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/****************************************************************************
**
** 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.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** GNU Lesser General Public License Usage
** Alternatively, 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.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "widgetbox.h"
#include "widgetboxtreewidget.h"
#include "widgetbox_dnditem.h"
#include <QtDesigner/QDesignerFormEditorInterface>
#include <QtDesigner/QDesignerFormWindowManagerInterface>
#include <iconloader_p.h>
#include <qdesigner_utils_p.h>
#include <filterwidget_p.h>
#include <QtGui/QDropEvent>
#include <QtGui/QVBoxLayout>
#include <QtGui/QApplication>
#include <QtGui/QToolBar>
#include <QtGui/QIcon>
QT_BEGIN_NAMESPACE
namespace qdesigner_internal {
WidgetBox::WidgetBox(QDesignerFormEditorInterface *core, QWidget *parent, Qt::WindowFlags flags)
: QDesignerWidgetBox(parent, flags),
m_core(core),
m_view(new WidgetBoxTreeWidget(m_core))
{
QVBoxLayout *l = new QVBoxLayout(this);
l->setMargin(0);
l->setSpacing(0);
// Prevent the filter from grabbing focus since Our view has Qt::NoFocus
FilterWidget *filterWidget = new FilterWidget(0, FilterWidget::LayoutAlignNone);
filterWidget->setRefuseFocus(true);
connect(filterWidget, SIGNAL(filterChanged(QString)), m_view, SLOT(filter(QString)));
QToolBar *toolBar = new QToolBar(this);
toolBar->addWidget(filterWidget);
l->addWidget(toolBar);
// View
connect(m_view, SIGNAL(pressed(QString,QString,QPoint)),
this, SLOT(handleMousePress(QString,QString,QPoint)));
l->addWidget(m_view);
setAcceptDrops (true);
}
WidgetBox::~WidgetBox()
{
}
QDesignerFormEditorInterface *WidgetBox::core() const
{
return m_core;
}
void WidgetBox::handleMousePress(const QString &name, const QString &xml, const QPoint &global_mouse_pos)
{
if (QApplication::mouseButtons() != Qt::LeftButton)
return;
DomUI *ui = xmlToUi(name, xml, true);
if (ui == 0)
return;
QList<QDesignerDnDItemInterface*> item_list;
item_list.append(new WidgetBoxDnDItem(core(), ui, global_mouse_pos));
m_core->formWindowManager()->dragItems(item_list);
}
int WidgetBox::categoryCount() const
{
return m_view->categoryCount();
}
QDesignerWidgetBoxInterface::Category WidgetBox::category(int cat_idx) const
{
return m_view->category(cat_idx);
}
void WidgetBox::addCategory(const Category &cat)
{
m_view->addCategory(cat);
}
void WidgetBox::removeCategory(int cat_idx)
{
m_view->removeCategory(cat_idx);
}
int WidgetBox::widgetCount(int cat_idx) const
{
return m_view->widgetCount(cat_idx);
}
QDesignerWidgetBoxInterface::Widget WidgetBox::widget(int cat_idx, int wgt_idx) const
{
return m_view->widget(cat_idx, wgt_idx);
}
void WidgetBox::addWidget(int cat_idx, const Widget &wgt)
{
m_view->addWidget(cat_idx, wgt);
}
void WidgetBox::removeWidget(int cat_idx, int wgt_idx)
{
m_view->removeWidget(cat_idx, wgt_idx);
}
void WidgetBox::dropWidgets(const QList<QDesignerDnDItemInterface*> &item_list, const QPoint&)
{
m_view->dropWidgets(item_list);
}
void WidgetBox::setFileName(const QString &file_name)
{
m_view->setFileName(file_name);
}
QString WidgetBox::fileName() const
{
return m_view->fileName();
}
bool WidgetBox::load()
{
return m_view->load(loadMode());
}
bool WidgetBox::loadContents(const QString &contents)
{
return m_view->loadContents(contents);
}
bool WidgetBox::save()
{
return m_view->save();
}
static const QDesignerMimeData *checkDragEvent(QDropEvent * event,
bool acceptEventsFromWidgetBox)
{
const QDesignerMimeData *mimeData = qobject_cast<const QDesignerMimeData *>(event->mimeData());
if (!mimeData) {
event->ignore();
return 0;
}
// If desired, ignore a widget box drag and drop, where widget==0.
if (!acceptEventsFromWidgetBox) {
const bool fromWidgetBox = !mimeData->items().first()->widget();
if (fromWidgetBox) {
event->ignore();
return 0;
}
}
mimeData->acceptEvent(event);
return mimeData;
}
void WidgetBox::dragEnterEvent (QDragEnterEvent * event)
{
// We accept event originating from the widget box also here,
// because otherwise Windows will not show the DnD pixmap.
checkDragEvent(event, true);
}
void WidgetBox::dragMoveEvent(QDragMoveEvent * event)
{
checkDragEvent(event, true);
}
void WidgetBox::dropEvent(QDropEvent * event)
{
const QDesignerMimeData *mimeData = checkDragEvent(event, false);
if (!mimeData)
return;
dropWidgets(mimeData->items(), event->pos());
QDesignerMimeData::removeMovedWidgetsFromSourceForm(mimeData->items());
}
QIcon WidgetBox::iconForWidget(const QString &className, const QString &category) const
{
Widget widgetData;
if (!findWidget(this, className, category, &widgetData))
return QIcon();
return m_view->iconForWidget(widgetData.iconName());
}
} // namespace qdesigner_internal
QT_END_NAMESPACE
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