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Sweden-Number/windows/winpos.c

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/*
* Window position related functions.
*
* Copyright 1993, 1994, 1995 Alexandre Julliard
* 1995,1996 Alex Korobka
*/
#include "sysmetrics.h"
#include "selectors.h"
#include "user.h"
#include "win.h"
#include "event.h"
#include "hook.h"
#include "message.h"
#include "stackframe.h"
#include "winpos.h"
#include "nonclient.h"
#include "stddebug.h"
/* #define DEBUG_WIN */
#include "debug.h"
/* ----- external functions ----- */
void FOCUS_SwitchFocus( HWND , HWND );
/* ----- internal variables ----- */
static HWND hwndActive = 0; /* Currently active window */
static HWND hwndPrevActive = 0; /* Previously active window */
/***********************************************************************
* WINPOS_FindIconPos
*
* Find a suitable place for an iconic window.
* The new position is stored into wndPtr->ptIconPos.
*/
void WINPOS_FindIconPos( HWND hwnd )
{
RECT rectParent;
short x, y, xspacing, yspacing;
WND * wndPtr = WIN_FindWndPtr( hwnd );
if (!wndPtr) return;
GetClientRect( wndPtr->hwndParent, &rectParent );
if ((wndPtr->ptIconPos.x >= rectParent.left) &&
(wndPtr->ptIconPos.x + SYSMETRICS_CXICON < rectParent.right) &&
(wndPtr->ptIconPos.y >= rectParent.top) &&
(wndPtr->ptIconPos.y + SYSMETRICS_CYICON < rectParent.bottom))
return; /* The icon already has a suitable position */
xspacing = yspacing = 70; /* FIXME: This should come from WIN.INI */
y = rectParent.bottom;
for (;;)
{
for (x = rectParent.left; x<=rectParent.right-xspacing; x += xspacing)
{
/* Check if another icon already occupies this spot */
HWND hwndChild = GetWindow( wndPtr->hwndParent, GW_CHILD );
while (hwndChild)
{
WND *childPtr = WIN_FindWndPtr( hwndChild );
if ((childPtr->dwStyle & WS_MINIMIZE) && (hwndChild != hwnd))
{
if ((childPtr->rectWindow.left < x + xspacing) &&
(childPtr->rectWindow.right >= x) &&
(childPtr->rectWindow.top <= y) &&
(childPtr->rectWindow.bottom > y - yspacing))
break; /* There's a window in there */
}
hwndChild = childPtr->hwndNext;
}
if (!hwndChild)
{
/* No window was found, so it's OK for us */
wndPtr->ptIconPos.x = x + (xspacing - SYSMETRICS_CXICON) / 2;
wndPtr->ptIconPos.y = y - (yspacing + SYSMETRICS_CYICON) / 2;
return;
}
}
y -= yspacing;
}
}
/***********************************************************************
* ArrangeIconicWindows (USER.170)
*/
UINT ArrangeIconicWindows( HWND parent )
{
RECT rectParent;
HWND hwndChild;
INT x, y, xspacing, yspacing;
GetClientRect( parent, &rectParent );
x = rectParent.left;
y = rectParent.bottom;
xspacing = yspacing = 70; /* FIXME: This should come from WIN.INI */
hwndChild = GetWindow( parent, GW_CHILD );
while (hwndChild)
{
if (IsIconic( hwndChild ))
{
SetWindowPos( hwndChild, 0, x + (xspacing - SYSMETRICS_CXICON) / 2,
y - (yspacing + SYSMETRICS_CYICON) / 2, 0, 0,
SWP_NOSIZE | SWP_NOZORDER | SWP_NOACTIVATE );
if (x <= rectParent.right - xspacing) x += xspacing;
else
{
x = rectParent.left;
y -= yspacing;
}
}
hwndChild = GetWindow( hwndChild, GW_HWNDNEXT );
}
return yspacing;
}
/***********************************************************************
* GetWindowRect (USER.32)
*/
void GetWindowRect( HWND hwnd, LPRECT rect )
{
WND * wndPtr = WIN_FindWndPtr( hwnd );
if (!wndPtr) return;
*rect = wndPtr->rectWindow;
if (wndPtr->dwStyle & WS_CHILD)
MapWindowPoints( wndPtr->hwndParent, 0, (POINT *)rect, 2 );
}
/***********************************************************************
* GetClientRect (USER.33)
*/
void GetClientRect( HWND hwnd, LPRECT rect )
{
WND * wndPtr = WIN_FindWndPtr( hwnd );
rect->left = rect->top = rect->right = rect->bottom = 0;
if (wndPtr)
{
rect->right = wndPtr->rectClient.right - wndPtr->rectClient.left;
rect->bottom = wndPtr->rectClient.bottom - wndPtr->rectClient.top;
}
}
/*******************************************************************
* ClientToScreen (USER.28)
*/
BOOL ClientToScreen( HWND hwnd, LPPOINT lppnt )
{
MapWindowPoints( hwnd, 0, lppnt, 1 );
return TRUE;
}
/*******************************************************************
* ScreenToClient (USER.29)
*/
void ScreenToClient( HWND hwnd, LPPOINT lppnt )
{
MapWindowPoints( 0, hwnd, lppnt, 1 );
}
/***********************************************************************
* WINPOS_WindowFromPoint
*
* Find the window and hittest for a given point.
*/
INT WINPOS_WindowFromPoint( POINT pt, HWND *phwnd )
{
WND *wndPtr;
HWND hwnd;
INT hittest = HTERROR;
INT x, y;
*phwnd = 0;
x = pt.x;
y = pt.y;
hwnd = GetWindow( GetDesktopWindow(), GW_CHILD );
for (;;)
{
while (hwnd)
{
/* If point is in window, and window is visible, and it */
/* is enabled (or it's a top-level window), then explore */
/* its children. Otherwise, go to the next window. */
wndPtr = WIN_FindWndPtr( hwnd );
if ((wndPtr->dwStyle & WS_VISIBLE) &&
(!(wndPtr->dwStyle & WS_DISABLED) ||
((wndPtr->dwStyle & (WS_POPUP | WS_CHILD)) != WS_CHILD)) &&
(x >= wndPtr->rectWindow.left) &&
(x < wndPtr->rectWindow.right) &&
(y >= wndPtr->rectWindow.top) &&
(y < wndPtr->rectWindow.bottom))
{
*phwnd = hwnd; /* Got a suitable window */
/* If window is minimized or disabled, return at once */
if (wndPtr->dwStyle & WS_MINIMIZE) return HTCAPTION;
if (wndPtr->dwStyle & WS_DISABLED) return HTERROR;
/* If point is not in client area, ignore the children */
if ((x < wndPtr->rectClient.left) ||
(x >= wndPtr->rectClient.right) ||
(y < wndPtr->rectClient.top) ||
(y >= wndPtr->rectClient.bottom)) break;
x -= wndPtr->rectClient.left;
y -= wndPtr->rectClient.top;
hwnd = wndPtr->hwndChild;
}
else hwnd = wndPtr->hwndNext;
}
/* If nothing found, return the desktop window */
if (!*phwnd)
{
*phwnd = GetDesktopWindow();
return HTCLIENT;
}
wndPtr = WIN_FindWndPtr( *phwnd );
/* Send the WM_NCHITTEST message (only if to the same task) */
if (wndPtr->hmemTaskQ != GetTaskQueue(0)) return HTCLIENT;
hittest = (INT)SendMessage( *phwnd, WM_NCHITTEST, 0,
MAKELONG( pt.x, pt.y ) );
if (hittest != HTTRANSPARENT) return hittest; /* Found the window */
/* If no children found in last search, make point relative to parent*/
if (!hwnd)
{
x += wndPtr->rectClient.left;
y += wndPtr->rectClient.top;
}
/* Restart the search from the next sibling */
hwnd = wndPtr->hwndNext;
*phwnd = wndPtr->hwndParent;
}
}
/*******************************************************************
* WindowFromPoint (USER.30)
*/
HWND WindowFromPoint( POINT pt )
{
HWND hwnd;
WINPOS_WindowFromPoint( pt, &hwnd );
return hwnd;
}
/*******************************************************************
* ChildWindowFromPoint (USER.191)
*/
HWND ChildWindowFromPoint( HWND hwndParent, POINT pt )
{
RECT rect;
HWND hwnd;
GetWindowRect( hwndParent, &rect );
if (!PtInRect( &rect, pt )) return 0;
hwnd = GetTopWindow( hwndParent );
while (hwnd)
{
GetWindowRect( hwnd, &rect );
if (PtInRect( &rect, pt )) return hwnd;
hwnd = GetWindow( hwnd, GW_HWNDNEXT );
}
return hwndParent;
}
/*******************************************************************
* MapWindowPoints (USER.258)
*/
void MapWindowPoints( HWND hwndFrom, HWND hwndTo, LPPOINT lppt, WORD count )
{
WND * wndPtr;
POINT * curpt;
POINT origin = { 0, 0 };
WORD i;
if( hwndFrom == hwndTo ) return;
/* Translate source window origin to screen coords */
while(hwndFrom)
{
if (!(wndPtr = WIN_FindWndPtr( hwndFrom )))
{
fprintf( stderr, "MapWindowPoints: bad hwndFrom = "NPFMT"\n",
hwndFrom);
return;
}
origin.x += wndPtr->rectClient.left;
origin.y += wndPtr->rectClient.top;
hwndFrom = (wndPtr->dwStyle & WS_CHILD) ? wndPtr->hwndParent : 0;
}
/* Translate origin to destination window coords */
while(hwndTo)
{
if (!(wndPtr = WIN_FindWndPtr( hwndTo )))
{
fprintf(stderr,"MapWindowPoints: bad hwndTo = "NPFMT"\n", hwndTo );
return;
}
origin.x -= wndPtr->rectClient.left;
origin.y -= wndPtr->rectClient.top;
hwndTo = (wndPtr->dwStyle & WS_CHILD) ? wndPtr->hwndParent : 0;
}
/* Translate points */
for (i = 0, curpt = lppt; i < count; i++, curpt++)
{
curpt->x += origin.x;
curpt->y += origin.y;
}
}
/***********************************************************************
* IsIconic (USER.31)
*/
BOOL IsIconic(HWND hWnd)
{
WND * wndPtr = WIN_FindWndPtr(hWnd);
if (wndPtr == NULL) return FALSE;
return (wndPtr->dwStyle & WS_MINIMIZE) != 0;
}
/***********************************************************************
* IsZoomed (USER.272)
*/
BOOL IsZoomed(HWND hWnd)
{
WND * wndPtr = WIN_FindWndPtr(hWnd);
if (wndPtr == NULL) return FALSE;
return (wndPtr->dwStyle & WS_MAXIMIZE) != 0;
}
/*******************************************************************
* GetActiveWindow (USER.60)
*/
HWND GetActiveWindow()
{
return hwndActive;
}
/*******************************************************************
* SetActiveWindow (USER.59)
*/
HWND SetActiveWindow( HWND hwnd )
{
HWND prev = hwndActive;
WND *wndPtr = WIN_FindWndPtr( hwnd );
if (!wndPtr || (wndPtr->dwStyle & WS_DISABLED) ||
!(wndPtr->dwStyle & WS_VISIBLE)) return 0;
WINPOS_SetActiveWindow( hwnd, 0, 0 );
return prev;
}
/***********************************************************************
* BringWindowToTop (USER.45)
*/
BOOL BringWindowToTop( HWND hwnd )
{
return SetWindowPos( hwnd, HWND_TOP, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE );
}
/***********************************************************************
* MoveWindow (USER.56)
*/
BOOL MoveWindow( HWND hwnd, short x, short y, short cx, short cy, BOOL repaint)
{
int flags = SWP_NOZORDER | SWP_NOACTIVATE;
if (!repaint) flags |= SWP_NOREDRAW;
dprintf_win(stddeb, "MoveWindow: "NPFMT" %d,%d %dx%d %d\n",
hwnd, x, y, cx, cy, repaint );
return SetWindowPos( hwnd, 0, x, y, cx, cy, flags );
}
/***********************************************************************
* ShowWindow (USER.42)
*/
BOOL ShowWindow( HWND hwnd, int cmd )
{
WND * wndPtr = WIN_FindWndPtr( hwnd );
BOOL wasVisible;
POINT maxSize;
int swpflags = 0;
short x = 0, y = 0, cx = 0, cy = 0;
if (!wndPtr) return FALSE;
dprintf_win(stddeb,"ShowWindow: hwnd="NPFMT", cmd=%d\n", hwnd, cmd);
wasVisible = (wndPtr->dwStyle & WS_VISIBLE) != 0;
switch(cmd)
{
case SW_HIDE:
swpflags |= SWP_HIDEWINDOW | SWP_NOSIZE | SWP_NOMOVE |
SWP_NOACTIVATE | SWP_NOZORDER;
break;
case SW_SHOWMINNOACTIVE:
swpflags |= SWP_NOACTIVATE | SWP_NOZORDER;
/* fall through */
case SW_SHOWMINIMIZED:
swpflags |= SWP_SHOWWINDOW;
/* fall through */
case SW_MINIMIZE:
swpflags |= SWP_FRAMECHANGED;
if (!(wndPtr->dwStyle & WS_MINIMIZE))
{
if (wndPtr->dwStyle & WS_MAXIMIZE)
{
wndPtr->flags |= WIN_RESTORE_MAX;
wndPtr->dwStyle &= ~WS_MAXIMIZE;
}
else
{
wndPtr->flags &= ~WIN_RESTORE_MAX;
wndPtr->rectNormal = wndPtr->rectWindow;
}
wndPtr->dwStyle |= WS_MINIMIZE;
WINPOS_FindIconPos( hwnd );
x = wndPtr->ptIconPos.x;
y = wndPtr->ptIconPos.y;
cx = SYSMETRICS_CXICON;
cy = SYSMETRICS_CYICON;
}
else swpflags |= SWP_NOSIZE | SWP_NOMOVE;
break;
case SW_SHOWMAXIMIZED: /* same as SW_MAXIMIZE: */
swpflags |= SWP_SHOWWINDOW | SWP_FRAMECHANGED;
if (!(wndPtr->dwStyle & WS_MAXIMIZE))
{
/* Store the current position and find the maximized size */
if (!(wndPtr->dwStyle & WS_MINIMIZE))
wndPtr->rectNormal = wndPtr->rectWindow;
NC_GetMinMaxInfo( hwnd, &maxSize,
&wndPtr->ptMaxPos, NULL, NULL );
x = wndPtr->ptMaxPos.x;
y = wndPtr->ptMaxPos.y;
if( wndPtr->dwStyle & WS_MINIMIZE )
if( !SendMessage( hwnd, WM_QUERYOPEN, 0, 0L ) )
{
swpflags |= SWP_NOSIZE;
break;
}
cx = maxSize.x;
cy = maxSize.y;
wndPtr->dwStyle &= ~WS_MINIMIZE;
wndPtr->dwStyle |= WS_MAXIMIZE;
}
else swpflags |= SWP_NOSIZE | SWP_NOMOVE;
break;
case SW_SHOWNA:
swpflags |= SWP_NOACTIVATE | SWP_NOZORDER;
/* fall through */
case SW_SHOW:
swpflags |= SWP_SHOWWINDOW | SWP_NOSIZE | SWP_NOMOVE;
break;
case SW_SHOWNOACTIVATE:
swpflags |= SWP_NOZORDER;
if (GetActiveWindow()) swpflags |= SWP_NOACTIVATE;
/* fall through */
case SW_SHOWNORMAL: /* same as SW_NORMAL: */
case SW_SHOWDEFAULT: /* FIXME: should have its own handler */
case SW_RESTORE:
swpflags |= SWP_SHOWWINDOW | SWP_FRAMECHANGED;
if (wndPtr->dwStyle & WS_MINIMIZE)
{
if( !SendMessage( hwnd, WM_QUERYOPEN, 0, 0L) )
{
swpflags |= SWP_NOSIZE;
break;
}
wndPtr->ptIconPos.x = wndPtr->rectWindow.left;
wndPtr->ptIconPos.y = wndPtr->rectWindow.top;
wndPtr->dwStyle &= ~WS_MINIMIZE;
if (wndPtr->flags & WIN_RESTORE_MAX)
{
/* Restore to maximized position */
NC_GetMinMaxInfo( hwnd, &maxSize, &wndPtr->ptMaxPos,
NULL, NULL );
x = wndPtr->ptMaxPos.x;
y = wndPtr->ptMaxPos.y;
cx = maxSize.x;
cy = maxSize.y;
wndPtr->dwStyle |= WS_MAXIMIZE;
}
else /* Restore to normal position */
{
x = wndPtr->rectNormal.left;
y = wndPtr->rectNormal.top;
cx = wndPtr->rectNormal.right - wndPtr->rectNormal.left;
cy = wndPtr->rectNormal.bottom - wndPtr->rectNormal.top;
}
}
else if (wndPtr->dwStyle & WS_MAXIMIZE)
{
wndPtr->ptMaxPos.x = wndPtr->rectWindow.left;
wndPtr->ptMaxPos.y = wndPtr->rectWindow.top;
wndPtr->dwStyle &= ~WS_MAXIMIZE;
x = wndPtr->rectNormal.left;
y = wndPtr->rectNormal.top;
cx = wndPtr->rectNormal.right - wndPtr->rectNormal.left;
cy = wndPtr->rectNormal.bottom - wndPtr->rectNormal.top;
}
else swpflags |= SWP_NOSIZE | SWP_NOMOVE;
break;
}
SendMessage( hwnd, WM_SHOWWINDOW, (cmd != SW_HIDE), 0 );
SetWindowPos( hwnd, HWND_TOP, x, y, cx, cy, swpflags );
/* Send WM_SIZE and WM_MOVE messages if not already done */
if (!(wndPtr->flags & WIN_GOT_SIZEMSG))
{
int wParam = SIZE_RESTORED;
if (wndPtr->dwStyle & WS_MAXIMIZE) wParam = SIZE_MAXIMIZED;
else if (wndPtr->dwStyle & WS_MINIMIZE) wParam = SIZE_MINIMIZED;
wndPtr->flags |= WIN_GOT_SIZEMSG;
SendMessage( hwnd, WM_SIZE, wParam,
MAKELONG(wndPtr->rectClient.right-wndPtr->rectClient.left,
wndPtr->rectClient.bottom-wndPtr->rectClient.top));
SendMessage( hwnd, WM_MOVE, 0,
MAKELONG(wndPtr->rectClient.left, wndPtr->rectClient.top) );
}
return wasVisible;
}
/***********************************************************************
* GetInternalWindowPos (USER.460)
*/
WORD GetInternalWindowPos( HWND hwnd, LPRECT rectWnd, LPPOINT ptIcon )
{
WINDOWPLACEMENT wndpl;
if (!GetWindowPlacement( hwnd, &wndpl )) return 0;
if (rectWnd) *rectWnd = wndpl.rcNormalPosition;
if (ptIcon) *ptIcon = wndpl.ptMinPosition;
return wndpl.showCmd;
}
/***********************************************************************
* SetInternalWindowPos (USER.461)
*/
void SetInternalWindowPos( HWND hwnd, WORD showCmd, LPRECT rect, LPPOINT pt )
{
WINDOWPLACEMENT wndpl;
WND *wndPtr = WIN_FindWndPtr( hwnd );
wndpl.length = sizeof(wndpl);
wndpl.flags = (pt != NULL) ? WPF_SETMINPOSITION : 0;
wndpl.showCmd = showCmd;
if (pt) wndpl.ptMinPosition = *pt;
wndpl.rcNormalPosition = (rect != NULL) ? *rect : wndPtr->rectNormal;
wndpl.ptMaxPosition = wndPtr->ptMaxPos;
SetWindowPlacement( hwnd, &wndpl );
}
/***********************************************************************
* GetWindowPlacement (USER.370)
*/
BOOL GetWindowPlacement( HWND hwnd, WINDOWPLACEMENT *wndpl )
{
WND *wndPtr = WIN_FindWndPtr( hwnd );
if (!wndPtr) return FALSE;
wndpl->length = sizeof(*wndpl);
wndpl->flags = 0;
wndpl->showCmd = IsZoomed(hwnd) ? SW_SHOWMAXIMIZED :
(IsIconic(hwnd) ? SW_SHOWMINIMIZED : SW_SHOWNORMAL);
wndpl->ptMinPosition = wndPtr->ptIconPos;
wndpl->ptMaxPosition = wndPtr->ptMaxPos;
wndpl->rcNormalPosition = wndPtr->rectNormal;
return TRUE;
}
/***********************************************************************
* SetWindowPlacement (USER.371)
*/
BOOL SetWindowPlacement( HWND hwnd, WINDOWPLACEMENT *wndpl )
{
WND *wndPtr = WIN_FindWndPtr( hwnd );
if (!wndPtr) return FALSE;
if (wndpl->flags & WPF_SETMINPOSITION)
wndPtr->ptIconPos = wndpl->ptMinPosition;
if ((wndpl->flags & WPF_RESTORETOMAXIMIZED) &&
(wndpl->showCmd == SW_SHOWMINIMIZED)) wndPtr->flags |= WIN_RESTORE_MAX;
wndPtr->ptMaxPos = wndpl->ptMaxPosition;
wndPtr->rectNormal = wndpl->rcNormalPosition;
ShowWindow( hwnd, wndpl->showCmd );
return TRUE;
}
/*******************************************************************
* ACTIVATEAPP_callback
*/
BOOL ACTIVATEAPP_callback(HWND hWnd, LPARAM lParam)
{
ACTIVATESTRUCT *lpActStruct = (ACTIVATESTRUCT*)lParam;
WND *wndPtr = WIN_FindWndPtr( hWnd );
if( !wndPtr || hWnd == GetDesktopWindow()) return 1;
if( MSG_GetQueueTask(wndPtr->hmemTaskQ) != lpActStruct->hTaskSendTo )
return 1;
SendMessage( hWnd, WM_ACTIVATEAPP, lpActStruct->wFlag,
(LPARAM)((lpActStruct->hWindowTask)?lpActStruct->hWindowTask:0));
return 1;
}
/*******************************************************************
* WINPOS_SetActiveWindow
*
* back-end to SetActiveWindow
*/
BOOL WINPOS_SetActiveWindow( HWND hWnd, BOOL fMouse, BOOL fChangeFocus )
{
WND *wndPtr = WIN_FindWndPtr(hWnd);
WND *wndTemp = WIN_FindWndPtr(hwndActive);
CBTACTIVATESTRUCT cbtStruct = { fMouse , hwndActive };
FARPROC enumCallback = (FARPROC)GetWndProcEntry16("ActivateAppProc");
ACTIVATESTRUCT actStruct;
WORD wIconized=0,wRet= 0;
HANDLE hActiveQ = 0;
/* paranoid checks */
if( !hWnd || hWnd == GetDesktopWindow() || hWnd == hwndActive )
return 0;
if( GetTaskQueue(0) != wndPtr->hmemTaskQ )
return 0;
if( wndTemp )
wIconized = HIWORD(wndTemp->dwStyle & WS_MINIMIZE);
else
dprintf_win(stddeb,"WINPOS_ActivateWindow: no current active window.\n");
/* call CBT hook chain */
wRet = HOOK_CallHooks(WH_CBT, HCBT_ACTIVATE, (WPARAM)hWnd,
(LPARAM)MAKE_SEGPTR(&cbtStruct));
if( wRet ) return wRet;
/* set prev active wnd to current active wnd and send notification */
if( (hwndPrevActive = hwndActive) )
{
/* FIXME: need a Win32 translation for WINELIB32 */
if( !SendMessage(hwndPrevActive, WM_NCACTIVATE, 0, MAKELONG(hWnd,wIconized)) )
{
if (GetSysModalWindow() != hWnd) return 0;
/* disregard refusal if hWnd is sysmodal */
}
#ifdef WINELIB32
SendMessage( hwndActive, WM_ACTIVATE,
MAKEWPARAM( WA_INACTIVE, wIconized ),
(LPARAM)hWnd );
#else
SendMessage(hwndPrevActive, WM_ACTIVATE, WA_INACTIVE,
MAKELONG(hWnd,wIconized));
#endif
/* check if something happened during message processing */
if( hwndPrevActive != hwndActive ) return 0;
}
/* set active wnd */
hwndActive = hWnd;
/* send palette messages */
if( SendMessage( hWnd, WM_QUERYNEWPALETTE, 0, 0L) )
SendMessage((HWND)-1, WM_PALETTEISCHANGING, (WPARAM)hWnd, 0L );
/* if prev wnd is minimized redraw icon title
if( hwndPrevActive )
{
wndTemp = WIN_FindWndPtr( WIN_GetTopParent( hwndPrevActive ) );
if(wndTemp)
if(wndTemp->dwStyle & WS_MINIMIZE)
RedrawIconTitle(hwndPrevActive);
}
*/
if (!(wndPtr->dwStyle & WS_CHILD))
{
/* check Z-order and bring hWnd to the top */
wndTemp = WIN_FindWndPtr( GetDesktopWindow() );
for( ; wndTemp; wndTemp = WIN_FindWndPtr( wndTemp->hwndNext ))
if( wndTemp->dwStyle & WS_VISIBLE )
break;
if( wndTemp != wndPtr )
SetWindowPos(hWnd, HWND_TOP, 0,0,0,0,
SWP_NOSIZE | SWP_NOMOVE | SWP_NOACTIVATE );
}
if( !IsWindow(hWnd) ) return 0;
if (hwndPrevActive)
{
wndTemp = WIN_FindWndPtr( hwndPrevActive );
if (wndTemp) hActiveQ = wndTemp->hmemTaskQ;
}
/* send WM_ACTIVATEAPP if necessary */
if (hActiveQ != wndPtr->hmemTaskQ)
{
HTASK hT = MSG_GetQueueTask( hActiveQ );
actStruct.wFlag = 0; /* deactivate */
actStruct.hWindowTask = MSG_GetQueueTask(wndPtr->hmemTaskQ);
actStruct.hTaskSendTo = hT;
/* send WM_ACTIVATEAPP to top-level windows
* that belong to the actStruct.hTaskSendTo task
*/
EnumWindows( enumCallback , (LPARAM)&actStruct );
actStruct.wFlag = 1; /* activate */
actStruct.hWindowTask = hT;
actStruct.hTaskSendTo = MSG_GetQueueTask( wndPtr->hmemTaskQ );
EnumWindows( enumCallback , (LPARAM)&actStruct );
if( !IsWindow(hWnd) ) return 0;
}
/* walk up to the first unowned window */
wndTemp = wndPtr;
while(wndTemp->hwndOwner)
{
wndTemp = WIN_FindWndPtr(wndTemp->hwndOwner);
if( !wndTemp)
{
/* there must be an unowned window in hierarchy */
dprintf_win(stddeb,"WINPOS_ActivateWindow: broken owner list\n");
wndTemp = wndPtr;
break;
}
}
/* and set last active owned popup */
wndTemp->hwndLastActive = hWnd;
wIconized = HIWORD(wndTemp->dwStyle & WS_MINIMIZE);
/* FIXME: Needs a Win32 translation for WINELIB32 */
SendMessage( hWnd, WM_NCACTIVATE, 1,
MAKELONG(hwndPrevActive,wIconized));
#ifdef WINELIB32
SendMessage( hWnd, WM_ACTIVATE,
MAKEWPARAM( (fMouse)?WA_CLICKACTIVE:WA_ACTIVE, wIconized),
(LPARAM)hwndPrevActive );
#else
SendMessage( hWnd, WM_ACTIVATE, (fMouse)? WA_CLICKACTIVE : WA_ACTIVE,
MAKELONG(hwndPrevActive,wIconized));
#endif
if( !IsWindow(hWnd) ) return 0;
/* change focus if possible */
if( fChangeFocus && GetFocus() )
if( WIN_GetTopParent(GetFocus()) != hwndActive )
FOCUS_SwitchFocus( GetFocus(),
(wndPtr->dwStyle & WS_MINIMIZE)? 0: hwndActive);
/* if active wnd is minimized redraw icon title
if( hwndActive )
{
wndPtr = WIN_FindWndPtr(hwndActive);
if(wndPtr->dwStyle & WS_MINIMIZE)
RedrawIconTitle(hwndActive);
}
*/
return (hWnd == hwndActive);
}
/*******************************************************************
* WINPOS_ChangeActiveWindow
*
*/
BOOL WINPOS_ChangeActiveWindow( HWND hWnd, BOOL mouseMsg )
{
WND *wndPtr = WIN_FindWndPtr(hWnd);
if( !wndPtr ) return FALSE;
/* minors are not allowed */
if( (wndPtr->dwStyle & WS_CHILD) && !( wndPtr->dwStyle & WS_POPUP))
return SendMessage(hWnd, WM_CHILDACTIVATE, 0, 0L);
if( hWnd == hwndActive ) return FALSE;
if( !WINPOS_SetActiveWindow(hWnd ,mouseMsg ,TRUE) )
return FALSE;
/* switch desktop queue to current active here */
if( wndPtr->hwndParent == GetDesktopWindow())
{ }
return TRUE;
}
/***********************************************************************
* WINPOS_SendNCCalcSize
*
* Send a WM_NCCALCSIZE message to a window.
* All parameters are read-only except newClientRect.
* oldWindowRect, oldClientRect and winpos must be non-NULL only
* when calcValidRect is TRUE.
*/
LONG WINPOS_SendNCCalcSize( HWND hwnd, BOOL calcValidRect, RECT *newWindowRect,
RECT *oldWindowRect, RECT *oldClientRect,
WINDOWPOS *winpos, RECT *newClientRect )
{
NCCALCSIZE_PARAMS params;
LONG result;
params.rgrc[0] = *newWindowRect;
if (calcValidRect)
{
params.rgrc[1] = *oldWindowRect;
params.rgrc[2] = *oldClientRect;
params.lppos = winpos;
}
result = SendMessage( hwnd, WM_NCCALCSIZE, calcValidRect,
(LPARAM)MAKE_SEGPTR( &params ) );
dprintf_win(stddeb, "WINPOS_SendNCCalcSize: %d %d %d %d\n",
(int)params.rgrc[0].top, (int)params.rgrc[0].left,
(int)params.rgrc[0].bottom, (int)params.rgrc[0].right);
*newClientRect = params.rgrc[0];
return result;
}
/***********************************************************************
* WINPOS_HandleWindowPosChanging
*
* Default handling for a WM_WINDOWPOSCHANGING. Called from DefWindowProc().
*/
LONG WINPOS_HandleWindowPosChanging( WINDOWPOS *winpos )
{
POINT maxSize;
WND *wndPtr = WIN_FindWndPtr( winpos->hwnd );
if (!wndPtr || (winpos->flags & SWP_NOSIZE)) return 0;
if ((wndPtr->dwStyle & WS_THICKFRAME) ||
((wndPtr->dwStyle & (WS_POPUP | WS_CHILD)) == 0))
{
NC_GetMinMaxInfo( winpos->hwnd, &maxSize, NULL, NULL, NULL );
winpos->cx = MIN( winpos->cx, maxSize.x );
winpos->cy = MIN( winpos->cy, maxSize.y );
}
return 0;
}
/***********************************************************************
* WINPOS_MoveWindowZOrder
*
* Move a window in Z order, invalidating everything that needs it.
* Only necessary for windows without associated X window.
*/
static void WINPOS_MoveWindowZOrder( HWND hwnd, HWND hwndAfter )
{
BOOL movingUp;
HWND hwndCur;
WND *wndPtr = WIN_FindWndPtr( hwnd );
/* We have two possible cases:
* - The window is moving up: we have to invalidate all areas
* of the window that were covered by other windows
* - The window is moving down: we have to invalidate areas
* of other windows covered by this one.
*/
if (hwndAfter == HWND_TOP)
{
movingUp = TRUE;
}
else if (hwndAfter == HWND_BOTTOM)
{
if (!wndPtr->hwndNext) return; /* Already at the bottom */
movingUp = FALSE;
}
else
{
if (wndPtr->hwndNext == hwndAfter) return; /* Already placed right */
/* Determine which window we encounter first in Z-order */
hwndCur = GetWindow( wndPtr->hwndParent, GW_CHILD );
while ((hwndCur != hwnd) && (hwndCur != hwndAfter))
hwndCur = GetWindow( hwndCur, GW_HWNDNEXT );
movingUp = (hwndCur == hwndAfter);
}
if (movingUp)
{
HWND hwndPrevAfter = wndPtr->hwndNext;
WIN_UnlinkWindow( hwnd );
WIN_LinkWindow( hwnd, hwndAfter );
hwndCur = wndPtr->hwndNext;
while (hwndCur != hwndPrevAfter)
{
WND *curPtr = WIN_FindWndPtr( hwndCur );
RECT rect = curPtr->rectWindow;
OffsetRect( &rect, -wndPtr->rectClient.left,
-wndPtr->rectClient.top );
RedrawWindow( hwnd, &rect, 0, RDW_INVALIDATE | RDW_ALLCHILDREN |
RDW_FRAME | RDW_ERASE );
hwndCur = curPtr->hwndNext;
}
}
else /* Moving down */
{
hwndCur = wndPtr->hwndNext;
WIN_UnlinkWindow( hwnd );
WIN_LinkWindow( hwnd, hwndAfter );
while (hwndCur != hwnd)
{
WND *curPtr = WIN_FindWndPtr( hwndCur );
RECT rect = wndPtr->rectWindow;
OffsetRect( &rect, -curPtr->rectClient.left,
-curPtr->rectClient.top );
RedrawWindow( hwndCur, &rect, 0, RDW_INVALIDATE | RDW_ALLCHILDREN |
RDW_FRAME | RDW_ERASE );
hwndCur = curPtr->hwndNext;
}
}
}
/***********************************************************************
* WINPOS_SetXWindowPos
*
* SetWindowPos() for an X window. Used by the real SetWindowPos().
*/
static void WINPOS_SetXWindowPos( WINDOWPOS *winpos )
{
XWindowChanges winChanges;
int changeMask = 0;
WND *wndPtr = WIN_FindWndPtr( winpos->hwnd );
if (!(winpos->flags & SWP_NOSIZE))
{
winChanges.width = winpos->cx;
winChanges.height = winpos->cy;
changeMask |= CWWidth | CWHeight;
}
if (!(winpos->flags & SWP_NOMOVE))
{
winChanges.x = winpos->x;
winChanges.y = winpos->y;
changeMask |= CWX | CWY;
}
if (!(winpos->flags & SWP_NOZORDER))
{
if (winpos->hwndInsertAfter == HWND_TOP) winChanges.stack_mode = Above;
else winChanges.stack_mode = Below;
if ((winpos->hwndInsertAfter != HWND_TOP) &&
(winpos->hwndInsertAfter != HWND_BOTTOM))
{
WND * insertPtr = WIN_FindWndPtr( winpos->hwndInsertAfter );
winChanges.sibling = insertPtr->window;
changeMask |= CWSibling;
}
changeMask |= CWStackMode;
}
if (changeMask)
XConfigureWindow( display, wndPtr->window, changeMask, &winChanges );
}
/***********************************************************************
* SetWindowPos (USER.232)
*/
BOOL SetWindowPos( HWND hwnd, HWND hwndInsertAfter, INT x, INT y,
INT cx, INT cy, WORD flags )
{
WINDOWPOS winpos;
WND *wndPtr;
RECT newWindowRect, newClientRect;
int result;
/* Check window handle */
if (hwnd == GetDesktopWindow()) return FALSE;
if (!(wndPtr = WIN_FindWndPtr( hwnd ))) return FALSE;
/* Check for windows that may not be resized
FIXME: this should be done only for Windows 3.0 programs */
if (flags ==(SWP_SHOWWINDOW) || flags ==(SWP_HIDEWINDOW ) )
flags |= SWP_NOSIZE | SWP_NOMOVE;
/* Check dimensions */
if (cx <= 0) cx = 1;
if (cy <= 0) cy = 1;
/* Check flags */
if (hwnd == hwndActive) flags |= SWP_NOACTIVATE; /* Already active */
if ((wndPtr->rectWindow.right - wndPtr->rectWindow.left == cx) &&
(wndPtr->rectWindow.bottom - wndPtr->rectWindow.top == cy))
flags |= SWP_NOSIZE; /* Already the right size */
if ((wndPtr->rectWindow.left == x) && (wndPtr->rectWindow.top == y))
flags |= SWP_NOMOVE; /* Already the right position */
/* Check hwndInsertAfter */
if (!(flags & (SWP_NOZORDER | SWP_NOACTIVATE)))
{
/* Ignore TOPMOST flags when activating a window */
/* _and_ moving it in Z order. */
if ((hwndInsertAfter == HWND_TOPMOST) ||
(hwndInsertAfter == HWND_NOTOPMOST))
hwndInsertAfter = HWND_TOP;
}
/* TOPMOST not supported yet */
if ((hwndInsertAfter == HWND_TOPMOST) ||
(hwndInsertAfter == HWND_NOTOPMOST)) hwndInsertAfter = HWND_TOP;
/* hwndInsertAfter must be a sibling of the window */
if ((hwndInsertAfter != HWND_TOP) && (hwndInsertAfter != HWND_BOTTOM) &&
(wndPtr->hwndParent != WIN_FindWndPtr(hwndInsertAfter)->hwndParent))
return FALSE;
/* Fill the WINDOWPOS structure */
winpos.hwnd = hwnd;
winpos.hwndInsertAfter = hwndInsertAfter;
winpos.x = x;
winpos.y = y;
winpos.cx = cx;
winpos.cy = cy;
winpos.flags = flags;
/* Send WM_WINDOWPOSCHANGING message */
if (!(flags & SWP_NOSENDCHANGING))
SendMessage( hwnd, WM_WINDOWPOSCHANGING, 0, (LPARAM)MAKE_SEGPTR(&winpos) );
/* Calculate new position and size */
newWindowRect = wndPtr->rectWindow;
newClientRect = wndPtr->rectClient;
if (!(winpos.flags & SWP_NOSIZE))
{
newWindowRect.right = newWindowRect.left + winpos.cx;
newWindowRect.bottom = newWindowRect.top + winpos.cy;
}
if (!(winpos.flags & SWP_NOMOVE))
{
newWindowRect.left = winpos.x;
newWindowRect.top = winpos.y;
newWindowRect.right += winpos.x - wndPtr->rectWindow.left;
newWindowRect.bottom += winpos.y - wndPtr->rectWindow.top;
}
/* Reposition window in Z order */
if (!(winpos.flags & SWP_NOZORDER))
{
if (wndPtr->window)
{
WIN_UnlinkWindow( winpos.hwnd );
WIN_LinkWindow( winpos.hwnd, hwndInsertAfter );
}
else WINPOS_MoveWindowZOrder( winpos.hwnd, hwndInsertAfter );
}
/* Send WM_NCCALCSIZE message to get new client area */
result = WINPOS_SendNCCalcSize( winpos.hwnd, TRUE, &newWindowRect,
&wndPtr->rectWindow, &wndPtr->rectClient,
&winpos, &newClientRect );
/* FIXME: Should handle result here */
/* Perform the moving and resizing */
if (wndPtr->window)
{
WINPOS_SetXWindowPos( &winpos );
wndPtr->rectWindow = newWindowRect;
wndPtr->rectClient = newClientRect;
}
else
{
RECT oldWindowRect = wndPtr->rectWindow;
wndPtr->rectWindow = newWindowRect;
wndPtr->rectClient = newClientRect;
if (!(flags & SWP_NOREDRAW) &&
(!(flags & SWP_NOSIZE) || !(flags & SWP_NOMOVE) ||
(!(flags & SWP_NOZORDER) && (hwndInsertAfter != HWND_TOP))))
{
HRGN hrgn1 = CreateRectRgnIndirect( &oldWindowRect );
HRGN hrgn2 = CreateRectRgnIndirect( &wndPtr->rectWindow );
HRGN hrgn3 = CreateRectRgn( 0, 0, 0, 0 );
CombineRgn( hrgn3, hrgn1, hrgn2, RGN_DIFF );
RedrawWindow( wndPtr->hwndParent, NULL, hrgn3,
RDW_INVALIDATE | RDW_ALLCHILDREN | RDW_ERASE );
/* DCE_GetVisRgn should be called for old coordinates
* and for new, then OffsetRgn and CombineRgn -
* voila, a nice update region to use here - AK.
*/
if ((oldWindowRect.left != wndPtr->rectWindow.left) ||
(oldWindowRect.top != wndPtr->rectWindow.top))
{
RedrawWindow( winpos.hwnd, NULL, 0, RDW_INVALIDATE |
RDW_FRAME | RDW_ALLCHILDREN | RDW_ERASE );
}
else
if( CombineRgn( hrgn3, hrgn2, hrgn1, RGN_DIFF) != NULLREGION )
RedrawWindow( winpos.hwnd, NULL, hrgn3, RDW_INVALIDATE |
RDW_FRAME | RDW_ALLCHILDREN | RDW_ERASE );
DeleteObject( hrgn1 );
DeleteObject( hrgn2 );
DeleteObject( hrgn3 );
}
}
if (flags & SWP_SHOWWINDOW)
{
wndPtr->dwStyle |= WS_VISIBLE;
if (wndPtr->window)
{
XMapWindow( display, wndPtr->window );
}
else
{
if (!(flags & SWP_NOREDRAW))
RedrawWindow( winpos.hwnd, NULL, 0,
RDW_INVALIDATE | RDW_ALLCHILDREN |
RDW_FRAME | RDW_ERASE );
}
}
else if (flags & SWP_HIDEWINDOW)
{
wndPtr->dwStyle &= ~WS_VISIBLE;
if (wndPtr->window)
{
XUnmapWindow( display, wndPtr->window );
}
else
{
if (!(flags & SWP_NOREDRAW))
RedrawWindow( wndPtr->hwndParent, &wndPtr->rectWindow, 0,
RDW_INVALIDATE | RDW_FRAME |
RDW_ALLCHILDREN | RDW_ERASE );
}
if ((winpos.hwnd == GetFocus()) || IsChild(winpos.hwnd, GetFocus()))
SetFocus( GetParent(winpos.hwnd) ); /* Revert focus to parent */
if (winpos.hwnd == hwndActive)
{
/* Activate previously active window if possible */
HWND newActive = hwndPrevActive;
if (!IsWindow(newActive) || (newActive == winpos.hwnd))
{
newActive = GetTopWindow( GetDesktopWindow() );
if (newActive == winpos.hwnd) newActive = wndPtr->hwndNext;
}
WINPOS_ChangeActiveWindow( newActive, FALSE );
}
}
/* Activate the window */
if (!(flags & SWP_NOACTIVATE))
WINPOS_ChangeActiveWindow( winpos.hwnd, FALSE );
/* Repaint the window */
if (wndPtr->window) MSG_Synchronize(); /* Wait for all expose events */
EVENT_DummyMotionNotify(); /* Simulate a mouse event to set the cursor */
if ((flags & SWP_FRAMECHANGED) && !(flags & SWP_NOREDRAW))
RedrawWindow( winpos.hwnd, NULL, 0,
RDW_ALLCHILDREN | /*FIXME: this should not be necessary*/
RDW_INVALIDATE | RDW_FRAME | RDW_ERASE );
if (!(flags & SWP_DEFERERASE))
RedrawWindow( wndPtr->hwndParent, NULL, 0,
RDW_ALLCHILDREN | RDW_ERASENOW );
/* And last, send the WM_WINDOWPOSCHANGED message */
winpos.flags |= SWP_NOMOVE; /* prevent looping.. window is already moved ??? (FIXME)*/
if (!(winpos.flags & SWP_NOSENDCHANGING))
SendMessage( winpos.hwnd, WM_WINDOWPOSCHANGED,
0, (LPARAM)MAKE_SEGPTR(&winpos) );
return TRUE;
}
/***********************************************************************
* BeginDeferWindowPos (USER.259)
*/
HDWP BeginDeferWindowPos( INT count )
{
HDWP handle;
DWP *pDWP;
if (count <= 0) return 0;
handle = USER_HEAP_ALLOC( sizeof(DWP) + (count-1)*sizeof(WINDOWPOS) );
if (!handle) return 0;
pDWP = (DWP *) USER_HEAP_LIN_ADDR( handle );
pDWP->actualCount = 0;
pDWP->suggestedCount = count;
pDWP->valid = TRUE;
pDWP->wMagic = DWP_MAGIC;
pDWP->hwndParent = 0;
return handle;
}
/***********************************************************************
* DeferWindowPos (USER.260)
*/
HDWP DeferWindowPos( HDWP hdwp, HWND hwnd, HWND hwndAfter, INT x, INT y,
INT cx, INT cy, UINT flags )
{
DWP *pDWP;
int i;
HDWP newhdwp = hdwp;
HWND parent;
pDWP = (DWP *) USER_HEAP_LIN_ADDR( hdwp );
if (!pDWP) return 0;
/* All the windows of a DeferWindowPos() must have the same parent */
parent = WIN_FindWndPtr( hwnd )->hwndParent;
if (pDWP->actualCount == 0) pDWP->hwndParent = parent;
else if (parent != pDWP->hwndParent)
{
USER_HEAP_FREE( hdwp );
return 0;
}
for (i = 0; i < pDWP->actualCount; i++)
{
if (pDWP->winPos[i].hwnd == hwnd)
{
/* Merge with the other changes */
if (!(flags & SWP_NOZORDER))
{
pDWP->winPos[i].hwndInsertAfter = hwndAfter;
}
if (!(flags & SWP_NOMOVE))
{
pDWP->winPos[i].x = x;
pDWP->winPos[i].y = y;
}
if (!(flags & SWP_NOSIZE))
{
pDWP->winPos[i].cx = cx;
pDWP->winPos[i].cy = cy;
}
pDWP->winPos[i].flags &= flags & (SWP_NOSIZE | SWP_NOMOVE |
SWP_NOZORDER | SWP_NOREDRAW |
SWP_NOACTIVATE | SWP_NOCOPYBITS |
SWP_NOOWNERZORDER);
pDWP->winPos[i].flags |= flags & (SWP_SHOWWINDOW | SWP_HIDEWINDOW |
SWP_FRAMECHANGED);
return hdwp;
}
}
if (pDWP->actualCount >= pDWP->suggestedCount)
{
newhdwp = USER_HEAP_REALLOC( hdwp,
sizeof(DWP) + pDWP->suggestedCount*sizeof(WINDOWPOS) );
if (!newhdwp) return 0;
pDWP = (DWP *) USER_HEAP_LIN_ADDR( newhdwp );
pDWP->suggestedCount++;
}
pDWP->winPos[pDWP->actualCount].hwnd = hwnd;
pDWP->winPos[pDWP->actualCount].hwndInsertAfter = hwndAfter;
pDWP->winPos[pDWP->actualCount].x = x;
pDWP->winPos[pDWP->actualCount].y = y;
pDWP->winPos[pDWP->actualCount].cx = cx;
pDWP->winPos[pDWP->actualCount].cy = cy;
pDWP->winPos[pDWP->actualCount].flags = flags;
pDWP->actualCount++;
return newhdwp;
}
/***********************************************************************
* EndDeferWindowPos (USER.261)
*/
BOOL EndDeferWindowPos( HDWP hdwp )
{
DWP *pDWP;
WINDOWPOS *winpos;
BOOL res = TRUE;
int i;
pDWP = (DWP *) USER_HEAP_LIN_ADDR( hdwp );
if (!pDWP) return FALSE;
for (i = 0, winpos = pDWP->winPos; i < pDWP->actualCount; i++, winpos++)
{
if (!(res = SetWindowPos( winpos->hwnd, winpos->hwndInsertAfter,
winpos->x, winpos->y, winpos->cx, winpos->cy,
winpos->flags ))) break;
}
USER_HEAP_FREE( hdwp );
return res;
}
/***********************************************************************
* TileChildWindows (USER.199)
*/
void TileChildWindows( HWND parent, WORD action )
{
printf("STUB TileChildWindows("NPFMT", %d)\n", parent, action);
}
/***********************************************************************
* CascageChildWindows (USER.198)
*/
void CascadeChildWindows( HWND parent, WORD action )
{
printf("STUB CascadeChildWindows("NPFMT", %d)\n", parent, action);
}
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