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koffice/kpresenter/KPrRotationDialogImpl.cpp

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// -*- Mode: c++; c-basic-offset: 4; indent-tabs-mode: nil; tab-width: 4; -*-
/* This file is part of the KDE project
Copyright (C) 2005 Thomas Zander <zander@kde.org>
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; version 2.
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 <qtoolbutton.h>
#include <qslider.h>
#include <qgroupbox.h>
#include <qlayout.h>
#include <qbuttongroup.h>
#include <qobject.h>
#include <qevent.h>
#include <kiconloader.h>
#include <kdebug.h>
#include <klocale.h>
#include <knuminput.h>
#include "KPrRotationDialogImpl.h"
#include "rotationpropertyui.h"
#include "KPrTextPreview.h"
KPrRotationDialogImpl::KPrRotationDialogImpl( QWidget *parent, const char* name )
: KDialogBase( parent, name, true, i18n( "Rotation"), Ok|Cancel|Apply, Ok, true )
, m_dialog( new RotationPropertyUI( this, name ) )
{
noSignals = false;
m_preview = new KPrTextPreview( m_dialog->previewPanel );
QHBoxLayout *lay = new QHBoxLayout( m_dialog->previewPanel, m_dialog->previewPanel->lineWidth(), 0 );
lay->addWidget( m_preview );
QHBoxLayout *hbox = new QHBoxLayout(m_dialog->angleFrame);
m_angleGroup = new KPrCircleGroup(m_dialog->angleFrame);
hbox->addWidget(m_angleGroup);
// Draw the circle of checkboxes.
QGridLayout *circleLayout = new QGridLayout(m_angleGroup, 4, 5);
circleLayout->addItem(new QSpacerItem ( 1, 1 , QSizePolicy::MinimumExpanding ), 0, 0);
circleLayout->addItem(new QSpacerItem ( 1, 1 , QSizePolicy::MinimumExpanding ), 0, 5);
KPrCircleToggle *r0 = new KPrCircleToggle(m_angleGroup, "tm", 0);
KPrCircleToggle *r45 = new KPrCircleToggle(m_angleGroup, "tr", 45);
KPrCircleToggle *r90 = new KPrCircleToggle(m_angleGroup, "mr", 90);
KPrCircleToggle *r135 = new KPrCircleToggle(m_angleGroup, "br", 135);
KPrCircleToggle *r180 = new KPrCircleToggle(m_angleGroup, "bm", 180);
KPrCircleToggle *r225 = new KPrCircleToggle(m_angleGroup, "bl", -135);
KPrCircleToggle *r270 = new KPrCircleToggle(m_angleGroup, "ml", -90);
KPrCircleToggle *r315 = new KPrCircleToggle(m_angleGroup, "tl", -45);
circleLayout->addWidget(r0, 0, 2);
circleLayout->addWidget(r180, 2, 2);
circleLayout->addWidget(r45, 0, 3);
circleLayout->addWidget(r135, 2, 3);
circleLayout->addWidget(r315, 0, 1);
circleLayout->addWidget(r225, 2, 1);
circleLayout->addWidget(r90, 1, 3);
circleLayout->addWidget(r270, 1, 1);
connect( m_angleGroup, SIGNAL (clicked (int)),
this, SLOT( angleMode( int ) ) );
connect (m_dialog->angleSlider, SIGNAL( valueChanged (int ) ),
this, SLOT( angleMode( int ) ) );
connect (m_dialog->angleSpinbox, SIGNAL (valueChanged (double) ),
this, SLOT( angleChanged( double ) ) );
connect( this, SIGNAL( okClicked() ), this, SLOT( slotOk() ) );
setMainWidget( m_dialog );
}
void KPrRotationDialogImpl::slotOk()
{
emit apply();
accept();
}
void KPrRotationDialogImpl::setAngle( double angle )
{
if(noSignals) return;
noSignals = true;
int roundedAngle = (int) (angle + (angle >=0 ? 0.5:-0.5));
m_dialog->angleSlider->setValue( roundedAngle );
if(roundedAngle == -180)
roundedAngle = 180;
m_angleGroup->setAngle(roundedAngle);
m_dialog->angleSpinbox->setValue( angle );
m_preview->setAngle( angle );
noSignals = false;
}
double KPrRotationDialogImpl::angle()
{
return m_dialog->angleSpinbox->value();
}
void KPrRotationDialogImpl::angleChanged( double angle )
{
setAngle( angle );
}
void KPrRotationDialogImpl::angleMode( int angle )
{
setAngle( angle );
}
KPrCircleToggle::KPrCircleToggle( QWidget *parent, const QString &image, int id )
: QLabel( parent )
{
KIconLoader il("kpresenter");
m_off = il.loadIcon("rotate/" + image, KIcon::NoGroup, 28);
m_on = il.loadIcon("rotate/" + image + "dn", KIcon::NoGroup, 28);
m_selected = false;
m_id = id;
setMouseTracking(true);
setPixmap( m_off );
KPrCircleGroup *cg = dynamic_cast<KPrCircleGroup*> (parent);
if(cg != 0)
cg->add(this);
}
void KPrCircleToggle::mousePressEvent ( QMouseEvent * e ) {
if(e->button() != Qt:: LeftButton)
return;
setChecked(!m_selected);
}
void KPrCircleToggle::setChecked(bool on) {
if(on == m_selected) return;
m_selected = on;
setPixmap( m_selected?m_on:m_off );
emit clicked(m_id);
}
KPrCircleGroup::KPrCircleGroup(QWidget *parent)
: QFrame(parent), m_buttons()
{
noSignals=false;
}
void KPrCircleGroup::setAngle(int angle) {
noSignals = true;
KPrCircleToggle *button;
for ( button = m_buttons.first(); button; button = m_buttons.next() )
button->setChecked(angle == button->id());
noSignals = false;
}
void KPrCircleGroup::add(KPrCircleToggle *button) {
connect (button, SIGNAL(clicked (int)), this, SLOT (selectionChanged (int)) );
m_buttons.append(button);
}
void KPrCircleGroup::selectionChanged(int buttonId) {
if(noSignals)
return;
KPrCircleToggle *button;
for ( button = m_buttons.first(); button; button = m_buttons.next() )
button->setChecked(buttonId == button->id());
emit clicked(buttonId);
}
#include "KPrRotationDialogImpl.moc"