diff options
Diffstat (limited to 'examples/widgets/gallery/widgetgallery.cpp')
| -rw-r--r-- | examples/widgets/gallery/widgetgallery.cpp | 168 |
1 files changed, 87 insertions, 81 deletions
diff --git a/examples/widgets/gallery/widgetgallery.cpp b/examples/widgets/gallery/widgetgallery.cpp index deef6b42181..e2ffec50e81 100644 --- a/examples/widgets/gallery/widgetgallery.cpp +++ b/examples/widgets/gallery/widgetgallery.cpp @@ -13,10 +13,10 @@ #include <QFileSystemModel> #include <QGridLayout> #include <QGroupBox> -#include <QMenu> #include <QLabel> #include <QLineEdit> #include <QListWidget> +#include <QMenu> #include <QPlainTextEdit> #include <QProgressBar> #include <QPushButton> @@ -26,26 +26,30 @@ #include <QSpinBox> #include <QStandardItemModel> #include <QStyle> -#include <QStyleHints> #include <QStyleFactory> -#include <QTextBrowser> -#include <QTreeView> +#include <QStyleHints> #include <QTableWidget> +#include <QTextBrowser> #include <QTextEdit> #include <QToolBox> #include <QToolButton> +#include <QTreeView> -#include <QIcon> #include <QDesktopServices> +#include <QIcon> #include <QScreen> #include <QWindow> +#include <QAnyStringView> #include <QDebug> #include <QLibraryInfo> +#include <QStringView> #include <QSysInfo> #include <QTextStream> #include <QTimer> +using namespace Qt::StringLiterals; + static inline QString className(const QObject *o) { return QString::fromUtf8(o->metaObject()->className()); @@ -56,7 +60,7 @@ static inline void setClassNameToolTip(QWidget *w) w->setToolTip(className(w)); } -static QString helpUrl(const QString &page) +static QString helpUrl(QStringView page) { QString result; QTextStream(&result) << "https://doc.qt.io/qt-" << QT_VERSION_MAJOR @@ -76,23 +80,23 @@ static void launchHelp(const QWidget *w) static void launchModuleHelp() { - QDesktopServices::openUrl(helpUrl(QLatin1String("qtwidgets-index"))); + QDesktopServices::openUrl(helpUrl(u"qtwidgets-index")); } template <class Widget> -Widget *createWidget(const char *name, QWidget *parent = nullptr) +Widget *createWidget(QAnyStringView name, QWidget *parent = nullptr) { - auto result = new Widget(parent); - result->setObjectName(QLatin1String(name)); + auto *result = new Widget(parent); + result->setObjectName(name); setClassNameToolTip(result); return result; } template <class Widget, class Parameter> -Widget *createWidget1(const Parameter &p1, const char *name, QWidget *parent = nullptr) +Widget *createWidget1(const Parameter &p1, QAnyStringView name, QWidget *parent = nullptr) { - auto result = new Widget(p1, parent); - result->setObjectName(QLatin1String(name)); + auto *result = new Widget(p1, parent); + result->setObjectName(name); setClassNameToolTip(result); return result; } @@ -108,9 +112,9 @@ static QString highDpiScaleFactorRoundingPolicy() { QString result; QDebug(&result) << QGuiApplication::highDpiScaleFactorRoundingPolicy(); - if (result.endsWith(QLatin1Char(')'))) + if (result.endsWith(u')')) result.chop(1); - const int lastSep = result.lastIndexOf(QLatin1String("::")); + const auto lastSep = result.lastIndexOf("::"_L1); if (lastSep != -1) result.remove(0, lastSep + 2); return result; @@ -122,10 +126,10 @@ WidgetGallery::WidgetGallery(QWidget *parent) { setWindowFlags(windowFlags() & ~Qt::WindowContextHelpButtonHint); - auto styleComboBox = createWidget<QComboBox>("styleComboBox"); + auto *styleComboBox = createWidget<QComboBox>("styleComboBox"); const QString defaultStyleName = QApplication::style()->objectName(); QStringList styleNames = QStyleFactory::keys(); - for (int i = 1, size = styleNames.size(); i < size; ++i) { + for (qsizetype i = 1, size = styleNames.size(); i < size; ++i) { if (defaultStyleName.compare(styleNames.at(i), Qt::CaseInsensitive) == 0) { styleNames.swapItemsAt(0, i); break; @@ -133,16 +137,16 @@ WidgetGallery::WidgetGallery(QWidget *parent) } styleComboBox->addItems(styleNames); - auto styleLabel = createWidget1<QLabel>(tr("&Style:"), "styleLabel"); + auto *styleLabel = createWidget1<QLabel>(tr("&Style:"), "styleLabel"); styleLabel->setBuddy(styleComboBox); - auto colorSchemeComboBox = createWidget<QComboBox>("colorSchemeComboBox"); + auto *colorSchemeComboBox = createWidget<QComboBox>("colorSchemeComboBox"); colorSchemeComboBox->addItem(tr("Auto")); colorSchemeComboBox->addItem(tr("Light")); colorSchemeComboBox->addItem(tr("Dark")); colorSchemeComboBox->setCurrentIndex(static_cast<int>(qApp->styleHints()->colorScheme())); - auto colorSchemeLabel = createWidget1<QLabel>(tr("&Color Scheme:"), "colorSchemeLabel"); + auto *colorSchemeLabel = createWidget1<QLabel>(tr("&Color Scheme:"), "colorSchemeLabel"); colorSchemeLabel->setBuddy(colorSchemeComboBox); connect(colorSchemeComboBox, &QComboBox::currentIndexChanged, this, [](int index){ @@ -150,15 +154,16 @@ WidgetGallery::WidgetGallery(QWidget *parent) }); const QKeySequence helpKeySequence(QKeySequence::HelpContents); - auto helpLabel = createWidget1<QLabel>(tr("Press <kbd>%1</kbd> over a widget to see Documentation") - .arg(helpKeySequence.toString(QKeySequence::NativeText)), "helpLabel"); + const QString helpText = tr("Press <kbd>%1</kbd> over a widget to see Documentation") + .arg(helpKeySequence.toString(QKeySequence::NativeText)); + auto *helpLabel = createWidget1<QLabel>(helpText, "helpLabel"); - auto disableWidgetsCheckBox = createWidget1<QCheckBox>(tr("&Disable widgets"), "disableWidgetsCheckBox"); + auto *disableWidgetsCheckBox = createWidget1<QCheckBox>(tr("&Disable widgets"), "disableWidgetsCheckBox"); - auto buttonsGroupBox = createButtonsGroupBox(); - auto itemViewTabWidget = createItemViewTabWidget(); - auto simpleInputWidgetsGroupBox = createSimpleInputWidgetsGroupBox(); - auto textToolBox = createTextToolBox(); + auto *buttonsGroupBox = createButtonsGroupBox(); + auto *itemViewTabWidget = createItemViewTabWidget(); + auto *simpleInputWidgetsGroupBox = createSimpleInputWidgetsGroupBox(); + auto *textToolBox = createTextToolBox(); connect(styleComboBox, &QComboBox::textActivated, this, &WidgetGallery::changeStyle); @@ -171,8 +176,8 @@ WidgetGallery::WidgetGallery(QWidget *parent) connect(disableWidgetsCheckBox, &QCheckBox::toggled, simpleInputWidgetsGroupBox, &QWidget::setDisabled); - auto topLayout = new QHBoxLayout; - auto appearanceLayout = new QGridLayout; + auto *topLayout = new QHBoxLayout; + auto *appearanceLayout = new QGridLayout; appearanceLayout->addWidget(styleLabel, 0, 0); appearanceLayout->addWidget(styleComboBox, 0, 1); appearanceLayout->addWidget(colorSchemeLabel, 1, 0); @@ -183,12 +188,12 @@ WidgetGallery::WidgetGallery(QWidget *parent) topLayout->addStretch(1); topLayout->addWidget(disableWidgetsCheckBox); - auto dialogButtonBox = createWidget1<QDialogButtonBox>(QDialogButtonBox::Help | QDialogButtonBox::Close, - "dialogButtonBox"); + auto *dialogButtonBox = createWidget1<QDialogButtonBox>( + QDialogButtonBox::Help | QDialogButtonBox::Close, "dialogButtonBox"); connect(dialogButtonBox, &QDialogButtonBox::helpRequested, this, launchModuleHelp); connect(dialogButtonBox, &QDialogButtonBox::rejected, this, &QDialog::reject); - auto mainLayout = new QGridLayout(this); + auto *mainLayout = new QGridLayout(this); mainLayout->addLayout(topLayout, 0, 0, 1, 2); mainLayout->addWidget(buttonsGroupBox, 1, 0); mainLayout->addWidget(simpleInputWidgetsGroupBox, 1, 1); @@ -225,38 +230,38 @@ void WidgetGallery::advanceProgressBar() QGroupBox *WidgetGallery::createButtonsGroupBox() { - auto result = createWidget1<QGroupBox>(tr("Buttons"), "buttonsGroupBox"); + auto *result = createWidget1<QGroupBox>(tr("Buttons"), "buttonsGroupBox"); - auto defaultPushButton = createWidget1<QPushButton>(tr("Default Push Button"), "defaultPushButton"); + auto *defaultPushButton = createWidget1<QPushButton>(tr("Default Push Button"), "defaultPushButton"); defaultPushButton->setDefault(true); - auto togglePushButton = createWidget1<QPushButton>(tr("Toggle Push Button"), "togglePushButton"); + auto *togglePushButton = createWidget1<QPushButton>(tr("Toggle Push Button"), "togglePushButton"); togglePushButton->setCheckable(true); togglePushButton->setChecked(true); - auto flatPushButton = createWidget1<QPushButton>(tr("Flat Push Button"), "flatPushButton"); + auto *flatPushButton = createWidget1<QPushButton>(tr("Flat Push Button"), "flatPushButton"); flatPushButton->setFlat(true); - auto toolButton = createWidget<QToolButton>("toolButton"); + auto *toolButton = createWidget<QToolButton>("toolButton"); toolButton->setText(tr("Tool Button")); - auto menuToolButton = createWidget<QToolButton>("menuButton"); + auto *menuToolButton = createWidget<QToolButton>("menuButton"); menuToolButton->setText(tr("Menu Button")); - auto toolMenu = new QMenu(menuToolButton); + auto *toolMenu = new QMenu(menuToolButton); menuToolButton->setPopupMode(QToolButton::InstantPopup); toolMenu->addAction("Option"); toolMenu->addSeparator(); - auto action = toolMenu->addAction("Checkable Option"); + auto *action = toolMenu->addAction("Checkable Option"); action->setCheckable(true); menuToolButton->setMenu(toolMenu); - auto toolLayout = new QHBoxLayout; + auto *toolLayout = new QHBoxLayout; toolLayout->addWidget(toolButton); toolLayout->addWidget(menuToolButton); - auto commandLinkButton = createWidget1<QCommandLinkButton>(tr("Command Link Button"), "commandLinkButton"); + auto *commandLinkButton = createWidget1<QCommandLinkButton>(tr("Command Link Button"), "commandLinkButton"); commandLinkButton->setDescription(tr("Description")); - auto buttonLayout = new QVBoxLayout; + auto *buttonLayout = new QVBoxLayout; buttonLayout->addWidget(defaultPushButton); buttonLayout->addWidget(togglePushButton); buttonLayout->addWidget(flatPushButton); @@ -264,23 +269,23 @@ QGroupBox *WidgetGallery::createButtonsGroupBox() buttonLayout->addWidget(commandLinkButton); buttonLayout->addStretch(1); - auto radioButton1 = createWidget1<QRadioButton>(tr("Radio button 1"), "radioButton1"); - auto radioButton2 = createWidget1<QRadioButton>(tr("Radio button 2"), "radioButton2"); - auto radioButton3 = createWidget1<QRadioButton>(tr("Radio button 3"), "radioButton3"); + auto *radioButton1 = createWidget1<QRadioButton>(tr("Radio button 1"), "radioButton1"); + auto *radioButton2 = createWidget1<QRadioButton>(tr("Radio button 2"), "radioButton2"); + auto *radioButton3 = createWidget1<QRadioButton>(tr("Radio button 3"), "radioButton3"); radioButton1->setChecked(true); - auto checkBox = createWidget1<QCheckBox>(tr("Tri-state check box"), "checkBox"); + auto *checkBox = createWidget1<QCheckBox>(tr("Tri-state check box"), "checkBox"); checkBox->setTristate(true); checkBox->setCheckState(Qt::PartiallyChecked); - auto checkableLayout = new QVBoxLayout; + auto *checkableLayout = new QVBoxLayout; checkableLayout->addWidget(radioButton1); checkableLayout->addWidget(radioButton2); checkableLayout->addWidget(radioButton3); checkableLayout->addWidget(checkBox); checkableLayout->addStretch(1); - auto mainLayout = new QHBoxLayout(result); + auto *mainLayout = new QHBoxLayout(result); mainLayout->addLayout(buttonLayout); mainLayout->addLayout(checkableLayout); mainLayout->addStretch(); @@ -289,8 +294,8 @@ QGroupBox *WidgetGallery::createButtonsGroupBox() static QWidget *embedIntoHBoxLayout(QWidget *w, int margin = 5) { - auto result = new QWidget; - auto layout = new QHBoxLayout(result); + auto *result = new QWidget; + auto *layout = new QHBoxLayout(result); layout->setContentsMargins(margin, margin, margin, margin); layout->addWidget(w); return result; @@ -298,7 +303,7 @@ static QWidget *embedIntoHBoxLayout(QWidget *w, int margin = 5) QToolBox *WidgetGallery::createTextToolBox() { - auto result = createWidget<QToolBox>("toolBox"); + auto *result = createWidget<QToolBox>("toolBox"); const QString plainText = tr("Twinkle, twinkle, little star,\n" "How I wonder what you are.\n" @@ -307,13 +312,13 @@ QToolBox *WidgetGallery::createTextToolBox() "Twinkle, twinkle, little star,\n" "How I wonder what you are!\n"); // Create centered/italic HTML rich text - QString richText = QLatin1String("<html><head/><body><i>"); - for (const auto &line : QStringView{ plainText }.split(QLatin1Char('\n'))) - richText += QString::fromLatin1("<center>%1</center>").arg(line); - richText += QLatin1String("</i></body></html>"); + QString richText = "<html><head/><body><i>"_L1; + for (const auto &line : QStringView{ plainText }.split(u'\n')) + richText += "<center>"_L1 + line + "</center>"_L1; + richText += "</i></body></html>"_L1; - auto textEdit = createWidget1<QTextEdit>(richText, "textEdit"); - auto plainTextEdit = createWidget1<QPlainTextEdit>(plainText, "plainTextEdit"); + auto *textEdit = createWidget1<QTextEdit>(richText, "textEdit"); + auto *plainTextEdit = createWidget1<QPlainTextEdit>(plainText, "plainTextEdit"); systemInfoTextBrowser = createWidget<QTextBrowser>("systemInfoTextBrowser"); @@ -325,28 +330,28 @@ QToolBox *WidgetGallery::createTextToolBox() QTabWidget *WidgetGallery::createItemViewTabWidget() { - auto result = createWidget<QTabWidget>("bottomLeftTabWidget"); + auto *result = createWidget<QTabWidget>("bottomLeftTabWidget"); result->setSizePolicy(QSizePolicy::Preferred, QSizePolicy::Ignored); - auto treeView = createWidget<QTreeView>("treeView"); - auto fileSystemModel = new QFileSystemModel(treeView); + auto *treeView = createWidget<QTreeView>("treeView"); + auto *fileSystemModel = new QFileSystemModel(treeView); fileSystemModel->setRootPath(QDir::rootPath()); treeView->setModel(fileSystemModel); - auto tableWidget = createWidget<QTableWidget>("tableWidget"); + auto *tableWidget = createWidget<QTableWidget>("tableWidget"); tableWidget->setRowCount(10); tableWidget->setColumnCount(10); - auto listModel = new QStandardItemModel(0, 1, result); - listModel->appendRow(new QStandardItem(QIcon(QLatin1String(":/qt-project.org/styles/commonstyle/images/diropen-128.png")), + auto *listModel = new QStandardItemModel(0, 1, result); + listModel->appendRow(new QStandardItem(QIcon(":/qt-project.org/styles/commonstyle/images/diropen-128.png"_L1), tr("Directory"))); - listModel->appendRow(new QStandardItem(QIcon(QLatin1String(":/qt-project.org/styles/commonstyle/images/computer-32.png")), + listModel->appendRow(new QStandardItem(QIcon(":/qt-project.org/styles/commonstyle/images/computer-32.png"_L1), tr("Computer"))); - auto listView = createWidget<QListView>("listView"); + auto *listView = createWidget<QListView>("listView"); listView->setModel(listModel); - auto iconModeListView = createWidget<QListView>("iconModeListView"); + auto *iconModeListView = createWidget<QListView>("iconModeListView"); iconModeListView->setViewMode(QListView::IconMode); iconModeListView->setModel(listModel); @@ -359,34 +364,34 @@ QTabWidget *WidgetGallery::createItemViewTabWidget() QGroupBox *WidgetGallery::createSimpleInputWidgetsGroupBox() { - auto result = createWidget1<QGroupBox>(tr("Simple Input Widgets"), "bottomRightGroupBox"); + auto *result = createWidget1<QGroupBox>(tr("Simple Input Widgets"), "bottomRightGroupBox"); result->setCheckable(true); result->setChecked(true); - auto lineEdit = createWidget1<QLineEdit>("s3cRe7", "lineEdit"); + auto *lineEdit = createWidget1<QLineEdit>("s3cRe7", "lineEdit"); lineEdit->setClearButtonEnabled(true); lineEdit->setEchoMode(QLineEdit::Password); - auto spinBox = createWidget<QSpinBox>("spinBox", result); + auto *spinBox = createWidget<QSpinBox>("spinBox", result); spinBox->setValue(50); - auto dateTimeEdit = createWidget<QDateTimeEdit>("dateTimeEdit", result); + auto *dateTimeEdit = createWidget<QDateTimeEdit>("dateTimeEdit", result); dateTimeEdit->setDateTime(QDateTime::currentDateTime()); - auto slider = createWidget<QSlider>("slider", result); + auto *slider = createWidget<QSlider>("slider", result); slider->setOrientation(Qt::Horizontal); slider->setValue(40); - auto scrollBar = createWidget<QScrollBar>("scrollBar", result); + auto *scrollBar = createWidget<QScrollBar>("scrollBar", result); scrollBar->setOrientation(Qt::Horizontal); setClassNameToolTip(scrollBar); scrollBar->setValue(60); - auto dial = createWidget<QDial>("dial", result); + auto *dial = createWidget<QDial>("dial", result); dial->setValue(30); dial->setNotchesVisible(true); - auto layout = new QGridLayout(result); + auto *layout = new QGridLayout(result); layout->addWidget(lineEdit, 0, 0, 1, 2); layout->addWidget(spinBox, 1, 0, 1, 2); layout->addWidget(dateTimeEdit, 2, 0, 1, 2); @@ -399,11 +404,11 @@ QGroupBox *WidgetGallery::createSimpleInputWidgetsGroupBox() QProgressBar *WidgetGallery::createProgressBar() { - auto result = createWidget<QProgressBar>("progressBar"); + auto *result = createWidget<QProgressBar>("progressBar"); result->setRange(0, 10000); result->setValue(0); - auto timer = new QTimer(this); + auto *timer = new QTimer(this); connect(timer, &QTimer::timeout, this, &WidgetGallery::advanceProgressBar); timer->start(1000); return result; @@ -414,11 +419,12 @@ void WidgetGallery::updateSystemInfo() QString systemInfo; QTextStream str(&systemInfo); str << "<html><head/><body><h3>Build</h3><p>" << QLibraryInfo::build() << "</p>" - << "<h3>Operating System</h3><p>" << QSysInfo::prettyProductName() << "</p>" + << "<h3>Operating System</h3><p>\"" << QSysInfo::prettyProductName() << "\" / " + << QGuiApplication::platformName() << "</p>" << "<h3>Screens</h3><p>High DPI scale factor rounding policy: " << highDpiScaleFactorRoundingPolicy() << "</p><ol>"; const auto screens = QGuiApplication::screens(); - for (auto screen : screens) { + for (const auto *screen : screens) { const bool current = screen == this->screen(); str << "<li>"; if (current) @@ -437,9 +443,9 @@ void WidgetGallery::updateSystemInfo() void WidgetGallery::helpOnCurrentWidget() { // Skip over internal widgets - for (auto w = QApplication::widgetAt(QCursor::pos(screen())); w; w = w->parentWidget()) { + for (const auto *w = QApplication::widgetAt(QCursor::pos(screen())); w; w = w->parentWidget()) { const QString name = w->objectName(); - if (!name.isEmpty() && !name.startsWith(QLatin1String("qt_"))) { + if (!name.isEmpty() && !name.startsWith("qt_"_L1)) { launchHelp(w); break; } |