tool_widgeteditor.cpp

qt-x11-opensource-src-4.1.4.tar.gz源码

/****************************************************************************
**
** Copyright (C) 1992-2006 Trolltech ASA. All rights reserved.
**
** This file is part of the Qt Designer of the Qt Toolkit.
**
** This file may be used under the terms of the GNU General Public
** License version 2.0 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 GNU
** General Public Licensing requirements will be met:
** http://www.trolltech.com/products/qt/opensource.html
**
** If you are unsure which license is appropriate for your use, please
** review the following information:
** http://www.trolltech.com/products/qt/licensing.html or contact the
** sales department at [e-mail].
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
****************************************************************************/

#include "tool_widgeteditor.h"
#include "formwindow.h"

// sdk
#include <QtDesigner/QtDesigner>
#include <layoutinfo_p.h>

#include <QtGui/qevent.h>
#include <QtGui/QAction>
#include <QtCore/qdebug.h>

using namespace qdesigner_internal;

WidgetEditorTool::WidgetEditorTool(FormWindow *formWindow)
    : QDesignerFormWindowToolInterface(formWindow),
      m_formWindow(formWindow)
{
    m_action = new QAction(tr("Edit Widgets"), this);
}

QAction *WidgetEditorTool::action() const
{
    return m_action;
}

WidgetEditorTool::~WidgetEditorTool()
{
}

QDesignerFormEditorInterface *WidgetEditorTool::core() const
{
    return m_formWindow->core();
}

QDesignerFormWindowInterface *WidgetEditorTool::formWindow() const
{
    return m_formWindow;
}

bool WidgetEditorTool::handleEvent(QWidget *widget, QWidget *managedWidget, QEvent *event)
{
    bool passive = core()->widgetFactory()->isPassiveInteractor(widget) != 0;

    switch (event->type()) {
    case QEvent::Resize:
    case QEvent::Move:
        m_formWindow->updateSelection(widget);
        if (event->type() != QEvent::Resize)
            m_formWindow->updateChildSelections(widget);
        break;

    case QEvent::FocusOut:
    case QEvent::FocusIn:
        return !(passive || widget == m_formWindow);

    case QEvent::KeyPress:
        return !passive && handleKeyPressEvent(widget, managedWidget, static_cast<QKeyEvent*>(event));

    case QEvent::KeyRelease:
        return !passive && handleKeyReleaseEvent(widget, managedWidget, static_cast<QKeyEvent*>(event));

    case QEvent::MouseMove:
        return !passive && handleMouseMoveEvent(widget, managedWidget, static_cast<QMouseEvent*>(event));

    case QEvent::MouseButtonPress:
        return !passive && handleMousePressEvent(widget, managedWidget, static_cast<QMouseEvent*>(event));

    case QEvent::MouseButtonRelease:
        return !passive && handleMouseReleaseEvent(widget, managedWidget, static_cast<QMouseEvent*>(event));

    case QEvent::MouseButtonDblClick:
        return !passive && handleMouseButtonDblClickEvent(widget, managedWidget, static_cast<QMouseEvent*>(event));

    case QEvent::ContextMenu:
        return !passive && handleContextMenu(widget, managedWidget, static_cast<QContextMenuEvent*>(event));

    default: break;

    } // end switch

    return false;
}

// ### remove me

bool WidgetEditorTool::handleContextMenu(QWidget *widget, QWidget *managedWidget, QContextMenuEvent *e)
{
    return m_formWindow->handleContextMenu(widget, managedWidget, e);
}

bool WidgetEditorTool::handleMouseButtonDblClickEvent(QWidget *widget, QWidget *managedWidget, QMouseEvent *e)
{
    return m_formWindow->handleMouseButtonDblClickEvent(widget, managedWidget, e);
}

bool WidgetEditorTool::handleMousePressEvent(QWidget *widget, QWidget *managedWidget, QMouseEvent *e)
{
    return m_formWindow->handleMousePressEvent(widget, managedWidget, e);
}

bool WidgetEditorTool::handleMouseMoveEvent(QWidget *widget, QWidget *managedWidget, QMouseEvent *e)
{
    return m_formWindow->handleMouseMoveEvent(widget, managedWidget, e);
}

bool WidgetEditorTool::handleMouseReleaseEvent(QWidget *widget, QWidget *managedWidget, QMouseEvent *e)
{
    return m_formWindow->handleMouseReleaseEvent(widget, managedWidget, e);
}

bool WidgetEditorTool::handleKeyPressEvent(QWidget *widget, QWidget *managedWidget, QKeyEvent *e)
{
    return m_formWindow->handleKeyPressEvent(widget, managedWidget, e);
}

bool WidgetEditorTool::handleKeyReleaseEvent(QWidget *widget, QWidget *managedWidget, QKeyEvent *e)
{
    return m_formWindow->handleKeyReleaseEvent(widget, managedWidget, e);
}

bool WidgetEditorTool::handlePaintEvent(QWidget *widget, QWidget *managedWidget, QPaintEvent *e)
{
    Q_UNUSED(widget);
    Q_UNUSED(managedWidget);
    Q_UNUSED(e);

    return false;
}

QWidget *WidgetEditorTool::editor() const
{
    Q_ASSERT(formWindow() != 0);
    return formWindow()->mainContainer();
}

void WidgetEditorTool::activated()
{
    if (core()->widgetBox())
        core()->widgetBox()->setEnabled(true);

    if (m_formWindow == 0)
        return;

    QList<QWidget*> sel = m_formWindow->selectedWidgets();
    foreach (QWidget *w, sel)
        m_formWindow->raiseSelection(w);
}

void WidgetEditorTool::deactivated()
{
    if (core()->widgetBox())
        core()->widgetBox()->setEnabled(false);

    if (m_formWindow == 0)
        return;

    m_formWindow->clearSelection();
}