From 406ba45f5e82ff67acd96f7ed6ba871b775e9133 Mon Sep 17 00:00:00 2001
From: Gabriele Musco <emaildigabry@gmail.com>
Date: Fri, 23 Feb 2018 16:16:47 +0100
Subject: [PATCH] added support for MATE desktop

---
 hydrapaper/__main__.py         |  9 +++++++--
 hydrapaper/wallpaper_merger.py | 12 ++++++++++--
 2 files changed, 17 insertions(+), 4 deletions(-)

diff --git a/hydrapaper/__main__.py b/hydrapaper/__main__.py
index 476857e..89d14d9 100644
--- a/hydrapaper/__main__.py
+++ b/hydrapaper/__main__.py
@@ -579,8 +579,13 @@ def on_wallpapersFlowbox_child_activated(self, flowbox, selected_item):
         )
 
     def apply_button_async_handler(self, monitors):
+        desktop_environment = os.environ.get('XDG_CURRENT_DESKTOP')
+        if desktop_environment == 'MATE':
+            wp_setter_func = WallpaperMerger.set_wallpaper_mate
+        else:
+            wp_setter_func = WallpaperMerger.set_wallpaper_gnome
         if len(monitors) == 1:
-            WallpaperMerger.set_wallpaper(monitors[0].wallpaper, 'zoom')
+            wp_setter_func(monitors[0].wallpaper, 'zoom')
             return
         #if len(self.monitors) != 2:
         #    print('Configurations different from 2 monitors are not supported for now :(')
@@ -602,7 +607,7 @@ def apply_button_async_handler(self, monitors):
                     saved_wp_path
                 )
             )
-        WallpaperMerger.set_wallpaper(saved_wp_path)
+        wp_setter_func(saved_wp_path)
 
     def set_favorite_state(self, wp_path, wp_widget, isfavorite):
         if isfavorite:
diff --git a/hydrapaper/wallpaper_merger.py b/hydrapaper/wallpaper_merger.py
index 31e3141..8605e0e 100755
--- a/hydrapaper/wallpaper_merger.py
+++ b/hydrapaper/wallpaper_merger.py
@@ -8,7 +8,7 @@
 
 TMP_DIR='/tmp/HydraPaper/'
 
-def multi_setup_pillow(monitors, save_path):
+def multi_setup_pillow(monitors, save_path, wp_setter_func=None):
     images = list(map(Image.open, [m.wallpaper for m in monitors]))
     resolutions = [(m.width, m.height) for m in monitors]
     widths = [r[0] for r in resolutions]
@@ -22,9 +22,17 @@ def multi_setup_pillow(monitors, save_path):
         final_image.paste(i, o)
     final_image.save(save_path)
 
-def set_wallpaper(path, wp_mode='spanned'):
+def set_wallpaper_gnome(path, wp_mode='spanned'):
     gsettings = Gio.Settings.new('org.gnome.desktop.background')
     wp_key = 'picture-uri'
     mode_key = 'picture-options'
     gsettings.set_string(wp_key, 'file://{}'.format(path))
     gsettings.set_string(mode_key, wp_mode)
+
+def set_wallpaper_mate(path, wp_mode='spanned'):
+    gsettings = Gio.Settings.new('org.mate.background')
+    wp_key = 'picture-filename'
+    mode_key = 'picture-options'
+    gsettings.set_string(wp_key, path)
+    gsettings.set_string(mode_key, wp_mode)
+