From bc55617f81b880b5eb82f7f30ab6c15c86602986 Mon Sep 17 00:00:00 2001
From: Jaidyn Ann <jadedctrl@teknik.io>
Date: Wed, 14 Jul 2021 15:13:36 -0500
Subject: [PATCH] (librunview) URL highlighting

---
 libs/librunview/RunView.cpp | 43 +++++++++++++++++++++++++++++++++++++
 libs/librunview/RunView.h   | 10 ++++++---
 2 files changed, 50 insertions(+), 3 deletions(-)

diff --git a/libs/librunview/RunView.cpp b/libs/librunview/RunView.cpp
index 4ca7221..0b8ec6f 100644
--- a/libs/librunview/RunView.cpp
+++ b/libs/librunview/RunView.cpp
@@ -17,6 +17,11 @@ RunView::RunView(const char* name)
 
 	text_run run = { 0, BFont(), ui_color(B_PANEL_TEXT_COLOR) };
 	fDefaultRun = { 1, {run} };
+
+	BFont urlFont;
+	urlFont.SetFace(B_UNDERSCORE_FACE);
+	text_run urlRun = { 0, urlFont, ui_color(B_LINK_TEXT_COLOR) };
+	fUrlRun = { 1, {urlRun} };
 }
 
 
@@ -42,3 +47,41 @@ RunView::Append(const char* text)
 		Insert(text, &fDefaultRun);
 	fLastStyled = false;
 }
+
+
+void
+RunView::Insert(const char* text, const text_run_array* runs)
+{
+	BString buf(text);
+
+	int32 urlOffset  = 0;
+	int32 lastEnd = 0;
+	while (lastEnd < buf.CountChars() && urlOffset != B_ERROR)
+	{
+		urlOffset = buf.FindFirst("://", lastEnd);
+
+		int32 urlStart = buf.FindLast(" ", urlOffset) + 1;
+		int32 urlEnd = buf.FindFirst(" ", urlOffset);
+		if (urlStart == B_ERROR || urlOffset == B_ERROR)
+			urlStart = lastEnd;
+		if (urlEnd == B_ERROR || urlOffset == B_ERROR)
+			urlEnd = buf.CountChars();
+
+		BString url;
+		BString nonurl;
+		if (urlOffset == B_ERROR)
+			buf.CopyCharsInto(nonurl, urlStart, urlEnd - urlStart);
+		else {
+			buf.CopyCharsInto(nonurl, lastEnd, urlStart - lastEnd);
+			buf.CopyCharsInto(url, urlStart, urlEnd - urlStart);
+		}
+
+		// Actually insert the text
+		if (nonurl.IsEmpty() == false)
+			BTextView::Insert(nonurl.String(), runs);
+		if (url.IsEmpty() == false)
+			BTextView::Insert(url.String(), &fUrlRun);
+
+		lastEnd = urlEnd;
+	}
+}
diff --git a/libs/librunview/RunView.h b/libs/librunview/RunView.h
index c376759..4e5c6ac 100644
--- a/libs/librunview/RunView.h
+++ b/libs/librunview/RunView.h
@@ -12,13 +12,17 @@ class RunView : public BTextView {
 public:
 	RunView(const char* name);
 
-	void	Append(const char* text, rgb_color color,
-				uint16 fontFace = B_REGULAR_FACE);
-	void	Append(const char* text);
+			void	Append(const char* text, rgb_color color,
+						uint16 fontFace = B_REGULAR_FACE);
+			void	Append(const char* text);
+
+	// Only differs in that it changes font face and color of any URLs
+	virtual void	Insert(const char* text, const text_run_array* runs = NULL);
 
 private:
 	bool fLastStyled;
 	text_run_array fDefaultRun;
+	text_run_array fUrlRun;
 };
 
 #endif // _RUN_VIEW_H