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tinus <o112w8r02@sneakemail.com>

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Don't allow selecting disabled menu items

svn path=/trunk/; revision=13246
This commit is contained in:
Gé van Geldorp 2005-01-24 09:41:00 +00:00
parent 5888e99ef3
commit 87be65443f
1 changed files with 60 additions and 38 deletions
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98
reactos/lib/user32/windows/menu.c
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@ -1884,46 +1884,56 @@ MenuMoveSelection(HWND WndOwner, PROSMENUINFO MenuInfo, INT Offset)
{
INT i;
ROSMENUITEMINFO ItemInfo;
INT OrigPos;
DPRINT("hwnd=%x menu=%x off=0x%04x\n", WndOwner, MenuInfo, Offset);
/* Prevent looping */
if (0 == MenuInfo->MenuItemCount || 0 == Offset)
return;
else if (Offset < -1)
Offset = -1;
else if (Offset > 1)
Offset = 1;
MenuInitRosMenuItemInfo(&ItemInfo);
if (NO_SELECTED_ITEM != MenuInfo->FocusedItem)
OrigPos = MenuInfo->FocusedItem;
if (OrigPos == NO_SELECTED_ITEM) /* NO_SELECTED_ITEM is not -1 ! */
{
if (1 == MenuInfo->MenuItemCount)
{
MenuCleanupRosMenuItemInfo(&ItemInfo);
return;
}
else
{
for (i = MenuInfo->FocusedItem + Offset;
0 <= i && i < MenuInfo->MenuItemCount;
i += Offset)
{
if (MenuGetRosMenuItemInfo(MenuInfo->Self, i, &ItemInfo) &&
0 == (ItemInfo.fType & MF_SEPARATOR))
{
MenuSelectItem(WndOwner, MenuInfo, i, TRUE, NULL);
MenuCleanupRosMenuItemInfo(&ItemInfo);
return;
}
}
}
OrigPos = 0;
i = -1;
}
else
{
i = MenuInfo->FocusedItem;
}
for (i = (0 < Offset) ? 0 : MenuInfo->MenuItemCount - 1;
0 <= i && i < MenuInfo->MenuItemCount; i += Offset)
do
{
/* Step */
i += Offset;
/* Clip and wrap around */
if (i < 0)
{
i = MenuInfo->MenuItemCount - 1;
}
else if (i >= MenuInfo->MenuItemCount)
{
i = 0;
}
/* If this is a good candidate; */
if (MenuGetRosMenuItemInfo(MenuInfo->Self, i, &ItemInfo) &&
0 == (ItemInfo.fType & MF_SEPARATOR))
0 == (ItemInfo.fType & MF_SEPARATOR) &&
0 == (ItemInfo.fState & (MFS_DISABLED | MFS_GRAYED)) )
{
MenuSelectItem(WndOwner, MenuInfo, i, TRUE, NULL);
MenuCleanupRosMenuItemInfo(&ItemInfo);
return;
}
}
} while (i != OrigPos);
/* Not found */
MenuCleanupRosMenuItemInfo(&ItemInfo);
}
@ -2276,15 +2286,19 @@ MenuButtonDown(MTRACKER* Mt, HMENU PtMenu, UINT Flags)
return FALSE;
}
if (MenuInfo.FocusedItem != Index)
{
MenuSwitchTracking(Mt, &MenuInfo, Index);
}
if (!(Item.fType & MF_SEPARATOR) &&
!(Item.fState & (MFS_DISABLED | MFS_GRAYED)) )
{
if (MenuInfo.FocusedItem != Index)
{
MenuSwitchTracking(Mt, &MenuInfo, Index);
}
/* If the popup menu is not already "popped" */
if (0 == (Item.fState & MF_MOUSESELECT))
{
Mt->CurrentMenu = MenuShowSubPopup(Mt->OwnerWnd, &MenuInfo, FALSE, Flags);
/* If the popup menu is not already "popped" */
if (0 == (Item.fState & MF_MOUSESELECT))
{
Mt->CurrentMenu = MenuShowSubPopup(Mt->OwnerWnd, &MenuInfo, FALSE, Flags);
}
}
MenuCleanupRosMenuItemInfo(&Item);
@ -2422,6 +2436,7 @@ MenuMouseMove(MTRACKER *Mt, HMENU PtMenu, UINT Flags)
{
UINT Index;
ROSMENUINFO MenuInfo;
ROSMENUITEMINFO ItemInfo;
if (NULL != PtMenu)
{
@ -2454,8 +2469,15 @@ MenuMouseMove(MTRACKER *Mt, HMENU PtMenu, UINT Flags)
}
else if (MenuInfo.FocusedItem != Index)
{
MenuSwitchTracking(Mt, &MenuInfo, Index);
Mt->CurrentMenu = MenuShowSubPopup(Mt->OwnerWnd, &MenuInfo, FALSE, Flags);
MenuInitRosMenuItemInfo(&ItemInfo);
if (MenuGetRosMenuItemInfo(MenuInfo.Self, Index, &ItemInfo) &&
!(ItemInfo.fType & MF_SEPARATOR) &&
!(ItemInfo.fState & (MFS_DISABLED | MFS_GRAYED)) )
{
MenuSwitchTracking(Mt, &MenuInfo, Index);
Mt->CurrentMenu = MenuShowSubPopup(Mt->OwnerWnd, &MenuInfo, FALSE, Flags);
}
MenuCleanupRosMenuItemInfo(&ItemInfo);
}
return TRUE;
@ -4026,9 +4048,9 @@ InsertMenuItemW(
BOOL res = FALSE;
mi.hbmpItem = (HBITMAP)0;
// while we could just pass 'lpmii' to win32k, we make a copy so that
// if a bad user passes bad data, we crash his process instead of the
// entire kernel
/* while we could just pass 'lpmii' to win32k, we make a copy so that
if a bad user passes bad data, we crash his process instead of the
entire kernel */
if((lpmii->cbSize == sizeof(MENUITEMINFOW)) ||
(lpmii->cbSize == sizeof(MENUITEMINFOW) - sizeof(HBITMAP)))