C++ QDesignerFormWindowInterface::endCommand方法代码示例

void QStackedWidgetEventFilter::changeOrder()
{
    QDesignerFormWindowInterface *fw = QDesignerFormWindowInterface::findFormWindow(stackedWidget());

    if (!fw)
        return;

    const QWidgetList oldPages = qdesigner_internal::OrderDialog::pagesOfContainer(fw->core(), stackedWidget());
    const int pageCount = oldPages.size();
    if (pageCount < 2)
        return;

    qdesigner_internal::OrderDialog dlg(fw);
    dlg.setPageList(oldPages);
    if (dlg.exec() == QDialog::Rejected)
        return;

    const QWidgetList newPages = dlg.pageList();
    if (newPages == oldPages)
        return;

    fw->beginCommand(tr("Change Page Order"));
    for(int i=0; i < pageCount; ++i) {
        if (newPages.at(i) == stackedWidget()->widget(i))
            continue;
        qdesigner_internal::MoveStackedWidgetCommand *cmd = new qdesigner_internal::MoveStackedWidgetCommand(fw);
        cmd->init(stackedWidget(), newPages.at(i), i);
        fw->commandHistory()->push(cmd);
    }
    fw->endCommand();
}

void ActionEditor::editAction(QAction *action)
{
    if (!action)
        return;

    NewActionDialog dlg(this);
    dlg.setWindowTitle(tr("Edit action"));

    ActionData oldActionData;
    QDesignerPropertySheetExtension *sheet = qt_extension<QDesignerPropertySheetExtension*>(core()->extensionManager(), action);
    oldActionData.name = action->objectName();
    oldActionData.text = action->text();
    oldActionData.toolTip = textPropertyValue(sheet, QLatin1String(toolTipPropertyC));
    oldActionData.icon = qvariant_cast<PropertySheetIconValue>(sheet->property(sheet->indexOf(QLatin1String(iconPropertyC))));
    oldActionData.keysequence = ActionModel::actionShortCut(sheet);
    oldActionData.checkable =  action->isCheckable();
    dlg.setActionData(oldActionData);

    if (!dlg.exec())
        return;

    // figure out changes and whether to start a macro
    const ActionData newActionData = dlg.actionData();
    const unsigned changeMask = newActionData.compare(oldActionData);
    if (changeMask == 0u)
        return;

    const bool severalChanges = (changeMask != ActionData::TextChanged)      && (changeMask != ActionData::NameChanged)
                             && (changeMask != ActionData::ToolTipChanged)   && (changeMask != ActionData::IconChanged)
                             && (changeMask != ActionData::CheckableChanged) && (changeMask != ActionData::KeysequenceChanged);

    QDesignerFormWindowInterface *fw = formWindow();
    QUndoStack *undoStack = fw->commandHistory();
    if (severalChanges)
        fw->beginCommand(QStringLiteral("Edit action"));

    if (changeMask & ActionData::NameChanged)
        undoStack->push(createTextPropertyCommand(QLatin1String(objectNamePropertyC), newActionData.name, action, fw));

    if (changeMask & ActionData::TextChanged)
        undoStack->push(createTextPropertyCommand(QLatin1String(textPropertyC), newActionData.text, action, fw));

    if (changeMask & ActionData::ToolTipChanged)
        undoStack->push(createTextPropertyCommand(QLatin1String(toolTipPropertyC), newActionData.toolTip, action, fw));

    if (changeMask & ActionData::IconChanged)
        undoStack->push(setIconPropertyCommand(newActionData.icon, action, fw));

    if (changeMask & ActionData::CheckableChanged)
        undoStack->push(setPropertyCommand(QLatin1String(checkablePropertyC), newActionData.checkable, false, action, fw));

    if (changeMask & ActionData::KeysequenceChanged)
        undoStack->push(setKeySequencePropertyCommand(newActionData.keysequence, action, fw));

    if (severalChanges)
        fw->endCommand();
}

void ToolBarEventFilter::slotInsertSeparator()
{
    QDesignerFormWindowInterface *fw = formWindow();
    QAction *theSender = qobject_cast<QAction*>(sender());
    QAction *previous = qvariant_cast<QAction *>(theSender->data());
    fw->beginCommand(tr("Insert Separator"));
    QAction *action = createAction(fw, QLatin1String("separator"), true);
    InsertActionIntoCommand *cmd = new InsertActionIntoCommand(fw);
    cmd->init(m_toolBar, action, previous);
    fw->commandHistory()->push(cmd);
    fw->endCommand();
}

bool QDesignerMenuBar::swapActions(int a, int b)
{
    const int left = qMin(a, b);
    int right = qMax(a, b);

    QAction *action_a = safeActionAt(left);
    QAction *action_b = safeActionAt(right);

    if (action_a == action_b
            || !action_a
            || !action_b
            || qobject_cast<SpecialMenuAction*>(action_a)
            || qobject_cast<SpecialMenuAction*>(action_b))
        return false; // nothing to do

    right = qMin(right, realActionCount());
    if (right < 0)
        return false; // nothing to do

    formWindow()->beginCommand(QApplication::translate("Command", "Move action"));

    QAction *action_b_before = safeActionAt(right + 1);

    QDesignerFormWindowInterface *fw = formWindow();
    RemoveActionFromCommand *cmd1 = new RemoveActionFromCommand(fw);
    cmd1->init(this, action_b, action_b_before, false);
    fw->commandHistory()->push(cmd1);

    QAction *action_a_before = safeActionAt(left + 1);

    InsertActionIntoCommand *cmd2 = new InsertActionIntoCommand(fw);
    cmd2->init(this, action_b, action_a_before, false);
    fw->commandHistory()->push(cmd2);

    RemoveActionFromCommand *cmd3 = new RemoveActionFromCommand(fw);
    cmd3->init(this, action_a, action_b, false);
    fw->commandHistory()->push(cmd3);

    InsertActionIntoCommand *cmd4 = new InsertActionIntoCommand(fw);
    cmd4->init(this, action_a, action_b_before, true);
    fw->commandHistory()->push(cmd4);

    fw->endCommand();

    return true;
}

void QDesignerMenuBar::leaveEditMode(LeaveEditMode mode)
{
    m_editor->releaseKeyboard();

    if (mode == Default)
        return;

    if (m_editor->text().isEmpty())
        return;

    QAction *action = 0;

    QDesignerFormWindowInterface *fw = formWindow();
    Q_ASSERT(fw);

    if (m_currentIndex >= 0 && m_currentIndex < realActionCount()) {
        action = safeActionAt(m_currentIndex);
        fw->beginCommand(QApplication::translate("Command", "Change Title"));
    } else {
        fw->beginCommand(QApplication::translate("Command", "Insert Menu"));
        const QString niceObjectName = ActionEditor::actionTextToName(m_editor->text(), QStringLiteral("menu"));
        QMenu *menu = qobject_cast<QMenu*>(fw->core()->widgetFactory()->createWidget(QStringLiteral("QMenu"), this));
        fw->core()->widgetFactory()->initialize(menu);
        menu->setObjectName(niceObjectName);
        menu->setTitle(tr("Menu"));
        fw->ensureUniqueObjectName(menu);
        action = menu->menuAction();
        AddMenuActionCommand *cmd = new AddMenuActionCommand(fw);
        cmd->init(action, m_addMenu, this, this);
        fw->commandHistory()->push(cmd);
    }

    SetPropertyCommand *cmd = new SetPropertyCommand(fw);
    cmd->init(action, QStringLiteral("text"), m_editor->text());
    fw->commandHistory()->push(cmd);
    fw->endCommand();
}