// Handle size changes. Set the contained controls extents. Called by framework
void CMessageListBox::SizeChanged()
{
innerRect = Border().InnerRect(Rect());
// Application Title rect. Fills the controls top area
TSize titleSize(innerRect.Width(), iAppTitle->MinimumSize().iHeight);
TRect titleRect(innerRect.iTl, titleSize);
iAppTitle->SetRect(titleRect);
// List box size and rect. Fills the remaining area
TSize listBoxSize(innerRect.Width(), innerRect.Height() -
iAppTitle->MinimumSize().iHeight);
TRect listBoxRect(TPoint(titleRect.iTl.iX, titleRect.iBr.iY+1),
listBoxSize);
iListbox->SetRect(listBoxRect);
}
void LegendItem::paint(QPainter *painter) {
if (!isVisible()) {
return;
}
RelationList legendItems;
if (_auto) {
legendItems = plot()->renderItem(PlotRenderItem::Cartesian)->relationList();
} else {
legendItems = _relations;
}
int count = legendItems.count();
if (count <= 0) { // no legend or box if there are no legend items
return;
}
QFont font(_font);
font.setPointSizeF(view()->scaledFontSize(_fontScale, *painter->device()));
painter->setFont(font);
// generate string list of relation names
QStringList names;
bool allAuto = true;
bool sameX = true;
bool sameYUnits = true;
LabelInfo label_info = legendItems.at(0)->xLabelInfo();
QString yUnits = legendItems.at(0)->yLabelInfo().units;
for (int i = 0; i<count; i++) {
RelationPtr relation = legendItems.at(i);
if (relation->descriptiveNameIsManual()) {
allAuto = false;
}
if (relation->xLabelInfo() != label_info) {
sameX = false;
}
// sameYUnits is false if any non empty units are defined differently.
if (yUnits.isEmpty()) {
yUnits = relation->yLabelInfo().units;
} else if (relation->yLabelInfo().units != yUnits) {
if (!relation->yLabelInfo().units.isEmpty()) {
sameYUnits = false;
}
}
}
if (!allAuto) {
for (int i = 0; i<count; i++) {
names.append(legendItems.at(i)->descriptiveName());
}
} else {
for (int i = 0; i<count; i++) {
RelationPtr relation = legendItems.at(i);
QString label = relation->titleInfo().singleRenderItemLabel();
if (label.isEmpty()) {
label_info = relation->yLabelInfo();
QString y_label = label_info.name;
if (!sameYUnits) {
if (!label_info.units.isEmpty()) {
y_label = tr("%1 \\[%2\\]", "axis labels. %1 is quantity, %2 is units. eg Time [s]. '[' must be escaped.").arg(y_label).arg(label_info.units);
}
}
if (!y_label.isEmpty()) {
LabelInfo xlabel_info = relation->xLabelInfo();
if (!sameX) {
label = tr("%1 vs %2", "describes a plot. %1 is X axis. %2 is Y axis").arg(y_label).arg(xlabel_info.name);
} else if (xlabel_info.quantity.isEmpty()) {
label = y_label;
} else if (xlabel_info.quantity != xlabel_info.name) {
label = tr("%1 vs %2", "describes a plot. %1 is X axis. %2 is Y axis").arg(y_label).arg(xlabel_info.name);
} else {
label = y_label;
}
} else {
label = relation->descriptiveName();
}
}
int i_dup = names.indexOf(label);
if (i_dup<0) {
names.append(label);
} else {
RelationPtr dup_relation = legendItems.at(i_dup);
if (!dup_relation->yLabelInfo().file.isEmpty()) {
names.replace(i_dup, label + " (" + dup_relation->yLabelInfo().escapedFile() + ')');
}
if (!relation->yLabelInfo().file.isEmpty()) {
names.append(label + " (" + relation->yLabelInfo().escapedFile() + ')');
}
}
}
}
QSize legendSize(0, 0);
QSize titleSize(0,0);
Label::Parsed *parsed = Label::parse(_title);
int pad = painter->fontMetrics().ascent()/4;
Label::RenderContext rc(painter->font(), painter);
Label::renderLabel(rc, parsed->chunk, false, false);
if (!_title.isEmpty()) {
titleSize.setWidth(rc.x+3*pad);
titleSize.setHeight(painter->fontMetrics().height()+pad);
}
QList<QSize> sizes;
int max_w = 0;
int max_h = 0;
for (int i = 0; i<count; i++) {
RelationPtr relation = legendItems.at(i);
QSize size;
painter->save();
size = paintRelation(names.at(i), relation, painter, false);
painter->restore();
sizes.append(size);
max_w = qMax(max_w, size.width());
max_h = qMax(max_h, size.height());
}
// determine number of rows and number of columns
int n_rows = 0;
int n_cols = 0;
if (_verticalDisplay) {
int h=titleSize.height();
for (int i = 0; i<count; i++) {
h+=sizes.at(i).height();
}
int max_legend_height = _plotItem->plotRect().height()*0.6+1;
n_cols = qMin(count, h / max_legend_height + 1);
n_rows = count / n_cols;
while (n_rows*n_cols<count) {
n_rows++;
}
} else {
int w = 0;
for (int i = 0; i<count; i++) {
w+=sizes.at(i).width();
}
int max_legend_width = _plotItem->plotRect().width()*0.8+1;
n_rows = qMin(count, w / max_legend_width+1);
n_cols = count/n_rows;
while (n_rows*n_cols<count) {
n_cols++;
}
}
// determine the dimensions of each column
QList<QSize> col_sizes;
for (int i=0; i<n_cols; i++) {
col_sizes.append(QSize(0,0));
}
for (int i = 0; i<count; i++) {
int col = i/n_rows;
col_sizes[col].rheight()+= sizes.at(i).height();
col_sizes[col].setWidth(qMax(sizes.at(i).width(), col_sizes.at(col).width()));
}
// determine the dimensions of the legend
int w = 0;
int h = 0;
for (int col = 0; col < n_cols; col++) {
w += col_sizes.at(col).width();
h = qMax(h, col_sizes.at(col).height());
}
legendSize.setHeight(h + titleSize.height());
legendSize.setWidth(qMax(titleSize.width(), w));
setViewRect(rect().x(), rect().y(), legendSize.width()+pad, legendSize.height()+pad);
// Now paint everything
painter->drawRect(rect());
int x=rect().x();
int y=rect().y();
if (!_title.isEmpty()) {
rc.y = rect().y() + titleSize.height()-pad;
rc.x = qMax(rect().x()+pad, rect().x() + legendSize.width()/2 - titleSize.width()/2);
Label::renderLabel(rc, parsed->chunk, false, true);
y+= titleSize.height();
}
legendSize.setWidth(0);
legendSize.setHeight(0);
for (int i = 0; i<count; i++) {
RelationPtr relation = legendItems.at(i);
painter->save();
painter->translate(x,y);
paintRelation(names.at(i), relation, painter, true);
painter->restore();
int col = i/n_rows;
int row = i%n_rows;
if (row == n_rows-1) { // end of a column
x += col_sizes.at(col).width();
y = rect().y() + titleSize.height();
} else {
y += sizes.at(i).height();
}
}
delete parsed;
}
void KonqComboItemDelegate::paint( QPainter *painter, const QStyleOptionViewItem &option,
const QModelIndex &index ) const
{
QIcon icon = qvariant_cast<QIcon>( index.data( Qt::DecorationRole ) );
QString url = index.data( Qt::DisplayRole ).toString();
QString title = index.data( Qt::UserRole ).toString();
QIcon::Mode mode = option.state & QStyle::State_Enabled ? QIcon::Normal : QIcon::Disabled;
const QSize size = icon.actualSize( option.decorationSize, mode );
QPixmap pixmap = icon.pixmap( size, mode );
QStyleOptionViewItemV3 opt( option );
painter->save();
// Draw the item background
// ### When Qt 4.4 is released we need to change this code to draw the background
// by calling QStyle::drawPrimitive() with PE_PanelItemViewRow.
if ( opt.state & QStyle::State_Selected ) {
painter->fillRect( option.rect, option.palette.brush( QPalette::Highlight ) );
painter->setPen( QPen( option.palette.brush( QPalette::HighlightedText ), 0 ) );
}
int hMargin = QApplication::style()->pixelMetric( QStyle::PM_FocusFrameHMargin );
int vMargin = QApplication::style()->pixelMetric( QStyle::PM_FocusFrameVMargin );
const QRect bounding = option.rect.adjusted( hMargin, vMargin, -hMargin, -vMargin );
const QSize textSize( bounding.width() - pixmap.width() - 2, bounding.height() );
const QRect pixmapRect = QStyle::alignedRect( option.direction, Qt::AlignLeft | Qt::AlignVCenter,
pixmap.size(), bounding );
const QRect textRect = QStyle::alignedRect( option.direction, Qt::AlignRight, textSize, bounding );
if ( !pixmap.isNull() )
painter->drawPixmap( pixmapRect.topLeft(), pixmap );
QSize titleSize( ( bounding.width() / 3 ) - 1, textRect.height() );
if (title.isEmpty()) {
// Don't truncate the urls when there is no title to show (e.g. local files)
// Ideally we would do this globally for all items - reserve space for a title for all, or for none
titleSize = QSize();
}
const QSize urlSize( textRect.width() - titleSize.width() - 2, textRect.height() );
const QRect titleRect = QStyle::alignedRect( option.direction, Qt::AlignRight, titleSize, textRect );
const QRect urlRect = QStyle::alignedRect( option.direction, Qt::AlignLeft, urlSize, textRect );
if ( !url.isEmpty() ) {
QString squeezedText = option.fontMetrics.elidedText( url, Qt::ElideMiddle, urlRect.width() );
painter->drawText( urlRect, Qt::AlignLeft | Qt::AlignVCenter, squeezedText );
}
if ( !title.isEmpty() ) {
QString squeezedText = option.fontMetrics.elidedText( title, Qt::ElideRight, titleRect.width() );
QFont font = painter->font();
font.setItalic( true );
painter->setFont( font );
QColor color = painter->pen().color();
color.setAlphaF(.75);
painter->setPen(color);
painter->drawText( titleRect, Qt::AlignLeft | Qt::AlignVCenter, squeezedText );
}
painter->restore();
}
