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https://github.com/RGBCube/serenity
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LibLine+Userland: Make suggestion offsets per-suggestion
This allows the user to modify different parts of the input with different suggestions.
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parent
1fcef99ff7
commit
118590325a
6 changed files with 79 additions and 51 deletions
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@ -489,7 +489,7 @@ void Editor::stylize(Span const& span, Style const& style)
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ending_map.set(start, style);
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}
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void Editor::suggest(size_t invariant_offset, size_t static_offset, Span::Mode offset_mode) const
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void Editor::transform_suggestion_offsets(size_t& invariant_offset, size_t& static_offset, Span::Mode offset_mode) const
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{
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auto internal_static_offset = static_offset;
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auto internal_invariant_offset = invariant_offset;
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@ -501,7 +501,8 @@ void Editor::suggest(size_t invariant_offset, size_t static_offset, Span::Mode o
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internal_static_offset = offsets.start;
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internal_invariant_offset = offsets.end - offsets.start;
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}
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m_suggestion_manager.set_suggestion_variants(internal_static_offset, internal_invariant_offset, 0);
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invariant_offset = internal_invariant_offset;
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static_offset = internal_static_offset;
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}
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void Editor::initialize()
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@ -1141,7 +1142,6 @@ void Editor::handle_read_event()
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// We have none, or just one suggestion,
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// we should just commit that and continue
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// after it, as if it were auto-completed.
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suggest(0, 0, Span::CodepointOriented);
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m_times_tab_pressed = 0;
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m_suggestion_manager.reset();
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m_suggestion_display->finish();
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@ -1180,7 +1180,6 @@ void Editor::cleanup_suggestions()
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m_refresh_needed = true;
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}
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m_suggestion_manager.reset();
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suggest(0, 0, Span::CodepointOriented);
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m_suggestion_display->finish();
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}
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m_times_tab_pressed = 0; // Safe to say if we get here, the user didn't press TAB
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@ -221,7 +221,7 @@ public:
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// +-|- static offset: the suggestions start here
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// +- invariant offset: the suggestions do not change up to here
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//
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void suggest(size_t invariant_offset = 0, size_t static_offset = 0, Span::Mode offset_mode = Span::ByteOriented) const;
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void transform_suggestion_offsets(size_t& invariant_offset, size_t& static_offset, Span::Mode offset_mode = Span::ByteOriented) const;
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const struct termios& termios() const { return m_termios; }
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const struct termios& default_termios() const { return m_default_termios; }
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@ -84,10 +84,12 @@ CompletionSuggestion const& SuggestionManager::suggest()
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void SuggestionManager::set_current_suggestion_initiation_index(size_t index)
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{
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auto& suggestion = m_suggestions[m_next_suggestion_index];
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if (m_last_shown_suggestion_display_length)
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m_last_shown_suggestion.start_index = index - m_next_suggestion_static_offset - m_last_shown_suggestion_display_length;
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m_last_shown_suggestion.start_index = index - suggestion.static_offset - m_last_shown_suggestion_display_length;
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else
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m_last_shown_suggestion.start_index = index - m_next_suggestion_static_offset - m_next_suggestion_invariant_offset;
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m_last_shown_suggestion.start_index = index - suggestion.static_offset - suggestion.invariant_offset;
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m_last_shown_suggestion_display_length = m_last_shown_suggestion.text_view.length();
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m_last_shown_suggestion_was_complete = true;
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@ -98,7 +100,9 @@ SuggestionManager::CompletionAttemptResult SuggestionManager::attempt_completion
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CompletionAttemptResult result { mode };
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if (m_next_suggestion_index < m_suggestions.size()) {
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auto can_complete = m_next_suggestion_invariant_offset <= m_largest_common_suggestion_prefix_length;
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auto& next_suggestion = m_suggestions[m_next_suggestion_index];
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auto can_complete = next_suggestion.invariant_offset <= m_largest_common_suggestion_prefix_length;
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ssize_t actual_offset;
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size_t shown_length = m_last_shown_suggestion_display_length;
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switch (mode) {
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@ -106,7 +110,7 @@ SuggestionManager::CompletionAttemptResult SuggestionManager::attempt_completion
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actual_offset = 0;
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break;
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case ShowSuggestions:
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actual_offset = 0 - m_largest_common_suggestion_prefix_length + m_next_suggestion_invariant_offset;
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actual_offset = 0 - m_largest_common_suggestion_prefix_length + next_suggestion.invariant_offset;
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if (can_complete)
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shown_length = m_largest_common_suggestion_prefix_length + m_last_shown_suggestion.trivia_view.length();
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break;
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@ -114,11 +118,11 @@ SuggestionManager::CompletionAttemptResult SuggestionManager::attempt_completion
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if (m_last_shown_suggestion_display_length == 0)
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actual_offset = 0;
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else
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actual_offset = 0 - m_last_shown_suggestion_display_length + m_next_suggestion_invariant_offset;
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actual_offset = 0 - m_last_shown_suggestion_display_length + next_suggestion.invariant_offset;
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break;
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}
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result.offset_region_to_remove = { m_next_suggestion_invariant_offset, shown_length };
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result.offset_region_to_remove = { next_suggestion.invariant_offset, shown_length };
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result.new_cursor_offset = actual_offset;
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auto& suggestion = suggest();
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@ -127,7 +131,7 @@ SuggestionManager::CompletionAttemptResult SuggestionManager::attempt_completion
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if (mode == CompletePrefix) {
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// Only auto-complete *if possible*.
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if (can_complete) {
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result.insert.append(suggestion.text_view.substring_view(m_next_suggestion_invariant_offset, m_largest_common_suggestion_prefix_length - m_next_suggestion_invariant_offset));
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result.insert.append(suggestion.text_view.substring_view(suggestion.invariant_offset, m_largest_common_suggestion_prefix_length - suggestion.invariant_offset));
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m_last_shown_suggestion_display_length = m_largest_common_suggestion_prefix_length;
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// Do not increment the suggestion index, as the first tab should only be a *peek*.
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if (m_suggestions.size() == 1) {
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@ -147,7 +151,7 @@ SuggestionManager::CompletionAttemptResult SuggestionManager::attempt_completion
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m_last_shown_suggestion_was_complete = false;
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m_last_shown_suggestion = String::empty();
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} else {
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result.insert.append(suggestion.text_view.substring_view(m_next_suggestion_invariant_offset, suggestion.text_view.length() - m_next_suggestion_invariant_offset));
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result.insert.append(suggestion.text_view.substring_view(suggestion.invariant_offset, suggestion.text_view.length() - suggestion.invariant_offset));
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// Add in the trivia of the last selected suggestion.
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result.insert.append(suggestion.trivia_view);
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m_last_shown_suggestion_display_length += suggestion.trivia_view.length();
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@ -53,6 +53,8 @@ public:
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Style style;
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size_t start_index { 0 };
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size_t input_offset { 0 };
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size_t static_offset { 0 };
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size_t invariant_offset { 0 };
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Utf32View text_view;
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Utf32View trivia_view;
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@ -102,12 +104,6 @@ public:
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void next();
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void previous();
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void set_suggestion_variants(size_t static_offset, size_t invariant_offset, size_t suggestion_index) const
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{
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m_next_suggestion_index = suggestion_index;
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m_next_suggestion_static_offset = static_offset;
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m_next_suggestion_invariant_offset = invariant_offset;
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}
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CompletionSuggestion const& suggest();
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CompletionSuggestion const& current_suggestion() const { return m_last_shown_suggestion; }
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@ -131,8 +127,6 @@ private:
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size_t m_last_shown_suggestion_display_length { 0 };
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bool m_last_shown_suggestion_was_complete { false };
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mutable size_t m_next_suggestion_index { 0 };
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mutable size_t m_next_suggestion_invariant_offset { 0 };
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mutable size_t m_next_suggestion_static_offset { 0 };
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size_t m_largest_common_suggestion_prefix_length { 0 };
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mutable size_t m_last_displayed_suggestion_index { 0 };
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size_t m_selected_suggestion_index { 0 };
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