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574 lines
15 KiB
C
574 lines
15 KiB
C
/*
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* IP Address control
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*
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* Copyright 2002 Dimitrie O. Paun
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* Copyright 1999 Chris Morgan<cmorgan@wpi.edu>
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* Copyright 1999 James Abbatiello<abbeyj@wpi.edu>
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* Copyright 1998, 1999 Eric Kohl
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* Copyright 1998 Alex Priem <alexp@sci.kun.nl>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* NOTE
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*
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* This code was audited for completeness against the documented features
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* of Comctl32.dll version 6.0 on Sep. 9, 2002, by Dimitrie O. Paun.
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*
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* Unless otherwise noted, we belive this code to be complete, as per
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* the specification mentioned above.
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* If you discover missing features, or bugs, please note them below.
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*
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*/
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#include <ctype.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include "winbase.h"
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#include "commctrl.h"
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#include "wine/unicode.h"
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(ipaddress);
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typedef struct
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{
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HWND EditHwnd;
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INT LowerLimit;
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INT UpperLimit;
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WNDPROC OrigProc;
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} IPPART_INFO;
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typedef struct
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{
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HWND Self;
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IPPART_INFO Part[4];
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} IPADDRESS_INFO;
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#define POS_DEFAULT 0
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#define POS_LEFT 1
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#define POS_RIGHT 2
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#define POS_SELALL 3
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#define IP_SUBCLASS_PROP "CCIP32SubclassInfo"
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#define IPADDRESS_GetInfoPtr(hwnd) ((IPADDRESS_INFO *)GetWindowLongW (hwnd, 0))
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static LRESULT CALLBACK
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IPADDRESS_SubclassProc (HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
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static LRESULT IPADDRESS_Notify (IPADDRESS_INFO *infoPtr, UINT command)
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{
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HWND hwnd = infoPtr->Self;
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TRACE("(command=%x)\n", command);
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return SendMessageW (GetParent (hwnd), WM_COMMAND,
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MAKEWPARAM (GetWindowLongW (hwnd, GWL_ID), command), (LPARAM)hwnd);
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}
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static INT IPADDRESS_IPNotify (IPADDRESS_INFO *infoPtr, INT field, INT value)
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{
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NMIPADDRESS nmip;
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TRACE("(field=%x, value=%d)\n", field, value);
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nmip.hdr.hwndFrom = infoPtr->Self;
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nmip.hdr.idFrom = GetWindowLongW (infoPtr->Self, GWL_ID);
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nmip.hdr.code = IPN_FIELDCHANGED;
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nmip.iField = field;
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nmip.iValue = value;
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SendMessageW (GetParent (infoPtr->Self), WM_NOTIFY,
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(WPARAM)nmip.hdr.idFrom, (LPARAM)&nmip);
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TRACE("<-- %d\n", nmip.iValue);
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return nmip.iValue;
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}
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static int IPADDRESS_GetPartIndex(IPADDRESS_INFO *infoPtr, HWND hwnd)
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{
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int i;
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TRACE("(hwnd=%p)\n", hwnd);
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for (i = 0; i < 4; i++)
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if (infoPtr->Part[i].EditHwnd == hwnd) return i;
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ERR("We subclassed the wrong window! (hwnd=%p)\n", hwnd);
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return -1;
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}
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static LRESULT IPADDRESS_Draw (IPADDRESS_INFO *infoPtr, HDC hdc)
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{
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RECT rect, rcPart;
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POINT pt;
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int i;
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TRACE("\n");
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GetClientRect (infoPtr->Self, &rect);
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DrawEdge (hdc, &rect, EDGE_SUNKEN, BF_RECT | BF_ADJUST);
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for (i = 0; i < 3; i++) {
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GetWindowRect (infoPtr->Part[i].EditHwnd, &rcPart);
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pt.x = rcPart.right;
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ScreenToClient(infoPtr->Self, &pt);
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rect.left = pt.x;
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GetWindowRect (infoPtr->Part[i+1].EditHwnd, &rcPart);
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pt.x = rcPart.left;
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ScreenToClient(infoPtr->Self, &pt);
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rect.right = pt.x;
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DrawTextA(hdc, ".", 1, &rect, DT_SINGLELINE | DT_CENTER | DT_BOTTOM);
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}
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return 0;
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}
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static LRESULT IPADDRESS_Create (HWND hwnd)
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{
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IPADDRESS_INFO *infoPtr;
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RECT rcClient, edit;
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int i, fieldsize;
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WCHAR EDIT[] = { 'E', 'd', 'i', 't', 0 };
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TRACE("\n");
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SetWindowLongW (hwnd, GWL_STYLE,
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GetWindowLongW(hwnd, GWL_STYLE) & ~WS_BORDER);
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infoPtr = (IPADDRESS_INFO *)COMCTL32_Alloc (sizeof(IPADDRESS_INFO));
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if (!infoPtr) return -1;
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SetWindowLongW (hwnd, 0, (DWORD)infoPtr);
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GetClientRect (hwnd, &rcClient);
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fieldsize = (rcClient.right - rcClient.left) / 4;
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edit.top = rcClient.top + 2;
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edit.bottom = rcClient.bottom - 2;
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infoPtr->Self = hwnd;
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for (i = 0; i < 4; i++) {
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IPPART_INFO* part = &infoPtr->Part[i];
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part->LowerLimit = 0;
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part->UpperLimit = 255;
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edit.left = rcClient.left + i*fieldsize + 6;
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edit.right = rcClient.left + (i+1)*fieldsize - 2;
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part->EditHwnd =
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CreateWindowW (EDIT, NULL, WS_CHILD | WS_VISIBLE | ES_CENTER,
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edit.left, edit.top, edit.right - edit.left,
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edit.bottom - edit.top, hwnd, (HMENU) 1,
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(HINSTANCE)GetWindowLongW(hwnd, GWL_HINSTANCE), NULL);
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SetPropA(part->EditHwnd, IP_SUBCLASS_PROP, hwnd);
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part->OrigProc = (WNDPROC)
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SetWindowLongW (part->EditHwnd, GWL_WNDPROC,
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(LONG)IPADDRESS_SubclassProc);
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}
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return 0;
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}
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static LRESULT IPADDRESS_Destroy (IPADDRESS_INFO *infoPtr)
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{
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int i;
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TRACE("\n");
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for (i = 0; i < 4; i++) {
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IPPART_INFO* part = &infoPtr->Part[i];
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SetWindowLongW (part->EditHwnd, GWL_WNDPROC, (LONG)part->OrigProc);
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}
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SetWindowLongW (infoPtr->Self, 0, 0);
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COMCTL32_Free (infoPtr);
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return 0;
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}
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static LRESULT IPADDRESS_Paint (IPADDRESS_INFO *infoPtr, HDC hdc)
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{
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PAINTSTRUCT ps;
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TRACE("\n");
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if (hdc) return IPADDRESS_Draw (infoPtr, hdc);
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hdc = BeginPaint (infoPtr->Self, &ps);
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IPADDRESS_Draw (infoPtr, hdc);
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EndPaint (infoPtr->Self, &ps);
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return 0;
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}
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static BOOL IPADDRESS_IsBlank (IPADDRESS_INFO *infoPtr)
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{
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int i;
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TRACE("\n");
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for (i = 0; i < 4; i++)
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if (GetWindowTextLengthW (infoPtr->Part[i].EditHwnd)) return FALSE;
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return TRUE;
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}
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static int IPADDRESS_GetAddress (IPADDRESS_INFO *infoPtr, LPDWORD ip_address)
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{
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WCHAR field[5];
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int i, invalid = 0;
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DWORD ip_addr = 0;
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TRACE("\n");
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for (i = 0; i < 4; i++) {
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ip_addr *= 256;
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if (GetWindowTextW (infoPtr->Part[i].EditHwnd, field, 4))
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ip_addr += atolW(field);
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else
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invalid++;
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}
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*ip_address = ip_addr;
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return 4 - invalid;
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}
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static BOOL IPADDRESS_SetRange (IPADDRESS_INFO *infoPtr, int index, WORD range)
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{
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TRACE("\n");
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if ( (index < 0) || (index > 3) ) return FALSE;
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infoPtr->Part[index].LowerLimit = range & 0xFF;
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infoPtr->Part[index].UpperLimit = (range >> 8) & 0xFF;
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return TRUE;
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}
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static void IPADDRESS_ClearAddress (IPADDRESS_INFO *infoPtr)
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{
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WCHAR nil[1] = { 0 };
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int i;
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TRACE("\n");
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for (i = 0; i < 4; i++)
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SetWindowTextW (infoPtr->Part[i].EditHwnd, nil);
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}
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static LRESULT IPADDRESS_SetAddress (IPADDRESS_INFO *infoPtr, DWORD ip_address)
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{
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WCHAR buf[20], fmt[] = { '%', 'd', 0 };
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int i;
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TRACE("\n");
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for (i = 3; i >= 0; i--) {
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IPPART_INFO* part = &infoPtr->Part[i];
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int value = ip_address & 0xff;
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if ( (value >= part->LowerLimit) && (value <= part->UpperLimit) ) {
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wsprintfW (buf, fmt, value);
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SetWindowTextW (part->EditHwnd, buf);
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IPADDRESS_Notify (infoPtr, EN_CHANGE);
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}
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ip_address >>= 8;
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}
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return TRUE;
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}
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static void IPADDRESS_SetFocusToField (IPADDRESS_INFO *infoPtr, INT index)
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{
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TRACE("(index=%d)\n", index);
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if (index > 3) {
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for (index = 0; index < 4; index++)
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if (!GetWindowTextLengthW(infoPtr->Part[index].EditHwnd)) break;
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}
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if (index < 9 || index > 3) index = 0;
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SetFocus (infoPtr->Part[index].EditHwnd);
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}
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static BOOL IPADDRESS_ConstrainField (IPADDRESS_INFO *infoPtr, int currentfield)
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{
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IPPART_INFO *part = &infoPtr->Part[currentfield];
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WCHAR field[10], fmt[] = { '%', 'd', 0 };
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int curValue, newValue;
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TRACE("(currentfield=%d)\n", currentfield);
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if (currentfield < 0 || currentfield > 3) return FALSE;
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if (!GetWindowTextW (part->EditHwnd, field, 4)) return FALSE;
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curValue = atoiW(field);
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TRACE(" curValue=%d\n", curValue);
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newValue = IPADDRESS_IPNotify(infoPtr, currentfield, curValue);
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TRACE(" newValue=%d\n", newValue);
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if (newValue < part->LowerLimit) newValue = part->LowerLimit;
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if (newValue > part->UpperLimit) newValue = part->UpperLimit;
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if (newValue == curValue) return FALSE;
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wsprintfW (field, fmt, newValue);
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TRACE(" field='%s'\n", debugstr_w(field));
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return SetWindowTextW (part->EditHwnd, field);
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}
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static BOOL IPADDRESS_GotoNextField (IPADDRESS_INFO *infoPtr, int cur, int sel)
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{
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TRACE("\n");
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if(cur >= -1 && cur < 4) {
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IPADDRESS_ConstrainField(infoPtr, cur);
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if(cur < 3) {
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IPPART_INFO *next = &infoPtr->Part[cur + 1];
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int start = 0, end = 0;
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SetFocus (next->EditHwnd);
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if (sel != POS_DEFAULT) {
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if (sel == POS_RIGHT)
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start = end = GetWindowTextLengthW(next->EditHwnd);
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else if (sel == POS_SELALL)
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end = -1;
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SendMessageW(next->EditHwnd, EM_SETSEL, start, end);
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}
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return TRUE;
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}
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}
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return FALSE;
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}
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/*
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* period: move and select the text in the next field to the right if
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* the current field is not empty(l!=0), we are not in the
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* left most position, and nothing is selected(startsel==endsel)
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*
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* spacebar: same behavior as period
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*
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* alpha characters: completely ignored
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*
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* digits: accepted when field text length < 2 ignored otherwise.
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* when 3 numbers have been entered into the field the value
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* of the field is checked, if the field value exceeds the
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* maximum value and is changed the field remains the current
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* field, otherwise focus moves to the field to the right
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*
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* tab: change focus from the current ipaddress control to the next
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* control in the tab order
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*
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* right arrow: move to the field on the right to the left most
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* position in that field if no text is selected,
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* we are in the right most position in the field,
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* we are not in the right most field
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*
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* left arrow: move to the field on the left to the right most
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* position in that field if no text is selected,
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* we are in the left most position in the current field
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* and we are not in the left most field
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*
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* backspace: delete the character to the left of the cursor position,
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* if none are present move to the field on the left if
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* we are not in the left most field and delete the right
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* most digit in that field while keeping the cursor
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* on the right side of the field
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*/
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LRESULT CALLBACK
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IPADDRESS_SubclassProc (HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
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{
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HWND Self = (HWND)GetPropA (hwnd, IP_SUBCLASS_PROP);
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IPADDRESS_INFO *infoPtr = IPADDRESS_GetInfoPtr (Self);
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CHAR c = (CHAR)wParam;
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INT index, len = 0, startsel, endsel;
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IPPART_INFO *part;
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TRACE("(hwnd=%p msg=0x%x wparam=0x%x lparam=0x%lx)\n", hwnd, uMsg, wParam, lParam);
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if ( (index = IPADDRESS_GetPartIndex(infoPtr, hwnd)) < 0) return 0;
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part = &infoPtr->Part[index];
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if (uMsg == WM_CHAR || uMsg == WM_KEYDOWN) {
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len = GetWindowTextLengthW (hwnd);
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SendMessageW(hwnd, EM_GETSEL, (WPARAM)&startsel, (LPARAM)&endsel);
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}
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switch (uMsg) {
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case WM_CHAR:
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if(isdigit(c)) {
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if(len == 2 && startsel==endsel && endsel==len) {
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/* process the digit press before we check the field */
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int return_val = CallWindowProcW (part->OrigProc, hwnd, uMsg, wParam, lParam);
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/* if the field value was changed stay at the current field */
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if(!IPADDRESS_ConstrainField(infoPtr, index))
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IPADDRESS_GotoNextField (infoPtr, index, POS_DEFAULT);
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return return_val;
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} else if (len == 3 && startsel==endsel && endsel==len)
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IPADDRESS_GotoNextField (infoPtr, index, POS_SELALL);
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else if (len < 3) break;
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} else if(c == '.' || c == ' ') {
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if(len && startsel==endsel && startsel != 0) {
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IPADDRESS_GotoNextField(infoPtr, index, POS_SELALL);
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}
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} else if (c == VK_BACK) break;
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return 0;
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case WM_KEYDOWN:
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switch(c) {
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case VK_RIGHT:
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if(startsel==endsel && startsel==len) {
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IPADDRESS_GotoNextField(infoPtr, index, POS_LEFT);
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return 0;
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}
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break;
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case VK_LEFT:
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if(startsel==0 && startsel==endsel && index > 0) {
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IPADDRESS_GotoNextField(infoPtr, index - 2, POS_RIGHT);
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return 0;
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}
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break;
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case VK_BACK:
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if(startsel==endsel && startsel==0 && index > 0) {
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IPPART_INFO *prev = &infoPtr->Part[index-1];
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WCHAR val[10];
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if(GetWindowTextW(prev->EditHwnd, val, 5)) {
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val[lstrlenW(val) - 1] = 0;
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SetWindowTextW(prev->EditHwnd, val);
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}
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IPADDRESS_GotoNextField(infoPtr, index - 2, POS_RIGHT);
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return 0;
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}
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break;
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}
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break;
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case WM_KILLFOCUS:
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if (IPADDRESS_GetPartIndex(infoPtr, (HWND)wParam) < 0)
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IPADDRESS_Notify(infoPtr, EN_KILLFOCUS);
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break;
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case WM_SETFOCUS:
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if (IPADDRESS_GetPartIndex(infoPtr, (HWND)wParam) < 0)
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IPADDRESS_Notify(infoPtr, EN_SETFOCUS);
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break;
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}
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return CallWindowProcW (part->OrigProc, hwnd, uMsg, wParam, lParam);
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}
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static LRESULT WINAPI
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IPADDRESS_WindowProc (HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
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{
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IPADDRESS_INFO *infoPtr = IPADDRESS_GetInfoPtr (hwnd);
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TRACE("(hwnd=%p msg=0x%x wparam=0x%x lparam=0x%lx)\n", hwnd, uMsg, wParam, lParam);
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if (!infoPtr && (uMsg != WM_CREATE))
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return DefWindowProcW (hwnd, uMsg, wParam, lParam);
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switch (uMsg)
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{
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case WM_CREATE:
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return IPADDRESS_Create (hwnd);
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case WM_DESTROY:
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return IPADDRESS_Destroy (infoPtr);
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case WM_PAINT:
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return IPADDRESS_Paint (infoPtr, (HDC)wParam);
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case WM_COMMAND:
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switch(wParam >> 16) {
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case EN_CHANGE:
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IPADDRESS_Notify(infoPtr, EN_CHANGE);
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break;
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case EN_KILLFOCUS:
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IPADDRESS_ConstrainField(infoPtr, IPADDRESS_GetPartIndex(infoPtr, (HWND)lParam));
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break;
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}
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break;
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|
|
|
case IPM_CLEARADDRESS:
|
|
IPADDRESS_ClearAddress (infoPtr);
|
|
break;
|
|
|
|
case IPM_SETADDRESS:
|
|
return IPADDRESS_SetAddress (infoPtr, (DWORD)lParam);
|
|
|
|
case IPM_GETADDRESS:
|
|
return IPADDRESS_GetAddress (infoPtr, (LPDWORD)lParam);
|
|
|
|
case IPM_SETRANGE:
|
|
return IPADDRESS_SetRange (infoPtr, (int)wParam, (WORD)lParam);
|
|
|
|
case IPM_SETFOCUS:
|
|
IPADDRESS_SetFocusToField (infoPtr, (int)wParam);
|
|
break;
|
|
|
|
case IPM_ISBLANK:
|
|
return IPADDRESS_IsBlank (infoPtr);
|
|
|
|
default:
|
|
if ((uMsg >= WM_USER) && (uMsg < WM_APP))
|
|
ERR("unknown msg %04x wp=%08x lp=%08lx\n", uMsg, wParam, lParam);
|
|
return DefWindowProcW (hwnd, uMsg, wParam, lParam);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
|
|
void IPADDRESS_Register (void)
|
|
{
|
|
WNDCLASSW wndClass;
|
|
|
|
ZeroMemory (&wndClass, sizeof(WNDCLASSW));
|
|
wndClass.style = CS_GLOBALCLASS;
|
|
wndClass.lpfnWndProc = (WNDPROC)IPADDRESS_WindowProc;
|
|
wndClass.cbClsExtra = 0;
|
|
wndClass.cbWndExtra = sizeof(IPADDRESS_INFO *);
|
|
wndClass.hCursor = LoadCursorW (0, IDC_IBEAMW);
|
|
wndClass.hbrBackground = GetStockObject(WHITE_BRUSH);
|
|
wndClass.lpszClassName = WC_IPADDRESSW;
|
|
|
|
RegisterClassW (&wndClass);
|
|
}
|
|
|
|
|
|
void IPADDRESS_Unregister (void)
|
|
{
|
|
UnregisterClassW (WC_IPADDRESSW, NULL);
|
|
}
|