board/MAI/bios_emulator/scitech/src/common/center.c

   1 /****************************************************************************
   2 *
   3 *                  Display Doctor Windows Interface Code
   4 *
   5 *  ======================================================================
   6 *  |REMOVAL OR MODIFICATION OF THIS HEADER IS STRICTLY PROHIBITED BY LAW|
   7 *  |                                                                    |
   8 *  |This copyrighted computer code is a proprietary trade secret of     |
   9 *  |SciTech Software, Inc., located at 505 Wall Street, Chico, CA 95928 |
  10 *  |USA (www.scitechsoft.com).  ANY UNAUTHORIZED POSSESSION, USE,       |
  11 *  |VIEWING, COPYING, MODIFICATION OR DISSEMINATION OF THIS CODE IS     |
  12 *  |STRICTLY PROHIBITED BY LAW.  Unless you have current, express       |
  13 *  |written authorization from SciTech to possess or use this code, you |
  14 *  |may be subject to civil and/or criminal penalties.                  |
  15 *  |                                                                    |
  16 *  |If you received this code in error or you would like to report      |
  17 *  |improper use, please immediately contact SciTech Software, Inc. at  |
  18 *  |530-894-8400.                                                       |
  19 *  |                                                                    |
  20 *  |REMOVAL OR MODIFICATION OF THIS HEADER IS STRICTLY PROHIBITED BY LAW|
  21 *  ======================================================================
  22 *
  23 * Language:     C++ 3.0
  24 * Environment:  Win16
  25 *
  26 * Description:  Dialog driven configuration program for UniVBE and
  27 *               WinDirect Professional products.
  28 *
  29 ****************************************************************************/
  30
  31 #include "center.h"
  32
  33 /*------------------------------ Implementation ---------------------------*/
  34
  35 void _EXPORT CenterWindow(HWND hWndCenter, HWND parent, BOOL repaint)
  36 /****************************************************************************
  37 *
  38 * Function:     CenterWindow
  39 * Parameters:   hWndCenter  - Window to center
  40 *               parent      - Handle for parent window
  41 *               repaint     - true if window should be re-painted
  42 *
  43 * Description:  Centers the specified window within the bounds of the
  44 *               specified parent window. If the parent window is NULL, then
  45 *               we center it using the Desktop window.
  46 *
  47 ****************************************************************************/
  48 {
  49     HWND    hWndParent = (parent ? parent : GetDesktopWindow());
  50     RECT    RectParent;
  51     RECT    RectCenter;
  52     int     CenterX,CenterY,Height,Width;
  53
  54     GetWindowRect(hWndParent, &RectParent);
  55     GetWindowRect(hWndCenter, &RectCenter);
  56
  57     Width = (RectCenter.right - RectCenter.left);
  58     Height = (RectCenter.bottom - RectCenter.top);
  59     CenterX = ((RectParent.right - RectParent.left) - Width) / 2;
  60     CenterY = ((RectParent.bottom - RectParent.top) - Height) / 2;
  61
  62     if ((CenterX < 0) || (CenterY < 0)) {
  63         /* The Center Window is smaller than the parent window. */
  64         if (hWndParent != GetDesktopWindow()) {
  65             /* If the parent window is not the desktop use the desktop size. */
  66             CenterX = (GetSystemMetrics(SM_CXSCREEN) - Width) / 2;
  67             CenterY = (GetSystemMetrics(SM_CYSCREEN) - Height) / 2;
  68             }
  69         CenterX = (CenterX < 0) ? 0: CenterX;
  70         CenterY = (CenterY < 0) ? 0: CenterY;
  71         }
  72     else {
  73         CenterX += RectParent.left;
  74         CenterY += RectParent.top;
  75         }
  76
  77     /* Copy the values into RectCenter */
  78     RectCenter.left = CenterX;
  79     RectCenter.right = CenterX + Width;
  80     RectCenter.top = CenterY;
  81     RectCenter.bottom = CenterY + Height;
  82
  83     /* Move the window to the new location */
  84     MoveWindow(hWndCenter, RectCenter.left, RectCenter.top,
  85             (RectCenter.right - RectCenter.left),
  86             (RectCenter.bottom - RectCenter.top), repaint);
  87 }
  88
  89 void _EXPORT CenterLogo(HWND hWndLogo, HWND hWndParent, int CenterY)
  90 /****************************************************************************
  91 *
  92 * Function:     CenterLogo
  93 * Parameters:   hWndLogo    - Window to center
  94 *               hWndParent  - Handle for parent window
  95 *               CenterY     - Top coordinate for logo
  96 *
  97 * Description:  Centers the specified window within the bounds of the
  98 *               specified parent window in the horizontal direction only.
  99 *
 100 ****************************************************************************/
 101 {
 102     RECT    RectParent;
 103     RECT    RectCenter;
 104     int     CenterX,Height,Width;
 105
 106     GetWindowRect(hWndParent, &RectParent);
 107     GetWindowRect(hWndLogo, &RectCenter);
 108     Width = (RectCenter.right - RectCenter.left);
 109     Height = (RectCenter.bottom - RectCenter.top);
 110     CenterX = ((RectParent.right - RectParent.left) - Width) / 2;
 111
 112     /* Copy the values into RectCenter */
 113     RectCenter.left = CenterX;
 114     RectCenter.right = CenterX + Width;
 115     RectCenter.top = CenterY;
 116     RectCenter.bottom = CenterY + Height;
 117
 118     /* Move the window to the new location */
 119     MoveWindow(hWndLogo, RectCenter.left, RectCenter.top,
 120             (RectCenter.right - RectCenter.left),
 121             (RectCenter.bottom - RectCenter.top), false);
 122 }