comparison: src/MessageLog.cc
src/MessageLog.cc
- changeset 639
- 851634b85893
- parent 633
- 34d18b9c2cab
- child 642
- 751a8df42842
equal
deleted
inserted
replaced
| 638:382226e40865 | 639:851634b85893 |
|---|---|
| 25 static const int g_maxMessages = 5; | 25 static const int g_maxMessages = 5; |
| 26 static const int g_expiry = 5; | 26 static const int g_expiry = 5; |
| 27 static const int g_fadeTime = 500; // msecs | 27 static const int g_fadeTime = 500; // msecs |
| 28 | 28 |
| 29 // ============================================================================= | 29 // ============================================================================= |
| 30 // ----------------------------------------------------------------------------- | 30 // |
| 31 MessageManager::MessageManager (QObject* parent) : | 31 MessageManager::MessageManager (QObject* parent) : |
| 32 QObject (parent) | 32 QObject (parent) |
| 33 { | 33 { |
| 34 m_ticker = new QTimer; | 34 m_ticker = new QTimer; |
| 35 m_ticker->start (100); | 35 m_ticker->start (100); |
| 36 connect (m_ticker, SIGNAL (timeout()), this, SLOT (tick())); | 36 connect (m_ticker, SIGNAL (timeout()), this, SLOT (tick())); |
| 37 } | 37 } |
| 38 | 38 |
| 39 // ============================================================================= | 39 // ============================================================================= |
| 40 // ----------------------------------------------------------------------------- | 40 // |
| 41 MessageManager::Line::Line (QString text) : | 41 MessageManager::Line::Line (QString text) : |
| 42 text (text), | 42 text (text), |
| 43 alpha (1.0f), | 43 alpha (1.0f), |
| 44 expiry (QDateTime::currentDateTime().addSecs (g_expiry)) {} | 44 expiry (QDateTime::currentDateTime().addSecs (g_expiry)) {} |
| 45 | 45 |
| 46 // ============================================================================= | 46 // ============================================================================= |
| 47 // Check this line's expiry and update alpha accordingly. Returns true if the | 47 // Check this line's expiry and update alpha accordingly. Returns true if the |
| 48 // line is to still stick around, false if it expired. 'changed' is updated to | 48 // line is to still stick around, false if it expired. 'changed' is updated to |
| 49 // whether the line has somehow changed since the last update. | 49 // whether the line has somehow changed since the last update. |
| 50 // ----------------------------------------------------------------------------- | 50 // |
| 51 bool MessageManager::Line::update (bool& changed) | 51 bool MessageManager::Line::update (bool& changed) |
| 52 { | 52 { |
| 53 changed = false; | 53 changed = false; |
| 54 QDateTime now = QDateTime::currentDateTime(); | 54 QDateTime now = QDateTime::currentDateTime(); |
| 55 int msec = now.msecsTo (expiry); | 55 int msec = now.msecsTo (expiry); |
| 71 return true; | 71 return true; |
| 72 } | 72 } |
| 73 | 73 |
| 74 // ============================================================================= | 74 // ============================================================================= |
| 75 // Add a line to the message manager. | 75 // Add a line to the message manager. |
| 76 // ----------------------------------------------------------------------------- | 76 // |
| 77 void MessageManager::addLine (QString line) | 77 void MessageManager::addLine (QString line) |
| 78 { | 78 { |
| 79 // If there's too many entries, pop the excess out | 79 // If there's too many entries, pop the excess out |
| 80 while (m_lines.size() >= g_maxMessages) | 80 while (m_lines.size() >= g_maxMessages) |
| 81 m_lines.removeFirst(); | 81 m_lines.removeFirst(); |
| 88 } | 88 } |
| 89 | 89 |
| 90 // ============================================================================= | 90 // ============================================================================= |
| 91 // Ticks the message manager. All lines are ticked and the renderer scene is | 91 // Ticks the message manager. All lines are ticked and the renderer scene is |
| 92 // redrawn if something changed. | 92 // redrawn if something changed. |
| 93 // ----------------------------------------------------------------------------- | 93 // |
| 94 void MessageManager::tick() | 94 void MessageManager::tick() |
| 95 { | 95 { |
| 96 if (m_lines.isEmpty()) | 96 if (m_lines.isEmpty()) |
| 97 return; | 97 return; |
| 98 | 98 |
| 111 if (changed && getRenderer()) | 111 if (changed && getRenderer()) |
| 112 getRenderer()->update(); | 112 getRenderer()->update(); |
| 113 } | 113 } |
| 114 | 114 |
| 115 // ============================================================================= | 115 // ============================================================================= |
| 116 // ----------------------------------------------------------------------------- | 116 // |
| 117 const QList<MessageManager::Line>& MessageManager::getLines() const | 117 const QList<MessageManager::Line>& MessageManager::getLines() const |
| 118 { | 118 { |
| 119 return m_lines; | 119 return m_lines; |
| 120 } | 120 } |
| 121 | 121 |
| 122 // ============================================================================= | 122 // ============================================================================= |
| 123 // log() interface - format the argument list and add the resulting string to | 123 // log() interface - format the argument list and add the resulting string to |
| 124 // the main message manager. | 124 // the main message manager. |
| 125 // ----------------------------------------------------------------------------- | 125 // |
| 126 void DoLog (std::initializer_list<StringFormatArg> args) | 126 void DoLog (std::initializer_list<StringFormatArg> args) |
| 127 { | 127 { |
| 128 const QString msg = DoFormat (args); | 128 const QString msg = DoFormat (args); |
| 129 | 129 |
| 130 for (QString& a : msg.split ("\n", QString::SkipEmptyParts)) | 130 for (QString& a : msg.split ("\n", QString::SkipEmptyParts)) |
