/**************************** Module Header ********************************\
* Module Name: mncomput.c
*
* Copyright (c) 1985 - 1999, Microsoft Corporation
*
* Menu Layout Calculation Routines
*
* History:
* 10-10-90 JimA Cleanup.
* 03-18-91 IanJa Window revalidation added
\***************************************************************************/
#include "precomp.h"
#pragma hdrstop
DWORD MNRecalcTabStrings(HDC hdc, PMENU pMenu, UINT iBeg, UINT iEnd,
DWORD xTab, DWORD hCount);
/***************************************************************************\
* xxxMNGetBitmapSize
*
* Returns TRUE if measureitem was sent and FALSE if not
*
* History:
* 07-23-96 GerardoB - Added header & fixed up for 5.0
\***************************************************************************/
BOOL xxxMNGetBitmapSize(
LPITEM pItem,
PWND pwndNotify)
{
MEASUREITEMSTRUCT mis;
if (pItem->cxBmp != MNIS_MEASUREBMP) {
return FALSE;
}
// Send a measure item message to the owner
mis.CtlType = ODT_MENU;
mis.CtlID = 0;
mis.itemID = pItem->wID;
mis.itemWidth = 0;
// After scrollable menus
// mis32.itemHeight= gcyMenuFontChar;
mis.itemHeight= (UINT)gpsi->cySysFontChar;
mis.itemData = pItem->dwItemData;
xxxSendMessage(pwndNotify, WM_MEASUREITEM, 0, (LPARAM)&mis);
pItem->cxBmp = mis.itemWidth;
pItem->cyBmp = mis.itemHeight;
return TRUE;
}
/***************************************************************************\
* xxxItemSize
*
* Calc the dimensions of bitmaps and strings. Loword of returned
* value contains width, high word contains height of item.
*
* History:
* 07-23-96 GerardoB - fixed up for 5.0
\***************************************************************************/
BOOL xxxMNItemSize(
PMENU pMenu,
PWND pwndNotify,
HDC hdc,
PITEM pItem,
BOOL fPopup,
LPPOINT lppt)
{
BITMAP bmp;
int width = 0;
int height = 0;
DWORD xRightJustify;
LPWSTR lpMenuString;
HFONT hfnOld;
int tcExtra;
UNREFERENCED_PARAMETER(pMenu);
CheckLock(pMenu);
CheckLock(pwndNotify);
if (!fPopup) {
/*
* Save off the height of the top menu bar since we will used this often
* if the pItem is not in a popup. (ie. it is in the top level menu bar)
*/
height = SYSMET(CYMENUSIZE);
}
hfnOld = NULL;
if (TestMFS(pItem, MFS_DEFAULT)) {
if (ghMenuFontDef)
hfnOld = GreSelectFont(hdc, ghMenuFontDef);
else {
tcExtra = GreGetTextCharacterExtra(hdc);
GreSetTextCharacterExtra(hdc, tcExtra + 1 + (gcxMenuFontChar / gpsi->cxSysFontChar));
}
}
/*
* Compute bitmap dimensions if needed
*/
if (pItem->hbmp != NULL) {
if (pItem->hbmp == HBMMENU_CALLBACK) {
xxxMNGetBitmapSize(pItem, pwndNotify);
} else if (pItem->cxBmp == MNIS_MEASUREBMP) {
if (TestMFS(pItem, MFS_CACHEDBMP)) {
pItem->cxBmp = SYSMET(CXMENUSIZE);
pItem->cyBmp = SYSMET(CYMENUSIZE);
if (pItem->hbmp == HBMMENU_SYSTEM) {
pItem->cxBmp += SYSMET(CXEDGE);
/*
* Chicago/Memphis only stretch the width,
* not the height. NT Bug 124779. FritzS
*/
// pItem->cyBmp += SYSMET(CXEDGE);
}
} else {
if (GreExtGetObjectW(pItem->hbmp, sizeof(BITMAP), (LPSTR)&bmp)) {
pItem->cxBmp = bmp.bmWidth;
pItem->cyBmp = bmp.bmHeight;
} else {
/*
* If the bitmap is not useable, this is as good a default
* as any.
*/
pItem->cxBmp = SYSMET(CXMENUSIZE);
pItem->cyBmp = SYSMET(CYMENUSIZE);
}
}
}
width = pItem->cxBmp;
/*
* Remember the max bitmap width to align the text in all items.
*/
pMenu->cxTextAlign = max(pMenu->cxTextAlign, (DWORD)width);
/*
* In menu bars, we force the item to be at least CYMNSIZE.
* Fixes many, many problems w/ apps that fake own MDI.
*/
if (fPopup) {
height = pItem->cyBmp;
} else {
height = max((int)pItem->cyBmp, height);
}
} else if (TestMFT(pItem, MFT_OWNERDRAW)) {
// This is an ownerdraw item -- the width and height are stored in
// cxBmp and cyBmp
xxxMNGetBitmapSize(pItem, pwndNotify);
width = pItem->cxBmp;
//
// Ignore height with menu bar now--that's set by user.
//
if (fPopup) {
height = pItem->cyBmp;
// If this item has a popup (hierarchical) menu associated with it, then
// reserve room for the bitmap that tells the user that a hierarchical
// menu exists here.
// B#2966, t-arthb
UserAssert(fPopup == (TestMF(pMenu, MFISPOPUP) != 0));
width = width + (gcxMenuFontChar << 1);
}
}
if ((pItem->lpstr != NULL) && (!TestMFT(pItem, MFT_OWNERDRAW)) ) {
SIZE size;
/*
* This menu item contains a string
*/
/*
* We want to keep the menu bar height if this isn't a popup.
*/
if (fPopup) {
/* The thickness of mnemonic underscore is CYBORDER and the gap
* between the characters and the underscore is another CYBORDER
*/
height = max(height, gcyMenuFontChar + gcyMenuFontExternLeading + SYSMET(CYEDGE));
}
lpMenuString = TextPointer(pItem->lpstr);
xRightJustify = FindCharPosition(lpMenuString, TEXT('\t'));
xxxPSMGetTextExtent(hdc, lpMenuString, xRightJustify, &size);
if (width) {
width += MNXSPACE + size.cx;
} else {
width = size.cx;
}
}
if (fPopup && !TestMFT(pItem, MFT_OWNERDRAW)) {
/*
* Add on space for checkmark, then horz spacing for default & disabled
* plus some left margin.
*/
if (TestMF(pMenu, MNS_CHECKORBMP) || !TestMF(pMenu, MNS_NOCHECK)) {
width += gpsi->oembmi[OBI_MENUCHECK].cx;
}
width += MNXSPACE + MNLEFTMARGIN + 2;
height += 2;
}
if (TestMFS(pItem, MFS_DEFAULT)) {
if (hfnOld)
GreSelectFont(hdc, hfnOld);
else
GreSetTextCharacterExtra(hdc, tcExtra);
}
/*
* Loword contains width, high word contains height of item.
*/
lppt->x = width;
lppt->y = height;
return(TestMFT(pItem, MFT_OWNERDRAW));
}
/***************************************************************************\
* xxxMNCompute
*
* !
*
* History:
\***************************************************************************/
int xxxMNCompute(
PMENU pMenu,
PWND pwndNotify,
DWORD yMenuTop,
DWORD xMenuLeft,
DWORD cxMax,
LPDWORD lpdwMenuHeight)
{
UINT cItem;
DWORD cxItem;
DWORD cyItem;
DWORD cyItemKeep;
DWORD yPopupTop;
INT cMaxWidth;
DWORD cMaxHeight;
UINT cItemBegCol;
DWORD temp;
PITEM pCurItem;
POINT ptMNItemSize;
BOOL fOwnerDrawItems;
BOOL fMenuBreak;
LPWSTR lpsz;
BOOL fPopupMenu;
DWORD menuHeight = 0;
HDC hdc;
HFONT hOldFont;
PTHREADINFO ptiCurrent = PtiCurrent();
BOOL fStringAndBitmapItems;
CheckLock(pMenu);
CheckLock(pwndNotify);
/*
* Whoever computes the menu, becomes the owner.
*/
if (pwndNotify != pMenu->spwndNotify) {
Lock(&pMenu->spwndNotify, pwndNotify);
}
if (lpdwMenuHeight != NULL) {
menuHeight = *lpdwMenuHeight;
}
/*
* Empty menus have a height of zero.
*/
if (pMenu->cItems == 0) {
return 0;
}
hdc = _GetDCEx(NULL, NULL, DCX_WINDOW | DCX_CACHE);
hOldFont = GreSelectFont(hdc, ghMenuFont);
/*
* Try to make a non-multirow menu first.
*/
pMenu->fFlags &= (~MFMULTIROW);
fPopupMenu = TestMF(pMenu, MFISPOPUP);
if (fPopupMenu) {
/*
* Reset the menu bar height to 0 if this is a popup since we are
* being called from menu.c MN_SIZEWINDOW.
*/
menuHeight = 0;
} else if (pwndNotify != NULL) {
pMenu->cxMenu = cxMax;
}
/*
* Initialize the computing variables.
*/
cMaxWidth = cyItemKeep = 0L;
cItemBegCol = 0;
cyItem = yPopupTop = yMenuTop;
cxItem = xMenuLeft;
pCurItem = (PITEM)&pMenu->rgItems[0];
/*
* cxTextAlign is used to align the text in all items; this is useful
* in popup menus that mix text only items with bitmap-text items. It's
* set to the max bitmap width plus some spacing.
* Do this for new menus wich use string AND bitmaps on the same item
*/
fStringAndBitmapItems = FALSE;
pMenu->cxTextAlign = 0;
/*
* Process each item in the menu.
*/
fOwnerDrawItems = FALSE;
for (cItem = 0; cItem < pMenu->cItems; cItem++) {
/*
* If it's not a separator, find the dimensions of the object.
*/
if (TestMFT(pCurItem, MFT_SEPARATOR) &&
( !TestMFT(pCurItem, MFT_OWNERDRAW) ||
(LOWORD(ptiCurrent->dwExpWinVer) < VER40)) ) {
/*
* If version is less than 4.0 don't test the MFT_OWNERDRAW
* flag. Bug 21922; App MaxEda has both separator and Ownerdraw
* flags on. In 3.51 we didn't test the OwnerDraw flag
*/
//
// This is a separator. It's drawn as wide as the menu area,
// leaving some space above and below. Since the menu area is
// the max of the items' widths, we set our width to 0 so as not
// to affect the result.
//
pCurItem->cxItem = 0;
pCurItem->cyItem = SYSMET(CYMENUSIZE) / 2;
} else {
/*
* Are we using NT5 strings and bitmaps?
*/
fStringAndBitmapItems |= ((pCurItem->hbmp != NULL) && (pCurItem->lpstr != NULL));
/*
* Get the item's X and Y dimensions.
*/
if (xxxMNItemSize(pMenu, pwndNotify, hdc, pCurItem, fPopupMenu, &ptMNItemSize))
fOwnerDrawItems = TRUE;
pCurItem->cxItem = ptMNItemSize.x;
pCurItem->cyItem = ptMNItemSize.y;
if (!fPopupMenu && ((pCurItem->hbmp == NULL) || (pCurItem->lpstr != NULL))) {
pCurItem->cxItem += gcxMenuFontChar * 2;
}
}
if (menuHeight != 0)
pCurItem->cyItem = menuHeight;
/*
* If this is the first item, initialize cMaxHeight.
*/
if (cItem == 0)
cMaxHeight = pCurItem->cyItem;
/*
* Is this a Pull-Down menu?
*/
if (fPopupMenu) {
/*
* If this item has a break or is the last item...
*/
if ((fMenuBreak = TestMFT(pCurItem, MFT_BREAK)) ||
pMenu->cItems == cItem + (UINT)1) {
/*
* Keep cMaxWidth around if this is not the last item.
*/
temp = cMaxWidth;
if (pMenu->cItems == cItem + (UINT)1) {
if ((int)(pCurItem->cxItem) > cMaxWidth)
temp = pCurItem->cxItem;
}
/*
* Get new width of string from RecalcTabStrings.
*/
temp = MNRecalcTabStrings(hdc, pMenu, cItemBegCol,
(UINT)(cItem + (fMenuBreak ? 0 : 1)), temp, cxItem);
/*
* If this item has a break, account for it.
*/
if (fMenuBreak) {
//
// Add on space for the etch and a border on either side.
// NOTE: For old apps that do weird stuff with owner
// draw, keep 'em happy by adding on the same amount
// of space we did in 3.1.
//
if (fOwnerDrawItems && !TestWF(pwndNotify, WFWIN40COMPAT))
cxItem = temp + SYSMET(CXBORDER);
else
cxItem = temp + 2 * SYSMET(CXEDGE);
/*
* Reset the cMaxWidth to the current item.
*/
cMaxWidth = pCurItem->cxItem;
/*
* Start at the top.
*/
cyItem = yPopupTop;
/*
* Save the item where this column begins.
*/
cItemBegCol = cItem;
/*
* If this item is also the last item, recalc for this
* column.
*/
if (pMenu->cItems == (UINT)(cItem + 1)) {
temp = MNRecalcTabStrings(hdc, pMenu, cItem,
(UINT)(cItem + 1), cMaxWidth, cxItem);
}
}
/*
* If this is the last entry, supply the width.
*/
if (pMenu->cItems == cItem + (UINT)1)
pMenu->cxMenu = temp;
}
pCurItem->xItem = cxItem;
pCurItem->yItem = cyItem;
cyItem += pCurItem->cyItem;
if (cyItemKeep < cyItem) {
cyItemKeep = cyItem;
}
} else {
/*
* This a Top Level menu, not a Pull-Down.
*/
/*
* Adjust right aligned items before testing for multirow
*/
if (pCurItem->lpstr != NULL) {
lpsz = TextPointer(pCurItem->lpstr);
if ((lpsz != NULL) && (*lpsz == CH_HELPPREFIX)) {
pCurItem->cxItem -= gcxMenuFontChar;
}
}
/*
* If this is a new line or a menu break.
*/
if ((TestMFT(pCurItem, MFT_BREAK)) ||
(((cxItem + pCurItem->cxItem + gcxMenuFontChar) >
(xMenuLeft + pMenu->cxMenu)) && (cItem != 0))) {
cyItem += cMaxHeight;
cxItem = xMenuLeft;
cMaxHeight = pCurItem->cyItem;
pMenu->fFlags |= MFMULTIROW;
}
pCurItem->yItem = cyItem;
pCurItem->xItem = cxItem;
cxItem += pCurItem->cxItem;
}
if (cMaxWidth < (int)(pCurItem->cxItem)) {
cMaxWidth = pCurItem->cxItem;
}
if (cMaxHeight != pCurItem->cyItem) {
if (cMaxHeight < pCurItem->cyItem)
cMaxHeight = pCurItem->cyItem;
if (!fPopupMenu) {
menuHeight = cMaxHeight;
}
}
if (!fPopupMenu) {
cyItemKeep = cyItem + cMaxHeight;
}
pCurItem++;
}
/*
* Determine where the strings should be drawn so they are aligned.
* The alignment is only for popup (vertical) menus (see
* xxxRealDrawMenuItem). The actual space depends on the MNS_NOCHECK
* and MNS_CHECKORBMP styles Multicolumn menus don't get aligment (now
* that we have scrollbars, multicolumn is out).
*/
if (!fStringAndBitmapItems || (cItemBegCol != 0)) {
pMenu->cxTextAlign = 0;
} else if (TestMF(pMenu, MNS_NOCHECK)) {
pMenu->cxTextAlign += MNXSPACE;
} else if (TestMF(pMenu, MNS_CHECKORBMP)) {
pMenu->cxTextAlign = max(pMenu->cxTextAlign, (UINT)gpsi->oembmi[OBI_MENUCHECK].cx);
pMenu->cxTextAlign += MNXSPACE;
} else {
pMenu->cxTextAlign += gpsi->oembmi[OBI_MENUCHECK].cx + MNXSPACE;
}
/*
* Add the left margin
*/
if (pMenu->cxTextAlign != 0) {
pMenu->cxTextAlign += MNLEFTMARGIN;
}
if (cItemBegCol && pMenu->cItems &&
TestMFT(((PITEM)&pMenu->rgItems[0]), MFT_RIGHTJUSTIFY)) {
//
// multi-column, if we are in RtoL mode, reverse the columns
//
pCurItem = &pMenu->rgItems[0];
for (cItem = 0; cItem < pMenu->cItems; cItem++, pCurItem++) {
pCurItem->xItem = pMenu->cxMenu -
(pCurItem->xItem + pCurItem->cxItem);
}
}
GreSelectFont(hdc, hOldFont);
_ReleaseDC(hdc);
pMenu->cyMenu = cyItemKeep - yMenuTop;
if (lpdwMenuHeight != NULL) {
*lpdwMenuHeight = menuHeight;
}
return pMenu->cyMenu;
}
/***************************************************************************\
* MBC_RightJustifyMenu
*
* !
*
* History:
\***************************************************************************/
VOID MBC_RightJustifyMenu(
PMENU pMenu)
{
PITEM pItem;
int cItem;
int iFirstRJItem = MFMWFP_NOITEM;
DWORD xMenuPos;
DWORD yPos;
DWORD xPosStart;
DWORD xPosEnd;
int cItemEnd;
int cItemStart;
BOOL bIsWin95;
//
// Need to compensate for MDI menus. Need to do all here as Win31/Hebrew did
// this. Also messed up computation, anything non-text was not moved.
//
if (pMenu->cItems == 0) {
return;
}
pItem = (PITEM)&pMenu->rgItems[0];
cItemStart = 0;
if (TestMF(pMenu,MFRTL)) {
bIsWin95 = TestWF(pMenu->spwndNotify, WFWIN40COMPAT);
while (cItemStart < (int)pMenu->cItems) {
if (bIsWin95) {
//
// deal with fake MDI dude.
//
if (!cItemStart && IsMDIItem(pItem)) {
goto StillFindStart;
} else {
break;
}
}
if (TestMFT(pItem, MFT_BITMAP)) {
if (pItem->hbmp > HBMMENU_MAX) {
break;
} else {
goto StillFindStart;
}
}
if (!TestMFT(pItem, MFT_OWNERDRAW)) {
break;
}
StillFindStart:
cItemStart++;
pItem = pMenu->rgItems + cItemStart;
}
//
// Anything before cItems should be left where it is. Now need to find
// the last item to fool with.
//
cItemEnd = pMenu->cItems - 1;
pItem = pMenu->rgItems + cItemEnd;
while (cItemEnd > cItemStart) {
if (bIsWin95) {
//
// fake mdi dudes
//
if (IsMDIItem(pItem)) {
goto StillFindEnd;
} else {
break;
}
}
if (!TestMFT(pItem, MFT_BITMAP) && !TestMFT(pItem, MFT_OWNERDRAW)) {
break;
}
StillFindEnd:
cItemEnd--;
pItem = pMenu->rgItems + cItemEnd;
}
yPos = pMenu->rgItems[0].yItem;
xMenuPos = pMenu->cxMenu ;
xPosStart = xMenuPos; // for 2nd row onward
xPosEnd = pMenu->rgItems[cItemStart].xItem ;
for (cItem = pMenu->cItems-1; cItem > cItemEnd; cItem--) {
//
// Force any MDI dudes back to the top line again.
//
pItem = pMenu->rgItems + cItem;
xMenuPos = pItem->xItem = xMenuPos - pItem->cxItem;
pItem->yItem = yPos;
}
for (cItem = cItemStart; cItem <= cItemEnd; cItem++) {
pItem = pMenu->rgItems + cItem;
if (xMenuPos - pItem->cxItem > xPosEnd) {
xMenuPos -= pItem->cxItem;
} else {
xMenuPos = xPosStart - pItem->cxItem;
yPos += pItem->cyItem;
xPosEnd = 0;
}
pItem->xItem = xMenuPos;
pItem->yItem = yPos;
}
} else {
// B#4055
// Use signed arithmetic so comparison cItem >= iFirstRJItem won't
// cause underflow.
for (cItem = 0; cItem < (int)pMenu->cItems; cItem++) {
// Find the first item which is right justified.
if (TestMFT((pMenu->rgItems + cItem), MFT_RIGHTJUSTIFY)) {
iFirstRJItem = cItem;
xMenuPos = pMenu->cxMenu + pMenu->rgItems[0].xItem;
for (cItem = (int)pMenu->cItems - 1; cItem >= iFirstRJItem; cItem--) {
pItem = pMenu->rgItems + cItem;
xMenuPos -= pItem->cxItem;
if (pItem->xItem < xMenuPos)
pItem->xItem = xMenuPos;
}
return;
}
}
}
}
/***************************************************************************\
* xxxMenuBarCompute
*
* Returns the height of the menubar menu. yMenuTop, xMenuLeft, and
* cxMax are used when computing the height/width of top level menu bars in
* windows.
*
*
* History:
\***************************************************************************/
int xxxMenuBarCompute(
PMENU pMenu,
PWND pwndNotify,
DWORD yMenuTop,
DWORD xMenuLeft,
int cxMax)
{
int size;
/* menuHeight is set by MNCompute when dealing with a top level menu and
* not all items in the menu bar have the same height. Thus, by setting
* menuHeight, MNCompute is called a second time to set every item to the
* same height. The actual value stored in menuHeight is the maximum
* height of all the menu bar items
*/
DWORD menuHeight = 0;
CheckLock(pwndNotify);
CheckLock(pMenu);
size = xxxMNCompute(pMenu, pwndNotify, yMenuTop, xMenuLeft, cxMax, &menuHeight);
if (!TestMF(pMenu, MFISPOPUP)) {
if (menuHeight != 0) {
/*
* Add a border for the multi-row case.
*/
size = xxxMNCompute(pMenu, pwndNotify, yMenuTop, xMenuLeft,
cxMax, &menuHeight);
}
/*
* Right justification of HELP items is only needed on top level
* menus.
*/
MBC_RightJustifyMenu(pMenu);
}
/*
* There's an extra border underneath the menu bar, if it's not empty!
*/
return(size ? size + SYSMET(CYBORDER) : size);
}
/***************************************************************************\
* xxxMNRecomputeBarIfNeeded
*
* !
*
* History:
\***************************************************************************/
VOID xxxMNRecomputeBarIfNeeded(
PWND pwndNotify,
PMENU pMenu)
{
int cxFrame;
int cyFrame;
UserAssert(!TestMF(pMenu, MFISPOPUP));
CheckLock(pwndNotify);
CheckLock(pMenu);
if (!TestMF(pMenu, MFSYSMENU)
&& ((pMenu->spwndNotify != pwndNotify) || !pMenu->cxMenu || !pMenu->cyMenu)) {
int cBorders;
cBorders = GetWindowBorders(pwndNotify->style, pwndNotify->ExStyle, TRUE, FALSE);
cxFrame = cBorders * SYSMET(CXBORDER);
cyFrame = cBorders * SYSMET(CYBORDER);
cyFrame += GetCaptionHeight(pwndNotify);
// The width passed in this call was larger by cxFrame;
// Fix for Bug #11466 - Fixed by SANKAR - 01/06/92 --
xxxMenuBarCompute(pMenu, pwndNotify, cyFrame, cxFrame,
(pwndNotify->rcWindow.right - pwndNotify->rcWindow.left) - cxFrame * 2);
}
}
/***************************************************************************\
* RecalcTabStrings
*
* !
*
* History:
* 10-11-90 JimA Translated from ASM
\***************************************************************************/
DWORD MNRecalcTabStrings(
HDC hdc,
PMENU pMenu,
UINT iBeg,
UINT iEnd,
DWORD xTab,
DWORD hCount)
{
UINT i;
UINT cOwnerDraw;
int adx;
int maxWidth = 0;
int cx;
PITEM pItem;
CheckLock(pMenu);
xTab += hCount;
if ((iBeg >= pMenu->cItems) || (iBeg > iEnd))
goto SeeYa;
cOwnerDraw = 0;
for (i = iBeg, pItem = pMenu->rgItems + iBeg; i < iEnd; pItem++, i++) {
adx = 0;
/*
* Subtract hCount to make dxTab relative to start of column for
* multi-column menus.
*/
pItem->dxTab = xTab - hCount;
// Skip non-string or empty string items
if ((pItem->lpstr != NULL) && !TestMFT(pItem, MFT_OWNERDRAW)) {
LPWSTR lpString = TextPointer(pItem->lpstr);
int tp;
SIZE size;
// Are there any tabs?
tp = FindCharPosition(lpString, TEXT('\t'));
if (tp < (int) pItem->cch) {
PTHREADINFO ptiCurrent = PtiCurrentShared();
if (CALL_LPK(ptiCurrent)) {
xxxClientGetTextExtentPointW(hdc, lpString + tp + 1,
pItem->cch - tp - 1, &size);
} else {
GreGetTextExtentW(hdc, lpString + tp + 1,
pItem->cch - tp - 1, &size, GGTE_WIN3_EXTENT);
}
adx = gcxMenuFontChar + size.cx;
}
} else if (TestMFT(pItem, MFT_OWNERDRAW))
cOwnerDraw++;
adx += xTab;
if (adx > maxWidth)
maxWidth = adx;
}
/*
* Add on space for hierarchical arrow. So basically, popup menu items
* can have 4 columns:
* (1) Checkmark
* (2) Text
* (3) Tabbed text for accel
* (4) Hierarchical arrow
*
* But, we only do this if at least one item isn't ownerdraw
* and if there's at least one submenu in the popup.
*/
if (cOwnerDraw != (iEnd - iBeg)) {
maxWidth += gcxMenuFontChar + gpsi->oembmi[OBI_MENUCHECK].cx;
}
cx = maxWidth - hCount;
for (i = iBeg, pItem = pMenu->rgItems + iBeg; i < iEnd; pItem++, i++)
pItem->cxItem = cx;
SeeYa:
return(maxWidth);
}
/***************************************************************************\
* GetMenuPwnd
*
* This function is used by xxxGetMenuItemRect and xxxMenuItemFromPoint
* which expect a pointer to the menu window for popup menus.
*
* In 4.0, apps had to go the extra mile to find the menu window; but this
* is bogus since menu windows are an internally thing not directly exposed
* to applications.
*
* 08/19/97 GerardoB Created
\***************************************************************************/
PWND GetMenuPwnd(
PWND pwnd,
PMENU pmenu)
{
if (TestMF(pmenu, MFISPOPUP)) {
if ((pwnd == NULL) || (GETFNID(pwnd) != FNID_MENU)) {
PPOPUPMENU ppopup = MNGetPopupFromMenu(pmenu, NULL);
if (ppopup != NULL) {
UserAssert(ppopup->spmenu == pmenu);
pwnd = ppopup->spwndPopupMenu;
}
}
}
return pwnd;
}
/***************************************************************************\
* GetMenuItemRect
\***************************************************************************/
BOOL xxxGetMenuItemRect(
PWND pwnd,
PMENU pMenu,
UINT uIndex,
LPRECT lprcScreen)
{
PITEM pItem;
int dx, dy;
BOOL fRTL;
CheckLock(pwnd);
CheckLock(pMenu);
SetRectEmpty(lprcScreen);
if (uIndex >= pMenu->cItems) {
return FALSE;
}
/*
* Raid #315084: Compatiblity with NT4/Win95/98
*
* WordPerfect does a long complex way to calc the menu rect
* by calling this API. It calls GetMenuItemRect() with the app's
* window.
*/
if (pwnd == NULL || TestWF(pwnd, WFWIN50COMPAT)) {
pwnd = GetMenuPwnd(pwnd, pMenu);
}
/*
* If no pwnd, no go.
* IMPORTANT: For MFISPOPUP we might get a different pwnd but we don't lock
* it because we won't call back.
*/
if (pwnd == NULL) {
return FALSE;
}
fRTL = TestWF(pwnd, WEFLAYOUTRTL);
if (TestMF(pMenu, MFISPOPUP)) {
if (fRTL) {
dx = pwnd->rcClient.right;
} else {
dx = pwnd->rcClient.left;
}
dy = pwnd->rcClient.top;
} else {
xxxMNRecomputeBarIfNeeded(pwnd, pMenu);
if (fRTL) {
dx = pwnd->rcWindow.right;
} else {
dx = pwnd->rcWindow.left;
}
dy = pwnd->rcWindow.top;
}
if (uIndex >= pMenu->cItems) {
return FALSE;
}
pItem = pMenu->rgItems + uIndex;
lprcScreen->right = pItem->cxItem;
lprcScreen->bottom = pItem->cyItem;
if (fRTL) {
dx -= (pItem->cxItem + pItem->xItem);
} else {
dx += pItem->xItem;
}
dy += pItem->yItem;
OffsetRect(lprcScreen, dx, dy);
return TRUE;
}
/***************************************************************************\
* xxxMenuItemFromPoint
\***************************************************************************/
int xxxMenuItemFromPoint(
PWND pwnd,
PMENU pMenu,
POINT ptScreen)
{
CheckLock(pwnd);
CheckLock(pMenu);
/*
* If no pwnd, no go.
*
* IMPORTANT: For MFISPOPUP we might get a different pwnd but we don't lock
* it because we won't call back.
*/
pwnd = GetMenuPwnd(pwnd, pMenu);
if (pwnd == NULL) {
return MFMWFP_NOITEM;
}
if (!TestMF(pMenu, MFISPOPUP)) {
xxxMNRecomputeBarIfNeeded(pwnd, pMenu);
}
return MNItemHitTest(pMenu, pwnd, ptScreen);
}
PMENU MakeMenuRtoL(
PMENU pMenu,
BOOL bRtoL)
{
PITEM pItem;
int cItem;
if (bRtoL) {
SetMF(pMenu,MFRTL);
} else {
ClearMF(pMenu,MFRTL);
}
for (cItem = 0; cItem < (int)pMenu->cItems; cItem++) {
pItem = pMenu->rgItems + cItem;
if (bRtoL) {
SetMFT(pItem, MFT_RIGHTJUSTIFY);
SetMFT(pItem, MFT_RIGHTORDER);
} else {
ClearMFT(pItem, MFT_RIGHTJUSTIFY);
ClearMFT(pItem, MFT_RIGHTORDER);
}
if (pItem->spSubMenu) {
MakeMenuRtoL(pItem->spSubMenu, bRtoL);
}
}
return pMenu;
}
/***************************************************************************\
* xxxCalcMenuBar
*
* 3/8/2000 vadimg created
\***************************************************************************/
UINT xxxCalcMenuBar(
PWND pwnd,
int iLeftOffset,
int iRightOffset,
int iTopOffset,
LPCRECT prcWnd)
{
PMENU pMenu;
UINT cyMenu, cxMenuMax;
TL tlpMenu;
CheckLock(pwnd);
pMenu = pwnd->spmenu;
if (TestwndChild(pwnd) || pMenu == NULL) {
return 0;
}
ThreadLockMenuNoModify(pMenu, &tlpMenu);
cxMenuMax = (prcWnd->right - iRightOffset) - (prcWnd->left + iLeftOffset);
xxxMenuBarCompute(pMenu, pwnd, iTopOffset, iLeftOffset, cxMenuMax);
cyMenu = pMenu->cyMenu;
ThreadUnlockMenuNoModify(&tlpMenu);
return cyMenu;
}