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wine/dlls/user32/mdi.c
Alexandre Julliard 440484fc07 user32: Switch to the window DPI awareness for MDI scrolling. 
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
2018-08-28 12:21:28 +02:00

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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 .
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*
* Notes: Fairly complete implementation.
* Also, Excel and WinWord do _not_ use MDI so if you're trying
* to fix them look elsewhere.
*
* Notes on how the "More Windows..." is implemented:
*
* When we have more than 9 opened windows, a "More Windows..."
* option appears in the "Windows" menu. Each child window has
* a WND* associated with it, accessible via the children list of
* the parent window. This WND* has a wIDmenu member, which reflects
* the position of the child in the window list. For example, with
* 9 child windows, we could have the following pattern:
*
*
*
* Name of the child window pWndChild->wIDmenu
* Doc1 5000
* Doc2 5001
* Doc3 5002
* Doc4 5003
* Doc5 5004
* Doc6 5005
* Doc7 5006
* Doc8 5007
* Doc9 5008
*
*
* The "Windows" menu, as the "More windows..." dialog, are constructed
* in this order. If we add a child, we would have the following list:
*
*
* Name of the child window pWndChild->wIDmenu
* Doc1 5000
* Doc2 5001
* Doc3 5002
* Doc4 5003
* Doc5 5004
* Doc6 5005
* Doc7 5006
* Doc8 5007
* Doc9 5008
* Doc10 5009
*
* But only 5000 to 5008 would be displayed in the "Windows" menu. We want
* the last created child to be in the menu, so we swap the last child with
* the 9th... Doc9 will be accessible via the "More Windows..." option.
*
* Doc1 5000
* Doc2 5001
* Doc3 5002
* Doc4 5003
* Doc5 5004
* Doc6 5005
* Doc7 5006
* Doc8 5007
* Doc9 5009
* Doc10 5008
*
*/
#include <stdlib.h>
#include <stdarg.h>
#include <stdio.h>
#include <string.h>
#include <math.h>
#define OEMRESOURCE
#include "windef.h"
#include "winbase.h"
#include "wingdi.h"
#include "winuser.h"
#include "wownt32.h"
#include "wine/unicode.h"
#include "win.h"
#include "controls.h"
#include "user_private.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(mdi);
#define MDI_MAXTITLELENGTH 0xa1
#define WM_MDICALCCHILDSCROLL 0x003f /* this is exactly what Windows uses */
/* "More Windows..." definitions */
#define MDI_MOREWINDOWSLIMIT 9 /* after this number of windows, a "More Windows..."
option will appear under the Windows menu */
#define MDI_IDC_LISTBOX 100
#define IDS_MDI_MOREWINDOWS 13
#define MDIF_NEEDUPDATE 0x0001
typedef struct
{
/* At some points, particularly when switching MDI children, active and
* maximized MDI children may be not the same window, so we need to track
* them separately.
* The only place where we switch to/from maximized state is DefMDIChildProc
* WM_SIZE/SIZE_MAXIMIZED handler. We get that notification only after the
* ShowWindow(SW_SHOWMAXIMIZED) request, therefore window is guaranteed to
* be visible at the time we get the notification, and it's safe to assume
* that hwndChildMaximized is always visible.
* If the app plays games with WS_VISIBLE, WS_MAXIMIZE or any other window
* states it must keep coherency with USER32 on its own. This is true for
* Windows as well.
*/
LONG reserved;
UINT nActiveChildren;
HWND hwndChildMaximized;
HWND hwndActiveChild;
HWND *child; /* array of tracked children */
HMENU hFrameMenu;
HMENU hWindowMenu;
UINT idFirstChild;
LPWSTR frameTitle;
UINT nTotalCreated;
UINT mdiFlags;
UINT sbRecalc; /* SB_xxx flags for scrollbar fixup */
} MDICLIENTINFO;
static HBITMAP hBmpClose = 0;
/* ----------------- declarations ----------------- */
static void MDI_UpdateFrameText( HWND, HWND, BOOL, LPCWSTR);
static BOOL MDI_AugmentFrameMenu( HWND, HWND );
static BOOL MDI_RestoreFrameMenu( HWND, HWND );
static LONG MDI_ChildActivate( HWND, HWND );
static LRESULT MDI_RefreshMenu(MDICLIENTINFO *);
static HWND MDI_MoreWindowsDialog(HWND);
/* -------- Miscellaneous service functions ----------
*
* MDI_GetChildByID
*/
static HWND MDI_GetChildByID(HWND hwnd, UINT id, MDICLIENTINFO *ci)
{
int i;
for (i = 0; ci->nActiveChildren; i++)
{
if (GetWindowLongPtrW( ci->child[i], GWLP_ID ) == id)
return ci->child[i];
}
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;
}
/*********************************************************************
* MDIClient class descriptor
*/
static const WCHAR mdiclientW[] = {'M','D','I','C','l','i','e','n','t',0};
const struct builtin_class_descr MDICLIENT_builtin_class =
{
mdiclientW, /* name */
0, /* style */
WINPROC_MDICLIENT, /* proc */
sizeof(MDICLIENTINFO), /* extra */
IDC_ARROW, /* cursor */
(HBRUSH)(COLOR_APPWORKSPACE+1) /* brush */
};
static MDICLIENTINFO *get_client_info( HWND client )
{
MDICLIENTINFO *ret = NULL;
WND *win = WIN_GetPtr( client );
if (win)
{
if (win == WND_OTHER_PROCESS || win == WND_DESKTOP)
{
if (IsWindow(client)) WARN( "client %p belongs to other process\n", client );
return NULL;
}
if (win->flags & WIN_ISMDICLIENT)
ret = (MDICLIENTINFO *)win->wExtra;
else
WARN( "%p is not an MDI client\n", client );
WIN_ReleasePtr( win );
}
return ret;
}
static BOOL is_close_enabled(HWND hwnd, HMENU hSysMenu)
{
if (GetClassLongW(hwnd, GCL_STYLE) & CS_NOCLOSE) return FALSE;
if (!hSysMenu) hSysMenu = GetSystemMenu(hwnd, FALSE);
if (hSysMenu)
{
UINT state = GetMenuState(hSysMenu, SC_CLOSE, MF_BYCOMMAND);
if (state == 0xFFFFFFFF || (state & (MF_DISABLED | MF_GRAYED)))
return FALSE;
}
return TRUE;
}
/**********************************************************************
* MDI_GetWindow
*
* returns "activatable" child different from the current or zero
*/
static HWND MDI_GetWindow(MDICLIENTINFO *clientInfo, HWND hWnd, BOOL bNext,
DWORD dwStyleMask )
{
int i;
HWND *list;
HWND last = 0;
dwStyleMask |= WS_DISABLED | WS_VISIBLE;
if( !hWnd ) hWnd = clientInfo->hwndActiveChild;
if (!(list = WIN_ListChildren( GetParent(hWnd) ))) return 0;
i = 0;
/* start from next after hWnd */
while (list[i] && list[i] != hWnd) i++;
if (list[i]) i++;
for ( ; list[i]; i++)
{
if (GetWindow( list[i], GW_OWNER )) continue;
if ((GetWindowLongW( list[i], GWL_STYLE ) & dwStyleMask) != WS_VISIBLE) continue;
last = list[i];
if (bNext) goto found;
}
/* now restart from the beginning */
for (i = 0; list[i] && list[i] != hWnd; i++)
{
if (GetWindow( list[i], GW_OWNER )) continue;
if ((GetWindowLongW( list[i], GWL_STYLE ) & dwStyleMask) != WS_VISIBLE) continue;
last = list[i];
if (bNext) goto found;
}
found:
HeapFree( GetProcessHeap(), 0, list );
return last;
}
/**********************************************************************
* MDI_CalcDefaultChildPos
*
* It seems that the default height is about 2/3 of the client rect
*/
void MDI_CalcDefaultChildPos( HWND hwndClient, INT total, LPPOINT lpPos, INT delta, UINT *id )
{
INT nstagger;
RECT rect;
INT spacing = GetSystemMetrics(SM_CYCAPTION) + GetSystemMetrics(SM_CYFRAME) - 1;
if (total < 0) /* we are called from CreateWindow */
{
MDICLIENTINFO *ci = get_client_info(hwndClient);
total = ci->nTotalCreated;
*id = ci->idFirstChild + ci->nActiveChildren;
TRACE("MDI child id %04x\n", *id);
}
GetClientRect( hwndClient, &rect );
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 * (total%(nstagger+1));
}
/**********************************************************************
* MDISetMenu
*/
static LRESULT MDISetMenu( HWND hwnd, HMENU hmenuFrame,
HMENU hmenuWindow)
{
MDICLIENTINFO *ci;
HWND hwndFrame = GetParent(hwnd);
TRACE("%p, frame menu %p, window menu %p\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;
}
if (!(ci = get_client_info( hwnd ))) return 0;
TRACE("old frame menu %p, old window menu %p\n", ci->hFrameMenu, ci->hWindowMenu);
if (hmenuFrame)
{
if (hmenuFrame == ci->hFrameMenu) return (LRESULT)hmenuFrame;
if (ci->hwndChildMaximized)
MDI_RestoreFrameMenu( hwndFrame, ci->hwndChildMaximized );
}
if( hmenuWindow && hmenuWindow != ci->hWindowMenu )
{
/* delete menu items from ci->hWindowMenu
* and add them to hmenuWindow */
/* Agent newsreader calls this function with ci->hWindowMenu == NULL */
if( ci->hWindowMenu && ci->nActiveChildren )
{
UINT nActiveChildren_old = ci->nActiveChildren;
/* Remove all items from old Window menu */
ci->nActiveChildren = 0;
MDI_RefreshMenu(ci);
ci->hWindowMenu = hmenuWindow;
/* Add items to the new Window menu */
ci->nActiveChildren = nActiveChildren_old;
MDI_RefreshMenu(ci);
}
else
ci->hWindowMenu = hmenuWindow;
}
if (hmenuFrame)
{
SetMenu(hwndFrame, hmenuFrame);
if( hmenuFrame != ci->hFrameMenu )
{
HMENU oldFrameMenu = ci->hFrameMenu;
ci->hFrameMenu = hmenuFrame;
if (ci->hwndChildMaximized)
MDI_AugmentFrameMenu( hwndFrame, ci->hwndChildMaximized );
return (LRESULT)oldFrameMenu;
}
}
return 0;
}
/**********************************************************************
* MDIRefreshMenu
*/
static LRESULT MDI_RefreshMenu(MDICLIENTINFO *ci)
{
UINT i, count, visible, id;
WCHAR buf[MDI_MAXTITLELENGTH];
TRACE("children %u, window menu %p\n", ci->nActiveChildren, ci->hWindowMenu);
if (!ci->hWindowMenu)
return 0;
if (!IsMenu(ci->hWindowMenu))
{
WARN("Window menu handle %p is no longer valid\n", ci->hWindowMenu);
return 0;
}
/* Windows finds the last separator in the menu, and if after it
* there is a menu item with MDI magic ID removes all existing
* menu items after it, and then adds visible MDI children.
*/
count = GetMenuItemCount(ci->hWindowMenu);
for (i = 0; i < count; i++)
{
MENUITEMINFOW mii;
memset(&mii, 0, sizeof(mii));
mii.cbSize = sizeof(mii);
mii.fMask = MIIM_TYPE;
if (GetMenuItemInfoW(ci->hWindowMenu, i, TRUE, &mii))
{
if (mii.fType & MF_SEPARATOR)
{
/* Windows checks only ID of the menu item */
memset(&mii, 0, sizeof(mii));
mii.cbSize = sizeof(mii);
mii.fMask = MIIM_ID;
if (GetMenuItemInfoW(ci->hWindowMenu, i + 1, TRUE, &mii))
{
if (mii.wID == ci->idFirstChild)
{
TRACE("removing %u items including separator\n", count - i);
while (RemoveMenu(ci->hWindowMenu, i, MF_BYPOSITION))
/* nothing */;
break;
}
}
}
}
}
visible = 0;
for (i = 0; i < ci->nActiveChildren; i++)
{
if (GetWindowLongW(ci->child[i], GWL_STYLE) & WS_VISIBLE)
{
id = ci->idFirstChild + visible;
if (visible == MDI_MOREWINDOWSLIMIT)
{
LoadStringW(user32_module, IDS_MDI_MOREWINDOWS, buf, ARRAY_SIZE(buf));
AppendMenuW(ci->hWindowMenu, MF_STRING, id, buf);
break;
}
if (!visible)
/* Visio expects that separator has id 0 */
AppendMenuW(ci->hWindowMenu, MF_SEPARATOR, 0, NULL);
visible++;
SetWindowLongPtrW(ci->child[i], GWLP_ID, id);
buf[0] = '&';
buf[1] = '0' + visible;
buf[2] = ' ';
InternalGetWindowText(ci->child[i], buf + 3, ARRAY_SIZE(buf) - 3);
TRACE("Adding %p, id %u %s\n", ci->child[i], id, debugstr_w(buf));
AppendMenuW(ci->hWindowMenu, MF_STRING, id, buf);
if (ci->child[i] == ci->hwndActiveChild)
CheckMenuItem(ci->hWindowMenu, id, MF_CHECKED);
}
else
TRACE("MDI child %p is not visible, skipping\n", ci->child[i]);
}
return (LRESULT)ci->hFrameMenu;
}
/* ------------------ MDI child window functions ---------------------- */
/**********************************************************************
* 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( HWND client, HWND hwnd, MINMAXINFO* lpMinMax )
{
RECT rect;
GetClientRect( client, &rect );
AdjustWindowRectEx( &rect, GetWindowLongW( hwnd, GWL_STYLE ),
0, GetWindowLongW( hwnd, GWL_EXSTYLE ));
lpMinMax->ptMaxSize.x = rect.right -= rect.left;
lpMinMax->ptMaxSize.y = rect.bottom -= rect.top;
lpMinMax->ptMaxPosition.x = rect.left;
lpMinMax->ptMaxPosition.y = rect.top;
TRACE("max rect %s\n", wine_dbgstr_rect(&rect));
}
/**********************************************************************
* MDI_SwitchActiveChild
*
* Note: SetWindowPos sends WM_CHILDACTIVATE to the child window that is
* being activated
*/
static void MDI_SwitchActiveChild( MDICLIENTINFO *ci, HWND hwndTo, BOOL activate )
{
HWND hwndPrev;
hwndPrev = ci->hwndActiveChild;
TRACE("from %p, to %p\n", hwndPrev, hwndTo);
if ( hwndTo != hwndPrev )
{
BOOL was_zoomed = IsZoomed(hwndPrev);
if (was_zoomed)
{
/* restore old MDI child */
SendMessageW( hwndPrev, WM_SETREDRAW, FALSE, 0 );
ShowWindow( hwndPrev, SW_RESTORE );
SendMessageW( hwndPrev, WM_SETREDRAW, TRUE, 0 );
/* activate new MDI child */
SetWindowPos( hwndTo, HWND_TOP, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE );
/* maximize new MDI child */
ShowWindow( hwndTo, SW_MAXIMIZE );
}
/* activate new MDI child */
SetWindowPos( hwndTo, HWND_TOP, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE | (activate ? 0 : SWP_NOACTIVATE) );
}
}
/**********************************************************************
* MDIDestroyChild
*/
static LRESULT MDIDestroyChild( HWND client, MDICLIENTINFO *ci,
HWND child, BOOL flagDestroy )
{
UINT i;
TRACE("# of managed children %u\n", ci->nActiveChildren);
if( child == ci->hwndActiveChild )
{
HWND next = MDI_GetWindow(ci, child, TRUE, 0);
/* flagDestroy == 0 means we were called from WM_PARENTNOTIFY handler */
if (flagDestroy && next)
MDI_SwitchActiveChild(ci, next, TRUE);
else
{
ShowWindow(child, SW_HIDE);
if (child == ci->hwndChildMaximized)
{
HWND frame = GetParent(client);
MDI_RestoreFrameMenu(frame, child);
ci->hwndChildMaximized = 0;
MDI_UpdateFrameText(frame, client, TRUE, NULL);
}
if (flagDestroy)
MDI_ChildActivate(client, 0);
}
}
for (i = 0; i < ci->nActiveChildren; i++)
{
if (ci->child[i] == child)
{
HWND *new_child = HeapAlloc(GetProcessHeap(), 0, (ci->nActiveChildren - 1) * sizeof(HWND));
memcpy(new_child, ci->child, i * sizeof(HWND));
if (i + 1 < ci->nActiveChildren)
memcpy(new_child + i, ci->child + i + 1, (ci->nActiveChildren - i - 1) * sizeof(HWND));
HeapFree(GetProcessHeap(), 0, ci->child);
ci->child = new_child;
ci->nActiveChildren--;
break;
}
}
if (flagDestroy)
{
SendMessageW(client, WM_MDIREFRESHMENU, 0, 0);
MDI_PostUpdate(GetParent(child), ci, SB_BOTH+1);
DestroyWindow(child);
}
TRACE("child destroyed - %p\n", child);
return 0;
}
/**********************************************************************
* MDI_ChildActivate
*
* Called in response to WM_CHILDACTIVATE, or when last MDI child
* is being deactivated.
*/
static LONG MDI_ChildActivate( HWND client, HWND child )
{
MDICLIENTINFO *clientInfo;
HWND prevActiveWnd, frame;
BOOL isActiveFrameWnd;
clientInfo = get_client_info( client );
if (clientInfo->hwndActiveChild == child) return 0;
TRACE("%p\n", child);
frame = GetParent(client);
isActiveFrameWnd = (GetActiveWindow() == frame);
prevActiveWnd = clientInfo->hwndActiveChild;
/* deactivate prev. active child */
if(prevActiveWnd)
{
SendMessageW( prevActiveWnd, WM_NCACTIVATE, FALSE, 0L );
SendMessageW( prevActiveWnd, WM_MDIACTIVATE, (WPARAM)prevActiveWnd, (LPARAM)child);
}
MDI_SwitchActiveChild( clientInfo, child, FALSE );
clientInfo->hwndActiveChild = child;
MDI_RefreshMenu(clientInfo);
if( isActiveFrameWnd )
{
SendMessageW( child, WM_NCACTIVATE, TRUE, 0L);
/* Let the client window manage focus for children, but if the focus
* is already on the client (for instance this is the 1st child) then
* SetFocus won't work. It appears that Windows sends WM_SETFOCUS
* manually in this case.
*/
if (SetFocus(client) == client)
SendMessageW( client, WM_SETFOCUS, (WPARAM)client, 0 );
}
SendMessageW( child, WM_MDIACTIVATE, (WPARAM)prevActiveWnd, (LPARAM)child );
return TRUE;
}
/* -------------------- MDI client window functions ------------------- */
/**********************************************************************
* CreateMDIMenuBitmap
*/
static HBITMAP CreateMDIMenuBitmap(void)
{
HDC hDCSrc = CreateCompatibleDC(0);
HDC hDCDest = CreateCompatibleDC(hDCSrc);
HBITMAP hbClose = LoadBitmapW(0, MAKEINTRESOURCEW(OBM_OLD_CLOSE) );
HBITMAP hbCopy;
HBITMAP 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( HWND client, MDICLIENTINFO *ci )
{
HWND *win_array;
BOOL has_icons = FALSE;
int i, total;
if (ci->hwndChildMaximized)
SendMessageW(client, WM_MDIRESTORE, (WPARAM)ci->hwndChildMaximized, 0);
if (ci->nActiveChildren == 0) return 0;
if (!(win_array = WIN_ListChildren( client ))) return 0;
/* remove all the windows we don't want */
for (i = total = 0; win_array[i]; i++)
{
if (!IsWindowVisible( win_array[i] )) continue;
if (GetWindow( win_array[i], GW_OWNER )) continue; /* skip owned windows */
if (IsIconic( win_array[i] ))
{
has_icons = TRUE;
continue;
}
win_array[total++] = win_array[i];
}
win_array[total] = 0;
if (total)
{
INT delta = 0, n = 0, i;
POINT pos[2];
if (has_icons) delta = GetSystemMetrics(SM_CYICONSPACING) + GetSystemMetrics(SM_CYICON);
/* walk the list (backwards) and move windows */
for (i = total - 1; i >= 0; i--)
{
LONG style;
LONG posOptions = SWP_DRAWFRAME | SWP_NOACTIVATE | SWP_NOZORDER;
MDI_CalcDefaultChildPos(client, n++, pos, delta, NULL);
TRACE("move %p to (%d,%d) size [%d,%d]\n",
win_array[i], pos[0].x, pos[0].y, pos[1].x, pos[1].y);
style = GetWindowLongW(win_array[i], GWL_STYLE);
if (!(style & WS_SIZEBOX)) posOptions |= SWP_NOSIZE;
SetWindowPos( win_array[i], 0, pos[0].x, pos[0].y, pos[1].x, pos[1].y,
posOptions);
}
}
HeapFree( GetProcessHeap(), 0, win_array );
if (has_icons) ArrangeIconicWindows( client );
return 0;
}
/**********************************************************************
* MDITile
*/
static void MDITile( HWND client, MDICLIENTINFO *ci, WPARAM wParam )
{
HWND *win_array;
int i, total;
BOOL has_icons = FALSE;
if (ci->hwndChildMaximized)
SendMessageW(client, WM_MDIRESTORE, (WPARAM)ci->hwndChildMaximized, 0);
if (ci->nActiveChildren == 0) return;
if (!(win_array = WIN_ListChildren( client ))) return;
/* remove all the windows we don't want */
for (i = total = 0; win_array[i]; i++)
{
if (!IsWindowVisible( win_array[i] )) continue;
if (GetWindow( win_array[i], GW_OWNER )) continue; /* skip owned windows (icon titles) */
if (IsIconic( win_array[i] ))
{
has_icons = TRUE;
continue;
}
if ((wParam & MDITILE_SKIPDISABLED) && !IsWindowEnabled( win_array[i] )) continue;
win_array[total++] = win_array[i];
}
win_array[total] = 0;
TRACE("%u windows to tile\n", total);
if (total)
{
HWND *pWnd = win_array;
RECT rect;
int x, y, xsize, ysize;
int rows, columns, r, c, i;
GetClientRect(client,&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 (has_icons)
{
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 && *pWnd; c++)
{
if (c == columns)
{
rows = total - i;
ysize = rect.bottom / rows;
}
y = 0;
for (r = 1; r <= rows && *pWnd; r++, i++)
{
LONG posOptions = SWP_DRAWFRAME | SWP_NOACTIVATE | SWP_NOZORDER;
LONG style = GetWindowLongW(win_array[i], GWL_STYLE);
if (!(style & WS_SIZEBOX)) posOptions |= SWP_NOSIZE;
SetWindowPos(*pWnd, 0, x, y, xsize, ysize, posOptions);
y += ysize;
pWnd++;
}
x += xsize;
}
}
HeapFree( GetProcessHeap(), 0, win_array );
if (has_icons) ArrangeIconicWindows( client );
}
/* ----------------------- Frame window ---------------------------- */
/**********************************************************************
* MDI_AugmentFrameMenu
*/
static BOOL MDI_AugmentFrameMenu( HWND frame, HWND hChild )
{
HMENU menu = GetMenu( frame );
HMENU hSysPopup;
HBITMAP hSysMenuBitmap = 0;
HICON hIcon;
TRACE("frame %p,child %p\n",frame,hChild);
if (!menu) return FALSE;
/* create a copy of sysmenu popup and insert it into frame menu bar */
if (!(hSysPopup = GetSystemMenu(hChild, FALSE)))
{
TRACE("child %p doesn't have a system menu\n", hChild);
return FALSE;
}
AppendMenuW(menu, MF_HELP | MF_BITMAP,
SC_CLOSE, is_close_enabled(hChild, hSysPopup) ?
(LPCWSTR)HBMMENU_MBAR_CLOSE : (LPCWSTR)HBMMENU_MBAR_CLOSE_D );
AppendMenuW(menu, MF_HELP | MF_BITMAP,
SC_RESTORE, (LPCWSTR)HBMMENU_MBAR_RESTORE );
AppendMenuW(menu, MF_HELP | MF_BITMAP,
SC_MINIMIZE, (LPCWSTR)HBMMENU_MBAR_MINIMIZE ) ;
/* The system menu is replaced by the child icon */
hIcon = (HICON)SendMessageW(hChild, WM_GETICON, ICON_SMALL, 0);
if (!hIcon)
hIcon = (HICON)GetClassLongPtrW(hChild, GCLP_HICONSM);
if (!hIcon)
hIcon = (HICON)SendMessageW(hChild, WM_GETICON, ICON_BIG, 0);
if (!hIcon)
hIcon = (HICON)GetClassLongPtrW(hChild, GCLP_HICON);
if (!hIcon)
hIcon = LoadImageW(0, (LPWSTR)IDI_WINLOGO, IMAGE_ICON, GetSystemMetrics(SM_CXSMICON),
GetSystemMetrics(SM_CYSMICON), LR_DEFAULTCOLOR);
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;
}
}
if( !InsertMenuA(menu,0,MF_BYPOSITION | MF_BITMAP | MF_POPUP,
(UINT_PTR)hSysPopup, (LPSTR)hSysMenuBitmap))
{
TRACE("not inserted\n");
DestroyMenu(hSysPopup);
return FALSE;
}
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);
return TRUE;
}
/**********************************************************************
* MDI_RestoreFrameMenu
*/
static BOOL MDI_RestoreFrameMenu( HWND frame, HWND hChild )
{
MENUITEMINFOW menuInfo;
HMENU menu = GetMenu( frame );
INT nItems;
UINT iId;
TRACE("frame %p, child %p\n", frame, hChild);
if (!menu) return FALSE;
/* if there is no system buttons then nothing to do */
nItems = GetMenuItemCount(menu) - 1;
iId = GetMenuItemID(menu, nItems);
if ( !(iId == SC_RESTORE || iId == SC_CLOSE) )
return FALSE;
/*
* Remove the system menu, If that menu is the icon of the window
* as it is in win95, we have to delete the bitmap.
*/
memset(&menuInfo, 0, sizeof(menuInfo));
menuInfo.cbSize = sizeof(menuInfo);
menuInfo.fMask = MIIM_DATA | MIIM_TYPE;
GetMenuItemInfoW(menu,
0,
TRUE,
&menuInfo);
RemoveMenu(menu,0,MF_BYPOSITION);
if ( (menuInfo.fType & MFT_BITMAP) &&
(LOWORD(menuInfo.dwTypeData)!=0) &&
(LOWORD(menuInfo.dwTypeData)!=HBITMAP_16(hBmpClose)) )
{
DeleteObject(HBITMAP_32(LOWORD(menuInfo.dwTypeData)));
}
/* close */
DeleteMenu(menu, SC_CLOSE, MF_BYCOMMAND);
/* restore */
DeleteMenu(menu, SC_RESTORE, MF_BYCOMMAND);
/* minimize */
DeleteMenu(menu, SC_MINIMIZE, MF_BYCOMMAND);
DrawMenuBar(frame);
return TRUE;
}
/**********************************************************************
* MDI_UpdateFrameText
*
* used when child window is maximized/restored
*
* Note: lpTitle can be NULL
*/
static void MDI_UpdateFrameText( HWND frame, HWND hClient, BOOL repaint, LPCWSTR lpTitle )
{
WCHAR lpBuffer[MDI_MAXTITLELENGTH+1];
MDICLIENTINFO *ci = get_client_info( hClient );
TRACE("frameText %s\n", debugstr_w(lpTitle));
if (!ci) return;
if (!lpTitle && !ci->frameTitle) /* first time around, get title from the frame window */
{
GetWindowTextW( frame, lpBuffer, ARRAY_SIZE( lpBuffer ));
lpTitle = lpBuffer;
}
/* store new "default" title if lpTitle is not NULL */
if (lpTitle)
{
HeapFree( GetProcessHeap(), 0, ci->frameTitle );
if ((ci->frameTitle = HeapAlloc( GetProcessHeap(), 0, (strlenW(lpTitle)+1)*sizeof(WCHAR))))
strcpyW( ci->frameTitle, lpTitle );
}
if (ci->frameTitle)
{
if (ci->hwndChildMaximized)
{
/* combine frame title and child title if possible */
static const WCHAR lpBracket[] = {' ','-',' ','[',0};
static const WCHAR lpBracket2[] = {']',0};
int i_frame_text_length = strlenW(ci->frameTitle);
lstrcpynW( lpBuffer, ci->frameTitle, MDI_MAXTITLELENGTH);
if( i_frame_text_length + 6 < MDI_MAXTITLELENGTH )
{
strcatW( lpBuffer, lpBracket );
if (GetWindowTextW( ci->hwndActiveChild, lpBuffer + i_frame_text_length + 4,
MDI_MAXTITLELENGTH - i_frame_text_length - 5 ))
strcatW( lpBuffer, lpBracket2 );
else
lpBuffer[i_frame_text_length] = 0; /* remove bracket */
}
}
else
{
lstrcpynW(lpBuffer, ci->frameTitle, MDI_MAXTITLELENGTH+1 );
}
}
else
lpBuffer[0] = '\0';
DefWindowProcW( frame, WM_SETTEXT, 0, (LPARAM)lpBuffer );
if (repaint)
SetWindowPos( frame, 0,0,0,0,0, SWP_FRAMECHANGED |
SWP_NOSIZE | SWP_NOMOVE | SWP_NOACTIVATE | SWP_NOZORDER );
}
/* ----------------------------- Interface ---------------------------- */
/**********************************************************************
* MDIClientWndProc_common
*/
LRESULT MDIClientWndProc_common( HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam, BOOL unicode )
{
MDICLIENTINFO *ci;
TRACE("%p %04x (%s) %08lx %08lx\n", hwnd, message, SPY_GetMsgName(message, hwnd), wParam, lParam);
if (!(ci = get_client_info( hwnd )))
{
if (message == WM_NCCREATE) win_set_flags( hwnd, WIN_ISMDICLIENT, 0 );
return unicode ? DefWindowProcW( hwnd, message, wParam, lParam ) :
DefWindowProcA( hwnd, message, wParam, lParam );
}
switch (message)
{
case WM_CREATE:
{
/* Since we are using only cs->lpCreateParams, we can safely
* cast to LPCREATESTRUCTA here */
LPCREATESTRUCTA cs = (LPCREATESTRUCTA)lParam;
LPCLIENTCREATESTRUCT ccs = cs->lpCreateParams;
ci->hWindowMenu = ccs->hWindowMenu;
ci->idFirstChild = ccs->idFirstChild;
ci->hwndChildMaximized = 0;
ci->child = NULL;
ci->nActiveChildren = 0;
ci->nTotalCreated = 0;
ci->frameTitle = NULL;
ci->mdiFlags = 0;
ci->hFrameMenu = GetMenu(cs->hwndParent);
if (!hBmpClose) hBmpClose = CreateMDIMenuBitmap();
TRACE("Client created: hwnd %p, Window menu %p, idFirst = %04x\n",
hwnd, ci->hWindowMenu, ci->idFirstChild );
return 0;
}
case WM_DESTROY:
{
if( ci->hwndChildMaximized )
MDI_RestoreFrameMenu(GetParent(hwnd), ci->hwndChildMaximized);
ci->nActiveChildren = 0;
MDI_RefreshMenu(ci);
HeapFree( GetProcessHeap(), 0, ci->child );
HeapFree( GetProcessHeap(), 0, ci->frameTitle );
return 0;
}
case WM_MDIACTIVATE:
{
if( ci->hwndActiveChild != (HWND)wParam )
SetWindowPos((HWND)wParam, 0,0,0,0,0, SWP_NOSIZE | SWP_NOMOVE);
return 0;
}
case WM_MDICASCADE:
return MDICascade(hwnd, ci);
case WM_MDICREATE:
if (lParam)
{
HWND child;
if (unicode)
{
MDICREATESTRUCTW *csW = (MDICREATESTRUCTW *)lParam;
child = CreateWindowExW(WS_EX_MDICHILD, csW->szClass,
csW->szTitle, csW->style,
csW->x, csW->y, csW->cx, csW->cy,
hwnd, 0, csW->hOwner,
(LPVOID)csW->lParam);
}
else
{
MDICREATESTRUCTA *csA = (MDICREATESTRUCTA *)lParam;
child = CreateWindowExA(WS_EX_MDICHILD, csA->szClass,
csA->szTitle, csA->style,
csA->x, csA->y, csA->cx, csA->cy,
hwnd, 0, csA->hOwner,
(LPVOID)csA->lParam);
}
return (LRESULT)child;
}
return 0;
case WM_MDIDESTROY:
return MDIDestroyChild( hwnd, ci, WIN_GetFullHandle( (HWND)wParam ), TRUE );
case WM_MDIGETACTIVE:
if (lParam) *(BOOL *)lParam = IsZoomed(ci->hwndActiveChild);
return (LRESULT)ci->hwndActiveChild;
case WM_MDIICONARRANGE:
ci->mdiFlags |= MDIF_NEEDUPDATE;
ArrangeIconicWindows( hwnd );
ci->sbRecalc = SB_BOTH+1;
SendMessageW( hwnd, WM_MDICALCCHILDSCROLL, 0, 0 );
return 0;
case WM_MDIMAXIMIZE:
ShowWindow( (HWND)wParam, SW_MAXIMIZE );
return 0;
case WM_MDINEXT: /* lParam != 0 means previous window */
{
HWND hwnd = wParam ? WIN_GetFullHandle((HWND)wParam) : ci->hwndActiveChild;
HWND next = MDI_GetWindow( ci, hwnd, !lParam, 0 );
MDI_SwitchActiveChild( ci, next, TRUE );
if(!lParam)
SetWindowPos(hwnd, HWND_BOTTOM, 0, 0, 0, 0, SWP_NOSIZE | SWP_NOMOVE | SWP_NOACTIVATE);
break;
}
case WM_MDIRESTORE:
ShowWindow( (HWND)wParam, SW_SHOWNORMAL );
return 0;
case WM_MDISETMENU:
return MDISetMenu( hwnd, (HMENU)wParam, (HMENU)lParam );
case WM_MDIREFRESHMENU:
return MDI_RefreshMenu( ci );
case WM_MDITILE:
ci->mdiFlags |= MDIF_NEEDUPDATE;
ShowScrollBar( hwnd, SB_BOTH, FALSE );
MDITile( hwnd, ci, wParam );
ci->mdiFlags &= ~MDIF_NEEDUPDATE;
return 0;
case WM_VSCROLL:
case WM_HSCROLL:
ci->mdiFlags |= MDIF_NEEDUPDATE;
ScrollChildren( hwnd, message, wParam, lParam );
ci->mdiFlags &= ~MDIF_NEEDUPDATE;
return 0;
case WM_SETFOCUS:
if (ci->hwndActiveChild && !IsIconic( ci->hwndActiveChild ))
SetFocus( ci->hwndActiveChild );
return 0;
case WM_NCACTIVATE:
if( ci->hwndActiveChild )
SendMessageW(ci->hwndActiveChild, message, wParam, lParam);
break;
case WM_PARENTNOTIFY:
switch (LOWORD(wParam))
{
case WM_CREATE:
if (GetWindowLongW((HWND)lParam, GWL_EXSTYLE) & WS_EX_MDICHILD)
{
ci->nTotalCreated++;
ci->nActiveChildren++;
if (!ci->child)
ci->child = HeapAlloc(GetProcessHeap(), 0, sizeof(HWND));
else
ci->child = HeapReAlloc(GetProcessHeap(), 0, ci->child, sizeof(HWND) * ci->nActiveChildren);
TRACE("Adding MDI child %p, # of children %d\n",
(HWND)lParam, ci->nActiveChildren);
ci->child[ci->nActiveChildren - 1] = (HWND)lParam;
}
break;
case WM_LBUTTONDOWN:
{
HWND child;
POINT pt;
pt.x = (short)LOWORD(lParam);
pt.y = (short)HIWORD(lParam);
child = ChildWindowFromPoint(hwnd, pt);
TRACE("notification from %p (%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 );
break;
}
case WM_DESTROY:
return MDIDestroyChild( hwnd, ci, WIN_GetFullHandle( (HWND)lParam ), FALSE );
}
return 0;
case WM_SIZE:
if( ci->hwndActiveChild && IsZoomed(ci->hwndActiveChild) )
{
RECT rect;
SetRect(&rect, 0, 0, LOWORD(lParam), HIWORD(lParam));
AdjustWindowRectEx(&rect, GetWindowLongA(ci->hwndActiveChild, GWL_STYLE),
0, GetWindowLongA(ci->hwndActiveChild, GWL_EXSTYLE) );
MoveWindow(ci->hwndActiveChild, 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 unicode ? DefWindowProcW( hwnd, message, wParam, lParam ) :
DefWindowProcA( hwnd, message, wParam, lParam );
}
/***********************************************************************
* DefFrameProcA (USER32.@)
*/
LRESULT WINAPI DefFrameProcA( HWND hwnd, HWND hwndMDIClient,
UINT message, WPARAM wParam, LPARAM lParam)
{
if (hwndMDIClient)
{
switch (message)
{
case WM_SETTEXT:
{
DWORD len = MultiByteToWideChar( CP_ACP, 0, (LPSTR)lParam, -1, NULL, 0 );
LPWSTR text = HeapAlloc( GetProcessHeap(), 0, len * sizeof(WCHAR) );
MultiByteToWideChar( CP_ACP, 0, (LPSTR)lParam, -1, text, len );
MDI_UpdateFrameText( hwnd, hwndMDIClient, FALSE, text );
HeapFree( GetProcessHeap(), 0, text );
}
return 1; /* success. FIXME: check text length */
case WM_COMMAND:
case WM_NCACTIVATE:
case WM_NEXTMENU:
case WM_SETFOCUS:
case WM_SIZE:
return DefFrameProcW( hwnd, hwndMDIClient, message, wParam, lParam );
}
}
return DefWindowProcA(hwnd, message, wParam, lParam);
}
/***********************************************************************
* DefFrameProcW (USER32.@)
*/
LRESULT WINAPI DefFrameProcW( HWND hwnd, HWND hwndMDIClient,
UINT message, WPARAM wParam, LPARAM lParam)
{
MDICLIENTINFO *ci = get_client_info( hwndMDIClient );
TRACE("%p %p %04x (%s) %08lx %08lx\n", hwnd, hwndMDIClient, message, SPY_GetMsgName(message, hwnd), wParam, lParam);
if (ci)
{
switch (message)
{
case WM_COMMAND:
{
WORD id = LOWORD(wParam);
/* check for possible syscommands for maximized MDI child */
if (id < ci->idFirstChild || id >= ci->idFirstChild + ci->nActiveChildren)
{
if( (id - 0xf000) & 0xf00f ) break;
if( !ci->hwndChildMaximized ) break;
switch( id )
{
case SC_CLOSE:
if (!is_close_enabled(ci->hwndActiveChild, 0)) break;
case SC_SIZE:
case SC_MOVE:
case SC_MINIMIZE:
case SC_MAXIMIZE:
case SC_NEXTWINDOW:
case SC_PREVWINDOW:
case SC_RESTORE:
return SendMessageW( ci->hwndChildMaximized, WM_SYSCOMMAND,
wParam, lParam);
}
}
else
{
HWND childHwnd;
if (id - ci->idFirstChild == MDI_MOREWINDOWSLIMIT)
/* User chose "More Windows..." */
childHwnd = MDI_MoreWindowsDialog(hwndMDIClient);
else
/* User chose one of the windows listed in the "Windows" menu */
childHwnd = MDI_GetChildByID(hwndMDIClient, id, ci);
if( childHwnd )
SendMessageW( hwndMDIClient, WM_MDIACTIVATE, (WPARAM)childHwnd, 0 );
}
}
break;
case WM_NCACTIVATE:
SendMessageW(hwndMDIClient, message, wParam, lParam);
break;
case WM_SETTEXT:
MDI_UpdateFrameText( hwnd, hwndMDIClient, FALSE, (LPWSTR)lParam );
return 1; /* success. FIXME: check text length */
case WM_SETFOCUS:
SetFocus(hwndMDIClient);
break;
case WM_SIZE:
MoveWindow(hwndMDIClient, 0, 0, LOWORD(lParam), HIWORD(lParam), TRUE);
break;
case WM_NEXTMENU:
{
MDINEXTMENU *next_menu = (MDINEXTMENU *)lParam;
if (!IsIconic(hwnd) && ci->hwndActiveChild && !IsZoomed(ci->hwndActiveChild))
{
/* control menu is between the frame system menu and
* the first entry of menu bar */
WND *wndPtr = WIN_GetPtr(hwnd);
if( (wParam == VK_LEFT && GetMenu(hwnd) == next_menu->hmenuIn) ||
(wParam == VK_RIGHT && GetSubMenu(wndPtr->hSysMenu, 0) == next_menu->hmenuIn) )
{
WIN_ReleasePtr(wndPtr);
wndPtr = WIN_GetPtr(ci->hwndActiveChild);
next_menu->hmenuNext = GetSubMenu(wndPtr->hSysMenu, 0);
next_menu->hwndNext = ci->hwndActiveChild;
}
WIN_ReleasePtr(wndPtr);
}
return 0;
}
}
}
return DefWindowProcW( hwnd, message, wParam, lParam );
}
/***********************************************************************
* DefMDIChildProcA (USER32.@)
*/
LRESULT WINAPI DefMDIChildProcA( HWND hwnd, UINT message,
WPARAM wParam, LPARAM lParam )
{
HWND client = GetParent(hwnd);
MDICLIENTINFO *ci = get_client_info( client );
TRACE("%p %04x (%s) %08lx %08lx\n", hwnd, message, SPY_GetMsgName(message, hwnd), wParam, lParam);
hwnd = WIN_GetFullHandle( hwnd );
if (!ci) return DefWindowProcA( hwnd, message, wParam, lParam );
switch (message)
{
case WM_SETTEXT:
DefWindowProcA(hwnd, message, wParam, lParam);
if( ci->hwndChildMaximized == hwnd )
MDI_UpdateFrameText( GetParent(client), client, TRUE, NULL );
return 1; /* success. FIXME: check text length */
case WM_GETMINMAXINFO:
case WM_MENUCHAR:
case WM_CLOSE:
case WM_SETFOCUS:
case WM_CHILDACTIVATE:
case WM_SYSCOMMAND:
case WM_SHOWWINDOW:
case WM_SETVISIBLE:
case WM_SIZE:
case WM_NEXTMENU:
case WM_SYSCHAR:
case WM_DESTROY:
return DefMDIChildProcW( hwnd, message, wParam, lParam );
}
return DefWindowProcA(hwnd, message, wParam, lParam);
}
/***********************************************************************
* DefMDIChildProcW (USER32.@)
*/
LRESULT WINAPI DefMDIChildProcW( HWND hwnd, UINT message,
WPARAM wParam, LPARAM lParam )
{
HWND client = GetParent(hwnd);
MDICLIENTINFO *ci = get_client_info( client );
TRACE("%p %04x (%s) %08lx %08lx\n", hwnd, message, SPY_GetMsgName(message, hwnd), wParam, lParam);
hwnd = WIN_GetFullHandle( hwnd );
if (!ci) return DefWindowProcW( hwnd, message, wParam, lParam );
switch (message)
{
case WM_SETTEXT:
DefWindowProcW(hwnd, message, wParam, lParam);
if( ci->hwndChildMaximized == hwnd )
MDI_UpdateFrameText( GetParent(client), client, TRUE, NULL );
return 1; /* success. FIXME: check text length */
case WM_GETMINMAXINFO:
MDI_ChildGetMinMaxInfo( client, hwnd, (MINMAXINFO *)lParam );
return 0;
case WM_MENUCHAR:
return MAKELRESULT( 0, MNC_CLOSE ); /* MDI children don't have menu bars */
case WM_CLOSE:
SendMessageW( client, WM_MDIDESTROY, (WPARAM)hwnd, 0 );
return 0;
case WM_SETFOCUS:
if (ci->hwndActiveChild != hwnd)
MDI_ChildActivate( client, hwnd );
break;
case WM_CHILDACTIVATE:
if (IsWindowEnabled( hwnd ))
MDI_ChildActivate( client, hwnd );
return 0;
case WM_SYSCOMMAND:
switch (wParam & 0xfff0)
{
case SC_MOVE:
if( ci->hwndChildMaximized == hwnd )
return 0;
break;
case SC_RESTORE:
case SC_MINIMIZE:
break;
case SC_MAXIMIZE:
if (ci->hwndChildMaximized == hwnd)
return SendMessageW( GetParent(client), message, wParam, lParam);
break;
case SC_NEXTWINDOW:
SendMessageW( client, WM_MDINEXT, (WPARAM)ci->hwndActiveChild, 0);
return 0;
case SC_PREVWINDOW:
SendMessageW( client, WM_MDINEXT, (WPARAM)ci->hwndActiveChild, 1);
return 0;
}
break;
case WM_SHOWWINDOW:
case WM_SETVISIBLE:
if (ci->hwndChildMaximized) ci->mdiFlags &= ~MDIF_NEEDUPDATE;
else MDI_PostUpdate(client, ci, SB_BOTH+1);
break;
case WM_SIZE:
/* This is the only place where we switch to/from maximized state */
/* do not change */
TRACE("current active %p, maximized %p\n", ci->hwndActiveChild, ci->hwndChildMaximized);
if( ci->hwndChildMaximized == hwnd && wParam != SIZE_MAXIMIZED )
{
HWND frame;
ci->hwndChildMaximized = 0;
frame = GetParent(client);
MDI_RestoreFrameMenu( frame, hwnd );
MDI_UpdateFrameText( frame, client, TRUE, NULL );
}
if( wParam == SIZE_MAXIMIZED )
{
HWND frame, hMaxChild = ci->hwndChildMaximized;
if( hMaxChild == hwnd ) break;
if( hMaxChild)
{
SendMessageW( hMaxChild, WM_SETREDRAW, FALSE, 0 );
MDI_RestoreFrameMenu( GetParent(client), hMaxChild );
ShowWindow( hMaxChild, SW_SHOWNOACTIVATE );
SendMessageW( hMaxChild, WM_SETREDRAW, TRUE, 0 );
}
TRACE("maximizing child %p\n", hwnd );
/* keep track of the maximized window. */
ci->hwndChildMaximized = hwnd; /* !!! */
frame = GetParent(client);
MDI_AugmentFrameMenu( frame, hwnd );
MDI_UpdateFrameText( frame, client, TRUE, NULL );
}
if( wParam == SIZE_MINIMIZED )
{
HWND switchTo = MDI_GetWindow( ci, hwnd, TRUE, WS_MINIMIZE );
if (!switchTo) switchTo = hwnd;
SendMessageW( switchTo, WM_CHILDACTIVATE, 0, 0 );
}
MDI_PostUpdate(client, ci, SB_BOTH+1);
break;
case WM_NEXTMENU:
{
MDINEXTMENU *next_menu = (MDINEXTMENU *)lParam;
HWND parent = GetParent(client);
if( wParam == VK_LEFT ) /* switch to frame system menu */
{
WND *wndPtr = WIN_GetPtr( parent );
next_menu->hmenuNext = GetSubMenu( wndPtr->hSysMenu, 0 );
WIN_ReleasePtr( wndPtr );
}
if( wParam == VK_RIGHT ) /* to frame menu bar */
{
next_menu->hmenuNext = GetMenu(parent);
}
next_menu->hwndNext = parent;
return 0;
}
case WM_SYSCHAR:
if (wParam == '-')
{
SendMessageW( hwnd, WM_SYSCOMMAND, SC_KEYMENU, VK_SPACE);
return 0;
}
break;
case WM_DESTROY:
/* Remove itself from the Window menu */
MDI_RefreshMenu(ci);
break;
}
return DefWindowProcW(hwnd, message, wParam, lParam);
}
/**********************************************************************
* CreateMDIWindowA (USER32.@) Creates a MDI child
*
* 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 */
{
TRACE("(%s,%s,%08x,%d,%d,%d,%d,%p,%p,%08lx)\n",
debugstr_a(lpClassName),debugstr_a(lpWindowName),dwStyle,X,Y,
nWidth,nHeight,hWndParent,hInstance,lParam);
return CreateWindowExA(WS_EX_MDICHILD, lpClassName, lpWindowName,
dwStyle, X, Y, nWidth, nHeight, hWndParent,
0, hInstance, (LPVOID)lParam);
}
/***********************************************************************
* CreateMDIWindowW (USER32.@) Creates a MDI child
*
* 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 */
{
TRACE("(%s,%s,%08x,%d,%d,%d,%d,%p,%p,%08lx)\n",
debugstr_w(lpClassName), debugstr_w(lpWindowName), dwStyle, X, Y,
nWidth, nHeight, hWndParent, hInstance, lParam);
return CreateWindowExW(WS_EX_MDICHILD, lpClassName, lpWindowName,
dwStyle, X, Y, nWidth, nHeight, hWndParent,
0, hInstance, (LPVOID)lParam);
}
/**********************************************************************
* TranslateMDISysAccel (USER32.@)
*/
BOOL WINAPI TranslateMDISysAccel( HWND hwndClient, LPMSG msg )
{
if (msg->message == WM_KEYDOWN || msg->message == WM_SYSKEYDOWN)
{
MDICLIENTINFO *ci = get_client_info( hwndClient );
WPARAM wParam = 0;
if (!ci || !IsWindowEnabled(ci->hwndActiveChild)) return FALSE;
/* 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:
if (is_close_enabled(ci->hwndActiveChild, 0))
{
wParam = SC_CLOSE;
break;
}
/* fall through */
default:
return FALSE;
}
TRACE("wParam = %04lx\n", wParam);
SendMessageW(ci->hwndActiveChild, WM_SYSCOMMAND, wParam, msg->wParam);
return TRUE;
}
}
return FALSE; /* failure */
}
/***********************************************************************
* CalcChildScroll (USER32.@)
*/
void WINAPI CalcChildScroll( HWND hwnd, INT scroll )
{
DPI_AWARENESS_CONTEXT context;
SCROLLINFO info;
RECT childRect, clientRect;
HWND *list;
DWORD style;
context = SetThreadDpiAwarenessContext( GetWindowDpiAwarenessContext( hwnd ));
GetClientRect( hwnd, &clientRect );
SetRectEmpty( &childRect );
if ((list = WIN_ListChildren( hwnd )))
{
int i;
for (i = 0; list[i]; i++)
{
style = GetWindowLongW( list[i], GWL_STYLE );
if (style & WS_MAXIMIZE)
{
HeapFree( GetProcessHeap(), 0, list );
ShowScrollBar( hwnd, SB_BOTH, FALSE );
return;
}
if (style & WS_VISIBLE)
{
RECT rect;
WIN_GetRectangles( list[i], COORDS_PARENT, &rect, NULL );
UnionRect( &childRect, &rect, &childRect );
}
}
HeapFree( GetProcessHeap(), 0, list );
}
UnionRect( &childRect, &clientRect, &childRect );
/* set common info values */
info.cbSize = sizeof(info);
info.fMask = SIF_POS | SIF_RANGE;
/* set the specific values and apply but only if window style allows */
style = GetWindowLongW( hwnd, GWL_STYLE );
switch( scroll )
{
case SB_BOTH:
case SB_HORZ:
if (style & (WS_HSCROLL | WS_VSCROLL))
{
info.nMin = childRect.left;
info.nMax = childRect.right - clientRect.right;
info.nPos = clientRect.left - childRect.left;
SetScrollInfo(hwnd, SB_HORZ, &info, TRUE);
}
if (scroll == SB_HORZ) break;
/* fall through */
case SB_VERT:
if (style & (WS_HSCROLL | WS_VSCROLL))
{
info.nMin = childRect.top;
info.nMax = childRect.bottom - clientRect.bottom;
info.nPos = clientRect.top - childRect.top;
SetScrollInfo(hwnd, SB_VERT, &info, TRUE);
}
break;
}
SetThreadDpiAwarenessContext( context );
}
/***********************************************************************
* ScrollChildren (USER32.@)
*/
void WINAPI ScrollChildren(HWND hWnd, UINT uMsg, WPARAM wParam,
LPARAM lParam)
{
DPI_AWARENESS_CONTEXT context;
INT newPos = -1;
INT curPos, length, minPos, maxPos, shift;
RECT rect;
context = SetThreadDpiAwarenessContext( GetWindowDpiAwarenessContext( hWnd ));
GetClientRect( hWnd, &rect );
switch(uMsg)
{
case WM_HSCROLL:
GetScrollRange(hWnd,SB_HORZ,&minPos,&maxPos);
curPos = GetScrollPos(hWnd,SB_HORZ);
length = (rect.right - rect.left) / 2;
shift = GetSystemMetrics(SM_CYHSCROLL);
break;
case WM_VSCROLL:
GetScrollRange(hWnd,SB_VERT,&minPos,&maxPos);
curPos = GetScrollPos(hWnd,SB_VERT);
length = (rect.bottom - rect.top) / 2;
shift = GetSystemMetrics(SM_CXVSCROLL);
break;
default:
goto done;
}
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:
goto done;
case SB_TOP:
newPos = minPos;
break;
case SB_BOTTOM:
newPos = maxPos;
break;
case SB_ENDSCROLL:
CalcChildScroll(hWnd,(uMsg == WM_VSCROLL)?SB_VERT:SB_HORZ);
goto done;
}
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 );
done:
SetThreadDpiAwarenessContext( context );
}
/******************************************************************************
* CascadeWindows (USER32.@) Cascades MDI child windows
*
* RETURNS
* Success: Number of cascaded windows.
* Failure: 0
*/
WORD WINAPI
CascadeWindows (HWND hwndParent, UINT wFlags, const RECT *lpRect,
UINT cKids, const HWND *lpKids)
{
FIXME("(%p,0x%08x,...,%u,...): stub\n", hwndParent, wFlags, cKids);
return 0;
}
/***********************************************************************
* CascadeChildWindows (USER32.@)
*/
WORD WINAPI CascadeChildWindows( HWND parent, UINT flags )
{
return CascadeWindows( parent, flags, NULL, 0, NULL );
}
/******************************************************************************
* TileWindows (USER32.@) Tiles MDI child windows
*
* RETURNS
* Success: Number of tiled windows.
* Failure: 0
*/
WORD WINAPI
TileWindows (HWND hwndParent, UINT wFlags, const RECT *lpRect,
UINT cKids, const HWND *lpKids)
{
FIXME("(%p,0x%08x,...,%u,...): stub\n", hwndParent, wFlags, cKids);
return 0;
}
/***********************************************************************
* TileChildWindows (USER32.@)
*/
WORD WINAPI TileChildWindows( HWND parent, UINT flags )
{
return TileWindows( parent, flags, NULL, 0, NULL );
}
/************************************************************************
* "More Windows..." functionality
*/
/* MDI_MoreWindowsDlgProc
*
* This function will process the messages sent to the "More Windows..."
* dialog.
* Return values: 0 = cancel pressed
* HWND = ok pressed or double-click in the list...
*
*/
static INT_PTR WINAPI MDI_MoreWindowsDlgProc (HWND hDlg, UINT iMsg, WPARAM wParam, LPARAM lParam)
{
switch (iMsg)
{
case WM_INITDIALOG:
{
UINT widest = 0;
UINT length;
UINT i;
MDICLIENTINFO *ci = get_client_info( (HWND)lParam );
HWND hListBox = GetDlgItem(hDlg, MDI_IDC_LISTBOX);
for (i = 0; i < ci->nActiveChildren; i++)
{
WCHAR buffer[MDI_MAXTITLELENGTH];
if (!InternalGetWindowText(ci->child[i], buffer, ARRAY_SIZE(buffer)))
continue;
SendMessageW(hListBox, LB_ADDSTRING, 0, (LPARAM)buffer );
SendMessageW(hListBox, LB_SETITEMDATA, i, (LPARAM)ci->child[i] );
length = strlenW(buffer); /* FIXME: should use GetTextExtentPoint */
if (length > widest)
widest = length;
}
/* Make sure the horizontal scrollbar scrolls ok */
SendMessageW(hListBox, LB_SETHORIZONTALEXTENT, widest * 6, 0);
/* Set the current selection */
SendMessageW(hListBox, LB_SETCURSEL, MDI_MOREWINDOWSLIMIT, 0);
return TRUE;
}
case WM_COMMAND:
switch (LOWORD(wParam))
{
default:
if (HIWORD(wParam) != LBN_DBLCLK) break;
/* fall through */
case IDOK:
{
/* windows are sorted by menu ID, so we must return the
* window associated to the given id
*/
HWND hListBox = GetDlgItem(hDlg, MDI_IDC_LISTBOX);
UINT index = SendMessageW(hListBox, LB_GETCURSEL, 0, 0);
LRESULT res = SendMessageW(hListBox, LB_GETITEMDATA, index, 0);
EndDialog(hDlg, res);
return TRUE;
}
case IDCANCEL:
EndDialog(hDlg, 0);
return TRUE;
}
break;
}
return FALSE;
}
/*
*
* MDI_MoreWindowsDialog
*
* Prompts the user with a listbox containing the opened
* documents. The user can then choose a windows and click
* on OK to set the current window to the one selected, or
* CANCEL to cancel. The function returns a handle to the
* selected window.
*/
static HWND MDI_MoreWindowsDialog(HWND hwnd)
{
LPCVOID template;
HRSRC hRes;
HANDLE hDlgTmpl;
hRes = FindResourceA(user32_module, "MDI_MOREWINDOWS", (LPSTR)RT_DIALOG);
if (hRes == 0)
return 0;
hDlgTmpl = LoadResource(user32_module, hRes );
if (hDlgTmpl == 0)
return 0;
template = LockResource( hDlgTmpl );
if (template == 0)
return 0;
return (HWND) DialogBoxIndirectParamA(user32_module, template, hwnd,
MDI_MoreWindowsDlgProc, (LPARAM) hwnd);
}
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