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Code Issues 33 Projects Packages Wiki Activity Actions

CtrlCore: Ctrl::GetAscendant

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git-svn-id: svn://ultimatepp.org/upp/trunk@13756 f0d560ea-af0d-0410-9eb7-867de7ffcac7
This commit is contained in:
cxl 2019-12-12 13:07:50 +00:00
parent 3bfe127a5e
commit cc61e89ff7
2 changed files with 18 additions and 0 deletions
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12
uppsrc/CtrlCore/CtrlCore.h
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@ -912,6 +912,8 @@ public:
int GetChildIndex(const Ctrl *child) const;
Ctrl *GetIndexChild(int i) const;
int GetChildCount() const;
template <class T>
T *GetAscendant() const;
int GetViewChildIndex(const Ctrl *child) const;
int GetViewChildCount() const;
@ -1662,6 +1664,16 @@ void WriteClipboardHTML(const String& html);
#include GUIPLATFORM_INCLUDE_AFTER
template <class T>
T *Ctrl::GetAscendant() const
{
T *main;
for(Ctrl *p = GetParent(); p; p = p->GetParent())
if(T *a = dynamic_cast<T*>(p))
return a;
return NULL;
}
}
#endif

6
uppsrc/CtrlCore/src.tpp/Ctrl_en-us.tpp
View file

@ -988,6 +988,12 @@ st]&]
sequential scan of child (results in O(n) complexity).&]
[s3; &]
[s4;%- &]
[s5;:Upp`:`:Ctrl`:`:GetAscendant`(`)const:%- [@(0.0.255) template]_<[@(0.0.255) class]_[*@4 T
]>_[*@4 T]_`*[* GetAscendant]()_[@(0.0.255) const]&]
[s2; Returns first ascendant (parent, parent of parent etc..) that
has type [%-*@4 T].&]
[s3;%- &]
[s4;%- &]
[s5;:Ctrl`:`:GetIndexChild`(int`)const:%- [_^Ctrl^ Ctrl]_`*[* GetIndexChild]([@(0.0.255) in
t]_[*@3 i])_[@(0.0.255) const]&]
[s2; Retruns child at index [%-*@3 i] or NULL if there is none. Note