182 lines
6.8 KiB
C++
182 lines
6.8 KiB
C++
/* The MIT License
|
|
*
|
|
* Copyright (c) 2010 OTClient, https://github.com/edubart/otclient
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
* of this software and associated documentation files (the "Software"), to deal
|
|
* in the Software without restriction, including without limitation the rights
|
|
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
* copies of the Software, and to permit persons to whom the Software is
|
|
* furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be included in
|
|
* all copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
* THE SOFTWARE.
|
|
*/
|
|
|
|
|
|
#include <prerequisites.h>
|
|
#include <ui/uianchorlayout.h>
|
|
|
|
UIElementPtr Anchor::getAnchorLineElement() const
|
|
{
|
|
if(!m_anchoredElement.expired())
|
|
return m_anchoredElement.lock()->backwardsGetElementById(m_anchorLine.getElementId());
|
|
return UIElementPtr();
|
|
}
|
|
|
|
int Anchor::getAnchorLinePoint() const
|
|
{
|
|
UIElementPtr anchorLineElement = getAnchorLineElement();
|
|
if(anchorLineElement) {
|
|
switch(m_anchorLine.getEdge()) {
|
|
case UI::AnchorLeft:
|
|
return anchorLineElement->getRect().left();
|
|
case UI::AnchorRight:
|
|
return anchorLineElement->getRect().right();
|
|
case UI::AnchorTop:
|
|
return anchorLineElement->getRect().top();
|
|
case UI::AnchorBottom:
|
|
return anchorLineElement->getRect().bottom();
|
|
case UI::AnchorHorizontalCenter:
|
|
return anchorLineElement->getRect().horizontalCenter();
|
|
case UI::AnchorVerticalCenter:
|
|
return anchorLineElement->getRect().verticalCenter();
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
return -9999;
|
|
}
|
|
bool UIAnchorLayout::addAnchor(const UIElementPtr& anchoredElement, UI::AnchorPoint anchoredEdge, const AnchorLine& anchorLine)
|
|
{
|
|
Anchor anchor(anchoredElement, anchoredEdge, anchorLine);
|
|
UIElementPtr anchorLineElement = anchor.getAnchorLineElement();
|
|
|
|
if(!anchorLineElement) {
|
|
logError("ERROR: could not find the element to anchor on, wrong id?");
|
|
return false;
|
|
}
|
|
|
|
// we can never anchor with itself
|
|
if(anchoredElement == anchorLineElement) {
|
|
logError("ERROR: anchoring with itself is not possible");
|
|
return false;
|
|
}
|
|
|
|
// we must never anchor to an anchor child
|
|
if(hasElementInAnchorTree(anchorLineElement, anchoredElement)) {
|
|
logError("ERROR: anchors is miss configurated, you must never make anchor chains in loops");
|
|
return false;
|
|
}
|
|
|
|
// setup the anchor
|
|
m_anchors.push_back(anchor);
|
|
|
|
// recalculate anchored element layout
|
|
recalculateElementLayout(anchoredElement);
|
|
return true;
|
|
}
|
|
|
|
void UIAnchorLayout::recalculateElementLayout(const UIElementPtr& element)
|
|
{
|
|
Rect rect = element->getRect();
|
|
bool verticalMoved = false;
|
|
bool horizontalMoved = false;
|
|
|
|
foreach(const Anchor& anchor, m_anchors) {
|
|
if(anchor.getAnchoredElement() == element && anchor.getAnchorLineElement()) {
|
|
int point = anchor.getAnchorLinePoint();
|
|
switch(anchor.getAnchoredEdge()) {
|
|
case UI::AnchorHorizontalCenter:
|
|
rect.moveHorizontalCenter(point + element->getMarginLeft() - element->getMarginRight());
|
|
horizontalMoved = true;
|
|
break;
|
|
case UI::AnchorLeft:
|
|
if(!horizontalMoved) {
|
|
rect.moveLeft(point + element->getMarginLeft());
|
|
horizontalMoved = true;
|
|
} else
|
|
rect.setLeft(point + element->getMarginLeft());
|
|
break;
|
|
case UI::AnchorRight:
|
|
if(!horizontalMoved) {
|
|
rect.moveRight(point - element->getMarginRight());
|
|
horizontalMoved = true;
|
|
} else
|
|
rect.setRight(point - element->getMarginRight());
|
|
break;
|
|
case UI::AnchorVerticalCenter:
|
|
rect.moveVerticalCenter(point + element->getMarginTop() - element->getMarginBottom());
|
|
verticalMoved = true;
|
|
break;
|
|
case UI::AnchorTop:
|
|
if(!verticalMoved) {
|
|
rect.moveTop(point + element->getMarginTop());
|
|
verticalMoved = true;
|
|
} else
|
|
rect.setTop(point + element->getMarginTop());
|
|
break;
|
|
case UI::AnchorBottom:
|
|
if(!verticalMoved) {
|
|
rect.moveBottom(point - element->getMarginBottom());
|
|
verticalMoved = true;
|
|
} else
|
|
rect.setBottom(point - element->getMarginBottom());
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
if(rect != element->getRect())
|
|
element->setRect(rect);
|
|
}
|
|
|
|
void UIAnchorLayout::recalculateChildrenLayout(const UIElementPtr& parent)
|
|
{
|
|
foreach(const Anchor& anchor, m_anchors) {
|
|
if(anchor.getAnchorLineElement() == parent) {
|
|
UIElementPtr child = anchor.getAnchoredElement();
|
|
if(child)
|
|
recalculateElementLayout(child);
|
|
}
|
|
}
|
|
}
|
|
|
|
bool UIAnchorLayout::hasElementInAnchorTree(const UIElementPtr& element, const UIElementPtr& treeAnchor)
|
|
{
|
|
foreach(const Anchor& anchor, m_anchors) {
|
|
if(anchor.getAnchorLineElement() == treeAnchor) {
|
|
if(anchor.getAnchoredElement() == element || hasElementInAnchorTree(element, anchor.getAnchoredElement()))
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
UI::AnchorPoint UIAnchorLayout::parseAnchorPoint(const std::string& anchorPointStr)
|
|
{
|
|
if(anchorPointStr == "left")
|
|
return UI::AnchorLeft;
|
|
else if(anchorPointStr == "right")
|
|
return UI::AnchorRight;
|
|
else if(anchorPointStr == "top")
|
|
return UI::AnchorTop;
|
|
else if(anchorPointStr == "bottom")
|
|
return UI::AnchorBottom;
|
|
else if(anchorPointStr == "horizontalCenter")
|
|
return UI::AnchorHorizontalCenter;
|
|
else if(anchorPointStr == "verticalCenter")
|
|
return UI::AnchorVerticalCenter;
|
|
return UI::AnchorNone;
|
|
}
|