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InputText: fixed ImGuiInputTextCallbackData::InsertChars() mistakenly over growing internal buffer. (#9603, #7925)

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Note that the 32-256 ranges may seem misleading because ImVector<> handle its growth policy but it is also the size we request to underlying user impl hence the clamps.
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ocornut 2026-10-30 17:32:06 +01:00
parent a13badd73e
commit 1023d3ddaa
1 changed files with 1 additions and 1 deletions
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imgui_widgets.cpp
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@ -4471,7 +4471,7 @@ void ImGuiInputTextCallbackData::InsertChars(int pos, const char* new_text, cons
if (new_text_len + BufTextLen + 1 > obj->TextA.Size && is_resizable && !is_readonly) if (new_text_len + BufTextLen + 1 > obj->TextA.Size && is_resizable && !is_readonly)
{ {
IM_ASSERT(Buf == obj->TextA.Data); IM_ASSERT(Buf == obj->TextA.Data);
int new_buf_size = BufTextLen + ImClamp(new_text_len * 4, 32, ImMax(256, new_text_len)) + 1; int new_buf_size = BufTextLen + ImClamp(new_text_len, 32, ImMax(256, new_text_len)) + 1;
obj->TextA.resize(new_buf_size + 1); obj->TextA.resize(new_buf_size + 1);
obj->TextSrc = obj->TextA.Data; obj->TextSrc = obj->TextA.Data;
Buf = obj->TextA.Data; Buf = obj->TextA.Data;