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93 lines
2.6 KiB
93 lines
2.6 KiB
/*
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* Copyright 2016 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "SampleSlide.h"
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#include "SkCanvas.h"
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#include "SkCommonFlags.h"
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#include "SkOSFile.h"
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#include "SkStream.h"
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using namespace sk_app;
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SampleSlide::SampleSlide(const SampleFactory factory)
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: fSampleFactory(factory)
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, fClick(nullptr) {
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sk_sp<Sample> sample(factory());
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Sample::RequestTitle(sample.get(), &fName);
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}
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SampleSlide::~SampleSlide() { delete fClick; }
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SkISize SampleSlide::getDimensions() const {
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return SkISize::Make(SkScalarCeilToInt(fSample->width()), SkScalarCeilToInt(fSample->height()));
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}
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void SampleSlide::draw(SkCanvas* canvas) {
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SkASSERT(fSample);
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fSample->draw(canvas);
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}
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void SampleSlide::load(SkScalar winWidth, SkScalar winHeight) {
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fSample.reset(fSampleFactory());
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fSample->setSize(winWidth, winHeight);
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}
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void SampleSlide::unload() {
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fSample.reset();
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}
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bool SampleSlide::onChar(SkUnichar c) {
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if (!fSample) {
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return false;
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}
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Sample::Event evt(Sample::kCharEvtName);
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evt.setFast32(c);
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return fSample->doQuery(&evt);
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}
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bool SampleSlide::onMouse(SkScalar x, SkScalar y, Window::InputState state,
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uint32_t modifiers) {
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// map to Sample::Click modifiers
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unsigned modifierKeys = 0;
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modifierKeys |= (modifiers & Window::kShift_ModifierKey) ? Sample::Click::kShift_ModifierKey : 0;
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modifierKeys |= (modifiers & Window::kControl_ModifierKey) ? Sample::Click::kControl_ModifierKey : 0;
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modifierKeys |= (modifiers & Window::kOption_ModifierKey) ? Sample::Click::kOption_ModifierKey : 0;
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modifierKeys |= (modifiers & Window::kCommand_ModifierKey) ? Sample::Click::kCommand_ModifierKey : 0;
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bool handled = false;
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switch (state) {
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case Window::kDown_InputState: {
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delete fClick;
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fClick = fSample->findClickHandler(SkIntToScalar(x), SkIntToScalar(y), modifierKeys);
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if (fClick) {
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Sample::DoClickDown(fClick, x, y, modifierKeys);
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handled = true;
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}
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break;
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}
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case Window::kMove_InputState: {
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if (fClick) {
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Sample::DoClickMoved(fClick, x, y, modifierKeys);
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handled = true;
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}
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break;
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}
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case Window::kUp_InputState: {
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if (fClick) {
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Sample::DoClickUp(fClick, x, y, modifierKeys);
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delete fClick;
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fClick = nullptr;
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handled = true;
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}
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break;
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}
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}
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return handled;
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}
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