riched20: Implement ITextRange::ScrollIntoView.

This only implements bStart = tomStart, but that seems like the most
common use case.

Signed-off-by: Adam Buchbinder <abuchbinder@google.com>
Signed-off-by: Huw Davies <huw@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Adam Buchbinder 2016-03-24 14:35:09 -07:00 committed by Alexandre Julliard
parent 512c686be9
commit 20323e3f11
4 changed files with 82 additions and 5 deletions

View File

@ -216,8 +216,7 @@ int ME_SetSelection(ME_TextEditor *editor, int from, int to)
}
static void
ME_GetCursorCoordinates(ME_TextEditor *editor, ME_Cursor *pCursor,
void ME_GetCursorCoordinates(ME_TextEditor *editor, ME_Cursor *pCursor,
int *x, int *y, int *height)
{
ME_DisplayItem *row;

View File

@ -192,6 +192,7 @@ BOOL ME_InternalDeleteText(ME_TextEditor *editor, ME_Cursor *start, int nChars,
int ME_GetTextLength(ME_TextEditor *editor) DECLSPEC_HIDDEN;
int ME_GetTextLengthEx(ME_TextEditor *editor, const GETTEXTLENGTHEX *how) DECLSPEC_HIDDEN;
ME_Style *ME_GetSelectionInsertStyle(ME_TextEditor *editor) DECLSPEC_HIDDEN;
void ME_GetCursorCoordinates(ME_TextEditor *editor, ME_Cursor *pCursor, int *x, int *y, int *height) DECLSPEC_HIDDEN;
/* context.c */
void ME_InitContext(ME_Context *c, ME_TextEditor *editor, HDC hDC) DECLSPEC_HIDDEN;

View File

@ -2428,14 +2428,30 @@ static HRESULT WINAPI ITextRange_fnSetPoint(ITextRange *me, LONG x, LONG y, LONG
static HRESULT WINAPI ITextRange_fnScrollIntoView(ITextRange *me, LONG value)
{
ITextRangeImpl *This = impl_from_ITextRange(me);
ME_TextEditor *editor;
ME_Cursor cursor;
int x, y, height;
FIXME("(%p)->(%d): stub\n", This, value);
TRACE("(%p)->(%d)\n", This, value);
if (!This->child.reole)
return CO_E_RELEASED;
editor = This->child.reole->editor;
switch (value)
{
case tomStart:
ME_CursorFromCharOfs(editor, This->start, &cursor);
ME_GetCursorCoordinates(editor, &cursor, &x, &y, &height);
break;
default:
FIXME("bStart value %d not handled\n", value);
return E_NOTIMPL;
}
ME_ScrollAbs(editor, x, y);
return S_OK;
}
static HRESULT WINAPI ITextRange_fnGetEmbeddedObject(ITextRange *me, IUnknown **ppv)
{

View File

@ -53,6 +53,7 @@ static HWND new_window(LPCSTR lpClassName, DWORD dwStyle, HWND parent)
HWND hwnd = CreateWindowA(lpClassName, NULL,
dwStyle | WS_POPUP | WS_HSCROLL | WS_VSCROLL | WS_VISIBLE,
0, 0, 200, 60, parent, NULL, hmoduleRichEdit, NULL);
ok(hwnd != NULL, "class: %s, error: %d\n", lpClassName, (int) GetLastError());
return hwnd;
}
@ -761,6 +762,65 @@ static void test_ITextRange_GetChar(void)
ITextRange_Release(txtRge);
}
/* Helper function for testing ITextRange_ScrollIntoView */
static void check_range(HWND w, ITextDocument* doc, int first, int lim,
LONG bStart, int expected_nonzero)
{
SCROLLINFO si;
ITextRange *txtRge = NULL;
HRESULT hres;
si.cbSize = sizeof(SCROLLINFO);
si.fMask = SIF_POS | SIF_RANGE;
hres = ITextDocument_Range(doc, first, lim, &txtRge);
ok(hres == S_OK, "got 0x%08x\n", hres);
hres = ITextRange_ScrollIntoView(txtRge, bStart);
ok(hres == S_OK, "got 0x%08x\n", hres);
GetScrollInfo(w, SB_VERT, &si);
if (expected_nonzero) {
ok(si.nPos != 0,
"Scrollbar at 0, should be >0. (TextRange %d-%d, scroll range %d-%d.)\n",
first, lim, si.nMin, si.nMax);
} else {
ok(si.nPos == 0,
"Scrollbar at %d, should be 0. (TextRange %d-%d, scroll range %d-%d.)\n",
si.nPos, first, lim, si.nMin, si.nMax);
}
}
static void test_ITextRange_ScrollIntoView(void)
{
HWND w;
IRichEditOle *reOle = NULL;
ITextDocument *txtDoc = NULL;
ITextRange *txtRge = NULL;
HRESULT hres;
static const CHAR test_text1[] = "1\n2\n3\n4\n5\n6\n7\n8\n9\n10";
create_interfaces(&w, &reOle, &txtDoc, NULL);
SendMessageA(w, WM_SETTEXT, 0, (LPARAM)test_text1);
/* Scroll to the top. */
check_range(w, txtDoc, 0, 1, tomStart, 0);
/* Scroll to the bottom. */
check_range(w, txtDoc, 19, 20, tomStart, 1);
/* Back up to the top. */
check_range(w, txtDoc, 0, 1, tomStart, 0);
/* Large range */
check_range(w, txtDoc, 0, 20, tomStart, 0);
hres = ITextDocument_Range(txtDoc, 0, 0, &txtRge);
ok(hres == S_OK, "got 0x%08x\n", hres);
release_interfaces(&w, &reOle, &txtDoc, NULL);
hres = ITextRange_ScrollIntoView(txtRge, tomStart);
ok(hres == CO_E_RELEASED, "got 0x%08x\n", hres);
ITextRange_Release(txtRge);
}
static void test_ITextSelection_GetChar(void)
{
HWND w;
@ -3352,6 +3412,7 @@ START_TEST(richole)
test_ITextSelection_Collapse();
test_ITextDocument_Range();
test_ITextRange_GetChar();
test_ITextRange_ScrollIntoView();
test_ITextRange_GetStart_GetEnd();
test_ITextRange_GetDuplicate();
test_ITextRange_Collapse();