/**************************************************************************** | |
** | |
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). | |
** All rights reserved. | |
** Contact: Nokia Corporation (qt-info@nokia.com) | |
** | |
** This file is part of the Qt Designer of the Qt Toolkit. | |
** | |
** $QT_BEGIN_LICENSE:LGPL$ | |
** GNU Lesser General Public License Usage | |
** This file may be used under the terms of the GNU Lesser General Public | |
** License version 2.1 as published by the Free Software Foundation and | |
** appearing in the file LICENSE.LGPL included in the packaging of this | |
** file. Please review the following information to ensure the GNU Lesser | |
** General Public License version 2.1 requirements will be met: | |
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. | |
** | |
** In addition, as a special exception, Nokia gives you certain additional | |
** rights. These rights are described in the Nokia Qt LGPL Exception | |
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. | |
** | |
** GNU General Public License Usage | |
** Alternatively, this file may be used under the terms of the GNU General | |
** Public License version 3.0 as published by the Free Software Foundation | |
** and appearing in the file LICENSE.GPL included in the packaging of this | |
** file. Please review the following information to ensure the GNU General | |
** Public License version 3.0 requirements will be met: | |
** http://www.gnu.org/copyleft/gpl.html. | |
** | |
** Other Usage | |
** Alternatively, this file may be used in accordance with the terms and | |
** conditions contained in a signed written agreement between you and Nokia. | |
** | |
** | |
** | |
** | |
** | |
** $QT_END_LICENSE$ | |
** | |
****************************************************************************/ | |
#include "qdesigner_command2_p.h" | |
#include "formwindowbase_p.h" | |
#include "layoutinfo_p.h" | |
#include "qdesigner_command_p.h" | |
#include "widgetfactory_p.h" | |
#include "qlayout_widget_p.h" | |
#include <QtDesigner/QDesignerFormEditorInterface> | |
#include <QtDesigner/QDesignerMetaDataBaseInterface> | |
#include <QtGui/QApplication> | |
#include <QtGui/QLayout> | |
QT_BEGIN_NAMESPACE | |
namespace qdesigner_internal { | |
MorphLayoutCommand::MorphLayoutCommand(QDesignerFormWindowInterface *formWindow) : | |
QDesignerFormWindowCommand(QString(), formWindow), | |
m_breakLayoutCommand(new BreakLayoutCommand(formWindow)), | |
m_layoutCommand(new LayoutCommand(formWindow)), | |
m_newType(LayoutInfo::VBox), | |
m_layoutBase(0) | |
{ | |
} | |
MorphLayoutCommand::~MorphLayoutCommand() | |
{ | |
delete m_layoutCommand; | |
delete m_breakLayoutCommand; | |
} | |
bool MorphLayoutCommand::init(QWidget *w, int newType) | |
{ | |
int oldType; | |
QDesignerFormWindowInterface *fw = formWindow(); | |
if (!canMorph(fw, w, &oldType) || oldType == newType) | |
return false; | |
m_layoutBase = w; | |
m_newType = newType; | |
// Find all managed widgets | |
m_widgets.clear(); | |
const QLayout *layout = LayoutInfo::managedLayout(fw->core(), w); | |
const int count = layout->count(); | |
for (int i = 0; i < count ; i++) { | |
if (QWidget *w = layout->itemAt(i)->widget()) | |
if (fw->isManaged(w)) | |
m_widgets.push_back(w); | |
} | |
const bool reparentLayoutWidget = false; // leave QLayoutWidget intact | |
m_breakLayoutCommand->init(m_widgets, m_layoutBase, reparentLayoutWidget); | |
m_layoutCommand->init(m_layoutBase, m_widgets, static_cast<LayoutInfo::Type>(m_newType), m_layoutBase, reparentLayoutWidget); | |
setText(formatDescription(core(), m_layoutBase, oldType, newType)); | |
return true; | |
} | |
bool MorphLayoutCommand::canMorph(const QDesignerFormWindowInterface *formWindow, QWidget *w, int *ptrToCurrentType) | |
{ | |
if (ptrToCurrentType) | |
*ptrToCurrentType = LayoutInfo::NoLayout; | |
// We want a managed widget or a container page | |
// with a level-0 managed layout | |
QDesignerFormEditorInterface *core = formWindow->core(); | |
QLayout *layout = LayoutInfo::managedLayout(core, w); | |
if (!layout) | |
return false; | |
const LayoutInfo::Type type = LayoutInfo::layoutType(core, layout); | |
if (ptrToCurrentType) | |
*ptrToCurrentType = type; | |
switch (type) { | |
case LayoutInfo::HBox: | |
case LayoutInfo::VBox: | |
case LayoutInfo::Grid: | |
case LayoutInfo::Form: | |
return true; | |
break; | |
case LayoutInfo::NoLayout: | |
case LayoutInfo::HSplitter: // Nothing doing | |
case LayoutInfo::VSplitter: | |
case LayoutInfo::UnknownLayout: | |
break; | |
} | |
return false; | |
} | |
void MorphLayoutCommand::redo() | |
{ | |
m_breakLayoutCommand->redo(); | |
m_layoutCommand->redo(); | |
/* Transfer applicable properties which is a cross-section of the modified | |
* properties except object name. */ | |
if (const LayoutProperties *properties = m_breakLayoutCommand->layoutProperties()) { | |
const int oldMask = m_breakLayoutCommand->propertyMask(); | |
QLayout *newLayout = LayoutInfo::managedLayout(core(), m_layoutBase); | |
const int newMask = LayoutProperties::visibleProperties(newLayout); | |
const int applicableMask = (oldMask & newMask) & ~LayoutProperties::ObjectNameProperty; | |
if (applicableMask) | |
properties->toPropertySheet(core(), newLayout, applicableMask); | |
} | |
} | |
void MorphLayoutCommand::undo() | |
{ | |
m_layoutCommand->undo(); | |
m_breakLayoutCommand->undo(); | |
} | |
QString MorphLayoutCommand::formatDescription(QDesignerFormEditorInterface * /* core*/, const QWidget *w, int oldType, int newType) | |
{ | |
const QString oldName = LayoutInfo::layoutName(static_cast<LayoutInfo::Type>(oldType)); | |
const QString newName = LayoutInfo::layoutName(static_cast<LayoutInfo::Type>(newType)); | |
const QString widgetName = qobject_cast<const QLayoutWidget*>(w) ? w->layout()->objectName() : w->objectName(); | |
return QApplication::translate("Command", "Change layout of '%1' from %2 to %3").arg(widgetName, oldName, newName); | |
} | |
} // namespace qdesigner_internal | |
QT_END_NAMESPACE |