From 4277763df5c1dac8ff389d3bfd138f03acc7f1e2 Mon Sep 17 00:00:00 2001
From: dec05eba <dec05eba@protonmail.com>
Date: Mon, 28 Sep 2020 13:32:34 +0200
Subject: Implement text editing with navigation and multilingual fonts

---
 include/Text.hpp | 30 +++++++++++++++++++++---------
 1 file changed, 21 insertions(+), 9 deletions(-)

(limited to 'include/Text.hpp')

diff --git a/include/Text.hpp b/include/Text.hpp
index bc6f7ab..d34fd47 100644
--- a/include/Text.hpp
+++ b/include/Text.hpp
@@ -1,15 +1,18 @@
 #pragma once
 
 #include <SFML/Graphics/VertexArray.hpp>
-#include <SFML/Graphics/Font.hpp>
-#include <SFML/Graphics/RenderTarget.hpp>
-#include <SFML/Window/Event.hpp>
 #include <SFML/System/String.hpp>
 #include <SFML/System/Clock.hpp>
 #include <vector>
 #include "types.hpp"
 #include <assert.h>
 
+namespace sf {
+    class Font;
+    class Event;
+    class RenderTarget;
+}
+
 namespace QuickMedia
 {
     struct StringViewUtf32 {
@@ -69,6 +72,7 @@ namespace QuickMedia
         void setLineSpacing(float lineSpacing);
         void setCharacterSpacing(float characterSpacing);
         void setEditable(bool editable);
+        bool isEditable() const;
 
         // Note: won't update until @draw is called
         float getWidth() const;
@@ -92,21 +96,27 @@ namespace QuickMedia
             HOME,
             END
         };
-        
-#if 0
+
+        struct VertexRef {
+            int vertices_index;     // index to |vertices| VertexArray
+            int index;              // index within vertices[vertices_index]
+            int line;
+            sf::Uint32 codepoint;
+        };
+
         void updateCaret();
-        bool isCaretAtEnd() const;
         int getStartOfLine(int startIndex) const;
         int getEndOfLine(int startIndex) const;
-        int getRowByPosition(const sf::Vector2f &position) const;
         
         int getPreviousLineClosestPosition(int startIndex) const;
         int getNextLineClosestPosition(int startIndex) const;
-#endif
 
         void splitTextByFont();
+
+        float get_text_quad_left_side(const VertexRef &vertex_ref) const;
+        float get_text_quad_right_side(const VertexRef &vertex_ref) const;
     private:
-        sf::String str;
+        sf::String str; // TODO: Remove this for non-editable text???
         const sf::Font *font;
         const sf::Font *cjk_font;
         unsigned int characterSize;
@@ -131,5 +141,7 @@ namespace QuickMedia
         sf::Vector2f caretPosition;
         sf::Clock lastSeenTimer;
         sf::Vector2u renderTargetSize;
+
+        std::vector<VertexRef> vertices_linear; // TODO: Use textElements instead
     };
 }
-- 
cgit v1.2.3