modal.hpp

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#pragma once

 
#include <pulp/view/view.hpp>
#include <functional>
 
namespace pulp::view {

class ModalOverlay : public View {
public:
    std::function<void()> on_dismiss;

    bool dismiss_on_backdrop_click = true;

    float backdrop_opacity = 0.5f;
 
    void paint(canvas::Canvas& canvas) override {
        // Draw dimmed backdrop
        auto b = local_bounds();
        canvas.set_fill_color(canvas::Color::rgba8(0, 0, 0,
            static_cast<uint8_t>(backdrop_opacity * 255)));
        canvas.fill_rect(b.x, b.y, b.width, b.height);
    }
 
    bool on_key_event(const KeyEvent& event) override {
        if (event.is_down && event.key == KeyCode::escape) {
            if (on_dismiss) on_dismiss();
            return true;
        }
        return false;
    }
 
    void on_mouse_event(const MouseEvent& event) override {
        // If click is on backdrop (not on a child), dismiss
        if (event.is_down && dismiss_on_backdrop_click) {
            auto* target = hit_test(event.position);
            if (target == this) {
                if (on_dismiss) on_dismiss();
            }
        }
    }
 
    bool wants_mouse_input() const override { return true; }
};
 
} // namespace pulp::view