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richedit: Prevented cursor flicker while moving over selection bar. 

When the cursor is moved over the selection bar, without holding any
mouse buttons down, the cursor would be repeatably set between the
normal cursor, set by DefWindowProc for the WM_SETCURSOR message, and
the reversed cursor, set by ME_MouseMove.
This commit is contained in:
Dylan Smith 2008-07-09 09:36:00 -04:00 committed by Alexandre Julliard
parent 140d4edb5b
commit d293b3fc98
1 changed files with 13 additions and 5 deletions
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18
dlls/riched20/editor.c
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@ -1666,10 +1666,15 @@ static int ME_CalculateClickCount(HWND hWnd, UINT msg, WPARAM wParam,
return clickNum;
}
static BOOL ME_SetCursor(ME_TextEditor *editor, int x)
static BOOL ME_SetCursor(ME_TextEditor *editor)
{
POINT pt;
DWORD messagePos = GetMessagePos();
pt.x = (short)LOWORD(messagePos);
pt.y = (short)HIWORD(messagePos);
ScreenToClient(editor->hWnd, &pt);
if ((GetWindowLongW(editor->hWnd, GWL_STYLE) & ES_SELECTIONBAR) &&
(x < editor->selofs ||
(pt.x < editor->selofs ||
(editor->nSelectionType == stLine && GetCapture() == editor->hWnd)))
{
SetCursor(hLeft);
@ -3033,6 +3038,11 @@ static LRESULT RichEditWndProc_common(HWND hWnd, UINT msg, WPARAM wParam,
ME_DestroyEditor(editor);
SetWindowLongPtrW(hWnd, 0, 0);
return 0;
case WM_SETCURSOR:
{
if (!ME_SetCursor(editor)) goto do_default;
return TRUE;
}
case WM_LBUTTONDBLCLK:
case WM_LBUTTONDOWN:
{
@ -3045,7 +3055,6 @@ static LRESULT RichEditWndProc_common(HWND hWnd, UINT msg, WPARAM wParam,
ME_CalculateClickCount(hWnd, msg, wParam, lParam));
SetCapture(hWnd);
ME_LinkNotify(editor,msg,wParam,lParam);
if (!ME_SetCursor(editor, LOWORD(lParam))) goto do_default;
break;
}
case WM_MOUSEMOVE:
@ -3055,7 +3064,6 @@ static LRESULT RichEditWndProc_common(HWND hWnd, UINT msg, WPARAM wParam,
if (GetCapture() == hWnd)
ME_MouseMove(editor, (short)LOWORD(lParam), (short)HIWORD(lParam));
ME_LinkNotify(editor,msg,wParam,lParam);
if (!ME_SetCursor(editor, LOWORD(lParam))) goto do_default;
break;
case WM_LBUTTONUP:
if (GetCapture() == hWnd)
@ -3068,7 +3076,7 @@ static LRESULT RichEditWndProc_common(HWND hWnd, UINT msg, WPARAM wParam,
else
{
BOOL ret;
ret = ME_SetCursor(editor, LOWORD(lParam));
ret = ME_SetCursor(editor);
ME_LinkNotify(editor,msg,wParam,lParam);
if (!ret) goto do_default;
}