Can use the parameter list in the query window now.

Still requires extensive testing for all possible types.

src/QueryTab.h

@@ -16,6 +16,8 @@ namespace Ui {
 	class QueryTab;
 }
 
+class QTableView;
+
 class QTabWidget;
 class MainWindow;
 class SqlSyntaxHighlighter;
@@ -23,14 +25,29 @@ class ExplainRoot;
 class QueryResultModel;
 class QueryExplainModel;
 class PgTypeContainer;
+class OpenDatabase;
 
-
-class QueryTab : public QWidget
-{
+class QueryParamListController : public QObject {
 	Q_OBJECT
-
 public:
-	QueryTab(MainWindow *win, QWidget *parent = 0);
+	QueryParamListController(QTableView *tv, OpenDatabase *opendb, QWidget *parent);
+
+	Pgsql::Params params() const;
+public slots:
+	void on_addParam();
+	void on_removeParam();
+private:
+	QTableView *paramTableView;
+	OpenDatabase *m_openDatabase;
+	ParamListModel m_paramList;
+	ParamTypeDelegate m_typeDelegate;
+};
+
+
+class QueryTab : public QWidget {
+	Q_OBJECT
+public:
+	QueryTab(MainWindow *win, QWidget *parent = nullptr);
 	~QueryTab();
 
 	void setConfig(const ConnectionConfig &config);
@@ -70,8 +87,8 @@ private:
 	SqlSyntaxHighlighter* highlighter;
 	ConnectionConfig m_config;
 	StopWatch m_stopwatch;
-	ParamListModel m_paramList;
-	ParamTypeDelegate m_typeDelegate;
+
+	QueryParamListController *m_queryParamListController = nullptr;
 
 	QString m_fileName; ///< use setFileName function to set
 	bool m_queryTextChanged = false;