeWindow; /* Front visible window */
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static GrafPortPtr lastActiveWindow;
activeWindow = FrontWindow();
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/* Speed up common case (no change since last time) */
if (activeWindow == lastActiveWindow)
return;
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lastActiveWindow = activeWindow;
if (activeWindow) {
if (GetSysWFlag(activeWindow)) { /* NDA window is active */
EnableMItem(fileClose);
EnableMItem(editUndo);
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EnableMItem(editCut);
EnableMItem(editCopy);
EnableMItem(editPaste);
EnableMItem(editClear);
}
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else if (activeWindow == newConnWindow) { /* New Connection window */
EnableMItem(fileClose);
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DisableMItem(editUndo);
EnableMItem(editCut);
EnableMItem(editCopy);
EnableMItem(editPaste);
EnableMItem(editClear);
}
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else if (activeWindow == vncWindow) {
DisableMItem(editUndo);
DisableMItem(editCopy);
DisableMItem(editCut);
DisableMItem(editPaste);
DisableMItem(editClear);
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}
}
else { /* no editable window on top */
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DisableMItem(fileClose);
DisableMItem(editUndo);
DisableMItem(editCut);
DisableMItem(editCopy);
DisableMItem(editPaste);
DisableMItem(editClear);
};
if (vncConnected) { /* VNC connection present */
DisableMItem(fileNewConnection);
EnableMItem(fileClose);
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if (viewOnlyMode)
DisableMItem(editSendClipboard);
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else
EnableMItem(editSendClipboard);
}
else {
DisableMItem(editSendClipboard);
}
}
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/* InitScreen - Set up color tables and SCBs to appropriate values
*/
static void InitScreen (void) {
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static ColorTable gray640Colors = {
0x0000, 0x0555, 0x0AAA, 0x0FFF, 0x0000, 0x0555, 0x0AAA, 0x0FFF,
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0x0000, 0x0555, 0x0AAA, 0x0FFF, 0x0000, 0x0555, 0x0AAA, 0x0FFF
};
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/* Apple menu uses color tables 1 through 6.
* We set SCBs for color table 7 in StartUpTools or QDStartUp. */
SetColorTable(7, &gray640Colors);
}
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static void Quit (void) {
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/* Done with event loop - now quitting */
if (vncConnected) /* Disconnect if still connected */
CloseTCPConnection();
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if (readBufferHndl)
DisposeHandle(readBufferHndl); /* Get rid of TCPIP read buffer hndl */
if (dpHndl)
DisposeHandle(dpHndl);
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if (cursor)
free(cursor);
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/* Ask the user if we should disconnect only if the connection */
/* is not "permanent," i.e. started when the system boots up. */
if (TCPIPGetConnectStatus() && (!TCPIPGetBootConnectFlag()))
if (AlertWindow(awResource+awButtonLayout, NULL, disconnectTCPIPAlert))
{
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WaitCursor();
/* Must use force flag below because Marinetti will still count
* our ipid as logged in (proventing non-forced disconnect)
* for several minutes after the TCPIPLogout call. */
TCPIPDisconnect(TRUE, &DisplayConnectStatus);
if (connectStatusWindowPtr != NULL)
CloseWindow(connectStatusWindowPtr);
}
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UnloadScrap(); /* Save scrap to disk */
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TCPIPShutDown(); /* Shut down Marinetti */
UnloadOneTool(54);
ShutDownTools(1, startStopParm); /* shut down the tools */
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exit(0);
}
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/***************************************************************
* Main - Initial startup function
***************************************************************/
int main (void) {
int event; /* event type returned by TaskMaster */
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#define wrNum 1001 /* New Conn. window resource number */
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startStopParm = /* start up the tools */
StartUpTools(userid(), 2, 1);
if (toolerror() != 0) {
GrafOff();
SysFailMgr(toolerror(), "\pCould not start tools: ");
}
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readBufferHndl = NewHandle(1, userid(), 0, NULL);
if (toolerror()) goto oomQuit;
dpHndl = NewHandle(0x0100, userid(),
attrLocked|attrFixed|attrPage|attrNoCross|attrBank, 0x00000000);
if (toolerror()) goto oomQuit;
dpPtr = *dpHndl;
LoadOneTool(54, 0x200); /* load Marinetti 2.0+ */
if (toolerror()) { /* Check that Marinetti is available */
SysBeep(); /* Can't load Marinetti.. */
InitCursor(); /* Activate pointer cursor */
AlertWindow(awResource, NULL, noMarinettiError);
Quit(); /* Can't proceed, so just quit */
}
else /* Marinetti loaded successfully */
TCPIPStartUp(); /* ... so activate it now */
if (toolerror()) { /* Get handle for TCPIP read buffer */
oomQuit:
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SysBeep();
InitCursor();
AlertWindow(awResource, NULL, outOfMemoryError);
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Quit();
}
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InitScreen(); /* Set up color tables */
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LoadScrap(); /* put scrap in memory */
InitMenus(0); /* set up the menu bar */
InitCursor(); /* start the arrow cursor */
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vncConnected = FALSE; /* Initially not connected */
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newConnWindow = NewWindow2("\p New VNC Connection ", 0,
DrawContents, NULL, 0x02, wrNum, rWindParam1);
#undef wrNum
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DoNewConnection(); /* Display new connection window */
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/* main event loop */
myEvent.wmTaskMask = 0x001F79FF; /* let TaskMaster do everything needed */
while (!done) {
CheckMenus();
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event = TaskMaster(everyEvent, &myEvent);
if (vncConnected)
SendModifiers();
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switch (event) {
case wInSpecial:
case wInMenuBar: HandleMenu();
break;
case wInGoAway: DoClose((GrafPortPtr) myEvent.wmTaskData);
break;
case wInControl: HandleControl();
break;
case wInContent: if (vncWindow && ((GrafPortPtr)
myEvent.wmTaskData == vncWindow))
DoPointerEvent();
break;
case nullEvt: if (vncConnected) DoPointerEvent();
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break;
case keyDownEvt:
case autoKeyEvt: ProcessKeyEvent();
}
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if (vncConnected)
ConnectedEventLoop();
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else if (colorTablesComplete == FALSE)
if (MakeBigColorTables(256))
colorTablesComplete = TRUE;
}
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Quit();
}