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fixed layout for thumbnails

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This commit is contained in:
csoler 2020-06-06 13:58:14 +02:00
parent 89fc77ef8e
commit 3106157ab0
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GPG Key ID: 7BCA522266C0804C
3 changed files with 91 additions and 15 deletions
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102
retroshare-gui/src/gui/gxschannels/GxsChannelPostsWidgetWithModel.cpp
View File

@ -61,11 +61,59 @@ static const int CHANNEL_TABS_POSTS = 1;
/* View mode */
#define VIEW_MODE_FEEDS 1
#define VIEW_MODE_FILES 2
#define COLUMN_SIZE_FONT_FACTOR_W 6
#define COLUMN_SIZE_FONT_FACTOR_H 12
Q_DECLARE_METATYPE(RsGxsFile)
// Class to paint the thumbnails with title
class ThumbnailView: public QWidget
{
public:
ThumbnailView(const RsGxsChannelPost& post,QWidget *parent=NULL)
: QWidget(parent)
{
QVBoxLayout *layout = new QVBoxLayout(this);
QLabel *lb = new QLabel(this);
lb->setScaledContents(true);
layout->addWidget(lb);
QLabel *lt = new QLabel(this);
layout->addWidget(lt);
setLayout(layout);
setSizePolicy(QSizePolicy::MinimumExpanding,QSizePolicy::MinimumExpanding);
// now fill the data
QPixmap thumbnail;
GxsIdDetails::loadPixmapFromData(post.mThumbnail.mData, post.mThumbnail.mSize, thumbnail,GxsIdDetails::ORIGINAL);
lb->setPixmap(thumbnail);
QFontMetricsF fm(font());
int W = 8 * fm.height() ;
int H = 12 * fm.height() ;
lb->setFixedSize(W,H);
lt->setText(QString::fromUtf8(post.mMeta.mMsgName.c_str()));
lt->setMaximumWidth(W);
lt->setWordWrap(true);
adjustSize();
update();
}
};
// Delegate used to paint into the table of thumbnails
void ChannelPostDelegate::paint(QPainter * painter, const QStyleOptionViewItem & option, const QModelIndex & index) const
{
#ifdef TODO
QString byteUnits[4] = {tr("B"), tr("KB"), tr("MB"), tr("GB")};
QStyleOptionViewItem opt = option;
QStyleOptionProgressBarV2 newopt;
@ -79,14 +127,16 @@ void ChannelPostDelegate::paint(QPainter * painter, const QStyleOptionViewItem &
qlonglong completed;
qlonglong downloadtime;
qint64 qi64Value;
#endif
// prepare
painter->save();
painter->setClipRect(opt.rect);
painter->setClipRect(option.rect);
RsGxsChannelPost post = index.data(Qt::UserRole).value<RsGxsChannelPost>() ;
//const RsGxsChannelPost& post(*pinfo);
#ifdef TODO
QVariant value = index.data(Qt::TextColorRole);
if(value.isValid() && qvariant_cast<QColor>(value).isValid())
@ -122,12 +172,42 @@ void ChannelPostDelegate::paint(QPainter * painter, const QStyleOptionViewItem &
painter->drawPixmap(QRect(opt.rect.topLeft() + img_pos,opt.rect.topLeft()+img_pos+img_size),thumbnail.scaled(W,H,Qt::KeepAspectRatio,Qt::SmoothTransformation));
painter->drawText(QRect(option.rect.topLeft() + txt_pos,option.rect.bottomRight()),Qt::AlignCenter,QString::fromStdString(post.mMeta.mMsgName));
#endif
painter->save();
painter->fillRect( option.rect, option.backgroundBrush);
painter->restore();
ThumbnailView w(post);
//w.setFixedWidth(option.rect.width());
QPixmap pixmap(w.size());
pixmap.fill(option.palette.color(QPalette::Background)); // choose the background
w.render(&pixmap,QPoint(),QRegion(),QWidget::DrawChildren );// draw the widgets, not the background
// debug
if(index.row()==0 && index.column()==0)
{
QFile file("yourFile.png");
file.open(QIODevice::WriteOnly);
pixmap.save(&file, "PNG");
std::cerr << "Saved pxmap to png" << std::endl;
}
std::cerr << "option.rect = " << option.rect.width() << "x" << option.rect.height() << ". fm.height()=" << QFontMetricsF(option.font).height() << std::endl;
painter->drawPixmap(option.rect.topLeft(),
pixmap.scaled(option.rect.width(),option.rect.width()*w.height()/(float)w.width(),Qt::IgnoreAspectRatio,Qt::SmoothTransformation));
}
QSize ChannelPostDelegate::sizeHint(const QStyleOptionViewItem& option, const QModelIndex& index) const
{
RsGxsChannelPost post = index.data(Qt::UserRole).value<RsGxsChannelPost>() ;
// This is the only place where we actually set the size of cells
QFontMetricsF fm(option.font);
return QSize(COLUMN_SIZE_FONT_FACTOR_W*fm.height(),COLUMN_SIZE_FONT_FACTOR_H*fm.height());
#ifdef TODO
//QPixmap thumbnail;
//GxsIdDetails::loadPixmapFromData(post.mThumbnail.mData, post.mThumbnail.mSize, thumbnail,GxsIdDetails::ORIGINAL);
@ -140,6 +220,7 @@ QSize ChannelPostDelegate::sizeHint(const QStyleOptionViewItem& option, const QM
int w = fm.width("X") ;
return QSize(W+IMAGE_MARGIN_FACTOR*w,H + 2*h);
#endif
}
QWidget *ChannelPostFilesDelegate::createEditor(QWidget *parent, const QStyleOptionViewItem &option, const QModelIndex& index) const
@ -266,20 +347,13 @@ GxsChannelPostsWidgetWithModel::GxsChannelPostsWidgetWithModel(const RsGxsGroupI
connect(ui->postsTree->selectionModel(),SIGNAL(selectionChanged(const QItemSelection&,const QItemSelection&)),this,SLOT(showPostDetails()));
QFontMetricsF fm(font());
for(int i=0;i<mChannelPostsModel->columnCount();++i)
ui->postsTree->setColumnWidth(i,COLUMN_SIZE_FONT_FACTOR_W*fm.height());
/* Setup UI helper */
//mStateHelper->addWidget(mTokenTypeAllPosts, ui->progressBar, UISTATE_LOADING_VISIBLE);
//mStateHelper->addWidget(mTokenTypeAllPosts, ui->loadingLabel, UISTATE_LOADING_VISIBLE);
//mStateHelper->addWidget(mTokenTypeAllPosts, ui->filterLineEdit);
//mStateHelper->addWidget(mTokenTypePosts, ui->loadingLabel, UISTATE_LOADING_VISIBLE);
//mStateHelper->addLoadPlaceholder(mTokenTypeGroupData, ui->nameLabel);
//mStateHelper->addWidget(mTokenTypeGroupData, ui->postButton);
//mStateHelper->addWidget(mTokenTypeGroupData, ui->logoLabel);
//mStateHelper->addWidget(mTokenTypeGroupData, ui->subscribeToolButton);
/* Connect signals */
connect(ui->postButton, SIGNAL(clicked()), this, SLOT(createMsg()));
connect(ui->subscribeToolButton, SIGNAL(subscribe(bool)), this, SLOT(subscribeGroup(bool)));

1
retroshare-gui/src/gui/gxschannels/GxsChannelPostsWidgetWithModel.h
View File

@ -155,7 +155,6 @@ private:
RsGxsChannelPostsModel *mChannelPostsModel;
RsGxsChannelPostFilesModel *mChannelPostFilesModel;
UIStateHelper *mStateHelper;
/* UI - from Designer */
Ui::GxsChannelPostsWidgetWithModel *ui;

3
retroshare-gui/src/gui/gxschannels/GxsChannelPostsWidgetWithModel.ui
View File

@ -419,6 +419,9 @@ p, li { white-space: pre-wrap; }
<property name="selectionBehavior">
<enum>QAbstractItemView::SelectItems</enum>
</property>
<property name="textElideMode">
<enum>Qt::ElideNone</enum>
</property>
<property name="indentation">
<number>0</number>
</property>