Merge pull request #111 from barrett-ruth/feat/interact

Feat/interact

doc/cp.txt

@@ -152,7 +152,7 @@ Here's an example configuration with lazy.nvim: >lua
                 diff_mode = 'vim',
                 next_test_key = '<c-n>',
                 prev_test_key = '<c-p>',
-                toggle_diff_key = 't',
+                toggle_diff_key = '<c-q>',
                 max_output_lines = 50,
             },
             diff = {
@@ -203,18 +203,19 @@ Here's an example configuration with lazy.nvim: >lua
 
                                                         *cp.RunPanelConfig*
     Fields: ~
-        {ansi}            (boolean, default: true) Enable ANSI color parsing and
+        {ansi}             (boolean, default: true) Enable ANSI color parsing and
-                          highlighting. When true, compiler output and test results
+                           highlighting. When true, compiler output and test results
-                          display with colored syntax highlighting. When false,
+                           display with colored syntax highlighting. When false,
-                          ANSI escape codes are stripped for plain text display.
+                           ANSI escape codes are stripped for plain text display.
-                          Requires vim.g.terminal_color_* to be configured for
+                           Requires vim.g.terminal_color_* to be configured for
-                          proper color display.
+                           proper color display.
-        {diff_mode}       (string, default: "none") Diff backend: "none", "vim", or "git".
+        {diff_mode}        (string, default: "none") Diff backend: "none", "vim", or "git".
-                          "none" displays plain buffers without highlighting,
+                           "none" displays plain buffers without highlighting,
-                          "vim" uses built-in diff, "git" provides character-level precision.
+                           "vim" uses built-in diff, "git" provides character-level precision.
-        {next_test_key}   (string, default: "<c-n>") Key to navigate to next test case.
+        {next_test_key}    (string, default: "<c-n>") Key to navigate to next test case.
-        {prev_test_key}   (string, default: "<c-p>") Key to navigate to previous test case.
+        {prev_test_key}    (string, default: "<c-p>") Key to navigate to previous test case.
-        {toggle_diff_key} (string, default: "t") Key to cycle through diff modes.
+        {toggle_diff_key}  (string, default: "<c-t>") Key to cycle through diff modes.
+        {close_key}        (string, default: "<c-q>") Close the run panel/interactive terminal
         {max_output_lines} (number, default: 50) Maximum lines of test output.
 
                                                             *cp.DiffConfig*
@@ -531,9 +532,9 @@ RUN PANEL KEYMAPS                                           *cp-test-keys*
                                 run_panel.next_test_key)
 <c-p>                           Navigate to previous test case (configurable via
                                 run_panel.prev_test_key)
-t                               Cycle through diff modes: none → git → vim (configurable
+<c-t>                           Cycle through diff modes: none → git → vim (configurable
                                 via run_panel.toggle_diff_key)
-q                               Exit test panel and restore layout
+<c-q>                           Exit run panel/interactive terminal and restore layout
 
 Diff Modes ~
 

lua/cp/commands/init.lua

@@ -126,7 +126,9 @@ function M.handle_command(opts)
     local setup = require('cp.setup')
     local ui = require('cp.ui.panel')
 
-    if cmd.action == 'run' then
+    if cmd.action == 'interact' then
+      ui.toggle_interactive()
+    elseif cmd.action == 'run' then
       ui.toggle_run_panel(cmd.debug)
     elseif cmd.action == 'next' then
       setup.navigate_problem(1, cmd.language)

lua/cp/config.lua

@@ -34,6 +34,7 @@
 ---@field next_test_key string Key to navigate to next test case
 ---@field prev_test_key string Key to navigate to previous test case
 ---@field toggle_diff_key string Key to cycle through diff modes
+---@field close_key string Key to close panel/interactive terminal
 ---@field max_output_lines number Maximum lines of test output to display
 
 ---@class DiffGitConfig
@@ -103,7 +104,8 @@ M.defaults = {
     diff_mode = 'none',
     next_test_key = '<c-n>',
     prev_test_key = '<c-p>',
-    toggle_diff_key = 't',
+    toggle_diff_key = '<c-t>',
+    close_key = '<c-q>',
     max_output_lines = 50,
   },
   diff = {
@@ -229,6 +231,13 @@ function M.setup(user_config)
       end,
       'toggle_diff_key must be a non-empty string',
     },
+    close_key = {
+      config.run_panel.close_key,
+      function(value)
+        return type(value) == 'string' and value ~= ''
+      end,
+      'close_key must be a non-empty string',
+    },
     max_output_lines = {
       config.run_panel.max_output_lines,
       function(value)

lua/cp/constants.lua

@@ -1,7 +1,7 @@
 local M = {}
 
 M.PLATFORMS = { 'atcoder', 'codeforces', 'cses' }
-M.ACTIONS = { 'run', 'next', 'prev', 'pick', 'cache' }
+M.ACTIONS = { 'run', 'next', 'prev', 'pick', 'cache', 'interact' }
 
 M.PLATFORM_DISPLAY_NAMES = {
   atcoder = 'AtCoder',

lua/cp/state.lua

@@ -7,8 +7,6 @@
 ---@field set_problem_id fun(problem_id: string)
 ---@field get_test_cases fun(): table[]?
 ---@field set_test_cases fun(test_cases: table[])
----@field is_run_panel_active fun(): boolean
----@field set_run_panel_active fun(active: boolean)
 ---@field get_saved_session fun(): table?
 ---@field set_saved_session fun(session: table)
 ---@field get_context fun(): {platform: string?, contest_id: string?, problem_id: string?}
@@ -28,8 +26,8 @@ local state = {
   contest_id = nil,
   problem_id = nil,
   test_cases = nil,
-  run_panel_active = false,
   saved_session = nil,
+  active_panel = nil,
 }
 
 function M.get_platform()
@@ -64,14 +62,6 @@ function M.set_test_cases(test_cases)
   state.test_cases = test_cases
 end
 
-function M.is_run_panel_active()
-  return state.run_panel_active
-end
-
-function M.set_run_panel_active(active)
-  state.run_panel_active = active
-end
-
 function M.get_saved_session()
   return state.saved_session
 end
@@ -149,6 +139,14 @@ function M.has_context()
   return state.platform and state.contest_id
 end
 
+function M.get_active_panel()
+  return state.active_panel
+end
+
+function M.set_active_panel(panel)
+  state.active_panel = panel
+end
+
 function M.reset()
   state.platform = nil
   state.contest_id = nil

lua/cp/ui/panel.lua

@@ -9,8 +9,66 @@ local state = require('cp.state')
 local current_diff_layout = nil
 local current_mode = nil
 
+function M.toggle_interactive()
+  if state.get_active_panel() == 'interactive' then
+    if state.interactive_buf and vim.api.nvim_buf_is_valid(state.interactive_buf) then
+      local job = vim.b[state.interactive_buf].terminal_job_id
+      if job then
+        vim.fn.jobstop(job)
+      end
+    end
+    if state.saved_interactive_session then
+      vim.cmd(('source %s'):format(state.saved_interactive_session))
+      vim.fn.delete(state.saved_interactive_session)
+      state.saved_interactive_session = nil
+    end
+    state.set_active_panel(nil)
+    logger.log('interactive closed')
+    return
+  end
+
+  if state.get_active_panel() then
+    logger.log('another panel is already active', vim.log.levels.ERROR)
+    return
+  end
+
+  state.saved_interactive_session = vim.fn.tempname()
+  vim.cmd(('mksession! %s'):format(state.saved_interactive_session))
+  vim.cmd('silent only')
+
+  local config = config_module.get_config()
+  local contest_config = config.contests[state.get_platform() or '']
+  local execute = require('cp.runner.execute')
+  local compile_result = execute.compile_problem(contest_config, false)
+  if not compile_result.success then
+    require('cp.runner.run').handle_compilation_failure(compile_result.output)
+    return
+  end
+
+  local binary = state.get_binary_file()
+  if not binary then
+    logger.log('no binary path found', vim.log.levels.ERROR)
+    return
+  end
+
+  vim.cmd('terminal')
+  local term_buf = vim.api.nvim_get_current_buf()
+  local term_win = vim.api.nvim_get_current_win()
+
+  vim.fn.chansend(vim.b.terminal_job_id, binary .. '\n')
+
+  vim.keymap.set('t', config.run_panel.close_key, function()
+    M.toggle_interactive()
+  end, { buffer = term_buf, silent = true })
+
+  state.interactive_buf = term_buf
+  state.interactive_win = term_win
+  state.set_active_panel('interactive')
+  logger.log(('interactive opened, running %s'):format(binary))
+end
+
 function M.toggle_run_panel(is_debug)
-  if state.is_run_panel_active() then
+  if state.get_active_panel() == 'run' then
     if current_diff_layout then
       current_diff_layout.cleanup()
       current_diff_layout = nil
@@ -21,12 +79,16 @@ function M.toggle_run_panel(is_debug)
       vim.fn.delete(state.saved_session)
       state.saved_session = nil
     end
-
+    state.set_active_panel(nil)
-    state.set_run_panel_active(false)
     logger.log('test panel closed')
     return
   end
 
+  if state.get_active_panel() then
+    logger.log('another panel is already active', vim.log.levels.ERROR)
+    return
+  end
+
   if not state.get_platform() then
     logger.log(
       'No contest configured. Use :CP <platform> <contest> <problem> to set up first.',
@@ -55,13 +117,11 @@ function M.toggle_run_panel(is_debug)
   if config.hooks and config.hooks.before_run then
     config.hooks.before_run(state)
   end
-
   if is_debug and config.hooks and config.hooks.before_debug then
     config.hooks.before_debug(state)
   end
 
   local run = require('cp.runner.run')
-
   local input_file = state.get_input_file()
   logger.log(('run panel: checking test cases for %s'):format(input_file or 'none'))
 
@@ -72,7 +132,6 @@ function M.toggle_run_panel(is_debug)
 
   state.saved_session = vim.fn.tempname()
   vim.cmd(('mksession! %s'):format(state.saved_session))
-
   vim.cmd('silent only')
 
   local tab_buf = buffer_utils.create_buffer_with_options()
@@ -80,13 +139,8 @@ function M.toggle_run_panel(is_debug)
   vim.api.nvim_win_set_buf(main_win, tab_buf)
   vim.api.nvim_set_option_value('filetype', 'cptest', { buf = tab_buf })
 
-  local test_windows = {
+  local test_windows = { tab_win = main_win }
-    tab_win = main_win,
+  local test_buffers = { tab_buf = tab_buf }
-  }
-  local test_buffers = {
-    tab_buf = tab_buf,
-  }
-
   local test_list_namespace = vim.api.nvim_create_namespace('cp_test_list')
 
   local setup_keybindings_for_buffer
@@ -106,10 +160,8 @@ function M.toggle_run_panel(is_debug)
     if not test_buffers.tab_buf or not vim.api.nvim_buf_is_valid(test_buffers.tab_buf) then
       return
     end
-
     local run_render = require('cp.runner.run_render')
     run_render.setup_highlights()
-
     local test_state = run.get_run_panel_state()
     local tab_lines, tab_highlights = run_render.render_test_list(test_state)
     buffer_utils.update_buffer_content(
@@ -118,7 +170,6 @@ function M.toggle_run_panel(is_debug)
       tab_highlights,
       test_list_namespace
     )
-
     update_diff_panes()
   end
 
@@ -127,14 +178,12 @@ function M.toggle_run_panel(is_debug)
     if #test_state.test_cases == 0 then
       return
     end
-
     test_state.current_index = (test_state.current_index + delta) % #test_state.test_cases
-
     refresh_run_panel()
   end
 
   setup_keybindings_for_buffer = function(buf)
-    vim.keymap.set('n', 'q', function()
+    vim.keymap.set('n', config.run_panel.close_key, function()
       M.toggle_run_panel()
     end, { buffer = buf, silent = true })
     vim.keymap.set('n', config.run_panel.toggle_diff_key, function()
@@ -189,10 +238,9 @@ function M.toggle_run_panel(is_debug)
   end)
 
   vim.api.nvim_set_current_win(test_windows.tab_win)
-
-  state.set_run_panel_active(true)
   state.test_buffers = test_buffers
   state.test_windows = test_windows
+  state.set_active_panel('run')
   local test_state = run.get_run_panel_state()
   logger.log(
     string.format('test panel opened (%d test cases)', #test_state.test_cases),

spec/command_parsing_spec.lua

@@ -33,18 +33,15 @@ describe('cp command parsing', function()
       get_problem_id = function()
         return 'a'
       end,
-      is_run_panel_active = function()
-        return false
-      end,
       set_platform = function() end,
       set_contest_id = function() end,
       set_problem_id = function() end,
-      set_run_panel_active = function() end,
     }
     package.loaded['cp.state'] = mock_state
 
     local mock_ui_panel = {
       toggle_run_panel = function() end,
+      toggle_interactive = function() end,
     }
     package.loaded['cp.ui.panel'] = mock_ui_panel