Fixed refreshing of thumbnails after saving a single image.

Author: ggarra13

mrv2/docs/HISTORY.md

@@ -7,6 +7,8 @@ v1.0.3
 - Added the options to show OpenEXRs with data windows bigger than their display windows.  You activate it with View->Ignore Display Window and it will reload the exr image or sequence.
 - Improved drawing of Data and Display Window at high resolutions.
 - Fixed zooming when Media Information was active on an image sequence.
+- Fixed a refresh of mrv2's custom file requester when saving a single image
+  over a previous image file.  The icon would not get refreshed previously.
 
 
 v1.0.2

mrv2/lib/mrvFLU/Flu_File_Chooser.cpp

@@ -355,6 +355,7 @@ void Flu_File_Chooser::previewCB()
                     ThumbnailData* data = new ThumbnailData;
                     data->chooser = this;
                     data->entry = e;
+                    p.thumbnailCreator->clearCache();
                     auto id = p.thumbnailCreator->request(
                         fullname, time, size, createdThumbnail_cb, (void*)data);
                     p.thumbnailIds.insert(id);
@@ -5051,6 +5052,8 @@ static const char* _flu_file_chooser(
     {
         Flu_File_Chooser::window->value(retname.c_str());
     }
+    // Refresh thumbnails in case we saved a frame last time
+    Flu_File_Chooser::window->previewCB(); 
     Flu_File_Chooser::window->set_modal();
     Flu_File_Chooser::window->show();
 

mrv2/lib/mrvGL/mrvThumbnailCreator.cpp

@@ -48,7 +48,7 @@ namespace mrv
     struct ThumbnailCreator::Private
     {
         std::weak_ptr<system::Context> context;
-
+        
         struct Request
         {
             int64_t id;
@@ -80,6 +80,7 @@ namespace mrv
 
         int64_t id = 0;
         std::vector<int64_t> cancelRequests;
+        bool clearCache = false;
         size_t requestCount = 1;
         std::chrono::milliseconds requestTimeout =
             std::chrono::milliseconds(50);
@@ -252,6 +253,8 @@ namespace mrv
 
     void ThumbnailCreator::clearCache()
     {
+        TLRENDER_P();
+        p.clearCache = true;
     }
 
     void ThumbnailCreator::setTimerInterval(double value)
@@ -337,6 +340,12 @@ namespace mrv
                     options.ioOptions["OpenEXR/IgnoreDisplayWindow"] =
                         string::Format("{0}").arg(
                             App::ui->uiView->getIgnoreDisplayWindow());
+                    if (p.clearCache)
+                    {
+                        options.ioOptions["clearCache"] =
+                            string::Format("{0}").arg(rand());
+                    }
+                    
                     file::Path path(request.fileName);
                     try
                     {
@@ -347,7 +356,6 @@ namespace mrv
                             io::Options ioOptions;
                             ioOptions["Layer"] =
                                 string::Format("{0}").arg(request.layer);
-
                             request.futures.push_back(
                                 request.timeline->getVideo(
                                     time::isValid(i)
@@ -361,14 +369,16 @@ namespace mrv
                     catch (const std::exception& e)
                     {
                         // We don't print an error for EDLs as the timeline
-                        // replacement is not be atomic.
+                        // replacement is not atomic.
                         if (!isTemporaryEDL(path))
                             LOG_ERROR(e.what());
                         p.running = false;
                         continue;
                     }
                 }
 
+                p.clearCache = false;
+
                 // Check for finished requests.
                 std::vector<Private::Result> results;
                 auto requestIt = p.requestsInProgress.begin();