76 lines
2.1 KiB
Haskell
76 lines
2.1 KiB
Haskell
{--
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HSFM, a filemanager written in Haskell.
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Copyright (C) 2016 Julian Ospald
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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version 2 as published by the Free Software Foundation.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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--}
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{-# OPTIONS_HADDOCK ignore-exports #-}
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-- |Module for Gtk icon handling.
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module HSFM.GUI.Gtk.Icons where
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import Control.Applicative
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(
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(<$>)
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)
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import Data.Maybe
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(
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fromJust
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)
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import Graphics.UI.Gtk
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import Paths_hsfm
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(
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getDataFileName
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)
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-- |Icon type we use in our GUI.
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data GtkIcon = IFolder
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| SymL
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| IFile
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| IError
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-- |Gets an icon from the default icon theme and falls back to project-icons
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-- if not found. The requested icon size is not guaranteed.
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getIcon :: GtkIcon -- ^ icon we want
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-> IconTheme -- ^ which icon theme to get the icon from
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-> Int -- ^ requested icon size
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-> IO Pixbuf
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getIcon icon itheme isize = do
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let iname = iconToStr icon
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hasicon <- iconThemeHasIcon itheme iname
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case hasicon of
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True -> fromJust <$> iconThemeLoadIcon itheme iname isize
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IconLookupUseBuiltin
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False -> pixbufNewFromFile =<< getDataFileName
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("data/Gtk/icons/" ++ iname ++ ".png")
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where
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iconToStr IFolder = "gtk-directory"
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iconToStr IFile = "gtk-file"
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iconToStr IError = "error"
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iconToStr SymL = "emblem-symbolic-link"
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getSymlinkIcon :: GtkIcon -> IconTheme -> Int -> IO Pixbuf
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getSymlinkIcon icon itheme isize = do
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pix <- pixbufCopy =<< getIcon icon itheme isize
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sympix <- getIcon SymL itheme isize
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pixbufScale sympix pix 0 0 12 12 0 0 0.5 0.5 InterpNearest
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return pix
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