Wed, 01 Jan 2014 00:25:01 +0200
- updated copyright year. Best wishes for 2014!
/* * LDForge: LDraw parts authoring CAD * Copyright (C) 2013, 2014 Santeri Piippo * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ #ifndef LDFORGE_MESSAGELOG_H #define LDFORGE_MESSAGELOG_H #include <QObject> #include <QDate> #include "main.h" #include "types.h" class GLRenderer; class QTimer; /* The message manager is an object which keeps track of messages that appear * on the renderer's screen. Each line is contained in a separate object which * contains the text, expiry time and alpha. The message manager is doubly * linked to its corresponding renderer. * * Message manager calls its tick() function regularly to update the messages, * where each line's expiry is checked for. Lines begin to fade out when nearing * their expiry. If the message manager's lines change, the renderer undergoes * repainting. */ class MessageManager : public QObject { Q_OBJECT PROPERTY (public, GLRenderer*, Renderer, NO_OPS, STOCK_WRITE) public: // Single line of the message log. class Line { public: Line (str text); bool update (bool& changed); str text; float alpha; QDateTime expiry; }; explicit MessageManager (QObject* parent = 0); void addLine (str line); const QList<Line>& getLines() const; private: QList<Line> m_lines; QTimer* m_ticker; private slots: void tick(); }; #endif // LDFORGE_MESSAGELOG_H