Method handle_regular_key

src/runner/cli_wide.cpp:441–753

\brief Handle regular character keys

/// \brief Handle regular character keys
CLIWide::KeyAction CLIWide::handle_regular_key(const KEY_EVENT_RECORD& keyEvent, InputState& state) {
    WORD vkCode = keyEvent.wVirtualKeyCode;
    WCHAR unicodeChar = keyEvent.uChar.UnicodeChar;
    DWORD controlKeyState = keyEvent.dwControlKeyState;
    
    // Handle TAB key
    if (vkCode == VK_TAB) {
        // Check if adding tab would cause wrapping
        std::string test_line = state.lines[state.current_line_index];
        test_line.insert(state.cursor_pos, "\t");
        
        if (needs_line_wrap(test_line, state.prompt_len)) {
            // Line would wrap, so create new line first, then insert tab
            create_new_line_and_jump(state);
            // Now insert the tab in the new line
            state.lines[state.current_line_index].insert(state.cursor_pos, "\t");
            state.cursor_pos += 1;
            
            // Redraw the new line with the tab
            int visual_cursor_col = state.prompt_len + get_visual_cursor_position(state.lines[state.current_line_index], state.cursor_pos);
            move_cursor_to_column(state.prompt_len);
            clear_line_from_cursor();
            std::cout << visualize_tabs(state.lines[state.current_line_index]);
            set_cursor_position(visual_cursor_col);
        } else {
            // No wrapping needed, insert tab normally
            size_t insertion_pos = state.cursor_pos;
            state.lines[state.current_line_index].insert(state.cursor_pos, "\t");
            state.cursor_pos += 1;
            
            // Redraw line from the insertion point with tab visualization
            int visual_cursor_col = state.prompt_len + get_visual_cursor_position(state.lines[state.current_line_index], state.cursor_pos);
            move_cursor_to_column(state.prompt_len + get_visual_cursor_position(state.lines[state.current_line_index], insertion_pos));
            clear_line_from_cursor();
            std::cout << visualize_tabs(state.lines[state.current_line_index].substr(insertion_pos));
            set_cursor_position(visual_cursor_col);
        }
        
        state.history_nav_index = -1;
        return KeyAction::CONTINUE;
    }
    
    // Handle Enter key (including Shift + Enter detection)
    if (vkCode == VK_RETURN) {
        bool shift_pressed = (GetKeyState(VK_SHIFT) & 0x8000) != 0;
        std::cout << std::endl;
        
        if (shift_pressed) {
            // Shift + Enter: Create new line directly
            state.lines.push_back("");
            state.is_wrapped_line.push_back(false);  // User-created line, not wrapped
            state.current_line_index++;
            state.cursor_pos = 0;
            state.prompt_len = 4; // "... " for continuation lines
            
            // Safety check: ensure vectors stay in sync
            if (state.lines.size() != state.is_wrapped_line.size()) {
                size_t min_size = (state.lines.size() < state.is_wrapped_line.size()) ? state.lines.size() : state.is_wrapped_line.size();