Windows2000/private/windows/shell/accessib/accwiz/pglokprv.cpp
2020-09-30 17:12:32 +02:00

342 lines
9.3 KiB
C++

#include "pch.hxx" // pch
#pragma hdrstop
#include "resource.h"
#include "pgLokPrv.h"
#define HC_KEY __TEXT("Control Panel\\Accessibility\\HighContrast")
#define HIGHCONTRAST_SCHEME __TEXT("High Contrast Scheme")
#define VOLATILE_SCHEME __TEXT("Volital HC Scheme")
CLookPreviewPg::CLookPreviewPg(
LPPROPSHEETPAGE ppsp,
int dwPageId,
int nIdTitle,
int nIdSubTitle,
int nIdValueString
) : WizardPage(ppsp, nIdTitle, nIdSubTitle)
{
m_dwPageId = dwPageId;
ppsp->pszTemplate = MAKEINTRESOURCE(m_dwPageId);
m_nIdValueString = nIdValueString;
m_nCountValues = 0;
m_nCurValueIndex = 0;
m_hwndSlider = 0;
m_hwndListBox = 0;
}
CLookPreviewPg::~CLookPreviewPg(
VOID
)
{
}
#include "LookPrev.h"
void PASCAL Look_RebuildSysStuff(BOOL fInit);
void SetMyNonClientMetrics(LPNONCLIENTMETRICS lpncm);
LRESULT
CLookPreviewPg::OnInitDialog(
HWND hwnd,
WPARAM wParam,
LPARAM lParam
)
{
SendMessage(GetDlgItem(m_hwnd, IDC_LOOKPREV), LPM_RECALC, 0, 0);
SendMessage(GetDlgItem(m_hwnd, IDC_LOOKPREV), LPM_REPAINT, 0, 0);
LoadValueArray();
// Figure out what UI Type we have
// The dialog template MUST have either
// IDC_PREVLIST or (IDC_BTNUP,IDC_BTNDOWN) or IDC_PREVSLIDER
// JMC: The only type now used in the wizard is the UILISTBOX
#ifdef USE_SLIDER_OR_BUTTONS
if(GetDlgItem(m_hwnd, IDC_BTNUP))
m_UIType = UIBUTTONS;
else if(m_hwndListBox = GetDlgItem(m_hwnd, IDC_PREVLIST))
m_UIType = UILISTBOX;
else if(m_hwndSlider = GetDlgItem(m_hwnd, IDC_PREVSLIDER))
m_UIType = UISLIDER;
else
_ASSERTE(FALSE); // Dialog template is not valid
#else
m_hwndListBox = GetDlgItem(m_hwnd, IDC_PREVLIST);
m_UIType = UILISTBOX;
#endif
// Get the initial value for the type of preview we are doing
int nCurrentSize = GetCurrentValue(NULL/*&g_Options.m_schemePreview.m_ncm*/);
// Find next larger
for(int i=m_nCountValues - 1;i>=0;i--)
{
if(m_rgnValues[i] >= nCurrentSize)
m_nCurValueIndex = i;
else break;
}
// Initialize the controls for the loaded values
switch(m_UIType)
{
case UIBUTTONS:
break; // Nothing to do
case UILISTBOX:
for(i=0;i<m_nCountValues;i++)
{
TCHAR sz[100];
GetValueItemText(i, sz, ARRAYSIZE(sz));
ListBox_AddString(m_hwndListBox, sz);
}
ListBox_SetCurSel(m_hwndListBox, m_nCurValueIndex);
break;
case UISLIDER:
SendMessage(m_hwndSlider, TBM_SETRANGE, TRUE, MAKELONG(0, m_nCountValues - 1));
// JMC: NOTE - We have to reverse the range for vertical sliders
SendMessage(m_hwndSlider, TBM_SETPOS, TRUE, m_nCountValues - 1 - m_nCurValueIndex);
break;
}
UpdateControls();
return 1;
}
void CLookPreviewPg::LoadValueArray()
{
LoadArrayFromStringTable(m_nIdValueString, m_rgnValues, &m_nCountValues);
}
void CLookPreviewPg::UpdateControls()
{
}
LRESULT
CLookPreviewPg::OnCommand(
HWND hwnd,
WPARAM wParam,
LPARAM lParam
)
{
LRESULT lResult = 1;
WORD wNotifyCode = HIWORD(wParam);
WORD wCtlID = LOWORD(wParam);
HWND hwndCtl = (HWND)lParam;
switch(wCtlID)
{
case IDC_PREVLIST:
switch(wNotifyCode)
{
case LBN_SELCHANGE:
UpdatePreview(wCtlID);
break;
default:
break;
}
#ifdef USE_SLIDER_OR_BUTTONS
case IDC_BTNUP:
case IDC_BTNDOWN:
UpdatePreview(wCtlID);
break;
#endif
default:
break;
}
return lResult;
}
void CLookPreviewPg::ResetColors()
{
if(0 != m_nCurValueIndex)
{
int nCount = GetScheme(m_nCurValueIndex-1).nColorsUsed;
for(int i=0;i<nCount;i++)
g_Options.m_schemePreview.m_rgb[i] = GetScheme(m_nCurValueIndex-1).rgb[i];
if(nCount < COLOR_MAX_97_NT5)
{
// JMC: HACK: WHAT ABOUT COLOR_3DALTFACE????????
g_Options.m_schemePreview.m_rgb[COLOR_HOTLIGHT] = g_Options.m_schemePreview.m_rgb[COLOR_ACTIVECAPTION];
g_Options.m_schemePreview.m_rgb[COLOR_GRADIENTACTIVECAPTION] = g_Options.m_schemePreview.m_rgb[COLOR_ACTIVECAPTION];
g_Options.m_schemePreview.m_rgb[COLOR_GRADIENTINACTIVECAPTION] = g_Options.m_schemePreview.m_rgb[COLOR_INACTIVECAPTION];
}
}
else
{
// Use scheme that we came in here with
g_Options.RestoreOriginalColorsToPreview();
}
Look_RebuildSysStuff(TRUE);
SendMessage(GetDlgItem(m_hwnd, IDC_LOOKPREV), LPM_REPAINT, 0, 0);
}
LRESULT
CLookPreviewPg::HandleMsg(
HWND hwnd,
UINT uMsg,
WPARAM wParam,
LPARAM lParam
)
{
switch (uMsg)
{
HANDLE_MSG(hwnd, WM_HSCROLL, OnVHScroll);
HANDLE_MSG(hwnd, WM_VSCROLL, OnVHScroll);
}
return 0;
}
void CLookPreviewPg::OnVHScroll(HWND hwnd, HWND hwndCtl, UINT code, int pos)
{
#ifdef USE_SLIDER_OR_BUTTONS
UpdatePreview(IDC_PREVSLIDER);
#endif
}
void CLookPreviewPg::UpdatePreview(int nActionCtl)
{
// Calculate new index based on the control that generated this event
switch(nActionCtl)
{
case IDC_PREVLIST:
m_nCurValueIndex = ListBox_GetCurSel(m_hwndListBox);
break;
#ifdef USE_SLIDER_OR_BUTTONS
case IDC_PREVSLIDER:
m_nCurValueIndex = m_nCountValues - 1 - SendMessage(m_hwndSlider, TBM_GETPOS, 0, 0);
break;
case IDC_BTNUP:
m_nCurValueIndex = min(m_nCurValueIndex+1, m_nCountValues - 1);
break;
case IDC_BTNDOWN:
m_nCurValueIndex = max(m_nCurValueIndex-1, 0);
break;
#endif
default:
break;
}
// Make sure we are withing range
m_nCurValueIndex = max(m_nCurValueIndex, 0);
m_nCurValueIndex = min(m_nCurValueIndex, m_nCountValues - 1);
// Modify the ncm structure
// JMC: The wizard currently does not muck with m_ncm any more - we only change the colors
// Therefore, we can call ModifyMyNonClientMetrics() with a dummy variable
NONCLIENTMETRICS ncmDummy;
ModifyMyNonClientMetrics(ncmDummy/*g_Options.m_schemePreview.m_ncm*/);
// JMC: The wizard currently does not muck with m_ncm any more - we only change the colors.
// Therefore, we don't have to call SetMyNonClientMetrics();
// SetMyNonClientMetrics(&g_Options.m_schemePreview.m_ncm);
Look_RebuildSysStuff(TRUE);
SendMessage(GetDlgItem(m_hwnd, IDC_LOOKPREV), LPM_RECALC, 0, 0);
SendMessage(GetDlgItem(m_hwnd, IDC_LOOKPREV), LPM_REPAINT, 0, 0);
}
LRESULT
CLookPreviewPg::OnPSN_WizNext(
HWND hwnd,
INT idCtl,
LPPSHNOTIFY pnmh
)
{
g_Options.ApplyPreview();
HIGHCONTRAST l_hc;
HKEY hkey, hkSchemes;
DWORD dwDisposition;
l_hc.cbSize = sizeof(l_hc);
TCHAR szScheme[100];
// Get the current HighContrast settings. This is done in the begining
// and written to a HighContrast structure. m_HIGHCONTRAST
/*SystemParametersInfo(SPI_GETHIGHCONTRAST, sizeof(l_hc),
&l_hc, SPIF_UPDATEINIFILE);
// based on the selection, Set or clear flag
// Consider the case of Current selection being HighContrast.
// Check if originally the flag was SET, And the
// selection m_nCurValueIndex is 0. That means retain the
// Original options.
if (m_nCurValueIndex == 0)
{
// Check original options.
l_hc.dwFlags = g_Options.GetOrigHCFlag();
// Get the current scheme name and update
GetSchemeName(m_nCurValueIndex, szScheme, ARRAYSIZE(szScheme));
// This is the correct scheme name.
lstrcpy(l_hc.lpszDefaultScheme, szScheme);
}
else
{
// If it is any of Hight contrast modes. Flag is ON
// Otherwise OFF
if ( (m_nCurValueIndex > 0) && (m_nCurValueIndex <= 4) )
l_hc.dwFlags |= HCF_HIGHCONTRASTON;
else
l_hc.dwFlags &= (~HCF_HIGHCONTRASTON);
GetValueItemText(m_nCurValueIndex, szScheme, ARRAYSIZE(szScheme));
// This is the correct scheme name.
lstrcpy(l_hc.lpszDefaultScheme, szScheme);
}
l_hc.dwFlags |= 0x10000000;
// In case the selected scheme was a high contrast scheme
// call SystemParametersInfo with SPI_SETHCFLAG/ SPI_UNUSED39
SystemParametersInfo(SPI_SETHIGHCONTRAST, sizeof(l_hc), &l_hc, SPIF_UPDATEINIFILE);
// Here write everything into the registry
if (ERROR_SUCCESS == RegCreateKeyEx(HKEY_CURRENT_USER, HC_KEY, 0, __TEXT(""), REG_OPTION_NON_VOLATILE, KEY_SET_VALUE, NULL, &hkey, &dwDisposition))
{
RegSetValueEx(hkey, HIGHCONTRAST_SCHEME, 0, REG_SZ, (PBYTE) szScheme, (lstrlen(szScheme) + 1) * sizeof(TCHAR));
RegSetValueEx(hkey, VOLATILE_SCHEME, 0, REG_SZ, (PBYTE) szScheme, (lstrlen(szScheme) + 1) * sizeof(TCHAR));
RegCloseKey(hkey);
hkey = NULL;
}
*/
// The new scheme name is GetScheme(m_nCurValueIndex-1).nNameStringId
return WizardPage::OnPSN_WizNext(hwnd, idCtl, pnmh);
}
/*
APPLY
{
int rgInts[COLOR_MAX_97_NT5];
for(int i=0;i<COLOR_MAX_97_NT5;i++)
rgInts[i] = i;
SetSysColors(COLOR_MAX_97_NT5, rgInts, g_Options.m_schemePreview.m_rgb);
}
*/