From 2fdbf96d6ff9828c946197e17d803f45510c2aa4 Mon Sep 17 00:00:00 2001
From: Wolfgang Müller
Date: Sun, 27 Aug 2023 17:10:39 +0200
Subject: Act as a drop destination for drag & drop

For now we support text and URIs. If file:// URIs are dropped, the
file:// prefix will be removed from each, and they will be unescaped and
quoted for use in the shell.
---
 terminal.ui   |  1 +
 terminal.vala | 34 ++++++++++++++++++++++++++++++++++
 2 files changed, 35 insertions(+)

diff --git a/terminal.ui b/terminal.ui
index 6d5d206..af94317 100644
--- a/terminal.ui
+++ b/terminal.ui
@@ -139,6 +139,7 @@
             <signal name="button-press-event" handler="vte_button_press" swapped="no"/>
             <signal name="button-release-event" handler="vte_button_release" swapped="no"/>
             <signal name="child-exited" handler="gtk_main_quit" swapped="no"/>
+            <signal name="drag-data-received" handler="vte_drag_data_received" swapped="no"/>
             <signal name="hyperlink-hover-uri-changed" handler="vte_hyperlink_hover" swapped="no"/>
             <signal name="key-press-event" handler="vte_key_press" swapped="no"/>
             <signal name="scroll-event" handler="vte_scroll" swapped="no"/>
diff --git a/terminal.vala b/terminal.vala
index 67256d4..fcb456c 100644
--- a/terminal.vala
+++ b/terminal.vala
@@ -70,6 +70,13 @@ class Terminal : Gtk.Overlay {
 		uri_context_menu.attach_to_widget(vte, null);
 		standard_context_menu.attach_to_widget(vte, null);
 
+		Gtk.TargetList targets = new Gtk.TargetList({});
+		targets.add_text_targets(0);
+		targets.add_uri_targets(1);
+
+		Gtk.drag_dest_set(vte, Gtk.DestDefaults.ALL, {}, Gdk.DragAction.COPY);
+		Gtk.drag_dest_set_target_list(vte, targets);
+
 		clipboard = Gtk.Clipboard.get_default(window.get_display());
 		primary = Gtk.Clipboard.get_for_display(window.get_display(), Gdk.SELECTION_PRIMARY);
 
@@ -591,4 +598,31 @@ class Terminal : Gtk.Overlay {
 		window.set_urgency_hint(false);
 		window.set_urgency_hint(true);
 	}
+
+	[GtkCallback]
+	void vte_drag_data_received(Gdk.DragContext context, int x, int y, Gtk.SelectionData selection_data, uint info, uint time_) {
+		if (info == 0) {
+			string text = selection_data.get_text();
+
+			if (text != null) {
+				vte.paste_text(text);
+			}
+		} else if (info == 1) {
+			string[] uris = selection_data.get_uris();
+			string text = "";
+
+			foreach (var uri in uris) {
+				if (uri == null || uri.length == 0)
+					continue;
+
+				if (uri.has_prefix("file://")) {
+					uri = Shell.quote(Uri.unescape_string(uri.substring(7)));
+				}
+
+				text = string.join(" ", text, uri);
+			}
+
+			vte.paste_text(text.strip());
+		}
+	}
 }
-- 
cgit v1.2.3-2-gb3c3