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Doric/doric-Qt/example/doric/utils/DoricLayouts.cpp
2021-05-20 18:27:45 +08:00

740 lines
24 KiB
C++

#include "DoricLayouts.h"
#include "shader/DoricScrollerNode.h"
DoricLayouts::DoricLayouts(QObject *parent) : QObject(parent) {
this->widthSpec = DoricLayoutSpec::DoricLayoutJust;
this->heightSpec = DoricLayoutSpec::DoricLayoutJust;
this->alignment = 0;
this->gravity = 0;
this->width = 0;
this->height = 0;
this->spacing = 0;
this->marginBottom = 0;
this->marginTop = 0;
this->marginLeft = 0;
this->marginRight = 0;
this->paddingLeft = 0;
this->paddingRight = 0;
this->paddingBottom = 0;
this->paddingTop = 0;
this->weight = 0;
this->layoutType = DoricLayoutType::DoricUndefined;
this->disabled = false;
this->maxWidth = INT_MAX;
this->maxHeight = INT_MAX;
this->minWidth = 0;
this->minHeight = 0;
this->measuredWidth = 0;
this->measuredHeight = 0;
this->measuredX = 0;
this->measuredY = 0;
this->undefined = false;
this->contentWidth = 0;
this->contentHeight = 0;
}
void DoricLayouts::setWidthSpec(int widthSpec) { this->widthSpec = widthSpec; }
void DoricLayouts::setHeightSpec(int heightSpec) {
this->heightSpec = heightSpec;
}
void DoricLayouts::setAlignment(int alignment) { this->alignment = alignment; }
void DoricLayouts::setGravity(int gravity) { this->gravity = gravity; }
void DoricLayouts::setWidth(qreal width) { this->width = width; }
void DoricLayouts::setHeight(qreal height) { this->height = height; }
void DoricLayouts::setSpacing(qreal spacing) { this->spacing = spacing; }
void DoricLayouts::setMarginLeft(qreal marginLeft) {
this->marginLeft = marginLeft;
}
void DoricLayouts::setMarginTop(qreal marginTop) {
this->marginTop = marginTop;
}
void DoricLayouts::setMarginRight(qreal marginRight) {
this->marginRight = marginRight;
}
void DoricLayouts::setMarginBottom(qreal marginBottom) {
this->marginBottom = marginBottom;
}
void DoricLayouts::setPaddingLeft(qreal paddingLeft) {
this->paddingLeft = paddingLeft;
}
void DoricLayouts::setPaddingTop(qreal paddingTop) {
this->paddingTop = paddingTop;
}
void DoricLayouts::setPaddingRight(qreal paddingRight) {
this->paddingRight = paddingRight;
}
void DoricLayouts::setPaddingBottom(qreal paddingBottom) {
this->paddingBottom = paddingBottom;
}
void DoricLayouts::setWeight(int weight) { this->weight = weight; }
void DoricLayouts::setView(QQuickItem *view) {
this->view = view;
this->setParent(view);
this->tag = view->property("tag").toString();
}
void DoricLayouts::setLayoutType(int layoutType) {
this->layoutType = layoutType;
}
void DoricLayouts::setDisabled(bool disabled) { this->disabled = disabled; }
void DoricLayouts::setMaxWidth(qreal maxWidth) { this->maxWidth = maxWidth; }
void DoricLayouts::setMaxHeight(qreal maxHeight) {
this->maxHeight = maxHeight;
}
void DoricLayouts::setMinWidth(qreal minWidth) { this->minWidth = minWidth; }
void DoricLayouts::setMinHeight(qreal minHeight) {
this->minHeight = minHeight;
}
void DoricLayouts::apply(QSizeF frameSize) {
this->resolved = false;
this->measure(frameSize);
this->setFrame();
this->resolved = true;
}
void DoricLayouts::apply() {
this->apply(QSizeF(this->view->width(), this->view->height()));
}
void DoricLayouts::measure(QSizeF targetSize) {
this->measureSelf(targetSize);
this->layout();
}
void DoricLayouts::measureSelf(QSizeF targetSize) {
// measure width
qreal width;
if (this->widthSpec == DoricLayoutSpec::DoricLayoutMost) {
QQuickItem *parent = this->view->parentItem();
if (parent == nullptr) {
// incase parent is scroller
width = targetSize.width();
setMeasuredWidth(targetSize.width());
} else {
DoricLayouts *parentDoricLayout =
(DoricLayouts *)(parent->property("doricLayout").toULongLong());
if (parentDoricLayout != nullptr &&
parentDoricLayout->widthSpec == DoricLayoutSpec::DoricLayoutFit) {
width = targetSize.width();
} else if (parentDoricLayout != nullptr &&
parentDoricLayout->layoutType ==
DoricLayoutType::DoricHLayout &&
this->weight > 0) {
width = 0;
setMeasuredWidth(0);
} else {
width = targetSize.width();
setMeasuredWidth(targetSize.width());
}
}
} else if (this->widthSpec == DoricLayoutSpec::DoricLayoutJust) {
width = this->width;
setMeasuredWidth(this->width);
} else {
width = targetSize.width();
}
// measure height
qreal height;
if (this->heightSpec == DoricLayoutSpec::DoricLayoutMost) {
QQuickItem *parent = this->view->parentItem();
if (parent == nullptr) {
// incase parent is scroller
height = targetSize.height();
setMeasuredHeight(targetSize.height());
} else {
DoricLayouts *parentDoricLayout =
(DoricLayouts *)(parent->property("doricLayout").toULongLong());
if (parentDoricLayout != nullptr &&
parentDoricLayout->layoutType == DoricLayoutType::DoricVLayout &&
this->weight > 0) {
height = 0;
setMeasuredHeight(0);
} else {
height = targetSize.height();
setMeasuredHeight(targetSize.height());
}
}
} else if (this->heightSpec == DoricLayoutSpec::DoricLayoutJust) {
height = this->height;
setMeasuredHeight(this->height);
} else {
height = targetSize.height();
}
// measure content
this->measureContent(QSizeF(width - this->paddingLeft - this->paddingRight,
height - this->paddingTop - this->paddingBottom));
if (this->restrainSize()) {
this->measureContent(
QSizeF(this->measuredWidth - this->paddingLeft - this->paddingRight,
this->measuredHeight - this->paddingTop - this->paddingBottom));
}
this->restrainSize();
}
void DoricLayouts::measureContent(QSizeF targetSize) {
qCritical() << "measureContent: " << tag << this->view->property("uuid");
switch (this->layoutType) {
case DoricLayoutType::DoricStack: {
this->measureStackContent(targetSize);
break;
}
case DoricLayoutType::DoricVLayout: {
this->measureVLayoutContent(targetSize);
break;
}
case DoricLayoutType::DoricHLayout: {
this->measureHLayoutContent(targetSize);
break;
}
default: {
this->measureUndefinedContent(targetSize);
break;
}
}
QQuickItem *parent = this->view->parentItem();
if (parent != nullptr) {
DoricLayouts *parentDoricLayout =
(DoricLayouts *)(parent->property("doricLayout").toULongLong());
if (parentDoricLayout != nullptr) {
if (parentDoricLayout->widthSpec == DoricLayoutSpec::DoricLayoutFit &&
this->widthSpec == DoricLayoutSpec::DoricLayoutMost) {
setMeasuredWidth(this->contentWidth + this->paddingLeft +
this->paddingRight);
}
if (parentDoricLayout->heightSpec == DoricLayoutSpec::DoricLayoutFit &&
this->heightSpec == DoricLayoutSpec::DoricLayoutMost) {
setMeasuredHeight(this->contentHeight + this->paddingTop +
this->paddingBottom);
}
}
}
}
void DoricLayouts::measureUndefinedContent(QSizeF targetSize) {
// begin size that fits
QSizeF measuredSize;
if (tag == "Scroller") {
QObject *object =
(QObject *)(this->view->property("wrapper").toULongLong());
DoricScrollerNode *viewNode = dynamic_cast<DoricScrollerNode *>(object);
measuredSize = viewNode->sizeThatFits(targetSize);
} else {
qreal actualWidth = this->view->width();
qreal actualHeight = this->view->height();
measuredSize = QSizeF(actualWidth, actualHeight);
}
// end size that fits
if (this->widthSpec == DoricLayoutSpec::DoricLayoutFit) {
setMeasuredWidth(measuredSize.width() + this->paddingLeft +
this->paddingRight);
}
if (this->heightSpec == DoricLayoutSpec::DoricLayoutFit) {
setMeasuredHeight(measuredSize.height() + this->paddingTop +
this->paddingBottom);
}
}
void DoricLayouts::measureStackContent(QSizeF targetSize) {
qreal contentWidth = 0, contentHeight = 0;
foreach (QQuickItem *subview, this->view->childItems()) {
DoricLayouts *layout =
(DoricLayouts *)(subview->property("doricLayout").toULongLong());
if (layout == nullptr) {
continue;
}
if (layout->disabled) {
continue;
}
layout->measure(layout->removeMargin(targetSize));
contentWidth = qMax(contentWidth, layout->takenWidth());
contentHeight = qMax(contentHeight, layout->takenHeight());
}
if (this->widthSpec == DoricLayoutSpec::DoricLayoutFit) {
setMeasuredWidth(contentWidth + this->paddingLeft + this->paddingRight);
}
if (this->heightSpec == DoricLayoutSpec::DoricLayoutFit) {
setMeasuredHeight(contentHeight + this->paddingTop + this->paddingBottom);
}
this->contentWidth = contentWidth;
this->contentHeight = contentHeight;
}
void DoricLayouts::measureVLayoutContent(QSizeF targetSize) {
qreal contentWidth = 0, contentHeight = 0, contentWeight = 0;
bool had = false;
foreach (QQuickItem *subview, this->view->childItems()) {
DoricLayouts *layout =
(DoricLayouts *)(subview->property("doricLayout").toULongLong());
if (layout == nullptr) {
continue;
}
if (layout->disabled) {
continue;
}
had = true;
layout->measure(layout->removeMargin(
QSizeF(targetSize.width(), targetSize.height() - contentHeight)));
contentWidth = qMax(contentWidth, layout->takenWidth());
contentHeight += layout->takenHeight() + this->spacing;
contentWeight += layout->weight;
}
if (had) {
contentHeight -= this->spacing;
}
if (contentWeight > 0) {
qreal remaining = targetSize.height() - contentHeight;
contentWidth = 0;
foreach (QQuickItem *subview, this->view->childItems()) {
DoricLayouts *layout =
(DoricLayouts *)(subview->property("doricLayout").toULongLong());
if (layout == nullptr) {
continue;
}
if (layout->disabled) {
continue;
}
qreal measuredHeight =
layout->measuredHeight + remaining / contentWeight * layout->weight;
layout->measuredHeight = measuredHeight;
// Need Remeasure
layout->measureContent(QSizeF(
layout->measuredWidth - layout->paddingLeft - layout->paddingRight,
measuredHeight - layout->paddingTop - layout->paddingBottom));
layout->measuredHeight = measuredHeight;
contentWidth = qMax(contentWidth, layout->takenWidth());
}
contentHeight = targetSize.height();
}
if (this->widthSpec == DoricLayoutSpec::DoricLayoutFit) {
setMeasuredWidth(contentWidth + this->paddingLeft + this->paddingRight);
}
if (this->heightSpec == DoricLayoutSpec::DoricLayoutFit) {
setMeasuredHeight(contentHeight + this->paddingTop + this->paddingBottom);
}
this->contentWidth = contentWidth;
this->contentHeight = contentHeight;
}
void DoricLayouts::measureHLayoutContent(QSizeF targetSize) {
qreal contentWidth = 0, contentHeight = 0, contentWeight = 0;
bool had = false;
foreach (QQuickItem *subview, this->view->childItems()) {
DoricLayouts *layout =
(DoricLayouts *)(subview->property("doricLayout").toULongLong());
if (layout == nullptr) {
continue;
}
if (layout->disabled) {
continue;
}
had = true;
layout->measure(layout->removeMargin(
QSizeF(targetSize.width() - contentWidth, targetSize.height())));
contentWidth += layout->takenWidth() + this->spacing;
contentHeight = qMax(contentHeight, layout->takenHeight());
contentWeight += layout->weight;
}
if (had) {
contentWidth -= this->spacing;
}
if (contentWeight > 0) {
qreal remaining = targetSize.width() - contentWidth;
contentHeight = 0;
foreach (QQuickItem *subview, this->view->childItems()) {
DoricLayouts *layout =
(DoricLayouts *)(subview->property("doricLayout").toULongLong());
if (layout == nullptr) {
continue;
}
if (layout->disabled) {
continue;
}
qreal measuredWidth =
layout->measuredWidth + remaining / contentWeight * layout->weight;
layout->measuredWidth = measuredWidth;
// Need Remeasure
layout->measureContent(QSizeF(
measuredWidth - layout->paddingLeft - layout->paddingRight,
layout->measuredHeight - layout->paddingTop - layout->paddingBottom));
layout->measuredWidth = measuredWidth;
contentHeight = qMax(contentHeight, layout->takenHeight());
}
contentWidth = targetSize.width();
}
if (this->widthSpec == DoricLayoutSpec::DoricLayoutFit) {
setMeasuredWidth(contentWidth + this->paddingLeft + this->paddingRight);
}
if (this->heightSpec == DoricLayoutSpec::DoricLayoutFit) {
setMeasuredHeight(contentHeight + this->paddingTop + this->paddingBottom);
}
this->contentWidth = contentWidth;
this->contentHeight = contentHeight;
}
qreal DoricLayouts::takenWidth() {
return this->measuredWidth + this->marginLeft + this->marginRight;
}
qreal DoricLayouts::takenHeight() {
return this->measuredHeight + this->marginTop + this->marginBottom;
}
QSizeF DoricLayouts::removeMargin(QSizeF targetSize) {
return QSizeF(targetSize.width() - this->marginLeft - this->marginRight,
targetSize.height() - this->marginTop - this->marginBottom);
}
bool DoricLayouts::restrainSize() {
bool needRemeasure = false;
if (this->measuredWidth > this->maxWidth) {
setMeasuredWidth(this->maxWidth);
needRemeasure = true;
}
if (this->measuredHeight > this->maxHeight) {
setMeasuredHeight(this->maxHeight);
needRemeasure = true;
}
if (this->measuredWidth < this->minWidth) {
setMeasuredWidth(this->minWidth);
needRemeasure = true;
}
if (this->measuredHeight < this->minHeight) {
setMeasuredHeight(this->minHeight);
needRemeasure = true;
}
return needRemeasure;
}
void DoricLayouts::layout() {
switch (this->layoutType) {
case DoricLayoutType::DoricStack: {
this->layoutStack();
break;
}
case DoricLayoutType::DoricVLayout: {
this->layoutVLayout();
break;
}
case DoricLayoutType::DoricHLayout: {
this->layoutHLayout();
break;
}
default: {
break;
}
}
}
void DoricLayouts::setFrame() {
if (this->layoutType != DoricLayoutType::DoricUndefined) {
foreach (QQuickItem *subview, this->view->childItems()) {
DoricLayouts *layout =
(DoricLayouts *)(subview->property("doricLayout").toULongLong());
if (layout == nullptr) {
continue;
}
layout->setFrame();
}
}
qCritical() << "DoricLayouts setProperty: " << tag
<< this->view->property("uuid")
<< " measuredWidth: " << this->measuredWidth
<< " measuredHeight: " << this->measuredHeight
<< " width: " << this->view->width()
<< " height: " << this->view->height()
<< " measuredX: " << this->measuredX
<< " measuredY: " << this->measuredY;
if (qAbs(this->measuredWidth - this->view->width()) >= 0.00001f)
this->view->setProperty("width", this->measuredWidth);
if (qAbs(this->measuredHeight - this->view->height()) >= 0.00001f)
this->view->setProperty("height", this->measuredHeight);
this->view->setProperty("x", this->measuredX);
this->view->setProperty("y", this->measuredY);
}
void DoricLayouts::layoutStack() {
foreach (QQuickItem *subview, this->view->childItems()) {
DoricLayouts *layout =
(DoricLayouts *)(subview->property("doricLayout").toULongLong());
if (layout == nullptr) {
continue;
}
if (layout->disabled) {
continue;
}
if (this->widthSpec == DoricLayoutSpec::DoricLayoutFit &&
layout->widthSpec == DoricLayoutSpec::DoricLayoutMost) {
layout->measuredWidth =
this->contentWidth - layout->marginLeft - layout->marginRight;
}
if (this->heightSpec == DoricLayoutSpec::DoricLayoutFit &&
layout->heightSpec == DoricLayoutSpec::DoricLayoutMost) {
layout->measuredHeight =
this->contentHeight - layout->marginTop - layout->marginBottom;
}
layout->layout();
int gravity = layout->alignment;
if ((gravity & DoricGravity::DoricGravityLeft) ==
DoricGravity::DoricGravityLeft) {
layout->setMeasuredX(this->paddingLeft);
} else if ((gravity & DoricGravity::DoricGravityRight) ==
DoricGravity::DoricGravityRight) {
layout->setMeasuredX(this->measuredWidth - this->paddingRight -
layout->measuredWidth);
} else if ((gravity & DoricGravity::DoricGravityCenterX) ==
DoricGravity::DoricGravityCenterX) {
layout->setMeasuredX(this->measuredWidth / 2 - layout->measuredWidth / 2);
} else {
layout->setMeasuredX(this->paddingLeft);
}
if ((gravity & DoricGravity::DoricGravityTop) ==
DoricGravity::DoricGravityTop) {
layout->setMeasuredY(this->paddingTop);
} else if ((gravity & DoricGravity::DoricGravityBottom) ==
DoricGravity::DoricGravityBottom) {
layout->setMeasuredY(this->measuredHeight - this->paddingBottom -
layout->measuredHeight);
} else if ((gravity & DoricGravity::DoricGravityCenterY) ==
DoricGravity::DoricGravityCenterY) {
layout->setMeasuredY(this->measuredHeight / 2 -
layout->measuredHeight / 2);
} else {
layout->setMeasuredY(this->paddingTop);
}
if (!gravity) {
gravity = DoricGravity::DoricGravityLeft | DoricGravity::DoricGravityTop;
}
if (layout->marginLeft && !((gravity & DoricGravity::DoricGravityRight) ==
DoricGravity::DoricGravityRight)) {
layout->measuredX += layout->marginLeft;
}
if (layout->marginRight && !((gravity & DoricGravity::DoricGravityLeft) ==
DoricGravity::DoricGravityLeft)) {
layout->measuredX -= layout->marginRight;
}
if (layout->marginTop && !((gravity & DoricGravity::DoricGravityBottom) ==
DoricGravity::DoricGravityBottom)) {
layout->measuredY += layout->marginTop;
}
if (layout->marginBottom && !((gravity & DoricGravity::DoricGravityTop) ==
DoricGravity::DoricGravityTop)) {
layout->measuredY -= layout->marginBottom;
}
}
}
void DoricLayouts::layoutVLayout() {
qreal yStart = this->paddingTop;
if ((this->gravity & DoricGravity::DoricGravityTop) ==
DoricGravity::DoricGravityTop) {
yStart = this->paddingTop;
} else if ((this->gravity & DoricGravity::DoricGravityBottom) ==
DoricGravity::DoricGravityBottom) {
yStart = this->measuredHeight - this->contentHeight - this->paddingBottom;
} else if ((this->gravity & DoricGravity::DoricGravityCenterY) ==
DoricGravity::DoricGravityCenterY) {
yStart = (this->measuredHeight - this->contentHeight - this->paddingTop -
this->paddingBottom) /
2 +
this->paddingTop;
}
foreach (QQuickItem *subview, this->view->childItems()) {
DoricLayouts *layout =
(DoricLayouts *)(subview->property("doricLayout").toULongLong());
if (layout == nullptr) {
continue;
}
if (layout->disabled) {
continue;
}
if (this->widthSpec == DoricLayoutSpec::DoricLayoutFit &&
layout->widthSpec == DoricLayoutSpec::DoricLayoutMost) {
layout->measuredWidth =
this->contentWidth - layout->marginLeft - layout->marginRight;
}
layout->layout();
int gravity = layout->alignment | this->gravity;
if ((gravity & DoricGravity::DoricGravityLeft) ==
DoricGravity::DoricGravityLeft) {
layout->setMeasuredX(this->paddingLeft);
} else if ((gravity & DoricGravity::DoricGravityRight) ==
DoricGravity::DoricGravityRight) {
layout->setMeasuredX(this->measuredWidth - this->paddingRight -
layout->measuredWidth);
} else if ((gravity & DoricGravity::DoricGravityCenterX) ==
DoricGravity::DoricGravityCenterX) {
layout->setMeasuredX(this->measuredWidth / 2 - layout->measuredWidth / 2);
} else {
layout->setMeasuredX(this->paddingLeft);
}
if (!gravity) {
gravity = DoricGravity::DoricGravityLeft;
}
if (layout->marginLeft && !((gravity & DoricGravity::DoricGravityRight) ==
DoricGravity::DoricGravityRight)) {
layout->measuredX += layout->marginLeft;
}
if (layout->marginRight && !((gravity & DoricGravity::DoricGravityLeft) ==
DoricGravity::DoricGravityLeft)) {
layout->measuredX -= layout->marginRight;
}
layout->setMeasuredY(yStart + layout->marginTop);
yStart += this->spacing + layout->takenHeight();
}
}
void DoricLayouts::layoutHLayout() {
qreal xStart = this->paddingLeft;
if ((this->gravity & DoricGravity::DoricGravityLeft) ==
DoricGravity::DoricGravityLeft) {
xStart = this->paddingLeft;
} else if ((this->gravity & DoricGravity::DoricGravityRight) ==
DoricGravity::DoricGravityRight) {
xStart = this->measuredWidth - this->contentWidth - this->paddingRight;
} else if ((this->gravity & DoricGravity::DoricGravityCenterX) ==
DoricGravity::DoricGravityCenterX) {
xStart = (this->measuredWidth - this->contentWidth - this->paddingLeft -
this->paddingRight) /
2 +
this->paddingLeft;
}
foreach (QQuickItem *subview, this->view->childItems()) {
DoricLayouts *layout =
(DoricLayouts *)(subview->property("doricLayout").toULongLong());
if (layout == nullptr) {
continue;
}
if (layout->disabled) {
continue;
}
if (this->heightSpec == DoricLayoutSpec::DoricLayoutFit &&
layout->heightSpec == DoricLayoutSpec::DoricLayoutMost) {
layout->measuredHeight =
this->contentHeight - layout->marginTop - layout->marginBottom;
}
layout->layout();
int gravity = layout->alignment | this->gravity;
if ((gravity & DoricGravity::DoricGravityTop) ==
DoricGravity::DoricGravityTop) {
layout->setMeasuredY(this->paddingTop);
} else if ((gravity & DoricGravity::DoricGravityBottom) ==
DoricGravity::DoricGravityBottom) {
layout->setMeasuredY(this->measuredHeight - this->paddingBottom -
layout->measuredHeight);
} else if ((gravity & DoricGravity::DoricGravityCenterY) ==
DoricGravity::DoricGravityCenterY) {
layout->setMeasuredY(this->measuredHeight / 2 -
layout->measuredHeight / 2);
} else {
layout->setMeasuredY(this->paddingTop);
}
if (!gravity) {
gravity = DoricGravity::DoricGravityTop;
}
if (layout->marginTop && !((gravity & DoricGravity::DoricGravityBottom) ==
DoricGravity::DoricGravityBottom)) {
layout->measuredY += layout->marginTop;
}
if (layout->marginBottom && !((gravity & DoricGravity::DoricGravityTop) ==
DoricGravity::DoricGravityTop)) {
layout->measuredY -= layout->marginBottom;
}
layout->setMeasuredX(xStart + layout->marginLeft);
xStart += this->spacing + layout->takenWidth();
}
}
// Private Section
void DoricLayouts::setMeasuredWidth(qreal measuredWidth) {
this->measuredWidth = measuredWidth;
qCritical() << "DoricLayouts: " << tag << this->view->property("uuid")
<< " measuredWidth: " << this->measuredWidth;
}
qreal DoricLayouts::getMeasuredWidth() { return this->measuredWidth; }
void DoricLayouts::setMeasuredHeight(qreal measuredHeight) {
this->measuredHeight = measuredHeight;
qCritical() << "DoricLayouts: " << tag << this->view->property("uuid")
<< " measuredHeight: " << this->measuredHeight;
}
qreal DoricLayouts::getMeasuredHeight() { return this->measuredHeight; }
void DoricLayouts::setMeasuredX(qreal measuredX) {
this->measuredX = measuredX;
qCritical() << "DoricLayouts: " << tag << this->view->property("uuid")
<< " measuredX: " << this->measuredX;
}
void DoricLayouts::setMeasuredY(qreal measuredY) {
this->measuredY = measuredY;
qCritical() << "DoricLayouts: " << tag << this->view->property("uuid")
<< " measuredY: " << this->measuredY;
}