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https://github.com/Drezil/imgui.git
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ImVector: Made a struct. Using T/T* in the code instead of value_type/iterator. Renamed index_from_pointer() to index_from_ptr() (was not documented, added in 1.63, users not supposed to use ImVector, hopefully not a big deal).
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omar
parent
81eaa49773
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1f6e0b2f98
@ -4384,7 +4384,7 @@ static ImGuiWindow* CreateNewWindow(const char* name, ImVec2 size, ImGuiWindowFl
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if (ImGuiWindowSettings* settings = ImGui::FindWindowSettings(window->ID))
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{
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// Retrieve settings from .ini file
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window->SettingsIdx = g.SettingsWindows.index_from_pointer(settings);
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window->SettingsIdx = g.SettingsWindows.index_from_ptr(settings);
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SetWindowConditionAllowFlags(window, ImGuiCond_FirstUseEver, false);
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window->Pos = ImFloor(settings->Pos);
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window->Collapsed = settings->Collapsed;
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@ -8940,7 +8940,7 @@ static void SettingsHandlerWindow_WriteAll(ImGuiContext* imgui_ctx, ImGuiSetting
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if (!settings)
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{
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settings = ImGui::CreateNewWindowSettings(window->Name);
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window->SettingsIdx = g.SettingsWindows.index_from_pointer(settings);
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window->SettingsIdx = g.SettingsWindows.index_from_ptr(settings);
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}
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IM_ASSERT(settings->ID == window->ID);
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settings->Pos = window->Pos;
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54
imgui.h
54
imgui.h
@ -1157,55 +1157,57 @@ enum ImGuiCond_
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// Helper: ImVector<>
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// Lightweight std::vector<>-like class to avoid dragging dependencies (also: some implementations of STL with debug enabled are absurdly slow, we bypass it so our code runs fast in debug).
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// You generally do NOT need to care or use this ever. But we need to make it available in imgui.h because some of our data structures are relying on it.
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// Important: clear() frees memory, resize(0) keep the allocated buffer. We use resize(0) a lot to intentionally recycle allocated buffers across frames and amortize our costs.
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// Important: our implementation does NOT call C++ constructors/destructors, we treat everything as raw data! This is intentional but be extra mindful of that,
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// do NOT use this class as a std::vector replacement in your own code!
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//-----------------------------------------------------------------------------
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template<typename T>
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class ImVector
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struct ImVector
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{
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public:
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int Size;
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int Capacity;
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T* Data;
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// Provide standard typedefs but we don't use them ourselves.
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typedef T value_type;
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typedef value_type* iterator;
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typedef const value_type* const_iterator;
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// Constructors, destructor
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inline ImVector() { Size = Capacity = 0; Data = NULL; }
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inline ~ImVector() { if (Data) ImGui::MemFree(Data); }
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inline ImVector(const ImVector<T>& src) { Size = Capacity = 0; Data = NULL; operator=(src); }
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inline ImVector<T>& operator=(const ImVector<T>& src) { clear(); resize(src.Size); memcpy(Data, src.Data, (size_t)Size * sizeof(value_type)); return *this; }
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inline ImVector<T>& operator=(const ImVector<T>& src) { clear(); resize(src.Size); memcpy(Data, src.Data, (size_t)Size * sizeof(T)); return *this; }
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inline ~ImVector() { if (Data) ImGui::MemFree(Data); }
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inline bool empty() const { return Size == 0; }
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inline int size() const { return Size; }
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inline int capacity() const { return Capacity; }
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inline value_type& operator[](int i) { IM_ASSERT(i < Size); return Data[i]; }
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inline const value_type& operator[](int i) const { IM_ASSERT(i < Size); return Data[i]; }
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inline T& operator[](int i) { IM_ASSERT(i < Size); return Data[i]; }
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inline const T& operator[](int i) const { IM_ASSERT(i < Size); return Data[i]; }
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inline void clear() { if (Data) { Size = Capacity = 0; ImGui::MemFree(Data); Data = NULL; } }
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inline iterator begin() { return Data; }
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inline const_iterator begin() const { return Data; }
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inline iterator end() { return Data + Size; }
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inline const_iterator end() const { return Data + Size; }
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inline value_type& front() { IM_ASSERT(Size > 0); return Data[0]; }
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inline const value_type& front() const { IM_ASSERT(Size > 0); return Data[0]; }
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inline value_type& back() { IM_ASSERT(Size > 0); return Data[Size - 1]; }
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inline const value_type& back() const { IM_ASSERT(Size > 0); return Data[Size - 1]; }
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inline void swap(ImVector<value_type>& rhs) { int rhs_size = rhs.Size; rhs.Size = Size; Size = rhs_size; int rhs_cap = rhs.Capacity; rhs.Capacity = Capacity; Capacity = rhs_cap; value_type* rhs_data = rhs.Data; rhs.Data = Data; Data = rhs_data; }
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inline T* begin() { return Data; }
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inline const T* begin() const { return Data; }
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inline T* end() { return Data + Size; }
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inline const T* end() const { return Data + Size; }
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inline T& front() { IM_ASSERT(Size > 0); return Data[0]; }
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inline const T& front() const { IM_ASSERT(Size > 0); return Data[0]; }
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inline T& back() { IM_ASSERT(Size > 0); return Data[Size - 1]; }
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inline const T& back() const { IM_ASSERT(Size > 0); return Data[Size - 1]; }
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inline void swap(ImVector<T>& rhs) { int rhs_size = rhs.Size; rhs.Size = Size; Size = rhs_size; int rhs_cap = rhs.Capacity; rhs.Capacity = Capacity; Capacity = rhs_cap; T* rhs_data = rhs.Data; rhs.Data = Data; Data = rhs_data; }
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inline int _grow_capacity(int sz) const { int new_capacity = Capacity ? (Capacity + Capacity/2) : 8; return new_capacity > sz ? new_capacity : sz; }
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inline void resize(int new_size) { if (new_size > Capacity) reserve(_grow_capacity(new_size)); Size = new_size; }
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inline void resize(int new_size,const value_type& v){ if (new_size > Capacity) reserve(_grow_capacity(new_size)); if (new_size > Size) for (int n = Size; n < new_size; n++) memcpy(&Data[n], &v, sizeof(v)); Size = new_size; }
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inline void resize(int new_size, const T& v) { if (new_size > Capacity) reserve(_grow_capacity(new_size)); if (new_size > Size) for (int n = Size; n < new_size; n++) memcpy(&Data[n], &v, sizeof(v)); Size = new_size; }
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inline void reserve(int new_capacity)
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{
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if (new_capacity <= Capacity)
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return;
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value_type* new_data = (value_type*)ImGui::MemAlloc((size_t)new_capacity * sizeof(value_type));
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T* new_data = (T*)ImGui::MemAlloc((size_t)new_capacity * sizeof(T));
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if (Data)
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{
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memcpy(new_data, Data, (size_t)Size * sizeof(value_type));
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memcpy(new_data, Data, (size_t)Size * sizeof(T));
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ImGui::MemFree(Data);
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}
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Data = new_data;
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@ -1213,15 +1215,15 @@ public:
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}
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// NB: It is illegal to call push_back/push_front/insert with a reference pointing inside the ImVector data itself! e.g. v.push_back(v[10]) is forbidden.
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inline void push_back(const value_type& v) { if (Size == Capacity) reserve(_grow_capacity(Size + 1)); memcpy(&Data[Size], &v, sizeof(v)); Size++; }
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inline void push_back(const T& v) { if (Size == Capacity) reserve(_grow_capacity(Size + 1)); memcpy(&Data[Size], &v, sizeof(v)); Size++; }
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inline void pop_back() { IM_ASSERT(Size > 0); Size--; }
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inline void push_front(const value_type& v) { if (Size == 0) push_back(v); else insert(Data, v); }
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inline iterator erase(const_iterator it) { IM_ASSERT(it >= Data && it < Data+Size); const ptrdiff_t off = it - Data; memmove(Data + off, Data + off + 1, ((size_t)Size - (size_t)off - 1) * sizeof(value_type)); Size--; return Data + off; }
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inline iterator erase(const_iterator it, const_iterator it_last){ IM_ASSERT(it >= Data && it < Data+Size && it_last > it && it_last <= Data+Size); const ptrdiff_t count = it_last - it; const ptrdiff_t off = it - Data; memmove(Data + off, Data + off + count, ((size_t)Size - (size_t)off - count) * sizeof(value_type)); Size -= (int)count; return Data + off; }
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inline iterator erase_unsorted(const_iterator it) { IM_ASSERT(it >= Data && it < Data+Size); const ptrdiff_t off = it - Data; if (it < Data+Size-1) memcpy(Data + off, Data + Size - 1, sizeof(value_type)); Size--; return Data + off; }
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inline iterator insert(const_iterator it, const value_type& v) { IM_ASSERT(it >= Data && it <= Data+Size); const ptrdiff_t off = it - Data; if (Size == Capacity) reserve(_grow_capacity(Size + 1)); if (off < (int)Size) memmove(Data + off + 1, Data + off, ((size_t)Size - (size_t)off) * sizeof(value_type)); memcpy(&Data[off], &v, sizeof(v)); Size++; return Data + off; }
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inline bool contains(const value_type& v) const { const T* data = Data; const T* data_end = Data + Size; while (data < data_end) if (*data++ == v) return true; return false; }
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inline int index_from_pointer(const_iterator it) const { IM_ASSERT(it >= Data && it <= Data+Size); const ptrdiff_t off = it - Data; return (int)off; }
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inline void push_front(const T& v) { if (Size == 0) push_back(v); else insert(Data, v); }
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inline T* erase(const T* it) { IM_ASSERT(it >= Data && it < Data+Size); const ptrdiff_t off = it - Data; memmove(Data + off, Data + off + 1, ((size_t)Size - (size_t)off - 1) * sizeof(T)); Size--; return Data + off; }
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inline T* erase(const T* it, const T* it_last){ IM_ASSERT(it >= Data && it < Data+Size && it_last > it && it_last <= Data+Size); const ptrdiff_t count = it_last - it; const ptrdiff_t off = it - Data; memmove(Data + off, Data + off + count, ((size_t)Size - (size_t)off - count) * sizeof(T)); Size -= (int)count; return Data + off; }
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inline T* erase_unsorted(const T* it) { IM_ASSERT(it >= Data && it < Data+Size); const ptrdiff_t off = it - Data; if (it < Data+Size-1) memcpy(Data + off, Data + Size - 1, sizeof(T)); Size--; return Data + off; }
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inline T* insert(const T* it, const T& v) { IM_ASSERT(it >= Data && it <= Data+Size); const ptrdiff_t off = it - Data; if (Size == Capacity) reserve(_grow_capacity(Size + 1)); if (off < (int)Size) memmove(Data + off + 1, Data + off, ((size_t)Size - (size_t)off) * sizeof(T)); memcpy(&Data[off], &v, sizeof(v)); Size++; return Data + off; }
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inline bool contains(const T& v) const { const T* data = Data; const T* data_end = Data + Size; while (data < data_end) if (*data++ == v) return true; return false; }
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inline int index_from_ptr(const T* it) const { IM_ASSERT(it >= Data && it <= Data+Size); const ptrdiff_t off = it - Data; return (int)off; }
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};
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//-----------------------------------------------------------------------------
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@ -1240,7 +1240,7 @@ struct ImGuiTabBar
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short LastTabItemIdx; // For BeginTabItem()/EndTabItem()
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ImGuiTabBar();
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int GetTabOrder(const ImGuiTabItem* tab) const { return Tabs.index_from_pointer(tab); }
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int GetTabOrder(const ImGuiTabItem* tab) const { return Tabs.index_from_ptr(tab); }
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};
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//-----------------------------------------------------------------------------
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@ -6286,7 +6286,7 @@ bool ImGui::TabItemEx(ImGuiTabBar* tab_bar, const char* label, bool* p_open,
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tab->Width = size.x;
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tab_is_new = true;
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}
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tab_bar->LastTabItemIdx = (short)tab_bar->Tabs.index_from_pointer(tab);
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tab_bar->LastTabItemIdx = (short)tab_bar->Tabs.index_from_ptr(tab);
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tab->WidthContents = size.x;
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const bool tab_bar_appearing = (tab_bar->PrevFrameVisible + 1 < g.FrameCount);
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