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potentially fix #550

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tildearrow 2022-06-23 02:48:28 -05:00
parent 142b8b2bb0
commit abbd6e7274
1 changed files with 45 additions and 20 deletions
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65
extern/imgui_patched/imgui_widgets.cpp vendored
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@ -4545,27 +4545,52 @@ bool ImGui::InputTextEx(const char* label, const char* hint, char* buf, int buf_
// We cannot test for 'backup_current_text_length != apply_new_text_length' here because we have no guarantee that the size
// of our owned buffer matches the size of the string object held by the user, and by design we allow InputText() to be used
// without any storage on user's side.
IM_ASSERT(apply_new_text_length >= 0);
if (is_resizable)
{
ImGuiInputTextCallbackData callback_data;
callback_data.EventFlag = ImGuiInputTextFlags_CallbackResize;
callback_data.Flags = flags;
callback_data.Buf = buf;
callback_data.BufTextLen = apply_new_text_length;
callback_data.BufSize = ImMax(buf_size, apply_new_text_length + 1);
callback_data.UserData = callback_user_data;
callback(&callback_data);
buf = callback_data.Buf;
buf_size = callback_data.BufSize;
apply_new_text_length = ImMin(callback_data.BufTextLen, buf_size - 1);
IM_ASSERT(apply_new_text_length <= buf_size);
}
//IMGUI_DEBUG_LOG("InputText(\"%s\"): apply_new_text length %d\n", label, apply_new_text_length);
// If the underlying buffer resize was denied or not carried to the next frame, apply_new_text_length+1 may be >= buf_size.
ImStrncpy(buf, apply_new_text, ImMin(apply_new_text_length + 1, buf_size));
value_changed = true;
// don't assert because maybe the user passes an invalid UTF-8 string...
if (apply_new_text_length >= 0) {
if (is_resizable)
{
ImGuiInputTextCallbackData callback_data;
callback_data.EventFlag = ImGuiInputTextFlags_CallbackResize;
callback_data.Flags = flags;
callback_data.Buf = buf;
callback_data.BufTextLen = apply_new_text_length;
callback_data.BufSize = ImMax(buf_size, apply_new_text_length + 1);
callback_data.UserData = callback_user_data;
callback(&callback_data);
buf = callback_data.Buf;
buf_size = callback_data.BufSize;
apply_new_text_length = ImMin(callback_data.BufTextLen, buf_size - 1);
IM_ASSERT(apply_new_text_length <= buf_size);
}
//IMGUI_DEBUG_LOG("InputText(\"%s\"): apply_new_text length %d\n", label, apply_new_text_length);
// If the underlying buffer resize was denied or not carried to the next frame, apply_new_text_length+1 may be >= buf_size.
ImStrncpy(buf, apply_new_text, ImMin(apply_new_text_length + 1, buf_size));
value_changed = true;
} else {
printf("invalid buffer!\n");
if (is_resizable)
{
ImGuiInputTextCallbackData callback_data;
callback_data.EventFlag = ImGuiInputTextFlags_CallbackResize;
callback_data.Flags = flags;
callback_data.Buf = buf;
callback_data.BufTextLen = 0;
callback_data.BufSize = ImMax(buf_size, 1);
callback_data.UserData = callback_user_data;
callback(&callback_data);
buf = callback_data.Buf;
buf_size = callback_data.BufSize;
apply_new_text_length = 0;
IM_ASSERT(apply_new_text_length <= buf_size);
}
//IMGUI_DEBUG_LOG("InputText(\"%s\"): apply_new_text length %d\n", label, apply_new_text_length);
// clear the buffer
ImStrncpy(buf, "", 1);
value_changed = true;
}
}
// Release active ID at the end of the function (so e.g. pressing Return still does a final application of the value)