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Sweden-Number/windows/mdi.c

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/* MDI.C
*
* Copyright 1994, Bob Amstadt
* 1995,1996 Alex Korobka
*
* This file contains routines to support MDI (Multiple Document
* Interface) features .
*
* Notes: Fairly complete implementation. Any volunteers for
* "More windows..." stuff?
*
* Also, Excel and WinWord do _not_ use MDI so if you're trying
* to fix them look elsewhere.
*/
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <math.h>
#include "windef.h"
#include "wingdi.h"
#include "winuser.h"
#include "win.h"
#include "heap.h"
#include "nonclient.h"
#include "mdi.h"
#include "user.h"
#include "menu.h"
#include "scroll.h"
#include "struct32.h"
#include "tweak.h"
#include "debugtools.h"
DEFAULT_DEBUG_CHANNEL(mdi);
#define MDIF_NEEDUPDATE 0x0001
static HBITMAP16 hBmpClose = 0;
static HBITMAP16 hBmpRestore = 0;
/* ----------------- declarations ----------------- */
static void MDI_UpdateFrameText(WND *, HWND, BOOL, LPCSTR);
static BOOL MDI_AugmentFrameMenu(MDICLIENTINFO*, WND *, HWND);
static BOOL MDI_RestoreFrameMenu(WND *, HWND);
static LONG MDI_ChildActivate( WND*, HWND );
/* -------- Miscellaneous service functions ----------
*
* MDI_GetChildByID
*/
static HWND MDI_GetChildByID(WND* wndPtr, INT id)
{
for (wndPtr = wndPtr->child; wndPtr; wndPtr = wndPtr->next)
if (wndPtr->wIDmenu == id) return wndPtr->hwndSelf;
return 0;
}
static void MDI_PostUpdate(HWND hwnd, MDICLIENTINFO* ci, WORD recalc)
{
if( !(ci->mdiFlags & MDIF_NEEDUPDATE) )
{
ci->mdiFlags |= MDIF_NEEDUPDATE;
PostMessageA( hwnd, WM_MDICALCCHILDSCROLL, 0, 0);
}
ci->sbRecalc = recalc;
}
/**********************************************************************
* MDI_MenuModifyItem
*/
static BOOL MDI_MenuModifyItem(WND* clientWnd, HWND hWndChild )
{
char buffer[128];
MDICLIENTINFO *clientInfo = (MDICLIENTINFO*)clientWnd->wExtra;
WND *wndPtr = WIN_FindWndPtr(hWndChild);
UINT n = sprintf(buffer, "%d ",
wndPtr->wIDmenu - clientInfo->idFirstChild + 1);
BOOL bRet = 0;
if( !clientInfo->hWindowMenu )
{
bRet = FALSE;
goto END;
}
if (wndPtr->text) lstrcpynA(buffer + n, wndPtr->text, sizeof(buffer) - n );
n = GetMenuState(clientInfo->hWindowMenu,wndPtr->wIDmenu ,MF_BYCOMMAND);
bRet = ModifyMenuA(clientInfo->hWindowMenu , wndPtr->wIDmenu,
MF_BYCOMMAND | MF_STRING, wndPtr->wIDmenu, buffer );
CheckMenuItem(clientInfo->hWindowMenu ,wndPtr->wIDmenu , n & MF_CHECKED);
END:
WIN_ReleaseWndPtr(wndPtr);
return bRet;
}
/**********************************************************************
* MDI_MenuDeleteItem
*/
static BOOL MDI_MenuDeleteItem(WND* clientWnd, HWND hWndChild )
{
char buffer[128];
MDICLIENTINFO *clientInfo = (MDICLIENTINFO*)clientWnd->wExtra;
WND *wndPtr = WIN_FindWndPtr(hWndChild);
UINT index = 0,id,n;
BOOL retvalue;
if( !clientInfo->nActiveChildren ||
!clientInfo->hWindowMenu )
{
retvalue = FALSE;
goto END;
}
id = wndPtr->wIDmenu;
DeleteMenu(clientInfo->hWindowMenu,id,MF_BYCOMMAND);
/* walk the rest of MDI children to prevent gaps in the id
* sequence and in the menu child list */
for( index = id+1; index <= clientInfo->nActiveChildren +
clientInfo->idFirstChild; index++ )
{
WND *tmpWnd = WIN_FindWndPtr(MDI_GetChildByID(clientWnd,index));
if( !tmpWnd )
{
TRACE("no window for id=%i\n",index);
WIN_ReleaseWndPtr(tmpWnd);
continue;
}
/* set correct id */
tmpWnd->wIDmenu--;
n = sprintf(buffer, "%d ",index - clientInfo->idFirstChild);
if (tmpWnd->text)
lstrcpynA(buffer + n, tmpWnd->text, sizeof(buffer) - n );
/* change menu */
ModifyMenuA(clientInfo->hWindowMenu ,index ,MF_BYCOMMAND | MF_STRING,
index - 1 , buffer );
WIN_ReleaseWndPtr(tmpWnd);
}
retvalue = TRUE;
END:
WIN_ReleaseWndPtr(wndPtr);
return retvalue;
}
/**********************************************************************
* MDI_GetWindow
*
* returns "activateable" child different from the current or zero
*/
static HWND MDI_GetWindow(WND *clientWnd, HWND hWnd, BOOL bNext,
DWORD dwStyleMask )
{
MDICLIENTINFO *clientInfo = (MDICLIENTINFO*)clientWnd->wExtra;
WND *wndPtr, *pWnd, *pWndLast = NULL;
dwStyleMask |= WS_DISABLED | WS_VISIBLE;
if( !hWnd ) hWnd = clientInfo->hwndActiveChild;
if( !(wndPtr = WIN_FindWndPtr(hWnd)) ) return 0;
for ( pWnd = WIN_LockWndPtr(wndPtr->next); ; WIN_UpdateWndPtr(&pWnd,pWnd->next))
{
if (!pWnd ) WIN_UpdateWndPtr(&pWnd,wndPtr->parent->child);
if ( pWnd == wndPtr ) break; /* went full circle */
if (!pWnd->owner && (pWnd->dwStyle & dwStyleMask) == WS_VISIBLE )
{
pWndLast = pWnd;
if ( bNext ) break;
}
}
WIN_ReleaseWndPtr(wndPtr);
WIN_ReleaseWndPtr(pWnd);
return pWndLast ? pWndLast->hwndSelf : 0;
}
/**********************************************************************
* MDI_CalcDefaultChildPos
*
* It seems that the default height is about 2/3 of the client rect
*/
static void MDI_CalcDefaultChildPos( WND* w, WORD n, LPPOINT lpPos,
INT delta)
{
INT nstagger;
RECT rect = w->rectClient;
INT spacing = GetSystemMetrics(SM_CYCAPTION) +
GetSystemMetrics(SM_CYFRAME) - 1;
if( rect.bottom - rect.top - delta >= spacing )
rect.bottom -= delta;
nstagger = (rect.bottom - rect.top)/(3 * spacing);
lpPos[1].x = (rect.right - rect.left - nstagger * spacing);
lpPos[1].y = (rect.bottom - rect.top - nstagger * spacing);
lpPos[0].x = lpPos[0].y = spacing * (n%(nstagger+1));
}
/**********************************************************************
* MDISetMenu
*/
static LRESULT MDISetMenu( HWND hwnd, HMENU hmenuFrame,
HMENU hmenuWindow)
{
WND *w;
MDICLIENTINFO *ci;
HWND hwndFrame = GetParent(hwnd);
HMENU oldFrameMenu = GetMenu(hwndFrame);
TRACE("%04x %04x %04x\n",
hwnd, hmenuFrame, hmenuWindow);
if (hmenuFrame && !IsMenu(hmenuFrame))
{
WARN("hmenuFrame is not a menu handle\n");
return 0L;
}
if (hmenuWindow && !IsMenu(hmenuWindow))
{
WARN("hmenuWindow is not a menu handle\n");
return 0L;
}
w = WIN_FindWndPtr(hwnd);
ci = (MDICLIENTINFO *) w->wExtra;
if( ci->hwndChildMaximized && hmenuFrame && hmenuFrame!=oldFrameMenu )
MDI_RestoreFrameMenu(w->parent, ci->hwndChildMaximized );
if( hmenuWindow && hmenuWindow!=ci->hWindowMenu )
{
/* delete menu items from ci->hWindowMenu
* and add them to hmenuWindow */
INT i = GetMenuItemCount(ci->hWindowMenu) - 1;
INT pos = GetMenuItemCount(hmenuWindow) + 1;
AppendMenuA( hmenuWindow, MF_SEPARATOR, 0, NULL);
if( ci->nActiveChildren )
{
INT j = i - ci->nActiveChildren + 1;
LPWSTR buffer = NULL;
MENUITEMINFOW mii;
for( ; i >= j ; i-- )
{
memset(&mii, 0, sizeof(mii));
mii.cbSize = sizeof(mii);
mii.fMask = MIIM_CHECKMARKS | MIIM_DATA | MIIM_ID | MIIM_STATE
| MIIM_SUBMENU | MIIM_TYPE | MIIM_BITMAP;
GetMenuItemInfoW(ci->hWindowMenu, i, TRUE, &mii);
if(mii.cch) { /* Menu is MFT_STRING */
mii.cch++; /* add room for '\0' */
buffer = HeapAlloc(GetProcessHeap(), 0,
mii.cch * sizeof(WCHAR));
mii.dwTypeData = buffer;
GetMenuItemInfoW(ci->hWindowMenu, i, TRUE, &mii);
}
DeleteMenu(ci->hWindowMenu, i, MF_BYPOSITION);
InsertMenuItemW(hmenuWindow, pos, TRUE, &mii);
if(buffer) {
HeapFree(GetProcessHeap(), 0, buffer);
buffer = NULL;
}
}
}
/* remove separator */
DeleteMenu(ci->hWindowMenu, i, MF_BYPOSITION);
ci->hWindowMenu = hmenuWindow;
}
if( hmenuFrame && hmenuFrame!=oldFrameMenu)
{
SetMenu(hwndFrame, hmenuFrame);
if( ci->hwndChildMaximized )
MDI_AugmentFrameMenu(ci, w->parent, ci->hwndChildMaximized );
WIN_ReleaseWndPtr(w);
return oldFrameMenu;
}
WIN_ReleaseWndPtr(w);
return 0;
}
/**********************************************************************
* MDIRefreshMenu
*/
static LRESULT MDIRefreshMenu( HWND hwnd, HMENU hmenuFrame,
HMENU hmenuWindow)
{
HWND hwndFrame = GetParent(hwnd);
HMENU oldFrameMenu = GetMenu(hwndFrame);
TRACE("%04x %04x %04x\n",
hwnd, hmenuFrame, hmenuWindow);
FIXME("partially function stub\n");
return oldFrameMenu;
}
/* ------------------ MDI child window functions ---------------------- */
/**********************************************************************
* MDICreateChild
*/
static HWND MDICreateChild( WND *w, MDICLIENTINFO *ci, HWND parent,
LPMDICREATESTRUCTA cs )
{
POINT pos[2];
DWORD style = cs->style | (WS_CHILD | WS_CLIPSIBLINGS);
HWND hwnd, hwndMax = 0;
WORD wIDmenu = ci->idFirstChild + ci->nActiveChildren;
char lpstrDef[]="junk!";
TRACE("origin %i,%i - dim %i,%i, style %08x\n",
cs->x, cs->y, cs->cx, cs->cy, (unsigned)cs->style);
/* calculate placement */
MDI_CalcDefaultChildPos(w, ci->nTotalCreated++, pos, 0);
if (cs->cx == CW_USEDEFAULT || !cs->cx) cs->cx = pos[1].x;
if (cs->cy == CW_USEDEFAULT || !cs->cy) cs->cy = pos[1].y;
if( cs->x == CW_USEDEFAULT )
{
cs->x = pos[0].x;
cs->y = pos[0].y;
}
/* restore current maximized child */
if( style & WS_VISIBLE && ci->hwndChildMaximized )
{
if( style & WS_MAXIMIZE )
SendMessageA(w->hwndSelf, WM_SETREDRAW, FALSE, 0L );
hwndMax = ci->hwndChildMaximized;
ShowWindow( hwndMax, SW_SHOWNOACTIVATE );
if( style & WS_MAXIMIZE )
SendMessageA(w->hwndSelf, WM_SETREDRAW, TRUE, 0L );
}
/* this menu is needed to set a check mark in MDI_ChildActivate */
if (ci->hWindowMenu != 0)
AppendMenuA(ci->hWindowMenu ,MF_STRING ,wIDmenu, lpstrDef );
ci->nActiveChildren++;
/* fix window style */
if( !(w->dwStyle & MDIS_ALLCHILDSTYLES) )
{
style &= (WS_CHILD | WS_CLIPSIBLINGS | WS_MINIMIZE | WS_MAXIMIZE |
WS_CLIPCHILDREN | WS_DISABLED | WS_VSCROLL | WS_HSCROLL );
style |= (WS_VISIBLE | WS_OVERLAPPEDWINDOW);
}
if( w->flags & WIN_ISWIN32 )
{
hwnd = CreateWindowA( cs->szClass, cs->szTitle, style,
cs->x, cs->y, cs->cx, cs->cy, parent,
(HMENU16)wIDmenu, cs->hOwner, cs );
}
else
{
MDICREATESTRUCT16 *cs16;
LPSTR title, cls;
cs16 = SEGPTR_NEW(MDICREATESTRUCT16);
STRUCT32_MDICREATESTRUCT32Ato16( cs, cs16 );
title = SEGPTR_STRDUP( cs->szTitle );
cls = SEGPTR_STRDUP( cs->szClass );
cs16->szTitle = SEGPTR_GET(title);
cs16->szClass = SEGPTR_GET(cls);
hwnd = CreateWindow16( cs->szClass, cs->szTitle, style,
cs16->x, cs16->y, cs16->cx, cs16->cy, parent,
(HMENU)wIDmenu, cs16->hOwner,
(LPVOID)SEGPTR_GET(cs16) );
SEGPTR_FREE( title );
SEGPTR_FREE( cls );
SEGPTR_FREE( cs16 );
}
/* MDI windows are WS_CHILD so they won't be activated by CreateWindow */
if (hwnd)
{
WND* wnd = WIN_FindWndPtr( hwnd );
/* All MDI child windows have the WS_EX_MDICHILD style */
wnd->dwExStyle |= WS_EX_MDICHILD;
MDI_MenuModifyItem(w ,hwnd);
if( wnd->dwStyle & WS_MINIMIZE && ci->hwndActiveChild )
ShowWindow( hwnd, SW_SHOWMINNOACTIVE );
else
{
/* WS_VISIBLE is clear if a) the MDI client has
* MDIS_ALLCHILDSTYLES style and 2) the flag is cleared in the
* MDICreateStruct. If so the created window is not shown nor
* activated.
*/
int showflag=wnd->dwStyle & WS_VISIBLE;
/* clear visible flag, otherwise SetWindoPos32 ignores
* the SWP_SHOWWINDOW command.
*/
wnd->dwStyle &= ~WS_VISIBLE;
if(showflag){
SetWindowPos( hwnd, 0, 0, 0, 0, 0, SWP_SHOWWINDOW | SWP_NOSIZE | SWP_NOMOVE );
/* Set maximized state here in case hwnd didn't receive WM_SIZE
* during CreateWindow - bad!
*/
if((wnd->dwStyle & WS_MAXIMIZE) && !ci->hwndChildMaximized )
{
ci->hwndChildMaximized = wnd->hwndSelf;
MDI_AugmentFrameMenu( ci, w->parent, hwnd );
MDI_UpdateFrameText( w->parent, ci->self, MDI_REPAINTFRAME, NULL );
}
}else
/* needed, harmless ? */
SetWindowPos( hwnd, 0, 0, 0, 0, 0, SWP_NOACTIVATE | SWP_NOSIZE | SWP_NOMOVE );
}
WIN_ReleaseWndPtr(wnd);
TRACE("created child - %04x\n",hwnd);
}
else
{
ci->nActiveChildren--;
DeleteMenu(ci->hWindowMenu,wIDmenu,MF_BYCOMMAND);
if( IsWindow(hwndMax) )
ShowWindow(hwndMax, SW_SHOWMAXIMIZED);
}
return hwnd;
}
/**********************************************************************
* MDI_ChildGetMinMaxInfo
*
* Note: The rule here is that client rect of the maximized MDI child
* is equal to the client rect of the MDI client window.
*/
static void MDI_ChildGetMinMaxInfo( WND* clientWnd, HWND hwnd,
MINMAXINFO16* lpMinMax )
{
WND* childWnd = WIN_FindWndPtr(hwnd);
RECT rect = clientWnd->rectClient;
MapWindowPoints( clientWnd->parent->hwndSelf,
((MDICLIENTINFO*)clientWnd->wExtra)->self, (LPPOINT)&rect, 2);
AdjustWindowRectEx( &rect, childWnd->dwStyle, 0, childWnd->dwExStyle );
lpMinMax->ptMaxSize.x = rect.right -= rect.left;
lpMinMax->ptMaxSize.y = rect.bottom -= rect.top;
lpMinMax->ptMaxPosition.x = rect.left;
lpMinMax->ptMaxPosition.y = rect.top;
WIN_ReleaseWndPtr(childWnd);
TRACE("max rect (%i,%i - %i, %i)\n",
rect.left,rect.top,rect.right,rect.bottom);
}
/**********************************************************************
* MDI_SwitchActiveChild
*
* Note: SetWindowPos sends WM_CHILDACTIVATE to the child window that is
* being activated
*/
static void MDI_SwitchActiveChild( HWND clientHwnd, HWND childHwnd,
BOOL bNextWindow )
{
WND *w = WIN_FindWndPtr(clientHwnd);
HWND hwndTo = 0;
HWND hwndPrev = 0;
MDICLIENTINFO *ci;
hwndTo = MDI_GetWindow(w, childHwnd, bNextWindow, 0);
ci = (MDICLIENTINFO *) w->wExtra;
TRACE("from %04x, to %04x\n",childHwnd,hwndTo);
if ( !hwndTo ) goto END; /* no window to switch to */
hwndPrev = ci->hwndActiveChild;
if ( hwndTo != hwndPrev )
{
BOOL bOptimize = 0;
if( ci->hwndChildMaximized )
{
bOptimize = 1;
w->dwStyle &= ~WS_VISIBLE;
}
SetWindowPos( hwndTo, HWND_TOP, 0, 0, 0, 0,
SWP_NOMOVE | SWP_NOSIZE );
if( bNextWindow && hwndPrev )
SetWindowPos( hwndPrev, HWND_BOTTOM, 0, 0, 0, 0,
SWP_NOMOVE | SWP_NOSIZE | SWP_NOACTIVATE );
if( bOptimize )
ShowWindow( clientHwnd, SW_SHOW );
}
END:
WIN_ReleaseWndPtr(w);
}
/**********************************************************************
* MDIDestroyChild
*/
static LRESULT MDIDestroyChild( WND *w_parent, MDICLIENTINFO *ci,
HWND parent, HWND child,
BOOL flagDestroy )
{
WND *childPtr = WIN_FindWndPtr(child);
if( childPtr )
{
if( child == ci->hwndActiveChild )
{
MDI_SwitchActiveChild(parent, child, TRUE);
if( child == ci->hwndActiveChild )
{
ShowWindow( child, SW_HIDE);
if( child == ci->hwndChildMaximized )
{
MDI_RestoreFrameMenu(w_parent->parent, child);
ci->hwndChildMaximized = 0;
MDI_UpdateFrameText(w_parent->parent,parent,TRUE,NULL);
}
MDI_ChildActivate(w_parent, 0);
}
}
MDI_MenuDeleteItem(w_parent, child);
WIN_ReleaseWndPtr(childPtr);
ci->nActiveChildren--;
TRACE("child destroyed - %04x\n",child);
if (flagDestroy)
{
MDI_PostUpdate(GetParent(child), ci, SB_BOTH+1);
DestroyWindow(child);
}
}
return 0;
}
/**********************************************************************
* MDI_ChildActivate
*
* Note: hWndChild is NULL when last child is being destroyed
*/
static LONG MDI_ChildActivate( WND *clientPtr, HWND hWndChild )
{
MDICLIENTINFO *clientInfo = (MDICLIENTINFO*)clientPtr->wExtra;
HWND prevActiveWnd = clientInfo->hwndActiveChild;
WND *wndPtr = WIN_FindWndPtr( hWndChild );
WND *wndPrev = WIN_FindWndPtr( prevActiveWnd );
BOOL isActiveFrameWnd = 0;
LONG retvalue;
if( wndPtr )
{
if( wndPtr->dwStyle & WS_DISABLED )
{
retvalue = 0L;
goto END;
}
}
/* Don't activate if it is already active. Might happen
since ShowWindow DOES activate MDI children */
if (clientInfo->hwndActiveChild == hWndChild)
{
retvalue = 0L;
goto END;
}
TRACE("%04x\n", hWndChild);
if( GetActiveWindow() == clientPtr->parent->hwndSelf )
isActiveFrameWnd = TRUE;
/* deactivate prev. active child */
if( wndPrev )
{
wndPrev->dwStyle |= WS_SYSMENU;
SendMessageA( prevActiveWnd, WM_NCACTIVATE, FALSE, 0L );
SendMessageA( prevActiveWnd, WM_MDIACTIVATE, (WPARAM)prevActiveWnd,
(LPARAM)hWndChild);
/* uncheck menu item */
if( clientInfo->hWindowMenu )
CheckMenuItem( clientInfo->hWindowMenu,
wndPrev->wIDmenu, 0);
}
/* set appearance */
if( clientInfo->hwndChildMaximized )
{
if( clientInfo->hwndChildMaximized != hWndChild ) {
if( hWndChild ) {
clientInfo->hwndActiveChild = hWndChild;
ShowWindow( hWndChild, SW_SHOWMAXIMIZED);
} else
ShowWindow( clientInfo->hwndActiveChild, SW_SHOWNORMAL );
}
}
clientInfo->hwndActiveChild = hWndChild;
/* check if we have any children left */
if( !hWndChild )
{
if( isActiveFrameWnd )
SetFocus( clientInfo->self );
retvalue = 0;
goto END;
}
/* check menu item */
if( clientInfo->hWindowMenu )
CheckMenuItem( clientInfo->hWindowMenu,
wndPtr->wIDmenu, MF_CHECKED);
/* bring active child to the top */
SetWindowPos( hWndChild, 0,0,0,0,0, SWP_NOSIZE | SWP_NOMOVE | SWP_NOACTIVATE);
if( isActiveFrameWnd )
{
SendMessageA( hWndChild, WM_NCACTIVATE, TRUE, 0L);
if( GetFocus() == clientInfo->self )
SendMessageA( clientInfo->self, WM_SETFOCUS,
(WPARAM)clientInfo->self, 0L );
else
SetFocus( clientInfo->self );
}
SendMessageA( hWndChild, WM_MDIACTIVATE, (WPARAM)prevActiveWnd,
(LPARAM)hWndChild );
retvalue = 1;
END:
WIN_ReleaseWndPtr(wndPtr);
WIN_ReleaseWndPtr(wndPrev);
return retvalue;
}
/* -------------------- MDI client window functions ------------------- */
/**********************************************************************
* CreateMDIMenuBitmap
*/
static HBITMAP16 CreateMDIMenuBitmap(void)
{
HDC hDCSrc = CreateCompatibleDC(0);
HDC hDCDest = CreateCompatibleDC(hDCSrc);
HBITMAP16 hbClose = LoadBitmap16(0, MAKEINTRESOURCE16(OBM_CLOSE) );
HBITMAP16 hbCopy;
HANDLE16 hobjSrc, hobjDest;
hobjSrc = SelectObject(hDCSrc, hbClose);
hbCopy = CreateCompatibleBitmap(hDCSrc,GetSystemMetrics(SM_CXSIZE),GetSystemMetrics(SM_CYSIZE));
hobjDest = SelectObject(hDCDest, hbCopy);
BitBlt(hDCDest, 0, 0, GetSystemMetrics(SM_CXSIZE), GetSystemMetrics(SM_CYSIZE),
hDCSrc, GetSystemMetrics(SM_CXSIZE), 0, SRCCOPY);
SelectObject(hDCSrc, hobjSrc);
DeleteObject(hbClose);
DeleteDC(hDCSrc);
hobjSrc = SelectObject( hDCDest, GetStockObject(BLACK_PEN) );
MoveToEx( hDCDest, GetSystemMetrics(SM_CXSIZE) - 1, 0, NULL );
LineTo( hDCDest, GetSystemMetrics(SM_CXSIZE) - 1, GetSystemMetrics(SM_CYSIZE) - 1);
SelectObject(hDCDest, hobjSrc );
SelectObject(hDCDest, hobjDest);
DeleteDC(hDCDest);
return hbCopy;
}
/**********************************************************************
* MDICascade
*/
static LONG MDICascade(WND* clientWnd, MDICLIENTINFO *ci)
{
WND** ppWnd;
UINT total;
if (ci->hwndChildMaximized)
SendMessageA( clientWnd->hwndSelf, WM_MDIRESTORE,
(WPARAM)ci->hwndChildMaximized, 0);
if (ci->nActiveChildren == 0) return 0;
if ((ppWnd = WIN_BuildWinArray(clientWnd, BWA_SKIPHIDDEN | BWA_SKIPOWNED |
BWA_SKIPICONIC, &total)))
{
WND** heapPtr = ppWnd;
if( total )
{
INT delta = 0, n = 0;
POINT pos[2];
if( total < ci->nActiveChildren )
delta = GetSystemMetrics(SM_CYICONSPACING) +
GetSystemMetrics(SM_CYICON);
/* walk the list (backwards) and move windows */
while (*ppWnd) ppWnd++;
while (ppWnd != heapPtr)
{
ppWnd--;
TRACE("move %04x to (%ld,%ld) size [%ld,%ld]\n",
(*ppWnd)->hwndSelf, pos[0].x, pos[0].y, pos[1].x, pos[1].y);
MDI_CalcDefaultChildPos(clientWnd, n++, pos, delta);
SetWindowPos( (*ppWnd)->hwndSelf, 0, pos[0].x, pos[0].y,
pos[1].x, pos[1].y,
SWP_DRAWFRAME | SWP_NOACTIVATE | SWP_NOZORDER);
}
}
WIN_ReleaseWinArray(heapPtr);
}
if( total < ci->nActiveChildren )
ArrangeIconicWindows( clientWnd->hwndSelf );
return 0;
}
/**********************************************************************
* MDITile
*/
static void MDITile( WND* wndClient, MDICLIENTINFO *ci, WPARAM wParam )
{
WND** ppWnd;
UINT total = 0;
if (ci->hwndChildMaximized)
SendMessageA( wndClient->hwndSelf, WM_MDIRESTORE,
(WPARAM)ci->hwndChildMaximized, 0);
if (ci->nActiveChildren == 0) return;
ppWnd = WIN_BuildWinArray(wndClient, BWA_SKIPHIDDEN | BWA_SKIPOWNED | BWA_SKIPICONIC |
((wParam & MDITILE_SKIPDISABLED)? BWA_SKIPDISABLED : 0), &total );
TRACE("%u windows to tile\n", total);
if( ppWnd )
{
WND** heapPtr = ppWnd;
if( total )
{
RECT rect;
int x, y, xsize, ysize;
int rows, columns, r, c, i;
GetClientRect(wndClient->hwndSelf,&rect);
rows = (int) sqrt((double)total);
columns = total / rows;
if( wParam & MDITILE_HORIZONTAL ) /* version >= 3.1 */
{
i = rows;
rows = columns; /* exchange r and c */
columns = i;
}
if( total != ci->nActiveChildren)
{
y = rect.bottom - 2 * GetSystemMetrics(SM_CYICONSPACING) - GetSystemMetrics(SM_CYICON);
rect.bottom = ( y - GetSystemMetrics(SM_CYICON) < rect.top )? rect.bottom: y;
}
ysize = rect.bottom / rows;
xsize = rect.right / columns;
for (x = i = 0, c = 1; c <= columns && *ppWnd; c++)
{
if (c == columns)
{
rows = total - i;
ysize = rect.bottom / rows;
}
y = 0;
for (r = 1; r <= rows && *ppWnd; r++, i++)
{
SetWindowPos((*ppWnd)->hwndSelf, 0, x, y, xsize, ysize,
SWP_DRAWFRAME | SWP_NOACTIVATE | SWP_NOZORDER);
y += ysize;
ppWnd++;
}
x += xsize;
}
}
WIN_ReleaseWinArray(heapPtr);
}
if( total < ci->nActiveChildren ) ArrangeIconicWindows( wndClient->hwndSelf );
}
/* ----------------------- Frame window ---------------------------- */
/**********************************************************************
* MDI_AugmentFrameMenu
*/
static BOOL MDI_AugmentFrameMenu( MDICLIENTINFO* ci, WND *frame,
HWND hChild )
{
WND* child = WIN_FindWndPtr(hChild);
HMENU hSysPopup = 0;
HBITMAP hSysMenuBitmap = 0;
TRACE("frame %p,child %04x\n",frame,hChild);
if( !frame->wIDmenu || !child->hSysMenu )
{
WIN_ReleaseWndPtr(child);
return 0;
}
WIN_ReleaseWndPtr(child);
/* create a copy of sysmenu popup and insert it into frame menu bar */
if (!(hSysPopup = LoadMenuA(GetModuleHandleA("USER32"), "SYSMENU")))
return 0;
TRACE("\tgot popup %04x in sysmenu %04x\n",
hSysPopup, child->hSysMenu);
AppendMenuA(frame->wIDmenu,MF_HELP | MF_BITMAP,
SC_MINIMIZE, (LPSTR)(DWORD)HBMMENU_MBAR_MINIMIZE ) ;
AppendMenuA(frame->wIDmenu,MF_HELP | MF_BITMAP,
SC_RESTORE, (LPSTR)(DWORD)HBMMENU_MBAR_RESTORE );
/* In Win 95 look, the system menu is replaced by the child icon */
if(TWEAK_WineLook > WIN31_LOOK)
{
HICON hIcon = GetClassLongA(hChild, GCL_HICONSM);
if (!hIcon)
hIcon = GetClassLongA(hChild, GCL_HICON);
if (hIcon)
{
HDC hMemDC;
HBITMAP hBitmap, hOldBitmap;
HBRUSH hBrush;
HDC hdc = GetDC(hChild);
if (hdc)
{
int cx, cy;
cx = GetSystemMetrics(SM_CXSMICON);
cy = GetSystemMetrics(SM_CYSMICON);
hMemDC = CreateCompatibleDC(hdc);
hBitmap = CreateCompatibleBitmap(hdc, cx, cy);
hOldBitmap = SelectObject(hMemDC, hBitmap);
SetMapMode(hMemDC, MM_TEXT);
hBrush = CreateSolidBrush(GetSysColor(COLOR_MENU));
DrawIconEx(hMemDC, 0, 0, hIcon, cx, cy, 0, hBrush, DI_NORMAL);
SelectObject (hMemDC, hOldBitmap);
DeleteObject(hBrush);
DeleteDC(hMemDC);
ReleaseDC(hChild, hdc);
hSysMenuBitmap = hBitmap;
}
}
}
else
hSysMenuBitmap = hBmpClose;
if( !InsertMenuA(frame->wIDmenu,0,MF_BYPOSITION | MF_BITMAP | MF_POPUP,
hSysPopup, (LPSTR)(DWORD)hSysMenuBitmap))
{
TRACE("not inserted\n");
DestroyMenu(hSysPopup);
return 0;
}
/* The close button is only present in Win 95 look */
if(TWEAK_WineLook > WIN31_LOOK)
{
AppendMenuA(frame->wIDmenu,MF_HELP | MF_BITMAP,
SC_CLOSE, (LPSTR)(DWORD)HBMMENU_MBAR_CLOSE );
}
EnableMenuItem(hSysPopup, SC_SIZE, MF_BYCOMMAND | MF_GRAYED);
EnableMenuItem(hSysPopup, SC_MOVE, MF_BYCOMMAND | MF_GRAYED);
EnableMenuItem(hSysPopup, SC_MAXIMIZE, MF_BYCOMMAND | MF_GRAYED);
SetMenuDefaultItem(hSysPopup, SC_CLOSE, FALSE);
/* redraw menu */
DrawMenuBar(frame->hwndSelf);
return 1;
}
/**********************************************************************
* MDI_RestoreFrameMenu
*/
static BOOL MDI_RestoreFrameMenu( WND *frameWnd, HWND hChild )
{
MENUITEMINFOA menuInfo;
INT nItems = GetMenuItemCount(frameWnd->wIDmenu) - 1;
UINT iId = GetMenuItemID(frameWnd->wIDmenu,nItems) ;
TRACE("frameWnd %p,(%04x),child %04x,nIt=%d,iId=%d\n",
frameWnd,frameWnd->hwndSelf,hChild,nItems,iId);
if(!(iId == SC_RESTORE || iId == SC_CLOSE) )
return 0;
/*
* Remove the system menu, If that menu is the icon of the window
* as it is in win95, we have to delete the bitmap.
*/
menuInfo.cbSize = sizeof(MENUITEMINFOA);
menuInfo.fMask = MIIM_DATA | MIIM_TYPE;
GetMenuItemInfoA(frameWnd->wIDmenu,
0,
TRUE,
&menuInfo);
RemoveMenu(frameWnd->wIDmenu,0,MF_BYPOSITION);
if ( (menuInfo.fType & MFT_BITMAP) &&
(LOWORD(menuInfo.dwTypeData)!=0) &&
(LOWORD(menuInfo.dwTypeData)!=hBmpClose) )
{
DeleteObject((HBITMAP)LOWORD(menuInfo.dwTypeData));
}
if(TWEAK_WineLook > WIN31_LOOK)
{
/* close */
DeleteMenu(frameWnd->wIDmenu,GetMenuItemCount(frameWnd->wIDmenu) - 1,MF_BYPOSITION);
}
/* restore */
DeleteMenu(frameWnd->wIDmenu,GetMenuItemCount(frameWnd->wIDmenu) - 1,MF_BYPOSITION);
/* minimize */
DeleteMenu(frameWnd->wIDmenu,GetMenuItemCount(frameWnd->wIDmenu) - 1,MF_BYPOSITION);
DrawMenuBar(frameWnd->hwndSelf);
return 1;
}
/**********************************************************************
* MDI_UpdateFrameText
*
* used when child window is maximized/restored
*
* Note: lpTitle can be NULL
*/
static void MDI_UpdateFrameText( WND *frameWnd, HWND hClient,
BOOL repaint, LPCSTR lpTitle )
{
char lpBuffer[MDI_MAXTITLELENGTH+1];
WND* clientWnd = WIN_FindWndPtr(hClient);
MDICLIENTINFO *ci = (MDICLIENTINFO *) clientWnd->wExtra;
TRACE("repaint %i, frameText %s\n", repaint, (lpTitle)?lpTitle:"NULL");
if (!clientWnd)
return;
if (!ci)
{
WIN_ReleaseWndPtr(clientWnd);
return;
}
/* store new "default" title if lpTitle is not NULL */
if (lpTitle)
{
if (ci->frameTitle) HeapFree( SystemHeap, 0, ci->frameTitle );
ci->frameTitle = HEAP_strdupA( SystemHeap, 0, lpTitle );
}
if (ci->frameTitle)
{
WND* childWnd = WIN_FindWndPtr( ci->hwndChildMaximized );
if( childWnd && childWnd->text )
{
/* combine frame title and child title if possible */
LPCSTR lpBracket = " - [";
int i_frame_text_length = strlen(ci->frameTitle);
int i_child_text_length = strlen(childWnd->text);
lstrcpynA( lpBuffer, ci->frameTitle, MDI_MAXTITLELENGTH);
if( i_frame_text_length + 6 < MDI_MAXTITLELENGTH )
{
strcat( lpBuffer, lpBracket );
if( i_frame_text_length + i_child_text_length + 6 < MDI_MAXTITLELENGTH )
{
strcat( lpBuffer, childWnd->text );
strcat( lpBuffer, "]" );
}
else
{
lstrcpynA( lpBuffer + i_frame_text_length + 4,
childWnd->text, MDI_MAXTITLELENGTH - i_frame_text_length - 5 );
strcat( lpBuffer, "]" );
}
}
}
else
{
lstrcpynA(lpBuffer, ci->frameTitle, MDI_MAXTITLELENGTH+1 );
}
WIN_ReleaseWndPtr(childWnd);
}
else
lpBuffer[0] = '\0';
DEFWND_SetText( frameWnd, lpBuffer );
if( repaint == MDI_REPAINTFRAME)
SetWindowPos( frameWnd->hwndSelf, 0,0,0,0,0, SWP_FRAMECHANGED |
SWP_NOSIZE | SWP_NOMOVE | SWP_NOACTIVATE | SWP_NOZORDER );
WIN_ReleaseWndPtr(clientWnd);
}
/* ----------------------------- Interface ---------------------------- */
/**********************************************************************
* MDIClientWndProc
*
* This function handles all MDI requests.
*/
LRESULT WINAPI MDIClientWndProc( HWND hwnd, UINT message, WPARAM wParam,
LPARAM lParam )
{
LPCREATESTRUCTA cs;
MDICLIENTINFO *ci;
RECT rect;
WND *w, *frameWnd;
INT nItems;
LRESULT retvalue;
if ( ( w = WIN_FindWndPtr(hwnd) ) == NULL )
return 0;
if ( ( frameWnd = WIN_LockWndPtr(w->parent) ) == NULL ) {
WIN_ReleaseWndPtr(w);
return 0;
}
ci = (MDICLIENTINFO *) w->wExtra;
switch (message)
{
case WM_CREATE:
cs = (LPCREATESTRUCTA)lParam;
/* Translation layer doesn't know what's in the cs->lpCreateParams
* so we have to keep track of what environment we're in. */
if( w->flags & WIN_ISWIN32 )
{
#define ccs ((LPCLIENTCREATESTRUCT)cs->lpCreateParams)
ci->hWindowMenu = ccs->hWindowMenu;
ci->idFirstChild = ccs->idFirstChild;
#undef ccs
}
else
{
LPCLIENTCREATESTRUCT16 ccs = (LPCLIENTCREATESTRUCT16)
PTR_SEG_TO_LIN(cs->lpCreateParams);
ci->hWindowMenu = ccs->hWindowMenu;
ci->idFirstChild = ccs->idFirstChild;
}
ci->hwndChildMaximized = 0;
ci->nActiveChildren = 0;
ci->nTotalCreated = 0;
ci->frameTitle = NULL;
ci->mdiFlags = 0;
ci->self = hwnd;
w->dwStyle |= WS_CLIPCHILDREN;
if (!hBmpClose)
{
hBmpClose = CreateMDIMenuBitmap();
hBmpRestore = LoadBitmap16( 0, MAKEINTRESOURCE16(OBM_RESTORE) );
}
MDI_UpdateFrameText(frameWnd, hwnd, MDI_NOFRAMEREPAINT,frameWnd->text);
if (ci->hWindowMenu != 0)
AppendMenuA( ci->hWindowMenu, MF_SEPARATOR, 0, NULL );
GetClientRect(frameWnd->hwndSelf, &rect);
NC_HandleNCCalcSize( w, &rect );
w->rectClient = rect;
TRACE("Client created - hwnd = %04x, idFirst = %u\n",
hwnd, ci->idFirstChild );
retvalue = 0;
goto END;
case WM_DESTROY:
if( ci->hwndChildMaximized )
MDI_RestoreFrameMenu(w->parent, ci->hwndChildMaximized);
if((ci->hWindowMenu != 0) &&
(nItems = GetMenuItemCount(ci->hWindowMenu)) > 0)
{
ci->idFirstChild = nItems - 1;
ci->nActiveChildren++; /* to delete a separator */
while( ci->nActiveChildren-- )
DeleteMenu(ci->hWindowMenu,MF_BYPOSITION,ci->idFirstChild--);
}
retvalue = 0;
goto END;
case WM_MDIACTIVATE:
if( ci->hwndActiveChild != (HWND)wParam )
SetWindowPos((HWND)wParam, 0,0,0,0,0, SWP_NOSIZE | SWP_NOMOVE);
retvalue = 0;
goto END;
case WM_MDICASCADE:
retvalue = MDICascade(w, ci);
goto END;
case WM_MDICREATE:
if (lParam) retvalue = MDICreateChild( w, ci, hwnd,
(MDICREATESTRUCTA*)lParam );
else retvalue = 0;
goto END;
case WM_MDIDESTROY:
retvalue = MDIDestroyChild( w, ci, hwnd, (HWND)wParam, TRUE );
goto END;
case WM_MDIGETACTIVE:
if (lParam) *(BOOL *)lParam = (ci->hwndChildMaximized > 0);
retvalue = ci->hwndActiveChild;
goto END;
case WM_MDIICONARRANGE:
ci->mdiFlags |= MDIF_NEEDUPDATE;
ArrangeIconicWindows(hwnd);
ci->sbRecalc = SB_BOTH+1;
SendMessageA(hwnd, WM_MDICALCCHILDSCROLL, 0, 0L);
retvalue = 0;
goto END;
case WM_MDIMAXIMIZE:
ShowWindow( (HWND)wParam, SW_MAXIMIZE );
retvalue = 0;
goto END;
case WM_MDINEXT: /* lParam != 0 means previous window */
MDI_SwitchActiveChild(hwnd, (HWND)wParam, (lParam)? FALSE : TRUE );
break;
case WM_MDIRESTORE:
SendMessageA( (HWND)wParam, WM_SYSCOMMAND, SC_RESTORE, 0);
retvalue = 0;
goto END;
case WM_MDISETMENU:
retvalue = MDISetMenu( hwnd, (HMENU)wParam, (HMENU)lParam );
goto END;
case WM_MDIREFRESHMENU:
retvalue = MDIRefreshMenu( hwnd, (HMENU)wParam, (HMENU)lParam );
goto END;
case WM_MDITILE:
ci->mdiFlags |= MDIF_NEEDUPDATE;
ShowScrollBar(hwnd,SB_BOTH,FALSE);
MDITile(w, ci, wParam);
ci->mdiFlags &= ~MDIF_NEEDUPDATE;
retvalue = 0;
goto END;
case WM_VSCROLL:
case WM_HSCROLL:
ci->mdiFlags |= MDIF_NEEDUPDATE;
ScrollChildren(hwnd, message, wParam, lParam);
ci->mdiFlags &= ~MDIF_NEEDUPDATE;
retvalue = 0;
goto END;
case WM_SETFOCUS:
if( ci->hwndActiveChild )
{
WND* pw = WIN_FindWndPtr( ci->hwndActiveChild );
if( !(pw->dwStyle & WS_MINIMIZE) )
SetFocus( ci->hwndActiveChild );
WIN_ReleaseWndPtr(pw);
}
retvalue = 0;
goto END;
case WM_NCACTIVATE:
if( ci->hwndActiveChild )
SendMessageA(ci->hwndActiveChild, message, wParam, lParam);
break;
case WM_PARENTNOTIFY:
if (LOWORD(wParam) == WM_LBUTTONDOWN)
{
POINT16 pt = MAKEPOINT16(lParam);
HWND16 child = ChildWindowFromPoint16(hwnd, pt);
TRACE("notification from %04x (%i,%i)\n",child,pt.x,pt.y);
if( child && child != hwnd && child != ci->hwndActiveChild )
SetWindowPos(child, 0,0,0,0,0, SWP_NOSIZE | SWP_NOMOVE );
}
retvalue = 0;
goto END;
case WM_SIZE:
if( IsWindow(ci->hwndChildMaximized) )
{
WND* child = WIN_FindWndPtr(ci->hwndChildMaximized);
RECT rect;
rect.left = 0;
rect.top = 0;
rect.right = LOWORD(lParam);
rect.bottom = HIWORD(lParam);
AdjustWindowRectEx(&rect, child->dwStyle, 0, child->dwExStyle);
MoveWindow(ci->hwndChildMaximized, rect.left, rect.top,
rect.right - rect.left, rect.bottom - rect.top, 1);
WIN_ReleaseWndPtr(child);
}
else
MDI_PostUpdate(hwnd, ci, SB_BOTH+1);
break;
case WM_MDICALCCHILDSCROLL:
if( (ci->mdiFlags & MDIF_NEEDUPDATE) && ci->sbRecalc )
{
CalcChildScroll16(hwnd, ci->sbRecalc-1);
ci->sbRecalc = 0;
ci->mdiFlags &= ~MDIF_NEEDUPDATE;
}
retvalue = 0;
goto END;
}
retvalue = DefWindowProcA( hwnd, message, wParam, lParam );
END:
WIN_ReleaseWndPtr(w);
WIN_ReleaseWndPtr(frameWnd);
return retvalue;
}
/***********************************************************************
* DefFrameProc16 (USER.445)
*/
LRESULT WINAPI DefFrameProc16( HWND16 hwnd, HWND16 hwndMDIClient,
UINT16 message, WPARAM16 wParam, LPARAM lParam )
{
HWND16 childHwnd;
MDICLIENTINFO* ci;
WND* wndPtr;
if (hwndMDIClient)
{
switch (message)
{
case WM_COMMAND:
wndPtr = WIN_FindWndPtr(hwndMDIClient);
if (!wndPtr) {
ERR("null wndPtr for mdi window hwndMDIClient=%04x\n",
hwndMDIClient);
return 0;
}
ci = (MDICLIENTINFO*)wndPtr->wExtra;
/* check for possible syscommands for maximized MDI child */
WIN_ReleaseWndPtr(wndPtr);
if( ci && (
wParam < ci->idFirstChild ||
wParam >= ci->idFirstChild + ci->nActiveChildren
)){
if( (wParam - 0xF000) & 0xF00F ) break;
switch( wParam )
{
case SC_SIZE:
case SC_MOVE:
case SC_MINIMIZE:
case SC_MAXIMIZE:
case SC_NEXTWINDOW:
case SC_PREVWINDOW:
case SC_CLOSE:
case SC_RESTORE:
if( ci->hwndChildMaximized )
return SendMessage16( ci->hwndChildMaximized, WM_SYSCOMMAND,
wParam, lParam);
}
}
else
{
wndPtr = WIN_FindWndPtr(hwndMDIClient);
childHwnd = MDI_GetChildByID(wndPtr,wParam );
WIN_ReleaseWndPtr(wndPtr);
if( childHwnd )
SendMessage16(hwndMDIClient, WM_MDIACTIVATE,
(WPARAM16)childHwnd , 0L);
}
break;
case WM_NCACTIVATE:
SendMessage16(hwndMDIClient, message, wParam, lParam);
break;
case WM_SETTEXT:
wndPtr = WIN_FindWndPtr(hwnd);
MDI_UpdateFrameText(wndPtr, hwndMDIClient,
MDI_REPAINTFRAME,
(LPCSTR)PTR_SEG_TO_LIN(lParam));
WIN_ReleaseWndPtr(wndPtr);
return 0;
case WM_SETFOCUS:
SetFocus(hwndMDIClient);
break;
case WM_SIZE:
MoveWindow16(hwndMDIClient, 0, 0,
LOWORD(lParam), HIWORD(lParam), TRUE);
break;
case WM_NEXTMENU:
wndPtr = WIN_FindWndPtr(hwndMDIClient);
ci = (MDICLIENTINFO*)wndPtr->wExtra;
if( !(wndPtr->parent->dwStyle & WS_MINIMIZE)
&& ci->hwndActiveChild && !ci->hwndChildMaximized )
{
/* control menu is between the frame system menu and
* the first entry of menu bar */
if( (wParam == VK_LEFT &&
wndPtr->parent->wIDmenu == LOWORD(lParam)) ||
(wParam == VK_RIGHT &&
GetSubMenu16(wndPtr->parent->hSysMenu, 0) == LOWORD(lParam)) )
{
LRESULT retvalue;
WIN_ReleaseWndPtr(wndPtr);
wndPtr = WIN_FindWndPtr(ci->hwndActiveChild);
retvalue = MAKELONG( GetSubMenu16(wndPtr->hSysMenu, 0),
ci->hwndActiveChild);
WIN_ReleaseWndPtr(wndPtr);
return retvalue;
}
}
WIN_ReleaseWndPtr(wndPtr);
break;
}
}
return DefWindowProc16(hwnd, message, wParam, lParam);
}
/***********************************************************************
* DefFrameProc32A (USER32.122)
*/
LRESULT WINAPI DefFrameProcA( HWND hwnd, HWND hwndMDIClient,
UINT message, WPARAM wParam, LPARAM lParam)
{
if (hwndMDIClient)
{
switch (message)
{
case WM_COMMAND:
return DefFrameProc16( hwnd, hwndMDIClient, message,
(WPARAM16)wParam,
MAKELPARAM( (HWND16)lParam, HIWORD(wParam) ) );
case WM_NCACTIVATE:
SendMessageA(hwndMDIClient, message, wParam, lParam);
break;
case WM_SETTEXT: {
LRESULT ret;
LPSTR segstr = SEGPTR_STRDUP((LPSTR)lParam);
ret = DefFrameProc16(hwnd, hwndMDIClient, message,
wParam, (LPARAM)SEGPTR_GET(segstr) );
SEGPTR_FREE(segstr);
return ret;
}
case WM_NEXTMENU:
case WM_SETFOCUS:
case WM_SIZE:
return DefFrameProc16( hwnd, hwndMDIClient, message,
wParam, lParam );
}
}
return DefWindowProcA(hwnd, message, wParam, lParam);
}
/***********************************************************************
* DefFrameProc32W (USER32.123)
*/
LRESULT WINAPI DefFrameProcW( HWND hwnd, HWND hwndMDIClient,
UINT message, WPARAM wParam, LPARAM lParam)
{
if (hwndMDIClient)
{
switch (message)
{
case WM_COMMAND:
return DefFrameProc16( hwnd, hwndMDIClient, message,
(WPARAM16)wParam,
MAKELPARAM( (HWND16)lParam, HIWORD(wParam) ) );
case WM_NCACTIVATE:
SendMessageW(hwndMDIClient, message, wParam, lParam);
break;
case WM_SETTEXT:
{
LPSTR txt = HEAP_strdupWtoA(GetProcessHeap(),0,(LPWSTR)lParam);
LRESULT ret = DefFrameProcA( hwnd, hwndMDIClient, message,
wParam, (DWORD)txt );
HeapFree(GetProcessHeap(),0,txt);
return ret;
}
case WM_NEXTMENU:
case WM_SETFOCUS:
case WM_SIZE:
return DefFrameProcA( hwnd, hwndMDIClient, message,
wParam, lParam );
}
}
return DefWindowProcW( hwnd, message, wParam, lParam );
}
/***********************************************************************
* DefMDIChildProc16 (USER.447)
*/
LRESULT WINAPI DefMDIChildProc16( HWND16 hwnd, UINT16 message,
WPARAM16 wParam, LPARAM lParam )
{
MDICLIENTINFO *ci;
WND *clientWnd,*tmpWnd = 0;
LRESULT retvalue;
tmpWnd = WIN_FindWndPtr(hwnd);
if (!tmpWnd) return 0;
clientWnd = WIN_FindWndPtr(tmpWnd->parent->hwndSelf);
ci = (MDICLIENTINFO *) clientWnd->wExtra;
WIN_ReleaseWndPtr(tmpWnd);
switch (message)
{
case WM_SETTEXT:
DefWindowProc16(hwnd, message, wParam, lParam);
MDI_MenuModifyItem(clientWnd,hwnd);
if( ci->hwndChildMaximized == hwnd )
MDI_UpdateFrameText( clientWnd->parent, ci->self,
MDI_REPAINTFRAME, NULL );
retvalue = 0;
goto END;
case WM_CLOSE:
SendMessage16(ci->self,WM_MDIDESTROY,(WPARAM16)hwnd,0L);
retvalue = 0;
goto END;
case WM_SETFOCUS:
if( ci->hwndActiveChild != hwnd )
MDI_ChildActivate(clientWnd, hwnd);
break;
case WM_CHILDACTIVATE:
MDI_ChildActivate(clientWnd, hwnd);
retvalue = 0;
goto END;
case WM_NCPAINT:
TRACE("WM_NCPAINT for %04x, active %04x\n",
hwnd, ci->hwndActiveChild );
break;
case WM_SYSCOMMAND:
switch( wParam )
{
case SC_MOVE:
if( ci->hwndChildMaximized == hwnd)
{
retvalue = 0;
goto END;
}
break;
case SC_RESTORE:
case SC_MINIMIZE:
tmpWnd = WIN_FindWndPtr(hwnd);
tmpWnd->dwStyle |= WS_SYSMENU;
WIN_ReleaseWndPtr(tmpWnd);
break;
case SC_MAXIMIZE:
if( ci->hwndChildMaximized == hwnd)
{
retvalue = SendMessage16( clientWnd->parent->hwndSelf,
message, wParam, lParam);
goto END;
}
tmpWnd = WIN_FindWndPtr(hwnd);
tmpWnd->dwStyle &= ~WS_SYSMENU;
WIN_ReleaseWndPtr(tmpWnd);
break;
case SC_NEXTWINDOW:
SendMessage16( ci->self, WM_MDINEXT, 0, 0);
retvalue = 0;
goto END;
case SC_PREVWINDOW:
SendMessage16( ci->self, WM_MDINEXT, 0, 1);
retvalue = 0;
goto END;
}
break;
case WM_GETMINMAXINFO:
MDI_ChildGetMinMaxInfo(clientWnd, hwnd, (MINMAXINFO16*) PTR_SEG_TO_LIN(lParam));
retvalue = 0;
goto END;
case WM_SETVISIBLE:
if( ci->hwndChildMaximized) ci->mdiFlags &= ~MDIF_NEEDUPDATE;
else
MDI_PostUpdate(clientWnd->hwndSelf, ci, SB_BOTH+1);
break;
case WM_SIZE:
/* do not change */
if( ci->hwndActiveChild == hwnd && wParam != SIZE_MAXIMIZED )
{
ci->hwndChildMaximized = 0;
MDI_RestoreFrameMenu( clientWnd->parent, hwnd);
MDI_UpdateFrameText( clientWnd->parent, ci->self,
MDI_REPAINTFRAME, NULL );
}
if( wParam == SIZE_MAXIMIZED )
{
HWND16 hMaxChild = ci->hwndChildMaximized;
if( hMaxChild == hwnd ) break;
if( hMaxChild)
{
SendMessage16( hMaxChild, WM_SETREDRAW, FALSE, 0L );
MDI_RestoreFrameMenu( clientWnd->parent, hMaxChild);
ShowWindow16( hMaxChild, SW_SHOWNOACTIVATE);
SendMessage16( hMaxChild, WM_SETREDRAW, TRUE, 0L );
}
TRACE("maximizing child %04x\n", hwnd );
ci->hwndChildMaximized = hwnd; /* !!! */
ci->hwndActiveChild = hwnd;
MDI_AugmentFrameMenu( ci, clientWnd->parent, hwnd);
MDI_UpdateFrameText( clientWnd->parent, ci->self,
MDI_REPAINTFRAME, NULL );
}
if( wParam == SIZE_MINIMIZED )
{
HWND16 switchTo = MDI_GetWindow(clientWnd, hwnd, TRUE, WS_MINIMIZE);
if( switchTo )
SendMessage16( switchTo, WM_CHILDACTIVATE, 0, 0L);
}
MDI_PostUpdate(clientWnd->hwndSelf, ci, SB_BOTH+1);
break;
case WM_MENUCHAR:
/* MDI children don't have menu bars */
retvalue = 0x00010000L;
goto END;
case WM_NEXTMENU:
if( wParam == VK_LEFT ) /* switch to frame system menu */
{
retvalue = MAKELONG( GetSubMenu16(clientWnd->parent->hSysMenu, 0),
clientWnd->parent->hwndSelf );
goto END;
}
if( wParam == VK_RIGHT ) /* to frame menu bar */
{
retvalue = MAKELONG( clientWnd->parent->wIDmenu,
clientWnd->parent->hwndSelf );
goto END;
}
break;
case WM_SYSCHAR:
if (wParam == '-')
{
SendMessage16(hwnd,WM_SYSCOMMAND,
(WPARAM16)SC_KEYMENU, (LPARAM)(DWORD)VK_SPACE);
retvalue = 0;
goto END;
}
}
retvalue = DefWindowProc16(hwnd, message, wParam, lParam);
END:
WIN_ReleaseWndPtr(clientWnd);
return retvalue;
}
/***********************************************************************
* DefMDIChildProc32A (USER32.124)
*/
LRESULT WINAPI DefMDIChildProcA( HWND hwnd, UINT message,
WPARAM wParam, LPARAM lParam )
{
MDICLIENTINFO *ci;
WND *clientWnd,*tmpWnd;
LRESULT retvalue;
tmpWnd = WIN_FindWndPtr(hwnd);
if (!tmpWnd) return 0;
clientWnd = WIN_FindWndPtr(tmpWnd->parent->hwndSelf);
ci = (MDICLIENTINFO *) clientWnd->wExtra;
WIN_ReleaseWndPtr(tmpWnd);
switch (message)
{
case WM_SETTEXT:
DefWindowProcA(hwnd, message, wParam, lParam);
MDI_MenuModifyItem(clientWnd,hwnd);
if( ci->hwndChildMaximized == hwnd )
MDI_UpdateFrameText( clientWnd->parent, ci->self,
MDI_REPAINTFRAME, NULL );
retvalue = 0;
goto END;
case WM_GETMINMAXINFO:
{
MINMAXINFO16 mmi;
STRUCT32_MINMAXINFO32to16( (MINMAXINFO *)lParam, &mmi );
MDI_ChildGetMinMaxInfo( clientWnd, hwnd, &mmi );
STRUCT32_MINMAXINFO16to32( &mmi, (MINMAXINFO *)lParam );
}
retvalue = 0;
goto END;
case WM_MENUCHAR:
/* MDI children don't have menu bars */
retvalue = 0x00010000L;
goto END;
case WM_CLOSE:
case WM_SETFOCUS:
case WM_CHILDACTIVATE:
case WM_NCPAINT:
case WM_SYSCOMMAND:
case WM_SETVISIBLE:
case WM_SIZE:
case WM_NEXTMENU:
retvalue = DefMDIChildProc16( hwnd, message, (WPARAM16)wParam, lParam );
goto END;
case WM_SYSCHAR:
if (wParam == '-')
{
SendMessageA(hwnd,WM_SYSCOMMAND,
(WPARAM)SC_KEYMENU, (LPARAM)(DWORD)VK_SPACE);
retvalue = 0;
goto END;
}
}
retvalue = DefWindowProcA(hwnd, message, wParam, lParam);
END:
WIN_ReleaseWndPtr(clientWnd);
return retvalue;
}
/***********************************************************************
* DefMDIChildProc32W (USER32.125)
*/
LRESULT WINAPI DefMDIChildProcW( HWND hwnd, UINT message,
WPARAM wParam, LPARAM lParam )
{
MDICLIENTINFO *ci;
WND *clientWnd,*tmpWnd;
LRESULT retvalue;
tmpWnd = WIN_FindWndPtr(hwnd);
if (!tmpWnd) return 0;
clientWnd = WIN_FindWndPtr(tmpWnd->parent->hwndSelf);
ci = (MDICLIENTINFO *) clientWnd->wExtra;
WIN_ReleaseWndPtr(tmpWnd);
switch (message)
{
case WM_SETTEXT:
DefWindowProcW(hwnd, message, wParam, lParam);
MDI_MenuModifyItem(clientWnd,hwnd);
if( ci->hwndChildMaximized == hwnd )
MDI_UpdateFrameText( clientWnd->parent, ci->self,
MDI_REPAINTFRAME, NULL );
retvalue = 0;
goto END;
case WM_GETMINMAXINFO:
case WM_MENUCHAR:
case WM_CLOSE:
case WM_SETFOCUS:
case WM_CHILDACTIVATE:
case WM_NCPAINT:
case WM_SYSCOMMAND:
case WM_SETVISIBLE:
case WM_SIZE:
case WM_NEXTMENU:
retvalue = DefMDIChildProcA( hwnd, message, (WPARAM16)wParam, lParam );
goto END;
case WM_SYSCHAR:
if (wParam == '-')
{
SendMessageW(hwnd,WM_SYSCOMMAND,
(WPARAM)SC_KEYMENU, (LPARAM)(DWORD)VK_SPACE);
retvalue = 0;
goto END;
}
}
retvalue = DefWindowProcW(hwnd, message, wParam, lParam);
END:
WIN_ReleaseWndPtr(clientWnd);
return retvalue;
}
/**********************************************************************
* CreateMDIWindowA [USER32.79] Creates a MDI child in new thread
* FIXME: its in the same thread now
*
* RETURNS
* Success: Handle to created window
* Failure: NULL
*/
HWND WINAPI CreateMDIWindowA(
LPCSTR lpClassName, /* [in] Pointer to registered child class name */
LPCSTR lpWindowName, /* [in] Pointer to window name */
DWORD dwStyle, /* [in] Window style */
INT X, /* [in] Horizontal position of window */
INT Y, /* [in] Vertical position of window */
INT nWidth, /* [in] Width of window */
INT nHeight, /* [in] Height of window */
HWND hWndParent, /* [in] Handle to parent window */
HINSTANCE hInstance, /* [in] Handle to application instance */
LPARAM lParam) /* [in] Application-defined value */
{
WARN("is only single threaded!\n");
return MDI_CreateMDIWindowA(lpClassName, lpWindowName, dwStyle, X, Y,
nWidth, nHeight, hWndParent, hInstance, lParam);
}
/**********************************************************************
* MDI_CreateMDIWindowA
* single threaded version of CreateMDIWindowA
* called by CreateWindowEx32A
*/
HWND MDI_CreateMDIWindowA(
LPCSTR lpClassName,
LPCSTR lpWindowName,
DWORD dwStyle,
INT X,
INT Y,
INT nWidth,
INT nHeight,
HWND hWndParent,
HINSTANCE hInstance,
LPARAM lParam)
{
MDICLIENTINFO* pCi;
MDICREATESTRUCTA cs;
WND *pWnd=WIN_FindWndPtr(hWndParent);
HWND retvalue;
TRACE("(%s,%s,%ld,%d,%d,%d,%d,%x,%d,%ld)\n",
debugstr_a(lpClassName),debugstr_a(lpWindowName),dwStyle,X,Y,
nWidth,nHeight,hWndParent,hInstance,lParam);
if(!pWnd){
ERR(" bad hwnd for MDI-client: %d\n",hWndParent);
return 0;
}
cs.szClass=lpClassName;
cs.szTitle=lpWindowName;
cs.hOwner=hInstance;
cs.x=X;
cs.y=Y;
cs.cx=nWidth;
cs.cy=nHeight;
cs.style=dwStyle;
cs.lParam=lParam;
pCi=(MDICLIENTINFO *)pWnd->wExtra;
retvalue = MDICreateChild(pWnd,pCi,hWndParent,&cs);
WIN_ReleaseWndPtr(pWnd);
return retvalue;
}
/***************************************
* CreateMDIWindow32W [USER32.80] Creates a MDI child in new thread
*
* RETURNS
* Success: Handle to created window
* Failure: NULL
*/
HWND WINAPI CreateMDIWindowW(
LPCWSTR lpClassName, /* [in] Pointer to registered child class name */
LPCWSTR lpWindowName, /* [in] Pointer to window name */
DWORD dwStyle, /* [in] Window style */
INT X, /* [in] Horizontal position of window */
INT Y, /* [in] Vertical position of window */
INT nWidth, /* [in] Width of window */
INT nHeight, /* [in] Height of window */
HWND hWndParent, /* [in] Handle to parent window */
HINSTANCE hInstance, /* [in] Handle to application instance */
LPARAM lParam) /* [in] Application-defined value */
{
FIXME("(%s,%s,%ld,%d,%d,%d,%d,%x,%d,%ld): stub\n",
debugstr_w(lpClassName),debugstr_w(lpWindowName),dwStyle,X,Y,
nWidth,nHeight,hWndParent,hInstance,lParam);
return (HWND)NULL;
}
/******************************************************************************
* CreateMDIWindow32W [USER32.80] Creates a MDI child window
* single threaded version of CreateMDIWindow
* called by CreateWindowEx32W().
*/
HWND MDI_CreateMDIWindowW(
LPCWSTR lpClassName, /* [in] Pointer to registered child class name */
LPCWSTR lpWindowName, /* [in] Pointer to window name */
DWORD dwStyle, /* [in] Window style */
INT X, /* [in] Horizontal position of window */
INT Y, /* [in] Vertical position of window */
INT nWidth, /* [in] Width of window */
INT nHeight, /* [in] Height of window */
HWND hWndParent, /* [in] Handle to parent window */
HINSTANCE hInstance, /* [in] Handle to application instance */
LPARAM lParam) /* [in] Application-defined value */
{
FIXME("(%s,%s,%ld,%d,%d,%d,%d,%x,%d,%ld): stub\n",
debugstr_w(lpClassName),debugstr_w(lpWindowName),dwStyle,X,Y,
nWidth,nHeight,hWndParent,hInstance,lParam);
return (HWND)NULL;
}
/**********************************************************************
* TranslateMDISysAccel32 (USER32.555)
*/
BOOL WINAPI TranslateMDISysAccel( HWND hwndClient, LPMSG msg )
{
MSG16 msg16;
STRUCT32_MSG32to16(msg,&msg16);
/* MDICLIENTINFO is still the same for win32 and win16 ... */
return TranslateMDISysAccel16(hwndClient,&msg16);
}
/**********************************************************************
* TranslateMDISysAccel16 (USER.451)
*/
BOOL16 WINAPI TranslateMDISysAccel16( HWND16 hwndClient, LPMSG16 msg )
{
if( IsWindow(hwndClient) && (msg->message == WM_KEYDOWN || msg->message == WM_SYSKEYDOWN))
{
MDICLIENTINFO *ci = NULL;
HWND wnd;
WND *clientWnd = WIN_FindWndPtr(hwndClient);
ci = (MDICLIENTINFO*) clientWnd->wExtra;
wnd = ci->hwndActiveChild;
WIN_ReleaseWndPtr(clientWnd);
if( IsWindow(wnd) && !(GetWindowLongA(wnd,GWL_STYLE) & WS_DISABLED) )
{
WPARAM16 wParam = 0;
/* translate if the Ctrl key is down and Alt not. */
if( (GetKeyState(VK_CONTROL) & 0x8000) &&
!(GetKeyState(VK_MENU) & 0x8000))
{
switch( msg->wParam )
{
case VK_F6:
case VK_TAB:
wParam = ( GetKeyState(VK_SHIFT) & 0x8000 )
? SC_NEXTWINDOW : SC_PREVWINDOW;
break;
case VK_F4:
case VK_RBUTTON:
wParam = SC_CLOSE;
break;
default:
return 0;
}
TRACE("wParam = %04x\n", wParam);
SendMessage16( ci->hwndActiveChild, WM_SYSCOMMAND,
wParam, (LPARAM)msg->wParam);
return 1;
}
}
}
return 0; /* failure */
}
/***********************************************************************
* CalcChildScroll (USER.462)
*/
void WINAPI CalcChildScroll16( HWND16 hwnd, WORD scroll )
{
SCROLLINFO info;
RECT childRect, clientRect;
INT vmin, vmax, hmin, hmax, vpos, hpos;
WND *pWnd, *Wnd;
if (!(pWnd = WIN_FindWndPtr( hwnd ))) return;
Wnd = WIN_FindWndPtr(hwnd);
GetClientRect( hwnd, &clientRect );
SetRectEmpty( &childRect );
for ( WIN_UpdateWndPtr(&pWnd,pWnd->child); pWnd; WIN_UpdateWndPtr(&pWnd,pWnd->next))
{
if( pWnd->dwStyle & WS_MAXIMIZE )
{
ShowScrollBar(hwnd, SB_BOTH, FALSE);
WIN_ReleaseWndPtr(pWnd);
WIN_ReleaseWndPtr(Wnd);
return;
}
UnionRect( &childRect, &pWnd->rectWindow, &childRect );
}
WIN_ReleaseWndPtr(pWnd);
UnionRect( &childRect, &clientRect, &childRect );
hmin = childRect.left; hmax = childRect.right - clientRect.right;
hpos = clientRect.left - childRect.left;
vmin = childRect.top; vmax = childRect.bottom - clientRect.bottom;
vpos = clientRect.top - childRect.top;
switch( scroll )
{
case SB_HORZ:
vpos = hpos; vmin = hmin; vmax = hmax;
case SB_VERT:
info.cbSize = sizeof(info);
info.nMax = vmax; info.nMin = vmin; info.nPos = vpos;
info.fMask = SIF_POS | SIF_RANGE;
SetScrollInfo(hwnd, scroll, &info, TRUE);
break;
case SB_BOTH:
SCROLL_SetNCSbState( Wnd, vmin, vmax, vpos,
hmin, hmax, hpos);
}
WIN_ReleaseWndPtr(Wnd);
}
/***********************************************************************
* ScrollChildren16 (USER.463)
*/
void WINAPI ScrollChildren16(HWND16 hWnd, UINT16 uMsg, WPARAM16 wParam, LPARAM lParam)
{
ScrollChildren( hWnd, uMsg, wParam, lParam );
}
/***********************************************************************
* ScrollChildren32 (USER32.448)
*/
void WINAPI ScrollChildren(HWND hWnd, UINT uMsg, WPARAM wParam,
LPARAM lParam)
{
WND *wndPtr = WIN_FindWndPtr(hWnd);
INT newPos = -1;
INT curPos, length, minPos, maxPos, shift;
if( !wndPtr ) return;
if( uMsg == WM_HSCROLL )
{
GetScrollRange(hWnd,SB_HORZ,&minPos,&maxPos);
curPos = GetScrollPos(hWnd,SB_HORZ);
length = (wndPtr->rectClient.right - wndPtr->rectClient.left)/2;
shift = GetSystemMetrics(SM_CYHSCROLL);
}
else if( uMsg == WM_VSCROLL )
{
GetScrollRange(hWnd,SB_VERT,&minPos,&maxPos);
curPos = GetScrollPos(hWnd,SB_VERT);
length = (wndPtr->rectClient.bottom - wndPtr->rectClient.top)/2;
shift = GetSystemMetrics(SM_CXVSCROLL);
}
else
{
WIN_ReleaseWndPtr(wndPtr);
return;
}
WIN_ReleaseWndPtr(wndPtr);
switch( wParam )
{
case SB_LINEUP:
newPos = curPos - shift;
break;
case SB_LINEDOWN:
newPos = curPos + shift;
break;
case SB_PAGEUP:
newPos = curPos - length;
break;
case SB_PAGEDOWN:
newPos = curPos + length;
break;
case SB_THUMBPOSITION:
newPos = LOWORD(lParam);
break;
case SB_THUMBTRACK:
return;
case SB_TOP:
newPos = minPos;
break;
case SB_BOTTOM:
newPos = maxPos;
break;
case SB_ENDSCROLL:
CalcChildScroll16(hWnd,(uMsg == WM_VSCROLL)?SB_VERT:SB_HORZ);
return;
}
if( newPos > maxPos )
newPos = maxPos;
else
if( newPos < minPos )
newPos = minPos;
SetScrollPos(hWnd, (uMsg == WM_VSCROLL)?SB_VERT:SB_HORZ , newPos, TRUE);
if( uMsg == WM_VSCROLL )
ScrollWindowEx(hWnd ,0 ,curPos - newPos, NULL, NULL, 0, NULL,
SW_INVALIDATE | SW_ERASE | SW_SCROLLCHILDREN );
else
ScrollWindowEx(hWnd ,curPos - newPos, 0, NULL, NULL, 0, NULL,
SW_INVALIDATE | SW_ERASE | SW_SCROLLCHILDREN );
}
/******************************************************************************
* CascadeWindows [USER32.21] Cascades MDI child windows
*
* RETURNS
* Success: Number of cascaded windows.
* Failure: 0
*/
WORD WINAPI
CascadeWindows (HWND hwndParent, UINT wFlags, const LPRECT lpRect,
UINT cKids, const HWND *lpKids)
{
FIXME("(0x%08x,0x%08x,...,%u,...): stub\n",
hwndParent, wFlags, cKids);
return 0;
}
/******************************************************************************
* TileWindows [USER32.545] Tiles MDI child windows
*
* RETURNS
* Success: Number of tiled windows.
* Failure: 0
*/
WORD WINAPI
TileWindows (HWND hwndParent, UINT wFlags, const LPRECT lpRect,
UINT cKids, const HWND *lpKids)
{
FIXME("(0x%08x,0x%08x,...,%u,...): stub\n",
hwndParent, wFlags, cKids);
return 0;
}
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