source: trunk/tools/designer/src/components/widgetbox/widgetbox.cpp

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** This file is part of the Qt Designer of the Qt Toolkit.
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#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);
}