From: Mikko Rasa <tdb@tdb.fi>
Date: Fri, 27 Sep 2019 11:29:46 +0000 (+0300)
Subject: Add a signal for selection changes in Entry
X-Git-Url: http://git.tdb.fi/?a=commitdiff_plain;h=b391f4b774d17c53dfd9062fc7c7a6b14f72f926;p=libs%2Fgltk.git

Add a signal for selection changes in Entry
---

diff --git a/source/entry.cpp b/source/entry.cpp
index 1c66f98..f75f200 100644
--- a/source/entry.cpp
+++ b/source/entry.cpp
@@ -395,6 +395,7 @@ void Entry::move_edit_position(Navigation nav, bool select)
 void Entry::adjust_edit_position_for_change(unsigned pos, int change)
 {
 	unsigned old_edit_pos = edit_pos;
+	unsigned old_select_pos = selection_pos;
 
 	if(change>0)
 	{
@@ -413,10 +414,17 @@ void Entry::adjust_edit_position_for_change(unsigned pos, int change)
 
 	if(edit_pos!=old_edit_pos)
 		signal_edit_position_changed.emit(edit_pos);
+	if(selection_active && (edit_pos!=old_edit_pos || selection_pos!=old_select_pos))
+	{
+		unsigned start, end;
+		if(get_selection(start, end))
+			signal_selection_changed.emit(start, end);
+	}
 }
 
 void Entry::set_edit_position(unsigned ep, bool select)
 {
+	bool selection_was_active = selection_active;
 	if(select && !selection_active)
 		selection_pos = edit_pos;
 	selection_active = select;
@@ -425,7 +433,14 @@ void Entry::set_edit_position(unsigned ep, bool select)
 	edit_pos = min(ep, text.size());
 
 	if(edit_pos!=old_edit_pos)
+	{
 		signal_edit_position_changed.emit(edit_pos);
+		unsigned start, end;
+		if(get_selection(start, end))
+			signal_selection_changed.emit(start, end);
+		else if(selection_was_active)
+			signal_selection_changed.emit(edit_pos, edit_pos);
+	}
 
 	if(multiline)
 		check_view_range();
diff --git a/source/entry.h b/source/entry.h
index da29a51..165b7c7 100644
--- a/source/entry.h
+++ b/source/entry.h
@@ -33,6 +33,7 @@ public:
 
 	sigc::signal<void, unsigned> signal_edit_position_changed;
 	sigc::signal<void, unsigned> signal_scroll_position_changed;
+	sigc::signal<void, unsigned, unsigned> signal_selection_changed;
 	sigc::signal<void, const std::string &> signal_text_changed;
 
 	// Deprecated