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Fix layout for absolutely positioned nodes with absolutely positioned parents that have border and/or padding

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This commit is contained in:
Andrew Rasmussen
2015-04-30 14:35:59 -07:00
parent 0af68d137a
commit 5f52e947cb
6 changed files with 320 additions and 3 deletions
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6
src/Layout.c
View File

@@ -244,6 +244,10 @@ static float getPaddingAndBorder(css_node_t *node, int location) {
return getPadding(node, location) + getBorder(node, location);
}
static float getBorderAxis(css_node_t *node, css_flex_direction_t axis) {
return getBorder(node, leading[axis]) + getBorder(node, trailing[axis]);
}
static float getMarginAxis(css_node_t *node, css_flex_direction_t axis) {
return getMargin(node, leading[axis]) + getMargin(node, trailing[axis]);
}
@@ -812,7 +816,7 @@ static void layoutNodeImpl(css_node_t *node, float parentMaxWidth) {
isPosDefined(child, trailing[axis])) {
child->layout.dimensions[dim[axis]] = fmaxf(
boundAxis(child, axis, node->layout.dimensions[dim[axis]] -
getPaddingAndBorderAxis(node, axis) -
getBorderAxis(node, axis) -
getMarginAxis(child, axis) -
getPosition(child, leading[axis]) -
getPosition(child, trailing[axis])

6
src/Layout.js
View File

@@ -125,6 +125,10 @@ var computeLayout = (function() {
return getPadding(node, location) + getBorder(node, location);
}
function getBorderAxis(node, axis) {
return getBorder(node, leading[axis]) + getBorder(node, trailing[axis]);
}
function getMarginAxis(node, axis) {
return getMargin(node, leading[axis]) + getMargin(node, trailing[axis]);
}
@@ -703,7 +707,7 @@ var computeLayout = (function() {
isPosDefined(child, trailing[axis])) {
child.layout[dim[axis]] = fmaxf(
boundAxis(child, axis, node.layout[dim[axis]] -
getPaddingAndBorderAxis(node, axis) -
getBorderAxis(node, axis) -
getMarginAxis(child, axis) -
getPosition(child, leading[axis]) -
getPosition(child, trailing[axis])

128
src/__tests__/Layout-test.c
View File

@@ -4754,6 +4754,134 @@ int main()
test("should layout minHeight without a flex child", root_node, root_layout);
}
{
css_node_t *root_node = new_test_css_node();
{
css_node_t *node_0 = root_node;
node_0->style.dimensions[CSS_WIDTH] = 400;
node_0->style.dimensions[CSS_HEIGHT] = 400;
init_css_node_children(node_0, 1);
{
css_node_t *node_1;
node_1 = node_0->get_child(node_0->context, 0);
node_1->style.position_type = CSS_POSITION_ABSOLUTE;
node_1->style.padding[CSS_LEFT] = 10;
node_1->style.padding[CSS_TOP] = 10;
node_1->style.padding[CSS_RIGHT] = 10;
node_1->style.padding[CSS_BOTTOM] = 10;
node_1->style.position[CSS_LEFT] = 100;
node_1->style.position[CSS_TOP] = 100;
node_1->style.position[CSS_RIGHT] = 100;
node_1->style.position[CSS_BOTTOM] = 100;
init_css_node_children(node_1, 1);
{
css_node_t *node_2;
node_2 = node_1->get_child(node_1->context, 0);
node_2->style.position_type = CSS_POSITION_ABSOLUTE;
node_2->style.position[CSS_LEFT] = 10;
node_2->style.position[CSS_TOP] = 10;
node_2->style.position[CSS_RIGHT] = 10;
node_2->style.position[CSS_BOTTOM] = 10;
}
}
}
css_node_t *root_layout = new_test_css_node();
{
css_node_t *node_0 = root_layout;
node_0->layout.position[CSS_TOP] = 0;
node_0->layout.position[CSS_LEFT] = 0;
node_0->layout.dimensions[CSS_WIDTH] = 400;
node_0->layout.dimensions[CSS_HEIGHT] = 400;
init_css_node_children(node_0, 1);
{
css_node_t *node_1;
node_1 = node_0->get_child(node_0->context, 0);
node_1->layout.position[CSS_TOP] = 100;
node_1->layout.position[CSS_LEFT] = 100;
node_1->layout.dimensions[CSS_WIDTH] = 200;
node_1->layout.dimensions[CSS_HEIGHT] = 200;
init_css_node_children(node_1, 1);
{
css_node_t *node_2;
node_2 = node_1->get_child(node_1->context, 0);
node_2->layout.position[CSS_TOP] = 10;
node_2->layout.position[CSS_LEFT] = 10;
node_2->layout.dimensions[CSS_WIDTH] = 180;
node_2->layout.dimensions[CSS_HEIGHT] = 180;
}
}
}
test("should layout absolutely positioned node with absolutely positioned padded parent", root_node, root_layout);
}
{
css_node_t *root_node = new_test_css_node();
{
css_node_t *node_0 = root_node;
node_0->style.dimensions[CSS_WIDTH] = 400;
node_0->style.dimensions[CSS_HEIGHT] = 400;
init_css_node_children(node_0, 1);
{
css_node_t *node_1;
node_1 = node_0->get_child(node_0->context, 0);
node_1->style.position_type = CSS_POSITION_ABSOLUTE;
node_1->style.padding[CSS_LEFT] = 10;
node_1->style.padding[CSS_TOP] = 10;
node_1->style.padding[CSS_RIGHT] = 10;
node_1->style.padding[CSS_BOTTOM] = 10;
node_1->style.border[CSS_LEFT] = 1;
node_1->style.border[CSS_TOP] = 1;
node_1->style.border[CSS_RIGHT] = 1;
node_1->style.border[CSS_BOTTOM] = 1;
node_1->style.position[CSS_LEFT] = 100;
node_1->style.position[CSS_TOP] = 100;
node_1->style.position[CSS_RIGHT] = 100;
node_1->style.position[CSS_BOTTOM] = 100;
init_css_node_children(node_1, 1);
{
css_node_t *node_2;
node_2 = node_1->get_child(node_1->context, 0);
node_2->style.position_type = CSS_POSITION_ABSOLUTE;
node_2->style.position[CSS_LEFT] = 10;
node_2->style.position[CSS_TOP] = 10;
node_2->style.position[CSS_RIGHT] = 10;
node_2->style.position[CSS_BOTTOM] = 10;
}
}
}
css_node_t *root_layout = new_test_css_node();
{
css_node_t *node_0 = root_layout;
node_0->layout.position[CSS_TOP] = 0;
node_0->layout.position[CSS_LEFT] = 0;
node_0->layout.dimensions[CSS_WIDTH] = 400;
node_0->layout.dimensions[CSS_HEIGHT] = 400;
init_css_node_children(node_0, 1);
{
css_node_t *node_1;
node_1 = node_0->get_child(node_0->context, 0);
node_1->layout.position[CSS_TOP] = 100;
node_1->layout.position[CSS_LEFT] = 100;
node_1->layout.dimensions[CSS_WIDTH] = 200;
node_1->layout.dimensions[CSS_HEIGHT] = 200;
init_css_node_children(node_1, 1);
{
css_node_t *node_2;
node_2 = node_1->get_child(node_1->context, 0);
node_2->layout.position[CSS_TOP] = 11;
node_2->layout.position[CSS_LEFT] = 11;
node_2->layout.dimensions[CSS_WIDTH] = 178;
node_2->layout.dimensions[CSS_HEIGHT] = 178;
}
}
}
test("should layout absolutely positioned node with absolutely positioned padded and bordered parent", root_node, root_layout);
}
/** END_GENERATED **/
return tests_finished();
}

45
src/__tests__/Layout-test.js
View File

@@ -1552,5 +1552,50 @@ describe('Layout', function() {
);
});
it('should layout absolutely positioned node with absolutely positioned padded parent', function() {
testLayout(
{style: {width: 400, height: 400}, children: [
{style: {position: 'absolute', top: 100, left: 100, right: 100, bottom: 100, padding: 10}, children: [
{style: {position: 'absolute', top: 10, left: 10, right: 10, bottom: 10}}
]},
]},
{width: 400, height: 400, top: 0, left: 0, children: [
{width: 200, height: 200, top: 100, left: 100, children: [
{width: 180, height: 180, top: 10, left: 10}
]}
]}
);
});
it('should layout absolutely positioned node with absolutely positioned padded and bordered parent', function() {
testLayout(
{style: {width: 400, height: 400}, children: [
{style: {position: 'absolute', top: 100, left: 100, right: 100, bottom: 100, padding: 10, borderWidth: 1}, children: [
{style: {position: 'absolute', top: 10, left: 10, right: 10, bottom: 10}}
]},
]},
{width: 400, height: 400, top: 0, left: 0, children: [
{width: 200, height: 200, top: 100, left: 100, children: [
{width: 178, height: 178, top: 11, left: 11}
]}
]}
);
});
it('should layout absolutely positioned node with padded flex 1 parent', function() {
testLayout(
{style: {width: 400, height: 400}, children: [
{style: {flex: 1, padding: 10}, children: [
{style: {position: 'absolute', top: 10, left: 10, right: 10, bottom: 10}}
]},
]},
{width: 400, height: 400, top: 0, left: 0, children: [
{width: 400, height: 400, top: 0, left: 0, children: [
{width: 380, height: 380, top: 10, left: 10}
]}
]}
);
});
});

6
src/java/src/com/facebook/csslayout/LayoutEngine.java
View File

@@ -178,6 +178,10 @@ public class LayoutEngine {
return getPadding(node, position) + getBorder(node, position);
}
private static float getBorderAxis(CSSNode node, CSSFlexDirection axis) {
return getBorder(node, getLeading(axis)) + getBorder(node, getTrailing(axis));
}
private static float getMarginAxis(CSSNode node, CSSFlexDirection axis) {
return getMargin(node, getLeading(axis)) + getMargin(node, getTrailing(axis));
}
@@ -757,7 +761,7 @@ public class LayoutEngine {
isPosDefined(child, getTrailing(axis))) {
setLayoutDimension(child, getDim(axis), Math.max(
boundAxis(child, axis, getLayoutDimension(node, getDim(axis)) -
getPaddingAndBorderAxis(node, axis) -
getBorderAxis(node, axis) -
getMarginAxis(child, axis) -
getPosition(child, getLeading(axis)) -
getPosition(child, getTrailing(axis))

132
src/java/tests/com/facebook/csslayout/LayoutEngineTest.java
View File

@@ -5073,5 +5073,137 @@ public class LayoutEngineTest {
test("should layout minHeight without a flex child", root_node, root_layout);
}
@Test
public void testCase122()
{
TestCSSNode root_node = new TestCSSNode();
{
TestCSSNode node_0 = root_node;
node_0.style.width = 400;
node_0.style.height = 400;
addChildren(node_0, 1);
{
TestCSSNode node_1;
node_1 = node_0.getChildAt(0);
node_1.style.positionType = CSSPositionType.ABSOLUTE;
node_1.style.padding[Spacing.LEFT] = 10;
node_1.style.padding[Spacing.TOP] = 10;
node_1.style.padding[Spacing.RIGHT] = 10;
node_1.style.padding[Spacing.BOTTOM] = 10;
node_1.style.positionLeft = 100;
node_1.style.positionTop = 100;
node_1.style.positionRight = 100;
node_1.style.positionBottom = 100;
addChildren(node_1, 1);
{
TestCSSNode node_2;
node_2 = node_1.getChildAt(0);
node_2.style.positionType = CSSPositionType.ABSOLUTE;
node_2.style.positionLeft = 10;
node_2.style.positionTop = 10;
node_2.style.positionRight = 10;
node_2.style.positionBottom = 10;
}
}
}
TestCSSNode root_layout = new TestCSSNode();
{
TestCSSNode node_0 = root_layout;
node_0.layout.y = 0;
node_0.layout.x = 0;
node_0.layout.width = 400;
node_0.layout.height = 400;
addChildren(node_0, 1);
{
TestCSSNode node_1;
node_1 = node_0.getChildAt(0);
node_1.layout.y = 100;
node_1.layout.x = 100;
node_1.layout.width = 200;
node_1.layout.height = 200;
addChildren(node_1, 1);
{
TestCSSNode node_2;
node_2 = node_1.getChildAt(0);
node_2.layout.y = 10;
node_2.layout.x = 10;
node_2.layout.width = 180;
node_2.layout.height = 180;
}
}
}
test("should layout absolutely positioned node with absolutely positioned padded parent", root_node, root_layout);
}
@Test
public void testCase123()
{
TestCSSNode root_node = new TestCSSNode();
{
TestCSSNode node_0 = root_node;
node_0.style.width = 400;
node_0.style.height = 400;
addChildren(node_0, 1);
{
TestCSSNode node_1;
node_1 = node_0.getChildAt(0);
node_1.style.positionType = CSSPositionType.ABSOLUTE;
node_1.style.padding[Spacing.LEFT] = 10;
node_1.style.padding[Spacing.TOP] = 10;
node_1.style.padding[Spacing.RIGHT] = 10;
node_1.style.padding[Spacing.BOTTOM] = 10;
node_1.style.border[Spacing.LEFT] = 1;
node_1.style.border[Spacing.TOP] = 1;
node_1.style.border[Spacing.RIGHT] = 1;
node_1.style.border[Spacing.BOTTOM] = 1;
node_1.style.positionLeft = 100;
node_1.style.positionTop = 100;
node_1.style.positionRight = 100;
node_1.style.positionBottom = 100;
addChildren(node_1, 1);
{
TestCSSNode node_2;
node_2 = node_1.getChildAt(0);
node_2.style.positionType = CSSPositionType.ABSOLUTE;
node_2.style.positionLeft = 10;
node_2.style.positionTop = 10;
node_2.style.positionRight = 10;
node_2.style.positionBottom = 10;
}
}
}
TestCSSNode root_layout = new TestCSSNode();
{
TestCSSNode node_0 = root_layout;
node_0.layout.y = 0;
node_0.layout.x = 0;
node_0.layout.width = 400;
node_0.layout.height = 400;
addChildren(node_0, 1);
{
TestCSSNode node_1;
node_1 = node_0.getChildAt(0);
node_1.layout.y = 100;
node_1.layout.x = 100;
node_1.layout.width = 200;
node_1.layout.height = 200;
addChildren(node_1, 1);
{
TestCSSNode node_2;
node_2 = node_1.getChildAt(0);
node_2.layout.y = 11;
node_2.layout.x = 11;
node_2.layout.width = 178;
node_2.layout.height = 178;
}
}
}
test("should layout absolutely positioned node with absolutely positioned padded and bordered parent", root_node, root_layout);
}
/** END_GENERATED **/
}