tibia-client/src/framework/ui/uiverticallayout.cpp

103 lines
3.8 KiB
C++

/*
* Copyright (c) 2010-2013 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 "uiverticallayout.h"
#include "uiwidget.h"
#include <framework/core/eventdispatcher.h>
void UIVerticalLayout::applyStyle(const OTMLNodePtr& styleNode)
{
UIBoxLayout::applyStyle(styleNode);
for(const OTMLNodePtr& node : styleNode->children()) {
if(node->tag() == "align-bottom")
setAlignBottom(node->value<bool>());
}
}
bool UIVerticalLayout::internalUpdate()
{
bool changed = false;
UIWidgetPtr parentWidget = getParentWidget();
if(!parentWidget)
return false;
UIWidgetList widgets = parentWidget->getChildren();
if(m_alignBottom)
std::reverse(widgets.begin(), widgets.end());
Rect paddingRect = parentWidget->getPaddingRect();
Point pos = (m_alignBottom) ? paddingRect .bottomLeft() : paddingRect.topLeft();
int preferredHeight = 0;
int gap;
for(const UIWidgetPtr& widget : widgets) {
if(!widget->isExplicitlyVisible())
continue;
Size size = widget->getSize();
gap = (m_alignBottom) ? -(widget->getMarginBottom()+widget->getHeight()) : widget->getMarginTop();
pos.y += gap;
preferredHeight += gap;
if(widget->isFixedSize()) {
// center it
if(widget->getTextAlign() & Fw::AlignLeft) {
pos.x = paddingRect.left() + widget->getMarginLeft();
} else if(widget->getTextAlign() & Fw::AlignLeft) {
pos.x = paddingRect.bottom() - widget->getHeight() - widget->getMarginBottom();
pos.x = std::max<int>(pos.x, paddingRect.left());
} else {
pos.x = paddingRect.left() + (paddingRect.width() - (widget->getMarginLeft() + widget->getWidth() + widget->getMarginRight()))/2;
pos.x = std::max<int>(pos.x, paddingRect.left());
}
} else {
// expand width
size.setWidth(paddingRect.width() - (widget->getMarginLeft() + widget->getMarginRight()));
pos.x = paddingRect.left() + (paddingRect.width() - size.width())/2;
}
if(widget->setRect(Rect(pos - parentWidget->getVirtualOffset(), size)))
changed = true;
gap = (m_alignBottom) ? -widget->getMarginTop() : (widget->getHeight() + widget->getMarginBottom());
gap += m_spacing;
pos.y += gap;
preferredHeight += gap;
}
preferredHeight -= m_spacing;
preferredHeight += parentWidget->getPaddingTop() + parentWidget->getPaddingBottom();
if(m_fitChildren && preferredHeight != parentWidget->getHeight()) {
// must set the preferred width later
g_dispatcher.addEvent([=] {
parentWidget->setHeight(preferredHeight);
});
}
return changed;
}