C_objTextinputbox.hpp

/*
 * Copyright 2024 Guillaume Guillet
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
 
#ifndef _FGE_C_OBJTEXTINPUTBOX_HPP_INCLUDED
#define _FGE_C_OBJTEXTINPUTBOX_HPP_INCLUDED
 
#include "FastEngine/fge_extern.hpp"
#include "FastEngine/C_guiElement.hpp"
#include "FastEngine/object/C_objRectangleShape.hpp"
#include "FastEngine/object/C_objText.hpp"
#include "FastEngine/object/C_object.hpp"
 
#define FGE_OBJTEXTINBOX_CLASSNAME "FGE:OBJ:TEXTINBOX"
 
namespace fge
{
 
class FGE_API ObjTextInputBox : public fge::Object, public fge::Subscriber, public fge::GuiElement
{
public:
    ObjTextInputBox();
    explicit ObjTextInputBox(fge::Font const& font,
                             uint16_t maxLength = 10,
                             fge::Vector2f const& pos = fge::Vector2f());
 
    FGE_OBJ_DEFAULT_COPYMETHOD(fge::ObjTextInputBox)
 
    fge::GuiElement* getGuiElement() override { return this; }
 
    void setString(tiny_utf8::string string);
    void setFont(fge::Font font);
    void setCharacterSize(fge::CharacterSize size);
    void setHideTextFlag(bool flag);
    void setMaxLength(uint16_t length);
 
    void setActiveStat(bool active);
 
    void setBoxSize(fge::Vector2f const& size);
    void setBoxSize(float w, float h);
 
    void setBoxColor(fge::Color const& color);
    void setBoxOutlineColor(fge::Color const& color);
    void setTextColor(fge::Color const& color);
 
    tiny_utf8::string const& getString() const;
    fge::CharacterSize getCharacterSize() const;
    bool isTextHide() const;
    uint16_t getMaxLength() const;
 
    bool getActiveStat() const;
 
    fge::Vector2f const& getBoxSize() const;
 
    fge::Color const& getBoxColor() const;
    fge::Color const& getBoxOutlineColor() const;
    fge::Color const& getTextColor() const;
 
    void callbackRegister(fge::Event& event, fge::GuiElementHandler* guiElementHandlerPtr) override;
 
    FGE_OBJ_UPDATE_DECLARE
    FGE_OBJ_DRAW_DECLARE
 
    void save(nlohmann::json& jsonObject, fge::Scene* scene) override;
    void load(nlohmann::json& jsonObject, fge::Scene* scene) override;
    void pack(fge::net::Packet& pck) override;
    void unpack(fge::net::Packet const& pck) override;
 
    char const* getClassName() const override;
    char const* getReadableClassName() const override;
 
    fge::RectFloat getGlobalBounds() const override;
    fge::RectFloat getLocalBounds() const override;
 
    fge::CallbackHandler<fge::ObjTextInputBox&> _onStatChange;
    fge::CallbackHandler<fge::ObjTextInputBox&> _onReturn;
 
private:
    void
    onGuiMouseButtonPressed(fge::Event const& evt, SDL_MouseButtonEvent const& arg, fge::GuiElementContext& context);
    void onTextInput(fge::Event const& evt, SDL_TextInputEvent const& arg);
    void onKeyDown(fge::Event const& evt, SDL_KeyboardEvent const& arg);
 
    void onGuiVerify(fge::Event const& evt, SDL_EventType evtType, fge::GuiElementContext& context) override;
 
    std::chrono::milliseconds g_cursorBlinkTime{0};
    uint16_t g_cursor{0};
    uint16_t g_maxLength{10};
    bool g_hide{false};
 
    fge::Color g_colorBox{fge::Color::White};
    fge::Color g_colorBoxOutline{fge::Color::Black};
 
    tiny_utf8::string g_string;
    mutable fge::ObjText g_text;
    mutable fge::ObjRectangleShape g_box;
    mutable fge::ObjRectangleShape g_cursorLine;
 
    fge::Vector2f g_boxSize{120.0f, 18.0f};
 
    bool g_statActive{false};
};
 
} // namespace fge
 
#endif // _FGE_C_OBJTEXTINPUTBOX_HPP_INCLUDED