C++ QPushButton::iconSize方法代码示例

QPushButton * ControlUnitDialog::addFunction(QString title, QIcon icon, bool checkable)
{
	QPushButton *button = new QPushButton(selection_groupBox);
	selButtons_verticalLayout->insertWidget(_selButtons.size(), button);
	button->setFixedWidth(160);
	button->setFixedHeight(35);
	button->setCheckable(checkable);
	button->setAutoExclusive(checkable);
	// Icon:
	button->setIconSize(QSize(22, 22));
	button->setIcon(icon);
	// Font:
	QFont font = button->font();
	font.setFamily(QApplication::font().family());
	font.setBold(false);
	font.setPixelSize(13);	// 10pts
	button->setFont(font);
	// Text: prepend/append spaces to achieve proper icon positions:
	QFontMetrics fm(font);
	title = title.trimmed();
	int targetstrsize = button->size().width() - button->iconSize().width() - 18;
	int barestrsize = fm.size(Qt::TextShowMnemonic, title).width();
	if (barestrsize < targetstrsize)
	{
		double spacesize = fm.size(Qt::TextShowMnemonic, " ").width();
		int nspaces = static_cast<int>((targetstrsize - barestrsize) / spacesize + 0.5);
		title.prepend( QString( nspaces/2, ' ' ) );
		title.append( QString( nspaces - nspaces/2, ' ' ) );
	}
	button->setText(title);
	// Save, show and return button:
	button->show();
	_selButtons.push_back(button);
	return button;
}

MainWindow::MainWindow(QWidget *parent) :
    QMainWindow(parent)
{

    // set working dir to executable work directory
    QDir::setCurrent(QCoreApplication::applicationDirPath());
    QString resDir = ResourceFinder::getPath();
    
    //chess::FuncT *f = new chess::FuncT();
    //f->run_pgn_speedtest();
    //f->run_polyglot();
    /*
    f->run_pgnt();
    f->run_pgn_scant();
    */

    // reconstruct gameModel
    this->gameModel = new GameModel();
    this->gameModel->restoreGameState();
    this->gameModel->getGame()->setTreeWasChanged(true);

    this->boardViewController = new BoardViewController(gameModel, this);
    this->moveViewController = new MoveViewController(gameModel, this);
    this->moveViewController->setFocus();
    this->engineViewController = new EngineView(gameModel, this);
    engineViewController->setFocusPolicy(Qt::NoFocus);
    moveViewController->setFocusPolicy(Qt::ClickFocus);

    this->name = new QLabel();
    name->setText("<b>Robert James Fisher - Reuben Fine</b><br/>New York(USA) 1963.03.??");
    name->setAlignment(Qt::AlignCenter);
    name->setBuddy(moveViewController);

    QHBoxLayout *hbox_name_editHeader = new QHBoxLayout();
    QPushButton *editHeader = new QPushButton();
    QPixmap pxEditHeader(*this->fromSvgToPixmap(editHeader->iconSize(),resDir + "/res/icons/document-properties.svg"));
    editHeader->setIcon(QIcon(pxEditHeader));

    hbox_name_editHeader->addStretch(1);
    hbox_name_editHeader->addWidget(this->name);
    hbox_name_editHeader->addStretch(1);
    hbox_name_editHeader->addWidget(editHeader);

    this->uciController     = new UciController();
    this->modeController    = new ModeController(gameModel, uciController, this);
    this->editController    = new EditController(gameModel, this);
    this->fileController    = new FileController(gameModel, this);

    QSize btnSize           = QSize(this->height()/19, this->height()/19);
    QSize btnSizeLR         = QSize(this->height()/14, this->height()/14);
    QPushButton *left       = new QPushButton();
    QPushButton *right      = new QPushButton();
    QPushButton *beginning  = new QPushButton();
    QPushButton *end        = new QPushButton();

    left->setIconSize(btnSizeLR);
    right->setIconSize(btnSizeLR);
    beginning->setIconSize(btnSize);
    end->setIconSize(btnSize);

    QPixmap pxRight(*this->fromSvgToPixmap(right->iconSize(),resDir + "/res/icons/go-next.svg"));
    QPixmap pxLeft(*this->fromSvgToPixmap(left->iconSize(),resDir + "/res/icons/go-previous.svg"));
    QPixmap pxBeginning(*this->fromSvgToPixmap(left->iconSize(),resDir + "/res/icons/go-first.svg"));
    QPixmap pxEnd(*this->fromSvgToPixmap(left->iconSize(),resDir + "/res/icons/go-last.svg"));

    right->setIcon(QIcon(pxRight));
    left->setIcon(QIcon(pxLeft));
    beginning->setIcon(QIcon(pxBeginning));
    end->setIcon(QIcon(pxEnd));

    QWidget *mainWidget = new QWidget();

    // setup the main window
    // consisting of:
    //
    // <-------menubar---------------------------->
    // <chess-     ->   <label w/ game data      ->
    // <board      ->   <moves_edit_view---------->
    // <view       ->   <engine output view      ->


    QSizePolicy *spLeft = new QSizePolicy();
    spLeft->setHorizontalStretch(1);

    QSizePolicy *spRight = new QSizePolicy();
    spRight->setHorizontalStretch(2);

    QHBoxLayout *hbox_buttons = new QHBoxLayout();
    hbox_buttons->addStretch(1);
    hbox_buttons->addWidget(beginning);
    hbox_buttons->addWidget(left);
    hbox_buttons->addWidget(right);
    hbox_buttons->addWidget(end);
    hbox_buttons->addStretch(1);

    QHBoxLayout *hbox_right_engine_buttons = new QHBoxLayout();

    this->pbEngineOnOff = new OnOffButton(this); //new QPushButton("OFF");
    this->lblMultiPv    = new QLabel(this->tr("Lines:"), this);
    this->spinMultiPv   = new QSpinBox(this);
//.........这里部分代码省略.........

ImageFileDialog::ImageFileDialog(const QVariantList &old, QString imgpath, QWidget *parent)
    :QDialog(parent),
      sellist(new QListWidget()),
      flistview(new QListWidget()),
      treefile(new QTreeView()),
      statusBar(new QLabel(this)),
      okbtn(new QPushButton("确定",this))
{

    mWindow = (MainWindow*)parent;
    setWindowFlags(Qt::Widget | Qt::FramelessWindowHint);
    setModal(true);
    treefile->header()->setHidden(true);
    flistview->setProperty(DKEY_EXTMAP,extMap);
    /* 填弃上一次的数据 */
    dirModel = new QFileSystemModel(this);
    fileModel = new QFileSystemModel(this);
    this->setFixedSize(1000,600);

    sellist->setSelectionMode(QAbstractItemView::ExtendedSelection);
    sellist->setAlternatingRowColors(true);
    flistview->setSelectionMode(QAbstractItemView::ExtendedSelection);
    flistview->setAlternatingRowColors(true);

    flistview->setIconSize(QSize(80,60));
    sellist->setIconSize(QSize(80,60));


    QMap<QString,QString> navigator;
    navigator[UP] = ":/icon/icons/go-up.png";
    navigator[DOWN] = ":/icon/icons/go-down.png";
    navigator[LEFT] = ":/icon/icons/go-previous.png";
    navigator[RIGHT] = ":/icon/icons/go-next.png";


    QVBoxLayout *mainLayout = new QVBoxLayout();

    QHBoxLayout *mh = new QHBoxLayout();
    this->setLayout(mainLayout);
    mainLayout->addLayout(mh);
    this->setWindowTitle(tr("图片编辑"));
    QVBoxLayout *v = new QVBoxLayout();
    v->setSizeConstraint(QLayout::SetFixedSize);


    QMapIterator<QString,QString> itmap(navigator);
    while(itmap.hasNext())
    {
        itmap.next();
        QPushButton *btn = new QPushButton();
        QPixmap p(itmap.value());
        btn->setIconSize(p.size());
        p.setMask(p.createMaskFromColor(Qt::white));
        btn->setIcon(QIcon(p));

        btn->setObjectName(itmap.key());
        btn->setFixedSize(btn->iconSize());
        v->addWidget(btn);
        if(!LEFT.compare(itmap.key()))
        {
            connect(btn,SIGNAL(clicked(bool)),SLOT(onAddSelectedItems()));
        }else if(!UP.compare(itmap.key()))
        {
            connect(btn,SIGNAL(clicked(bool)),SLOT(onUp()));
        }else if(!DOWN.compare(itmap.key()))
        {
            connect(btn,SIGNAL(clicked(bool)),SLOT(onDown()));
        }else if(!RIGHT.compare(itmap.key()))
        {
            connect(btn,SIGNAL(clicked(bool)),SLOT(onDelSelectedItems()));
        }
    }

    dirModel->setRootPath(imgpath);
    dirModel->removeColumn(3);
    dirModel->removeColumn(2);
    dirModel->setFilter(QDir::NoDotAndDotDot | QDir::AllDirs);


    filters << "*.bmp" << "*.png" << "*.jpg";
    dirModel->setNameFilters(filters);


    treefile->setModel(dirModel);
    treefile->setRootIndex(dirModel->index(imgpath));
    treefile->setAlternatingRowColors(true);

    treefile->hideColumn(3);
    treefile->hideColumn(2);
    treefile->hideColumn(1);


    fileModel->setRootPath(imgpath);
    fileModel->setNameFilters(filters);
    fileModel->setFilter(QDir::Files);

    connect(sellist,&QListWidget::clicked,
            [=](QModelIndex index){
        sellist->clearSelection();
        sellist->setCurrentIndex(index);
//.........这里部分代码省略.........