Move from function pointers to std::function

src/UI/UI_button.cpp

@@ -1,6 +1,6 @@
 #include "UI_button.hpp"
 
-UI_button::UI_button(std::string id, std::string text, Color fg_color, Color bg_color, UI_button_on_click on_click)
+UI_button::UI_button(std::string id, std::string text, Color fg_color, Color bg_color, std::function<void(std::string)> on_click)
     : UI_item(id, UI_BUTTON_TYPE, text, 12, fg_color, bg_color)
 {
     this->p_on_click = on_click;

src/UI/UI_button.hpp

@@ -3,12 +3,11 @@
 #include "UI_item.hpp"
 
 #define UI_BUTTON_TYPE std::string("UIButton")
-typedef void(*UI_button_on_click)(std::string id);
 
 class UI_button : public UI_item
 {
     public:
-        UI_button(std::string id, std::string text, Color fg_color, Color bg_color, UI_button_on_click on_click);
+        UI_button(std::string id, std::string text, Color fg_color, Color bg_color, std::function<void(std::string)> on_click = nullptr);
         UI_button(const json& j);
     
         void from_json(const json& j) override;
@@ -16,5 +15,5 @@ class UI_button : public UI_item
 
         void click() const;
     private:
-        UI_button_on_click p_on_click = nullptr;
+        std::function<void(std::string)> p_on_click = nullptr;
 };

src/UI/UI_checkbox.cpp

@@ -5,7 +5,7 @@ UI_checkbox::UI_checkbox()
 {
 }
 
-UI_checkbox::UI_checkbox(std::string id, std::string text, Color fg_color, Color bg_color, std::vector<std::string> options, UI_checkbox_on_change on_change)
+UI_checkbox::UI_checkbox(std::string id, std::string text, Color fg_color, Color bg_color, std::vector<std::string> options, std::function<void(std::string, std::vector<std::string>)> on_change)
     : UI_x_boxes(id, UI_CHECKBOX_TYPE, text, fg_color, bg_color, options), p_selected(), p_on_change(on_change)
 {
 }

src/UI/UI_checkbox.hpp

@@ -4,13 +4,12 @@
 #include "UI_x_boxes.hpp"
 
 #define UI_CHECKBOX_TYPE std::string("UIcheckbox")
-typedef void (*UI_checkbox_on_change) (std::string id, std::vector<std::string> selected);
 
 class UI_checkbox : public UI_x_boxes
 {
     public:
         UI_checkbox();
-        UI_checkbox(std::string id, std::string text, Color fg_color, Color bg_color, std::vector<std::string> options, UI_checkbox_on_change on_change = nullptr);
+        UI_checkbox(std::string id, std::string text, Color fg_color, Color bg_color, std::vector<std::string> options, std::function<void(std::string, std::vector<std::string>)> on_change = nullptr);
         UI_checkbox(const json& j);
 
         void toggle_selected(size_t selected);
@@ -23,5 +22,5 @@ class UI_checkbox : public UI_x_boxes
     private:
         std::vector<bool> p_selected;
 
-        UI_checkbox_on_change p_on_change;
+        std::function<void(std::string, std::vector<std::string>)> p_on_change;
 };

src/UI/UI_combobox.cpp

@@ -5,16 +5,11 @@ UI_combobox::UI_combobox()
 {
 }
 
-UI_combobox::UI_combobox(std::string id, std::string text, Color fg_color, Color bg_color, std::vector<std::string> options, size_t selected, UI_combobox_on_change on_change)
+UI_combobox::UI_combobox(std::string id, std::string text, Color fg_color, Color bg_color, std::vector<std::string> options, size_t selected, std::function<void(std::string, std::string)> on_change)
     : UI_x_boxes(id, UI_COMBOBOX_TYPE, text, fg_color, bg_color, options), p_selected(selected), p_on_change(on_change)
 {
 }
 
-UI_combobox::UI_combobox(std::string id, std::string text, Color fg_color, Color bg_color, std::vector<std::string> options, UI_combobox_on_change on_change)
-    : UI_x_boxes(id, UI_COMBOBOX_TYPE, text, fg_color, bg_color, options), p_selected(0), p_on_change(on_change)
-{
-}
-
 UI_combobox::UI_combobox(const json& j)
 : UI_x_boxes(UI_COMBOBOX_TYPE), p_on_change(nullptr)
 {
@@ -28,7 +23,7 @@ void UI_combobox::set_selected(size_t selected)
         p_selected = selected;
         if (p_on_change != nullptr)
         {
-            p_on_change(p_id, selected);
+            p_on_change(p_id, selected_text());
         }
     }
 }

src/UI/UI_combobox.hpp

@@ -1,17 +1,16 @@
 #pragma once
 
+#include <functional>
 #include "UI_item.hpp"
 #include "UI_x_boxes.hpp"
 
 #define UI_COMBOBOX_TYPE std::string("UIcombobox")
-typedef void (*UI_combobox_on_change) (std::string id, size_t selected);
 
 class UI_combobox : public UI_x_boxes
 {
     public:
         UI_combobox();
-        UI_combobox(std::string id, std::string text, Color fg_color, Color bg_color, std::vector<std::string> options, size_t selected, UI_combobox_on_change on_change = nullptr);
-        UI_combobox(std::string id, std::string text, Color fg_color, Color bg_color, std::vector<std::string> options, UI_combobox_on_change on_change = nullptr);
+        UI_combobox(std::string id, std::string text, Color fg_color, Color bg_color, std::vector<std::string> options, size_t selected = 0, std::function<void(std::string, std::string)> on_change = nullptr);
         UI_combobox(const json& j);
 
         void set_selected(size_t selected);
@@ -24,5 +23,5 @@ class UI_combobox : public UI_x_boxes
     private:
         size_t p_selected;
 
-        UI_combobox_on_change p_on_change;
+        std::function<void(std::string, std::string)> p_on_change;
 };

src/UI/UI_item.hpp

@@ -1,4 +1,5 @@
 #pragma once
+#include <functional>
 #include <cstdint>
 #include <nlohmann/json.hpp>
 #include <string>

src/UI/UI_slider.cpp

@@ -1,6 +1,6 @@
 #include "UI_slider.hpp"
 
-UI_slider::UI_slider(std::string id, std::string text, Color fg_color, Color bg_color, double min, double max, double value,  UI_slider_on_change on_change)
+UI_slider::UI_slider(std::string id, std::string text, Color fg_color, Color bg_color, double min, double max, double value,  std::function<void(std::string, double)> on_change)
     : UI_item(id, UI_SLIDER_TYPE, text, 12, fg_color, bg_color), p_min(min), p_max(max), p_value(value)
 {
     this->p_on_change = on_change;

src/UI/UI_slider.hpp

@@ -2,12 +2,11 @@
 #include "UI_item.hpp"
 
 #define UI_SLIDER_TYPE std::string("UISlider")
-typedef void(*UI_slider_on_change)(std::string, double value);
 
 class UI_slider : public UI_item
 {
     public:
-        UI_slider(std::string id, std::string text, Color fg_color, Color bg_color, double min, double max, double value, UI_slider_on_change on_change);
+        UI_slider(std::string id, std::string text, Color fg_color, Color bg_color, double min, double max, double value, std::function<void(std::string, double)> on_change = nullptr);
         UI_slider(const json& j);
 
         void set_value(double value);
@@ -20,5 +19,5 @@ class UI_slider : public UI_item
         double p_max;
         double p_value;
 
-        UI_slider_on_change p_on_change;
+        std::function<void(std::string, double)> p_on_change;
 };