58 lines
2.4 KiB
C++
58 lines
2.4 KiB
C++
#pragma once
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#include <object/entity.hpp>
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#include <renderer/font.hpp>
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#include <renderer/texture.hpp>
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#include <utility>
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#include <game/input.hpp>
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#include <SDL3/SDL.h>
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#include <mutex>
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namespace Game::Object {
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class UITextBox : public Entity {
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public:
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UITextBox(const std::string& name, std::shared_ptr<Renderer::Texture> background, std::shared_ptr<Renderer::Font> font, const Transform& transform, float x = 0.f, float y = 0.f);
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~UITextBox() override = default;
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void start() override;
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void update(float deltaTime) override;
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// Custom render to show both background and text
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void render(Game::Renderer::Renderer* renderer, Game::Renderer::RendererConfig config) override;
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void setText(const std::string& text);
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std::string getText() const;
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void setPlaceholder(const std::string& placeholder) { mPlaceholder = placeholder; mLastRenderedText.clear(); }
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// Insert UTF-8 text at the current cursor position (delivered from Input queue)
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void insertText(const std::string& utf8);
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void setMaxLength(size_t maxLen) { mMaxLength = maxLen; }
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void setPasswordMode(bool enable) { mPasswordMode = enable; }
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void setOnFocus(void* fn) { mOnFocus = fn; }
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void setPosition(float x, float y) { mX = x; mY = y; }
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std::pair<float, float> getPosition() const { return {mX, mY}; }
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bool isFocused() const { return mIsFocused; }
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private:
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std::shared_ptr<Renderer::Texture> mBackground; // Background texture for the textbox
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std::shared_ptr<Renderer::Font> mFont; // Font used to render text
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float mX, mY;
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std::string mText;
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size_t mCursorIndex = 0;
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float mCursorBlinkTimer = 0.f;
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bool mShowCursor = true;
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size_t mMaxLength = 1024;
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bool mPasswordMode = false;
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bool mIsFocused = false;
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void* mOnFocus = nullptr; // optional function pointer
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std::string mLastRenderedText; // to avoid rebuilding font unnecessarily
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std::string mPlaceholder = "";
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float mReservedPlaceholderWidth = 0.f; // Reserved pixel width for placeholder to avoid layout shifts
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std::mutex mRenderMutex; // Protects mLastRenderedText and mReservedPlaceholderWidth from main-thread updates
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};
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}
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