# HG changeset patch
# User Chris Cannam
# Date 1139421556 0
# Node ID 9f55af9676b4dc3854e3a941d4e90900b737151c
# Parent  202d1dca67d2f47ef3cb190ea75c26dfd1949daf
* Add ffwd/rewind
* Abstract out MultiSelection

diff -r 202d1dca67d2 -r 9f55af9676b4 layer/SpectrogramLayer.cpp
--- a/layer/SpectrogramLayer.cpp	Mon Feb 06 17:24:52 2006 +0000
+++ b/layer/SpectrogramLayer.cpp	Wed Feb 08 17:59:16 2006 +0000
@@ -49,6 +49,7 @@
     m_fillThread(0),
     m_updateTimer(0),
     m_lastFillExtent(0),
+    m_dormant(false),
     m_exiting(false)
 {
     if (config == MelodicRange) {
@@ -594,6 +595,19 @@
 }
 
 void
+SpectrogramLayer::setLayerDormant()
+{
+    m_mutex.lock();
+    m_dormant = true;
+    delete m_cache;
+    m_cache = 0;
+    m_pixmapCacheInvalid = true;
+    delete m_pixmapCache;
+    m_pixmapCache = 0;
+    m_mutex.unlock();
+}
+
+void
 SpectrogramLayer::cacheInvalid()
 {
     m_cacheInvalid = true;
@@ -866,7 +880,7 @@
 
 //	std::cerr << "SpectrogramLayer::CacheFillThread::run in loop" << std::endl;
 
-	if (m_layer.m_model && m_layer.m_cacheInvalid) {
+	if (m_layer.m_model && m_layer.m_cacheInvalid && !m_layer.m_dormant) {
 
 //	    std::cerr << "SpectrogramLayer::CacheFillThread::run: something to do" << std::endl;
 
@@ -1222,6 +1236,13 @@
 	return;
     }
 
+    if (m_dormant) {
+	std::cerr << "SpectrogramLayer::paint(): Layer is dormant, de-hibernating" << std::endl;
+	m_dormant = false;
+	((SpectrogramLayer *)this)->fillCache();
+	return;
+    }
+
 #ifdef DEBUG_SPECTROGRAM_REPAINT
     std::cerr << "SpectrogramLayer::paint(): About to lock" << std::endl;
 #endif
diff -r 202d1dca67d2 -r 9f55af9676b4 layer/SpectrogramLayer.h
--- a/layer/SpectrogramLayer.h	Mon Feb 06 17:24:52 2006 +0000
+++ b/layer/SpectrogramLayer.h	Wed Feb 08 17:59:16 2006 +0000
@@ -140,6 +140,8 @@
 
     void setProperties(const QXmlAttributes &attributes);
 
+    void setLayerDormant();
+
 protected slots:
     void cacheInvalid();
     void cacheInvalid(size_t startFrame, size_t endFrame);
@@ -193,6 +195,7 @@
     QTimer *m_updateTimer;
     size_t m_lastFillExtent;
     bool m_cachedInitialVisibleArea;
+    mutable bool m_dormant;
     bool m_exiting;
 
     void setCacheColourmap();