/***************************************************************************
* Copyright (C) 2015-2016 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., *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
***************************************************************************/
#include <QSettings>
#include <QPainter>
#include <QApplication>
#include <qmmp/qmmp.h>
#include <qmmpui/playlistmanager.h>
#include "listwidgetdrawer.h"
// |= number=|=row1=|=row2=|=extra= duration=|
ListWidgetDrawer::ListWidgetDrawer()
{
m_header_model = PlayListManager::instance()->headerModel();
m_update = false;
m_show_anchor = false;
m_show_number = false;
m_align_numbres = false;
m_show_lengths = false;
m_use_system_colors = false;
m_single_column = true;
m_row_height = 0;
m_number_width = 0;
m_padding = 0;
m_metrics = 0;
m_extra_metrics = 0;
m_bold_metrics = 0;
readSettings();
}
ListWidgetDrawer::~ListWidgetDrawer()
{
if(m_metrics)
delete m_metrics;
if(m_extra_metrics)
delete m_extra_metrics;
if(m_bold_metrics)
delete m_bold_metrics;
}
void ListWidgetDrawer::readSettings()
{
QSettings settings(Qmmp::configFile(), QSettings::IniFormat);
settings.beginGroup("Simple");
m_show_anchor = settings.value("pl_show_anchor", false).toBool();
m_show_number = settings.value ("pl_show_numbers", true).toBool();
m_show_lengths = settings.value ("pl_show_lengths", true).toBool();
m_align_numbres = settings.value ("pl_align_numbers", false).toBool();
m_font = qApp->font("QAbstractItemView");
if(!settings.value("use_system_fonts", true).toBool())
m_font.fromString(settings.value("pl_font", m_font.toString()).toString());
m_extra_font = m_font;
m_extra_font.setPointSize(m_font.pointSize() - 1);
m_use_system_colors = settings.value("pl_system_colors", true).toBool();
loadSystemColors();
if(!m_use_system_colors)
{
m_normal_bg.setNamedColor(settings.value("pl_bg1_color", m_normal_bg.name()).toString());
m_alternate.setNamedColor(settings.value("pl_bg2_color", m_alternate.name()).toString());
m_selected_bg.setNamedColor(settings.value("pl_highlight_color", m_selected_bg.name()).toString());
m_normal.setNamedColor(settings.value("pl_normal_text_color", m_normal.name()).toString());
m_current.setNamedColor(settings.value("pl_current_text_color",m_current.name()).toString());
m_highlighted.setNamedColor(settings.value("pl_hl_text_color",m_highlighted.name()).toString());
m_group_bg.setNamedColor(settings.value("pl_group_bg", m_group_bg.name()).toString());
m_group_alt_bg = m_group_bg;
m_group_text.setNamedColor(settings.value("pl_group_text", m_group_text.name()).toString());
}
if (m_update)
{
delete m_metrics;
delete m_extra_metrics;
delete m_bold_metrics;
}
m_update = true;
m_metrics = new QFontMetrics(m_font);
m_extra_metrics = new QFontMetrics(m_extra_font);
m_font.setBold(true);
m_bold_metrics = new QFontMetrics(m_font);
m_font.setBold(false);
m_padding = m_metrics->width("9")/2;
m_row_height = m_metrics->lineSpacing() + 1;
}
void ListWidgetDrawer::loadSystemColors()
{
m_normal = qApp->palette().color(QPalette::Text);
m_alternate = qApp->palette().color(QPalette::AlternateBase);
m_current = qApp->palette().color(QPalette::Text);
m_highlighted = qApp->palette().color(QPalette::HighlightedText);
m_normal_bg = qApp->palette().color(QPalette::Base);
m_selected_bg = qApp->palette().color(QPalette::Highlight);
m_group_bg = m_normal_bg;
m_group_alt_bg = m_alternate,
m_group_text = m_normal;
}
int ListWidgetDrawer::rowHeight() const
{
return m_row_height;
}
int ListWidgetDrawer::numberWidth() const
{
return m_number_width;
}
void ListWidgetDrawer::calculateNumberWidth(int count)
{
//song numbers width
if(m_show_number && m_align_numbres && count)
m_number_width = m_bold_metrics->width("9") * QString::number(count).size();
else
m_number_width = 0;
}
void ListWidgetDrawer::setSingleColumnMode(int enabled)
{
m_single_column = enabled;
}
void ListWidgetDrawer::prepareRow(ListWidgetRow *row)
{
if(m_number_width && m_single_column)
row->numberColumnWidth = m_number_width + 2 * m_padding;
else
row->numberColumnWidth = 0;
if(row->flags & ListWidgetRow::GROUP)
{
row->titles[0] = m_metrics->elidedText (row->titles[0], Qt::ElideRight,
row->rect.width() - m_number_width - 12 - 70);
return;
}
QFontMetrics *metrics = (row->flags & ListWidgetRow::CURRENT) ? m_bold_metrics : m_metrics;
if(row->titles.count() == 1)
{
if(m_show_number && !m_align_numbres)
row->titles[0].prepend(QString("%1").arg(row->number)+". ");
if((m_show_lengths && !row->length.isEmpty()) || !row->extraString.isEmpty())
row->lengthColumnWidth = m_padding;
else
row->lengthColumnWidth = 0;
if(m_show_lengths && !row->length.isEmpty())
row->lengthColumnWidth += metrics->width(row->length) + m_padding;
if(!row->extraString.isEmpty())
row->lengthColumnWidth += m_extra_metrics->width(row->extraString) + m_padding;
}
//elide title
int visible_width = row->rect.width() - row->lengthColumnWidth - row->numberColumnWidth;
if(row->titles.count() == 1 && !row->lengthColumnWidth)
{
row->titles[0] = metrics->elidedText (row->titles[0], Qt::ElideRight, visible_width - 2 * m_padding);
return;
}
else if(row->titles.count() == 1)
{
row->titles[0] = metrics->elidedText (row->titles[0], Qt::ElideRight, visible_width - m_padding);
return;
}
for(int i = 0; i < row->titles.count(); ++i)
{
int size = row->sizes[i];
if(i == row->trackStateColumn && !row->extraString.isEmpty())
{
int text_size = qMax(0, size - 3 * m_padding - m_extra_metrics->width(row->extraString));
row->titles[i] = metrics->elidedText (row->titles[i], Qt::ElideRight, text_size);
row->extraString = m_extra_metrics->elidedText(row->extraString, Qt::ElideRight,
size - 3 * m_padding - metrics->width(row->titles[i]));
}
else
{
row->titles[i] = metrics->elidedText (row->titles[i], Qt::ElideRight, size - 2 * m_padding);
}
visible_width -= size;
}
}
void ListWidgetDrawer::fillBackground(QPainter *painter, int width, int height)
{
painter->setBrush(m_normal_bg);
painter->setPen(m_normal_bg);
painter->drawRect(0,0,width,height);
}
void ListWidgetDrawer::drawBackground(QPainter *painter, ListWidgetRow *row, int index)
{
if(row->flags & ListWidgetRow::SELECTED)
{
painter->setBrush(m_selected_bg);
}
else if(row->flags & ListWidgetRow::GROUP)
{
if(index % 2)
{
painter->setBrush(QBrush(m_group_alt_bg));
painter->setPen(m_group_alt_bg);
}
else
{
painter->setBrush(QBrush(m_group_bg));
painter->setPen(m_group_bg);
}
}
else
{
if(index % 2)
{
painter->setBrush(QBrush(m_alternate));
painter->setPen(m_alternate);
}
else
{
painter->setBrush(QBrush(m_normal_bg));
painter->setPen(m_normal_bg);
}
}
if(m_show_anchor && (row->flags & ListWidgetRow::ANCHOR))
{
painter->setPen(m_normal);
}
else if(row->flags & ListWidgetRow::SELECTED)
{
painter->setPen(m_selected_bg);
}
painter->drawRect(row->rect);
}
void ListWidgetDrawer::drawSeparator(QPainter *painter, ListWidgetRow *row, bool rtl)
{
int sx = 50 + row->numberColumnWidth;
int sy = row->rect.y() + m_metrics->overlinePos() - 1;
painter->setFont(m_font);
painter->setPen(row->flags & ListWidgetRow::SELECTED ? m_highlighted : m_group_text);
if(rtl)
sx = row->rect.right() - sx - m_metrics->width(row->titles[0]);
else
sx += row->rect.x();
painter->drawText(sx, sy, row->titles[0]);
sy -= m_metrics->lineSpacing()/2 - 2;
if(rtl)
{
painter->drawLine(row->rect.x() + 5, sy, sx - 5, sy);
painter->drawLine(sx + m_metrics->width(row->titles[0]) + 5, sy,
row->rect.right() - row->numberColumnWidth - m_padding, sy);
if(row->numberColumnWidth)
{
painter->drawLine(row->rect.right() - row->numberColumnWidth, row->rect.top(),
row->rect.right() - row->numberColumnWidth, row->rect.bottom() + 1);
}
}
else
{
painter->drawLine(sx - 45, sy, sx - 5, sy);
painter->drawLine(sx + m_metrics->width(row->titles[0]) + 5, sy,
row->rect.width(), sy);
if(row->numberColumnWidth)
{
painter->drawLine(row->rect.left() + row->numberColumnWidth, row->rect.top(),
row->rect.left() + row->numberColumnWidth, row->rect.bottom() + 1);
}
}
}
void ListWidgetDrawer::drawTrack(QPainter *painter, ListWidgetRow *row, bool rtl)
{
int sy = row->rect.y() + m_metrics->overlinePos() - 1;
int sx = rtl ? row->rect.right() : row->rect.x();
int title_x = 0, extra_x = 0;
bool draw_extra = false;
painter->setFont(m_font);
painter->setPen(row->flags & ListWidgetRow::SELECTED ? m_highlighted : m_normal);
QFontMetrics *metrics = 0;
if(row->flags & ListWidgetRow::CURRENT)
{
m_font.setBold(true);
painter->setFont(m_font);
m_font.setBold(false);
metrics = m_bold_metrics;
}
else
metrics = m_metrics;
if(rtl)
{
//|=duration=extra=|= col1=|=number =|
if(row->titles.count() == 1)
{
if(row->numberColumnWidth)
{
sx -= row->numberColumnWidth;
QString number = QString("%1").arg(row->number);
painter->drawText(sx + m_padding, sy, number);
painter->drawLine(sx, row->rect.top(), sx, row->rect.bottom() + 1);
}
sx -= metrics->width(row->titles[0]);
painter->drawText(sx - m_padding, sy, row->titles[0]);
sx = row->rect.x() + m_padding;
if(m_show_lengths && !row->length.isEmpty())
{
painter->drawText(sx, sy, row->length);
sx += metrics->width(row->length);
sx += m_padding;
}
if(!row->extraString.isEmpty())
{
painter->setFont(m_extra_font);
painter->drawText(sx, sy, row->extraString);
}
}
else //|=extra col1=|= col2=|
{
for(int i = 0; i < row->sizes.count(); i++)
{
draw_extra = (i == row->trackStateColumn && !row->extraString.isEmpty());
if(row->alignment[i] == ListWidgetRow::ALIGN_LEFT)
{
title_x = sx - row->sizes[i] + m_padding;
extra_x = draw_extra ? sx - m_padding - m_extra_metrics->width(row->extraString) : 0;
}
else if(row->alignment[i] == ListWidgetRow::ALIGN_RIGHT)
{
title_x = sx - m_padding - metrics->width(row->titles[i]);
extra_x = draw_extra ? sx - row->sizes[i] + m_padding : 0;
}
else
{
title_x = sx - row->sizes[i] / 2 - metrics->width(row->titles[i]) / 2 +
(draw_extra ? (m_extra_metrics->width(row->extraString) + m_padding) / 2 : 0);
extra_x = draw_extra ? title_x - metrics->width(row->extraString) - m_padding : 0;
}
painter->drawText(title_x, sy, row->titles[i]);
if(draw_extra)
{
QFont prev_font = painter->font();
painter->setFont(m_extra_font);
painter->drawText(extra_x, sy, row->extraString);
painter->setFont(prev_font);
}
sx -= row->sizes[i];
if(!row->autoResize || i < row->sizes.count() - 1) //do not draw last vertical line
{
painter->drawLine(sx - 1, row->rect.top(), sx - 1, row->rect.bottom() + 1);
}
}
}
}
else
{
//|= number=|=col =|=extra=duration=|
if(row->titles.count() == 1)
{
if(row->numberColumnWidth)
{
sx += row->numberColumnWidth;
QString number = QString("%1").arg(row->number);
painter->drawText(sx - m_padding - metrics->width(number), sy, number);
painter->drawLine(sx, row->rect.top(), sx, row->rect.bottom() + 1);
}
painter->drawText(sx + m_padding, sy, row->titles[0]);
sx = row->rect.right() - m_padding;
if(m_show_lengths && !row->length.isEmpty())
{
sx -= metrics->width(row->length);
painter->drawText(sx, sy, row->length);
sx -= m_padding;
}
if(!row->extraString.isEmpty())
{
sx -= m_extra_metrics->width(row->extraString);
painter->setFont(m_extra_font);
painter->drawText(sx, sy, row->extraString);
}
}
else //|=col1 extra=|=col2 =|
{
for(int i = 0; i < row->sizes.count(); i++)
{
draw_extra = (i == row->trackStateColumn && !row->extraString.isEmpty());
if(row->alignment[i] == ListWidgetRow::ALIGN_LEFT)
{
title_x = sx + m_padding;
extra_x = draw_extra ? sx + row->sizes[i] - m_padding - m_extra_metrics->width(row->extraString) : 0;
}
else if(row->alignment[i] == ListWidgetRow::ALIGN_RIGHT)
{
title_x = sx + row->sizes[i] - m_padding - metrics->width(row->titles[i]);
extra_x = draw_extra ? sx + m_padding : 0;
}
else
{
title_x = sx + row->sizes[i] / 2 - metrics->width(row->titles[i]) / 2 -
(draw_extra ? (m_extra_metrics->width(row->extraString) + m_padding) / 2 : 0);
extra_x = draw_extra ? title_x + metrics->width(row->titles[i]) + m_padding : 0;
}
painter->drawText(title_x, sy, row->titles[i]);
if(draw_extra)
{
QFont prev_font = painter->font();
painter->setFont(m_extra_font);
painter->drawText(extra_x, sy, row->extraString);
painter->setFont(prev_font);
}
sx += row->sizes[i];
if(!row->autoResize || i < row->sizes.count() - 1) //do not draw last vertical line
{
painter->drawLine(sx - 1, row->rect.top(), sx - 1, row->rect.bottom() + 1);
}
}
}
}
}
void ListWidgetDrawer::drawDropLine(QPainter *painter, int row_number, int width, int header_height)
{
painter->setPen(m_current);
painter->drawLine (5, header_height + row_number * m_row_height,
width - 5 , header_height + row_number * m_row_height);
}
