Merge branch 'release/0.7.1-1'0.7.1-1

65 files changed, 582 insertions, 549 deletions

diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 4d1194f..fcbe1e9 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -5,17 +5,6 @@
 # determine source and header files
 file(GLOB VALA_SRC RELATIVE ${CMAKE_CURRENT_SOURCE_DIR} *.vala */*.vala)
 
-if (${INDICATOR_FOUND})
-  LIST(APPEND DEFINES --define HAVE_APPINDICATOR)
-endif(${INDICATOR_FOUND})
-if (${INDICATOR3_FOUND})
-  LIST(APPEND DEFINES --define HAVE_APPINDICATOR)
-endif(${INDICATOR3_FOUND})
-
-if (${GMENU3_FOUND})
-    LIST(APPEND DEFINES --define HAVE_GMENU_3)
-endif (${GMENU3_FOUND})
-
 # use valac to compile sources to c files
 vala_precompile(
     VALA_C
@@ -24,7 +13,7 @@ vala_precompile(
         ${VALA_PKGS}
     OPTIONS
         --thread
-        ${DEFINES}
+        ${VALA_DEFINES}
 )
 
 # compile c-sources
diff --git a/src/actionGroups/actionGroup.vala b/src/actionGroups/actionGroup.vala
index 3bc7086..cb3f125 100644
--- a/src/actionGroups/actionGroup.vala
+++ b/src/actionGroups/actionGroup.vala
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////
-// Copyright (c) 2011-2016 by Simon Schneegans
+// Copyright (c) 2011-2017 by Simon Schneegans
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
diff --git a/src/actionGroups/bookmarkGroup.vala b/src/actionGroups/bookmarkGroup.vala
index 3a36be6..dc859fa 100644
--- a/src/actionGroups/bookmarkGroup.vala
+++ b/src/actionGroups/bookmarkGroup.vala
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////
-// Copyright (c) 2011-2016 by Simon Schneegans
+// Copyright (c) 2011-2017 by Simon Schneegans
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
@@ -41,12 +41,10 @@ public class BookmarkGroup : ActionGroup {
     }
 
     /////////////////////////////////////////////////////////////////////
-    /// Two members needed to avoid useless, frequent changes of the
-    /// stored Actions.
+    /// Used to track changes in the bookmarks file.
     /////////////////////////////////////////////////////////////////////
 
-    private bool changing = false;
-    private bool changed_again = false;
+    private GLib.FileMonitor monitor = null;
 
     /////////////////////////////////////////////////////////////////////
     /// C'tor, initializes all members.
@@ -65,14 +63,19 @@ public class BookmarkGroup : ActionGroup {
     construct {
         this.load();
 
-        // add monitor
-        var bookmark_file = GLib.File.new_for_path(
-            GLib.Environment.get_home_dir()).get_child(".gtk-bookmarks");
+        var bookmarks_file = get_bookmarks_file();
 
-        if (bookmark_file.query_exists()) {
+        // add monitor
+        if (bookmarks_file != null) {
             try {
-                var monitor = bookmark_file.monitor(GLib.FileMonitorFlags.NONE);
-                monitor.changed.connect(this.reload);
+                this.monitor = bookmarks_file.monitor(GLib.FileMonitorFlags.NONE);
+                this.monitor.set_rate_limit(500);
+                this.monitor.changed.connect((file, other, type) => {
+                    if(type == GLib.FileMonitorEvent.CHANGES_DONE_HINT) {
+                        this.delete_all();
+                        this.load();
+                    }
+                });
             } catch (GLib.Error e) {
                 warning(e.message);
             }
@@ -80,6 +83,24 @@ public class BookmarkGroup : ActionGroup {
     }
 
     /////////////////////////////////////////////////////////////////////
+    /// Returns either ~/.gtk-bookmarks or ~/.config/gtk-3.0/bookmarks
+    /////////////////////////////////////////////////////////////////////
+
+    private GLib.File? get_bookmarks_file() {
+        var bookmarks_file = GLib.File.new_for_path(
+            GLib.Environment.get_home_dir()).get_child(".gtk-bookmarks");
+
+        if (bookmarks_file.query_exists()) return bookmarks_file;
+            
+        bookmarks_file = GLib.File.new_for_path(
+            GLib.Environment.get_home_dir()).get_child(".config/gtk-3.0/bookmarks");
+
+        if (bookmarks_file.query_exists()) return bookmarks_file;
+
+        return null;
+    }
+
+    /////////////////////////////////////////////////////////////////////
     /// Adds Actions for each gtk-bookmark of the user and for his home
     /// folder, desktop and trash.
     /////////////////////////////////////////////////////////////////////
@@ -88,23 +109,27 @@ public class BookmarkGroup : ActionGroup {
         // add home folder
         this.add_action(ActionRegistry.new_for_uri("file://" + GLib.Environment.get_home_dir()));
 
-        // add .gtk-bookmarks
-        var bookmark_file = GLib.File.new_for_path(
-            GLib.Environment.get_home_dir()).get_child(".gtk-bookmarks");
+        // add bookmarks
+        var bookmarks_file = get_bookmarks_file();
 
-        if (!bookmark_file.query_exists()) {
-            warning("Failed to find file \".gtk-bookmarks\"!");
+        if (bookmarks_file == null) {
+            warning("Failed to find bookmarks file!");
             return;
         }
 
         try {
-            var dis = new DataInputStream(bookmark_file.read());
+            var dis = new DataInputStream(bookmarks_file.read());
             string line;
             while ((line = dis.read_line(null)) != null) {
-                var parts = line.split(" ");
 
-                string uri = parts[0];
-                string name = parts[1];
+                string uri = line;
+                string name = null;
+
+                int first_space = line.index_of(" ");
+                if (first_space > 0) {
+                    uri = line.slice(0, first_space);
+                    name = line.slice(first_space+1, line.length);
+                }
 
                 this.add_action(ActionRegistry.new_for_uri(uri, name));
             }
@@ -118,34 +143,6 @@ public class BookmarkGroup : ActionGroup {
         // add desktop
         this.add_action(ActionRegistry.new_for_uri("file://" + GLib.Environment.get_user_special_dir(GLib.UserDirectory.DESKTOP)));
     }
-
-    /////////////////////////////////////////////////////////////////////
-    /// Reloads all Bookmarks. Is called when the user's gtk-bookmarks
-    /// file changes.
-    /////////////////////////////////////////////////////////////////////
-
-    private void reload() {
-        // avoid too frequent changes...
-        if (!this.changing) {
-            this.changing = true;
-            Timeout.add(200, () => {
-                if (this.changed_again) {
-                    this.changed_again = false;
-                    return true;
-                }
-
-                // reload
-                message("Bookmarks changed...");
-                this.delete_all();
-                this.load();
-
-                this.changing = false;
-                return false;
-            });
-        } else {
-            this.changed_again = true;
-        }
-    }
 }
 
 }
diff --git a/src/actionGroups/clipboardGroup.vala b/src/actionGroups/clipboardGroup.vala
index 51c3d1a..63bb093 100644
--- a/src/actionGroups/clipboardGroup.vala
+++ b/src/actionGroups/clipboardGroup.vala
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////
-// Copyright (c) 2011-2016 by Simon Schneegans
+// Copyright (c) 2011-2017 by Simon Schneegans
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
@@ -53,7 +53,7 @@ public class ClipboardGroup : ActionGroup {
             if (file.query_exists()) {
                 try {
                     var info = file.query_info("standard::icon", 0);
-                    this.icon = Icon.get_icon_name(info.get_icon());
+                    this.icon = info.get_icon().to_string();
                 } catch (Error e) {
                     warning("Failed to generate icon for ClipboardGroupItem.");
                 }
diff --git a/src/actionGroups/devicesGroup.vala b/src/actionGroups/devicesGroup.vala
index 1ea8607..a9164f5 100644
--- a/src/actionGroups/devicesGroup.vala
+++ b/src/actionGroups/devicesGroup.vala
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////
-// Copyright (c) 2011-2016 by Simon Schneegans
+// Copyright (c) 2011-2017 by Simon Schneegans
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
@@ -89,7 +89,8 @@ public class DevicesGroup : ActionGroup {
             // get icon
             var icon = mount.get_icon();
 
-            this.add_action(new UriAction(mount.get_name(), Icon.get_icon_name(icon), mount.get_root().get_uri()));
+            this.add_action(new UriAction(mount.get_name(),
+              icon.to_string(), mount.get_root().get_uri()));
         }
     }
 
diff --git a/src/actionGroups/groupRegistry.vala b/src/actionGroups/groupRegistry.vala
index 89cde6a..eaaab24 100644
--- a/src/actionGroups/groupRegistry.vala
+++ b/src/actionGroups/groupRegistry.vala
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////
-// Copyright (c) 2011-2016 by Simon Schneegans
+// Copyright (c) 2011-2017 by Simon Schneegans
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
@@ -54,28 +54,40 @@ public class GroupRegistry : GLib.Object {
         TypeDescription type_description;
 
         type_description = BookmarkGroup.register();
-        types.add(typeof(BookmarkGroup).name());
-        descriptions.set(typeof(BookmarkGroup).name(), type_description);
+        if (type_description != null) {
+            types.add(typeof(BookmarkGroup).name());
+            descriptions.set(typeof(BookmarkGroup).name(), type_description);
+        }
 
         type_description = ClipboardGroup.register();
-        types.add(typeof(ClipboardGroup).name());
-        descriptions.set(typeof(ClipboardGroup).name(), type_description);
+        if (type_description != null) {
+            types.add(typeof(ClipboardGroup).name());
+            descriptions.set(typeof(ClipboardGroup).name(), type_description);
+        }
 
         type_description = DevicesGroup.register();
-        types.add(typeof(DevicesGroup).name());
-        descriptions.set(typeof(DevicesGroup).name(), type_description);
+        if (type_description != null) {
+            types.add(typeof(DevicesGroup).name());
+            descriptions.set(typeof(DevicesGroup).name(), type_description);
+        }
 
         type_description = MenuGroup.register();
-        types.add(typeof(MenuGroup).name());
-        descriptions.set(typeof(MenuGroup).name(), type_description);
+        if (type_description != null) {
+            types.add(typeof(MenuGroup).name());
+            descriptions.set(typeof(MenuGroup).name(), type_description);
+        }
 
         type_description = SessionGroup.register();
-        types.add(typeof(SessionGroup).name());
-        descriptions.set(typeof(SessionGroup).name(), type_description);
+        if (type_description != null) {
+            types.add(typeof(SessionGroup).name());
+            descriptions.set(typeof(SessionGroup).name(), type_description);
+        }
 
         type_description = WindowListGroup.register();
-        types.add(typeof(WindowListGroup).name());
-        descriptions.set(typeof(WindowListGroup).name(), type_description);
+        if (type_description != null) {
+            types.add(typeof(WindowListGroup).name());
+            descriptions.set(typeof(WindowListGroup).name(), type_description);
+        }
     }
 
     /////////////////////////////////////////////////////////////////////
@@ -83,6 +95,8 @@ public class GroupRegistry : GLib.Object {
     /////////////////////////////////////////////////////////////////////
 
     public static ActionGroup? create_group(string type_id, string parent_id) {
+        bool wayland = GLib.Environment.get_variable("XDG_SESSION_TYPE") == "wayland";
+
         switch (type_id) {
             case "bookmarks":
                 return new BookmarkGroup(parent_id);
@@ -95,9 +109,11 @@ public class GroupRegistry : GLib.Object {
             case "session":
                 return new SessionGroup(parent_id);
             case "window_list":
+                if (wayland) return null;
                 return new WindowListGroup(parent_id);
             // deprecated
             case "workspace_window_list":
+		if (wayland) return null;
                 var group = new WindowListGroup(parent_id);
                 group.current_workspace_only = true;
                 return group;
diff --git a/src/actionGroups/menuGroup.vala b/src/actionGroups/menuGroup.vala
index 353128f..92071d0 100644
--- a/src/actionGroups/menuGroup.vala
+++ b/src/actionGroups/menuGroup.vala
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////
-// Copyright (c) 2011-2016 by Simon Schneegans
+// Copyright (c) 2011-2017 by Simon Schneegans
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
@@ -135,7 +135,8 @@ public class MenuGroup : ActionGroup {
                     // get icon
                     var icon = item.get_directory().get_icon();
 
-                    var sub_menu = PieManager.create_dynamic_pie(item.get_directory().get_name(), Icon.get_icon_name(icon));
+                    var sub_menu = PieManager.create_dynamic_pie(item.get_directory().get_name(),
+                      icon.to_string());
                     var group = new MenuGroup.sub_menu(sub_menu.id);
                     group.add_action(new PieAction(parent_id, true));
                     group.load_contents(item.get_directory(), sub_menu.id);
diff --git a/src/actionGroups/sessionGroup.vala b/src/actionGroups/sessionGroup.vala
index 5d47674..f044a72 100644
--- a/src/actionGroups/sessionGroup.vala
+++ b/src/actionGroups/sessionGroup.vala
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////
-// Copyright (c) 2011-2016 by Simon Schneegans
+// Copyright (c) 2011-2017 by Simon Schneegans
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
diff --git a/src/actionGroups/windowListGroup.vala b/src/actionGroups/windowListGroup.vala
index c3560af..c572f75 100644
--- a/src/actionGroups/windowListGroup.vala
+++ b/src/actionGroups/windowListGroup.vala
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////
-// Copyright (c) 2011-2016 by Simon Schneegans
+// Copyright (c) 2011-2017 by Simon Schneegans
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
@@ -29,7 +29,12 @@ public class WindowListGroup : ActionGroup {
     /// the pies.conf file for this kind of ActionGroups.
     /////////////////////////////////////////////////////////////////////
 
-    public static GroupRegistry.TypeDescription register() {
+    public static GroupRegistry.TypeDescription? register() {
+        if (GLib.Environment.get_variable("XDG_SESSION_TYPE") == "wayland") {
+            warning("The WindowList slice group is not supported on Wayland.");
+            return null;
+        }
+
         var description = new GroupRegistry.TypeDescription();
         description.name = _("Group: Window List");
         description.icon = "preferences-system-windows";
@@ -41,12 +46,14 @@ public class WindowListGroup : ActionGroup {
     public bool current_workspace_only { get; set; default=false; }
 
     /////////////////////////////////////////////////////////////////////
-    /// Two members needed to avoid useless, frequent changes of the
-    /// stored Actions.
+    /// Cached icon names loaded from .desktop files.
     /////////////////////////////////////////////////////////////////////
 
-    private bool changing = false;
-    private bool changed_again = false;
+    private static Gee.HashMap<string, string> cached_icon_name { private get; private set; }
+
+    /////////////////////////////////////////////////////////////////////
+    /// Wnck's Screen object, to control the list of opened windows.
+    /////////////////////////////////////////////////////////////////////
 
     private Wnck.Screen screen;
 
@@ -56,24 +63,22 @@ public class WindowListGroup : ActionGroup {
 
     public WindowListGroup(string parent_id) {
         GLib.Object(parent_id : parent_id);
-    }
 
-    /////////////////////////////////////////////////////////////////////
-    /// Loads all windows.
-    /////////////////////////////////////////////////////////////////////
+        screen = Wnck.Screen.get_default();
+        WindowListGroup.cached_icon_name = new Gee.HashMap<string, string>();
 
-    construct {
-        this.screen = Wnck.Screen.get_default();
+        Gtk.IconTheme.get_default().changed.connect(() => {
+            WindowListGroup.cached_icon_name = new Gee.HashMap<string, string>();
+            create_actions_for_all_windows();
+        });
 
-        this.screen.window_opened.connect(reload);
-        this.screen.window_closed.connect(reload);
-        this.screen.active_workspace_changed.connect(reload);
-
-        this.update();
+        screen.active_workspace_changed.connect(create_actions_for_all_windows);
+        screen.window_opened.connect(create_action);
+        screen.window_closed.connect(remove_action);
     }
 
     /////////////////////////////////////////////////////////////////////
-    /// This one is called, when the ActionGroup is saved.
+    /// This one is called when the ActionGroup is saved.
     /////////////////////////////////////////////////////////////////////
 
     public override void on_save(Xml.TextWriter writer) {
@@ -82,7 +87,7 @@ public class WindowListGroup : ActionGroup {
     }
 
     /////////////////////////////////////////////////////////////////////
-    /// This one is called, when the ActionGroup is loaded.
+    /// This one is called when the ActionGroup is loaded.
     /////////////////////////////////////////////////////////////////////
 
     public override void on_load(Xml.Node* data) {
@@ -91,98 +96,117 @@ public class WindowListGroup : ActionGroup {
             string attr_content = attribute->children->content;
 
             if (attr_name == "current_workspace_only") {
-                this.current_workspace_only = bool.parse(attr_content);
+                current_workspace_only = bool.parse(attr_content);
             }
         }
     }
 
     /////////////////////////////////////////////////////////////////////
-    /// Loads all currently opened windows and creates actions for them.
+    /// Remove a Action for a given window
     /////////////////////////////////////////////////////////////////////
 
-    private void update() {
-        unowned GLib.List<Wnck.Window?> windows = this.screen.get_windows();
-
-        foreach (var window in windows) {
-            if (window.get_window_type() == Wnck.WindowType.NORMAL
-                && !window.is_skip_pager() && !window.is_skip_tasklist()
-                && (!current_workspace_only || (window.get_workspace() != null
-                && window.get_workspace() == this.screen.get_active_workspace()))) {
-
-                var application = window.get_application();
-                var icon = application.get_icon_name().down();
-                var name = window.get_name();
-
-                if (name.length > 30) {
-                    name = name.substring(0, 30) + "...";
+    private void remove_action(Wnck.Window window) {
+        if (!window.is_skip_pager() && !window.is_skip_tasklist())
+            foreach (Action action in actions)
+                if (window.get_xid() == uint64.parse(action.real_command)) {
+                    actions.remove(action);
+                    break;
                 }
+    }
 
-                var action = new SigAction(name, icon, "%lu".printf(window.get_xid()));
+    /////////////////////////////////////////////////////////////////////
+    /// Create Action's for all currently opened windows.
+    /////////////////////////////////////////////////////////////////////
 
-                action.activated.connect((time_stamp) => {
-                    Wnck.Screen.get_default().force_update();
+    private void create_actions_for_all_windows() {
+        delete_all();
 
-                    var xid = (X.Window)uint64.parse(action.real_command);
-                    var win = Wnck.Window.get(xid);
+        foreach (var window in screen.get_windows())
+            create_action(window);
+    }
 
-                    if (win.get_workspace() != null) {
-                        //select the workspace
-                        if (win.get_workspace() != win.get_screen().get_active_workspace()) {
-                            win.get_workspace().activate(time_stamp);
-                        }
+    /////////////////////////////////////////////////////////////////////
+    /// Create a Action for a given opened window
+    /////////////////////////////////////////////////////////////////////
 
-                        //select the viewport inside the workspace
-                        if (!win.is_in_viewport(win.get_workspace()) ) {
-                            int xp, yp, widthp, heightp, scx, scy, nx, ny, wx, wy;
-                            win.get_geometry (out xp, out yp, out widthp, out heightp);
-                            scx = win.get_screen().get_width();
-                            scy = win.get_screen().get_height();
-                            wx = win.get_workspace().get_viewport_x();
-                            wy = win.get_workspace().get_viewport_y();
-                            if (scx > 0 && scy > 0) {
-                                nx= ((wx+xp) / scx) * scx;
-                                ny= ((wy+yp) / scy) * scy;
-                                win.get_screen().move_viewport(nx, ny);
-                            }
-                        }
-                    }
+    private void create_action(Wnck.Window window) {
+        if (!window.is_skip_pager() && !window.is_skip_tasklist()
+            && (!current_workspace_only || (window.get_workspace() != null
+            && window.get_workspace() == screen.get_active_workspace()))) {
 
-                    if (win.is_minimized()) {
-                        win.unminimize(time_stamp);
-                    }
+            var name = window.get_name();
+            var icon_name = get_icon_name(window);
+            var xid = "%lu".printf(window.get_xid());
 
-                    win.activate_transient(time_stamp);
-                });
-                this.add_action(action);
+            if (name.length > 30) {
+                name = name.substring(0, 30) + "...";
             }
-        }
-    }
 
-    /////////////////////////////////////////////////////////////////////
-    /// Reloads all running applications.
-    /////////////////////////////////////////////////////////////////////
+            var action = new SigAction(name, icon_name, xid);
+            this.add_action(action);
 
-    private void reload() {
-        // avoid too frequent changes...
-        if (!this.changing) {
-            this.changing = true;
-            Timeout.add(500, () => {
-                if (this.changed_again) {
-                    this.changed_again = false;
-                    return true;
+            window.name_changed.connect(() => {
+                action.name = window.get_name();
+            });
+
+            action.activated.connect((time_stamp) => {
+                if (window.get_workspace() != null) {
+                    //select the workspace
+                    if (window.get_workspace() != window.get_screen().get_active_workspace()) {
+                        window.get_workspace().activate(time_stamp);
+                    }
                 }
 
-                // reload
-                this.delete_all();
-                this.update();
+                if (window.is_minimized()) {
+                    window.unminimize(time_stamp);
+                }
 
-                this.changing = false;
-                return false;
+                window.activate_transient(time_stamp);
             });
-        } else {
-            this.changed_again = true;
         }
     }
+
+    private string get_icon_name(Wnck.Window window) {
+        string icon_name = "";
+
+        #if HAVE_BAMF
+            var xid = (uint32) window.get_xid();
+            Bamf.Matcher bamf_matcher = Bamf.Matcher.get_default();
+            Bamf.Application app = bamf_matcher.get_application_for_xid(xid);
+            string desktop_file = null;
+
+            if (app != null)
+                desktop_file = app.get_desktop_file();
+
+            if (desktop_file != null) {
+                if (WindowListGroup.cached_icon_name.has_key(desktop_file))
+                    icon_name = WindowListGroup.cached_icon_name.get(desktop_file);
+                else {
+                    try {
+                        var file = new KeyFile();
+                        file.load_from_file(desktop_file, 0);
+
+                        if (file.has_key(KeyFileDesktop.GROUP, KeyFileDesktop.KEY_ICON)) {
+                            icon_name = file.get_locale_string(KeyFileDesktop.GROUP, KeyFileDesktop.KEY_ICON);
+                            WindowListGroup.cached_icon_name.set(desktop_file, icon_name);
+                        }
+                    } catch (GLib.KeyFileError e) {
+                        error("%s", e.message);
+                    } catch (GLib.FileError e) {
+                        error("%s", e.message);
+                    }
+                }
+            } else {
+                var application = window.get_application();
+                icon_name = application.get_icon_name().down();
+            }
+        #else
+            var application = window.get_application();
+            icon_name = application.get_icon_name().down();
+        #endif
+
+        return icon_name;
+    }
 }
 
 }
diff --git a/src/actions/action.vala b/src/actions/action.vala
index 555dc3c..6293302 100644
--- a/src/actions/action.vala
+++ b/src/actions/action.vala
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////
-// Copyright (c) 2011-2016 by Simon Schneegans
+// Copyright (c) 2011-2017 by Simon Schneegans
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
diff --git a/src/actions/actionRegistry.vala b/src/actions/actionRegistry.vala
index 579fc93..1640a1e 100644
--- a/src/actions/actionRegistry.vala
+++ b/src/actions/actionRegistry.vala
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////
-// Copyright (c) 2011-2016 by Simon Schneegans
+// Copyright (c) 2011-2017 by Simon Schneegans
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
@@ -138,7 +138,7 @@ public class ActionRegistry : GLib.Object {
 
                     // search for an appropriate icon
                     var icon = info.get_icon();
-                    final_icon = Icon.get_icon_name(icon);
+                    final_icon = icon.to_string();
 
                 } catch (GLib.Error e) {
                     warning(e.message);
@@ -147,9 +147,6 @@ public class ActionRegistry : GLib.Object {
                 break;
         }
 
-        if (!Gtk.IconTheme.get_default().has_icon(final_icon))
-                final_icon = "stock_unknown";
-
         if (name != null)
             final_name = name;
 
@@ -164,7 +161,8 @@ public class ActionRegistry : GLib.Object {
         // get icon
         var icon = info.get_icon();
 
-        return new AppAction(info.get_display_name(), Icon.get_icon_name(icon), info.get_commandline());
+        return new AppAction(info.get_display_name(), icon.to_string(),
+          info.get_commandline());
     }
 
     /////////////////////////////////////////////////////////////////////
diff --git a/src/actions/appAction.vala b/src/actions/appAction.vala
index cc98c1e..4b55f91 100644
--- a/src/actions/appAction.vala
+++ b/src/actions/appAction.vala
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////
-// Copyright (c) 2011-2016 by Simon Schneegans
+// Copyright (c) 2011-2017 by Simon Schneegans
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
diff --git a/src/actions/keyAction.vala b/src/actions/keyAction.vala
index 41dab61..99418cd 100644
--- a/src/actions/keyAction.vala
+++ b/src/actions/keyAction.vala
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////
-// Copyright (c) 2011-2016 by Simon Schneegans
+// Copyright (c) 2011-2017 by Simon Schneegans
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
diff --git a/src/actions/pieAction.vala b/src/actions/pieAction.vala
index 806d63b..fe266dd 100644
--- a/src/actions/pieAction.vala
+++ b/src/actions/pieAction.vala
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////
-// Copyright (c) 2011-2016 by Simon Schneegans
+// Copyright (c) 2011-2017 by Simon Schneegans
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
diff --git a/src/actions/sigAction.vala b/src/actions/sigAction.vala
index fdde40a..fb241ca 100644
--- a/src/actions/sigAction.vala
+++ b/src/actions/sigAction.vala
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////
-// Copyright (c) 2011-2016 by Simon Schneegans
+// Copyright (c) 2011-2017 by Simon Schneegans
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
diff --git a/src/actions/uriAction.vala b/src/actions/uriAction.vala
index 2dde62d..74b3a15 100644
--- a/src/actions/uriAction.vala
+++ b/src/actions/uriAction.vala
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////
-// Copyright (c) 2011-2016 by Simon Schneegans
+// Copyright (c) 2011-2017 by Simon Schneegans
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
diff --git a/src/daemon.vala b/src/daemon.vala
index 0d111de..32f7e11 100644
--- a/src/daemon.vala
+++ b/src/daemon.vala
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////
-// Copyright (c) 2011-2016 by Simon Schneegans
+// Copyright (c) 2011-2017 by Simon Schneegans
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
@@ -49,12 +49,14 @@ public class Daemon : GLib.Application {
     /////////////////////////////////////////////////////////////////////
 
     public static int main(string[] args) {
-        version = "0.7.0";
+        version = "0.7.1";
 
         // disable overlay scrollbar --- hacky workaround for black /
         // transparent background
         GLib.Environment.set_variable("LIBOVERLAY_SCROLLBAR", "0", true);
 
+        Wnck.set_client_type(Wnck.ClientType.PAGER);
+
         Logger.init();
         Gtk.init(ref args);
         Paths.init();
diff --git a/src/gui/aboutWindow.vala b/src/gui/aboutWindow.vala
index cddca63..da72417 100644
--- a/src/gui/aboutWindow.vala
+++ b/src/gui/aboutWindow.vala
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////
-// Copyright (c) 2011-2016 by Simon Schneegans
+// Copyright (c) 2011-2017 by Simon Schneegans
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
@@ -33,7 +33,8 @@ public class AboutWindow: Gtk.AboutDialog {
             "Simon Schneegans <code@simonschneegans.de>",
             "Gabriel Dubatti <gdubatti@gmail.com>",
             "Francesco Piccinno <stack.box@gmail.com>",
-            "György Balló <ballogyor@gmail.com>"
+            "György Balló <ballogyor@gmail.com>",
+            "Tiago de Oliveira Corrêa <tcorreabr@gmail.com>"
         };
         string[] artists = {
             "Simon Schneegans <code@simonschneegans.de>"
@@ -50,6 +51,7 @@ public class AboutWindow: Gtk.AboutDialog {
             "Raphaël Rochet <raphael@rri.fr> (FR)",
             "Alex Maxime <cad.maxime@gmail.com> (FR)",
             "Eugene Roskin <pams@imail.ru> (RU)",
+            "Ashed <craysy@gmail.com> (RU)",
             "Ting Zhou <tzhou@haverford.edu> (ZH-CN)",
             "Martin Dinov <martindinov@yahoo.com> (BG)"
         };
@@ -71,7 +73,7 @@ public class AboutWindow: Gtk.AboutDialog {
             artists : artists,
             authors : devs,
             translator_credits : translator_string,
-            copyright : "Copyright (C) 2011-2015 Simon Schneegans <code@simonschneegans.de>",
+            copyright : "Copyright (C) 2011-2017 Simon Schneegans <code@simonschneegans.de>",
             program_name: "Gnome-Pie",
             logo_icon_name: "gnome-pie",
             website: "http://simmesimme.github.io/gnome-pie.html",
diff --git a/src/gui/commandComboList.vala b/src/gui/commandComboList.vala
index 3f157ce..640c7b7 100644
--- a/src/gui/commandComboList.vala
+++ b/src/gui/commandComboList.vala
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////
-// Copyright (c) 2011-2016 by Simon Schneegans
+// Copyright (c) 2011-2017 by Simon Schneegans
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
diff --git a/src/gui/iconSelectWindow.vala b/src/gui/iconSelectWindow.vala
index d7e5062..6776288 100644
--- a/src/gui/iconSelectWindow.vala
+++ b/src/gui/iconSelectWindow.vala
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////
-// Copyright (c) 2011-2016 by Simon Schneegans
+// Copyright (c) 2011-2017 by Simon Schneegans
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
@@ -106,7 +106,6 @@ public class IconSelectWindow : GLib.Object {
 
     private class ListEntry {
         public string name;
-        public IconContext context;
         public Gdk.Pixbuf pixbuf;
     }
 
@@ -119,20 +118,6 @@ public class IconSelectWindow : GLib.Object {
     private GLib.AsyncQueue<ListEntry?> load_queue;
 
     /////////////////////////////////////////////////////////////////////
-    /// Possible icon types.
-    /////////////////////////////////////////////////////////////////////
-
-    private enum IconContext {
-        ALL,
-        APPS,
-        ACTIONS,
-        PLACES,
-        FILES,
-        EMOTES,
-        OTHER
-    }
-
-    /////////////////////////////////////////////////////////////////////
     /// C'tor, creates a new IconSelectWindow.
     /////////////////////////////////////////////////////////////////////
 
@@ -141,9 +126,8 @@ public class IconSelectWindow : GLib.Object {
             this.load_queue = new GLib.AsyncQueue<ListEntry?>();
 
             if (IconSelectWindow.icon_list == null) {
-                IconSelectWindow.icon_list = new Gtk.ListStore(3, typeof(string), // icon name
-                                                      typeof(IconContext), // icon type
-                                                      typeof(Gdk.Pixbuf)); // the icon itself
+                IconSelectWindow.icon_list = new Gtk.ListStore(2, typeof(string), // icon name
+                                                                  typeof(Gdk.Pixbuf)); // the icon itself
 
                 // disable sorting until all icons are loaded
                 // else loading becomes horribly slow
@@ -175,26 +159,6 @@ public class IconSelectWindow : GLib.Object {
             (builder.get_object("ok-button") as Gtk.Button).clicked.connect(on_ok_button_clicked);
             (builder.get_object("cancel-button") as Gtk.Button).clicked.connect(on_cancel_button_clicked);
 
-            var combo_box = builder.get_object("combo-box") as Gtk.Box;
-
-            // context combo
-            var context_combo = new Gtk.ComboBoxText();
-            context_combo.append_text(_("All icons"));
-            context_combo.append_text(_("Applications"));
-            context_combo.append_text(_("Actions"));
-            context_combo.append_text(_("Places"));
-            context_combo.append_text(_("File types"));
-            context_combo.append_text(_("Emotes"));
-            context_combo.append_text(_("Miscellaneous"));
-
-            context_combo.set_active(0);
-
-            context_combo.changed.connect(() => {
-                this.icon_list_filtered.refilter();
-            });
-
-            combo_box.pack_start(context_combo, false, false);
-
             // string filter entry
             var filter = builder.get_object("filter-entry") as Gtk.Entry;
 
@@ -202,21 +166,16 @@ public class IconSelectWindow : GLib.Object {
                 // and whose name contains the text entered in the entry
                 this.icon_list_filtered.set_visible_func((model, iter) => {
                     string name = "";
-                    IconContext context = IconContext.ALL;
                     model.get(iter, 0, out name);
-                    model.get(iter, 1, out context);
-
                     if (name == null) return false;
-
-                    return (context_combo.get_active() == context ||
-                            context_combo.get_active() == IconContext.ALL) &&
-                            name.down().contains(filter.text.down());
+                    return name.down().contains(filter.text.down());
                 });
 
                 // clear when the users clicks on the "clear" icon
                 filter.icon_release.connect((pos, event) => {
-                    if (pos == Gtk.EntryIconPosition.SECONDARY)
+                    if (pos == Gtk.EntryIconPosition.SECONDARY) {
                         filter.text = "";
+                    }
                 });
 
                 // refilter on input
@@ -231,7 +190,7 @@ public class IconSelectWindow : GLib.Object {
                 this.icon_view = new Gtk.IconView.with_model(this.icon_list_filtered);
                     this.icon_view.item_width = 32;
                     this.icon_view.item_padding = 2;
-                    this.icon_view.pixbuf_column = 2;
+                    this.icon_view.pixbuf_column = 1;
                     this.icon_view.tooltip_column = 0;
 
                     // set active_icon if selection changes
@@ -376,8 +335,7 @@ public class IconSelectWindow : GLib.Object {
                     Gtk.TreeIter current;
                     IconSelectWindow.icon_list.append(out current);
                     IconSelectWindow.icon_list.set(current, 0, new_entry.name,
-                                                1, new_entry.context,
-                                                2, new_entry.pixbuf);
+                                                1, new_entry.pixbuf);
                 }
 
                 // enable sorting of the icon_view if loading finished
@@ -397,44 +355,20 @@ public class IconSelectWindow : GLib.Object {
 
     private async void load_all() {
         var icon_theme = Gtk.IconTheme.get_default();
+        foreach (var icon in icon_theme.list_icons(null)) {
+            Idle.add(load_all.callback);
+            yield;
 
-        foreach (var context in icon_theme.list_contexts()) {
-            if (!disabled_contexts.contains(context)) {
-                foreach (var icon in icon_theme.list_icons(context)) {
-
-                    IconContext icon_context = IconContext.OTHER;
-                    switch(context) {
-                        case "Apps": case "Applications":
-                            icon_context = IconContext.APPS; break;
-                        case "Emotes":
-                            icon_context = IconContext.EMOTES; break;
-                        case "Places": case "Devices":
-                            icon_context = IconContext.PLACES; break;
-                        case "Mimetypes":
-                            icon_context = IconContext.FILES; break;
-                        case "Actions":
-                            icon_context = IconContext.ACTIONS; break;
-                        default: break;
-                    }
-
-                    Idle.add(load_all.callback);
-                    yield;
-
-                    try {
-                        // create a new entry for the queue
-                        var new_entry = new ListEntry();
-                        new_entry.name = icon;
-                        new_entry.context = icon_context;
-                        new_entry.pixbuf = icon_theme.load_icon(icon, 32, 0);
+            try {
+                // create a new entry for the queue
+                var new_entry = new ListEntry();
+                new_entry.name = icon;
+                new_entry.pixbuf = icon_theme.load_icon(icon, 32, Gtk.IconLookupFlags.FORCE_SIZE);
 
-                        // some icons have only weird sizes... do not include them
-                        if (new_entry.pixbuf.width == 32)
-                            this.load_queue.push(new_entry);
+                this.load_queue.push(new_entry);
 
-                    } catch (GLib.Error e) {
-                        warning("Failed to load image " + icon);
-                    }
-                }
+            } catch (GLib.Error e) {
+                warning("Failed to load image " + icon);
             }
         }
 
@@ -442,8 +376,9 @@ public class IconSelectWindow : GLib.Object {
         IconSelectWindow.loading = false;
 
         // hide the spinner
-        if (spinner != null)
+        if (spinner != null) {
             spinner.visible = false;
+        }
     }
 }
 
diff --git a/src/gui/indicator.vala b/src/gui/indicator.vala
index 55baaf1..ddd101b 100644
--- a/src/gui/indicator.vala
+++ b/src/gui/indicator.vala
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////
-// Copyright (c) 2011-2016 by Simon Schneegans
+// Copyright (c) 2011-2017 by Simon Schneegans
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
@@ -68,13 +68,6 @@ public class Indicator : GLib.Object {
 
     public Indicator() {
         string icon = "gnome-pie-symbolic";
-        var screen = (Gdk.X11.Screen)Gdk.Screen.get_default();
-        bool gnome_shell = false;
-
-        if (screen.get_window_manager_name() == "GNOME Shell") {
-            icon = "gnome-pie";
-            gnome_shell = true;
-        }
 
         #if HAVE_APPINDICATOR
 
@@ -85,19 +78,9 @@ public class Indicator : GLib.Object {
                 warning("Failed to get path of executable!");
             }
 
-            if (gnome_shell) {
-
-                if (GLib.File.new_for_path(path).query_exists()) {
-                    this.indicator = new AppIndicator.Indicator("Gnome-Pie", path + "/" + icon + ".svg",
-                                         AppIndicator.IndicatorCategory.APPLICATION_STATUS);
-                } else {
-                    this.indicator = new AppIndicator.Indicator("Gnome-Pie", icon,
-                                         AppIndicator.IndicatorCategory.APPLICATION_STATUS);
-                }
-            } else {
-                this.indicator = new AppIndicator.Indicator.with_path("Gnome-Pie", icon,
-                                     AppIndicator.IndicatorCategory.APPLICATION_STATUS, path);
-            }
+            this.indicator = new AppIndicator.Indicator.with_path("Gnome-Pie", icon,
+                                 AppIndicator.IndicatorCategory.APPLICATION_STATUS, path);
+
             var menu = new Gtk.Menu();
         #else
             this.indicator = new Gtk.StatusIcon();
diff --git a/src/gui/newSliceWindow.vala b/src/gui/newSliceWindow.vala
index 3133e34..6ea25d5 100644
--- a/src/gui/newSliceWindow.vala
+++ b/src/gui/newSliceWindow.vala
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////
-// Copyright (c) 2011-2016 by Simon Schneegans
+// Copyright (c) 2011-2017 by Simon Schneegans
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
diff --git a/src/gui/newsWindow.vala b/src/gui/newsWindow.vala
index 2ab13c0..f359ae9 100644
--- a/src/gui/newsWindow.vala
+++ b/src/gui/newsWindow.vala
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////
-// Copyright (c) 2011-2016 by Simon Schneegans
+// Copyright (c) 2011-2017 by Simon Schneegans
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
@@ -23,7 +23,7 @@ namespace GnomePie {
 
 public class NewsWindow: Gtk.Dialog {
 
-    public static const int news_count = 2;
+    public const int news_count = 2;
 
     /////////////////////////////////////////////////////////////////////
     ///
diff --git a/src/gui/pieComboList.vala b/src/gui/pieComboList.vala
index 6a5c172..96230c0 100644
--- a/src/gui/pieComboList.vala
+++ b/src/gui/pieComboList.vala
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////
-// Copyright (c) 2011-2016 by Simon Schneegans
+// Copyright (c) 2011-2017 by Simon Schneegans
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
diff --git a/src/gui/pieList.vala b/src/gui/pieList.vala
index ed93098..1f6ccec 100644
--- a/src/gui/pieList.vala
+++ b/src/gui/pieList.vala
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////
-// Copyright (c) 2011-2016 by Simon Schneegans
+// Copyright (c) 2011-2017 by Simon Schneegans
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
diff --git a/src/gui/pieOptionsWindow.vala b/src/gui/pieOptionsWindow.vala
index 5440305..ea50a53 100644
--- a/src/gui/pieOptionsWindow.vala
+++ b/src/gui/pieOptionsWindow.vala
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////
-// Copyright (c) 2011-2016 by Simon Schneegans
+// Copyright (c) 2011-2017 by Simon Schneegans
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
@@ -46,6 +46,8 @@ public class PieOptionsWindow : GLib.Object {
     private Gtk.Button? icon_button = null;
     private Gtk.Image? icon = null;
     private Gtk.Label? pie_id = null;
+    private Gtk.Label? hint = null;
+    private Gtk.Frame? optionsFrame = null;
 
     private IconSelectWindow? icon_window = null;
 
@@ -141,6 +143,10 @@ public class PieOptionsWindow : GLib.Object {
             this.icon_button = builder.get_object("icon-button") as Gtk.Button;
             this.icon_button.clicked.connect(on_icon_button_clicked);
 
+            this.hint = builder.get_object("hint") as Gtk.Label;
+
+            this.optionsFrame = builder.get_object("optionsFrame") as Gtk.Frame;
+
             this.window.delete_event.connect(this.window.hide_on_delete);
 
         } catch (GLib.Error e) {
@@ -163,6 +169,10 @@ public class PieOptionsWindow : GLib.Object {
 
     public void show() {
         this.window.show_all();
+
+        if (GLib.Environment.get_variable("XDG_SESSION_TYPE") == "wayland") {
+            this.optionsFrame.visible = false;
+        }
     }
 
     /////////////////////////////////////////////////////////////////////
@@ -187,6 +197,15 @@ public class PieOptionsWindow : GLib.Object {
         this.pie_id.label = "Pie-ID: " + id;
         this.trigger_button.set_trigger(trigger);
         this.set_icon(pie.icon);
+
+        if (GLib.Environment.get_variable("XDG_SESSION_TYPE") == "wayland") {
+            this.trigger_button.set_sensitive(false);
+
+            this.hint.set_line_wrap(true);
+            this.hint.set_max_width_chars(40);
+            this.hint.set_justify(Gtk.Justification.RIGHT);
+            this.hint.set_label(_("Keybindings and some other options are not supported on Wayland. However, you can use the terminial command \"gnome-pie --open %s\" to open this pie. Create a global hotkey in your system settings which executes this command!").printf(id));
+        }
     }
 
     /////////////////////////////////////////////////////////////////////
diff --git a/src/gui/piePreview.vala b/src/gui/piePreview.vala
index 540ab51..6c23590 100644
--- a/src/gui/piePreview.vala
+++ b/src/gui/piePreview.vala
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////
-// Copyright (c) 2011-2016 by Simon Schneegans
+// Copyright (c) 2011-2017 by Simon Schneegans
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
@@ -170,10 +170,7 @@ class PiePreview : Gtk.DrawingArea {
     /////////////////////////////////////////////////////////////////////
 
     public void set_pie(string id) {
-        var style = this.get_style_context();
-
         this.current_id = id;
-        this.override_background_color(Gtk.StateFlags.NORMAL, style.get_background_color(Gtk.StateFlags.NORMAL));
         this.renderer.load_pie(PieManager.all_pies[id]);
 
         if (id == this.drag_start_id) {
diff --git a/src/gui/piePreviewAddSign.vala b/src/gui/piePreviewAddSign.vala
index b5bbe53..2674879 100644
--- a/src/gui/piePreviewAddSign.vala
+++ b/src/gui/piePreviewAddSign.vala
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////
-// Copyright (c) 2011-2016 by Simon Schneegans
+// Copyright (c) 2011-2017 by Simon Schneegans
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
diff --git a/src/gui/piePreviewCenter.vala b/src/gui/piePreviewCenter.vala
index 2da47e6..2e9923e 100644
--- a/src/gui/piePreviewCenter.vala
+++ b/src/gui/piePreviewCenter.vala
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////
-// Copyright (c) 2011-2016 by Simon Schneegans
+// Copyright (c) 2011-2017 by Simon Schneegans
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
diff --git a/src/gui/piePreviewDeleteSign.vala b/src/gui/piePreviewDeleteSign.vala
index 05afd5b..0b63aa6 100644
--- a/src/gui/piePreviewDeleteSign.vala
+++ b/src/gui/piePreviewDeleteSign.vala
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////
-// Copyright (c) 2011-2016 by Simon Schneegans
+// Copyright (c) 2011-2017 by Simon Schneegans
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
@@ -42,9 +42,9 @@ public class PiePreviewDeleteSign : GLib.Object {
     /// Some constants determining the look and behaviour of this Slice.
     /////////////////////////////////////////////////////////////////////
 
-    private static const int radius = 18;
-    private static const double globale_scale = 0.8;
-    private static const double click_cancel_treshold = 5;
+    private const int radius = 18;
+    private const double globale_scale = 0.8;
+    private const double click_cancel_treshold = 5;
 
     /////////////////////////////////////////////////////////////////////
     /// True, when the add sign is currently visible.
diff --git a/src/gui/piePreviewRenderer.vala b/src/gui/piePreviewRenderer.vala
index dbd929a..d7dad25 100644
--- a/src/gui/piePreviewRenderer.vala
+++ b/src/gui/piePreviewRenderer.vala
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////
-// Copyright (c) 2011-2016 by Simon Schneegans
+// Copyright (c) 2011-2017 by Simon Schneegans
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
diff --git a/src/gui/piePreviewSliceRenderer.vala b/src/gui/piePreviewSliceRenderer.vala
index 35cb0a2..622e0dd 100644
--- a/src/gui/piePreviewSliceRenderer.vala
+++ b/src/gui/piePreviewSliceRenderer.vala
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////
-// Copyright (c) 2011-2016 by Simon Schneegans
+// Copyright (c) 2011-2017 by Simon Schneegans
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
@@ -72,11 +72,11 @@ public class PiePreviewSliceRenderer : GLib.Object {
     /// Some constants determining the look and behaviour of this Slice.
     /////////////////////////////////////////////////////////////////////
 
-    private static const double pie_radius = 126;
-    private static const double radius = 24;
-    private static const double delete_x = 13;
-    private static const double delete_y = -13;
-    private static const double click_cancel_treshold = 5;
+    private const double pie_radius = 126;
+    private const double radius = 24;
+    private const double delete_x = 13;
+    private const double delete_y = -13;
+    private const double click_cancel_treshold = 5;
 
     /////////////////////////////////////////////////////////////////////
     /// Storing the position where a mouse click was executed. Useful for
diff --git a/src/gui/preferencesWindow.vala b/src/gui/preferencesWindow.vala
index 1fedfb2..8c6c66c 100644
--- a/src/gui/preferencesWindow.vala
+++ b/src/gui/preferencesWindow.vala
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////
-// Copyright (c) 2011-2016 by Simon Schneegans
+// Copyright (c) 2011-2017 by Simon Schneegans
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
@@ -163,7 +163,7 @@ public class PreferencesWindow : GLib.Object {
 
         (builder.get_object("theme-help-button") as Gtk.Button).clicked.connect(() => {
             try{
-                GLib.AppInfo.launch_default_for_uri("http://simmesimme.github.io/lessons/2015/04/26/themes-for-gnome-pie/", null);
+                GLib.AppInfo.launch_default_for_uri("http://simmesimme.github.io/lessons/2015/04/26/themes-for-gnome-pie", null);
             } catch (Error e) {
                 warning(e.message);
             }
@@ -281,9 +281,6 @@ public class PreferencesWindow : GLib.Object {
         this.window.show_all();
         this.pie_list.select_first();
 
-        var style = this.preview_background.get_style_context();
-        this.preview_background.override_background_color(Gtk.StateFlags.NORMAL, style.get_background_color(Gtk.StateFlags.NORMAL));
-
         this.indicator.active = Config.global.show_indicator;
         this.autostart.active = Config.global.auto_start;
         this.captions.active = Config.global.show_captions;
@@ -532,15 +529,17 @@ public class PreferencesWindow : GLib.Object {
         } else {
             var pie = PieManager.all_pies[selected_id];
 
-            this.preview.set_pie(id);
-            this.preview_box.show();
+            if (pie != null) {
+                this.preview.set_pie(id);
+                this.preview_box.show();
 
-            if (pie.action_groups.size == 0) {
-                this.no_slice_label.show();
-            }
+                if (pie.action_groups.size == 0) {
+                    this.no_slice_label.show();
+                }
 
-            this.remove_pie_button.sensitive = true;
-            this.edit_pie_button.sensitive = true;
+                this.remove_pie_button.sensitive = true;
+                this.edit_pie_button.sensitive = true;
+            }
         }
     }
 
diff --git a/src/gui/sliceTypeList.vala b/src/gui/sliceTypeList.vala
index 2dcf16b..cec9ce3 100644
--- a/src/gui/sliceTypeList.vala
+++ b/src/gui/sliceTypeList.vala
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////
-// Copyright (c) 2011-2016 by Simon Schneegans
+// Copyright (c) 2011-2017 by Simon Schneegans
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
diff --git a/src/gui/themeList.vala b/src/gui/themeList.vala
index 8e7b190..022b57d 100644
--- a/src/gui/themeList.vala
+++ b/src/gui/themeList.vala
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////
-// Copyright (c) 2011-2016 by Simon Schneegans
+// Copyright (c) 2011-2017 by Simon Schneegans
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
diff --git a/src/gui/tipViewer.vala b/src/gui/tipViewer.vala
index e484315..24b4ccc 100644
--- a/src/gui/tipViewer.vala
+++ b/src/gui/tipViewer.vala
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////
-// Copyright (c) 2011-2016 by Simon Schneegans
+// Copyright (c) 2011-2017 by Simon Schneegans
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
@@ -69,8 +69,6 @@ public class TipViewer : Gtk.Label {
         this.wrap = true;
         this.valign = Gtk.Align.END;
         this.set_use_markup(true);
-
-        this.override_font(Pango.FontDescription.from_string("8"));
     }
 
     /////////////////////////////////////////////////////////////////////
@@ -155,7 +153,7 @@ public class TipViewer : Gtk.Label {
                 next_index = GLib.Random.int_range(0, tips.length);
             } while (next_index == this.index);
             this.index = next_index;
-            this.label = tips[this.index];
+            this.label = "<small>" + tips[this.index] + "</small>";
         }
     }
 }
diff --git a/src/gui/triggerSelectButton.vala b/src/gui/triggerSelectButton.vala
index c870f84..c70f1cd 100644
--- a/src/gui/triggerSelectButton.vala
+++ b/src/gui/triggerSelectButton.vala
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////
-// Copyright (c) 2011-2016 by Simon Schneegans
+// Copyright (c) 2011-2017 by Simon Schneegans
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
@@ -63,7 +63,7 @@ public class TriggerSelectButton : Gtk.ToggleButton {
             if (this.active) {
                 this.set_label(_("Press a hotkey ..."));
                 Gtk.grab_add(this);
-                FocusGrabber.grab(this.get_window(), true, true, true);
+                FocusGrabber.grab(this.get_window());
             }
         });
 
@@ -89,7 +89,7 @@ public class TriggerSelectButton : Gtk.ToggleButton {
         this.set_label(trigger.label);
         this.set_active(false);
         Gtk.grab_remove(this);
-        FocusGrabber.ungrab(true, true);
+        FocusGrabber.ungrab();
     }
 
     /////////////////////////////////////////////////////////////////////
diff --git a/src/images/icon.vala b/src/images/icon.vala
index 176e187..7933e81 100644
--- a/src/images/icon.vala
+++ b/src/images/icon.vala
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////
-// Copyright (c) 2011-2016 by Simon Schneegans
+// Copyright (c) 2011-2017 by Simon Schneegans
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
@@ -75,60 +75,43 @@ public class Icon : Image {
     }
 
     /////////////////////////////////////////////////////////////////////
-    /// Returns the icon name for a given GLib.Icon.
-    /////////////////////////////////////////////////////////////////////
-
-    public static string get_icon_name(GLib.Icon? icon) {
-        if (icon != null) {
-            var icon_names = icon.to_string().split(" ");
-
-            foreach (var icon_name in icon_names) {
-                if (Gtk.IconTheme.get_default().has_icon(icon_name)) {
-                    return icon_name;
-                }
-            }
-        }
-
-        return "";
-    }
-
-    /////////////////////////////////////////////////////////////////////
     /// Returns the filename for a given system icon.
     /////////////////////////////////////////////////////////////////////
 
     public static string get_icon_file(string icon_name, int size) {
-        string result = "";
-
         if (icon_name.contains("/")) {
             var file = GLib.File.new_for_path(icon_name);
-            if(file.query_exists())
+            if(file.query_exists()) {
                 return icon_name;
-
-            warning("Icon \"" + icon_name + "\" not found! Using default icon...");
+            }
         }
 
-
         var icon_theme = Gtk.IconTheme.get_default();
         var file = icon_theme.lookup_icon(icon_name, size, 0);
-        if (file != null) result = file.get_filename();
-
-        if (result == "") {
-            warning("Icon \"" + icon_name + "\" not found! Using default icon...");
-
-            string[] default_icons = {"application-default-icon", "stock_unknown"};
-            foreach (var icon in default_icons) {
-                file = icon_theme.lookup_icon(icon, size, 0);
-                if (file != null) {
-                    result = file.get_filename();
-                    break;
-                }
+        if (file != null) {
+            return file.get_filename();
+        }
+
+        try {
+            file = icon_theme.lookup_by_gicon(GLib.Icon.new_for_string(icon_name), size, 0);
+            if (file != null) {
+                return file.get_filename();
             }
+        } catch(GLib.Error e) {}
+
+        warning("Icon \"" + icon_name + "\" not found! Using default icon...");
 
-            if (result == "")
-                warning("No default icon found! Will be ugly...");
+        string[] default_icons = {"image-missing", "application-default-icon"};
+        foreach (var icon in default_icons) {
+            file = icon_theme.lookup_icon(icon, size, 0);
+            if (file != null) {
+                return file.get_filename();
+            }
         }
 
-        return result;
+        warning("No default icon found! Will be ugly...");
+
+        return "";
     }
 }
 
diff --git a/src/images/image.vala b/src/images/image.vala
index 840a8ad..9a00f45 100644
--- a/src/images/image.vala
+++ b/src/images/image.vala
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////
-// Copyright (c) 2011-2016 by Simon Schneegans
+// Copyright (c) 2011-2017 by Simon Schneegans
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
diff --git a/src/images/renderedText.vala b/src/images/renderedText.vala
index f00c8b5..cae6ee3 100644
--- a/src/images/renderedText.vala
+++ b/src/images/renderedText.vala
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////
-// Copyright (c) 2011-2016 by Simon Schneegans
+// Copyright (c) 2011-2017 by Simon Schneegans
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
diff --git a/src/images/themedIcon.vala b/src/images/themedIcon.vala
index 9dd9609..6ab5741 100644
--- a/src/images/themedIcon.vala
+++ b/src/images/themedIcon.vala
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////
-// Copyright (c) 2011-2016 by Simon Schneegans
+// Copyright (c) 2011-2017 by Simon Schneegans
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
diff --git a/src/pies/defaultConfig.vala b/src/pies/defaultConfig.vala
index 4041111..d832347 100644
--- a/src/pies/defaultConfig.vala
+++ b/src/pies/defaultConfig.vala
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////
-// Copyright (c) 2011-2016 by Simon Schneegans
+// Copyright (c) 2011-2017 by Simon Schneegans
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
@@ -63,8 +63,10 @@ namespace Pies {
             window.add_action(new KeyAction(_("Restore"), "view-restore", "<Alt>F5"));
 
         // add a pie with window list group
-        var alt_tab = PieManager.create_persistent_pie("Alt Tab", "dock", new Trigger.from_string("<Control><Alt>T"));
+        if (GLib.Environment.get_variable("XDG_SESSION_TYPE") != "wayland") {
+            var alt_tab = PieManager.create_persistent_pie("Alt Tab", "preferences-system-windows", new Trigger.from_string("<Control><Alt>T"));
             alt_tab.add_group(new WindowListGroup(alt_tab.id));
+        }
 
         // save the configuration to file
         Pies.save();
diff --git a/src/pies/load.vala b/src/pies/load.vala
index 20e18d8..976d818 100644
--- a/src/pies/load.vala
+++ b/src/pies/load.vala
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////
-// Copyright (c) 2011-2016 by Simon Schneegans
+// Copyright (c) 2011-2017 by Simon Schneegans
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
@@ -199,9 +199,11 @@ namespace Pies {
         }
 
         ActionGroup group = GroupRegistry.create_group(type, pie.id);
-        group.on_load(slice);
 
-        if (group != null) pie.add_group(group);
+        if (group != null) {
+            group.on_load(slice);
+            pie.add_group(group);
+        }
     }
 }
 
diff --git a/src/pies/pie.vala b/src/pies/pie.vala
index be17238..ef5549c 100644
--- a/src/pies/pie.vala
+++ b/src/pies/pie.vala
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////
-// Copyright (c) 2011-2016 by Simon Schneegans
+// Copyright (c) 2011-2017 by Simon Schneegans
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
diff --git a/src/pies/pieManager.vala b/src/pies/pieManager.vala
index d9bf5b7..6951508 100644
--- a/src/pies/pieManager.vala
+++ b/src/pies/pieManager.vala
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////
-// Copyright (c) 2011-2016 by Simon Schneegans
+// Copyright (c) 2011-2017 by Simon Schneegans
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
diff --git a/src/pies/save.vala b/src/pies/save.vala
index 0a2d401..2c5e191 100644
--- a/src/pies/save.vala
+++ b/src/pies/save.vala
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////
-// Copyright (c) 2011-2016 by Simon Schneegans
+// Copyright (c) 2011-2017 by Simon Schneegans
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
diff --git a/src/renderers/centerRenderer.vala b/src/renderers/centerRenderer.vala
index 88b569c..65a28fa 100644
--- a/src/renderers/centerRenderer.vala
+++ b/src/renderers/centerRenderer.vala
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////
-// Copyright (c) 2011-2016 by Simon Schneegans
+// Copyright (c) 2011-2017 by Simon Schneegans
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
@@ -188,8 +188,9 @@ public class CenterRenderer : GLib.Object {
         // draw caption
         if (Config.global.theme.caption && caption != null && this.activity.val > 0) {
             ctx.save();
-            ctx.identity_matrix();
-            ctx.translate(this.parent.center_x, (int)(Config.global.theme.caption_position) + this.parent.center_y);
+            double x, y;
+            ctx.get_current_point(out x, out y);
+            ctx.move_to(GLib.Math.floor(x), GLib.Math.floor(y));
             caption.paint_on(ctx, this.activity.val*this.alpha.val);
             ctx.restore();
         }
diff --git a/src/renderers/pieRenderer.vala b/src/renderers/pieRenderer.vala
index 32f3a5f..47d8b8e 100644
--- a/src/renderers/pieRenderer.vala
+++ b/src/renderers/pieRenderer.vala
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////
-// Copyright (c) 2011-2016 by Simon Schneegans
+// Copyright (c) 2011-2017 by Simon Schneegans
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
@@ -175,28 +175,6 @@ public class PieRenderer : GLib.Object {
         set_show_mode(ShowPieMode.FULL_PIE);
     }
 
-
-    private void get_mouse_and_screen(out int mousex, out int mousey, out int screenx, out int screeny) {
-        // get the mouse position and screen resolution
-        double x = 0.0;
-        double y = 0.0;
-
-        var display = Gdk.Display.get_default();
-        var manager = display.get_device_manager();
-        GLib.List<weak Gdk.Device?> list = manager.list_devices(Gdk.DeviceType.MASTER);
-
-        foreach(var device in list) {
-            if (device.input_source != Gdk.InputSource.KEYBOARD) {
-                Gdk.Screen screen;
-                device.get_position( out screen, out x, out y );
-            }
-        }
-        mousex= (int) x;
-        mousey= (int) y;
-        screenx= Gdk.Screen.width();
-        screeny= Gdk.Screen.height();
-    }
-
     /////////////////////////////////////////////////////////////////////
     /// Loads a Pie. All members are initialized accordingly.
     /////////////////////////////////////////////////////////////////////
@@ -239,12 +217,40 @@ public class PieRenderer : GLib.Object {
                  + Config.global.theme.visible_slice_radius)*2*Config.global.theme.max_zoom);
         }
 
-
-
-
         // get mouse position and screen resolution
-        int mouse_x, mouse_y, screen_x, screen_y;
-        get_mouse_and_screen( out mouse_x, out mouse_y, out screen_x, out screen_y );
+        int mouse_x, mouse_y;
+
+        #if HAVE_GTK_3_20
+            var seat = Gdk.Display.get_default().get_default_seat();
+            seat.get_pointer().get_position(null, out mouse_x, out mouse_y);
+        #else
+            double x = 0.0;
+            double y = 0.0;
+
+            var display = Gdk.Display.get_default();
+            var manager = display.get_device_manager();
+            GLib.List<weak Gdk.Device?> list = manager.list_devices(Gdk.DeviceType.MASTER);
+
+            foreach(var device in list) {
+                if (device.input_source != Gdk.InputSource.KEYBOARD) {
+                    Gdk.Screen screen;
+                    device.get_position( out screen, out x, out y );
+                }
+            }
+            
+            mouse_x = (int) x;
+            mouse_y = (int) y;
+        #endif
+
+        #if HAVE_GTK_3_22
+            var monitor = Gdk.Display.get_default().get_monitor_at_point(mouse_x, mouse_y).get_geometry();
+            int monitor_x = monitor.width;
+            int monitor_y = monitor.height;
+        #else
+            var screen = Gdk.Screen.get_default().get_root_window();
+            int monitor_x = screen.get_width();
+            int monitor_y = screen.get_height();
+        #endif
 
         //reduce the window size if needed to get closer to the actual mouse position
         int reduce_szx= 1;
@@ -255,24 +261,24 @@ public class PieRenderer : GLib.Object {
             if (mouse_x < sz/2) {
                 if (mouse_y < sz/2)
                     showpie= ShowPieMode.CPIE_TOP_LEFT;         //show 1/4 pie
-                else if (screen_y > 0 && screen_y-mouse_y < sz/2)
+                else if (monitor_y > 0 && monitor_y-mouse_y < sz/2)
                     showpie= ShowPieMode.CPIE_BOT_LEFT;         //show 1/4 pie
                 else
                     showpie= ShowPieMode.HPIE_LEFT;             //show 1/2 pie
 
             } else if (mouse_y < sz/2) {
-                if (screen_x > 0 && screen_x-mouse_x < sz/2)
+                if (monitor_x > 0 && monitor_x-mouse_x < sz/2)
                     showpie= ShowPieMode.CPIE_TOP_RIGHT;        //show 1/4 pie
                 else
                     showpie= ShowPieMode.HPIE_TOP;              //show 1/2 pie
 
-            } else if (screen_x > 0 && screen_x-mouse_x < sz/2) {
-                if (screen_y > 0 && screen_y-mouse_y < sz/2)
+            } else if (monitor_x > 0 && monitor_x-mouse_x < sz/2) {
+                if (monitor_y > 0 && monitor_y-mouse_y < sz/2)
                     showpie= ShowPieMode.CPIE_BOT_RIGHT;        //show 1/4 pie
                 else
                     showpie= ShowPieMode.HPIE_RIGHT;            //show 1/2 pie
 
-            } else if (screen_y > 0 && screen_y-mouse_y < sz/2)
+            } else if (monitor_y > 0 && monitor_y-mouse_y < sz/2)
                 showpie= ShowPieMode.HPIE_BOTTOM;               //show 1/2 pie
 
 
@@ -288,26 +294,26 @@ public class PieRenderer : GLib.Object {
             switch( PieManager.get_shape_number(pie.id) ) {
             case 1:
                 showpie= ShowPieMode.CPIE_BOT_RIGHT;
-                if (screen_x-mouse_x > sz/2)
+                if (monitor_x-mouse_x > sz/2)
                     reduce_szx= 0; //keep full width
-                if (screen_y-mouse_y > sz/2)
+                if (monitor_y-mouse_y > sz/2)
                     reduce_szy= 0; //keep full height
                 break;
             case 2:
                 showpie= ShowPieMode.HPIE_RIGHT;
-                if (screen_x-mouse_x > sz/2)
+                if (monitor_x-mouse_x > sz/2)
                     reduce_szx= 0; //keep full width
                 break;
             case 3:
                 showpie= ShowPieMode.CPIE_TOP_RIGHT;
-                if (screen_x-mouse_x > sz/2)
+                if (monitor_x-mouse_x > sz/2)
                     reduce_szx= 0; //keep full width
                 if (mouse_y > sz/2)
                     reduce_szy= 0; //keep full height
                 break;
             case 4:
                 showpie= ShowPieMode.HPIE_BOTTOM;
-                if (screen_y-mouse_y > sz/2)
+                if (monitor_y-mouse_y > sz/2)
                     reduce_szy= 0; //keep full height
                 break;
             case 6:
@@ -319,7 +325,7 @@ public class PieRenderer : GLib.Object {
                 showpie= ShowPieMode.CPIE_BOT_LEFT;
                 if (mouse_x > sz/2)
                     reduce_szx= 0; //keep full width
-                if (screen_y-mouse_y > sz/2)
+                if (monitor_y-mouse_y > sz/2)
                     reduce_szy= 0; //keep full height
                 break;
             case 8:
diff --git a/src/renderers/pieWindow.vala b/src/renderers/pieWindow.vala
index d2bf61f..a5142df 100644
--- a/src/renderers/pieWindow.vala
+++ b/src/renderers/pieWindow.vala
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////
-// Copyright (c) 2011-2016 by Simon Schneegans
+// Copyright (c) 2011-2017 by Simon Schneegans
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
@@ -102,6 +102,12 @@ public class PieWindow : Gtk.Window {
     private string search_string = "";
 
     /////////////////////////////////////////////////////////////////////
+    /// Used to identify wayland sessions.
+    /////////////////////////////////////////////////////////////////////
+
+    private bool wayland = GLib.Environment.get_variable("XDG_SESSION_TYPE") == "wayland";
+
+    /////////////////////////////////////////////////////////////////////
     /// C'tor, sets up the window.
     /////////////////////////////////////////////////////////////////////
 
@@ -112,7 +118,7 @@ public class PieWindow : Gtk.Window {
         this.set_skip_taskbar_hint(true);
         this.set_skip_pager_hint(true);
         this.set_keep_above(true);
-        this.set_type_hint(Gdk.WindowTypeHint.POPUP_MENU);
+        this.set_type_hint(Gdk.WindowTypeHint.DOCK);
         this.set_decorated(false);
         this.set_resizable(false);
         this.icon_name = "gnome-pie";
@@ -186,8 +192,7 @@ public class PieWindow : Gtk.Window {
         });
 
         this.show.connect_after(() => {
-            Gtk.grab_add(this);
-            FocusGrabber.grab(this.get_window(), true, true, false);
+            FocusGrabber.grab(this.get_window());
         });
 
         this.scroll_event.connect((e) => {
@@ -209,8 +214,25 @@ public class PieWindow : Gtk.Window {
 
     public void load_pie(Pie pie) {
         this.renderer.load_pie(pie);
-        this.set_window_position(pie);
-        this.set_size_request(renderer.size_w, renderer.size_h);
+
+        if (wayland) {
+            // wayland does not support client side window placement
+            // therefore we will make a fullscreen window
+            #if HAVE_GTK_3_22
+                var monitor = Gdk.Display.get_default().get_monitor_at_point(this.back_x, this.back_y).get_geometry();
+                int monitor_x = monitor.width;
+                int monitor_y = monitor.height;
+            #else
+                var screen = Gdk.Screen.get_default().get_root_window();
+                int monitor_x = screen.get_width();
+                int monitor_y = screen.get_height();
+            #endif
+
+            this.set_size_request(monitor_x, monitor_y);
+        } else {
+            this.set_window_position(pie);
+            this.set_size_request(renderer.size_w, renderer.size_h);
+        }
     }
 
     /////////////////////////////////////////////////////////////////////
@@ -226,15 +248,22 @@ public class PieWindow : Gtk.Window {
             this.back_sz_x++;
             this.back_sz_y++;
 
-            int screenx= Gdk.Screen.width();
-            int screeny= Gdk.Screen.height();
+            #if HAVE_GTK_3_22
+                var monitor = Gdk.Display.get_default().get_monitor_at_point(this.back_x, this.back_y).get_geometry();
+                int monitor_x = monitor.width;
+                int monitor_y = monitor.height;
+            #else
+                var screen = Gdk.Screen.get_default().get_root_window();
+                int monitor_x = screen.get_width();
+                int monitor_y = screen.get_height();
+            #endif
 
             //allow some window movement from the screen borders
             //(some panels moves the window after it was realized)
             int dx = this.panel_sz - this.back_x;
             if (dx > 0)
                 this.back_sz_x += dx;
-            dx = this.panel_sz - (screenx - this.back_x - this.back_sz_x +1);
+            dx = this.panel_sz - (monitor_x - this.back_x - this.back_sz_x +1);
             if (dx > 0) {
                 this.back_sz_x += dx;
                 this.back_x  -= dx;
@@ -243,7 +272,7 @@ public class PieWindow : Gtk.Window {
             int dy = this.panel_sz - this.back_y;
             if (dy > 0)
                 this.back_sz_y += dy;
-            dy = this.panel_sz - (screeny - this.back_y - this.back_sz_y +1);
+            dy = this.panel_sz - (monitor_y - this.back_y - this.back_sz_y +1);
             if (dy > 0) {
                 this.back_sz_y += dy;
                 this.back_y  -= dy;
@@ -264,10 +293,10 @@ public class PieWindow : Gtk.Window {
                 this.back_sz_y += this.back_y;
                 this.back_y = 0;
             }
-            if (this.back_x + this.back_sz_x > screenx)
-                this.back_sz_x = screenx - this.back_x;
-            if (this.back_y + this.back_sz_y > screeny)
-                this.back_sz_y = screeny - this.back_y;
+            if (this.back_x + this.back_sz_x > monitor_x)
+                this.back_sz_x = monitor_x - this.back_x;
+            if (this.back_y + this.back_sz_y > monitor_y)
+                this.back_sz_y = monitor_y - this.back_y;
             this.background = new Image.capture_screen(this.back_x, this.back_y, this.back_sz_x, this.back_sz_y);
         }
 
@@ -314,20 +343,27 @@ public class PieWindow : Gtk.Window {
     /////////////////////////////////////////////////////////////////////
 
     private void get_mouse_position(out int mx, out int my) {
-        // get the mouse position
-        mx = 0;
-        my = 0;
-        Gdk.ModifierType mask;
-
-        var display = Gdk.Display.get_default();
-        var manager = display.get_device_manager();
-        GLib.List<weak Gdk.Device?> list = manager.list_devices(Gdk.DeviceType.MASTER);
-
-        foreach(var device in list) {
-            if (device.input_source != Gdk.InputSource.KEYBOARD) {
-                this.get_window().get_device_position(device, out mx, out my, out mask);
+        #if HAVE_GTK_3_20
+            var seat = Gdk.Display.get_default().get_default_seat();
+            seat.get_pointer().get_position(null, out mx, out my);
+        #else
+            double x = 0.0;
+            double y = 0.0;
+
+            var display = Gdk.Display.get_default();
+            var manager = display.get_device_manager();
+            GLib.List<weak Gdk.Device?> list = manager.list_devices(Gdk.DeviceType.MASTER);
+
+            foreach(var device in list) {
+                if (device.input_source != Gdk.InputSource.KEYBOARD) {
+                    Gdk.Screen screen;
+                    device.get_position( out screen, out x, out y );
+                }
             }
-        }
+            
+            mx = (int) x;
+            my = (int) y;
+        #endif
     }
 
     /////////////////////////////////////////////////////////////////////
@@ -335,14 +371,19 @@ public class PieWindow : Gtk.Window {
     /////////////////////////////////////////////////////////////////////
 
     private void set_mouse_position(int mx, int my) {
-        var display = Gdk.Display.get_default();
-        var manager = display.get_device_manager();
-        GLib.List<weak Gdk.Device?> list = manager.list_devices(Gdk.DeviceType.MASTER);
-        foreach(var device in list) {
-            if (device.input_source != Gdk.InputSource.KEYBOARD) {
-                device.warp(Gdk.Screen.get_default(), mx, my);
+        #if HAVE_GTK_3_20
+            var seat = Gdk.Display.get_default().get_default_seat();
+            seat.get_pointer().warp(this.screen, mx, my);
+        #else
+            var display = Gdk.Display.get_default();
+            var manager = display.get_device_manager();
+            GLib.List<weak Gdk.Device?> list = manager.list_devices(Gdk.DeviceType.MASTER);
+            foreach(var device in list) {
+                if (device.input_source != Gdk.InputSource.KEYBOARD) {
+                    device.warp(Gdk.Screen.get_default(), mx, my);
+                }
             }
-        }
+        #endif
     }
 
     /////////////////////////////////////////////////////////////////////
@@ -350,6 +391,9 @@ public class PieWindow : Gtk.Window {
     /////////////////////////////////////////////////////////////////////
 
     private bool draw_window(Cairo.Context ctx) {
+        int x, y;
+        this.get_position(out x, out y);
+
         // paint the background image if there is no compositing
         if (this.has_compositing) {
             ctx.set_operator (Cairo.Operator.CLEAR);
@@ -358,8 +402,6 @@ public class PieWindow : Gtk.Window {
         } else {
             //correct the background position if the window was moved
             //since the background image was captured
-            int x, y;
-            this.get_position(out x, out y);
             int dx = this.back_x - x;
             int dy = this.back_y - y;
             ctx.save();
@@ -370,9 +412,6 @@ public class PieWindow : Gtk.Window {
             ctx.restore();
         }
 
-        // align the context to the center of the PieWindow
-        ctx.translate(this.renderer.center_x, this.renderer.center_y);
-
         // get the mouse position
         int mouse_x, mouse_y;
         get_mouse_position( out mouse_x, out mouse_y );
@@ -381,9 +420,31 @@ public class PieWindow : Gtk.Window {
         double frame_time = this.timer.elapsed();
         this.timer.reset();
 
+        int center_x = this.renderer.center_x;
+        int center_y = this.renderer.center_y;
+
+        // on wayland we have a fullscreen window and since we
+        // do not get the pointer location until the mouse moved
+        // we can only display the pie centered...
+        if (this.wayland) {
+            #if HAVE_GTK_3_22
+                var monitor = Gdk.Display.get_default().get_monitor_at_point(mouse_x, mouse_y).get_geometry();
+                center_x = monitor.width / 2;
+                center_y = monitor.height / 2;
+            #else
+                var screen = Gdk.Screen.get_default().get_root_window();
+                center_x = screen.get_width() / 2;
+                center_y = screen.get_height() / 2;
+            #endif
+        }
+
+        // align the context to the center of the PieWindow
+        x += center_x;
+        y += center_y;
+        ctx.translate(center_x, center_y);
+
         // render the Pie
-        this.renderer.draw(frame_time, ctx, mouse_x - (int)this.renderer.center_x,
-                                            mouse_y - (int)this.renderer.center_y);
+        this.renderer.draw(frame_time, ctx, mouse_x - x, mouse_y - y);
 
         return true;
     }
@@ -396,7 +457,6 @@ public class PieWindow : Gtk.Window {
         if (!this.closing) {
             this.closing = true;
             this.on_closing();
-            Gtk.grab_remove(this);
             FocusGrabber.ungrab();
 
             GLib.Timeout.add(10, () => {
@@ -421,7 +481,6 @@ public class PieWindow : Gtk.Window {
         if (!this.closing) {
             this.closing = true;
             this.on_closing();
-            Gtk.grab_remove(this);
             FocusGrabber.ungrab();
             this.renderer.cancel();
 
diff --git a/src/renderers/sliceRenderer.vala b/src/renderers/sliceRenderer.vala
index b465bd7..c370b10 100644
--- a/src/renderers/sliceRenderer.vala
+++ b/src/renderers/sliceRenderer.vala
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////
-// Copyright (c) 2011-2016 by Simon Schneegans
+// Copyright (c) 2011-2017 by Simon Schneegans
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
diff --git a/src/themes/centerLayer.vala b/src/themes/centerLayer.vala
index c4adbb8..8bd61e2 100644
--- a/src/themes/centerLayer.vala
+++ b/src/themes/centerLayer.vala
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////
-// Copyright (c) 2011-2016 by Simon Schneegans
+// Copyright (c) 2011-2017 by Simon Schneegans
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
diff --git a/src/themes/sliceLayer.vala b/src/themes/sliceLayer.vala
index 1a2c7cd..be196dd 100644
--- a/src/themes/sliceLayer.vala
+++ b/src/themes/sliceLayer.vala
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////
-// Copyright (c) 2011-2016 by Simon Schneegans
+// Copyright (c) 2011-2017 by Simon Schneegans
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
diff --git a/src/themes/theme.vala b/src/themes/theme.vala
index 9c1ac5c..4a1806d 100644
--- a/src/themes/theme.vala
+++ b/src/themes/theme.vala
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////
-// Copyright (c) 2011-2016 by Simon Schneegans
+// Copyright (c) 2011-2017 by Simon Schneegans
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
diff --git a/src/themes/themeImporter.vala b/src/themes/themeImporter.vala
index 24db741..5a373a6 100644
--- a/src/themes/themeImporter.vala
+++ b/src/themes/themeImporter.vala
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////
-// Copyright (c) 2011-2016 by Simon Schneegans
+// Copyright (c) 2011-2017 by Simon Schneegans
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
diff --git a/src/utilities/animatedValue.vala b/src/utilities/animatedValue.vala
index 5bb46f5..3dc0685 100644
--- a/src/utilities/animatedValue.vala
+++ b/src/utilities/animatedValue.vala
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////
-// Copyright (c) 2011-2016 by Simon Schneegans
+// Copyright (c) 2011-2017 by Simon Schneegans
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
diff --git a/src/utilities/archiveReader.vala b/src/utilities/archiveReader.vala
index 14183ac..df248cf 100644
--- a/src/utilities/archiveReader.vala
+++ b/src/utilities/archiveReader.vala
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////
-// Copyright (c) 2011-2016 by Simon Schneegans
+// Copyright (c) 2011-2017 by Simon Schneegans
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
diff --git a/src/utilities/archiveWriter.vala b/src/utilities/archiveWriter.vala
index b74b5d0..2a18154 100644
--- a/src/utilities/archiveWriter.vala
+++ b/src/utilities/archiveWriter.vala
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////
-// Copyright (c) 2011-2016 by Simon Schneegans
+// Copyright (c) 2011-2017 by Simon Schneegans
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
diff --git a/src/utilities/bindingManager.vala b/src/utilities/bindingManager.vala
index a21c0a1..82b6334 100644
--- a/src/utilities/bindingManager.vala
+++ b/src/utilities/bindingManager.vala
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////
-// Copyright (c) 2011-2016 by Simon Schneegans
+// Copyright (c) 2011-2017 by Simon Schneegans
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
@@ -73,6 +73,12 @@ public class BindingManager : GLib.Object {
     private Keybinding? delayed_binding = null;
 
     /////////////////////////////////////////////////////////////////////
+    /// Used to identify wayland sessions.
+    /////////////////////////////////////////////////////////////////////
+
+    private bool wayland = GLib.Environment.get_variable("XDG_SESSION_TYPE") == "wayland";
+
+    /////////////////////////////////////////////////////////////////////
     /// Helper class to store keybinding
     /////////////////////////////////////////////////////////////////////
 
@@ -104,7 +110,9 @@ public class BindingManager : GLib.Object {
     /////////////////////////////////////////////////////////////////////
 
     public void bind(Trigger trigger, string id) {
-        if (trigger.key_code != 0) {
+        
+        // global key grabbing is impossible on wayland
+        if (!wayland && trigger.key_code != 0) {
             unowned X.Display display = Gdk.X11.get_default_xdisplay();
             X.ID xid = Gdk.X11.get_default_root_xwindow();
 
@@ -143,8 +151,8 @@ public class BindingManager : GLib.Object {
     public void unbind(string id) {
         foreach (var binding in bindings) {
             if (id == binding.id) {
-                if (binding.trigger.key_code == 0) {
-                    //no key_code: just remove the bindind from the list
+                if (binding.trigger.key_code == 0 || wayland) {
+                    //no key_code or wayland: just remove the bindind from the list
                     bindings.remove(binding);
                     return;
                 }
diff --git a/src/utilities/color.vala b/src/utilities/color.vala
index 1e2baf3..cc65434 100644
--- a/src/utilities/color.vala
+++ b/src/utilities/color.vala
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////
-// Copyright (c) 2011-2016 by Simon Schneegans
+// Copyright (c) 2011-2017 by Simon Schneegans
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
@@ -41,7 +41,7 @@ public class Color: GLib.Object {
     /////////////////////////////////////////////////////////////////////
 
     public Color() {
-        Color.from_rgb(1.0f, 1.0f, 1.0f);
+        this.from_rgb(1.0f, 1.0f, 1.0f);
     }
 
     /////////////////////////////////////////////////////////////////////
@@ -49,7 +49,7 @@ public class Color: GLib.Object {
     /////////////////////////////////////////////////////////////////////
 
     public Color.from_rgb(float red, float green, float blue) {
-        Color.from_rgba(red, green, blue, 1.0f);
+        this.from_rgba(red, green, blue, 1.0f);
     }
 
     /////////////////////////////////////////////////////////////////////
@@ -68,7 +68,7 @@ public class Color: GLib.Object {
     /////////////////////////////////////////////////////////////////////
 
     public Color.from_gdk(Gdk.RGBA color) {
-        Color.from_rgba(
+        this.from_rgba(
             (float)color.red,
             (float)color.green,
             (float)color.blue,
@@ -86,7 +86,7 @@ public class Color: GLib.Object {
         if (!ctx.lookup_color(style_name, out color)) {
             warning("Failed to get style color for widget style \"" + style_name + "\"!");
         }
-        Color.from_gdk(color);
+        this.from_gdk(color);
     }
 
     /////////////////////////////////////////////////////////////////////
@@ -96,7 +96,7 @@ public class Color: GLib.Object {
     public Color.from_string(string hex_string) {
         var color = Gdk.RGBA();
         color.parse(hex_string);
-        Color.from_gdk(color);
+        this.from_gdk(color);
     }
 
     /////////////////////////////////////////////////////////////////////
@@ -134,7 +134,7 @@ public class Color: GLib.Object {
             }
         }
 
-        Color.from_rgb((float)(rtotal/total), (float)(gtotal/total), (float)(btotal/total));
+        this.from_rgb((float)(rtotal/total), (float)(gtotal/total), (float)(btotal/total));
 
         if (s > 0.15f) s = 0.65f;
 
diff --git a/src/utilities/config.vala b/src/utilities/config.vala
index 3fc8d3f..1d3fde4 100644
--- a/src/utilities/config.vala
+++ b/src/utilities/config.vala
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////
-// Copyright (c) 2011-2016 by Simon Schneegans
+// Copyright (c) 2011-2017 by Simon Schneegans
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
diff --git a/src/utilities/focusGrabber.vala b/src/utilities/focusGrabber.vala
index 4a3212f..8424f12 100644
--- a/src/utilities/focusGrabber.vala
+++ b/src/utilities/focusGrabber.vala
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////
-// Copyright (c) 2011-2016 by Simon Schneegans
+// Copyright (c) 2011-2017 by Simon Schneegans
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
@@ -28,18 +28,16 @@ public class FocusGrabber : GLib.Object {
     /// Code roughly from Gnome-Do/Synapse.
     /////////////////////////////////////////////////////////////////////
 
-    public static void grab(Gdk.Window window, bool keyboard = true, bool pointer = true, bool owner_events = true) {
-        if (keyboard || pointer) {
-            window.raise();
-            window.focus(Gdk.CURRENT_TIME);
-
-            if (!try_grab_window(window, keyboard, pointer, owner_events)) {
-                int i = 0;
-                Timeout.add(100, () => {
-                    if (++i >= 100) return false;
-                    return !try_grab_window(window, keyboard, pointer, owner_events);
-                });
-            }
+    public static void grab(Gdk.Window window) {
+        window.raise();
+        window.focus(Gdk.CURRENT_TIME);
+
+        if (!try_grab_window(window)) {
+            int i = 0;
+            Timeout.add(100, () => {
+                if (++i >= 100) return false;
+                return !try_grab_window(window);
+            });
         }
     }
 
@@ -47,50 +45,65 @@ public class FocusGrabber : GLib.Object {
     /// Code roughly from Gnome-Do/Synapse.
     /////////////////////////////////////////////////////////////////////
 
-    public static void ungrab(bool keyboard = true, bool pointer = true) {
-        var display = Gdk.Display.get_default();
-        var manager = display.get_device_manager();
-
-        GLib.List<weak Gdk.Device?> list = manager.list_devices(Gdk.DeviceType.MASTER);
+    public static void ungrab() {
+        #if HAVE_GTK_3_20
+            var seat = Gdk.Display.get_default().get_default_seat();
+            seat.ungrab();
+        #else
+            var display = Gdk.Display.get_default();
+            var manager = display.get_device_manager();
 
-        foreach(var device in list) {
-            if ((device.input_source == Gdk.InputSource.KEYBOARD && keyboard)
-             || (device.input_source != Gdk.InputSource.KEYBOARD && pointer))
+            GLib.List<weak Gdk.Device?> list = manager.list_devices(Gdk.DeviceType.MASTER);
 
+            foreach(var device in list) {
                 device.ungrab(Gdk.CURRENT_TIME);
-        }
+            }
+        #endif
     }
 
     /////////////////////////////////////////////////////////////////////
     /// Code roughly from Gnome-Do/Synapse.
     /////////////////////////////////////////////////////////////////////
 
-    private static bool try_grab_window(Gdk.Window window, bool keyboard, bool pointer, bool owner_events) {
-        var display = Gdk.Display.get_default();
-        var manager = display.get_device_manager();
+    private static bool try_grab_window(Gdk.Window window) {
+        #if HAVE_GTK_3_20
+            // try again if window is not yet viewable
+            if (!window.is_viewable()) return false;
 
-        bool grabbed_all = true;
+            var seat = Gdk.Display.get_default().get_default_seat();
+            var caps = Gdk.SeatCapabilities.POINTER | Gdk.SeatCapabilities.KEYBOARD;
+            var result = seat.grab(window, caps, true, null, null, null);
 
-        GLib.List<weak Gdk.Device?> list = manager.list_devices(Gdk.DeviceType.MASTER);
+            // for some reason GDK hides the window if the grab fails...
+            if (result != Gdk.GrabStatus.SUCCESS) {
+                window.show();
+            }
+
+            // continue trying to grab if it failed!
+            return result == Gdk.GrabStatus.SUCCESS;
+        #else
+            var display = Gdk.Display.get_default();
+            var manager = display.get_device_manager();
 
-        foreach(var device in list) {
-            if ((device.input_source == Gdk.InputSource.KEYBOARD && keyboard)
-             || (device.input_source != Gdk.InputSource.KEYBOARD && pointer)) {
+            bool grabbed_all = true;
 
-                var status = device.grab(window, Gdk.GrabOwnership.APPLICATION, owner_events,
+            GLib.List<weak Gdk.Device?> list = manager.list_devices(Gdk.DeviceType.MASTER);
+
+            foreach(var device in list) {
+                var status = device.grab(window, Gdk.GrabOwnership.APPLICATION, true,
                                          Gdk.EventMask.ALL_EVENTS_MASK, null, Gdk.CURRENT_TIME);
 
                 if (status != Gdk.GrabStatus.SUCCESS)
                     grabbed_all = false;
             }
-        }
 
-        if (grabbed_all)
-            return true;
+            if (grabbed_all)
+                return true;
 
-        ungrab(keyboard, pointer);
+            ungrab();
 
-        return false;
+            return false;
+        #endif
     }
 }
 
diff --git a/src/utilities/key.vala b/src/utilities/key.vala
index 432c40e..93e18b5 100644
--- a/src/utilities/key.vala
+++ b/src/utilities/key.vala
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////
-// Copyright (c) 2011-2016 by Simon Schneegans
+// Copyright (c) 2011-2017 by Simon Schneegans
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
diff --git a/src/utilities/logger.vala b/src/utilities/logger.vala
index ecc551e..48f27c6 100644
--- a/src/utilities/logger.vala
+++ b/src/utilities/logger.vala
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////
-// Copyright (c) 2011-2016 by Simon Schneegans
+// Copyright (c) 2011-2017 by Simon Schneegans
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
@@ -29,33 +29,33 @@ public class Logger {
     /// If these are set to false, the according messages are not shown
     /////////////////////////////////////////////////////////////////////
 
-    private static const bool display_debug = true;
-    private static const bool display_warning = true;
-    private static const bool display_error = true;
-    private static const bool display_message = true;
+    private const bool display_debug = true;
+    private const bool display_warning = true;
+    private const bool display_error = true;
+    private const bool display_message = true;
 
     /////////////////////////////////////////////////////////////////////
     /// If these are set to false, the according messages are not logged
     /////////////////////////////////////////////////////////////////////
 
-    private static const bool log_debug = false;
-    private static const bool log_warning = true;
-    private static const bool log_error = true;
-    private static const bool log_message = true;
+    private const bool log_debug = false;
+    private const bool log_warning = true;
+    private const bool log_error = true;
+    private const bool log_message = true;
 
     /////////////////////////////////////////////////////////////////////
     /// If true, a time stamp is shown in each message.
     /////////////////////////////////////////////////////////////////////
 
-    private static const bool display_time = false;
-    private static const bool log_time = true;
+    private const bool display_time = false;
+    private const bool log_time = true;
 
     /////////////////////////////////////////////////////////////////////
     /// If true, the origin of the message is shown. In form file:line
     /////////////////////////////////////////////////////////////////////
 
-    private static const bool display_file = false;
-    private static const bool log_file = false;
+    private const bool display_file = false;
+    private const bool log_file = false;
 
     /////////////////////////////////////////////////////////////////////
     /// A regex, used to format the standard message.
@@ -67,7 +67,7 @@ public class Logger {
     /// Limit log and statistics size to roughly 1 MB.
     /////////////////////////////////////////////////////////////////////
 
-    private static const int max_log_length = 1000000;
+    private const int max_log_length = 1000000;
 
     private static int log_length;
 
diff --git a/src/utilities/paths.vala b/src/utilities/paths.vala
index 68c5384..f076ddc 100644
--- a/src/utilities/paths.vala
+++ b/src/utilities/paths.vala
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////
-// Copyright (c) 2011-2016 by Simon Schneegans
+// Copyright (c) 2011-2017 by Simon Schneegans
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
@@ -150,9 +150,7 @@ public class Paths : GLib.Object {
             Gtk.IconTheme.get_default().append_search_path(path);
         }
 
-        Gtk.IconTheme.get_default().append_search_path("/usr/share/pixmaps/");
-        Gtk.IconTheme.get_default().append_search_path("/usr/share/icons/hicolor/scalable/apps");
-        Gtk.IconTheme.get_default().append_search_path("/usr/local/share/icons/hicolor/scalable/apps");
+        Gtk.IconTheme.get_default().append_search_path(GLib.Environment.get_home_dir() + ".icons");
 
         // get global paths
         var default_dir = GLib.File.new_for_path("/usr/share/gnome-pie/");
diff --git a/src/utilities/trigger.vala b/src/utilities/trigger.vala
index aeed3fb..ac236cd 100644
--- a/src/utilities/trigger.vala
+++ b/src/utilities/trigger.vala
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////
-// Copyright (c) 2011-2016 by Simon Schneegans
+// Copyright (c) 2011-2017 by Simon Schneegans
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by