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  1. #ifndef DUI_BUTTON_HPP
  2. #define DUI_BUTTON_HPP
  3.  
  4. //Includes
  5. #include "Template.hpp"
  6. #include <SFML/Graphics/Text.hpp>
  7.  
  8. namespace dui {
  9. class Button : public Stencil {
  10. private:
  11.     sf::Text text;
  12.     bool clicked, clickable;
  13.     sf::Color bodyClicked, bodyNoHover, bodyHover;
  14.     sf::Color textClicked, textNoHover, textHover;
  15.     sf::Color bodyNonclickable, textNonclickable;
  16.     sf::Color borderClicked, borderNoHover, borderHover;
  17.     std::function<void(void)> onClickf;
  18.     sf::RectangleShape body, border;
  19.  
  20.     void drawHelper(sf::FloatRect& textbounds, sf::Color& bodyC, sf::Color& textC, sf::Color& borderC, sf::Color& gradientC) {
  21.         //draw body
  22.         body.setPosition(rect.left + 1, rect.top + 1);
  23.         body.setSize(sf::Vector2f(rect.width - 2,rect.height - 2));
  24.         body.setFillColor(bodyC);
  25.         window->draw(body);
  26.  
  27.         gradientC.r = bodyC.r - 20;
  28.         gradientC.g = bodyC.g - 20;
  29.         gradientC.b = bodyC.b - 20;
  30.         drawGradient(rect.left, rect.top - 1, rect.width, rect.height, gradientC);
  31.  
  32.         //draw text
  33.         text.setColor(textC);
  34.         text.setPosition(static_cast<int>(rect.left + rect.width/2 - textbounds.width/2), static_cast<int>(rect.top + rect.height/2 - textbounds.height/2));
  35.         window->draw(text);
  36.  
  37.         //draw border
  38.         drawOutlineRect(rect.left, rect.top, rect.width, rect.height, borderC);
  39.     }
  40. public:
  41.     Button(): clicked(false), clickable(true), 
  42.     bodyClicked(128,204,255), bodyNoHover(255,255,255), bodyHover(153,214,255),
  43.     textClicked(255,255,255), textNoHover(0,0,0,200), textHover(255,255,255),
  44.     bodyNonclickable(220,220,220), textNonclickable(0,0,0,100) {
  45.         text.setFont(defaultFont);
  46.         text.setString("Button");
  47.         text.setCharacterSize(10);
  48.         borderClicked = borderColor;
  49.         borderHover = borderColor;
  50.         borderNoHover = borderColor;
  51.     }
  52.  
  53.     void draw() {
  54.         sf::FloatRect textbounds = text.getLocalBounds();
  55.         updateHover();
  56.  
  57.         if(hover && sf::Mouse::isButtonPressed(sf::Mouse::Left))
  58.             clicked = true;
  59.         else
  60.             clicked = false;
  61.  
  62.         if(window == nullptr)
  63.             return; //Can't draw on a null window.
  64.         if(!enabled || !clickable) {
  65.             drawHelper(textbounds, bodyNonclickable,textNonclickable,borderNoHover,gradientColor);
  66.             return;
  67.         }
  68.         if(clicked) {
  69.             drawHelper(textbounds,bodyClicked,textClicked,borderClicked,gradientColor);
  70.             //Call the callback
  71.             if(onClickf && clicked) {
  72.                 onClickf();
  73.             }
  74.             return;
  75.         }
  76.         else if(hover) {
  77.             drawHelper(textbounds, bodyHover,textHover,borderHover, gradientColor);
  78.         }
  79.         else {
  80.             drawHelper(textbounds,bodyNoHover,textNoHover,borderNoHover,gradientColor);
  81.         }
  82.     }
  83.  
  84.     void draw(sf::RenderWindow& renderWindow) {
  85.         if(window == nullptr)
  86.             window = &renderWindow;
  87.         draw();
  88.     }
  89.  
  90.     void onClick(std::function<void(void)> func) {
  91.         onClickf = func;
  92.     }
  93.  
  94.     bool isClicked() const {
  95.         return clicked;
  96.     }
  97.  
  98.     void setText(const sf::String& str) {
  99.         text.setString(str);
  100.     }
  101. };
  102. } //namespace dui
  103.  
  104. #endif //DUI_BUTTON_HPP
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https://ideone.com/kT7vsH
language:
C++ (gcc 8.3)
created:
11 years ago
visibility:
secret

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