/* 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 "xmalloc.h" #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" static HBITMAP16 hBmpClose = 0; static HBITMAP16 hBmpRestore = 0; DWORD SCROLL_SetNCSbState(WND*,int,int,int,int,int,int); /* ----------------- declarations ----------------- */ void MDI_UpdateFrameText(WND *, HWND, BOOL, LPCSTR); BOOL MDI_AugmentFrameMenu(MDICLIENTINFO*, WND *, HWND); 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->sbNeedUpdate ) { ci->sbNeedUpdate = TRUE; PostMessage( hwnd, WM_MDICALCCHILDSCROLL, 0, 0); } ci->sbRecalc = recalc; } /********************************************************************** * MDI_MenuAppendItem */ #ifdef SUPERFLUOUS_FUNCTIONS static BOOL MDI_MenuAppendItem(WND *clientWnd, HWND hWndChild) { char buffer[128]; MDICLIENTINFO *clientInfo = (MDICLIENTINFO*)clientWnd->wExtra; WND *wndPtr = WIN_FindWndPtr(hWndChild); int n = sprintf(buffer, "%d ", clientInfo->nActiveChildren); if( !clientInfo->hWindowMenu ) return 0; if (wndPtr->text) strncpy(buffer + n, wndPtr->text, sizeof(buffer) - n - 1); return AppendMenu32A( clientInfo->hWindowMenu, MF_STRING, wndPtr->wIDmenu, buffer ); } #endif /********************************************************************** * 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 ) 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 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; 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 or zero */ HWND MDI_GetWindow(WND *clientWnd, HWND hWnd, WORD wTo ) { MDICLIENTINFO *clientInfo = (MDICLIENTINFO*)clientWnd->wExtra; WND *wndPtr, *pWnd, *pWndLast; if( !hWnd ) hWnd = clientInfo->hwndActiveChild; if( !(wndPtr = WIN_FindWndPtr(hWnd)) ) return 0; pWnd = wndPtr; pWndLast = NULL; for (;;) { pWnd = pWnd->next; if (!pWnd) pWnd = wndPtr->parent->child; if (pWnd == wndPtr) /* not found */ { if (!wTo || !pWndLast) return 0; break; } /* we are not interested in owned popups */ if ( !pWnd->owner && (pWnd->dwStyle & WS_VISIBLE) && !(pWnd->dwStyle & WS_DISABLED)) /* found one */ { pWndLast = pWnd; if (!wTo) break; } } return pWndLast ? pWndLast->hwndSelf : 0; } /********************************************************************** * MDI_CalcDefaultChildPos * * It seems that default height is 2/3 of client rect */ void MDI_CalcDefaultChildPos(WND* w, WORD n, LPPOINT16 lpPos, INT delta) { RECT16 rect = w->rectClient; INT spacing = GetSystemMetrics(SM_CYCAPTION) + GetSystemMetrics(SM_CYFRAME) - 1; INT nstagger; 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 */ HMENU16 MDISetMenu(HWND hwnd, BOOL fRefresh, HMENU16 hmenuFrame, HMENU16 hmenuWindow) { WND *w = WIN_FindWndPtr(hwnd); MDICLIENTINFO *ci; dprintf_mdi(stddeb, "WM_MDISETMENU: %04x %04x %04x %04x\n", hwnd, fRefresh, hmenuFrame, hmenuWindow); ci = (MDICLIENTINFO *) w->wExtra; if (!fRefresh) { HWND hwndFrame = GetParent16(hwnd); HMENU32 oldFrameMenu = GetMenu32(hwndFrame); 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 ) { INT j = i - ci->nActiveChildren + 1; char buffer[100]; UINT 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; } /********************************************************************** * MDIIconArrange */ WORD MDIIconArrange(HWND parent) { return ArrangeIconicWindows16(parent); /* Any reason why the */ /* existing icon arrange */ /* can't be used here? */ /* -DRP */ } /* ------------------ MDI child window functions ---------------------- */ /********************************************************************** * MDICreateChild */ HWND MDICreateChild(WND *w, MDICLIENTINFO *ci, HWND parent, LPARAM lParam ) { POINT16 pos[2]; MDICREATESTRUCT16 *cs = (MDICREATESTRUCT16 *)PTR_SEG_TO_LIN(lParam); DWORD style = cs->style | (WS_CHILD | WS_CLIPSIBLINGS); HWND hwnd, hwndMax = 0; WORD wIDmenu = ci->idFirstChild + ci->nActiveChildren; char lpstrDef[]="junk!"; /* * Create child window * */ 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_USEDEFAULT16 || !cs->cx ) cs->cx = pos[1].x; if( cs->cy == CW_USEDEFAULT16 || !cs->cy ) cs->cy = pos[1].y; if( cs->x == CW_USEDEFAULT16 ) { cs->x = pos[0].x; cs->y = pos[0].y; } /* restore current maximized child */ if( style & WS_VISIBLE && ci->hwndChildMaximized ) { if( style & WS_MAXIMIZE ) SendMessage16(w->hwndSelf, WM_SETREDRAW, FALSE, 0L ); hwndMax = ci->hwndChildMaximized; ShowWindow16( hwndMax, SW_SHOWNOACTIVATE ); if( style & WS_MAXIMIZE ) SendMessage16(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); } hwnd = CreateWindow16( (LPCSTR)PTR_SEG_TO_LIN(cs->szClass), (LPCSTR)PTR_SEG_TO_LIN(cs->szTitle), style, cs->x, cs->y, cs->cx, cs->cy, parent, (HMENU16)wIDmenu, w->hInstance, (LPVOID)lParam); /* 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 ) ShowWindow16( 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( IsWindow(hwndMax) ) ShowWindow16(hwndMax, SW_SHOWMAXIMIZED); } return hwnd; } /********************************************************************** * MDI_ChildGetMinMaxInfo */ void MDI_ChildGetMinMaxInfo(WND* clientWnd, HWND hwnd, MINMAXINFO16* lpMinMax ) { WND* childWnd = WIN_FindWndPtr(hwnd); RECT16 rect = clientWnd->rectClient; MapWindowPoints16(clientWnd->parent->hwndSelf, ((MDICLIENTINFO*)clientWnd->wExtra)->self, (LPPOINT16)&rect, 2); AdjustWindowRectEx16( &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 * * Notes: SetWindowPos sends WM_CHILDACTIVATE to the child window that is * being activated * * wTo is basically lParam of WM_MDINEXT message or explicit * window handle */ void MDI_SwitchActiveChild(HWND clientHwnd, HWND childHwnd, BOOL wTo ) { WND *w = WIN_FindWndPtr(clientHwnd); HWND hwndTo = 0; HWND hwndPrev = 0; MDICLIENTINFO *ci; hwndTo = MDI_GetWindow(w,childHwnd,(WORD)wTo); ci = (MDICLIENTINFO *) w->wExtra; dprintf_mdi(stddeb, "MDI_SwitchActiveChild: from %04x, to %04x\n",childHwnd,hwndTo); if ( !hwndTo ) return; hwndPrev = ci->hwndActiveChild; if ( hwndTo != hwndPrev ) { BOOL bOptimize = 0; if( ci->hwndChildMaximized ) { bOptimize = 1; w->dwStyle &= ~WS_VISIBLE; } SetWindowPos32( hwndTo, HWND_TOP, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE ); if( !wTo && hwndPrev ) { SetWindowPos32( hwndPrev, HWND_BOTTOM, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE | SWP_NOACTIVATE); } if( bOptimize ) ShowWindow16( clientHwnd, SW_SHOW ); } } /********************************************************************** * MDIDestroyChild */ HWND 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,0); if( child == ci->hwndActiveChild ) { ShowWindow16( 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(GetParent16(child), ci, SB_BOTH+1); DestroyWindow32(child); } } return 0; } /********************************************************************** * MDI_ChildActivate * * Note: hWndChild is NULL when last child is being destroyed */ 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; 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; SendMessage16( prevActiveWnd, WM_NCACTIVATE, FALSE, 0L ); #ifdef WINELIB32 SendMessage32A( prevActiveWnd, WM_MDIACTIVATE, (WPARAM32)prevActiveWnd, (LPARAM)hWndChild); #else SendMessage16( prevActiveWnd, WM_MDIACTIVATE, FALSE, MAKELONG(hWndChild,prevActiveWnd)); #endif /* 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; ShowWindow16( hWndChild, SW_SHOWMAXIMIZED); } else ShowWindow16( 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 ) { SendMessage16( hWndChild, WM_NCACTIVATE, TRUE, 0L); if( GetFocus32() == clientInfo->self ) SendMessage16( clientInfo->self, WM_SETFOCUS, (WPARAM16)clientInfo->self, 0L ); else SetFocus32( clientInfo->self ); } #ifdef WINELIB32 SendMessage32A( hWndChild, WM_MDIACTIVATE, (WPARAM32)hWndChild, (LPARAM)prevActiveWnd ); #else SendMessage16( hWndChild, WM_MDIACTIVATE, TRUE, MAKELONG(hWndChild,prevActiveWnd)); #endif return 1; } /********************************************************************** * MDI_BuildWCL * * iTotal returns number of children available for tiling or cascading */ MDIWCL* MDI_BuildWCL(WND* clientWnd, INT16* iTotal) { MDIWCL *listTop,*listNext; WND *childWnd; if (!(listTop = (MDIWCL*)malloc( sizeof(MDIWCL) ))) return NULL; listTop->hChild = clientWnd->child ? clientWnd->child->hwndSelf : 0; listTop->prev = NULL; *iTotal = 1; /* build linked list from top child to bottom */ childWnd = WIN_FindWndPtr( listTop->hChild ); while( childWnd && childWnd->next ) { listNext = (MDIWCL*)xmalloc(sizeof(MDIWCL)); if( (childWnd->dwStyle & WS_DISABLED) || (childWnd->dwStyle & WS_MINIMIZE) || !(childWnd->dwStyle & WS_VISIBLE) ) { listTop->hChild = 0; (*iTotal)--; } listNext->hChild = childWnd->next->hwndSelf; listNext->prev = listTop; listTop = listNext; (*iTotal)++; childWnd = childWnd->next; } if( (childWnd->dwStyle & WS_DISABLED) || (childWnd->dwStyle & WS_MINIMIZE) || !(childWnd->dwStyle & WS_VISIBLE) ) { listTop->hChild = 0; (*iTotal)--; } return listTop; } /* -------------------- MDI client window functions ------------------- */ /********************************************************************** * CreateMDIMenuBitmap */ HBITMAP16 CreateMDIMenuBitmap(void) { HDC32 hDCSrc = CreateCompatibleDC32(0); HDC32 hDCDest = CreateCompatibleDC32(hDCSrc); HBITMAP16 hbClose = LoadBitmap16(0, MAKEINTRESOURCE(OBM_CLOSE) ); HBITMAP16 hbCopy,hb_src,hb_dest; hb_src = SelectObject32(hDCSrc,hbClose); hbCopy = CreateCompatibleBitmap(hDCSrc,SYSMETRICS_CXSIZE, SYSMETRICS_CYSIZE); hb_dest = SelectObject32(hDCDest,hbCopy); BitBlt32(hDCDest, 0, 0, SYSMETRICS_CXSIZE, SYSMETRICS_CYSIZE, hDCSrc, SYSMETRICS_CXSIZE, 0, SRCCOPY); SelectObject32(hDCSrc,hb_src); SelectObject32(hDCDest,hb_dest); DeleteObject32(hbClose); DeleteDC32(hDCDest); DeleteDC32(hDCSrc); return hbCopy; } /********************************************************************** * MDICascade */ LONG MDICascade(WND* clientWnd, MDICLIENTINFO *ci) { MDIWCL *listTop,*listPrev; INT16 delta = 0,iToPosition = 0, n = 0; POINT16 pos[2]; if (ci->hwndChildMaximized) ShowWindow16( ci->hwndChildMaximized, SW_NORMAL); if (ci->nActiveChildren == 0) return 0; if (!(listTop = MDI_BuildWCL(clientWnd,&iToPosition))) return 0; if( iToPosition < ci->nActiveChildren ) delta = 2 * SYSMETRICS_CYICONSPACING + SYSMETRICS_CYICON; /* walk list and move windows */ while ( listTop ) { dprintf_mdi(stddeb, "MDICascade: move %04x to (%d,%d) size [%d,%d]\n", listTop->hChild, pos[0].x, pos[0].y, pos[1].x, pos[1].y); if( listTop->hChild ) { MDI_CalcDefaultChildPos(clientWnd, n++, pos, delta); SetWindowPos32(listTop->hChild, 0, pos[0].x, pos[0].y, pos[1].x, pos[1].y, SWP_DRAWFRAME | SWP_NOACTIVATE | SWP_NOZORDER); } listPrev = listTop->prev; free(listTop); listTop = listPrev; } if( iToPosition < ci->nActiveChildren ) ArrangeIconicWindows32( clientWnd->hwndSelf ); return 0; } /********************************************************************** * MDITile * */ LONG MDITile(WND* wndClient, MDICLIENTINFO *ci,WORD wParam) { MDIWCL *listTop,*listPrev; RECT16 rect; int xsize, ysize; int x, y; int rows, columns; int r, c; int i; INT16 iToPosition = 0; if (ci->hwndChildMaximized) ShowWindow16(ci->hwndChildMaximized, SW_NORMAL); if (ci->nActiveChildren == 0) return 0; listTop = MDI_BuildWCL(wndClient, &iToPosition); dprintf_mdi(stddeb,"MDITile: %i windows to tile\n",iToPosition); if( !listTop ) return 0; /* tile children */ if ( iToPosition ) { rect = wndClient->rectClient; rows = (int) sqrt((double) iToPosition); columns = iToPosition / rows; if (wParam == MDITILE_HORIZONTAL) /* version >= 3.1 */ { i=rows; rows=columns; /* exchange r and c */ columns=i; } /* hack */ if( iToPosition != 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; x = 0; i = 0; for (c = 1; c <= columns; c++) { if (c == columns) { rows = iToPosition - i; ysize = rect.bottom / rows; } y = 0; for (r = 1; r <= rows; r++, i++) { /* shouldn't happen but... */ if( !listTop ) break; /* skip iconized childs from tiling */ while (!listTop->hChild) { listPrev = listTop->prev; free(listTop); listTop = listPrev; } SetWindowPos32(listTop->hChild, 0, x, y, xsize, ysize, SWP_DRAWFRAME | SWP_NOACTIVATE | SWP_NOZORDER); y += ysize; listPrev = listTop->prev; free(listTop); listTop = listPrev; } x += xsize; } } /* free the rest if any */ while( listTop ) { listPrev = listTop->prev; free(listTop); listTop = listPrev; } if (iToPosition < ci->nActiveChildren ) ArrangeIconicWindows32( wndClient->hwndSelf ); return 0; } /* ----------------------- Frame window ---------------------------- */ /********************************************************************** * MDI_AugmentFrameMenu */ BOOL MDI_AugmentFrameMenu(MDICLIENTINFO* ci, WND *frame, HWND hChild) { WND* child = WIN_FindWndPtr(hChild); HMENU16 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 */ BOOL MDI_RestoreFrameMenu( WND *frameWnd, HWND 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 */ 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; dprintf_mdi(stddeb, "MDI: repaint %i, frameText %s\n", repaint, (lpTitle)?lpTitle:"NULL"); /* 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 is the handler for all MDI requests. */ LRESULT MDIClientWndProc(HWND hwnd, UINT message, WPARAM16 wParam, LPARAM lParam) { LPCREATESTRUCT16 cs; LPCLIENTCREATESTRUCT16 ccs; MDICLIENTINFO *ci; RECT16 rect; WND *w = WIN_FindWndPtr(hwnd); WND *frameWnd = w->parent; INT nItems; ci = (MDICLIENTINFO *) w->wExtra; switch (message) { case WM_CREATE: cs = (LPCREATESTRUCT16) PTR_SEG_TO_LIN(lParam); 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->sbNeedUpdate = 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( ccs->hWindowMenu, MF_SEPARATOR, 0, NULL ); GetClientRect16(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 != (HWND)wParam ) SetWindowPos32((HWND)wParam, 0,0,0,0,0, SWP_NOSIZE | SWP_NOMOVE ); return 0; case WM_MDICASCADE: return MDICascade(w, ci); case WM_MDICREATE: return (LONG)MDICreateChild(w, ci, hwnd, lParam ); case WM_MDIDESTROY: return (LONG)MDIDestroyChild(w, ci, hwnd, (HWND)wParam, TRUE); case WM_MDIGETACTIVE: return ((LONG) ci->hwndActiveChild | ((LONG) (ci->hwndChildMaximized>0) << 16)); case WM_MDIICONARRANGE: ci->sbNeedUpdate = TRUE; MDIIconArrange(hwnd); ci->sbRecalc = SB_BOTH+1; SendMessage16(hwnd,WM_MDICALCCHILDSCROLL,0,0L); return 0; case WM_MDIMAXIMIZE: ShowWindow16((HWND16)wParam, SW_MAXIMIZE); return 0; case WM_MDINEXT: MDI_SwitchActiveChild(hwnd, (HWND)wParam, (lParam)?1:0); break; case WM_MDIRESTORE: ShowWindow16( (HWND16)wParam, SW_NORMAL); return 0; case WM_MDISETMENU: #ifdef WINELIB32 return (LRESULT)MDISetMenu(hwnd, FALSE, (HMENU16)wParam, (HMENU16)lParam); #else return (LRESULT)MDISetMenu(hwnd, wParam, LOWORD(lParam), HIWORD(lParam)); #endif case WM_MDITILE: ci->sbNeedUpdate = TRUE; ShowScrollBar32(hwnd,SB_BOTH,FALSE); MDITile(w, ci,wParam); ci->sbNeedUpdate = FALSE; return 0; case WM_VSCROLL: case WM_HSCROLL: ci->sbNeedUpdate = TRUE; ScrollChildren(hwnd,message,wParam,lParam); ci->sbNeedUpdate = FALSE; 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 ) SendMessage16(ci->hwndActiveChild, message, wParam, lParam); break; case WM_PARENTNOTIFY: if( wParam == WM_LBUTTONDOWN ) { POINT16 pt = MAKEPOINT16(lParam); HWND child = ChildWindowFromPoint16(hwnd, pt); dprintf_mdi(stddeb,"MDIClient: notification from %04x (%i,%i)\n",child,pt.x,pt.y); if( child && child != hwnd ) { WND* wnd = WIN_FindWndPtr( child ); /* if we got owned popup */ if( wnd->owner ) child = wnd->owner->hwndSelf; if( 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); RECT16 rect = { 0, 0, LOWORD(lParam), HIWORD(lParam) }; AdjustWindowRectEx16(&rect, child->dwStyle, 0, child->dwExStyle); MoveWindow16(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->sbNeedUpdate ) if( ci->sbRecalc ) { CalcChildScroll(hwnd, ci->sbRecalc-1); ci->sbRecalc = ci->sbNeedUpdate = 0; } return 0; } return DefWindowProc16(hwnd, message, wParam, lParam); } /*********************************************************************** * DefFrameProc16 (USER.445) */ LRESULT DefFrameProc16( HWND16 hwnd, HWND16 hwndMDIClient, UINT16 message, WPARAM16 wParam, LPARAM lParam ) { HWND 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( 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 ) { if( wndPtr->parent->wIDmenu != LOWORD(lParam) ) break; } else if( wParam == VK_RIGHT ) { if( GetSystemMenu16( wndPtr->parent->hwndSelf, 0) != LOWORD(lParam) ) break; } else break; return MAKELONG( GetSystemMenu16(ci->hwndActiveChild, 0), ci->hwndActiveChild ); } break; } } return DefWindowProc16(hwnd, message, wParam, lParam); } /*********************************************************************** * DefFrameProc32A (USER32.121) */ LRESULT 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: return DefFrameProc16( hwnd, hwndMDIClient, message, wParam, (LPARAM)PTR_SEG_TO_LIN(lParam) ); case WM_SETFOCUS: case WM_SIZE: return DefFrameProc16( hwnd, hwndMDIClient, message, wParam, lParam ); } } return DefWindowProc32A(hwnd, message, wParam, lParam); } /*********************************************************************** * DefFrameProc32W (USER32.122) */ LRESULT 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: /* FIXME: Unicode */ return DefFrameProc32A( hwnd, hwndMDIClient, message, wParam, lParam ); case WM_SETFOCUS: case WM_SIZE: return DefFrameProc32A( hwnd, hwndMDIClient, message, wParam, lParam ); } } return DefWindowProc32W( hwnd, message, wParam, lParam ); } /*********************************************************************** * DefMDIChildProc16 (USER.447) */ LRESULT 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->sbNeedUpdate = 0; 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 ) { HWND 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 ) { HWND switchTo = MDI_GetWindow(clientWnd, hwnd, 0); 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 */ PostMessage( 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( GetSystemMenu16(clientWnd->parent->hwndSelf, 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 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 */ PostMessage( 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 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); } /********************************************************************** * TranslateMDISysAccel (USER.451) * */ BOOL TranslateMDISysAccel(HWND hwndClient, LPMSG16 msg) { WND* clientWnd = WIN_FindWndPtr( hwndClient); WND* wnd; MDICLIENTINFO *ci = NULL; WPARAM16 wParam = 0; if( (msg->message != WM_KEYDOWN && msg->message != WM_SYSKEYDOWN) || !clientWnd ) return 0; ci = (MDICLIENTINFO*) clientWnd->wExtra; wnd = WIN_FindWndPtr(ci->hwndActiveChild); if( !wnd ) return 0; if( wnd->dwStyle & WS_DISABLED ) return 0; if ((GetKeyState32(VK_CONTROL) & 0x8000) && !(GetKeyState32(VK_MENU) & 0x8000)) switch( msg->wParam ) { case VK_F6: case VK_SEPARATOR: wParam = ( GetKeyState32(VK_SHIFT) & 0x8000 )? SC_NEXTWINDOW: SC_PREVWINDOW; break; case VK_RBUTTON: wParam = SC_CLOSE; break; default: return 0; } else return 0; dprintf_mdi(stddeb,"TranslateMDISysAccel: wParam = %04x\n", wParam); SendMessage16(ci->hwndActiveChild,WM_SYSCOMMAND, wParam, (LPARAM)msg->wParam); return 1; } /*********************************************************************** * CalcChildScroll (USER.462) */ void CalcChildScroll( HWND hwnd, WORD scroll ) { RECT16 childRect, clientRect; INT vmin, vmax, hmin, hmax, vpos, hpos; BOOL noscroll = FALSE; WND *pWnd, *Wnd; if (!(Wnd = pWnd = WIN_FindWndPtr( hwnd ))) return; GetClientRect16( hwnd, &clientRect ); SetRectEmpty16( &childRect ); for ( pWnd = pWnd->child; pWnd; pWnd = pWnd->next ) { UnionRect16( &childRect, &pWnd->rectWindow, &childRect ); if( pWnd->dwStyle & WS_MAXIMIZE ) noscroll = TRUE; } UnionRect16( &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 ); } } /*********************************************************************** * ScrollChildren (USER.463) */ void ScrollChildren(HWND hWnd, UINT uMsg, WPARAM16 wParam, LPARAM lParam) { WND *wndPtr = WIN_FindWndPtr(hWnd); short newPos=-1; short curPos; short length; INT32 minPos; INT32 maxPos; short 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 ) ScrollWindow32(hWnd ,0 ,curPos - newPos, NULL, NULL); else ScrollWindow32(hWnd ,curPos - newPos, 0, NULL, NULL); }