diff options
Diffstat (limited to 'examples/widgets/tools/plugandpaint/app')
-rw-r--r-- | examples/widgets/tools/plugandpaint/app/CMakeLists.txt | 29 | ||||
-rw-r--r-- | examples/widgets/tools/plugandpaint/app/app.pro | 37 | ||||
-rw-r--r-- | examples/widgets/tools/plugandpaint/app/interfaces.h | 76 | ||||
-rw-r--r-- | examples/widgets/tools/plugandpaint/app/main.cpp | 19 | ||||
-rw-r--r-- | examples/widgets/tools/plugandpaint/app/mainwindow.cpp | 282 | ||||
-rw-r--r-- | examples/widgets/tools/plugandpaint/app/mainwindow.h | 68 | ||||
-rw-r--r-- | examples/widgets/tools/plugandpaint/app/paintarea.cpp | 152 | ||||
-rw-r--r-- | examples/widgets/tools/plugandpaint/app/paintarea.h | 54 | ||||
-rw-r--r-- | examples/widgets/tools/plugandpaint/app/plugindialog.cpp | 118 | ||||
-rw-r--r-- | examples/widgets/tools/plugandpaint/app/plugindialog.h | 38 |
10 files changed, 0 insertions, 873 deletions
diff --git a/examples/widgets/tools/plugandpaint/app/CMakeLists.txt b/examples/widgets/tools/plugandpaint/app/CMakeLists.txt deleted file mode 100644 index f2b5b4937f..0000000000 --- a/examples/widgets/tools/plugandpaint/app/CMakeLists.txt +++ /dev/null @@ -1,29 +0,0 @@ -qt_add_executable(plugandpaint - interfaces.h - main.cpp - mainwindow.cpp mainwindow.h - paintarea.cpp paintarea.h - plugindialog.cpp plugindialog.h -) - -set_target_properties(plugandpaint PROPERTIES - WIN32_EXECUTABLE TRUE - MACOSX_BUNDLE TRUE -) - -target_link_libraries(plugandpaint PRIVATE - Qt::Widgets - pnp_basictools -) - -if(NOT QT6_IS_SHARED_LIBS_BUILD) - target_link_libraries(plugandpaint PRIVATE - pnp_extrafilters - ) -endif() - -install(TARGETS plugandpaint - RUNTIME DESTINATION "${INSTALL_EXAMPLEDIR}" - BUNDLE DESTINATION "${INSTALL_EXAMPLEDIR}" - LIBRARY DESTINATION "${INSTALL_EXAMPLEDIR}" -) diff --git a/examples/widgets/tools/plugandpaint/app/app.pro b/examples/widgets/tools/plugandpaint/app/app.pro deleted file mode 100644 index e5ff02ecf2..0000000000 --- a/examples/widgets/tools/plugandpaint/app/app.pro +++ /dev/null @@ -1,37 +0,0 @@ -#! [0] -TARGET = plugandpaint -DESTDIR = .. - -QT += widgets - -HEADERS = interfaces.h \ - mainwindow.h \ - paintarea.h \ - plugindialog.h -SOURCES = main.cpp \ - mainwindow.cpp \ - paintarea.cpp \ - plugindialog.cpp - -LIBS = -L../plugins - -macx-xcode { - LIBS += -lpnp_basictools$($${QMAKE_XCODE_LIBRARY_SUFFIX_SETTING}) -} else { - android { - LIBS += -lpnp_basictools_$${QT_ARCH} - } else { - LIBS += -lpnp_basictools - } - if(!debug_and_release|build_pass):CONFIG(debug, debug|release) { - mac:LIBS = $$member(LIBS, 0) $$member(LIBS, 1)_debug - win32:LIBS = $$member(LIBS, 0) $$member(LIBS, 1)d - } -} -#! [0] - -# install -target.path = $$[QT_INSTALL_EXAMPLES]/widgets/tools/plugandpaint -INSTALLS += target - -CONFIG += install_ok # Do not cargo-cult this! diff --git a/examples/widgets/tools/plugandpaint/app/interfaces.h b/examples/widgets/tools/plugandpaint/app/interfaces.h deleted file mode 100644 index 9cd0e34fda..0000000000 --- a/examples/widgets/tools/plugandpaint/app/interfaces.h +++ /dev/null @@ -1,76 +0,0 @@ -// Copyright (C) 2016 The Qt Company Ltd. -// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause - -#ifndef INTERFACES_H -#define INTERFACES_H - -#include <QtPlugin> - -QT_BEGIN_NAMESPACE -class QImage; -class QPainter; -class QWidget; -class QPainterPath; -class QPoint; -class QRect; -class QString; -QT_END_NAMESPACE - -//! [0] -class BrushInterface -{ -public: - virtual ~BrushInterface() = default; - - virtual QStringList brushes() const = 0; - virtual QRect mousePress(const QString &brush, QPainter &painter, - const QPoint &pos) = 0; - virtual QRect mouseMove(const QString &brush, QPainter &painter, - const QPoint &oldPos, const QPoint &newPos) = 0; - virtual QRect mouseRelease(const QString &brush, QPainter &painter, - const QPoint &pos) = 0; -}; -//! [0] - -//! [1] -class ShapeInterface -{ -public: - virtual ~ShapeInterface() = default; - - virtual QStringList shapes() const = 0; - virtual QPainterPath generateShape(const QString &shape, - QWidget *parent) = 0; -}; -//! [1] - -//! [2] -class FilterInterface -{ -public: - virtual ~FilterInterface() = default; - - virtual QStringList filters() const = 0; - virtual QImage filterImage(const QString &filter, const QImage &image, - QWidget *parent) = 0; -}; -//! [2] - -QT_BEGIN_NAMESPACE -//! [3] //! [4] -#define BrushInterface_iid "org.qt-project.Qt.Examples.PlugAndPaint.BrushInterface/1.0" - -Q_DECLARE_INTERFACE(BrushInterface, BrushInterface_iid) -//! [3] - -#define ShapeInterface_iid "org.qt-project.Qt.Examples.PlugAndPaint.ShapeInterface/1.0" - -Q_DECLARE_INTERFACE(ShapeInterface, ShapeInterface_iid) -//! [5] -#define FilterInterface_iid "org.qt-project.Qt.Examples.PlugAndPaint.FilterInterface/1.0" - -Q_DECLARE_INTERFACE(FilterInterface, FilterInterface_iid) -//! [4] //! [5] -QT_END_NAMESPACE - -#endif diff --git a/examples/widgets/tools/plugandpaint/app/main.cpp b/examples/widgets/tools/plugandpaint/app/main.cpp deleted file mode 100644 index 3fc647dcca..0000000000 --- a/examples/widgets/tools/plugandpaint/app/main.cpp +++ /dev/null @@ -1,19 +0,0 @@ -// Copyright (C) 2016 The Qt Company Ltd. -// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause - -//! [0] -#include "mainwindow.h" - -#include <QApplication> -#include <QtPlugin> - -Q_IMPORT_PLUGIN(BasicToolsPlugin) - -int main(int argc, char *argv[]) -{ - QApplication app(argc, argv); - MainWindow window; - window.show(); - return app.exec(); -} -//! [0] diff --git a/examples/widgets/tools/plugandpaint/app/mainwindow.cpp b/examples/widgets/tools/plugandpaint/app/mainwindow.cpp deleted file mode 100644 index 8e58ae4ba8..0000000000 --- a/examples/widgets/tools/plugandpaint/app/mainwindow.cpp +++ /dev/null @@ -1,282 +0,0 @@ -// Copyright (C) 2016 The Qt Company Ltd. -// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause - - -#include "mainwindow.h" -#include "interfaces.h" -#include "paintarea.h" -#include "plugindialog.h" - -#include <QAction> -#include <QActionGroup> -#include <QApplication> -#include <QColorDialog> -#include <QFileDialog> -#include <QInputDialog> -#include <QMenu> -#include <QMenuBar> -#include <QMessageBox> -#include <QPluginLoader> -#include <QScrollArea> -#include <QTimer> - -MainWindow::MainWindow() : paintArea(new PaintArea) - , scrollArea(new QScrollArea) -{ - scrollArea->setBackgroundRole(QPalette::Dark); - scrollArea->setWidget(paintArea); - setCentralWidget(scrollArea); - - createActions(); - createMenus(); - loadPlugins(); - - setWindowTitle(tr("Plug & Paint")); - - if (!brushActionGroup->actions().isEmpty()) - brushActionGroup->actions().first()->trigger(); - - QTimer::singleShot(500, this, &MainWindow::aboutPlugins); -} - -void MainWindow::open() -{ - const QString fileName = QFileDialog::getOpenFileName(this, - tr("Open File"), - QDir::currentPath()); - if (!fileName.isEmpty()) { - if (!paintArea->openImage(fileName)) { - QMessageBox::information(this, tr("Plug & Paint"), - tr("Cannot load %1.").arg(fileName)); - return; - } - paintArea->adjustSize(); - } -} - -bool MainWindow::saveAs() -{ - const QString initialPath = QDir::currentPath() + "/untitled.png"; - - const QString fileName = QFileDialog::getSaveFileName(this, tr("Save As"), - initialPath); - if (fileName.isEmpty()) - return false; - - return paintArea->saveImage(fileName, "png"); -} - -void MainWindow::brushColor() -{ - const QColor newColor = QColorDialog::getColor(paintArea->brushColor()); - if (newColor.isValid()) - paintArea->setBrushColor(newColor); -} - -void MainWindow::brushWidth() -{ - bool ok; - const int newWidth = QInputDialog::getInt(this, tr("Plug & Paint"), - tr("Select brush width:"), - paintArea->brushWidth(), - 1, 50, 1, &ok); - if (ok) - paintArea->setBrushWidth(newWidth); -} - -//! [0] -void MainWindow::changeBrush() -{ - auto action = qobject_cast<QAction *>(sender()); - if (!action) - return; - auto iBrush = qobject_cast<BrushInterface *>(action->parent()); - if (!iBrush) - return; - const QString brush = action->text(); - - paintArea->setBrush(iBrush, brush); -} -//! [0] - -//! [1] -void MainWindow::insertShape() -{ - auto action = qobject_cast<QAction *>(sender()); - if (!action) - return; - auto iShape = qobject_cast<ShapeInterface *>(action->parent()); - if (!iShape) - return; - - const QPainterPath path = iShape->generateShape(action->text(), this); - if (!path.isEmpty()) - paintArea->insertShape(path); -} -//! [1] - -//! [2] -void MainWindow::applyFilter() -{ - auto action = qobject_cast<QAction *>(sender()); - if (!action) - return; - auto iFilter = qobject_cast<FilterInterface *>(action->parent()); - if (!iFilter) - return; - - const QImage image = iFilter->filterImage(action->text(), paintArea->image(), - this); - paintArea->setImage(image); -} -//! [2] - -void MainWindow::about() -{ - QMessageBox::about(this, tr("About Plug & Paint"), - tr("The <b>Plug & Paint</b> example demonstrates how to write Qt " - "applications that can be extended through plugins.")); -} - -//! [3] -void MainWindow::aboutPlugins() -{ - PluginDialog dialog(pluginsDir.path(), pluginFileNames, this); - dialog.exec(); -} -//! [3] - -void MainWindow::createActions() -{ - openAct = new QAction(tr("&Open..."), this); - openAct->setShortcuts(QKeySequence::Open); - connect(openAct, &QAction::triggered, this, &MainWindow::open); - - saveAsAct = new QAction(tr("&Save As..."), this); - saveAsAct->setShortcuts(QKeySequence::SaveAs); - connect(saveAsAct, &QAction::triggered, this, &MainWindow::saveAs); - - exitAct = new QAction(tr("E&xit"), this); - exitAct->setShortcuts(QKeySequence::Quit); - connect(exitAct, &QAction::triggered, this, &MainWindow::close); - - brushColorAct = new QAction(tr("&Brush Color..."), this); - connect(brushColorAct, &QAction::triggered, this, &MainWindow::brushColor); - - brushWidthAct = new QAction(tr("&Brush Width..."), this); - connect(brushWidthAct, &QAction::triggered, this, &MainWindow::brushWidth); - - brushActionGroup = new QActionGroup(this); - - aboutAct = new QAction(tr("&About"), this); - connect(aboutAct, &QAction::triggered, this, &MainWindow::about); - - aboutQtAct = new QAction(tr("About &Qt"), this); - connect(aboutQtAct, &QAction::triggered, qApp, &QApplication::aboutQt); - - aboutPluginsAct = new QAction(tr("About &Plugins"), this); - connect(aboutPluginsAct, &QAction::triggered, this, &MainWindow::aboutPlugins); -} - -void MainWindow::createMenus() -{ - fileMenu = menuBar()->addMenu(tr("&File")); - fileMenu->addAction(openAct); - fileMenu->addAction(saveAsAct); - fileMenu->addSeparator(); - fileMenu->addAction(exitAct); - - brushMenu = menuBar()->addMenu(tr("&Brush")); - brushMenu->addAction(brushColorAct); - brushMenu->addAction(brushWidthAct); - brushMenu->addSeparator(); - - shapesMenu = menuBar()->addMenu(tr("&Shapes")); - - filterMenu = menuBar()->addMenu(tr("&Filter")); - - menuBar()->addSeparator(); - - helpMenu = menuBar()->addMenu(tr("&Help")); - helpMenu->addAction(aboutAct); - helpMenu->addAction(aboutQtAct); - helpMenu->addAction(aboutPluginsAct); -} - -//! [4] -void MainWindow::loadPlugins() -{ - const auto staticInstances = QPluginLoader::staticInstances(); - for (QObject *plugin : staticInstances) - populateMenus(plugin); -//! [4] //! [5] - - pluginsDir = QDir(QCoreApplication::applicationDirPath()); - -#if defined(Q_OS_WIN) - if (pluginsDir.dirName().toLower() == "debug" || pluginsDir.dirName().toLower() == "release") - pluginsDir.cdUp(); -#elif defined(Q_OS_MAC) - if (pluginsDir.dirName() == "MacOS") { - pluginsDir.cdUp(); - pluginsDir.cdUp(); - pluginsDir.cdUp(); - } -#endif - pluginsDir.cd("plugins"); -//! [5] - -//! [6] - const auto entryList = pluginsDir.entryList(QDir::Files); - for (const QString &fileName : entryList) { - QPluginLoader loader(pluginsDir.absoluteFilePath(fileName)); - QObject *plugin = loader.instance(); - if (plugin) { - populateMenus(plugin); - pluginFileNames += fileName; -//! [6] //! [7] - } -//! [7] //! [8] - } -//! [8] - -//! [9] - brushMenu->setEnabled(!brushActionGroup->actions().isEmpty()); - shapesMenu->setEnabled(!shapesMenu->actions().isEmpty()); - filterMenu->setEnabled(!filterMenu->actions().isEmpty()); -} -//! [9] - -//! [10] -void MainWindow::populateMenus(QObject *plugin) -{ - auto iBrush = qobject_cast<BrushInterface *>(plugin); - if (iBrush) - addToMenu(plugin, iBrush->brushes(), brushMenu, &MainWindow::changeBrush, - brushActionGroup); - - auto iShape = qobject_cast<ShapeInterface *>(plugin); - if (iShape) - addToMenu(plugin, iShape->shapes(), shapesMenu, &MainWindow::insertShape); - - auto iFilter = qobject_cast<FilterInterface *>(plugin); - if (iFilter) - addToMenu(plugin, iFilter->filters(), filterMenu, &MainWindow::applyFilter); -} -//! [10] - -void MainWindow::addToMenu(QObject *plugin, const QStringList &texts, - QMenu *menu, Member member, - QActionGroup *actionGroup) -{ - for (const QString &text : texts) { - auto action = new QAction(text, plugin); - connect(action, &QAction::triggered, this, member); - menu->addAction(action); - - if (actionGroup) { - action->setCheckable(true); - actionGroup->addAction(action); - } - } -} diff --git a/examples/widgets/tools/plugandpaint/app/mainwindow.h b/examples/widgets/tools/plugandpaint/app/mainwindow.h deleted file mode 100644 index bc09471ba5..0000000000 --- a/examples/widgets/tools/plugandpaint/app/mainwindow.h +++ /dev/null @@ -1,68 +0,0 @@ -// Copyright (C) 2016 The Qt Company Ltd. -// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause - -#ifndef MAINWINDOW_H -#define MAINWINDOW_H - -#include <QDir> -#include <QMainWindow> -#include <QStringList> - -QT_BEGIN_NAMESPACE -class QAction; -class QActionGroup; -class QMenu; -class QScrollArea; -QT_END_NAMESPACE -class PaintArea; - -class MainWindow : public QMainWindow -{ - Q_OBJECT - -public: - MainWindow(); - -private slots: - void open(); - bool saveAs(); - void brushColor(); - void brushWidth(); - void changeBrush(); - void insertShape(); - void applyFilter(); - void about(); - void aboutPlugins(); - -private: - typedef void (MainWindow::*Member)(); - - void createActions(); - void createMenus(); - void loadPlugins(); - void populateMenus(QObject *plugin); - void addToMenu(QObject *plugin, const QStringList &texts, QMenu *menu, - Member member, QActionGroup *actionGroup = nullptr); - - PaintArea *paintArea = nullptr; - QScrollArea *scrollArea = nullptr; - QDir pluginsDir; - QStringList pluginFileNames; - - QMenu *fileMenu = nullptr; - QMenu *brushMenu = nullptr; - QMenu *shapesMenu = nullptr; - QMenu *filterMenu = nullptr; - QMenu *helpMenu = nullptr; - QActionGroup *brushActionGroup = nullptr; - QAction *openAct = nullptr; - QAction *saveAsAct = nullptr; - QAction *exitAct = nullptr; - QAction *brushWidthAct = nullptr; - QAction *brushColorAct = nullptr; - QAction *aboutAct = nullptr; - QAction *aboutQtAct = nullptr; - QAction *aboutPluginsAct = nullptr; -}; - -#endif diff --git a/examples/widgets/tools/plugandpaint/app/paintarea.cpp b/examples/widgets/tools/plugandpaint/app/paintarea.cpp deleted file mode 100644 index 3596f7979c..0000000000 --- a/examples/widgets/tools/plugandpaint/app/paintarea.cpp +++ /dev/null @@ -1,152 +0,0 @@ -// Copyright (C) 2016 The Qt Company Ltd. -// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause - - -#include "paintarea.h" -#include "interfaces.h" - -#include <QMouseEvent> -#include <QPainter> - -PaintArea::PaintArea(QWidget *parent) : QWidget(parent) -{ - setAttribute(Qt::WA_StaticContents); - setAttribute(Qt::WA_OpaquePaintEvent); - - theImage.fill(qRgb(255, 255, 255)); -} - -bool PaintArea::openImage(const QString &fileName) -{ - QImage image; - if (!image.load(fileName)) - return false; - - setImage(image); - return true; -} - -bool PaintArea::saveImage(const QString &fileName, const char *fileFormat) -{ - return theImage.save(fileName, fileFormat); -} - -void PaintArea::setImage(const QImage &image) -{ - theImage = image.convertToFormat(QImage::Format_RGB32); - update(); - updateGeometry(); -} - -void PaintArea::insertShape(const QPainterPath &path) -{ - pendingPath = path; -#ifndef QT_NO_CURSOR - setCursor(Qt::CrossCursor); -#endif -} - -void PaintArea::setBrushColor(const QColor &color) -{ - this->color = color; -} - -void PaintArea::setBrushWidth(int width) -{ - thickness = width; -} - -//! [0] -void PaintArea::setBrush(BrushInterface *brushInterface, const QString &brush) -{ - this->brushInterface = brushInterface; - this->brush = brush; -} -//! [0] - -QSize PaintArea::sizeHint() const -{ - return theImage.size(); -} - -void PaintArea::paintEvent(QPaintEvent * /* event */) -{ - QPainter painter(this); - painter.drawImage(QPoint(0, 0), theImage); -} - -void PaintArea::mousePressEvent(QMouseEvent *event) -{ - if (event->button() == Qt::LeftButton) { - if (!pendingPath.isEmpty()) { - QPainter painter(&theImage); - setupPainter(painter); - - const QRectF boundingRect = pendingPath.boundingRect(); - QLinearGradient gradient(boundingRect.topRight(), - boundingRect.bottomLeft()); - gradient.setColorAt(0.0, QColor(color.red(), color.green(), - color.blue(), 63)); - gradient.setColorAt(1.0, QColor(color.red(), color.green(), - color.blue(), 191)); - painter.setBrush(gradient); - painter.translate(event->position().toPoint() - boundingRect.center()); - painter.drawPath(pendingPath); - - pendingPath = QPainterPath(); -#ifndef QT_NO_CURSOR - unsetCursor(); -#endif - update(); - } else { - if (brushInterface) { - QPainter painter(&theImage); - setupPainter(painter); - const QRect rect = brushInterface->mousePress(brush, painter, - event->position().toPoint()); - update(rect); - } - - lastPos = event->position().toPoint(); - } - } -} - -//! [1] -void PaintArea::mouseMoveEvent(QMouseEvent *event) -{ - if ((event->buttons() & Qt::LeftButton) && lastPos != QPoint(-1, -1)) { - if (brushInterface) { - QPainter painter(&theImage); - setupPainter(painter); - const QRect rect = brushInterface->mouseMove(brush, painter, lastPos, - event->position().toPoint()); - update(rect); - } - - lastPos = event->position().toPoint(); - } -} -//! [1] - -void PaintArea::mouseReleaseEvent(QMouseEvent *event) -{ - if (event->button() == Qt::LeftButton && lastPos != QPoint(-1, -1)) { - if (brushInterface) { - QPainter painter(&theImage); - setupPainter(painter); - QRect rect = brushInterface->mouseRelease(brush, painter, - event->position().toPoint()); - update(rect); - } - - lastPos = QPoint(-1, -1); - } -} - -void PaintArea::setupPainter(QPainter &painter) -{ - painter.setRenderHint(QPainter::Antialiasing, true); - painter.setPen(QPen(color, thickness, Qt::SolidLine, Qt::RoundCap, - Qt::RoundJoin)); -} diff --git a/examples/widgets/tools/plugandpaint/app/paintarea.h b/examples/widgets/tools/plugandpaint/app/paintarea.h deleted file mode 100644 index f24db0ba89..0000000000 --- a/examples/widgets/tools/plugandpaint/app/paintarea.h +++ /dev/null @@ -1,54 +0,0 @@ -// Copyright (C) 2016 The Qt Company Ltd. -// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause - -#ifndef PAINTAREA_H -#define PAINTAREA_H - -#include <QColor> -#include <QImage> -#include <QPainterPath> -#include <QWidget> - -class BrushInterface; - -class PaintArea : public QWidget -{ - Q_OBJECT - -public: - PaintArea(QWidget *parent = nullptr); - - bool openImage(const QString &fileName); - bool saveImage(const QString &fileName, const char *fileFormat); - void setImage(const QImage &image); - void insertShape(const QPainterPath &path); - void setBrushColor(const QColor &color); - void setBrushWidth(int width); - void setBrush(BrushInterface *brushInterface, const QString &brush); - - QImage image() const { return theImage; } - QColor brushColor() const { return color; } - int brushWidth() const { return thickness; } - QSize sizeHint() const override; - -protected: - void paintEvent(QPaintEvent *event) override; - void mousePressEvent(QMouseEvent *event) override; - void mouseMoveEvent(QMouseEvent *event) override; - void mouseReleaseEvent(QMouseEvent *event) override; - -private: - void setupPainter(QPainter &painter); - - QImage theImage = {500, 400, QImage::Format_RGB32}; - QColor color = Qt::blue; - int thickness = 3; - - BrushInterface *brushInterface = nullptr; - QString brush; - QPoint lastPos = {-1, -1}; - - QPainterPath pendingPath; -}; - -#endif diff --git a/examples/widgets/tools/plugandpaint/app/plugindialog.cpp b/examples/widgets/tools/plugandpaint/app/plugindialog.cpp deleted file mode 100644 index 2ff5c4b1e3..0000000000 --- a/examples/widgets/tools/plugandpaint/app/plugindialog.cpp +++ /dev/null @@ -1,118 +0,0 @@ -// Copyright (C) 2016 The Qt Company Ltd. -// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause - - -#include "plugindialog.h" -#include "interfaces.h" - -#include <QDir> -#include <QGridLayout> -#include <QHeaderView> -#include <QLabel> -#include <QPluginLoader> -#include <QPushButton> -#include <QStringList> -#include <QTreeWidget> -#include <QTreeWidgetItem> - -PluginDialog::PluginDialog(const QString &path, const QStringList &fileNames, - QWidget *parent) : - QDialog(parent), - label(new QLabel), - treeWidget(new QTreeWidget), - okButton(new QPushButton(tr("OK"))) -{ - treeWidget->setAlternatingRowColors(false); - treeWidget->setSelectionMode(QAbstractItemView::NoSelection); - treeWidget->setColumnCount(1); - treeWidget->header()->hide(); - - okButton->setDefault(true); - - connect(okButton, &QAbstractButton::clicked, this, &QWidget::close); - - QGridLayout *mainLayout = new QGridLayout; - mainLayout->setColumnStretch(0, 1); - mainLayout->setColumnStretch(2, 1); - mainLayout->addWidget(label, 0, 0, 1, 3); - mainLayout->addWidget(treeWidget, 1, 0, 1, 3); - mainLayout->addWidget(okButton, 2, 1); - setLayout(mainLayout); - - interfaceIcon.addPixmap(style()->standardPixmap(QStyle::SP_DirOpenIcon), - QIcon::Normal, QIcon::On); - interfaceIcon.addPixmap(style()->standardPixmap(QStyle::SP_DirClosedIcon), - QIcon::Normal, QIcon::Off); - featureIcon.addPixmap(style()->standardPixmap(QStyle::SP_FileIcon)); - - setWindowTitle(tr("Plugin Information")); - findPlugins(path, fileNames); -} - -//! [0] -void PluginDialog::findPlugins(const QString &path, - const QStringList &fileNames) -{ - label->setText(tr("Plug & Paint found the following plugins\n" - "(looked in %1):") - .arg(QDir::toNativeSeparators(path))); - - const QDir dir(path); - - const auto staticInstances = QPluginLoader::staticInstances(); - for (QObject *plugin : staticInstances) - populateTreeWidget(plugin, tr("%1 (Static Plugin)") - .arg(plugin->metaObject()->className())); - - for (const QString &fileName : fileNames) { - QPluginLoader loader(dir.absoluteFilePath(fileName)); - QObject *plugin = loader.instance(); - if (plugin) - populateTreeWidget(plugin, fileName); - } -} -//! [0] - -//! [1] -void PluginDialog::populateTreeWidget(QObject *plugin, const QString &text) -{ - auto pluginItem = new QTreeWidgetItem(treeWidget); - pluginItem->setText(0, text); - pluginItem->setExpanded(true); - - QFont boldFont = pluginItem->font(0); - boldFont.setBold(true); - pluginItem->setFont(0, boldFont); - - if (plugin) { - auto iBrush = qobject_cast<BrushInterface *>(plugin); - if (iBrush) - addItems(pluginItem, "BrushInterface", iBrush->brushes()); - - auto iShape = qobject_cast<ShapeInterface *>(plugin); - if (iShape) - addItems(pluginItem, "ShapeInterface", iShape->shapes()); - - auto iFilter = qobject_cast<FilterInterface *>(plugin); - if (iFilter) - addItems(pluginItem, "FilterInterface", iFilter->filters()); - } -} -//! [1] - -void PluginDialog::addItems(QTreeWidgetItem *pluginItem, - const char *interfaceName, - const QStringList &features) -{ - auto interfaceItem = new QTreeWidgetItem(pluginItem); - interfaceItem->setText(0, interfaceName); - interfaceItem->setIcon(0, interfaceIcon); - - for (QString feature : features) { - if (feature.endsWith("...")) - feature.chop(3); - auto featureItem = new QTreeWidgetItem(interfaceItem); - featureItem->setText(0, feature); - featureItem->setIcon(0, featureIcon); - } -} diff --git a/examples/widgets/tools/plugandpaint/app/plugindialog.h b/examples/widgets/tools/plugandpaint/app/plugindialog.h deleted file mode 100644 index 32b8aa6fe0..0000000000 --- a/examples/widgets/tools/plugandpaint/app/plugindialog.h +++ /dev/null @@ -1,38 +0,0 @@ -// Copyright (C) 2016 The Qt Company Ltd. -// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause - -#ifndef PLUGINDIALOG_H -#define PLUGINDIALOG_H - -#include <QDialog> -#include <QIcon> - -QT_BEGIN_NAMESPACE -class QLabel; -class QPushButton; -class QTreeWidget; -class QTreeWidgetItem; -QT_END_NAMESPACE - -class PluginDialog : public QDialog -{ - Q_OBJECT - -public: - PluginDialog(const QString &path, const QStringList &fileNames, - QWidget *parent = nullptr); - -private: - void findPlugins(const QString &path, const QStringList &fileNames); - void populateTreeWidget(QObject *plugin, const QString &text); - void addItems(QTreeWidgetItem *pluginItem, const char *interfaceName, - const QStringList &features); - - QLabel *label = nullptr; - QTreeWidget *treeWidget = nullptr; - QPushButton *okButton = nullptr; - QIcon interfaceIcon; - QIcon featureIcon; -}; - -#endif |