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124 lines
4.5 KiB
124 lines
4.5 KiB
13 years ago
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/* The MIT License
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*
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* Copyright (c) 2010 OTClient, https://github.com/edubart/otclient
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include "anchorlayout.h"
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int AnchorLine::getPos() const
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{
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AnchorLayoutPtr element = m_relativeElement.lock();
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if(element) {
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switch(m_anchorType) {
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case ANCHOR_LEFT:
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return element->getRect().left();
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case ANCHOR_RIGHT:
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return element->getRect().right();
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case ANCHOR_TOP:
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return element->getRect().top();
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case ANCHOR_BOTTOM:
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return element->getRect().bottom();
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case ANCHOR_HORIZONTAL_CENTER:
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return element->getRect().horizontalCenter();
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case ANCHOR_VERTICAL_CENTER:
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return element->getRect().verticalCenter();
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default:
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return 0;
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}
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}
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logError("anchor line of an element have expired");
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return 0;
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}
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void AnchorLayout::setSize(const Size& size)
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{
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m_rect.setSize(size);
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recalculateAnchors();
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}
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void AnchorLayout::setRect(const Rect& rect)
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{
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m_rect = rect;
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recalculateAnchors();
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}
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void AnchorLayout::addAnchor(EAnchorType type, const AnchorLine& anchorLine)
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{
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if(!anchorLine.isValid()) {
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logError("anchoring for an element has failed, got an invalid anchor line");
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return;
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}
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m_anchors[type] = anchorLine;
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anchorLine.getRelativeElement()->addAnchoredElement(asAnchorLayout());
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recalculateAnchors();
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}
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void AnchorLayout::addAnchoredElement(AnchorLayoutPtr anchoredElement)
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{
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bool found = false;
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for(auto it = m_anchoredElements.begin(); it != m_anchoredElements.end(); ++it) {
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if((*it).lock() == anchoredElement) {
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found = true;
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break;
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}
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}
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if(!found)
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m_anchoredElements.push_back(anchoredElement);
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}
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void AnchorLayout::recalculateAnchors()
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{
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// horizontal
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if(m_anchors[ANCHOR_HORIZONTAL_CENTER].isValid()) {
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m_rect.moveHorizontalCenter(m_anchors[ANCHOR_HORIZONTAL_CENTER].getPos() + m_marginLeft - m_marginRight);
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} else {
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if(m_anchors[ANCHOR_LEFT].isValid() && m_anchors[ANCHOR_RIGHT].isValid()) {
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m_rect.setLeft(m_anchors[ANCHOR_LEFT].getPos() + m_marginLeft);
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m_rect.setRight(m_anchors[ANCHOR_RIGHT].getPos() - m_marginRight);
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} else if(m_anchors[ANCHOR_LEFT].isValid()) {
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m_rect.moveLeft(m_anchors[ANCHOR_LEFT].getPos() + m_marginLeft);
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} else if(m_anchors[ANCHOR_RIGHT].isValid()) {
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m_rect.moveRight(m_anchors[ANCHOR_RIGHT].getPos() - m_marginRight);
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}
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}
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// vertical
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if(m_anchors[ANCHOR_VERTICAL_CENTER].isValid()) {
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m_rect.moveVerticalCenter(m_anchors[ANCHOR_VERTICAL_CENTER].getPos() + m_marginTop - m_marginBottom);
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} else {
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if(m_anchors[ANCHOR_TOP].isValid() && m_anchors[ANCHOR_BOTTOM].isValid()) {
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m_rect.setLeft(m_anchors[ANCHOR_TOP].getPos() + m_marginTop);
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m_rect.setRight(m_anchors[ANCHOR_BOTTOM].getPos() - m_marginBottom);
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} else if(m_anchors[ANCHOR_TOP].isValid()) {
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m_rect.moveTop(m_anchors[ANCHOR_TOP].getPos() + m_marginTop);
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} else if(m_anchors[ANCHOR_BOTTOM].isValid()) {
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m_rect.moveBottom(m_anchors[ANCHOR_BOTTOM].getPos() - m_marginBottom);
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}
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}
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for(auto it = m_anchoredElements.begin(); it != m_anchoredElements.end(); ++it) {
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AnchorLayoutPtr element = (*it).lock();
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if(element)
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element->recalculateAnchors();
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}
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}
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