1 files changed, 133 insertions, 0 deletions
diff --git a/SQLiteStudio3/guiSQLiteStudio/completer/completeritemdelegate.cpp b/SQLiteStudio3/guiSQLiteStudio/completer/completeritemdelegate.cpp
new file mode 100644
index 0000000..bda3040
--- /dev/null
+++ b/SQLiteStudio3/guiSQLiteStudio/completer/completeritemdelegate.cpp
@@ -0,0 +1,133 @@
+#include "completeritemdelegate.h"
+#include "completermodel.h"
+#include <QPainter>
+#include <QIcon>
+#include <QApplication>
+#include <QVariant>
+#include <QDebug>
+
+/*
+ * Some of the code in this file comes from Qt5.1, from qcommonstyle.cpp.
+ * It uses similar (but different) routines as Qt does for drawing CE_ItemViewItem.
+ */
+
+CompleterItemDelegate::CompleterItemDelegate(QObject *parent) :
+    QStyledItemDelegate(parent)
+{
+}
+
+void CompleterItemDelegate::paint(QPainter* painter, const QStyleOptionViewItem& option, const QModelIndex& index) const
+{
+    QStyleOptionViewItem opt = option;
+    initStyleOption(&opt, index);
+
+    QApplication::style()->drawPrimitive(QStyle::PE_PanelItemViewItem, &opt, painter, opt.widget);
+
+    paintIcon(painter, opt, index);
+    paintText(painter, opt, index);
+}
+
+QSize CompleterItemDelegate::sizeHint(const QStyleOptionViewItem& option, const QModelIndex& index) const
+{
+    QSize size = QStyledItemDelegate::sizeHint(option, index);
+    if (size.height() < 18)
+        size.setHeight(18); // at least 1 pixel larger than icons
+
+    return size;
+}
+
+void CompleterItemDelegate::paintIcon(QPainter* painter, const QStyleOptionViewItem& option, const QModelIndex& index) const
+{
+    QIcon icon = index.data(Qt::DecorationRole).value<QIcon>();
+    QSize iconSize = icon.availableSizes()[0];
+
+    QIcon::Mode mode = QIcon::Normal;
+    if (!(option.state & QStyle::State_Enabled))
+        mode = QIcon::Disabled;
+    else if (option.state & QStyle::State_Selected)
+        mode = QIcon::Selected;
+
+    QRect iconRect = option.rect;
+    iconRect.setSize(iconSize + QSize(spacer*2, spacer*2));
+    iconRect.setTopLeft(iconRect.topLeft() + QPoint(spacer, spacer));
+
+    QIcon::State state = option.state & QStyle::State_Open ? QIcon::On : QIcon::Off;
+    icon.paint(painter, iconRect, option.decorationAlignment, mode, state);
+}
+
+void CompleterItemDelegate::paintText(QPainter* painter, const QStyleOptionViewItem& option, const QModelIndex& index) const
+{
+    painter->save();
+
+    // Colors
+    QPalette::ColorGroup cg = option.state & QStyle::State_Enabled ? QPalette::Normal : QPalette::Disabled;
+    if (cg == QPalette::Normal && !(option.state & QStyle::State_Active))
+        cg = QPalette::Inactive;
+
+    QColor prefixColor = option.palette.color(cg, QPalette::Dark);
+    QColor valueColor = option.palette.color(cg, QPalette::Text);
+    QColor labelColor = option.palette.color(cg, QPalette::Link);
+    if (option.state & QStyle::State_Selected)
+    {
+#ifdef Q_OS_WIN32
+        prefixColor = option.palette.color(cg, QPalette::Text);
+        valueColor = option.palette.color(cg, QPalette::Text);
+        labelColor = option.palette.color(cg, QPalette::Text);
+#else
+        prefixColor = option.palette.color(cg, QPalette::HighlightedText);
+        valueColor = option.palette.color(cg, QPalette::HighlightedText);
+        labelColor = option.palette.color(cg, QPalette::HighlightedText);
+#endif
+    }
+
+    // Using ascent() to measure usual height of the font, excluding anything below baseline.
+    int x = option.rect.x() + 20;
+    int y = option.rect.y() + option.rect.height() / 2 + option.fontMetrics.ascent() / 2 - spacer;
+
+    painter->setFont(option.font);
+
+    // Getting all data to be painted
+    QString prefixValue = index.data(CompleterModel::PREFIX).toString();
+    QString value = index.data(CompleterModel::VALUE).toString();
+    QString label = index.data(CompleterModel::LABEL).toString();
+
+    // Drawing prefix, value and label
+    painter->setPen(prefixColor);
+    paintPrefix(painter, option.fontMetrics, x, y, prefixValue);
+
+    painter->setPen(valueColor);
+    paintValue(painter, option.fontMetrics, x, y, value);
+
+    painter->setPen(labelColor);
+    paintLabel(painter, x, y, label, value.isEmpty());
+
+    painter->restore();
+}
+
+void CompleterItemDelegate::paintPrefix(QPainter* painter, const QFontMetrics& metrics, int& x, int y, const QString& text) const
+{
+    if (text.isNull())
+        return;
+
+    QString value = text + ".";
+    painter->drawText(QPoint(x, y), value);
+    x += metrics.width(value);
+}
+
+void CompleterItemDelegate::paintValue(QPainter* painter, const QFontMetrics& metrics, int& x, int y, const QString& text) const
+{
+    painter->drawText(QPoint(x, y), text);
+    x += metrics.width(text);
+}
+
+void CompleterItemDelegate::paintLabel(QPainter* painter, int& x, int y, const QString& text, bool emptyValue) const
+{
+    if (text.isNull())
+        return;
+
+    if (!emptyValue) //if the value was empty, there's no reason to move te label right
+        x += 10;
+
+    QString label = "(" + text + ")";
+    painter->drawText(QPoint(x, y), label);
+}