improved progress bar handling for long running file list operations

src/gui/FileListWidget.cxx

@@ -157,8 +157,7 @@ ProgressDialog& FileListWidget::progress()
 // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
 void FileListWidget::incProgress()
 {
-  if(_includeSubDirs)
-    progress().incProgress();
+  progress().incProgress();
 }
 
 // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

src/gui/ProgressDialog.cxx

@@ -97,7 +97,8 @@ void ProgressDialog::setRange(int start, int finish, int step)
 // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
 void ProgressDialog::resetProgress()
 {
-  myProgress = myStepProgress = 0;
+  myLastTick = TimerManager::getTicks();
+  myProgress = 0;
   mySlider->setValue(0);
   myIsCancelled = false;
 }
@@ -105,10 +106,10 @@ void ProgressDialog::resetProgress()
 // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
 void ProgressDialog::setProgress(int progress)
 {
-  // Only increase the progress bar if we have arrived at a new step
-  if(progress - myStepProgress >= myStep)
+  // Only increase the progress bar if some time has passed
+  if(TimerManager::getTicks() - myLastTick > 100000) // update every 1/10th second
   {
-    myStepProgress = progress;
+    myLastTick = TimerManager::getTicks();
     mySlider->setValue(progress % (myFinish - myStart + 1));
 
     // Since this dialog is usually called in a tight loop that doesn't

src/gui/ProgressDialog.hxx

@@ -47,7 +47,7 @@ class ProgressDialog : public Dialog
 
     int myStart{0}, myFinish{0}, myStep{0};
     int myProgress{0};
-    int myStepProgress{0};
+    uInt64 myLastTick{0};
     bool myIsCancelled{false};
 
   private: