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ui more error proning

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This commit is contained in:
Eduardo Bart
2011-04-10 18:12:42 -03:00
parent 992e0a8a6b
commit dcbe4855bd
7 changed files with 62 additions and 132 deletions
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37
src/framework/ui/uilayout.cpp
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@@ -46,35 +46,55 @@ int AnchorLine::getPos() const
return 0;
}
}
logError("anchor line of an element have expired");
logError("anchor line of an element has expired, your UI is missconfigured");
return 0;
}
void UILayout::setSize(const Size& size)
{
m_rect.setSize(size);
// rect updated, recalculate itself and anchored elements positions
recalculateAnchors();
}
void UILayout::setRect(const Rect& rect)
{
m_rect = rect;
// rect updated, recalculate itself and anchored elements positions
recalculateAnchors();
}
void UILayout::addAnchor(EAnchorType type, const AnchorLine& anchorLine)
bool UILayout::addAnchor(EAnchorType type, const AnchorLine& anchorLine)
{
if(!anchorLine.isValid()) {
logError("anchoring for an element has failed, got an invalid anchor line");
return;
// we can never anchor with itself
if(anchorLine.getRelativeElement() == asUILayout()) {
logError("anchoring with itself is not possible");
return false;
}
// check if this layout is already anchored with the relative element
// this only happens in missconfigurations
for(auto it = m_anchoredElements.begin(); it != m_anchoredElements.end(); ++it) {
if((*it).lock() == anchorLine.getRelativeElement()) {
logError("anchoring elements with each other is not possible");
return false;
}
}
// setup the anchor
m_anchors[type] = anchorLine;
anchorLine.getRelativeElement()->addAnchoredElement(asUILayout());
// recalculate itself and anchored elements
recalculateAnchors();
return true;
}
void UILayout::addAnchoredElement(UILayoutPtr anchoredElement)
{
// check if is already anchored
bool found = false;
for(auto it = m_anchoredElements.begin(); it != m_anchoredElements.end(); ++it) {
if((*it).lock() == anchoredElement) {
@@ -82,13 +102,15 @@ void UILayout::addAnchoredElement(UILayoutPtr anchoredElement)
break;
}
}
// if not anchor it
if(!found)
m_anchoredElements.push_back(anchoredElement);
}
void UILayout::recalculateAnchors()
{
// horizontal
// recalculate horizontal position
if(m_anchors[ANCHOR_HORIZONTAL_CENTER].isValid()) {
m_rect.moveHorizontalCenter(m_anchors[ANCHOR_HORIZONTAL_CENTER].getPos() + m_marginLeft - m_marginRight);
} else {
@@ -102,7 +124,7 @@ void UILayout::recalculateAnchors()
}
}
// vertical
// recalculate vertical position
if(m_anchors[ANCHOR_VERTICAL_CENTER].isValid()) {
m_rect.moveVerticalCenter(m_anchors[ANCHOR_VERTICAL_CENTER].getPos() + m_marginTop - m_marginBottom);
} else {
@@ -116,6 +138,7 @@ void UILayout::recalculateAnchors()
}
}
// recalculate anchored elements positions
for(auto it = m_anchoredElements.begin(); it != m_anchoredElements.end(); ++it) {
UILayoutPtr element = (*it).lock();
if(element)