1 files changed, 96 insertions, 0 deletions
diff --git a/src/Chatbar.cpp b/src/Chatbar.cpp
new file mode 100644
index 0000000..14edba7
--- /dev/null
+++ b/src/Chatbar.cpp
@@ -0,0 +1,96 @@
+#include "../include/Chatbar.hpp"
+#include "../include/ResourceCache.hpp"
+#include "../include/Settings.hpp"
+#include <cmath>
+
+using namespace std;
+
+namespace dchat
+{
+    const float FONT_SIZE = 24;
+    const float BOX_PADDING_X = 15.0f;
+    const float BOX_PADDING_Y = 5.0f;
+    
+    Chatbar::Chatbar() : 
+        text("", ResourceCache::getFont("fonts/Roboto-Regular.ttf"), FONT_SIZE * Settings::getScaling()),
+        caretIndex(0)
+    {
+        text.setFillColor(sf::Color(240, 240, 240));
+        background.setFillColor(sf::Color(60, 60, 60));
+    }
+    
+    void Chatbar::addChar(sf::Uint32 codePoint)
+    {
+        auto str = text.getString();
+        str.insert(caretIndex, codePoint);
+        text.setString(str);
+        ++caretIndex;
+        caretOffset = text.findCharacterPos(caretIndex) - text.getPosition();
+    }
+    
+    const sf::String& Chatbar::getString() const
+    {
+        return text.getString();
+    }
+    
+    void Chatbar::removePreviousChar()
+    {
+        if(caretIndex > 0)
+        {
+            auto str = text.getString();
+            str.erase(caretIndex - 1);
+            text.setString(str);
+            --caretIndex;
+            caretOffset = text.findCharacterPos(caretIndex) - text.getPosition();
+        }
+    }
+    
+    void Chatbar::removeNextChar()
+    {
+        if(caretIndex < text.getString().getSize())
+        {
+            auto str = text.getString();
+            str.erase(caretIndex);
+            text.setString(str);
+        }
+    }
+    
+    void Chatbar::clear()
+    {
+        text.setString("");
+        caretIndex = 0;
+        caretOffset.x = 0.0f;
+        caretOffset.y = 0.0f;
+    }
+    
+    void Chatbar::moveCaretLeft()
+    {
+        caretIndex = max(0, caretIndex - 1);
+        // TODO: Use glyph size to optimize this, no need to iterate all glyphs
+        caretOffset = text.findCharacterPos(caretIndex) - text.getPosition();
+    }
+    
+    void Chatbar::moveCaretRight()
+    {
+        caretIndex = min((int)text.getString().getSize(), caretIndex + 1);
+        caretOffset = text.findCharacterPos(caretIndex) - text.getPosition();
+    }
+    
+    void Chatbar::draw(sf::RenderWindow &window)
+    {
+        auto windowSize = window.getSize();
+        
+        sf::Vector2f backgroundSize(floor(windowSize.x * 0.7f), floor(text.getCharacterSize() * 1.7f + BOX_PADDING_Y * 2.0f));
+        sf::Vector2f backgroundPos(floor(windowSize.x * 0.5f - backgroundSize.x * 0.5f), floor(windowSize.y - backgroundSize.y - 20.0f));
+        background.setSize(backgroundSize);
+        background.setPosition(backgroundPos);
+        text.setPosition(floor(backgroundPos.x + BOX_PADDING_X), floor(backgroundPos.y + backgroundSize.y * 0.5f - text.getCharacterSize() * 0.5f));
+        
+        window.draw(background);
+        window.draw(text);
+        
+        sf::RectangleShape caretShape(sf::Vector2f(2.0f, backgroundSize.y - BOX_PADDING_Y * 2.0f));
+        caretShape.setPosition(floor(text.getPosition().x + caretOffset.x), backgroundPos.y + BOX_PADDING_Y);
+        window.draw(caretShape);
+    }
+}