skia2/tools/viewer/SampleSlide.cpp
Brian Osman 6f3eac9b5d Fix sample modifier keys for mouse events
Bug: skia:
Change-Id: I0fc4f15abc44ff0a1b6b92e238e7abda35e7bacb
Reviewed-on: https://skia-review.googlesource.com/79904
Reviewed-by: Jim Van Verth <jvanverth@google.com>
Commit-Queue: Brian Osman <brianosman@google.com>
2017-12-05 14:05:31 +00:00

93 lines
2.5 KiB
C++

/*
* Copyright 2016 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "SampleSlide.h"
#include "SkCanvas.h"
#include "SkCommonFlags.h"
#include "SkKey.h"
#include "SkOSFile.h"
#include "SkStream.h"
using namespace sk_app;
SampleSlide::SampleSlide(const SkViewFactory* factory)
: fViewFactory(factory)
, fClick(nullptr) {
SkView* view = (*factory)();
SampleCode::RequestTitle(view, &fName);
view->unref();
}
SampleSlide::~SampleSlide() { delete fClick; }
void SampleSlide::draw(SkCanvas* canvas) {
SkASSERT(fView);
fView->draw(canvas);
}
void SampleSlide::load(SkScalar winWidth, SkScalar winHeight) {
fView.reset((*fViewFactory)());
fView->setVisibleP(true);
fView->setClipToBounds(false);
fView->setSize(winWidth, winHeight);
}
void SampleSlide::unload() {
fView.reset();
}
bool SampleSlide::onChar(SkUnichar c) {
if (!fView) {
return false;
}
SkEvent evt(gCharEvtName);
evt.setFast32(c);
return fView->doQuery(&evt);
}
bool SampleSlide::onMouse(SkScalar x, SkScalar y, Window::InputState state,
uint32_t modifiers) {
// map to SkView modifiers
unsigned modifierKeys = 0;
modifierKeys |= (modifiers & Window::kShift_ModifierKey) ? kShift_SkModifierKey : 0;
modifierKeys |= (modifiers & Window::kControl_ModifierKey) ? kControl_SkModifierKey : 0;
modifierKeys |= (modifiers & Window::kOption_ModifierKey) ? kOption_SkModifierKey : 0;
modifierKeys |= (modifiers & Window::kCommand_ModifierKey) ? kCommand_SkModifierKey : 0;
bool handled = false;
switch (state) {
case Window::kDown_InputState: {
delete fClick;
fClick = fView->findClickHandler(SkIntToScalar(x), SkIntToScalar(y), modifierKeys);
if (fClick) {
SkView::DoClickDown(fClick, x, y, modifierKeys);
handled = true;
}
break;
}
case Window::kMove_InputState: {
if (fClick) {
SkView::DoClickMoved(fClick, x, y, modifierKeys);
handled = true;
}
break;
}
case Window::kUp_InputState: {
if (fClick) {
SkView::DoClickUp(fClick, x, y, modifierKeys);
delete fClick;
fClick = nullptr;
handled = true;
}
break;
}
}
return handled;
}