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tdegraphics/libkscan/imgscaledialog.cpp

179 lines
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/* This file is part of the KDE Project
Copyright (C) 1999 Klaas Freitag <freitag@suse.de>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include <tdelocale.h>
#include <kdebug.h>
#include <tqbuttongroup.h>
#include <tqradiobutton.h>
#include <knumvalidator.h>
#include "imgscaledialog.h"
/* ############################################################################## */
ImgScaleDialog::ImgScaleDialog( TQWidget *parent, int curr_sel,
const char *name )
:KDialogBase( parent, name , true, i18n("Zoom"),
Ok|Cancel, Ok, true )
{
// setCaption (i18n ("Image Zoom"));
selected = curr_sel;
int one_is_selected = false;
enableButtonSeparator( false );
// (void) new TQLabel( , main, "Page");
//
// makeMainWidget();
TQButtonGroup *radios = new TQButtonGroup ( 2, TQt::Horizontal, this );
setMainWidget(radios);
TQ_CHECK_PTR(radios);
radios->setTitle( i18n("Select Image Zoom") );
connect( radios, TQT_SIGNAL( clicked( int )),
this, TQT_SLOT( setSelValue( int )));
// left gap: smaller Image
TQRadioButton *rb25 = new TQRadioButton (i18n ("25 %"), radios);
if( curr_sel == 25 ){
rb25->setChecked( true );
one_is_selected = true;
}
TQRadioButton *rb50 = new TQRadioButton (i18n ("50 %"), radios );
if( curr_sel == 50 ){
rb50->setChecked( true );
one_is_selected = true;
}
TQRadioButton *rb75 = new TQRadioButton (i18n ("75 %"), radios );
if( curr_sel == 75 ) {
rb75->setChecked( true );
one_is_selected = true;
}
TQRadioButton *rb100 = new TQRadioButton (i18n ("100 %"), radios);
if( curr_sel == 100 ) {
rb100->setChecked( true );
one_is_selected = true;
}
TQRadioButton *rb150 = new TQRadioButton (i18n ("150 %"), radios);
if( curr_sel == 150 ) {
rb150->setChecked( true );
one_is_selected = true;
}
TQRadioButton *rb200 = new TQRadioButton (i18n ("200 %"), radios );
if( curr_sel == 200 ) {
rb200->setChecked( true );
one_is_selected = true;
}
TQRadioButton *rb300 = new TQRadioButton (i18n ("300 %"), radios );
if( curr_sel == 300 ) {
rb300->setChecked( true );
one_is_selected = true;
}
TQRadioButton *rb400 = new TQRadioButton (i18n ("400 %"), radios);
if( curr_sel == 400 ) {
rb400->setChecked( true );
one_is_selected = true;
}
// Custom Scaler at the bottom
TQRadioButton *rbCust = new TQRadioButton (i18n ("Custom scale factor:"),
radios);
if( ! one_is_selected )
rbCust->setChecked( true );
leCust = new TQLineEdit( radios );
TQString sn;
sn.setNum(curr_sel );
leCust->setValidator( new KIntValidator( leCust ) );
leCust->setText(sn );
connect( leCust, TQT_SIGNAL( textChanged( const TQString& )),
this, TQT_SLOT( customChanged( const TQString& )));
connect( rbCust, TQT_SIGNAL( toggled( bool )),
this, TQT_SLOT(enableAndFocus(bool)));
leCust->setEnabled( rbCust->isChecked());
}
void ImgScaleDialog::customChanged( const TQString& s )
{
bool ok;
int okval = s.toInt( &ok );
if( ok && okval > 5 && okval < 1000 ) {
selected = okval;
emit( customScaleChange( okval ));
} else {
kdDebug(29000) << "ERR: To large, to smale, or whatever shitty !" << endl;
}
}
// This slot is called, when the user changes the Scale-Selection
// in the button group. The value val is the index of the active
// button which is translated to the Scale-Size in percent.
// If custom size is selected, the ScaleSize is read from the
// TQLineedit.
//
void ImgScaleDialog::setSelValue( int val )
{
const int translator[]={ 25, 50, 75, 100, 150,200,300, 400, -1 };
const size_t translator_size = sizeof( translator ) / sizeof(int);
int old_sel = selected;
// Check if value is in Range
if( val >= 0 && val < (int) translator_size ) {
selected = translator[val];
// Custom size selected
if( selected == -1 ) {
TQString s = leCust->text();
bool ok;
int okval = s.toInt( &ok );
if( ok ) {
selected = okval;
emit( customScaleChange( okval ));
} else {
selected = old_sel;
}
} // Selection is not custom
} else {
kdDebug(29000) << "ERR: Invalid size selected !" << endl;
}
// debug( "SetValue: Selected Scale is %d", selected );
}
int ImgScaleDialog::getSelected() const
{
return( selected );
}
/* ############################################################################## */
#include "imgscaledialog.moc"