comparison: src/messageLog.cc
src/messageLog.cc
- changeset 952
- f116b63c4844
- parent 950
- 5df69eb50182
- child 953
- 8349552ee5e9
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| 950:5df69eb50182 | 952:f116b63c4844 |
|---|---|
| 1 /* | |
| 2 * LDForge: LDraw parts authoring CAD | |
| 3 * Copyright (C) 2013, 2014 Teemu 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 #include <QTimer> | |
| 20 #include <QDate> | |
| 21 #include "messageLog.h" | |
| 22 #include "glRenderer.h" | |
| 23 #include "mainWindow.h" | |
| 24 | |
| 25 enum | |
| 26 { | |
| 27 MaxMessages = 5, | |
| 28 ExpireTime = 5000, | |
| 29 FadeTime = 500 | |
| 30 }; | |
| 31 | |
| 32 // ------------------------------------------------------------------------------------------------- | |
| 33 // | |
| 34 MessageManager::MessageManager (QObject* parent) : | |
| 35 QObject (parent) | |
| 36 { | |
| 37 m_ticker = new QTimer; | |
| 38 m_ticker->start (100); | |
| 39 connect (m_ticker, SIGNAL (timeout()), this, SLOT (tick())); | |
| 40 } | |
| 41 | |
| 42 // ------------------------------------------------------------------------------------------------- | |
| 43 // | |
| 44 MessageManager::Line::Line (QString text) : | |
| 45 text (text), | |
| 46 alpha (1.0f), | |
| 47 expiry (QDateTime::currentDateTime().addMSecs (ExpireTime)) {} | |
| 48 | |
| 49 // ------------------------------------------------------------------------------------------------- | |
| 50 // | |
| 51 bool MessageManager::Line::update (bool& changed) | |
| 52 { | |
| 53 changed = false; | |
| 54 QDateTime now = QDateTime::currentDateTime(); | |
| 55 int msec = now.msecsTo (expiry); | |
| 56 | |
| 57 if (now >= expiry) | |
| 58 { | |
| 59 // Message line has expired | |
| 60 changed = true; | |
| 61 return false; | |
| 62 } | |
| 63 | |
| 64 if (msec <= FadeTime) | |
| 65 { | |
| 66 // Message line has not expired but is fading out | |
| 67 alpha = ( (float) msec) / FadeTime; | |
| 68 changed = true; | |
| 69 } | |
| 70 | |
| 71 return true; | |
| 72 } | |
| 73 | |
| 74 // ------------------------------------------------------------------------------------------------- | |
| 75 // | |
| 76 // Add a line to the message manager. | |
| 77 // | |
| 78 void MessageManager::addLine (QString line) | |
| 79 { | |
| 80 // If there's too many entries, pop the excess out | |
| 81 while (m_lines.size() >= MaxMessages) | |
| 82 m_lines.removeFirst(); | |
| 83 | |
| 84 m_lines << Line (line); | |
| 85 | |
| 86 // Update the renderer view | |
| 87 if (renderer()) | |
| 88 renderer()->update(); | |
| 89 } | |
| 90 | |
| 91 // ------------------------------------------------------------------------------------------------- | |
| 92 // | |
| 93 // Ticks the message manager. All lines are ticked and the renderer scene is redrawn if something | |
| 94 // changed. | |
| 95 // | |
| 96 void MessageManager::tick() | |
| 97 { | |
| 98 if (m_lines.isEmpty()) | |
| 99 return; | |
| 100 | |
| 101 bool changed = false; | |
| 102 | |
| 103 for (int i = 0; i < m_lines.size(); ++i) | |
| 104 { | |
| 105 bool lineChanged; | |
| 106 | |
| 107 if (not m_lines[i].update (lineChanged)) | |
| 108 m_lines.removeAt (i--); | |
| 109 | |
| 110 changed |= lineChanged; | |
| 111 } | |
| 112 | |
| 113 if (changed and renderer()) | |
| 114 renderer()->update(); | |
| 115 } | |
| 116 | |
| 117 // ============================================================================= | |
| 118 // | |
| 119 const QList<MessageManager::Line>& MessageManager::getLines() const | |
| 120 { | |
| 121 return m_lines; | |
| 122 } | |
| 123 | |
| 124 // ============================================================================= | |
| 125 // | |
| 126 void PrintToLog (const QString& msg) | |
| 127 { | |
| 128 for (QString& a : msg.split ("\n", QString::SkipEmptyParts)) | |
| 129 { | |
| 130 if (g_win != null) | |
| 131 g_win->addMessage (a); | |
| 132 | |
| 133 // Also print it to stdout | |
| 134 fprint (stdout, "%1\n", a); | |
| 135 } | |
| 136 } |
