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/*
* infowin.cc
* Copyright 2006-2014 William Pitcock, Tomasz Moń, Eugene Zagidullin,
* John Lindgren, and Thomas Lange
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions, and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions, and the following disclaimer in the documentation
* provided with the distribution.
*
* This software is provided "as is" and without any warranty, express or
* implied. In no event shall the authors be liable for any damages arising from
* the use of this software.
*/
#include <math.h>
#include <QDialog>
#include <QDialogButtonBox>
#include <QEvent>
#include <QHBoxLayout>
#include <QImage>
#include <QLabel>
#include <QPixmap>
#include <QPainter>
#include <QPushButton>
#include <QTextDocument>
#include <QVBoxLayout>
#include <libaudcore/audstrings.h>
#include <libaudcore/hook.h>
#include <libaudcore/i18n.h>
#include <libaudcore/interface.h>
#include <libaudcore/playlist.h>
#include <libaudcore/probe.h>
#include "info-widget.h"
#include "libaudqt.h"
#include "libaudqt-internal.h"
namespace audqt {
/* This class remedies some of the deficiencies of QLabel (such as lack
* of proper wrapping). It can be expanded and/or made more visible if
* it turns out to be useful outside InfoWindow. */
class TextWidget : public QWidget
{
public:
TextWidget ()
{
m_doc.setDefaultFont (font ());
}
void setText (const QString & text)
{
m_doc.setPlainText (text);
updateGeometry ();
}
void setWidth (int width)
{
m_doc.setTextWidth (width);
updateGeometry ();
}
protected:
QSize sizeHint () const override
{
qreal width = m_doc.idealWidth ();
qreal height = m_doc.size ().height ();
return QSize (ceil (width), ceil (height));
}
QSize minimumSizeHint () const override
{ return sizeHint (); }
void changeEvent (QEvent * event) override
{
if (event->type () == QEvent::FontChange)
{
m_doc.setDefaultFont (font ());
updateGeometry ();
}
}
void paintEvent (QPaintEvent * event) override
{
QPainter painter (this);
m_doc.drawContents (& painter);
}
private:
QTextDocument m_doc;
};
class InfoWindow : public QDialog
{
public:
InfoWindow (QWidget * parent = nullptr);
void fillInfo (const char * filename, const Tuple & tuple,
PluginHandle * decoder, bool updating_enabled);
private:
String m_filename;
QLabel m_image;
TextWidget m_uri_label;
InfoWidget m_infowidget;
void displayImage (const char * filename);
const HookReceiver<InfoWindow, const char *>
art_hook {"art ready", this, & InfoWindow::displayImage};
};
InfoWindow::InfoWindow (QWidget * parent) : QDialog (parent)
{
setWindowTitle (_("Song Info"));
setContentsMargins (margins.TwoPt);
m_image.setAlignment (Qt::AlignCenter);
m_uri_label.setWidth (2 * audqt::sizes.OneInch);
m_uri_label.setContextMenuPolicy (Qt::CustomContextMenu);
connect (& m_uri_label, & QWidget::customContextMenuRequested, [this] (const QPoint & pos) {
show_copy_context_menu (this, m_uri_label.mapToGlobal (pos), QString (m_filename));
});
auto left_vbox = make_vbox (nullptr);
left_vbox->addWidget (& m_image);
left_vbox->addWidget (& m_uri_label);
left_vbox->setStretch (0, 1);
left_vbox->setStretch (1, 0);
auto hbox = make_hbox (nullptr);
hbox->addLayout (left_vbox);
hbox->addWidget (& m_infowidget);
auto vbox = make_vbox (this);
vbox->addLayout (hbox);
auto bbox = new QDialogButtonBox (QDialogButtonBox::Save | QDialogButtonBox::Close, this);
bbox->button (QDialogButtonBox::Save)->setText (translate_str (N_("_Save")));
bbox->button (QDialogButtonBox::Close)->setText (translate_str (N_("_Close")));
vbox->addWidget (bbox);
connect (bbox, & QDialogButtonBox::accepted, [this] () {
m_infowidget.updateFile ();
deleteLater ();
});
connect (bbox, & QDialogButtonBox::rejected, this, & QObject::deleteLater);
}
void InfoWindow::fillInfo (const char * filename, const Tuple & tuple,
PluginHandle * decoder, bool updating_enabled)
{
m_filename = String (filename);
m_uri_label.setText ((QString) uri_to_display (filename));
displayImage (filename);
m_infowidget.fillInfo (filename, tuple, decoder, updating_enabled);
}
void InfoWindow::displayImage (const char * filename)
{
if (! strcmp_safe (filename, m_filename))
m_image.setPixmap (art_request (filename, 2 * sizes.OneInch, 2 * sizes.OneInch));
}
static InfoWindow * s_infowin = nullptr;
static void show_infowin (const char * filename,
const Tuple & tuple, PluginHandle * decoder, bool can_write)
{
if (! s_infowin)
{
s_infowin = new InfoWindow;
s_infowin->setAttribute (Qt::WA_DeleteOnClose);
QObject::connect (s_infowin, & QObject::destroyed, [] () {
s_infowin = nullptr;
});
}
s_infowin->fillInfo (filename, tuple, decoder, can_write);
s_infowin->resize (6 * sizes.OneInch, 3 * sizes.OneInch);
window_bring_to_front (s_infowin);
}
EXPORT void infowin_show (Playlist playlist, int entry)
{
String filename = playlist.entry_filename (entry);
if (! filename)
return;
String error;
PluginHandle * decoder = playlist.entry_decoder (entry, Playlist::Wait, & error);
Tuple tuple = decoder ? playlist.entry_tuple (entry, Playlist::Wait, & error) : Tuple ();
if (decoder && tuple.valid () && ! aud_custom_infowin (filename, decoder))
{
/* cuesheet entries cannot be updated */
bool can_write = aud_file_can_write_tuple (filename, decoder) &&
! tuple.is_set (Tuple::StartTime);
tuple.delete_fallbacks ();
show_infowin (filename, tuple, decoder, can_write);
}
else
infowin_hide ();
if (error)
aud_ui_show_error (str_printf (_("Error opening %s:\n%s"),
(const char *) filename, (const char *) error));
}
EXPORT void infowin_show_current ()
{
auto playlist = Playlist::playing_playlist ();
if (playlist == Playlist ())
playlist = Playlist::active_playlist ();
int position = playlist.get_position ();
if (position < 0)
return;
infowin_show (playlist, position);
}
EXPORT void infowin_hide ()
{
delete s_infowin;
}
} // namespace audqt
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