/**************************************************************************** | |
** | |
** 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_stackedbox_p.h" | |
#include "qdesigner_command_p.h" | |
#include "qdesigner_propertycommand_p.h" | |
#include "orderdialog_p.h" | |
#include "promotiontaskmenu_p.h" | |
#include "widgetfactory_p.h" | |
#include <QtDesigner/QDesignerFormWindowInterface> | |
#include <QtGui/QToolButton> | |
#include <QtGui/QAction> | |
#include <QtGui/qevent.h> | |
#include <QtGui/QMenu> | |
#include <QtGui/QStackedWidget> | |
#include <QtCore/QDebug> | |
QT_BEGIN_NAMESPACE | |
static QToolButton *createToolButton(QWidget *parent, Qt::ArrowType at, const QString &name) { | |
QToolButton *rc = new QToolButton(); | |
rc->setAttribute(Qt::WA_NoChildEventsForParent, true); | |
rc->setParent(parent); | |
rc->setObjectName(name); | |
rc->setArrowType(at); | |
rc->setAutoRaise(true); | |
rc->setSizePolicy(QSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed)); | |
rc->setFixedSize(QSize(15, 15)); | |
return rc; | |
} | |
// --------------- QStackedWidgetPreviewEventFilter | |
QStackedWidgetPreviewEventFilter::QStackedWidgetPreviewEventFilter(QStackedWidget *parent) : | |
QObject(parent), | |
m_buttonToolTipEnabled(false), // Not on preview | |
m_stackedWidget(parent), | |
m_prev(createToolButton(m_stackedWidget, Qt::LeftArrow, QLatin1String("__qt__passive_prev"))), | |
m_next(createToolButton(m_stackedWidget, Qt::RightArrow, QLatin1String("__qt__passive_next"))) | |
{ | |
connect(m_prev, SIGNAL(clicked()), this, SLOT(prevPage())); | |
connect(m_next, SIGNAL(clicked()), this, SLOT(nextPage())); | |
updateButtons(); | |
m_stackedWidget->installEventFilter(this); | |
m_prev->installEventFilter(this); | |
m_next->installEventFilter(this); | |
} | |
void QStackedWidgetPreviewEventFilter::install(QStackedWidget *stackedWidget) | |
{ | |
new QStackedWidgetPreviewEventFilter(stackedWidget); | |
} | |
void QStackedWidgetPreviewEventFilter::updateButtons() | |
{ | |
m_prev->move(m_stackedWidget->width() - 31, 1); | |
m_prev->show(); | |
m_prev->raise(); | |
m_next->move(m_stackedWidget->width() - 16, 1); | |
m_next->show(); | |
m_next->raise(); | |
} | |
void QStackedWidgetPreviewEventFilter::prevPage() | |
{ | |
if (QDesignerFormWindowInterface *fw = QDesignerFormWindowInterface::findFormWindow(stackedWidget())) { | |
fw->clearSelection(); | |
fw->selectWidget(stackedWidget(), true); | |
} | |
const int count = m_stackedWidget->count(); | |
if (count > 1) { | |
int newIndex = m_stackedWidget->currentIndex() - 1; | |
if (newIndex < 0) | |
newIndex = count - 1; | |
gotoPage(newIndex); | |
} | |
} | |
void QStackedWidgetPreviewEventFilter::nextPage() | |
{ | |
if (QDesignerFormWindowInterface *fw = QDesignerFormWindowInterface::findFormWindow(stackedWidget())) { | |
fw->clearSelection(); | |
fw->selectWidget(stackedWidget(), true); | |
} | |
const int count = m_stackedWidget->count(); | |
if (count > 1) | |
gotoPage((m_stackedWidget->currentIndex() + 1) % count); | |
} | |
bool QStackedWidgetPreviewEventFilter::eventFilter(QObject *watched, QEvent *event) | |
{ | |
if (watched->isWidgetType()) { | |
if (watched == m_stackedWidget) { | |
switch (event->type()) { | |
case QEvent::LayoutRequest: | |
updateButtons(); | |
break; | |
case QEvent::ChildAdded: | |
case QEvent::ChildRemoved: | |
case QEvent::Resize: | |
case QEvent::Show: | |
updateButtons(); | |
break; | |
default: | |
break; | |
} | |
} | |
if (m_buttonToolTipEnabled && (watched == m_next || watched == m_prev)) { | |
switch (event->type()) { | |
case QEvent::ToolTip: | |
updateButtonToolTip(watched); // Tooltip includes page number, so, refresh on demand | |
break; | |
default: | |
break; | |
} | |
} | |
} | |
return QObject::eventFilter(watched, event); | |
} | |
void QStackedWidgetPreviewEventFilter::gotoPage(int page) | |
{ | |
m_stackedWidget->setCurrentIndex(page); | |
updateButtons(); | |
} | |
static inline QString stackedClassName(QStackedWidget *w) | |
{ | |
if (const QDesignerFormWindowInterface *fw = QDesignerFormWindowInterface::findFormWindow(w)) | |
return qdesigner_internal::WidgetFactory::classNameOf(fw->core(), w); | |
return QLatin1String("Stacked widget"); | |
} | |
void QStackedWidgetPreviewEventFilter::updateButtonToolTip(QObject *o) | |
{ | |
QString className = QLatin1String("Stacked widget"); | |
if (const QDesignerFormWindowInterface *fw = QDesignerFormWindowInterface::findFormWindow(m_stackedWidget)) | |
className = qdesigner_internal::WidgetFactory::classNameOf(fw->core(), m_stackedWidget); | |
if (o == m_prev) { | |
const QString msg = tr("Go to previous page of %1 '%2' (%3/%4).").arg(stackedClassName(m_stackedWidget)).arg(m_stackedWidget->objectName()).arg(m_stackedWidget->currentIndex() + 1).arg(m_stackedWidget->count()); | |
m_prev->setToolTip(msg); | |
} else { | |
if (o == m_next) { | |
const QString msg = tr("Go to next page of %1 '%2' (%3/%4).").arg(stackedClassName(m_stackedWidget)).arg(m_stackedWidget->objectName()).arg(m_stackedWidget->currentIndex() + 1).arg(m_stackedWidget->count()); | |
m_next->setToolTip(msg); | |
} | |
} | |
} | |
// --------------- QStackedWidgetEventFilter | |
QStackedWidgetEventFilter::QStackedWidgetEventFilter(QStackedWidget *parent) : | |
QStackedWidgetPreviewEventFilter(parent), | |
m_actionPreviousPage(new QAction(tr("Previous Page"), this)), | |
m_actionNextPage(new QAction(tr("Next Page"), this)), | |
m_actionDeletePage(new QAction(tr("Delete"), this)), | |
m_actionInsertPage(new QAction(tr("Before Current Page"), this)), | |
m_actionInsertPageAfter(new QAction(tr("After Current Page"), this)), | |
m_actionChangePageOrder(new QAction(tr("Change Page Order..."), this)), | |
m_pagePromotionTaskMenu(new qdesigner_internal::PromotionTaskMenu(0, qdesigner_internal::PromotionTaskMenu::ModeSingleWidget, this)) | |
{ | |
setButtonToolTipEnabled(true); | |
connect(m_actionPreviousPage, SIGNAL(triggered()), this, SLOT(prevPage())); | |
connect(m_actionNextPage, SIGNAL(triggered()), this, SLOT(nextPage())); | |
connect(m_actionDeletePage, SIGNAL(triggered()), this, SLOT(removeCurrentPage())); | |
connect(m_actionInsertPage, SIGNAL(triggered()), this, SLOT(addPage())); | |
connect(m_actionInsertPageAfter, SIGNAL(triggered()), this, SLOT(addPageAfter())); | |
connect(m_actionChangePageOrder, SIGNAL(triggered()), this, SLOT(changeOrder())); | |
} | |
void QStackedWidgetEventFilter::install(QStackedWidget *stackedWidget) | |
{ | |
new QStackedWidgetEventFilter(stackedWidget); | |
} | |
QStackedWidgetEventFilter *QStackedWidgetEventFilter::eventFilterOf(const QStackedWidget *stackedWidget) | |
{ | |
// Look for 1st order children only..otherwise, we might get filters of nested widgets | |
const QObjectList children = stackedWidget->children(); | |
const QObjectList::const_iterator cend = children.constEnd(); | |
for (QObjectList::const_iterator it = children.constBegin(); it != cend; ++it) { | |
QObject *o = *it; | |
if (!o->isWidgetType()) | |
if (QStackedWidgetEventFilter *ef = qobject_cast<QStackedWidgetEventFilter *>(o)) | |
return ef; | |
} | |
return 0; | |
} | |
QMenu *QStackedWidgetEventFilter::addStackedWidgetContextMenuActions(const QStackedWidget *stackedWidget, QMenu *popup) | |
{ | |
QStackedWidgetEventFilter *filter = eventFilterOf(stackedWidget); | |
if (!filter) | |
return 0; | |
return filter->addContextMenuActions(popup); | |
} | |
void QStackedWidgetEventFilter::removeCurrentPage() | |
{ | |
if (stackedWidget()->currentIndex() == -1) | |
return; | |
if (QDesignerFormWindowInterface *fw = QDesignerFormWindowInterface::findFormWindow(stackedWidget())) { | |
qdesigner_internal::DeleteStackedWidgetPageCommand *cmd = new qdesigner_internal::DeleteStackedWidgetPageCommand(fw); | |
cmd->init(stackedWidget()); | |
fw->commandHistory()->push(cmd); | |
} | |
} | |
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 QStackedWidgetEventFilter::addPage() | |
{ | |
if (QDesignerFormWindowInterface *fw = QDesignerFormWindowInterface::findFormWindow(stackedWidget())) { | |
qdesigner_internal::AddStackedWidgetPageCommand *cmd = new qdesigner_internal::AddStackedWidgetPageCommand(fw); | |
cmd->init(stackedWidget(), qdesigner_internal::AddStackedWidgetPageCommand::InsertBefore); | |
fw->commandHistory()->push(cmd); | |
} | |
} | |
void QStackedWidgetEventFilter::addPageAfter() | |
{ | |
if (QDesignerFormWindowInterface *fw = QDesignerFormWindowInterface::findFormWindow(stackedWidget())) { | |
qdesigner_internal::AddStackedWidgetPageCommand *cmd = new qdesigner_internal::AddStackedWidgetPageCommand(fw); | |
cmd->init(stackedWidget(), qdesigner_internal::AddStackedWidgetPageCommand::InsertAfter); | |
fw->commandHistory()->push(cmd); | |
} | |
} | |
void QStackedWidgetEventFilter::gotoPage(int page) { | |
// Are we on a form or in a preview? | |
if (QDesignerFormWindowInterface *fw = QDesignerFormWindowInterface::findFormWindow(stackedWidget())) { | |
qdesigner_internal::SetPropertyCommand *cmd = new qdesigner_internal::SetPropertyCommand(fw); | |
cmd->init(stackedWidget(), QLatin1String("currentIndex"), page); | |
fw->commandHistory()->push(cmd); | |
fw->emitSelectionChanged(); // Magically prevent an endless loop triggered by auto-repeat. | |
updateButtons(); | |
} else { | |
QStackedWidgetPreviewEventFilter::gotoPage(page); | |
} | |
} | |
QMenu *QStackedWidgetEventFilter::addContextMenuActions(QMenu *popup) | |
{ | |
QMenu *pageMenu = 0; | |
const int count = stackedWidget()->count(); | |
const bool hasSeveralPages = count > 1; | |
m_actionDeletePage->setEnabled(count); | |
if (count) { | |
const QString pageSubMenuLabel = tr("Page %1 of %2").arg(stackedWidget()->currentIndex() + 1).arg(count); | |
pageMenu = popup->addMenu(pageSubMenuLabel); | |
pageMenu->addAction(m_actionDeletePage); | |
// Set up promotion menu for current widget. | |
if (QWidget *page = stackedWidget()->currentWidget ()) { | |
m_pagePromotionTaskMenu->setWidget(page); | |
m_pagePromotionTaskMenu->addActions(QDesignerFormWindowInterface::findFormWindow(stackedWidget()), | |
qdesigner_internal::PromotionTaskMenu::SuppressGlobalEdit, | |
pageMenu); | |
} | |
QMenu *insertPageMenu = popup->addMenu(tr("Insert Page")); | |
insertPageMenu->addAction(m_actionInsertPageAfter); | |
insertPageMenu->addAction(m_actionInsertPage); | |
} else { | |
QAction *insertPageAction = popup->addAction(tr("Insert Page")); | |
connect(insertPageAction, SIGNAL(triggered()), this, SLOT(addPage())); | |
} | |
popup->addAction(m_actionNextPage); | |
m_actionNextPage->setEnabled(hasSeveralPages); | |
popup->addAction(m_actionPreviousPage); | |
m_actionPreviousPage->setEnabled(hasSeveralPages); | |
popup->addAction(m_actionChangePageOrder); | |
m_actionChangePageOrder->setEnabled(hasSeveralPages); | |
popup->addSeparator(); | |
return pageMenu; | |
} | |
// -------- QStackedWidgetPropertySheet | |
static const char *pagePropertyName = "currentPageName"; | |
QStackedWidgetPropertySheet::QStackedWidgetPropertySheet(QStackedWidget *object, QObject *parent) : | |
QDesignerPropertySheet(object, parent), | |
m_stackedWidget(object) | |
{ | |
createFakeProperty(QLatin1String(pagePropertyName), QString()); | |
} | |
bool QStackedWidgetPropertySheet::isEnabled(int index) const | |
{ | |
if (propertyName(index) != QLatin1String(pagePropertyName)) | |
return QDesignerPropertySheet::isEnabled(index); | |
return m_stackedWidget->currentWidget() != 0; | |
} | |
void QStackedWidgetPropertySheet::setProperty(int index, const QVariant &value) | |
{ | |
if (propertyName(index) == QLatin1String(pagePropertyName)) { | |
if (QWidget *w = m_stackedWidget->currentWidget()) | |
w->setObjectName(value.toString()); | |
} else { | |
QDesignerPropertySheet::setProperty(index, value); | |
} | |
} | |
QVariant QStackedWidgetPropertySheet::property(int index) const | |
{ | |
if (propertyName(index) == QLatin1String(pagePropertyName)) { | |
if (const QWidget *w = m_stackedWidget->currentWidget()) | |
return w->objectName(); | |
return QString(); | |
} | |
return QDesignerPropertySheet::property(index); | |
} | |
bool QStackedWidgetPropertySheet::reset(int index) | |
{ | |
if (propertyName(index) == QLatin1String(pagePropertyName)) { | |
setProperty(index, QString()); | |
return true; | |
} | |
return QDesignerPropertySheet::reset(index); | |
} | |
bool QStackedWidgetPropertySheet::checkProperty(const QString &propertyName) | |
{ | |
return propertyName != QLatin1String(pagePropertyName); | |
} | |
QT_END_NAMESPACE |