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Diffstat (limited to 'src/listwidget.cpp')
| -rw-r--r-- | src/listwidget.cpp | 482 |
1 files changed, 482 insertions, 0 deletions
diff --git a/src/listwidget.cpp b/src/listwidget.cpp new file mode 100644 index 000000000..a21508b5f --- /dev/null +++ b/src/listwidget.cpp @@ -0,0 +1,482 @@ +/*************************************************************************** + * Copyright (C) 2006 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 <QPixmap> +#include <QResizeEvent> +#include <QPainter> +#include <QFont> +#include <QFontMetrics> +#include <QSettings> +#include <QMenu> +#include <QUrl> +#include <QApplication> + +#include "mediafile.h" +#include "textscroller.h" +#include "listwidget.h" +#include "skin.h" +#include "playlistmodel.h" +#include "playlist.h" + +#define INVALID_ROW -1 + +ListWidget::ListWidget(QWidget *parent) + : QWidget(parent) +{ + m_update = FALSE; + m_skin = Skin::getPointer(); + loadColors(); + setWindowFlags(Qt::FramelessWindowHint); + m_menu = new QMenu(this); + m_scroll_direction = NONE; + m_prev_y = 0; + m_anchor_row = INVALID_ROW; + + m_first = 0; + m_rows = 0; + m_scroll = FALSE; + m_select_on_release = FALSE; + readSettings(); + connect(m_skin, SIGNAL(skinChanged()), this, SLOT(updateSkin())); + setAcceptDrops(true); +} + + +ListWidget::~ListWidget() +{} + +void ListWidget::readSettings() +{ + QSettings settings(QDir::homePath()+"/.qmmp/qmmprc", QSettings::IniFormat); + QString fontname = settings.value("PlayList/Font","").toString(); + if (fontname.isEmpty ()) + fontname = QFont("Helvetica [Cronyx]", 10).toString(); + m_font.fromString(fontname); + + if (m_update) + { + delete m_metrics; + m_metrics = new QFontMetrics(m_font); + m_rows = (height() - 10) / m_metrics->ascent (); + updateList(); + } + else + { + m_update = TRUE; + m_metrics = new QFontMetrics(m_font); + } +} + +void ListWidget::loadColors() +{ + m_normal.setNamedColor(m_skin->getPLValue("normal")); + m_current.setNamedColor(m_skin->getPLValue("current")); + m_normal_bg.setNamedColor(m_skin->getPLValue("normalbg")); + m_selected_bg.setNamedColor(m_skin->getPLValue("selectedbg")); +} + +void ListWidget::paintEvent(QPaintEvent *) +{ + + QPainter m_painter(this); + //m_painter.setPen(Qt::white); + m_painter.setFont(m_font); + m_painter.setBrush(QBrush(m_normal_bg)); + m_painter.drawRect(-1,-1,width()+1,height()+1); + + + + for (int i=0; i<m_titles.size(); ++i ) + { + if (m_model->isSelected(i + m_first)) + { + m_painter.setBrush(QBrush(m_selected_bg)); + m_painter.setPen(m_selected_bg); + m_painter.drawRect ( 6, 15+(i-1)*m_metrics->ascent(), + width() - 10, m_metrics->ascent()); + } + + if (m_model->currentRow() == i + m_first) + m_painter.setPen(m_current); + else + m_painter.setPen(m_normal); //243,58 + + m_painter.drawText(10,14+i*m_metrics->ascent(),m_titles.at(i)); + + if (m_model->isQueued(m_model->item(i + m_first))) + { + QString queue_string = "|" + + QString::number(1 + m_model->queuedIndex(m_model->item(m_first + i))) + "|"; + + int old_size = m_font.pointSize(); + m_font.setPointSize(old_size - 1 ); + m_painter.setFont(m_font); + + m_painter.drawText(width() - 10 - m_metrics->width(queue_string) - m_metrics->width(m_times.at(i)), 12+i*m_metrics->ascent (), queue_string); + + m_font.setPointSize(old_size); + m_painter.setFont(m_font); + + + m_painter.setBrush(QBrush(Qt::transparent)); + //m_painter.drawRect(width() - 10 - m_metrics->width(queue_string) - m_metrics->width(m_times.at(i)), + // /*14+*/i*m_metrics->ascent () + 3,10,12); + m_painter.setBrush(QBrush(m_normal_bg)); + } + + + m_painter.drawText(width() - 7 - m_metrics->width(m_times.at(i)), + 14+i*m_metrics->ascent (), m_times.at(i)); + + } + +} + +void ListWidget::mouseDoubleClickEvent (QMouseEvent *e) +{ + int y = e->y(); + int row = rowAt(y); + if (INVALID_ROW != row) + { + m_model->setCurrent(row); + emit selectionChanged(); + update(); + } +} + + +void ListWidget::mousePressEvent(QMouseEvent *e) +{ + m_scroll = TRUE; + int y = e->y(); + int row = rowAt(y); + + if (INVALID_ROW != row && m_model->count() > row) + { + if (!(Qt::ControlModifier & e->modifiers () || + Qt::ShiftModifier & e->modifiers () || + m_model->isSelected(row))) + m_model->clearSelection(); + + if (m_model->isSelected(row) && (e->modifiers() == Qt::NoModifier)) + m_select_on_release = TRUE; + + //qWarning("m_prev_clicked_row: %d",m_prev_clicked_row); + + m_pressed_row = row; + if ((Qt::ShiftModifier & e->modifiers())) + { + + if(m_pressed_row > m_anchor_row) + { + //int upper_selected = m_model->firstSelectedUpper(m_anchor_row); + //if (INVALID_ROW != upper_selected) + //{ + /*for (int j = upper_selected;j < m_anchor_row;j++) + { + m_model->setSelected(j, false); + }*/ + m_model->clearSelection(); + for (int j = m_anchor_row;j <= m_pressed_row;j++) + { + m_model->setSelected(j, true); + } + //} + } + else + { + m_model->clearSelection(); + for (int j = m_anchor_row;j >= m_pressed_row;j--) + { + m_model->setSelected(j, true); + } + } + + /* + int upper_selected = m_model->firstSelectedUpper(row); + int lower_selected = m_model->firstSelectedLower(row); + if (INVALID_ROW != upper_selected) + { + for (int j = upper_selected;j <= row;j++) + { + m_model->setSelected(j, true); + } + } + else if (INVALID_ROW != lower_selected) + { + for (int j = row;j <= lower_selected;j++) + { + m_model->setSelected(j, true); + } + } + else + m_model->setSelected(row, true); + */ + } + else + { + if (!m_model->isSelected(row) || (Qt::ControlModifier & e->modifiers())) + m_model->setSelected(row, !m_model->isSelected(row)); + } + + if(m_model->getSelection(m_pressed_row).count() == 1) + m_anchor_row = m_pressed_row; + //qWarning("m_anchor_row: %d",m_anchor_row); + + update(); + } + QWidget::mousePressEvent(e); +} + +void ListWidget::resizeEvent(QResizeEvent *e) +{ + m_rows = (e->size().height() - 10) / m_metrics->ascent (); + + m_scroll = TRUE; + + updateList(); + QWidget::resizeEvent(e); +} + +void ListWidget::wheelEvent (QWheelEvent *e) +{ + if (m_model->count() <= m_rows) + return; + if ((m_first == 0 && e->delta() > 0) || + ((m_first == m_model->count() - m_rows) && e->delta() < 0)) + return; + m_first -= e->delta()/40; //40*3 TODO: add step to config + if (m_first < 0) + m_first = 0; + + if (m_first > m_model->count() - m_rows) + m_first = m_model->count() - m_rows; + + m_scroll = FALSE; + updateList(); +} + +void ListWidget::updateList() +{ + if (m_model->count() < (m_rows+m_first+1) && m_rows< m_model->count()) + { + m_first = m_model->count() - m_rows; + } + if (m_model->count() < m_rows + 1) + { + m_first = 0; + emit positionChanged(0,0); + } + else + { + //int pos = m_first*99/(m_model->count() - m_rows); + //emit positionChanged(pos); + emit positionChanged(m_first, m_model->count() - m_rows); + } + if (m_model->count() <= m_first) + { + m_first = 0; + emit positionChanged(0, qMax(0, m_model->count() - m_rows)); + } + + m_titles = m_model->getTitles(m_first, m_rows ); + m_times = m_model->getTimes(m_first, m_rows ); + m_scroll = FALSE; + //add numbers + for (int i = 0; i < m_titles.size(); ++i) + { + QString title = m_titles.at(i); + m_titles.replace(i, title.prepend(QString("%1").arg(m_first+i+1)+". ")); + + } + if (m_model->currentItem()) + { + TextScroller::getPointer()->setText("*** "+m_model->currentItem()->title()); + parentWidget()->parentWidget()->setWindowTitle(m_model->currentItem()->title()); + } + cut(); + update(); +} + +void ListWidget::setModel(PlayListModel *model) +{ + m_model = model; + connect (m_model, SIGNAL(listChanged()), SLOT(updateList())); + connect (m_model, SIGNAL(currentChanged()), SLOT(recenterCurrent())); + updateList(); +} + +void ListWidget::scroll(int sc) +{ + if (m_model->count() <= m_rows) + return; + m_first = sc; //*(m_model->count() - m_rows)/99; + m_scroll = TRUE; + updateList(); +} + +void ListWidget::cut() +{ + bool cut; + for (int i=0; i<m_titles.size(); ++i ) + { + QString name; + cut = FALSE; + + int queue_number_space = 0; + if (m_model->isQueued(m_model->item(i + m_first))) + { + int index = m_model->queuedIndex(m_model->item(m_first + i)); + QString queue_string = "|"+QString::number(index)+"|"; + queue_number_space = m_metrics->width(queue_string); + } + while ( m_metrics->width(m_titles.at(i)) > (this->width() - 54 - queue_number_space)) + { + cut = TRUE; + name = m_titles.at(i); + m_titles.replace(i, name.left(name.length()-1) ); + } + if (cut) + { + m_titles.replace(i, name.left(name.length()-3).trimmed()+"..."); + + } + } +} + +void ListWidget::updateSkin() +{ + loadColors(); + update(); +} + +void ListWidget::dragEnterEvent(QDragEnterEvent *event) +{ + if (event->mimeData()->hasFormat("text/uri-list")) + event->acceptProposedAction(); +} + + +void ListWidget::dropEvent(QDropEvent *event) +{ + if (event->mimeData()->hasUrls()) + { + QList<QUrl> list_urls = event->mimeData()->urls(); + event->acceptProposedAction(); + QApplication::restoreOverrideCursor(); + + foreach(QUrl u,list_urls) + { + QString add_string = u.toString(QUrl::RemoveScheme); + if (!add_string.isEmpty()) + processFileInfo(QFileInfo(add_string)); + } + } + +} + +void ListWidget::processFileInfo(const QFileInfo& info) +{ + if (info.isDir()) + { + m_model->addDirectory(info.absoluteFilePath()); + } + else + { + m_model->addFile(info.absoluteFilePath()); + } +} + +void ListWidget::mouseMoveEvent(QMouseEvent *e) +{ + m_scroll = true; + if (m_prev_y > e->y()) + m_scroll_direction = TOP; + else if (m_prev_y < e->y()) + m_scroll_direction = DOWN; + else + m_scroll_direction = NONE; + + int row = rowAt(e->y()); + + if (INVALID_ROW != row) + { + SimpleSelection sel = m_model->getSelection(m_pressed_row); + if ((sel.m_top == 0 && m_scroll_direction == TOP) && sel.count() > 1 || + (sel.m_bottom == m_model->count() - 1 && m_scroll_direction == DOWN && sel.count() > 1) + ) + return; + + if (row + 1 == m_first + m_rows && m_scroll_direction == DOWN) + (m_first + m_rows < m_model->count() ) ? m_first ++ : m_first; + else if (row == m_first && m_scroll_direction == TOP) + (m_first > 0) ? m_first -- : 0; + + m_model->moveItems(m_pressed_row,row); + m_prev_y = e->y(); + m_scroll = false; + m_pressed_row = row; + } +} + +void ListWidget::mouseReleaseEvent(QMouseEvent *e) +{ + if (FALSE != m_select_on_release) + { + m_model->clearSelection(); + m_model->setSelected(m_pressed_row,true); + //if(e->modifiers() != Qt::ShiftModifier) + m_anchor_row = m_pressed_row; + m_select_on_release = FALSE; + } + m_pressed_row = INVALID_ROW; + m_scroll_direction = NONE; + QWidget::mouseReleaseEvent(e); +} + +int ListWidget::rowAt( int y) const +{ + for (int i = 0; i < qMin(m_rows, m_model->count() - m_first); ++i ) + { + if ((y >= 2+i*m_metrics->ascent())&&(y < 2+(i+1)*m_metrics->ascent())) + return m_first + i; + } + return INVALID_ROW; +} + + +void ListWidget::contextMenuEvent(QContextMenuEvent * event) +{ + if (menu()) + menu()->exec(event->globalPos()); +} + +void ListWidget::recenterCurrent() +{ + if (!m_scroll) + { + if (m_first + m_rows < m_model->currentRow() + 1) + m_first = qMin(m_model->count() - m_rows, + m_model->currentRow() - m_rows/2 + 1); + else if (m_first > m_model->currentRow()) + m_first = qMax (m_model->currentRow() - m_rows/2 + 1, 0); + } +} + + |