GliderPRO/Sources/Marquee.c

//============================================================================
//----------------------------------------------------------------------------
//									Marquee.c
//----------------------------------------------------------------------------
//============================================================================


#include "Externs.h"
#include "Marquee.h"
#include "Objects.h"
#include "ObjectEdit.h"
#include "RectUtils.h"


#define	kMarqueePatListID		128
#define kHandleSideLong			9


void DrawGliderMarquee (void);
void DrawMarquee (void);


marquee		theMarquee;
Rect		marqueeGliderRect;
Boolean		gliderMarqueeUp;


extern	Cursor		handCursor, vertCursor, horiCursor, diagCursor;
extern	Rect		leftStartGliderSrc;


//==============================================================  Functions
//--------------------------------------------------------------  DoMarquee

void DoMarquee (void)
{	
	if ((!theMarquee.active) || (theMarquee.paused))
		return;
	
	SetPortWindowPort(mainWindow);
	PenMode(patXor);
	PenPat(&theMarquee.pats[theMarquee.index]);
	DrawMarquee();
	theMarquee.index++;
	if (theMarquee.index >= kNumMarqueePats)
		theMarquee.index = 0;
	PenPat(&theMarquee.pats[theMarquee.index]);
	DrawMarquee();
	PenNormal();
}

//--------------------------------------------------------------  StartMarquee

void StartMarquee (Rect *theRect)
{
	if (theMarquee.active)
		StopMarquee();
	
	if (objActive == kNoObjectSelected)
		return;
	
	SetPortWindowPort(mainWindow);
	theMarquee.bounds = *theRect;
	theMarquee.active = true;
	theMarquee.paused = false;
	theMarquee.handled = false;
	PenMode(patXor);
	PenPat(&theMarquee.pats[theMarquee.index]);
	DrawMarquee();
	PenNormal();
	SetCoordinateHVD(theMarquee.bounds.left, theMarquee.bounds.top, -1);
}

//--------------------------------------------------------------  StartMarqueeHandled

void StartMarqueeHandled (Rect *theRect, short direction, short dist)
{
	if (theMarquee.active)
		StopMarquee();
	
	if (objActive == kNoObjectSelected)
		return;
	
	SetPortWindowPort(mainWindow);
	theMarquee.bounds = *theRect;
	theMarquee.active = true;
	theMarquee.paused = false;
	theMarquee.handled = true;
	QSetRect(&theMarquee.handle, 0, 0, kHandleSideLong, kHandleSideLong);
	QOffsetRect(&theMarquee.handle, kHandleSideLong / -2, kHandleSideLong / -2);
	switch (direction)
	{
		case kAbove:
		QOffsetRect(&theMarquee.handle, theMarquee.bounds.left, 
				theMarquee.bounds.top);
		QOffsetRect(&theMarquee.handle, HalfRectWide(&theMarquee.bounds), -dist);
		break;
		
		case kToRight:
		QOffsetRect(&theMarquee.handle, theMarquee.bounds.right, 
				theMarquee.bounds.top);
		QOffsetRect(&theMarquee.handle, dist, HalfRectTall(&theMarquee.bounds));
		break;
		
		case kBelow:
		QOffsetRect(&theMarquee.handle, theMarquee.bounds.left, 
				theMarquee.bounds.bottom);
		QOffsetRect(&theMarquee.handle, HalfRectWide(&theMarquee.bounds), dist);
		break;
		
		case kToLeft:
		QOffsetRect(&theMarquee.handle, theMarquee.bounds.left, 
				theMarquee.bounds.top);
		QOffsetRect(&theMarquee.handle, -dist, HalfRectTall(&theMarquee.bounds));
		break;
		
		case kBottomCorner:
		QOffsetRect(&theMarquee.handle, theMarquee.bounds.right, 
				theMarquee.bounds.bottom);
		break;
		
		case kTopCorner:
		QOffsetRect(&theMarquee.handle, theMarquee.bounds.right, 
				theMarquee.bounds.top);
		break;
	}
	theMarquee.direction = direction;
	theMarquee.dist = dist;
	
	PenMode(patXor);
	PenPat(&theMarquee.pats[theMarquee.index]);
	DrawMarquee();
	PenNormal();
	SetCoordinateHVD(theMarquee.bounds.left, theMarquee.bounds.top, dist);
}

//--------------------------------------------------------------  StopMarquee

void StopMarquee (void)
{
	if (gliderMarqueeUp)
	{
		DrawGliderMarquee();
		gliderMarqueeUp = false;
	}
	
	if (!theMarquee.active)
		return;
	
	SetPortWindowPort(mainWindow);
	PenMode(patXor);
	PenPat(&theMarquee.pats[theMarquee.index]);
	DrawMarquee();
	PenNormal();
	theMarquee.active = false;
	SetCoordinateHVD(-1, -1, -1);
}

//--------------------------------------------------------------  PauseMarquee

void PauseMarquee (