reactos/win32ss/user/ntuser/defwnd.c
Denis Malikov db810d8e44
[WIN32SS:NTUSER] Fix window state after restoring snapped window (#4119)
InternalPos.NormalRect is a key data for detecting whether a window was snapped.
Keeping it after restore affecting next snap actions.

CORE-16477
2021-11-23 23:34:03 +01:00

1299 lines
40 KiB
C

/*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS Win32k subsystem
* PURPOSE: Miscellaneous User functions
* FILE: win32ss/user/ntuser/defwnd.c
* PROGRAMER:
*/
#include <win32k.h>
#include <windowsx.h>
DBG_DEFAULT_CHANNEL(UserDefwnd);
INT WINAPI DrawTextExWorker( HDC hdc, LPWSTR str, INT i_count,
LPRECT rect, UINT flags, LPDRAWTEXTPARAMS dtp );
INT WINAPI DrawTextW( HDC hdc, LPCWSTR str, INT count, LPRECT rect, UINT flags )
{
DRAWTEXTPARAMS dtp;
memset (&dtp, 0, sizeof(dtp));
dtp.cbSize = sizeof(dtp);
if (flags & DT_TABSTOP)
{
dtp.iTabLength = (flags >> 8) & 0xff;
flags &= 0xffff00ff;
}
return DrawTextExWorker(hdc, (LPWSTR)str, count, rect, flags, &dtp);
}
HBRUSH FASTCALL
DefWndControlColor(HDC hDC, UINT ctlType)
{
if (ctlType == CTLCOLOR_SCROLLBAR)
{
HBRUSH hb = IntGetSysColorBrush(COLOR_SCROLLBAR);
COLORREF bk = IntGetSysColor(COLOR_3DHILIGHT);
IntGdiSetTextColor(hDC, IntGetSysColor(COLOR_3DFACE));
IntGdiSetBkColor(hDC, bk);
/* if COLOR_WINDOW happens to be the same as COLOR_3DHILIGHT
* we better use 0x55aa bitmap brush to make scrollbar's background
* look different from the window background.
*/
if ( bk == IntGetSysColor(COLOR_WINDOW))
return gpsi->hbrGray;
NtGdiUnrealizeObject( hb );
return hb;
}
IntGdiSetTextColor(hDC, IntGetSysColor(COLOR_WINDOWTEXT));
if ((ctlType == CTLCOLOR_EDIT) || (ctlType == CTLCOLOR_LISTBOX))
{
IntGdiSetBkColor(hDC, IntGetSysColor(COLOR_WINDOW));
}
else
{
IntGdiSetBkColor(hDC, IntGetSysColor(COLOR_3DFACE));
return IntGetSysColorBrush(COLOR_3DFACE);
}
return IntGetSysColorBrush(COLOR_WINDOW);
}
LRESULT FASTCALL
DefWndHandleWindowPosChanging(PWND pWnd, WINDOWPOS* Pos)
{
POINT maxTrack, minTrack;
LONG style = pWnd->style;
if (Pos->flags & SWP_NOSIZE) return 0;
if ((style & WS_THICKFRAME) || ((style & (WS_POPUP | WS_CHILD)) == 0))
{
co_WinPosGetMinMaxInfo(pWnd, NULL, NULL, &minTrack, &maxTrack);
Pos->cx = min(Pos->cx, maxTrack.x);
Pos->cy = min(Pos->cy, maxTrack.y);
if (!(style & WS_MINIMIZE))
{
if (Pos->cx < minTrack.x) Pos->cx = minTrack.x;
if (Pos->cy < minTrack.y) Pos->cy = minTrack.y;
}
}
else
{
Pos->cx = max(Pos->cx, 0);
Pos->cy = max(Pos->cy, 0);
}
return 0;
}
LRESULT FASTCALL
DefWndHandleWindowPosChanged(PWND pWnd, WINDOWPOS* Pos)
{
RECT Rect;
LONG style = pWnd->style;
IntGetClientRect(pWnd, &Rect);
IntMapWindowPoints(pWnd, (style & WS_CHILD ? IntGetParent(pWnd) : NULL), (LPPOINT) &Rect, 2);
if (!(Pos->flags & SWP_NOCLIENTMOVE))
{
co_IntSendMessage(UserHMGetHandle(pWnd), WM_MOVE, 0, MAKELONG(Rect.left, Rect.top));
}
if (!(Pos->flags & SWP_NOCLIENTSIZE) || (Pos->flags & SWP_STATECHANGED))
{
if (style & WS_MINIMIZE) co_IntSendMessage(UserHMGetHandle(pWnd), WM_SIZE, SIZE_MINIMIZED, 0 );
else
{
WPARAM wp = (style & WS_MAXIMIZE) ? SIZE_MAXIMIZED : SIZE_RESTORED;
co_IntSendMessage(UserHMGetHandle(pWnd), WM_SIZE, wp, MAKELONG(Rect.right - Rect.left, Rect.bottom - Rect.top));
}
}
return 0;
}
//
// Handle a WM_SYSCOMMAND message. Called from DefWindowProc().
//
LRESULT FASTCALL
DefWndHandleSysCommand(PWND pWnd, WPARAM wParam, LPARAM lParam)
{
LRESULT lResult = 0;
BOOL Hook = FALSE;
if (ISITHOOKED(WH_CBT) || (pWnd->head.rpdesk->pDeskInfo->fsHooks & HOOKID_TO_FLAG(WH_CBT)))
{
Hook = TRUE;
lResult = co_HOOK_CallHooks(WH_CBT, HCBT_SYSCOMMAND, wParam, lParam);
if (lResult) return lResult;
}
switch (wParam & 0xfff0)
{
case SC_MOVE:
case SC_SIZE:
DefWndDoSizeMove(pWnd, wParam);
break;
case SC_MINIMIZE:
if (UserHMGetHandle(pWnd) == UserGetActiveWindow())
IntShowOwnedPopups(pWnd,FALSE); // This is done in ShowWindow! Need to retest!
co_WinPosShowWindow( pWnd, SW_MINIMIZE );
break;
case SC_MAXIMIZE:
if (((pWnd->style & WS_MINIMIZE) != 0) && UserHMGetHandle(pWnd) == UserGetActiveWindow())
IntShowOwnedPopups(pWnd,TRUE);
co_WinPosShowWindow( pWnd, SW_MAXIMIZE );
break;
case SC_RESTORE:
if (((pWnd->style & WS_MINIMIZE) != 0) && UserHMGetHandle(pWnd) == UserGetActiveWindow())
IntShowOwnedPopups(pWnd,TRUE);
co_WinPosShowWindow( pWnd, SW_RESTORE );
break;
case SC_CLOSE:
return co_IntSendMessage(UserHMGetHandle(pWnd), WM_CLOSE, 0, 0);
case SC_SCREENSAVE:
ERR("Screensaver Called!\n");
UserPostMessage(hwndSAS, WM_LOGONNOTIFY, LN_START_SCREENSAVE, 0); // always lParam 0 == not Secure
break;
case SC_HOTKEY:
{
USER_REFERENCE_ENTRY Ref;
pWnd = ValidateHwndNoErr((HWND)lParam);
if (pWnd)
{
if (pWnd->spwndLastActive)
{
pWnd = pWnd->spwndLastActive;
}
UserRefObjectCo(pWnd, &Ref);
co_IntSetForegroundWindow(pWnd);
UserDerefObjectCo(pWnd);
if (pWnd->style & WS_MINIMIZE)
{
UserPostMessage(UserHMGetHandle(pWnd), WM_SYSCOMMAND, SC_RESTORE, 0);
}
}
}
break;
// case SC_DEFAULT:
case SC_MOUSEMENU:
{
POINT Pt;
Pt.x = (short)LOWORD(lParam);
Pt.y = (short)HIWORD(lParam);
MENU_TrackMouseMenuBar(pWnd, wParam & 0x000f, Pt);
}
break;
case SC_KEYMENU:
MENU_TrackKbdMenuBar(pWnd, wParam, (WCHAR)lParam);
break;
default:
// We do not support anything else here so we should return normal even when sending a hook.
return 0;
}
return(Hook ? 1 : 0); // Don't call us again from user space.
}
PWND FASTCALL
co_IntFindChildWindowToOwner(PWND Root, PWND Owner)
{
PWND Ret;
PWND Child, OwnerWnd;
for(Child = Root->spwndChild; Child; Child = Child->spwndNext)
{
OwnerWnd = Child->spwndOwner;
if(!OwnerWnd)
continue;
if (!(Child->style & WS_POPUP) ||
!(Child->style & WS_VISIBLE) ||
/* Fixes CMD pop up properties window from having foreground. */
Owner->head.pti->MessageQueue != Child->head.pti->MessageQueue)
continue;
if(OwnerWnd == Owner)
{
Ret = Child;
return Ret;
}
}
return NULL;
}
LRESULT
DefWndHandleSetCursor(PWND pWnd, WPARAM wParam, LPARAM lParam)
{
PWND pwndPopUP = NULL;
WORD Msg = HIWORD(lParam);
/* Not for child windows. */
if (UserHMGetHandle(pWnd) != (HWND)wParam)
{
return FALSE;
}
switch((short)LOWORD(lParam))
{
case HTERROR:
{
//// This is the real fix for CORE-6129! This was a "Code hole".
USER_REFERENCE_ENTRY Ref;
if (Msg == WM_LBUTTONDOWN)
{
// Find a pop up window to bring active.
pwndPopUP = co_IntFindChildWindowToOwner(UserGetDesktopWindow(), pWnd);
if (pwndPopUP)
{
// Not a child pop up from desktop.
if ( pwndPopUP != UserGetDesktopWindow()->spwndChild )
{
// Get original active window.
PWND pwndOrigActive = gpqForeground->spwndActive;
co_WinPosSetWindowPos(pWnd, NULL, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE | SWP_NOACTIVATE);
UserRefObjectCo(pwndPopUP, &Ref);
//UserSetActiveWindow(pwndPopUP);
co_IntSetForegroundWindow(pwndPopUP); // HACK
UserDerefObjectCo(pwndPopUP);
// If the change was made, break out.
if (pwndOrigActive != gpqForeground->spwndActive)
break;
}
}
}
////
if (Msg == WM_LBUTTONDOWN || Msg == WM_MBUTTONDOWN ||
Msg == WM_RBUTTONDOWN || Msg == WM_XBUTTONDOWN)
{
if (pwndPopUP)
{
FLASHWINFO fwi =
{sizeof(FLASHWINFO),
UserHMGetHandle(pwndPopUP),
FLASHW_ALL,
gspv.dwForegroundFlashCount,
(gpsi->dtCaretBlink >> 3)};
// Now shake that window!
IntFlashWindowEx(pwndPopUP, &fwi);
}
UserPostMessage(hwndSAS, WM_LOGONNOTIFY, LN_MESSAGE_BEEP, 0);
}
break;
}
case HTCLIENT:
{
if (pWnd->pcls->spcur)
{
IntSystemSetCursor(pWnd->pcls->spcur);
}
return FALSE;
}
case HTLEFT:
case HTRIGHT:
{
if (pWnd->style & WS_MAXIMIZE)
{
break;
}
IntSystemSetCursor(SYSTEMCUR(SIZEWE));
return TRUE;
}
case HTTOP:
case HTBOTTOM:
{
if (pWnd->style & WS_MAXIMIZE)
{
break;
}
IntSystemSetCursor(SYSTEMCUR(SIZENS));
return TRUE;
}
case HTTOPLEFT:
case HTBOTTOMRIGHT:
{
if (pWnd->style & WS_MAXIMIZE)
{
break;
}
IntSystemSetCursor(SYSTEMCUR(SIZENWSE));
return TRUE;
}
case HTBOTTOMLEFT:
case HTTOPRIGHT:
{
if (pWnd->style & WS_MAXIMIZE)
{
break;
}
IntSystemSetCursor(SYSTEMCUR(SIZENESW));
return TRUE;
}
}
IntSystemSetCursor(SYSTEMCUR(ARROW));
return FALSE;
}
VOID FASTCALL DefWndPrint( PWND pwnd, HDC hdc, ULONG uFlags)
{
/*
* Visibility flag.
*/
if ( (uFlags & PRF_CHECKVISIBLE) &&
!IntIsWindowVisible(pwnd) )
return;
/*
* Unimplemented flags.
*/
if ( (uFlags & PRF_CHILDREN) ||
(uFlags & PRF_OWNED) ||
(uFlags & PRF_NONCLIENT) )
{
FIXME("WM_PRINT message with unsupported flags\n");
}
/*
* Background
*/
if ( uFlags & PRF_ERASEBKGND)
co_IntSendMessage(UserHMGetHandle(pwnd), WM_ERASEBKGND, (WPARAM)hdc, 0);
/*
* Client area
*/
if ( uFlags & PRF_CLIENT)
co_IntSendMessage(UserHMGetHandle(pwnd), WM_PRINTCLIENT, (WPARAM)hdc, uFlags);
}
BOOL
UserPaintCaption(PWND pWnd, INT Flags)
{
BOOL Ret = FALSE;
if ( (pWnd->style & WS_VISIBLE) && ((pWnd->style & WS_CAPTION) == WS_CAPTION) )
{
if (pWnd->state & WNDS_HASCAPTION && pWnd->head.pti->MessageQueue == gpqForeground)
Flags |= DC_ACTIVE;
/*
* When themes are not enabled we can go on and paint the non client area.
* However if we do that with themes enabled we will draw a classic frame.
* This is solved by sending a themes specific message to notify the themes
* engine that the caption needs to be redrawn
*/
if (gpsi->dwSRVIFlags & SRVINFO_APIHOOK)
{
/*
* This will cause uxtheme to either paint the themed caption or call
* RealUserDrawCaption in order to draw the classic caption when themes
* are disabled but the themes service is enabled
*/
TRACE("UDCB Flags %08x\n", Flags);
co_IntSendMessage(UserHMGetHandle(pWnd), WM_NCUAHDRAWCAPTION, Flags, 0);
}
else
{
HDC hDC = UserGetDCEx(pWnd, NULL, DCX_WINDOW|DCX_USESTYLE);
UserDrawCaptionBar(pWnd, hDC, Flags | DC_FRAME); // DCFRAME added as fix for CORE-10855.
UserReleaseDC(pWnd, hDC, FALSE);
}
Ret = TRUE;
}
// Support window tray
return Ret;
}
// WM_SETICON
LRESULT FASTCALL
DefWndSetIcon(PWND pWnd, WPARAM wParam, LPARAM lParam)
{
HICON hIcon, hIconSmall, hIconOld;
if ( wParam > ICON_SMALL2 )
{
EngSetLastError(ERROR_INVALID_PARAMETER);
return 0;
}
hIconSmall = UserGetProp(pWnd, gpsi->atomIconSmProp, TRUE);
hIcon = UserGetProp(pWnd, gpsi->atomIconProp, TRUE);
hIconOld = wParam == ICON_BIG ? hIcon : hIconSmall;
switch(wParam)
{
case ICON_BIG:
hIcon = (HICON)lParam;
break;
case ICON_SMALL:
hIconSmall = (HICON)lParam;
break;
case ICON_SMALL2:
ERR("FIXME: Set ICON_SMALL2 support!\n");
default:
break;
}
UserSetProp(pWnd, gpsi->atomIconProp, hIcon, TRUE);
UserSetProp(pWnd, gpsi->atomIconSmProp, hIconSmall, TRUE);
if ((pWnd->style & WS_CAPTION ) == WS_CAPTION)
UserPaintCaption(pWnd, DC_ICON);
return (LRESULT)hIconOld;
}
LRESULT FASTCALL
DefWndGetIcon(PWND pWnd, WPARAM wParam, LPARAM lParam)
{
HICON hIconRet;
if ( wParam > ICON_SMALL2 )
{
EngSetLastError(ERROR_INVALID_PARAMETER);
return 0;
}
switch(wParam)
{
case ICON_BIG:
hIconRet = UserGetProp(pWnd, gpsi->atomIconProp, TRUE);
break;
case ICON_SMALL:
case ICON_SMALL2:
hIconRet = UserGetProp(pWnd, gpsi->atomIconSmProp, TRUE);
break;
DEFAULT_UNREACHABLE;
}
return (LRESULT)hIconRet;
}
VOID FASTCALL
DefWndScreenshot(PWND pWnd)
{
RECT rect;
HDC hdc;
INT w;
INT h;
HBITMAP hbitmap;
HDC hdc2;
SETCLIPBDATA scd = {FALSE, FALSE};
UserOpenClipboard(UserHMGetHandle(pWnd));
UserEmptyClipboard();
hdc = UserGetWindowDC(pWnd);
IntGetWindowRect(pWnd, &rect);
w = rect.right - rect.left;
h = rect.bottom - rect.top;
hbitmap = NtGdiCreateCompatibleBitmap(hdc, w, h);
hdc2 = NtGdiCreateCompatibleDC(hdc);
NtGdiSelectBitmap(hdc2, hbitmap);
NtGdiBitBlt(hdc2, 0, 0, w, h, hdc, 0, 0, SRCCOPY, 0, 0);
UserSetClipboardData(CF_BITMAP, hbitmap, &scd);
UserReleaseDC(pWnd, hdc, FALSE);
UserReleaseDC(pWnd, hdc2, FALSE);
UserCloseClipboard();
}
/*
Win32k counterpart of User DefWindowProc
*/
LRESULT FASTCALL
IntDefWindowProc(
PWND Wnd,
UINT Msg,
WPARAM wParam,
LPARAM lParam,
BOOL Ansi)
{
PTHREADINFO pti = PsGetCurrentThreadWin32Thread();
LRESULT lResult = 0;
USER_REFERENCE_ENTRY Ref;
BOOL IsTaskBar;
DWORD Style;
DWORD ExStyle;
if (Msg > WM_USER) return 0;
switch (Msg)
{
case WM_DEVICECHANGE:
return TRUE;
case WM_GETTEXTLENGTH:
{
PWSTR buf;
ULONG len;
if (Wnd != NULL && Wnd->strName.Length != 0)
{
buf = Wnd->strName.Buffer;
if (buf != NULL &&
NT_SUCCESS(RtlUnicodeToMultiByteSize(&len,
buf,
Wnd->strName.Length)))
{
lResult = (LRESULT) (Wnd->strName.Length / sizeof(WCHAR));
}
}
else lResult = 0L;
break;
}
case WM_GETTEXT: // FIXME: Handle Ansi
{
PWSTR buf = NULL;
PWSTR outbuf = (PWSTR)lParam;
if (Wnd != NULL && wParam != 0)
{
if (Wnd->strName.Buffer != NULL)
buf = Wnd->strName.Buffer;
else
outbuf[0] = L'\0';
if (buf != NULL)
{
if (Wnd->strName.Length != 0)
{
lResult = min(Wnd->strName.Length / sizeof(WCHAR), wParam - 1);
RtlCopyMemory(outbuf,
buf,
lResult * sizeof(WCHAR));
outbuf[lResult] = L'\0';
}
else
outbuf[0] = L'\0';
}
}
break;
}
case WM_SETTEXT: // FIXME: Handle Ansi
{
DefSetText(Wnd, (PCWSTR)lParam);
if ((Wnd->style & WS_CAPTION) == WS_CAPTION)
UserPaintCaption(Wnd, DC_TEXT);
IntNotifyWinEvent(EVENT_OBJECT_NAMECHANGE, Wnd, OBJID_WINDOW, CHILDID_SELF, 0);
lResult = 1;
break;
}
case WM_SYSCOMMAND:
{
TRACE("hwnd %p WM_SYSCOMMAND %lx %lx\n", Wnd->head.h, wParam, lParam );
lResult = DefWndHandleSysCommand(Wnd, wParam, lParam);
break;
}
case WM_SHOWWINDOW:
{
if ((Wnd->style & WS_VISIBLE) && wParam) break;
if (!(Wnd->style & WS_VISIBLE) && !wParam) break;
if (!Wnd->spwndOwner) break;
if (LOWORD(lParam))
{
co_WinPosShowWindow(Wnd, wParam ? SW_SHOWNOACTIVATE : SW_HIDE);
}
break;
}
case WM_CLIENTSHUTDOWN:
return IntClientShutdown(Wnd, wParam, lParam);
case WM_APPCOMMAND:
if ( (Wnd->style & (WS_POPUP|WS_CHILD)) != WS_CHILD &&
Wnd != co_GetDesktopWindow(Wnd) )
{
if (!co_HOOK_CallHooks(WH_SHELL, HSHELL_APPCOMMAND, wParam, lParam))
co_IntShellHookNotify(HSHELL_APPCOMMAND, wParam, lParam);
break;
}
UserRefObjectCo(Wnd->spwndParent, &Ref);
lResult = co_IntSendMessage(UserHMGetHandle(Wnd->spwndParent), WM_APPCOMMAND, wParam, lParam);
UserDerefObjectCo(Wnd->spwndParent);
break;
case WM_KEYF1:
{
HELPINFO hi;
HMENU hMenu = UlongToHandle(Wnd->IDMenu);
PWND pwndActive = MENU_IsMenuActive();
hi.cbSize = sizeof(HELPINFO);
hi.MousePos = gpsi->ptCursor;
hi.iContextType = HELPINFO_MENUITEM;
hi.hItemHandle = pwndActive ? UserHMGetHandle(pwndActive) : UserHMGetHandle(Wnd);
hi.iCtrlId = (Wnd->style & (WS_POPUP|WS_CHILD)) == WS_CHILD ? IntMenuItemFromPoint(Wnd, hMenu, hi.MousePos) : 0;
hi.dwContextId = IntGetWindowContextHelpId(Wnd);
co_IntSendMessage( UserHMGetHandle(Wnd), WM_HELP, 0, (LPARAM)&hi );
break;
}
case WM_SETICON:
{
return DefWndSetIcon(Wnd, wParam, lParam);
}
case WM_GETICON:
{
return DefWndGetIcon(Wnd, wParam, lParam);
}
case WM_HELP:
{
PWND Parent = IntGetParent(Wnd);
co_IntSendMessage(UserHMGetHandle(Parent), Msg, wParam, lParam);
break;
}
case WM_LBUTTONDOWN:
case WM_RBUTTONDOWN:
case WM_MBUTTONDOWN:
pti->MessageQueue->QF_flags &= ~(QF_FMENUSTATUS|QF_FMENUSTATUSBREAK);
break;
case WM_NCLBUTTONDOWN:
return NC_HandleNCLButtonDown(Wnd, wParam, lParam);
case WM_NCRBUTTONDOWN:
return NC_HandleNCRButtonDown(Wnd, wParam, lParam);
case WM_LBUTTONDBLCLK:
return NC_HandleNCLButtonDblClk(Wnd, HTCLIENT, lParam);
case WM_NCLBUTTONDBLCLK:
return NC_HandleNCLButtonDblClk(Wnd, wParam, lParam);
case WM_RBUTTONUP:
{
POINT Pt;
Pt.x = GET_X_LPARAM(lParam);
Pt.y = GET_Y_LPARAM(lParam);
IntClientToScreen(Wnd, &Pt);
lParam = MAKELPARAM(Pt.x, Pt.y);
co_IntSendMessage(UserHMGetHandle(Wnd), WM_CONTEXTMENU, (WPARAM)UserHMGetHandle(Wnd), lParam);
break;
}
case WM_NCRBUTTONUP:
/*
* FIXME : we must NOT send WM_CONTEXTMENU on a WM_NCRBUTTONUP (checked
* in Windows), but what _should_ we do? According to MSDN :
* "If it is appropriate to do so, the system sends the WM_SYSCOMMAND
* message to the window". When is it appropriate?
*/
ERR("WM_NCRBUTTONUP\n");
break;
case WM_XBUTTONUP:
case WM_NCXBUTTONUP:
if (HIWORD(wParam) == XBUTTON1 || HIWORD(wParam) == XBUTTON2)
{
co_IntSendMessage(UserHMGetHandle(Wnd), WM_APPCOMMAND, (WPARAM)UserHMGetHandle(Wnd),
MAKELPARAM(LOWORD(wParam), FAPPCOMMAND_MOUSE | HIWORD(wParam)));
}
break;
case WM_CONTEXTMENU:
{
if (Wnd->style & WS_CHILD)
{
co_IntSendMessage(UserHMGetHandle(IntGetParent(Wnd)), Msg, wParam, lParam);
}
else
{
POINT Pt;
LONG_PTR Style;
LONG HitCode;
Style = Wnd->style;
Pt.x = GET_X_LPARAM(lParam);
Pt.y = GET_Y_LPARAM(lParam);
if (Style & WS_CHILD)
{
IntScreenToClient(IntGetParent(Wnd), &Pt);
}
HitCode = GetNCHitEx(Wnd, Pt);
if (HitCode == HTCAPTION || HitCode == HTSYSMENU)
{
PMENU SystemMenu;
UINT Flags;
if((SystemMenu = IntGetSystemMenu(Wnd, FALSE)))
{
MENU_InitSysMenuPopup(SystemMenu, Wnd->style, Wnd->pcls->style, HitCode);
if(HitCode == HTCAPTION)
Flags = TPM_LEFTBUTTON | TPM_RIGHTBUTTON;
else
Flags = TPM_LEFTBUTTON;
IntTrackPopupMenuEx(SystemMenu, Flags|TPM_SYSTEM_MENU, Pt.x, Pt.y, Wnd, NULL);
}
}
if (HitCode == HTHSCROLL || HitCode == HTVSCROLL)
{
WARN("Scroll Menu Not Supported\n");
}
}
break;
}
case WM_KEYDOWN:
if (wParam == VK_F10)
{
pti->MessageQueue->QF_flags |= QF_FF10STATUS;
if (UserGetKeyState(VK_SHIFT) & 0x8000)
{
co_IntSendMessage(UserHMGetHandle(Wnd), WM_CONTEXTMENU, (WPARAM)UserHMGetHandle(Wnd), MAKELPARAM(-1, -1));
}
}
if (IS_KEY_DOWN(gafAsyncKeyState, VK_LWIN) || IS_KEY_DOWN(gafAsyncKeyState, VK_RWIN))
{
HWND hwndTop = UserGetForegroundWindow();
PWND topWnd = UserGetWindowObject(hwndTop);
/* Test for typical TaskBar ExStyle Values */
ExStyle = (topWnd->ExStyle & WS_EX_TOOLWINDOW);
TRACE("ExStyle is '%x'.\n", ExStyle);
/* Test for typical TaskBar Style Values */
Style = (topWnd->style & (WS_POPUP | WS_VISIBLE |
WS_CLIPSIBLINGS | WS_CLIPCHILDREN));
TRACE("Style is '%x'.\n", Style);
/* Test for masked typical TaskBar Style and ExStyles to detect TaskBar */
IsTaskBar = (Style == (WS_POPUP | WS_VISIBLE | WS_CLIPSIBLINGS | WS_CLIPCHILDREN))
&& (ExStyle == WS_EX_TOOLWINDOW);
TRACE("This %s the TaskBar.\n", IsTaskBar ? "is" : "is not");
if (topWnd && !IsTaskBar) /* Second test is so we are not touching the Taskbar */
{
if ((topWnd->style & WS_THICKFRAME) == 0)
{
return 0;
}
if (wParam == VK_DOWN)
{
if (topWnd->style & WS_MAXIMIZE)
{
co_IntSendMessage(hwndTop, WM_SYSCOMMAND, SC_RESTORE, lParam);
/* "Normal size" must be erased after restoring, otherwise it will block next side snap actions */
RECTL_vSetEmptyRect(&topWnd->InternalPos.NormalRect);
}
else
{
co_IntSendMessage(hwndTop, WM_SYSCOMMAND, SC_MINIMIZE, lParam);
}
}
else if (wParam == VK_UP)
{
RECT currentRect;
if ((topWnd->InternalPos.NormalRect.right == topWnd->InternalPos.NormalRect.left) ||
(topWnd->InternalPos.NormalRect.top == topWnd->InternalPos.NormalRect.bottom))
{
currentRect = topWnd->rcWindow;
}
else
{
currentRect = topWnd->InternalPos.NormalRect;
}
co_IntSendMessage(hwndTop, WM_SYSCOMMAND, SC_MAXIMIZE, 0);
// save normal rect if maximazing snapped window
topWnd->InternalPos.NormalRect = currentRect;
}
else if (wParam == VK_LEFT || wParam == VK_RIGHT)
{
RECT snapRect, normalRect, windowRect;
BOOL snapped;
normalRect = topWnd->InternalPos.NormalRect;
snapped = (normalRect.left != 0 && normalRect.right != 0 &&
normalRect.top != 0 && normalRect.bottom != 0);
if (topWnd->style & WS_MAXIMIZE)
{
co_IntSendMessage(hwndTop, WM_SYSCOMMAND, SC_RESTORE, lParam);
snapped = FALSE;
}
windowRect = topWnd->rcWindow;
UserSystemParametersInfo(SPI_GETWORKAREA, 0, &snapRect, 0);
if (wParam == VK_LEFT)
{
snapRect.right = (snapRect.left + snapRect.right) / 2;
}
else // VK_RIGHT
{
snapRect.left = (snapRect.left + snapRect.right) / 2;
}
if (snapped)
{
// if window was snapped but moved to other location - restore normal size
if (!IntEqualRect(&snapRect, &windowRect))
{
RECT empty = {0, 0, 0, 0};
co_WinPosSetWindowPos(topWnd,
0,
normalRect.left,
normalRect.top,
normalRect.right - normalRect.left,
normalRect.bottom - normalRect.top,
0);
topWnd->InternalPos.NormalRect = empty;
}
}
else
{
co_WinPosSetWindowPos(topWnd,
0,
snapRect.left,
snapRect.top,
snapRect.right - snapRect.left,
snapRect.bottom - snapRect.top,
0);
topWnd->InternalPos.NormalRect = windowRect;
}
}
}
}
break;
case WM_SYSKEYDOWN:
{
if (HIWORD(lParam) & KF_ALTDOWN)
{ /* Previous state, if the key was down before this message,
this is a cheap way to ignore autorepeat keys. */
if ( !(HIWORD(lParam) & KF_REPEAT) )
{
if ( ( wParam == VK_MENU ||
wParam == VK_LMENU ||
wParam == VK_RMENU ) && !(pti->MessageQueue->QF_flags & QF_FMENUSTATUS)) //iMenuSysKey )
pti->MessageQueue->QF_flags |= QF_FMENUSTATUS; //iMenuSysKey = 1;
else
pti->MessageQueue->QF_flags &= ~QF_FMENUSTATUS; //iMenuSysKey = 0;
}
pti->MessageQueue->QF_flags &= ~QF_FF10STATUS; //iF10Key = 0;
if (wParam == VK_F4) /* Try to close the window */
{
PWND top = UserGetAncestor(Wnd, GA_ROOT);
if (!(top->style & CS_NOCLOSE))
UserPostMessage(UserHMGetHandle(top), WM_SYSCOMMAND, SC_CLOSE, 0);
}
else if (wParam == VK_SNAPSHOT) // Alt-VK_SNAPSHOT?
{
PWND pwnd = Wnd;
while (IntGetParent(pwnd) != NULL)
{
pwnd = IntGetParent(pwnd);
}
ERR("DefWndScreenshot\n");
DefWndScreenshot(pwnd);
}
else if ( wParam == VK_ESCAPE || wParam == VK_TAB ) // Alt-Tab/ESC Alt-Shift-Tab/ESC
{
WPARAM wParamTmp;
HWND Active = UserGetActiveWindow(); // Noticed MDI problem.
if (!Active)
{
FIXME("WM_SYSKEYDOWN VK_ESCAPE no active\n");
break;
}
wParamTmp = UserGetKeyState(VK_SHIFT) & 0x8000 ? SC_PREVWINDOW : SC_NEXTWINDOW;
co_IntSendMessage( Active, WM_SYSCOMMAND, wParamTmp, wParam );
}
}
else if( wParam == VK_F10 )
{
if (UserGetKeyState(VK_SHIFT) & 0x8000)
co_IntSendMessage( UserHMGetHandle(Wnd), WM_CONTEXTMENU, (WPARAM)UserHMGetHandle(Wnd), MAKELPARAM(-1, -1) );
pti->MessageQueue->QF_flags |= QF_FF10STATUS; //iF10Key = 1;
}
else if( wParam == VK_ESCAPE && (UserGetKeyState(VK_SHIFT) & 0x8000))
co_IntSendMessage( UserHMGetHandle(Wnd), WM_SYSCOMMAND, SC_KEYMENU, ' ' );
break;
}
case WM_KEYUP:
case WM_SYSKEYUP:
{
/* Press and release F10 or ALT */
if (((wParam == VK_MENU || wParam == VK_LMENU || wParam == VK_RMENU)
&& (pti->MessageQueue->QF_flags & (QF_FMENUSTATUS|QF_FMENUSTATUSBREAK)) == QF_FMENUSTATUS /*iMenuSysKey*/) ||
((wParam == VK_F10) && pti->MessageQueue->QF_flags & QF_FF10STATUS /*iF10Key*/))
co_IntSendMessage( UserHMGetHandle(UserGetAncestor( Wnd, GA_ROOT )), WM_SYSCOMMAND, SC_KEYMENU, 0L );
pti->MessageQueue->QF_flags &= ~(QF_FMENUSTATUS|QF_FMENUSTATUSBREAK|QF_FF10STATUS); //iMenuSysKey = iF10Key = 0;
break;
}
case WM_SYSCHAR:
{
pti->MessageQueue->QF_flags &= ~(QF_FMENUSTATUS|QF_FMENUSTATUSBREAK); //iMenuSysKey = 0;
if (wParam == VK_RETURN && (Wnd->style & WS_MINIMIZE) != 0)
{
UserPostMessage( UserHMGetHandle(Wnd), WM_SYSCOMMAND, SC_RESTORE, 0L );
break;
}
if ((HIWORD(lParam) & KF_ALTDOWN) && wParam)
{
if (wParam == VK_TAB || wParam == VK_ESCAPE) break;
if (wParam == VK_SPACE && Wnd->style & WS_CHILD)
co_IntSendMessage( UserHMGetHandle(IntGetParent(Wnd)), Msg, wParam, lParam );
else
co_IntSendMessage( UserHMGetHandle(Wnd), WM_SYSCOMMAND, SC_KEYMENU, wParam );
}
else /* check for Ctrl-Esc */
if (wParam != VK_ESCAPE) UserPostMessage(hwndSAS, WM_LOGONNOTIFY, LN_MESSAGE_BEEP, 0); //MessageBeep(0);
break;
}
case WM_CANCELMODE:
{
pti->MessageQueue->QF_flags &= ~(QF_FMENUSTATUS|QF_FMENUSTATUSBREAK);
MENU_EndMenu( Wnd );
if (IntGetCaptureWindow() == UserHMGetHandle(Wnd))
{
IntReleaseCapture();
}
break;
}
case WM_CLOSE:
co_UserDestroyWindow(Wnd);
break;
case WM_CTLCOLORMSGBOX:
case WM_CTLCOLOREDIT:
case WM_CTLCOLORLISTBOX:
case WM_CTLCOLORBTN:
case WM_CTLCOLORDLG:
case WM_CTLCOLORSTATIC:
case WM_CTLCOLORSCROLLBAR:
return (LRESULT) DefWndControlColor((HDC)wParam, Msg - WM_CTLCOLORMSGBOX);
case WM_CTLCOLOR:
return (LRESULT) DefWndControlColor((HDC)wParam, HIWORD(lParam));
case WM_SETCURSOR:
{
if (Wnd->style & WS_CHILD)
{
/* with the exception of the border around a resizable wnd,
* give the parent first chance to set the cursor */
if (LOWORD(lParam) < HTLEFT || LOWORD(lParam) > HTBOTTOMRIGHT)
{
PWND parent = Wnd->spwndParent;//IntGetParent( Wnd );
if (parent != UserGetDesktopWindow() &&
co_IntSendMessage( UserHMGetHandle(parent), WM_SETCURSOR, wParam, lParam))
return TRUE;
}
}
return DefWndHandleSetCursor(Wnd, wParam, lParam);
}
case WM_MOUSEACTIVATE:
if (Wnd->style & WS_CHILD)
{
LONG Ret;
HWND hwndParent;
PWND pwndParent = IntGetParent(Wnd);
hwndParent = pwndParent ? UserHMGetHandle(pwndParent) : NULL;
if (hwndParent) Ret = co_IntSendMessage(hwndParent, WM_MOUSEACTIVATE, wParam, lParam);
if (Ret) return (Ret);
}
return ( (HIWORD(lParam) == WM_LBUTTONDOWN && LOWORD(lParam) == HTCAPTION) ? MA_NOACTIVATE : MA_ACTIVATE );
case WM_ACTIVATE:
/* The default action in Windows is to set the keyboard focus to
* the window, if it's being activated and not minimized */
if (LOWORD(wParam) != WA_INACTIVE &&
!(Wnd->style & WS_MINIMIZE))
{
//ERR("WM_ACTIVATE %p\n",hWnd);
co_UserSetFocus(Wnd);
}
break;
case WM_MOUSEWHEEL:
if (Wnd->style & WS_CHILD)
{
HWND hwndParent;
PWND pwndParent = IntGetParent(Wnd);
hwndParent = pwndParent ? UserHMGetHandle(pwndParent) : NULL;
return co_IntSendMessage( hwndParent, WM_MOUSEWHEEL, wParam, lParam);
}
break;
case WM_ERASEBKGND:
case WM_ICONERASEBKGND:
{
RECT Rect;
HBRUSH hBrush = Wnd->pcls->hbrBackground;
if (!hBrush) return 0;
if (hBrush <= (HBRUSH)COLOR_MENUBAR)
{
hBrush = IntGetSysColorBrush(HandleToUlong(hBrush));
}
if (Wnd->pcls->style & CS_PARENTDC)
{
/* can't use GetClipBox with a parent DC or we fill the whole parent */
IntGetClientRect(Wnd, &Rect);
GreDPtoLP((HDC)wParam, (LPPOINT)&Rect, 2);
}
else
{
GdiGetClipBox((HDC)wParam, &Rect);
}
FillRect((HDC)wParam, &Rect, hBrush);
return (1);
}
case WM_GETHOTKEY:
//ERR("WM_GETHOTKEY\n");
return DefWndGetHotKey(Wnd);
case WM_SETHOTKEY:
//ERR("WM_SETHOTKEY\n");
return DefWndSetHotKey(Wnd, wParam);
case WM_NCHITTEST:
{
POINT Point;
Point.x = GET_X_LPARAM(lParam);
Point.y = GET_Y_LPARAM(lParam);
return GetNCHitEx(Wnd, Point);
}
case WM_PRINT:
{
DefWndPrint(Wnd, (HDC)wParam, lParam);
return (0);
}
case WM_SYSCOLORCHANGE:
{
/* force to redraw non-client area */
UserPaintCaption(Wnd, DC_NC);
/* Use InvalidateRect to redraw client area, enable
* erase to redraw all subcontrols otherwise send the
* WM_SYSCOLORCHANGE to child windows/controls is required
*/
co_UserRedrawWindow( Wnd, NULL, NULL, RDW_ALLCHILDREN|RDW_INVALIDATE|RDW_ERASE);
return (0);
}
case WM_PAINTICON:
case WM_PAINT:
{
PAINTSTRUCT Ps;
HDC hDC;
/* If already in Paint and Client area is not empty just return. */
if (Wnd->state2 & WNDS2_STARTPAINT && !RECTL_bIsEmptyRect(&Wnd->rcClient))
{
ERR("In Paint and Client area is not empty!\n");
return 0;
}
hDC = IntBeginPaint(Wnd, &Ps);
if (hDC)
{
if (((Wnd->style & WS_MINIMIZE) != 0) && (Wnd->pcls->spicn))
{
RECT ClientRect;
INT x, y;
ERR("Doing Paint and Client area is empty!\n");
IntGetClientRect(Wnd, &ClientRect);
x = (ClientRect.right - ClientRect.left - UserGetSystemMetrics(SM_CXICON)) / 2;
y = (ClientRect.bottom - ClientRect.top - UserGetSystemMetrics(SM_CYICON)) / 2;
UserReferenceObject(Wnd->pcls->spicn);
UserDrawIconEx(hDC, x, y, Wnd->pcls->spicn, 0, 0, 0, 0, DI_NORMAL | DI_COMPAT | DI_DEFAULTSIZE);
UserDereferenceObject(Wnd->pcls->spicn);
}
IntEndPaint(Wnd, &Ps);
}
return (0);
}
case WM_SYNCPAINT:
{
HRGN hRgn;
Wnd->state &= ~WNDS_SYNCPAINTPENDING;
TRACE("WM_SYNCPAINT\n");
hRgn = NtGdiCreateRectRgn(0, 0, 0, 0);
if (hRgn)
{
if (co_UserGetUpdateRgn(Wnd, hRgn, FALSE) != NULLREGION)
{
PREGION pRgn = REGION_LockRgn(hRgn);
if (pRgn) REGION_UnlockRgn(pRgn);
if (!wParam)
wParam = (RDW_ERASENOW | RDW_ERASE | RDW_FRAME | RDW_ALLCHILDREN);
co_UserRedrawWindow(Wnd, NULL, pRgn, wParam);
}
GreDeleteObject(hRgn);
}
return 0;
}
case WM_SETREDRAW:
if (wParam)
{
if (!(Wnd->style & WS_VISIBLE))
{
IntSetStyle( Wnd, WS_VISIBLE, 0 );
Wnd->state |= WNDS_SENDNCPAINT;
}
}
else
{
if (Wnd->style & WS_VISIBLE)
{
co_UserRedrawWindow( Wnd, NULL, NULL, RDW_ALLCHILDREN | RDW_VALIDATE );
IntSetStyle( Wnd, 0, WS_VISIBLE );
}
}
return 0;
case WM_WINDOWPOSCHANGING:
{
return (DefWndHandleWindowPosChanging(Wnd, (WINDOWPOS*)lParam));
}
case WM_WINDOWPOSCHANGED:
{
return (DefWndHandleWindowPosChanged(Wnd, (WINDOWPOS*)lParam));
}
case WM_NCCALCSIZE:
{
return NC_HandleNCCalcSize( Wnd, wParam, (RECTL *)lParam, FALSE );
}
case WM_NCACTIVATE:
{
return NC_HandleNCActivate( Wnd, wParam, lParam );
}
//
// NC Paint mode.
//
case WM_NCPAINT:
{
HDC hDC = UserGetDCEx(Wnd, (HRGN)wParam, DCX_WINDOW | DCX_INTERSECTRGN | DCX_USESTYLE | DCX_KEEPCLIPRGN);
Wnd->state |= WNDS_FORCEMENUDRAW;
NC_DoNCPaint(Wnd, hDC, -1);
Wnd->state &= ~WNDS_FORCEMENUDRAW;
UserReleaseDC(Wnd, hDC, FALSE);
return 0;
}
//
// Draw Caption mode.
//
// wParam are DC_* flags.
//
case WM_NCUAHDRAWCAPTION:
{
HDC hDC = UserGetDCEx(Wnd, NULL, DCX_WINDOW|DCX_USESTYLE);
TRACE("WM_NCUAHDRAWCAPTION: wParam DC_ flags %08x\n",wParam);
UserDrawCaptionBar(Wnd, hDC, wParam | DC_FRAME); // Include DC_FRAME to comp for drawing glitch.
UserReleaseDC(Wnd, hDC, FALSE);
return 0;
}
//
// Draw Frame mode.
//
// wParam is HDC, lParam are DC_ACTIVE and or DC_REDRAWHUNGWND.
//
case WM_NCUAHDRAWFRAME:
{
TRACE("WM_NCUAHDRAWFRAME: wParam hDC %p lParam DC_ flags %08x\n",wParam,lParam);
NC_DoNCPaint(Wnd, (HDC)wParam, lParam|DC_NC);
return 0;
}
/* ReactOS only. */
case WM_CBT:
{
switch (wParam)
{
case HCBT_MOVESIZE:
{
RECTL rt;
if (lParam)
{
_SEH2_TRY
{
ProbeForRead((PVOID)lParam,
sizeof(RECT),
1);
RtlCopyMemory(&rt,
(PVOID)lParam,
sizeof(RECT));
}
_SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
{
lResult = 1;
}
_SEH2_END;
}
if (!lResult)
lResult = co_HOOK_CallHooks(WH_CBT, HCBT_MOVESIZE, (WPARAM)Wnd->head.h, lParam ? (LPARAM)&rt : 0);
}
break;
}
break;
}
break;
}
return lResult;
}
/* EOF */