EmsiaetKadosh
76 lines
1.9 KiB
C++
76 lines
1.9 KiB
C++
//
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// Created by EmsiaetKadosh on 25-1-14.
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//
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#pragma once
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#include "def.h"
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#include "Renderer.h"
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class Widget : public Renderable {
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protected:
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int left = 0, top = 0, width = 0, height = 0;
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mutable bool hasMouse = false;
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public:
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using Action = Function<void()>;
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double x, y, w, h;
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Action hover;
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Action longHover;
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Action mouseDown;
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Action mouseUp;
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Action mouseLeave;
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explicit Widget(const double x, const double y, const double w, const double h) : x(x), y(y), w(w), h(h) {}
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void render() const noexcept override {}
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virtual void onResize() {}
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virtual bool isMouseIn(int x, int y) noexcept {
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x -= left;
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y -= top;
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if (0 <= x and x <= width and 0 <= y and y <= height) hasMouse = true;
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hasMouse = false;
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return hasMouse;
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}
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virtual void onHover() noexcept { if (hover) hover(); }
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virtual void onLongHover() noexcept { if (longHover) longHover(); }
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virtual void onMouseDown() noexcept { if (mouseDown) mouseDown(); }
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virtual void onMouseUp() noexcept { if (mouseUp) mouseUp(); }
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virtual void onMouseLeave() noexcept { if (mouseLeave) mouseLeave(); }
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};
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class Window : public Renderable {
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protected:
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List<Widget*> widgets;
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Window() = default;
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public:
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/**
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* 在Game.setWindow()时，本窗口开启时调用。
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* 不应当外部调用。
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* 如果返回false，则拒绝设置窗口。
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* @return 是否允许将显示窗口设为自身
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*/
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virtual bool onOpen() = 0;
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/**
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* 在Game.setWindow()时，本窗口关闭时调用。
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* 不应当外部调用。
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* 注意，关闭未必就是删除。
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*/
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virtual void onClose() = 0;
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virtual void onResize();
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};
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class FloatWindow final : public Window {
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public:
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void render() const noexcept override;
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bool onOpen() override { return true; }
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void onClose() override {}
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};
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class Button final : public Widget {
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public:
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explicit Button(const double x, const double y, const double w, const double h) : Widget(x, y, w, h) {}
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};
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