riched20: Implement ITextRange::GetChar.

dlls/riched20/richole.c

@@ -567,14 +567,29 @@ static HRESULT WINAPI ITextRange_fnSetText(ITextRange *me, BSTR bstr)
     return E_NOTIMPL;
 }
 
+static HRESULT range_GetChar(ME_TextEditor *editor, ME_Cursor *cursor, LONG *pch)
+{
+    WCHAR wch[2];
+
+    ME_GetTextW(editor, wch, 1, cursor, 1, FALSE, cursor->pRun->next->type == diTextEnd);
+    *pch = wch[0];
+
+    return S_OK;
+}
+
 static HRESULT WINAPI ITextRange_fnGetChar(ITextRange *me, LONG *pch)
 {
     ITextRangeImpl *This = impl_from_ITextRange(me);
+    ME_Cursor cursor;
+
     if (!This->reOle)
         return CO_E_RELEASED;
+    TRACE("%p\n", pch);
+    if (!pch)
+        return E_INVALIDARG;
 
-    FIXME("not implemented %p\n", This);
-    return E_NOTIMPL;
+    ME_CursorFromCharOfs(This->reOle->editor, This->start, &cursor);
+    return range_GetChar(This->reOle->editor, &cursor, pch);
 }
 
 static HRESULT WINAPI ITextRange_fnSetChar(ITextRange *me, LONG ch)

dlls/riched20/tests/richole.c

@@ -518,6 +518,71 @@ static void test_ITextDocument_Range(void)
   ITextRange_Release(txtRge);
 }
 
+static void test_ITextRange_GetChar(void)
+{
+  HWND w;
+  IRichEditOle *reOle = NULL;
+  ITextDocument *txtDoc = NULL;
+  ITextRange *txtRge = NULL;
+  HRESULT hres;
+  LONG pch = 0xdeadbeef;
+  int first, lim;
+  static const CHAR test_text1[] = "TestSomeText";
+
+  first = 0, lim = 4;
+  create_interfaces(&w, &reOle, &txtDoc, NULL);
+  SendMessageA(w, WM_SETTEXT, 0, (LPARAM)test_text1);
+  ITextDocument_Range(txtDoc, first, lim, &txtRge);
+  pch = 0xdeadbeef;
+  hres = ITextRange_GetChar(txtRge, &pch);
+  ok(hres == S_OK, "ITextRange_GetChar\n");
+  ok(pch == 'T', "got wrong char: %c\n", pch);
+  ITextRange_Release(txtRge);
+  release_interfaces(&w, &reOle, &txtDoc, NULL);
+
+  first = 0, lim = 0;
+  create_interfaces(&w, &reOle, &txtDoc, NULL);
+  SendMessageA(w, WM_SETTEXT, 0, (LPARAM)test_text1);
+  ITextDocument_Range(txtDoc, first, lim, &txtRge);
+  pch = 0xdeadbeef;
+  hres = ITextRange_GetChar(txtRge, &pch);
+  ok(hres == S_OK, "ITextRange_GetChar\n");
+  ok(pch == 'T', "got wrong char: %c\n", pch);
+  ITextRange_Release(txtRge);
+  release_interfaces(&w, &reOle, &txtDoc, NULL);
+
+  first = 12, lim = 12;
+  create_interfaces(&w, &reOle, &txtDoc, NULL);
+  SendMessageA(w, WM_SETTEXT, 0, (LPARAM)test_text1);
+  ITextDocument_Range(txtDoc, first, lim, &txtRge);
+  pch = 0xdeadbeef;
+  hres = ITextRange_GetChar(txtRge, &pch);
+  ok(hres == S_OK, "ITextRange_GetChar\n");
+  ok(pch == '\r', "got wrong char: %c\n", pch);
+  ITextRange_Release(txtRge);
+  release_interfaces(&w, &reOle, &txtDoc, NULL);
+
+  first = 13, lim = 13;
+  create_interfaces(&w, &reOle, &txtDoc, NULL);
+  SendMessageA(w, WM_SETTEXT, 0, (LPARAM)test_text1);
+  ITextDocument_Range(txtDoc, first, lim, &txtRge);
+  pch = 0xdeadbeef;
+  hres = ITextRange_GetChar(txtRge, &pch);
+  ok(hres == S_OK, "ITextRange_GetChar\n");
+  ok(pch == '\r', "got wrong char: %c\n", pch);
+  ITextRange_Release(txtRge);
+  release_interfaces(&w, &reOle, &txtDoc, NULL);
+
+  create_interfaces(&w, &reOle, &txtDoc, NULL);
+  SendMessageA(w, WM_SETTEXT, 0, (LPARAM)test_text1);
+  first = 12, lim = 12;
+  ITextDocument_Range(txtDoc, first, lim, &txtRge);
+  hres = ITextRange_GetChar(txtRge, NULL);
+  ok(hres == E_INVALIDARG, "ITextRange_GetChar\n");
+  ITextRange_Release(txtRge);
+  release_interfaces(&w, &reOle, &txtDoc, NULL);
+}
+
 START_TEST(richole)
 {
   /* Must explicitly LoadLibrary(). The test has no references to functions in
@@ -529,4 +594,5 @@ START_TEST(richole)
   test_ITextDocument_Open();
   test_ITextSelection_GetText();
   test_ITextDocument_Range();
+  test_ITextRange_GetChar();
 }