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-rw-r--r--src/plugins/Ui/skinned/textscroller.cpp314
1 files changed, 314 insertions, 0 deletions
diff --git a/src/plugins/Ui/skinned/textscroller.cpp b/src/plugins/Ui/skinned/textscroller.cpp
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+++ b/src/plugins/Ui/skinned/textscroller.cpp
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+/***************************************************************************
+ * Copyright (C) 2006-2011 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 <qmmp/soundcore.h>
+#include <qmmpui/metadataformatter.h>
+#include "skin.h"
+#include "textscroller.h"
+
+#define SCROLL_SEP " *** "
+#define TITLE_FORMAT "%if(%p&%t,%p - %t,%p%t)%if(%p&%t,,%f)%if(%l, - %l,)"
+
+TextScroller::TextScroller (QWidget *parent)
+ : QWidget (parent)
+{
+ m_pressed = false;
+ m_press_pos = 0;
+ m_metrics = 0;
+ m_defautText = QString("Qmmp ") + Qmmp::strVersion();
+ m_core = SoundCore::instance();
+ m_skin = Skin::instance();
+ m_ratio = m_skin->ratio();
+
+ m_timer = new QTimer (this);
+ m_timer->setInterval(50);
+ m_timer->start();
+
+ m_menu = new QMenu(this);
+ m_scrollAction = m_menu->addAction(tr("Autoscroll Songname"));
+ m_scrollAction->setCheckable(true);
+ connect(m_scrollAction, SIGNAL(toggled(bool)), SLOT(updateText()));
+ connect(m_timer, SIGNAL (timeout()), SLOT (addOffset()));
+ connect(m_skin, SIGNAL(skinChanged()), SLOT(updateSkin()));
+ connect(m_core, SIGNAL(stateChanged(Qmmp::State)), SLOT(processState(Qmmp::State)));
+ connect(m_core, SIGNAL(metaDataChanged()), SLOT(processMetaData()));
+ //readSettings();
+ updateSkin();
+}
+
+TextScroller::~TextScroller()
+{
+ QSettings settings(Qmmp::configFile(), QSettings::IniFormat);
+ settings.setValue("TextScroller/autoscroll", m_scrollAction->isChecked());
+ if(m_metrics)
+ delete m_metrics;
+}
+
+void TextScroller::setText(const QString &text)
+{
+ m_sliderText = text;
+ updateText();
+}
+
+void TextScroller::clear()
+{
+ setText(QString());
+}
+
+void TextScroller::addOffset()
+{
+ if(!m_scroll)
+ {
+ m_timer->stop();
+ return;
+ }
+ m_x1--;
+ m_x2--;
+ if(m_x1 < - m_pixmap.width())
+ m_x1 = m_pixmap.width();
+ if(m_x2 < - m_pixmap.width())
+ m_x2 = m_pixmap.width();
+ update();
+}
+
+void TextScroller::updateSkin()
+{
+ m_color.setNamedColor(m_skin->getPLValue("mbfg"));
+ setCursor(m_skin->getCursor(Skin::CUR_SONGNAME));
+ QSettings settings(Qmmp::configFile(), QSettings::IniFormat);
+ m_bitmap = settings.value("MainWindow/bitmap_font", false).toBool();
+ m_ratio = m_skin->ratio();
+ QString fontname = settings.value("MainWindow/Font").toString();
+ m_font.fromString(fontname);
+ if (m_metrics)
+ delete m_metrics;
+ else
+ m_scrollAction->setChecked(settings.value("TextScroller/autoscroll", true).toBool());
+ m_metrics = new QFontMetrics(m_font);
+ updateText();
+}
+
+void TextScroller::setProgress(int progress)
+{
+ m_bufferText = tr("Buffering: %1%").arg(progress);
+ updateText();
+}
+
+void TextScroller::hideEvent (QHideEvent *)
+{
+ m_timer->stop();
+}
+
+void TextScroller::showEvent (QShowEvent *)
+{
+ if (m_scroll)
+ 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);
+ if(m_scroll)
+ {
+ paint.drawPixmap(m_x1,0, m_pixmap);
+ paint.drawPixmap(m_x2,0, m_pixmap);
+ }
+ else
+ paint.drawPixmap(4,0, m_pixmap);
+}
+
+void TextScroller::mousePressEvent (QMouseEvent *e)
+{
+ if (e->button() == Qt::RightButton)
+ m_menu->exec(e->globalPos());
+ else if (e->button() == Qt::LeftButton && m_scroll)
+ {
+ m_timer->stop();
+ m_press_pos = e->x() - m_x1;
+ m_pressed = 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_scroll)
+ m_timer->start();
+ else
+ QWidget::mouseReleaseEvent(e);
+ m_pressed = false;
+}
+
+void TextScroller::mouseMoveEvent (QMouseEvent *e)
+{
+ if (m_pressed)
+ {
+ int bound = m_pixmap.width();
+ m_x1 = (e->x() - m_press_pos) % bound;
+ if (m_x1 > 0)
+ m_x1 -= bound;
+ m_x2 = m_x1 + m_pixmap.width();
+ update();
+ }
+ else
+ QWidget::mouseMoveEvent(e);
+}
+
+void TextScroller::processState(Qmmp::State state)
+{
+ switch(state)
+ {
+ case Qmmp::Buffering:
+ {
+ connect(m_core, SIGNAL(bufferingProgress(int)), SLOT(setProgress(int)));
+ break;
+ }
+ case Qmmp::Playing:
+ {
+ disconnect(m_core, SIGNAL(bufferingProgress(int)), this, 0);
+ m_bufferText.clear();
+ updateText();
+ break;
+ }
+ case Qmmp::Paused:
+ {
+ break;
+ }
+ case Qmmp::Stopped:
+ {
+ m_bufferText.clear();
+ m_titleText.clear();
+ updateText();
+ break;
+ }
+ default:
+ break;
+ }
+}
+
+void TextScroller::processMetaData()
+{
+ MetaDataFormatter formater(TITLE_FORMAT);
+ if(m_core->state() == Qmmp::Playing)
+ {
+ m_titleText = formater.parse(m_core->metaData(), m_core->totalTime()/1000);
+ updateText();
+ }
+}
+
+void TextScroller::preparePixmap(const QString &text, bool scrollable)
+{
+ m_scroll = scrollable;
+ bool bitmap = m_bitmap && (text.toLatin1() == text.toLocal8Bit()); //use bitmap font if possible
+ if(scrollable)
+ {
+ int textWidth = m_bitmap ? QString(text + SCROLL_SEP).size() * 5
+ : m_metrics->width(text + SCROLL_SEP);
+ int count = 150*m_ratio / textWidth + 1;
+ int width = count * textWidth;
+ QString fullText;
+ for(int i = 0; i < count; ++i)
+ {
+ fullText.append(text + SCROLL_SEP);
+ }
+ m_pixmap = QPixmap(width,15*m_ratio);
+ m_pixmap.fill(Qt::transparent);
+ QPainter painter(&m_pixmap);
+ painter.setPen(m_color);
+ painter.setFont(m_font);
+ if(m_bitmap)
+ drawBitmapText (0,12, fullText, &painter, m_skin);
+ else
+ painter.drawText (0,12, fullText);
+ m_x1 = 0;
+ m_x2 = m_pixmap.width();
+ }
+ else
+ {
+ m_pixmap = QPixmap(150*m_ratio,15*m_ratio);
+ m_pixmap.fill(Qt::transparent);
+ QPainter painter(&m_pixmap);
+ painter.setPen(m_color);
+ painter.setFont(m_font);
+ if(bitmap)
+ drawBitmapText (0,12, text, &painter, m_skin);
+ else
+ painter.drawText (0,12, text);
+ }
+}
+
+void TextScroller::updateText() //draw text according priority
+{
+ if(!m_sliderText.isEmpty())
+ {
+ preparePixmap(m_sliderText);
+ m_timer->stop();
+ }
+ else if(!m_bufferText.isEmpty())
+ {
+ preparePixmap(m_bufferText);
+ m_timer->stop();
+ }
+ else if (!m_titleText.isEmpty())
+ {
+ preparePixmap(m_titleText, m_scrollAction->isChecked());
+ m_timer->start();
+ }
+ else if(!m_defautText.isEmpty())
+ {
+ preparePixmap(m_defautText);
+ m_timer->stop();
+ }
+ else
+ {
+ m_timer->stop();
+ m_pixmap = QPixmap (150*m_ratio,15*m_ratio);
+ m_pixmap.fill(Qt::transparent);
+ m_scroll = false;
+ }
+ update();
+}
generated by cgit v1.2.3-13-gbd6f (git 2.30.0) at 2025-12-15 14:18:18 +0000