333 lines
11 KiB
C++
333 lines
11 KiB
C++
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#include "pch.hxx" // pch
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#pragma hdrstop
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#include "resource.h"
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#include "pgMinTx2.h"
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CMinText2Pg::CMinText2Pg(
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LPPROPSHEETPAGE ppsp
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) : WizardPage(ppsp, IDS_LKPREV_MINTEXT2TITLE, IDS_LKPREV_MINTEXT2SUBTITLE)
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{
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m_dwPageId = IDD_FNTWIZMINTEXT2;
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ppsp->pszTemplate = MAKEINTRESOURCE(m_dwPageId);
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m_pDisplayModes = NULL;
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m_nDisplayModes = 0;
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m_nBestDisplayMode = -1;
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}
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CMinText2Pg::~CMinText2Pg(
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VOID
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)
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{
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if(m_pDisplayModes)
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delete [] m_pDisplayModes;
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}
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LRESULT
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CMinText2Pg::OnInitDialog(
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HWND hwnd,
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WPARAM wParam,
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LPARAM lParam
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)
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{
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// Enumerate available video modes
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// JMC: TODO: Make Multi Monitory support
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// Check if SM_CMONITORS is > 0 then set text so we don't
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// change resolution.
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DEVMODE dm;
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// Calculate number of display modes
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for(m_nDisplayModes=0;m_nDisplayModes<2000;m_nDisplayModes++) // Limit to 2000 display modes. If it is this high, something is wrong
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if(!EnumDisplaySettings(NULL, m_nDisplayModes, &dm))
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break;
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m_pDisplayModes = new CDisplayModeInfo[m_nDisplayModes];
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for(int i=0;i<m_nDisplayModes;i++)
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EnumDisplaySettings(NULL, i, &m_pDisplayModes[i].m_DevMode);
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UpdateControls();
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return 1;
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}
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void CMinText2Pg::UpdateControls()
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{
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// This algorithm chooses which check boxes to set based on the
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// minimal legible font size specified in g_Options.m_nMinimalFontSize
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// HACK:
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g_Options.m_nMinimalFontSize = MulDiv(abs(g_Options.m_schemePreview.m_ncm.lfCaptionFont.lfHeight), 72, g_Options.m_nLogPixelsY);
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BOOL bSwitchRes = FALSE;
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BOOL bChangeFonts = FALSE;
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BOOL bUseMagnify = FALSE;
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switch(g_Options.m_nMinimalFontSize)
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{
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case 8:
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case 10:
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case 12:
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bChangeFonts = TRUE;
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break;
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case 14:
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case 16:
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case 18:
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bChangeFonts = TRUE;
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bSwitchRes = TRUE;
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break;
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case 20:
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case 22:
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case 24:
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bChangeFonts = TRUE;
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bUseMagnify = TRUE;
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}
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m_nBestDisplayMode = -1;
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DEVMODE dvmdOrig;
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memset(&dvmdOrig, 0, sizeof(dvmdOrig));
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HDC hdc = GetDC(NULL); // Screen DC used to get current display settings
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dvmdOrig.dmPelsWidth = GetDeviceCaps(hdc, HORZRES);
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dvmdOrig.dmPelsHeight = GetDeviceCaps(hdc, VERTRES);
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dvmdOrig.dmBitsPerPel = GetDeviceCaps(hdc, BITSPIXEL);
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dvmdOrig.dmDisplayFrequency = GetDeviceCaps(hdc, VREFRESH);
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ReleaseDC(NULL, hdc);
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for(int i=0;i<m_nDisplayModes;i++)
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{
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// Skip anything 'higher' than current mode
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if( m_pDisplayModes[i].m_DevMode.dmPelsWidth > dvmdOrig.dmPelsWidth
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|| m_pDisplayModes[i].m_DevMode.dmPelsHeight > dvmdOrig.dmPelsHeight
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|| m_pDisplayModes[i].m_DevMode.dmBitsPerPel > dvmdOrig.dmBitsPerPel
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|| m_pDisplayModes[i].m_DevMode.dmDisplayFrequency > dvmdOrig.dmDisplayFrequency )
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continue;
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// Skip this if it is 'worse' than the current best mode
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if( -1 != m_nBestDisplayMode
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&& ( m_pDisplayModes[i].m_DevMode.dmPelsWidth < m_pDisplayModes[m_nBestDisplayMode].m_DevMode.dmPelsWidth
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|| m_pDisplayModes[i].m_DevMode.dmPelsHeight < m_pDisplayModes[m_nBestDisplayMode].m_DevMode.dmPelsHeight
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|| m_pDisplayModes[i].m_DevMode.dmBitsPerPel < m_pDisplayModes[m_nBestDisplayMode].m_DevMode.dmBitsPerPel
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|| m_pDisplayModes[i].m_DevMode.dmDisplayFrequency < m_pDisplayModes[m_nBestDisplayMode].m_DevMode.dmDisplayFrequency ) )
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continue;
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// Skip anything 'less than' 640 x 480
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if( m_pDisplayModes[i].m_DevMode.dmPelsWidth < 640
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|| m_pDisplayModes[i].m_DevMode.dmPelsHeight < 480 )
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continue;
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// See if this is 'smaller' than the current resolution
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if( m_pDisplayModes[i].m_DevMode.dmPelsHeight < dvmdOrig.dmPelsHeight )
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m_nBestDisplayMode = i;
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}
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// JMC: TODO: Handle if the user does not have permission to change
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// the display settings!!!!!!!!!!!!!!
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if(-1 == m_nBestDisplayMode)
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{
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bSwitchRes = FALSE;
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SetWindowText(GetDlgItem(m_hwnd, IDC_SZRESMESSAGE),
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__TEXT("There are no display resolutions that would be better for the size text you chose."));
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EnableWindow(GetDlgItem(m_hwnd, IDC_SWITCHRESOLUTION), FALSE);
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}
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else
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{
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TCHAR sz[200];
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wsprintf(sz, __TEXT("You are currently at %i x %i. By switching to %i x %i, the text on screen will be more readable."),
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dvmdOrig.dmPelsWidth,
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dvmdOrig.dmPelsHeight,
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m_pDisplayModes[m_nBestDisplayMode].m_DevMode.dmPelsWidth,
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m_pDisplayModes[m_nBestDisplayMode].m_DevMode.dmPelsHeight);
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SetWindowText(GetDlgItem(m_hwnd, IDC_SZRESMESSAGE), sz);
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EnableWindow(GetDlgItem(m_hwnd, IDC_SWITCHRESOLUTION), TRUE);
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}
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Button_SetCheck(GetDlgItem(m_hwnd, IDC_SWITCHRESOLUTION), bSwitchRes);
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Button_SetCheck(GetDlgItem(m_hwnd, IDC_CHANGEFONTS), bChangeFonts);
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Button_SetCheck(GetDlgItem(m_hwnd, IDC_USEMAGNIFY), bUseMagnify);
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}
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LRESULT
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CMinText2Pg::OnCommand(
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HWND hwnd,
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WPARAM wParam,
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LPARAM lParam
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)
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{
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LRESULT lResult = 1;
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WORD wNotifyCode = HIWORD(wParam);
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WORD wCtlID = LOWORD(wParam);
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HWND hwndCtl = (HWND)lParam;
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// JMC: NOTE: DO NOT CALL UpdateControls()
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// UpdateControls() should only be called when entering this page
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// since it sets the check boxes based on the minimal font size
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// determined by the previous wizard page
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/*
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switch(wCtlID)
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{
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case IDC_BTN_INCREASE_SIZE:
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UpdateControls();
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lResult = 0;
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break;
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default:
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break;
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}
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*/
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return lResult;
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}
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LRESULT
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CMinText2Pg::OnPSN_SetActive(
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HWND hwnd,
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INT idCtl,
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LPPSHNOTIFY pnmh
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)
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{
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// Call the base class
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WizardPage::OnPSN_SetActive(hwnd, idCtl, pnmh);
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// Make sure our check boxes reflect any change in the minimal
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// font size specified by g_Options.m_nMinimalFontSize
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UpdateControls();
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return TRUE;
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}
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LRESULT
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CMinText2Pg::OnPSN_WizNext(
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HWND hwnd,
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INT idCtl,
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LPPSHNOTIFY pnmh
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)
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{
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// Get original data
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DEVMODE dvmdOrig;
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memset(&dvmdOrig, 0, sizeof(dvmdOrig));
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HDC hdc = GetDC(NULL); // Screen DC used to get current display settings
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int nLogPixelsY = GetDeviceCaps(hdc, LOGPIXELSY);
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// JMC: HOW DO WE GET dmDisplayFlags?
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// TODO: Maybe use ChangeDisplaySettings(NULL, 0) to restore original mode
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dvmdOrig.dmSize = sizeof(dvmdOrig);
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dvmdOrig.dmFields = DM_BITSPERPEL | DM_PELSWIDTH | DM_PELSHEIGHT | /* DM_DISPLAYFLAGS | */DM_DISPLAYFREQUENCY;
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dvmdOrig.dmPelsWidth = GetDeviceCaps(hdc, HORZRES);
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dvmdOrig.dmPelsHeight = GetDeviceCaps(hdc, VERTRES);
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dvmdOrig.dmBitsPerPel = GetDeviceCaps(hdc, BITSPIXEL);
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dvmdOrig.dmDisplayFrequency = GetDeviceCaps(hdc, VREFRESH);
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ReleaseDC(NULL, hdc);
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NONCLIENTMETRICS ncm;
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memset(&ncm, 0, sizeof(ncm));
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ncm.cbSize = sizeof(ncm);
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SystemParametersInfo(SPI_GETNONCLIENTMETRICS, sizeof(ncm), &ncm, 0);
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NONCLIENTMETRICS ncmOrig = ncm;
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LOGFONT lfIconOrig;
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SystemParametersInfo(SPI_GETICONTITLELOGFONT, sizeof(lfIconOrig), &lfIconOrig, 0);
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BOOL bChangeRes = Button_GetCheck(GetDlgItem(m_hwnd, IDC_SWITCHRESOLUTION)) && -1 != m_nBestDisplayMode;
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BOOL bChangeFont = Button_GetCheck(GetDlgItem(m_hwnd, IDC_CHANGEFONTS));
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BOOL bMagnifier = Button_GetCheck(GetDlgItem(m_hwnd, IDC_USEMAGNIFY));
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BOOL bSomethingChanged = bChangeRes || bChangeFont || bMagnifier;
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if(bSomethingChanged)
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{
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if(IDOK != MessageBox(m_hwnd,
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__TEXT("These changes are going to take effect immediately. If you don't \
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like the new settings, you will be given an opportunity to undo the changes. If for some \
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reason your display becomes illegible, press the ESCAPE key once."), __TEXT("Accessability Wizard"), MB_OKCANCEL))
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{
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SetWindowLong(hwnd, DWL_MSGRESULT, m_dwPageId);
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return TRUE;
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}
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}
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if(bChangeRes)
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{
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// Change the resolution
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if(DISP_CHANGE_SUCCESSFUL != ChangeDisplaySettings(&m_pDisplayModes[m_nBestDisplayMode].m_DevMode, CDS_TEST))
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{
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// JMC: TODO: What should we do. This may mean that a RESTART is required
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}
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else
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ChangeDisplaySettings(&m_pDisplayModes[m_nBestDisplayMode].m_DevMode, CDS_UPDATEREGISTRY | CDS_GLOBAL);
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}
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if(bChangeFont)
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{
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LOGFONT lf;
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memset(&lf, 0, sizeof(lf));
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lf.lfHeight = -MulDiv(g_Options.m_nMinimalFontSize, nLogPixelsY, 72);
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lf.lfWeight = FW_BOLD;
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lstrcpy(lf.lfFaceName, __TEXT("Tahoma"));
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// Captions are BOLD
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ncm.lfCaptionFont = lf;
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lf.lfWeight = FW_NORMAL;
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ncm.lfSmCaptionFont = lf;// JMC: TODO: Use a different Small Caption Font
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ncm.lfMenuFont = lf;
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ncm.lfStatusFont = lf;
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ncm.lfMessageFont = lf;
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// DYNAMICS
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// JMC: TODO: Change caption height / menu height / button width to match.
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// JMC: HACK
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lf.lfWeight = FW_BOLD; // Caption is BOLD
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HFONT hFont = CreateFontIndirect(&lf);
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lf.lfWeight = FW_NORMAL; // Still need lf for ICON
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TEXTMETRIC tm;
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HDC hdc = GetDC(m_hwnd);
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HFONT hfontOld = (HFONT)SelectObject(hdc, hFont);
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GetTextMetrics(hdc, &tm);
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if (hfontOld)
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SelectObject(hdc, hfontOld);
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ReleaseDC(m_hwnd, hdc);
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int cyBorder = GetSystemMetrics(SM_CYBORDER);
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int nSize = abs(lf.lfHeight) + abs(tm.tmExternalLeading) + 2 * cyBorder;
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nSize = max(nSize, GetSystemMetrics(SM_CYICON)/2 + 2 * cyBorder);
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ncm.iCaptionWidth = nSize;
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ncm.iCaptionHeight = nSize;
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ncm.iSmCaptionWidth = nSize;
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ncm.iSmCaptionHeight = nSize;
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ncm.iMenuWidth = nSize;
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ncm.iMenuHeight = nSize;
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SystemParametersInfo(SPI_SETNONCLIENTMETRICS, sizeof(ncm), &ncm, SPIF_UPDATEINIFILE | SPIF_SENDCHANGE);
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SystemParametersInfo(SPI_SETICONTITLELOGFONT, sizeof(lf), &lf, SPIF_UPDATEINIFILE | SPIF_SENDCHANGE);
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SendNotifyMessage(HWND_BROADCAST, WM_SYSCOLORCHANGE, 0, 0);
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SendNotifyMessage(HWND_BROADCAST, WM_SETTINGCHANGE, SPI_SETNONCLIENTMETRICS, (LPARAM)__TEXT("WindowMetrics"));
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}
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if(bMagnifier)
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{
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ShellExecute(NULL, NULL, __TEXT("Magnify.exe"), NULL, NULL, SW_SHOWNORMAL);
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}
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if(bSomethingChanged && IDYES != MessageBox(m_hwnd, __TEXT("Are these settings acceptable"), __TEXT("Accessability Wizard"), MB_YESNOCANCEL))
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{
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// Restore original settings
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ChangeDisplaySettings(&dvmdOrig, CDS_UPDATEREGISTRY | CDS_GLOBAL);
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SystemParametersInfo(SPI_SETNONCLIENTMETRICS, sizeof(ncmOrig), &ncmOrig, SPIF_UPDATEINIFILE | SPIF_SENDCHANGE);
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SystemParametersInfo(SPI_SETICONTITLELOGFONT, sizeof(lfIconOrig), &lfIconOrig, SPIF_UPDATEINIFILE | SPIF_SENDCHANGE);
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SendNotifyMessage(HWND_BROADCAST, WM_SYSCOLORCHANGE, 0, 0);
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SendNotifyMessage(HWND_BROADCAST, WM_SETTINGCHANGE, SPI_SETNONCLIENTMETRICS, (LPARAM)__TEXT("WindowMetrics"));
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SetWindowLong(hwnd, DWL_MSGRESULT, m_dwPageId);
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return TRUE;
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}
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return WizardPage::OnPSN_WizNext(hwnd, idCtl, pnmh);
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}
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