use custom progressbars for memory alloc.

- disables the progressbar animation under windows
- use colors indicating free memory space

git-svn-id: http://www.openflipper.org/svnrepo/OpenFlipper/branches/Free@17990 383ad7c9-94d9-4d36-a494-682f7c89f535

Plugin-MemInfo/MemInfo.cc

@@ -111,12 +111,12 @@ void MemInfoPlugin::pluginsInitialized() {
  //   emit log(LOGINFO,"Main Memory monitoring supported, installing main memory monitor into status bar");
 
     mainMemBar_= new QProgressBar();
-    mainMemBar_->setFixedWidth(260);
-    mainMemBar_->setFormat( "Mem %p% %v/%m MB" );
-
-    emit addWidgetToStatusbar(mainMemBar_);
-
-    connect(updateTimer_,SIGNAL(timeout()),this,SLOT(cpuMemoryInfoUpdate()));
+    mainMemBar_->setFixedWidth(260);
+    mainMemBar_->setFormat( "Mem %p% %v/%m MB" );
+
+    emit addWidgetToStatusbar(mainMemBar_);
+
+    connect(updateTimer_,SIGNAL(timeout()),this,SLOT(cpuMemoryInfoUpdate()));
 
     updateTimer_->start(4000);
 
@@ -148,12 +148,13 @@ void MemInfoPlugin::nvidiaMemoryInfoUpdate() {
     // get currently available memory on gpu
     GLint cur_avail_mem_kb = 0;
     glGetIntegerv(GPU_MEMORY_INFO_CURRENT_AVAILABLE_VIDMEM_NVX, &cur_avail_mem_kb);
-
-    gpuMemBar_->setRange(  0 , total_mem_kb/1024 );
-    gpuMemBar_->setValue( (total_mem_kb-cur_avail_mem_kb)/1024);
-  }
-}
-
+
+    gpuMemBar_->setRange(  0 , total_mem_kb/1024 );
+    gpuMemBar_->setValue( (total_mem_kb-cur_avail_mem_kb)/1024);
+    setProgressBarStyleSheet(gpuMemBar_);
+  }
+}
+
 void MemInfoPlugin::cpuMemoryInfoUpdate() {
 
   if (mainMemBar_) {
@@ -188,12 +189,31 @@ void MemInfoPlugin::cpuMemoryInfoUpdate() {
       freeRamMB   = sys_info.freeram   / 1024 / 1024 * sys_info.mem_unit;
       bufferRamMB = sys_info.bufferram / 1024 / 1024 * sys_info.mem_unit; // Buffers get freed, if we don't have enough free ram
     #endif
+
+    mainMemBar_->setRange(  0 , totalRamMB  );
+    mainMemBar_->setValue( totalRamMB-freeRamMB-bufferRamMB);
+    setProgressBarStyleSheet(mainMemBar_);
+  }
+}
 
-    mainMemBar_->setRange(  0 , totalRamMB  );
-    mainMemBar_->setValue( totalRamMB-freeRamMB-bufferRamMB);
-  }
-}
 
+void MemInfoPlugin::setProgressBarStyleSheet(QProgressBar* _bar)
+{
+  const int val = _bar->value();
+  const int maxVal = _bar->maximum();
+  
+  // red starts with 50% mem alloc with 0 and is 1 at 100% mem alloc
+  double redPerc = (val > 0.5*maxVal) ? 2.0*(val-0.5*maxVal) : 0.0;
+  const unsigned red = 255.0*redPerc/maxVal;
+  std::cout << red << std::endl;
+  const unsigned green = 255-red;
+  const unsigned blue = 0;
+
+  //save color in a 32bit integer
+  const unsigned color = (red<<16)+(green<<8)+blue;
+  _bar->setStyleSheet(QString(" QProgressBar { border: 2px solid grey; border-radius: 2px; text-align: center; } QProgressBar::chunk {background-color: #%1; width: 1px;}").arg(color,0,16));
+  
+}
 
 #if QT_VERSION < 0x050000
   Q_EXPORT_PLUGIN2( meminfoplugin , MemInfoPlugin );

Plugin-MemInfo/MemInfo.hh

@@ -88,6 +88,9 @@ private slots:
 
 private:
 
+  /// Sets the Qt Stylesheet for the progress bars
+  void setProgressBarStyleSheet(QProgressBar* _bar);
+
   /// Status bar for GPU memory
   QProgressBar* gpuMemBar_;