+ RECT WindowRect;
+ ULONG Style = GetWindowLong(hWnd, GWL_STYLE);
+ ULONG ExStyle = GetWindowLong(hWnd, GWL_EXSTYLE);
+
+ GetWindowRect(hWnd, &WindowRect);
+
+ if (!PtInRect(&WindowRect, Point))
+ {
+ return(HTNOWHERE);
+ }
+ if (Style & WS_MINIMIZE)
+ {
+ return(HTCAPTION);
+ }
+ if (UserHasThickFrameStyle(Style, ExStyle))
+ {
+ InflateRect(&WindowRect, -GetSystemMetrics(SM_CXFRAME),
+ -GetSystemMetrics(SM_CYFRAME));
+ if (!PtInRect(&WindowRect, Point))
+ {
+ if (Point.y < WindowRect.top)
+ {
+ if (Point.x < (WindowRect.left + GetSystemMetrics(SM_CXSIZE)))
+ {
+ return(HTTOPLEFT);
+ }
+ if (Point.x >= (WindowRect.right - GetSystemMetrics(SM_CXSIZE)))
+ {
+ return(HTTOPRIGHT);
+ }
+ return(HTTOP);
+ }
+ if (Point.y >= WindowRect.bottom)
+ {
+ if (Point.x < (WindowRect.left + GetSystemMetrics(SM_CXSIZE)))
+ {
+ return(HTBOTTOMLEFT);
+ }
+ if (Point.x >= (WindowRect.right - GetSystemMetrics(SM_CXSIZE)))
+ {
+ return(HTBOTTOMRIGHT);
+ }
+ return(HTBOTTOM);
+ }
+ if (Point.x < WindowRect.left)
+ {
+ if (Point.y < (WindowRect.top + GetSystemMetrics(SM_CYSIZE)))
+ {
+ return(HTTOPLEFT);
+ }
+ if (Point.y >= (WindowRect.bottom - GetSystemMetrics(SM_CYSIZE)))
+ {
+ return(HTBOTTOMLEFT);
+ }
+ return(HTLEFT);
+ }
+ if (Point.x >= WindowRect.right)
+ {
+ if (Point.y < (WindowRect.top + GetSystemMetrics(SM_CYSIZE)))
+ {
+ return(HTTOPRIGHT);
+ }
+ if (Point.y >= (WindowRect.bottom - GetSystemMetrics(SM_CYSIZE)))
+ {
+ return(HTBOTTOMRIGHT);
+ }
+ return(HTRIGHT);
+ }
+ }
+ }
+ else
+ {
+ if (UserHasDlgFrameStyle(Style, ExStyle))
+ {
+ InflateRect(&WindowRect, -GetSystemMetrics(SM_CXDLGFRAME),
+ -GetSystemMetrics(SM_CYDLGFRAME));
+ }
+ else if (UserHasThinFrameStyle(Style, ExStyle))
+ {
+ InflateRect(&WindowRect, -GetSystemMetrics(SM_CXBORDER),
+ -GetSystemMetrics(SM_CYBORDER));
+ }
+ if (!PtInRect(&WindowRect, Point))
+ {
+ return(HTBORDER);
+ }
+ }
+
+ if ((Style & WS_CAPTION) == WS_CAPTION)
+ {
+ WindowRect.top += GetSystemMetrics(SM_CYCAPTION) -
+ GetSystemMetrics(SM_CYBORDER);
+ if (!PtInRect(&WindowRect, Point))
+ {
+ if ((Style & WS_SYSMENU) && !(ExStyle & WS_EX_TOOLWINDOW))
+ {
+ WindowRect.left += GetSystemMetrics(SM_CXSIZE);
+ }
+ if (Point.x <= WindowRect.left)
+ {
+ return(HTSYSMENU);
+ }
+
+ if (Style & WS_MAXIMIZEBOX)
+ {
+ WindowRect.right -= GetSystemMetrics(SM_CXSIZE) + 1;
+ }
+ if (Point.x >= WindowRect.right)
+ {
+ return(HTMAXBUTTON);
+ }
+
+ if (Style & WS_MINIMIZEBOX)
+ {
+ WindowRect.right -= GetSystemMetrics(SM_CXSIZE) + 1;
+ }
+ if (Point.x >= WindowRect.right)
+ {
+ return(HTMINBUTTON);
+ }
+ return(HTCAPTION);
+ }
+ }
+
+ ScreenToClient(hWnd, &Point);
+ GetClientRect(hWnd, &WindowRect);
+
+ if (PtInRect(&WindowRect, Point))
+ {
+ return(HTCLIENT);
+ }
+
+ if (Style & WS_VSCROLL)
+ {
+ WindowRect.right += GetSystemMetrics(SM_CXVSCROLL);
+ if (PtInRect(&WindowRect, Point))
+ {
+ return(HTVSCROLL);
+ }
+ }
+
+ if (Style & WS_HSCROLL)
+ {
+ WindowRect.bottom += GetSystemMetrics(SM_CYHSCROLL);
+ if (PtInRect(&WindowRect, Point))
+ {
+ if ((Style & WS_VSCROLL) &&
+ (Point.x >= (WindowRect.right - GetSystemMetrics(SM_CXVSCROLL))))
+ {
+ return(HTSIZE);
+ }
+ return(HTHSCROLL);
+ }
+ }
+
+ if (UserHasMenu(hWnd, Style))
+ {
+ if (Point.y < 0 && Point.x >= 0 && Point.x <= WindowRect.right)
+ {
+ return(HTMENU);
+ }
+ }
+
+ return(HTNOWHERE);
+}
+
+VOID
+DefWndTrackMinMaxBox(HWND hWnd, WPARAM wParam)
+{
+ HDC hDC = GetWindowDC(hWnd);
+ BOOL Pressed = TRUE;
+ MSG Msg;
+
+ SetCapture(hWnd);
+
+ if (wParam == HTMINBUTTON)
+ {
+ UserDrawMinButton(hWnd, hDC, TRUE);
+ }
+ else
+ {
+ UserDrawMaxButton(hWnd, hDC, TRUE);
+ }
+
+ for(;;)
+ {
+ BOOL OldState = Pressed;
+
+ GetMessageA(hWnd, &Msg, 0, 0);
+ if (Msg.message == WM_LBUTTONUP)
+ {
+ break;
+ }
+ if (Msg.message != WM_MOUSEMOVE)
+ {
+ continue;
+ }
+
+ Pressed = DefWndHitTestNC(hWnd, Msg.pt) == wParam;
+ if (Pressed != OldState)
+ {
+ if (wParam == HTMINBUTTON)
+ {
+ UserDrawMinButton(hWnd, hDC, Pressed);
+ }
+ else
+ {
+ UserDrawMaxButton(hWnd, hDC, Pressed);
+ }
+ }
+ }
+
+ if (Pressed)
+ {
+ if (wParam == HTMINBUTTON)
+ {
+ UserDrawMinButton(hWnd, hDC, FALSE);
+ }
+ else
+ {
+ UserDrawMaxButton(hWnd, hDC, FALSE);
+ }
+ }
+
+ ReleaseCapture();
+ ReleaseDC(hWnd, hDC);
+
+ if (!Pressed)
+ {
+ return;
+ }
+
+ if (wParam == HTMINBUTTON)
+ {
+ SendMessageA(hWnd, WM_SYSCOMMAND, SC_MINIMIZE,
+ MAKELONG(Msg.pt.x, Msg.pt.y));
+ }
+ else
+ {
+ SendMessageA(hWnd, WM_SYSCOMMAND,
+ IsZoomed(hWnd) ? SC_RESTORE : SC_MAXIMIZE,
+ MAKELONG(Msg.pt.x, Msg.pt.y));
+ }
+}
+
+VOID
+DefWndDrawSysButton(HWND hWnd, HDC hDC, BOOL Down)
+{
+ RECT Rect;
+ HDC hDcMem;
+ HBITMAP hSavedBitmap;
+
+ UserGetInsideRectNC(hWnd, &Rect);
+ hDcMem = CreateCompatibleDC(hDC);
+ hSavedBitmap = SelectObject(hDcMem, hbitmapClose);
+ BitBlt(hDC, Rect.left, Rect.top, GetSystemMetrics(SM_CXSIZE),
+ GetSystemMetrics(SM_CYSIZE), hDcMem,
+ (GetWindowLong(hWnd, GWL_STYLE) & WS_CHILD) ?
+ GetSystemMetrics(SM_CXSIZE): 0, 0, Down ? NOTSRCCOPY : SRCCOPY);
+ SelectObject(hDcMem, hSavedBitmap);
+ DeleteDC(hDcMem);
projects / reactos.git / commitdiff