From a8cb23a21a65bca28203ef79f931a4a8348ecba7 Mon Sep 17 00:00:00 2001
From: Marcel Hollerbach <mail@marcel-hollerbach.de>
Date: Sun, 12 Jan 2020 17:36:48 +0100
Subject: [PATCH] ecore_x: add API to request selection changed events for
 diff. wins

we need that in order to get seleciton per window events, which is
required to get a nice mapping onto the ecore_evas object.

Differential Revision: https://phab.enlightenment.org/D11193
---
 src/lib/ecore_x/Ecore_X.h       |  8 ++++++++
 src/lib/ecore_x/ecore_x_fixes.c | 20 ++++++++++++++++++++
 2 files changed, 28 insertions(+)

diff --git a/src/lib/ecore_x/Ecore_X.h b/src/lib/ecore_x/Ecore_X.h
index bb5aedf39e..45e208e4e0 100644
--- a/src/lib/ecore_x/Ecore_X.h
+++ b/src/lib/ecore_x/Ecore_X.h
@@ -2444,6 +2444,14 @@ EAPI void               ecore_x_root_screen_barriers_set(Ecore_X_Rectangle *scre
  */
 EAPI Eina_Bool          ecore_x_fixes_selection_notification_request(Ecore_X_Atom selection);
 
+/**
+ * xfixes selection notification request.
+ *
+ * In addition to ecore_x_fixes_selection_notification_request you can also specify for which window you want to get them
+ */
+EAPI Eina_Bool          ecore_x_fixes_window_selection_notification_request(Ecore_X_Window window, Ecore_X_Atom selection);
+
+
 /* XComposite Extension Support */
 EAPI Eina_Bool          ecore_x_composite_query(void);
 EAPI void               ecore_x_composite_redirect_window(Ecore_X_Window win, Ecore_X_Composite_Update_Type type);
diff --git a/src/lib/ecore_x/ecore_x_fixes.c b/src/lib/ecore_x/ecore_x_fixes.c
index 5582c3e3ef..4b659c2d8b 100644
--- a/src/lib/ecore_x/ecore_x_fixes.c
+++ b/src/lib/ecore_x/ecore_x_fixes.c
@@ -112,6 +112,26 @@ ecore_x_fixes_selection_notification_request(Ecore_X_Atom selection)
    return EINA_FALSE;
 }
 
+EAPI Eina_Bool
+ecore_x_fixes_window_selection_notification_request(Ecore_X_Window window, Ecore_X_Atom selection)
+{
+   EINA_SAFETY_ON_NULL_RETURN_VAL(_ecore_x_disp, EINA_FALSE);
+
+#ifdef ECORE_XFIXES
+   if (_fixes_available)
+     {
+        XFixesSelectSelectionInput (_ecore_x_disp,
+                                    window,
+                                    selection,
+                                    XFixesSetSelectionOwnerNotifyMask |
+                                    XFixesSelectionWindowDestroyNotifyMask |
+                                    XFixesSelectionClientCloseNotifyMask);
+        return EINA_TRUE;
+     }
+#endif
+   return EINA_FALSE;
+}
+
 EAPI Ecore_X_Region
 ecore_x_region_new(Ecore_X_Rectangle *rects,
                    int num)