71 lines
1.9 KiB
C
71 lines
1.9 KiB
C
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/****************************** Module Header ******************************\
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* Module Name: help.c
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* Copyright (c) 1985 - 1999, Microsoft Corporation
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* This module contains the various rectangle manipulation APIs.
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* History:
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* 23-May-95 BradG Created for Kernel mode
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*/
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BOOL FIsParentDude(PWND pwnd)
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{
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return(TestWF(pwnd, WEFCONTROLPARENT) || TestWF(pwnd, WFDIALOGWINDOW) ||
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((GETFNID(pwnd) == FNID_BUTTON) &&
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(TestWF(pwnd, BFTYPEMASK) == BS_GROUPBOX)));
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}
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/*
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* GetContextHelpId()
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* Given a pwnd, this returns the Help Context Id for that window;
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* Note: If a window does not have a Context Id of its own, then it inherits
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* the ContextId of it's parent, if it is a child window; else, from its owner,
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* it is a owned popup.
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*/
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DWORD GetContextHelpId(
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PWND pwnd)
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{
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DWORD dwContextId;
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while (!(dwContextId = (DWORD)(ULONG_PTR)_GetProp(pwnd,
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MAKEINTATOM(gpsi->atomContextHelpIdProp), PROPF_INTERNAL))) {
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pwnd = (TestwndChild(pwnd) ?
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REBASEPWND(pwnd, spwndParent) :
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REBASEPWND(pwnd, spwndOwner));
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if (!pwnd || (GETFNID(pwnd) == FNID_DESKTOP))
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break;
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}
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return dwContextId;
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}
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/*
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* Dialog Child enumeration proc
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* Enumerates children of a dialog looking for the child under the mouse.
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*/
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BOOL CALLBACK EnumPwndDlgChildProc(PWND pwnd, LPARAM lParam)
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{
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PDLGENUMDATA pDlgEnumData = (PDLGENUMDATA)lParam;
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if (pwnd != pDlgEnumData->pwndDialog && IsVisible(pwnd) &&
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PtInRect(&((WND *)pwnd)->rcWindow, pDlgEnumData->ptCurHelp)) {
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/*
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* If it's a group box, keep enumerating. This takes care of
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* the case where we have a disabled control in a group box.
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* We'll find the group box first, and keep enumerating until we
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* hit the disabled control.
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*/
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pDlgEnumData->pwndControl = pwnd;
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return (FIsParentDude(pwnd));
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}
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return TRUE;
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}
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