void CAppBar::AppBar_QuerySetPos(UINT uEdge, LPRECT lprc, PAPPBARDATA pabd, BOOL fMove)
{
int iHeight = 0;
int iWidth = 0;
// Fill out the APPBARDATA struct and save the edge we're moving to
// in the appbar OPTIONS struct.
pabd->rc = *lprc;
pabd->uEdge = uEdge;
m_pOptions->uSide = uEdge;
AppBar_QueryPos(&(pabd->rc));
SHAppBarMessage(ABM_SETPOS, pabd);
// Tell the system we're moving to this new approved position.
if (fMove)
{
MoveWindow(pabd->hWnd, pabd->rc.left, pabd->rc.top,
pabd->rc.right - pabd->rc.left,
pabd->rc.bottom - pabd->rc.top, TRUE);
}
// Save the appbar rect. We use this later when we autohide. If we're
// currently hidden, then don't mess with this.
if (!m_pOptions->fAutoHide)
g_rcAppBar = pabd->rc;
}
void Main_OnMouseMove(HWND hwnd, int x, int y, UINT /* keyFlags */)
{
// If we're not currently in the middle of moving the appbar window,
// there's nothing to do.
if (!s_fMoving)
{
return;
}
// Convert the mouse position to screen coordinates
POINT ptCursor = {x, y};
ClientToScreen(hwnd, &ptCursor);
// Find out which edge of the screen we're closest to
int cxScreen = GetSystemMetrics(SM_CXSCREEN);
int cyScreen = GetSystemMetrics(SM_CYSCREEN);
DWORD dx, dy;
WORD horiz, vert;
if (ptCursor.x < (cxScreen / 2))
{
dx = ptCursor.x;
horiz = ABE_LEFT;
}
else
{
dx = cxScreen - ptCursor.x;
horiz = ABE_RIGHT;
}
if (ptCursor.y < (cyScreen / 2))
{
dy = ptCursor.y;
vert = ABE_TOP;
}
else
{
dy = cyScreen - ptCursor.y;
vert = ABE_BOTTOM;
}
// Build a drag rectangle based on the edge of the screen that we're
// closest to.
POPTIONS pOpt = GetAppbarData(hwnd);
if ((cxScreen * dy) > (cyScreen * dx))
{
s_rcDrag.top = 0;
s_rcDrag.bottom = cyScreen;
if (horiz == ABE_LEFT)
{
s_rcDrag.left = 0;
s_rcDrag.right = s_rcDrag.left + pOpt->cxWidth;
pOpt->uSide = ABE_LEFT;
}
else
{
s_rcDrag.right = cxScreen;
s_rcDrag.left = s_rcDrag.right - pOpt->cxWidth;
pOpt->uSide = ABE_RIGHT;
}
}
else
{
s_rcDrag.left = 0;
s_rcDrag.right = cxScreen;
if (vert == ABE_TOP)
{
s_rcDrag.top = 0;
s_rcDrag.bottom = s_rcDrag.top + pOpt->cyHeight;
pOpt->uSide = ABE_TOP;
}
else
{
s_rcDrag.bottom = cyScreen;
s_rcDrag.top = s_rcDrag.bottom - pOpt->cyHeight;
pOpt->uSide = ABE_BOTTOM;
}
}
// Finally, make sure this is an OK position with the system and move
// the window.
APPBARDATA abd;
abd.cbSize = sizeof(APPBARDATA);
abd.hWnd = hwnd;
AppBar_QueryPos(hwnd, &s_rcDrag);
MoveWindow(hwnd, s_rcDrag.left, s_rcDrag.top,
s_rcDrag.right - s_rcDrag.left,
s_rcDrag.bottom - s_rcDrag.top,
TRUE);
}
