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Internals: avoid using bitfields in ImGuiNextItemData as it leads to extraneous packing. rename ImGuiDataTypeTempStorage to ImGuiDataTypeStorage. moved DataType section above Widgets.

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This commit is contained in:
ocornut
2024-06-06 16:50:32 +02:00
parent 0561d708ba
commit 3460014e05
2 changed files with 39 additions and 39 deletions
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imgui_internal.h
+36 -36
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@@ -14,8 +14,8 @@ Index of this file:
// [SECTION] Macros
// [SECTION] Generic helpers
// [SECTION] ImDrawList support
// [SECTION] Widgets support: flags, enums, data structures
// [SECTION] Data types support
// [SECTION] Widgets support: flags, enums, data structures
// [SECTION] Popup support
// [SECTION] Inputs support
// [SECTION] Clipper support
@@ -798,6 +798,40 @@ struct ImDrawDataBuilder
ImDrawDataBuilder() { memset(this, 0, sizeof(*this)); }
};
//-----------------------------------------------------------------------------
// [SECTION] Data types support
//-----------------------------------------------------------------------------
struct ImGuiDataVarInfo
{
ImGuiDataType Type;
ImU32 Count; // 1+
ImU32 Offset; // Offset in parent structure
void* GetVarPtr(void* parent) const { return (void*)((unsigned char*)parent + Offset); }
};
struct ImGuiDataTypeStorage
{
ImU8 Data[8]; // Opaque storage to fit any data up to ImGuiDataType_COUNT
};
// Type information associated to one ImGuiDataType. Retrieve with DataTypeGetInfo().
struct ImGuiDataTypeInfo
{
size_t Size; // Size in bytes
const char* Name; // Short descriptive name for the type, for debugging
const char* PrintFmt; // Default printf format for the type
const char* ScanFmt; // Default scanf format for the type
};
// Extend ImGuiDataType_
enum ImGuiDataTypePrivate_
{
ImGuiDataType_String = ImGuiDataType_COUNT + 1,
ImGuiDataType_Pointer,
ImGuiDataType_ID,
};
//-----------------------------------------------------------------------------
// [SECTION] Widgets support: flags, enums, data structures
//-----------------------------------------------------------------------------
@@ -1189,7 +1223,7 @@ struct ImGuiNextItemData
ImGuiKeyChord Shortcut; // Set by SetNextItemShortcut()
ImGuiInputFlags ShortcutFlags; // Set by SetNextItemShortcut()
bool OpenVal; // Set by SetNextItemOpen()
ImGuiCond OpenCond : 8;
ImU8 OpenCond; // Set by SetNextItemOpen()
ImGuiNextItemData() { memset(this, 0, sizeof(*this)); SelectionUserData = -1; }
inline void ClearFlags() { Flags = ImGuiNextItemDataFlags_None; ItemFlags = ImGuiItemFlags_None; } // Also cleared manually by ItemAdd()!
@@ -1263,40 +1297,6 @@ struct ImGuiPtrOrIndex
ImGuiPtrOrIndex(int index) { Ptr = NULL; Index = index; }
};
//-----------------------------------------------------------------------------
// [SECTION] Data types support
//-----------------------------------------------------------------------------
struct ImGuiDataVarInfo
{
ImGuiDataType Type;
ImU32 Count; // 1+
ImU32 Offset; // Offset in parent structure
void* GetVarPtr(void* parent) const { return (void*)((unsigned char*)parent + Offset); }
};
struct ImGuiDataTypeTempStorage
{
ImU8 Data[8]; // Can fit any data up to ImGuiDataType_COUNT
};
// Type information associated to one ImGuiDataType. Retrieve with DataTypeGetInfo().
struct ImGuiDataTypeInfo
{
size_t Size; // Size in bytes
const char* Name; // Short descriptive name for the type, for debugging
const char* PrintFmt; // Default printf format for the type
const char* ScanFmt; // Default scanf format for the type
};
// Extend ImGuiDataType_
enum ImGuiDataTypePrivate_
{
ImGuiDataType_String = ImGuiDataType_COUNT + 1,
ImGuiDataType_Pointer,
ImGuiDataType_ID,
};
//-----------------------------------------------------------------------------
// [SECTION] Popup support
//-----------------------------------------------------------------------------