iconbar.c

有关zip的一个开发实例。主要包括图片和程序源代码。

        (HMENU) NULL,
        (HINSTANCE) hInst,
        NULL);
WinAssert(hWndButtonBar);
ShowWindow(hWndButtonBar, SW_SHOW);
GetClientRect(hWndButtonBar, &rect);
Height = rect.bottom;
BtnSeparator = 1;   /* Set distance between buttons back to 1 */
BtnMult = (float)BTNWIDTH; /* Reset multiplier to original setting */
Width = (int)(BtnMult*dxChar);

WinAssert(hWndParent);
#ifdef RESIZE_BUTTONS
GetClientRect(hWndParent, &rect);
if (((Width * NUMOFBUTTONS) + NUMOFBUTTONS) > rect.right)
   {
   while (BtnMult > MIN_BTN_WIDTH)
      {
      BtnMult = (float)(BtnMult - 0.1);
      Width = (int)(BtnMult*dxChar);
      if (((Width * NUMOFBUTTONS) + NUMOFBUTTONS) < rect.right)
         continue;
      }
   }

/* Last ditch effort to get all the buttons on the screen */
if (((Width * NUMOFBUTTONS) + NUMOFBUTTONS) > rect.right)
   {
   BtnSeparator = 0;
   }
#endif
x = BtnSeparator;

for (lpIB = lpButton; lpIB->idBtn != 0; lpIB++)
    {
    if (lpIB->idBtn == -1)
       continue;
    (lpIB->hWndBtn) = CreateWindow("BUTTON", "",
                      WS_VISIBLE | BS_OWNERDRAW | WS_CHILD,
                      x, 0,
                      Width, Height,
                      hWndButtonBar,
                      (HMENU) lpIB->idBtn, (HINSTANCE) hInst, NULL );
    SubClassButton (lpIB->hWndBtn, SubClassBtnProc);
    x += Width + BtnSeparator;
    }
/* WARNING: The order here MUST be the same order as is used above
   where the various buttons are created, otherwise you will
   get strange results as buttons are given different handles than
   intended.
 */

i = 0;
hArchive       = Buttons[i++].hWndBtn;
hOpen          = Buttons[i++].hWndBtn;
hExtract       = Buttons[i++].hWndBtn;
hUnzipToDir    = Buttons[i++].hWndBtn;
hSelectAll     = Buttons[i++].hWndBtn;
hDeselectAll   = Buttons[i++].hWndBtn;
hSelectPattern = Buttons[i++].hWndBtn;
#ifdef MAX_BUTTONS
hDisplay       = Buttons[i++].hWndBtn;
hTest          = Buttons[i++].hWndBtn;
hZipInfo       = Buttons[i++].hWndBtn;
hShowComment   = Buttons[i++].hWndBtn;
hCopyArchive   = Buttons[i++].hWndBtn;
hMoveArchive   = Buttons[i++].hWndBtn;
hRenameArchive = Buttons[i++].hWndBtn;
hMakeDir       = Buttons[i++].hWndBtn;
#endif
hDeleteArchive = Buttons[i++].hWndBtn;
hClearStatus   = Buttons[i++].hWndBtn;
hStatusButton  = Buttons[i++].hWndBtn;
hExit          = Buttons[i++].hWndBtn;
hHelp          = Buttons[i].hWndBtn;

return;
}

void MoveButtons(void)
{
int x = BtnSeparator;

for (lpIB = Buttons; lpIB->idBtn != 0; lpIB++)
    {
    WinAssert(lpIB->hWndBtn);
    MoveWindow(lpIB->hWndBtn, x, 0, Width, Height, FALSE);
    x += Width + BtnSeparator;
    }
}

LRESULT WINAPI ButtonBarWndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
HPEN             hPen, hOldPen;
HBRUSH           hBrush;
LPDRAWITEMSTRUCT lpdis;
HDC              hdcMem;
HBITMAP          hBitmap;
long             flag;
int              i;

switch(message)
   {
   case WM_COMMAND:
        SendMessage(hWndButtonBarOwner, message, wParam, lParam);
        return(FALSE);

   case WM_DRAWITEM:
        lpdis = (LPDRAWITEMSTRUCT) lParam;
        lpIB = Buttons;
        for (i=0;;i++)
           {
           if (lpIB[i].idBtn == 0)
               return (FALSE); /* Not one of our controls */
           if (lpIB[i].idBtn == (signed int)lpdis->CtlID)
               break;          /* Found the right control */
           }
        if (lpIB[i].idBtn == IDM_STATUS)
           {
           if (!lstrcmp(lpIB[i].hBMP, "STATUS_BUTTON\0"))
              {
              lpIB[i].ButtonHelp = "Hide Edit/Status Window\0";
              lpIB[i].hBMP = "LTSTATUS_BUTTON\0";
              ModifyMenu(hMenu, IDM_MAX_STATUS, MF_BYCOMMAND |
                 MF_ENABLED, IDM_MAX_STATUS,
                 "Hide Edit/Status Window");
              /* If we do a ShowWindow(hWndStatic, SW_SHOWNA) (which is what
                 you would expect to do), if you hide, then unhide the status
                 window, then minimize the main application, the status
                 window will remain up. Hence this little tap dance here.
               */  
              ShowWindow(hWndStatic, SW_SHOW);
              SetActiveWindow(hWndMain);
              }
           else
              {
              lpIB[i].ButtonHelp = "Show Edit/Status Window\0";
              lpIB[i].hBMP = "STATUS_BUTTON\0";
              ModifyMenu(hMenu, IDM_MAX_STATUS, MF_BYCOMMAND |
                 MF_ENABLED, IDM_MAX_STATUS,
                 "Show Edit/Status Window");
              ShowWindow(hWndStatic, SW_HIDE);
              }
           }
        lpdis->rcItem.right = Width;
        lpdis->rcItem.bottom = Height;

        lpdis->rcItem.right--;
        lpdis->rcItem.bottom--;

        hBrush = CreateSolidBrush(GetSysColor(COLOR_MENU));
        FillRect(lpdis->hDC, &lpdis->rcItem, hBrush);
        DeleteObject(hBrush);
        hOldPen = SelectObject(lpdis->hDC, GetStockObject(BLACK_PEN));
        MoveToEx(lpdis->hDC,lpdis->rcItem.left,lpdis->rcItem.top, NULL);
        LineTo(lpdis->hDC,lpdis->rcItem.right,lpdis->rcItem.top);
        LineTo(lpdis->hDC,lpdis->rcItem.right,lpdis->rcItem.bottom);
        LineTo(lpdis->hDC,lpdis->rcItem.left,lpdis->rcItem.bottom);
        LineTo(lpdis->hDC,lpdis->rcItem.left,lpdis->rcItem.top);
        SelectObject(lpdis->hDC, hOldPen);
        lpdis->rcItem.left++;
        lpdis->rcItem.right--;
        lpdis->rcItem.top++;
        lpdis->rcItem.bottom--;
        if (!IsWindowEnabled(lpIB[i].hWndBtn))
           {
           flag = SRCINVERT;  /* "Gray" out button */
           }
        else
           {
           flag = SRCCOPY;
           }
        if (lpdis->itemState & ODS_SELECTED)
           {
           /* Button has been depressed - make it look depressed */
           hPen = CreatePen(PS_SOLID, 1, DKGRAY_PEN);
           hOldPen = SelectObject(lpdis->hDC, hPen);
           MoveToEx(lpdis->hDC,lpdis->rcItem.left,lpdis->rcItem.bottom,NULL);
           LineTo(lpdis->hDC,lpdis->rcItem.left,lpdis->rcItem.top);
           LineTo(lpdis->hDC, lpdis->rcItem.right, lpdis->rcItem.top);
           SelectObject(lpdis->hDC, hOldPen);
           DeleteObject(hPen);
           hdcMem = CreateCompatibleDC(lpdis->hDC);
           hBitmap = LoadBitmap(hInst, lpIB[i].hBMP);
           hOldPen = SelectObject(hdcMem, hBitmap);
           StretchBlt(lpdis->hDC,   /* device to be drawn */
              lpdis->rcItem.left+2, /* x upper left destination */
              lpdis->rcItem.top+2,  /* y upper left destination */
              lpdis->rcItem.right - lpdis->rcItem.left -2, /* width */
              lpdis->rcItem.bottom - lpdis->rcItem.top - 2,/* height */
              hdcMem, /* source bitmap */
              0,      /* x upper left source */
              0,      /* y upper left source */
              32,     /* source bitmap width */
              32,     /* source bitmap height */
              flag);
           SelectObject(hdcMem, hOldPen);
           DeleteDC(hdcMem);
           DeleteObject(hBitmap);
           }
        else
           {
           if (lpIB[i].idBtn == IDM_STATUS)
              {
              if (!lstrcmp(lpIB[i].hBMP, "STATUS_BUTTON\0"))
                 lpIB[i].hBMP = "LTSTATUS_BUTTON\0";
              else
                 lpIB[i].hBMP = "STATUS_BUTTON\0";
              }
           /* Draw button */
           hOldPen = SelectObject(lpdis->hDC, GetStockObject(WHITE_PEN));
           MoveToEx(lpdis->hDC,lpdis->rcItem.left,lpdis->rcItem.bottom,NULL);
           LineTo(lpdis->hDC,lpdis->rcItem.left,lpdis->rcItem.top);
           LineTo(lpdis->hDC,lpdis->rcItem.right,lpdis->rcItem.top);
           SelectObject(lpdis->hDC, hOldPen);
           hPen = CreatePen(PS_SOLID, 1, DKGRAY_PEN);
           hOldPen = SelectObject(lpdis->hDC, hPen);
           MoveToEx(lpdis->hDC,lpdis->rcItem.left,lpdis->rcItem.bottom,NULL);
           LineTo(lpdis->hDC,lpdis->rcItem.right,lpdis->rcItem.bottom);
           LineTo(lpdis->hDC,lpdis->rcItem.right,lpdis->rcItem.top);
           SelectObject(lpdis->hDC, hOldPen);
           DeleteObject(hPen);
           hdcMem = CreateCompatibleDC(lpdis->hDC);
           hBitmap = LoadBitmap(hInst, lpIB[i].hBMP);
           hOldPen = SelectObject(hdcMem, hBitmap);
           StretchBlt(lpdis->hDC,
              lpdis->rcItem.left+2,
              lpdis->rcItem.top+2,
              lpdis->rcItem.right - lpdis->rcItem.left -2,
              lpdis->rcItem.bottom - lpdis->rcItem.top - 2,
              hdcMem,
              0,
              0,
              32,
              32,
              flag); /* This flag makes it look either enabled or greyed */
           SelectObject(hdcMem, hOldPen);
           DeleteDC(hdcMem);
           DeleteObject(hBitmap);
           }
        return TRUE;
/* This section draws a line around the button bar to highlight. It was decided
   to take this out from the application, but the code is left here for those
   who want this feature.
           
   case WM_PAINT:
        {
        RECT             rect;
        PAINTSTRUCT      ps;
        
        BeginPaint(hWnd, &ps);
        WinAssert(hWnd);
        GetClientRect(hWnd, &rect);
        hOldPen = SelectObject(ps.hdc, GetStockObject(WHITE_PEN));
        MoveToEx(ps.hdc, rect.left, rect.top, NULL);
        LineTo(ps.hdc, rect.right+1, rect.top);
        SelectObject(ps.hdc, hOldPen);
        hPen = CreatePen(PS_SOLID, 1, DKGRAY_PEN);
        hOldPen = SelectObject(ps.hdc, hPen);
        MoveToEx(ps.hdc, rect.left, rect.bottom-2, NULL);
        LineTo(ps.hdc, rect.right+1, rect.bottom-2);
        SelectObject(ps.hdc, hOldPen);
        DeleteObject(hPen);
        hPen = CreatePen( PS_SOLID, 1, BLACK_PEN);
        hOldPen = SelectObject(ps.hdc, hPen);
        MoveToEx(ps.hdc, rect.left, rect.bottom-1, NULL);
        LineTo(ps.hdc, rect.right+1, rect.bottom-1);
        SelectObject(ps.hdc, hOldPen);
        DeleteObject(hPen);
        EndPaint(hWnd, &ps);
        return (FALSE);
        }
*/
   default:
      return(DefWindowProc(hWnd, message, wParam, lParam));
   }
}