axmol/extensions/fairygui/RelationItem.cpp

655 lines
20 KiB
C++

#include "RelationItem.h"
#include "GComponent.h"
#include "GGroup.h"
#include "event/UIEventType.h"
#include "utils/WeakPtr.h"
NS_FGUI_BEGIN
USING_NS_AX;
RelationItem::RelationItem(GObject* owner) : _target(nullptr)
{
_owner = owner;
}
RelationItem::~RelationItem()
{
releaseRefTarget(_target.ptr());
}
void RelationItem::setTarget(GObject* value)
{
GObject* old = _target.ptr();
if (old != value)
{
if (old)
releaseRefTarget(old);
_target = value;
if (value)
addRefTarget(value);
}
}
void RelationItem::add(RelationType relationType, bool usePercent)
{
if (relationType == RelationType::Size)
{
add(RelationType::Width, usePercent);
add(RelationType::Height, usePercent);
return;
}
for (auto& it : _defs)
{
if (it.type == relationType)
return;
}
internalAdd(relationType, usePercent);
}
void RelationItem::internalAdd(RelationType relationType, bool usePercent)
{
if (relationType == RelationType::Size)
{
internalAdd(RelationType::Width, usePercent);
internalAdd(RelationType::Height, usePercent);
return;
}
RelationDef info;
info.percent = usePercent;
info.type = relationType;
info.axis = (relationType <= RelationType::Right_Right || relationType == RelationType::Width || (relationType >= RelationType::LeftExt_Left && relationType <= RelationType::RightExt_Right)) ? 0 : 1;
_defs.push_back(info);
if (usePercent || relationType == RelationType::Left_Center || relationType == RelationType::Center_Center || relationType == RelationType::Right_Center || relationType == RelationType::Top_Middle || relationType == RelationType::Middle_Middle || relationType == RelationType::Bottom_Middle)
_owner->setPixelSnapping(true);
}
void RelationItem::remove(RelationType relationType)
{
if (relationType == RelationType::Size)
{
remove(RelationType::Width);
remove(RelationType::Height);
return;
}
for (auto it = _defs.begin(); it != _defs.end(); ++it)
{
if (it->type == relationType)
{
_defs.erase(it);
break;
}
}
}
void RelationItem::copyFrom(const RelationItem& source)
{
setTarget(source._target.ptr());
_defs.clear();
for (auto& it : source._defs)
_defs.push_back(it);
}
bool RelationItem::isEmpty() const
{
return _defs.size() == 0;
}
void RelationItem::applyOnSelfSizeChanged(float dWidth, float dHeight, bool applyPivot)
{
if (_target == nullptr || _defs.size() == 0)
return;
float ox = _owner->_position.x;
float oy = _owner->_position.y;
for (auto& it : _defs)
{
switch (it.type)
{
case RelationType::Center_Center:
_owner->setX(_owner->_position.x - (0.5 - (applyPivot ? _owner->_pivot.x : 0)) * dWidth);
break;
case RelationType::Right_Center:
case RelationType::Right_Left:
case RelationType::Right_Right:
_owner->setX(_owner->_position.x - (1 - (applyPivot ? _owner->_pivot.x : 0)) * dWidth);
break;
case RelationType::Middle_Middle:
_owner->setY(_owner->_position.y - (0.5 - (applyPivot ? _owner->_pivot.y : 0)) * dHeight);
break;
case RelationType::Bottom_Middle:
case RelationType::Bottom_Top:
case RelationType::Bottom_Bottom:
_owner->setY(_owner->_position.y - (1 - (applyPivot ? _owner->_pivot.y : 0)) * dHeight);
break;
default:
break;
}
}
if (ox != _owner->_position.x || oy != _owner->_position.y)
{
ox = _owner->_position.x - ox;
oy = _owner->_position.y - oy;
_owner->updateGearFromRelations(1, ox, oy);
if (_owner->_parent != nullptr)
{
const Vector<Transition*>& arr = _owner->_parent->getTransitions();
for (auto& it : arr)
it->updateFromRelations(_owner->id, ox, oy);
}
}
}
void RelationItem::applyOnXYChanged(GObject* target, const RelationDef& info, float dx, float dy)
{
float tmp;
switch (info.type)
{
case RelationType::Left_Left:
case RelationType::Left_Center:
case RelationType::Left_Right:
case RelationType::Center_Center:
case RelationType::Right_Left:
case RelationType::Right_Center:
case RelationType::Right_Right:
_owner->setX(_owner->_position.x + dx);
break;
case RelationType::Top_Top:
case RelationType::Top_Middle:
case RelationType::Top_Bottom:
case RelationType::Middle_Middle:
case RelationType::Bottom_Top:
case RelationType::Bottom_Middle:
case RelationType::Bottom_Bottom:
_owner->setY(_owner->_position.y + dy);
break;
case RelationType::Width:
case RelationType::Height:
break;
case RelationType::LeftExt_Left:
case RelationType::LeftExt_Right:
if (_owner != target->getParent())
{
tmp = _owner->getXMin();
_owner->setWidth(_owner->_rawSize.width - dx);
_owner->setXMin(tmp + dx);
}
else
_owner->setWidth(_owner->_rawSize.width - dx);
break;
case RelationType::RightExt_Left:
case RelationType::RightExt_Right:
if (_owner != target->getParent())
{
tmp = _owner->getXMin();
_owner->setWidth(_owner->_rawSize.width + dx);
_owner->setXMin(tmp);
}
else
_owner->setWidth(_owner->_rawSize.width + dx);
break;
case RelationType::TopExt_Top:
case RelationType::TopExt_Bottom:
if (_owner != target->getParent())
{
tmp = _owner->getYMin();
_owner->setHeight(_owner->_rawSize.height - dy);
_owner->setYMin(tmp + dy);
}
else
_owner->setHeight(_owner->_rawSize.height - dy);
break;
case RelationType::BottomExt_Top:
case RelationType::BottomExt_Bottom:
if (_owner != target->getParent())
{
tmp = _owner->getYMin();
_owner->setHeight(_owner->_rawSize.height + dy);
_owner->setYMin(tmp);
}
else
_owner->setHeight(_owner->_rawSize.height + dy);
break;
default:
break;
}
}
void RelationItem::applyOnSizeChanged(GObject* target, const RelationDef& info)
{
float pos = 0, pivot = 0, delta = 0;
if (info.axis == 0)
{
if (target != _owner->_parent)
{
pos = target->_position.x;
if (target->_pivotAsAnchor)
pivot = target->_pivot.x;
}
if (info.percent)
{
if (_targetData.z != 0)
delta = target->_size.width / _targetData.z;
}
else
delta = target->_size.width - _targetData.z;
}
else
{
if (target != _owner->_parent)
{
pos = target->_position.y;
if (target->_pivotAsAnchor)
pivot = target->_pivot.y;
}
if (info.percent)
{
if (_targetData.w != 0)
delta = target->_size.height / _targetData.w;
}
else
delta = target->_size.height - _targetData.w;
}
float v, tmp;
switch (info.type)
{
case RelationType::Left_Left:
if (info.percent)
_owner->setXMin(pos + (_owner->getXMin() - pos) * delta);
else if (pivot != 0)
_owner->setX(_owner->_position.x + delta * (-pivot));
break;
case RelationType::Left_Center:
if (info.percent)
_owner->setXMin(pos + (_owner->getXMin() - pos) * delta);
else
_owner->setX(_owner->_position.x + delta * (0.5f - pivot));
break;
case RelationType::Left_Right:
if (info.percent)
_owner->setXMin(pos + (_owner->getXMin() - pos) * delta);
else
_owner->setX(_owner->_position.x + delta * (1 - pivot));
break;
case RelationType::Center_Center:
if (info.percent)
_owner->setXMin(pos + (_owner->getXMin() + _owner->_rawSize.width * 0.5f - pos) * delta - _owner->_rawSize.width * 0.5f);
else
_owner->setX(_owner->_position.x + delta * (0.5f - pivot));
break;
case RelationType::Right_Left:
if (info.percent)
_owner->setXMin(pos + (_owner->getXMin() + _owner->_rawSize.width - pos) * delta - _owner->_rawSize.width);
else if (pivot != 0)
_owner->setX(_owner->_position.x + delta * (-pivot));
break;
case RelationType::Right_Center:
if (info.percent)
_owner->setXMin(pos + (_owner->getXMin() + _owner->_rawSize.width - pos) * delta - _owner->_rawSize.width);
else
_owner->setX(_owner->_position.x + delta * (0.5f - pivot));
break;
case RelationType::Right_Right:
if (info.percent)
_owner->setXMin(pos + (_owner->getXMin() + _owner->_rawSize.width - pos) * delta - _owner->_rawSize.width);
else
_owner->setX(_owner->_position.x + delta * (1 - pivot));
break;
case RelationType::Top_Top:
if (info.percent)
_owner->setYMin(pos + (_owner->getYMin() - pos) * delta);
else if (pivot != 0)
_owner->setY(_owner->_position.y + delta * (-pivot));
break;
case RelationType::Top_Middle:
if (info.percent)
_owner->setYMin(pos + (_owner->getYMin() - pos) * delta);
else
_owner->setY(_owner->_position.y + delta * (0.5f - pivot));
break;
case RelationType::Top_Bottom:
if (info.percent)
_owner->setYMin(pos + (_owner->getYMin() - pos) * delta);
else
_owner->setY(_owner->_position.y + delta * (1 - pivot));
break;
case RelationType::Middle_Middle:
if (info.percent)
_owner->setYMin(pos + (_owner->getYMin() + _owner->_rawSize.height * 0.5f - pos) * delta - _owner->_rawSize.height * 0.5f);
else
_owner->setY(_owner->_position.y + delta * (0.5f - pivot));
break;
case RelationType::Bottom_Top:
if (info.percent)
_owner->setYMin(pos + (_owner->getYMin() + _owner->_rawSize.height - pos) * delta - _owner->_rawSize.height);
else if (pivot != 0)
_owner->setY(_owner->_position.y + delta * (-pivot));
break;
case RelationType::Bottom_Middle:
if (info.percent)
_owner->setYMin(pos + (_owner->getYMin() + _owner->_rawSize.height - pos) * delta - _owner->_rawSize.height);
else
_owner->setY(_owner->_position.y + delta * (0.5f - pivot));
break;
case RelationType::Bottom_Bottom:
if (info.percent)
_owner->setYMin(pos + (_owner->getYMin() + _owner->_rawSize.height - pos) * delta - _owner->_rawSize.height);
else
_owner->setY(_owner->_position.y + delta * (1 - pivot));
break;
case RelationType::Width:
if (_owner->_underConstruct && _owner == target->_parent)
v = _owner->sourceSize.width - target->initSize.width;
else
v = _owner->_rawSize.width - _targetData.z;
if (info.percent)
v = v * delta;
if (_target == _owner->_parent)
{
if (_owner->_pivotAsAnchor)
{
tmp = _owner->getXMin();
_owner->setSize(target->_size.width + v, _owner->_rawSize.height, true);
_owner->setXMin(tmp);
}
else
_owner->setSize(target->_size.width + v, _owner->_rawSize.height, true);
}
else
_owner->setWidth(target->_size.width + v);
break;
case RelationType::Height:
if (_owner->_underConstruct && _owner == target->_parent)
v = _owner->sourceSize.height - target->initSize.height;
else
v = _owner->_rawSize.height - _targetData.w;
if (info.percent)
v = v * delta;
if (_target == _owner->_parent)
{
if (_owner->_pivotAsAnchor)
{
tmp = _owner->getYMin();
_owner->setSize(_owner->_rawSize.width, target->_size.height + v, true);
_owner->setYMin(tmp);
}
else
_owner->setSize(_owner->_rawSize.width, target->_size.height + v, true);
}
else
_owner->setHeight(target->_size.height + v);
break;
case RelationType::LeftExt_Left:
tmp = _owner->getXMin();
if (info.percent)
v = pos + (tmp - pos) * delta - tmp;
else
v = delta * (-pivot);
_owner->setWidth(_owner->_rawSize.width - v);
_owner->setXMin(tmp + v);
break;
case RelationType::LeftExt_Right:
tmp = _owner->getXMin();
if (info.percent)
v = pos + (tmp - pos) * delta - tmp;
else
v = delta * (1 - pivot);
_owner->setWidth(_owner->_rawSize.width - v);
_owner->setXMin(tmp + v);
break;
case RelationType::RightExt_Left:
tmp = _owner->getXMin();
if (info.percent)
v = pos + (tmp + _owner->_rawSize.width - pos) * delta - (tmp + _owner->_rawSize.width);
else
v = delta * (-pivot);
_owner->setWidth(_owner->_rawSize.width + v);
_owner->setXMin(tmp);
break;
case RelationType::RightExt_Right:
tmp = _owner->getXMin();
if (info.percent)
{
if (_owner == target->_parent)
{
if (_owner->_underConstruct)
_owner->setWidth(pos + target->_size.width - target->_size.width * pivot +
(_owner->sourceSize.width - pos - target->initSize.width + target->initSize.width * pivot) * delta);
else
_owner->setWidth(pos + (_owner->_rawSize.width - pos) * delta);
}
else
{
v = pos + (tmp + _owner->_rawSize.width - pos) * delta - (tmp + _owner->_rawSize.width);
_owner->setWidth(_owner->_rawSize.width + v);
_owner->setXMin(tmp);
}
}
else
{
if (_owner == target->_parent)
{
if (_owner->_underConstruct)
_owner->setWidth(_owner->sourceSize.width + (target->_size.width - target->initSize.width) * (1 - pivot));
else
_owner->setWidth(_owner->_rawSize.width + delta * (1 - pivot));
}
else
{
v = delta * (1 - pivot);
_owner->setWidth(_owner->_rawSize.width + v);
_owner->setXMin(tmp);
}
}
break;
case RelationType::TopExt_Top:
tmp = _owner->getYMin();
if (info.percent)
v = pos + (tmp - pos) * delta - tmp;
else
v = delta * (-pivot);
_owner->setHeight(_owner->_rawSize.height - v);
_owner->setYMin(tmp + v);
break;
case RelationType::TopExt_Bottom:
tmp = _owner->getYMin();
if (info.percent)
v = pos + (tmp - pos) * delta - tmp;
else
v = delta * (1 - pivot);
_owner->setHeight(_owner->_rawSize.height - v);
_owner->setYMin(tmp + v);
break;
case RelationType::BottomExt_Top:
tmp = _owner->getYMin();
if (info.percent)
v = pos + (tmp + _owner->_rawSize.height - pos) * delta - (tmp + _owner->_rawSize.height);
else
v = delta * (-pivot);
_owner->setHeight(_owner->_rawSize.height + v);
_owner->setYMin(tmp);
break;
case RelationType::BottomExt_Bottom:
tmp = _owner->getYMin();
if (info.percent)
{
if (_owner == target->_parent)
{
if (_owner->_underConstruct)
_owner->setHeight(pos + target->_size.height - target->_size.height * pivot +
(_owner->sourceSize.height - pos - target->initSize.height + target->initSize.height * pivot) * delta);
else
_owner->setHeight(pos + (_owner->_rawSize.height - pos) * delta);
}
else
{
v = pos + (tmp + _owner->_rawSize.height - pos) * delta - (tmp + _owner->_rawSize.height);
_owner->setHeight(_owner->_rawSize.height + v);
_owner->setYMin(tmp);
}
}
else
{
if (_owner == target->_parent)
{
if (_owner->_underConstruct)
_owner->setHeight(_owner->sourceSize.height + (target->_size.height - target->initSize.height) * (1 - pivot));
else
_owner->setHeight(_owner->_rawSize.height + delta * (1 - pivot));
}
else
{
v = delta * (1 - pivot);
_owner->setHeight(_owner->_rawSize.height + v);
_owner->setYMin(tmp);
}
}
break;
default:
break;
}
}
void RelationItem::addRefTarget(GObject* target)
{
if (!target)
return;
if (target != _owner->_parent)
target->addEventListener(UIEventType::PositionChange, CC_CALLBACK_1(RelationItem::onTargetXYChanged, this), EventTag(this));
target->addEventListener(UIEventType::SizeChange, CC_CALLBACK_1(RelationItem::onTargetSizeChanged, this), EventTag(this));
_targetData.x = target->_position.x;
_targetData.y = target->_position.y;
_targetData.z = target->_size.width;
_targetData.w = target->_size.height;
}
void RelationItem::releaseRefTarget(GObject* target)
{
if (!target)
return;
target->removeEventListener(UIEventType::PositionChange, EventTag(this));
target->removeEventListener(UIEventType::SizeChange, EventTag(this));
}
void RelationItem::onTargetXYChanged(EventContext* context)
{
GObject* target = (GObject*)context->getSender();
if (_owner->relations()->handling != nullptr || (_owner->_group != nullptr && _owner->_group->_updating != 0))
{
_targetData.x = target->_position.x;
_targetData.y = target->_position.y;
return;
}
_owner->relations()->handling = target;
float ox = _owner->_position.x;
float oy = _owner->_position.y;
float dx = target->_position.x - _targetData.x;
float dy = target->_position.y - _targetData.y;
for (auto& it : _defs)
applyOnXYChanged(target, it, dx, dy);
_targetData.x = target->_position.x;
_targetData.y = target->_position.y;
if (ox != _owner->_position.x || oy != _owner->_position.y)
{
ox = _owner->_position.x - ox;
oy = _owner->_position.y - oy;
_owner->updateGearFromRelations(1, ox, oy);
if (_owner->_parent != nullptr)
{
const Vector<Transition*>& arr = _owner->_parent->getTransitions();
for (auto& it : arr)
it->updateFromRelations(_owner->id, ox, oy);
}
}
_owner->relations()->handling = nullptr;
}
void RelationItem::onTargetSizeChanged(EventContext* context)
{
GObject* target = (GObject*)context->getSender();
if (_owner->relations()->handling != nullptr || (_owner->_group != nullptr && _owner->_group->_updating != 0))
{
_targetData.z = target->_size.width;
_targetData.w = target->_size.height;
return;
}
_owner->relations()->handling = target;
float ox = _owner->_position.x;
float oy = _owner->_position.y;
float ow = _owner->_rawSize.width;
float oh = _owner->_rawSize.height;
for (auto& it : _defs)
applyOnSizeChanged(target, it);
_targetData.z = target->_size.width;
_targetData.w = target->_size.height;
if (ox != _owner->_position.x || oy != _owner->_position.y)
{
ox = _owner->_position.x - ox;
oy = _owner->_position.y - oy;
_owner->updateGearFromRelations(1, ox, oy);
if (_owner->_parent != nullptr)
{
const Vector<Transition*>& arr = _owner->_parent->getTransitions();
for (auto& it : arr)
it->updateFromRelations(_owner->id, ox, oy);
}
}
if (ow != _owner->_rawSize.width || oh != _owner->_rawSize.height)
{
ow = _owner->_rawSize.width - ow;
oh = _owner->_rawSize.height - oh;
_owner->updateGearFromRelations(2, ow, oh);
}
_owner->relations()->handling = nullptr;
}
NS_FGUI_END