1/*
2* Copyright 2017 Google Inc.
3*
4* Use of this source code is governed by a BSD-style license that can be
5* found in the LICENSE file.
6*/
7
8#ifndef ImGuiLayer_DEFINED
9#define ImGuiLayer_DEFINED
10
11#include "SkPaint.h"
12#include "SkTArray.h"
13#include "sk_app/Window.h"
14#include "imgui.h"
15
16class ImGuiLayer : public sk_app::Window::Layer {
17public:
18    ImGuiLayer();
19
20    typedef std::function<void(SkCanvas*)> SkiaWidgetFunc;
21    void skiaWidget(const ImVec2& size, SkiaWidgetFunc func);
22
23    void onAttach(sk_app::Window* window) override;
24    void onPrePaint() override;
25    void onPaint(SkCanvas* canvas) override;
26    bool onMouse(int x, int y, sk_app::Window::InputState state, uint32_t modifiers) override;
27    bool onMouseWheel(float delta, uint32_t modifiers) override;
28    bool onKey(sk_app::Window::Key key, sk_app::Window::InputState state, uint32_t modifiers) override;
29    bool onChar(SkUnichar c, uint32_t modifiers) override;
30
31private:
32    sk_app::Window* fWindow;
33    SkPaint fFontPaint;
34    SkTArray<SkiaWidgetFunc> fSkiaWidgetFuncs;
35};
36
37#endif
38