toolbar.cpp Example File

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#include "toolbar.h" #include <QRandomGenerator> #include <QMainWindow> #include <QMenu> #include <QPainter> #include <QPainterPath> #include <QSpinBox> #include <QLabel> #include <QToolTip> #include <stdlib.h> static QPixmap genIcon(const QSize &iconSize, const QString &, const QColor &color, qreal pixelRatio) { int w = qRound(iconSize.width() * pixelRatio); int h = qRound(iconSize.height() * pixelRatio); QImage image(w, h, QImage::Format_ARGB32_Premultiplied); image.fill(0); QPainter p(&image); extern void render_qt_text(QPainter *, int, int, const QColor &); render_qt_text(&p, w, h, color); QPixmap pm = QPixmap::fromImage(image, Qt::DiffuseDither | Qt::DiffuseAlphaDither); pm.setDevicePixelRatio(pixelRatio); return pm; } static QPixmap genIcon(const QSize &iconSize, int number, const QColor &color, qreal pixelRatio) { return genIcon(iconSize, QString::number(number), color, pixelRatio); } ToolBar::ToolBar(const QString &title, QWidget *parent) : QToolBar(parent) , spinbox(nullptr) , spinboxAction(nullptr) { setWindowTitle(title); setObjectName(title); setIconSize(QSize(32, 32)); qreal dpr = devicePixelRatioF(); menu = new QMenu("One", this); menu->setIcon(genIcon(iconSize(), 1, Qt::black, dpr)); menu->addAction(genIcon(iconSize(), "A", Qt::blue, dpr), "A"); menu->addAction(genIcon(iconSize(), "B", Qt::blue, dpr), "B"); menu->addAction(genIcon(iconSize(), "C", Qt::blue, dpr), "C"); addAction(menu->menuAction()); QAction *two = addAction(genIcon(iconSize(), 2, Qt::white, dpr), "Two"); QFont boldFont; boldFont.setBold(true); two->setFont(boldFont); addAction(genIcon(iconSize(), 3, Qt::red, dpr), "Three"); addAction(genIcon(iconSize(), 4, Qt::green, dpr), "Four"); addAction(genIcon(iconSize(), 5, Qt::blue, dpr), "Five"); addAction(genIcon(iconSize(), 6, Qt::yellow, dpr), "Six"); orderAction = new QAction(this); orderAction->setText(tr("Order Items in Tool Bar")); connect(orderAction, &QAction::triggered, this, &ToolBar::order); randomizeAction = new QAction(this); randomizeAction->setText(tr("Randomize Items in Tool Bar")); connect(randomizeAction, &QAction::triggered, this, &ToolBar::randomize); addSpinBoxAction = new QAction(this); addSpinBoxAction->setText(tr("Add Spin Box")); connect(addSpinBoxAction, &QAction::triggered, this, &ToolBar::addSpinBox); removeSpinBoxAction = new QAction(this); removeSpinBoxAction->setText(tr("Remove Spin Box")); removeSpinBoxAction->setEnabled(false); connect(removeSpinBoxAction, &QAction::triggered, this, &ToolBar::removeSpinBox); movableAction = new QAction(tr("Movable"), this); movableAction->setCheckable(true); connect(movableAction, &QAction::triggered, this, &ToolBar::changeMovable); allowedAreasActions = new QActionGroup(this); allowedAreasActions->setExclusive(false); allowLeftAction = new QAction(tr("Allow on Left"), this); allowLeftAction->setCheckable(true); connect(allowLeftAction, &QAction::triggered, this, &ToolBar::allowLeft); allowRightAction = new QAction(tr("Allow on Right"), this); allowRightAction->setCheckable(true); connect(allowRightAction, &QAction::triggered, this, &ToolBar::allowRight); allowTopAction = new QAction(tr("Allow on Top"), this); allowTopAction->setCheckable(true); connect(allowTopAction, &QAction::triggered, this, &ToolBar::allowTop); allowBottomAction = new QAction(tr("Allow on Bottom"), this); allowBottomAction->setCheckable(true); connect(allowBottomAction, &QAction::triggered, this, &ToolBar::allowBottom); allowedAreasActions->addAction(allowLeftAction); allowedAreasActions->addAction(allowRightAction); allowedAreasActions->addAction(allowTopAction); allowedAreasActions->addAction(allowBottomAction); areaActions = new QActionGroup(this); areaActions->setExclusive(true); leftAction = new QAction(tr("Place on Left") , this); leftAction->setCheckable(true); connect(leftAction, &QAction::triggered, this, &ToolBar::placeLeft); rightAction = new QAction(tr("Place on Right") , this); rightAction->setCheckable(true); connect(rightAction, &QAction::triggered, this, &ToolBar::placeRight); topAction = new QAction(tr("Place on Top") , this); topAction->setCheckable(true); connect(topAction, &QAction::triggered, this, &ToolBar::placeTop); bottomAction = new QAction(tr("Place on Bottom") , this); bottomAction->setCheckable(true); connect(bottomAction, &QAction::triggered, this, &ToolBar::placeBottom); areaActions->addAction(leftAction); areaActions->addAction(rightAction); areaActions->addAction(topAction); areaActions->addAction(bottomAction); connect(movableAction, &QAction::triggered, areaActions, &QActionGroup::setEnabled); connect(movableAction, &QAction::triggered, allowedAreasActions, &QActionGroup::setEnabled); menu = new QMenu(title, this); menu->addAction(toggleViewAction()); menu->addSeparator(); menu->addAction(orderAction); menu->addAction(randomizeAction); menu->addSeparator(); menu->addAction(addSpinBoxAction); menu->addAction(removeSpinBoxAction); menu->addSeparator(); menu->addAction(movableAction); menu->addSeparator(); menu->addActions(allowedAreasActions->actions()); menu->addSeparator(); menu->addActions(areaActions->actions()); menu->addSeparator(); menu->addAction(tr("Insert break"), this, &ToolBar::insertToolBarBreak); connect(menu, &QMenu::aboutToShow, this, &ToolBar::updateMenu); randomize(); } void ToolBar::updateMenu() { QMainWindow *mainWindow = qobject_cast<QMainWindow *>(parentWidget()); Q_ASSERT(mainWindow != 0); const Qt::ToolBarArea area = mainWindow->toolBarArea(this); const Qt::ToolBarAreas areas = allowedAreas(); movableAction->setChecked(isMovable()); allowLeftAction->setChecked(isAreaAllowed(Qt::LeftToolBarArea)); allowRightAction->setChecked(isAreaAllowed(Qt::RightToolBarArea)); allowTopAction->setChecked(isAreaAllowed(Qt::TopToolBarArea)); allowBottomAction->setChecked(isAreaAllowed(Qt::BottomToolBarArea)); if (allowedAreasActions->isEnabled()) { allowLeftAction->setEnabled(area != Qt::LeftToolBarArea); allowRightAction->setEnabled(area != Qt::RightToolBarArea); allowTopAction->setEnabled(area != Qt::TopToolBarArea); allowBottomAction->setEnabled(area != Qt::BottomToolBarArea); } leftAction->setChecked(area == Qt::LeftToolBarArea); rightAction->setChecked(area == Qt::RightToolBarArea); topAction->setChecked(area == Qt::TopToolBarArea); bottomAction->setChecked(area == Qt::BottomToolBarArea); if (areaActions->isEnabled()) { leftAction->setEnabled(areas & Qt::LeftToolBarArea); rightAction->setEnabled(areas & Qt::RightToolBarArea); topAction->setEnabled(areas & Qt::TopToolBarArea); bottomAction->setEnabled(areas & Qt::BottomToolBarArea); } } void ToolBar::order() { QList<QAction *> ordered; QList<QAction *> actions1 = actions(); foreach (QAction *action, findChildren<QAction *>()) { if (!actions1.contains(action)) continue; actions1.removeAll(action); ordered.append(action); } clear(); addActions(ordered); orderAction->setEnabled(false); } void ToolBar::randomize() { QList<QAction *> randomized; QList<QAction *> actions = this->actions(); while (!actions.isEmpty()) { QAction *action = actions.takeAt(QRandomGenerator::global()->bounded(actions.size())); randomized.append(action); } clear(); addActions(randomized); orderAction->setEnabled(true); } void ToolBar::addSpinBox() { if (!spinbox) spinbox = new QSpinBox(this); if (!spinboxAction) spinboxAction = addWidget(spinbox); else addAction(spinboxAction); addSpinBoxAction->setEnabled(false); removeSpinBoxAction->setEnabled(true); } void ToolBar::removeSpinBox() { if (spinboxAction) removeAction(spinboxAction); addSpinBoxAction->setEnabled(true); removeSpinBoxAction->setEnabled(false); } void ToolBar::allow(Qt::ToolBarArea area, bool a) { Qt::ToolBarAreas areas = allowedAreas(); areas = a ? areas | area : areas & ~area; setAllowedAreas(areas); if (areaActions->isEnabled()) { leftAction->setEnabled(areas & Qt::LeftToolBarArea); rightAction->setEnabled(areas & Qt::RightToolBarArea); topAction->setEnabled(areas & Qt::TopToolBarArea); bottomAction->setEnabled(areas & Qt::BottomToolBarArea); } } void ToolBar::place(Qt::ToolBarArea area, bool p) { if (!p) return; QMainWindow *mainWindow = qobject_cast<QMainWindow *>(parentWidget()); Q_ASSERT(mainWindow != 0); mainWindow->addToolBar(area, this); if (allowedAreasActions->isEnabled()) { allowLeftAction->setEnabled(area != Qt::LeftToolBarArea); allowRightAction->setEnabled(area != Qt::RightToolBarArea); allowTopAction->setEnabled(area != Qt::TopToolBarArea); allowBottomAction->setEnabled(area != Qt::BottomToolBarArea); } } void ToolBar::changeMovable(bool movable) { setMovable(movable); } void ToolBar::allowLeft(bool a) { allow(Qt::LeftToolBarArea, a); } void ToolBar::allowRight(bool a) { allow(Qt::RightToolBarArea, a); } void ToolBar::allowTop(bool a) { allow(Qt::TopToolBarArea, a); } void ToolBar::allowBottom(bool a) { allow(Qt::BottomToolBarArea, a); } void ToolBar::placeLeft(bool p) { place(Qt::LeftToolBarArea, p); } void ToolBar::placeRight(bool p) { place(Qt::RightToolBarArea, p); } void ToolBar::placeTop(bool p) { place(Qt::TopToolBarArea, p); } void ToolBar::placeBottom(bool p) { place(Qt::BottomToolBarArea, p); } void ToolBar::insertToolBarBreak() { QMainWindow *mainWindow = qobject_cast<QMainWindow *>(parentWidget()); Q_ASSERT(mainWindow != 0); mainWindow->insertToolBarBreak(this); }

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