Authors: Chris Morgan <cmorgan@wpi.edu>, James Abbatiello <abbeyj@wpi.edu>

Complete rewrite of messaging code to implement/fix all input behaviors.
Fixed a few fixmes.
This commit is contained in:
Alexandre Julliard 1999-06-26 10:25:16 +00:00
parent 5f8f4f77f5
commit 3c1ebcceca
1 changed files with 436 additions and 344 deletions

View File

@ -1,23 +1,24 @@
/* /*
* IP Address control * IP Address control
* *
* Copyright 1999 Chris Morgan<cmorgan@wpi.edu> and
* James Abbatiello<abbeyj@wpi.edu>
* Copyright 1998, 1999 Eric Kohl * Copyright 1998, 1999 Eric Kohl
* Copyright 1998 Alex Priem <alexp@sci.kun.nl> * Copyright 1998 Alex Priem <alexp@sci.kun.nl>
* *
* NOTES * NOTES
* *
* TODO: * TODO:
* -Check ranges when changing field-focus. * -Edit control doesn't support the ES_CENTER style which prevents
* this ipaddress control from having centered text look like the
* windows ipaddress control
* -Check all notifications/behavior. * -Check all notifications/behavior.
* -Optimization: include lpipsi in IPADDRESS_INFO. * -Optimization:
* -include lpipsi in IPADDRESS_INFO.
* -CurrentFocus: field that has focus at moment of processing. * -CurrentFocus: field that has focus at moment of processing.
* -connect Rect32 rcClient. * -connect Rect32 rcClient.
* -handle right and left arrows correctly. Boring.
* -split GotoNextField in CheckField and GotoNextField.
* -check ipaddress.cpp for missing features. * -check ipaddress.cpp for missing features.
* -refresh: draw '.' instead of setpixel. * -refresh: draw '.' instead of setpixel.
* -handle VK_ESCAPE.
*/ */
#include <ctype.h> #include <ctype.h>
@ -31,16 +32,13 @@
DEFAULT_DEBUG_CHANNEL(ipaddress) DEFAULT_DEBUG_CHANNEL(ipaddress)
#define IPADDRESS_GetInfoPtr(hwnd) ((IPADDRESS_INFO *)GetWindowLongA (hwnd, 0)) #define IPADDRESS_GetInfoPtr(hwnd) ((IPADDRESS_INFO *)GetWindowLongA (hwnd, 0))
static BOOL static BOOL
IPADDRESS_SendNotify (HWND hwnd, UINT command); IPADDRESS_SendNotify (HWND hwnd, UINT command);
static BOOL static BOOL
IPADDRESS_SendIPAddressNotify (HWND hwnd, UINT field, BYTE newValue); IPADDRESS_SendIPAddressNotify (HWND hwnd, UINT field, BYTE newValue);
/* property name of tooltip window handle */ /* property name of tooltip window handle */
#define IP_SUBCLASS_PROP "CCIP32SubclassInfo" #define IP_SUBCLASS_PROP "CCIP32SubclassInfo"
@ -49,8 +47,6 @@ static LRESULT CALLBACK
IPADDRESS_SubclassProc (HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam); IPADDRESS_SubclassProc (HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
static VOID static VOID
IPADDRESS_Refresh (HWND hwnd, HDC hdc) IPADDRESS_Refresh (HWND hwnd, HDC hdc)
{ {
@ -74,15 +70,10 @@ IPADDRESS_Refresh (HWND hwnd, HDC hdc)
SetPixel (hdc, x, 14, clr); SetPixel (hdc, x, 14, clr);
SetPixel (hdc, x+1, 13, clr); SetPixel (hdc, x+1, 13, clr);
SetPixel (hdc, x+1, 14, clr); SetPixel (hdc, x+1, 14, clr);
} }
} }
static LRESULT static LRESULT
IPADDRESS_Create (HWND hwnd, WPARAM wParam, LPARAM lParam) IPADDRESS_Create (HWND hwnd, WPARAM wParam, LPARAM lParam)
{ {
@ -102,32 +93,30 @@ IPADDRESS_Create (HWND hwnd, WPARAM wParam, LPARAM lParam)
edit.top =rcClient.top+2; edit.top =rcClient.top+2;
edit.bottom=rcClient.bottom-2; edit.bottom=rcClient.bottom-2;
lpipsi=(LPIP_SUBCLASS_INFO) lpipsi=(LPIP_SUBCLASS_INFO) GetPropA ((HWND)hwnd, IP_SUBCLASS_PROP);
GetPropA ((HWND)hwnd, IP_SUBCLASS_PROP);
if (lpipsi == NULL) { if (lpipsi == NULL) {
lpipsi = (LPIP_SUBCLASS_INFO) COMCTL32_Alloc (sizeof(IP_SUBCLASS_INFO)); lpipsi = (LPIP_SUBCLASS_INFO) COMCTL32_Alloc (sizeof(IP_SUBCLASS_INFO));
lpipsi->hwnd = hwnd; lpipsi->hwnd = hwnd;
lpipsi->uRefCount++; lpipsi->uRefCount++;
SetPropA ((HWND)hwnd, IP_SUBCLASS_PROP, SetPropA ((HWND)hwnd, IP_SUBCLASS_PROP, (HANDLE)lpipsi);
(HANDLE)lpipsi);
/* infoPtr->lpipsi= lpipsi; */ /* infoPtr->lpipsi= lpipsi; */
} else } else
WARN("IP-create called twice\n"); WARN("IP-create called twice\n");
for (i=0; i<=3; i++) { for (i=0; i<=3; i++)
{
infoPtr->LowerLimit[i]=0; infoPtr->LowerLimit[i]=0;
infoPtr->UpperLimit[i]=255; infoPtr->UpperLimit[i]=255;
edit.left=rcClient.left+i*fieldsize+3; edit.left=rcClient.left+i*fieldsize+6;
edit.right=rcClient.left+(i+1)*fieldsize-2; edit.right=rcClient.left+(i+1)*fieldsize-2;
lpipsi->hwndIP[i]= CreateWindowA ("edit", NULL, lpipsi->hwndIP[i]= CreateWindowA ("edit", NULL,
WS_CHILD | WS_VISIBLE | ES_LEFT, WS_CHILD | WS_VISIBLE | ES_CENTER,
edit.left, edit.top, edit.right-edit.left, edit.bottom-edit.top, edit.left, edit.top, edit.right-edit.left, edit.bottom-edit.top,
hwnd, (HMENU) 1, GetWindowLongA (hwnd, GWL_HINSTANCE), NULL); hwnd, (HMENU) 1, GetWindowLongA (hwnd, GWL_HINSTANCE), NULL);
lpipsi->wpOrigProc[i]= (WNDPROC) lpipsi->wpOrigProc[i]= (WNDPROC)
SetWindowLongA (lpipsi->hwndIP[i],GWL_WNDPROC, (LONG) SetWindowLongA (lpipsi->hwndIP[i],GWL_WNDPROC, (LONG)
IPADDRESS_SubclassProc); IPADDRESS_SubclassProc);
SetPropA ((HWND)lpipsi->hwndIP[i], IP_SUBCLASS_PROP, SetPropA ((HWND)lpipsi->hwndIP[i], IP_SUBCLASS_PROP, (HANDLE)lpipsi);
(HANDLE)lpipsi);
} }
lpipsi->infoPtr= infoPtr; lpipsi->infoPtr= infoPtr;
@ -212,7 +201,6 @@ IPADDRESS_Size (HWND hwnd, WPARAM wParam, LPARAM lParam)
static BOOL static BOOL
IPADDRESS_SendNotify (HWND hwnd, UINT command) IPADDRESS_SendNotify (HWND hwnd, UINT command)
{ {
TRACE("%x\n",command); TRACE("%x\n",command);
return (BOOL)SendMessageA (GetParent (hwnd), WM_COMMAND, return (BOOL)SendMessageA (GetParent (hwnd), WM_COMMAND,
@ -238,8 +226,6 @@ IPADDRESS_SendIPAddressNotify (HWND hwnd, UINT field, BYTE newValue)
} }
static LRESULT static LRESULT
IPADDRESS_ClearAddress (HWND hwnd, WPARAM wParam, LPARAM lParam) IPADDRESS_ClearAddress (HWND hwnd, WPARAM wParam, LPARAM lParam)
{ {
@ -262,6 +248,7 @@ IPADDRESS_ClearAddress (HWND hwnd, WPARAM wParam, LPARAM lParam)
return 0; return 0;
} }
static LRESULT static LRESULT
IPADDRESS_IsBlank (HWND hwnd, WPARAM wParam, LPARAM lParam) IPADDRESS_IsBlank (HWND hwnd, WPARAM wParam, LPARAM lParam)
{ {
@ -281,6 +268,7 @@ IPADDRESS_IsBlank (HWND hwnd, WPARAM wParam, LPARAM lParam)
return 1; return 1;
} }
static LRESULT static LRESULT
IPADDRESS_GetAddress (HWND hwnd, WPARAM wParam, LPARAM lParam) IPADDRESS_GetAddress (HWND hwnd, WPARAM wParam, LPARAM lParam)
{ {
@ -332,6 +320,7 @@ IPADDRESS_SetRange (HWND hwnd, WPARAM wParam, LPARAM lParam)
return 1; return 1;
} }
static LRESULT static LRESULT
IPADDRESS_SetAddress (HWND hwnd, WPARAM wParam, LPARAM lParam) IPADDRESS_SetAddress (HWND hwnd, WPARAM wParam, LPARAM lParam)
{ {
@ -364,14 +353,12 @@ IPADDRESS_SetAddress (HWND hwnd, WPARAM wParam, LPARAM lParam)
} }
static LRESULT static LRESULT
IPADDRESS_SetFocusToField (HWND hwnd, WPARAM wParam, LPARAM lParam) IPADDRESS_SetFocusToField (HWND hwnd, WPARAM wParam, LPARAM lParam)
{ {
/* IPADDRESS_INFO *infoPtr = IPADDRESS_GetInfoPtr (hwnd); */ /* IPADDRESS_INFO *infoPtr = IPADDRESS_GetInfoPtr (hwnd); */
LPIP_SUBCLASS_INFO lpipsi=(LPIP_SUBCLASS_INFO) LPIP_SUBCLASS_INFO lpipsi=(LPIP_SUBCLASS_INFO) GetPropA ((HWND)hwnd,
GetPropA ((HWND)hwnd, IP_SUBCLASS_PROP); IP_SUBCLASS_PROP);
INT index; INT index;
index=(INT) wParam; index=(INT) wParam;
@ -397,53 +384,100 @@ IPADDRESS_LButtonDown (HWND hwnd, WPARAM wParam, LPARAM lParam)
} }
static INT
/* tab/shift-tab: IPN_FIELDCHANGED, lose focus. IPADDRESS_CheckField (LPIP_SUBCLASS_INFO lpipsi, int currentfield)
dot, space,right arrow: set focus to next child edit.
numerics (0..9), control characters: forward to default edit control
other characters: dropped
*/
static int
IPADDRESS_GotoNextField (LPIP_SUBCLASS_INFO lpipsi, int currentfield)
{ {
int newField,fieldvalue; int newField,fieldvalue;
char field[20]; char field[20];
IPADDRESS_INFO *infoPtr=lpipsi->infoPtr; IPADDRESS_INFO *infoPtr=lpipsi->infoPtr;
if(currentfield >= 0 && currentfield < 4)
{
TRACE("\n"); TRACE("\n");
GetWindowTextA (lpipsi->hwndIP[currentfield],field,4); GetWindowTextA (lpipsi->hwndIP[currentfield],field,4);
if (field[0]) { if (field[0])
{
field[3]=0; field[3]=0;
newField=-1; newField=-1;
fieldvalue=atoi(field); fieldvalue=atoi(field);
if (fieldvalue < infoPtr->LowerLimit[currentfield]) if (fieldvalue < infoPtr->LowerLimit[currentfield])
newField=infoPtr->LowerLimit[currentfield]; newField=infoPtr->LowerLimit[currentfield];
if (fieldvalue > infoPtr->UpperLimit[currentfield]) if (fieldvalue > infoPtr->UpperLimit[currentfield])
newField=infoPtr->UpperLimit[currentfield]; newField=infoPtr->UpperLimit[currentfield];
if (newField>=0) {
if (newField >= 0)
{
sprintf (field,"%d",newField); sprintf (field,"%d",newField);
SetWindowTextA (lpipsi->hwndIP[currentfield], field); SetWindowTextA (lpipsi->hwndIP[currentfield], field);
return 1; return TRUE;
} }
} }
}
return FALSE;
}
static INT
IPADDRESS_GotoNextField (LPIP_SUBCLASS_INFO lpipsi, int currentfield)
{
if(currentfield >= -1 && currentfield < 4)
{
IPADDRESS_CheckField(lpipsi, currentfield); /* check the fields value */
if(currentfield < 3) if(currentfield < 3)
{
SetFocus (lpipsi->hwndIP[currentfield+1]); SetFocus (lpipsi->hwndIP[currentfield+1]);
return 0; 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 LRESULT CALLBACK
IPADDRESS_SubclassProc (HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam) IPADDRESS_SubclassProc (HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{ {
int i,l,index;
IPADDRESS_INFO *infoPtr; IPADDRESS_INFO *infoPtr;
LPIP_SUBCLASS_INFO lpipsi=(LPIP_SUBCLASS_INFO) LPIP_SUBCLASS_INFO lpipsi = (LPIP_SUBCLASS_INFO) GetPropA
GetPropA ((HWND)hwnd,IP_SUBCLASS_PROP); ((HWND)hwnd,IP_SUBCLASS_PROP);
CHAR c = (CHAR)wParam;
INT i, l, index, startsel, endsel;
infoPtr = lpipsi->infoPtr; infoPtr = lpipsi->infoPtr;
index=0; /* FIXME */ index=0; /* FIXME */
@ -451,51 +485,111 @@ IPADDRESS_SubclassProc (HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
if (lpipsi->hwndIP[i]==hwnd) index=i; if (lpipsi->hwndIP[i]==hwnd) index=i;
switch (uMsg) { switch (uMsg) {
case WM_CHAR: break; case WM_CHAR:
case WM_KEYDOWN: { if(isdigit(c)) /* process all digits */
char c=(char) wParam; {
if (c==VK_TAB) { int return_val;
HWND pwnd; SendMessageA(lpipsi->hwndIP[index], EM_GETSEL, (WPARAM)&startsel, (LPARAM)&endsel);
int shift;
shift = GetKeyState(VK_SHIFT) & 0x8000;
if (shift)
pwnd=GetNextDlgTabItem (GetParent (hwnd), 0, TRUE);
else
pwnd=GetNextDlgTabItem (GetParent (hwnd), 0, FALSE);
if (pwnd) SetFocus (pwnd);
break;
}
if ((c==' ') || (c=='.') || (c==VK_RIGHT)) {
IPADDRESS_GotoNextField (lpipsi,index);
wParam=0;
lParam=0;
break;
}
if (c==VK_LEFT) {
}
if (c==VK_RETURN) {
}
if (((c>='0') && (c<='9')) || (iscntrl(c))) {
l = GetWindowTextLengthA (lpipsi->hwndIP[index]); l = GetWindowTextLengthA (lpipsi->hwndIP[index]);
if (l==3) if(l==2 && startsel==endsel) /* field is full after this key is processed */
if (IPADDRESS_GotoNextField (lpipsi,index)) { {
wParam=0; /* process the digit press before we check the field */
return_val = CallWindowProcA (lpipsi->wpOrigProc[index], hwnd, uMsg, wParam, lParam);
/* if the field value was changed stay at the current field */
if(!IPADDRESS_CheckField(lpipsi, index))
IPADDRESS_GotoNextField (lpipsi,index);
return return_val;
}
if(l > 2) /* field is full, stop key messages */
{
lParam = 0; lParam = 0;
wParam = 0;
} }
break; break;
} }
wParam=0; if(c == '.') /* VK_PERIOD */
lParam=0; {
break; l = GetWindowTextLengthA(lpipsi->hwndIP[index]);
SendMessageA(lpipsi->hwndIP[index], EM_GETSEL, (WPARAM)&startsel, (LPARAM)&endsel);
if(l != 0 && startsel==endsel && startsel != 0)
{
IPADDRESS_GotoNextField(lpipsi, index);
SendMessageA(lpipsi->hwndIP[index+1], EM_SETSEL, (WPARAM)0, (LPARAM)3);
} }
} }
/* stop all other characters */
wParam = 0;
lParam = 0;
break;
case WM_KEYDOWN:
if(c == VK_SPACE)
{
l = GetWindowTextLengthA(lpipsi->hwndIP[index]);
SendMessageA(lpipsi->hwndIP[index], EM_GETSEL, (WPARAM)&startsel, (LPARAM)&endsel);
if(l != 0 && startsel==endsel && startsel != 0)
{
IPADDRESS_GotoNextField(lpipsi, index);
SendMessageA(lpipsi->hwndIP[index+1], EM_SETSEL, (WPARAM)0, (LPARAM)3);
}
}
if(c == VK_RIGHT)
{
SendMessageA(lpipsi->hwndIP[index], EM_GETSEL, (WPARAM)&startsel, (LPARAM)&endsel);
l = GetWindowTextLengthA (lpipsi->hwndIP[index]);
if(startsel==endsel && startsel==l)
{
IPADDRESS_GotoNextField(lpipsi, index);
SendMessageA(lpipsi->hwndIP[index+1], EM_SETSEL, (WPARAM)0,(LPARAM)0);
}
}
if(c == VK_LEFT)
{
SendMessageA(lpipsi->hwndIP[index], EM_GETSEL, (WPARAM)&startsel, (LPARAM)&endsel);
if(startsel==0 && startsel==endsel && index > 0)
{
IPADDRESS_GotoNextField(lpipsi, index - 2);
l = GetWindowTextLengthA(lpipsi->hwndIP[index-1]);
SendMessageA(lpipsi->hwndIP[index-1], EM_SETSEL, (WPARAM)l,(LPARAM)l);
}
}
if(c == VK_BACK) /* VK_BACKSPACE */
{
CHAR buf[4];
SendMessageA(lpipsi->hwndIP[index], EM_GETSEL, (WPARAM)&startsel, (LPARAM)&endsel);
l = GetWindowTextLengthA (lpipsi->hwndIP[index]);
if(startsel==endsel && startsel==0 && index > 0)
{
l = GetWindowTextLengthA(lpipsi->hwndIP[index-1]);
if(l!=0)
{
GetWindowTextA (lpipsi->hwndIP[index-1],buf,4);
buf[l-1] = '\0';
SetWindowTextA(lpipsi->hwndIP[index-1], buf);
SendMessageA(lpipsi->hwndIP[index-1], EM_SETSEL, (WPARAM)l,(LPARAM)l);
}
IPADDRESS_GotoNextField(lpipsi, index - 2);
}
}
break;
default:
break;
}
return CallWindowProcA (lpipsi->wpOrigProc[index], hwnd, uMsg, wParam, lParam); return CallWindowProcA (lpipsi->wpOrigProc[index], hwnd, uMsg, wParam, lParam);
} }
LRESULT WINAPI LRESULT WINAPI
IPADDRESS_WindowProc (HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam) IPADDRESS_WindowProc (HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{ {
@ -553,8 +647,7 @@ IPADDRESS_WindowProc (HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
} }
void void IPADDRESS_Register (void)
IPADDRESS_Register (void)
{ {
WNDCLASSA wndClass; WNDCLASSA wndClass;
@ -572,10 +665,9 @@ IPADDRESS_Register (void)
RegisterClassA (&wndClass); RegisterClassA (&wndClass);
} }
VOID
IPADDRESS_Unregister (void) VOID IPADDRESS_Unregister (void)
{ {
if (GlobalFindAtomA (WC_IPADDRESSA)) if (GlobalFindAtomA (WC_IPADDRESSA))
UnregisterClassA (WC_IPADDRESSA, (HINSTANCE)NULL); UnregisterClassA (WC_IPADDRESSA, (HINSTANCE)NULL);
} }