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< td align = "right" valign = "center" > < img src = "logo32.png" align = "right" width = "64" height = "32" border = "0" > < / td > < / tr > < / table > < h1 align = center > Scrollview< / h1 >
< p >
This example shows how to use TQt's scrollview. This is a widget
optimized for very large contents.
< p > < hr >
< p > Implementation:
< p > < pre > /****************************************************************************
** $Id: qt/scrollview.cpp 3.3.8 edited Jan 11 14:37 $
**
** Copyright (C) 1992-2007 Trolltech ASA. All rights reserved.
**
** This file is part of an example program for TQt. This example
** program may be used, distributed and modified without limitation.
**
*****************************************************************************/
#include < < a href = "tqscrollview-h.html" > tqscrollview.h< / a > >
#include < < a href = "tqapplication-h.html" > tqapplication.h< / a > >
#include < < a href = "tqmenubar-h.html" > tqmenubar.h< / a > >
#include < < a href = "tqpopupmenu-h.html" > tqpopupmenu.h< / a > >
#include < < a href = "tqpushbutton-h.html" > tqpushbutton.h< / a > >
#include < < a href = "tqpainter-h.html" > tqpainter.h< / a > >
#include < < a href = "tqpixmap-h.html" > tqpixmap.h< / a > >
#include < < a href = "tqmessagebox-h.html" > tqmessagebox.h< / a > >
#include < < a href = "tqlayout-h.html" > tqlayout.h< / a > >
#include < < a href = "tqlabel-h.html" > tqlabel.h< / a > >
#include < < a href = "tqmultilineedit-h.html" > tqmultilineedit.h< / a > >
#include < < a href = "tqsizegrip-h.html" > tqsizegrip.h< / a > >
#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 < a href = "tqframe.html" > TQFrame< / a > {
< a href = "metaobjects.html#TQ_OBJECT" > TQ_OBJECT< / a >
public:
BigShrinker(TQWidget* parent) :
< a href = "tqframe.html" > TQFrame< / a > (parent)
{
setFrameStyle(TQFrame::Box|TQFrame::Sunken);
int h=35;
int b=0;
for (int y=0; y< 2000-h; y+=h+10) {
if (y == 0) {
< a href = "tqbutton.html" > TQButton< / a > * q=new < a href = "tqpushbutton.html" > TQPushButton< / a > ("Quit", this);
connect(q, TQ_SIGNAL(< a href = "tqbutton.html#clicked" > clicked< / a > ()), tqApp, TQ_SLOT(< a href = "tqapplication.html#quit" > quit< / a > ()));
} else {
< a href = "tqstring.html" > TQString< / a > str;
if ( b > 0 ) {
< a name = "x656" > < / a > str.< a href = "tqstring.html#sprintf" > sprintf< / a > ("Button %d", b++);
} else {
str = "I'm shrinking!";
++b;
}
(new < a href = "tqpushbutton.html" > TQPushButton< / a > (str, this))-> move(y/2,y);
}
}
resize(1000,2000);
startTimer(250);
}
void timerEvent(TQTimerEvent*)
{
int w=width();
int h=height();
if ( w > 50 ) w -= 1;
if ( h > 50 ) h -= 2;
resize(w,h);
}
void mouseReleaseEvent(TQMouseEvent* e)
{
emit clicked(e-> x(), e-> y());
}
signals:
void clicked(int,int);
};
class BigMatrix : public < a href = "tqscrollview.html" > TQScrollView< / a > {
< a href = "tqmultilineedit.html" > TQMultiLineEdit< / a > *dragging;
public:
BigMatrix(TQWidget* parent) :
< a href = "tqscrollview.html" > TQScrollView< / a > (parent,"matrix", WStaticContents),
bg("bg.ppm")
{
< a name = "x640" > < / a > bg.< a href = "tqpixmap.html#load" > load< / a > ("bg.ppm");
resizeContents(400000,300000);
dragging = 0;
}
void viewportMousePressEvent(TQMouseEvent* e)
{
int x, y;
viewportToContents( e-> x(), e-> y(), x, y );
dragging = new < a href = "tqmultilineedit.html" > TQMultiLineEdit< / a > (viewport(),"Another");
< a name = "x657" > < / a > dragging-> < a href = "tqtextedit.html#setText" > setText< / a > ("Thanks!");
< a name = "x650" > < / a > dragging-> < a href = "tqwidget.html#resize" > resize< / a > (100,100);
addChild(dragging, x, y);
showChild(dragging);
}
void viewportMouseReleaseEvent(TQMouseEvent*)
{
dragging = 0;
}
void viewportMouseMoveEvent(TQMouseEvent* 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;
< a href = "tqstring.html" > TQString< / a > msg;
msg.< a href = "tqstring.html#sprintf" > sprintf< / a > ("at (%d,%d) %d by %d",cx,cy,w,h);
dragging-> < a href = "tqtextedit.html#setText" > setText< / a > (msg);
dragging-> < a href = "tqwidget.html#resize" > resize< / a > (w,h);
}
}
protected:
void drawContents(TQPainter* p, int cx, int cy, int cw, int ch)
{
// The Background
< a name = "x639" > < / a > if ( !bg.< a href = "tqpixmap.html#isNull" > isNull< / a > () ) {
< a name = "x638" > < / a > int rowheight=bg.< a href = "tqpixmap.html#height" > height< / a > ();
int toprow=cy/rowheight;
int bottomrow=(cy+ch+rowheight-1)/rowheight;
< a name = "x641" > < / a > int colwidth=bg.< a href = "tqpixmap.html#width" > width< / a > ();
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, TQColor(240,222,208));
}
// The Numbers
{
< a href = "tqfontmetrics.html" > TQFontMetrics< / a > fm=p-> fontMetrics();
< a name = "x620" > < / a > int rowheight=fm.< a href = "tqfontmetrics.html#lineSpacing" > lineSpacing< / a > ();
int toprow=cy/rowheight;
int bottomrow=(cy+ch+rowheight-1)/rowheight;
< a name = "x621" > < / a > int colwidth=fm.< a href = "tqfontmetrics.html#width" > width< / a > ("00000,000000 ")+3;
int leftcol=cx/colwidth;
int rightcol=(cx+cw+colwidth-1)/colwidth;
< a href = "tqstring.html" > TQString< / a > str;
for (int r=toprow; r< =bottomrow; r++) {
int py=r*rowheight;
for (int c=leftcol; c< =rightcol; c++) {
int px=c*colwidth;
str.< a href = "tqstring.html#sprintf" > sprintf< / a > ("%d,%d",c,r);
< a name = "x619" > < / a > p-> drawText(px+3, py+fm.< a href = "tqfontmetrics.html#ascent" > ascent< / a > (), str);
}
}
// The Big Hint
if (leftcol< 10 & & toprow< 5) {
p-> setFont(TQFont("Charter",30));
p-> setPen(red);
< a href = "tqstring.html" > TQString< / a > text;
text.< a href = "tqstring.html#sprintf" > sprintf< / a > ("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(TQFont("Charter",100));
p-> setPen(blue);
p-> drawText(215000-500,115000-100,1000,200,AlignCenter,"YOU WIN!!!!!");
}
}
}
private:
< a href = "tqpixmap.html" > TQPixmap< / a > bg;
};
class ScrollViewExample : public < a href = "tqwidget.html" > TQWidget< / a > {
TQ_OBJECT
public:
ScrollViewExample(int technique, TQWidget* parent=0, const char* name=0) :
< a href = "tqwidget.html" > TQWidget< / a > (parent,name)
{
< a href = "tqmenubar.html" > TQMenuBar< / a > * menubar = new < a href = "tqmenubar.html" > TQMenuBar< / a > (this);
< a href = "tqapplication.html#TQ_CHECK_PTR" > TQ_CHECK_PTR< / a > ( menubar );
< a href = "tqpopupmenu.html" > TQPopupMenu< / a > * file = new < a href = "tqpopupmenu.html" > TQPopupMenu< / a > ( menubar );
< a href = "tqapplication.html#TQ_CHECK_PTR" > TQ_CHECK_PTR< / a > ( file );
< a name = "x634" > < / a > menubar-> < a href = "tqmenudata.html#insertItem" > insertItem< / a > ( "& File", file );
file-> < a href = "tqmenudata.html#insertItem" > insertItem< / a > ( "Quit", tqApp, TQ_SLOT(< a href = "tqapplication.html#quit" > quit< / a > ()) );
vp_options = new < a href = "tqpopupmenu.html" > TQPopupMenu< / a > ( menubar );
< a href = "tqapplication.html#TQ_CHECK_PTR" > TQ_CHECK_PTR< / a > ( vp_options );
< a name = "x644" > < / a > vp_options-> < a href = "tqpopupmenu.html#setCheckable" > setCheckable< / a > ( TRUE );
menubar-> < a href = "tqmenudata.html#insertItem" > insertItem< / a > ( "& ScrollView", vp_options );
< a name = "x642" > < / a > connect( vp_options, TQ_SIGNAL(< a href = "tqpopupmenu.html#activated" > activated< / a > (int)),
this, TQ_SLOT(doVPMenuItem(int)) );
vauto_id = vp_options-> < a href = "tqmenudata.html#insertItem" > insertItem< / a > ( "Vertical Auto" );
vaoff_id = vp_options-> < a href = "tqmenudata.html#insertItem" > insertItem< / a > ( "Vertical AlwaysOff" );
vaon_id = vp_options-> < a href = "tqmenudata.html#insertItem" > insertItem< / a > ( "Vertical AlwaysOn" );
< a name = "x635" > < / a > vp_options-> < a href = "tqmenudata.html#insertSeparator" > insertSeparator< / a > ();
hauto_id = vp_options-> < a href = "tqmenudata.html#insertItem" > insertItem< / a > ( "Horizontal Auto" );
haoff_id = vp_options-> < a href = "tqmenudata.html#insertItem" > insertItem< / a > ( "Horizontal AlwaysOff" );
haon_id = vp_options-> < a href = "tqmenudata.html#insertItem" > insertItem< / a > ( "Horizontal AlwaysOn" );
vp_options-> < a href = "tqmenudata.html#insertSeparator" > insertSeparator< / a > ();
corn_id = vp_options-> < a href = "tqmenudata.html#insertItem" > insertItem< / a > ( "cornerWidget" );
if (technique == 1) {
vp = new < a href = "tqscrollview.html" > TQScrollView< / a > (this);
< a name = "x655" > < / a > BigShrinker *bs = new BigShrinker(0);//(vp-> < a href = "tqscrollview.html#viewport" > viewport< / a > ());
< a name = "x645" > < / a > vp-> < a href = "tqscrollview.html#addChild" > addChild< / a > (bs);
< a name = "x659" > < / a > bs-> < a href = "tqwidget.html#setAcceptDrops" > setAcceptDrops< / a > (TRUE);
TQObject::< a href = "tqobject.html#connect" > connect< / a > (bs, TQ_SIGNAL(clicked(int,int)),
< a name = "x646" > < / a > vp, TQ_SLOT(< a href = "tqscrollview.html#center" > center< / a > (int,int)));
} else {
vp = new BigMatrix(this);
if ( technique == 3 )
< a name = "x648" > < / a > vp-> < a href = "tqscrollview.html#enableClipper" > enableClipper< / a > (TRUE);
srand(1);
for (int i=0; i< 30; i++) {
< a href = "tqmultilineedit.html" > TQMultiLineEdit< / a > *l = new < a href = "tqmultilineedit.html" > TQMultiLineEdit< / a > (vp-> < a href = "tqscrollview.html#viewport" > viewport< / a > (),"First");
l-> < a href = "tqtextedit.html#setText" > setText< / a > ("Drag out more of these.");
l-> < a href = "tqwidget.html#resize" > resize< / a > (100,100);
vp-> < a href = "tqscrollview.html#addChild" > addChild< / a > (l, rand()%800, rand()%10000);
}
vp-> < a href = "tqscrollview.html#viewport" > viewport< / a > ()-> setBackgroundMode(NoBackground);
}
f_options = new < a href = "tqpopupmenu.html" > TQPopupMenu< / a > ( menubar );
< a href = "tqapplication.html#TQ_CHECK_PTR" > TQ_CHECK_PTR< / a > ( f_options );
f_options-> < a href = "tqpopupmenu.html#setCheckable" > setCheckable< / a > ( TRUE );
menubar-> < a href = "tqmenudata.html#insertItem" > insertItem< / a > ( "F& rame", f_options );
connect( f_options, TQ_SIGNAL(< a href = "tqpopupmenu.html#activated" > activated< / a > (int)),
this, TQ_SLOT(doFMenuItem(int)) );
f_options-> < a href = "tqmenudata.html#insertItem" > insertItem< / a > ( "No Frame", style_id );
f_options-> < a href = "tqmenudata.html#insertItem" > insertItem< / a > ( "Box", style_id|TQFrame::Box );
f_options-> < a href = "tqmenudata.html#insertItem" > insertItem< / a > ( "Panel", style_id|TQFrame::Panel );
f_options-> < a href = "tqmenudata.html#insertItem" > insertItem< / a > ( "WinPanel", style_id|TQFrame::WinPanel );
f_options-> < a href = "tqmenudata.html#insertSeparator" > insertSeparator< / a > ();
f_options-> < a href = "tqmenudata.html#insertItem" > insertItem< / a > ( "Plain", style_id|TQFrame::Plain );
f_options-> < a href = "tqmenudata.html#insertItem" > insertItem< / a > ( "Raised", style_id|TQFrame::Raised );
< a name = "x633" > < / a > f_laststyle = f_options-> < a href = "tqmenudata.html#indexOf" > indexOf< / a > (
f_options-> < a href = "tqmenudata.html#insertItem" > insertItem< / a > ( "Sunken", style_id|TQFrame::Sunken ));
f_options-> < a href = "tqmenudata.html#insertSeparator" > insertSeparator< / a > ();
lw_options = new < a href = "tqpopupmenu.html" > TQPopupMenu< / a > ( menubar );
< a href = "tqapplication.html#TQ_CHECK_PTR" > TQ_CHECK_PTR< / a > ( lw_options );
lw_options-> < a href = "tqpopupmenu.html#setCheckable" > setCheckable< / a > ( TRUE );
for (int lw = 1; lw < = max_lw; lw++) {
< a href = "tqstring.html" > TQString< / a > str;
str.< a href = "tqstring.html#sprintf" > sprintf< / a > ("%d Pixels", lw);
lw_options-> < a href = "tqmenudata.html#insertItem" > insertItem< / a > ( str, lw_id | lw );
}
f_options-> < a href = "tqmenudata.html#insertItem" > insertItem< / a > ( "Line Width", lw_options );
connect( lw_options, TQ_SIGNAL(< a href = "tqpopupmenu.html#activated" > activated< / a > (int)),
this, TQ_SLOT(doFMenuItem(int)) );
mlw_options = new < a href = "tqpopupmenu.html" > TQPopupMenu< / a > ( menubar );
< a href = "tqapplication.html#TQ_CHECK_PTR" > TQ_CHECK_PTR< / a > ( mlw_options );
mlw_options-> < a href = "tqpopupmenu.html#setCheckable" > setCheckable< / a > ( TRUE );
for (int mlw = 0; mlw < = max_mlw; mlw++) {
< a href = "tqstring.html" > TQString< / a > str;
str.< a href = "tqstring.html#sprintf" > sprintf< / a > ("%d Pixels", mlw);
mlw_options-> < a href = "tqmenudata.html#insertItem" > insertItem< / a > ( str, mlw_id | mlw );
}
f_options-> < a href = "tqmenudata.html#insertItem" > insertItem< / a > ( "Midline Width", mlw_options );
connect( mlw_options, TQ_SIGNAL(< a href = "tqpopupmenu.html#activated" > activated< / a > (int)),
this, TQ_SLOT(doFMenuItem(int)) );
mw_options = new < a href = "tqpopupmenu.html" > TQPopupMenu< / a > ( menubar );
< a href = "tqapplication.html#TQ_CHECK_PTR" > TQ_CHECK_PTR< / a > ( mw_options );
mw_options-> < a href = "tqpopupmenu.html#setCheckable" > setCheckable< / a > ( TRUE );
for (int mw = 0; mw < = max_mw; mw++) {
< a href = "tqstring.html" > TQString< / a > str;
str.< a href = "tqstring.html#sprintf" > sprintf< / a > ("%d Pixels", mw);
mw_options-> < a href = "tqmenudata.html#insertItem" > insertItem< / a > ( str, mw_id | mw );
}
f_options-> < a href = "tqmenudata.html#insertItem" > insertItem< / a > ( "Margin Width", mw_options );
connect( mw_options, TQ_SIGNAL(< a href = "tqpopupmenu.html#activated" > activated< / a > (int)),
this, TQ_SLOT(doFMenuItem(int)) );
setVPMenuItems();
setFMenuItems();
< a href = "tqvboxlayout.html" > TQVBoxLayout< / a > * vbox = new < a href = "tqvboxlayout.html" > TQVBoxLayout< / a > (this);
< a name = "x631" > < / a > vbox-> < a href = "tqlayout.html#setMenuBar" > setMenuBar< / a > (menubar);
< a name = "x632" > < / a > menubar-> < a href = "tqmenubar.html#setSeparator" > setSeparator< / a > (TQMenuBar::InWindowsStyle);
vbox-> < a href = "tqboxlayout.html#addWidget" > addWidget< / a > (vp);
< a name = "x630" > < / a > vbox-> < a href = "tqlayout.html#activate" > activate< / a > ();
corner = new < a href = "tqsizegrip.html" > TQSizeGrip< / a > (this);
< a name = "x658" > < / a > corner-> < a href = "tqwidget.html#hide" > hide< / a > ();
}
private slots:
void doVPMenuItem(int id)
{
if (id == vauto_id ) {
< a name = "x653" > < / a > vp-> < a href = "tqscrollview.html#setVScrollBarMode" > setVScrollBarMode< / a > (TQScrollView::Auto);
} else if (id == vaoff_id) {
vp-> < a href = "tqscrollview.html#setVScrollBarMode" > setVScrollBarMode< / a > (TQScrollView::AlwaysOff);
} else if (id == vaon_id) {
vp-> < a href = "tqscrollview.html#setVScrollBarMode" > setVScrollBarMode< / a > (TQScrollView::AlwaysOn);
} else if (id == hauto_id) {
< a name = "x652" > < / a > vp-> < a href = "tqscrollview.html#setHScrollBarMode" > setHScrollBarMode< / a > (TQScrollView::Auto);
} else if (id == haoff_id) {
vp-> < a href = "tqscrollview.html#setHScrollBarMode" > setHScrollBarMode< / a > (TQScrollView::AlwaysOff);
} else if (id == haon_id) {
vp-> < a href = "tqscrollview.html#setHScrollBarMode" > setHScrollBarMode< / a > (TQScrollView::AlwaysOn);
} else if (id == corn_id) {
< a name = "x647" > < / a > bool corn = !vp-> < a href = "tqscrollview.html#cornerWidget" > cornerWidget< / a > ();
< a name = "x651" > < / a > vp-> < a href = "tqscrollview.html#setCornerWidget" > setCornerWidget< / a > (corn ? corner : 0);
} else {
return; // Not for us to process.
}
setVPMenuItems();
}
void setVPMenuItems()
{
< a name = "x654" > < / a > TQScrollView::ScrollBarMode vm = vp-> < a href = "tqscrollview.html#vScrollBarMode" > vScrollBarMode< / a > ();
< a name = "x636" > < / a > vp_options-> < a href = "tqmenudata.html#setItemChecked" > setItemChecked< / a > ( vauto_id, vm == TQScrollView::Auto );
vp_options-> < a href = "tqmenudata.html#setItemChecked" > setItemChecked< / a > ( vaoff_id, vm == TQScrollView::AlwaysOff );
vp_options-> < a href = "tqmenudata.html#setItemChecked" > setItemChecked< / a > ( vaon_id, vm == TQScrollView::AlwaysOn );
< a name = "x649" > < / a > TQScrollView::ScrollBarMode hm = vp-> < a href = "tqscrollview.html#hScrollBarMode" > hScrollBarMode< / a > ();
vp_options-> < a href = "tqmenudata.html#setItemChecked" > setItemChecked< / a > ( hauto_id, hm == TQScrollView::Auto );
vp_options-> < a href = "tqmenudata.html#setItemChecked" > setItemChecked< / a > ( haoff_id, hm == TQScrollView::AlwaysOff );
vp_options-> < a href = "tqmenudata.html#setItemChecked" > setItemChecked< / a > ( haon_id, hm == TQScrollView::AlwaysOn );
vp_options-> < a href = "tqmenudata.html#setItemChecked" > setItemChecked< / a > ( corn_id, !!vp-> < a href = "tqscrollview.html#cornerWidget" > cornerWidget< / a > () );
}
void doFMenuItem(int id)
{
if (id & style_id) {
int sty;
if (id == style_id) {
sty = 0;
} else if (id & TQFrame::MShape) {
< a name = "x622" > < / a > sty = vp-> < a href = "tqframe.html#frameStyle" > frameStyle< / a > ()& TQFrame::MShadow;
sty = (sty ? sty : < a href = "tqframe.html" > TQFrame< / a > ::Plain) | (id& TQFrame::MShape);
} else {
sty = vp-> < a href = "tqframe.html#frameStyle" > frameStyle< / a > ()& TQFrame::MShape;
sty = (sty ? sty : < a href = "tqframe.html" > TQFrame< / a > ::Box) | (id& TQFrame::MShadow);
}
< a name = "x626" > < / a > vp-> < a href = "tqframe.html#setFrameStyle" > setFrameStyle< / a > (sty);
} else if (id & lw_id) {
< a name = "x627" > < / a > vp-> < a href = "tqframe.html#setLineWidth" > setLineWidth< / a > (id& ~lw_id);
} else if (id & mlw_id) {
< a name = "x629" > < / a > vp-> < a href = "tqframe.html#setMidLineWidth" > setMidLineWidth< / a > (id& ~mlw_id);
} else {
< a name = "x628" > < / a > vp-> < a href = "tqframe.html#setMargin" > setMargin< / a > (id& ~mw_id);
}
< a name = "x662" > < / a > vp-> < a href = "tqwidget.html#update" > update< / a > ();
setFMenuItems();
}
void setFMenuItems()
{
int sty = vp-> < a href = "tqframe.html#frameStyle" > frameStyle< / a > ();
f_options-> < a href = "tqmenudata.html#setItemChecked" > setItemChecked< / a > ( style_id, !sty );
for (int i=1; i < = f_laststyle; i++) {
< a name = "x643" > < / a > int id = f_options-> < a href = "tqpopupmenu.html#idAt" > idAt< / a > (i);
if (id & TQFrame::MShape)
f_options-> < a href = "tqmenudata.html#setItemChecked" > setItemChecked< / a > ( id,
((id& TQFrame::MShape) == (sty& TQFrame::MShape)) );
else
f_options-> < a href = "tqmenudata.html#setItemChecked" > setItemChecked< / a > ( id,
((id& TQFrame::MShadow) == (sty& TQFrame::MShadow)) );
}
for (int lw=1; lw< =max_lw; lw++)
< a name = "x623" > < / a > lw_options-> < a href = "tqmenudata.html#setItemChecked" > setItemChecked< / a > ( lw_id|lw, vp-> < a href = "tqframe.html#lineWidth" > lineWidth< / a > () == lw );
for (int mlw=0; mlw< =max_mlw; mlw++)
< a name = "x625" > < / a > mlw_options-> < a href = "tqmenudata.html#setItemChecked" > setItemChecked< / a > ( mlw_id|mlw, vp-> < a href = "tqframe.html#midLineWidth" > midLineWidth< / a > () == mlw );
for (int mw=0; mw< =max_mw; mw++)
< a name = "x624" > < / a > mw_options-> < a href = "tqmenudata.html#setItemChecked" > setItemChecked< / a > ( mw_id|mw, vp-> < a href = "tqframe.html#margin" > margin< / a > () == mw );
}
private:
< a href = "tqscrollview.html" > TQScrollView< / a > * vp;
< a href = "tqpopupmenu.html" > TQPopupMenu< / a > * vp_options;
< a href = "tqpopupmenu.html" > TQPopupMenu< / a > * f_options;
< a href = "tqpopupmenu.html" > TQPopupMenu< / a > * lw_options;
< a href = "tqpopupmenu.html" > TQPopupMenu< / a > * mlw_options;
< a href = "tqpopupmenu.html" > TQPopupMenu< / a > * mw_options;
< a href = "tqsizegrip.html" > TQSizeGrip< / a > * corner;
int vauto_id, vaoff_id, vaon_id,
hauto_id, haoff_id, haon_id,
corn_id;
int f_laststyle;
};
int main( int argc, char **argv )
{
< a href = "tqapplication.html" > TQApplication< / a > a( argc, argv );
ScrollViewExample ve1(1,0,"ve1");
ScrollViewExample ve2(2,0,"ve2");
ScrollViewExample ve3(3,0,"ve3");
ve1.< a href = "tqwidget.html#setCaption" > setCaption< / a > ("TQt Example - Scrollviews");
ve1.< a href = "tqwidget.html#show" > show< / a > ();
ve2.< a href = "tqwidget.html#setCaption" > setCaption< / a > ("TQt Example - Scrollviews");
ve2.< a href = "tqwidget.html#show" > show< / a > ();
ve3.< a href = "tqwidget.html#setCaption" > setCaption< / a > ("TQt Example - Scrollviews");
ve3.< a href = "tqwidget.html#show" > show< / a > ();
TQObject::< a href = "tqobject.html#connect" > connect< / a > (tqApp, TQ_SIGNAL(< a href = "tqapplication.html#lastWindowClosed" > lastWindowClosed< / a > ()), tqApp, TQ_SLOT(< a href = "tqapplication.html#quit" > quit< / a > ()));
return a.< a href = "tqapplication.html#exec" > exec< / a > ();
}
#include "scrollview.moc"
< / pre >
< p > See also < a href = "examples.html" > Examples< / a > .
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< a href = "troll.html" > Trolltech< / a > < td align = center > < a href = "trademarks.html" > Trademarks< / a >
< td align = right > < div align = right > TQt 3.3.8< / div >
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