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LibGUI: Add optional placeholder to TextEditor

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This lets you show some disabled text when no text is entered, and the
editor is not focused.
This commit is contained in:
Peter Elliott 2020-09-20 12:20:24 -07:00 • committed by Andreas Kling
parent 5b6ccbb918
commit fa96e57c15
4 changed files with 19 additions and 1 deletions
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5
Libraries/LibGUI/TextEditor.h
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@ -60,6 +60,9 @@ public:
virtual void set_document(TextDocument&);
const String& placeholder() const { return m_placeholder; }
void set_placeholder(const StringView& placeholder) { m_placeholder = placeholder; }
void set_visualize_trailing_whitespace(bool);
bool visualize_trailing_whitespace() const { return m_visualize_trailing_whitespace; }
@ -301,6 +304,8 @@ private:
RefPtr<TextDocument> m_document;
String m_placeholder { "" };
template<typename Callback>
void for_each_visual_line(size_t line_index, Callback) const;