convertdialog.cpp

qt3.8开发的例子, 做linux下qt编程可以参考

/****************************************************************************
** Form implementation generated from reading ui file 'convertdialog.ui'
**
** Created: 二  9月 7 22:17:44 2004
**      by: The User Interface Compiler ($Id: qt/main.cpp   3.1.1   edited Nov 21 17:40 $)
**
** WARNING! All changes made in this file will be lost!
****************************************************************************/

#include "convertdialog.h"

#include <qvariant.h>
#include <qbuttongroup.h>
#include <qcheckbox.h>
#include <qcombobox.h>
#include <qdir.h>
#include <qfiledialog.h>
#include <qimage.h>
#include <qlabel.h>
#include <qlineedit.h>
#include <qprocess.h>
#include <qpushbutton.h>
#include <qtextedit.h>
#include <qlayout.h>
#include <qtooltip.h>
#include <qwhatsthis.h>
#include "convertdialog.ui.h"

/* 
 *  Constructs a ConvertDialog as a child of 'parent', with the 
 *  name 'name' and widget flags set to 'f'.
 *
 *  The dialog will by default be modeless, unless you set 'modal' to
 *  TRUE to construct a modal dialog.
 */
ConvertDialog::ConvertDialog( QWidget* parent, const char* name, bool modal, WFlags fl )
    : QDialog( parent, name, modal, fl )

{
    if ( !name )
	setName( "ConvertDialog" );
    ConvertDialogLayout = new QGridLayout( this, 1, 1, 11, 6, "ConvertDialogLayout"); 

    sourceFileLabel = new QLabel( this, "sourceFileLabel" );
    sourceFileLabel->setFrameShape( QLabel::NoFrame );
    sourceFileLabel->setFrameShadow( QLabel::Plain );

    ConvertDialogLayout->addWidget( sourceFileLabel, 0, 0 );

    targetFormatLabel = new QLabel( this, "targetFormatLabel" );

    ConvertDialogLayout->addWidget( targetFormatLabel, 1, 0 );

    sourceFileEdit = new QLineEdit( this, "sourceFileEdit" );

    ConvertDialogLayout->addMultiCellWidget( sourceFileEdit, 0, 0, 1, 2 );

    targetFormatComboBox = new QComboBox( FALSE, this, "targetFormatComboBox" );

    ConvertDialogLayout->addWidget( targetFormatComboBox, 1, 1 );
    QSpacerItem* spacer = new QSpacerItem( 20, 20, QSizePolicy::Expanding, QSizePolicy::Minimum );
    ConvertDialogLayout->addMultiCell( spacer, 1, 1, 2, 3 );

    browseButton = new QPushButton( this, "browseButton" );

    ConvertDialogLayout->addWidget( browseButton, 0, 3 );

    optionsButtonGroup = new QButtonGroup( this, "optionsButtonGroup" );
    optionsButtonGroup->setColumnLayout(0, Qt::Vertical );
    optionsButtonGroup->layout()->setSpacing( 6 );
    optionsButtonGroup->layout()->setMargin( 11 );
    optionsButtonGroupLayout = new QHBoxLayout( optionsButtonGroup->layout() );
    optionsButtonGroupLayout->setAlignment( Qt::AlignTop );

    enhanceCheckBox = new QCheckBox( optionsButtonGroup, "enhanceCheckBox" );
    optionsButtonGroupLayout->addWidget( enhanceCheckBox );

    monochromeCheckBox = new QCheckBox( optionsButtonGroup, "monochromeCheckBox" );
    optionsButtonGroupLayout->addWidget( monochromeCheckBox );

    ConvertDialogLayout->addMultiCellWidget( optionsButtonGroup, 2, 2, 0, 3 );

    buttonLayout = new QHBoxLayout( 0, 0, 6, "buttonLayout"); 
    QSpacerItem* spacer_2 = new QSpacerItem( 20, 20, QSizePolicy::Expanding, QSizePolicy::Minimum );
    buttonLayout->addItem( spacer_2 );

    convertButton = new QPushButton( this, "convertButton" );
    buttonLayout->addWidget( convertButton );

    quitButton = new QPushButton( this, "quitButton" );
    buttonLayout->addWidget( quitButton );

    ConvertDialogLayout->addMultiCellLayout( buttonLayout, 4, 4, 0, 3 );

    outputTextEdit = new QTextEdit( this, "outputTextEdit" );
    outputTextEdit->setReadOnly( TRUE );

    ConvertDialogLayout->addMultiCellWidget( outputTextEdit, 3, 3, 0, 3 );
    languageChange();
    resize( QSize(325, 312).expandedTo(minimumSizeHint()) );

    // signals and slots connections
    connect( browseButton, SIGNAL( clicked() ), this, SLOT( browse() ) );
    connect( convertButton, SIGNAL( clicked() ), this, SLOT( convert() ) );
    connect( quitButton, SIGNAL( clicked() ), this, SLOT( reject() ) );

    // tab order
    setTabOrder( browseButton, sourceFileEdit );
    setTabOrder( sourceFileEdit, targetFormatComboBox );
    setTabOrder( targetFormatComboBox, enhanceCheckBox );
    setTabOrder( enhanceCheckBox, monochromeCheckBox );
    setTabOrder( monochromeCheckBox, convertButton );
    setTabOrder( convertButton, quitButton );

    // buddies
    sourceFileLabel->setBuddy( sourceFileEdit );
    targetFormatLabel->setBuddy( targetFormatComboBox );
    init();
}

/*
 *  Destroys the object and frees any allocated resources
 */
ConvertDialog::~ConvertDialog()
{
    // no need to delete child widgets, Qt does it all for us
}

/*
 *  Sets the strings of the subwidgets using the current
 *  language.
 */
void ConvertDialog::languageChange()
{
    setCaption( tr( "Image Converter" ) );
    sourceFileLabel->setText( tr( "&Source File:" ) );
    targetFormatLabel->setText( tr( "&Target Format:" ) );
    browseButton->setText( tr( "&Browse" ) );
    browseButton->setAccel( QKeySequence( tr( "Alt+B" ) ) );
    optionsButtonGroup->setTitle( tr( "Options" ) );
    enhanceCheckBox->setText( tr( "&Enhance" ) );
    enhanceCheckBox->setAccel( QKeySequence( tr( "Alt+E" ) ) );
    monochromeCheckBox->setText( tr( "&Monochrome" ) );
    monochromeCheckBox->setAccel( QKeySequence( tr( "Alt+M" ) ) );
    convertButton->setText( tr( "&Convert" ) );
    convertButton->setAccel( QKeySequence( tr( "Alt+C" ) ) );
    quitButton->setText( tr( "&Quit" ) );
    quitButton->setAccel( QKeySequence( tr( "Alt+Q" ) ) );
}