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Sweden-Number/dlls/comctl32/ipaddress.c

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/*
* IP Address control
*
* Copyright 2002 Dimitrie O. Paun
* Copyright 1999 Chris Morgan<cmorgan@wpi.edu>
* Copyright 1999 James Abbatiello<abbeyj@wpi.edu>
* Copyright 1998, 1999 Eric Kohl
* Copyright 1998 Alex Priem <alexp@sci.kun.nl>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*
* NOTE
*
* This code was audited for completeness against the documented features
* of Comctl32.dll version 6.0 on Sep. 9, 2002, by Dimitrie O. Paun.
*
* Unless otherwise noted, we believe this code to be complete, as per
* the specification mentioned above.
* If you discover missing features, or bugs, please note them below.
*
*/
#include <ctype.h>
#include <stdlib.h>
#include <stdarg.h>
#include <stdio.h>
#include <string.h>
#include "windef.h"
#include "winbase.h"
#include "wingdi.h"
#include "winuser.h"
#include "winnls.h"
#include "commctrl.h"
#include "comctl32.h"
#include "wine/unicode.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(ipaddress);
typedef struct
{
HWND EditHwnd;
INT LowerLimit;
INT UpperLimit;
WNDPROC OrigProc;
} IPPART_INFO;
typedef struct
{
HWND Self;
HWND Notify;
BOOL Enabled;
IPPART_INFO Part[4];
} IPADDRESS_INFO;
static const WCHAR IP_SUBCLASS_PROP[] =
{ 'C', 'C', 'I', 'P', '3', '2', 'S', 'u', 'b', 'c', 'l', 'a', 's', 's', 'I', 'n', 'f', 'o', 0 };
#define POS_DEFAULT 0
#define POS_LEFT 1
#define POS_RIGHT 2
#define POS_SELALL 3
static LRESULT CALLBACK
IPADDRESS_SubclassProc (HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
static void IPADDRESS_UpdateText (const IPADDRESS_INFO *infoPtr)
{
static const WCHAR zero[] = {'0', 0};
static const WCHAR dot[] = {'.', 0};
WCHAR field[4];
WCHAR ip[16];
INT i;
ip[0] = 0;
for (i = 0; i < 4; i++) {
if (GetWindowTextW (infoPtr->Part[i].EditHwnd, field, 4))
strcatW(ip, field);
else
/* empty edit treated as zero */
strcatW(ip, zero);
if (i != 3)
strcatW(ip, dot);
}
SetWindowTextW(infoPtr->Self, ip);
}
static LRESULT IPADDRESS_Notify (const IPADDRESS_INFO *infoPtr, UINT command)
{
HWND hwnd = infoPtr->Self;
TRACE("(command=%x)\n", command);
return SendMessageW (infoPtr->Notify, WM_COMMAND,
MAKEWPARAM (GetWindowLongPtrW (hwnd, GWLP_ID), command), (LPARAM)hwnd);
}
static INT IPADDRESS_IPNotify (const IPADDRESS_INFO *infoPtr, INT field, INT value)
{
NMIPADDRESS nmip;
TRACE("(field=%x, value=%d)\n", field, value);
nmip.hdr.hwndFrom = infoPtr->Self;
nmip.hdr.idFrom = GetWindowLongPtrW (infoPtr->Self, GWLP_ID);
nmip.hdr.code = IPN_FIELDCHANGED;
nmip.iField = field;
nmip.iValue = value;
SendMessageW (infoPtr->Notify, WM_NOTIFY, nmip.hdr.idFrom, (LPARAM)&nmip);
TRACE("<-- %d\n", nmip.iValue);
return nmip.iValue;
}
static int IPADDRESS_GetPartIndex(const IPADDRESS_INFO *infoPtr, HWND hwnd)
{
int i;
TRACE("(hwnd=%p)\n", hwnd);
for (i = 0; i < 4; i++)
if (infoPtr->Part[i].EditHwnd == hwnd) return i;
ERR("We subclassed the wrong window! (hwnd=%p)\n", hwnd);
return -1;
}
static LRESULT IPADDRESS_Draw (const IPADDRESS_INFO *infoPtr, HDC hdc)
{
static const WCHAR dotW[] = { '.', 0 };
RECT rect, rcPart;
COLORREF bgCol, fgCol;
int i;
TRACE("\n");
GetClientRect (infoPtr->Self, &rect);
if (infoPtr->Enabled) {
bgCol = comctl32_color.clrWindow;
fgCol = comctl32_color.clrWindowText;
} else {
bgCol = comctl32_color.clr3dFace;
fgCol = comctl32_color.clrGrayText;
}
FillRect (hdc, &rect, (HBRUSH)(DWORD_PTR)(bgCol+1));
DrawEdge (hdc, &rect, EDGE_SUNKEN, BF_RECT | BF_ADJUST);
SetBkColor (hdc, bgCol);
SetTextColor(hdc, fgCol);
for (i = 0; i < 3; i++) {
GetWindowRect (infoPtr->Part[i].EditHwnd, &rcPart);
MapWindowPoints( 0, infoPtr->Self, (POINT *)&rcPart, 2 );
rect.left = rcPart.right;
GetWindowRect (infoPtr->Part[i+1].EditHwnd, &rcPart);
MapWindowPoints( 0, infoPtr->Self, (POINT *)&rcPart, 2 );
rect.right = rcPart.left;
DrawTextW(hdc, dotW, 1, &rect, DT_SINGLELINE | DT_CENTER | DT_BOTTOM);
}
return 0;
}
static LRESULT IPADDRESS_Create (HWND hwnd, const CREATESTRUCTA *lpCreate)
{
IPADDRESS_INFO *infoPtr;
RECT rcClient, edit;
int i, fieldsize;
HFONT hFont, hSysFont;
LOGFONTW logFont, logSysFont;
TRACE("\n");
SetWindowLongW (hwnd, GWL_STYLE,
GetWindowLongW(hwnd, GWL_STYLE) & ~WS_BORDER);
infoPtr = Alloc (sizeof(IPADDRESS_INFO));
if (!infoPtr) return -1;
SetWindowLongPtrW (hwnd, 0, (DWORD_PTR)infoPtr);
GetClientRect (hwnd, &rcClient);
fieldsize = (rcClient.right - rcClient.left) / 4;
edit.top = rcClient.top + 2;
edit.bottom = rcClient.bottom - 2;
infoPtr->Self = hwnd;
infoPtr->Enabled = TRUE;
infoPtr->Notify = lpCreate->hwndParent;
hSysFont = GetStockObject(ANSI_VAR_FONT);
GetObjectW(hSysFont, sizeof(LOGFONTW), &logSysFont);
SystemParametersInfoW(SPI_GETICONTITLELOGFONT, 0, &logFont, 0);
strcpyW(logFont.lfFaceName, logSysFont.lfFaceName);
hFont = CreateFontIndirectW(&logFont);
for (i = 0; i < 4; i++) {
IPPART_INFO* part = &infoPtr->Part[i];
part->LowerLimit = 0;
part->UpperLimit = 255;
edit.left = rcClient.left + i*fieldsize + 6;
edit.right = rcClient.left + (i+1)*fieldsize - 2;
part->EditHwnd =
CreateWindowW (WC_EDITW, NULL, WS_CHILD | WS_VISIBLE | ES_CENTER,
edit.left, edit.top, edit.right - edit.left,
edit.bottom - edit.top, hwnd, (HMENU) 1,
(HINSTANCE)GetWindowLongPtrW(hwnd, GWLP_HINSTANCE), NULL);
SendMessageW(part->EditHwnd, WM_SETFONT, (WPARAM) hFont, FALSE);
SetPropW(part->EditHwnd, IP_SUBCLASS_PROP, hwnd);
part->OrigProc = (WNDPROC)
SetWindowLongPtrW (part->EditHwnd, GWLP_WNDPROC,
(DWORD_PTR)IPADDRESS_SubclassProc);
EnableWindow(part->EditHwnd, infoPtr->Enabled);
}
IPADDRESS_UpdateText (infoPtr);
return 0;
}
static LRESULT IPADDRESS_Destroy (IPADDRESS_INFO *infoPtr)
{
int i;
TRACE("\n");
for (i = 0; i < 4; i++) {
IPPART_INFO* part = &infoPtr->Part[i];
SetWindowLongPtrW (part->EditHwnd, GWLP_WNDPROC, (DWORD_PTR)part->OrigProc);
}
SetWindowLongPtrW (infoPtr->Self, 0, 0);
Free (infoPtr);
return 0;
}
static LRESULT IPADDRESS_Enable (IPADDRESS_INFO *infoPtr, BOOL enabled)
{
int i;
infoPtr->Enabled = enabled;
for (i = 0; i < 4; i++)
EnableWindow(infoPtr->Part[i].EditHwnd, enabled);
InvalidateRgn(infoPtr->Self, NULL, FALSE);
return 0;
}
static LRESULT IPADDRESS_Paint (const IPADDRESS_INFO *infoPtr, HDC hdc)
{
PAINTSTRUCT ps;
TRACE("\n");
if (hdc) return IPADDRESS_Draw (infoPtr, hdc);
hdc = BeginPaint (infoPtr->Self, &ps);
IPADDRESS_Draw (infoPtr, hdc);
EndPaint (infoPtr->Self, &ps);
return 0;
}
static BOOL IPADDRESS_IsBlank (const IPADDRESS_INFO *infoPtr)
{
int i;
TRACE("\n");
for (i = 0; i < 4; i++)
if (GetWindowTextLengthW (infoPtr->Part[i].EditHwnd)) return FALSE;
return TRUE;
}
static int IPADDRESS_GetAddress (const IPADDRESS_INFO *infoPtr, LPDWORD ip_address)
{
WCHAR field[5];
int i, invalid = 0;
DWORD ip_addr = 0;
TRACE("\n");
for (i = 0; i < 4; i++) {
ip_addr *= 256;
if (GetWindowTextW (infoPtr->Part[i].EditHwnd, field, 4))
ip_addr += atolW(field);
else
invalid++;
}
*ip_address = ip_addr;
return 4 - invalid;
}
static BOOL IPADDRESS_SetRange (IPADDRESS_INFO *infoPtr, int index, WORD range)
{
TRACE("\n");
if ( (index < 0) || (index > 3) ) return FALSE;
infoPtr->Part[index].LowerLimit = range & 0xFF;
infoPtr->Part[index].UpperLimit = (range >> 8) & 0xFF;
return TRUE;
}
static void IPADDRESS_ClearAddress (const IPADDRESS_INFO *infoPtr)
{
static const WCHAR nil[] = { 0 };
int i;
TRACE("\n");
for (i = 0; i < 4; i++)
SetWindowTextW (infoPtr->Part[i].EditHwnd, nil);
}
static LRESULT IPADDRESS_SetAddress (const IPADDRESS_INFO *infoPtr, DWORD ip_address)
{
WCHAR buf[20];
static const WCHAR fmt[] = { '%', 'd', 0 };
int i;
TRACE("\n");
for (i = 3; i >= 0; i--) {
const IPPART_INFO* part = &infoPtr->Part[i];
int value = ip_address & 0xff;
if ( (value >= part->LowerLimit) && (value <= part->UpperLimit) ) {
wsprintfW (buf, fmt, value);
SetWindowTextW (part->EditHwnd, buf);
IPADDRESS_Notify (infoPtr, EN_CHANGE);
}
ip_address >>= 8;
}
return TRUE;
}
static void IPADDRESS_SetFocusToField (const IPADDRESS_INFO *infoPtr, INT index)
{
TRACE("(index=%d)\n", index);
if (index > 3 || index < 0) index=0;
SetFocus (infoPtr->Part[index].EditHwnd);
}
static BOOL IPADDRESS_ConstrainField (const IPADDRESS_INFO *infoPtr, int currentfield)
{
static const WCHAR fmt[] = { '%', 'd', 0 };
const IPPART_INFO *part;
int curValue, newValue;
WCHAR field[10];
TRACE("(currentfield=%d)\n", currentfield);
if (currentfield < 0 || currentfield > 3) return FALSE;
part = &infoPtr->Part[currentfield];
if (!GetWindowTextW (part->EditHwnd, field, 4)) return FALSE;
curValue = atoiW(field);
TRACE(" curValue=%d\n", curValue);
newValue = IPADDRESS_IPNotify(infoPtr, currentfield, curValue);
TRACE(" newValue=%d\n", newValue);
if (newValue < part->LowerLimit) newValue = part->LowerLimit;
if (newValue > part->UpperLimit) newValue = part->UpperLimit;
if (newValue == curValue) return FALSE;
wsprintfW (field, fmt, newValue);
TRACE(" field=%s\n", debugstr_w(field));
return SetWindowTextW (part->EditHwnd, field);
}
static BOOL IPADDRESS_GotoNextField (const IPADDRESS_INFO *infoPtr, int cur, int sel)
{
TRACE("\n");
if(cur >= -1 && cur < 4) {
IPADDRESS_ConstrainField(infoPtr, cur);
if(cur < 3) {
const IPPART_INFO *next = &infoPtr->Part[cur + 1];
int start = 0, end = 0;
SetFocus (next->EditHwnd);
if (sel != POS_DEFAULT) {
if (sel == POS_RIGHT)
start = end = GetWindowTextLengthW(next->EditHwnd);
else if (sel == POS_SELALL)
end = -1;
SendMessageW(next->EditHwnd, EM_SETSEL, start, end);
}
return TRUE;
}
}
return FALSE;
}
/*
* period: move and select the text in the next field to the right if
* the current field is not empty(l!=0), we are not in the
* left most position, and nothing is selected(startsel==endsel)
*
* spacebar: same behavior as period
*
* alpha characters: completely ignored
*
* digits: accepted when field text length < 2 ignored otherwise.
* when 3 numbers have been entered into the field the value
* of the field is checked, if the field value exceeds the
* maximum value and is changed the field remains the current
* field, otherwise focus moves to the field to the right
*
* tab: change focus from the current ipaddress control to the next
* control in the tab order
*
* right arrow: move to the field on the right to the left most
* position in that field if no text is selected,
* we are in the right most position in the field,
* we are not in the right most field
*
* left arrow: move to the field on the left to the right most
* position in that field if no text is selected,
* we are in the left most position in the current field
* and we are not in the left most field
*
* backspace: delete the character to the left of the cursor position,
* if none are present move to the field on the left if
* we are not in the left most field and delete the right
* most digit in that field while keeping the cursor
* on the right side of the field
*/
LRESULT CALLBACK
IPADDRESS_SubclassProc (HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
HWND Self = GetPropW (hwnd, IP_SUBCLASS_PROP);
IPADDRESS_INFO *infoPtr = (IPADDRESS_INFO *)GetWindowLongPtrW (Self, 0);
CHAR c = (CHAR)wParam;
INT index, len = 0, startsel, endsel;
IPPART_INFO *part;
TRACE("(hwnd=%p msg=0x%x wparam=0x%lx lparam=0x%lx)\n", hwnd, uMsg, wParam, lParam);
if ( (index = IPADDRESS_GetPartIndex(infoPtr, hwnd)) < 0) return 0;
part = &infoPtr->Part[index];
if (uMsg == WM_CHAR || uMsg == WM_KEYDOWN) {
len = GetWindowTextLengthW (hwnd);
SendMessageW(hwnd, EM_GETSEL, (WPARAM)&startsel, (LPARAM)&endsel);
}
switch (uMsg) {
case WM_CHAR:
if(isdigit(c)) {
if(len == 2 && startsel==endsel && endsel==len) {
/* process the digit press before we check the field */
int return_val = CallWindowProcW (part->OrigProc, hwnd, uMsg, wParam, lParam);
/* if the field value was changed stay at the current field */
if(!IPADDRESS_ConstrainField(infoPtr, index))
IPADDRESS_GotoNextField (infoPtr, index, POS_DEFAULT);
return return_val;
} else if (len == 3 && startsel==endsel && endsel==len)
IPADDRESS_GotoNextField (infoPtr, index, POS_SELALL);
else if (len < 3 || startsel != endsel) break;
} else if(c == '.' || c == ' ') {
if(len && startsel==endsel && startsel != 0) {
IPADDRESS_GotoNextField(infoPtr, index, POS_SELALL);
}
} else if (c == VK_BACK) break;
return 0;
case WM_KEYDOWN:
switch(c) {
case VK_RIGHT:
if(startsel==endsel && startsel==len) {
IPADDRESS_GotoNextField(infoPtr, index, POS_LEFT);
return 0;
}
break;
case VK_LEFT:
if(startsel==0 && startsel==endsel && index > 0) {
IPADDRESS_GotoNextField(infoPtr, index - 2, POS_RIGHT);
return 0;
}
break;
case VK_BACK:
if(startsel==endsel && startsel==0 && index > 0) {
IPPART_INFO *prev = &infoPtr->Part[index-1];
WCHAR val[10];
if(GetWindowTextW(prev->EditHwnd, val, 5)) {
val[lstrlenW(val) - 1] = 0;
SetWindowTextW(prev->EditHwnd, val);
}
IPADDRESS_GotoNextField(infoPtr, index - 2, POS_RIGHT);
return 0;
}
break;
}
break;
case WM_KILLFOCUS:
if (IPADDRESS_GetPartIndex(infoPtr, (HWND)wParam) < 0)
IPADDRESS_Notify(infoPtr, EN_KILLFOCUS);
break;
case WM_SETFOCUS:
if (IPADDRESS_GetPartIndex(infoPtr, (HWND)wParam) < 0)
IPADDRESS_Notify(infoPtr, EN_SETFOCUS);
break;
}
return CallWindowProcW (part->OrigProc, hwnd, uMsg, wParam, lParam);
}
static LRESULT WINAPI
IPADDRESS_WindowProc (HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
IPADDRESS_INFO *infoPtr = (IPADDRESS_INFO *)GetWindowLongPtrW (hwnd, 0);
TRACE("(hwnd=%p msg=0x%x wparam=0x%lx lparam=0x%lx)\n", hwnd, uMsg, wParam, lParam);
if (!infoPtr && (uMsg != WM_CREATE))
return DefWindowProcW (hwnd, uMsg, wParam, lParam);
switch (uMsg)
{
case WM_CREATE:
return IPADDRESS_Create (hwnd, (LPCREATESTRUCTA)lParam);
case WM_DESTROY:
return IPADDRESS_Destroy (infoPtr);
case WM_ENABLE:
return IPADDRESS_Enable (infoPtr, (BOOL)wParam);
case WM_PAINT:
return IPADDRESS_Paint (infoPtr, (HDC)wParam);
case WM_COMMAND:
switch(wParam >> 16) {
case EN_CHANGE:
IPADDRESS_UpdateText(infoPtr);
IPADDRESS_Notify(infoPtr, EN_CHANGE);
break;
case EN_KILLFOCUS:
IPADDRESS_ConstrainField(infoPtr, IPADDRESS_GetPartIndex(infoPtr, (HWND)lParam));
break;
}
break;
case WM_SYSCOLORCHANGE:
COMCTL32_RefreshSysColors();
return 0;
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) && !COMCTL32_IsReflectedMessage(uMsg))
ERR("unknown msg %04x wp=%08lx 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 | CS_DBLCLKS | CS_HREDRAW | CS_VREDRAW;
wndClass.lpfnWndProc = IPADDRESS_WindowProc;
wndClass.cbClsExtra = 0;
wndClass.cbWndExtra = sizeof(IPADDRESS_INFO *);
wndClass.hCursor = LoadCursorW (0, (LPWSTR)IDC_IBEAM);
wndClass.hbrBackground = (HBRUSH)(COLOR_WINDOW+1);
wndClass.lpszClassName = WC_IPADDRESSW;
RegisterClassW (&wndClass);
}
void IPADDRESS_Unregister (void)
{
UnregisterClassW (WC_IPADDRESSW, NULL);
}
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