56 lines
1.8 KiB
C++
56 lines
1.8 KiB
C++
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/*
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* Copyright 2022 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 "tools/viewer/ClickHandlerSlide.h"
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bool ClickHandlerSlide::onMouse(SkScalar x, SkScalar y,
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skui::InputState clickState,
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skui::ModifierKey modifierKeys) {
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auto dispatch = [this](Click* c) {
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return c->fHasFunc ? c->fFunc(c) : this->onClick(c);
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};
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switch (clickState) {
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case skui::InputState::kDown:
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fClick = nullptr;
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fClick.reset(this->onFindClickHandler(x, y, modifierKeys));
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if (!fClick) {
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return false;
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}
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fClick->fPrev = fClick->fCurr = fClick->fOrig = {x, y};
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fClick->fState = skui::InputState::kDown;
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fClick->fModifierKeys = modifierKeys;
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dispatch(fClick.get());
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return true;
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case skui::InputState::kMove:
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if (fClick) {
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fClick->fPrev = fClick->fCurr;
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fClick->fCurr = {x, y};
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fClick->fState = skui::InputState::kMove;
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fClick->fModifierKeys = modifierKeys;
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return dispatch(fClick.get());
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}
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return false;
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case skui::InputState::kUp:
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if (fClick) {
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fClick->fPrev = fClick->fCurr;
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fClick->fCurr = {x, y};
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fClick->fState = skui::InputState::kUp;
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fClick->fModifierKeys = modifierKeys;
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bool result = dispatch(fClick.get());
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fClick = nullptr;
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return result;
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}
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return false;
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default:
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// Ignore other cases
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SK_ABORT("Unexepected InputState");
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}
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SkUNREACHABLE;
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}
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