qtreechangebar.cpp #1

// Implementation of QTreeChangeBar 

#include <clientapi.h>
#include <qcanvas.h>

#include "qtreeitem.h"

#include "changesorter.h"
#include "filehead.h"

#include "clientchangeuser.h"
#include "qtreechangenum.h"
#include "qtreechangebar.h"


// Create a changebar based on the given ChangeSorter. 
QTreeChangeBar::QTreeChangeBar( QCanvas* can, ChangeSorter* chgs, bool trunc )
: QCanvasRectangle( can ), changes( chgs )
{
	int numchanges;
	if ( trunc )
		numchanges = changes->ArrSize();
	else
		numchanges = changes->Size();

	// Set geometry. 
	int mywidth = numchanges*TREE_BALLSPACE;
	if ( mywidth < TREE_BARWIDTH ) mywidth = TREE_BARWIDTH;
	setSize( mywidth, TREE_BARHEIGHT );
	setZ( 1 );
	setPen( QPen::NoPen );

	// Put down numbers. 
	nums = new QTreeChangeNum*[numchanges];
	QString cnum, tip;
	FileRev* frev;
	for ( int a = 0 ; a < numchanges ; a++ )
	{
		if ( trunc )
		{
			cnum = changes->GetArrChange( a + 1 ).Text();
			frev = changes->GetArrRev( a + 1 );
		}
		else
		{
			cnum = changes->GetChange( a + 1 ).Text();
			frev = changes->GetRev( a + 1 );
		}
		tip = QString( "Change ");
		tip += cnum;
		tip += " on ";
		tip += frev->date.Text();
		tip += " by ";
		tip += frev->user.Text();
		nums[a] = new QTreeChangeNum( can, cnum, tip );

		// Move into place and center. 
		nums[a]->move( a*TREE_BALLSPACE +
			TREE_BALLSPACE/2 - nums[a]->boundingRect().width()/2,
			TREE_BARHEIGHT/2 - nums[a]->boundingRect().height()/2 );
		nums[a]->show();
	}

	// black line at bottom of bar
	bline = new QCanvasLine( can );
	QRect r = rect();
	bline->setPoints( r.left(), r.bottom(), r.right(), r.bottom() );
	bline->setZ( 10 );
	bline->show();
}

QTreeChangeBar::~QTreeChangeBar()
{

}

// Called on construction or when changing color scheme.
void QTreeChangeBar::UpdateBrush()
{
	setBrush( QBrush( QColor( TREE_COLCBAR ) ) );
}