Leaked source code of windows server 2003
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/*******************************************************************************
*
* (C) COPYRIGHT MICROSOFT CORP., 1996
*
* TITLE: GETSET.C
*
* VERSION: 2.0
*
* AUTHOR: ReedB
*
* DATE: 17 Oct, 1996
*
* DESCRIPTION:
* Power management UI. Control panel applet. Support for set/get to/from
* dialog controls.
*
*******************************************************************************/
#include <nt.h>
#include <ntrtl.h>
#include <nturtl.h>
#include <windows.h>
#include <commctrl.h>
#include <strsafe.h>
#include "powercfg.h"
// Private functions implemented in GETSET.C
LPTSTR IDtoStr(UINT, PUINT);
VOID DoSetSlider(HWND, UINT, DWORD, DWORD);
VOID DoSetText(HWND, UINT, LPTSTR, DWORD);
BOOLEAN DoComboSet(HWND, UINT, PUINT, UINT);
BOOLEAN DoComboGet(HWND, UINT, PUINT, PUINT);
BOOLEAN DoGetCheckBox(HWND, UINT, PUINT, LPDWORD);
BOOLEAN DoGetCheckBoxEnable(HWND, UINT, PUINT, LPDWORD, LPDWORD);
BOOLEAN ValidateCopyData(LPDWORD, LPDWORD, DWORD);
/*******************************************************************************
*
* G L O B A L D A T A
*
*******************************************************************************/
/*******************************************************************************
*
* P U B L I C E N T R Y P O I N T S
*
*******************************************************************************/
/*******************************************************************************
*
* DisableControls
*
* DESCRIPTION:
* Disable all specified controls. Only modify those which are visable.
*
* PARAMETERS:
*
*******************************************************************************/
VOID DisableControls(
HWND hWnd,
UINT uiNumControls,
POWER_CONTROLS pc[]
)
{
UINT i;
HWND hWndControl;
for (i = 0; i < uiNumControls; i++) {
switch (pc[i].uiType) {
case CHECK_BOX:
case CHECK_BOX_ENABLE:
case SLIDER:
case EDIT_UINT:
case EDIT_TEXT:
case EDIT_TEXT_RO:
case PUSHBUTTON:
case STATIC_TEXT:
case COMBO_BOX:
if (hWndControl = GetDlgItem(hWnd, pc[i].uiID)) {
if (GetWindowLong(hWndControl, GWL_STYLE) & WS_VISIBLE) {
EnableWindow(hWndControl, FALSE);
// Force state to disable.
if (pc[i].lpdwState) {
*pc[i].lpdwState = CONTROL_DISABLE;
}
}
}
else {
MYDBGPRINT(( "DisableControls, GetDlgItem failed, hWnd: 0x%X, ID: 0x%X, Index: %d", hWnd, pc[i].uiID, i));
}
break;
default:
MYDBGPRINT(( "DisableControls, unknown control type"));
} // switch (ppc[i].uType)
}
}
/*******************************************************************************
*
* HideControls
*
* DESCRIPTION:
* Hide all specified controls. Used to handle error cases.
*
* PARAMETERS:
*
*******************************************************************************/
VOID HideControls(
HWND hWnd,
UINT uiNumControls,
POWER_CONTROLS pc[]
)
{
UINT i;
HWND hWndControl;
for (i = 0; i < uiNumControls; i++) {
switch (pc[i].uiType) {
case CHECK_BOX:
case CHECK_BOX_ENABLE:
case SLIDER:
case EDIT_UINT:
case EDIT_TEXT:
case EDIT_TEXT_RO:
case PUSHBUTTON:
case STATIC_TEXT:
case COMBO_BOX:
// Force state to hide.
if (pc[i].lpdwState) {
*pc[i].lpdwState = CONTROL_HIDE;
}
if (hWndControl = GetDlgItem(hWnd, pc[i].uiID)) {
ShowWindow(hWndControl, SW_HIDE);
}
else {
MYDBGPRINT(( "HideControls, GetDlgItem failed, hWnd: 0x%X, ID: 0x%X, Index: %d", hWnd, pc[i].uiID, i));
}
break;
default:
MYDBGPRINT(( "HideControls, unknown control type"));
} // switch (ppc[i].uType)
}
}
/*******************************************************************************
*
* SetControls
*
* DESCRIPTION:
* Set dialogbox controls using control description array. Walks an array of
* POWER_CONTROLS dialog controls specifiers and sets the state of the controls
* (specified by the uiID member) to match the data value pointed to by
* the lpdwParam member. This function is typically called during
* WM_INITDIALOG or after a data value has changed and the UI needs to be
* updated. The optional lpdwState member points to a state variable which
* controls the visible/hidden status of the control.
*
* PARAMETERS:
* hWnd - Dialog window handle.
* uiNumControls - Number of controls to set.
* pc[] - Aarray of POWER_CONTROLS dialog controls specifiers.
*
*******************************************************************************/
BOOL SetControls(
HWND hWnd,
UINT uiNumControls,
POWER_CONTROLS pc[]
)
{
UINT i, uiMaxMin, uiData, uiMsg;
PUINT pui;
LPTSTR lpsz;
UINT uiIndex;
HWND hWndControl;
for (i = 0; i < uiNumControls; i++) {
// Validate/Copy input data.
switch (pc[i].uiType) {
case CHECK_BOX:
case CHECK_BOX_ENABLE:
case SLIDER:
case EDIT_UINT:
if (!pc[i].lpvData) {
MYDBGPRINT(( "SetControls, NULL lpvData, index: %d", i));
return FALSE;
}
if (!ValidateCopyData(&uiData, pc[i].lpvData, pc[i].dwSize)) {
MYDBGPRINT(( "SetControls, validate/copy failed, index: %d", i));
return FALSE;
}
break;
case EDIT_TEXT:
case EDIT_TEXT_RO:
if (!pc[i].lpvData) {
MYDBGPRINT(( "SetControls, edit text, NULL lpvData, index: %d", i));
return FALSE;
}
break;
case COMBO_BOX:
if (!pc[i].lpvData) {
MYDBGPRINT(( "SetControls, combo box, NULL lpvData, index: %d", i));
return FALSE;
}
if (!pc[i].lpdwParam) {
MYDBGPRINT(( "SetControls, combo box, NULL lpdwParam, index: %d", i));
return FALSE;
}
if (!ValidateCopyData(&uiData, pc[i].lpdwParam, pc[i].dwSize)) {
MYDBGPRINT(( "SetControls, combo box, validate/copy failed, index: %d", i));
return FALSE;
}
break;
}
switch (pc[i].uiType) {
case CHECK_BOX:
// lpdwParam points to an optional flag mask.
if (pc[i].lpdwParam) {
uiData &= *pc[i].lpdwParam;
}
CheckDlgButton(hWnd, pc[i].uiID, uiData);
break;
case CHECK_BOX_ENABLE:
// lpdwParam points to an optional flag mask.
if (pc[i].lpdwParam) {
uiData &= *pc[i].lpdwParam;
}
if (pc[i].lpdwState) {
if (uiData) {
*pc[i].lpdwState |= CONTROL_ENABLE;
}
else {
*pc[i].lpdwState &= ~CONTROL_ENABLE;
}
}
CheckDlgButton(hWnd, pc[i].uiID, uiData);
break;
case SLIDER:
// lpdwParam points to scale MaxMin initialization.
if (!pc[i].lpdwParam) {
MYDBGPRINT(( "SetControls, NULL slider scale pointer, index: %d", i));
return FALSE;
}
DoSetSlider(hWnd, pc[i].uiID, uiData, *pc[i].lpdwParam);
break;
case EDIT_UINT:
if (pc[i].lpdwParam) {
PSPIN_DATA psd = (PSPIN_DATA)pc[i].lpdwParam;
SendDlgItemMessage(hWnd, psd->uiSpinId, UDM_SETRANGE, 0,
(LPARAM) *(psd->puiRange));
}
SetDlgItemInt(hWnd, pc[i].uiID, uiData, FALSE);
break;
case EDIT_TEXT:
case EDIT_TEXT_RO:
DoSetText(hWnd, pc[i].uiID, pc[i].lpvData, pc[i].dwSize);
break;
case COMBO_BOX:
if (!DoComboSet(hWnd, pc[i].uiID, pc[i].lpvData, uiData)) {
MYDBGPRINT(( "SetControls, DoComboSet failed, control: %d", i));
}
break;
case PUSHBUTTON:
case STATIC_TEXT:
// Just set visable/enable for this one.
break;
default:
MYDBGPRINT(( "SetControls, unknown control type"));
return FALSE;
} // switch (ppc[i].uType)
// Control type CHECK_BOX_ENABLE is always visible and enabled.
if ((pc[i].uiType != CHECK_BOX_ENABLE) && pc[i].lpdwState) {
if (hWndControl = GetDlgItem(hWnd, pc[i].uiID)) {
ShowWindow(hWndControl, (*pc[i].lpdwState & CONTROL_HIDE) ? SW_HIDE:SW_SHOW);
EnableWindow(hWndControl, (*pc[i].lpdwState & CONTROL_ENABLE) ? TRUE:FALSE);
}
else {
MYDBGPRINT(( "SetControls, GetDlgItem failed, hWnd: 0x%X, ID: 0x%X, Index: %d", hWnd, pc[i].uiID, i));
}
}
}
return TRUE;
}
/*******************************************************************************
*
* GetControls
*
* DESCRIPTION:
* Get dialogbox controls values using control description array. Walks an
* array of POWER_CONTROLS dialog controls specifiers and gets the state of the
* controls (specified by the uiID member). The control states are placed in
* the data values pointed to by the lpdwParam members of the description array.
* This function is typically called during WM_COMMAND processing when the
* state of a control has changed and the cooresponding data value needs to be
* updated. The optional lpdwState member points to a state variable which
* controls the visible/hidden status of the control. These state values will
* be updated by CHECK_BOX_ENABLE controls.
*
* PARAMETERS:
* hWnd - Dialog window handle.
* uiNumControls - Number of controls to set.
* pc[] - Aarray of POWER_CONTROLS dialog controls specifiers.
*
*******************************************************************************/
BOOL GetControls(
HWND hWnd,
UINT uiNumControls,
POWER_CONTROLS pc[]
)
{
UINT i, uiIndex, uiDataOut, uiMsg, uiDataIn = 0;
BOOL bSuccess;
for (i = 0; i < uiNumControls; i++) {
// Validate output data pointers.
switch (pc[i].uiType) {
case CHECK_BOX:
case CHECK_BOX_ENABLE:
case SLIDER:
case EDIT_UINT:
if (!pc[i].lpvData) {
MYDBGPRINT(( "GetControls, NULL lpvData, index: %d", i));
return FALSE;
}
if (!ValidateCopyData(&uiDataIn, pc[i].lpvData, pc[i].dwSize)) {
MYDBGPRINT(( "GetControls, validate/copy input data failed, index: %d", i));
return FALSE;
}
uiDataOut = uiDataIn;
break;
case COMBO_BOX:
if (!pc[i].lpvData) {
MYDBGPRINT(( "GetControls, combo box, NULL lpvData, index: %d", i));
return FALSE;
}
if (!pc[i].lpdwParam) {
MYDBGPRINT(( "SetControls, COMBO_BOX, NULL lpdwParam, index: %d", i));
return FALSE;
}
if (!ValidateCopyData(&uiDataIn, pc[i].lpdwParam, pc[i].dwSize)) {
MYDBGPRINT(( "GetControls, combo box, validate/copy input data failed, index: %d", i));
return FALSE;
}
uiDataOut = uiDataIn;
break;
case EDIT_TEXT:
if (!pc[i].lpvData) {
MYDBGPRINT(( "GetControls, edit text, NULL lpvData, index: %d", i));
return FALSE;
}
break;
}
switch (pc[i].uiType) {
case CHECK_BOX:
// lpdwParam points to a flag mask.
DoGetCheckBox(hWnd, pc[i].uiID, &uiDataOut, pc[i].lpdwParam);
break;
case CHECK_BOX_ENABLE:
// lpdwParam points to a flag mask.
DoGetCheckBoxEnable(hWnd, pc[i].uiID, &uiDataOut,
pc[i].lpdwParam, pc[i].lpdwState);
break;
case EDIT_UINT:
uiDataOut = GetDlgItemInt(hWnd, pc[i].uiID, &bSuccess, FALSE);
if (!bSuccess) {
MYDBGPRINT(( "GetControls, GetDlgItemInt failed, index: %d", i));
return FALSE;
}
break;
case EDIT_TEXT:
GetDlgItemText(hWnd, pc[i].uiID, pc[i].lpvData,
(pc[i].dwSize / sizeof(TCHAR)) - 1);
break;
case SLIDER:
uiDataOut = (UINT) SendDlgItemMessage(hWnd, pc[i].uiID, TBM_GETPOS, 0, 0);
break;
case COMBO_BOX:
if (!DoComboGet(hWnd, pc[i].uiID, pc[i].lpvData, &uiDataOut)) {
MYDBGPRINT(( "GetControls, DoComboGet failed, control: %d", i));
}
break;
case EDIT_TEXT_RO:
case PUSHBUTTON:
case STATIC_TEXT:
// Do nothing, these control types can only be set.
break;
default:
MYDBGPRINT(( "GetControls, unknown control type"));
return FALSE;
} // switch (pc[i].uType)
// Copy output data.
switch (pc[i].uiType) {
case CHECK_BOX:
case CHECK_BOX_ENABLE:
case SLIDER:
case EDIT_UINT:
if (!ValidateCopyData(pc[i].lpvData, &uiDataOut, pc[i].dwSize)) {
MYDBGPRINT(( "GetControls, validate/copy output data failed, index: %d", i));
return FALSE;
}
break;
case COMBO_BOX:
if (!ValidateCopyData(pc[i].lpdwParam, &uiDataOut, pc[i].dwSize)) {
MYDBGPRINT(( "GetControls, combo box, validate/copy output data failed, index: %d", i));
return FALSE;
}
}
}
return TRUE;
}
/*******************************************************************************
*
* RangeLimitIDarray
*
* DESCRIPTION:
* Limit the range of values in a ID array based on the passed in Min and Max
* values.
*
* PARAMETERS:
*
*******************************************************************************/
VOID RangeLimitIDarray(UINT uiID[], UINT uiMin, UINT uiMax)
{
UINT i, j;
// Find the min value and slide the other entries down so that
// it is the first entry in the array.
if (uiMin != (UINT) -1) {
i = 0;
while (uiID[i++]) {
if (uiID[i++] >= uiMin) {
break;
}
}
if (i > 1) {
i -= 2;
j = 0;
while (uiID[i]) {
uiID[j++] = uiID[i++];
uiID[j++] = uiID[i++];
}
}
uiID[j++] = 0; uiID[j] = 0;
}
// Find the max value and terminate the array so that it's the last entry.
if (uiMax != (UINT) -1) {
i = 0;
while (uiID[i++]) {
// Don't mess with timeouts of value zero ("Never").
if (uiID[i] == 0) {
break;
}
if (uiID[i++] > uiMax) {
uiID[--i] = 0; uiID[--i] = 0;
break;
}
}
}
}
/*******************************************************************************
*
* P R I V A T E F U N C T I O N S
*
*******************************************************************************/
/*******************************************************************************
*
* IDtoStr
*
* DESCRIPTION:
* Builds a string from an array of string resource ID's.
*
* PARAMETERS:
*
*******************************************************************************/
LPTSTR IDtoStr(
UINT uiCount,
UINT uiStrID[]
)
{
TCHAR szTmp[MAX_UI_STR_LEN];
LPTSTR lpsz = NULL;
DWORD cch;
szTmp[0] = '\0';
while (uiCount) {
lpsz = LoadDynamicString(uiStrID[--uiCount]);
if (lpsz) {
if ((lstrlen(lpsz) + lstrlen(szTmp)) < (MAX_UI_STR_LEN - 3)) {
if (szTmp[0]) {
StringCchCat(szTmp, ARRAYSIZE(szTmp), TEXT(", "));
}
StringCchCat(szTmp, ARRAYSIZE(szTmp), lpsz);
}
LocalFree(lpsz);
cch = lstrlen(szTmp) + 1;
lpsz = LocalAlloc(0, cch * sizeof(*lpsz));
if (lpsz) {
StringCchCopy(lpsz, cch, szTmp);
}
}
}
return lpsz;
}
/*******************************************************************************
*
* DoSetSlider
*
* DESCRIPTION:
*
* PARAMETERS:
*
*******************************************************************************/
VOID DoSetSlider(HWND hWnd, UINT uiID, DWORD dwData, DWORD dwMaxMin)
{
if (dwMaxMin) {
SendDlgItemMessage(hWnd, uiID, TBM_SETRANGE, FALSE, (LPARAM) dwMaxMin);
}
SendDlgItemMessage(hWnd, uiID, TBM_SETPOS, TRUE, (LPARAM) dwData);
}
/*******************************************************************************
*
* DoSetText
*
* DESCRIPTION:
*
* PARAMETERS:
*
*******************************************************************************/
VOID DoSetText(HWND hWnd, UINT uiID, LPTSTR lpsz, DWORD dwSize)
{
if (dwSize) {
SendDlgItemMessage(hWnd, uiID, EM_SETLIMITTEXT,
dwSize - sizeof(TCHAR), 0);
}
SetDlgItemText(hWnd, uiID, lpsz);
}
/*******************************************************************************
*
* DoComboSet
*
* DESCRIPTION:
* Reset and populate a combo box with the data pointed to by uiId. Select the
* item pointed to by uiData.
*
* PARAMETERS:
*
*******************************************************************************/
BOOLEAN DoComboSet(
HWND hWnd,
UINT uiID,
UINT uiId[],
UINT uiData
)
{
UINT uiSelIndex, uiIndex = 0, i = 0;
BOOL bFoundSel = FALSE;
LPTSTR lpsz;
SendDlgItemMessage(hWnd, uiID, CB_RESETCONTENT, 0, 0);
// Populate the combo list box.
while (uiId[i]) {
lpsz = LoadDynamicString(uiId[i++]);
if (lpsz) {
if (uiIndex != (UINT) SendDlgItemMessage(hWnd, uiID, CB_ADDSTRING,
0, (LPARAM)lpsz)) {
MYDBGPRINT(( "DoComboSet, CB_ADDSTRING failed: %s", lpsz));
LocalFree(lpsz);
return FALSE;
}
LocalFree(lpsz);
if (uiId[i] == uiData) {
bFoundSel = TRUE;
uiSelIndex = uiIndex;
}
if (SendDlgItemMessage(hWnd, uiID, CB_SETITEMDATA,
uiIndex++, (LPARAM)uiId[i++]) == CB_ERR) {
MYDBGPRINT(( "DoComboSet, CB_SETITEMDATA failed, index: %d", --uiIndex));
return FALSE;
}
}
else {
MYDBGPRINT(( "DoComboSet, unable to load string, index: %d", --i));
return FALSE;
}
}
if (bFoundSel) {
if ((UINT)SendDlgItemMessage(hWnd, uiID, CB_SETCURSEL,
(WPARAM)uiSelIndex, 0) != uiSelIndex) {
MYDBGPRINT(( "DoComboSet, CB_SETCURSEL failed, index: %d", uiSelIndex));
return FALSE;
}
}
else {
MYDBGPRINT(( "DoComboSet unable to find data: 0x%X", uiData));
return FALSE;
}
return TRUE;
}
/*******************************************************************************
*
* DoComboGet
*
* DESCRIPTION:
* Get data for currently selected combo box item.
*
* PARAMETERS:
*
*******************************************************************************/
BOOLEAN DoComboGet(
HWND hWnd,
UINT uiID,
UINT uiId[],
PUINT puiData
)
{
UINT uiIndex, uiData;
uiIndex = (UINT) SendDlgItemMessage(hWnd, uiID, CB_GETCURSEL,0, 0);
if (uiIndex == CB_ERR) {
MYDBGPRINT(( "DoComboGet, CB_GETCURSEL failed"));
return FALSE;
}
uiData = (UINT) SendDlgItemMessage(hWnd, uiID, CB_GETITEMDATA, uiIndex, 0);
if (uiData == CB_ERR) {
MYDBGPRINT(( "DoComboGet, CB_GETITEMDATA failed, index: %d", uiIndex));
return FALSE;
}
*puiData = uiData;
return TRUE;
}
/*******************************************************************************
*
* DoGetCheckBox
*
* DESCRIPTION:
*
* PARAMETERS:
*
*******************************************************************************/
BOOLEAN DoGetCheckBox(
HWND hWnd,
UINT uiID,
PUINT puiData,
LPDWORD lpdwMask
)
{
UINT uiButtonState;
BOOLEAN bRet;
uiButtonState = IsDlgButtonChecked(hWnd, uiID);
if (lpdwMask) {
if (uiButtonState == BST_CHECKED) {
bRet = TRUE;
*puiData |= *lpdwMask;
}
else {
bRet = FALSE;
*puiData &= ~(*lpdwMask);
}
}
else {
if (uiButtonState == BST_CHECKED) {
bRet = *puiData = TRUE;
}
else {
bRet = *puiData = FALSE;
}
}
return bRet;
}
/*******************************************************************************
*
* DoGetCheckBoxEnable
*
* DESCRIPTION:
*
* PARAMETERS:
*
*******************************************************************************/
BOOLEAN DoGetCheckBoxEnable(
HWND hWnd,
UINT uiID,
PUINT puiData,
LPDWORD lpdwMask,
LPDWORD lpdwEnableState
)
{
UINT uiData;
if (DoGetCheckBox(hWnd, uiID, puiData, lpdwMask)) {
if (lpdwEnableState) {
*lpdwEnableState |= CONTROL_ENABLE;
}
return TRUE;
}
else {
if (lpdwEnableState) {
*lpdwEnableState &= ~CONTROL_ENABLE;
}
return FALSE;
}
}
/*******************************************************************************
*
* ValidateCopyData
*
* DESCRIPTION:
* Data size must be BYTE, SHORT or DWORD.
*
* PARAMETERS:
*
*******************************************************************************/
BOOLEAN ValidateCopyData(LPDWORD lpDst, LPDWORD lpSrc, DWORD dwSize)
{
switch (dwSize) {
case sizeof(BYTE):
case sizeof(SHORT):
case sizeof(DWORD):
*lpDst = 0;
memcpy(lpDst, lpSrc, dwSize);
return TRUE;
default:
MYDBGPRINT(( "ValidateCopyData, invalid variable size: %d", dwSize));
}
return FALSE;
}