Leaked source code of windows server 2003
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/************************************************************/
/* Windows Write, Copyright 1985-1992 Microsoft Corporation */
/************************************************************/
/* The routines in this file roughly correspond to the routines in the original
Mac Word file, sand.c. But since that name is confusing, and most of these
routine deal with the mouse, the name was changed to protect the innocent. */
#define NOGDICAPMASKS
#define NOWINSTYLES
#define NOCLIPBOARD
#define NOCTLMGR
#define NOSYSMETRICS
#define NOMENUS
#define NOSOUND
#define NOCOMM
//#define NOMETAFILE
#include <windows.h>
#include "mw.h"
#include "dispdefs.h"
#define NOUAC
#include "cmddefs.h"
#include "wwdefs.h"
#include "fmtdefs.h"
#include "propdefs.h"
#if defined(OLE)
#include "obj.h"
#include "winddefs.h"
#include "str.h"
#endif
/* cpNil is defined in docdefs.h, but to include the whole file will cause the
symbol table to overflow, so it is redefined here. */
#define cpNil ((typeCP) -1)
extern struct WWD rgwwd[];
extern struct WWD *pwwdCur;
extern int wwCur;
extern struct SEL selCur;
extern int docCur;
extern int vfShiftKey;
extern int vfOptionKey;
extern int vfCommandKey;
extern int vfDoubleClick;
extern typeCP vcpFirstParaCache;
extern typeCP vcpLimParaCache;
extern struct PAP vpapAbs;
extern typeCP cpWall;
extern int vfDidSearch;
extern typeCP vcpSelect;
extern int vfSelAtPara;
extern int vfPictSel;
extern long tickOld;
#ifdef PENWIN
extern int vcFakeMessage;
extern LONG FAR PASCAL GetMessageExtraInfo( void ); // Defined in Win 3.1
#endif
/* G L O B A L S */
int vfSelecting = false;
int vstyCur;
int vpsmCur;
int vfObjOpen=0,vfObjProps=0,vfObjSel=0;
int vfAwfulNoise = false;
struct SEL selPend;
/* MB_STANDARD is the same as in diaalert.c */
#define MB_STANDARD (MB_OK | MB_SYSTEMMODAL | MB_ICONEXCLAMATION)
/* _ B E E P */
_beep()
{
/* Beeps once */
if (!vfAwfulNoise)
{
beep();
vfAwfulNoise = true;
}
}
beep()
{
MessageBeep(MB_STANDARD);
}
/* D O C O N T E N T H I T */
DoContentHit(pt)
POINT pt;
{
/* This routine process everything from a mouse-down click to the
corresponding mouse-up click. */
int dlMouse;
/* Ignore mouse hits in the page area & above the first line*/
if ( (pt.y >= wwdCurrentDoc.ypMac) ||
(pt.y < wwdCurrentDoc.ypMin) )
return;
/* Check for a special selection, i.e. move, copy or format text. */
if (FSetPsm())
{
blt(&selCur, &selPend, cwSEL);
vfDoubleClick = vfCommandKey = vfShiftKey = false;
vstyCur = vpsmCur != psmLooks ? StyFromPt(pt) : styChar;
}
else
{
vstyCur = StyFromPt(pt);
}
dlMouse = DlFromYp(pt.y, pwwdCur);
vcpSelect = cpNil;
vfSelAtPara = false;
#ifdef ENABLE
if (vfPictSel)
{
/* Check for a picture modification (moving, sizing). */
if (FHitPictFrame(dlMouse, pt))
{
return;
}
/* Remove the picture frame */
ToggleSel(selCur.cpFirst, selCur.cpLim, false);
vfPictSel = false;
ToggleSel(selCur.cpFirst, selCur.cpLim, true);
}
#endif
vfSelecting = true;
SelectDlXp(dlMouse, pt.x, vstyCur, vfShiftKey);
/* Now we sit in a loop processing all mouse events in all windows until a
mouse-up click. */
SetCapture(wwdCurrentDoc.wwptr);
while( FStillDown( &pt ) )
{
/* If the mouse is above or below the window, then scroll the window and
pretend the mouse is in the window. */
if (pt.y > (int)wwdCurrentDoc.ypMac)
{
ScrollDownCtr( 1 );
goto DoCont1;
}
else if (pt.y < (int)wwdCurrentDoc.ypMin)
{
ScrollUpCtr( 1 );
DoCont1: UpdateWw(wwCur, false);
}
/* Get a valid dl and xp. */
dlMouse = DlFromYp(pt.y, pwwdCur);
if (pt.x < 0)
pt.x = 0;
else if (pt.x > wwdCurrentDoc.xpMac)
pt.x = wwdCurrentDoc.xpMac;
/* Update the selection. */
if (vfOptionKey)
{
vcpSelect = cpNil;
}
SelectDlXp(dlMouse, pt.x, vstyCur, !vfOptionKey);
} /* End of for ( ; ; ) */
/* Release all of the mouse events. */
ReleaseCapture();
/* Process Mouse Up */
DoContentHitEnd( pt );
SetFocus( wwdCurrentDoc.wwptr );
/* If the selection is an insertion bar, start it flashing. */
if (selCur.cpFirst == selCur.cpLim)
{
extern int vfSkipNextBlink;
vfSkipNextBlink = true;
}
#if defined(OLE)
if (ObjQueryCpIsObject(docCur,selCur.cpFirst) && (vfObjProps || vfObjOpen))
/* doubleclick and maybe alt key */
{
/* set whether link or emb selected */
ObjSetSelectionType(docCur,selCur.cpFirst,selCur.cpLim);
if (vfObjProps)
/* alt + double click */
{
switch(OBJ_SELECTIONTYPE)
{
#if 0 // do nothing if embedded
case EMBEDDED:
{
struct PICINFOX picInfo;
GetPicInfo(selCur.cpFirst,selCur.cpLim, docCur, &picInfo);
ObjEditObjectInDoc(&picInfo, docCur, vcpFirstParaCache);
}
break;
#endif
case LINK:
/* bring up properties dlg */
fnObjProperties();
break;
}
CachePara(docCur,selCur.cpFirst);
}
else if (vfObjOpen) // edit object
/* double click */
{
if (OBJ_SELECTIONTYPE == STATIC)
Error(IDPMTStatic);
else
{
struct PICINFOX picInfo;
GetPicInfo(selCur.cpFirst,selCur.cpLim, docCur, &picInfo);
ObjPlayObjectInDoc(&picInfo, docCur, vcpFirstParaCache);
}
}
}
#endif
}
/* D O C O N T E N T H I T E N D */
DoContentHitEnd(pt)
POINT pt;
{
int dlMouse;
int cch;
dlMouse = DlFromYp(min(pt.y, wwdCurrentDoc.ypMac), pwwdCur);
SelectDlXp(dlMouse, pt.x, vstyCur, vpsmCur == psmNil);
switch (vpsmCur)
{
default:
case psmNil:
break;
case psmLooks:
LooksMouse();
break;
case psmCopy:
#if defined(OLE)
/* we'll disable CopyMouse if any objects are in dest */
vfObjSel = ObjQueryCpIsObject(docCur,selCur.cpFirst);
if (!vfObjSel)
// !!! disable because for objects this
// interferes with Alt-DoubleClick (2.20.91) D. Kent
#endif
CopyMouse();
break;
case psmMove:
MoveMouse();
break;
}
#ifdef ENABLE
CachePara(docCur, selCur.cpFirst);
if (vpapAbs.fGraphics && selCur.cpLim == vcpLimParaCache)
{
/* Selected a picture, do special selection stuff. */
Assert(selCur.cpFirst == vcpFirstParaCache);
/* Turn off the selection, indicate that it is a picture, then turn it
back on. */
ToggleSel(selCur.cpFirst, selCur.cpLim, false);
vfPictSel = true;
ToggleSel(selCur.cpFirst, selCur.cpLim, true);
}
else
{
vfPictSel = false;
}
#endif
vfDidSearch = false;
cpWall = selCur.cpLim;
vfSelecting = false;
}
/* S T Y F R O M P T */
int StyFromPt(pt)
POINT pt;
{
/* Return the style code associated with the selection made at point pt. */
if (pt.x > xpSelBar)
{
return vfCommandKey ? stySent : (vfDoubleClick ? styWord : styChar);
}
else
{
return vfCommandKey ? styDoc : (vfDoubleClick ? styPara : styLine);
}
}
/* F S E T P S M */
int FSetPsm()
{
/* Sets vpsmCur according to the states of the shift, commad, and option
keys. True is returned if vpsmCur is not nil; false otherwise. */
vpsmCur = psmNil;
if (vfOptionKey)
{
if (vfShiftKey && !vfCommandKey)
{
vpsmCur = psmMove;
}
else if (vfCommandKey && !vfShiftKey)
{
vpsmCur = psmLooks;
}
else if (!vfCommandKey && !vfShiftKey)
{
vfObjProps = vfDoubleClick;
vfObjOpen = FALSE;
vpsmCur = psmCopy;
}
}
else
{
vfObjOpen = vfDoubleClick;
vfObjProps = FALSE;
}
return (vpsmCur != psmNil);
}
/* D L F R O M Y P */
int DlFromYp(yp, pwwd)
int yp;
struct WWD *pwwd;
{
/* Return the dl that contains yp */
int dlT;
int ypSum;
struct EDL *pedl;
int dlMac;
/* Clean up a dirty window. */
if (pwwd->fDirty)
{
UpdateWw(pwwd - &rgwwd[0] /* = ww; grr.. */, false);
}
/* Loop throught the EDLs summing up the heights utill the sum is greater
than yp. */
ypSum = pwwd->ypMin;
pedl = &(**(pwwd->hdndl))[0];
dlMac = pwwd->dlMac;
for (dlT = 0; dlT < dlMac; ++dlT, pedl++)
{
ypSum += pedl->dyp;
if (ypSum > yp)
{
return dlT;
}
}
return dlMac - 1;
}
FStillDown( ppt )
POINT *ppt;
{ /* This is roughly equivalent to a Mac routine that returns whether
the mouse button is down. We look for one mouse message from our
window's queue, and return FALSE if it is a BUTTONUP. We return the
point at which the mouse event occurred through a pointer. If no
message occurred, we return TRUE and do not store into the pointer */
MSG msg;
retry_peek:
if ( PeekMessage( (LPMSG)&msg, (HWND)NULL, NULL, NULL, PM_REMOVE ) )
{
extern WORD wWinVer;
switch (msg.message) {
default:
TranslateMessage( (LPMSG)&msg );
DispatchMessage( (LPMSG)&msg );
return TRUE;
case WM_MOUSEMOVE:
case WM_LBUTTONUP:
case WM_LBUTTONDOWN:
#ifdef PENWIN
if (((wWinVer & 0xFF) >= 3) && ((wWinVer & 0xFF00) >= 0x0A00))
/* Windows Version >= 3.10 */
if( vcFakeMessage > 0 )
{
static FARPROC MessageExtraInfo = NULL;
if (MessageExtraInfo == NULL)
MessageExtraInfo = GetProcAddress(GetModuleHandle((LPSTR)"USER"),(LPSTR)288L);
if( MessageExtraInfo() != 0 )
goto retry_peek;
vcFakeMessage--;
}
#endif
/* A Mouse Move, Mouse Down, or Mouse Up is waiting */
ppt->x = MAKEPOINT(msg.lParam).x;
ppt->y = MAKEPOINT(msg.lParam).y;
return (msg.message != WM_LBUTTONUP);
}
}
else
return GetKeyState( VK_LBUTTON ) < 0;
return TRUE;
}