[gnome-flashback] screenshot: avoid deprecated GdkDeviceManager

[Alberts Muktupāvels <muktupavels src gnome org>]

commit e2e26f4cac594f96ea0f3c762510b7659d936be4
Author: Alberts Muktupāvels <alberts muktupavels gmail com>
Date:   Sat Dec 19 22:46:39 2015 +0200

    screenshot: avoid deprecated GdkDeviceManager

 gnome-flashback/libscreenshot/gf-screenshot.c  |   12 ++++----
 gnome-flashback/libscreenshot/gf-select-area.c |   33 ++++++------------------
 2 files changed, 14 insertions(+), 31 deletions(-)
---
diff --git a/gnome-flashback/libscreenshot/gf-screenshot.c b/gnome-flashback/libscreenshot/gf-screenshot.c
index 230ae67..d215a45 100644
--- a/gnome-flashback/libscreenshot/gf-screenshot.c
+++ b/gnome-flashback/libscreenshot/gf-screenshot.c
@@ -424,11 +424,11 @@ find_current_window (GdkDisplay *display)
 
   if (window == NULL)
     {
-      GdkDeviceManager *manager;
+      GdkSeat *seat;
       GdkDevice *device;
 
-      manager = gdk_display_get_device_manager (display);
-      device = gdk_device_manager_get_client_pointer (manager);
+      seat = gdk_display_get_default_seat (display);
+      device = gdk_seat_get_pointer (seat);
 
       window = gdk_device_get_window_at_position (device, NULL, NULL);
 
@@ -634,7 +634,7 @@ take_screenshot_real (GfScreenshot    *screenshot,
 
       if (cursor_pixbuf != NULL)
         {
-          GdkDeviceManager *manager;
+          GdkSeat *seat;
           GdkDevice *device;
           GdkRectangle rect;
           gint cx;
@@ -642,8 +642,8 @@ take_screenshot_real (GfScreenshot    *screenshot,
           gint xhot;
           gint yhot;
 
-          manager = gdk_display_get_device_manager (display);
-          device = gdk_device_manager_get_client_pointer (manager);
+          seat = gdk_display_get_default_seat (display);
+          device = gdk_seat_get_pointer (seat);
 
           if (wm_window != NULL)
             gdk_window_get_device_position (wm_window, device, &cx, &cy, NULL);
diff --git a/gnome-flashback/libscreenshot/gf-select-area.c b/gnome-flashback/libscreenshot/gf-select-area.c
index c3152ca..f477f30 100644
--- a/gnome-flashback/libscreenshot/gf-select-area.c
+++ b/gnome-flashback/libscreenshot/gf-select-area.c
@@ -282,10 +282,9 @@ gf_select_area_select (GfSelectArea *select_area,
 {
   GdkDisplay *display;
   GdkCursor *cursor;
-  GdkDeviceManager *manager;
-  GdkDevice *pointer;
-  GdkDevice *keyboard;
+  GdkSeat *seat;
   GdkWindow *window;
+  GdkSeatCapabilities capabilities;
   GdkGrabStatus status;
 
   *x = *y = *width = *height = 0;
@@ -294,40 +293,24 @@ gf_select_area_select (GfSelectArea *select_area,
 
   display = gdk_display_get_default ();
   cursor = gdk_cursor_new_for_display (display, GDK_CROSSHAIR);
-  manager = gdk_display_get_device_manager (display);
-  pointer = gdk_device_manager_get_client_pointer (manager);
-  keyboard = gdk_device_get_associated_device (pointer);
+  seat = gdk_display_get_default_seat (display);
   window = gtk_widget_get_window (select_area->window);
 
-  status = gdk_device_grab (pointer, window, GDK_OWNERSHIP_NONE, FALSE,
-                            GDK_POINTER_MOTION_MASK | GDK_BUTTON_PRESS_MASK |
-                            GDK_BUTTON_RELEASE_MASK,
-                            cursor, GDK_CURRENT_TIME);
+  capabilities = GDK_SEAT_CAPABILITY_POINTER |
+                 GDK_SEAT_CAPABILITY_KEYBOARD;
 
-  if (status != GDK_GRAB_SUCCESS)
-    {
-      g_object_unref (cursor);
-      return FALSE;
-    }
-
-  if (gdk_display_device_is_grabbed (display, keyboard))
-    gdk_device_ungrab (keyboard, GDK_CURRENT_TIME);
-
-  status = gdk_device_grab (keyboard, window, GDK_OWNERSHIP_NONE, FALSE,
-                            GDK_KEY_PRESS_MASK | GDK_KEY_RELEASE_MASK,
-                            NULL, GDK_CURRENT_TIME);
+  status = gdk_seat_grab (seat, window, capabilities, FALSE, cursor,
+                          NULL, NULL, NULL);
 
   if (status != GDK_GRAB_SUCCESS)
     {
-      gdk_device_ungrab (pointer, GDK_CURRENT_TIME);
       g_object_unref (cursor);
       return FALSE;
     }
 
   gtk_main ();
 
-  gdk_device_ungrab (pointer, GDK_CURRENT_TIME);
-  gdk_device_ungrab (keyboard, GDK_CURRENT_TIME);
+  gdk_seat_ungrab (seat);
 
   if (select_area->selected == FALSE)
     return FALSE;