Files
cantata/widgets/playqueueview.cpp
Craig Drummond 11bb7571c9 Update (c) year
2021-01-01 10:06:43 +00:00

511 lines
15 KiB
C++

/*
* Cantata
*
* Copyright (c) 2011-2021 Craig Drummond <craig.p.drummond@gmail.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 2 of the License, or
* (at your option) 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; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "playqueueview.h"
#include "models/playqueuemodel.h"
#include "gui/covers.h"
#include "gui/currentcover.h"
#include "groupedview.h"
#include "treeview.h"
#include "gui/settings.h"
#include "mpd-interface/mpdstatus.h"
#include "support/spinner.h"
#include "messageoverlay.h"
#include "icons.h"
#include "support/gtkstyle.h"
#include "support/proxystyle.h"
#include "support/actioncollection.h"
#include "support/action.h"
#include "models/roles.h"
#include <QFile>
#include <QPainter>
#include <QApplication>
#include <qglobal.h>
// Exported by QtGui
void qt_blurImage(QPainter *p, QImage &blurImage, qreal radius, bool quality, bool alphaOnly, int transposed = 0);
class PlayQueueTreeStyle : public ProxyStyle
{
public:
void drawPrimitive(PrimitiveElement element, const QStyleOption *option, QPainter *painter, const QWidget *widget) const override
{
if (QStyle::PE_IndicatorItemViewItemDrop == element && widget) {
painter->setPen(QPen(QPalette::Highlight)); // make the drop indicator more visible
painter->setRenderHint(QPainter::Antialiasing, false);
QStyleOption opt(*option);
opt.rect.setLeft(0); // let the drop indicator
opt.rect.setRight(widget->width()); // span a whole tree widget row
ProxyStyle::drawPrimitive(element, &opt, painter, widget);
} else {
ProxyStyle::drawPrimitive(element, option, painter, widget);
}
}
};
PlayQueueTreeView::PlayQueueTreeView(PlayQueueView *parent)
: TableView(QLatin1String("playQueue"), parent, true)
, view(parent)
{
setIndentation(0);
setItemsExpandable(false);
setExpandsOnDoubleClick(false);
setRootIsDecorated(false);
}
void PlayQueueTreeView::paintEvent(QPaintEvent *e)
{
view->drawBackdrop(viewport(), size());
TreeView::paintEvent(e);
}
PlayQueueGroupedView::PlayQueueGroupedView(PlayQueueView *parent)
: GroupedView(parent, true)
, view(parent)
{
}
PlayQueueGroupedView::~PlayQueueGroupedView()
{
}
void PlayQueueGroupedView::paintEvent(QPaintEvent *e)
{
view->drawBackdrop(viewport(), size());
GroupedView::paintEvent(e);
}
PlayQueueView::PlayQueueView(QWidget *parent)
: QStackedWidget(parent)
, mode(ItemView::Mode_Count)
, groupedView(nullptr)
, treeView(nullptr)
, spinner(nullptr)
, msgOverlay(nullptr)
, backgroundImageType(BI_None)
, fadeValue(1.0)
, backgroundOpacity(15)
, backgroundBlur(0)
{
removeFromAction = new Action(Icons::self()->removeIcon, tr("Remove"), this);
setMode(ItemView::Mode_GroupedTree);
animator.setPropertyName("fade");
animator.setTargetObject(this);
connect(CurrentCover::self(), SIGNAL(coverImage(QImage)), this, SLOT(setImage(QImage)));
}
PlayQueueView::~PlayQueueView()
{
}
void PlayQueueView::readConfig()
{
setAutoExpand(Settings::self()->playQueueAutoExpand());
setStartClosed(Settings::self()->playQueueStartClosed());
setMode((ItemView::Mode)Settings::self()->playQueueView());
int origOpacity=backgroundOpacity;
int origBlur=backgroundBlur;
QString origCustomBackgroundFile=customBackgroundFile;
BackgroundImage origType=backgroundImageType;
backgroundImageType=(BackgroundImage)Settings::self()->playQueueBackground();
backgroundOpacity=Settings::self()->playQueueBackgroundOpacity();
backgroundBlur=Settings::self()->playQueueBackgroundBlur();
customBackgroundFile=Settings::self()->playQueueBackgroundFile();
switch (backgroundImageType) {
case BI_None:
if (origType!=backgroundImageType) {
updatePalette();
previousBackground=QPixmap();
curentCover=QImage();
curentBackground=QPixmap();
view()->viewport()->update();
setImage(QImage());
}
break;
case BI_Cover:
if (BI_None==origType) {
updatePalette();
}
if ((origType!=backgroundImageType || backgroundOpacity!=origOpacity || backgroundBlur!=origBlur)) {
setImage(CurrentCover::self()->isValid() ? CurrentCover::self()->image() : QImage());
}
break;
case BI_Custom:
if (BI_None==origType) {
updatePalette();
}
if (origType!=backgroundImageType || backgroundOpacity!=origOpacity || backgroundBlur!=origBlur || origCustomBackgroundFile!=customBackgroundFile) {
setImage(QImage(customBackgroundFile));
}
break;
}
}
void PlayQueueView::saveConfig()
{
if (treeView==currentWidget()) {
treeView->saveHeader();
}
}
void PlayQueueView::setMode(ItemView::Mode m)
{
if (m==mode || (ItemView::Mode_GroupedTree!=m && ItemView::Mode_Table!=m)) {
return;
}
if (ItemView::Mode_Table==mode) {
treeView->saveHeader();
}
switch (m) {
case ItemView::Mode_GroupedTree:
if (!groupedView) {
groupedView=new PlayQueueGroupedView(this);
groupedView->setContextMenuPolicy(Qt::ActionsContextMenu);
groupedView->setIndentation(0);
groupedView->setItemsExpandable(false);
groupedView->setExpandsOnDoubleClick(false);
groupedView->installFilter(new KeyEventHandler(groupedView, removeFromAction));
addWidget(groupedView);
connect(groupedView, SIGNAL(itemsSelected(bool)), SIGNAL(itemsSelected(bool)));
connect(groupedView, SIGNAL(doubleClicked(const QModelIndex &)), SIGNAL(doubleClicked(const QModelIndex &)));
updatePalette();
#ifdef Q_OS_MAC
groupedView->setAttribute(Qt::WA_MacShowFocusRect, 0);
#endif
groupedView->setProperty(ProxyStyle::constModifyFrameProp, ProxyStyle::VF_Top);
}
break;
case ItemView::Mode_Table:
if (!treeView) {
treeView=new PlayQueueTreeView(this);
treeView->setStyle(new PlayQueueTreeStyle());
treeView->setContextMenuPolicy(Qt::ActionsContextMenu);
treeView->installFilter(new KeyEventHandler(treeView, removeFromAction));
treeView->initHeader();
addWidget(treeView);
connect(treeView, SIGNAL(itemsSelected(bool)), SIGNAL(itemsSelected(bool)));
connect(treeView, SIGNAL(doubleClicked(const QModelIndex &)), SIGNAL(doubleClicked(const QModelIndex &)));
updatePalette();
#ifdef Q_OS_MAC
treeView->setAttribute(Qt::WA_MacShowFocusRect, 0);
#endif
treeView->setProperty(ProxyStyle::constModifyFrameProp, ProxyStyle::VF_Top);
}
default:
break;
}
QAbstractItemModel *model=nullptr;
QList<QAction *> actions;
if (ItemView::Mode_Count!=mode) {
QAbstractItemView *v=view();
model=v->model();
v->setModel(nullptr);
actions=v->actions();
}
mode=m;
QAbstractItemView *v=view();
v->setModel(model);
if (!actions.isEmpty() && v->actions().isEmpty()) {
v->addActions(actions);
}
if (ItemView::Mode_Table==mode) {
treeView->initHeader();
}
setCurrentWidget(static_cast<QWidget *>(view()));
if (spinner) {
spinner->setWidget(view());
if (spinner->isActive()) {
spinner->start();
}
}
if (msgOverlay) {
msgOverlay->setWidget(view());
}
}
void PlayQueueView::setAutoExpand(bool ae)
{
groupedView->setAutoExpand(ae);
}
bool PlayQueueView::isAutoExpand() const
{
return groupedView->isAutoExpand();
}
void PlayQueueView::setStartClosed(bool sc)
{
groupedView->setStartClosed(sc);
}
bool PlayQueueView::isStartClosed() const
{
return groupedView->isStartClosed();
}
void PlayQueueView::setFilterActive(bool f)
{
if (ItemView::Mode_GroupedTree==mode) {
groupedView->setFilterActive(f);
}
}
void PlayQueueView::updateRows(qint32 row, quint16 curAlbum, bool scroll, bool forceScroll)
{
if (ItemView::Mode_GroupedTree==mode) {
groupedView->updateRows(row, curAlbum, scroll, QModelIndex(), forceScroll);
}
}
void PlayQueueView::scrollTo(const QModelIndex &index, QAbstractItemView::ScrollHint hint)
{
view()->scrollTo(index, hint);
}
QModelIndex PlayQueueView::indexAt(const QPoint &point)
{
return view()->indexAt(point);
}
void PlayQueueView::addAction(QAction *a)
{
view()->addAction(a);
}
void PlayQueueView::setFocus()
{
currentWidget()->setFocus();
}
bool PlayQueueView::hasFocus()
{
return currentWidget()->hasFocus();
}
bool PlayQueueView::haveSelectedItems()
{
switch (mode) {
default:
case ItemView::Mode_GroupedTree: return groupedView->haveSelectedItems();
case ItemView::Mode_Table: return treeView->haveSelectedItems();
}
}
bool PlayQueueView::haveUnSelectedItems()
{
switch (mode) {
default:
case ItemView::Mode_GroupedTree: return groupedView->haveUnSelectedItems();
case ItemView::Mode_Table: return treeView->haveUnSelectedItems();
}
}
void PlayQueueView::clearSelection()
{
if (groupedView && groupedView->selectionModel()) {
groupedView->selectionModel()->clear();
}
if (treeView && treeView->selectionModel()) {
treeView->selectionModel()->clear();
}
}
QAbstractItemView * PlayQueueView::view() const
{
switch (mode) {
default:
case ItemView::Mode_GroupedTree: return (QAbstractItemView *)groupedView;
case ItemView::Mode_Table: return (QAbstractItemView *)treeView;
}
}
bool PlayQueueView::hasFocus() const
{
return view()->hasFocus();
}
QModelIndexList PlayQueueView::selectedIndexes(bool sorted) const
{
switch (mode) {
default:
case ItemView::Mode_GroupedTree: return groupedView->selectedIndexes(sorted);
case ItemView::Mode_Table: return treeView->selectedIndexes(sorted);
}
}
QList<Song> PlayQueueView::selectedSongs() const
{
const QModelIndexList selected = selectedIndexes();
QList<Song> songs;
for (const QModelIndex &idx: selected) {
Song song=idx.data(Cantata::Role_Song).value<Song>();
if (!song.file.isEmpty() && !song.hasProtocolOrIsAbsolute()) {
songs.append(song);
}
}
return songs;
}
void PlayQueueView::showSpinner()
{
if (!spinner) {
spinner=new Spinner(this);
}
spinner->setWidget(view());
spinner->start();
}
void PlayQueueView::hideSpinner()
{
if (spinner) {
spinner->stop();
}
}
void PlayQueueView::setFade(float value)
{
if (fadeValue!=value) {
fadeValue = value;
if (qFuzzyCompare(fadeValue, qreal(1.0))) {
previousBackground=QPixmap();
}
view()->viewport()->update();
}
}
void PlayQueueView::updatePalette()
{
QPalette pal=palette();
// if (BI_None!=backgroundImageType) {
// pal.setColor(QPalette::Base, Qt::transparent);
// }
if (groupedView) {
#ifndef Q_OS_MAC
groupedView->setPalette(pal);
#endif
groupedView->viewport()->setPalette(pal);
}
if (treeView) {
#ifndef Q_OS_MAC
treeView->setPalette(pal);
#endif
treeView->viewport()->setPalette(pal);
}
}
void PlayQueueView::setImage(const QImage &img)
{
if (BI_None==backgroundImageType || (sender() && BI_Custom==backgroundImageType)) {
return;
}
previousBackground=curentBackground;
if (img.isNull() || QImage::Format_ARGB32==img.format()) {
curentCover = img;
} else {
curentCover = img.convertToFormat(QImage::Format_ARGB32);
}
if (!curentCover.isNull()) {
if (backgroundOpacity<100) {
curentCover=TreeView::setOpacity(curentCover, (backgroundOpacity*1.0)/100.0);
}
if (backgroundBlur>0) {
QImage blurred(curentCover.size(), QImage::Format_ARGB32_Premultiplied);
blurred.fill(Qt::transparent);
QPainter painter(&blurred);
qt_blurImage(&painter, curentCover, backgroundBlur, true, false);
painter.end();
curentCover = blurred;
}
}
curentBackground=QPixmap();
animator.stop();
if (BI_Custom==backgroundImageType || !isVisible()) {
setFade(1.0);
update();
} else {
fadeValue=0.0;
animator.setDuration(250);
animator.setEndValue(1.0);
animator.start();
}
}
void PlayQueueView::streamFetchStatus(const QString &msg)
{
if (!msgOverlay) {
msgOverlay=new MessageOverlay(this);
msgOverlay->setWidget(view());
connect(msgOverlay, SIGNAL(cancel()), SIGNAL(cancelStreamFetch()));
connect(msgOverlay, SIGNAL(cancel()), SLOT(hideSpinner()));
}
msgOverlay->setText(msg);
}
void PlayQueueView::searchActive(bool a)
{
view()->setProperty(ProxyStyle::constModifyFrameProp, a ? 0 : ProxyStyle::VF_Top);
}
void PlayQueueView::drawBackdrop(QWidget *widget, const QSize &size)
{
if (BI_None==backgroundImageType) {
return;
}
QPainter p(widget);
p.fillRect(0, 0, size.width(), size.height(), QApplication::palette().color(topLevelWidget()->isActiveWindow() ? QPalette::Active : QPalette::Inactive, QPalette::Base));
if (!curentCover.isNull() || !previousBackground.isNull()) {
if (!curentCover.isNull() && (size!=lastBgndSize || curentBackground.isNull())) {
curentBackground = QPixmap::fromImage(curentCover.scaled(size, Qt::KeepAspectRatioByExpanding, Qt::SmoothTransformation));
lastBgndSize=size;
}
if (!previousBackground.isNull()) {
if (!qFuzzyCompare(fadeValue, qreal(0.0))) {
p.setOpacity(1.0-fadeValue);
}
p.drawPixmap((size.width()-previousBackground.width())/2, (size.height()-previousBackground.height())/2, previousBackground);
}
if (!curentBackground.isNull()) {
p.setOpacity(fadeValue);
p.drawPixmap((size.width()-curentBackground.width())/2, (size.height()-curentBackground.height())/2, curentBackground);
}
}
}
#include "moc_playqueueview.cpp"