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InputText: restore truncating, now between UTF-8 codepoint. (#9029)

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Amend e612536, 2a194e2.
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ocornut 2025-10-29 18:40:40 +01:00
parent 8df962a6ed
commit 3c578fa87e
4 changed files with 24 additions and 8 deletions
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4
imgui_widgets.cpp
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@ -4155,7 +4155,7 @@ static int STB_TEXTEDIT_INSERTCHARS(ImGuiInputTextState* obj, int pos, const cha
// We support partial insertion (with a mod in stb_textedit.h)
const int avail = obj->BufCapacity - 1 - obj->TextLen;
if (!is_resizable && new_text_len > avail)
new_text_len = 0; // avail
new_text_len = (int)(ImTextFindValidUtf8CodepointEnd(new_text, new_text + new_text_len, new_text + avail) - new_text); // Truncate to closest UTF-8 codepoint. Alternative: return 0 to cancel insertion.
if (new_text_len == 0)
return 0;
@ -4314,7 +4314,7 @@ void ImGuiInputTextCallbackData::InsertChars(int pos, const char* new_text, cons
// We support partial insertion (with a mod in stb_textedit.h)
const int avail = BufSize - 1 - BufTextLen;
if (!is_resizable && new_text_len > avail)
new_text_len = 0; // avail
new_text_len = (int)(ImTextFindValidUtf8CodepointEnd(new_text, new_text + new_text_len, new_text + avail) - new_text); // Truncate to closest UTF-8 codepoint. Alternative: return 0 to cancel insertion.
if (new_text_len == 0)
return;