From 2ee0d33f44f2c95acdca19b5f4602adc8ea737ef Mon Sep 17 00:00:00 2001
From: Julian Ospald <hasufell@hasufell.de>
Date: Sat, 26 Dec 2015 21:11:23 +0100
Subject: [PATCH] GTK: add symlink icons

---
 src/GUI/Gtk.hs       | 10 ++++++----
 src/GUI/Gtk/Data.hs  |  2 ++
 src/GUI/Gtk/Icons.hs | 18 +++++++++++++++---
 src/GUI/Gtk/Utils.hs | 10 ++++++----
 4 files changed, 29 insertions(+), 11 deletions(-)

diff --git a/src/GUI/Gtk.hs b/src/GUI/Gtk.hs
index dd404c0..c86c139 100644
--- a/src/GUI/Gtk.hs
+++ b/src/GUI/Gtk.hs
@@ -155,10 +155,12 @@ startMainWindow startdir = do
   inotify  <- newEmptyMVar
 
   -- get the icons
-  iT        <- iconThemeGetDefault
-  folderPix <- getIcon IFolder 24
-  filePix   <- getIcon IFile 24
-  errorPix  <- getIcon IError 24
+  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
 
   operationBuffer <- newTVarIO None
 
diff --git a/src/GUI/Gtk/Data.hs b/src/GUI/Gtk/Data.hs
index c1d364a..52dfa72 100644
--- a/src/GUI/Gtk/Data.hs
+++ b/src/GUI/Gtk/Data.hs
@@ -82,7 +82,9 @@ data MyGUI = MkMyGUI {
   , renderPix :: CellRendererPixbuf
   , settings :: TVar FMSettings
   , folderPix :: Pixbuf
+  , folderSymPix :: Pixbuf
   , filePix :: Pixbuf
+  , fileSymPix :: Pixbuf
   , errorPix :: Pixbuf
 }
 
diff --git a/src/GUI/Gtk/Icons.hs b/src/GUI/Gtk/Icons.hs
index 88d3ac5..a7de7dc 100644
--- a/src/GUI/Gtk/Icons.hs
+++ b/src/GUI/Gtk/Icons.hs
@@ -28,6 +28,7 @@ import Graphics.UI.Gtk.Gdk.Pixbuf
 
 -- |Icon type we use in our GUI.
 data GtkIcon = IFolder
+             | SymL
              | IFile
              | IError
 
@@ -35,12 +36,12 @@ data GtkIcon = IFolder
 -- |Gets an icon from the default icon theme and falls back to project-icons
 -- if not found. The requested icon size is not guaranteed.
 getIcon :: GtkIcon    -- ^ icon we want
+        -> IconTheme  -- ^ which icon theme to get the icon from
         -> Int        -- ^ requested icon size
         -> IO Pixbuf
-getIcon icon isize = do
+getIcon icon itheme isize = do
   let iname = iconToStr icon
-  iT <- iconThemeGetDefault
-  mpix <- iconThemeLoadIcon iT iname isize IconLookupUseBuiltin
+  mpix <- iconThemeLoadIcon itheme iname isize IconLookupUseBuiltin
   case mpix of
     Just pix -> return pix
     Nothing  -> pixbufNewFromFile ("data/Gtk/icons/" ++ iname)
@@ -48,3 +49,14 @@ getIcon icon isize = do
     iconToStr IFolder = "gtk-directory"
     iconToStr IFile   = "gtk-file"
     iconToStr IError  = "error"
+    iconToStr SymL    = "emblem-symbolic-link"
+
+
+getSymlinkIcon :: GtkIcon -> IconTheme -> Int -> IO Pixbuf
+getSymlinkIcon icon itheme isize = do
+  pix    <- pixbufCopy =<< getIcon icon itheme isize
+  sympix <- getIcon SymL itheme isize
+
+  pixbufScale sympix pix 0 0 12 12 0 0 0.5 0.5 InterpNearest
+
+  return pix
diff --git a/src/GUI/Gtk/Utils.hs b/src/GUI/Gtk/Utils.hs
index 50c808d..4970c1b 100644
--- a/src/GUI/Gtk/Utils.hs
+++ b/src/GUI/Gtk/Utils.hs
@@ -276,10 +276,12 @@ constructTreeView mygui myview = do
 
   return ()
   where
-    dirtreePix (Dir {})     = folderPix mygui
-    dirtreePix (RegFile {}) = filePix mygui
-    dirtreePix (Failed {})  = errorPix mygui
-    dirtreePix _            = errorPix mygui
+    dirtreePix (Dir {})      = folderPix mygui
+    dirtreePix (RegFile {})  = filePix mygui
+    dirtreePix (SDir _)      = folderSymPix mygui
+    dirtreePix (SRegFile {}) = fileSymPix mygui
+    dirtreePix (Failed {})   = errorPix mygui
+    dirtreePix _             = errorPix mygui
 
 
 -- |Push a message to the status bar.