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kwin-plugins/plugins/decoration/button.cpp

116 lines
3.9 KiB
C++

/*
* Copyright (C) 2020 PandaOS Team.
*
* Author: rekols <rekols@foxmail.com>
*
* 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 3 of the License, or
* any later version.
*
* 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 "button.h"
#include "decoration.h"
#include <KDecoration2/DecoratedClient>
#include <KDecoration2/Decoration>
#include <QPainter>
#include <QPainterPath>
Button::Button(KDecoration2::DecorationButtonType type, const QPointer<KDecoration2::Decoration> &decoration, QObject *parent)
: KDecoration2::DecorationButton(type, decoration, parent)
{
auto c = decoration->client().toStrongRef().data();
switch (type) {
case KDecoration2::DecorationButtonType::Menu:
break;
case KDecoration2::DecorationButtonType::Minimize:
setVisible(c->isMinimizeable());
connect(c, &KDecoration2::DecoratedClient::minimizeableChanged, this, &Button::setVisible);
break;
case KDecoration2::DecorationButtonType::Maximize:
setVisible(c->isMaximizeable());
connect(c, &KDecoration2::DecoratedClient::maximizeableChanged, this, &Button::setVisible);
break;
case KDecoration2::DecorationButtonType::Close:
setVisible(c->isCloseable());
connect(c, &KDecoration2::DecoratedClient::closeableChanged, this, &Button::setVisible);
break;
default:
setVisible(false);
break;
}
}
KDecoration2::DecorationButton *Button::create(KDecoration2::DecorationButtonType type, KDecoration2::Decoration *decoration, QObject *parent)
{
return new Button(type, decoration, parent);
}
void Button::paint(QPainter *painter, const QRect &repaintRegion)
{
Q_UNUSED(repaintRegion)
Cutefish::Decoration *decoration = qobject_cast<Cutefish::Decoration *>(this->decoration());
if (!decoration)
return;
auto c = decoration->client().toStrongRef().data();
const bool isDarkMode = decoration->darkMode();
const QRect &rect = geometry().toRect();
painter->save();
painter->setRenderHints(QPainter::Antialiasing);
QRect btnRect(0, 0, 30 * decoration->devicePixelRatio(),
30 * decoration->devicePixelRatio());
btnRect.moveCenter(rect.center());
if (isHovered() || isPressed()) {
painter->setPen(Qt::NoPen);
painter->setBrush(isDarkMode ? isPressed() ? QColor(255, 255, 255, 255 * 0.1) : QColor(255, 255, 255, 255 * 0.15)
: isPressed() ? QColor(0, 0, 0, 255 * 0.15) : QColor(0, 0, 0, 255 * 0.1));
painter->drawRoundedRect(btnRect, btnRect.height() / 2, btnRect.height() / 2);
}
switch (type()) {
case KDecoration2::DecorationButtonType::Menu: {
c->icon().paint(painter, rect);
break;
}
case KDecoration2::DecorationButtonType::ApplicationMenu: {
break;
}
case KDecoration2::DecorationButtonType::Minimize: {
painter->drawPixmap(btnRect, decoration->minimizeBtnPixmap());
break;
}
case KDecoration2::DecorationButtonType::Maximize: {
if (isChecked())
painter->drawPixmap(btnRect, decoration->restoreBtnPixmap());
else
painter->drawPixmap(btnRect, decoration->maximizeBtnPixmap());
break;
}
case KDecoration2::DecorationButtonType::Close: {
painter->drawPixmap(btnRect, decoration->closeBtnPixmap());
break;
}
default:
break;
}
painter->restore();
}