本文整理汇总了C++中LayoutBlock::setScrollTop方法的典型用法代码示例。如果您正苦于以下问题：C++ LayoutBlock::setScrollTop方法的具体用法？C++ LayoutBlock::setScrollTop怎么用？C++ LayoutBlock::setScrollTop使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类LayoutBlock的用法示例。
在下文中一共展示了LayoutBlock::setScrollTop方法的4个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: setBodyInnerHTML
TEST_F(VisualRectMappingTest, ContainerOverflowHidden) {
setBodyInnerHTML(
"<div id='container' style='position: absolute; top: 111px; left: 222px;"
" border: 10px solid red; overflow: hidden; width: 50px; height: "
"80px;'>"
" <div id='target' style='box-shadow: 40px 20px black; width: 100px; "
"height: 90px'></div>"
"</div>");
LayoutBlock* container =
toLayoutBlock(getLayoutObjectByElementId("container"));
EXPECT_EQ(LayoutUnit(), container->scrollTop());
EXPECT_EQ(LayoutUnit(), container->scrollLeft());
container->setScrollTop(LayoutUnit(27));
container->setScrollLeft(LayoutUnit(28));
document().view()->updateAllLifecyclePhases();
LayoutBlock* target = toLayoutBlock(getLayoutObjectByElementId("target"));
LayoutRect targetVisualRect = target->localVisualRect();
// 140 = width(100) + box_shadow_offset_x(40)
// 110 = height(90) + box_shadow_offset_y(20)
EXPECT_EQ(LayoutRect(0, 0, 140, 110), targetVisualRect);
LayoutRect rect = targetVisualRect;
EXPECT_TRUE(target->mapToVisualRectInAncestorSpace(target, rect));
EXPECT_EQ(LayoutRect(0, 0, 140, 110), rect);
rect = targetVisualRect;
EXPECT_TRUE(target->mapToVisualRectInAncestorSpace(container, rect));
// Rect is not clipped by container's overflow clip.
EXPECT_EQ(LayoutRect(10, 10, 140, 110), rect);
}示例2: originalRect
TEST_F(VisualRectMappingTest, LayoutInline) {
document().setBaseURLOverride(KURL(ParsedURLString, "http://test.com"));
setBodyInnerHTML(
"<style>body { margin: 0; }</style>"
"<div id='container' style='overflow: scroll; width: 50px; height: 50px'>"
" <span><img style='width: 20px; height: 100px'></span>"
" <span id=leaf></span></div>");
LayoutBlock* container =
toLayoutBlock(getLayoutObjectByElementId("container"));
LayoutObject* leaf = container->lastChild();
container->setScrollTop(LayoutUnit(50));
LayoutRect originalRect(0, 60, 20, 80);
LayoutRect rect = originalRect;
EXPECT_TRUE(leaf->mapToVisualRectInAncestorSpace(container, rect));
rect.move(-container->scrolledContentOffset());
EXPECT_EQ(rect, LayoutRect(0, 10, 20, 80));
rect = originalRect;
EXPECT_TRUE(leaf->mapToVisualRectInAncestorSpace(&layoutView(), rect));
EXPECT_EQ(rect, LayoutRect(0, 10, 20, 40));
checkPaintInvalidationStateRectMapping(rect, originalRect, *leaf,
layoutView(), layoutView());
rect = LayoutRect(0, 60, 80, 0);
EXPECT_TRUE(
leaf->mapToVisualRectInAncestorSpace(container, rect, EdgeInclusive));
rect.move(-container->scrolledContentOffset());
EXPECT_EQ(rect, LayoutRect(0, 10, 80, 0));
}示例3: rect
TEST_F(LayoutObjectTest, MapToVisibleRectInContainerSpace)
{
setBodyInnerHTML(
"<div id='container' style='overflow: scroll; will-change: transform; width: 50px; height: 50px'>"
" <span><img style='width: 20px; height: 100px'></span>"
" text text text text text text text"
"</div>");
LayoutBlock* container = toLayoutBlock(document().getElementById("container")->layoutObject());
LayoutText* text = toLayoutText(container->lastChild());
container->setScrollTop(50);
LayoutRect rect(0, 60, 20, 20);
text->mapToVisibleRectInAncestorSpace(container, rect, nullptr);
EXPECT_TRUE(rect == LayoutRect(0, 10, 20, 20));
}示例4: enableCompositing
TEST_F(VisualRectMappingTest,
DifferentPaintInvalidaitionContainerForAbsolutePosition) {
enableCompositing();
document().frame()->settings()->setPreferCompositingToLCDTextEnabled(true);
setBodyInnerHTML(
"<div id='stacking-context' style='opacity: 0.9; background: blue; "
"will-change: transform'>"
" <div id='scroller' style='overflow: scroll; width: 80px; height: "
"80px'>"
" <div id='absolute' style='position: absolute; top: 111px; left: "
"222px; width: 50px; height: 50px; background: green'></div>"
" <div id='normal-flow' style='width: 2000px; height: 2000px; "
"background: yellow'></div>"
" </div>"
"</div>");
LayoutBlock* scroller = toLayoutBlock(getLayoutObjectByElementId("scroller"));
scroller->setScrollTop(LayoutUnit(77));
scroller->setScrollLeft(LayoutUnit(88));
document().view()->updateAllLifecyclePhases();
LayoutBlock* normalFlow =
toLayoutBlock(getLayoutObjectByElementId("normal-flow"));
EXPECT_EQ(scroller, &normalFlow->containerForPaintInvalidation());
LayoutRect normalFlowVisualRect = normalFlow->localVisualRect();
EXPECT_EQ(LayoutRect(0, 0, 2000, 2000), normalFlowVisualRect);
LayoutRect rect = normalFlowVisualRect;
EXPECT_TRUE(normalFlow->mapToVisualRectInAncestorSpace(scroller, rect));
EXPECT_EQ(LayoutRect(0, 0, 2000, 2000), rect);
checkPaintInvalidationStateRectMapping(rect, normalFlowVisualRect,
*normalFlow, layoutView(), *scroller);
LayoutBlock* stackingContext =
toLayoutBlock(getLayoutObjectByElementId("stacking-context"));
LayoutBlock* absolute = toLayoutBlock(getLayoutObjectByElementId("absolute"));
EXPECT_EQ(stackingContext, &absolute->containerForPaintInvalidation());
EXPECT_EQ(stackingContext, absolute->container());
LayoutRect absoluteVisualRect = absolute->localVisualRect();
EXPECT_EQ(LayoutRect(0, 0, 50, 50), absoluteVisualRect);
rect = absoluteVisualRect;
EXPECT_TRUE(absolute->mapToVisualRectInAncestorSpace(stackingContext, rect));
EXPECT_EQ(LayoutRect(222, 111, 50, 50), rect);
checkPaintInvalidationStateRectMapping(rect, absoluteVisualRect, *absolute,
layoutView(), *stackingContext);
}