inputbox.h

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#ifndef MAXOS_GUI_WIDGETS_INPUTBOX_H
#define MAXOS_GUI_WIDGETS_INPUTBOX_H
 
#include <cstdint>
#include <gui/widget.h>
#include <gui/font.h>
#include <common/string.h>
 
namespace MaxOS::gui::widgets {
 
 
    enum class InputBoxEvents {
        TEXT_CHANGED
    };
 
    class InputBoxTextChangedEvent : public common::Event<InputBoxEvents> {
        public:
            InputBoxTextChangedEvent(const string&);
            ~InputBoxTextChangedEvent();
 
            string new_text;  
    };
 
    class InputBoxEventHandler : public common::EventHandler<InputBoxEvents> {
        public:
            InputBoxEventHandler();
            ~InputBoxEventHandler();
 
            common::Event<InputBoxEvents>* on_event(common::Event<InputBoxEvents>* event) override;
 
            virtual void on_input_box_text_changed(const string& text);
    };
 
    class InputBox : public Widget, public common::EventManager<InputBoxEvents> {
 
        protected:
            string m_widget_text = "                                                                          ";
 
        public:
            InputBox(int32_t left, int32_t top, uint32_t width, uint32_t height);
            InputBox(int32_t left, int32_t top, uint32_t width, uint32_t height, const string& text);
            ~InputBox();
 
            void draw(common::GraphicsContext* gc, common::Rectangle<int32_t>& area) override;
 
            void on_focus() override;
            void on_focus_lost() override;
 
            void on_key_down(drivers::peripherals::KeyCode key_down_code, const drivers::peripherals::KeyboardState& key_down_state) override;
 
            void update_text(const string&);
            string text();
 
            // InputBox Variables
            common::Colour background_colour;           
            common::Colour foreground_colour;           
            common::Colour border_colour;               
            gui::Font font;                             
            uint32_t cursor_position { 0 };              
 
    };
}
 
#endif //MAXOS_GUI_WIDGETS_INPUTBOX_H