Various small improvements

- fix some warnings about struct/class deslaration/definition mismatch
- fix incorrect assert in jpegcontent.cpp
- add a note
- null a pointer after deleting a job

Signed-off-by: Alexander Golubev <fatzer2@gmail.com>

1 files changed, 4 insertions, 1 deletions

diff --git a/src/gvcore/filethumbnailviewitem.cpp b/src/gvcore/filethumbnailviewitem.cpp
index dae4172..d017140 100644
--- a/src/gvcore/filethumbnailviewitem.cpp
+++ b/src/gvcore/filethumbnailviewitem.cpp
@@ -283,8 +283,11 @@ void FileThumbnailViewItem::calcRect(const TQString&) {
 		itemTextRect.moveLeft(PADDING);
 		itemTextRect.moveTop(thumbnailSize + PADDING * 2);
 	}
-	
+
 	// Update rects
+	// NOTE: this results in 3 calls to TQIconViewContainer(), which is costly if
+	//       there are a lot (tens of thousands) of items, unfortunately there
+	//       is no way to workaround this in current (14.1.1, 2024) TQt API
 	if ( itemPixmapRect != pixmapRect() ) {
 		setPixmapRect( itemPixmapRect );
 	}