reactos/base/applications/rapps/crichedit.h

   1 #pragma once
   2
   3 class CRichEdit :
   4     public CWindow
   5 {
   6     HMODULE LoadedLibrary;
   7     inline VOID GenericInsertText(LPCWSTR lpszText, LONG InsertedTextLen, DWORD dwEffects)
   8     {
   9         SETTEXTEX SetText;
  10         LONG Len = GetTextLen();
  11
  12         if (InsertedTextLen)
  13         {
  14             /* Insert new text */
  15             SetText.flags = ST_SELECTION;
  16             SetText.codepage = 1200;
  17
  18             SendMessageW(EM_SETTEXTEX, (WPARAM) &SetText, (LPARAM) lpszText);
  19
  20             SetRangeFormatting(Len, Len + InsertedTextLen,
  21                 (dwEffects == CFM_LINK) ? (PathIsURLW(lpszText) ? dwEffects : 0) : dwEffects);
  22         }
  23     }
  24
  25 public:
  26     VOID SetRangeFormatting(LONG Start, LONG End, DWORD dwEffects)
  27     {
  28         CHARFORMAT2W CharFormat;
  29
  30         SendMessageW(EM_SETSEL, Start, End);
  31
  32         ZeroMemory(&CharFormat, sizeof(CharFormat));
  33
  34         CharFormat.cbSize = sizeof(CharFormat);
  35         CharFormat.dwMask = dwEffects;
  36         CharFormat.dwEffects = dwEffects;
  37
  38         SendMessageW(EM_SETCHARFORMAT, SCF_WORD | SCF_SELECTION, (LPARAM) &CharFormat);
  39
  40         SendMessageW(EM_SETSEL, End, End + 1);
  41     }
  42
  43     LONG GetTextLen(VOID)
  44     {
  45         GETTEXTLENGTHEX TxtLenStruct;
  46
  47         TxtLenStruct.flags = GTL_NUMCHARS;
  48         TxtLenStruct.codepage = 1200;
  49
  50         return (LONG) SendMessageW(EM_GETTEXTLENGTHEX, (WPARAM) &TxtLenStruct, 0);
  51     }
  52
  53     /*
  54     * Insert text (without cleaning old text)
  55     * Supported effects:
  56     *   - CFM_BOLD
  57     *   - CFM_ITALIC
  58     *   - CFM_UNDERLINE
  59     *   - CFM_LINK
  60     */
  61     VOID InsertText(LPCWSTR lpszText, DWORD dwEffects)
  62     {
  63         GenericInsertText(lpszText, wcslen(lpszText), dwEffects);
  64     }
  65
  66     VOID InsertText(const ATL::CStringW& szText, DWORD dwEffects)
  67     {
  68         GenericInsertText(szText.GetString(), szText.GetLength(), dwEffects);
  69     }
  70     /*
  71     * Clear old text and add new
  72     */
  73     VOID SetText(LPCWSTR lpszText, DWORD dwEffects)
  74     {
  75         SetWindowTextW(L"");
  76         InsertText(lpszText, dwEffects);
  77     }
  78
  79     VOID SetText(const ATL::CStringW& szText, DWORD dwEffects)
  80     {
  81         SetText(szText.GetString(), dwEffects);
  82     }
  83
  84     HWND Create(HWND hwndParent)
  85     {
  86         LoadedLibrary = LoadLibraryW(L"riched20.dll");
  87
  88         m_hWnd = CreateWindowExW(0,
  89             L"RichEdit20W",
  90             NULL,
  91             WS_CHILD | WS_VISIBLE | ES_MULTILINE |
  92             ES_LEFT | ES_READONLY,
  93             205, 28, 465, 100,
  94             hwndParent,
  95             NULL,
  96             _AtlBaseModule.GetModuleInstance(),
  97             NULL);
  98
  99         if (m_hWnd)
 100         {
 101             SendMessageW(EM_SETBKGNDCOLOR, 0, GetSysColor(COLOR_BTNFACE));
 102             SendMessageW(WM_SETFONT, (WPARAM) GetStockObject(DEFAULT_GUI_FONT), 0);
 103             SendMessageW(EM_SETEVENTMASK, 0, ENM_LINK | ENM_MOUSEEVENTS);
 104             SendMessageW(EM_SHOWSCROLLBAR, SB_VERT, TRUE);
 105         }
 106
 107         return m_hWnd;
 108     }
 109
 110     virtual VOID OnLink(ENLINK *Link)
 111     {
 112     }
 113
 114     ~CRichEdit()
 115     {
 116         FreeLibrary(LoadedLibrary);
 117     }
 118
 119 };