C++ QAbstractButton::setShortcut方法代码示例

StartTab::StartTab(MainWindow *mainWindow)
{
	setBackgroundRole(QPalette::Base);
	setAutoFillBackground(true);

	QGridLayout *gridLayout = new QGridLayout(this);
	gridLayout->setAlignment(Qt::AlignCenter);
	gridLayout->setMargin(10);
	gridLayout->setSpacing(15);

	QAbstractButton *button =
		addShortcut(i18n("&1 Play File"), QIcon::fromTheme(QLatin1String("video-x-generic"), QIcon(":video-x-generic")), this);
	button->setShortcut(Qt::Key_1);
	button->setWhatsThis(i18n("Open dialog to play a file"));
	connect(button, SIGNAL(clicked()), mainWindow, SLOT(open()));
	gridLayout->addWidget(button, 0, 0);

	button = addShortcut(i18n("&2 Play Audio CD"), QIcon::fromTheme(QLatin1String("media-optical-audio"), QIcon(":media-optical-audio")), this);
	button->setShortcut(Qt::Key_2);
	button->setWhatsThis(i18n("Start playing an audio CD. It assumes that the CD is already there at the CD driver"));
	connect(button, SIGNAL(clicked()), mainWindow, SLOT(openAudioCd()));
	gridLayout->addWidget(button, 0, 1);

	button = addShortcut(i18n("&3 Play Video CD"), QIcon::fromTheme(QLatin1String("media-optical"), QIcon(":media-optical")), this);
	button->setShortcut(Qt::Key_3);
	button->setWhatsThis(i18n("Start playing a Video CD. It assumes that the CD is already there at the CD driver"));
	connect(button, SIGNAL(clicked()), mainWindow, SLOT(openVideoCd()));
	gridLayout->addWidget(button, 0, 2);

	button = addShortcut(i18n("&4 Play DVD"), QIcon::fromTheme(QLatin1String("media-optical"), QIcon(":media-optical")), this);
	button->setShortcut(Qt::Key_4);
	button->setWhatsThis(i18n("Start playing a DVD. It assumes that the DVD is already there at the DVD driver"));
	connect(button, SIGNAL(clicked()), mainWindow, SLOT(openDvd()));
	gridLayout->addWidget(button, 1, 0);

#if HAVE_DVB == 1
	button = addShortcut(i18n("&5 Digital TV"), QIcon::fromTheme(QLatin1String("video-television"), QIcon(":video-television")), this);
	button->setShortcut(Qt::Key_5);
	button->setWhatsThis("Open the Digital TV live view window. If the TV channels are already scanned, it will start playing the last channel");
	connect(button, SIGNAL(clicked()), mainWindow, SLOT(playDvb()));
	gridLayout->addWidget(button, 1, 1);
#endif /* HAVE_DVB == 1 */
}

void shortcuts::setStandardKeys(QWidget* widget)
{
  if (!widget)
    return;

  // Add standard shortcuts to applicable buttons
  bool hasShortcut = false;
  QPushButton* button;

  // For Save
  button = widget->findChild<QPushButton*>("_save");
  if (button)
  {
    button->setShortcut(QKeySequence::Save);
    button->setToolTip(button->text().remove("&")  + " " +
                       button->shortcut().toString(QKeySequence::NativeText));
    hasShortcut = true;
  }
  if (!hasShortcut) // Because some screens have both
  {
    // For Post
    button = widget->findChild<QPushButton*>("_post");
    if (button)
    {
      button->setShortcut(QKeySequence::Save);
      button->setToolTip(button->text().remove("&")  + " " +
                         button->shortcut().toString(QKeySequence::NativeText));
    }
  }
  if (!hasShortcut)
  {
    QDialogButtonBox* bb = widget->findChild<QDialogButtonBox*>();
    if (bb)
    {
      QList<QAbstractButton*> buttons =  bb->buttons();
      for (int i = 0; i < buttons.size(); ++i)
      {
        QAbstractButton *bbutton = buttons.at(i);
        QDialogButtonBox::ButtonRole btnrole = bb->buttonRole(buttons.at(i));
        if (btnrole == QDialogButtonBox::AcceptRole)
        {
          bbutton->setShortcut(QKeySequence::Save);
          bbutton->setToolTip(bbutton->text().remove("&")  + " " +
                              bbutton->shortcut().toString(QKeySequence::NativeText));

        }
        else if (btnrole == QDialogButtonBox::RejectRole)
        {
          bbutton->setShortcut(QKeySequence::Close);
          bbutton->setToolTip(bbutton->text().remove("&")  + " " +
                              bbutton->shortcut().toString(QKeySequence::NativeText));

        }
      }
    }
  }

  // For Close
  hasShortcut = false;
  button = widget->findChild<QPushButton*>("_close");
  if (button)
  {
    button->setShortcut(QKeySequence::Close);
    button->setToolTip(button->text().remove("&")  + " " +
                       button->shortcut().toString(QKeySequence::NativeText));
    hasShortcut = true;
  }
  if (!hasShortcut) // Because some screens have both
  {
    // For Post
    button = widget->findChild<QPushButton*>("_cancel");
    if (button)
    {
      button->setShortcut(QKeySequence::Close);
      button->setToolTip(button->text().remove("&")  + " " +
                         button->shortcut().toString(QKeySequence::NativeText));
    }
  }

  // For New
  button = widget->findChild<QPushButton*>("_new");
  if (button)
  {
    button->setShortcut(QKeySequence::New);
    button->setToolTip(button->text().remove("&")  + " " +
                       button->shortcut().toString(QKeySequence::NativeText));
    hasShortcut = true;
  }

  // For Print
  button = widget->findChild<QPushButton*>("_print");
  if (button)
  {
    button->setShortcut(QKeySequence::Print);
    button->setToolTip(button->text().remove("&")  + " " +
                       button->shortcut().toString(QKeySequence::NativeText));
    hasShortcut = true;
  }

  // For Query
//.........这里部分代码省略.........

int showMessageBox( QWidget* parent, const QString& strMessage, const QString& strTitle,
                    QMessageBox::Icon icon, QMessageBox::StandardButtons buttons, QMessageBox::StandardButton defButton )
{
    QString strLog = strMessage;
    strLog.replace( "\r", " " );
    strLog.replace( "\n", " " );
    LOG_I( strLog );

    QString strStyle =
        "QWidget {"
            "background-color: rgb(225, 225, 225);"
        "}"
        "QPushButton {"
            "border: 1px solid #8f8f91;"
            "border-radius: 6px;"
            "background-color: qlineargradient(x1: 0, y1: 0, x2: 0, y2: 1, stop: 0 #f6f7fa, stop: 1 #dadbde);"
            "min-width: 80px;"
        "}"

        "QPushButton:pressed {"
            "background-color: qlineargradient(x1: 0, y1: 0, x2: 0, y2: 1, stop: 0 #dadbde, stop: 1 #f6f7fa);"
        "}"

        "QPushButton:flat {"
            "border: none;"
        "}"

        "QPushButton:focus {"
            "outline: none;"
        "}"

        "QPushButton:default {"
            "border-color: rgb(90, 129, 129);"
        "}";

    s_bShowMessageBox = true;
    QMessageBox msgBox(icon, strTitle, strMessage, buttons, parent);
    msgBox.setDefaultButton(defButton);
    //msgBox.setStyleSheet(strStyle);
    msgBox.setWindowModality( Qt::WindowModal );
    msgBox.setModal( true );

#define MAIN "MAIN"
    QLangRes& res = QLangManager::getResource();
    msgBox.setButtonText(QMessageBox::Ok, res.getResString("MESSAGEBOX", "BTN_CAPTION_OK"));
    msgBox.setButtonText(QMessageBox::Cancel, res.getResString("MESSAGEBOX", "BTN_CAPTION_CANCEL"));
    msgBox.setButtonText(QMessageBox::Yes, res.getResString("MESSAGEBOX", "BTN_CAPTION_YES"));
    msgBox.setButtonText(QMessageBox::No, res.getResString("MESSAGEBOX", "BTN_CAPTION_NO"));
    QAbstractButton* pBtn = msgBox.button(QMessageBox::Yes);
    if( pBtn )
        pBtn->setShortcut( QKeySequence(Qt::Key_Y) );
    pBtn = msgBox.button(QMessageBox::No);
    if( pBtn )
        pBtn->setShortcut( QKeySequence(Qt::Key_N) );

    QFont fnt(msgBox.font());
    fnt.setPointSize(fnt.pointSize()+1);
    msgBox.setFont(fnt);
    s_pShowedMessageBox = &msgBox;
    int nRet = msgBox.exec();

    s_pShowedMessageBox = NULL;
    s_bShowMessageBox = false;

    switch (nRet)
    {
    case QMessageBox::Yes:
        LOG_B( "Yes" );
        break;
    case QMessageBox::No:
        LOG_B( "No" );
        break;
    case QMessageBox::Ok:
        LOG_B( "OK" );
        break;
    case QMessageBox::Cancel:
        LOG_B( "Cancel" );
        break;
    }
    return nRet;
}