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#include <QtTest/QtTest>

#include "q3scrollview.h"

#include <qapplication.h>

#include <qpainter.h>

#include <qlabel.h>

#include <q3scrollview.h>

//TESTED_CLASS=

//TESTED_FILES=compat/widgets/q3scrollview.h compat/widgets/q3scrollview.cpp

QT_FORWARD_DECLARE_CLASS(QTestScrollView)

Q_DECLARE_METATYPE(QTestScrollView *)

Q_DECLARE_METATYPE(QPixmap)

class tst_Q3ScrollView : public QObject

{

Q_OBJECT

public:

    tst_Q3ScrollView();

    virtual ~tst_Q3ScrollView();

public slots:

    void initTestCase();

    void cleanupTestCase();

    void init();

    void cleanup();

private slots:

    void resizePolicy();

    void setResizePolicy();

private:

    QTestScrollView *testWidget;

};

// *************************************************

// *************************************************

#include <q3scrollview.h>

#include <qapplication.h>

#include <qmenubar.h>

#include <q3popupmenu.h>

#include <qpushbutton.h>

#include <qpainter.h>

#include <qpixmap.h>

#include <qmessagebox.h>

#include <qlayout.h>

#include <qlabel.h>

#include <q3multilineedit.h>

#include <qsizegrip.h>

#include <stdlib.h>

static const int style_id	= 0x1000;

static const int lw_id		= 0x2000;

static const int mlw_id		= 0x4000;

static const int mw_id		= 0x8000;

static const int max_lw		= 16;

static const int max_mlw	= 5;

static const int max_mw		= 10;

class BigShrinker : public QFrame

{

    Q_OBJECT

public:

    BigShrinker(QWidget* parent) : QFrame(parent)

    {

	setFrameStyle(QFrame::Box | QFrame::Sunken);

	int h=35;

	int b=0;

	for (int y=0; y<2000-h; y+=h+10) {

	    QString str;

	    str.sprintf("Button %d", b++);

	    (new QPushButton(str, this))->move(y/2,y);

	}

	resize(1000,2000);

    }

};

class BigMatrix : public Q3ScrollView

{

    Q3MultiLineEdit *dragging;

public:

    BigMatrix(QWidget* parent) : Q3ScrollView(parent,"matrix", Qt::WStaticContents),

	bg("bg.ppm")

    {

	bg.load("bg.ppm");

	resizeContents(400000,300000);

	dragging = 0;

    }

    void viewportMousePressEvent(QMouseEvent* e)

    {

	int x, y;

	viewportToContents( e->x(),  e->y(), x, y );

	dragging = new Q3MultiLineEdit(viewport(),"Another");

	dragging->setText("Thanks!");

	dragging->resize(100,100);

	addChild(dragging, x, y);

	showChild(dragging);

    }

    void viewportMouseReleaseEvent(QMouseEvent*)

    {

	dragging = 0;

    }

    void viewportMouseMoveEvent(QMouseEvent* e)

    {

	if ( dragging ) {

	    int mx, my;

	    viewportToContents( e->x(),  e->y(), mx, my );

	    int cx = childX(dragging);

	    int cy = childY(dragging);

	    int w = mx - cx + 1;

	    int h = my - cy + 1;

	    QString msg;

	    msg.sprintf("at (%d,%d) %d by %d",cx,cy,w,h);

	    dragging->setText(msg);

	    dragging->resize(w,h);

	}

    }

protected:

    void drawContents(QPainter* p, int cx, int cy, int cw, int ch)

    {

	// The Background

	if ( !bg.isNull() ) {

	    int rowheight=bg.height();

	    int toprow=cy/rowheight;

	    int bottomrow=(cy+ch+rowheight-1)/rowheight;

	    int colwidth=bg.width();

	    int leftcol=cx/colwidth;

	    int rightcol=(cx+cw+colwidth-1)/colwidth;

	    for (int r=toprow; r<=bottomrow; r++) {

		int py=r*rowheight;

		for (int c=leftcol; c<=rightcol; c++) {

		    int px=c*colwidth;

		    p->drawPixmap(px, py, bg);

		}

	    }

	} else {

	    p->fillRect(cx, cy, cw, ch, QColor(240,222,208));

	}

	// The Numbers

	{

	    QFontMetrics fm=p->fontMetrics();

	    int rowheight=fm.lineSpacing();

	    int toprow=cy/rowheight;

	    int bottomrow=(cy+ch+rowheight-1)/rowheight;

	    int colwidth=fm.width("00000,000000 ")+3;

	    int leftcol=cx/colwidth;

	    int rightcol=(cx+cw+colwidth-1)/colwidth;

	    QString str;

	    for (int r=toprow; r<=bottomrow; r++) {

		int py=r*rowheight;

		for (int c=leftcol; c<=rightcol; c++) {

		    int px=c*colwidth;

		    str.sprintf("%d,%d",c,r);

		    p->drawText(px+3, py+fm.ascent(), str);

		}

	    }

/*

	    // The Big Hint

	    if (leftcol<10 && toprow<5) {

		p->setFont(QFont("Charter",30));

		p->setPen(red);

		QString text;

		text.sprintf("HINT:  Look at %d,%d",215000/colwidth,115000/rowheight);

		p->drawText(100,50,text);

	    }

*/

        }

	// The Big X

	{

	    if (cx+cw>200000 && cy+ch>100000 && cx<230000 && cy<130000) {

		// Note that some X server cannot even handle co-ordinates

		// beyond about 4000, so you might not see this.

		p->drawLine(200000,100000,229999,129999);

		p->drawLine(229999,100000,200000,129999);

		// X marks the spot!

		p->setFont(QFont("Charter",100));

		p->setPen(Qt::blue);

		p->drawText(215000-500,115000-100,1000,200,Qt::AlignCenter,"YOU WIN!!!!!");

	    }

	}

    }

private:

    QPixmap bg;

};

class ScrollViewExample : public QWidget

{

    Q_OBJECT

public:

    ScrollViewExample( int technique, QWidget* parent=0, const char* name=0) : QWidget(parent,name)

    {

/*

	QMenuBar* menubar = new QMenuBar(this);

	Q_CHECK_PTR( menubar );

	QPopupMenu* file = new QPopupMenu( menubar );

	Q_CHECK_PTR( file );

	menubar->insertItem( "&File", file );

	file->insertItem( "Quit", qApp,  SLOT(quit()) );

	vp_options = new QPopupMenu( menubar );

	Q_CHECK_PTR( vp_options );

	vp_options->setCheckable( TRUE );

	menubar->insertItem( "&ScrollView", vp_options );

	connect( vp_options, SIGNAL(activated(int)), this, SLOT(doVPMenuItem(int)) );

	vauto_id = vp_options->insertItem( "Vertical Auto" );

	vaoff_id = vp_options->insertItem( "Vertical AlwaysOff" );

	vaon_id = vp_options->insertItem( "Vertical AlwaysOn" );

	vp_options->insertSeparator();

	hauto_id = vp_options->insertItem( "Horizontal Auto" );

	haoff_id = vp_options->insertItem( "Horizontal AlwaysOff" );

	haon_id = vp_options->insertItem( "Horizontal AlwaysOn" );

	vp_options->insertSeparator();

	corn_id = vp_options->insertItem( "cornerWidget" );

*/

	if (technique == 1) {

	    vp = new Q3ScrollView(this);

	    BigShrinker *bs = new BigShrinker(0);

	    vp->addChild(bs);

	    bs->setAcceptDrops(TRUE);

	} else {

	    vp = new BigMatrix(this);

	    if ( technique == 3 )

		vp->enableClipper(TRUE);

	    srand(1);

/*

	    for (int i=0; i<30; i++) {

		QMultiLineEdit *l = new QMultiLineEdit(vp->viewport(),"First");

		l->setText("Drag out more of these.");

		l->resize(100,100);

		vp->addChild(l, rand()%800, rand()%10000);

	    }

*/

            vp->viewport()->setBackgroundMode(Qt::NoBackground);

	}

/*

	f_options = new QPopupMenu( menubar );

	Q_CHECK_PTR( f_options );

	f_options->setCheckable( TRUE );

	menubar->insertItem( "F&rame", f_options );

	connect( f_options, SIGNAL(activated(int)), this, SLOT(doFMenuItem(int)) );

	f_options->insertItem( "No Frame", style_id );

	f_options->insertItem( "Box", style_id|QFrame::Box );

	f_options->insertItem( "Panel", style_id|QFrame::Panel );

	f_options->insertItem( "WinPanel", style_id|QFrame::WinPanel );

	f_options->insertSeparator();

	f_options->insertItem( "Plain", style_id|QFrame::Plain );

	f_options->insertItem( "Raised", style_id|QFrame::Raised );

	f_laststyle = f_options->indexOf(

	    f_options->insertItem( "Sunken", style_id|QFrame::Sunken ));

	f_options->insertSeparator();

        lw_options = new QPopupMenu( menubar );

	Q_CHECK_PTR( lw_options );

	lw_options->setCheckable( TRUE );

	for (int lw = 1; lw <= max_lw; lw++) {

	    QString str;

	    str.sprintf("%d Pixels", lw);

	    lw_options->insertItem( str, lw_id | lw );

	}

	f_options->insertItem( "Line Width", lw_options );

	connect( lw_options, SIGNAL(activated(int)), this, SLOT(doFMenuItem(int)) );

        mlw_options = new QPopupMenu( menubar );

	Q_CHECK_PTR( mlw_options );

	mlw_options->setCheckable( TRUE );

	for (int mlw = 0; mlw <= max_mlw; mlw++) {

	    QString str;

	    str.sprintf("%d Pixels", mlw);

	    mlw_options->insertItem( str, mlw_id | mlw );

	}

	f_options->insertItem( "Midline Width", mlw_options );

	connect( mlw_options, SIGNAL(activated(int)), this, SLOT(doFMenuItem(int)) );

        mw_options = new QPopupMenu( menubar );

	Q_CHECK_PTR( mw_options );

	mw_options->setCheckable( TRUE );

	for (int mw = 0; mw <= max_mw; mw++) {

	    QString str;

	    str.sprintf("%d Pixels", mw);

	    mw_options->insertItem( str, mw_id | mw );

	}

	f_options->insertItem( "Margin Width", mw_options );

	connect( mw_options, SIGNAL(activated(int)), this, SLOT(doFMenuItem(int)) );

	setVPMenuItems();

	setFMenuItems();

*/

	QVBoxLayout* vbox = new QVBoxLayout(this);

/*

	vbox->setMenuBar(menubar);

	menubar->setSeparator(QMenuBar::InWindowsStyle);

*/

        vbox->addWidget(vp);

	vbox->activate();

	corner = new QSizeGrip(this);

	corner->hide();

    }

    void center( int x, int y )

    {

        vp->center( x, y );

    }

private slots:

/*

    void doVPMenuItem(int id)

    {

	if (id == vauto_id ) {

	    vp->setVScrollBarMode(Q3ScrollView::Auto);

	} else if (id == vaoff_id) {

	    vp->setVScrollBarMode(Q3ScrollView::AlwaysOff);

	} else if (id == vaon_id) {

	    vp->setVScrollBarMode(Q3ScrollView::AlwaysOn);

	} else if (id == hauto_id) {

	    vp->setHScrollBarMode(Q3ScrollView::Auto);

	} else if (id == haoff_id) {

	    vp->setHScrollBarMode(Q3ScrollView::AlwaysOff);

	} else if (id == haon_id) {

	    vp->setHScrollBarMode(Q3ScrollView::AlwaysOn);

	} else if (id == corn_id) {

	    bool corn = !vp->cornerWidget();

	    vp->setCornerWidget(corn ? corner : 0);

	} else {

	    return; // Not for us to process.

	}

	setVPMenuItems();

    }

*/

/*

    void setVPMenuItems()

    {

	Q3ScrollView::ScrollBarMode vm = vp->vScrollBarMode();

	vp_options->setItemChecked( vauto_id, vm == Q3ScrollView::Auto );

	vp_options->setItemChecked( vaoff_id, vm == Q3ScrollView::AlwaysOff );

	vp_options->setItemChecked( vaon_id, vm == Q3ScrollView::AlwaysOn );

	Q3ScrollView::ScrollBarMode hm = vp->hScrollBarMode();

	vp_options->setItemChecked( hauto_id, hm == Q3ScrollView::Auto );

	vp_options->setItemChecked( haoff_id, hm == Q3ScrollView::AlwaysOff );

	vp_options->setItemChecked( haon_id, hm == Q3ScrollView::AlwaysOn );

	vp_options->setItemChecked( corn_id, !!vp->cornerWidget() );

    }

*/

/*

    void doFMenuItem(int id)

    {

	if (id & style_id) {

	    int sty;

	    if (id == style_id) {

		sty = 0;

	    } else if (id & QFrame::MShape) {

		sty = vp->frameStyle()&QFrame::MShadow;

		sty = (sty ? sty : QFrame::Plain) | (id&QFrame::MShape);

	    } else {

		sty = vp->frameStyle()&QFrame::MShape;

		sty = (sty ? sty : QFrame::Box) | (id&QFrame::MShadow);

	    }

	    vp->setFrameStyle(sty);

	} else if (id & lw_id) {

	    vp->setLineWidth(id&~lw_id);

	} else if (id & mlw_id) {

	    vp->setMidLineWidth(id&~mlw_id);

	} else {

	    vp->setMargin(id&~mw_id);

	}

	vp->update();

	setFMenuItems();

    }

*/

/*

    void setFMenuItems()

    {

	int sty = vp->frameStyle();

	f_options->setItemChecked( style_id, !sty );

	for (int i=1; i <= f_laststyle; i++) {

	    int id = f_options->idAt(i);

	    if (id & QFrame::MShape)

		f_options->setItemChecked( id,

		    ((id&QFrame::MShape) == (sty&QFrame::MShape)) );

	    else

		f_options->setItemChecked( id,

		    ((id&QFrame::MShadow) == (sty&QFrame::MShadow)) );

	}

	for (int lw=1; lw<=max_lw; lw++)

	    lw_options->setItemChecked( lw_id|lw, vp->lineWidth() == lw );

	for (int mlw=0; mlw<=max_mlw; mlw++)

	    mlw_options->setItemChecked( mlw_id|mlw, vp->midLineWidth() == mlw );

	for (int mw=0; mw<=max_mw; mw++)

	    mw_options->setItemChecked( mw_id|mw, vp->margin() == mw );

    }

*/

private:

    Q3ScrollView* vp;

/*

    QPopupMenu* vp_options;

    QPopupMenu* f_options;

    QPopupMenu* lw_options;

    QPopupMenu* mlw_options;

    QPopupMenu* mw_options;

*/

    QSizeGrip* corner;

/*

    int vauto_id, vaoff_id, vaon_id,

	hauto_id, haoff_id, haon_id,

	corn_id;

    int f_laststyle;

*/

};

Q_DECLARE_METATYPE(ScrollViewExample *)

// *************************************************

// *************************************************

class QTestScrollView : public Q3ScrollView

{

public:

    QString scroll_text;

//private:

    void drawContents( QPainter *p, int cx, int cy, int cw, int ch )

    {

        if (scroll_text == "") {

            p->fillRect( cx, cy, cw, ch, Qt::white );

        } else {

            p->fillRect( cx, cy, cw, ch, Qt::white );

            QFont f;

            f.setFamily( "tahoma" );

            f.setPointSize( 24 );

            QFontMetrics fm(f);

            p->setFont( f );

            int height = fm.height();

            int y = 10;

            int x = 10;

            for( int i = 0; i < (int)scroll_text.length(); i++ ) {

                if ( !scroll_text[i].isMark() )

                    y += height + 5;

                p->setPen( Qt::red );

                QRect br = fm.boundingRect( scroll_text.at(i) );

                br.moveBy( x, y );

                p->drawRect( br );

                p->setPen( Qt::black );

                p->drawText( x, y, scroll_text, i, 1 );

            }

            resizeContents( 170, y + 100 );