myloadmenu.cpp

7z一个高压缩比的压缩程序源代码,重要的是里面的算法值得学习

  {
    CMenu menu;
    menu.Attach(hMenu);

    CMenu subMenu;
    subMenu.Attach(menu.GetSubMenu(0));
    while (subMenu.GetItemCount() > 0)
      subMenu.RemoveItem(subMenu.GetItemCount() - 1, MF_BYPOSITION);
    int i;
    for (i = 0; i < 10; i++)
    {
      UString s = LangString(IDS_BOOKMARK, 0x03000720);
      s += L" ";
      wchar_t c = (wchar_t)(L'0' + i);
      s += c;
      s += L"\tAlt+Shift+";
      s += c;
      subMenu.AppendItem(MF_STRING, kSetBookmarkMenuID + i, s);
    }

    while (menu.GetItemCount() > 2)
      menu.RemoveItem(menu.GetItemCount() - 1, MF_BYPOSITION);

    for (i = 0; i < 10; i++)
    {
      UString path = g_App.AppState.FastFolders.GetString(i);
      const int kMaxSize = 100;
      const int kFirstPartSize = kMaxSize / 2;
      if (path.Length() > kMaxSize)
      {
        path = path.Left(kFirstPartSize) + UString(L" ... ") +
          path.Right(kMaxSize - kFirstPartSize);
      }
      UString s = path;
      if (s.IsEmpty())
        s = L"-";
      s += L"\tAlt+";
      s += (wchar_t)(L'0' + i);
      menu.AppendItem(MF_STRING, kOpenBookmarkMenuID + i, s);
    }
  }
}

/*
It doesn't help
void OnMenuUnActivating(HWND hWnd, HMENU hMenu, int id)
{
  if (::GetSubMenu(::GetMenu(g_HWND), 0) != hMenu)
    return;
  // g_App.GetFocusedPanel()._contextMenu.Release();
}

void OnMenuUnActivating(HWND hWnd)
{
}
*/


void LoadFileMenu(HMENU hMenu, int startPos, bool programMenu,
    bool isFsFolder, int numItems, bool allAreFiles)
{
  {
    CMenu srcMenu;
    srcMenu.Attach(::GetSubMenu(::GetMenu(g_HWND), 0));
    if ((HMENU)g_FileMenu == 0)
    {
      g_FileMenu.CreatePopup();
      CopyMenu(srcMenu, g_FileMenu);
    }
  }

  CMenu destMenu;
  destMenu.Attach(hMenu);
  
  for (int i = 0; i < g_FileMenu.GetItemCount(); i++)
  {
    CMenuItem item;

    item.fMask = MIIM_STATE | MIIM_ID | Get_fMaskForFTypeAndString();
    item.fType = MFT_STRING;
    if (g_FileMenu.GetItem(i, true, item))
    {
      if (!programMenu)
        if (item.wID == IDCLOSE)
          continue;
      bool isOneFsFile = (isFsFolder && numItems == 1 && allAreFiles);
      if ((item.wID == IDM_FILE_SPLIT || item.wID == IDM_FILE_COMBINE) && !isOneFsFile)
        item.fState |= MFS_DISABLED;

      /*
      bool createItem = (item.wID == IDM_CREATE_FOLDER || item.wID == IDM_CREATE_FILE);
      if (forFileMode)
      {
        if (createItem)
         continue;
      }
      else
      {
        if (!createItem)
         continue;
      }
      */
      if (destMenu.InsertItem(startPos, true, item))
        startPos++;
    }
  }
  while (destMenu.GetItemCount() > 0)
  {
    CMenuItem item;
    item.fMask = MIIM_TYPE;
    item.fType = 0;
    // item.dwTypeData = 0;
    int lastIndex = destMenu.GetItemCount() - 1;
    if (!destMenu.GetItem(lastIndex, true, item))
      break;
    if(item.fType != MFT_SEPARATOR)
      break;
    if (!destMenu.RemoveItem(lastIndex, MF_BYPOSITION))
      break;
  }
}

bool ExecuteFileCommand(int id)
{
  if (id >= kPluginMenuStartID)
  {
    g_App.GetFocusedPanel().InvokePluginCommand(id);
    g_App.GetFocusedPanel()._sevenZipContextMenu.Release();
    g_App.GetFocusedPanel()._systemContextMenu.Release();
    return true;
  }

  switch (id)
  {
    // File
    case IDM_FILE_OPEN:
      g_App.OpenItem();
      break;
    case IDM_FILE_OPEN_INSIDE:
      g_App.OpenItemInside();
      break;
    case IDM_FILE_OPEN_OUTSIDE:
      g_App.OpenItemOutside();
      break;
    case IDM_FILE_VIEW:
      break;
    case IDM_FILE_EDIT:
      g_App.EditItem();
      break;
    case IDM_RENAME:
      g_App.Rename();
      break;
    case IDM_COPY_TO:
      g_App.CopyTo();
      break;
    case IDM_MOVE_TO:
      g_App.MoveTo();
      break;
    case IDM_DELETE:
    {
      bool shift = (::GetKeyState(VK_SHIFT) & 0x8000) != 0;
      g_App.Delete(!shift);
      break;
    }
    case IDM_FILE_CRC:
      g_App.CalculateCrc();
      break;
    case IDM_FILE_SPLIT:
      g_App.Split();
      break;
    case IDM_FILE_COMBINE:
      g_App.Combine();
      break;
    case IDM_FILE_PROPERTIES:
      g_App.Properties();
      break;
    case IDM_FILE_COMMENT:
      g_App.Comment();
      break;

    case IDM_CREATE_FOLDER:
      g_App.CreateFolder();
      break;
    case IDM_CREATE_FILE:
      g_App.CreateFile();
      break;
    default:
      return false;
  }
  return true;
}

bool OnMenuCommand(HWND hWnd, int id)
{
  if (ExecuteFileCommand(id))
    return true;

  switch (id)
  {
    // File
    case IDCLOSE:
      SendMessage(hWnd, WM_ACTIVATE, MAKEWPARAM(WA_INACTIVE, 0), (LPARAM)hWnd);
      SendMessage (hWnd, WM_CLOSE, 0, 0);
      break;
    
    // Edit
    case IDM_EDIT_CUT:
      g_App.EditCut();
      break;
    case IDM_EDIT_COPY:
      g_App.EditCopy();
      break;
    case IDM_EDIT_PASTE:
      g_App.EditPaste();
      break;
    case IDM_SELECT_ALL:
      g_App.SelectAll(true);
      g_App.RefreshStatusBar();
      break;
    case IDM_DESELECT_ALL:
      g_App.SelectAll(false);
      g_App.RefreshStatusBar();
      break;
    case IDM_INVERT_SELECTION:
      g_App.InvertSelection();
      g_App.RefreshStatusBar();
      break;
    case IDM_SELECT:
      g_App.SelectSpec(true);
      g_App.RefreshStatusBar();
      break;
    case IDM_DESELECT:
      g_App.SelectSpec(false);
      g_App.RefreshStatusBar();
      break;
    case IDM_SELECT_BY_TYPE:
      g_App.SelectByType(true);
      g_App.RefreshStatusBar();
      break;
    case IDM_DESELECT_BY_TYPE:
      g_App.SelectByType(false);
      g_App.RefreshStatusBar();
      break;

    //View
    case IDM_VIEW_LARGE_ICONS:
    case IDM_VIEW_SMALL_ICONS:
    case IDM_VIEW_LIST:
    case IDM_VIEW_DETAILS:
    {
      UINT index = id - IDM_VIEW_LARGE_ICONS;
      if (index < 4)
      {
        g_App.SetListViewMode(index);
        /*
        CMenu menu;
        menu.Attach(::GetSubMenu(::GetMenu(hWnd), kViewMenuIndex));
        menu.CheckRadioItem(IDM_VIEW_LARGE_ICONS, IDM_VIEW_DETAILS,
            id, MF_BYCOMMAND);
        */
      }
      break;
    }
    case IDM_VIEW_ARANGE_BY_NAME:
    {
      g_App.SortItemsWithPropID(kpidName);
      break;
    }
    case IDM_VIEW_ARANGE_BY_TYPE:
    {
      g_App.SortItemsWithPropID(kpidExtension);
      break;
    }
    case IDM_VIEW_ARANGE_BY_DATE:
    {
      g_App.SortItemsWithPropID(kpidMTime);
      break;
    }
    case IDM_VIEW_ARANGE_BY_SIZE:
    {
      g_App.SortItemsWithPropID(kpidSize);
      break;
    }
    case IDM_VIEW_ARANGE_NO_SORT:
    {
      g_App.SortItemsWithPropID(kpidNoProperty);
      break;
    }

    case IDM_OPEN_ROOT_FOLDER:
      g_App.OpenRootFolder();
      break;
    case IDM_OPEN_PARENT_FOLDER:
      g_App.OpenParentFolder();
      break;
    case IDM_FOLDERS_HISTORY:
      g_App.FoldersHistory();
      break;
    case IDM_VIEW_REFRESH:
      g_App.RefreshView();
      break;
    case IDM_VIEW_FLAT_VIEW:
      g_App.ChangeFlatMode();
      break;
    case IDM_VIEW_TWO_PANELS:
      g_App.SwitchOnOffOnePanel();
      break;
    case IDM_VIEW_STANDARD_TOOLBAR:
      g_App.SwitchStandardToolbar();
      break;
    case IDM_VIEW_ARCHIVE_TOOLBAR:
      g_App.SwitchArchiveToolbar();
      break;
    case IDM_VIEW_TOOLBARS_SHOW_BUTTONS_TEXT:
      g_App.SwitchButtonsLables();
      break;
    case IDM_VIEW_TOOLBARS_LARGE_BUTTONS:
      g_App.SwitchLargeButtons();
      break;

    // Tools
    case IDM_OPTIONS:
      OptionsDialog(hWnd, g_hInstance);
      break;
          
    case IDM_BENCHMARK:
      Benchmark();
      break;
    // Help
    case IDM_HELP_CONTENTS:
      ShowHelpWindow(NULL, kFMHelpTopic);
      break;
    case IDM_ABOUT:
    {
      CAboutDialog dialog;
      dialog.Create(hWnd);
      break;
    }
    default:
    {
      if (id >= kOpenBookmarkMenuID && id <= kOpenBookmarkMenuID + 9)
      {
        g_App.OpenBookmark(id - kOpenBookmarkMenuID);
        return true;
      }
      else if (id >= kSetBookmarkMenuID && id <= kSetBookmarkMenuID + 9)
      {
        g_App.SetBookmark(id - kSetBookmarkMenuID);
        return true;
      }
      return false;
    }
  }
  return true;
}