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// Copyright (C) 2020 Uwe Kindler
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#include "floatingwidgettitlebar.h"
#include "ads_globals.h"
#include "dockmanager.h"
#include "elidinglabel.h"
#include "floatingdockcontainer.h"
#include "iconprovider.h"
#include <QHBoxLayout>
#include <QMouseEvent>
#include <QPixmap>
#include <QPushButton>
#include <QStyle>
#include <QToolButton>
#include <iostream>
namespace ADS {
using TabLabelType = ElidingLabel;
using CloseButtonType = QToolButton;
using MaximizeButtonType = QToolButton;
/**
* @brief Private data class of public interface CFloatingWidgetTitleBar
*/
class FloatingWidgetTitleBarPrivate
{
public:
FloatingWidgetTitleBar *q; ///< public interface class
QLabel *m_iconLabel = nullptr;
TabLabelType *m_titleLabel = nullptr;
CloseButtonType *m_closeButton = nullptr;
MaximizeButtonType *m_maximizeButton = nullptr;
FloatingDockContainer *m_floatingWidget = nullptr;
eDragState m_dragState = DraggingInactive;
QIcon m_maximizeIcon;
QIcon m_normalIcon;
bool m_maximized = false;
FloatingWidgetTitleBarPrivate(FloatingWidgetTitleBar *parent)
: q(parent)
{}
/**
* Creates the complete layout including all controls
*/
void createLayout();
};
void FloatingWidgetTitleBarPrivate::createLayout()
{
// Title label
m_titleLabel = new TabLabelType();
m_titleLabel->setElideMode(Qt::ElideRight);
m_titleLabel->setText("DockWidget->windowTitle()");
m_titleLabel->setObjectName("floatingTitleLabel");
m_titleLabel->setAlignment(Qt::AlignLeft | Qt::AlignVCenter);
// Close button
m_closeButton = new CloseButtonType();
m_closeButton->setObjectName("floatingTitleCloseButton");
m_closeButton->setAutoRaise(true);
internal::setButtonIcon(m_closeButton,
QStyle::SP_TitleBarCloseButton,
ADS::FloatingWidgetCloseIcon);
m_closeButton->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed);
m_closeButton->setIconSize(QSize(11, 11));
m_closeButton->setFixedSize(QSize(17, 17));
m_closeButton->setVisible(true);
m_closeButton->setFocusPolicy(Qt::NoFocus);
QObject::connect(m_closeButton,
&QPushButton::clicked,
q,
&FloatingWidgetTitleBar::closeRequested);
// Maximize button
m_maximizeButton = new MaximizeButtonType();
m_maximizeButton->setObjectName("floatingTitleMaxButton");
m_maximizeButton->setAutoRaise(true);
m_maximizeButton->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed);
m_maximizeButton->setIconSize(QSize(11, 11));
m_maximizeButton->setFixedSize(QSize(17, 17));
m_maximizeButton->setVisible(true);
m_maximizeButton->setFocusPolicy(Qt::NoFocus);
QObject::connect(m_maximizeButton,
&QPushButton::clicked,
q,
&FloatingWidgetTitleBar::maximizeRequested);
QFontMetrics fontMetrics(m_titleLabel->font());
int spacing = qRound(fontMetrics.height() / 4.0);
// Fill the layout
QBoxLayout *layout = new QBoxLayout(QBoxLayout::LeftToRight);
layout->setContentsMargins(6, 0, 0, 0);
layout->setSpacing(0);
q->setLayout(layout);
layout->addWidget(m_titleLabel, 1);
layout->addSpacing(spacing);
layout->addWidget(m_maximizeButton);
layout->addWidget(m_closeButton);
layout->addSpacing(1);
layout->setAlignment(Qt::AlignCenter);
m_titleLabel->setVisible(true);
}
FloatingWidgetTitleBar::FloatingWidgetTitleBar(FloatingDockContainer *parent)
: QFrame(parent)
, d(new FloatingWidgetTitleBarPrivate(this))
{
d->m_floatingWidget = parent;
d->createLayout();
d->m_normalIcon = DockManager::iconProvider().customIcon(ADS::FloatingWidgetNormalIcon);
if (d->m_normalIcon.isNull()) {
auto normalPixmap = style()->standardPixmap(QStyle::SP_TitleBarNormalButton,
0,
d->m_maximizeButton);
d->m_normalIcon.addPixmap(normalPixmap, QIcon::Normal);
d->m_normalIcon.addPixmap(internal::createTransparentPixmap(normalPixmap, 0.25),
QIcon::Disabled);
}
d->m_maximizeIcon = DockManager::iconProvider().customIcon(ADS::FloatingWidgetMaximizeIcon);
if (d->m_maximizeIcon.isNull()) {
auto maxPixmap = this->style()->standardPixmap(QStyle::SP_TitleBarMaxButton,
0,
d->m_maximizeButton);
d->m_maximizeIcon.addPixmap(maxPixmap, QIcon::Normal);
d->m_maximizeIcon.addPixmap(internal::createTransparentPixmap(maxPixmap, 0.25),
QIcon::Disabled);
}
}
FloatingWidgetTitleBar::~FloatingWidgetTitleBar()
{
delete d;
}
void FloatingWidgetTitleBar::mousePressEvent(QMouseEvent *event)
{
if (event->button() == Qt::LeftButton) {
d->m_dragState = DraggingFloatingWidget;
d->m_floatingWidget->startDragging(event->pos(), d->m_floatingWidget->size(), this);
return;
}
Super::mousePressEvent(event);
}
void FloatingWidgetTitleBar::mouseReleaseEvent(QMouseEvent *event)
{
d->m_dragState = DraggingInactive;
if (d->m_floatingWidget)
d->m_floatingWidget->finishDragging();
Super::mouseReleaseEvent(event);
}
void FloatingWidgetTitleBar::mouseMoveEvent(QMouseEvent *event)
{
if (!(event->buttons() & Qt::LeftButton) || DraggingInactive == d->m_dragState) {
d->m_dragState = DraggingInactive;
Super::mouseMoveEvent(event);
return;
}
// Move floating window
if (DraggingFloatingWidget == d->m_dragState) {
if (d->m_floatingWidget->isMaximized())
d->m_floatingWidget->showNormal();
d->m_floatingWidget->moveFloating();
Super::mouseMoveEvent(event);
return;
}
Super::mouseMoveEvent(event);
}
void FloatingWidgetTitleBar::mouseDoubleClickEvent(QMouseEvent *event)
{
if (event->buttons() & Qt::LeftButton) {
emit maximizeRequested();
event->accept();
} else {
QWidget::mouseDoubleClickEvent(event);
}
}
void FloatingWidgetTitleBar::enableCloseButton(bool enable)
{
d->m_closeButton->setEnabled(enable);
}
void FloatingWidgetTitleBar::setTitle(const QString &text)
{
d->m_titleLabel->setText(text);
}
void FloatingWidgetTitleBar::updateStyle()
{
internal::repolishStyle(this, internal::RepolishDirectChildren);
}
void FloatingWidgetTitleBar::setMaximizedIcon(bool maximized)
{
d->m_maximized = maximized;
if (maximized)
d->m_maximizeButton->setIcon(d->m_normalIcon);
else
d->m_maximizeButton->setIcon(d->m_maximizeIcon);
}
} // namespace ADS
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