void Main_OnCommand(HWND hwnd, int id, HWND /* hwndCtl */, UINT /* codeNotify */)
{
switch (id)
{
case ID_FILE_EXIT:
// The user wants to exit, so send our window a close message
SendMessage(hwnd, WM_CLOSE, 0, 0L);
break;
case ID_HELP_ABOUT:
// Display the "About" dialog
DialogBox(g_hInstance, MAKEINTRESOURCE(IDD_ABOUT), hwnd, AboutDlgProc);
break;
case ID_PROPERTIES:
ShowOptions(hwnd);
break;
case ID_APPBAR_REGISTER:
AppBar_Register(hwnd);
break;
case ID_APPBAR_UNREGISTER:
AppBar_UnRegister(hwnd);
break;
case ID_APPBAR_AUTOHIDE:
AppBar_SetAutoHide(hwnd, TRUE);
break;
case ID_APPBAR_NOAUTOHIDE:
AppBar_SetAutoHide(hwnd, FALSE);
break;
case ID_APPBAR_TOP:
AppBar_SetSide(hwnd, ABE_TOP);
break;
case ID_APPBAR_BOTTOM:
AppBar_SetSide(hwnd, ABE_BOTTOM);
break;
case ID_APPBAR_LEFT:
AppBar_SetSide(hwnd, ABE_LEFT);
break;
case ID_APPBAR_RIGHT:
AppBar_SetSide(hwnd, ABE_RIGHT);
break;
}
}
BOOL Main_OnCreate(HWND hwnd, LPCREATESTRUCT /* lpCreateStruct */)
{
// Initialize the common control DLL
InitCommonControls();
// Allocate an OPTIONS struct and attach to the appbar
POPTIONS pOptions = (POPTIONS)HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(OPTIONS));
if (pOptions)
{
SetWindowLongPtr(hwnd, 0,(LONG_PTR)pOptions);
}
else
{
return FALSE;
}
pOptions->fAutoHide = FALSE;
pOptions->fOnTop = FALSE;
pOptions->uSide = ABE_TOP;
pOptions->cxWidth = CX_DEFWIDTH;
pOptions->cyHeight = CY_DEFHEIGHT;
// Register the appbar and attach it to the top by default
AppBar_Register(hwnd);
AppBar_SetSide(hwnd, ABE_TOP);
// Create the fonts for drawing in the client area
LOGFONT lf;
ZeroMemory(&lf,sizeof(LOGFONT));
lf.lfHeight = 45;
lf.lfEscapement = 2700;
lf.lfOrientation = 0;
StringCchCopy(lf.lfFaceName, ARRAYSIZE(lf.lfFaceName), L"Arial");
s_hFontLeft = CreateFontIndirect(&lf);
lf.lfEscapement = 0;
s_hFontTop = CreateFontIndirect(&lf);
return TRUE;
}
BOOL CAppBar::AppBar_SetSide(UINT uSide)
{
if(!g_fAppRegistered)
AppBar_Register();
BOOL fAutoHide = FALSE;
// Calculate the size of the screen so we can occupy the full width or
// height of the screen on the edge we request.
m_rc.top = 0;
m_rc.left = 0;
m_rc.right = GetSystemMetrics(SM_CXSCREEN);
m_rc.bottom = GetSystemMetrics(SM_CYSCREEN);
// Fill out the APPBARDATA struct with the basic information
abd.cbSize = sizeof(APPBARDATA);
abd.hWnd = pHandler;
// If the appbar is autohidden, turn that off so we can move the bar
if (m_pOptions->fAutoHide)
{
fAutoHide = m_pOptions->fAutoHide;
// Turn off the redrawing of the desktop while we move things around.
// If you put any breakpoints in this area you will lock up the desktop
// Since turning off the desktop repaints turns it off for all the apps
// in the system
SetWindowRedraw(GetDesktopWindow(), FALSE);
AppBar_SetAutoHide(FALSE);
}
// Adjust the rectangle to set our height or width depending on the
// side we want.
switch (uSide)
{
case ABE_TOP:
m_rc.bottom = m_rc.top + m_pOptions->cyHeight;
break;
case ABE_BOTTOM:
m_rc.top = m_rc.bottom - m_pOptions->cyHeight;
break;
case ABE_LEFT:
m_rc.right = m_rc.left + m_pOptions->cxWidth;
break;
case ABE_RIGHT:
m_rc.left = m_rc.right - m_pOptions->cxWidth;
break;
}
// Move the appbar to the new screen space.
AppBar_QuerySetPos(uSide, &m_rc, &abd, TRUE);
// If the appbar was hidden, rehide it now
if (fAutoHide)
{
AppBar_SetAutoHide(TRUE);
SetWindowRedraw(GetDesktopWindow(), TRUE);
RedrawWindow(GetDesktopWindow(), NULL, NULL,
RDW_INVALIDATE | RDW_UPDATENOW | RDW_ALLCHILDREN);
}
return (TRUE);
}
