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Cast this to (void*) in zero-clearing memset calls to fix -Wnontrivial-memcall (#9247, #8295, #8129, #8135)

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Clang 20+ warns on memset(this, ...) for non-trivially copyable types via -Wnontrivial-memcall.
Should separately investigate -Wnonontrivial-memaccess vs -Wnonontrivial-memcall.
This commit is contained in:
Laurenz Altenmüller
2026-02-16 14:36:36 +01:00
committed by ocornut
parent eaa32bb787
commit fbe973a8d0
6 changed files with 55 additions and 55 deletions
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2
backends/imgui_impl_dx12.h
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@@ -44,7 +44,7 @@ struct ImGui_ImplDX12_InitInfo
D3D12_GPU_DESCRIPTOR_HANDLE LegacySingleSrvGpuDescriptor;
#endif
ImGui_ImplDX12_InitInfo() { memset(this, 0, sizeof(*this)); }
ImGui_ImplDX12_InitInfo() { memset((void*)this, 0, sizeof(*this)); }
};
// Follow "Getting Started" link and check examples/ folder to learn about using backends!

8
imgui.cpp
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@@ -1568,7 +1568,7 @@ void ImGuiStyle::ScaleAllSizes(float scale_factor)
ImGuiIO::ImGuiIO()
{
// Most fields are initialized with zero
memset(this, 0, sizeof(*this));
memset((void*)this, 0, sizeof(*this));
IM_STATIC_ASSERT(IM_COUNTOF(ImGuiIO::MouseDown) == ImGuiMouseButton_COUNT && IM_COUNTOF(ImGuiIO::MouseClicked) == ImGuiMouseButton_COUNT);
// Settings
@@ -1974,7 +1974,7 @@ void ImGuiIO::AddFocusEvent(bool focused)
ImGuiPlatformIO::ImGuiPlatformIO()
{
// Most fields are initialized with zero
memset(this, 0, sizeof(*this));
memset((void*)this, 0, sizeof(*this));
Platform_LocaleDecimalPoint = '.';
}
@@ -3231,7 +3231,7 @@ static void ImGuiListClipper_SeekCursorAndSetupPrevLine(ImGuiListClipper* clippe
ImGuiListClipper::ImGuiListClipper()
{
memset(this, 0, sizeof(*this));
memset((void*)this, 0, sizeof(*this));
}
ImGuiListClipper::~ImGuiListClipper()
@@ -4525,7 +4525,7 @@ void ImGui::CallContextHooks(ImGuiContext* ctx, ImGuiContextHookType hook_type)
// ImGuiWindow is mostly a dumb struct. It merely has a constructor and a few helper methods
ImGuiWindow::ImGuiWindow(ImGuiContext* ctx, const char* name) : DrawListInst(NULL)
{
memset(this, 0, sizeof(*this));
memset((void*)this, 0, sizeof(*this));
Ctx = ctx;
Name = ImStrdup(name);
NameBufLen = (int)ImStrlen(name) + 1;

20
imgui.h
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@@ -2144,7 +2144,7 @@ struct ImGuiTableSortSpecs
int SpecsCount; // Sort spec count. Most often 1. May be > 1 when ImGuiTableFlags_SortMulti is enabled. May be == 0 when ImGuiTableFlags_SortTristate is enabled.
bool SpecsDirty; // Set to true when specs have changed since last time! Use this to sort again, then clear the flag.
ImGuiTableSortSpecs() { memset(this, 0, sizeof(*this)); }
ImGuiTableSortSpecs() { memset((void*)this, 0, sizeof(*this)); }
};
// Sorting specification for one column of a table (sizeof == 12 bytes)
@@ -2155,7 +2155,7 @@ struct ImGuiTableColumnSortSpecs
ImS16 SortOrder; // Index within parent ImGuiTableSortSpecs (always stored in order starting from 0, tables sorted on a single criteria will always have a 0 here)
ImGuiSortDirection SortDirection; // ImGuiSortDirection_Ascending or ImGuiSortDirection_Descending
ImGuiTableColumnSortSpecs() { memset(this, 0, sizeof(*this)); }
ImGuiTableColumnSortSpecs() { memset((void*)this, 0, sizeof(*this)); }
};
//-----------------------------------------------------------------------------
@@ -2881,7 +2881,7 @@ struct ImGuiListClipper
#ifndef IMGUI_DISABLE_OBSOLETE_FUNCTIONS
//inline void IncludeRangeByIndices(int item_begin, int item_end) { IncludeItemsByIndex(item_begin, item_end); } // [renamed in 1.89.9]
//inline void ForceDisplayRangeByIndices(int item_begin, int item_end) { IncludeItemsByIndex(item_begin, item_end); } // [renamed in 1.89.6]
//inline ImGuiListClipper(int items_count, float items_height = -1.0f) { memset(this, 0, sizeof(*this)); ItemsCount = -1; Begin(items_count, items_height); } // [removed in 1.79]
//inline ImGuiListClipper(int items_count, float items_height = -1.0f) { memset((void*)this, 0, sizeof(*this)); ItemsCount = -1; Begin(items_count, items_height); } // [removed in 1.79]
#endif
};
@@ -3166,7 +3166,7 @@ struct ImDrawCmd
int UserCallbackDataSize; // 4 // Size of callback user data when using storage, otherwise 0.
int UserCallbackDataOffset;// 4 // [Internal] Offset of callback user data when using storage, otherwise -1.
ImDrawCmd() { memset(this, 0, sizeof(*this)); } // Also ensure our padding fields are zeroed
ImDrawCmd() { memset((void*)this, 0, sizeof(*this)); } // Also ensure our padding fields are zeroed
// Since 1.83: returns ImTextureID associated with this draw call. Warning: DO NOT assume this is always same as 'TextureId' (we will change this function for an upcoming feature)
// Since 1.92: removed ImDrawCmd::TextureId field, the getter function must be used!
@@ -3212,7 +3212,7 @@ struct ImDrawListSplitter
int _Count; // Number of active channels (1+)
ImVector<ImDrawChannel> _Channels; // Draw channels (not resized down so _Count might be < Channels.Size)
inline ImDrawListSplitter() { memset(this, 0, sizeof(*this)); }
inline ImDrawListSplitter() { memset((void*)this, 0, sizeof(*this)); }
inline ~ImDrawListSplitter() { ClearFreeMemory(); }
inline void Clear() { _Current = 0; _Count = 1; } // Do not clear Channels[] so our allocations are reused next frame
IMGUI_API void ClearFreeMemory();
@@ -3505,7 +3505,7 @@ struct ImTextureData
bool WantDestroyNextFrame; // rw - // [Internal] Queued to set ImTextureStatus_WantDestroy next frame. May still be used in the current frame.
// Functions
ImTextureData() { memset(this, 0, sizeof(*this)); Status = ImTextureStatus_Destroyed; TexID = ImTextureID_Invalid; }
ImTextureData() { memset((void*)this, 0, sizeof(*this)); Status = ImTextureStatus_Destroyed; TexID = ImTextureID_Invalid; }
~ImTextureData() { DestroyPixels(); }
IMGUI_API void Create(ImTextureFormat format, int w, int h);
IMGUI_API void DestroyPixels();
@@ -3582,7 +3582,7 @@ struct ImFontGlyph
float U0, V0, U1, V1; // Texture coordinates for the current value of ImFontAtlas->TexRef. Cached equivalent of calling GetCustomRect() with PackId.
int PackId; // [Internal] ImFontAtlasRectId value (FIXME: Cold data, could be moved elsewhere?)
ImFontGlyph() { memset(this, 0, sizeof(*this)); PackId = -1; }
ImFontGlyph() { memset((void*)this, 0, sizeof(*this)); PackId = -1; }
};
// Helper to build glyph ranges from text/string data. Feed your application strings/characters to it then call BuildRanges().
@@ -3615,7 +3615,7 @@ struct ImFontAtlasRect
unsigned short w, h; // Size
ImVec2 uv0, uv1; // UV coordinates (in current texture)
ImFontAtlasRect() { memset(this, 0, sizeof(*this)); }
ImFontAtlasRect() { memset((void*)this, 0, sizeof(*this)); }
};
// Flags for ImFontAtlas build
@@ -3944,7 +3944,7 @@ struct ImGuiViewport
void* PlatformHandle; // void* to hold higher-level, platform window handle (e.g. HWND, GLFWWindow*, SDL_Window*)
void* PlatformHandleRaw; // void* to hold lower-level, platform-native window handle (under Win32 this is expected to be a HWND, unused for other platforms)
ImGuiViewport() { memset(this, 0, sizeof(*this)); }
ImGuiViewport() { memset((void*)this, 0, sizeof(*this)); }
// Helpers
ImVec2 GetCenter() const { return ImVec2(Pos.x + Size.x * 0.5f, Pos.y + Size.y * 0.5f); }
@@ -4021,7 +4021,7 @@ struct ImGuiPlatformImeData
float InputLineHeight; // Line height (for IME).
ImGuiID ViewportId; // ID of platform window/viewport.
ImGuiPlatformImeData() { memset(this, 0, sizeof(*this)); }
ImGuiPlatformImeData() { memset((void*)this, 0, sizeof(*this)); }
};
//-----------------------------------------------------------------------------

12
imgui_draw.cpp
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@@ -392,7 +392,7 @@ void ImGui::StyleColorsLight(ImGuiStyle* dst)
ImDrawListSharedData::ImDrawListSharedData()
{
memset(this, 0, sizeof(*this));
memset((void*)this, 0, sizeof(*this));
InitialFringeScale = 1.0f;
for (int i = 0; i < IM_COUNTOF(ArcFastVtx); i++)
{
@@ -424,7 +424,7 @@ void ImDrawListSharedData::SetCircleTessellationMaxError(float max_error)
ImDrawList::ImDrawList(ImDrawListSharedData* shared_data)
{
memset(this, 0, sizeof(*this));
memset((void*)this, 0, sizeof(*this));
_SetDrawListSharedData(shared_data);
}
@@ -2417,7 +2417,7 @@ void ImGui::ShadeVertsTransformPos(ImDrawList* draw_list, int vert_start_idx, in
// FIXME-NEWATLAS: Oversample specification could be more dynamic. For now, favoring automatic selection.
ImFontConfig::ImFontConfig()
{
memset(this, 0, sizeof(*this));
memset((void*)this, 0, sizeof(*this));
FontDataOwnedByAtlas = true;
OversampleH = 0; // Auto == 1 or 2 depending on size
OversampleV = 0; // Auto == 1
@@ -2641,7 +2641,7 @@ static const ImVec2 FONT_ATLAS_DEFAULT_TEX_CURSOR_DATA[ImGuiMouseCursor_COUNT][3
ImFontAtlas::ImFontAtlas()
{
memset(this, 0, sizeof(*this));
memset((void*)this, 0, sizeof(*this));
TexDesiredFormat = ImTextureFormat_RGBA32;
TexGlyphPadding = 1;
TexMinWidth = 512;
@@ -5134,7 +5134,7 @@ void ImFontGlyphRangesBuilder::BuildRanges(ImVector<ImWchar>* out_ranges)
ImFontBaked::ImFontBaked()
{
memset(this, 0, sizeof(*this));
memset((void*)this, 0, sizeof(*this));
FallbackGlyphIndex = -1;
}
@@ -5151,7 +5151,7 @@ void ImFontBaked::ClearOutputData()
ImFont::ImFont()
{
memset(this, 0, sizeof(*this));
memset((void*)this, 0, sizeof(*this));
#ifndef IMGUI_DISABLE_OBSOLETE_FUNCTIONS
Scale = 1.0f;
#endif

60
imgui_internal.h
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@@ -708,7 +708,7 @@ struct ImSpanAllocator
int Offsets[CHUNKS];
int Sizes[CHUNKS];
ImSpanAllocator() { memset(this, 0, sizeof(*this)); }
ImSpanAllocator() { memset((void*)this, 0, sizeof(*this)); }
inline void Reserve(int n, size_t sz, int a=4) { IM_ASSERT(n == CurrIdx && n < CHUNKS); CurrOff = IM_MEMALIGN(CurrOff, a); Offsets[n] = CurrOff; Sizes[n] = (int)sz; CurrIdx++; CurrOff += (int)sz; }
inline int GetArenaSizeInBytes() { return CurrOff; }
inline void SetArenaBasePtr(void* base_ptr) { BasePtr = (char*)base_ptr; }
@@ -889,7 +889,7 @@ struct ImDrawDataBuilder
ImVector<ImDrawList*>* Layers[2]; // Pointers to global layers for: regular, tooltip. LayersP[0] is owned by DrawData.
ImVector<ImDrawList*> LayerData1;
ImDrawDataBuilder() { memset(this, 0, sizeof(*this)); }
ImDrawDataBuilder() { memset((void*)this, 0, sizeof(*this)); }
};
struct ImFontStackData
@@ -1164,7 +1164,7 @@ struct IMGUI_API ImGuiComboPreviewData
float BackupPrevLineTextBaseOffset;
ImGuiLayoutType BackupLayout;
ImGuiComboPreviewData() { memset(this, 0, sizeof(*this)); }
ImGuiComboPreviewData() { memset((void*)this, 0, sizeof(*this)); }
};
// Stacked storage data for BeginGroup()/EndGroup()
@@ -1198,7 +1198,7 @@ struct IMGUI_API ImGuiMenuColumns
ImU16 OffsetMark;
ImU16 Widths[4]; // Width of: Icon, Label, Shortcut, Mark (accumulators for current frame)
ImGuiMenuColumns() { memset(this, 0, sizeof(*this)); }
ImGuiMenuColumns() { memset((void*)this, 0, sizeof(*this)); }
void Update(float spacing, bool window_reappearing);
float DeclColumns(float w_icon, float w_label, float w_shortcut, float w_mark);
void CalcNextTotalWidth(bool update_offsets);
@@ -1210,7 +1210,7 @@ struct IMGUI_API ImGuiInputTextDeactivatedState
ImGuiID ID; // widget id owning the text state (which just got deactivated)
ImVector<char> TextA; // text buffer
ImGuiInputTextDeactivatedState() { memset(this, 0, sizeof(*this)); }
ImGuiInputTextDeactivatedState() { memset((void*)this, 0, sizeof(*this)); }
void ClearFreeMemory() { ID = 0; TextA.clear(); }
};
@@ -1336,7 +1336,7 @@ struct ImGuiNextWindowData
ImVec2 MenuBarOffsetMinVal; // (Always on) This is not exposed publicly, so we don't clear it and it doesn't have a corresponding flag (could we? for consistency?)
ImGuiWindowRefreshFlags RefreshFlagsVal;
ImGuiNextWindowData() { memset(this, 0, sizeof(*this)); }
ImGuiNextWindowData() { memset((void*)this, 0, sizeof(*this)); }
inline void ClearFlags() { HasFlags = ImGuiNextWindowDataFlags_None; }
};
@@ -1368,7 +1368,7 @@ struct ImGuiNextItemData
ImGuiID StorageId; // Set by SetNextItemStorageID()
ImU32 ColorMarker; // Set by SetNextItemColorMarker(). Not exposed yet, supported by DragScalar,SliderScalar and for ImGuiSliderFlags_ColorMarkers.
ImGuiNextItemData() { memset(this, 0, sizeof(*this)); SelectionUserData = -1; }
ImGuiNextItemData() { memset((void*)this, 0, sizeof(*this)); SelectionUserData = -1; }
inline void ClearFlags() { HasFlags = ImGuiNextItemDataFlags_None; ItemFlags = ImGuiItemFlags_None; } // Also cleared manually by ItemAdd()!
};
@@ -1385,7 +1385,7 @@ struct ImGuiLastItemData
ImRect ClipRect; // Clip rectangle at the time of submitting item. ONLY VALID IF (StatusFlags & ImGuiItemStatusFlags_HasClipRect) is set..
ImGuiKeyChord Shortcut; // Shortcut at the time of submitting item. ONLY VALID IF (StatusFlags & ImGuiItemStatusFlags_HasShortcut) is set..
ImGuiLastItemData() { memset(this, 0, sizeof(*this)); }
ImGuiLastItemData() { memset((void*)this, 0, sizeof(*this)); }
};
// Store data emitted by TreeNode() for usage by TreePop()
@@ -1418,7 +1418,7 @@ struct IMGUI_API ImGuiErrorRecoveryState
short SizeOfBeginPopupStack;
short SizeOfDisabledStack;
ImGuiErrorRecoveryState() { memset(this, 0, sizeof(*this)); }
ImGuiErrorRecoveryState() { memset((void*)this, 0, sizeof(*this)); }
};
// Data saved for each window pushed into the stack
@@ -1479,7 +1479,7 @@ struct ImGuiPopupData
ImVec2 OpenPopupPos; // Set on OpenPopup(), preferred popup position (typically == OpenMousePos when using mouse)
ImVec2 OpenMousePos; // Set on OpenPopup(), copy of mouse position at the time of opening popup
ImGuiPopupData() { memset(this, 0, sizeof(*this)); ParentNavLayer = OpenFrameCount = -1; }
ImGuiPopupData() { memset((void*)this, 0, sizeof(*this)); ParentNavLayer = OpenFrameCount = -1; }
};
//-----------------------------------------------------------------------------
@@ -1557,7 +1557,7 @@ struct ImGuiInputEvent
};
bool AddedByTestEngine;
ImGuiInputEvent() { memset(this, 0, sizeof(*this)); }
ImGuiInputEvent() { memset((void*)this, 0, sizeof(*this)); }
};
// Input function taking an 'ImGuiID owner_id' argument defaults to (ImGuiKeyOwner_Any == 0) aka don't test ownership, which matches legacy behavior.
@@ -1672,7 +1672,7 @@ struct ImGuiListClipperData
int ItemsFrozen;
ImVector<ImGuiListClipperRange> Ranges;
ImGuiListClipperData() { memset(this, 0, sizeof(*this)); }
ImGuiListClipperData() { memset((void*)this, 0, sizeof(*this)); }
void Reset(ImGuiListClipper* clipper) { ListClipper = clipper; StepNo = ItemsFrozen = 0; Ranges.resize(0); }
};
@@ -1807,7 +1807,7 @@ struct IMGUI_API ImGuiTypingSelectState
float LastRequestTime = 0.0f;
bool SingleCharModeLock = false; // After a certain single char repeat count we lock into SingleCharMode. Two benefits: 1) buffer never fill, 2) we can provide an immediate SingleChar mode without timer elapsing.
ImGuiTypingSelectState() { memset(this, 0, sizeof(*this)); }
ImGuiTypingSelectState() { memset((void*)this, 0, sizeof(*this)); }
void Clear() { SearchBuffer[0] = 0; SingleCharModeLock = false; } // We preserve remaining data for easier debugging
};
@@ -1843,7 +1843,7 @@ struct ImGuiOldColumnData
ImGuiOldColumnFlags Flags; // Not exposed
ImRect ClipRect;
ImGuiOldColumnData() { memset(this, 0, sizeof(*this)); }
ImGuiOldColumnData() { memset((void*)this, 0, sizeof(*this)); }
};
struct ImGuiOldColumns
@@ -1864,7 +1864,7 @@ struct ImGuiOldColumns
ImVector<ImGuiOldColumnData> Columns;
ImDrawListSplitter Splitter;
ImGuiOldColumns() { memset(this, 0, sizeof(*this)); }
ImGuiOldColumns() { memset((void*)this, 0, sizeof(*this)); }
};
//-----------------------------------------------------------------------------
@@ -1892,7 +1892,7 @@ struct ImGuiBoxSelectState
ImRect BoxSelectRectPrev; // Selection rectangle in absolute coordinates (derived every frame from BoxSelectStartPosRel and MousePos)
ImRect BoxSelectRectCurr;
ImGuiBoxSelectState() { memset(this, 0, sizeof(*this)); }
ImGuiBoxSelectState() { memset((void*)this, 0, sizeof(*this)); }
};
//-----------------------------------------------------------------------------
@@ -2003,7 +2003,7 @@ struct ImGuiWindowSettings
bool WantApply; // Set when loaded from .ini data (to enable merging/loading .ini data into an already running context)
bool WantDelete; // Set to invalidate/delete the settings entry
ImGuiWindowSettings() { memset(this, 0, sizeof(*this)); }
ImGuiWindowSettings() { memset((void*)this, 0, sizeof(*this)); }
char* GetName() { return (char*)(this + 1); }
};
@@ -2019,7 +2019,7 @@ struct ImGuiSettingsHandler
void (*WriteAllFn)(ImGuiContext* ctx, ImGuiSettingsHandler* handler, ImGuiTextBuffer* out_buf); // Write: Output every entries into 'out_buf'
void* UserData;
ImGuiSettingsHandler() { memset(this, 0, sizeof(*this)); }
ImGuiSettingsHandler() { memset((void*)this, 0, sizeof(*this)); }
};
//-----------------------------------------------------------------------------
@@ -2108,7 +2108,7 @@ struct ImGuiDebugAllocInfo
ImS16 LastEntriesIdx; // Current index in buffer
ImGuiDebugAllocEntry LastEntriesBuf[6]; // Track last 6 frames that had allocations
ImGuiDebugAllocInfo() { memset(this, 0, sizeof(*this)); }
ImGuiDebugAllocInfo() { memset((void*)this, 0, sizeof(*this)); }
};
struct ImGuiMetricsConfig
@@ -2137,7 +2137,7 @@ struct ImGuiStackLevelInfo
ImS8 DataType; // ImGuiDataType
int DescOffset; // -1 or offset into parent's ResultsPathsBuf
ImGuiStackLevelInfo() { memset(this, 0, sizeof(*this)); DataType = -1; DescOffset = -1; }
ImGuiStackLevelInfo() { memset((void*)this, 0, sizeof(*this)); DataType = -1; DescOffset = -1; }
};
struct ImGuiDebugItemPathQuery
@@ -2150,7 +2150,7 @@ struct ImGuiDebugItemPathQuery
ImGuiTextBuffer ResultsDescBuf;
ImGuiTextBuffer ResultPathBuf;
ImGuiDebugItemPathQuery() { memset(this, 0, sizeof(*this)); }
ImGuiDebugItemPathQuery() { memset((void*)this, 0, sizeof(*this)); }
};
// State for ID Stack tool queries
@@ -2161,7 +2161,7 @@ struct ImGuiIDStackTool
int LastActiveFrame;
float CopyToClipboardLastTime;
ImGuiIDStackTool() { memset(this, 0, sizeof(*this)); LastActiveFrame = -1; OptHexEncodeNonAsciiChars = true; CopyToClipboardLastTime = -FLT_MAX; }
ImGuiIDStackTool() { memset((void*)this, 0, sizeof(*this)); LastActiveFrame = -1; OptHexEncodeNonAsciiChars = true; CopyToClipboardLastTime = -FLT_MAX; }
};
//-----------------------------------------------------------------------------
@@ -2179,7 +2179,7 @@ struct ImGuiContextHook
ImGuiContextHookCallback Callback;
void* UserData;
ImGuiContextHook() { memset(this, 0, sizeof(*this)); }
ImGuiContextHook() { memset((void*)this, 0, sizeof(*this)); }
};
//-----------------------------------------------------------------------------
@@ -2806,7 +2806,7 @@ struct ImGuiTabItem
ImS16 IndexDuringLayout; // Index only used during TabBarLayout(). Tabs gets reordered so 'Tabs[n].IndexDuringLayout == n' but may mismatch during additions.
bool WantClose; // Marked as closed by SetTabItemClosed()
ImGuiTabItem() { memset(this, 0, sizeof(*this)); LastFrameVisible = LastFrameSelected = -1; RequestedWidth = -1.0f; NameOffset = -1; BeginOrder = IndexDuringLayout = -1; }
ImGuiTabItem() { memset((void*)this, 0, sizeof(*this)); LastFrameVisible = LastFrameSelected = -1; RequestedWidth = -1.0f; NameOffset = -1; BeginOrder = IndexDuringLayout = -1; }
};
// Storage for a tab bar (sizeof() 160 bytes)
@@ -2911,7 +2911,7 @@ struct ImGuiTableColumn
ImGuiTableColumn()
{
memset(this, 0, sizeof(*this));
memset((void*)this, 0, sizeof(*this));
StretchWeight = WidthRequest = -1.0f;
NameOffset = -1;
DisplayOrder = IndexWithinEnabledSet = -1;
@@ -3072,7 +3072,7 @@ struct IMGUI_API ImGuiTable
bool MemoryCompacted;
bool HostSkipItems; // Backup of InnerWindow->SkipItem at the end of BeginTable(), because we will overwrite InnerWindow->SkipItem on a per-column basis
ImGuiTable() { memset(this, 0, sizeof(*this)); LastFrameActive = -1; }
ImGuiTable() { memset((void*)this, 0, sizeof(*this)); LastFrameActive = -1; }
~ImGuiTable() { IM_FREE(RawData); }
};
@@ -3101,7 +3101,7 @@ struct IMGUI_API ImGuiTableTempData
float HostBackupItemWidth; // Backup of OuterWindow->DC.ItemWidth at the end of BeginTable()
int HostBackupItemWidthStackSize;//Backup of OuterWindow->DC.ItemWidthStack.Size at the end of BeginTable()
ImGuiTableTempData() { memset(this, 0, sizeof(*this)); LastTimeActive = -1.0f; }
ImGuiTableTempData() { memset((void*)this, 0, sizeof(*this)); LastTimeActive = -1.0f; }
};
// sizeof() ~ 16
@@ -3138,7 +3138,7 @@ struct ImGuiTableSettings
ImGuiTableColumnIdx ColumnsCountMax; // Maximum number of columns this settings instance can store, we can recycle a settings instance with lower number of columns but not higher
bool WantApply; // Set when loaded from .ini data (to enable merging/loading .ini data into an already running context)
ImGuiTableSettings() { memset(this, 0, sizeof(*this)); }
ImGuiTableSettings() { memset((void*)this, 0, sizeof(*this)); }
ImGuiTableColumnSettings* GetColumnSettings() { return (ImGuiTableColumnSettings*)(this + 1); }
};
@@ -3789,7 +3789,7 @@ struct ImFontLoader
// FIXME: At this point the two other types of buffers may be managed by core to be consistent?
size_t FontBakedSrcLoaderDataSize;
ImFontLoader() { memset(this, 0, sizeof(*this)); }
ImFontLoader() { memset((void*)this, 0, sizeof(*this)); }
};
#ifdef IMGUI_ENABLE_STB_TRUETYPE
@@ -3886,7 +3886,7 @@ struct ImFontAtlasBuilder
ImFontAtlasRectId PackIdMouseCursors; // White pixel + mouse cursors. Also happen to be fallback in case of packing failure.
ImFontAtlasRectId PackIdLinesTexData;
ImFontAtlasBuilder() { memset(this, 0, sizeof(*this)); FrameCount = -1; RectsIndexFreeListStart = -1; PackIdMouseCursors = PackIdLinesTexData = -1; }
ImFontAtlasBuilder() { memset((void*)this, 0, sizeof(*this)); FrameCount = -1; RectsIndexFreeListStart = -1; PackIdMouseCursors = PackIdLinesTexData = -1; }
};
IMGUI_API void ImFontAtlasBuildInit(ImFontAtlas* atlas);

8
imgui_widgets.cpp
View File

@@ -4251,7 +4251,7 @@ static void stb_textedit_replace(ImGuiInputTextState* str, STB_TexteditState* st
// We added an extra indirection where 'Stb' is heap-allocated, in order facilitate the work of bindings generators.
ImGuiInputTextState::ImGuiInputTextState()
{
memset(this, 0, sizeof(*this));
memset((void*)this, 0, sizeof(*this));
Stb = IM_NEW(ImStbTexteditState);
memset(Stb, 0, sizeof(*Stb));
}
@@ -4301,7 +4301,7 @@ void ImGuiInputTextState::ReloadUserBufAndMoveToEnd() { WantReloadUserBuf
ImGuiInputTextCallbackData::ImGuiInputTextCallbackData()
{
memset(this, 0, sizeof(*this));
memset((void*)this, 0, sizeof(*this));
}
// Public API to manipulate UTF-8 text from within a callback.
@@ -9548,7 +9548,7 @@ struct ImGuiTabBarSection
float WidthAfterShrinkMinWidth;
float Spacing; // Horizontal spacing at the end of the section.
ImGuiTabBarSection() { memset(this, 0, sizeof(*this)); }
ImGuiTabBarSection() { memset((void*)this, 0, sizeof(*this)); }
};
namespace ImGui
@@ -9564,7 +9564,7 @@ namespace ImGui
ImGuiTabBar::ImGuiTabBar()
{
memset(this, 0, sizeof(*this));
memset((void*)this, 0, sizeof(*this));
CurrFrameVisible = PrevFrameVisible = -1;
LastTabItemIdx = -1;
}