/***************************************************************************
* Copyright (C) 2006-2009 by Ilya Kotov *
* forkotov02@hotmail.ru *
* *
* 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; if not, write to the *
* Free Software Foundation, Inc., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
#include <QPainter>
#include <QTimer>
#include <QSettings>
#include <QAction>
#include <QMenu>
#include <QMouseEvent>
#include <QSettings>
#include <qmmp/qmmp.h>
#include "skin.h"
#include "textscroller.h"
#define SCROLL_SEP "*** "
TextScroller *TextScroller::pointer = 0;
TextScroller *TextScroller::getPointer()
{
return pointer;
}
TextScroller::TextScroller ( QWidget *parent )
: QWidget ( parent )
{
pointer = this;
m_skin = Skin::instance();
m_pixmap = QPixmap ( 150,15 );
resize(150,15);
x = 0;
m_offset = 0;
m_progress = -1;
m_metrics = 0;
m_text = "Qt-based Multimedia Player (Qmmp " + Qmmp::strVersion() + ")";
m_update = FALSE;
readSettings();
m_timer = new QTimer ( this );
connect (m_timer, SIGNAL (timeout()), SLOT (addOffset()));
m_timer->setInterval(50);
m_timer->start();
updateSkin();
connect(m_skin, SIGNAL(skinChanged()), this, SLOT(updateSkin()));
m_autoscroll = TRUE;
m_menu = new QMenu(this);
QAction *autoscrollAction = new QAction(tr("Autoscroll Songname"), m_menu);
autoscrollAction->setCheckable (TRUE);
connect(autoscrollAction, SIGNAL(toggled(bool)), SLOT(setAutoscroll(bool)));
m_menu->addAction(autoscrollAction);
QSettings settings(Qmmp::configFile(), QSettings::IniFormat);
autoscrollAction->setChecked(settings.value("TextScroller/autoscroll", TRUE).toBool());
setAutoscroll(autoscrollAction->isChecked());
}
TextScroller::~TextScroller()
{
QSettings settings(Qmmp::configFile(), QSettings::IniFormat);
settings.setValue("TextScroller/autoscroll", m_autoscroll);
if(m_metrics)
delete m_metrics;
}
void TextScroller::addOffset()
{
x--;
if(m_bitmap)
{
if (154 + x < - m_scrollText.size() * 5 - 15 + 1)
x = -154;
}
else
{
if (154 + x < - m_metrics->width (m_scrollText) - 15 + 1)
x = -154;
}
update();
}
void TextScroller::setText(const QString& text)
{
m_progress = -1;
if (isVisible() && m_autoscroll)
m_timer->start();
if (m_text != text)
{
m_text = text;
m_scrollText = "*** " + text;
x = m_autoscroll ? -50 : -150;
m_bitmap = m_bitmapConf && (m_text.toLatin1() == m_text.toLocal8Bit());
}
if(m_bitmap)
m_offset = m_scrollText.size() * 5 + 15;
else
m_offset = m_metrics->width (m_scrollText) + 15;
update();
}
void TextScroller::updateSkin()
{
m_color.setNamedColor(m_skin->getPLValue("mbfg"));
setCursor(m_skin->getCursor(Skin::CUR_SONGNAME));
}
void TextScroller::setAutoscroll(bool enabled)
{
m_autoscroll = enabled;
x = -150;
if (m_autoscroll)
{
if (isVisible())
m_timer->start();
}
else
{
m_timer->stop();
update();
}
}
void TextScroller::readSettings()
{
QSettings settings(Qmmp::configFile(), QSettings::IniFormat);
QString fontname = settings.value("MainWindow/Font","").toString();
m_bitmapConf = settings.value("MainWindow/bitmap_font", FALSE).toBool();
m_font.fromString(fontname);
if (m_update)
{
delete m_metrics;
m_bitmap = m_bitmapConf && (m_text.toLatin1() == m_text.toLocal8Bit());
}
else
{
m_update = TRUE;
m_bitmap = FALSE;
}
m_metrics = new QFontMetrics(m_font);
setText(m_text);
}
void TextScroller::setProgress(int progress)
{
m_timer->stop();
m_progress = progress;
update();
}
void TextScroller::hideEvent (QHideEvent *)
{
m_timer->stop();
}
void TextScroller::showEvent (QShowEvent *)
{
if (m_autoscroll)
m_timer->start();
}
inline void drawBitmapText(int x, int y, const QString &text, QPainter *paint, Skin *skin)
{
QString lowertext = text.toLower();
int chwidth, ypix;
{
QPixmap samplechar = skin->getLetter('a');
chwidth = samplechar.width();
ypix = y - samplechar.height();
}
for (int i = 0; i < lowertext.size(); i++)
{
QPixmap pixchar = skin->getLetter(lowertext[i]);
paint->drawPixmap(x, ypix, pixchar);
x += chwidth;
}
}
void TextScroller::paintEvent (QPaintEvent *)
{
QPainter paint (this);
paint.setPen(m_color);
paint.setFont(m_font);
if (m_progress < 0)
{
if(m_bitmap)
{
if (m_autoscroll)
{
drawBitmapText (154 + x + m_offset * 2, 12, m_scrollText, &paint, m_skin);
drawBitmapText (154 + x + m_offset, 12, m_scrollText, &paint, m_skin);
drawBitmapText (154 + x, 12, m_scrollText, &paint, m_skin);
}
else
drawBitmapText (154 + x,12, m_text, &paint, m_skin);
}
else
{
if (m_autoscroll)
{
paint.drawText (154 + x + m_offset * 2, 12, m_scrollText);
paint.drawText (154 + x + m_offset, 12, m_scrollText);
paint.drawText (154 + x, 12, m_scrollText);
}
else
paint.drawText (154 + x,12, m_text);
}
}
else
paint.drawText (4,12, tr("Buffering:") + QString(" %1\%").arg(m_progress));
}
void TextScroller::mousePressEvent (QMouseEvent *e)
{
if (e->button() == Qt::RightButton)
m_menu->exec(e->globalPos());
else if (e->button() == Qt::LeftButton && m_autoscroll)
{
m_timer->stop();
press_pos = e->x() - (x + 154);
m_pressing = TRUE;
}
else
QWidget::mousePressEvent(e);
}
void TextScroller::mouseReleaseEvent (QMouseEvent *e)
{
if (e->button() == Qt::RightButton)
m_menu->exec(e->globalPos());
else if (e->button() == Qt::LeftButton && m_autoscroll)
{
m_timer->start();
m_pressing = FALSE;
}
else
QWidget::mouseReleaseEvent(e);
}
void TextScroller::mouseMoveEvent (QMouseEvent *e)
{
if (m_pressing)
{
int bound = m_metrics->width (m_scrollText) + 15 - 1;
x = (e->x() - press_pos) % bound;
if (x < 0)
x += bound;
x = x - bound - 154;
update();
}
else
QWidget::mouseMoveEvent(e);
}
