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LibLine: Expose actual_rendered_string_length & accept newlines in prompt

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AnotherTest 2020-05-10 11:30:38 +04:30 • committed by Andreas Kling
parent 1d0d0e9d00
commit ccdef5a675
2 changed files with 6 additions and 2 deletions
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5
Libraries/LibLine/Editor.cpp
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@ -1031,6 +1031,11 @@ size_t Editor::actual_rendered_string_length(const StringView& string) const
state = Escape; state = Escape;
continue; continue;
} }
if (c == '\r' || c == '\n') {
// reset length to 0, since we either overwrite, or are on a newline
length = 0;
continue;
}
// FIXME: This will not support anything sophisticated // FIXME: This will not support anything sophisticated
++length; ++length;
break; break;

3
Libraries/LibLine/Editor.h
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@ -130,6 +130,7 @@ public:
const Vector<String>& history() const { return m_history; } const Vector<String>& history() const { return m_history; }
void register_character_input_callback(char ch, Function<bool(Editor&)> callback); void register_character_input_callback(char ch, Function<bool(Editor&)> callback);
size_t actual_rendered_string_length(const StringView& string) const;
Function<Vector<CompletionSuggestion>(const String&)> on_tab_complete_first_token; Function<Vector<CompletionSuggestion>(const String&)> on_tab_complete_first_token;
Function<Vector<CompletionSuggestion>(const String&)> on_tab_complete_other_token; Function<Vector<CompletionSuggestion>(const String&)> on_tab_complete_other_token;
@ -252,8 +253,6 @@ private:
return (m_drawn_cursor + current_prompt_length()) % m_num_columns; return (m_drawn_cursor + current_prompt_length()) % m_num_columns;
} }
size_t actual_rendered_string_length(const StringView& string) const;
void set_origin() void set_origin()
{ {
auto position = vt_dsr(); auto position = vt_dsr();