reactos/base/applications/rapps/crichedit.h

   1 #pragma once
   2
   3 class CRichEdit :
   4     public CWindow
   5 {
   6 public:
   7     VOID SetRangeFormatting(LONG Start, LONG End, DWORD dwEffects)
   8     {
   9         CHARFORMAT2 CharFormat;
  10
  11         SendMessageW(EM_SETSEL, Start, End);
  12
  13         ZeroMemory(&CharFormat, sizeof(CharFormat));
  14
  15         CharFormat.cbSize = sizeof(CharFormat);
  16         CharFormat.dwMask = dwEffects;
  17         CharFormat.dwEffects = dwEffects;
  18
  19         SendMessageW(EM_SETCHARFORMAT, SCF_WORD | SCF_SELECTION, (LPARAM) &CharFormat);
  20
  21         SendMessageW(EM_SETSEL, End, End + 1);
  22     }
  23
  24     LONG GetTextLen(VOID)
  25     {
  26         GETTEXTLENGTHEX TxtLenStruct;
  27
  28         TxtLenStruct.flags = GTL_NUMCHARS;
  29         TxtLenStruct.codepage = 1200;
  30
  31         return (LONG) SendMessageW(EM_GETTEXTLENGTHEX, (WPARAM) &TxtLenStruct, 0);
  32     }
  33
  34     /*
  35     * Insert text (without cleaning old text)
  36     * Supported effects:
  37     *   - CFM_BOLD
  38     *   - CFM_ITALIC
  39     *   - CFM_UNDERLINE
  40     *   - CFM_LINK
  41     */
  42     VOID InsertText(LPCWSTR lpszText, DWORD dwEffects)
  43     {
  44         SETTEXTEX SetText;
  45         LONG Len = GetTextLen();
  46
  47         /* Insert new text */
  48         SetText.flags = ST_SELECTION;
  49         SetText.codepage = 1200;
  50
  51         SendMessageW(EM_SETTEXTEX, (WPARAM) &SetText, (LPARAM) lpszText);
  52
  53         SetRangeFormatting(Len, Len + wcslen(lpszText),
  54             (dwEffects == CFM_LINK) ? (PathIsURLW(lpszText) ? dwEffects : 0) : dwEffects);
  55     }
  56
  57     /*
  58     * Clear old text and add new
  59     */
  60     VOID SetText(LPCWSTR lpszText, DWORD dwEffects)
  61     {
  62         SetWindowTextW(L"");
  63         InsertText(lpszText, dwEffects);
  64     }
  65
  66     HWND Create(HWND hwndParent)
  67     {
  68         // TODO: FreeLibrary when the window is destroyed
  69         LoadLibraryW(L"riched20.dll");
  70
  71         m_hWnd = CreateWindowExW(0,
  72             L"RichEdit20W",
  73             NULL,
  74             WS_CHILD | WS_VISIBLE | ES_MULTILINE |
  75             ES_LEFT | ES_READONLY,
  76             205, 28, 465, 100,
  77             hwndParent,
  78             NULL,
  79             _AtlBaseModule.GetModuleInstance(),
  80             NULL);
  81
  82         if (m_hWnd)
  83         {
  84             SendMessageW(EM_SETBKGNDCOLOR, 0, GetSysColor(COLOR_BTNFACE));
  85             SendMessageW(WM_SETFONT, (WPARAM) GetStockObject(DEFAULT_GUI_FONT), 0);
  86             SendMessageW(EM_SETEVENTMASK, 0, ENM_LINK | ENM_MOUSEEVENTS);
  87             SendMessageW(EM_SHOWSCROLLBAR, SB_VERT, TRUE);
  88         }
  89
  90         return m_hWnd;
  91     }
  92
  93 public:
  94     virtual VOID OnLink(ENLINK *Link)
  95     {
  96     }
  97
  98 };