lib

symbolcombo.cpp

00001 /* This file is part of the KDE project
00002    Copyright (C) 2004 Cedric Pasteur <cedric.pasteur@free.fr>
00003    Copyright (C) 2004  Alexander Dymo <cloudtemple@mskat.net>
00004 
00005    This library is free software; you can redistribute it and/or
00006    modify it under the terms of the GNU Library General Public
00007    License as published by the Free Software Foundation; either
00008    version 2 of the License, or (at your option) any later version.
00009 
00010    This library is distributed in the hope that it will be useful,
00011    but WITHOUT ANY WARRANTY; without even the implied warranty of
00012    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00013    Library General Public License for more details.
00014 
00015    You should have received a copy of the GNU Library General Public License
00016    along with this library; see the file COPYING.LIB.  If not, write to
00017    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
00018  * Boston, MA 02110-1301, USA.
00019 */
00020 
00021 #include <qlineedit.h>
00022 #include <qpushbutton.h>
00023 #include <qlayout.h>
00024 #include <qpainter.h>
00025 #include <qvariant.h>
00026 
00027 #ifndef QT_ONLY
00028 #include <kcharselect.h>
00029 #include <klocale.h>
00030 #include <kdialogbase.h>
00031 #endif
00032 
00033 #include "symbolcombo.h"
00034 
00035 using namespace KoProperty;
00036 
00037 SymbolCombo::SymbolCombo(Property *property, QWidget *parent, const char *name)
00038  : Widget(property, parent, name)
00039 {
00040     setHasBorders(false);
00041     QHBoxLayout *l = new QHBoxLayout(this);
00042 
00043     m_edit = new QLineEdit(this);
00044     m_edit->setLineWidth(0);
00045     m_edit->setReadOnly(true);
00046     m_edit->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
00047     m_edit->setMinimumHeight(5);
00048     m_edit->setMaxLength(1);
00049     l->addWidget(m_edit);
00050     m_select = new QPushButton("...", this);
00051     m_select->setSizePolicy(QSizePolicy::Maximum, QSizePolicy::MinimumExpanding);
00052     m_select->setMinimumHeight(5);
00053     l->addWidget(m_select);
00054 
00055 #ifdef QT_ONLY
00056     m_select->hide();
00057 #endif
00058 
00059     connect(m_select, SIGNAL(clicked()), this, SLOT(selectChar()));
00060     connect(m_edit, SIGNAL(textChanged(const QString&)), this, SLOT(slotValueChanged(const QString&)));
00061 }
00062 
00063 SymbolCombo::~SymbolCombo()
00064 {}
00065 
00066 QVariant
00067 SymbolCombo::value() const
00068 {
00069     if (!(m_edit->text().isNull()))
00070         return m_edit->text().at(0).unicode();
00071     else
00072         return 0;
00073 }
00074 
00075 void
00076 SymbolCombo::setValue(const QVariant &value, bool emitChange)
00077 {
00078 #if QT_VERSION >= 0x030100
00079     if (!(value.isNull()))
00080 #else
00081     if (value.canCast(QVariant::Int))
00082 #endif
00083     {
00084         m_edit->blockSignals(true);
00085         m_edit->setText(QChar(value.toInt()));
00086         m_edit->blockSignals(false);
00087         if (emitChange)
00088             emit valueChanged(this);
00089     }
00090 }
00091 
00092 void
00093 SymbolCombo::drawViewer(QPainter *p, const QColorGroup &cg, const QRect &r, const QVariant &value)
00094 {
00095 //  p->eraseRect(r);
00096 //  p->drawText(r, Qt::AlignLeft | Qt::AlignVCenter | Qt::SingleLine, QChar(value.toInt()));
00097     Widget::drawViewer(p, cg, r, QString( QChar(value.toInt()) ));
00098 }
00099 
00100 void
00101 SymbolCombo::selectChar()
00102 {
00103 #ifndef QT_ONLY
00104     KDialogBase dialog(this->topLevelWidget(), "charselect_dialog", true, i18n("Select Char"),
00105         KDialogBase::Ok|KDialogBase::Cancel, KDialogBase::Ok, false);
00106 
00107     KCharSelect *select = new KCharSelect(&dialog, "select_char");
00108     dialog.setMainWidget(select);
00109 
00110     if (!(m_edit->text().isNull()))
00111         select->setChar(m_edit->text().at(0));
00112 
00113     if (dialog.exec() == QDialog::Accepted)
00114         m_edit->setText(select->chr());
00115 #endif
00116 }
00117 
00118 void
00119 SymbolCombo::slotValueChanged(const QString&)
00120 {
00121     emit valueChanged(this);
00122 }
00123 
00124 void
00125 SymbolCombo::setReadOnlyInternal(bool readOnly)
00126 {
00127     m_select->setEnabled(!readOnly);
00128 }
00129 
00130 #include "symbolcombo.moc"
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