GTK: try to fix icon crap

Not sure if this is right, though.

src/GUI/Gtk/Data.hs

@@ -77,11 +77,6 @@ data MyGUI = MkMyGUI {
   , statusBar :: Statusbar
   , clearStatusBar :: Button
   , settings :: TVar FMSettings
-  , folderPix :: Pixbuf
-  , folderSymPix :: Pixbuf
-  , filePix :: Pixbuf
-  , fileSymPix :: Pixbuf
-  , errorPix :: Pixbuf
   , scroll :: ScrolledWindow
 }
 
@@ -90,6 +85,7 @@ data MyGUI = MkMyGUI {
 data FMSettings = MkFMSettings {
     showHidden :: Bool
   , isLazy :: Bool
+  , iconSize :: Int
 }
 
 data FMView = FMTreeView TreeView

src/GUI/Gtk/Icons.hs

@@ -22,6 +22,10 @@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 module GUI.Gtk.Icons where
 
 
+import Data.Maybe
+  (
+    fromJust
+  )
 import Graphics.UI.Gtk
 import Graphics.UI.Gtk.Gdk.Pixbuf
 import Paths_hsfm
@@ -45,10 +49,12 @@ getIcon :: GtkIcon    -- ^ icon we want
         -> IO Pixbuf
 getIcon icon itheme isize = do
   let iname = iconToStr icon
-  mpix <- iconThemeLoadIcon itheme iname isize IconLookupUseBuiltin
-  case mpix of
-    Just pix -> return pix
-    Nothing  -> pixbufNewFromFile =<< getDataFileName ("data/Gtk/icons/" ++ iname)
+  hasicon <- iconThemeHasIcon itheme iname
+  case hasicon of
+    True -> fromJust <$> iconThemeLoadIcon itheme iname isize
+                                           IconLookupUseBuiltin
+    False -> pixbufNewFromFile =<< getDataFileName
+                                    ("data/Gtk/icons/" ++ iname ++ ".png")
   where
     iconToStr IFolder = "gtk-directory"
     iconToStr IFile   = "gtk-file"

src/GUI/Gtk/MyGUI.hs

@@ -27,7 +27,6 @@ import Control.Concurrent.STM
   )
 import Graphics.UI.Gtk
 import GUI.Gtk.Data
-import GUI.Gtk.Icons
 import Paths_hsfm
   (
     getDataFileName
@@ -45,15 +44,8 @@ import Paths_hsfm
 createMyGUI :: IO MyGUI
 createMyGUI = do
 
-  settings <- newTVarIO (MkFMSettings False True)
-
-  -- get the icons
-  iT           <- iconThemeGetDefault
-  folderPix    <- getIcon IFolder iT 24
-  folderSymPix <- getSymlinkIcon IFolder iT 24
-  filePix      <- getIcon IFile iT 24
-  fileSymPix   <- getSymlinkIcon IFile iT 24
-  errorPix     <- getIcon IError iT 24
+  let settings' = MkFMSettings False True 24
+  settings <- newTVarIO settings'
 
   builder <- builderNew
   builderAddFromFile builder =<< getDataFileName "data/Gtk/builder.xml"