NBKEY3.C
From EDM2
/*--------------------------------------------------------------------------------------*\
* This procedure gets invoked from the dialog to forwards keystrokes (created within *
* the dialog itself, or passed on via the owner chain) to the notebook. The notebook *
* then has the chance to see if the keystroke matches with one of it accelerator keys. *
* Usually this is done automatically via the owner chain, but the notebook control has *
* some peculiar behaviour (design flaws) here. *
* This procedure is called when processing the WM_CHAR message in the "root" dialog's *
* window procedure. *
* Req: *
* pulRecursion .. We have to prevent recursive calling of the code via PM *
* messages to prevent looping *
* hwndDialog .... Dialog where the notebook control is part of the client *
* hwndNotebook .. Notebook control itself (part of the client) *
* pfnwpNotebook . Window procedure of notebook control *
* mp1 ........... Window procedure parameter 1 *
* mp2 ........... Window procedure parameter 2 *
* Ret: *
* mresult........ Result of processing WM_CHAR *
* Ref: *
\*--------------------------------------------------------------------------------------*/
MRESULT DispatchKeyToNotebook(ULONG *pulRecursion, HWND hwndDialog, HWND hwndNotebook, PFNWP pfnwpNotebook,
MPARAM mp1, MPARAM mp2)
{
/* We have to exclude VK_NEWLINE because this does not allow
us to enter a newline into multi-line entryfields. On
Laptop computers the CRLF key causes a VK_NEWLINE, and
the ENTER key can only be accessed by SHIFT+CRLF (at least
on my ThinkPad) */
if(SHORT2FROMMP(mp2)==VK_ENTER)
{
#ifdef DEBUG_DIALOG
printf("Dialog: Dialog - Enter\n");
#endif /* DEBUG_DIALOG */
WinPostMsg(hwndDialog, WM_COMMAND,
MPFROMSHORT(DID_OK), MPFROM2SHORT(CMDSRC_ACCELERATOR, FALSE));
}
if(SHORT2FROMMP(mp2)==VK_ESC)
{
#ifdef DEBUG_DIALOG
printf("Dialog: Dialog - ESC\n");
#endif /* DEBUG_DIALOG */
WinPostMsg(hwndDialog, WM_COMMAND,
MPFROMSHORT(DID_CANCEL), MPFROM2SHORT(CMDSRC_ACCELERATOR, FALSE));
}
/* Prevent recursion and prevent message processing then */
if(*pulRecursion==TRUE)
return((MRESULT)FALSE);
/* Avoid recursion and process key */
*pulRecursion=TRUE;
if((SHORT1FROMMP(mp1) & KC_ALT) &&
!(SHORT1FROMMP(mp1) & KC_VIRTUALKEY) &&
!(SHORT1FROMMP(mp1) & KC_KEYUP))
{
#ifdef DEBUG_DIALOG
printf("Dialog: Dialog - Got key (%02X)", (int)(char)(SHORT1FROMMP(mp2)));
if(((char)SHORT1FROMMP(mp2)>=0x20) && ((char)SHORT1FROMMP(mp2)<0x7F))
printf("(%c)", (char)(SHORT1FROMMP(mp2)));
printf("\n");
#endif /* DEBUG_DIALOG */
/* Let's see if this is a shortcut key for our dialog the
notebook is part of the client */
if(!(BOOL)WinDefDlgProc(hwndDialog, WM_CHAR, mp1, mp2))
{
/* Notebook page on top */
HWND hwndNotebookPage;
#ifdef DEBUG_DIALOG
printf("Dialog: Dialog - we didn't handle it\n");
#endif /* DEBUG_DIALOG */
hwndNotebookPage=(HWND)WinSendMsg(hwndNotebook, BKM_QUERYPAGEWINDOWHWND,
(MPARAM)WinSendMsg(hwndNotebook, BKM_QUERYPAGEID, NULL, MPFROM2SHORT(BKA_TOP, 0)),
NULL);
/* Let's see if this is a shortcut key for the dialog that
implements the current notebook page on top */
if(!(BOOL)WinDefDlgProc(hwndNotebookPage, WM_CHAR, mp1, mp2))
{
#ifdef DEBUG_DIALOG
printf("Dialog: Page - we didn't handle it\n");
#endif /* DEBUG_DIALOG */
/* Let's see if this is a notebook shortcut (with no ALT
modifier) and activate the dialog page to give it the
focus then */
if((BOOL)(pfnwpNotebook)(hwndNotebook, WM_CHAR, MPFROM2SHORT(KC_CHAR, SHORT2FROMMP(mp1)), mp2))
{
SWP swpPage;
#ifdef DEBUG_DIALOG
printf("Dialog: Notebook - we handled it\n");
#endif /* DEBUG_DIALOG */
memset(&swpPage, 0, sizeof(swpPage));
swpPage.fl=SWP_ACTIVATE;
swpPage.hwndInsertBehind=HWND_TOP;
swpPage.hwnd=hwndNotebookPage;
WinSetMultWindowPos(pHP->habPc2, &swpPage, 1);
/* Now that a different notebook page is on top, get the new
one to activate the control previously having the focus */
hwndNotebookPage=(HWND)WinSendMsg(hwndNotebook, BKM_QUERYPAGEWINDOWHWND,
(MPARAM)WinSendMsg(hwndNotebook, BKM_QUERYPAGEID, NULL, MPFROM2SHORT(BKA_TOP, 0)),
NULL);
#ifdef DEBUG_DIALOG
printf("Dialog: Page - activating control %08X on page %08X\n",
WinQueryWindowULong(hwndNotebookPage, QWL_HWNDFOCUSSAVE), hwndNotebookPage);
#endif /* DEBUG_DIALOG */
WinSetFocus(HWND_DESKTOP, WinQueryWindowULong(hwndNotebookPage, QWL_HWNDFOCUSSAVE));
}
#ifdef DEBUG_DIALOG
else
printf("Dialog: Notebook - we didn't handle it\n");
#endif /* DEBUG_DIALOG */
}
}
*pulRecursion=FALSE;
return((MRESULT)TRUE);
}
*pulRecursion=FALSE;
return((MRESULT)FALSE);
}
