kwin/kcmkwin/kwindecoration/declarative-plugin/previewbutton.cpp
2014-11-11 09:39:45 +01:00

138 lines
3.3 KiB
C++

/*
* Copyright 2014 Martin Gräßlin <mgraesslin@kde.org>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License or (at your option) version 3 or any later version
* accepted by the membership of KDE e.V. (or its successor approved
* by the membership of KDE e.V.), which shall act as a proxy
* defined in Section 14 of version 3 of the license.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "previewbutton.h"
#include "previewbridge.h"
#include "previewclient.h"
#include "previewsettings.h"
#include <KDecoration2/Decoration>
#include <QDebug>
namespace KDecoration2
{
namespace Preview
{
PreviewButtonItem::PreviewButtonItem(QQuickItem* parent)
: QQuickPaintedItem(parent)
{
}
PreviewButtonItem::~PreviewButtonItem() = default;
void PreviewButtonItem::setType(int type)
{
setType(KDecoration2::DecorationButtonType(type));
}
void PreviewButtonItem::setType(KDecoration2::DecorationButtonType type)
{
if (m_type == type) {
return;
}
m_type = type;
emit typeChanged();
}
KDecoration2::DecorationButtonType PreviewButtonItem::type() const
{
return m_type;
}
PreviewBridge *PreviewButtonItem::bridge() const
{
return m_bridge.data();
}
void PreviewButtonItem::setBridge(PreviewBridge *bridge)
{
if (m_bridge == bridge) {
return;
}
m_bridge = bridge;
emit bridgeChanged();
}
Settings *PreviewButtonItem::settings() const
{
return m_settings.data();
}
void PreviewButtonItem::setSettings(Settings *settings)
{
if (m_settings == settings) {
return;
}
m_settings = settings;
emit settingsChanged();
}
int PreviewButtonItem::typeAsInt() const
{
return int(m_type);
}
void PreviewButtonItem::componentComplete()
{
QQuickPaintedItem::componentComplete();
createButton();
}
void PreviewButtonItem::createButton()
{
if (m_type == KDecoration2::DecorationButtonType::Custom || m_decoration || !m_settings || !m_bridge) {
return;
}
m_decoration = m_bridge->createDecoration(this);
if (!m_decoration) {
return;
}
auto client = m_bridge->lastCreatedClient();
client->setMinimizable(true);
client->setMaximizable(true);
client->setActive(false);
m_decoration->setSettings(m_settings->settings());
m_decoration->init();
m_button = m_bridge->createButton(m_decoration, m_type);
connect(this, &PreviewButtonItem::widthChanged, this, &PreviewButtonItem::syncGeometry);
connect(this, &PreviewButtonItem::heightChanged, this, &PreviewButtonItem::syncGeometry);
syncGeometry();
}
void PreviewButtonItem::syncGeometry()
{
if (!m_button) {
return;
}
m_button->setGeometry(QRect(0, 0, width(), height()));
}
void PreviewButtonItem::paint(QPainter *painter)
{
if (!m_button) {
return;
}
m_button->paint(painter, QRegion(0, 0, width(), height()));
}
}
}