From 8ca5ab3f25fa57c5bd6991eb8c54da80e015d3a3 Mon Sep 17 00:00:00 2001
From: lisyarus <lisyarus@gmail.com>
Date: Tue, 10 May 2022 12:01:46 +0300
Subject: [PATCH] Support whole-word caret movement in ui::edit

---
 libs/ui/source/edit.cpp | 30 ++++++++++++++++++++++++++----
 1 file changed, 26 insertions(+), 4 deletions(-)

diff --git a/libs/ui/source/edit.cpp b/libs/ui/source/edit.cpp
index 4a00c769..56bee447 100644
--- a/libs/ui/source/edit.cpp
+++ b/libs/ui/source/edit.cpp
@@ -196,19 +196,41 @@ namespace psemek::ui
 		{
 			if (e.key == SDLK_LEFT)
 			{
-				if (caret_ > 0)
+				if (ctrl_down_)
 				{
-					--caret_;
+					std::size_t start = caret_;
+					while (start > 0 && std::isspace(text_[start - 1])) --start;
+					while (start > 0 && !std::isspace(text_[start - 1])) --start;
+					caret_ = start;
 					reset_caret();
 				}
+				else
+				{
+					if (caret_ > 0)
+					{
+						--caret_;
+						reset_caret();
+					}
+				}
 			}
 			else if (e.key == SDLK_RIGHT)
 			{
-				if (caret_ < text_.size())
+				if (ctrl_down_)
 				{
-					++caret_;
+					std::size_t end = caret_;
+					while (end < text_.size() && !std::isspace(text_[end])) ++end;
+					while (end < text_.size() && std::isspace(text_[end])) ++end;
+					caret_ = end;
 					reset_caret();
 				}
+				else
+				{
+					if (caret_ < text_.size())
+					{
+						++caret_;
+						reset_caret();
+					}
+				}
 			}
 			else if (e.key == SDLK_HOME)
 			{