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InputText: fixed crash when passing a buf_size==0 (which can be of use for read-only selectable text boxes) (#360)

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ocornut 2015-10-05 14:13:24 +02:00
parent 7508d30b83
commit 54805fd22a
1 changed files with 2 additions and 2 deletions
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4
imgui.cpp
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@ -7123,8 +7123,8 @@ bool ImGui::InputTextEx(const char* label, char* buf, int buf_size, const ImVec2
// Take a copy of the initial buffer value (both in original UTF-8 format and converted to wchar)
// From the moment we focused we are ignoring the content of 'buf'
const int prev_len_w = edit_state.CurLenW;
edit_state.Text.resize(buf_size); // wchar count <= utf-8 count
edit_state.InitialText.resize(buf_size); // utf-8
edit_state.Text.resize(buf_size+1); // wchar count <= utf-8 count. we use +1 to make sure that .Data isn't NULL so it doesn't crash.
edit_state.InitialText.resize(buf_size+1); // utf-8. we use +1 to make sure that .Data isn't NULL so it doesn't crash.
ImFormatString(edit_state.InitialText.Data, edit_state.InitialText.Size, "%s", buf);
const char* buf_end = NULL;
edit_state.CurLenW = ImTextStrFromUtf8(edit_state.Text.Data, edit_state.Text.Size, buf, NULL, &buf_end);