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 
16 class ImGuiLayer : public sk_app::Window::Layer {
17 public:
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 
31 private:
32     sk_app::Window* fWindow;
33     SkPaint fFontPaint;
34     SkTArray<SkiaWidgetFunc> fSkiaWidgetFuncs;
35 };
36 
37 #endif
38