Paint the headers nicer.

gui/groupview/Group.cpp

@@ -58,37 +58,53 @@ Group::HitResults Group::hitScan(const QPoint &pos) const
 	return results;
 }
 
-void Group::drawHeader(QPainter *painter, const int y)
+void Group::drawHeader(QPainter *painter, const QStyleOptionViewItem &option, const int y)
 {
+	QStyleOptionViewItemV4 opt = option;
 	painter->save();
 
-	int height = headerHeight() - 4;
-	int collapseSize = height;
-
-	// the icon
-	QRect iconRect = QRect(view->m_leftMargin + 2, 2 + y, collapseSize, collapseSize);
-	painter->setPen(QPen(Qt::black, 1));
-	painter->drawRect(iconRect);
 	static const int margin = 2;
+	static const int spacing = 10;
+	int height = headerHeight();
+	int text_height = height - 2 * margin;
+
+	// set the text colors
+	QPalette::ColorGroup cg = QPalette::Normal;
+	painter->setPen(opt.palette.color(cg, QPalette::Text));
+
+	// set up geometry
+	QRect iconRect = QRect(view->m_leftMargin + margin, y + margin, text_height - 1, text_height - 1);
 	QRect iconSubrect = iconRect.adjusted(margin, margin, -margin, -margin);
+	QRect smallRect = iconSubrect.adjusted(margin, margin, -margin, -margin);
 	int midX = iconSubrect.center().x();
 	int midY = iconSubrect.center().y();
+
+	// checkboxy thingy
+	{
+		painter->drawRect(iconSubrect);
+
+		painter->setBrush(opt.palette.text());
+		painter->drawRect(smallRect.x(), midY, smallRect.width(), 2);
 		if(collapsed)
 		{
-		painter->drawLine(midX, iconSubrect.top(), midX, iconSubrect.bottom());
+			painter->drawRect(midX, smallRect.y(), 2, smallRect.height());
+		}
 	}
-	painter->drawLine(iconSubrect.left(), midY, iconSubrect.right(), midY);
 
+	int x_left = iconRect.right();
+
+	if(text.length())
+	{
 		// the text
-	int textWidth = painter->fontMetrics().width(text);
-	QRect textRect = QRect(iconRect.right() + 4, y, textWidth, headerHeight());
-	painter->setBrush(view->viewOptions().palette.text());
+		int text_width = painter->fontMetrics().width(text);
+		QRect textRect = QRect(x_left + spacing, y + margin, text_width, text_height);
+		x_left = textRect.right();
 		view->style()->drawItemText(painter, textRect, Qt::AlignHCenter | Qt::AlignVCenter,
-								view->viewport()->palette(), true, text);
-
+									opt.palette, true, text);
+	}
 	// the line
-	painter->drawLine(textRect.right() + 4, y + headerHeight() / 2,
-					  view->contentWidth() - view->m_rightMargin, y + headerHeight() / 2);
+	painter->drawLine(x_left + spacing, midY + 1, view->contentWidth() - view->m_rightMargin,
+					  midY + 1);
 
 	painter->restore();
 }
@@ -100,7 +116,11 @@ int Group::totalHeight() const
 
 int Group::headerHeight() const
 {
-	return view->viewport()->fontMetrics().height() + 4;
+	int raw = view->viewport()->fontMetrics().height() + 4;
+	// add english. maybe. depends on font height.
+	if(raw % 2 == 0)
+		raw++;
+	return std::min( raw , 25 );
 }
 
 int Group::contentHeight() const

gui/groupview/Group.h

@@ -3,6 +3,7 @@
 #include <QString>
 #include <QRect>
 #include <QVector>
+#include <QStyleOption>
 
 class GroupView;
 class QPainter;
@@ -26,7 +27,7 @@ struct Group
 	void update();
 
 	/// draw the header at y-position.
-	void drawHeader(QPainter *painter, const int y);
+	void drawHeader(QPainter *painter, const QStyleOptionViewItem &option, const int y);
 
 	/// height of the group, in total. includes a small bit of padding.
 	int totalHeight() const;

gui/groupview/GroupView.cpp

@@ -206,7 +206,7 @@ int GroupView::categoryRowHeight(const QModelIndex &index) const
 		largestHeight =
 			qMax(largestHeight, itemDelegate()->sizeHint(viewOptions(), i).height());
 	}
-	return largestHeight;
+	return largestHeight + m_spacing;
 }
 
 QPair<int, int> GroupView::categoryInternalPosition(const QModelIndex &index) const
@@ -423,11 +423,14 @@ void GroupView::paintEvent(QPaintEvent *event)
 {
 	QPainter painter(this->viewport());
 
+	QStyleOptionViewItemV4 option(viewOptions());
+	option.widget = this;
+
 	int y = -verticalOffset();
 	for (int i = 0; i < m_groups.size(); ++i)
 	{
 		Group *category = m_groups.at(i);
-		category->drawHeader(&painter, y);
+		category->drawHeader(&painter, option, y);
 		y += category->totalHeight() + m_categoryMargin;
 	}
 
@@ -439,9 +442,7 @@ void GroupView::paintEvent(QPaintEvent *event)
 			continue;
 		}
 		Qt::ItemFlags flags = index.flags();
-		QStyleOptionViewItemV4 option(viewOptions());
 		option.rect = visualRect(index);
-		option.widget = this;
 		option.features |=
 			QStyleOptionViewItemV2::WrapText; // FIXME: what is the meaning of this anyway?
 		if (flags & Qt::ItemIsSelectable && selectionModel()->isSelected(index))