From 58b98e8c5c08e88316f8810ec9114bbe2e725912 Mon Sep 17 00:00:00 2001
From: Robin Gareus <robin@gareus.org>
Date: Sat, 27 May 2023 15:15:42 +0200
Subject: [PATCH] Prompter: add a reset to default option

---
 libs/widgets/prompter.cc        | 29 +++++++++++++++++++++++++++++
 libs/widgets/widgets/prompter.h | 12 +++++-------
 2 files changed, 34 insertions(+), 7 deletions(-)

diff --git a/libs/widgets/prompter.cc b/libs/widgets/prompter.cc
index a178cfc511..a6ef8fb876 100644
--- a/libs/widgets/prompter.cc
+++ b/libs/widgets/prompter.cc
@@ -18,6 +18,7 @@
  */
 
 #include <string>
+#include <gtkmm/image.h>
 #include <gtkmm/stock.h>
 
 #include "pbd/whitespace.h"
@@ -67,11 +68,17 @@ Prompter::init (bool with_cancel)
 	entryLabel.set_line_wrap (true);
 	entryLabel.set_name ("PrompterLabel");
 
+	Widget* w = manage (new Gtk::Image (Gtk::Stock::REVERT_TO_SAVED, Gtk::ICON_SIZE_MENU));
+	w->show ();
+	resetButton.add (*w);
+	resetButton.set_no_show_all ();
+
 	entryBox.set_homogeneous (false);
 	entryBox.set_spacing (5);
 	entryBox.set_border_width (10);
 	entryBox.pack_start (entryLabel, false, false);
 	entryBox.pack_start (entry, true, true);
+	entryBox.pack_start (resetButton, false, false);
 
 	get_vbox()->pack_start (entryBox);
 	show_all_children();
@@ -89,6 +96,26 @@ Prompter::set_allow_empty (bool yn)
 	}
 }
 
+void
+Prompter::set_initial_text (std::string txt, bool allow_replace)
+{
+	entry.set_text (txt);
+	entry.select_region (0, entry.get_text_length());
+	if (allow_replace) {
+		on_entry_changed ();
+	}
+	resetButton.set_sensitive (txt != default_text);
+}
+
+void
+Prompter::set_default_text (std::string const& txt)
+{
+	default_text = txt;
+	resetButton.show ();
+	resetButton.signal_clicked ().connect (sigc::track_obj([this] { entry.set_text (default_text);}, *this));
+	resetButton.set_sensitive (entry.get_text() != default_text);
+}
+
 void
 Prompter::on_show ()
 {
@@ -149,4 +176,6 @@ Prompter::on_entry_changed ()
 	} else {
 		set_response_sensitive (Gtk::RESPONSE_ACCEPT, false);
 	}
+
+	resetButton.set_sensitive (entry.get_text() != default_text);
 }
diff --git a/libs/widgets/widgets/prompter.h b/libs/widgets/widgets/prompter.h
index 7237007bac..1d4d58c9d8 100644
--- a/libs/widgets/widgets/prompter.h
+++ b/libs/widgets/widgets/prompter.h
@@ -22,6 +22,7 @@
 
 #include <string>
 #include <gtkmm/box.h>
+#include <gtkmm/button.h>
 #include <gtkmm/entry.h>
 #include <gtkmm/label.h>
 #include <gtkmm/dialog.h>
@@ -46,13 +47,8 @@ public:
 		entryLabel.set_label (prompt);
 	}
 
-	void set_initial_text (std::string txt, bool allow_replace = false) {
-		entry.set_text (txt);
-		entry.select_region (0, entry.get_text_length());
-		if (allow_replace) {
-			on_entry_changed ();
-		}
-	}
+	void set_initial_text (std::string txt, bool allow_replace = false);
+	void set_default_text (std::string const& txt);
 
 	void change_labels (std::string ok, std::string cancel);
 
@@ -69,9 +65,11 @@ private:
 	Gtk::Entry entry;
 	Gtk::HBox entryBox;
 	Gtk::Label entryLabel;
+	Gtk::Button resetButton;
 	bool first_show;
 	bool can_accept_from_entry;
 	bool allow_empty;
+	std::string default_text;
 
 	void init (bool with_cancel);
 	void entry_activated ();