📄 combobox.c
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if (len <= 0)
return CB_ERR;
selection = (LPSTR)WinMalloc((UINT)len+1);
rc = (int)SendMessage(lp->ListBoxControl, LB_GETTEXT, (WPARAM)index, (LPARAM)selection);
if (lp->EditControl)
rc = (int)SendMessage(lp->EditControl, WM_SETTEXT, 0, (LPARAM)selection);
else CBoxDrawStatic(lp, hWnd, index);
WinFree(selection);
break;
case CB_SETCURSEL:
rc = (int)SendMessage(lp->ListBoxControl, LB_SETCURSEL, wParam, lParam);
if (rc == LB_ERR)
return CB_ERR;
len = (int)SendMessage(lp->ListBoxControl, LB_GETTEXTLEN, wParam, 0);
if (len <= 0)
return CB_ERR;
selection = (LPSTR)WinMalloc((UINT)len+1);
rc = (int)SendMessage(lp->ListBoxControl, LB_GETTEXT, wParam, (LPARAM)selection);
if (lp->EditControl)
rc = (int)SendMessage(lp->EditControl, WM_SETTEXT, 0, (LPARAM)selection);
else CBoxDrawStatic(lp, hWnd, wParam);
WinFree(selection);
return (LRESULT)wParam;
case CB_SETEXTENDEDUI:
lp->bExtended = (BOOL)wParam;
break;
case CB_SETITEMHEIGHT: /* TODO */
break;
case CB_SHOWDROPDOWN:
if ((lp->wStyle & 0xf) == CBS_SIMPLE)
return 1L;
if (wParam)
{
if (IS_SET(lp,CSF_CAPTUREACTIVE))
return 1L;
cp.x = ((lp->wStyle & 0xf) != CBS_DROPDOWNLIST) ? 5 : 0;
cp.y = lp->uHeight -1;
ClientToScreen(hWnd, &cp);
OffsetRect(&lp->ListBoxRect, cp.x - lp->ListBoxRect.left, cp.y - lp->ListBoxRect.top);
SetWindowPos(lp->ListBoxControl, 0,
cp.x, cp.y, 0, 0,
SWP_NOSIZE | SWP_NOZORDER | SWP_NOACTIVATE);
SendMessage(lp->hWndParent,WM_COMMAND, GET_WM_COMMAND_MPS(lp->nID,hWnd,CBN_DROPDOWN));
fprintf(stderr," 1330: SetWindowPos(lp->ListBoxControl, , 0, 0, 0, 0,..)\n");
SetWindowPos(lp->ListBoxControl, HWND_TOP,
0, 0, 0, 0,
SWP_NOMOVE | SWP_NOSIZE | SWP_NOACTIVATE | SWP_SHOWWINDOW);
CBoxCapture(hWnd, 1);
SET_STATE(lp,CSF_CAPTUREACTIVE);
}
else
{
if (!IS_SET(lp,CSF_CAPTUREACTIVE))
return 1L;
SendMessage(lp->hWndParent, WM_COMMAND, GET_WM_COMMAND_MPS(lp->nID,hWnd,CBN_CLOSEUP));
/* test: */
fprintf(stderr," 1343: (hide) SetWindowPos(lp->ListBoxControl, , 0, 0, 0, 0,..)\n");
SetWindowPos(lp->ListBoxControl, 0,
0, 0, 0, 0,
SWP_NOMOVE | SWP_NOSIZE | SWP_NOACTIVATE | SWP_NOZORDER | SWP_HIDEWINDOW);
CBoxCapture(hWnd, 0);
CLEAR_STATE(lp, CSF_CAPTUREACTIVE);
}
return 1L;
/*********************************************/
/* messages handled by the defwindowproc.... */
/*********************************************/
default:
return DefWindowProc( hWnd, uMsg, wParam, lParam);
}
return CB_OKAY;
}
static void
CBoxDrawButton(HWND hWnd,UINT wState,COMBOBOX *lp)
{
HDC hDC;
int x,y;
int dx,dy;
#if 0 /* jmt: fix: no LoadBitmap() */
int cx,cy;
static int nWidth,nHeight;
BITMAP bmpCombo;
static HBITMAP hbmpCombo = 0;
HBITMAP hbmpOld = 0;
HDC hdcSrc;
COLORREF rgbText, rgbBk;
#endif
HBRUSH hBrush;
HPEN hPenHigh,hPenShadow;
RECT rc;
hDC = GetDC(hWnd);
CopyRect(&rc,&lp->ButtonRect);
x = rc.left;
y = rc.top;
dx = rc.right;
dy = rc.bottom;
hPenHigh = GetStockObject(WHITE_PEN);
#if 0
hPenShadow = GetSysColorPen(COLOR_BTNSHADOW);
#else
hPenShadow = CreatePen(PS_SOLID,1,GetSysColor(COLOR_BTNSHADOW));
#endif
#if 0
hBrush = GetSysColorBrush(COLOR_BTNFACE);
#else
hBrush = CreateSolidBrush(GetSysColor(COLOR_BTNFACE));
#endif
FillRect(hDC, &rc, hBrush);
#if 0
hBrush = GetStockObject(BLACK_BRUSH);
FillRect/*FrameRect*/(hDC, &lp->ButtonRect, hBrush);
#else
SelectObject(hDC,GetStockObject(BLACK_PEN));
Rectangle(hDC,lp->ButtonRect.left,lp->ButtonRect.top,lp->ButtonRect.right,lp->ButtonRect.bottom);
#endif
rc.left += 1; rc.right -= 1;
rc.top += 1; rc.bottom -= 1;
Draw3DButtonRect(hDC,hPenHigh,hPenShadow,rc,wState);
#if 0 /* jmt: fix: no LoadBitmap(),GetObject() */
if (hbmpCombo == 0)
{
hbmpCombo = LoadBitmap(0,(LPSTR)OBM_COMBO);
GetObject(hbmpCombo, sizeof(BITMAP), (LPVOID)&bmpCombo);
nWidth = bmpCombo.bmWidth;
nHeight = bmpCombo.bmHeight;
}
/*
** MiD 08/15/95 changed to mono bitmap as it is in Windows. Convert
** it to colors on the fly
*/
hdcSrc = CreateCompatibleDC(hDC);
hbmpOld = SelectObject(hdcSrc, hbmpCombo);
/*
** Source hdc ok. Prepare the target hdc, then BitBlt to it.
*/
rgbText = SetTextColor(hDC,GetSysColor(COLOR_BTNTEXT));
rgbBk = SetBkColor(hDC,GetSysColor(COLOR_BTNFACE));
cx = (dx - x - nWidth)/2;
cy = (dy - y - nHeight)/2;
if (wState)
{ cx++; cy++; }
BitBlt(hDC, x+cx, y+cy, nWidth, nHeight, hdcSrc, 0, 0, SRCCOPY);
SetTextColor(hDC, rgbText);
SetBkColor(hDC, rgbBk);
SelectObject(hdcSrc,hbmpOld);
DeleteDC(hdcSrc);
#endif /* BitBlt Bitmap */
#if 1
DeleteObject(hBrush);
DeleteObject(hPenShadow);
#endif
ReleaseDC(hWnd,hDC);
if (wState)
SET_STATE(lp,CSF_LOCALBUTTONDOWN);
else
CLEAR_STATE(lp,CSF_LOCALBUTTONDOWN);
}
#if 0 /* jmt: fix: no COMBOLBOX */
/************************************************************************
**
************************************************************************/
LRESULT DefCOMBOLBOXProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
#if 0
return DefLISTBOXProc(hWnd, msg, wParam,lParam);
#endif
return ListboxCtrlProc(hWnd, msg, wParam,lParam);
}
#endif
/************************************************************************
**
************************************************************************/
static void CBoxSendMouseToLBox(COMBOBOX *lp, UINT uiMsg, WPARAM wParam, POINT ptScreen)
{
POINT pt;
int nNCHit;
#if 0 /* jmt: fix: no scrollbar */
HWND hWndScroll;
#endif
pt = ptScreen;
ScreenToClient(lp->ListBoxControl,&pt);
nNCHit = LOSHORT(SendMessage(lp->ListBoxControl, WM_NCHITTEST, 0, MAKELPARAM(ptScreen.x,ptScreen.y)));
switch (nNCHit)
{
case HTCLIENT:
if (uiMsg == WM_MOUSEMOVE && !IS_SET(lp,CSF_LBOXBUTTONDOWN))
{
SendMessage(lp->ListBoxControl, WM_LBUTTONDOWN, 0, MAKELONG((WORD)pt.x,(WORD)pt.y));
SET_STATE(lp, CSF_BUTTONDOWN | CSF_LBOXBUTTONDOWN);
}
SendMessage(lp->ListBoxControl, uiMsg, wParam, MAKELONG((WORD)pt.x,(WORD)pt.y));
break;
#if 0 /* jmt: fix: no scrollbar */
case HTVSCROLL:
if (0 != (hWndScroll = TWIN_ConvertToSysScroll(lp->ListBoxControl, TRUE /* vertical */, &pt)))
SendMessage(hWndScroll, uiMsg, wParam, MAKELONG((WORD)pt.x,(WORD)pt.y));
break;
#endif
default:
break;
}
}
/************************************************************************
**
************************************************************************/
static void CBoxCapture(HWND hWnd, WORD wFunc)
{
static HWND hWndCapture = (HWND)0;
if (wFunc)
{
hWndCapture = SetCapture(hWnd);
SetFocus(hWnd);
}
else {
if (!hWndCapture)
ReleaseCapture();
else {
#ifdef LATER
SetCapture(hWndCapture);
#else
ReleaseCapture();
#endif
hWndCapture = (HWND)0;
}
}
}
/************************************************************************
**
************************************************************************/
static void CBoxDrawEdit(COMBOBOX *lp, HWND hWnd, UINT uiKey)
{
int nLen;
LPVOID lpData;
#if 0 /* jmt: fix: no ownerdraw */
HRGN hRgn;
DRAWITEMSTRUCT dis;
#endif
/*
if (uiKey == (UINT)LB_ERR)
return;
if (!BOWNERDRAW(lp))
*/
if (lp->wStyle & CBS_HASSTRINGS)
{
if (uiKey == (UINT)LB_ERR)
return;
nLen = (int)SendMessage(lp->ListBoxControl, LB_GETTEXTLEN, uiKey, 0L);
if (nLen <= 0)
return;
lpData = (LPVOID)WinMalloc(nLen+1);
SendMessage(lp->ListBoxControl, LB_GETTEXT, uiKey, (LPARAM)lpData);
SendMessage(lp->EditControl, WM_SETTEXT, strlen(lpData), (LPARAM)lpData);
Edit_SetSel(lp->EditControl, 0, -1);
WinFree((LPSTR)lpData);
}
#if 0 /* jmt: fix: no ownerdraw */
else {
dis.CtlType = ODT_COMBOBOX;
dis.CtlID = (UINT)lp->nID;
dis.itemID = -1; /* used to be uiKey */
dis.itemAction = ODA_DRAWENTIRE;
dis.itemState = ODS_FOCUS;
dis.hwndItem = hWnd;
dis.itemData = 0;
GetClientRect(lp->EditControl,&dis.rcItem);
dis.rcItem.left += 3;
dis.rcItem.right -= 3;
dis.rcItem.top += 2;
dis.rcItem.bottom -= 2;
dis.hDC = GetDC(lp->EditControl);
hRgn = CreateRectRgnIndirect(&dis.rcItem);
SelectClipRgn(dis.hDC,hRgn);
SelectObject(dis.hDC, lp->hFont);
SendMessage(lp->hWndParent, WM_DRAWITEM, (WPARAM)(UINT)lp->nID, (LPARAM)&dis);
ReleaseDC(lp->EditControl,dis.hDC);
DeleteObject(hRgn);
}
#endif /* ownerdraw */
}
/************************************************************************
**
************************************************************************/
static void CBoxDrawStatic(COMBOBOX *lp, HWND hWnd, UINT uiKey)
{
int nLen;
HDC hdc;
LPVOID lpData;
RECT rcClient;
HFONT hfonOld = 0;
#if 0 /* jmt: fix: no ownerdraw */
HRGN hRgn;
DRAWITEMSTRUCT dis;
#endif
HBRUSH hbrStatic, hbrOld;
/* Draw rectangle regardless of ownerdraw style...
*/
hdc = GetDC(hWnd);
rcClient.left = 0;
rcClient.top = 0;
rcClient.right = lp->ButtonRect.left+1;
rcClient.bottom = lp->uHeight;
hbrStatic = CreateSolidBrush(GetSysColor(COLOR_WINDOW));
hbrOld = SelectObject(hdc, hbrStatic);
SelectObject(hdc, GetStockObject(BLACK_PEN));/* ??? COLOR_WINDOWFRAME */
Rectangle(hdc, rcClient.left, rcClient.top, rcClient.right, rcClient.bottom);
SelectObject(hdc, hbrOld);
DeleteObject(hbrStatic);
ReleaseDC(hWnd, hdc);
if (uiKey == (UINT)LB_ERR)
return;
/* jmt: no ownerdraw */
if (1) /* (!BOWNERDRAW(lp)) */
{
/* if necessary, draw text */
hdc = GetDC(hWnd);
nLen = (int)SendMessage(lp->ListBoxControl, LB_GETTEXTLEN, (WPARAM)uiKey, 0L);
if (nLen > 0)
{
lpData = (LPVOID)WinMalloc(nLen+1);
SendMessage(lp->ListBoxControl, LB_GETTEXT, uiKey, (LPARAM)lpData);
SetBkMode(hdc, TRANSPARENT);
if (!IS_SET(lp, CSF_FOCUS))
{
SetTextColor(hdc, GetSysColor(COLOR_WINDOWTEXT));
rcClient.left += 2;
}
else {
InflateRect(&rcClient, -2, -2);
hbrStatic = CreateSolidBrush(GetSysColor(COLOR_HIGHLIGHT));
hbrOld = SelectObject(hdc, hbrStatic);
FillRect(hdc, &rcClient, hbrStatic);
#if 0 /* jmt: fix: no DrawFocusRect() */
DrawFocusRect(hdc, &rcClient);
#endif
SelectObject(hdc, hbrOld);
DeleteObject(hbrStatic);
SetTextColor(hdc, GetSysColor(COLOR_HIGHLIGHTTEXT));
}
if (lp->hFont)
hfonOld = SelectObject(hdc, lp->hFont);
DrawText(hdc, (LPSTR)lpData, nLen, &rcClient, DT_VCENTER | DT_SINGLELINE | DT_NOPREFIX);
if (lp->hFont)
SelectObject(hdc, hfonOld);
WinFree((LPVOID)lpData);
}
ReleaseDC(hWnd, hdc);
}
#if 0 /* jmt: fix: no ownerdraw */
else { /* fill OWNERDRAWSTRUCT and send WM_DRAWITEM message */
dis.CtlType = ODT_COMBOBOX;
dis.CtlID = (UINT)lp->nID;
dis.itemID = uiKey;
dis.itemAction = ODA_DRAWENTIRE;
dis.itemState = ODS_FOCUS;
dis.hwndItem = hWnd;
dis.itemData = SendMessage(lp->ListBoxControl, LB_GETITEMDATA, uiKey, 0L);
GetClientRect(hWnd, &dis.rcItem);
dis.rcItem.left += 3;
dis.rcItem.right = lp->ButtonRect.left - 2; /* do not touch button */
dis.rcItem.top += 2;
dis.rcItem.bottom -= 2;
dis.hDC = GetDC(hWnd);
hRgn = CreateRectRgnIndirect(&dis.rcItem);
SelectClipRgn(dis.hDC, hRgn);
SelectObject(dis.hDC, lp->hFont);
SendMessage(lp->hWndParent, WM_DRAWITEM, (WPARAM)(UINT)lp->nID, (LPARAM)&dis);
ReleaseDC(hWnd, dis.hDC);
DeleteObject(hRgn);
}
#endif /* ownerdraw */
}
/*------------------------- < Full Revision History > ----------------------
** Revision 1.2 2001/11/06 23:35:46 greg
**
** Revision 1.1.1.1 2001/06/21 06:32:42 greg
** Microwindows pre8 with patches
**
** Revision 1.1.1.1 2001/06/05 03:44:01 root
** First import of 5/5/2001 Microwindows to CVS
**
** Revision 1.8 2000/08/14 jmt
** ported to microwin(non-client/server mode)
**
** Revision 1.7 2000/06/28 jmt
** porting to microwin
**
** Revision 1.6 2000/01/21 02:48:47 robf
** remove dead code
**
** Revision 1.5 1999/11/29 05:07:54 robf
** removed extraneous call CreateCompatibleDC
**
** Revision 1.4 1999/07/08 18:52:50 mwalsh
** Updated Comments
**
**-------------------------------------------------------------------------*/
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