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LibLine: Properly paginate suggestions in XtermSuggestionDisplay

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This commit adds back suggestion pagination, and makes it 10x better.
Also adds a "< page m of n >" indicator at the bottom if there are more
suggestions than would fit in a page.
It properly handles cycling forwards and backwards :^)
This commit is contained in:
AnotherTest 2020-05-22 14:02:17 +04:30 • committed by Andreas Kling
parent 0446b7e347
commit 3c3edf5831
4 changed files with 95 additions and 4 deletions
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7
Libraries/LibLine/SuggestionManager.h
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@ -83,12 +83,13 @@ class SuggestionManager {
public:
void set_suggestions(Vector<CompletionSuggestion>&& suggestions);
void set_current_suggestion_initiation_index(size_t index);
void set_current_suggestion_initiation_index(size_t start_index);
size_t count() const { return m_suggestions.size(); }
size_t display_length() const { return m_last_shown_suggestion_display_length; }
size_t index() const { return m_last_displayed_suggestion_index; }
size_t start_index() const { return m_last_displayed_suggestion_index; }
size_t next_index() const { return m_next_suggestion_index; }
void set_start_index(size_t index) const { m_last_displayed_suggestion_index = index; }
size_t for_each_suggestion(Function<IterationDecision(const CompletionSuggestion&, size_t)>) const;
@ -151,7 +152,7 @@ private:
mutable size_t m_next_suggestion_invariant_offset { 0 };
mutable size_t m_next_suggestion_static_offset { 0 };
size_t m_largest_common_suggestion_prefix_length { 0 };
size_t m_last_displayed_suggestion_index { 0 };
mutable size_t m_last_displayed_suggestion_index { 0 };
size_t m_selected_suggestion_index { 0 };
};