From bd0f3345a938b35ce6a12f6150373b0955b8dd12 Mon Sep 17 00:00:00 2001
From: Timothy Pearson <kb9vqf@pearsoncomputing.net>
Date: Sun, 10 Jul 2011 15:24:15 -0500
Subject: Add Qt3 development HEAD version

---
 examples/qdir/qdir.cpp | 359 +++++++++++++++++++++++++++++++++++++++++++++++++
 examples/qdir/qdir.doc |  15 +++
 examples/qdir/qdir.h   |  98 ++++++++++++++
 examples/qdir/qdir.pro |  10 ++
 4 files changed, 482 insertions(+)
 create mode 100644 examples/qdir/qdir.cpp
 create mode 100644 examples/qdir/qdir.doc
 create mode 100644 examples/qdir/qdir.h
 create mode 100644 examples/qdir/qdir.pro

(limited to 'examples/qdir')

diff --git a/examples/qdir/qdir.cpp b/examples/qdir/qdir.cpp
new file mode 100644
index 0000000..346c3ed
--- /dev/null
+++ b/examples/qdir/qdir.cpp
@@ -0,0 +1,359 @@
+/****************************************************************************
+**
+** Copyright (C) 1992-2008 Trolltech ASA.  All rights reserved.
+**
+** This file is part of an example program for Qt.  This example
+** program may be used, distributed and modified without limitation.
+**
+*****************************************************************************/
+
+#include "../dirview/dirview.h"
+#include "qdir.h"
+
+#include <qapplication.h>
+#include <qtextview.h>
+#include <qfileinfo.h>
+#include <qfile.h>
+#include <qtextstream.h>
+#include <qhbox.h>
+#include <qspinbox.h>
+#include <qlabel.h>
+#include <qmultilineedit.h>
+#include <qheader.h>
+#include <qevent.h>
+#include <qpainter.h>
+#include <qpopupmenu.h>
+#include <qpushbutton.h>
+#include <qtoolbutton.h>
+#include <qfile.h>
+#include <qtextstream.h>
+#include <qtooltip.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( QWidget *parent )
+    : QScrollView( parent )
+{
+    viewport()->setBackgroundMode( PaletteBase );
+}
+
+void PixmapView::setPixmap( const QPixmap &pix )
+{
+    pixmap = pix;
+    resizeContents( pixmap.size().width(), pixmap.size().height() );
+    viewport()->repaint( FALSE );
+}
+
+void PixmapView::drawContents( QPainter *p, int cx, int cy, int cw, int ch )
+{
+    p->fillRect( cx, cy, cw, ch, colorGroup().brush( QColorGroup::Base ) );
+    p->drawPixmap( 0, 0, pixmap );
+}
+
+// ****************************************************************************************************
+
+Preview::Preview( QWidget *parent )
+    : QWidgetStack( parent )
+{
+    normalText = new QMultiLineEdit( this );
+    normalText->setReadOnly( TRUE );
+    html = new QTextView( this );
+    pixmap = new PixmapView( this );
+    raiseWidget( normalText );
+}
+
+void Preview::showPreview( const QUrl &u, int size )
+{
+    if ( u.isLocalFile() ) {
+	QString path = u.path();
+	QFileInfo 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;
+	}
+	
+	QPixmap pix( path );
+	if ( pix.isNull() ) {
+	    if ( fi.isFile() ) {
+		QFile f( path );
+		if ( f.open( IO_ReadOnly ) ) {
+		    QTextStream ts( &f );
+		    QString text = ts.read();
+		    f.close();
+		    if ( fi.extension().lower().contains( "htm" ) ) {
+			QString url = html->mimeSourceFactory()->makeAbsolute( path, html->context() );
+			html->setText( text, url ); 	
+			raiseWidget( html );
+			return;
+		    } else {
+			normalText->setText( text ); 	
+			raiseWidget( normalText );
+			return;
+		    }
+		}
+	    }
+	    normalText->setText( QString::null );
+	    raiseWidget( normalText );
+	} else {
+	    pixmap->setPixmap( pix );
+	    raiseWidget( pixmap );
+	}
+    } else {
+	normalText->setText( "I only show local files!" );
+	raiseWidget( normalText );
+    }
+}
+
+// ****************************************************************************************************
+
+PreviewWidget::PreviewWidget( QWidget *parent )
+    : QVBox( parent ), QFilePreview()
+{
+    setSpacing( 5 );
+    setMargin( 5 );
+    QHBox *row = new QHBox( this );
+    row->setSpacing( 5 );
+    (void)new QLabel( tr( "Only show files smaller than: " ), row );
+    sizeSpinBox = new QSpinBox( 1, 10000, 1, row );
+    sizeSpinBox->setSuffix( " KB" );
+    sizeSpinBox->setValue( 64 );
+    row->setFixedHeight( 10 + sizeSpinBox->sizeHint().height() );
+    preview = new Preview( this );
+}
+
+void PreviewWidget::previewUrl( const QUrl &u )
+{
+    preview->showPreview( u, sizeSpinBox->value() );
+}
+
+// ****************************************************************************************************
+
+CustomFileDialog::CustomFileDialog()
+    :  QFileDialog( 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 );
+
+    QPushButton *p = new QPushButton( this );
+    p->setPixmap( QPixmap( bookmarks ) );
+    QToolTip::add( p, tr( "Bookmarks" ) );
+
+    bookmarkMenu = new QPopupMenu( this );
+    connect( bookmarkMenu, SIGNAL( activated( int ) ),
+	     this, SLOT( bookmarkChosen( int ) ) );
+    addId = bookmarkMenu->insertItem( tr( "Add bookmark" ) );
+    bookmarkMenu->insertSeparator();
+
+    QFile f( ".bookmarks" );
+    if ( f.open( IO_ReadOnly ) ) {
+	QDataStream ds( &f );
+	ds >> bookmarkList;
+	f.close();
+	
+	QStringList::Iterator it = bookmarkList.begin();
+	for ( ; it != bookmarkList.end(); ++it ) {
+	    bookmarkMenu->insertItem( *it );
+	}
+    }
+	
+    p->setPopup( bookmarkMenu );
+
+    addToolButton( p, TRUE );
+
+    connect( dirView, SIGNAL( folderSelected( const QString & ) ),
+	     this, SLOT( setDir2( const QString & ) ) );
+    connect( this, SIGNAL( dirEntered( const QString & ) ),
+	     dirView, SLOT( setDir( const QString & ) ) );
+
+    QToolButton *b = new QToolButton( this );
+    QToolTip::add( b, tr( "Go Home!" ) );
+    b->setPixmap( QPixmap( home ) );
+    connect( b, SIGNAL( clicked() ),
+	     this, SLOT( goHome() ) );
+
+    addToolButton( b );
+
+    resize( width() + width() / 3, height() );
+}
+
+CustomFileDialog::~CustomFileDialog()
+{
+    if ( !bookmarkList.isEmpty() ) {
+	QFile f( ".bookmarks" );
+	if ( f.open( IO_WriteOnly ) ) {
+	    QDataStream ds( &f );
+	    ds << bookmarkList;
+	    f.close();
+	}
+    }
+}
+
+void CustomFileDialog::setDir2( const QString &s )
+{
+    blockSignals( TRUE );
+    setDir( s );
+    blockSignals( FALSE );
+}
+
+void CustomFileDialog::showEvent( QShowEvent *e )
+{
+    QFileDialog::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 )
+{
+    QFileDialog::Mode mode = QFileDialog::ExistingFile;
+    QString start;
+    QString filter;
+    QString caption;
+    bool preview = FALSE;
+    bool custom = FALSE;
+    QApplication a( argc, argv );
+    for (int i=1; i<argc; i++) {
+	QString arg = argv[i];
+	if ( arg == "-any" )
+	    mode = QFileDialog::AnyFile;
+	else if ( arg == "-dir" )
+	    mode = QFileDialog::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] == '-' ) {
+	    qDebug("Usage: qdir [-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 QFileDialog 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 = QDir::currentDirPath();
+
+    if ( !caption )
+	caption = mode == QFileDialog::Directory
+		    ? "Choose directory..." : "Choose file...";
+
+    if ( !custom ) {
+	QFileDialog fd( QString::null, filter, 0, 0, TRUE );
+	fd.setMode( mode );
+	if ( preview ) {
+	    fd.setContentsPreviewEnabled( TRUE );
+	    PreviewWidget *pw = new PreviewWidget( &fd );
+	    fd.setContentsPreview( pw, pw );
+	    fd.setViewMode( QFileDialog::List );
+	    fd.setPreviewMode( QFileDialog::Contents );
+	}
+	fd.setCaption( caption );
+	fd.setSelection( start );
+	if ( fd.exec() == QDialog::Accepted ) {
+	    QString result = fd.selectedFile();
+	    printf("%s\n", (const char*)result);
+	    return 0;
+	} else {
+	    return 1;
+	}
+    } else {
+	CustomFileDialog fd;
+	fd.exec();
+	return 1;
+    }
+}
diff --git a/examples/qdir/qdir.doc b/examples/qdir/qdir.doc
new file mode 100644
index 0000000..624cbd5
--- /dev/null
+++ b/examples/qdir/qdir.doc
@@ -0,0 +1,15 @@
+/*
+*/
+/*!   \page qdir-example.html
+
+  \ingroup examples
+  \title QDir
+
+
+  <hr>
+
+  Main:
+
+  \include qdir/qdir.cpp
+*/	
+
diff --git a/examples/qdir/qdir.h b/examples/qdir/qdir.h
new file mode 100644
index 0000000..a4bee8f
--- /dev/null
+++ b/examples/qdir/qdir.h
@@ -0,0 +1,98 @@
+/****************************************************************************
+**
+** Copyright (C) 1992-2008 Trolltech ASA.  All rights reserved.
+**
+** This file is part of an example program for Qt.  This example
+** program may be used, distributed and modified without limitation.
+**
+*****************************************************************************/
+
+#ifndef QDIREXAMPLE_H
+#define QDIREXAMPLE_H
+
+#include <qscrollview.h>
+#include <qfiledialog.h>
+#include <qwidgetstack.h>
+#include <qvbox.h>
+#include <qurl.h>
+#include <qpixmap.h>
+#include <qstringlist.h>
+
+class QMultiLineEdit;
+class QTextView;
+class DirectoryView;
+class QSpinBox;
+class QShowEvent;
+class QPopupMenu;
+
+class PixmapView : public QScrollView
+{
+    Q_OBJECT
+
+public:
+    PixmapView( QWidget *parent );
+    void setPixmap( const QPixmap &pix );
+    void drawContents( QPainter *p, int, int, int, int );
+
+private:
+    QPixmap pixmap;
+
+};
+
+class Preview : public QWidgetStack
+{
+    Q_OBJECT
+
+public:
+    Preview( QWidget *parent );
+    void showPreview( const QUrl &u, int size );
+
+private:
+    QMultiLineEdit *normalText;
+    QTextView *html;
+    PixmapView *pixmap;
+
+};
+
+class PreviewWidget : public QVBox,
+		      public QFilePreview
+{
+    Q_OBJECT
+
+public:
+    PreviewWidget( QWidget *parent );
+    void previewUrl( const QUrl &u );
+
+private:
+    QSpinBox *sizeSpinBox;
+    Preview *preview;
+
+};
+
+class CustomFileDialog : public QFileDialog
+{
+    Q_OBJECT
+
+public:
+    CustomFileDialog();
+    ~CustomFileDialog();
+
+protected:
+    void showEvent( QShowEvent *e );
+
+public slots:
+    void setDir2( const QString & );
+
+private slots:
+    void bookmarkChosen( int i );
+    void goHome();
+
+private:
+    DirectoryView *dirView;
+    QPopupMenu *bookmarkMenu;
+    QStringList bookmarkList;
+    int addId;
+
+};
+
+#endif
diff --git a/examples/qdir/qdir.pro b/examples/qdir/qdir.pro
new file mode 100644
index 0000000..fa7a0f6
--- /dev/null
+++ b/examples/qdir/qdir.pro
@@ -0,0 +1,10 @@
+TEMPLATE	= app
+TARGET		= qdir
+
+CONFIG		+= qt warn_on release
+DEPENDPATH	= ../../include
+
+REQUIRES	= full-config
+
+HEADERS		= qdir.h ../dirview/dirview.h
+SOURCES		= qdir.cpp ../dirview/dirview.cpp
-- 
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