FIXED: Widgets will no longer get stuck in the widget hierarchy tree, when deleting their parent.
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parent
7662138dec
commit
8c2db11be3
4 changed files with 109 additions and 28 deletions
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@ -70,6 +70,14 @@ namespace NLGUI
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{
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public:
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/// Watches CInterfaceElement deletions
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class IDeletionWatcher
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{
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public:
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IDeletionWatcher(){}
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virtual ~IDeletionWatcher(){}
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virtual void onDeleted( const std::string &name ){}
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};
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enum EStrech
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{
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@ -489,6 +497,12 @@ namespace NLGUI
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/// Called when the widget is removed from it's parent group
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virtual void onRemoved(){}
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/// Registers a deletion watcher
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static void registerDeletionWatcher( IDeletionWatcher *watcher );
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/// Unregisters a deletion watcher
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static void unregisterDeletionWatcher( IDeletionWatcher *watcher );
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protected:
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bool editorSelected;
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@ -549,6 +563,11 @@ namespace NLGUI
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void parseSizeRef(const char *sizeRefStr, sint32 &sizeref, sint32 &sizeDivW, sint32 &sizeDivH);
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private:
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/// Notifies the deletion watchers that this interface element is being deleted
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void notifyDeletionWatchers();
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static std::vector< IDeletionWatcher* > deletionWatchers;
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//void snapSize();
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bool serializable;
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@ -32,6 +32,7 @@ using namespace NLMISC;
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namespace NLGUI
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{
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bool CInterfaceElement::editorMode = false;
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std::vector< CInterfaceElement::IDeletionWatcher* > CInterfaceElement::deletionWatchers;
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// ------------------------------------------------------------------------------------------------
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CInterfaceElement::~CInterfaceElement()
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@ -44,6 +45,7 @@ namespace NLGUI
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}
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delete _Links;
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}
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notifyDeletionWatchers();
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}
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// ------------------------------------------------------------------------------------------------
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@ -1551,6 +1553,36 @@ namespace NLGUI
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}
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}
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void CInterfaceElement::registerDeletionWatcher( IDeletionWatcher *watcher )
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{
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std::vector< IDeletionWatcher* >::iterator itr
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= std::find( deletionWatchers.begin(), deletionWatchers.end(), watcher );
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// Already registered
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if( itr != deletionWatchers.end() )
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return;
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deletionWatchers.push_back( watcher );
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}
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void CInterfaceElement::unregisterDeletionWatcher( IDeletionWatcher *watcher )
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{
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std::vector< IDeletionWatcher* >::iterator itr
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= std::find( deletionWatchers.begin(), deletionWatchers.end(), watcher );
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// Not registered
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if( itr == deletionWatchers.end() )
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return;
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deletionWatchers.erase( itr );
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}
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void CInterfaceElement::notifyDeletionWatchers()
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{
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std::vector< IDeletionWatcher* >::iterator itr = deletionWatchers.begin();
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while( itr != deletionWatchers.end() )
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{
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(*itr)->onDeleted( _Id );
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++itr;
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}
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}
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CStringMapper* CStringShared::_UIStringMapper = NULL;
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@ -56,6 +56,26 @@ namespace
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name = s.toUtf8().constData();
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return name;
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}
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class CWidgetDeletionWatcher : public CInterfaceElement::IDeletionWatcher
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{
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public:
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CWidgetDeletionWatcher(){ h = NULL; }
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~CWidgetDeletionWatcher(){}
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void onDeleted( const std::string &id ){
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if( h != NULL )
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h->onWidgetDeleted( id );
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}
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void setWidgetHierarchy( GUIEditor::WidgetHierarchy *h ){ this->h = h; }
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private:
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GUIEditor::WidgetHierarchy *h;
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};
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CWidgetDeletionWatcher deletionWatcher;
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}
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namespace GUIEditor
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@ -66,6 +86,7 @@ namespace GUIEditor
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setupUi( this );
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connect( widgetHT, SIGNAL( itemDoubleClicked( QTreeWidgetItem*, int ) ),
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this, SLOT( onItemDblClicked( QTreeWidgetItem* ) ) );
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deletionWatcher.setWidgetHierarchy( this );
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}
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WidgetHierarchy::~WidgetHierarchy()
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@ -74,6 +95,7 @@ namespace GUIEditor
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void WidgetHierarchy::clearHierarchy()
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{
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CInterfaceElement::unregisterDeletionWatcher( &deletionWatcher );
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widgetHT->clear();
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widgetHierarchyMap.clear();
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}
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@ -81,6 +103,7 @@ namespace GUIEditor
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void WidgetHierarchy::buildHierarchy( std::string &masterGroup )
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{
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clearHierarchy();
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CInterfaceElement::registerDeletionWatcher( &deletionWatcher );
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CInterfaceGroup *mg = CWidgetManager::getInstance()->getMasterGroupFromId( masterGroup );
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if( mg != NULL )
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@ -131,6 +154,39 @@ namespace GUIEditor
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}
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}
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void WidgetHierarchy::onWidgetDeleted( const std::string &id )
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{
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std::map< std::string, QTreeWidgetItem* >::iterator itr
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= widgetHierarchyMap.find( id );
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if( itr == widgetHierarchyMap.end() )
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return;
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if( widgetHT->currentItem() == itr->second )
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{
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QTreeWidgetItem *item = itr->second;
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QTreeWidgetItem *p = item;
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// Deselect item
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item->setSelected( false );
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widgetHT->setCurrentItem( NULL );
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// Collapse the tree
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while( p != NULL )
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{
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p->setExpanded( false );
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p = p->parent();
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}
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currentSelection = "";
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}
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itr->second->setSelected( false );
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delete itr->second;
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itr->second = NULL;
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widgetHierarchyMap.erase( itr );
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}
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void WidgetHierarchy::onGUILoaded()
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{
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if( masterGroup.empty() )
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@ -145,35 +201,7 @@ namespace GUIEditor
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return;
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if( newSelection.empty() )
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{
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if( widgetHT->currentItem() != NULL )
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{
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QTreeWidgetItem *item = widgetHT->currentItem();
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QTreeWidgetItem *p = item;
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// Deselect item
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item->setSelected( false );
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widgetHT->setCurrentItem( NULL );
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// Collapse the tree
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while( p != NULL )
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{
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p->setExpanded( false );
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p = p->parent();
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}
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// Finally remove the item!
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delete item;
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item = NULL;
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std::map< std::string, QTreeWidgetItem* >::iterator itr =
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widgetHierarchyMap.find( currentSelection );
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if( itr != widgetHierarchyMap.end() )
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widgetHierarchyMap.erase( itr );
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currentSelection = "";
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}
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return;
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}
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std::map< std::string, QTreeWidgetItem* >::iterator itr =
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widgetHierarchyMap.find( newSelection );
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@ -42,6 +42,8 @@ namespace GUIEditor
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void clearHierarchy();
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void buildHierarchy( std::string &masterGroup );
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void onWidgetDeleted( const std::string &id );
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private:
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void buildHierarchy( QTreeWidgetItem *parent, NLGUI::CInterfaceGroup *group );
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