From ec6f14eef47cb7246367ebeef32f9868fb9168c8 Mon Sep 17 00:00:00 2001
From: Thomas Goyne <plorkyeran@aegisub.org>
Date: Tue, 22 Apr 2014 17:01:22 -0700
Subject: [PATCH] Make double-click in the edit box smarter

Use the syntax highlighting's word splitting to decide what to select so
that double-clicking on \Nword only selects 'word'.
---
 src/subs_edit_ctrl.cpp | 9 +++++++++
 src/subs_edit_ctrl.h   | 1 +
 2 files changed, 10 insertions(+)

diff --git a/src/subs_edit_ctrl.cpp b/src/subs_edit_ctrl.cpp
index ac5ffead7..e7c17db24 100644
--- a/src/subs_edit_ctrl.cpp
+++ b/src/subs_edit_ctrl.cpp
@@ -122,6 +122,7 @@ SubsTextEditCtrl::SubsTextEditCtrl(wxWindow* parent, wxSize wsize, long style, a
 
 	Bind(wxEVT_CONTEXT_MENU, &SubsTextEditCtrl::OnContextMenu, this);
 	Bind(wxEVT_IDLE, std::bind(&SubsTextEditCtrl::UpdateCallTip, this));
+	Bind(wxEVT_STC_DOUBLECLICK, &SubsTextEditCtrl::OnDoubleClick, this);
 	Bind(wxEVT_STC_STYLENEEDED, [=](wxStyledTextEvent&) {
 		{
 			std::string text = GetTextRaw().data();
@@ -349,6 +350,14 @@ void SubsTextEditCtrl::OnContextMenu(wxContextMenuEvent &event) {
 	PopupMenu(&menu);
 }
 
+void SubsTextEditCtrl::OnDoubleClick(wxStyledTextEvent &evt) {
+	auto bounds = GetBoundsOfWordAtPosition(evt.GetPosition());
+	if (bounds.second != 0)
+		SetSelection(bounds.first, bounds.first + bounds.second);
+	else
+		evt.Skip();
+}
+
 void SubsTextEditCtrl::AddSpellCheckerEntries(wxMenu &menu) {
 	if (currentWord.empty()) return;
 
diff --git a/src/subs_edit_ctrl.h b/src/subs_edit_ctrl.h
index 24f7ceac0..d708f8bb9 100644
--- a/src/subs_edit_ctrl.h
+++ b/src/subs_edit_ctrl.h
@@ -91,6 +91,7 @@ class SubsTextEditCtrl final : public ScintillaTextCtrl {
 	std::vector<agi::ass::DialogueToken> tokenized_line;
 
 	void OnContextMenu(wxContextMenuEvent &);
+	void OnDoubleClick(wxStyledTextEvent&);
 	void OnUseSuggestion(wxCommandEvent &event);
 	void OnSetDicLanguage(wxCommandEvent &event);
 	void OnSetThesLanguage(wxCommandEvent &event);