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Diffstat (limited to 'src/plugins/Ui/skinned/listwidget.cpp')
| -rw-r--r-- | src/plugins/Ui/skinned/listwidget.cpp | 569 |
1 files changed, 569 insertions, 0 deletions
diff --git a/src/plugins/Ui/skinned/listwidget.cpp b/src/plugins/Ui/skinned/listwidget.cpp new file mode 100644 index 000000000..fe261c24a --- /dev/null +++ b/src/plugins/Ui/skinned/listwidget.cpp @@ -0,0 +1,569 @@ +/*************************************************************************** + * 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 <QPixmap> +#include <QResizeEvent> +#include <QPainter> +#include <QFont> +#include <QFontMetrics> +#include <QSettings> +#include <QMenu> +#include <QUrl> +#include <QApplication> +#include <QHelpEvent> +#include <QTimer> +#include <qmmpui/playlistitem.h> +#include <qmmpui/playlistmodel.h> +#include <qmmpui/mediaplayer.h> +#include "listwidget.h" +#include "skin.h" +#include "popupwidget.h" +#include "playlist.h" + +#define INVALID_ROW -1 + +ListWidget::ListWidget(QWidget *parent) + : QWidget(parent) +{ + m_update = false; + m_skin = Skin::instance(); + m_popupWidget = 0; + m_metrics = 0; + m_extra_metrics = 0; + loadColors(); + m_menu = new QMenu(this); + m_scroll_direction = NONE; + m_prev_y = 0; + m_anchor_row = INVALID_ROW; + m_player = MediaPlayer::instance(); + connect (m_player, SIGNAL(repeatableChanged(bool)), SLOT(updateList())); + 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); + setMouseTracking(true); + m_timer = new QTimer(this); + m_timer->setInterval(50); + connect(m_timer, SIGNAL(timeout()), SLOT(autoscroll())); +} + + +ListWidget::~ListWidget() +{ + if(m_metrics) + delete m_metrics; + if(m_extra_metrics) + delete m_extra_metrics; +} + +void ListWidget::readSettings() +{ + QSettings settings(Qmmp::configFile(), QSettings::IniFormat); + m_font.fromString(settings.value("PlayList/Font", QApplication::font().toString()).toString()); + m_extra_font = m_font; + m_extra_font.setPointSize(m_font.pointSize() - 1); + m_show_protocol = settings.value ("PlayList/show_protocol", false).toBool(); + m_show_number = settings.value ("PlayList/show_numbers", true).toBool(); + m_align_numbres = settings.value ("PlayList/align_numbers", false).toBool(); + m_show_anchor = settings.value("PlayList/show_anchor", false).toBool(); + bool show_popup = settings.value("PlayList/show_popup", false).toBool(); + + if (m_update) + { + delete m_metrics; + delete m_extra_metrics; + m_metrics = new QFontMetrics(m_font); + m_extra_metrics = new QFontMetrics(m_extra_font); + m_rows = height() / (m_metrics->lineSpacing() + 2); + updateList(); + if(m_popupWidget) + { + m_popupWidget->deleteLater(); + m_popupWidget = 0; + } + } + else + { + m_update = true; + m_metrics = new QFontMetrics(m_font); + m_extra_metrics = new QFontMetrics(m_extra_font); + } + if(show_popup) + m_popupWidget = new PlayListPopup::PopupWidget(this); +} + +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.setFont(m_font); + m_painter.setBrush(QBrush(m_normal_bg)); + m_painter.drawRect(-1,-1,width()+1,height()+1); + int font_y = 0; + + for (int i = 0; i < m_titles.size(); ++i ) + { + if (m_show_anchor && i == m_anchor_row - m_first) + { + m_painter.setBrush(m_model->isSelected(i + m_first) ? m_selected_bg : m_normal_bg); + m_painter.setPen(m_normal); + m_painter.drawRect (6, i * (m_metrics->lineSpacing() + 2), + width() - 10, m_metrics->lineSpacing() + 1); + } + else + { + if (m_model->isSelected(i + m_first)) + { + m_painter.setBrush(QBrush(m_selected_bg)); + m_painter.setPen(m_selected_bg); + m_painter.drawRect (6, i * (m_metrics->lineSpacing() + 2), + width() - 10, m_metrics->lineSpacing() + 1); + } + } + + if (m_model->currentRow() == i + m_first) + m_painter.setPen(m_current); + else + m_painter.setPen(m_normal); //243,58 + + font_y = (i + 1) * (2 + m_metrics->lineSpacing()) - 2 - m_metrics->descent(); + + + + if(m_number_width) + { + QString number = QString("%1").arg(m_first+i+1); + m_painter.drawText(10 + m_number_width - m_extra_metrics->width(number), + font_y, number); + m_painter.drawText(10 + m_number_width + m_metrics->width("9"), font_y, m_titles.at(i)); + } + else + m_painter.drawText(10, font_y, m_titles.at(i)); + + + QString extra_string = getExtraString(m_first + i); + if(!extra_string.isEmpty()) + { + m_painter.setFont(m_extra_font); + + if(m_times.at(i).isEmpty()) + m_painter.drawText(width() - 7 - m_extra_metrics->width(extra_string), + font_y, extra_string); + else + m_painter.drawText(width() - 10 - m_extra_metrics->width(extra_string) - + m_metrics->width(m_times.at(i)), font_y, extra_string); + m_painter.setFont(m_font); + } + m_painter.drawText(width() - 7 - m_metrics->width(m_times.at(i)), font_y, m_times.at(i)); + } + //draw line + if(m_number_width) + { + m_painter.setPen(m_normal); + m_painter.drawLine(10 + m_number_width + m_metrics->width("9") / 2, 2, + 10 + m_number_width + m_metrics->width("9") / 2, font_y); + } +} + +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) +{ + if(m_popupWidget) + m_popupWidget->hide(); + m_scroll = true; + int y = e->y(); + int row = rowAt(y); + + if (INVALID_ROW != row && m_model->count() > row) + { + m_pressed_row = row; + if(e->button() == Qt::RightButton && !m_model->isSelected(row)) + { + m_model->clearSelection(); + m_model->setSelected(row, true); + m_anchor_row = m_pressed_row; + QWidget::mousePressEvent(e); + return; + } + + if (m_model->isSelected(row) && (e->modifiers() == Qt::NoModifier)) + { + m_select_on_release = true; + QWidget::mousePressEvent(e); + return; + } + + if ((Qt::ShiftModifier & e->modifiers())) + { + bool select = true; + if (m_pressed_row > m_anchor_row) + { + for (int j = m_anchor_row;j <= m_pressed_row;j++) + { + m_model->setSelected(j, select); + } + } + else + { + for (int j = m_anchor_row;j >= m_pressed_row;j--) + { + m_model->setSelected(j, select); + } + } + m_anchor_row = m_pressed_row; + } + else //ShiftModifier released + { + if ((Qt::ControlModifier & e->modifiers())) + { + m_model->setSelected(row, !m_model->isSelected(row)); + } + else //ControlModifier released + { + m_model->clearSelection(); + m_model->setSelected(row, true); + } + m_anchor_row = m_pressed_row; + } + update(); + } + QWidget::mousePressEvent(e); +} + +void ListWidget::resizeEvent(QResizeEvent *e) +{ + m_rows = e->size().height() / (m_metrics->lineSpacing() + 2); + 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(); +} + +bool ListWidget::event (QEvent *e) +{ + if(m_popupWidget) + { + if(e->type() == QEvent::ToolTip) + { + QHelpEvent *helpEvent = (QHelpEvent *) e; + int row = rowAt(helpEvent->y()); + if(row < 0) + { + m_popupWidget->deactivate(); + return QWidget::event(e); + } + e->accept(); + m_popupWidget->prepare(m_model->item(row), helpEvent->globalPos()); + return true; + } + else if(e->type() == QEvent::Leave) + m_popupWidget->deactivate(); + } + return QWidget::event(e); +} + +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 + 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() && m_show_number && !m_align_numbres; ++i) + { + QString title = m_titles.at(i); + m_titles.replace(i, title.prepend(QString("%1").arg(m_first+i+1)+". ")); + + } + //song numbers width + if(m_show_number && m_align_numbres && m_model->count()) + { + m_number_width = m_metrics->width("9") * QString::number(m_model->count()).size(); + } + else + m_number_width = 0; + + //elide title + QString extra_string; + for (int i=0; i<m_titles.size(); ++i) + { + extra_string = getExtraString(m_first + i); + int extra_string_space = extra_string.isEmpty() ? 0 : m_metrics->width(extra_string); + if(m_number_width) + extra_string_space += m_number_width + m_metrics->width("9"); + m_titles.replace(i, m_metrics->elidedText (m_titles.at(i), Qt::ElideRight, + width() - m_metrics->width(m_times.at(i)) - 22 - extra_string_space)); + } + + update(); +} + +void ListWidget::autoscroll() +{ + 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(m_scroll_direction == DOWN) + { + int row = m_first + m_rows; + (m_first + m_rows < m_model->count()) ? m_first ++ : m_first; + m_model->moveItems(m_pressed_row,row); + m_pressed_row = row; + } + else if(m_scroll_direction == TOP && m_first > 0) + { + m_first --; + m_model->moveItems(m_pressed_row, m_first); + m_pressed_row = m_first; + } +} + +void ListWidget::setModel(PlayListModel *selected, PlayListModel *previous) +{ + if(previous) + disconnect(previous, 0, this, 0); //disconnect previous model + qApp->processEvents(); + m_model = selected; + m_first = 0; + m_scroll = false; + recenterCurrent(); + updateList(); + connect (m_model, SIGNAL(currentChanged()), SLOT(recenterCurrent())); + connect (m_model, SIGNAL(listChanged()), SLOT(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::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) +{ + m_model->add(info.absoluteFilePath()); +} + +const QString ListWidget::getExtraString(int i) +{ + QString extra_string; + + if (m_show_protocol && m_model->item(i)->url().contains("://")) + extra_string = "[" + m_model->item(i)->url().split("://").at(0) + "]"; + + if (m_model->isQueued(m_model->item(i))) + { + int index = m_model->queuedIndex(m_model->item(i)); + extra_string += "|"+QString::number(index + 1)+"|"; + } + + if(m_model->currentRow() == i && m_player->isRepeatable()) + extra_string += "|R|"; + else if(m_model->isStopAfter(m_model->item(i))) + extra_string += "|S|"; + + extra_string = extra_string.trimmed(); //remove white space + if(!extra_string.isEmpty()) + extra_string.prepend(" "); + return extra_string; +} + +void ListWidget::mouseMoveEvent(QMouseEvent *e) +{ + if(e->buttons() == Qt::LeftButton) + { + 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; + + if(e->y() < 0 || e->y() > height()) + { + if(!m_timer->isActive()) + m_timer->start(); + return; + } + m_timer->stop(); + + int row = rowAt(e->y()); + + if (INVALID_ROW != row) + { + SimpleSelection sel = m_model->getSelection(m_pressed_row); + if(sel.count() > 1 && m_scroll_direction == TOP) + { + if(sel.m_top == 0 || sel.m_top == m_first) + return; + } + else if(sel.count() > 1 && m_scroll_direction == DOWN) + { + if(sel.m_bottom == m_model->count() - 1 || sel.m_bottom == m_first + m_rows) + return; + } + m_model->moveItems(m_pressed_row,row); + + m_prev_y = e->y(); + m_scroll = false; + m_pressed_row = row; + m_anchor_row = row; + } + } + else if(m_popupWidget) + { + int row = rowAt(e->y()); + if(row < 0 || m_popupWidget->item() != m_model->item(row)) + m_popupWidget->deactivate(); + } +} + +void ListWidget::mouseReleaseEvent(QMouseEvent *e) +{ + if (m_select_on_release) + { + m_model->clearSelection(); + m_model->setSelected(m_pressed_row,true); + m_anchor_row = m_pressed_row; + m_select_on_release = false; + } + m_pressed_row = INVALID_ROW; + m_scroll_direction = NONE; + m_timer->stop(); + m_scroll = false; + 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 >= i * (m_metrics->lineSpacing() + 2)) && (y <= (i+1) * (m_metrics->lineSpacing() + 2))) + return m_first + i; + } + return INVALID_ROW; +} + +void ListWidget::contextMenuEvent(QContextMenuEvent * event) +{ + if (menu()) + menu()->exec(event->globalPos()); +} + +void ListWidget::recenterCurrent() +{ + if (!m_scroll && m_rows) + { + if (m_first + m_rows < m_model->currentRow() + 1) + m_first = qMin(m_model->count() - m_rows, + m_model->currentRow() - m_rows/2); + else if (m_first > m_model->currentRow()) + m_first = qMax (m_model->currentRow() - m_rows/2, 0); + } +} |