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-rw-r--r--tests/manual/examples/widgets/widgets/charactermap/mainwindow.cpp264
1 files changed, 264 insertions, 0 deletions
diff --git a/tests/manual/examples/widgets/widgets/charactermap/mainwindow.cpp b/tests/manual/examples/widgets/widgets/charactermap/mainwindow.cpp
new file mode 100644
index 0000000000..fcc00f9642
--- /dev/null
+++ b/tests/manual/examples/widgets/widgets/charactermap/mainwindow.cpp
@@ -0,0 +1,264 @@
+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+#include "mainwindow.h"
+#include "characterwidget.h"
+
+#include <QApplication>
+#include <QBoxLayout>
+#include <QCheckBox>
+#include <QClipboard>
+#include <QDialog>
+#include <QDialogButtonBox>
+#include <QFontComboBox>
+#include <QLabel>
+#include <QLineEdit>
+#include <QMenuBar>
+#include <QPlainTextEdit>
+#include <QPushButton>
+#include <QScreen>
+#include <QScrollArea>
+#include <QStatusBar>
+#include <QTextStream>
+
+//! [0]
+Q_DECLARE_METATYPE(QFontComboBox::FontFilter)
+
+MainWindow::MainWindow(QWidget *parent)
+ : QMainWindow(parent)
+{
+ QMenu *fileMenu = menuBar()->addMenu(tr("File"));
+ fileMenu->addAction(tr("Quit"), this, &QWidget::close);
+ QMenu *helpMenu = menuBar()->addMenu(tr("&Help"));
+ helpMenu->addAction(tr("Show Font Info"), this, &MainWindow::showInfo);
+ helpMenu->addAction(tr("About &Qt"), qApp, &QApplication::aboutQt);
+
+ QWidget *centralWidget = new QWidget;
+
+ QLabel *filterLabel = new QLabel(tr("Filter:"));
+ filterCombo = new QComboBox;
+ filterCombo->addItem(tr("All"), QVariant::fromValue(QFontComboBox::AllFonts));
+ filterCombo->addItem(tr("Scalable"), QVariant::fromValue(QFontComboBox::ScalableFonts));
+ filterCombo->addItem(tr("Monospaced"), QVariant::fromValue(QFontComboBox::MonospacedFonts));
+ filterCombo->addItem(tr("Proportional"), QVariant::fromValue(QFontComboBox::ProportionalFonts));
+ filterCombo->setCurrentIndex(0);
+ connect(filterCombo, &QComboBox::currentIndexChanged,
+ this, &MainWindow::filterChanged);
+
+ 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;
+ lineEdit->setClearButtonEnabled(true);
+#ifndef QT_NO_CLIPBOARD
+ QPushButton *clipboardButton = new QPushButton(tr("&To clipboard"));
+//! [2]
+
+#endif
+
+//! [4]
+ connect(fontCombo, &QFontComboBox::currentFontChanged,
+ this, &MainWindow::findStyles);
+ connect(fontCombo, &QFontComboBox::currentFontChanged,
+ this, &MainWindow::findSizes);
+ connect(fontCombo, &QFontComboBox::currentFontChanged,
+ characterWidget, &CharacterWidget::updateFont);
+ connect(sizeCombo, &QComboBox::currentTextChanged,
+ characterWidget, &CharacterWidget::updateSize);
+ connect(styleCombo, &QComboBox::currentTextChanged,
+ characterWidget, &CharacterWidget::updateStyle);
+//! [4] //! [5]
+ connect(characterWidget, &CharacterWidget::characterSelected,
+ this, &MainWindow::insertCharacter);
+
+#ifndef QT_NO_CLIPBOARD
+ connect(clipboardButton, &QAbstractButton::clicked, this, &MainWindow::updateClipboard);
+#endif
+//! [5]
+ connect(fontMerging, &QAbstractButton::toggled, characterWidget, &CharacterWidget::updateFontMerging);
+
+//! [6]
+ QHBoxLayout *controlsLayout = new QHBoxLayout;
+ controlsLayout->addWidget(filterLabel);
+ controlsLayout->addWidget(filterCombo, 1);
+ 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)
+{
+ QString currentItem = styleCombo->currentText();
+ styleCombo->clear();
+//! [7]
+
+//! [8]
+ const QStringList styles = QFontDatabase::styles(font.family());
+ for (const QString &style : styles)
+ styleCombo->addItem(style);
+
+ int styleIndex = styleCombo->findText(currentItem);
+
+ if (styleIndex == -1)
+ styleCombo->setCurrentIndex(0);
+ else
+ styleCombo->setCurrentIndex(styleIndex);
+}
+//! [8]
+
+void MainWindow::filterChanged(int f)
+{
+ const QFontComboBox::FontFilter filter =
+ qvariant_cast<QFontComboBox::FontFilter>(filterCombo->itemData(f));
+ fontCombo->setFontFilters(filter);
+ statusBar()->showMessage(tr("%n font(s) found", nullptr, fontCombo->count()));
+}
+
+void MainWindow::findSizes(const QFont &font)
+{
+ QString currentSize = sizeCombo->currentText();
+
+ {
+ const QSignalBlocker blocker(sizeCombo);
+ // sizeCombo signals are now blocked until end of scope
+ sizeCombo->clear();
+
+ if (QFontDatabase::isSmoothlyScalable(font.family(), QFontDatabase::styleString(font))) {
+ const QList<int> sizes = QFontDatabase::standardSizes();
+ for (const int size : sizes) {
+ sizeCombo->addItem(QVariant(size).toString());
+ sizeCombo->setEditable(true);
+ }
+
+ } else {
+ const QList<int> sizes = QFontDatabase::smoothSizes(font.family(), QFontDatabase::styleString(font));
+ for (const int size : sizes ) {
+ sizeCombo->addItem(QVariant(size).toString());
+ sizeCombo->setEditable(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]
+ QGuiApplication::clipboard()->setText(lineEdit->text(), QClipboard::Clipboard);
+//! [11]
+ QGuiApplication::clipboard()->setText(lineEdit->text(), QClipboard::Selection);
+}
+#endif
+
+class FontInfoDialog : public QDialog
+{
+public:
+ explicit FontInfoDialog(QWidget *parent = nullptr);
+
+private:
+ QString text() const;
+};
+
+FontInfoDialog::FontInfoDialog(QWidget *parent) : QDialog(parent)
+{
+ setWindowFlags(windowFlags() & ~Qt::WindowContextHelpButtonHint);
+ QVBoxLayout *mainLayout = new QVBoxLayout(this);
+ QPlainTextEdit *textEdit = new QPlainTextEdit(text(), this);
+ textEdit->setReadOnly(true);
+ textEdit->setFont(QFontDatabase::systemFont(QFontDatabase::FixedFont));
+ mainLayout->addWidget(textEdit);
+ QDialogButtonBox *buttonBox = new QDialogButtonBox(QDialogButtonBox::Close, this);
+ connect(buttonBox, &QDialogButtonBox::rejected, this, &QDialog::reject);
+ mainLayout->addWidget(buttonBox);
+}
+
+QString FontInfoDialog::text() const
+{
+ QString text;
+ QTextStream str(&text);
+ const QFont defaultFont = QFontDatabase::systemFont(QFontDatabase::GeneralFont);
+ const QFont fixedFont = QFontDatabase::systemFont(QFontDatabase::FixedFont);
+ const QFont titleFont = QFontDatabase::systemFont(QFontDatabase::TitleFont);
+ const QFont smallestReadableFont = QFontDatabase::systemFont(QFontDatabase::SmallestReadableFont);
+
+ str << "Qt " << QT_VERSION_STR << " on " << QGuiApplication::platformName()
+ << ", " << logicalDpiX() << "DPI";
+ if (!qFuzzyCompare(devicePixelRatio(), qreal(1)))
+ str << ", device pixel ratio: " << devicePixelRatio();
+ str << "\n\nDefault font : " << defaultFont.family() << ", " << defaultFont.pointSizeF() << "pt\n"
+ << "Fixed font : " << fixedFont.family() << ", " << fixedFont.pointSizeF() << "pt\n"
+ << "Title font : " << titleFont.family() << ", " << titleFont.pointSizeF() << "pt\n"
+ << "Smallest font: " << smallestReadableFont.family() << ", " << smallestReadableFont.pointSizeF() << "pt\n";
+
+ return text;
+}
+
+void MainWindow::showInfo()
+{
+ const QRect screenGeometry = screen()->geometry();
+ FontInfoDialog *dialog = new FontInfoDialog(this);
+ dialog->setWindowTitle(tr("Fonts"));
+ dialog->setAttribute(Qt::WA_DeleteOnClose);
+ dialog->resize(screenGeometry.width() / 4, screenGeometry.height() / 4);
+ dialog->show();
+}
+
+//! [10]
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