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/****************************************************************************
** $Id: qt/tqdir.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 "../dirview/dirview.h"
#include "tqdir.h"
#include <ntqapplication.h>
#include <tqtextview.h>
#include <tqfileinfo.h>
#include <tqfile.h>
#include <tqtextstream.h>
#include <ntqhbox.h>
#include <tqspinbox.h>
#include <tqlabel.h>
#include <tqmultilineedit.h>
#include <tqheader.h>
#include <tqevent.h>
#include <tqpainter.h>
#include <tqpopupmenu.h>
#include <tqpushbutton.h>
#include <tqtoolbutton.h>
#include <tqfile.h>
#include <tqtextstream.h>
#include <tqtooltip.h>
#include <stdlib.h>
/* XPM */
static const char *bookmarks[]={
"22 14 8 1",
"# c #000080",
"a c #585858",
"b c #000000",
"c c #ffffff",
"d c #ffffff",
"e c #ffffff",
"f c #000000",
". c None",
"...bb.................",
"..bacb....bbb.........",
"..badcb.bbccbab.......",
"..bacccbadccbab.......",
"..baecdbcccdbab.......",
"..bacccbacccbab.......",
"..badcdbcecdfab.......",
"..bacecbacccbab.......",
"..baccdbcccdbab.......",
"...badcbacdbbab.......",
"....bacbcbbccab.......",
".....babbaaaaab.......",
".....bbabbbbbbb.......",
"......bb.............."
};
/* XPM */
static const char *home[]={
"16 15 4 1",
"# c #000000",
"a c #ffffff",
"b c #c0c0c0",
". c None",
".......##.......",
"..#...####......",
"..#..#aabb#.....",
"..#.#aaaabb#....",
"..##aaaaaabb#...",
"..#aaaaaaaabb#..",
".#aaaaaaaaabbb#.",
"###aaaaaaaabb###",
"..#aaaaaaaabb#..",
"..#aaa###aabb#..",
"..#aaa#.#aabb#..",
"..#aaa#.#aabb#..",
"..#aaa#.#aabb#..",
"..#aaa#.#aabb#..",
"..#####.######.."
};
// ****************************************************************************************************
PixmapView::PixmapView( TQWidget *parent )
: TQScrollView( parent )
{
viewport()->setBackgroundMode( PaletteBase );
}
void PixmapView::setPixmap( const TQPixmap &pix )
{
pixmap = pix;
resizeContents( pixmap.size().width(), pixmap.size().height() );
viewport()->repaint( FALSE );
}
void PixmapView::drawContents( TQPainter *p, int cx, int cy, int cw, int ch )
{
p->fillRect( cx, cy, cw, ch, colorGroup().brush( TQColorGroup::Base ) );
p->drawPixmap( 0, 0, pixmap );
}
// ****************************************************************************************************
Preview::Preview( TQWidget *parent )
: TQWidgetStack( parent )
{
normalText = new TQMultiLineEdit( this );
normalText->setReadOnly( TRUE );
html = new TQTextView( this );
pixmap = new PixmapView( this );
raiseWidget( normalText );
}
void Preview::showPreview( const TQUrl &u, int size )
{
if ( u.isLocalFile() ) {
TQString path = u.path();
TQFileInfo fi( path );
if ( fi.isFile() && (int)fi.size() > size * 1000 ) {
normalText->setText( tr( "The File\n%1\nis too large, so I don't show it!" ).arg( path ) );
raiseWidget( normalText );
return;
}
TQPixmap pix( path );
if ( pix.isNull() ) {
if ( fi.isFile() ) {
TQFile f( path );
if ( f.open( IO_ReadOnly ) ) {
TQTextStream ts( &f );
TQString text = ts.read();
f.close();
if ( fi.extension().lower().contains( "htm" ) ) {
TQString url = html->mimeSourceFactory()->makeAbsolute( path, html->context() );
html->setText( text, url );
raiseWidget( html );
return;
} else {
normalText->setText( text );
raiseWidget( normalText );
return;
}
}
}
normalText->setText( TQString::null );
raiseWidget( normalText );
} else {
pixmap->setPixmap( pix );
raiseWidget( pixmap );
}
} else {
normalText->setText( "I only show local files!" );
raiseWidget( normalText );
}
}
// ****************************************************************************************************
PreviewWidget::PreviewWidget( TQWidget *parent )
: TQVBox( parent ), TQFilePreview()
{
setSpacing( 5 );
setMargin( 5 );
TQHBox *row = new TQHBox( this );
row->setSpacing( 5 );
(void)new TQLabel( tr( "Only show files smaller than: " ), row );
sizeSpinBox = new TQSpinBox( 1, 10000, 1, row );
sizeSpinBox->setSuffix( " KB" );
sizeSpinBox->setValue( 64 );
row->setFixedHeight( 10 + sizeSpinBox->sizeHint().height() );
preview = new Preview( this );
}
void PreviewWidget::previewUrl( const TQUrl &u )
{
preview->showPreview( u, sizeSpinBox->value() );
}
// ****************************************************************************************************
CustomFileDialog::CustomFileDialog()
: TQFileDialog( 0, 0, TRUE )
{
setDir( "/" );
dirView = new DirectoryView( this, 0, TRUE );
dirView->addColumn( "" );
dirView->header()->hide();
::Directory *root = new ::Directory( dirView, "/" );
root->setOpen( TRUE );
dirView->setFixedWidth( 150 );
addLeftWidget( dirView );
TQPushButton *p = new TQPushButton( this );
p->setPixmap( TQPixmap( bookmarks ) );
TQToolTip::add( p, tr( "Bookmarks" ) );
bookmarkMenu = new TQPopupMenu( this );
connect( bookmarkMenu, TQ_SIGNAL( activated( int ) ),
this, TQ_SLOT( bookmarkChosen( int ) ) );
addId = bookmarkMenu->insertItem( tr( "Add bookmark" ) );
bookmarkMenu->insertSeparator();
TQFile f( ".bookmarks" );
if ( f.open( IO_ReadOnly ) ) {
TQDataStream ds( &f );
ds >> bookmarkList;
f.close();
TQStringList::Iterator it = bookmarkList.begin();
for ( ; it != bookmarkList.end(); ++it ) {
bookmarkMenu->insertItem( *it );
}
}
p->setPopup( bookmarkMenu );
addToolButton( p, TRUE );
connect( dirView, TQ_SIGNAL( folderSelected( const TQString & ) ),
this, TQ_SLOT( setDir2( const TQString & ) ) );
connect( this, TQ_SIGNAL( dirEntered( const TQString & ) ),
dirView, TQ_SLOT( setDir( const TQString & ) ) );
TQToolButton *b = new TQToolButton( this );
TQToolTip::add( b, tr( "Go Home!" ) );
b->setPixmap( TQPixmap( home ) );
connect( b, TQ_SIGNAL( clicked() ),
this, TQ_SLOT( goHome() ) );
addToolButton( b );
resize( width() + width() / 3, height() );
}
CustomFileDialog::~CustomFileDialog()
{
if ( !bookmarkList.isEmpty() ) {
TQFile f( ".bookmarks" );
if ( f.open( IO_WriteOnly ) ) {
TQDataStream ds( &f );
ds << bookmarkList;
f.close();
}
}
}
void CustomFileDialog::setDir2( const TQString &s )
{
blockSignals( TRUE );
setDir( s );
blockSignals( FALSE );
}
void CustomFileDialog::showEvent( TQShowEvent *e )
{
TQFileDialog::showEvent( e );
dirView->setDir( dirPath() );
}
void CustomFileDialog::bookmarkChosen( int i )
{
if ( i == addId ) {
bookmarkList << dirPath();
bookmarkMenu->insertItem( dirPath() );
} else {
setDir( bookmarkMenu->text( i ) );
}
}
void CustomFileDialog::goHome()
{
if ( getenv( "HOME" ) )
setDir( getenv( "HOME" ) );
else
setDir( "/" );
}
// ****************************************************************************************************
int main( int argc, char ** argv )
{
TQFileDialog::Mode mode = TQFileDialog::ExistingFile;
TQString start;
TQString filter;
TQString caption;
bool preview = FALSE;
bool custom = FALSE;
TQApplication a( argc, argv );
for (int i=1; i<argc; i++) {
TQString arg = argv[i];
if ( arg == "-any" )
mode = TQFileDialog::AnyFile;
else if ( arg == "-dir" )
mode = TQFileDialog::Directory;
else if ( arg == "-default" )
start = argv[++i];
else if ( arg == "-filter" )
filter = argv[++i];
else if ( arg == "-preview" )
preview = TRUE;
else if ( arg == "-custom" )
custom = TRUE;
else if ( arg[0] == '-' ) {
tqDebug("Usage: tqdir [-any | -dir | -custom] [-preview] [-default f] {-filter f} [caption ...]\n"
" -any Get any filename, need not exist.\n"
" -dir Return a directory rather than a file.\n"
" -custom Opens a customized TQFileDialog with \n"
" dir browser, bookmark menu, etc.\n"
" -preview Show a preview widget.\n"
" -default f Start from directory/file f.\n"
" -filter f eg. '*.gif' '*.bmp'\n"
" caption ... Caption for dialog.\n"
);
return 1;
} else {
if ( !caption.isNull() )
caption += ' ';
caption += arg;
}
}
if ( !start )
start = TQDir::currentDirPath();
if ( !caption )
caption = mode == TQFileDialog::Directory
? "Choose directory..." : "Choose file...";
if ( !custom ) {
TQFileDialog fd( TQString::null, filter, 0, 0, TRUE );
fd.setMode( mode );
if ( preview ) {
fd.setContentsPreviewEnabled( TRUE );
PreviewWidget *pw = new PreviewWidget( &fd );
fd.setContentsPreview( pw, pw );
fd.setViewMode( TQFileDialog::List );
fd.setPreviewMode( TQFileDialog::Contents );
}
fd.setCaption( caption );
fd.setSelection( start );
if ( fd.exec() == TQDialog::Accepted ) {
TQString result = fd.selectedFile();
printf("%s\n", (const char*)result);
return 0;
} else {
return 1;
}
} else {
CustomFileDialog fd;
fd.exec();
return 1;
}
}
See also Examples.
| Copyright © 2007 Trolltech | Trademarks | TQt 3.3.8
|