[shotwell] Remove deprecated gdk_display_get_device_manager

[Jens Georg <jensgeorg src gnome org>]

commit eae3fa56c5e16447606e48dd587f55a976f2b922
Author: Jens Georg <mail jensge org>
Date:   Fri Mar 30 17:01:50 2018 +0200

    Remove deprecated gdk_display_get_device_manager

 src/AppWindow.vala             |    8 ++++----
 src/Page.vala                  |   10 +++++-----
 src/library/LibraryWindow.vala |    6 +++---
 src/sidebar/Tree.vala          |    4 ++--
 4 files changed, 14 insertions(+), 14 deletions(-)
---
diff --git a/src/AppWindow.vala b/src/AppWindow.vala
index 88a7934..a2d8681 100644
--- a/src/AppWindow.vala
+++ b/src/AppWindow.vala
@@ -191,15 +191,15 @@ public class FullscreenWindow : PageWindow {
     }
     
     private bool is_pointer_in_toolbar() {
-        Gdk.DeviceManager? devmgr = get_display().get_device_manager();
-        if (devmgr == null) {
-            debug("No device manager for display");
+        var seat = get_display().get_default_seat();
+        if (seat == null) {
+            debug("No seat for display");
             
             return false;
         }
         
         int py;
-        devmgr.get_client_pointer().get_position(null, null, out py);
+        seat.get_pointer().get_position(null, null, out py);
         
         int wy;
         toolbar.get_window().get_geometry(null, out wy, null, null);
diff --git a/src/Page.vala b/src/Page.vala
index 05ad483..14875f0 100644
--- a/src/Page.vala
+++ b/src/Page.vala
@@ -414,9 +414,9 @@ public abstract class Page : Gtk.ScrolledWindow {
         
         int x, y;
         Gdk.ModifierType mask;
-        AppWindow.get_instance().get_window().get_device_position(Gdk.Display.get_default().
-            get_device_manager().get_client_pointer(), out x, out y, out mask);
-        
+        var seat = Gdk.Display.get_default().get_default_seat();
+        AppWindow.get_instance().get_window().get_device_position(seat.get_pointer(), out x, out y, out 
mask);
+
         ctrl = (mask & Gdk.ModifierType.CONTROL_MASK) != 0;
         alt = (mask & Gdk.ModifierType.MOD1_MASK) != 0;
         shift = (mask & Gdk.ModifierType.SHIFT_MASK) != 0;
@@ -675,8 +675,8 @@ public abstract class Page : Gtk.ScrolledWindow {
             return false;
         }
         
-        event_source.get_window().get_device_position(Gdk.Display.get_default().get_device_manager()
-            .get_client_pointer(), out x, out y, out mask);
+        var seat = Gdk.Display.get_default().get_default_seat();
+        event_source.get_window().get_device_position(seat.get_pointer(), out x, out y, out mask);
         
         if (last_down.x < 0 || last_down.y < 0)
             return true;
diff --git a/src/library/LibraryWindow.vala b/src/library/LibraryWindow.vala
index 47a0ad9..b83b7d8 100644
--- a/src/library/LibraryWindow.vala
+++ b/src/library/LibraryWindow.vala
@@ -809,9 +809,9 @@ public class LibraryWindow : AppWindow {
     
     private Gdk.DragAction get_drag_action() {
         Gdk.ModifierType mask;
-        
-        get_window().get_device_position(Gdk.Display.get_default().get_device_manager()
-            .get_client_pointer(), null, null, out mask);
+
+        var seat = Gdk.Display.get_default().get_default_seat();
+        get_window().get_device_position(seat.get_pointer(), null, null, out mask);
 
         bool ctrl = (mask & Gdk.ModifierType.CONTROL_MASK) != 0;
         bool alt = (mask & Gdk.ModifierType.MOD1_MASK) != 0;
diff --git a/src/sidebar/Tree.vala b/src/sidebar/Tree.vala
index f63c916..1720cb4 100644
--- a/src/sidebar/Tree.vala
+++ b/src/sidebar/Tree.vala
@@ -811,8 +811,8 @@ public class Sidebar.Tree : Gtk.TreeView {
     private Gtk.TreePath? get_path_from_event(Gdk.EventButton event) {
         int x, y;
         Gdk.ModifierType mask;
-        event.window.get_device_position(Gdk.Display.get_default().get_device_manager().
-            get_client_pointer(), out x, out y, out mask);
+        var seat = event.get_seat();
+        event.window.get_device_position(seat.get_pointer(), out x, out y, out mask);
         
         int cell_x, cell_y;
         Gtk.TreePath path;