diff options
Diffstat (limited to 'private/windows/gina/policy/poledit/listbox.c')
| -rw-r--r-- | private/windows/gina/policy/poledit/listbox.c | 447 |
1 files changed, 447 insertions, 0 deletions
diff --git a/private/windows/gina/policy/poledit/listbox.c b/private/windows/gina/policy/poledit/listbox.c new file mode 100644 index 000000000..be62a48a7 --- /dev/null +++ b/private/windows/gina/policy/poledit/listbox.c @@ -0,0 +1,447 @@ +//********************************************************************* +//* Microsoft Windows ** +//* Copyright(c) Microsoft Corp., 1994 ** +//********************************************************************* + +#include "admincfg.h" + +typedef struct tagLISTBOXDLGINFO { + HGLOBAL hUser; + SETTINGS * pSettings; + UINT uDataIndex; +} LISTBOXDLGINFO; + +typedef struct tagADDITEMINFO { + BOOL fExplicitValName; + BOOL fValPrefix; + HWND hwndListbox; + TCHAR szValueName[MAX_PATH+1]; // only used if fExplicitValName is ser + TCHAR szValueData[MAX_PATH+1]; +} ADDITEMINFO; + +BOOL CALLBACK ShowListboxDlgProc(HWND hDlg, UINT uMsg, WPARAM wParam, + LPARAM lParam); +BOOL CALLBACK ListboxAddDlgProc(HWND hDlg, UINT uMsg, WPARAM wParam, + LPARAM lParam); +BOOL InitShowlistboxDlg(HWND hDlg,LISTBOXDLGINFO * pListboxDlgInfo); +BOOL ProcessShowlistboxDlg(HWND hDlg); +VOID EnableShowListboxButtons(HWND hDlg); + +UINT uListboxID; + +VOID ShowListbox(HWND hParent,HGLOBAL hUser,SETTINGS * pSettings,UINT uDataIndex) +{ + LISTBOXDLGINFO ListboxDlgInfo; + + ListboxDlgInfo.hUser = hUser; + ListboxDlgInfo.pSettings = pSettings; + ListboxDlgInfo.uDataIndex = uDataIndex; + + DialogBoxParam(ghInst,MAKEINTRESOURCE(DLG_SHOWLISTBOX),hParent, + ShowListboxDlgProc,(LPARAM) &ListboxDlgInfo); +} + +VOID ListboxAdd(HWND hwndListbox, BOOL fExplicitValName,BOOL fValuePrefix) +{ + ADDITEMINFO AddItemInfo; + LV_ITEM lvi; + + memset(&AddItemInfo,0,sizeof(AddItemInfo)); + + AddItemInfo.fExplicitValName = fExplicitValName; + AddItemInfo.fValPrefix = fValuePrefix; + AddItemInfo.hwndListbox = hwndListbox; + + // bring up the appropriate add dialog-- one edit field ("type the thing + // to add") normally, two edit fields ("type the name of the thing, type + // the value of the thing") if the explicit value style is used + if (!DialogBoxParam(ghInst,MAKEINTRESOURCE((fExplicitValName ? DLG_LBADD2 : + DLG_LBADD)),hwndListbox,ListboxAddDlgProc,(LPARAM) &AddItemInfo)) + return; // user cancelled + + // add the item to the listbox + lvi.mask = LVIF_TEXT; + lvi.iItem=lvi.iSubItem=0; + lvi.pszText=(fExplicitValName ? AddItemInfo.szValueName : + AddItemInfo.szValueData); + lvi.cchTextMax = lstrlen(lvi.pszText)+1; + if ((lvi.iItem=ListView_InsertItem(hwndListbox,&lvi))<0) { + // if add fails, display out of memory error + MsgBox(hwndListbox,IDS_ErrOUTOFMEMORY,MB_ICONEXCLAMATION,MB_OK); + return; + } + + if (fExplicitValName) { + lvi.iSubItem=1; + lvi.pszText=AddItemInfo.szValueData; + lvi.cchTextMax = lstrlen(lvi.pszText)+1; + if (ListView_SetItem(hwndListbox,&lvi) < 0) { + MsgBox(hwndListbox,IDS_ErrOUTOFMEMORY,MB_ICONEXCLAMATION,MB_OK); + return; + } + } +} + +VOID ListboxRemove(HWND hDlg,HWND hwndListbox) +{ + int nItem; + + while ( (nItem=ListView_GetNextItem(hwndListbox,-1,LVNI_SELECTED)) + >= 0) { + ListView_DeleteItem(hwndListbox,nItem); + } + + EnableShowListboxButtons(hDlg); +} + +BOOL CALLBACK ShowListboxDlgProc(HWND hDlg, UINT uMsg, WPARAM wParam, + LPARAM lParam) +{ + switch (uMsg) { + + case WM_INITDIALOG: + // store away pointer to ListboxDlgInfo in window data + SetWindowLong(hDlg,DWL_USER,lParam); + if (!InitShowlistboxDlg(hDlg,(LISTBOXDLGINFO *) lParam)) { + MsgBox(hDlg,IDS_ErrOUTOFMEMORY,MB_ICONEXCLAMATION,MB_OK); + EndDialog(hDlg,FALSE); + } + return TRUE; + break; + + case WM_COMMAND: + + switch (wParam) { + + case IDOK: + if (!ProcessShowlistboxDlg(hDlg)) { + MsgBox(hDlg,IDS_ErrOUTOFMEMORY,MB_ICONEXCLAMATION,MB_OK); + return FALSE; + } + EndDialog(hDlg,TRUE); + + break; + + case IDCANCEL: + EndDialog(hDlg,FALSE); + break; + + case IDD_ADD: + { + LISTBOXDLGINFO * pListboxDlgInfo = + (LISTBOXDLGINFO *) GetWindowLong(hDlg,DWL_USER); + ListboxAdd(GetDlgItem(hDlg,uListboxID), (BOOL) + pListboxDlgInfo->pSettings->dwFlags & DF_EXPLICITVALNAME, + (BOOL)( ((LISTBOXINFO *) + GETOBJECTDATAPTR(pListboxDlgInfo->pSettings))-> + uOffsetPrefix)); + } + break; + + case IDD_REMOVE: + ListboxRemove(hDlg,GetDlgItem(hDlg,uListboxID)); + break; + + } + + case WM_NOTIFY: + + if (wParam == uListboxID) + EnableShowListboxButtons(hDlg); + + break; + + break; + } + + return FALSE; +} + +BOOL InitShowlistboxDlg(HWND hDlg,LISTBOXDLGINFO * pListboxDlgInfo) +{ + HGLOBAL hUser = pListboxDlgInfo->hUser; + SETTINGS * pSettings = pListboxDlgInfo->pSettings; + LV_COLUMN lvc; + RECT rcListbox; + UINT uColWidth,uOffsetData; + HWND hwndListbox; + USERDATA * pUserData; + BOOL fSuccess=TRUE; + + // there are 2 listview controls in dialog, 1 with header bar + // and one without; hide the control we aren't going to use + if (pSettings->dwFlags & DF_EXPLICITVALNAME) { + uListboxID = IDD_LISTBOX; + ShowWindow(GetDlgItem(hDlg,IDD_LISTBOX1),SW_HIDE); + } else { + uListboxID = IDD_LISTBOX1; + ShowWindow(GetDlgItem(hDlg,IDD_LISTBOX),SW_HIDE); + } + + hwndListbox = GetDlgItem(hDlg,uListboxID); + + // set the setting title in the dialog + SetDlgItemText(hDlg,IDD_TITLE,GETNAMEPTR(pSettings)); + + GetClientRect(hwndListbox,&rcListbox); + uColWidth = rcListbox.right-rcListbox.left; + + if (pSettings->dwFlags & DF_EXPLICITVALNAME) + uColWidth /= 2; + + if (pSettings->dwFlags & DF_EXPLICITVALNAME) { + // add a 2nd column to the listview control + lvc.mask = LVCF_FMT | LVCF_WIDTH | LVCF_TEXT | LVCF_SUBITEM; + lvc.fmt = LVCFMT_LEFT; + lvc.cx = uColWidth-1; + lvc.pszText = LoadSz(IDS_VALUENAME,szSmallBuf,ARRAYSIZE(szSmallBuf)); + lvc.cchTextMax = lstrlen(lvc.pszText)+1; + lvc.iSubItem = 0; + ListView_InsertColumn(hwndListbox,0,&lvc); + + } + + // add a column to the listview control + lvc.mask = LVCF_FMT | LVCF_WIDTH | LVCF_TEXT | LVCF_SUBITEM; + lvc.fmt = LVCFMT_LEFT; + lvc.cx = uColWidth; + lvc.pszText = LoadSz(IDS_VALUE,szSmallBuf,ARRAYSIZE(szSmallBuf)); + lvc.cchTextMax = lstrlen(lvc.pszText)+1; + lvc.iSubItem = (pSettings->dwFlags & DF_EXPLICITVALNAME ? 1 : 0); + ListView_InsertColumn(hwndListbox,lvc.iSubItem,&lvc); + + // BUGBUG remove these once DIALOGEX works + SetWindowLong(hwndListbox,GWL_EXSTYLE,WS_EX_CLIENTEDGE); + + // BUGBUG remove once WS_EX_CLIENTEDGE draws properly + SetScrollRange(hwndListbox,SB_VERT,0,100,TRUE); + SetScrollRange(hwndListbox,SB_VERT,0,0,TRUE); + + EnableShowListboxButtons(hDlg); + + // insert the items from user's data buffer into the listbox + if (!(pUserData = (USERDATA *) GlobalLock(hUser))) + return FALSE; + + uOffsetData=pUserData->SettingData[pListboxDlgInfo->uDataIndex].uOffsetData; + if (uOffsetData) { + TCHAR * pszData =((STRDATA *)((LPBYTE) pUserData + uOffsetData))->szData; + + while (*pszData && fSuccess) { + LV_ITEM lvi; + + lvi.pszText=pszData; + lvi.mask = LVIF_TEXT; + lvi.iItem=-1; + lvi.iSubItem=0; + lvi.cchTextMax = lstrlen(pszData)+1; + + // if explicit valuename flag set, entries are stored + // <value name>\0<value>\0....<value name>\0<value>\0\0 + // otherwise, entries are stored + // <value>\0<value>\0....<value>\0 + + if (pSettings->dwFlags & DF_EXPLICITVALNAME) { + fSuccess=((lvi.iItem=ListView_InsertItem(hwndListbox,&lvi)) >= 0); + + pszData += lstrlen(pszData) +1; + + if (fSuccess && *pszData) { + lvi.iSubItem=1; + lvi.pszText=pszData; + lvi.cchTextMax = lstrlen(pszData)+1; + fSuccess=(ListView_SetItem(hwndListbox,&lvi) >= 0); + pszData += lstrlen(pszData) +1; + } + } else { + fSuccess=((lvi.iItem=ListView_InsertItem(hwndListbox,&lvi)) >= 0); + pszData += lstrlen(pszData) +1; + } + } + } + + GlobalUnlock(hUser); + + return fSuccess; +} + +BOOL ProcessShowlistboxDlg(HWND hDlg) +{ + LISTBOXDLGINFO * pListboxDlgInfo = (LISTBOXDLGINFO *) + GetWindowLong(hDlg,DWL_USER); // get pointer to struct from window data + DWORD dwAlloc=1024,dwUsed=0; + HGLOBAL hBuf; + TCHAR * pBuf; + HWND hwndListbox = GetDlgItem(hDlg,uListboxID); + LV_ITEM lvi; + UINT nLen; + int nCount; + BOOL fSuccess; + TCHAR pszText[MAX_PATH+1]; + + // allocate a temp buffer to read entries into + if (!(hBuf = GlobalAlloc(GHND,dwAlloc * sizeof(TCHAR))) || + !(pBuf = (TCHAR *) GlobalLock(hBuf))) { + if (hBuf) + GlobalFree(hBuf); + return FALSE; + } + + lvi.mask = LVIF_TEXT; + lvi.iItem=0; + lvi.pszText = pszText; + lvi.cchTextMax = ARRAYSIZE(pszText); + nCount = ListView_GetItemCount(hwndListbox); + + // retrieve the items out of listbox, pack into temp buffer + for (;lvi.iItem<nCount;lvi.iItem ++) { + lvi.iSubItem = 0; + if (ListView_GetItem(hwndListbox,&lvi)) { + nLen = lstrlen(lvi.pszText) + 1; + if (!(pBuf=ResizeBuffer(pBuf,hBuf,dwUsed+nLen+4,&dwAlloc))) + return ERROR_NOT_ENOUGH_MEMORY; + lstrcpy(pBuf+dwUsed,lvi.pszText); + dwUsed += nLen; + } + + if (pListboxDlgInfo->pSettings->dwFlags & DF_EXPLICITVALNAME) { + lvi.iSubItem = 1; + if (ListView_GetItem(hwndListbox,&lvi)) { + nLen = lstrlen(lvi.pszText) + 1; + if (!(pBuf=ResizeBuffer(pBuf,hBuf,dwUsed+nLen+4,&dwAlloc))) + return ERROR_NOT_ENOUGH_MEMORY; + lstrcpy(pBuf+dwUsed,lvi.pszText); + dwUsed += nLen; + } + } + } + // doubly null-terminate the buffer... safe to do this because we + // tacked on the extra "+4" in the ResizeBuffer calls above + *(pBuf+dwUsed) = TEXT('\0'); + dwUsed ++; + + fSuccess=SetVariableLengthData(pListboxDlgInfo->hUser, + pListboxDlgInfo->uDataIndex,pBuf,dwUsed); + + GlobalUnlock(hBuf); + GlobalFree(hBuf); + + return fSuccess; +} + +VOID EnableShowListboxButtons(HWND hDlg) +{ + BOOL fEnable; + + // enable Remove button if there are any items selected + fEnable = (ListView_GetNextItem(GetDlgItem(hDlg,uListboxID), + -1,LVNI_SELECTED) >= 0); + + EnableDlgItem(hDlg,IDD_REMOVE,fEnable); +} + +BOOL CALLBACK ListboxAddDlgProc(HWND hDlg, UINT uMsg, WPARAM wParam, + LPARAM lParam) +{ + switch (uMsg) { + + case WM_INITDIALOG: + // store away pointer to additeminfo in window data + SetWindowLong(hDlg,DWL_USER,lParam); + SendDlgItemMessage(hDlg,IDD_VALUENAME,EM_LIMITTEXT,MAX_PATH,0L); + SendDlgItemMessage(hDlg,IDD_VALUEDATA,EM_LIMITTEXT,MAX_PATH,0L); + break; + + case WM_COMMAND: + + switch (wParam) { + + case IDOK: + { + ADDITEMINFO * pAddItemInfo = (ADDITEMINFO *) + GetWindowLong(hDlg,DWL_USER); + + GetDlgItemText(hDlg,IDD_VALUENAME, + pAddItemInfo->szValueName, + ARRAYSIZE(pAddItemInfo->szValueName)); + + GetDlgItemText(hDlg,IDD_VALUEDATA, + pAddItemInfo->szValueData, + ARRAYSIZE(pAddItemInfo->szValueData)); + + // if explicit value names used, value name must + // not be empty, and it must be unique + if (pAddItemInfo->fExplicitValName) { + LV_FINDINFO lvfi; + int iSel; + + if (!lstrlen(pAddItemInfo->szValueName)) { + // can't be empty + MsgBox(hDlg,IDS_EMPTYVALUENAME, + MB_ICONINFORMATION,MB_OK); + SetFocus(GetDlgItem(hDlg,IDD_VALUENAME)); + return FALSE; + } + + lvfi.flags = LVFI_STRING | LVFI_NOCASE; + lvfi.psz = pAddItemInfo->szValueName; + + iSel=ListView_FindItem(pAddItemInfo->hwndListbox, + -1,&lvfi); + + if (iSel >= 0) { + // value name already used + MsgBox(hDlg,IDS_VALUENAMENOTUNIQUE, + MB_ICONINFORMATION,MB_OK); + SetFocus(GetDlgItem(hDlg,IDD_VALUENAME)); + SendDlgItemMessage(hDlg,IDD_VALUENAME, + EM_SETSEL,0,-1); + return FALSE; + } + } else if (!pAddItemInfo->fValPrefix) { + // if value name == value data, then value data + // must be unique + + LV_FINDINFO lvfi; + int iSel; + + if (!lstrlen(pAddItemInfo->szValueName)) { + // can't be empty + MsgBox(hDlg,IDS_EMPTYVALUEDATA, + MB_ICONINFORMATION,MB_OK); + SetFocus(GetDlgItem(hDlg,IDD_VALUEDATA)); + return FALSE; + } + + lvfi.flags = LVFI_STRING | LVFI_NOCASE; + lvfi.psz = pAddItemInfo->szValueData; + + iSel=ListView_FindItem(pAddItemInfo->hwndListbox, + -1,&lvfi); + + if (iSel >= 0) { + // value name already used + MsgBox(hDlg,IDS_VALUEDATANOTUNIQUE, + MB_ICONINFORMATION,MB_OK); + SetFocus(GetDlgItem(hDlg,IDD_VALUEDATA)); + SendDlgItemMessage(hDlg,IDD_VALUEDATA, + EM_SETSEL,0,-1); + return FALSE; + } + + } + EndDialog(hDlg,TRUE); + } + + break; + + case IDCANCEL: + EndDialog(hDlg,FALSE); + break; + } + + break; + } + + return FALSE; +} |