bool UIWidget::setRect(const Rect& rect)
{
/*
if(rect.width() > 8192 || rect.height() > 8192) {
g_logger.error(stdext::format("attempt to set huge rect size (%s) for %s", stdext::to_string(rect), m_id));
return false;
}
*/
// only update if the rect really changed
Rect oldRect = m_rect;
if(rect == oldRect)
return false;
m_rect = rect;
// updates own layout
updateLayout();
// avoid massive update events
if(!m_updateEventScheduled) {
UIWidgetPtr self = static_self_cast<UIWidget>();
g_dispatcher.addEvent([self, oldRect]() {
self->m_updateEventScheduled = false;
if(oldRect != self->getRect())
self->onGeometryChange(oldRect, self->getRect());
});
m_updateEventScheduled = true;
}
// update hovered widget when moved behind mouse area
if(containsPoint(g_window.getMousePosition()))
g_ui.updateHoveredWidget();
return true;
}
bool UIWidget::setRect(const Rect& rect)
{
if(rect.width() > 8192 || rect.height() > 8192) {
logError("attempt to set huge rect size (", rect,") for ", m_id);
return false;
}
// only update if the rect really changed
Rect oldRect = m_rect;
if(rect == oldRect)
return false;
m_rect = rect;
// updates own layout
updateLayout();
// avoid massive update events
if(!m_updateEventScheduled) {
UIWidgetPtr self = asUIWidget();
g_eventDispatcher.addEvent([self, oldRect]() {
self->m_updateEventScheduled = false;
if(oldRect != self->getRect())
self->onGeometryChange(oldRect, self->getRect());
});
m_updateEventScheduled = true;
}
return true;
}
void UIWidget::bindRectToParent()
{
Rect boundRect = m_rect;
UIWidgetPtr parent = getParent();
if(parent) {
Rect parentRect = parent->getRect();
boundRect.bound(parentRect);
}
setRect(boundRect);
}
int UIAnchor::getHookedPoint(const UIWidgetPtr& hookedWidget, const UIWidgetPtr& parentWidget)
{
// determine hooked widget edge point
Rect hookedWidgetRect = hookedWidget->getRect();
if(hookedWidget == parentWidget)
hookedWidgetRect = parentWidget->getPaddingRect();
int point = 0;
switch(m_hookedEdge) {
case Fw::AnchorLeft:
point = hookedWidgetRect.left();
break;
case Fw::AnchorRight:
point = hookedWidgetRect.right();
break;
case Fw::AnchorTop:
point = hookedWidgetRect.top();
break;
case Fw::AnchorBottom:
point = hookedWidgetRect.bottom();
break;
case Fw::AnchorHorizontalCenter:
point = hookedWidgetRect.horizontalCenter();
break;
case Fw::AnchorVerticalCenter:
point = hookedWidgetRect.verticalCenter();
break;
default:
// must never happens
assert(false);
break;
}
if(hookedWidget == parentWidget) {
switch(m_hookedEdge) {
case Fw::AnchorLeft:
case Fw::AnchorRight:
case Fw::AnchorHorizontalCenter:
point -= parentWidget->getVirtualOffset().x;
break;
case Fw::AnchorBottom:
case Fw::AnchorTop:
case Fw::AnchorVerticalCenter:
point -= parentWidget->getVirtualOffset().y;
break;
default:
break;
}
}
return point;
}
void UIWidget::setRect(const Rect& rect)
{
// only update if the rect really changed
Rect oldRect = m_rect;
if(rect == oldRect)
return;
m_rect = rect;
// updates own layout
updateLayout();
// avoid massive update events
if(!m_updateEventScheduled) {
UIWidgetPtr self = asUIWidget();
g_dispatcher.addEvent([self, oldRect]() {
self->m_updateEventScheduled = false;
if(oldRect != self->getRect())
self->onGeometryChange(oldRect, self->getRect());
});
m_updateEventScheduled = true;
}
}
void UIAnchorLayout::updateWidget(const UIWidgetPtr& widget, UIAnchorGroup& anchorGroup)
{
UIWidgetPtr parentWidget = getParentWidget();
Rect newRect = widget->getRect();
bool verticalMoved = false;
bool horizontalMoved = false;
// calculates new rect based on anchors
for(const UIAnchor& anchor : anchorGroup.getAnchors()) {
// skip invalid anchors
if(anchor.getHookedEdge() == Fw::AnchorNone)
continue;
// determine hooked widget
UIWidgetPtr hookedWidget;
if(parentWidget) {
if(anchor.getHookedWidgetId() == "parent")
hookedWidget = parentWidget;
else if(anchor.getHookedWidgetId() == "next")
hookedWidget = parentWidget->getChildAfter(widget);
else if(anchor.getHookedWidgetId() == "prev")
hookedWidget = parentWidget->getChildBefore(widget);
else
hookedWidget = parentWidget->getChildById(anchor.getHookedWidgetId());
}
// skip invalid anchors
if(!hookedWidget)
continue;
if(hookedWidget != getParentWidget()) {
// update this hooked widget anchors
auto it = m_anchorsGroups.find(hookedWidget);
if(it != m_anchorsGroups.end()) {
UIAnchorGroup& hookedAnchorGroup = it->second;
if(!hookedAnchorGroup.isUpdated())
updateWidget(hookedWidget, hookedAnchorGroup);
}
}
// determine hooked widget edge point
int point = 0;
switch(anchor.getHookedEdge()) {
case Fw::AnchorLeft:
point = hookedWidget->getRect().left();
break;
case Fw::AnchorRight:
point = hookedWidget->getRect().right();
break;
case Fw::AnchorTop:
point = hookedWidget->getRect().top();
break;
case Fw::AnchorBottom:
point = hookedWidget->getRect().bottom();
break;
case Fw::AnchorHorizontalCenter:
point = hookedWidget->getRect().horizontalCenter();
break;
case Fw::AnchorVerticalCenter:
point = hookedWidget->getRect().verticalCenter();
break;
default:
// must never happens
assert(false);
break;
}
switch(anchor.getAnchoredEdge()) {
case Fw::AnchorHorizontalCenter:
newRect.moveHorizontalCenter(point + widget->getMarginLeft() - widget->getMarginRight());
horizontalMoved = true;
break;
case Fw::AnchorLeft:
if(!horizontalMoved) {
newRect.moveLeft(point + widget->getMarginLeft());
horizontalMoved = true;
} else
newRect.setLeft(point + widget->getMarginLeft());
break;
case Fw::AnchorRight:
if(!horizontalMoved) {
newRect.moveRight(point - widget->getMarginRight());
horizontalMoved = true;
} else
newRect.setRight(point - widget->getMarginRight());
break;
case Fw::AnchorVerticalCenter:
newRect.moveVerticalCenter(point + widget->getMarginTop() - widget->getMarginBottom());
verticalMoved = true;
break;
case Fw::AnchorTop:
if(!verticalMoved) {
newRect.moveTop(point + widget->getMarginTop());
verticalMoved = true;
} else
newRect.setTop(point + widget->getMarginTop());
break;
case Fw::AnchorBottom:
if(!verticalMoved) {
newRect.moveBottom(point - widget->getMarginBottom());
verticalMoved = true;
} else
newRect.setBottom(point - widget->getMarginBottom());
break;
default:
break;
}
}
widget->setRect(newRect);
anchorGroup.setUpdated(true);
}
bool UIAnchorLayout::updateWidget(const UIWidgetPtr& widget, UIAnchorGroup& anchorGroup, UIWidgetPtr first)
{
UIWidgetPtr parentWidget = getParentWidget();
if(!parentWidget)
return false;
if(first == widget) {
g_logger.error(stdext::format("child '%s' of parent widget '%s' is recursively anchored to itself, please fix this", widget->getId(), parentWidget->getId()));
return false;
}
if(!first)
first = widget;
Rect newRect = widget->getRect();
bool verticalMoved = false;
bool horizontalMoved = false;
// calculates new rect based on anchors
for(const UIAnchor& anchor : anchorGroup.getAnchors()) {
// skip invalid anchors
if(anchor.getHookedEdge() == Fw::AnchorNone)
continue;
// determine hooked widget
UIWidgetPtr hookedWidget;
if(parentWidget) {
if(anchor.getHookedWidgetId() == "parent")
hookedWidget = parentWidget;
else if(anchor.getHookedWidgetId() == "next")
hookedWidget = parentWidget->getChildAfter(widget);
else if(anchor.getHookedWidgetId() == "prev")
hookedWidget = parentWidget->getChildBefore(widget);
else
hookedWidget = parentWidget->getChildById(anchor.getHookedWidgetId());
}
// skip invalid anchors
if(!hookedWidget)
continue;
if(hookedWidget != getParentWidget()) {
// update this hooked widget anchors
auto it = m_anchorsGroups.find(hookedWidget);
if(it != m_anchorsGroups.end()) {
UIAnchorGroup& hookedAnchorGroup = it->second;
if(!hookedAnchorGroup.isUpdated())
updateWidget(hookedWidget, hookedAnchorGroup, first);
}
}
// determine hooked widget edge point
Rect hookedWidgetRect = hookedWidget->getRect();
if(hookedWidget == parentWidget)
hookedWidgetRect = parentWidget->getPaddingRect();
int point = 0;
switch(anchor.getHookedEdge()) {
case Fw::AnchorLeft:
point = hookedWidgetRect.left();
break;
case Fw::AnchorRight:
point = hookedWidgetRect.right();
break;
case Fw::AnchorTop:
point = hookedWidgetRect.top();
break;
case Fw::AnchorBottom:
point = hookedWidgetRect.bottom();
break;
case Fw::AnchorHorizontalCenter:
point = hookedWidgetRect.horizontalCenter();
break;
case Fw::AnchorVerticalCenter:
point = hookedWidgetRect.verticalCenter();
break;
default:
// must never happens
assert(false);
break;
}
if(hookedWidget == parentWidget) {
switch(anchor.getHookedEdge()) {
case Fw::AnchorLeft:
case Fw::AnchorRight:
case Fw::AnchorHorizontalCenter:
point -= parentWidget->getVirtualOffset().x;
break;
case Fw::AnchorBottom:
case Fw::AnchorTop:
case Fw::AnchorVerticalCenter:
point -= parentWidget->getVirtualOffset().y;
break;
default:
break;
}
}
switch(anchor.getAnchoredEdge()) {
case Fw::AnchorHorizontalCenter:
newRect.moveHorizontalCenter(point + widget->getMarginLeft() - widget->getMarginRight());
horizontalMoved = true;
break;
case Fw::AnchorLeft:
if(!horizontalMoved) {
newRect.moveLeft(point + widget->getMarginLeft());
horizontalMoved = true;
} else
newRect.setLeft(point + widget->getMarginLeft());
break;
case Fw::AnchorRight:
if(!horizontalMoved) {
newRect.moveRight(point - widget->getMarginRight());
horizontalMoved = true;
} else
newRect.setRight(point - widget->getMarginRight());
break;
case Fw::AnchorVerticalCenter:
newRect.moveVerticalCenter(point + widget->getMarginTop() - widget->getMarginBottom());
verticalMoved = true;
break;
case Fw::AnchorTop:
if(!verticalMoved) {
newRect.moveTop(point + widget->getMarginTop());
verticalMoved = true;
} else
newRect.setTop(point + widget->getMarginTop());
break;
case Fw::AnchorBottom:
if(!verticalMoved) {
newRect.moveBottom(point - widget->getMarginBottom());
verticalMoved = true;
} else
newRect.setBottom(point - widget->getMarginBottom());
break;
default:
break;
}
}
bool changed = false;
if(widget->setRect(newRect))
changed = true;
anchorGroup.setUpdated(true);
return changed;
}
bool UIAnchorLayout::updateWidget(const UIWidgetPtr& widget, const UIAnchorGroupPtr& anchorGroup, UIWidgetPtr first)
{
UIWidgetPtr parentWidget = getParentWidget();
if(!parentWidget)
return false;
if(first == widget) {
g_logger.error(stdext::format("child '%s' of parent widget '%s' is recursively anchored to itself, please fix this", widget->getId(), parentWidget->getId()));
return false;
}
if(!first)
first = widget;
Rect newRect = widget->getRect();
bool verticalMoved = false;
bool horizontalMoved = false;
// calculates new rect based on anchors
for(const UIAnchorPtr& anchor : anchorGroup->getAnchors()) {
// skip invalid anchors
if(anchor->getHookedEdge() == Fw::AnchorNone)
continue;
// determine hooked widget
UIWidgetPtr hookedWidget = anchor->getHookedWidget(widget, parentWidget);
// skip invalid anchors
if(!hookedWidget)
continue;
if(hookedWidget != getParentWidget()) {
// update this hooked widget anchors
auto it = m_anchorsGroups.find(hookedWidget);
if(it != m_anchorsGroups.end()) {
const UIAnchorGroupPtr& hookedAnchorGroup = it->second;
if(!hookedAnchorGroup->isUpdated())
updateWidget(hookedWidget, hookedAnchorGroup, first);
}
}
int point = anchor->getHookedPoint(hookedWidget, parentWidget);
switch(anchor->getAnchoredEdge()) {
case Fw::AnchorHorizontalCenter:
newRect.moveHorizontalCenter(point + widget->getMarginLeft() - widget->getMarginRight());
horizontalMoved = true;
break;
case Fw::AnchorLeft:
if(!horizontalMoved) {
newRect.moveLeft(point + widget->getMarginLeft());
horizontalMoved = true;
} else
newRect.setLeft(point + widget->getMarginLeft());
break;
case Fw::AnchorRight:
if(!horizontalMoved) {
newRect.moveRight(point - widget->getMarginRight());
horizontalMoved = true;
} else
newRect.setRight(point - widget->getMarginRight());
break;
case Fw::AnchorVerticalCenter:
newRect.moveVerticalCenter(point + widget->getMarginTop() - widget->getMarginBottom());
verticalMoved = true;
break;
case Fw::AnchorTop:
if(!verticalMoved) {
newRect.moveTop(point + widget->getMarginTop());
verticalMoved = true;
} else
newRect.setTop(point + widget->getMarginTop());
break;
case Fw::AnchorBottom:
if(!verticalMoved) {
newRect.moveBottom(point - widget->getMarginBottom());
verticalMoved = true;
} else
newRect.setBottom(point - widget->getMarginBottom());
break;
default:
break;
}
}
bool changed = false;
if(widget->setRect(newRect))
changed = true;
anchorGroup->setUpdated(true);
return changed;
}
