Window: selection behaviour now depends on a window state
more vi-like behaviour, hit the v key to toggle append selection mode, this means much more keys become available for mapping, as caps are now longer reserved to append mode.
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parent
309b722df9
commit
43fb64a913
45
src/main.cc
45
src/main.cc
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@ -370,7 +370,7 @@ void do_search(Window& window)
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else
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RegisterManager::instance()['/'] = ex;
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window.select(false, RegexSelector(ex));
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window.select(RegexSelector(ex));
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}
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catch (prompt_aborted&) {}
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}
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@ -379,7 +379,7 @@ void do_search_next(Window& window)
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{
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std::string& ex = RegisterManager::instance()['/'];
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if (not ex.empty())
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window.select(false, RegexSelector(ex));
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window.select(RegexSelector(ex));
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else
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print_status("no search pattern");
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}
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@ -414,28 +414,18 @@ void do_paste(Window& window, int count)
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std::unordered_map<char, std::function<void (Window& window, int count)>> keymap =
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{
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{ 'h', [](Window& window, int count) { window.move_cursor(WindowCoord(0, -std::max(count,1))); window.empty_selections(); } },
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{ 'j', [](Window& window, int count) { window.move_cursor(WindowCoord( std::max(count,1), 0)); window.empty_selections(); } },
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{ 'k', [](Window& window, int count) { window.move_cursor(WindowCoord(-std::max(count,1), 0)); window.empty_selections(); } },
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{ 'l', [](Window& window, int count) { window.move_cursor(WindowCoord(0, std::max(count,1))); window.empty_selections(); } },
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{ 'h', [](Window& window, int count) { window.move_cursor(WindowCoord(0, -std::max(count,1))); } },
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{ 'j', [](Window& window, int count) { window.move_cursor(WindowCoord( std::max(count,1), 0)); } },
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{ 'k', [](Window& window, int count) { window.move_cursor(WindowCoord(-std::max(count,1), 0)); } },
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{ 'l', [](Window& window, int count) { window.move_cursor(WindowCoord(0, std::max(count,1))); } },
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{ 'H', [](Window& window, int count) { window.select(true, std::bind(move_select, std::ref(window), _1,
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WindowCoord(0, -std::max(count,1)))); } },
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{ 'J', [](Window& window, int count) { window.select(true, std::bind(move_select, std::ref(window), _1,
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WindowCoord( std::max(count,1), 0))); } },
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{ 'K', [](Window& window, int count) { window.select(true, std::bind(move_select, std::ref(window), _1,
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WindowCoord(-std::max(count,1), 0))); } },
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{ 'L', [](Window& window, int count) { window.select(true, std::bind(move_select, std::ref(window), _1,
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WindowCoord(0, std::max(count,1)))); } },
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{ 't', [](Window& window, int count) { window.select(false, std::bind(select_to, _1, getch(), count, false)); } },
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{ 'f', [](Window& window, int count) { window.select(false, std::bind(select_to, _1, getch(), count, true)); } },
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{ 't', [](Window& window, int count) { window.select(std::bind(select_to, _1, getch(), count, false)); } },
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{ 'f', [](Window& window, int count) { window.select(std::bind(select_to, _1, getch(), count, true)); } },
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{ 'd', do_erase },
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{ 'c', do_change },
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{ 'i', [](Window& window, int count) { do_insert(window); } },
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{ 'a', [](Window& window, int count) { do_insert(window, true); } },
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{ 'o', [](Window& window, int count) { window.select(true, select_line); window.append("\n"); do_insert(window, true); } },
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{ 'g', do_go },
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@ -443,20 +433,19 @@ std::unordered_map<char, std::function<void (Window& window, int count)>> keymap
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{ 'p', do_paste<true> },
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{ 'P', do_paste<false> },
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{ '%', [](Window& window, int count) { window.select(false, [](const BufferIterator& cursor)
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{ 'v', [](Window& window, int count) { window.set_select_mode(window.select_mode() == Window::SelectMode::Append ?
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Window::SelectMode::Normal : Window::SelectMode::Append); } },
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{ '%', [](Window& window, int count) { window.select([](const BufferIterator& cursor)
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{ return Selection(cursor.buffer().begin(), cursor.buffer().end()-1); }); } },
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{ ':', [](Window& window, int count) { do_command(); } },
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{ ' ', [](Window& window, int count) { window.empty_selections(); } },
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{ 'w', [](Window& window, int count) { do { window.select(false, select_to_next_word); } while(--count > 0); } },
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{ 'W', [](Window& window, int count) { do { window.select(true, select_to_next_word); } while(--count > 0); } },
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{ 'e', [](Window& window, int count) { do { window.select(false, select_to_next_word_end); } while(--count > 0); } },
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{ 'E', [](Window& window, int count) { do { window.select(true, select_to_next_word_end); } while(--count > 0); } },
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{ 'b', [](Window& window, int count) { do { window.select(false, select_to_previous_word); } while(--count > 0); } },
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{ 'B', [](Window& window, int count) { do { window.select(true, select_to_previous_word); } while(--count > 0); } },
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{ '.', [](Window& window, int count) { do { window.select(false, select_line); } while(--count > 0); } },
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{ 'm', [](Window& window, int count) { window.select(false, select_matching); } },
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{ 'M', [](Window& window, int count) { window.select(true, select_matching); } },
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{ 'w', [](Window& window, int count) { do { window.select(select_to_next_word); } while(--count > 0); } },
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{ 'e', [](Window& window, int count) { do { window.select(select_to_next_word_end); } while(--count > 0); } },
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{ 'b', [](Window& window, int count) { do { window.select(select_to_previous_word); } while(--count > 0); } },
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{ '.', [](Window& window, int count) { do { window.select(select_line); } while(--count > 0); } },
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{ 'm', [](Window& window, int count) { window.select(select_matching); } },
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{ '/', [](Window& window, int count) { do_search(window); } },
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{ 'n', [](Window& window, int count) { do_search_next(window); } },
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{ 'u', [](Window& window, int count) { do { if (not window.undo()) { print_status("nothing left to undo"); break; } } while(--count > 0); } },
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@ -37,6 +37,7 @@ Window::Window(Buffer& buffer)
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: m_buffer(buffer),
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m_position(0, 0),
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m_dimensions(0, 0),
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m_select_mode(SelectMode::Normal),
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m_current_inserter(nullptr)
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{
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m_selections.push_back(Selection(buffer.begin(), buffer.begin()));
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@ -153,11 +154,11 @@ void Window::empty_selections()
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m_selections.push_back(std::move(sel));
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}
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void Window::select(bool append, const Selector& selector)
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void Window::select(const Selector& selector)
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{
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check_invariant();
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if (not append)
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if (m_select_mode == SelectMode::Normal)
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{
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Selection sel = selector(m_selections.back().last());
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m_selections.clear();
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@ -183,7 +184,16 @@ BufferString Window::selection_content() const
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void Window::move_cursor(const WindowCoord& offset)
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{
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if (m_select_mode == SelectMode::Normal)
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move_cursor_to(cursor_position() + offset);
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else
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{
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for (auto& sel : m_selections)
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{
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WindowCoord pos = line_and_column_at(sel.last());
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sel = Selection(sel.first(), iterator_at(pos + offset));
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}
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}
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}
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void Window::move_cursor_to(const WindowCoord& new_pos)
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@ -45,6 +45,13 @@ public:
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typedef BufferString String;
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typedef std::function<Selection (const BufferIterator&)> Selector;
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enum class SelectMode
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{
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Normal,
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Append,
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LineAppend,
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};
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void erase();
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void insert(const String& string);
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void append(const String& string);
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@ -64,7 +71,7 @@ public:
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void move_cursor_to(const WindowCoord& new_pos);
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void empty_selections();
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void select(bool append, const Selector& selector);
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void select(const Selector& selector);
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BufferString selection_content() const;
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void set_dimensions(const WindowCoord& dimensions);
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@ -76,6 +83,9 @@ public:
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bool undo();
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bool redo();
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SelectMode select_mode() const { return m_select_mode; }
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void set_select_mode(SelectMode select_mode) { m_select_mode = select_mode; }
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private:
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friend class Buffer;
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@ -92,6 +102,7 @@ private:
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friend class IncrementalInserter;
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IncrementalInserter* m_current_inserter;
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SelectMode m_select_mode;
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Buffer& m_buffer;
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BufferCoord m_position;
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WindowCoord m_dimensions;
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