Fixed two thumb size related bugs (see issue #346)

rtgui/filebrowser.cc

@@ -195,7 +195,7 @@ void FileBrowser::addEntry_ (FileBrowserEntry* entry) {
     entry->getThumbButtonSet()->setRank (entry->thumbnail->getRank());
     entry->getThumbButtonSet()->setInTrash (entry->thumbnail->getStage()==1);
     entry->getThumbButtonSet()->setButtonListener (this);
-    entry->resize (options.thumbSize);
+    entry->resize (getCurrentThumbSize());
 
     // find place in abc order
     std::vector<ThumbBrowserEntryBase*>::iterator i = fd.begin();

rtgui/thumbbrowserbase.cc

@@ -467,7 +467,7 @@ void ThumbBrowserBase::zoomChanged (bool zoomIn) {
 
     int newHeight;
     int i=0;
-    int optThumbSize=inTabMode ? options.thumbSizeTab : options.thumbSize;
+    int optThumbSize=getCurrentThumbSize();
     if (zoomIn)
         for (i=0; i<options.thumbnailZoomRatios.size(); i++) {
             newHeight = (int)(options.thumbnailZoomRatios[i] * options.maxThumbnailHeight);
@@ -490,10 +490,13 @@ void ThumbBrowserBase::zoomChanged (bool zoomIn) {
     gdk_window_process_updates (get_window()->gobj(), true);
 #endif    
 }
+
+int ThumbBrowserBase::getCurrentThumbSize() { return inTabMode ? options.thumbSizeTab : options.thumbSize; }
+
 void ThumbBrowserBase::refreshThumbImages () {
 
     for (int i=0; i<fd.size(); i++){
-    	previewHeight = inTabMode ? options.thumbSizeTab : options.thumbSize;
+    	previewHeight = getCurrentThumbSize();
     	fd[i]->resize (previewHeight);// TODO!!! Might be performance bottleneck
         fd[i]->refreshThumbnailImage ();  // TODO: This might cause crashes on some installations
     }
@@ -527,7 +530,7 @@ void ThumbBrowserBase::enableTabMode(bool enable) {
     
     if (options.thumbSizeTab!=options.thumbSize) {
         for (int i=0; i<fd.size(); i++) 
-            fd[i]->resize (inTabMode ? options.thumbSizeTab : options.thumbSize);
+            fd[i]->resize (getCurrentThumbSize());
     }
 
     redraw ();

rtgui/thumbbrowserbase.h

@@ -57,7 +57,8 @@ class ThumbBrowserBase  :  public Gtk::VBox {
     int inW, inH;
 
     bool inTabMode;  // Tab mode has e.g. different preview heights
-    
+    int getCurrentThumbSize();  // depending on filmstrip/file browser mode
+
     void resizeThumbnailArea (int w, int h);
     void internalAreaResized (Gtk::Allocation& req);
     void buttonPressed (int x, int y, int button, GdkEventType type, int state, int clx, int cly, int clw, int clh);

rtgui/thumbbrowserentrybase.cc

@@ -271,6 +271,9 @@ void ThumbBrowserEntryBase::resize (int h) {
         // dimensions of the info text
         getTextSizes (infow, infoh);
         preh -= infoh + textGap;
+
+        // If the text size was selected very high in preferences this may go negative
+        if (preh<0) preh=0;
     }
 
     calcThumbnailSize ();