/***************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact:  Qt Software Information (qt-info@nokia.com)
**
** 
** Non-Open Source Usage  
** 
** Licensees may use this file in accordance with the Qt Beta Version
** License Agreement, Agreement version 2.2 provided with the Software or,
** alternatively, in accordance with the terms contained in a written
** agreement between you and Nokia.  
** 
** GNU General Public License Usage 
** 
** Alternatively, this file may be used under the terms of the GNU General
** Public License versions 2.0 or 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 GNU
** General Public Licensing requirements will be met:
**
** http://www.fsf.org/licensing/licenses/info/GPLv2.html and
** http://www.gnu.org/copyleft/gpl.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt GPL Exception version
** 1.2, included in the file GPL_EXCEPTION.txt in this package.  
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***************************************************************************/
#include "disassemblerwindow.h"

#include <QAction>
#include <QDebug>
#include <QHeaderView>
#include <QMenu>
#include <QResizeEvent>


using namespace Debugger::Internal;

DisassemblerWindow::DisassemblerWindow()
    : m_alwaysResizeColumnsToContents(true), m_alwaysReloadContents(false)
{
    setWindowTitle(tr("Disassembler"));
    setSortingEnabled(false);
    setAlternatingRowColors(true);
    setRootIsDecorated(false);
    header()->hide();
    //setIconSize(QSize(10, 10));
    //setWindowIcon(QIcon(":/gdbdebugger/images/debugger_breakpoints.png"));
    //QHeaderView *hv = header();
    //hv->setDefaultAlignment(Qt::AlignLeft);
    //hv->setClickable(true);
    //hv->setSortIndicatorShown(true);
}

void DisassemblerWindow::resizeEvent(QResizeEvent *ev)
{
    //QHeaderView *hv = header();
    //int totalSize = ev->size().width() - 110;
    //hv->resizeSection(0, 60);
    //hv->resizeSection(1, (totalSize * 50) / 100);
    //hv->resizeSection(2, (totalSize * 50) / 100);
    //hv->resizeSection(3, 50);
    QTreeView::resizeEvent(ev);
}

void DisassemblerWindow::contextMenuEvent(QContextMenuEvent *ev)
{
    QMenu menu;
    //QTreeWidgetItem *item = itemAt(ev->pos());
    QAction *act1 = new QAction("Adjust column widths to contents", &menu);
    QAction *act2 = new QAction("Always adjust column widths to contents", &menu);
    act2->setCheckable(true);
    act2->setChecked(m_alwaysResizeColumnsToContents);
    QAction *act3 = new QAction("Reload disassembler listing", &menu);
    QAction *act4 = new QAction("Always reload disassembler listing", &menu);
    act4->setCheckable(true);
    act4->setChecked(m_alwaysReloadContents);
    //if (item) {
    //    menu.addAction(act0);
    //    menu.addSeparator();
    //}
    menu.addAction(act3);
    //menu.addAction(act4);
    menu.addSeparator();
    menu.addAction(act1);
    menu.addAction(act2);

    QAction *act = menu.exec(ev->globalPos());

    if (act == act1)
        resizeColumnsToContents();
    else if (act == act2)
        setAlwaysResizeColumnsToContents(!m_alwaysResizeColumnsToContents);
    else if (act == act3)
        reloadContents();
    else if (act == act2)
        setAlwaysReloadContents(!m_alwaysReloadContents);
}

void DisassemblerWindow::resizeColumnsToContents()
{
    resizeColumnToContents(0);
    resizeColumnToContents(1);
    resizeColumnToContents(2);
}

void DisassemblerWindow::setAlwaysResizeColumnsToContents(bool on)
{
    m_alwaysResizeColumnsToContents = on;
    QHeaderView::ResizeMode mode = on
        ? QHeaderView::ResizeToContents : QHeaderView::Interactive;
    header()->setResizeMode(0, mode);
    header()->setResizeMode(1, mode);
    header()->setResizeMode(2, mode);
}

void DisassemblerWindow::setAlwaysReloadContents(bool on)
{
    m_alwaysReloadContents = on;
    if (m_alwaysReloadContents)
        reloadContents();
}

void DisassemblerWindow::reloadContents()
{
    emit reloadDisassemblerRequested();
}


void DisassemblerWindow::setModel(QAbstractItemModel *model)
{
    QTreeView::setModel(model);
    setAlwaysResizeColumnsToContents(true);
}