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fmpreviewlist.cpp
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fmpreviewlist.cpp
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/***************************************************************************
* Copyright (C) 2007 by Pierre Marchand *
* pierre@oep-h.com *
* *
* 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 "fmpreviewlist.h"
#include "typotek.h"
#include "fontitem.h"
#include "mainviewwidget.h"
#include "fmfloatingpreview.h"
#include "fmfontdb.h"
#include <QImage>
#include <QDebug>
#include <QSettings>
#include <QScrollBar>
//#include <QDrag>
//#include <QMimeData>
#include <QApplication>
#include <QLabel>
#include <QPainter>
#include <QBrush>
bool FMPreviewIconEngine::initState = false;
QPen FMPreviewIconEngine::pen = QPen();
QVector<QRgb> FMPreviewIconEngine::m_selPalette;
QRgb FMPreviewIconEngine::activatedColor = qRgb (9,223,11);
QRgb FMPreviewIconEngine::deactivatedColor = qRgb (190,190,190);
QRgb FMPreviewIconEngine::partlyActivatedColor = qRgb (166,220,220);
FMPreviewIconEngine::FMPreviewIconEngine()
:QIconEngineV2(),
activatedFont(NotActivated)
{
if(!initState)
{
// setup palette
QColor sColor( QApplication::palette().color(QPalette::Highlight) );
QColor tColor( QApplication::palette().color(QPalette::HighlightedText) );
m_selPalette.clear();
int sr(sColor.red());
int sg(sColor.green());
int sb(sColor.blue());
int tr(tColor.red());
int tg(tColor.green());
int tb(tColor.blue());
int cpal(256);
for ( int aa = 0; aa < cpal ; ++aa )
{
int sn(cpal - aa);
int tn(aa);
m_selPalette << qRgb (((sr*sn) + (tr*tn)) /cpal,
((sg*sn) + (tg*tn)) /cpal,
((sb*sn) + (tb*tn)) /cpal );
}
// setup "writing" pen
// pen.setColor(QColor(m_selPalette.at(128)));
pen.setColor(QColor(220,220,220));
pen.setWidth(1);
initState = true;
}
}
QVector<QRgb> FMPreviewIconEngine::actualSelPalette(const QVector<QRgb>& orig)
{
QRgb r(QApplication::palette().color(QPalette::Highlight).rgb());
QVector<QRgb> ret;
for(int i(0); i<256; ++i)
ret << r;
QColor bgColor(QApplication::palette().color(QPalette::Base));
QColor fgColor(QApplication::palette().color(QPalette::Text));
// In m_selPalette, background is at the begining of the vector
bool DarkOnLight(fgColor.rgb() < bgColor.rgb());
// order is dark first, light last
QMap<QRgb, int> order;
for(int i(0); i < orig.count(); ++i)
order[orig[i]] = i;
QList<int> oIdx(order.values());
if(DarkOnLight)
{
// oIdx has background values at the end
int v(0);
for(int c(oIdx.count() - 1); c >= 0 ; --c)
{
ret [oIdx[c]] = m_selPalette[v];
++v;
}
}
else
{
int v(0);
for(int c(0); c < oIdx.count() ; c++)
{
ret [oIdx[c]] = m_selPalette[v];
++v;
}
}
return ret;
}
FMPreviewIconEngine::~FMPreviewIconEngine()
{
// if(m_p)
// delete m_p;
}
void FMPreviewIconEngine::paint ( QPainter * painter, const QRect & rect, QIcon::Mode mode, QIcon::State state )
{
if(!m_p.isNull())
{
painter->save();
painter->translate(rect.x(),rect.y());
QRect r(0 , 0 , rect.width(), rect.height());
QPainterPath pp;
double rr(double(r.height()) / 5.0);
pp.addRoundedRect(r,rr,rr);
painter->setRenderHint(QPainter::Antialiasing, true);
// draw background
painter->save();
painter->setPen(Qt::NoPen);
if(mode == QIcon::Selected)
painter->setBrush(QApplication::palette().color(QPalette::Highlight));
else
painter->setBrush(QApplication::palette().color(QPalette::Base));
painter->drawPath(pp);
painter->restore();
// end of bg
painter->setPen(pen);
QRect tr(r);
tr.translate(0, (r.height() - m_p.height()) / 2);
if(mode == QIcon::Selected)
{
QImage hm(m_p.toImage().convertToFormat(QImage::Format_Indexed8));
hm.setColorTable(actualSelPalette(hm.colorTable()));
painter->setClipPath(pp);
painter->drawPixmap(tr, QPixmap::fromImage(hm) , r);
painter->drawPath(pp);
}
else
{
painter->drawPixmap(tr, m_p , r);
painter->drawPath(pp);
}
if(activatedFont != NotActivated)
{
painter->setPen(Qt::NoPen);
QPainterPath activationPath;
double rr2(rr/2.0);
activationPath.moveTo(rr, 0);
activationPath.cubicTo(rr2,0,
0,rr2,
0,rr);
activationPath.lineTo(0,rect.height() - rr);
activationPath.cubicTo(0,rect.height() -rr2,
rr2,rect.height(),
rr,rect.height());
activationPath.closeSubpath();
if(activatedFont == Activated)
painter->setBrush(QBrush(activatedColor));
else if(activatedFont == PartlyActivated)
painter->setBrush(QBrush(partlyActivatedColor));
painter->drawPath(activationPath);
}
painter->restore();
}
}
void FMPreviewIconEngine::addPixmap ( const QPixmap & pixmap, QIcon::Mode mode, QIcon::State state )
{
m_p = pixmap;
}
FMPreviewModel::FMPreviewModel( QObject * pa , FMPreviewView * wPa, QList<FontItem*> db )
: QAbstractListModel(pa) , m_view(wPa), base(db)
{
familyMode = false;
QSettings settings;
styleTooltipName = settings.value("Preview/StyleTooltipName","font-weight:bold;").toString();
styleTooltipPath = settings.value("Preview/StyleTooltipPath","font-weight:normal;font-size:small;").toString();
styleTooltipTags = settings.value("Preview/StyleTooltipTags","text-align:right;font-weight:normal;font-size:small;font-style:italic;").toString();
settings.setValue("Preview/StyleTooltipName", styleTooltipName);
settings.setValue("Preview/StyleTooltipPath", styleTooltipPath);
settings.setValue("Preview/StyleTooltipTags", styleTooltipTags);
}
QVariant FMPreviewModel::data(const QModelIndex & index, int role) const
{
if(!index.isValid())
return QVariant();
int row = index.row();
// qDebug()<<"D"<<row;
FontItem *fit;
if(base.isEmpty())
fit = FMFontDb::DB()->getFilteredFonts(true).at(row);
else
fit = base.at(row);
if(!fit)
return QVariant();
QColor bgColor(QApplication::palette().color(QPalette::Base));
QColor fgColor(QApplication::palette().color(QPalette::Text));
int width(m_view->getUsedWidth());
if(role == Qt::DisplayRole)
{
if( typotek::getInstance()->getPreviewSubtitled() )
return fit->fancyName() ;
else
return QVariant();
}
else if(role == Qt::DecorationRole)
{
QString word;
if(specString.isEmpty())
word = typotek::getInstance()->word(fit);
else
word = typotek::getInstance()->word(fit, specString);
QPixmap im(fit->oneLinePreviewPixmap(word,fgColor, bgColor, width ) );
FMPreviewIconEngine * pie(new FMPreviewIconEngine);
if(!familyMode)
pie->setActivation(fit->isActivated() ? FMPreviewIconEngine::Activated : FMPreviewIconEngine::NotActivated);
else
{
bool hasActive(false);
bool hasNotActive(false);
foreach(FontItem * f, FMFontDb::DB()->FamilySet(fit->family()))
{
if(f->isActivated())
hasActive = true;
else
hasNotActive = true;
if(hasActive && hasNotActive)
break;
}
if(hasNotActive && hasActive)
pie->setActivation(FMPreviewIconEngine::PartlyActivated);
else
{
pie->setActivation(hasActive ? FMPreviewIconEngine::Activated : FMPreviewIconEngine::NotActivated);
}
}
QIcon ic( pie );
ic.addPixmap(im);
return ic;
}
else if(role == Qt::ToolTipRole)
{
if(familyMode)
{
QList<FontItem*> fam(FMFontDb::DB()->FamilySet(fit->family()));
QString sRet;
sRet+= "<div style=\"" + styleTooltipName + "\">" + fit->family() + " ("+QString::number(fam.count())+")</div>";
sRet+= "<div style=\"" + styleTooltipTags + "\">" + fit->tags().join(QString(", ")) + "</div>";
foreach(FontItem* ffi, fam)
{
sRet += "<div style=\"" + styleTooltipPath + "\">" + ffi->variant() + "</div>";
}
return sRet;
}
if(typotek::getInstance()->getPreviewSubtitled())
{
return QString("<div style=\"" + styleTooltipPath + "\">" + fit->path() + "</div>");
}
else
{
QString complete;
complete += "<div style=\"" + styleTooltipName + "\">" + fit->fancyName() + "</div>";
complete += "\n";
complete += "<div style=\"" + styleTooltipPath + "\">" + fit->path() + "</div>";
return complete;
}
}
else if(role == PathRole)
{
return fit->path();
}
// fall back
return QVariant();
}
Qt::ItemFlags FMPreviewModel::flags(const QModelIndex & index) const
{
return (Qt::ItemIsEnabled | Qt::ItemIsSelectable);
}
int FMPreviewModel::rowCount(const QModelIndex & parent) const
{
if(parent.isValid() || !typotek::getInstance()->getTheMainView())
return 0;
int cl(0);
if(base.isEmpty())
cl = FMFontDb::DB()->getFilteredFonts(true).count();
else
cl = base.count();
return cl;
}
void FMPreviewModel::dataChanged()
{
QAbstractItemModel::dataChanged(index(0),index(rowCount(QModelIndex()) - 1));
m_view->updateLayout();
emit layoutChanged ();
}
void FMPreviewModel::resetBase(QList<FontItem *>db)
{
base = db;
dataChanged();
}
QList<FontItem *> FMPreviewModel::getBase()
{
if(base.isEmpty())
return FMFontDb::DB()->getFilteredFonts(true);
else
return base;
}
FMPreviewView::FMPreviewView(QWidget * parent):
QListView(parent),
columns(1)
{
dragFlag = false;
setDragEnabled(true);
setDragDropMode(QAbstractItemView::DragDrop);
setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
setSelectionRectVisible(false);
}
bool FMPreviewView::moveTo(const QString &fname)
{
QList<FontItem*> fl(reinterpret_cast<FMPreviewModel*>(model())->getBase());
QString uname(fname.toUpper());
const int fl_count(fl.count());
int rFont(fl_count);
for(int i(0); i < fl_count ; ++i)
{
QString pname(fl[i]->fancyName().toUpper());
pname.truncate(uname.count());
if(uname == pname)
{
rFont = i;
break;
}
}
if(rFont != fl_count)
{
QAbstractListModel *mod(reinterpret_cast<QAbstractListModel*>(model()));
QModelIndex mi(mod->index(rFont));
if(mi.isValid())
{
selectionModel()->setCurrentIndex(mi, QItemSelectionModel::ClearAndSelect);
// scrollTo ( mi );
return true;
}
}
return false;
}
void FMPreviewView::resizeEvent(QResizeEvent * event)
{
int extraSpace((verticalScrollBar()->isVisible() ? verticalScrollBar()->width() : 0)
+ frameWidth()
+ lineWidth()
+ midLineWidth());
int actualWidth(this->width() - extraSpace);
// qDebug()<<"W"<<this->width()<<"AW"<<actualWidth<<verticalScrollBar()->width()<<verticalScrollBar()->isVisible();
// qDebug()<<frameWidth() << lineWidth() << midLineWidth();
if(spacing() == 0)
setSpacing(3);
if(columns == 1)
usedWidth = qRound((double(actualWidth) / columns) - (columns * 2.0 * double(spacing())));
else
usedWidth = 280;
// emit widthChanged(usedWidth);
setIconSize(QSize(qRound(usedWidth),
2.0 * typotek::getInstance()->getPreviewSize() * typotek::getInstance()->getDpiY() / 72.0));
QListView::resizeEvent(event);
}
void FMPreviewView::mousePressEvent(QMouseEvent * event)
{
if (event->button() == Qt::LeftButton)
{
startDragPoint = event->pos();
dragFlag = false;
// const QModelIndex idx ( indexAt(startDragPoint) );
// if(idx.isValid())
// emit pressed(idx);
}
QListView::mousePressEvent(event);
}
void FMPreviewView::mouseMoveEvent(QMouseEvent * event)
{
if(!(event->modifiers().testFlag( Qt::ControlModifier )))
return;
if (!(event->buttons() & Qt::LeftButton))
return;
if ((event->pos() - startDragPoint).manhattanLength() < QApplication::startDragDistance())
return;
FMPreviewModel * m(reinterpret_cast<FMPreviewModel*>(model()));
if(m && m->getFamilyMode())
return;
// Create a window with the current preview
if(currentIndex().isValid() && (!dragFlag))
{
dragFlag = true;
// FontItem * sf(typotek::getInstance()->getSelectedFont());
QModelIndex idx = indexAt(startDragPoint);
QString fname = idx.data(FMPreviewModel::PathRole).toString();
if(!fname.isEmpty())
{
FontItem * sf(FMFontDb::DB()->Font(fname));
if(sf)
FMFloatingPreview::create(sf, QRect(event->globalPos(), QSize(width() ,1) ));
}
}
}
void FMPreviewView::keyPressEvent(QKeyEvent *event)
{
qDebug()<<"FMPreviewView::keyPressEvent"<<event;
if((!event->text().isEmpty()) && (event->text().at(0).isLetterOrNumber()))
emit keyPressed(event->text());
else
QListView::keyPressEvent(event);
}
void FMPreviewView::updateLayout()
{
update();
}
void FMPreviewView::setCurrentFont(const QString & name)
{
QList<FontItem*> fl(reinterpret_cast<FMPreviewModel*>(model())->getBase());
const int fl_count(fl.count());
int rFont(fl_count);
for(int i(0); i < fl_count ; ++i)
{
if(fl[i]->path() == name)
{
rFont = i;
break;
}
}
if(rFont != fl_count)
{
QAbstractListModel *mod(reinterpret_cast<QAbstractListModel*>(model()));
QModelIndex mi(mod->index(rFont));
if(mi.isValid())
{
selectionModel()->setCurrentIndex(mi, QItemSelectionModel::ClearAndSelect);
// scrollTo ( mi );
}
}
}