From dec6f963cbedb093370f8d9559e357e72a31df90 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Daniel=20Ekl=C3=B6f?= <daniel@ekloef.se>
Date: Wed, 9 Sep 2020 18:45:10 +0200
Subject: [PATCH] selection: add selection_<type>_has_data()

Returns true when there is data available for paste in the
clipboard/primary selection.
---
 selection.c | 12 ++++++++++++
 selection.h |  3 +++
 2 files changed, 15 insertions(+)

diff --git a/selection.c b/selection.c
index b423fcca..f1129b03 100644
--- a/selection.c
+++ b/selection.c
@@ -661,6 +661,18 @@ selection_cancel(struct terminal *term)
     term->selection.ongoing = false;
 }
 
+bool
+selection_clipboard_has_data(const struct seat *seat)
+{
+    return seat->clipboard.data_offer != NULL;
+}
+
+bool
+selection_primary_has_data(const struct seat *seat)
+{
+    return seat->primary.data_offer != NULL;
+}
+
 void
 selection_clipboard_unset(struct seat *seat)
 {
diff --git a/selection.h b/selection.h
index 178a990b..547da2fc 100644
--- a/selection.h
+++ b/selection.h
@@ -33,6 +33,9 @@ void selection_mark_row(
 void selection_clipboard_unset(struct seat *seat);
 void selection_primary_unset(struct seat *seat);
 
+bool selection_clipboard_has_data(const struct seat *seat);
+bool selection_primary_has_data(const struct seat *seat);
+
 char *selection_to_text(const struct terminal *term);
 void selection_to_clipboard(
     struct seat *seat, struct terminal *term, uint32_t serial);