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tqt3/examples/showimg/imagetexteditor.cpp

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/****************************************************************************
**
** 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 "imagetexteditor.h"
#include <ntqimage.h>
#include <ntqlayout.h>
#include <ntqgrid.h>
#include <ntqvbox.h>
#include <ntqhbox.h>
#include <ntqcombobox.h>
#include <ntqmultilineedit.h>
#include <ntqlabel.h>
#include <ntqlineedit.h>
#include <ntqlistbox.h>
#include <ntqpushbutton.h>
ImageTextEditor::ImageTextEditor( TQImage& i, TQWidget *parent, const char *name, WFlags f ) :
TQDialog(parent,name,TRUE,f),
image(i)
{
TQVBoxLayout* vbox = new TQVBoxLayout(this,8);
vbox->setAutoAdd(TRUE);
TQGrid* controls = new TQGrid(3,TQGrid::Horizontal,this);
controls->setSpacing(8);
TQLabel* l;
l=new TQLabel("Language",controls); l->setAlignment(AlignCenter);
l=new TQLabel("Key",controls); l->setAlignment(AlignCenter);
(void)new TQLabel("",controls); // dummy
languages = new TQComboBox(controls);
keys = new TQComboBox(controls);
TQPushButton* remove = new TQPushButton("Remove",controls);
newlang = new TQLineEdit(controls);
newkey = new TQLineEdit(controls);
TQPushButton* add = new TQPushButton("Add",controls);
text = new TQMultiLineEdit(this);
TQHBox* hbox = new TQHBox(this);
TQPushButton* cancel = new TQPushButton("Cancel",hbox);
TQPushButton* ok = new TQPushButton("OK",hbox);
connect(add,TQ_SIGNAL(clicked()),
this,TQ_SLOT(addText()));
connect(remove,TQ_SIGNAL(clicked()),
this,TQ_SLOT(removeText()));
connect(ok,TQ_SIGNAL(clicked()),
this,TQ_SLOT(accept()));
connect(cancel,TQ_SIGNAL(clicked()),
this,TQ_SLOT(reject()));
connect(languages,TQ_SIGNAL(activated(int)),
this,TQ_SLOT(updateText()));
connect(keys,TQ_SIGNAL(activated(int)),
this,TQ_SLOT(updateText()));
imageChanged();
}
ImageTextEditor::~ImageTextEditor()
{
}
void ImageTextEditor::imageChanged()
{
languages->clear();
keys->clear();
text->clear();
languages->insertItem("<any>");
languages->insertStringList(image.textLanguages());
keys->insertStringList(image.textKeys());
updateText();
}
void ImageTextEditor::accept()
{
storeText();
TQDialog::accept();
}
void ImageTextEditor::updateText()
{
storeText();
newlang->setText(languages->currentText());
newkey->setText(keys->currentText());
TQString t = image.text(currKey(),currLang());
text->setText(t);
}
TQString ImageTextEditor::currKey()
{
return newkey->text();
}
TQString ImageTextEditor::currLang()
{
TQString l = newlang->text();
if ( l=="<any>" )
l = TQString::null;
return l;
}
TQString ImageTextEditor::currText()
{
TQString t = text->text();
if ( t.isNull() ) t = "";
return t;
}
void ImageTextEditor::removeText()
{
image.setText(currKey(),currLang(),TQString::null);
}
void ImageTextEditor::addText()
{
storeText();
}
void ImageTextEditor::storeText()
{
if ( currKey().length() > 0 ) {
image.setText(currKey(),currLang(),currText());
}
}