[gnome-control-center] wacom: Map the GsdDevice to a GdkDevice when spawning the calibrator

[Carlos Garnacho <carlosg src gnome org>]

commit 42489e25093f79396dce03963ec764a8a2aaf2d8
Author: Carlos Garnacho <carlosg gnome org>
Date:   Fri Jun 16 18:15:23 2017 +0200

    wacom: Map the GsdDevice to a GdkDevice when spawning the calibrator
    
    This makes the calibrator only reactive to the tablet being calibrated
    again.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=782040

 panels/wacom/cc-wacom-page.c |   51 +++++++++++++++++++++++++++++++++++++++++-
 1 files changed, 50 insertions(+), 1 deletions(-)
---
diff --git a/panels/wacom/cc-wacom-page.c b/panels/wacom/cc-wacom-page.c
index 53bb835..e8c5ca9 100644
--- a/panels/wacom/cc-wacom-page.c
+++ b/panels/wacom/cc-wacom-page.c
@@ -28,6 +28,12 @@
 #include <glib/gi18n-lib.h>
 #include <gtk/gtk.h>
 #include <gdesktop-enums.h>
+#ifdef GDK_WINDOWING_X11
+#include <gdk/gdkx.h>
+#endif
+#ifdef GDK_WINDOWING_WAYLAND
+#include <gdk/gdkwayland.h>
+#endif
 
 #include "cc-wacom-device.h"
 #include "cc-wacom-button-row.h"
@@ -37,6 +43,7 @@
 #include "cc-wacom-stylus-page.h"
 #include "gsd-enums.h"
 #include "calibrator-gui.h"
+#include "gsd-input-helper.h"
 
 #include <string.h>
 
@@ -204,6 +211,48 @@ finish_calibration (CalibArea *area,
        gtk_widget_set_sensitive (WID ("button-calibrate"), TRUE);
 }
 
+static GdkDevice *
+cc_wacom_page_get_gdk_device (CcWacomPage *page)
+{
+       GsdDevice *gsd_device;
+       GdkDevice *gdk_device = NULL;
+       GdkDeviceManager *device_manager;
+       GdkDisplay *display;
+       GList *slaves, *l;
+
+       gsd_device = cc_wacom_device_get_device (page->priv->stylus);
+       g_return_val_if_fail (GSD_IS_DEVICE (gsd_device), NULL);
+
+       display = gtk_widget_get_display (GTK_WIDGET (page));
+       device_manager = gdk_display_get_device_manager (display);
+       slaves = gdk_device_manager_list_devices (device_manager, GDK_DEVICE_TYPE_SLAVE);
+
+       for (l = slaves; l && !gdk_device; l = l->next) {
+               gchar *device_node = NULL;
+
+               if (gdk_device_get_source (l->data) != GDK_SOURCE_PEN)
+                       continue;
+
+#ifdef GDK_WINDOWING_X11
+               if (GDK_IS_X11_DISPLAY (display))
+                       device_node = xdevice_get_device_node (gdk_x11_device_get_id (l->data));
+#endif
+#ifdef GDK_WINDOWING_WAYLAND
+               if (GDK_IS_WAYLAND_DISPLAY (display))
+                       device_node = g_strdup (gdk_wayland_device_get_node_path (l->data));
+#endif
+
+               if (g_strcmp0 (device_node, gsd_device_get_device_file (gsd_device)) == 0)
+                       gdk_device = l->data;
+
+               g_free (device_node);
+       }
+
+       g_list_free (slaves);
+
+       return gdk_device;
+}
+
 static gboolean
 run_calibration (CcWacomPage *page,
                 GVariant    *old_calibration,
@@ -224,7 +273,7 @@ run_calibration (CcWacomPage *page,
 
        priv->area = calib_area_new (NULL,
                                     monitor,
-                                    NULL, /* FIXME: Pass GdkDevice/ClutterInputDevice */
+                                    cc_wacom_page_get_gdk_device (page),
                                     finish_calibration,
                                     page,
                                     &old_axis,