git-svn-id: svn://db.shs.com.ru/libs@188 a8b55f48-bf90-11e4-a774-851b48703e85

qad/application/historyview.h

@@ -0,0 +1,74 @@
+#ifndef HISTORYVIEW_H
+#define HISTORYVIEW_H
+
+#include <QListWidget>
+#include <QDebug>
+
+
+class HistoryView: public QListWidget
+{
+	Q_OBJECT
+	Q_PROPERTY(bool active READ isActive WRITE setActive)
+	Q_PROPERTY(int limit READ limit WRITE setLimit)
+	Q_PROPERTY(QColor historyColor READ historyColor WRITE setHistoryColor)
+public:
+	explicit HistoryView(QWidget * parent = 0);
+	~HistoryView();
+	
+	bool isActive() const {return active_;}
+	int limit() const {return limit_;}
+	QColor historyColor() const {return color_;}
+	
+	void addEntry(int action, int count = 0, const QString & suffix = QString());
+	void registerAction(int action, const QString & text, const QImage & icon = QImage());
+	
+private:
+	struct Action {
+		Action(int i = -1, const QString & t = QString(), const QImage & c = QImage()): id(i), text(t) {
+			QPixmap px = QPixmap::fromImage(c);
+			icon.addPixmap(px, QIcon::Active);
+			icon.addPixmap(px, QIcon::Disabled);
+			icon.addPixmap(px, QIcon::Normal);
+			icon.addPixmap(px, QIcon::Selected);
+		}
+		int id;
+		QString text;
+		QIcon icon;
+	};
+	struct Entry {
+		Entry(int a = -1, const QByteArray & c = QByteArray()): action(a), command(c) {}
+		int action;
+		QByteArray command;
+	};
+	
+	void checkLimit();
+	QString actionText(int action, int count_);
+	
+	QMap<int, Action> actions_;
+	QVector<Entry> history_;
+	QColor color_;
+	bool active_;
+	int index, limit_;
+	
+public slots:
+	void setActive(bool yes) {active_ = yes;}
+	void setLimit(int l);
+	void setHistoryColor(const QColor & c);
+	void clear(bool silent = false);
+	void undo();
+	void redo();
+	
+private slots:
+	void itemClicked(QListWidgetItem * item);
+	void itemSelectionChanged();
+	
+signals:
+	void undoAvailable(bool);
+	void redoAvailable(bool);
+	void clearAvailable(bool);
+	void commandRequest(QByteArray & s);
+	void commandExecute(const QByteArray & s);
+	
+};
+
+#endif // HISTORYVIEW_H