/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia.  For licensing terms and
** conditions see http://qt.digia.com/licensing.  For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** 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, Digia gives you certain additional
** rights.  These rights are described in the Digia 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.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/

#include "controls.h"

#include <QGridLayout>
#include <QVBoxLayout>
#include <QHBoxLayout>
#include <QRadioButton>
#include <QCheckBox>
#include <QRadioButton>
#include <QButtonGroup>
#include <QDebug>

HintControl::HintControl(QWidget *parent)
    : QGroupBox(tr("Hints"), parent)
    , msWindowsFixedSizeDialogCheckBox(new QCheckBox(tr("MS Windows fixed size dialog")))
    , x11BypassWindowManagerCheckBox(new QCheckBox(tr("X11 bypass window manager")))
    , framelessWindowCheckBox(new QCheckBox(tr("Frameless window")))
    , windowTitleCheckBox(new QCheckBox(tr("Window title")))
    , windowSystemMenuCheckBox(new QCheckBox(tr("Window system menu")))
    , windowMinimizeButtonCheckBox(new QCheckBox(tr("Window minimize button")))
    , windowMaximizeButtonCheckBox(new QCheckBox(tr("Window maximize button")))
    , windowFullscreenButtonCheckBox(new QCheckBox(tr("Window fullscreen button")))
    , windowCloseButtonCheckBox(new QCheckBox(tr("Window close button")))
    , windowContextHelpButtonCheckBox(new QCheckBox(tr("Window context help button")))
    , windowShadeButtonCheckBox(new QCheckBox(tr("Window shade button")))
    , windowStaysOnTopCheckBox(new QCheckBox(tr("Window stays on top")))
    , windowStaysOnBottomCheckBox(new QCheckBox(tr("Window stays on bottom")))
    , customizeWindowHintCheckBox(new QCheckBox(tr("Customize window")))
    , transparentForInputCheckBox(new QCheckBox(tr("Transparent for input")))
{
    connect(msWindowsFixedSizeDialogCheckBox, SIGNAL(clicked()), this, SLOT(slotCheckBoxChanged()));
    connect(x11BypassWindowManagerCheckBox, SIGNAL(clicked()), this, SLOT(slotCheckBoxChanged()));
    connect(framelessWindowCheckBox, SIGNAL(clicked()), this, SLOT(slotCheckBoxChanged()));
    connect(windowTitleCheckBox, SIGNAL(clicked()), this, SLOT(slotCheckBoxChanged()));
    connect(windowSystemMenuCheckBox, SIGNAL(clicked()), this, SLOT(slotCheckBoxChanged()));
    connect(windowMinimizeButtonCheckBox, SIGNAL(clicked()), this, SLOT(slotCheckBoxChanged()));
    connect(windowMaximizeButtonCheckBox, SIGNAL(clicked()), this, SLOT(slotCheckBoxChanged()));
    connect(windowFullscreenButtonCheckBox, SIGNAL(clicked()), this, SLOT(slotCheckBoxChanged()));
    connect(windowCloseButtonCheckBox, SIGNAL(clicked()), this, SLOT(slotCheckBoxChanged()));
    connect(windowContextHelpButtonCheckBox, SIGNAL(clicked()), this, SLOT(slotCheckBoxChanged()));
    connect(windowShadeButtonCheckBox, SIGNAL(clicked()), this, SLOT(slotCheckBoxChanged()));
    connect(windowStaysOnTopCheckBox, SIGNAL(clicked()), this, SLOT(slotCheckBoxChanged()));
    connect(windowStaysOnBottomCheckBox, SIGNAL(clicked()), this, SLOT(slotCheckBoxChanged()));
    connect(customizeWindowHintCheckBox, SIGNAL(clicked()), this, SLOT(slotCheckBoxChanged()));
    connect(transparentForInputCheckBox, SIGNAL(clicked()), this, SLOT(slotCheckBoxChanged()));
    QGridLayout *layout = new QGridLayout(this);
    layout->setSpacing(0);
    layout->setMargin(ControlLayoutMargin);
    layout->addWidget(msWindowsFixedSizeDialogCheckBox, 0, 0);
    layout->addWidget(x11BypassWindowManagerCheckBox, 1, 0);
    layout->addWidget(framelessWindowCheckBox, 2, 0);
    layout->addWidget(windowTitleCheckBox, 3, 0);
    layout->addWidget(windowSystemMenuCheckBox, 4, 0);
    layout->addWidget(windowMinimizeButtonCheckBox, 0, 1);
    layout->addWidget(windowMaximizeButtonCheckBox, 1, 1);
    layout->addWidget(windowFullscreenButtonCheckBox, 2, 1);
    layout->addWidget(windowCloseButtonCheckBox, 3, 1);
    layout->addWidget(windowContextHelpButtonCheckBox, 4, 1);
    layout->addWidget(windowShadeButtonCheckBox, 5, 1);
    layout->addWidget(windowStaysOnTopCheckBox, 6, 1);
    layout->addWidget(windowStaysOnBottomCheckBox, 7, 1);
    layout->addWidget(customizeWindowHintCheckBox, 5, 0);
    layout->addWidget(transparentForInputCheckBox, 6, 0);
#if QT_VERSION < 0x050000
    transparentForInputCheckBox->setEnabled(false);
#endif
}

Qt::WindowFlags HintControl::hints() const
{
    Qt::WindowFlags flags = 0;
    if (msWindowsFixedSizeDialogCheckBox->isChecked())
        flags |= Qt::MSWindowsFixedSizeDialogHint;
    if (x11BypassWindowManagerCheckBox->isChecked())
        flags |= Qt::X11BypassWindowManagerHint;
    if (framelessWindowCheckBox->isChecked())
        flags |= Qt::FramelessWindowHint;
    if (windowTitleCheckBox->isChecked())
        flags |= Qt::WindowTitleHint;
    if (windowSystemMenuCheckBox->isChecked())
        flags |= Qt::WindowSystemMenuHint;
    if (windowMinimizeButtonCheckBox->isChecked())
        flags |= Qt::WindowMinimizeButtonHint;
    if (windowMaximizeButtonCheckBox->isChecked())
        flags |= Qt::WindowMaximizeButtonHint;
    if (windowFullscreenButtonCheckBox->isChecked())
        flags |= Qt::WindowFullscreenButtonHint;
    if (windowCloseButtonCheckBox->isChecked())
        flags |= Qt::WindowCloseButtonHint;
    if (windowContextHelpButtonCheckBox->isChecked())
        flags |= Qt::WindowContextHelpButtonHint;
    if (windowShadeButtonCheckBox->isChecked())
        flags |= Qt::WindowShadeButtonHint;
    if (windowStaysOnTopCheckBox->isChecked())
        flags |= Qt::WindowStaysOnTopHint;
    if (windowStaysOnBottomCheckBox->isChecked())
        flags |= Qt::WindowStaysOnBottomHint;
    if (customizeWindowHintCheckBox->isChecked())
        flags |= Qt::CustomizeWindowHint;
#if QT_VERSION >= 0x050000
    if (transparentForInputCheckBox->isChecked())
        flags |= Qt::WindowTransparentForInput;
#endif
    return flags;
}

void HintControl::setHints(Qt::WindowFlags flags)
{
    msWindowsFixedSizeDialogCheckBox->setChecked(flags & Qt::MSWindowsFixedSizeDialogHint);
    x11BypassWindowManagerCheckBox->setChecked(flags & Qt::X11BypassWindowManagerHint);
    framelessWindowCheckBox->setChecked(flags & Qt::FramelessWindowHint);
    windowTitleCheckBox->setChecked(flags & Qt::WindowTitleHint);
    windowSystemMenuCheckBox->setChecked(flags & Qt::WindowSystemMenuHint);
    windowMinimizeButtonCheckBox->setChecked(flags & Qt::WindowMinimizeButtonHint);
    windowMaximizeButtonCheckBox->setChecked(flags & Qt::WindowMaximizeButtonHint);
    windowFullscreenButtonCheckBox->setChecked(flags & Qt::WindowFullscreenButtonHint);
    windowCloseButtonCheckBox->setChecked(flags & Qt::WindowCloseButtonHint);
    windowContextHelpButtonCheckBox->setChecked(flags & Qt::WindowContextHelpButtonHint);
    windowShadeButtonCheckBox->setChecked(flags & Qt::WindowShadeButtonHint);
    windowStaysOnTopCheckBox->setChecked(flags & Qt::WindowStaysOnTopHint);
    windowStaysOnBottomCheckBox->setChecked(flags & Qt::WindowStaysOnBottomHint);
    customizeWindowHintCheckBox->setChecked(flags & Qt::CustomizeWindowHint);
#if QT_VERSION >= 0x050000
    transparentForInputCheckBox->setChecked(flags & Qt::WindowTransparentForInput);
#endif
}

void HintControl::slotCheckBoxChanged()
{
    emit changed(hints());
}

WindowStateControl::WindowStateControl(unsigned flags, QWidget *parent)
    : QWidget(parent)
    , group(new QButtonGroup)
    , visibleCheckBox(0)
    , restoreButton(new QRadioButton(tr("Normal")))
    , minimizeButton(0)
    , maximizeButton(new QRadioButton(tr("Maximized")))
    , fullscreenButton(new QRadioButton(tr("Fullscreen")))
{
    QHBoxLayout *layout = new QHBoxLayout(this);
    layout->setSpacing(0);
    layout->setMargin(ControlLayoutMargin);
    if (flags & WantVisibleCheckBox) {
        visibleCheckBox = new QCheckBox(tr("Visible"));
        connect(visibleCheckBox, SIGNAL(toggled(bool)), this, SIGNAL(changed()));
        layout->addWidget(visibleCheckBox);
    }

    group->setExclusive(true);
    if (flags & WantMinimizeRadioButton) {
        minimizeButton = new QRadioButton(tr("Minimized"));
        group->addButton(minimizeButton, Qt::WindowMinimized);
        layout->addWidget(minimizeButton);
    }
    group->addButton(restoreButton, Qt::WindowNoState);
    layout->addWidget(restoreButton);
    group->addButton(maximizeButton, Qt::WindowMaximized);
    layout->addWidget(maximizeButton);
    group->addButton(fullscreenButton, Qt::WindowFullScreen);
    layout->addWidget(fullscreenButton);
    connect(group, SIGNAL(buttonReleased(int)), this, SIGNAL(changed()));
}

Qt::WindowState WindowStateControl::state() const
{
    return Qt::WindowState(group->checkedId());
}

void WindowStateControl::setState(Qt::WindowState s)
{
    group->blockSignals(true);
    if (QAbstractButton *b = group->button(s))
        b->setChecked(true);
    group->blockSignals(false);
}

bool WindowStateControl::visibleValue() const
{
    return visibleCheckBox && visibleCheckBox->isChecked();
}

void WindowStateControl::setVisibleValue(bool v)
{
    if (visibleCheckBox) {
        visibleCheckBox->blockSignals(true);
        visibleCheckBox->setChecked(v);
        visibleCheckBox->blockSignals(false);
    }
}

WindowStatesControl::WindowStatesControl(unsigned flags, QWidget *parent)
    : QGroupBox(tr("States"), parent)
    , visibleCheckBox(0)
    , activeCheckBox(0)
    , minimizeCheckBox(new QCheckBox(tr("Minimized")))
    , stateControl(new WindowStateControl(0))
{
    QHBoxLayout *layout = new QHBoxLayout(this);
    layout->setSpacing(0);
    layout->setMargin(ControlLayoutMargin);
    if (flags & WantVisibleCheckBox) {
        visibleCheckBox = new QCheckBox(tr("Visible"));
        connect(visibleCheckBox, SIGNAL(toggled(bool)), this, SIGNAL(changed()));
        layout->addWidget(visibleCheckBox);
    }
    if (flags & WantActiveCheckBox) {
        activeCheckBox = new QCheckBox(tr("Active"));
        connect(activeCheckBox, SIGNAL(toggled(bool)), this, SIGNAL(changed()));
        layout->addWidget(activeCheckBox);
    }
    layout->addWidget(minimizeCheckBox);
    layout->addWidget(stateControl);
    connect(stateControl, SIGNAL(changed()), this, SIGNAL(changed()));
    connect(minimizeCheckBox, SIGNAL(clicked()), this, SIGNAL(changed()));
}

Qt::WindowStates WindowStatesControl::states() const
{
    Qt::WindowStates s = stateControl->state();
    if (minimizeCheckBox->isChecked())
        s |= Qt::WindowMinimized;
    if (activeValue())
        s |= Qt::WindowActive;
    return s;
}

void WindowStatesControl::setStates(Qt::WindowStates s)
{
    minimizeCheckBox->blockSignals(true);
    minimizeCheckBox->setChecked(s & Qt::WindowMinimized);
    minimizeCheckBox->blockSignals(false);
    s &= ~Qt::WindowMinimized;
    stateControl->setState(Qt::WindowState(int(s)));
    setActiveValue(s & Qt::WindowActive);
}

bool WindowStatesControl::visibleValue() const
{
    return visibleCheckBox && visibleCheckBox->isChecked();
}

void WindowStatesControl::setVisibleValue(bool v)
{
    if (visibleCheckBox) {
        visibleCheckBox->blockSignals(true);
        visibleCheckBox->setChecked(v);
        visibleCheckBox->blockSignals(false);
    }
}

bool WindowStatesControl::activeValue() const
{
    return activeCheckBox && activeCheckBox->isChecked();
}

void WindowStatesControl::setActiveValue(bool v)
{
    if (activeCheckBox) {
        activeCheckBox->blockSignals(true);
        activeCheckBox->setChecked(v);
        activeCheckBox->blockSignals(false);
    }
}

TypeControl::TypeControl(QWidget *parent)
    : QGroupBox(tr("Type"), parent)
    , group(new QButtonGroup)
    , windowRadioButton(new QRadioButton(tr("Window")))
    , dialogRadioButton(new QRadioButton(tr("Dialog")))
    , sheetRadioButton(new QRadioButton(tr("Sheet")))
    , drawerRadioButton(new QRadioButton(tr("Drawer")))
    , popupRadioButton(new QRadioButton(tr("Popup")))
    , toolRadioButton(new QRadioButton(tr("Tool")))
    , toolTipRadioButton(new QRadioButton(tr("Tooltip")))
    , splashScreenRadioButton(new QRadioButton(tr("Splash screen")))
{
    group->setExclusive(true);
    QGridLayout *layout = new QGridLayout(this);
    layout->setSpacing(0);
    layout->setMargin(ControlLayoutMargin);
    group->addButton(windowRadioButton, Qt::Window);
    layout->addWidget(windowRadioButton, 0, 0);
    group->addButton(dialogRadioButton, Qt::Dialog);
    layout->addWidget(dialogRadioButton, 1, 0);
    group->addButton(sheetRadioButton, Qt::Sheet);
    layout->addWidget(sheetRadioButton, 2, 0);
    group->addButton(drawerRadioButton, Qt::Drawer);
    layout->addWidget(drawerRadioButton, 3, 0);
    group->addButton(popupRadioButton, Qt::Popup);
    layout->addWidget(popupRadioButton, 0, 1);
    group->addButton(toolRadioButton, Qt::Tool);
    layout->addWidget(toolRadioButton, 1, 1);
    group->addButton(toolTipRadioButton, Qt::ToolTip);
    layout->addWidget(toolTipRadioButton, 2, 1);
    group->addButton(splashScreenRadioButton, Qt::SplashScreen);
    layout->addWidget(splashScreenRadioButton, 3, 1);
    connect(group, SIGNAL(buttonReleased(int)), this, SLOT(slotChanged()));
}

Qt::WindowFlags TypeControl::type() const
{
    return Qt::WindowFlags(group->checkedId());
}

void TypeControl::setType(Qt::WindowFlags s)
{
    if (QAbstractButton *b = group->button(s & Qt::WindowType_Mask))
        b->setChecked(true);
}

void TypeControl::slotChanged()
{
    emit changed(type());
}
