skia2/tools/viewer/SlideDir.h
Florin Malita 65fce9edc4 SlideDir focus w/ animation
Add an animated "focus" mode for SlideDir.

Clicking a cell focuses.  SPACE unfocuses.

When a slide is focused, mouse and key events are passed through.

TBR=
Change-Id: Iec47e2327e3b21bd626846bb0d3f9107bf680b1b
Reviewed-on: https://skia-review.googlesource.com/108101
Commit-Queue: Florin Malita <fmalita@chromium.org>
Reviewed-by: Mike Reed <reed@google.com>
2018-02-19 18:43:44 +00:00

68 lines
1.6 KiB
C++

/*
* Copyright 2018 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef SlideDir_DEFINED
#define SlideDir_DEFINED
#include "Slide.h"
#include "SkTArray.h"
class SkString;
namespace sksg {
class Group;
class Scene;
}
class SlideDir final : public Slide {
public:
SlideDir(const SkString& name, SkTArray<sk_sp<Slide>, true>&&,
int columns = kDefaultColumnCount);
protected:
void load(SkScalar winWidth, SkScalar winHeight) override;
void unload() override;
SkISize getDimensions() const override;
void draw(SkCanvas*) override;
bool animate(const SkAnimTimer&) override;
bool onChar(SkUnichar) override;
bool onMouse(SkScalar x, SkScalar y, sk_app::Window::InputState, uint32_t modifiers) override;
private:
struct Rec;
class FocusController;
static constexpr int kDefaultColumnCount = 4;
const Rec* findCell(float x, float y) const;
const SkTArray<sk_sp<Slide>, true> fSlides;
std::unique_ptr<FocusController> fFocusController;
const int fColumns;
SkTArray<Rec, true> fRecs;
std::unique_ptr<sksg::Scene> fScene;
sk_sp<sksg::Group> fRoot;
SkSize fWinSize = SkSize::MakeEmpty();
SkSize fCellSize = SkSize::MakeEmpty();
SkMSec fTimeBase = 0;
const Rec* fTrackingCell = nullptr;
SkPoint fTrackingPos = SkPoint::Make(0, 0);
using INHERITED = Slide;
};
#endif // SlideDir_DEFINED