public Point computeSize(int wHint, int hHint, boolean changed) { checkWidget(); if (wHint != SWT.DEFAULT && wHint < 0) wHint = 0; if (hHint != SWT.DEFAULT && hHint < 0) hHint = 0; int width, height; if (OS.COMCTL32_MAJOR >= 6) { int /*long*/ hDC = OS.GetDC(handle); int /*long*/ newFont = OS.SendMessage(handle, OS.WM_GETFONT, 0, 0); int /*long*/ oldFont = OS.SelectObject(hDC, newFont); if (text.length() > 0) { TCHAR buffer = new TCHAR(getCodePage(), parse(text), false); RECT rect = new RECT(); int flags = OS.DT_CALCRECT | OS.DT_NOPREFIX; if (wHint != SWT.DEFAULT) { flags |= OS.DT_WORDBREAK; rect.right = wHint; } OS.DrawText(hDC, buffer, buffer.length(), rect, flags); width = rect.right - rect.left; height = rect.bottom; } else { TEXTMETRIC lptm = OS.IsUnicode ? (TEXTMETRIC) new TEXTMETRICW() : new TEXTMETRICA(); OS.GetTextMetrics(hDC, lptm); width = 0; height = lptm.tmHeight; } if (newFont != 0) OS.SelectObject(hDC, oldFont); OS.ReleaseDC(handle, hDC); } else { int layoutWidth = layout.getWidth(); // TEMPORARY CODE if (wHint == 0) { layout.setWidth(1); Rectangle rect = layout.getBounds(); width = 0; height = rect.height; } else { layout.setWidth(wHint); Rectangle rect = layout.getBounds(); width = rect.width; height = rect.height; } layout.setWidth(layoutWidth); } if (wHint != SWT.DEFAULT) width = wHint; if (hHint != SWT.DEFAULT) height = hHint; int border = getBorderWidth(); width += border * 2; height += border * 2; return new Point(width, height); }
LRESULT WM_SIZE(int /*long*/ wParam, int /*long*/ lParam) { LRESULT result = super.WM_SIZE(wParam, lParam); if (OS.COMCTL32_MAJOR < 6) { RECT rect = new RECT(); OS.GetClientRect(handle, rect); layout.setWidth(rect.right > 0 ? rect.right : -1); redraw(); } return result; }