You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
442 lines
12 KiB
442 lines
12 KiB
/****************************************************************************
|
|
**
|
|
** Copyright (C) 1992-2008 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 <ntqscrollview.h>
|
|
#include <ntqapplication.h>
|
|
#include <tqmenubar.h>
|
|
#include <tqpopupmenu.h>
|
|
#include <ntqpushbutton.h>
|
|
#include <ntqpainter.h>
|
|
#include <ntqpixmap.h>
|
|
#include <ntqmessagebox.h>
|
|
#include <ntqlayout.h>
|
|
#include <ntqlabel.h>
|
|
#include <ntqmultilineedit.h>
|
|
#include <tqsizegrip.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 TQFrame {
|
|
TQ_OBJECT
|
|
public:
|
|
BigShrinker(TQWidget* parent) :
|
|
TQFrame(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) {
|
|
TQButton* q=new TQPushButton("Quit", this);
|
|
connect(q, TQ_SIGNAL(clicked()), tqApp, TQ_SLOT(quit()));
|
|
} else {
|
|
TQString str;
|
|
if ( b > 0 ) {
|
|
str.sprintf("Button %d", b++);
|
|
} else {
|
|
str = "I'm shrinking!";
|
|
++b;
|
|
}
|
|
(new TQPushButton(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 TQScrollView {
|
|
TQMultiLineEdit *dragging;
|
|
public:
|
|
BigMatrix(TQWidget* parent) :
|
|
TQScrollView(parent,"matrix", WStaticContents),
|
|
bg("bg.ppm")
|
|
{
|
|
bg.load("bg.ppm");
|
|
resizeContents(400000,300000);
|
|
|
|
dragging = 0;
|
|
}
|
|
|
|
void viewportMousePressEvent(TQMouseEvent* e)
|
|
{
|
|
int x, y;
|
|
viewportToContents( e->x(), e->y(), x, y );
|
|
dragging = new TQMultiLineEdit(viewport(),"Another");
|
|
dragging->setText("Thanks!");
|
|
dragging->resize(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;
|
|
TQString msg;
|
|
msg.sprintf("at (%d,%d) %d by %d",cx,cy,w,h);
|
|
dragging->setText(msg);
|
|
dragging->resize(w,h);
|
|
}
|
|
}
|
|
|
|
protected:
|
|
void drawContents(TQPainter* 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, TQColor(240,222,208));
|
|
}
|
|
|
|
// The Numbers
|
|
{
|
|
TQFontMetrics 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;
|
|
TQString 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(TQFont("Charter",30));
|
|
p->setPen(red);
|
|
TQString 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(TQFont("Charter",100));
|
|
p->setPen(blue);
|
|
p->drawText(215000-500,115000-100,1000,200,AlignCenter,"YOU WIN!!!!!");
|
|
}
|
|
}
|
|
}
|
|
|
|
private:
|
|
TQPixmap bg;
|
|
};
|
|
|
|
class ScrollViewExample : public TQWidget {
|
|
TQ_OBJECT
|
|
|
|
public:
|
|
ScrollViewExample(int technique, TQWidget* parent=0, const char* name=0) :
|
|
TQWidget(parent,name)
|
|
{
|
|
TQMenuBar* menubar = new TQMenuBar(this);
|
|
TQ_CHECK_PTR( menubar );
|
|
|
|
TQPopupMenu* file = new TQPopupMenu( menubar );
|
|
TQ_CHECK_PTR( file );
|
|
menubar->insertItem( "&File", file );
|
|
file->insertItem( "Quit", tqApp, TQ_SLOT(quit()) );
|
|
|
|
vp_options = new TQPopupMenu( menubar );
|
|
TQ_CHECK_PTR( vp_options );
|
|
vp_options->setCheckable( TRUE );
|
|
menubar->insertItem( "&ScrollView", vp_options );
|
|
connect( vp_options, TQ_SIGNAL(activated(int)),
|
|
this, TQ_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 TQScrollView(this);
|
|
BigShrinker *bs = new BigShrinker(0);//(vp->viewport());
|
|
vp->addChild(bs);
|
|
bs->setAcceptDrops(TRUE);
|
|
TQObject::connect(bs, TQ_SIGNAL(clicked(int,int)),
|
|
vp, TQ_SLOT(center(int,int)));
|
|
} else {
|
|
vp = new BigMatrix(this);
|
|
if ( technique == 3 )
|
|
vp->enableClipper(TRUE);
|
|
srand(1);
|
|
for (int i=0; i<30; i++) {
|
|
TQMultiLineEdit *l = new TQMultiLineEdit(vp->viewport(),"First");
|
|
l->setText("Drag out more of these.");
|
|
l->resize(100,100);
|
|
vp->addChild(l, rand()%800, rand()%10000);
|
|
}
|
|
vp->viewport()->setBackgroundMode(NoBackground);
|
|
}
|
|
|
|
f_options = new TQPopupMenu( menubar );
|
|
TQ_CHECK_PTR( f_options );
|
|
f_options->setCheckable( TRUE );
|
|
menubar->insertItem( "F&rame", f_options );
|
|
connect( f_options, TQ_SIGNAL(activated(int)),
|
|
this, TQ_SLOT(doFMenuItem(int)) );
|
|
|
|
f_options->insertItem( "No Frame", style_id );
|
|
f_options->insertItem( "Box", style_id|TQFrame::Box );
|
|
f_options->insertItem( "Panel", style_id|TQFrame::Panel );
|
|
f_options->insertItem( "WinPanel", style_id|TQFrame::WinPanel );
|
|
f_options->insertSeparator();
|
|
f_options->insertItem( "Plain", style_id|TQFrame::Plain );
|
|
f_options->insertItem( "Raised", style_id|TQFrame::Raised );
|
|
f_laststyle = f_options->indexOf(
|
|
f_options->insertItem( "Sunken", style_id|TQFrame::Sunken ));
|
|
f_options->insertSeparator();
|
|
lw_options = new TQPopupMenu( menubar );
|
|
TQ_CHECK_PTR( lw_options );
|
|
lw_options->setCheckable( TRUE );
|
|
for (int lw = 1; lw <= max_lw; lw++) {
|
|
TQString str;
|
|
str.sprintf("%d Pixels", lw);
|
|
lw_options->insertItem( str, lw_id | lw );
|
|
}
|
|
f_options->insertItem( "Line Width", lw_options );
|
|
connect( lw_options, TQ_SIGNAL(activated(int)),
|
|
this, TQ_SLOT(doFMenuItem(int)) );
|
|
mlw_options = new TQPopupMenu( menubar );
|
|
TQ_CHECK_PTR( mlw_options );
|
|
mlw_options->setCheckable( TRUE );
|
|
for (int mlw = 0; mlw <= max_mlw; mlw++) {
|
|
TQString str;
|
|
str.sprintf("%d Pixels", mlw);
|
|
mlw_options->insertItem( str, mlw_id | mlw );
|
|
}
|
|
f_options->insertItem( "Midline Width", mlw_options );
|
|
connect( mlw_options, TQ_SIGNAL(activated(int)),
|
|
this, TQ_SLOT(doFMenuItem(int)) );
|
|
mw_options = new TQPopupMenu( menubar );
|
|
TQ_CHECK_PTR( mw_options );
|
|
mw_options->setCheckable( TRUE );
|
|
for (int mw = 0; mw <= max_mw; mw++) {
|
|
TQString str;
|
|
str.sprintf("%d Pixels", mw);
|
|
mw_options->insertItem( str, mw_id | mw );
|
|
}
|
|
f_options->insertItem( "Margin Width", mw_options );
|
|
connect( mw_options, TQ_SIGNAL(activated(int)),
|
|
this, TQ_SLOT(doFMenuItem(int)) );
|
|
|
|
setVPMenuItems();
|
|
setFMenuItems();
|
|
|
|
TQVBoxLayout* vbox = new TQVBoxLayout(this);
|
|
vbox->setMenuBar(menubar);
|
|
menubar->setSeparator(TQMenuBar::InWindowsStyle);
|
|
vbox->addWidget(vp);
|
|
vbox->activate();
|
|
|
|
corner = new TQSizeGrip(this);
|
|
corner->hide();
|
|
}
|
|
|
|
private slots:
|
|
void doVPMenuItem(int id)
|
|
{
|
|
if (id == vauto_id ) {
|
|
vp->setVScrollBarMode(TQScrollView::Auto);
|
|
} else if (id == vaoff_id) {
|
|
vp->setVScrollBarMode(TQScrollView::AlwaysOff);
|
|
} else if (id == vaon_id) {
|
|
vp->setVScrollBarMode(TQScrollView::AlwaysOn);
|
|
} else if (id == hauto_id) {
|
|
vp->setHScrollBarMode(TQScrollView::Auto);
|
|
} else if (id == haoff_id) {
|
|
vp->setHScrollBarMode(TQScrollView::AlwaysOff);
|
|
} else if (id == haon_id) {
|
|
vp->setHScrollBarMode(TQScrollView::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()
|
|
{
|
|
TQScrollView::ScrollBarMode vm = vp->vScrollBarMode();
|
|
vp_options->setItemChecked( vauto_id, vm == TQScrollView::Auto );
|
|
vp_options->setItemChecked( vaoff_id, vm == TQScrollView::AlwaysOff );
|
|
vp_options->setItemChecked( vaon_id, vm == TQScrollView::AlwaysOn );
|
|
|
|
TQScrollView::ScrollBarMode hm = vp->hScrollBarMode();
|
|
vp_options->setItemChecked( hauto_id, hm == TQScrollView::Auto );
|
|
vp_options->setItemChecked( haoff_id, hm == TQScrollView::AlwaysOff );
|
|
vp_options->setItemChecked( haon_id, hm == TQScrollView::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 & TQFrame::MShape) {
|
|
sty = vp->frameStyle()&TQFrame::MShadow;
|
|
sty = (sty ? sty : TQFrame::Plain) | (id&TQFrame::MShape);
|
|
} else {
|
|
sty = vp->frameStyle()&TQFrame::MShape;
|
|
sty = (sty ? sty : TQFrame::Box) | (id&TQFrame::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 & TQFrame::MShape)
|
|
f_options->setItemChecked( id,
|
|
((id&TQFrame::MShape) == (sty&TQFrame::MShape)) );
|
|
else
|
|
f_options->setItemChecked( id,
|
|
((id&TQFrame::MShadow) == (sty&TQFrame::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:
|
|
TQScrollView* vp;
|
|
TQPopupMenu* vp_options;
|
|
TQPopupMenu* f_options;
|
|
TQPopupMenu* lw_options;
|
|
TQPopupMenu* mlw_options;
|
|
TQPopupMenu* mw_options;
|
|
TQSizeGrip* 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 )
|
|
{
|
|
TQApplication a( argc, argv );
|
|
|
|
ScrollViewExample ve1(1,0,"ve1");
|
|
ScrollViewExample ve2(2,0,"ve2");
|
|
ScrollViewExample ve3(3,0,"ve3");
|
|
ve1.setCaption("TQt Example - Scrollviews");
|
|
ve1.show();
|
|
ve2.setCaption("TQt Example - Scrollviews");
|
|
ve2.show();
|
|
ve3.setCaption("TQt Example - Scrollviews");
|
|
ve3.show();
|
|
|
|
TQObject::connect(tqApp, TQ_SIGNAL(lastWindowClosed()), tqApp, TQ_SLOT(quit()));
|
|
|
|
return a.exec();
|
|
}
|
|
|
|
#include "scrollview.moc"
|