// Place a (KB) button on the left of any possible (?)(OK)(X) buttons.
BOOL PositionKBButton(HWND hwndKB, HWND hwnd)
{
if (hwndKB == NULL || hwnd == NULL) {
return FALSE;
}
LONG style = GetWindowLong(hwnd, GWL_STYLE);
LONG exStyle = GetWindowLong(hwnd, GWL_EXSTYLE);
// The (KB) button can only be placed on windows with a title bar
if ((style|WS_CAPTION) != style) {
SetWindowPos(hwndKB, 0, 0, 0, 0, 0, SWP_NOACTIVATE | SWP_HIDEWINDOW | SWP_NOMOVE | SWP_NOSIZE);
return FALSE;
}
int i = 0;
if ((style|WS_SYSMENU) == style) i++; // has a close (X) button
if ((exStyle|WS_EX_CAPTIONOKBTN) == exStyle) i++; // has an OK button
if ((exStyle|WS_EX_CONTEXTHELP) == exStyle) i++; // has a Help (?) button
int x = 0;
int y = 0;
if (HAS_THICKFRAME(style, exStyle)) {
// x = GetSystemMetrics(SM_CXFRAME);
// y = GetSystemMetrics(SM_CYFRAME);
//} else if (HAS_DLGFRAME(style, exStyle)) {
} else if (HAS_DLGFRAME(style, exStyle) && (exStyle|WS_EX_NODRAG) != exStyle) {
x = GetSystemMetrics(SM_CXDLGFRAME);
y = GetSystemMetrics(SM_CYDLGFRAME);
} else if (HAS_THINFRAME(style)) {
x = GetSystemMetrics(SM_CXBORDER);
y = GetSystemMetrics(SM_CYBORDER);
}
if ((style & WS_CHILD)) {
if (exStyle & WS_EX_CLIENTEDGE) {
x += GetSystemMetrics(SM_CXEDGE);
y += GetSystemMetrics(SM_CYEDGE);
}
if (exStyle & WS_EX_STATICEDGE) {
x += GetSystemMetrics(SM_CXBORDER);
y += GetSystemMetrics(SM_CYBORDER);
}
}
RECT rc;
GetWindowRect(hwnd, &rc);
int w = GetSystemMetrics(SM_CYCAPTION) - 2;
int h = w;
x = rc.right - i * (w + 4) - w - x - 2; // 4 is the space between buttons, 2 is the space between the right most button and the border
y += rc.top + 1;
SetWindowPos(hwndKB, HWND_TOP, x, y, w, h, SWP_NOACTIVATE | SWP_SHOWWINDOW);
MoveWindow(GetDlgItem(hwndKB, IDC_KB_BUTTON), 0, 0, w, h, TRUE);
return TRUE;
}
/***********************************************************************
* NcGetInsideRect
*
* Get the 'inside' rectangle of a window, i.e. the whole window rectangle
* but without the borders (if any).
* The rectangle is in window coordinates (for drawing with GetWindowDC()).
*/
static void FASTCALL
NcGetInsideRect(HWND Wnd, RECT *Rect)
{
DWORD Style;
DWORD ExStyle;
GetWindowRect(Wnd, Rect);
Rect->right = Rect->right - Rect->left;
Rect->left = 0;
Rect->bottom = Rect->bottom - Rect->top;
Rect->top = 0;
Style = GetWindowLongPtrW(Wnd, GWL_STYLE);
if (0 != (Style & WS_ICONIC))
{
return;
}
/* Remove frame from rectangle */
ExStyle = GetWindowLongPtrW(Wnd, GWL_EXSTYLE);
if (HAS_THICKFRAME(Style, ExStyle))
{
InflateRect(Rect, - GetSystemMetrics(SM_CXFRAME), - GetSystemMetrics(SM_CYFRAME));
}
else if (HAS_DLGFRAME(Style, ExStyle))
{
InflateRect(Rect, - GetSystemMetrics(SM_CXDLGFRAME), - GetSystemMetrics(SM_CYDLGFRAME));
}
else if (HAS_THINFRAME(Style, ExStyle))
{
InflateRect(Rect, - GetSystemMetrics(SM_CXBORDER), - GetSystemMetrics(SM_CYBORDER));
}
/* We have additional border information if the window
* is a child (but not an MDI child) */
if (0 != (Style & WS_CHILD)
&& 0 == (ExStyle & WS_EX_MDICHILD))
{
if (0 != (ExStyle & WS_EX_CLIENTEDGE))
{
InflateRect(Rect, - GetSystemMetrics(SM_CXEDGE), - GetSystemMetrics(SM_CYEDGE));
}
if (0 != (ExStyle & WS_EX_STATICEDGE))
{
InflateRect(Rect, - GetSystemMetrics(SM_CXBORDER), - GetSystemMetrics(SM_CYBORDER));
}
}
}
DWORD FASTCALL
GetNCHitEx(PWND pWnd, POINT pt)
{
RECT rcWindow, rcClient;
DWORD Style, ExStyle;
if (!pWnd) return HTNOWHERE;
if (pWnd == UserGetDesktopWindow()) // pWnd->fnid == FNID_DESKTOP)
{
rcClient.left = rcClient.top = rcWindow.left = rcWindow.top = 0;
rcWindow.right = UserGetSystemMetrics(SM_CXSCREEN);
rcWindow.bottom = UserGetSystemMetrics(SM_CYSCREEN);
rcClient.right = UserGetSystemMetrics(SM_CXSCREEN);
rcClient.bottom = UserGetSystemMetrics(SM_CYSCREEN);
}
else
{
rcClient = pWnd->rcClient;
rcWindow = pWnd->rcWindow;
}
if (!RECTL_bPointInRect(&rcWindow, pt.x, pt.y)) return HTNOWHERE;
Style = pWnd->style;
ExStyle = pWnd->ExStyle;
if (Style & WS_MINIMIZE) return HTCAPTION;
if (RECTL_bPointInRect( &rcClient, pt.x, pt.y )) return HTCLIENT;
/* Check borders */
if (HAS_THICKFRAME( Style, ExStyle ))
{
RECTL_vInflateRect(&rcWindow, -UserGetSystemMetrics(SM_CXFRAME), -UserGetSystemMetrics(SM_CYFRAME) );
if (!RECTL_bPointInRect(&rcWindow, pt.x, pt.y ))
{
/* Check top sizing border */
if (pt.y < rcWindow.top)
{
if (pt.x < rcWindow.left+UserGetSystemMetrics(SM_CXSIZE)) return HTTOPLEFT;
if (pt.x >= rcWindow.right-UserGetSystemMetrics(SM_CXSIZE)) return HTTOPRIGHT;
return HTTOP;
}
/* Check bottom sizing border */
if (pt.y >= rcWindow.bottom)
{
if (pt.x < rcWindow.left+UserGetSystemMetrics(SM_CXSIZE)) return HTBOTTOMLEFT;
if (pt.x >= rcWindow.right-UserGetSystemMetrics(SM_CXSIZE)) return HTBOTTOMRIGHT;
return HTBOTTOM;
}
/* Check left sizing border */
if (pt.x < rcWindow.left)
{
if (pt.y < rcWindow.top+UserGetSystemMetrics(SM_CYSIZE)) return HTTOPLEFT;
if (pt.y >= rcWindow.bottom-UserGetSystemMetrics(SM_CYSIZE)) return HTBOTTOMLEFT;
return HTLEFT;
}
/* Check right sizing border */
if (pt.x >= rcWindow.right)
{
if (pt.y < rcWindow.top+UserGetSystemMetrics(SM_CYSIZE)) return HTTOPRIGHT;
if (pt.y >= rcWindow.bottom-UserGetSystemMetrics(SM_CYSIZE)) return HTBOTTOMRIGHT;
return HTRIGHT;
}
}
}
else /* No thick frame */
{
if (HAS_DLGFRAME( Style, ExStyle ))
RECTL_vInflateRect(&rcWindow, -UserGetSystemMetrics(SM_CXDLGFRAME), -UserGetSystemMetrics(SM_CYDLGFRAME));
else if (HAS_THINFRAME( Style, ExStyle ))
RECTL_vInflateRect(&rcWindow, -UserGetSystemMetrics(SM_CXBORDER), -UserGetSystemMetrics(SM_CYBORDER));
if (!RECTL_bPointInRect( &rcWindow, pt.x, pt.y )) return HTBORDER;
}
/* Check caption */
if ((Style & WS_CAPTION) == WS_CAPTION)
{
if (ExStyle & WS_EX_TOOLWINDOW)
rcWindow.top += UserGetSystemMetrics(SM_CYSMCAPTION) - 1;
else
rcWindow.top += UserGetSystemMetrics(SM_CYCAPTION) - 1;
if (!RECTL_bPointInRect( &rcWindow, pt.x, pt.y ))
{
BOOL min_or_max_box = (Style & WS_SYSMENU) && (Style & (WS_MINIMIZEBOX|WS_MAXIMIZEBOX));
if (ExStyle & WS_EX_LAYOUTRTL)
{
/* Check system menu */
if ((Style & WS_SYSMENU) && !(ExStyle & WS_EX_TOOLWINDOW) && NC_IconForWindow(pWnd))
{
rcWindow.right -= UserGetSystemMetrics(SM_CYCAPTION) - 1;
if (pt.x > rcWindow.right) return HTSYSMENU;
}
/* Check close button */
if (Style & WS_SYSMENU)
{
rcWindow.left += UserGetSystemMetrics(SM_CYCAPTION);
if (pt.x < rcWindow.left) return HTCLOSE;
}
/* Check maximize box */
/* In Win95 there is automatically a Maximize button when there is a minimize one */
if (min_or_max_box && !(ExStyle & WS_EX_TOOLWINDOW))
{
rcWindow.left += UserGetSystemMetrics(SM_CXSIZE);
if (pt.x < rcWindow.left) return HTMAXBUTTON;
}
/* Check minimize box */
if (min_or_max_box && !(ExStyle & WS_EX_TOOLWINDOW))
{
rcWindow.left += UserGetSystemMetrics(SM_CXSIZE);
if (pt.x < rcWindow.left) return HTMINBUTTON;
}
}
else
{
/* Check system menu */
if ((Style & WS_SYSMENU) && !(ExStyle & WS_EX_TOOLWINDOW) && NC_IconForWindow(pWnd))
{
rcWindow.left += UserGetSystemMetrics(SM_CYCAPTION) - 1;
if (pt.x < rcWindow.left) return HTSYSMENU;
}
/* Check close button */
if (Style & WS_SYSMENU)
{
rcWindow.right -= UserGetSystemMetrics(SM_CYCAPTION);
if (pt.x > rcWindow.right) return HTCLOSE;
}
/* Check maximize box */
/* In Win95 there is automatically a Maximize button when there is a minimize one */
if (min_or_max_box && !(ExStyle & WS_EX_TOOLWINDOW))
{
rcWindow.right -= UserGetSystemMetrics(SM_CXSIZE);
if (pt.x > rcWindow.right) return HTMAXBUTTON;
}
/* Check minimize box */
if (min_or_max_box && !(ExStyle & WS_EX_TOOLWINDOW))
{
rcWindow.right -= UserGetSystemMetrics(SM_CXSIZE);
if (pt.x > rcWindow.right) return HTMINBUTTON;
}
}
return HTCAPTION;
}
}
/* Check menu bar */
if (HAS_MENU( pWnd, Style ) && (pt.y < rcClient.top) &&
(pt.x >= rcClient.left) && (pt.x < rcClient.right))
return HTMENU;
/* Check vertical scroll bar */
if (ExStyle & WS_EX_LAYOUTRTL) ExStyle ^= WS_EX_LEFTSCROLLBAR;
if (Style & WS_VSCROLL)
{
if((ExStyle & WS_EX_LEFTSCROLLBAR) != 0)
rcClient.left -= UserGetSystemMetrics(SM_CXVSCROLL);
else
rcClient.right += UserGetSystemMetrics(SM_CXVSCROLL);
if (RECTL_bPointInRect( &rcClient, pt.x, pt.y )) return HTVSCROLL;
}
/* Check horizontal scroll bar */
if (Style & WS_HSCROLL)
{
rcClient.bottom += UserGetSystemMetrics(SM_CYHSCROLL);
if (RECTL_bPointInRect( &rcClient, pt.x, pt.y ))
{
/* Check size box */
if ((Style & WS_VSCROLL) &&
((((ExStyle & WS_EX_LEFTSCROLLBAR) != 0) && (pt.x <= rcClient.left + UserGetSystemMetrics(SM_CXVSCROLL))) ||
(((ExStyle & WS_EX_LEFTSCROLLBAR) == 0) && (pt.x >= rcClient.right - UserGetSystemMetrics(SM_CXVSCROLL)))))
return HTSIZE;
return HTHSCROLL;
}
}
/* Has to return HTNOWHERE if nothing was found
Could happen when a window has a customized non client area */
return HTNOWHERE;
}
