/*!
ホウィール回転が自分の上で発生したか
@param[in] hWnd 親ウインドウハンドル
@param[in] hChdWnd マウスカーソルの↓にあった子ウインドウ
@param[in] zDelta 回転量・正なら上方向、腐なら下方向へのスクロールと見なす
@return 非０自分だった ０関係ないね
*/
UINT AaItemsIsUnderCursor( HWND hWnd, HWND hChdWnd, INT zDelta )
{
UINT dCode;
if( ghItemsWnd != hChdWnd ) return 0;
if( 0 < zDelta ) dCode = SB_LINEUP;
else if( 0 > zDelta ) dCode = SB_LINEDOWN;
else dCode = SB_ENDSCROLL;
FORWARD_WM_VSCROLL( hWnd, ghScrollWnd, dCode, 0, PostMessage );
return 1;
}
// UpDownWndProc:
//
LRESULT CALLBACK UpDownWndProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
RECT rc;
int i;
PUDSTATE np = (PUDSTATE)GetWindowInt(hwnd, 0);
if (np) {
if ((uMsg >= WM_MOUSEFIRST) && (uMsg <= WM_MOUSELAST) &&
(np->ci.style & UDS_HOTTRACK) && !np->fTrackSet) {
TRACKMOUSEEVENT tme;
np->fTrackSet = TRUE;
tme.cbSize = sizeof(tme);
tme.hwndTrack = np->ci.hwnd;
tme.dwFlags = TME_LEAVE;
TrackMouseEvent(&tme);
}
}
switch (uMsg)
{
case WM_MOUSEMOVE:
UD_OnMouseMove(np, lParam);
break;
case WM_MOUSELEAVE:
np->fTrackSet = FALSE;
UD_Invalidate(np, np->uHot, FALSE);
np->uHot = UD_HITNOWHERE;
break;
case WM_LBUTTONDOWN:
{
// Don't set a timer if on the middle border
BOOL bTimeIt = TRUE;
if (np->hwndBuddy && !IsWindowEnabled(np->hwndBuddy))
break;
SetCapture(hwnd);
getint(np);
switch (np->uClass)
{
case CLASS_EDIT:
case CLASS_LISTBOX:
SetFocus(np->hwndBuddy);
break;
}
switch(UD_HitTest(np, GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam))) {
case UD_HITDOWN:
np->bDown = TRUE;
squish(np, FALSE, TRUE);
break;
case UD_HITUP:
np->bDown = FALSE;
squish(np, TRUE, FALSE);
break;
case UD_HITNOWHERE:
bTimeIt = FALSE;
break;
}
if (bTimeIt)
{
SetTimer(hwnd, 1, GetProfileInt(TEXT("windows"), TEXT("CursorBlinkRate"), 530), NULL);
bump(np);
}
break;
}
case WM_TIMER:
{
POINT pt;
if (GetCapture() != hwnd)
{
goto EndScroll;
}
SetTimer(hwnd, 1, 100, NULL);
GetWindowRect(hwnd, &rc);
if (np->ci.style & UDS_HORZ) {
i = (rc.left + rc.right) / 2;
if (np->bDown)
{
rc.right = i;
}
else
{
rc.left = i;
}
} else {
i = (rc.top + rc.bottom) / 2;
if (np->bDown)
{
rc.top = i;
}
else
{
rc.bottom = i;
}
}
InflateRect(&rc, (g_cxFrame+1)/2, (g_cyFrame+1)/2);
GetCursorPos(&pt);
if (PtInRect(&rc, pt))
{
squish(np, !np->bDown, np->bDown);
bump(np);
}
else
{
squish(np, FALSE, FALSE);
}
break;
}
case WM_LBUTTONUP:
if (np->hwndBuddy && !IsWindowEnabled(np->hwndBuddy))
break;
if (GetCapture() == hwnd)
{
EndScroll:
squish(np, FALSE, FALSE);
ReleaseCapture();
KillTimer(hwnd, 1);
if (np->uClass == CLASS_EDIT)
Edit_SetSel(np->hwndBuddy, 0, -1);
if (np->ci.style & UDS_HORZ)
FORWARD_WM_HSCROLL(np->ci.hwndParent, np->ci.hwnd,
SB_ENDSCROLL, np->nPos, SendMessage);
else
FORWARD_WM_VSCROLL(np->ci.hwndParent, np->ci.hwnd,
SB_ENDSCROLL, np->nPos, SendMessage);
}
break;
case WM_ENABLE:
InvalidateRect(hwnd, NULL, TRUE);
break;
case WM_WININICHANGE:
if (np && (!wParam ||
(wParam == SPI_SETNONCLIENTMETRICS) ||
(wParam == SPI_SETICONTITLELOGFONT))) {
InitGlobalMetrics(wParam);
unachor(np);
anchor(np);
}
break;
case WM_PRINTCLIENT:
case WM_PAINT:
PaintUpDownControl(np, (HDC)wParam);
break;
case UDM_SETRANGE:
np->nUpper = GET_X_LPARAM(lParam);
np->nLower = GET_Y_LPARAM(lParam);
nudge(np);
break;
case UDM_GETRANGE:
return MAKELONG(np->nUpper, np->nLower);
case UDM_SETBASE:
// wParam: new base
// lParam: not used
// return: 0 if invalid base is specified,
// previous base otherwise
return (LRESULT)setbase(np, (UINT)wParam);
case UDM_GETBASE:
return np->nBase;
case UDM_SETPOS:
{
int iNewPos = GET_X_LPARAM(lParam);
if (compare(np, np->nLower, np->nUpper, DONTCARE) < 0) {
if (compare(np, iNewPos, np->nUpper, DONTCARE) > 0) {
iNewPos = np->nUpper;
}
if (compare(np, iNewPos, np->nLower, DONTCARE) < 0) {
iNewPos = np->nLower;
}
} else {
if (compare(np, iNewPos, np->nUpper, DONTCARE) < 0) {
iNewPos = np->nUpper;
}
if (compare(np, iNewPos, np->nLower, DONTCARE) > 0) {
iNewPos = np->nLower;
}
}
i = np->nPos;
np->nPos = iNewPos;
setint(np);
#ifdef ACTIVE_ACCESSIBILITY
MyNotifyWinEvent(EVENT_OBJECT_VALUECHANGE, np->ci.hwnd, OBJID_CLIENT, 0);
#endif
return (LRESULT)i;
}
case UDM_GETPOS:
return getint(np);
case UDM_SETBUDDY:
return setbuddy(np, (HWND)wParam);
case UDM_GETBUDDY:
return (LRESULT)(int)np->hwndBuddy;
case UDM_SETACCEL:
if (wParam == 0)
return(FALSE);
if (wParam >= NUM_UDACCELS)
{
HANDLE npPrev = (HANDLE)np;
np = (PUDSTATE)LocalReAlloc((HLOCAL)np, sizeof(UDSTATE)+(wParam-NUM_UDACCELS)*sizeof(UDACCEL),
LMEM_MOVEABLE);
if (!np)
{
return(FALSE);
}
else
{
SetWindowInt(hwnd, 0, (int)np);
if ((np->ci.style & UDS_ARROWKEYS) && np->hwndBuddy)
{
SetWindowSubclass(np->hwndBuddy, ArrowKeyProc, 0,
(DWORD)np);
}
}
}
np->nAccel = wParam;
for (i=0; i<(int)wParam; ++i)
{
np->udAccel[i] = ((LPUDACCEL)lParam)[i];
}
return(TRUE);
case UDM_GETACCEL:
if (wParam > np->nAccel)
{
wParam = np->nAccel;
}
for (i=0; i<(int)wParam; ++i)
{
((LPUDACCEL)lParam)[i] = np->udAccel[i];
}
return(np->nAccel);
case WM_NOTIFYFORMAT:
return CIHandleNotifyFormat(&np->ci, lParam);
case WM_CREATE:
// Allocate the instance data space.
np = (PUDSTATE)LocalAlloc(LPTR, sizeof(UDSTATE));
if (!np)
return -1;
SetWindowInt(hwnd, 0, (int)np);
#define lpCreate ((CREATESTRUCT FAR *)lParam)
CIInitialize(&np->ci, hwnd, lpCreate);
// np->fUp =
// np->fDown =
// np->fUnsigned =
// np->fSharedBorder =
// np->fSunkenBorder =
// FALSE;
if (lpCreate->dwExStyle & WS_EX_CLIENTEDGE)
np->fSunkenBorder = TRUE;
np->nBase = BASE_DECIMAL;
np->nUpper = 0;
np->nLower = 100;
np->nPos = 0;
np->hwndBuddy = NULL;
np->uClass = CLASS_UNKNOWN;
np->nAccel = NUM_UDACCELS;
np->udAccel[0].nSec = 0;
np->udAccel[0].nInc = 1;
np->udAccel[1].nSec = 2;
np->udAccel[1].nInc = 5;
np->udAccel[2].nSec = 5;
np->udAccel[2].nInc = 20;
/* This does the pickbuddy and anchor
*/
setbuddy(np, NULL);
setint(np);
break;
case WM_DESTROY:
if (np) {
if (np->hwndBuddy)
{
// Make sure that our buddy is unsubclassed.
DebugMsg(DM_ERROR, TEXT("UpDown Destroyed while buddy subclassed"));
np->fUpDownDestroyed = TRUE;
}
else
LocalFree((HLOCAL)np);
SetWindowInt(hwnd, 0, 0);
}
break;
default:
return DefWindowProc(hwnd, uMsg, wParam, lParam);
}
return 0L;
}
// Use this to click the pos up or down by one.
//
void NEAR PASCAL bump(PUDSTATE np)
{
BOOL bChanged = FALSE;
UINT uElapsed, increment;
int direction, i;
/* So I'm not really getting seconds here; it's close enough, and
* dividing by 1024 keeps __aFuldiv from being needed.
*/
uElapsed = (UINT)((GetTickCount() - np->dwStart) / 1024);
increment = np->udAccel[0].nInc;
for (i=np->nAccel-1; i>=0; --i)
{
if (np->udAccel[i].nSec <= uElapsed)
{
increment = np->udAccel[i].nInc;
break;
}
}
if (increment == 0)
{
DebugMsg(DM_ERROR, TEXT("bad accelerator value"));
return;
}
direction = compare(np,np->nUpper,np->nLower, DONTCARE) < 0 ? -1 : 1;
if (np->fUp)
{
bChanged = TRUE;
}
if (np->fDown)
{
direction = -direction;
bChanged = TRUE;
}
if (bChanged)
{
/* Make sure we have a multiple of the increment
* Note that we should loop only when the increment changes
*/
NM_UPDOWN nm;
nm.iPos = np->nPos;
nm.iDelta = increment*direction;
if (SendNotifyEx(np->ci.hwndParent, np->ci.hwnd, UDN_DELTAPOS, &nm.hdr, FALSE))
return;
np->nPos += nm.iDelta;
for ( ; ; )
{
if (!((int)np->nPos % (int)increment))
{
break;
}
np->nPos += direction;
}
nudge(np);
setint(np);
if (np->ci.style & UDS_HORZ)
FORWARD_WM_HSCROLL(np->ci.hwndParent, np->ci.hwnd, SB_THUMBPOSITION, np->nPos, SendMessage);
else
FORWARD_WM_VSCROLL(np->ci.hwndParent, np->ci.hwnd, SB_THUMBPOSITION, np->nPos, SendMessage);
#ifdef ACTIVE_ACCESSIBILITY
MyNotifyWinEvent(EVENT_OBJECT_VALUECHANGE, np->ci.hwnd, OBJID_CLIENT, 0);
#endif
}
}