Lots of updates:

1. Scrolling and click to set the cursor works.
2. GUI now uses Brass Mono as the font.
3. A lot of stability and other updates.

Editor.h

@@ -11,6 +11,7 @@
 
 #include "Buffer.h"
 
+
 class Editor {
 public:
 	Editor();
@@ -116,6 +117,189 @@ public:
 	}
 
 
+	// --- Minimal search state for incremental search (milestone 6) ---
+	void SetSearchActive(bool on)
+	{
+		search_active_ = on;
+	}
+
+
+	[[nodiscard]] bool SearchActive() const
+	{
+		return search_active_;
+	}
+
+
+	void SetSearchQuery(const std::string &q)
+	{
+		search_query_ = q;
+	}
+
+
+	[[nodiscard]] const std::string &SearchQuery() const
+	{
+		return search_query_;
+	}
+
+
+	void SetSearchMatch(std::size_t y, std::size_t x, std::size_t len)
+	{
+		search_y_   = y;
+		search_x_   = x;
+		search_len_ = len;
+	}
+
+
+	[[nodiscard]] std::size_t SearchMatchY() const
+	{
+		return search_y_;
+	}
+
+
+	[[nodiscard]] std::size_t SearchMatchX() const
+	{
+		return search_x_;
+	}
+
+
+	[[nodiscard]] std::size_t SearchMatchLen() const
+	{
+		return search_len_;
+	}
+
+
+	// Additional helpers for search session bookkeeping
+	void SetSearchOrigin(std::size_t x, std::size_t y, std::size_t rowoffs, std::size_t coloffs)
+	{
+		search_origin_set_   = true;
+		search_orig_x_       = x;
+		search_orig_y_       = y;
+		search_orig_rowoffs_ = rowoffs;
+		search_orig_coloffs_ = coloffs;
+	}
+
+
+	void ClearSearchOrigin()
+	{
+		search_origin_set_ = false;
+		search_orig_x_     = search_orig_y_ = search_orig_rowoffs_ = search_orig_coloffs_ = 0;
+	}
+
+
+	[[nodiscard]] bool SearchOriginSet() const
+	{
+		return search_origin_set_;
+	}
+
+
+	[[nodiscard]] std::size_t SearchOrigX() const
+	{
+		return search_orig_x_;
+	}
+
+
+	[[nodiscard]] std::size_t SearchOrigY() const
+	{
+		return search_orig_y_;
+	}
+
+
+	[[nodiscard]] std::size_t SearchOrigRowoffs() const
+	{
+		return search_orig_rowoffs_;
+	}
+
+
+	[[nodiscard]] std::size_t SearchOrigColoffs() const
+	{
+		return search_orig_coloffs_;
+	}
+
+
+	void SetSearchIndex(int i)
+	{
+		search_index_ = i;
+	}
+
+
+	[[nodiscard]] int SearchIndex() const
+	{
+		return search_index_;
+	}
+
+
+	// --- Generic Prompt subsystem (for search, open-file, save-as, etc.) ---
+	enum class PromptKind { None = 0, Search, OpenFile, SaveAs, Confirm };
+
+
+	void StartPrompt(PromptKind kind, const std::string &label, const std::string &initial)
+	{
+		prompt_active_ = true;
+		prompt_kind_   = kind;
+		prompt_label_  = label;
+		prompt_text_   = initial;
+	}
+
+
+	void CancelPrompt()
+	{
+		prompt_active_ = false;
+		prompt_kind_   = PromptKind::None;
+		prompt_label_.clear();
+		prompt_text_.clear();
+	}
+
+
+	void AcceptPrompt()
+	{
+		// Editor-level accept only ends prompt; commands act on value.
+		prompt_active_ = false;
+	}
+
+
+	void SetPromptText(const std::string &t)
+	{
+		prompt_text_ = t;
+	}
+
+
+	void AppendPromptText(const std::string &t)
+	{
+		prompt_text_ += t;
+	}
+
+
+	void BackspacePromptText()
+	{
+		if (!prompt_text_.empty())
+			prompt_text_.pop_back();
+	}
+
+
+	[[nodiscard]] bool PromptActive() const
+	{
+		return prompt_active_;
+	}
+
+
+	[[nodiscard]] PromptKind CurrentPromptKind() const
+	{
+		return prompt_kind_;
+	}
+
+
+	[[nodiscard]] const std::string &PromptLabel() const
+	{
+		return prompt_label_;
+	}
+
+
+	[[nodiscard]] const std::string &PromptText() const
+	{
+		return prompt_text_;
+	}
+
+
 	// Buffers
 	[[nodiscard]] std::size_t BufferCount() const
 	{
@@ -172,6 +356,22 @@ private:
 
 	std::vector<Buffer> buffers_;
 	std::size_t curbuf_ = 0; // index into buffers_
+
+	// Search state
+	bool search_active_ = false;
+	std::string search_query_;
+	std::size_t search_y_ = 0, search_x_ = 0, search_len_ = 0;
+	// Search session bookkeeping
+	bool search_origin_set_          = false;
+	std::size_t search_orig_x_       = 0, search_orig_y_       = 0;
+	std::size_t search_orig_rowoffs_ = 0, search_orig_coloffs_ = 0;
+	int search_index_                = -1;
+
+	// Prompt state
+	bool prompt_active_     = false;
+	PromptKind prompt_kind_ = PromptKind::None;
+	std::string prompt_label_;
+	std::string prompt_text_;
 };
 
 #endif // KTE_EDITOR_H