From e420db2896ec89210b076d832c56869c1f6d949e Mon Sep 17 00:00:00 2001
From: Sergio Valor <jaildesigner@gmail.com>
Date: Sat, 30 May 2026 11:19:41 +0200
Subject: [PATCH] =?UTF-8?q?fix(text):=20fallback=20de=20min=C3=BAscules=20?=
 =?UTF-8?q?a=20maj=C3=BAscules=20i=20glif=20de=20barra=20baixa=20(=5F)?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 data/shapes/font/char_underscore.shp |  9 +++++++++
 source/core/graphics/vector_text.cpp | 16 +++++++++++++++-
 2 files changed, 24 insertions(+), 1 deletion(-)
 create mode 100644 data/shapes/font/char_underscore.shp

diff --git a/data/shapes/font/char_underscore.shp b/data/shapes/font/char_underscore.shp
new file mode 100644
index 0000000..86db05e
--- /dev/null
+++ b/data/shapes/font/char_underscore.shp
@@ -0,0 +1,9 @@
+# char_underscore.shp - Símbolo _ (barra baja)
+# Dimensiones: 20×40 (blocky display)
+
+name: char_underscore
+scale: 1.0
+center: 10, 20
+
+# Línea horizontal abajo (bajo la baseline de las letras)
+line: 3,33  17,33
diff --git a/source/core/graphics/vector_text.cpp b/source/core/graphics/vector_text.cpp
index 1f6f59f..e730987 100644
--- a/source/core/graphics/vector_text.cpp
+++ b/source/core/graphics/vector_text.cpp
@@ -48,7 +48,7 @@ namespace Graphics {
         }
 
         // Cargar símbolos
-        const std::string SYMBOLS[] = {".", ",", "-", ":", "!", "?", "/", "(", ")"};
+        const std::string SYMBOLS[] = {".", ",", "-", ":", "!", "?", "/", "(", ")", "_"};
         for (const auto& sym : SYMBOLS) {
             char c = sym[0];
             std::string filename = getShapeFilename(c);
@@ -171,6 +171,8 @@ namespace Graphics {
                 return "font/char_lparen.shp";
             case ')':
                 return "font/char_rparen.shp";
+            case '_':
+                return "font/char_underscore.shp";
             case ' ':
                 return "";  // Espai es maneja sin load shape
 
@@ -183,6 +185,10 @@ namespace Graphics {
     }
 
     auto VectorText::isSupported(char c) const -> bool {
+        // Mateix fallback que render(): a-z es resol al glif A-Z.
+        if (c >= 'a' && c <= 'z') {
+            c -= 32;
+        }
         return chars_.contains(c);
     }
 
@@ -221,6 +227,14 @@ namespace Graphics {
                 continue;
             }
 
+            // Fallback de la font (només tenim glifs en majúscula): tractem
+            // les minúscules a-z com les seves majúscules A-Z. Mentre no hi
+            // haja glifs de minúscula, això evita que el text en minúscules
+            // (p. ex. rutes de fitxer) desaparega.
+            if (c >= 'a' && c <= 'z') {
+                c -= 32;
+            }
+
             // Verificar si el carácter está soportado
             auto it = chars_.find(c);
             if (it != chars_.end()) {