diff options
Diffstat (limited to 'tests/manual/examples/widgets/widgets/icons')
25 files changed, 977 insertions, 0 deletions
diff --git a/tests/manual/examples/widgets/widgets/icons/CMakeLists.txt b/tests/manual/examples/widgets/widgets/icons/CMakeLists.txt new file mode 100644 index 0000000000..f36e47bef6 --- /dev/null +++ b/tests/manual/examples/widgets/widgets/icons/CMakeLists.txt @@ -0,0 +1,44 @@ +# Copyright (C) 2022 The Qt Company Ltd. +# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause + +cmake_minimum_required(VERSION 3.16) +project(icons LANGUAGES CXX) + +if(NOT DEFINED INSTALL_EXAMPLESDIR) + set(INSTALL_EXAMPLESDIR "examples") +endif() + +set(INSTALL_EXAMPLEDIR "${INSTALL_EXAMPLESDIR}/widgets/widgets/icons") + +find_package(Qt6 REQUIRED COMPONENTS Core Gui Widgets) + +qt_standard_project_setup() + +qt_add_executable(icons + iconpreviewarea.cpp iconpreviewarea.h + iconsizespinbox.cpp iconsizespinbox.h + imagedelegate.cpp imagedelegate.h + main.cpp + mainwindow.cpp mainwindow.h +) + +set_target_properties(icons PROPERTIES + WIN32_EXECUTABLE TRUE + MACOSX_BUNDLE TRUE +) + +target_compile_definitions(icons PRIVATE + SRCDIR="${CMAKE_CURRENT_SOURCE_DIR}" +) + +target_link_libraries(icons PRIVATE + Qt6::Core + Qt6::Gui + Qt6::Widgets +) + +install(TARGETS icons + RUNTIME DESTINATION "${INSTALL_EXAMPLEDIR}" + BUNDLE DESTINATION "${INSTALL_EXAMPLEDIR}" + LIBRARY DESTINATION "${INSTALL_EXAMPLEDIR}" +) diff --git a/tests/manual/examples/widgets/widgets/icons/iconpreviewarea.cpp b/tests/manual/examples/widgets/widgets/icons/iconpreviewarea.cpp new file mode 100644 index 0000000000..42a5fa7914 --- /dev/null +++ b/tests/manual/examples/widgets/widgets/icons/iconpreviewarea.cpp @@ -0,0 +1,130 @@ +// Copyright (C) 2016 The Qt Company Ltd. +// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause + +#include "iconpreviewarea.h" + +#include <QGridLayout> +#include <QLabel> +#include <QWindow> + +//! [0] +IconPreviewArea::IconPreviewArea(QWidget *parent) + : QWidget(parent) +{ + QGridLayout *mainLayout = new QGridLayout(this); + + for (int row = 0; row < NumStates; ++row) { + stateLabels[row] = createHeaderLabel(IconPreviewArea::iconStateNames().at(row)); + mainLayout->addWidget(stateLabels[row], row + 1, 0); + } + Q_ASSERT(NumStates == 2); + + for (int column = 0; column < NumModes; ++column) { + modeLabels[column] = createHeaderLabel(IconPreviewArea::iconModeNames().at(column)); + mainLayout->addWidget(modeLabels[column], 0, column + 1); + } + Q_ASSERT(NumModes == 4); + + for (int column = 0; column < NumModes; ++column) { + for (int row = 0; row < NumStates; ++row) { + pixmapLabels[column][row] = createPixmapLabel(); + mainLayout->addWidget(pixmapLabels[column][row], row + 1, column + 1); + } + } +} +//! [0] + +//! [42] +QList<QIcon::Mode> IconPreviewArea::iconModes() +{ + static const QList<QIcon::Mode> result = { QIcon::Normal, QIcon::Active, QIcon::Disabled, + QIcon::Selected }; + return result; +} + +QList<QIcon::State> IconPreviewArea::iconStates() +{ + static const QList<QIcon::State> result = { QIcon::Off, QIcon::On }; + return result; +} + +QStringList IconPreviewArea::iconModeNames() +{ + static const QStringList result = {tr("Normal"), tr("Active"), tr("Disabled"), tr("Selected")}; + return result; +} + +QStringList IconPreviewArea::iconStateNames() +{ + static const QStringList result = {tr("Off"), tr("On")}; + return result; +} +//! [42] + +//! [1] +void IconPreviewArea::setIcon(const QIcon &icon) +{ + this->icon = icon; + updatePixmapLabels(); +} +//! [1] + +//! [2] +void IconPreviewArea::setSize(const QSize &size) +{ + if (size != this->size) { + this->size = size; + updatePixmapLabels(); + } +} +//! [2] + +//! [3] +QLabel *IconPreviewArea::createHeaderLabel(const QString &text) +{ + QLabel *label = new QLabel(tr("<b>%1</b>").arg(text)); + label->setAlignment(Qt::AlignCenter); + return label; +} +//! [3] + +//! [4] +QLabel *IconPreviewArea::createPixmapLabel() +{ + QLabel *label = new QLabel; + label->setEnabled(false); + label->setAlignment(Qt::AlignCenter); + label->setFrameShape(QFrame::Box); + label->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding); + label->setBackgroundRole(QPalette::Base); + label->setAutoFillBackground(true); + label->setMinimumSize(132, 132); + return label; +} +//! [4] + +//! [5] +void IconPreviewArea::updatePixmapLabels() +{ + for (int column = 0; column < NumModes; ++column) { + for (int row = 0; row < NumStates; ++row) { + const QPixmap pixmap = + icon.pixmap(size, devicePixelRatio(), IconPreviewArea::iconModes().at(column), + IconPreviewArea::iconStates().at(row)); + QLabel *pixmapLabel = pixmapLabels[column][row]; + pixmapLabel->setPixmap(pixmap); + pixmapLabel->setEnabled(!pixmap.isNull()); + QString toolTip; + if (!pixmap.isNull()) { + const QSize actualSize = icon.actualSize(size); + toolTip = + tr("Size: %1x%2\nActual size: %3x%4\nDevice pixel ratio: %5") + .arg(size.width()).arg(size.height()) + .arg(actualSize.width()).arg(actualSize.height()) + .arg(pixmap.devicePixelRatio()); + } + pixmapLabel->setToolTip(toolTip); + } + } +} +//! [5] diff --git a/tests/manual/examples/widgets/widgets/icons/iconpreviewarea.h b/tests/manual/examples/widgets/widgets/icons/iconpreviewarea.h new file mode 100644 index 0000000000..c59ebc42ba --- /dev/null +++ b/tests/manual/examples/widgets/widgets/icons/iconpreviewarea.h @@ -0,0 +1,47 @@ +// Copyright (C) 2016 The Qt Company Ltd. +// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause + +#ifndef ICONPREVIEWAREA_H +#define ICONPREVIEWAREA_H + +#include <QIcon> +#include <QWidget> +#include <QStringList> +#include <QList> + +QT_BEGIN_NAMESPACE +class QLabel; +QT_END_NAMESPACE + +//! [0] +class IconPreviewArea : public QWidget +{ + Q_OBJECT + +public: + explicit IconPreviewArea(QWidget *parent = nullptr); + + void setIcon(const QIcon &icon); + void setSize(const QSize &size); + + static QList<QIcon::Mode> iconModes(); + static QList<QIcon::State> iconStates(); + static QStringList iconModeNames(); + static QStringList iconStateNames(); + +private: + QLabel *createHeaderLabel(const QString &text); + QLabel *createPixmapLabel(); + void updatePixmapLabels(); + + enum { NumModes = 4, NumStates = 2 }; + + QIcon icon; + QSize size; + QLabel *stateLabels[NumStates]; + QLabel *modeLabels[NumModes]; + QLabel *pixmapLabels[NumModes][NumStates]; +}; +//! [0] + +#endif diff --git a/tests/manual/examples/widgets/widgets/icons/icons.pro b/tests/manual/examples/widgets/widgets/icons/icons.pro new file mode 100644 index 0000000000..243ce6b092 --- /dev/null +++ b/tests/manual/examples/widgets/widgets/icons/icons.pro @@ -0,0 +1,20 @@ +QT += widgets +requires(qtConfig(combobox)) + +HEADERS = iconpreviewarea.h \ + iconsizespinbox.h \ + imagedelegate.h \ + mainwindow.h +SOURCES = iconpreviewarea.cpp \ + iconsizespinbox.cpp \ + imagedelegate.cpp \ + main.cpp \ + mainwindow.cpp + +DEFINES += SRCDIR=\\\"$$PWD/\\\" + +EXAMPLE_FILES = images/* + +# install +target.path = $$[QT_INSTALL_EXAMPLES]/widgets/widgets/icons +INSTALLS += target diff --git a/tests/manual/examples/widgets/widgets/icons/iconsizespinbox.cpp b/tests/manual/examples/widgets/widgets/icons/iconsizespinbox.cpp new file mode 100644 index 0000000000..16c88f4dd0 --- /dev/null +++ b/tests/manual/examples/widgets/widgets/icons/iconsizespinbox.cpp @@ -0,0 +1,33 @@ +// Copyright (C) 2016 The Qt Company Ltd. +// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause + +#include "iconsizespinbox.h" + +#include <QRegularExpression> + +//! [0] +IconSizeSpinBox::IconSizeSpinBox(QWidget *parent) + : QSpinBox(parent) +{ +} +//! [0] + +//! [1] +int IconSizeSpinBox::valueFromText(const QString &text) const +{ + static const QRegularExpression regExp(tr("(\\d+)(\\s*[xx]\\s*\\d+)?")); + Q_ASSERT(regExp.isValid()); + + const QRegularExpressionMatch match = regExp.match(text); + if (match.isValid()) + return match.captured(1).toInt(); + return 0; +} +//! [1] + +//! [2] +QString IconSizeSpinBox::textFromValue(int value) const +{ + return tr("%1 x %1").arg(value); +} +//! [2] diff --git a/tests/manual/examples/widgets/widgets/icons/iconsizespinbox.h b/tests/manual/examples/widgets/widgets/icons/iconsizespinbox.h new file mode 100644 index 0000000000..ac304b4794 --- /dev/null +++ b/tests/manual/examples/widgets/widgets/icons/iconsizespinbox.h @@ -0,0 +1,22 @@ +// Copyright (C) 2016 The Qt Company Ltd. +// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause + +#ifndef ICONSIZESPINBOX_H +#define ICONSIZESPINBOX_H + +#include <QSpinBox> + +//! [0] +class IconSizeSpinBox : public QSpinBox +{ + Q_OBJECT + +public: + explicit IconSizeSpinBox(QWidget *parent = nullptr); + + int valueFromText(const QString &text) const override; + QString textFromValue(int value) const override; +}; +//! [0] + +#endif diff --git a/tests/manual/examples/widgets/widgets/icons/imagedelegate.cpp b/tests/manual/examples/widgets/widgets/icons/imagedelegate.cpp new file mode 100644 index 0000000000..ec3c227c71 --- /dev/null +++ b/tests/manual/examples/widgets/widgets/icons/imagedelegate.cpp @@ -0,0 +1,64 @@ +// Copyright (C) 2016 The Qt Company Ltd. +// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause + +#include "imagedelegate.h" +#include "iconpreviewarea.h" + +#include <QComboBox> + +//! [0] +ImageDelegate::ImageDelegate(QObject *parent) + : QStyledItemDelegate(parent) +{} +//! [0] + +//! [1] +QWidget *ImageDelegate::createEditor(QWidget *parent, + const QStyleOptionViewItem & /* option */, + const QModelIndex &index) const +{ + QComboBox *comboBox = new QComboBox(parent); + if (index.column() == 1) + comboBox->addItems(IconPreviewArea::iconModeNames()); + else if (index.column() == 2) + comboBox->addItems(IconPreviewArea::iconStateNames()); + + connect(comboBox, &QComboBox::activated, + this, &ImageDelegate::emitCommitData); + + return comboBox; +} +//! [1] + +//! [2] +void ImageDelegate::setEditorData(QWidget *editor, + const QModelIndex &index) const +{ + QComboBox *comboBox = qobject_cast<QComboBox *>(editor); + if (!comboBox) + return; + + int pos = comboBox->findText(index.model()->data(index).toString(), + Qt::MatchExactly); + comboBox->setCurrentIndex(pos); +} +//! [2] + +//! [3] +void ImageDelegate::setModelData(QWidget *editor, QAbstractItemModel *model, + const QModelIndex &index) const +{ + QComboBox *comboBox = qobject_cast<QComboBox *>(editor); + if (!comboBox) + return; + + model->setData(index, comboBox->currentText()); +} +//! [3] + +//! [4] +void ImageDelegate::emitCommitData() +{ + emit commitData(qobject_cast<QWidget *>(sender())); +} +//! [4] diff --git a/tests/manual/examples/widgets/widgets/icons/imagedelegate.h b/tests/manual/examples/widgets/widgets/icons/imagedelegate.h new file mode 100644 index 0000000000..29707e68c6 --- /dev/null +++ b/tests/manual/examples/widgets/widgets/icons/imagedelegate.h @@ -0,0 +1,31 @@ +// Copyright (C) 2016 The Qt Company Ltd. +// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause + +#ifndef IMAGEDELEGATE_H +#define IMAGEDELEGATE_H + +#include <QStyledItemDelegate> + +//! [0] +class ImageDelegate : public QStyledItemDelegate +{ + Q_OBJECT + +public: + explicit ImageDelegate(QObject *parent = nullptr); +//! [0] + +//! [1] + QWidget *createEditor(QWidget *parent, const QStyleOptionViewItem &option, + const QModelIndex &index) const override; + void setEditorData(QWidget *editor, const QModelIndex &index) const override; + void setModelData(QWidget *editor, QAbstractItemModel *model, + const QModelIndex &index) const override; + +//! [1] //! [2] +private slots: + void emitCommitData(); +//! [2] +}; + +#endif diff --git a/tests/manual/examples/widgets/widgets/icons/images/designer.png b/tests/manual/examples/widgets/widgets/icons/images/designer.png Binary files differnew file mode 100644 index 0000000000..9f8578b49e --- /dev/null +++ b/tests/manual/examples/widgets/widgets/icons/images/designer.png diff --git a/tests/manual/examples/widgets/widgets/icons/images/find_disabled.png b/tests/manual/examples/widgets/widgets/icons/images/find_disabled.png Binary files differnew file mode 100644 index 0000000000..e85e33fe05 --- /dev/null +++ b/tests/manual/examples/widgets/widgets/icons/images/find_disabled.png diff --git a/tests/manual/examples/widgets/widgets/icons/images/find_normal.png b/tests/manual/examples/widgets/widgets/icons/images/find_normal.png Binary files differnew file mode 100644 index 0000000000..728c27f905 --- /dev/null +++ b/tests/manual/examples/widgets/widgets/icons/images/find_normal.png diff --git a/tests/manual/examples/widgets/widgets/icons/images/monkey_off_128x128.png b/tests/manual/examples/widgets/widgets/icons/images/monkey_off_128x128.png Binary files differnew file mode 100644 index 0000000000..f878267287 --- /dev/null +++ b/tests/manual/examples/widgets/widgets/icons/images/monkey_off_128x128.png diff --git a/tests/manual/examples/widgets/widgets/icons/images/monkey_off_16x16.png b/tests/manual/examples/widgets/widgets/icons/images/monkey_off_16x16.png Binary files differnew file mode 100644 index 0000000000..0ac57d7d4f --- /dev/null +++ b/tests/manual/examples/widgets/widgets/icons/images/monkey_off_16x16.png diff --git a/tests/manual/examples/widgets/widgets/icons/images/monkey_off_32x32.png b/tests/manual/examples/widgets/widgets/icons/images/monkey_off_32x32.png Binary files differnew file mode 100644 index 0000000000..1f7fab694c --- /dev/null +++ b/tests/manual/examples/widgets/widgets/icons/images/monkey_off_32x32.png diff --git a/tests/manual/examples/widgets/widgets/icons/images/monkey_off_64x64.png b/tests/manual/examples/widgets/widgets/icons/images/monkey_off_64x64.png Binary files differnew file mode 100644 index 0000000000..47d8f6de35 --- /dev/null +++ b/tests/manual/examples/widgets/widgets/icons/images/monkey_off_64x64.png diff --git a/tests/manual/examples/widgets/widgets/icons/images/monkey_on_128x128.png b/tests/manual/examples/widgets/widgets/icons/images/monkey_on_128x128.png Binary files differnew file mode 100644 index 0000000000..8e1c7468bf --- /dev/null +++ b/tests/manual/examples/widgets/widgets/icons/images/monkey_on_128x128.png diff --git a/tests/manual/examples/widgets/widgets/icons/images/monkey_on_16x16.png b/tests/manual/examples/widgets/widgets/icons/images/monkey_on_16x16.png Binary files differnew file mode 100644 index 0000000000..082e8527f1 --- /dev/null +++ b/tests/manual/examples/widgets/widgets/icons/images/monkey_on_16x16.png diff --git a/tests/manual/examples/widgets/widgets/icons/images/monkey_on_32x32.png b/tests/manual/examples/widgets/widgets/icons/images/monkey_on_32x32.png Binary files differnew file mode 100644 index 0000000000..bf9acc6cae --- /dev/null +++ b/tests/manual/examples/widgets/widgets/icons/images/monkey_on_32x32.png diff --git a/tests/manual/examples/widgets/widgets/icons/images/monkey_on_64x64.png b/tests/manual/examples/widgets/widgets/icons/images/monkey_on_64x64.png Binary files differnew file mode 100644 index 0000000000..990f604d98 --- /dev/null +++ b/tests/manual/examples/widgets/widgets/icons/images/monkey_on_64x64.png diff --git a/tests/manual/examples/widgets/widgets/icons/images/qt_extended_16x16.png b/tests/manual/examples/widgets/widgets/icons/images/qt_extended_16x16.png Binary files differnew file mode 100644 index 0000000000..30bcb45ed2 --- /dev/null +++ b/tests/manual/examples/widgets/widgets/icons/images/qt_extended_16x16.png diff --git a/tests/manual/examples/widgets/widgets/icons/images/qt_extended_32x32.png b/tests/manual/examples/widgets/widgets/icons/images/qt_extended_32x32.png Binary files differnew file mode 100644 index 0000000000..d609c1e1e5 --- /dev/null +++ b/tests/manual/examples/widgets/widgets/icons/images/qt_extended_32x32.png diff --git a/tests/manual/examples/widgets/widgets/icons/images/qt_extended_48x48.png b/tests/manual/examples/widgets/widgets/icons/images/qt_extended_48x48.png Binary files differnew file mode 100644 index 0000000000..0e524fed5f --- /dev/null +++ b/tests/manual/examples/widgets/widgets/icons/images/qt_extended_48x48.png diff --git a/tests/manual/examples/widgets/widgets/icons/main.cpp b/tests/manual/examples/widgets/widgets/icons/main.cpp new file mode 100644 index 0000000000..b7ed18ff94 --- /dev/null +++ b/tests/manual/examples/widgets/widgets/icons/main.cpp @@ -0,0 +1,34 @@ +// Copyright (C) 2016 The Qt Company Ltd. +// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause + +#include <QApplication> +#include <QCommandLineParser> +#include <QScreen> + +#include "mainwindow.h" + +//! [45] +int main(int argc, char *argv[]) +{ + QApplication app(argc, argv); + QCoreApplication::setApplicationName(MainWindow::tr("Icons")); + QCoreApplication::setApplicationVersion(QT_VERSION_STR); + QCommandLineParser commandLineParser; + commandLineParser.setSingleDashWordOptionMode(QCommandLineParser::ParseAsLongOptions); + commandLineParser.addHelpOption(); + commandLineParser.addVersionOption(); + commandLineParser.addPositionalArgument(MainWindow::tr("[file]"), MainWindow::tr("Icon file(s) to open.")); + commandLineParser.process(QCoreApplication::arguments()); + + MainWindow mainWin; + if (!commandLineParser.positionalArguments().isEmpty()) + mainWin.loadImages(commandLineParser.positionalArguments()); + + const QRect availableGeometry = mainWin.screen()->availableGeometry(); + mainWin.resize(availableGeometry.width() / 2, availableGeometry.height() * 2 / 3); + mainWin.move((availableGeometry.width() - mainWin.width()) / 2, (availableGeometry.height() - mainWin.height()) / 2); + + mainWin.show(); + return app.exec(); +} +//! [45] diff --git a/tests/manual/examples/widgets/widgets/icons/mainwindow.cpp b/tests/manual/examples/widgets/widgets/icons/mainwindow.cpp new file mode 100644 index 0000000000..f893575f76 --- /dev/null +++ b/tests/manual/examples/widgets/widgets/icons/mainwindow.cpp @@ -0,0 +1,478 @@ +// Copyright (C) 2016 The Qt Company Ltd. +// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause + +#include "mainwindow.h" +#include "iconpreviewarea.h" +#include "iconsizespinbox.h" +#include "imagedelegate.h" + +#include <QActionGroup> +#include <QApplication> +#include <QButtonGroup> +#include <QCheckBox> +#include <QFileDialog> +#include <QHeaderView> +#include <QFormLayout> +#include <QGridLayout> +#include <QGroupBox> +#include <QImageReader> +#include <QLabel> +#include <QMenuBar> +#include <QMessageBox> +#include <QRadioButton> +#include <QScreen> +#include <QStandardPaths> +#include <QStyleFactory> +#include <QTableWidget> +#include <QWindow> + +//! [40] +enum { OtherSize = QStyle::PM_CustomBase }; +//! [40] + +//! [0] +MainWindow::MainWindow(QWidget *parent) + : QMainWindow(parent) +{ + QWidget *centralWidget = new QWidget(this); + setCentralWidget(centralWidget); + + createActions(); + + QGridLayout *mainLayout = new QGridLayout(centralWidget); + + QGroupBox *previewGroupBox = new QGroupBox(tr("Preview")); + previewArea = new IconPreviewArea(previewGroupBox); + QVBoxLayout *previewLayout = new QVBoxLayout(previewGroupBox); + previewLayout->addWidget(previewArea); + + mainLayout->addWidget(previewGroupBox, 0, 0, 1, 2); + mainLayout->addWidget(createImagesGroupBox(), 1, 0); + QVBoxLayout *vBox = new QVBoxLayout; + vBox->addWidget(createIconSizeGroupBox()); + vBox->addWidget(createHighDpiIconSizeGroupBox()); + vBox->addItem(new QSpacerItem(0, 0, QSizePolicy::Ignored, QSizePolicy::MinimumExpanding)); + mainLayout->addLayout(vBox, 1, 1); + createContextMenu(); + + setWindowTitle(tr("Icons")); + checkCurrentStyle(); + sizeButtonGroup->button(OtherSize)->click(); +} +//! [0] + +//! [44] +void MainWindow::show() +{ + QMainWindow::show(); + connect(windowHandle(), &QWindow::screenChanged, this, &MainWindow::screenChanged); + screenChanged(); +} +//! [44] + +//! [1] +void MainWindow::about() +{ + QMessageBox::about(this, tr("About Icons"), + tr("The <b>Icons</b> example illustrates how Qt renders an icon in " + "different modes (active, normal, disabled, and selected) and " + "states (on and off) based on a set of images.")); +} +//! [1] + +//! [2] +void MainWindow::changeStyle(bool checked) +{ + if (!checked) + return; + + const QAction *action = qobject_cast<QAction *>(sender()); +//! [2] //! [3] + QStyle *style = QStyleFactory::create(action->data().toString()); +//! [3] //! [4] + Q_ASSERT(style); + QApplication::setStyle(style); + + const QList<QAbstractButton*> buttons = sizeButtonGroup->buttons(); + for (QAbstractButton *button : buttons) { + const QStyle::PixelMetric metric = static_cast<QStyle::PixelMetric>(sizeButtonGroup->id(button)); + const int value = style->pixelMetric(metric); + switch (metric) { + case QStyle::PM_SmallIconSize: + button->setText(tr("Small (%1 x %1)").arg(value)); + break; + case QStyle::PM_LargeIconSize: + button->setText(tr("Large (%1 x %1)").arg(value)); + break; + case QStyle::PM_ToolBarIconSize: + button->setText(tr("Toolbars (%1 x %1)").arg(value)); + break; + case QStyle::PM_ListViewIconSize: + button->setText(tr("List views (%1 x %1)").arg(value)); + break; + case QStyle::PM_IconViewIconSize: + button->setText(tr("Icon views (%1 x %1)").arg(value)); + break; + case QStyle::PM_TabBarIconSize: + button->setText(tr("Tab bars (%1 x %1)").arg(value)); + break; + default: + break; + } + } + + triggerChangeSize(); +} +//! [4] + +//! [5] +void MainWindow::changeSize(QAbstractButton *button, bool checked) +{ + if (!checked) + return; + + const int index = sizeButtonGroup->id(button); + const bool other = index == int(OtherSize); + const int extent = other + ? otherSpinBox->value() + : QApplication::style()->pixelMetric(static_cast<QStyle::PixelMetric>(index)); + + previewArea->setSize(QSize(extent, extent)); + otherSpinBox->setEnabled(other); +} + +void MainWindow::triggerChangeSize() +{ + changeSize(sizeButtonGroup->checkedButton(), true); +} +//! [5] + +//! [6] +void MainWindow::changeIcon() +{ + QIcon icon; + + for (int row = 0; row < imagesTable->rowCount(); ++row) { + const QTableWidgetItem *fileItem = imagesTable->item(row, 0); + const QTableWidgetItem *modeItem = imagesTable->item(row, 1); + const QTableWidgetItem *stateItem = imagesTable->item(row, 2); + + if (fileItem->checkState() == Qt::Checked) { + const int modeIndex = IconPreviewArea::iconModeNames().indexOf(modeItem->text()); + Q_ASSERT(modeIndex >= 0); + const int stateIndex = IconPreviewArea::iconStateNames().indexOf(stateItem->text()); + Q_ASSERT(stateIndex >= 0); + const QIcon::Mode mode = IconPreviewArea::iconModes().at(modeIndex); + const QIcon::State state = IconPreviewArea::iconStates().at(stateIndex); +//! [6] + +//! [8] + const QString fileName = fileItem->data(Qt::UserRole).toString(); + QImage image(fileName); + if (!image.isNull()) + icon.addPixmap(QPixmap::fromImage(image), mode, state); +//! [8] + } + } +//! [11] + previewArea->setIcon(icon); +//! [11] +} + +void MainWindow::addSampleImages() +{ + addImages(QLatin1String(SRCDIR) + QLatin1String("/images")); +} + +void MainWindow::addOtherImages() +{ + static bool firstInvocation = true; + QString directory; + if (firstInvocation) { + firstInvocation = false; + directory = QStandardPaths::standardLocations(QStandardPaths::PicturesLocation).value(0, QString()); + } + addImages(directory); +} + +//! [12] +void MainWindow::addImages(const QString &directory) +{ + QFileDialog fileDialog(this, tr("Open Images"), directory); + QStringList mimeTypeFilters; + const QList<QByteArray> mimeTypes = QImageReader::supportedMimeTypes(); + for (const QByteArray &mimeTypeName : mimeTypes) + mimeTypeFilters.append(mimeTypeName); + mimeTypeFilters.sort(); + fileDialog.setMimeTypeFilters(mimeTypeFilters); + fileDialog.selectMimeTypeFilter(QLatin1String("image/png")); + fileDialog.setAcceptMode(QFileDialog::AcceptOpen); + fileDialog.setFileMode(QFileDialog::ExistingFiles); + if (!nativeFileDialogAct->isChecked()) + fileDialog.setOption(QFileDialog::DontUseNativeDialog); + if (fileDialog.exec() == QDialog::Accepted) + loadImages(fileDialog.selectedFiles()); +//! [12] +} + +void MainWindow::loadImages(const QStringList &fileNames) +{ + for (const QString &fileName : fileNames) { + const int row = imagesTable->rowCount(); + imagesTable->setRowCount(row + 1); +//! [13] + const QFileInfo fileInfo(fileName); + const QString imageName = fileInfo.baseName(); + const QString fileName2x = fileInfo.absolutePath() + + QLatin1Char('/') + imageName + QLatin1String("@2x.") + fileInfo.suffix(); + const QFileInfo fileInfo2x(fileName2x); + const QImage image(fileName); + const QString toolTip = + tr("Directory: %1\nFile: %2\nFile@2x: %3\nSize: %4x%5") + .arg(QDir::toNativeSeparators(fileInfo.absolutePath()), fileInfo.fileName()) + .arg(fileInfo2x.exists() ? fileInfo2x.fileName() : tr("<None>")) + .arg(image.width()).arg(image.height()); + QTableWidgetItem *fileItem = new QTableWidgetItem(imageName); + fileItem->setData(Qt::UserRole, fileName); + fileItem->setIcon(QPixmap::fromImage(image)); + fileItem->setFlags((fileItem->flags() | Qt::ItemIsUserCheckable) & ~Qt::ItemIsEditable); + fileItem->setToolTip(toolTip); +//! [13] + +//! [15] + QIcon::Mode mode = QIcon::Normal; + QIcon::State state = QIcon::Off; + if (guessModeStateAct->isChecked()) { + if (imageName.contains(QLatin1String("_act"), Qt::CaseInsensitive)) + mode = QIcon::Active; + else if (imageName.contains(QLatin1String("_dis"), Qt::CaseInsensitive)) + mode = QIcon::Disabled; + else if (imageName.contains(QLatin1String("_sel"), Qt::CaseInsensitive)) + mode = QIcon::Selected; + + if (imageName.contains(QLatin1String("_on"), Qt::CaseInsensitive)) + state = QIcon::On; +//! [15] + } + +//! [18] + imagesTable->setItem(row, 0, fileItem); + QTableWidgetItem *modeItem = + new QTableWidgetItem(IconPreviewArea::iconModeNames().at(IconPreviewArea::iconModes().indexOf(mode))); + modeItem->setToolTip(toolTip); + imagesTable->setItem(row, 1, modeItem); + QTableWidgetItem *stateItem = + new QTableWidgetItem(IconPreviewArea::iconStateNames().at(IconPreviewArea::iconStates().indexOf(state))); + stateItem->setToolTip(toolTip); + imagesTable->setItem(row, 2, stateItem); + imagesTable->openPersistentEditor(modeItem); + imagesTable->openPersistentEditor(stateItem); + + fileItem->setCheckState(Qt::Checked); +//! [18] + } +} + +//! [20] +void MainWindow::removeAllImages() +{ + imagesTable->setRowCount(0); + changeIcon(); +} +//! [20] + +//! [21] +QWidget *MainWindow::createImagesGroupBox() +{ + QGroupBox *imagesGroupBox = new QGroupBox(tr("Images")); + + imagesTable = new QTableWidget; + imagesTable->setSelectionMode(QAbstractItemView::NoSelection); + imagesTable->setItemDelegate(new ImageDelegate(this)); +//! [21] + +//! [22] + const QStringList labels({tr("Image"), tr("Mode"), tr("State")}); + + imagesTable->horizontalHeader()->setDefaultSectionSize(90); + imagesTable->setColumnCount(3); + imagesTable->setHorizontalHeaderLabels(labels); + imagesTable->horizontalHeader()->setSectionResizeMode(0, QHeaderView::Stretch); + imagesTable->horizontalHeader()->setSectionResizeMode(1, QHeaderView::Fixed); + imagesTable->horizontalHeader()->setSectionResizeMode(2, QHeaderView::Fixed); + imagesTable->verticalHeader()->hide(); +//! [22] + +//! [24] + connect(imagesTable, &QTableWidget::itemChanged, + this, &MainWindow::changeIcon); + + QVBoxLayout *layout = new QVBoxLayout(imagesGroupBox); + layout->addWidget(imagesTable); + return imagesGroupBox; +//! [24] +} + +//! [26] +QWidget *MainWindow::createIconSizeGroupBox() +{ + QGroupBox *iconSizeGroupBox = new QGroupBox(tr("Icon Size")); + + sizeButtonGroup = new QButtonGroup(this); + sizeButtonGroup->setExclusive(true); + + connect(sizeButtonGroup, &QButtonGroup::buttonToggled, + this, &MainWindow::changeSize); + + QRadioButton *smallRadioButton = new QRadioButton; + sizeButtonGroup->addButton(smallRadioButton, QStyle::PM_SmallIconSize); + QRadioButton *largeRadioButton = new QRadioButton; + sizeButtonGroup->addButton(largeRadioButton, QStyle::PM_LargeIconSize); + QRadioButton *toolBarRadioButton = new QRadioButton; + sizeButtonGroup->addButton(toolBarRadioButton, QStyle::PM_ToolBarIconSize); + QRadioButton *listViewRadioButton = new QRadioButton; + sizeButtonGroup->addButton(listViewRadioButton, QStyle::PM_ListViewIconSize); + QRadioButton *iconViewRadioButton = new QRadioButton; + sizeButtonGroup->addButton(iconViewRadioButton, QStyle::PM_IconViewIconSize); + QRadioButton *tabBarRadioButton = new QRadioButton; + sizeButtonGroup->addButton(tabBarRadioButton, QStyle::PM_TabBarIconSize); + QRadioButton *otherRadioButton = new QRadioButton(tr("Other:")); + sizeButtonGroup->addButton(otherRadioButton, OtherSize); + otherSpinBox = new IconSizeSpinBox; + otherSpinBox->setRange(8, 256); + const QString spinBoxToolTip = + tr("Enter a custom size within %1..%2") + .arg(otherSpinBox->minimum()).arg(otherSpinBox->maximum()); + otherSpinBox->setValue(64); + otherSpinBox->setToolTip(spinBoxToolTip); + otherRadioButton->setToolTip(spinBoxToolTip); +//! [26] + +//! [27] + connect(otherSpinBox, &QSpinBox::valueChanged, + this, &MainWindow::triggerChangeSize); + + QHBoxLayout *otherSizeLayout = new QHBoxLayout; + otherSizeLayout->addWidget(otherRadioButton); + otherSizeLayout->addWidget(otherSpinBox); + otherSizeLayout->addStretch(); + + QGridLayout *layout = new QGridLayout(iconSizeGroupBox); + layout->addWidget(smallRadioButton, 0, 0); + layout->addWidget(largeRadioButton, 1, 0); + layout->addWidget(toolBarRadioButton, 2, 0); + layout->addWidget(listViewRadioButton, 0, 1); + layout->addWidget(iconViewRadioButton, 1, 1); + layout->addWidget(tabBarRadioButton, 2, 1); + layout->addLayout(otherSizeLayout, 3, 0, 1, 2); + layout->setRowStretch(4, 1); + return iconSizeGroupBox; +//! [27] +} + +void MainWindow::screenChanged() +{ + devicePixelRatioLabel->setText(QString::number(devicePixelRatio())); + if (const QWindow *window = windowHandle()) { + const QScreen *screen = window->screen(); + const QString screenDescription = + tr("\"%1\" (%2x%3)").arg(screen->name()) + .arg(screen->geometry().width()).arg(screen->geometry().height()); + screenNameLabel->setText(screenDescription); + } + changeIcon(); +} + +QWidget *MainWindow::createHighDpiIconSizeGroupBox() +{ + QGroupBox *highDpiGroupBox = new QGroupBox(tr("High DPI Scaling")); + QFormLayout *layout = new QFormLayout(highDpiGroupBox); + devicePixelRatioLabel = new QLabel(highDpiGroupBox); + screenNameLabel = new QLabel(highDpiGroupBox); + layout->addRow(tr("Screen:"), screenNameLabel); + layout->addRow(tr("Device pixel ratio:"), devicePixelRatioLabel); + return highDpiGroupBox; +} + +//! [28] +void MainWindow::createActions() +{ + QMenu *fileMenu = menuBar()->addMenu(tr("&File")); + + addSampleImagesAct = new QAction(tr("Add &Sample Images..."), this); + addSampleImagesAct->setShortcut(tr("Ctrl+A")); + connect(addSampleImagesAct, &QAction::triggered, this, &MainWindow::addSampleImages); + fileMenu->addAction(addSampleImagesAct); + + addOtherImagesAct = new QAction(tr("&Add Images..."), this); + addOtherImagesAct->setShortcut(QKeySequence::Open); + connect(addOtherImagesAct, &QAction::triggered, this, &MainWindow::addOtherImages); + fileMenu->addAction(addOtherImagesAct); + + removeAllImagesAct = new QAction(tr("&Remove All Images"), this); + removeAllImagesAct->setShortcut(tr("Ctrl+R")); + connect(removeAllImagesAct, &QAction::triggered, + this, &MainWindow::removeAllImages); + fileMenu->addAction(removeAllImagesAct); + + fileMenu->addSeparator(); + + QAction *exitAct = fileMenu->addAction(tr("&Quit"), qApp, &QCoreApplication::quit); + exitAct->setShortcuts(QKeySequence::Quit); + + QMenu *viewMenu = menuBar()->addMenu(tr("&View")); + + styleActionGroup = new QActionGroup(this); + const QStringList styleKeys = QStyleFactory::keys(); + for (const QString &styleName : styleKeys) { + QAction *action = new QAction(tr("%1 Style").arg(styleName), styleActionGroup); + action->setData(styleName); + action->setCheckable(true); + connect(action, &QAction::triggered, this, &MainWindow::changeStyle); + viewMenu->addAction(action); + } + + QMenu *settingsMenu = menuBar()->addMenu(tr("&Settings")); + + guessModeStateAct = new QAction(tr("&Guess Image Mode/State"), this); + guessModeStateAct->setCheckable(true); + guessModeStateAct->setChecked(true); + settingsMenu->addAction(guessModeStateAct); + + nativeFileDialogAct = new QAction(tr("&Use Native File Dialog"), this); + nativeFileDialogAct->setCheckable(true); + nativeFileDialogAct->setChecked(true); + settingsMenu->addAction(nativeFileDialogAct); + + QMenu *helpMenu = menuBar()->addMenu(tr("&Help")); + helpMenu->addAction(tr("&About"), this, &MainWindow::about); + helpMenu->addAction(tr("About &Qt"), qApp, &QApplication::aboutQt); +} +//! [28] + +//! [30] +void MainWindow::createContextMenu() +{ + imagesTable->setContextMenuPolicy(Qt::ActionsContextMenu); + imagesTable->addAction(addSampleImagesAct); + imagesTable->addAction(addOtherImagesAct); + imagesTable->addAction(removeAllImagesAct); +} +//! [30] + +//! [31] +void MainWindow::checkCurrentStyle() +{ + const QList<QAction *> actions = styleActionGroup->actions(); + for (QAction *action : actions) { + const QString styleName = action->data().toString(); + const std::unique_ptr<QStyle> candidate{QStyleFactory::create(styleName)}; + Q_ASSERT(candidate); + if (candidate->metaObject()->className() + == QApplication::style()->metaObject()->className()) { + action->trigger(); + return; + } + } +} +//! [31] diff --git a/tests/manual/examples/widgets/widgets/icons/mainwindow.h b/tests/manual/examples/widgets/widgets/icons/mainwindow.h new file mode 100644 index 0000000000..fb6e0493f7 --- /dev/null +++ b/tests/manual/examples/widgets/widgets/icons/mainwindow.h @@ -0,0 +1,74 @@ +// Copyright (C) 2016 The Qt Company Ltd. +// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause + +#ifndef MAINWINDOW_H +#define MAINWINDOW_H + +#include <QIcon> +#include <QList> +#include <QMainWindow> +#include <QPixmap> + +QT_BEGIN_NAMESPACE +class QAction; +class QActionGroup; +class QLabel; +class QButtonGroup; +class QTableWidget; +class QAbstractButton; +QT_END_NAMESPACE +class IconPreviewArea; +class IconSizeSpinBox; + +//! [0] +class MainWindow : public QMainWindow +{ + Q_OBJECT + +public: + MainWindow(QWidget *parent = nullptr); + + void loadImages(const QStringList &fileNames); + + void show(); + +private slots: + void about(); + void changeStyle(bool checked); + void changeSize(QAbstractButton *button, bool); + void triggerChangeSize(); + void changeIcon(); + void addSampleImages(); + void addOtherImages(); + void removeAllImages(); + void screenChanged(); + +private: + QWidget *createImagesGroupBox(); + QWidget *createIconSizeGroupBox(); + QWidget *createHighDpiIconSizeGroupBox(); + void createActions(); + void createContextMenu(); + void checkCurrentStyle(); + void addImages(const QString &directory); + + IconPreviewArea *previewArea; + + QTableWidget *imagesTable; + + QButtonGroup *sizeButtonGroup; + IconSizeSpinBox *otherSpinBox; + + QLabel *devicePixelRatioLabel; + QLabel *screenNameLabel; + + QAction *addOtherImagesAct; + QAction *addSampleImagesAct; + QAction *removeAllImagesAct; + QAction *guessModeStateAct; + QAction *nativeFileDialogAct; + QActionGroup *styleActionGroup; +}; +//! [0] + +#endif |