GuiTextEntry.h

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// Copyright © 2008-2021 Pioneer Developers. See AUTHORS.txt for details
// Licensed under the terms of the GPL v3. See licenses/GPL-3.txt
 
#ifndef _GUITEXTENTRY_H
#define _GUITEXTENTRY_H
 
#include "GuiWidget.h"
#include <string>
 
namespace Text {
    class TextureFont;
}
 
namespace Gui {
    class TextEntry : public Widget {
    public:
        enum NewlineMode {
            IgnoreNewline,
            AcceptNewline,
            AcceptCtrlNewline
        };
 
        TextEntry();
        virtual ~TextEntry();
        virtual void GetSizeRequested(float size[2]);
        virtual void Draw();
        virtual bool OnMouseDown(MouseButtonEvent *e);
        void SetText(const std::string &text);
        std::string GetText() const { return m_text; }
        void SetCursorPos(int pos) { m_cursPos = Clamp(pos, 0, signed(m_text.size())); }
        int GetCursorPos() const { return m_cursPos; };
        virtual bool OnKeyDown(const SDL_Keysym *);
        virtual void OnTextInput(Uint32 unicode);
        virtual void Show()
        {
            GrabFocus();
            Widget::Show();
        }
        virtual void GrabFocus();
        void Unfocus();
        NewlineMode GetNewlineMode() const { return m_newlineMode; }
        void SetNewlineMode(NewlineMode mode) { m_newlineMode = mode; }
 
        sigc::signal<void, const SDL_Keysym *> onKeyPress;
        sigc::signal<void> onValueChanged;
 
    private:
        void OnRawMouseDown(MouseButtonEvent *e);
 
        std::string m_text;
        int m_cursPos;
        int m_scroll;
        RefCountedPtr<Text::TextureFont> m_font;
        NewlineMode m_newlineMode;
        int m_newlineCount;
 
        bool m_justFocused;
        sigc::connection m_clickout;
 
        Graphics::Drawables::Lines m_cursorLines;
        Graphics::Drawables::Lines m_outlines;
        std::unique_ptr<Graphics::Drawables::Rect> m_background;
        RefCountedPtr<Graphics::VertexBuffer> m_vb;
    };
} // namespace Gui
 
#endif /* _GUITEXTENTRY_H */