comparison: src/MessageLog.h
src/MessageLog.h
- changeset 629
- b75c6cce02e2
- child 641
- 425b169a82aa
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| 628:6b13e4c2e97b | 629:b75c6cce02e2 |
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| 1 /* | |
| 2 * LDForge: LDraw parts authoring CAD | |
| 3 * Copyright (C) 2013, 2014 Santeri Piippo | |
| 4 * | |
| 5 * This program is free software: you can redistribute it and/or modify | |
| 6 * it under the terms of the GNU General Public License as published by | |
| 7 * the Free Software Foundation, either version 3 of the License, or | |
| 8 * (at your option) any later version. | |
| 9 * | |
| 10 * This program is distributed in the hope that it will be useful, | |
| 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 13 * GNU General Public License for more details. | |
| 14 * | |
| 15 * You should have received a copy of the GNU General Public License | |
| 16 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 17 */ | |
| 18 | |
| 19 #ifndef LDFORGE_MESSAGELOG_H | |
| 20 #define LDFORGE_MESSAGELOG_H | |
| 21 | |
| 22 #include <QObject> | |
| 23 #include <QDate> | |
| 24 #include "Main.h" | |
| 25 #include "Types.h" | |
| 26 | |
| 27 class GLRenderer; | |
| 28 class QTimer; | |
| 29 | |
| 30 /* The message manager is an object which keeps track of messages that appear | |
| 31 * on the renderer's screen. Each line is contained in a separate object which | |
| 32 * contains the text, expiry time and alpha. The message manager is doubly | |
| 33 * linked to its corresponding renderer. | |
| 34 * | |
| 35 * Message manager calls its tick() function regularly to update the messages, | |
| 36 * where each line's expiry is checked for. Lines begin to fade out when nearing | |
| 37 * their expiry. If the message manager's lines change, the renderer undergoes | |
| 38 * repainting. | |
| 39 */ | |
| 40 class MessageManager : public QObject | |
| 41 { | |
| 42 Q_OBJECT | |
| 43 PROPERTY (public, GLRenderer*, Renderer, NO_OPS, STOCK_WRITE) | |
| 44 | |
| 45 public: | |
| 46 // Single line of the message log. | |
| 47 class Line | |
| 48 { | |
| 49 public: | |
| 50 Line (QString text); | |
| 51 bool update (bool& changed); | |
| 52 | |
| 53 QString text; | |
| 54 float alpha; | |
| 55 QDateTime expiry; | |
| 56 }; | |
| 57 | |
| 58 explicit MessageManager (QObject* parent = 0); | |
| 59 void addLine (QString line); | |
| 60 const QList<Line>& getLines() const; | |
| 61 | |
| 62 private: | |
| 63 QList<Line> m_lines; | |
| 64 QTimer* m_ticker; | |
| 65 | |
| 66 private slots: | |
| 67 void tick(); | |
| 68 }; | |
| 69 | |
| 70 #endif // LDFORGE_MESSAGELOG_H |
