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/*
* Copyright 1991-1994 by The University of Texas at Austin
* All rights reserved.
*
* For infomation contact:
* Rick Watson
* University of Texas
* Computation Center, COM 1
* Austin, TX 78712
* r.watson@utexas.edu
* 512-471-3241
*/
/*
* LDEF to draw text with tabs to specific offsets
*
* The offset is set when a tab (9) is encountered.
* The format is <tab>nnn; where nnn is the decimal offset
* from the beginning of the line.
*/
#include <Controls.h>
#include <Errors.h>
#include <Fonts.h>
#include <Lists.h>
#include <OSEvents.h>
#include <OSUtils.h>
#include <Packages.h>
#include <QuickDraw.h>
#include <String.h>
#include <Strings.h>
#include <SysEqu.h>
#include <Traps.h>
#include <ToolUtils.h>
/* constants for spacing */
#define kLeftOffset 2
#define kTopOffset 0
#define kIconSpace 2
/* prototypes */
void DrawSICN(Ptr theSICN,short left,short top,GrafPtr drawPort);
/* main LDEF entry point */
pascal void main(short lMessage, Boolean lSelect, Rect *lRect, Cell lCell,
short lDataOffset, short lDataLen, ListHandle lHandle)
{
FontInfo fontInfo; /* font information (ascent/descent/etc) */
ListPtr listPtr; /* pointer to store dereferenced list */
SignedByte hStateList, hStateCells; /* state variables for HGetState/SetState */
Ptr cellData; /* points to start of cell data for list */
short leftDraw,topDraw; /* left/top offsets from topleft of cell */
unsigned char *cp, *cp1, *lim;
unsigned short w;
int savefont, savesize;
GrafPtr current;
#pragma unused (lCell)
/* lock and dereference list mgr handles */
GetPort(¤t);
savefont = current->txFont;
savesize = current->txSize;
TextFont(geneva);
TextSize(9);
hStateList = HGetState((Handle)lHandle);
HLock((Handle)lHandle);
listPtr = *lHandle;
hStateCells = HGetState(listPtr->cells);
HLock(listPtr->cells);
cellData = *(listPtr->cells);
switch (lMessage) {
case lInitMsg:
/* we don't need any initialization */
break;
case lDrawMsg:
EraseRect(lRect);
if (lDataLen > 0) {
/* determine starting point for drawing */
leftDraw = lRect->left+listPtr->indent.h+kLeftOffset;
/* topDraw = lRect->top+listPtr->indent.v+kTopOffset; */
topDraw = lRect->top+kTopOffset;
GetFontInfo(&fontInfo);
/*
* break text at tabs, setting offset when a tab is encountered.
*/
cp = &cellData[lDataOffset];
lim = &cellData[lDataOffset + lDataLen];
cp1 = cp;
w = 0;
while (cp <= lim) {
if ((*cp == 9) || (cp >= lim)) { /* draw previous */
MoveTo(leftDraw + w, topDraw + fontInfo.ascent);
if (cp - cp1)
DrawText(cp1, 0, cp - cp1);
}
if (cp >= lim)
break;
if (*cp++ == 9) {
/*
* Decode offset
*/
w = 0;
while (cp < lim) {
if ((*cp >= '0') && (*cp <= '9')) {
w *= 10;
w += (*cp - '0');
}
if (*cp++ == ';')
break;
}
cp1 = cp;
}
}
}
if (!lSelect)
break;
case lHiliteMsg:
/* do hilite color */
BitClr((Ptr)HiliteMode,pHiliteBit);
InvertRect(lRect);
break;
case lCloseMsg:
break;
}
TextFont(savefont);
TextSize(savesize);
HSetState(listPtr->cells, hStateCells);
HSetState((Handle)lHandle, hStateList);
}
#ifdef notdef
/* this procedure draws a small icon using CopyBits */
void DrawSICN(Ptr theSICN,short left,short top,GrafPtr drawPort)
{
BitMap iconMap;
Rect destRect;
iconMap.baseAddr = theSICN;
iconMap.rowBytes = 2;
SetRect(&iconMap.bounds,0,0,16,16);
SetRect(&destRect,0,0,16,16);
OffsetRect(&destRect,left,top);
CopyBits(&iconMap,&drawPort->portBits,&iconMap.bounds,&destRect,
srcCopy,nil);
}
#endif
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