on_screen_keyboard: Ya dibuja el objeto básico en pantalla

units/on_screen_keyboard.cpp

@@ -1,19 +1,30 @@
 #include "on_screen_keyboard.h"
 
 // Constructor
-OnScreenKeyboard::OnScreenKeyboard(SDL_Renderer *renderer, Input *input, string iconFile, string bitmapFile, string textFile, options_t *options)
+OnScreenKeyboard::OnScreenKeyboard(SDL_Renderer *renderer, Input *input, string iconFile, string bitmapFile, string textFile, options_t *options, int width, int height, color_t color)
 {
     // Inicializa variables
     this->renderer = renderer;
     this->options = options;
     this->input = input;
+    this->width = width;
+    this->height = height;
 
     // Crea objetos
     iconTexture = new Texture(renderer, iconFile);
     text = new Text(textFile, bitmapFile, renderer);
+    texture = SDL_CreateTexture(renderer, SDL_PIXELFORMAT_RGBA8888, SDL_TEXTUREACCESS_TARGET, width, height);
 
     // Inicializa variables
-    letters = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";
+    char_upper = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
+    char_lower = "abcdefghijklmnopqrstuvwxyz";
+    char_numbers = "0123456789";
+    char_symbol = " !\"#$%&'()*+,-./:;<=>?@[]";
+    caption = "";
+    dest = {(options->screen.nativeWidth - width) / 2, (options->screen.nativeHeight - height) / 2, width, height};
+
+    // Rellena la textura de fondo con el color y el texto
+    fillTexture();
 }
 
 // Destructor
@@ -29,6 +40,37 @@ OnScreenKeyboard::~OnScreenKeyboard()
     {
         delete text;
     }
+
+    if (texture != nullptr)
+    {
+        SDL_DestroyTexture(texture);
+    }
+}
+
+// Rellena la textura de fondo con el color y el texto
+void OnScreenKeyboard::fillTexture()
+{
+    // Empieza a dibujar en la textura
+    SDL_SetRenderTarget(renderer, texture);
+
+    // Establece el color de fondo
+    SDL_SetRenderDrawColor(renderer, bgColor.r, bgColor.g, bgColor.b, 255);
+    SDL_RenderClear(renderer);
+
+    // Escribe el texto que aparece en el objeto
+    text->write(text->getCharacterSize(), text->getCharacterSize(), caption);
+
+    // Dibuja el cuadro donde va el texto que se escribirá
+    SDL_SetRenderDrawColor(renderer, bgColor.r - 10, bgColor.g - 10, bgColor.b - 10, 255);
+    const int x_rect = (text->getCharacterSize() * 2) + text->lenght(caption);
+    const int y_rect = text->getCharacterSize();
+    const int w_rect = width - text->getCharacterSize() - x_rect;
+    const int h_rect = text->getCharacterSize();
+    SDL_Rect rect = {x_rect, y_rect, w_rect, h_rect};
+    SDL_RenderFillRect(renderer, &rect);
+
+    // Deja de dibujar en la textura
+    SDL_SetRenderTarget(renderer, nullptr);
 }
 
 // Actualiza la lógica del objeto
@@ -39,5 +81,19 @@ void OnScreenKeyboard::update()
 // Dibuja el objeto en pantalla
 void OnScreenKeyboard::render()
 {
-    text->write(0,0,"ON_SCREEN_KEYBOARD");
+    SDL_RenderCopy(renderer, texture, nullptr, &dest);
+}
+
+// Establece el color de fondo
+void OnScreenKeyboard::setBgColor(color_t color)
+{
+    bgColor = color;
+    fillTexture();
+}
+
+// Establece el texto a mostrar junto al texto a introducir
+void OnScreenKeyboard::setCaption(string text)
+{
+    caption = text;
+    fillTexture();
 }