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122 lines
3.5 KiB
122 lines
3.5 KiB
/* 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 <prerequisites.h>
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#include <core/dispatcher.h>
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#include <graphics/graphics.h>
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#include <ui/uielement.h>
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#include <ui/uiskins.h>
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#include <ui/uielementskin.h>
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#include <ui/uicontainer.h>
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UIElement::UIElement(UI::EElementType type) :
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UILayout(),
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m_type(type),
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m_visible(true),
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m_enabled(true),
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m_focused(false)
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{
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}
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void UIElement::destroy()
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{
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if(m_onDestroyCallback)
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g_dispatcher.addTask(boost::bind(m_onDestroyCallback, asUIElement()));
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if(getParent()) {
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// schedule removal from parent
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g_dispatcher.addTask(boost::bind(&UIContainer::removeChild, getParent(), asUIElement()));
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}
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// schedule internal destroy
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g_dispatcher.addTask(boost::bind(&UIElement::internalOnDestroy, asUIElement()));
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}
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void UIElement::internalOnDestroy()
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{
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setVisible(false);
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setEnabled(false);
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// check for leaks, the number of references must be always 2 here
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assert(asUIElement().use_count() == 2);
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}
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void UIElement::setSkin(const UIElementSkinPtr& skin)
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{
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m_skin = skin;
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if(skin)
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skin->apply(this);
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}
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void UIElement::onLoad()
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{
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if(m_onLoadCallback)
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g_dispatcher.addTask(boost::bind(m_onLoadCallback, asUIElement()));
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}
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void UIElement::render()
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{
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if(m_skin)
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m_skin->draw(this);
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//g_graphics.drawBoundingRect(getRect());
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}
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UIElementPtr UIElement::backwardsGetElementById(const std::string& id)
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{
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if(getId() == id)
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return asUIElement();
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UIElementPtr element;
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if(asUIContainer()) {
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element = asUIContainer()->recursiveGetChildById(id);
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if(element)
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return element;
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}
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if(getParent())
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element = getParent()->backwardsGetElementById(id);
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return element;
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}
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void UIElement::moveTo(Point pos)
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{
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Rect newRect = getRect();
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newRect.moveTo(pos);
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// bound newRect to parent rect
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UIContainerPtr parent = getParent();
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if(parent) {
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Rect parentRect = parent->getRect();
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if(newRect.left() < parentRect.left())
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newRect.moveLeft(parentRect.left());
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if(newRect.top() < parentRect.top())
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newRect.moveTop(parentRect.top());
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if(newRect.bottom() > parentRect.bottom())
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newRect.moveBottom(parentRect.bottom());
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if(newRect.right() > parentRect.right())
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newRect.moveRight(parentRect.right());
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}
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setRect(newRect);
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}
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