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/*
This file is part of the KDE project
SPDX-FileCopyrightText: 2022 Felix Ernst <[email protected]>
SPDX-License-Identifier: LGPL-2.1-only OR LGPL-3.0-only OR LicenseRef-KDE-Accepted-LGPL
*/
#include "bottombar.h"
#include "backgroundcolorhelper.h"
#include "bottombarcontentscontainer.h"
#include <QGridLayout>
#include <QResizeEvent>
#include <QStyle>
#include <QTimer>
using namespace SelectionMode;
BottomBar::BottomBar(KActionCollection *actionCollection, QWidget *parent)
: AnimatedHeightWidget{parent}
{
m_contentsContainer = new BottomBarContentsContainer(actionCollection, nullptr);
prepareContentsContainer(m_contentsContainer);
m_contentsContainer->installEventFilter(this); // Adjusts the height of this bar to the height of the contentsContainer
connect(m_contentsContainer, &BottomBarContentsContainer::error, this, &BottomBar::error);
connect(m_contentsContainer, &BottomBarContentsContainer::barVisibilityChangeRequested, this, [this](bool visible) {
if (!m_allowedToBeVisible && visible) {
return;
}
setVisibleInternal(visible, WithAnimation);
});
connect(m_contentsContainer, &BottomBarContentsContainer::selectionModeLeavingRequested, this, &BottomBar::selectionModeLeavingRequested);
setSizePolicy(QSizePolicy::Minimum, QSizePolicy::Fixed);
BackgroundColorHelper::instance()->controlBackgroundColor(this);
}
void BottomBar::setVisible(bool visible, Animated animated)
{
m_allowedToBeVisible = visible;
setVisibleInternal(visible, animated);
}
void BottomBar::setVisibleInternal(bool visible, Animated animated)
{
if (!visible && contents() == PasteContents) {
return; // The bar with PasteContents should not be hidden or users might not know how to paste what they just copied.
// Set contents to anything else to circumvent this prevention mechanism.
}
if (visible && !m_contentsContainer->hasSomethingToShow()) {
return; // There is nothing on the bar that we want to show. We keep it invisible and only show it when the selection or the contents change.
}
AnimatedHeightWidget::setVisible(visible, animated);
}
void BottomBar::slotSelectionChanged(const KFileItemList &selection, const QUrl &baseUrl)
{
m_contentsContainer->slotSelectionChanged(selection, baseUrl);
}
void BottomBar::slotSplitTabDisabled()
{
switch (contents()) {
case CopyToOtherViewContents:
case MoveToOtherViewContents:
Q_EMIT selectionModeLeavingRequested();
default:
return;
}
}
void BottomBar::resetContents(BottomBar::Contents contents)
{
m_contentsContainer->resetContents(contents);
if (m_allowedToBeVisible) {
setVisibleInternal(true, WithAnimation);
}
}
BottomBar::Contents BottomBar::contents() const
{
return m_contentsContainer->contents();
}
bool BottomBar::eventFilter(QObject *watched, QEvent *event)
{
Q_ASSERT(qobject_cast<QWidget *>(watched)); // This evenfFilter is only implemented for QWidgets.
switch (event->type()) {
case QEvent::ChildAdded:
case QEvent::ChildRemoved:
QTimer::singleShot(0, this, [this]() {
// The necessary height might have changed because of the added/removed child so we change the height manually.
if (isVisibleTo(parentWidget()) && isEnabled() && !isAnimationRunning()) {
setMaximumHeight(sizeHint().height());
}
});
// Fall through.
default:
return false;
}
}
void BottomBar::resizeEvent(QResizeEvent *resizeEvent)
{
if (resizeEvent->oldSize().width() == resizeEvent->size().width()) {
// The width() didn't change so our custom override isn't needed.
AnimatedHeightWidget::resizeEvent(resizeEvent);
return;
}
m_contentsContainer->adaptToNewBarWidth(width());
AnimatedHeightWidget::resizeEvent(resizeEvent);
}
int BottomBar::preferredHeight() const
{
return m_contentsContainer->sizeHint().height();
}
#include "moc_bottombar.cpp"
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