dialogs.c

C语言编程中算法数据结构中的树行代码

        InvalidateRect(GetDlgItem(hwnd,IDC_FAVORITESDIR),NULL,TRUE);

        GetWindowRect(GetDlgItem(hwnd,IDC_GETFAVORITESDIR),&rc);
        MapWindowPoints(NULL,hwnd,(LPPOINT)&rc,2);
        SetWindowPos(GetDlgItem(hwnd,IDC_GETFAVORITESDIR),NULL,rc.left,rc.top+dyClient,0,0,SWP_NOZORDER|SWP_NOSIZE);
        InvalidateRect(GetDlgItem(hwnd,IDC_GETFAVORITESDIR),NULL,TRUE);

        GetWindowRect(GetDlgItem(hwnd,IDC_FAVORITESDESCR),&rc);
        MapWindowPoints(NULL,hwnd,(LPPOINT)&rc,2);
        SetWindowPos(GetDlgItem(hwnd,IDC_FAVORITESDESCR),NULL,rc.left,rc.top+dyClient,0,0,SWP_NOZORDER|SWP_NOSIZE);
        InvalidateRect(GetDlgItem(hwnd,IDC_FAVORITESDESCR),NULL,TRUE);
      }
      return TRUE;


    case WM_GETMINMAXINFO:
      {
        LPMINMAXINFO lpmmi = (LPMINMAXINFO)lParam;
        lpmmi->ptMinTrackSize.x = mmiPtMinX;
        lpmmi->ptMinTrackSize.y = mmiPtMaxY;
        //lpmmi->ptMaxTrackSize.y = mmiPtMaxY;
      }
      return TRUE;


    case WM_NOTIFY:
      {
        LPNMHDR pnmh = (LPNMHDR)lParam;

        if (pnmh->idFrom == IDC_FAVORITESDIR)
        {
          switch(pnmh->code)
          {
            case LVN_GETDISPINFO:
              DirList_GetDispInfo(GetDlgItem(hwnd,IDC_OPENWITHDIR),lParam,flagNoFadeHidden);
              break;

            case LVN_DELETEITEM:
              DirList_DeleteItem(GetDlgItem(hwnd,IDC_FAVORITESDIR),lParam);
              break;

            case LVN_ITEMCHANGED: {
                NM_LISTVIEW *pnmlv = (NM_LISTVIEW*)lParam;
                EnableWindow(GetDlgItem(hwnd,IDOK),(pnmlv->uNewState & LVIS_SELECTED));
              }
              break;

            case NM_DBLCLK:
              if (ListView_GetSelectedCount(GetDlgItem(hwnd,IDC_FAVORITESDIR)))
                SendMessage(hwnd,WM_COMMAND,MAKELONG(IDOK,1),0);
              break;
          }
        }
      }
      return TRUE;


    case WM_COMMAND:

      switch(LOWORD(wParam))
      {

        case IDC_GETFAVORITESDIR:
          {
            if (GetDirectory(hwnd,IDS_FAVORITES,tchFavoritesDir,tchFavoritesDir,TRUE))
            {
              lstrcpy(tchFavoritesDirBuf,tchFavoritesDir);
              DirList_Fill(GetDlgItem(hwnd,IDC_FAVORITESDIR),tchFavoritesDir,DL_ALLOBJECTS,NULL,FALSE,flagNoFadeHidden,DS_NAME,FALSE);
              DirList_StartIconThread(GetDlgItem(hwnd,IDC_FAVORITESDIR));
              ListView_EnsureVisible(GetDlgItem(hwnd,IDC_FAVORITESDIR),0,FALSE);
              ListView_SetItemState(GetDlgItem(hwnd,IDC_FAVORITESDIR),0,LVIS_FOCUSED,LVIS_FOCUSED);
            }
            PostMessage(hwnd,WM_NEXTDLGCTL,(WPARAM)(GetDlgItem(hwnd,IDC_FAVORITESDIR)),1);
          }
          break;


        case IDOK: {
            LPDLITEM lpdli = (LPDLITEM)GetWindowLong(hwnd,DWL_USER);
            lpdli->mask = DLI_FILENAME | DLI_TYPE;
            lpdli->ntype = DLE_NONE;
            DirList_GetItem(GetDlgItem(hwnd,IDC_FAVORITESDIR),(-1),lpdli);

            if (lpdli->ntype != DLE_NONE)
              EndDialog(hwnd,IDOK);
            else
              MessageBeep(0);
          }
          break;


        case IDCANCEL:
          EndDialog(hwnd,IDCANCEL);
          break;

      }

      return TRUE;

  }

  return FALSE;

}


//=============================================================================
//
//  FavoritesDlg()
//
BOOL FavoritesDlg(HWND hwnd,LPSTR lpstrFile)
{

  DLITEM dliFavorite;
  dliFavorite.mask = DLI_FILENAME;

  if (IDOK == DialogBoxParam(g_hInstance,MAKEINTRESOURCE(IDD_FAVORITES),
                             hwnd,FavoritesDlgProc,(LPARAM)&dliFavorite))
  {
    lstrcpyn(lpstrFile,dliFavorite.szFileName,MAX_PATH);
    return(TRUE);
  }

  return(FALSE);

}


//=============================================================================
//
//  AddToFavDlgProc()
//
//  Controls: 100 Edit
//
BOOL CALLBACK AddToFavDlgProc(HWND hwnd,UINT umsg,WPARAM wParam,LPARAM lParam)
{

  switch(umsg)
  {

    char *pszName;

    case WM_INITDIALOG:
      pszName = (LPSTR)lParam;
      SetWindowLong(hwnd,DWL_USER,(LONG)pszName);

      SendDlgItemMessage(hwnd,100,EM_LIMITTEXT,MAX_PATH-1,0);
      SetDlgItemText(hwnd,100,pszName);

      CenterDlgInParent(hwnd);
      return TRUE;


    case WM_COMMAND:

      switch(LOWORD(wParam))
      {

        case 100:
            EnableWindow(GetDlgItem(hwnd,IDOK),
              GetWindowTextLength(GetDlgItem(hwnd,100)));
          break;


        case IDOK:
          pszName = (LPSTR)GetWindowLong(hwnd,DWL_USER);
          GetDlgItemText(hwnd,100,pszName,
            MAX_PATH-1);
          EndDialog(hwnd,IDOK);
          break;


        case IDCANCEL:
          EndDialog(hwnd,IDCANCEL);
          break;

      }

      return TRUE;

  }

  return FALSE;

}


//=============================================================================
//
//  AddToFavDlg()
//
BOOL AddToFavDlg(HWND hwnd,LPCSTR lpszName,LPCSTR lpszTarget)
{

  int iResult;

  char pszName[MAX_PATH];
  lstrcpy(pszName,lpszName);

  iResult = DialogBoxParam(
              g_hInstance,
              MAKEINTRESOURCE(IDD_ADDTOFAV),
              hwnd,
              AddToFavDlgProc,(LPARAM)pszName);

  if (iResult == IDOK)
  {
    if (!PathCreateFavLnk(pszName,lpszTarget,tchFavoritesDir)) {
      MsgBox(MBWARN,IDS_FAV_FAILURE);
      return FALSE;
    }

    else {
      MsgBox(MBINFO,IDS_FAV_SUCCESS);
      return TRUE;
    }
  }

  else
    return FALSE;

}


//=============================================================================
//
//  FileMRUDlgProc()
//
//
extern LPMRULIST pFileMRU;
extern BOOL bSaveRecentFiles;
extern int  cxFileMRUDlg;
extern int  cyFileMRUDlg;
extern int  flagNoFadeHidden;

typedef struct tagIconThreadInfo
{
  HWND hwnd;                 // HWND of ListView Control
  HANDLE hExitThread;        // Flag is set when Icon Thread should terminate
  HANDLE hTerminatedThread;  // Flag is set when Icon Thread has terminated

} ICONTHREADINFO, *LPICONTHREADINFO;

DWORD WINAPI FileMRUIconThread(LPVOID lpParam) {

  HWND hwnd;
  LPICONTHREADINFO lpit;
  LV_ITEM lvi;
  char tch[MAX_PATH];
  SHFILEINFO shfi;
  DWORD dwFlags = SHGFI_SMALLICON | SHGFI_SYSICONINDEX | SHGFI_ATTRIBUTES | SHGFI_ATTR_SPECIFIED;
  DWORD dwAttr  = 0;
  int iItem = 0;
  int iMaxItem;

  lpit = (LPICONTHREADINFO)lpParam;
  ResetEvent(lpit->hTerminatedThread);

  hwnd = lpit->hwnd;
  iMaxItem = ListView_GetItemCount(hwnd);

  CoInitialize(NULL);

  ZeroMemory(&lvi,sizeof(LV_ITEM));

  while (iItem < iMaxItem && WaitForSingleObject(lpit->hExitThread,0) != WAIT_OBJECT_0) {

    lvi.mask = LVIF_TEXT;
    lvi.pszText = tch;
    lvi.cchTextMax = COUNTOF(tch);
    lvi.iItem = iItem;
    if (ListView_GetItem(hwnd,&lvi)) {

      if (!PathFileExists(tch)) {
        dwFlags |= SHGFI_USEFILEATTRIBUTES;
        dwAttr = FILE_ATTRIBUTE_NORMAL;
        shfi.dwAttributes = 0;
        SHGetFileInfo(PathFindFileName(tch),dwAttr,&shfi,sizeof(SHFILEINFO),dwFlags);
      }

      else {
        shfi.dwAttributes = SFGAO_LINK | SFGAO_SHARE;
        SHGetFileInfo(tch,dwAttr,&shfi,sizeof(SHFILEINFO),dwFlags);
      }

      lvi.mask = LVIF_IMAGE;
      lvi.iImage = shfi.iIcon;
      lvi.stateMask = 0;
      lvi.state = 0;

      if (shfi.dwAttributes & SFGAO_LINK) {
        lvi.mask |= LVIF_STATE;
        lvi.stateMask |= LVIS_OVERLAYMASK;
        lvi.state |= INDEXTOOVERLAYMASK(2);
      }

      if (shfi.dwAttributes & SFGAO_SHARE) {
        lvi.mask |= LVIF_STATE;
        lvi.stateMask |= LVIS_OVERLAYMASK;
        lvi.state |= INDEXTOOVERLAYMASK(1);
      }

      dwAttr = GetFileAttributes(tch);

      if (!flagNoFadeHidden &&
          dwAttr != INVALID_FILE_ATTRIBUTES &&
          dwAttr & (FILE_ATTRIBUTE_HIDDEN | FILE_ATTRIBUTE_SYSTEM)) {
        lvi.mask |= LVIF_STATE;
        lvi.stateMask |= LVIS_CUT;
        lvi.state |= LVIS_CUT;
      }

      lvi.iSubItem = 0;
      ListView_SetItem(hwnd,&lvi);
    }
    iItem++;
  }

  CoUninitialize();

  SetEvent(lpit->hTerminatedThread);
  ExitThread(0);
  return(0);
}

BOOL CALLBACK FileMRUDlgProc(HWND hwnd,UINT umsg,WPARAM wParam,LPARAM lParam)
{

  static int cxClient;
  static int cyClient;
  static int mmiPtMaxY;
  static int mmiPtMinX;

  switch(umsg)
  {

    case WM_INITDIALOG:
      {
        RECT rc;
        char tch[MAX_PATH];
        int cGrip;
        SHFILEINFO shfi;
        LVCOLUMN lvc = { LVCF_FMT|LVCF_TEXT, LVCFMT_LEFT, 0, "", -1, 0, 0, 0 };

        LPICONTHREADINFO lpit = (LPVOID)GlobalAlloc(GPTR,sizeof(ICONTHREADINFO));
        SetProp(hwnd,"it",(HANDLE)lpit);
        lpit->hwnd = GetDlgItem(hwnd,IDC_FILEMRU);
        lpit->hExitThread = CreateEvent(NULL,TRUE,FALSE,NULL);
        lpit->hTerminatedThread = CreateEvent(NULL,TRUE,TRUE,NULL);

        SetWindowLong(hwnd,DWL_USER,lParam);

        GetClientRect(hwnd,&rc);
        cxClient = rc.right - rc.left;
        cyClient = rc.bottom - rc.top;

        GetWindowRect(hwnd,&rc);
        mmiPtMaxY = rc.bottom-rc.top;
        mmiPtMinX = rc.right-rc.left;

        if (cxFileMRUDlg < (rc.right-rc.left))
          cxFileMRUDlg = rc.right-rc.left;
        if (cyFileMRUDlg < (rc.bottom-rc.top))
          cyFileMRUDlg = rc.bottom-rc.top;
        SetWindowPos(hwnd,NULL,0,0,cxFileMRUDlg,cyFileMRUDlg,SWP_NOZORDER|SWP_NOMOVE);

        SetWindowLong(hwnd,GWL_STYLE,GetWindowLong(hwnd,GWL_STYLE)|WS_THICKFRAME);
        SetWindowPos(hwnd,NULL,0,0,0,0,SWP_NOZORDER|SWP_NOMOVE|SWP_NOSIZE|SWP_FRAMECHANGED);

        GetMenuString(GetSystemMenu(GetParent(hwnd),FALSE),SC_SIZE,tch,COUNTOF(tch),MF_BYCOMMAND);
        InsertMenu(GetSystemMenu(hwnd,FALSE),SC_CLOSE,MF_BYCOMMAND|MF_STRING|MF_ENABLED,SC_SIZE,tch);
        InsertMenu(GetSystemMenu(hwnd,FALSE),SC_CLOSE,MF_BYCOMMAND|MF_SEPARATOR,0,NULL);

        SetWindowLong(GetDlgItem(hwnd,IDC_RESIZEGRIP),GWL_STYLE,
          GetWindowLong(GetDlgItem(hwnd,IDC_RESIZEGRIP),GWL_STYLE)|SBS_SIZEGRIP|WS_CLIPSIBLINGS);

        cGrip = GetSystemMetrics(SM_CXHTHUMB);
        SetWindowPos(GetDlgItem(hwnd,IDC_RESIZEGRIP),NULL,cxClient-cGrip,
                     cyClient-cGrip,cGrip,cGrip,SWP_NOZORDER);

        ListView_SetImageList(GetDlgItem(hwnd,IDC_FILEMRU),
          (HIMAGELIST)SHGetFileInfo("C:\\",0,&shfi,sizeof(SHFILEINFO),SHGFI_SMALLICON | SHGFI_SYSICONINDEX),
          LVSIL_SMALL);

        ListView_SetImageList(GetDlgItem(hwnd,IDC_FILEMRU),
          (HIMAGELIST)SHGetFileInfo("C:\\",0,&shfi,sizeof(SHFILEINFO),SHGFI_LARGEICON | SHGFI_SYSICONINDEX),
          LVSIL_NORMAL);

        ListView_SetExtendedListViewStyle(GetDlgItem(hwnd,IDC_FILEMRU),/*LVS_EX_FULLROWSELECT|*//*LVS_EX_DOUBLEBUFFER*/0x00010000|LVS_EX_LABELTIP);
        ListView_InsertColumn(GetDlgItem(hwnd,IDC_FILEMRU),0,&lvc);

        // Update view
        SendMessage(hwnd,WM_COMMAND,MAKELONG(0x00A0,1),0);

        if (bSaveRecentFiles)
          CheckDlgButton(hwnd,IDC_SAVEMRU,BST_CHECKED);

        CenterDlgInParent(hwnd);
      }
      return TRUE;


    case WM_DESTROY:
      {
        RECT rc;

        LPICONTHREADINFO lpit = (LPVOID)GetProp(hwnd,"it");
        SetEvent(lpit->hExitThread);
        while (WaitForSingleObject(lpit->hTerminatedThread,0) != WAIT_OBJECT_0) {
          MSG msg;
          if (PeekMessage(&msg,NULL,0,0,PM_REMOVE)) {
            TranslateMessage(&msg);
            DispatchMessage(&msg);
          }
        }
        CloseHandle(lpit->hExitThread);
        CloseHandle(lpit->hTerminatedThread);
        RemoveProp(hwnd,"it");
        GlobalFree(lpit);

        GetWindowRect(hwnd,&rc);
        cxFileMRUDlg = rc.right-rc.left;
        cyFileMRUDlg = rc.bottom-rc.top;

        bSaveRecentFiles = (IsDlgButtonChecked(hwnd,IDC_SAVEMRU)) ? 1 : 0;
      }
      return FALSE;


    case WM_SIZE:
      {
        RECT rc;

        int dxClient = LOWORD(lParam) - cxClient;
        int dyClient = HIWORD(lParam) - cyClient;
        cxClient = LOWORD(lParam);
        cyClient = HIWORD(lParam);

        GetWindowRect(GetDlgItem(hwnd,IDC_RESIZEGRIP),&rc);
        MapWindowPoints(NULL,hwnd,(LPPOINT)&rc,2);
        SetWindowPos(GetDlgItem(hwnd,IDC_RESIZEGRIP),NULL,rc.left+dxClient,rc.top+dyClient,0,0,SWP_NOZORDER|SWP_NOSIZE);
        InvalidateRect(GetDlgItem(hwnd,IDC_RESIZEGRIP),NULL,TRUE);

        GetWindowRect(GetDlgItem(hwnd,IDOK),&rc);
        MapWindowPoints(NULL,hwnd,(LPPOINT)&rc,2);
        SetWindowPos(GetDlgItem(hwnd,IDOK),NULL,rc.left+dxClient,rc.top+dyClient,0,0,SWP_NOZORDER|SWP_NOSIZE);
        InvalidateRect(GetDlgItem(hwnd,IDOK),NULL,TRUE);

        GetWindowRect(GetDlgItem(hwnd,IDCANCEL),&rc);
        MapWindowPoints(NULL,hwnd,(LPPOINT)&rc,2);
        SetWindowPos(GetDlgItem(hwnd,IDCANCEL),NULL,rc.left+dxClient,rc.top+dyClient,0,0,SWP_NOZORDER|SWP_NOSIZE);
        InvalidateRect(GetDlgItem(hwnd,IDCANCEL),NULL,TRUE);