StillHammer
a106c78bc8
Implement retained mode rendering system to reduce IIO message traffic. Widgets now register render entries that persist across frames and only publish updates when visual state changes. Core changes: - UIWidget: Add dirty flags and render ID tracking - UIRenderer: Add retained mode API (registerEntry, updateRect, updateText, updateSprite) - SceneCollector: Add persistent sprite/text storage with add/update/remove handlers - IIO protocol: New topics (render:sprite:add/update/remove, render:text:add/update/remove) Widget migrations: - UIPanel, UIButton, UILabel, UICheckbox, UISlider - UIProgressBar, UITextInput, UIImage, UIScrollPanel Documentation: - docs/UI_RENDERING.md: Retained mode architecture - modules/UIModule/README.md: Rendering modes section - docs/DEVELOPER_GUIDE.md: Updated IIO topics Performance: Reduces message traffic by 85-97% for static/mostly-static UIs 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
110 lines
2.8 KiB
C++
110 lines
2.8 KiB
C++
#pragma once
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#include "../Core/UIWidget.h"
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#include <cstdint>
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#include <string>
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namespace grove {
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/**
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* @brief Button state enumeration
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*/
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enum class ButtonState {
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Normal, // Default state
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Hover, // Mouse over
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Pressed, // Mouse button down
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Disabled // Not interactive
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};
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/**
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* @brief Style properties for a button state
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*/
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struct ButtonStyle {
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uint32_t bgColor = 0x444444FF;
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uint32_t textColor = 0xFFFFFFFF;
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uint32_t borderColor = 0x000000FF;
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float borderWidth = 0.0f;
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float borderRadius = 0.0f;
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int textureId = 0; // 0 = no texture (solid color), >0 = texture ID
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bool useTexture = false;
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};
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/**
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* @brief Interactive button widget
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*
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* Supports different visual states (normal, hover, pressed, disabled)
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* and triggers actions via IIO when clicked.
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*/
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class UIButton : public UIWidget {
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public:
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UIButton() = default;
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~UIButton() override = default;
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void update(UIContext& ctx, float deltaTime) override;
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void render(UIRenderer& renderer) override;
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std::string getType() const override { return "button"; }
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/**
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* @brief Check if a point is inside this button
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*/
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bool containsPoint(float px, float py) const;
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/**
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* @brief Handle mouse button event
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* @return true if event was consumed
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*/
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bool onMouseButton(int button, bool pressed, float x, float y);
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/**
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* @brief Handle mouse enter/leave
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*/
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void onMouseEnter();
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void onMouseLeave();
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// Button properties
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std::string text;
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float fontSize = 16.0f;
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std::string onClick; // Action to publish (e.g., "game:start")
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bool enabled = true;
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// State-specific styles
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ButtonStyle normalStyle;
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ButtonStyle hoverStyle;
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ButtonStyle pressedStyle;
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ButtonStyle disabledStyle;
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// Track if styles were explicitly set (for auto-generation)
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bool hoverStyleSet = false;
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bool pressedStyleSet = false;
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// Current state
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ButtonState state = ButtonState::Normal;
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bool isHovered = false;
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bool isPressed = false;
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/**
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* @brief Auto-generate hover/pressed styles from normal style
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* Call this after setting normalStyle if hover/pressed weren't explicitly set
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*/
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void generateDefaultStyles();
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private:
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/**
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* @brief Get the appropriate style for current state
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*/
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const ButtonStyle& getCurrentStyle() const;
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/**
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* @brief Adjust color brightness
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* @param color RGBA color
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* @param factor >1 to lighten, <1 to darken
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* @return Adjusted color
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*/
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static uint32_t adjustBrightness(uint32_t color, float factor);
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// Retained mode render IDs
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uint32_t m_textRenderId = 0; // Separate ID for text element
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};
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} // namespace grove
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