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easy_profiler/profiler_gui/window_header.cpp
2024-05-13 04:09:30 -04:00

362 lines
11 KiB
C++

/************************************************************************
* file name : window_header.cpp
* ----------------- :
* creation time : 2018/06/03
* author : Victor Zarubkin
* email : v.s.zarubkin@gmail.com
* ----------------- :
* description : The file contains implementation of WindowHeader.
* ----------------- :
* license : Lightweight profiler library for c++
* : Copyright(C) 2016-2019 Sergey Yagovtsev, Victor Zarubkin
* :
* : Licensed under either of
* : * MIT license (LICENSE.MIT or http://opensource.org/licenses/MIT)
* : * Apache License, Version 2.0, (LICENSE.APACHE or http://www.apache.org/licenses/LICENSE-2.0)
* : at your option.
* :
* : The MIT License
* :
* : Permission is hereby granted, free of charge, to any person obtaining a copy
* : of this software and associated documentation files (the "Software"), to deal
* : in the Software without restriction, including without limitation the rights
* : to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
* : of the Software, and to permit persons to whom the Software is furnished
* : to do so, subject to the following conditions:
* :
* : The above copyright notice and this permission notice shall be included in all
* : copies or substantial portions of the Software.
* :
* : THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
* : INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
* : PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* : LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* : TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
* : USE OR OTHER DEALINGS IN THE SOFTWARE.
* :
* : The Apache License, Version 2.0 (the "License")
* :
* : You may not use this file except in compliance with the License.
* : You may obtain a copy of the License at
* :
* : http://www.apache.org/licenses/LICENSE-2.0
* :
* : Unless required by applicable law or agreed to in writing, software
* : distributed under the License is distributed on an "AS IS" BASIS,
* : WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* : See the License for the specific language governing permissions and
* : limitations under the License.
************************************************************************/
#include "globals.h"
#include "window_header.h"
#include <QApplication>
#include <QHBoxLayout>
#include <QLabel>
#include <QMouseEvent>
#include <QPushButton>
#include <QStyle>
static void setButtonSize(QPushButton* button, int size)
{
if (button != nullptr)
button->setFixedSize(size * 191 / 100, size);
}
WindowHeader::WindowHeader(const QString& title, Buttons buttons, QWidget& parentRef)
: Parent(&parentRef)
, m_minimizeButton(nullptr)
, m_maximizeButton(nullptr)
, m_closeButton(nullptr)
, m_pixmap(new QLabel())
, m_title(new QLabel(title))
, m_isDragging(false)
{
auto parent = &parentRef;
parent->setWindowTitle(title);
m_title->installEventFilter(this);
m_pixmap->installEventFilter(this);
const auto icon = QApplication::windowIcon();
m_pixmap->setWindowIcon(icon);
m_pixmap->setPixmap(icon.isNull() ? QPixmap() : icon.pixmap(16, 16));
setMouseTracking(true);
if (buttons.testFlag(WindowHeader::MinimizeButton))
{
m_minimizeButton = new QPushButton();
m_minimizeButton->setObjectName("WindowHeader_MinButton");
connect(m_minimizeButton, &QPushButton::clicked, this, &This::onMinimizeClicked, Qt::QueuedConnection);
}
if (buttons.testFlag(WindowHeader::MaximizeButton))
{
m_maximizeButton = new QPushButton();
m_maximizeButton->setProperty("max", parent->isMaximized());
m_maximizeButton->setObjectName("WindowHeader_MaxButton");
connect(m_maximizeButton, &QPushButton::clicked, this, &This::onMaximizeClicked, Qt::QueuedConnection);
}
if (buttons.testFlag(WindowHeader::CloseButton))
{
m_closeButton = new QPushButton();
m_closeButton->setObjectName("WindowHeader_CloseButton");
connect(m_closeButton, &QPushButton::clicked, parent, &QWidget::close, Qt::QueuedConnection);
}
#if !defined(_WIN32) && !defined(__APPLE__)
if (m_maximizeButton != nullptr || m_minimizeButton != nullptr)
{
parent->setWindowFlags(parent->windowFlags() | Qt::SubWindow);
}
#endif
auto layout = new QHBoxLayout(this);
layout->setContentsMargins(0, 0, 0, 0);
layout->setSpacing(1);
if (EASY_GLOBALS.is_right_window_header_controls)
{
setProperty("left", false);
layout->addWidget(m_pixmap, 0, Qt::AlignVCenter | Qt::AlignLeft);
layout->addSpacing(3);
layout->addWidget(m_title, 0, Qt::AlignVCenter | Qt::AlignLeft);
layout->addStretch(1);
if (m_minimizeButton != nullptr)
layout->addWidget(m_minimizeButton);
if (m_maximizeButton != nullptr)
layout->addWidget(m_maximizeButton);
if (m_closeButton != nullptr)
layout->addWidget(m_closeButton);
}
else
{
setProperty("left", true);
if (m_closeButton != nullptr)
layout->addWidget(m_closeButton);
if (m_maximizeButton != nullptr)
layout->addWidget(m_maximizeButton);
if (m_minimizeButton != nullptr)
layout->addWidget(m_minimizeButton);
layout->addSpacing(3);
layout->addWidget(m_pixmap, 0, Qt::AlignVCenter | Qt::AlignLeft);
layout->addSpacing(3);
layout->addWidget(m_title, 0, Qt::AlignVCenter | Qt::AlignLeft);
layout->addStretch(1);
}
if (m_maximizeButton != nullptr)
parent->installEventFilter(this);
m_pixmap->setVisible(!icon.isNull());
connect(&EASY_GLOBALS.events, &profiler_gui::GlobalSignals::customWindowHeaderChanged,
this, &This::onWindowHeaderChanged);
connect(&EASY_GLOBALS.events, &profiler_gui::GlobalSignals::windowHeaderPositionChanged,
this, &This::onWindowHeaderPositionChanged);
if (EASY_GLOBALS.use_custom_window_header)
parent->setWindowFlags(parentWidget()->windowFlags() | Qt::FramelessWindowHint);
else
parent->setWindowFlags(parentWidget()->windowFlags() & ~Qt::FramelessWindowHint);
setVisible(EASY_GLOBALS.use_custom_window_header);
}
WindowHeader::~WindowHeader()
{
}
void WindowHeader::setTitle(const QString& title)
{
m_title->setText(title);
parentWidget()->setWindowTitle(title);
}
QString WindowHeader::title() const
{
return m_title->text();
}
void WindowHeader::setWindowIcon(const QIcon& icon)
{
const int size = std::max(m_title->fontMetrics().height(), 16);
m_pixmap->setWindowIcon(icon);
m_pixmap->setPixmap(icon.isNull() ? QPixmap() : icon.pixmap(size, size));
m_pixmap->setVisible(!icon.isNull());
}
void WindowHeader::onWindowStateChanged()
{
if (m_maximizeButton != nullptr)
{
profiler_gui::updateProperty(m_maximizeButton, "max", parentWidget()->isMaximized());
setButtonSize(m_maximizeButton, height());
}
}
void WindowHeader::onWindowHeaderChanged()
{
}
void WindowHeader::onWindowHeaderPositionChanged()
{
}
void WindowHeader::mouseDoubleClickEvent(QMouseEvent* /*event*/)
{
if (m_maximizeButton != nullptr)
onMaximizeClicked(true);
}
void WindowHeader::mousePressEvent(QMouseEvent* event)
{
m_mousePressPos = mapFromGlobal(event->globalPos());
}
void WindowHeader::mouseReleaseEvent(QMouseEvent* /*event*/)
{
m_mousePressPos = QPoint();
m_isDragging = false;
}
void WindowHeader::mouseMoveEvent(QMouseEvent* event)
{
if (!event->buttons().testFlag(Qt::LeftButton))
return;
if (m_isDragging)
{
parentWidget()->move(event->globalPos() - m_mousePressPos);
return;
}
if (m_maximizeButton != nullptr && m_maximizeButton->underMouse())
return;
if (m_minimizeButton != nullptr && m_minimizeButton->underMouse())
return;
if (m_closeButton != nullptr && m_closeButton->underMouse())
return;
const auto pos = mapFromGlobal(event->globalPos());
const auto line = m_mousePressPos - pos;
if (line.manhattanLength() > 5)
{
m_isDragging = true;
auto parent = parentWidget();
if (parent->isMaximized())
{
const int w = parent->width();
parent->showNormal();
const auto k = static_cast<qreal>(pos.x()) / static_cast<qreal>(w);
const int xlocal = static_cast<int>(static_cast<qreal>(parent->width()) * k);
const int xglobal = event->globalPos().x() - xlocal;
parent->move(xglobal, parent->y());
m_mousePressPos = QPoint(xlocal, static_cast<int>(pos.y() * k));
}
else
{
m_mousePressPos = pos;
}
}
}
bool WindowHeader::eventFilter(QObject* obj, QEvent* event)
{
if (obj == m_title || obj == m_pixmap)
{
switch (event->type())
{
case QEvent::MouseMove:
{
mouseMoveEvent(static_cast<QMouseEvent*>(event));
return false;
}
case QEvent::MouseButtonPress:
{
mousePressEvent(static_cast<QMouseEvent*>(event));
return false;
}
case QEvent::MouseButtonRelease:
{
mouseReleaseEvent(static_cast<QMouseEvent*>(event));
return false;
}
case QEvent::MouseButtonDblClick:
{
mouseDoubleClickEvent(static_cast<QMouseEvent*>(event));
return false;
}
default:
break;
}
}
else if (obj == parentWidget())
{
if (event->type() == QEvent::WindowStateChange)
onWindowStateChanged();
return false;
}
return Parent::eventFilter(obj, event);
}
void WindowHeader::showEvent(QShowEvent* event)
{
Parent::showEvent(event);
if (!m_pixmap->windowIcon().isNull())
{
const int size = std::max(m_title->fontMetrics().height(), 16);
if (m_pixmap->pixmap().height() != size)
m_pixmap->setPixmap(m_pixmap->windowIcon().pixmap(size, size));
}
setButtonSize(m_minimizeButton, height());
setButtonSize(m_maximizeButton, height());
setButtonSize(m_closeButton, height());
}
void WindowHeader::onMaximizeClicked(bool)
{
auto parent = parentWidget();
if (parent->isMaximized())
{
parent->showNormal();
}
else
{
parent->showMaximized();
}
}
void WindowHeader::onMinimizeClicked(bool)
{
parentWidget()->setWindowState(Qt::WindowMinimized);
}