eelke/pgLab
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Added list of constraints to the tables page.

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Last column shows the full textual definition until I have decided on
a better way to visualize the details.
This commit is contained in:
eelke 2017-12-30 12:57:55 +01:00
parent 22db22c6b1
commit a99f059b70
27 changed files with 663 additions and 22 deletions
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59
pglab/IconColumnDelegate.cpp Normal file
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#include "IconColumnDelegate.h"
#include <QPainter>
IconColumnDelegate::IconColumnDelegate(QWidget *parent)
: QStyledItemDelegate(parent)
{
}
IconColumnDelegate::~IconColumnDelegate()
{
clearCache();
}
void IconColumnDelegate::paint(QPainter *painter, const QStyleOptionViewItem &option,
const QModelIndex &index) const
{
if (index.data().canConvert<QString>()) {
QString icon_name = qvariant_cast<QString>(index.data());
QIcon* icon = IconColumnDelegate::getIcon(icon_name);
if (icon) {
if (option.state & QStyle::State_Selected)
painter->fillRect(option.rect, option.palette.highlight());
icon->paint(painter, option.rect);
}
else
QStyledItemDelegate::paint(painter, option, index);
} else {
QStyledItemDelegate::paint(painter, option, index);
}
}
QSize IconColumnDelegate::sizeHint(const QStyleOptionViewItem &option,
const QModelIndex &index) const
{
return QSize(16, 16);
}
void IconColumnDelegate::clearCache()
{
for (auto &e : m_Icons)
delete e.
second;
m_Icons.clear();
}
QIcon* IconColumnDelegate::getIcon(const QString &name) const
{
auto fr = m_Icons.find(name);
if (fr == m_Icons.end()) {
// load and insert icon
QIcon *icon = new QIcon(name);
fr = m_Icons.emplace(name, icon).first;
}
return fr->second;
}