/* MDI.C * * Copyright 1994, Bob Amstadt * 1995,1996 Alex Korobka * * This file contains routines to support MDI 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 #include #include #include #include "windows.h" #include "win.h" #include "heap.h" #include "nonclient.h" #include "mdi.h" #include "user.h" #include "menu.h" #include "resource.h" #include "struct32.h" #include "sysmetrics.h" #include "stddebug.h" #include "debug.h" #define MDIF_NEEDUPDATE 0x0001 static HBITMAP16 hBmpClose = 0; static HBITMAP16 hBmpRestore = 0; DWORD SCROLL_SetNCSbState(WND*,int,int,int,int,int,int); /* ----------------- declarations ----------------- */ static void MDI_UpdateFrameText(WND *, HWND32, BOOL32, LPCSTR); static BOOL32 MDI_AugmentFrameMenu(MDICLIENTINFO*, WND *, HWND32); static BOOL32 MDI_RestoreFrameMenu(WND *, HWND32); static LONG MDI_ChildActivate( WND*, HWND32 ); /* -------- Miscellaneous service functions ---------- * * MDI_GetChildByID */ static HWND32 MDI_GetChildByID(WND* wndPtr, INT32 id) { for (wndPtr = wndPtr->child; wndPtr; wndPtr = wndPtr->next) if (wndPtr->wIDmenu == id) return wndPtr->hwndSelf; return 0; } static void MDI_PostUpdate(HWND32 hwnd, MDICLIENTINFO* ci, WORD recalc) { if( !(ci->mdiFlags & MDIF_NEEDUPDATE) ) { ci->mdiFlags |= MDIF_NEEDUPDATE; PostMessage32A( hwnd, WM_MDICALCCHILDSCROLL, 0, 0); } ci->sbRecalc = recalc; } /********************************************************************** * MDI_MenuModifyItem */ static BOOL32 MDI_MenuModifyItem(WND* clientWnd, HWND32 hWndChild ) { char buffer[128]; MDICLIENTINFO *clientInfo = (MDICLIENTINFO*)clientWnd->wExtra; WND *wndPtr = WIN_FindWndPtr(hWndChild); UINT32 n = sprintf(buffer, "%d ", wndPtr->wIDmenu - clientInfo->idFirstChild + 1); BOOL32 bRet = 0; if( !clientInfo->hWindowMenu ) return 0; if (wndPtr->text) lstrcpyn32A(buffer + n, wndPtr->text, sizeof(buffer) - n ); n = GetMenuState32(clientInfo->hWindowMenu,wndPtr->wIDmenu ,MF_BYCOMMAND); bRet = ModifyMenu32A(clientInfo->hWindowMenu , wndPtr->wIDmenu, MF_BYCOMMAND | MF_STRING, wndPtr->wIDmenu, buffer ); CheckMenuItem32(clientInfo->hWindowMenu ,wndPtr->wIDmenu , n & MF_CHECKED); return bRet; } /********************************************************************** * MDI_MenuDeleteItem */ static BOOL32 MDI_MenuDeleteItem(WND* clientWnd, HWND32 hWndChild ) { char buffer[128]; MDICLIENTINFO *clientInfo = (MDICLIENTINFO*)clientWnd->wExtra; WND *wndPtr = WIN_FindWndPtr(hWndChild); UINT32 index = 0,id,n; if( !clientInfo->nActiveChildren || !clientInfo->hWindowMenu ) return 0; id = wndPtr->wIDmenu; DeleteMenu32(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++ ) { wndPtr = WIN_FindWndPtr(MDI_GetChildByID(clientWnd,index)); if( !wndPtr ) { dprintf_mdi(stddeb,"MDIMenuDeleteItem: no window for id=%i\n",index); continue; } /* set correct id */ wndPtr->wIDmenu--; n = sprintf(buffer, "%d ",index - clientInfo->idFirstChild); if (wndPtr->text) lstrcpyn32A(buffer + n, wndPtr->text, sizeof(buffer) - n ); /* change menu */ ModifyMenu32A(clientInfo->hWindowMenu ,index ,MF_BYCOMMAND | MF_STRING, index - 1 , buffer ); } return 1; } /********************************************************************** * MDI_GetWindow * * returns "activateable" child different from the current or zero */ static HWND32 MDI_GetWindow(WND *clientWnd, HWND32 hWnd, BOOL32 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 = wndPtr->next; ; pWnd = pWnd->next ) { if (!pWnd ) pWnd = wndPtr->parent->child; if ( pWnd == wndPtr ) break; /* went full circle */ if (!pWnd->owner && (pWnd->dwStyle & dwStyleMask) == WS_VISIBLE ) { pWndLast = pWnd; if ( bNext ) break; } } 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, LPPOINT32 lpPos, INT32 delta) { INT32 nstagger; RECT32 rect = w->rectClient; INT32 spacing = GetSystemMetrics32(SM_CYCAPTION) + GetSystemMetrics32(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( HWND32 hwnd, HMENU32 hmenuFrame, HMENU32 hmenuWindow) { WND *w = WIN_FindWndPtr(hwnd); MDICLIENTINFO *ci; HWND32 hwndFrame = GetParent32(hwnd); HMENU32 oldFrameMenu = GetMenu32(hwndFrame); dprintf_mdi(stddeb, "WM_MDISETMENU: %04x %04x %04x\n", hwnd, hmenuFrame, hmenuWindow); 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 */ INT32 i = GetMenuItemCount32(ci->hWindowMenu) - 1; INT32 pos = GetMenuItemCount32(hmenuWindow) + 1; AppendMenu32A( hmenuWindow, MF_SEPARATOR, 0, NULL); if( ci->nActiveChildren ) { INT32 j = i - ci->nActiveChildren + 1; char buffer[100]; UINT32 id,state; for( ; i >= j ; i-- ) { id = GetMenuItemID32(ci->hWindowMenu,i ); state = GetMenuState32(ci->hWindowMenu,i,MF_BYPOSITION); GetMenuString32A(ci->hWindowMenu, i, buffer, 100, MF_BYPOSITION); DeleteMenu32(ci->hWindowMenu, i , MF_BYPOSITION); InsertMenu32A(hmenuWindow, pos, MF_BYPOSITION | MF_STRING, id, buffer); CheckMenuItem32(hmenuWindow ,pos , MF_BYPOSITION | (state & MF_CHECKED)); } } /* remove separator */ DeleteMenu32(ci->hWindowMenu, i, MF_BYPOSITION); ci->hWindowMenu = hmenuWindow; } if( hmenuFrame && hmenuFrame!=oldFrameMenu) { SetMenu32(hwndFrame, hmenuFrame); if( ci->hwndChildMaximized ) MDI_AugmentFrameMenu(ci, w->parent, ci->hwndChildMaximized ); return oldFrameMenu; } return 0; } /* ------------------ MDI child window functions ---------------------- */ /********************************************************************** * MDICreateChild */ static HWND32 MDICreateChild( WND *w, MDICLIENTINFO *ci, HWND32 parent, LPMDICREATESTRUCT32A cs ) { POINT32 pos[2]; DWORD style = cs->style | (WS_CHILD | WS_CLIPSIBLINGS); HWND32 hwnd, hwndMax = 0; WORD wIDmenu = ci->idFirstChild + ci->nActiveChildren; char lpstrDef[]="junk!"; dprintf_mdi(stdnimp,"MDICreateChild: 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_USEDEFAULT32 || !cs->cx) cs->cx = pos[1].x; if (cs->cy == CW_USEDEFAULT32 || !cs->cy) cs->cy = pos[1].y; if( cs->x == CW_USEDEFAULT32 ) { cs->x = pos[0].x; cs->y = pos[0].y; } /* restore current maximized child */ if( style & WS_VISIBLE && ci->hwndChildMaximized ) { if( style & WS_MAXIMIZE ) SendMessage32A(w->hwndSelf, WM_SETREDRAW, FALSE, 0L ); hwndMax = ci->hwndChildMaximized; ShowWindow32( hwndMax, SW_SHOWNOACTIVATE ); if( style & WS_MAXIMIZE ) SendMessage32A(w->hwndSelf, WM_SETREDRAW, TRUE, 0L ); } /* this menu is needed to set a check mark in MDI_ChildActivate */ AppendMenu32A(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 = CreateWindow32A( 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, (HMENU32)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 ); MDI_MenuModifyItem(w ,hwnd); if( wnd->dwStyle & WS_MINIMIZE && ci->hwndActiveChild ) ShowWindow32( hwnd, SW_SHOWMINNOACTIVE ); else { SetWindowPos32( 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 ); } } dprintf_mdi(stddeb, "MDICreateChild: created child - %04x\n",hwnd); } else { ci->nActiveChildren--; DeleteMenu32(ci->hWindowMenu,wIDmenu,MF_BYCOMMAND); if( IsWindow32(hwndMax) ) ShowWindow32(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, HWND32 hwnd, MINMAXINFO16* lpMinMax ) { WND* childWnd = WIN_FindWndPtr(hwnd); RECT32 rect = clientWnd->rectClient; MapWindowPoints32( clientWnd->parent->hwndSelf, ((MDICLIENTINFO*)clientWnd->wExtra)->self, (LPPOINT32)&rect, 2); AdjustWindowRectEx32( &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; dprintf_mdi(stddeb,"\tChildMinMaxInfo: 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( HWND32 clientHwnd, HWND32 childHwnd, BOOL32 bNextWindow ) { WND *w = WIN_FindWndPtr(clientHwnd); HWND32 hwndTo = 0; HWND32 hwndPrev = 0; MDICLIENTINFO *ci; hwndTo = MDI_GetWindow(w, childHwnd, bNextWindow, 0); ci = (MDICLIENTINFO *) w->wExtra; dprintf_mdi(stddeb, "MDI_SwitchActiveChild: from %04x, to %04x\n",childHwnd,hwndTo); if ( !hwndTo ) return; /* no window to switch to */ hwndPrev = ci->hwndActiveChild; if ( hwndTo != hwndPrev ) { BOOL32 bOptimize = 0; if( ci->hwndChildMaximized ) { bOptimize = 1; w->dwStyle &= ~WS_VISIBLE; } SetWindowPos32( hwndTo, HWND_TOP, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE ); if( bNextWindow && hwndPrev ) SetWindowPos32( hwndPrev, HWND_BOTTOM, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE | SWP_NOACTIVATE ); if( bOptimize ) ShowWindow32( clientHwnd, SW_SHOW ); } } /********************************************************************** * MDIDestroyChild */ static LRESULT MDIDestroyChild( WND *w_parent, MDICLIENTINFO *ci, HWND32 parent, HWND32 child, BOOL32 flagDestroy ) { WND *childPtr = WIN_FindWndPtr(child); if( childPtr ) { if( child == ci->hwndActiveChild ) { MDI_SwitchActiveChild(parent, child, TRUE); if( child == ci->hwndActiveChild ) { ShowWindow32( 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); } ci->nActiveChildren--; dprintf_mdi(stddeb,"MDIDestroyChild: child destroyed - %04x\n",child); if (flagDestroy) { MDI_PostUpdate(GetParent32(child), ci, SB_BOTH+1); DestroyWindow32(child); } } return 0; } /********************************************************************** * MDI_ChildActivate * * Note: hWndChild is NULL when last child is being destroyed */ static LONG MDI_ChildActivate( WND *clientPtr, HWND32 hWndChild ) { MDICLIENTINFO *clientInfo = (MDICLIENTINFO*)clientPtr->wExtra; HWND32 prevActiveWnd = clientInfo->hwndActiveChild; WND *wndPtr = WIN_FindWndPtr( hWndChild ); WND *wndPrev = WIN_FindWndPtr( prevActiveWnd ); BOOL32 isActiveFrameWnd = 0; if( hWndChild == prevActiveWnd ) return 0L; if( wndPtr ) if( wndPtr->dwStyle & WS_DISABLED ) return 0L; dprintf_mdi(stddeb,"MDI_ChildActivate: %04x\n", hWndChild); if( GetActiveWindow32() == clientPtr->parent->hwndSelf ) isActiveFrameWnd = TRUE; /* deactivate prev. active child */ if( wndPrev ) { wndPrev->dwStyle |= WS_SYSMENU; SendMessage32A( prevActiveWnd, WM_NCACTIVATE, FALSE, 0L ); SendMessage32A( prevActiveWnd, WM_MDIACTIVATE, (WPARAM32)prevActiveWnd, (LPARAM)hWndChild); /* uncheck menu item */ if( clientInfo->hWindowMenu ) CheckMenuItem32( clientInfo->hWindowMenu, wndPrev->wIDmenu, 0); } /* set appearance */ if( clientInfo->hwndChildMaximized ) if( clientInfo->hwndChildMaximized != hWndChild ) if( hWndChild ) { clientInfo->hwndActiveChild = hWndChild; ShowWindow32( hWndChild, SW_SHOWMAXIMIZED); } else ShowWindow32( clientInfo->hwndActiveChild, SW_SHOWNORMAL ); clientInfo->hwndActiveChild = hWndChild; /* check if we have any children left */ if( !hWndChild ) { if( isActiveFrameWnd ) SetFocus32( clientInfo->self ); return 0; } /* check menu item */ if( clientInfo->hWindowMenu ) CheckMenuItem32( clientInfo->hWindowMenu, wndPtr->wIDmenu, MF_CHECKED); /* bring active child to the top */ SetWindowPos32( hWndChild, 0,0,0,0,0, SWP_NOSIZE | SWP_NOMOVE | SWP_NOACTIVATE); if( isActiveFrameWnd ) { SendMessage32A( hWndChild, WM_NCACTIVATE, TRUE, 0L); if( GetFocus32() == clientInfo->self ) SendMessage32A( clientInfo->self, WM_SETFOCUS, (WPARAM32)clientInfo->self, 0L ); else SetFocus32( clientInfo->self ); } SendMessage32A( hWndChild, WM_MDIACTIVATE, (WPARAM32)prevActiveWnd, (LPARAM)hWndChild ); return 1; } /* -------------------- MDI client window functions ------------------- */ /********************************************************************** * CreateMDIMenuBitmap */ static HBITMAP16 CreateMDIMenuBitmap(void) { HDC32 hDCSrc = CreateCompatibleDC32(0); HDC32 hDCDest = CreateCompatibleDC32(hDCSrc); HBITMAP16 hbClose = LoadBitmap16(0, MAKEINTRESOURCE(OBM_CLOSE) ); HBITMAP16 hbCopy; HANDLE16 hobjSrc, hobjDest; hobjSrc = SelectObject32(hDCSrc, hbClose); hbCopy = CreateCompatibleBitmap32(hDCSrc,SYSMETRICS_CXSIZE,SYSMETRICS_CYSIZE); hobjDest = SelectObject32(hDCDest, hbCopy); BitBlt32(hDCDest, 0, 0, SYSMETRICS_CXSIZE, SYSMETRICS_CYSIZE, hDCSrc, SYSMETRICS_CXSIZE, 0, SRCCOPY); SelectObject32(hDCSrc, hobjSrc); DeleteObject32(hbClose); DeleteDC32(hDCSrc); hobjSrc = SelectObject32( hDCDest, GetStockObject32(BLACK_PEN) ); MoveToEx32( hDCDest, SYSMETRICS_CXSIZE - 1, 0, NULL ); LineTo32( hDCDest, SYSMETRICS_CXSIZE - 1, SYSMETRICS_CYSIZE - 1); SelectObject32(hDCDest, hobjSrc ); SelectObject32(hDCDest, hobjDest); DeleteDC32(hDCDest); return hbCopy; } /********************************************************************** * MDICascade */ static LONG MDICascade(WND* clientWnd, MDICLIENTINFO *ci) { WND** ppWnd; UINT32 total; if (ci->hwndChildMaximized) ShowWindow16( ci->hwndChildMaximized, SW_NORMAL); if (ci->nActiveChildren == 0) return 0; if ((ppWnd = WIN_BuildWinArray(clientWnd, BWA_SKIPHIDDEN | BWA_SKIPOWNED | BWA_SKIPICONIC, &total))) { WND** heapPtr = ppWnd; if( total ) { INT32 delta = 0, n = 0; POINT32 pos[2]; if( total < ci->nActiveChildren ) delta = SYSMETRICS_CYICONSPACING + SYSMETRICS_CYICON; /* walk the list and move windows */ while ( *ppWnd ) { dprintf_mdi(stddeb, "MDICascade: move %04x to (%d,%d) size [%d,%d]\n", (*ppWnd)->hwndSelf, pos[0].x, pos[0].y, pos[1].x, pos[1].y); MDI_CalcDefaultChildPos(clientWnd, n++, pos, delta); SetWindowPos32( (*ppWnd)->hwndSelf, 0, pos[0].x, pos[0].y, pos[1].x, pos[1].y, SWP_DRAWFRAME | SWP_NOACTIVATE | SWP_NOZORDER); ppWnd++; } } HeapFree( SystemHeap, 0, heapPtr ); } if( total < ci->nActiveChildren ) ArrangeIconicWindows32( clientWnd->hwndSelf ); return 0; } /********************************************************************** * MDITile */ static void MDITile( WND* wndClient, MDICLIENTINFO *ci, WPARAM32 wParam ) { WND** ppWnd; UINT32 total = 0; if (ci->hwndChildMaximized) ShowWindow32(ci->hwndChildMaximized, SW_NORMAL); if (ci->nActiveChildren == 0) return; ppWnd = WIN_BuildWinArray(wndClient, BWA_SKIPHIDDEN | BWA_SKIPOWNED | BWA_SKIPICONIC | ((wParam & MDITILE_SKIPDISABLED)? BWA_SKIPDISABLED : 0), &total ); dprintf_mdi(stddeb,"MDITile: %u windows to tile\n", total); if( ppWnd ) { WND** heapPtr = ppWnd; if( total ) { RECT32 rect; int x, y, xsize, ysize; int rows, columns, r, c, i; rect = wndClient->rectClient; 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 * SYSMETRICS_CYICONSPACING - SYSMETRICS_CYICON; rect.bottom = ( y - SYSMETRICS_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++) { SetWindowPos32((*ppWnd)->hwndSelf, 0, x, y, xsize, ysize, SWP_DRAWFRAME | SWP_NOACTIVATE | SWP_NOZORDER); y += ysize; ppWnd++; } x += xsize; } } HeapFree( SystemHeap, 0, heapPtr ); } if( total < ci->nActiveChildren ) ArrangeIconicWindows32( wndClient->hwndSelf ); } /* ----------------------- Frame window ---------------------------- */ /********************************************************************** * MDI_AugmentFrameMenu */ static BOOL32 MDI_AugmentFrameMenu( MDICLIENTINFO* ci, WND *frame, HWND32 hChild ) { WND* child = WIN_FindWndPtr(hChild); HMENU32 hSysPopup = 0; dprintf_mdi(stddeb,"MDI_AugmentFrameMenu: frame %p,child %04x\n",frame,hChild); if( !frame->wIDmenu || !child->hSysMenu ) return 0; /* create a copy of sysmenu popup and insert it into frame menu bar */ if (!(hSysPopup = LoadMenuIndirect32A(SYSRES_GetResPtr(SYSRES_MENU_SYSMENU)))) return 0; dprintf_mdi(stddeb,"\t\tgot popup %04x\n in sysmenu %04x",hSysPopup,child->hSysMenu); if( !InsertMenu32A(frame->wIDmenu,0,MF_BYPOSITION | MF_BITMAP | MF_POPUP, hSysPopup, (LPSTR)(DWORD)hBmpClose )) { DestroyMenu32(hSysPopup); return 0; } if( !AppendMenu32A(frame->wIDmenu,MF_HELP | MF_BITMAP, SC_RESTORE, (LPSTR)(DWORD)hBmpRestore )) { RemoveMenu32(frame->wIDmenu,0,MF_BYPOSITION); return 0; } EnableMenuItem32(hSysPopup, SC_SIZE, MF_BYCOMMAND | MF_GRAYED); EnableMenuItem32(hSysPopup, SC_MOVE, MF_BYCOMMAND | MF_GRAYED); EnableMenuItem32(hSysPopup, SC_MAXIMIZE, MF_BYCOMMAND | MF_GRAYED); /* redraw menu */ DrawMenuBar32(frame->hwndSelf); return 1; } /********************************************************************** * MDI_RestoreFrameMenu */ static BOOL32 MDI_RestoreFrameMenu( WND *frameWnd, HWND32 hChild ) { INT32 nItems = GetMenuItemCount32(frameWnd->wIDmenu) - 1; dprintf_mdi(stddeb,"MDI_RestoreFrameMenu: for child %04x\n",hChild); if( GetMenuItemID32(frameWnd->wIDmenu,nItems) != SC_RESTORE ) return 0; RemoveMenu32(frameWnd->wIDmenu,0,MF_BYPOSITION); DeleteMenu32(frameWnd->wIDmenu,nItems-1,MF_BYPOSITION); DrawMenuBar32(frameWnd->hwndSelf); return 1; } /********************************************************************** * MDI_UpdateFrameText * * used when child window is maximized/restored * * Note: lpTitle can be NULL */ static void MDI_UpdateFrameText( WND *frameWnd, HWND32 hClient, BOOL32 repaint, LPCSTR lpTitle ) { char lpBuffer[MDI_MAXTITLELENGTH+1]; WND* clientWnd = WIN_FindWndPtr(hClient); MDICLIENTINFO *ci = (MDICLIENTINFO *) clientWnd->wExtra; dprintf_mdi(stddeb, "MDI: repaint %i, frameText %s\n", repaint, (lpTitle)?lpTitle:"NULL"); if (!clientWnd) return; if (!ci) 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); lstrcpyn32A( 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 { lstrcpyn32A( lpBuffer + i_frame_text_length + 4, childWnd->text, MDI_MAXTITLELENGTH - i_frame_text_length - 5 ); strcat( lpBuffer, "]" ); } } } else { strncpy(lpBuffer, ci->frameTitle, MDI_MAXTITLELENGTH ); lpBuffer[MDI_MAXTITLELENGTH]='\0'; } } else lpBuffer[0] = '\0'; DEFWND_SetText( frameWnd, lpBuffer ); if( repaint == MDI_REPAINTFRAME) SetWindowPos32( frameWnd->hwndSelf, 0,0,0,0,0, SWP_FRAMECHANGED | SWP_NOSIZE | SWP_NOMOVE | SWP_NOACTIVATE | SWP_NOZORDER ); } /* ----------------------------- Interface ---------------------------- */ /********************************************************************** * MDIClientWndProc * * This function handles all MDI requests. */ LRESULT WINAPI MDIClientWndProc( HWND32 hwnd, UINT32 message, WPARAM32 wParam, LPARAM lParam ) { LPCREATESTRUCT32A cs; MDICLIENTINFO *ci; RECT32 rect; WND *w = WIN_FindWndPtr(hwnd); WND *frameWnd = w->parent; INT32 nItems; ci = (MDICLIENTINFO *) w->wExtra; switch (message) { case WM_CREATE: cs = (LPCREATESTRUCT32A)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 ((LPCLIENTCREATESTRUCT32)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, MAKEINTRESOURCE(OBM_RESTORE) ); } MDI_UpdateFrameText(frameWnd, hwnd, MDI_NOFRAMEREPAINT,frameWnd->text); AppendMenu32A( ci->hWindowMenu, MF_SEPARATOR, 0, NULL ); GetClientRect32(frameWnd->hwndSelf, &rect); NC_HandleNCCalcSize( w, &rect ); w->rectClient = rect; dprintf_mdi(stddeb,"MDI: Client created - hwnd = %04x, idFirst = %u\n", hwnd, ci->idFirstChild ); return 0; case WM_DESTROY: if( ci->hwndChildMaximized ) MDI_RestoreFrameMenu(w, frameWnd->hwndSelf); if((nItems = GetMenuItemCount32(ci->hWindowMenu)) > 0) { ci->idFirstChild = nItems - 1; ci->nActiveChildren++; /* to delete a separator */ while( ci->nActiveChildren-- ) DeleteMenu32(ci->hWindowMenu,MF_BYPOSITION,ci->idFirstChild--); } return 0; case WM_MDIACTIVATE: if( ci->hwndActiveChild != (HWND32)wParam ) SetWindowPos32((HWND32)wParam, 0,0,0,0,0, SWP_NOSIZE | SWP_NOMOVE); return 0; case WM_MDICASCADE: return MDICascade(w, ci); case WM_MDICREATE: if (lParam) return MDICreateChild( w, ci, hwnd, (MDICREATESTRUCT32A*)lParam ); return 0; case WM_MDIDESTROY: return MDIDestroyChild( w, ci, hwnd, (HWND32)wParam, TRUE ); case WM_MDIGETACTIVE: if (lParam) *(BOOL32 *)lParam = (ci->hwndChildMaximized > 0); return ci->hwndActiveChild; case WM_MDIICONARRANGE: ci->mdiFlags |= MDIF_NEEDUPDATE; ArrangeIconicWindows32(hwnd); ci->sbRecalc = SB_BOTH+1; SendMessage32A(hwnd, WM_MDICALCCHILDSCROLL, 0, 0L); return 0; case WM_MDIMAXIMIZE: ShowWindow32( (HWND32)wParam, SW_MAXIMIZE ); return 0; case WM_MDINEXT: /* lParam != 0 means previous window */ MDI_SwitchActiveChild(hwnd, (HWND32)wParam, (lParam)? FALSE : TRUE ); break; case WM_MDIRESTORE: ShowWindow32( (HWND32)wParam, SW_NORMAL); return 0; case WM_MDISETMENU: return MDISetMenu( hwnd, (HMENU32)wParam, (HMENU32)lParam ); case WM_MDITILE: ci->mdiFlags |= MDIF_NEEDUPDATE; ShowScrollBar32(hwnd,SB_BOTH,FALSE); MDITile(w, ci, wParam); ci->mdiFlags &= ~MDIF_NEEDUPDATE; return 0; case WM_VSCROLL: case WM_HSCROLL: ci->mdiFlags |= MDIF_NEEDUPDATE; ScrollChildren32(hwnd, message, wParam, lParam); ci->mdiFlags &= ~MDIF_NEEDUPDATE; return 0; case WM_SETFOCUS: if( ci->hwndActiveChild ) { w = WIN_FindWndPtr( ci->hwndActiveChild ); if( !(w->dwStyle & WS_MINIMIZE) ) SetFocus32( ci->hwndActiveChild ); } return 0; case WM_NCACTIVATE: if( ci->hwndActiveChild ) SendMessage32A(ci->hwndActiveChild, message, wParam, lParam); break; case WM_PARENTNOTIFY: if (LOWORD(wParam) == WM_LBUTTONDOWN) { POINT16 pt = MAKEPOINT16(lParam); HWND16 child = ChildWindowFromPoint16(hwnd, pt); dprintf_mdi(stddeb,"MDIClient: notification from %04x (%i,%i)\n",child,pt.x,pt.y); if( child && child != hwnd && child != ci->hwndActiveChild ) SetWindowPos32(child, 0,0,0,0,0, SWP_NOSIZE | SWP_NOMOVE ); } return 0; case WM_SIZE: if( ci->hwndChildMaximized ) { WND* child = WIN_FindWndPtr(ci->hwndChildMaximized); RECT32 rect = { 0, 0, LOWORD(lParam), HIWORD(lParam) }; AdjustWindowRectEx32(&rect, child->dwStyle, 0, child->dwExStyle); MoveWindow32(ci->hwndChildMaximized, rect.left, rect.top, rect.right - rect.left, rect.bottom - rect.top, 1); } else MDI_PostUpdate(hwnd, ci, SB_BOTH+1); break; case WM_MDICALCCHILDSCROLL: if( (ci->mdiFlags & MDIF_NEEDUPDATE) && ci->sbRecalc ) { CalcChildScroll(hwnd, ci->sbRecalc-1); ci->sbRecalc = 0; ci->mdiFlags &= ~MDIF_NEEDUPDATE; } return 0; } return DefWindowProc32A( hwnd, message, wParam, lParam ); } /*********************************************************************** * 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); ci = (MDICLIENTINFO*)wndPtr->wExtra; /* check for possible syscommands for maximized MDI child */ 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 { childHwnd = MDI_GetChildByID( WIN_FindWndPtr(hwndMDIClient), wParam ); if( childHwnd ) SendMessage16(hwndMDIClient, WM_MDIACTIVATE, (WPARAM16)childHwnd , 0L); } break; case WM_NCACTIVATE: SendMessage16(hwndMDIClient, message, wParam, lParam); break; case WM_SETTEXT: MDI_UpdateFrameText(WIN_FindWndPtr(hwnd), hwndMDIClient, MDI_REPAINTFRAME, (LPCSTR)PTR_SEG_TO_LIN(lParam)); return 0; case WM_SETFOCUS: SetFocus32(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)) ) { wndPtr = WIN_FindWndPtr(ci->hwndActiveChild); return MAKELONG( GetSubMenu16(wndPtr->hSysMenu, 0), ci->hwndActiveChild); } } break; } } return DefWindowProc16(hwnd, message, wParam, lParam); } /*********************************************************************** * DefFrameProc32A (USER32.121) */ LRESULT WINAPI DefFrameProc32A( HWND32 hwnd, HWND32 hwndMDIClient, UINT32 message, WPARAM32 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: SendMessage32A(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_SETFOCUS: case WM_SIZE: return DefFrameProc16( hwnd, hwndMDIClient, message, wParam, lParam ); } } return DefWindowProc32A(hwnd, message, wParam, lParam); } /*********************************************************************** * DefFrameProc32W (USER32.122) */ LRESULT WINAPI DefFrameProc32W( HWND32 hwnd, HWND32 hwndMDIClient, UINT32 message, WPARAM32 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: SendMessage32W(hwndMDIClient, message, wParam, lParam); break; case WM_SETTEXT: { LPSTR txt = HEAP_strdupWtoA(GetProcessHeap(),0,(LPWSTR)lParam); LRESULT ret = DefFrameProc32A( hwnd, hwndMDIClient, message, wParam, (DWORD)txt ); HeapFree(GetProcessHeap(),0,txt); return ret; } case WM_SETFOCUS: case WM_SIZE: return DefFrameProc32A( hwnd, hwndMDIClient, message, wParam, lParam ); } } return DefWindowProc32W( hwnd, message, wParam, lParam ); } /*********************************************************************** * DefMDIChildProc16 (USER.447) */ LRESULT WINAPI DefMDIChildProc16( HWND16 hwnd, UINT16 message, WPARAM16 wParam, LPARAM lParam ) { MDICLIENTINFO *ci; WND *clientWnd; clientWnd = WIN_FindWndPtr(GetParent16(hwnd)); ci = (MDICLIENTINFO *) clientWnd->wExtra; 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 ); return 0; case WM_CLOSE: SendMessage16(ci->self,WM_MDIDESTROY,(WPARAM16)hwnd,0L); return 0; case WM_SETFOCUS: if( ci->hwndActiveChild != hwnd ) MDI_ChildActivate(clientWnd, hwnd); break; case WM_CHILDACTIVATE: MDI_ChildActivate(clientWnd, hwnd); return 0; case WM_NCPAINT: dprintf_mdi(stddeb,"DefMDIChildProc: WM_NCPAINT for %04x, active %04x\n", hwnd, ci->hwndActiveChild ); break; case WM_SYSCOMMAND: switch( wParam ) { case SC_MOVE: if( ci->hwndChildMaximized == hwnd) return 0; break; case SC_RESTORE: case SC_MINIMIZE: WIN_FindWndPtr(hwnd)->dwStyle |= WS_SYSMENU; break; case SC_MAXIMIZE: if( ci->hwndChildMaximized == hwnd) return SendMessage16( clientWnd->parent->hwndSelf, message, wParam, lParam); WIN_FindWndPtr(hwnd)->dwStyle &= ~WS_SYSMENU; break; case SC_NEXTWINDOW: SendMessage16( ci->self, WM_MDINEXT, 0, 0); return 0; case SC_PREVWINDOW: SendMessage16( ci->self, WM_MDINEXT, 0, 1); return 0; } break; case WM_GETMINMAXINFO: MDI_ChildGetMinMaxInfo(clientWnd, hwnd, (MINMAXINFO16*) PTR_SEG_TO_LIN(lParam)); return 0; 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 ); } dprintf_mdi(stddeb,"\tMDI: maximizing child %04x\n", hwnd ); ci->hwndChildMaximized = 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 */ PostMessage16( clientWnd->parent->hwndSelf, WM_SYSCOMMAND, (WPARAM16)SC_KEYMENU, (LPARAM)wParam); return 0x00010000L; case WM_NEXTMENU: if( wParam == VK_LEFT ) /* switch to frame system menu */ return MAKELONG( GetSubMenu16(clientWnd->parent->hSysMenu, 0), clientWnd->parent->hwndSelf ); if( wParam == VK_RIGHT ) /* to frame menu bar */ return MAKELONG( clientWnd->parent->wIDmenu, clientWnd->parent->hwndSelf ); break; } return DefWindowProc16(hwnd, message, wParam, lParam); } /*********************************************************************** * DefMDIChildProc32A (USER32.123) */ LRESULT WINAPI DefMDIChildProc32A( HWND32 hwnd, UINT32 message, WPARAM32 wParam, LPARAM lParam ) { MDICLIENTINFO *ci; WND *clientWnd; clientWnd = WIN_FindWndPtr(GetParent16(hwnd)); ci = (MDICLIENTINFO *) clientWnd->wExtra; switch (message) { case WM_SETTEXT: DefWindowProc32A(hwnd, message, wParam, lParam); MDI_MenuModifyItem(clientWnd,hwnd); if( ci->hwndChildMaximized == hwnd ) MDI_UpdateFrameText( clientWnd->parent, ci->self, MDI_REPAINTFRAME, NULL ); return 0; case WM_GETMINMAXINFO: { MINMAXINFO16 mmi; STRUCT32_MINMAXINFO32to16( (MINMAXINFO32 *)lParam, &mmi ); MDI_ChildGetMinMaxInfo( clientWnd, hwnd, &mmi ); STRUCT32_MINMAXINFO16to32( &mmi, (MINMAXINFO32 *)lParam ); } return 0; case WM_MENUCHAR: /* MDI children don't have menu bars */ PostMessage16( clientWnd->parent->hwndSelf, WM_SYSCOMMAND, (WPARAM16)SC_KEYMENU, (LPARAM)LOWORD(wParam) ); return 0x00010000L; case WM_CLOSE: case WM_SETFOCUS: case WM_CHILDACTIVATE: case WM_NCPAINT: case WM_SYSCOMMAND: case WM_SETVISIBLE: case WM_SIZE: case WM_NEXTMENU: return DefMDIChildProc16( hwnd, message, (WPARAM16)wParam, lParam ); } return DefWindowProc32A(hwnd, message, wParam, lParam); } /*********************************************************************** * DefMDIChildProc32W (USER32.124) */ LRESULT WINAPI DefMDIChildProc32W( HWND32 hwnd, UINT32 message, WPARAM32 wParam, LPARAM lParam ) { MDICLIENTINFO *ci; WND *clientWnd; clientWnd = WIN_FindWndPtr(GetParent16(hwnd)); ci = (MDICLIENTINFO *) clientWnd->wExtra; switch (message) { case WM_SETTEXT: DefWindowProc32W(hwnd, message, wParam, lParam); MDI_MenuModifyItem(clientWnd,hwnd); if( ci->hwndChildMaximized == hwnd ) MDI_UpdateFrameText( clientWnd->parent, ci->self, MDI_REPAINTFRAME, NULL ); return 0; 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: return DefMDIChildProc32A( hwnd, message, (WPARAM16)wParam, lParam ); } return DefWindowProc32W(hwnd, message, wParam, lParam); } /********************************************************************** * CreateMDIWindowA (USER32.78) */ /********************************************************************** * CreateMDIWindowW (USER32.79) */ /********************************************************************** * TranslateMDISysAccel32 (USER32.554) */ BOOL32 WINAPI TranslateMDISysAccel32( HWND32 hwndClient, LPMSG32 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 ) { WND* clientWnd = WIN_FindWndPtr( hwndClient); if( clientWnd && (msg->message == WM_KEYDOWN || msg->message == WM_SYSKEYDOWN)) { MDICLIENTINFO *ci = NULL; WND* wnd; ci = (MDICLIENTINFO*) clientWnd->wExtra; wnd = WIN_FindWndPtr(ci->hwndActiveChild); if( wnd && !(wnd->dwStyle & WS_DISABLED) ) { WPARAM16 wParam = 0; /* translate if the Ctrl key is down and Alt not. */ if( (GetKeyState32(VK_CONTROL) & 0x8000) && !(GetKeyState32(VK_MENU) & 0x8000)) { switch( msg->wParam ) { case VK_F6: case VK_TAB: wParam = ( GetKeyState32(VK_SHIFT) & 0x8000 ) ? SC_NEXTWINDOW : SC_PREVWINDOW; break; case VK_F4: case VK_RBUTTON: wParam = SC_CLOSE; break; default: return 0; } dprintf_mdi(stddeb,"TranslateMDISysAccel: wParam = %04x\n", wParam); SendMessage16( ci->hwndActiveChild, WM_SYSCOMMAND, wParam, (LPARAM)msg->wParam); return 1; } } } return 0; /* failure */ } /*********************************************************************** * CalcChildScroll (USER.462) */ void WINAPI CalcChildScroll( HWND16 hwnd, WORD scroll ) { RECT32 childRect, clientRect; INT32 vmin, vmax, hmin, hmax, vpos, hpos; BOOL32 noscroll = FALSE; WND *pWnd, *Wnd; if (!(Wnd = pWnd = WIN_FindWndPtr( hwnd ))) return; GetClientRect32( hwnd, &clientRect ); SetRectEmpty32( &childRect ); for ( pWnd = pWnd->child; pWnd; pWnd = pWnd->next ) { UnionRect32( &childRect, &pWnd->rectWindow, &childRect ); if( pWnd->dwStyle & WS_MAXIMIZE ) noscroll = TRUE; } UnionRect32( &childRect, &clientRect, &childRect ); /* jump through the hoops to prevent excessive flashing */ 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; if( noscroll ) ShowScrollBar32(hwnd, SB_BOTH, FALSE); else switch( scroll ) { case SB_HORZ: vpos = hpos; vmin = hmin; vmax = hmax; case SB_VERT: SetScrollPos32(hwnd, scroll, vpos, FALSE); SetScrollRange32(hwnd, scroll, vmin, vmax, TRUE); break; case SB_BOTH: SCROLL_SetNCSbState( Wnd, vmin, vmax, vpos, hmin, hmax, hpos); SetWindowPos32(hwnd, 0, 0, 0, 0, 0, SWP_NOSIZE | SWP_NOMOVE | SWP_NOACTIVATE | SWP_NOZORDER | SWP_FRAMECHANGED ); } } /*********************************************************************** * ScrollChildren16 (USER.463) */ void WINAPI ScrollChildren16(HWND16 hWnd, UINT16 uMsg, WPARAM16 wParam, LPARAM lParam) { return ScrollChildren32( hWnd, uMsg, wParam, lParam ); } /*********************************************************************** * ScrollChildren32 (USER32.447) */ void WINAPI ScrollChildren32(HWND32 hWnd, UINT32 uMsg, WPARAM32 wParam, LPARAM lParam) { WND *wndPtr = WIN_FindWndPtr(hWnd); INT32 newPos = -1; INT32 curPos, length, minPos, maxPos, shift; if( !wndPtr ) return; if( uMsg == WM_HSCROLL ) { GetScrollRange32(hWnd,SB_HORZ,&minPos,&maxPos); curPos = GetScrollPos32(hWnd,SB_HORZ); length = (wndPtr->rectClient.right - wndPtr->rectClient.left)/2; shift = SYSMETRICS_CYHSCROLL; } else if( uMsg == WM_VSCROLL ) { GetScrollRange32(hWnd,SB_VERT,&minPos,&maxPos); curPos = GetScrollPos32(hWnd,SB_VERT); length = (wndPtr->rectClient.bottom - wndPtr->rectClient.top)/2; shift = SYSMETRICS_CXVSCROLL; } else return; 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: CalcChildScroll(hWnd,(uMsg == WM_VSCROLL)?SB_VERT:SB_HORZ); return; } if( newPos > maxPos ) newPos = maxPos; else if( newPos < minPos ) newPos = minPos; SetScrollPos32(hWnd, (uMsg == WM_VSCROLL)?SB_VERT:SB_HORZ , newPos, TRUE); if( uMsg == WM_VSCROLL ) ScrollWindowEx32(hWnd ,0 ,curPos - newPos, NULL, NULL, 0, NULL, SW_INVALIDATE | SW_ERASE | SW_SCROLLCHILDREN ); else ScrollWindowEx32(hWnd ,curPos - newPos, 0, NULL, NULL, 0, NULL, SW_INVALIDATE | SW_ERASE | SW_SCROLLCHILDREN ); }