ImPool< T > Struct Template Reference

#include <src/imgui/imgui_internal.h>

Inheritance diagram for ImPool< T >:

Collaboration diagram for ImPool< T >:

Public Member Functions
	ImPool ()
	~ImPool ()
T *	GetByKey (ImGuiID key)
T *	GetByIndex (ImPoolIdx n)
ImPoolIdx	GetIndex (const T *p) const
T *	GetOrAddByKey (ImGuiID key)
bool	Contains (const T *p) const
void	Clear ()
T *	Add ()
void	Remove (ImGuiID key, const T *p)
void	Remove (ImGuiID key, ImPoolIdx idx)
void	Reserve (int capacity)
int	GetSize () const

Public Attributes
ImVector< T >	Buf
ImGuiStorage	Map
ImPoolIdx	FreeIdx

Detailed Description

template<typename T>
struct ImPool< T >

Constructor & Destructor Documentation

ImPool()

template<typename T >

ImPool< T >::ImPool ( )

inline

{ FreeIdx = 0; }

~ImPool()

template<typename T >

ImPool< T >::~ImPool ( )

inline

{ Clear(); }

Member Function Documentation

Add()

template<typename T >

T * ImPool< T >::Add ( )

inline

{ int idx = FreeIdx; if (idx == Buf.Size) { Buf.resize(Buf.Size + 1); FreeIdx++; } else { FreeIdx = *(int*)&Buf[idx]; } IM_PLACEMENT_NEW(&Buf[idx]) T(); return &Buf[idx]; }

References IM_PLACEMENT_NEW, ImVector< T >::resize(), and ImVector< T >::Size.

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Clear()

template<typename T >

void ImPool< T >::Clear ( )

inline

{ for (int n = 0; n < Map.Data.Size; n++) { int idx = Map.Data[n].val_i; if (idx != -1) Buf[idx].~T(); } Map.Clear(); Buf.clear(); FreeIdx = 0; }

References ImVector< T >::clear(), ImGuiStorage::Clear(), and ImGuiStorage::Data.

Referenced by ImGui::Shutdown().

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Contains()

template<typename T >

bool ImPool< T >::Contains ( const T *  p ) const

inline

{ return (p >= Buf.Data && p < Buf.Data + Buf.Size); }

References ImVector< T >::Data, and ImVector< T >::Size.

Referenced by GetTabBarRefFromTabBar().

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GetByIndex()

template<typename T >

T * ImPool< T >::GetByIndex ( ImPoolIdx  n )

inline

{ return &Buf[n]; }

Referenced by ImGui::EndTable(), GetTabBarFromTabBarRef(), ImGui::NewFrame(), SetCurrentWindow(), ImGui::ShowMetricsWindow(), TableSettingsHandler_ApplyAll(), and TableSettingsHandler_ClearAll().

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GetByKey()

template<typename T >

T * ImPool< T >::GetByKey ( ImGuiID  key )

inline

{ int idx = Map.GetInt(key, -1); return (idx != -1) ? &Buf[idx] : NULL; }

References ImGuiStorage::GetInt().

Referenced by ImGui::TableFindByID().

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GetIndex()

template<typename T >

ImPoolIdx ImPool< T >::GetIndex ( const T *  p ) const

inline

{ IM_ASSERT(p >= Buf.Data && p < Buf.Data + Buf.Size); return (ImPoolIdx)(p - Buf.Data); }

References ImVector< T >::Data, IM_ASSERT, and ImVector< T >::Size.

Referenced by ImGui::BeginTableEx(), ImGui::EndTable(), GetTabBarRefFromTabBar(), ImGui::TableGcCompactTransientBuffers(), and ImGui::TableRemove().

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GetOrAddByKey()

template<typename T >

T * ImPool< T >::GetOrAddByKey ( ImGuiID  key )

inline

{ int* p_idx = Map.GetIntRef(key, -1); if (*p_idx != -1) return &Buf[*p_idx]; *p_idx = FreeIdx; return Add(); }

References ImGuiStorage::GetIntRef().

Referenced by ImGui::BeginTabBar(), and ImGui::BeginTableEx().

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GetSize()

template<typename T >

int ImPool< T >::GetSize ( ) const

inline

{ return Buf.Size; }

References ImVector< T >::Size.

Referenced by ImGui::ShowMetricsWindow(), TableSettingsHandler_ApplyAll(), and TableSettingsHandler_ClearAll().

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Remove() [1/2]

template<typename T >

void ImPool< T >::Remove ( ImGuiID  key, const T *  p  )

inline

{ Remove(key, GetIndex(p)); }

References ImPool< T >::Remove().

Referenced by ImPool< T >::Remove(), and ImGui::TableRemove().

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Remove() [2/2]

template<typename T >

void ImPool< T >::Remove ( ImGuiID  key, ImPoolIdx  idx  )

inline

{ Buf[idx].~T(); *(int*)&Buf[idx] = FreeIdx; FreeIdx = idx; Map.SetInt(key, -1); }

References ImGuiStorage::SetInt().

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Reserve()

template<typename T >

void ImPool< T >::Reserve ( int  capacity )

inline

{ Buf.reserve(capacity); Map.Data.reserve(capacity); }

References ImGuiStorage::Data, and ImVector< T >::reserve().

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Member Data Documentation

Buf

template<typename T >

ImVector<T> ImPool< T >::Buf

FreeIdx

template<typename T >

ImPoolIdx ImPool< T >::FreeIdx

Map

template<typename T >

ImGuiStorage ImPool< T >::Map

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The documentation for this struct was generated from the following file:

• src/imgui/imgui_internal.h