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/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
** of its contributors may be used to endorse or promote products derived
** from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtWidgets>
#include "characterwidget.h"
#include "mainwindow.h"
//! [0]
MainWindow::MainWindow()
{
QWidget *centralWidget = new QWidget;
QLabel *fontLabel = new QLabel(tr("Font:"));
fontCombo = new QFontComboBox;
QLabel *sizeLabel = new QLabel(tr("Size:"));
sizeCombo = new QComboBox;
QLabel *styleLabel = new QLabel(tr("Style:"));
styleCombo = new QComboBox;
QLabel *fontMergingLabel = new QLabel(tr("Automatic Font Merging:"));
fontMerging = new QCheckBox;
fontMerging->setChecked(true);
scrollArea = new QScrollArea;
characterWidget = new CharacterWidget;
scrollArea->setWidget(characterWidget);
//! [0]
//! [1]
findStyles(fontCombo->currentFont());
//! [1]
findSizes(fontCombo->currentFont());
//! [2]
lineEdit = new QLineEdit;
#ifndef QT_NO_CLIPBOARD
QPushButton *clipboardButton = new QPushButton(tr("&To clipboard"));
//! [2]
//! [3]
clipboard = QApplication::clipboard();
//! [3]
#endif
//! [4]
connect(fontCombo, SIGNAL(currentFontChanged(QFont)),
this, SLOT(findStyles(QFont)));
connect(fontCombo, SIGNAL(currentFontChanged(QFont)),
this, SLOT(findSizes(QFont)));
connect(fontCombo, SIGNAL(currentFontChanged(QFont)),
characterWidget, SLOT(updateFont(QFont)));
connect(sizeCombo, SIGNAL(currentIndexChanged(QString)),
characterWidget, SLOT(updateSize(QString)));
connect(styleCombo, SIGNAL(currentIndexChanged(QString)),
characterWidget, SLOT(updateStyle(QString)));
//! [4] //! [5]
connect(characterWidget, SIGNAL(characterSelected(QString)),
this, SLOT(insertCharacter(QString)));
#ifndef QT_NO_CLIPBOARD
connect(clipboardButton, SIGNAL(clicked()), this, SLOT(updateClipboard()));
#endif
//! [5]
connect(fontMerging, SIGNAL(toggled(bool)), characterWidget, SLOT(updateFontMerging(bool)));
//! [6]
QHBoxLayout *controlsLayout = new QHBoxLayout;
controlsLayout->addWidget(fontLabel);
controlsLayout->addWidget(fontCombo, 1);
controlsLayout->addWidget(sizeLabel);
controlsLayout->addWidget(sizeCombo, 1);
controlsLayout->addWidget(styleLabel);
controlsLayout->addWidget(styleCombo, 1);
controlsLayout->addWidget(fontMergingLabel);
controlsLayout->addWidget(fontMerging, 1);
controlsLayout->addStretch(1);
QHBoxLayout *lineLayout = new QHBoxLayout;
lineLayout->addWidget(lineEdit, 1);
lineLayout->addSpacing(12);
#ifndef QT_NO_CLIPBOARD
lineLayout->addWidget(clipboardButton);
#endif
QVBoxLayout *centralLayout = new QVBoxLayout;
centralLayout->addLayout(controlsLayout);
centralLayout->addWidget(scrollArea, 1);
centralLayout->addSpacing(4);
centralLayout->addLayout(lineLayout);
centralWidget->setLayout(centralLayout);
setCentralWidget(centralWidget);
setWindowTitle(tr("Character Map"));
}
//! [6]
//! [7]
void MainWindow::findStyles(const QFont &font)
{
QFontDatabase fontDatabase;
QString currentItem = styleCombo->currentText();
styleCombo->clear();
//! [7]
//! [8]
QString style;
foreach (style, fontDatabase.styles(font.family()))
styleCombo->addItem(style);
int styleIndex = styleCombo->findText(currentItem);
if (styleIndex == -1)
styleCombo->setCurrentIndex(0);
else
styleCombo->setCurrentIndex(styleIndex);
}
//! [8]
void MainWindow::findSizes(const QFont &font)
{
QFontDatabase fontDatabase;
QString currentSize = sizeCombo->currentText();
sizeCombo->blockSignals(true);
sizeCombo->clear();
int size;
if(fontDatabase.isSmoothlyScalable(font.family(), fontDatabase.styleString(font))) {
foreach(size, QFontDatabase::standardSizes()) {
sizeCombo->addItem(QVariant(size).toString());
sizeCombo->setEditable(true);
}
} else {
foreach(size, fontDatabase.smoothSizes(font.family(), fontDatabase.styleString(font))) {
sizeCombo->addItem(QVariant(size).toString());
sizeCombo->setEditable(false);
}
}
sizeCombo->blockSignals(false);
int sizeIndex = sizeCombo->findText(currentSize);
if(sizeIndex == -1)
sizeCombo->setCurrentIndex(qMax(0, sizeCombo->count() / 3));
else
sizeCombo->setCurrentIndex(sizeIndex);
}
//! [9]
void MainWindow::insertCharacter(const QString &character)
{
lineEdit->insert(character);
}
//! [9]
//! [10]
#ifndef QT_NO_CLIPBOARD
void MainWindow::updateClipboard()
{
//! [11]
clipboard->setText(lineEdit->text(), QClipboard::Clipboard);
//! [11]
clipboard->setText(lineEdit->text(), QClipboard::Selection);
}
#endif
//! [10]
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