text_editor.h

#pragma once
 
#include <cgv/base/named.h>
#include <cgv/data/ref_ptr.h>
#include <cgv/media/font/font.h>
 
#include "lib_begin.h"
 
namespace cgv {
    namespace gui {

struct CGV_API text_editor_callback_handler
{
    virtual void on_close_editor();
    virtual void after_read();
    virtual void after_save();
    virtual void on_text_insertion(int text_pos, int nr_inserted);
    virtual void on_text_deletion(int text_pos, int nr_deleted, const char* deleted_text);
    virtual void on_update_callback();
};

struct text_style
{
    int color;
    cgv::media::font::font_face_ptr font_face;
    float font_size;
};

class CGV_API text_editor : public base::named
{
protected:
    text_editor_callback_handler* handler;
public:
    text_editor(const std::string& name, text_editor_callback_handler* _handler = 0);
    void set_callback_handler(text_editor_callback_handler* _handler);
    const text_editor_callback_handler* get_callback_handler() const;
    virtual ~text_editor();
    virtual void set_base_path(const std::string& path) = 0;
    virtual void set_filter(const std::string& filter) = 0;
    virtual bool read(const std::string& file_name) = 0;
    virtual bool is_modified() const = 0;
    virtual bool save() = 0;
    virtual void show() = 0;
    virtual void hide() = 0;
    virtual bool is_visible() const = 0;
    virtual const char* get_text() const = 0;
    virtual void set_text(const std::string& new_text) = 0;
    virtual const char* get_style() const = 0;
    virtual void set_style(int text_pos, int length, const char* style) = 0;
    virtual unsigned int get_length() const = 0;
    virtual void set_text_styles(const text_style* table, int nr_styles) = 0;
};

typedef data::ref_ptr<text_editor> text_editor_ptr;
 
#if _MSC_VER >= 1400
CGV_TEMPLATE template class CGV_API data::ref_ptr<text_editor_ptr>;
#endif

extern CGV_API text_editor_ptr create_text_editor(unsigned int w, unsigned int h, const std::string& title, int x=-1, int y=-1);
 
    }
}
 
#include <cgv/config/lib_end.h>