static WCHAR *GetXPSViewerPath()
{
// the XPS-Viewer seems to always be installed into %WINDIR%\system32
WCHAR buffer[MAX_PATH];
UINT res = GetSystemDirectory(buffer, dimof(buffer));
if (!res || res >= dimof(buffer))
return NULL;
ScopedMem<WCHAR> exePath(path::Join(buffer, L"xpsrchvw.exe"));
if (file::Exists(exePath))
return exePath.StealData();
#ifndef _WIN64
// Wow64 redirects access to system32 to syswow64 instead, so we
// disable file system redirection using the recommended method from
// http://msdn.microsoft.com/en-us/library/aa384187(v=vs.85).aspx
if (IsRunningInWow64()) {
res = GetWindowsDirectory(buffer, dimof(buffer));
if (!res || res >= dimof(buffer))
return NULL;
exePath.Set(path::Join(buffer, L"Sysnative\\xpsrchvw.exe"));
if (file::Exists(exePath))
return exePath.StealData();
}
#endif
return NULL;
}
static void GetOsVersion(str::Str<char>& s)
{
OSVERSIONINFOEX ver;
ZeroMemory(&ver, sizeof(ver));
ver.dwOSVersionInfoSize = sizeof(ver);
#pragma warning(push)
#pragma warning(disable: 4996) // 'GetVersionEx': was declared deprecated
// starting with Windows 8.1, GetVersionEx will report a wrong version number
// unless the OS's GUID has been explicitly added to the compatibility manifest
BOOL ok = GetVersionEx((OSVERSIONINFO*)&ver);
#pragma warning(pop)
if (!ok)
return;
const char *os = OsNameFromVer(ver);
int servicePackMajor = ver.wServicePackMajor;
int servicePackMinor = ver.wServicePackMinor;
int buildNumber = ver.dwBuildNumber & 0xFFFF;
#ifdef _WIN64
const char *arch = "64-bit";
#else
const char *arch = IsRunningInWow64() ? "Wow64" : "32-bit";
#endif
if (0 == servicePackMajor)
s.AppendFmt("OS: Windows %s build %d %s\r\n", os, buildNumber, arch);
else if (0 == servicePackMinor)
s.AppendFmt("OS: Windows %s SP%d build %d %s\r\n", os, servicePackMajor, buildNumber, arch);
else
s.AppendFmt("OS: Windows %s %d.%d build %d %s\r\n", os, servicePackMajor, servicePackMinor, buildNumber, arch);
}
static void GetOsVersion(str::Str<char>& s)
{
OSVERSIONINFOEX ver;
ZeroMemory(&ver, sizeof(ver));
ver.dwOSVersionInfoSize = sizeof(ver);
BOOL ok = GetVersionEx((OSVERSIONINFO*)&ver);
if (!ok)
return;
char *os = OsNameFromVer(ver);
int servicePackMajor = ver.wServicePackMajor;
int servicePackMinor = ver.wServicePackMinor;
int buildNumber = ver.dwBuildNumber & 0xFFFF;
#ifdef _WIN64
char *arch = "64-bit";
#else
char *arch = IsRunningInWow64() ? "Wow64" : "32-bit";
#endif
if (0 == servicePackMajor)
s.AppendFmt("OS: Windows %s build %d %s\r\n", os, buildNumber, arch);
else if (0 == servicePackMinor)
s.AppendFmt("OS: Windows %s SP%d build %d %s\r\n", os, servicePackMajor, buildNumber, arch);
else
s.AppendFmt("OS: Windows %s %d.%d build %d %s\r\n", os, servicePackMajor, servicePackMinor, buildNumber, arch);
}
// TODO: since we have a variable UI, for better layout (anchored to the bottom,
// not the top), we should layout controls starting at the bottom and go up
void OnCreateWindow(HWND hwnd)
{
// TODO: this button might be too narrow for some translations
gHwndButtonInstUninst = CreateDefaultButton(hwnd, _TR("Install SumatraPDF"), 140);
RectI rc(WINDOW_MARGIN, 0, dpiAdjust(96), PUSH_BUTTON_DY);
ClientRect r(hwnd);
rc.y = r.dy - rc.dy - WINDOW_MARGIN;
gHwndButtonOptions = CreateWindow(WC_BUTTON, _TR("&Options"),
BS_PUSHBUTTON | WS_CHILD | WS_VISIBLE | WS_TABSTOP,
rc.x, rc.y, rc.dx, rc.dy, hwnd,
(HMENU)ID_BUTTON_OPTIONS, ghinst, NULL);
SetWindowFont(gHwndButtonOptions, gFontDefault, TRUE);
int staticDy = dpiAdjust(20);
rc.y = TITLE_PART_DY + WINDOW_MARGIN;
gHwndStaticInstDir = CreateWindow(WC_STATIC, _TR("Install SumatraPDF in &folder:"),
WS_CHILD,
rc.x, rc.y, r.dx - 2 * rc.x, staticDy,
hwnd, NULL, ghinst, NULL);
SetWindowFont(gHwndStaticInstDir, gFontDefault, TRUE);
rc.y += staticDy;
gHwndTextboxInstDir = CreateWindow(WC_EDIT, gGlobalData.installDir,
WS_CHILD | WS_TABSTOP | WS_BORDER | ES_LEFT | ES_AUTOHSCROLL,
rc.x, rc.y, r.dx - 3 * rc.x - staticDy, staticDy,
hwnd, NULL, ghinst, NULL);
SetWindowFont(gHwndTextboxInstDir, gFontDefault, TRUE);
gHwndButtonBrowseDir = CreateWindow(WC_BUTTON, L"&...",
BS_PUSHBUTTON | WS_CHILD | WS_TABSTOP,
r.dx - rc.x - staticDy, rc.y, staticDy, staticDy,
hwnd, (HMENU)ID_BUTTON_BROWSE, ghinst, NULL);
SetWindowFont(gHwndButtonBrowseDir, gFontDefault, TRUE);
rc.y += 2 * staticDy;
ScopedMem<WCHAR> defaultViewer(GetDefaultPdfViewer());
BOOL hasOtherViewer = !str::EqI(defaultViewer, APP_NAME_STR);
BOOL isSumatraDefaultViewer = defaultViewer && !hasOtherViewer;
// only show the checbox if Sumatra is not already a default viewer.
// the alternative (disabling the checkbox) is more confusing
if (!isSumatraDefaultViewer) {
gHwndCheckboxRegisterDefault = CreateWindow(
WC_BUTTON, _TR("Use SumatraPDF as the &default PDF reader"),
WS_CHILD | BS_AUTOCHECKBOX | WS_TABSTOP,
rc.x, rc.y, r.dx - 2 * rc.x, staticDy,
hwnd, (HMENU)ID_CHECKBOX_MAKE_DEFAULT, ghinst, NULL);
SetWindowFont(gHwndCheckboxRegisterDefault, gFontDefault, TRUE);
// only check the "Use as default" checkbox when no other PDF viewer
// is currently selected (not going to intrude)
Button_SetCheck(gHwndCheckboxRegisterDefault, !hasOtherViewer || gGlobalData.registerAsDefault);
rc.y += staticDy;
}
gHwndCheckboxRegisterBrowserPlugin = CreateWindow(
WC_BUTTON, _TR("Install PDF &browser plugin for Firefox, Chrome and Opera"),
WS_CHILD | BS_AUTOCHECKBOX | WS_TABSTOP,
rc.x, rc.y, r.dx - 2 * rc.x, staticDy,
hwnd, (HMENU)ID_CHECKBOX_BROWSER_PLUGIN, ghinst, NULL);
SetWindowFont(gHwndCheckboxRegisterBrowserPlugin, gFontDefault, TRUE);
Button_SetCheck(gHwndCheckboxRegisterBrowserPlugin, gGlobalData.installBrowserPlugin || IsBrowserPluginInstalled());
rc.y += staticDy;
// only show this checkbox if the CPU arch of DLL and OS match
// (assuming that the installer has the same CPU arch as its content!)
#ifndef _WIN64
if (!IsRunningInWow64())
#endif
{
gHwndCheckboxRegisterPdfFilter = CreateWindow(
WC_BUTTON, _TR("Let Windows Desktop Search &search PDF documents"),
WS_CHILD | BS_AUTOCHECKBOX | WS_TABSTOP,
rc.x, rc.y, r.dx - 2 * rc.x, staticDy,
hwnd, (HMENU)ID_CHECKBOX_PDF_FILTER, ghinst, NULL);
SetWindowFont(gHwndCheckboxRegisterPdfFilter, gFontDefault, TRUE);
Button_SetCheck(gHwndCheckboxRegisterPdfFilter, gGlobalData.installPdfFilter || IsPdfFilterInstalled());
rc.y += staticDy;
}
// for Windows XP, this means only basic thumbnail support
gHwndCheckboxRegisterPdfPreviewer = CreateWindow(
WC_BUTTON, _TR("Let Windows show &previews of PDF documents"),
WS_CHILD | BS_AUTOCHECKBOX | WS_TABSTOP,
rc.x, rc.y, r.dx - 2 * rc.x, staticDy,
hwnd, (HMENU)ID_CHECKBOX_PDF_PREVIEWER, ghinst, NULL);
SetWindowFont(gHwndCheckboxRegisterPdfPreviewer, gFontDefault, TRUE);
Button_SetCheck(gHwndCheckboxRegisterPdfPreviewer, gGlobalData.installPdfPreviewer || IsPdfPreviewerInstalled());
rc.y += staticDy;
gShowOptions = !gShowOptions;
OnButtonOptions();
SetFocus(gHwndButtonInstUninst);
}
static WCHAR *GetGhostscriptPath()
{
WCHAR *gsProducts[] = {
L"AFPL Ghostscript",
L"Aladdin Ghostscript",
L"GPL Ghostscript",
L"GNU Ghostscript",
};
// find all installed Ghostscript versions
WStrVec versions;
REGSAM access = KEY_READ | KEY_WOW64_32KEY;
TryAgain64Bit:
for (int i = 0; i < dimof(gsProducts); i++) {
HKEY hkey;
ScopedMem<WCHAR> keyName(str::Join(L"Software\\", gsProducts[i]));
if (RegOpenKeyEx(HKEY_LOCAL_MACHINE, keyName, 0, access, &hkey) != ERROR_SUCCESS)
continue;
WCHAR subkey[32];
for (DWORD ix = 0; RegEnumKey(hkey, ix, subkey, dimof(subkey)) == ERROR_SUCCESS; ix++)
versions.Append(str::Dup(subkey));
RegCloseKey(hkey);
}
if ((access & KEY_WOW64_32KEY)) {
// also look for 64-bit Ghostscript versions under 64-bit Windows
access = KEY_READ | KEY_WOW64_64KEY;
#ifndef _WIN64
// (unless this is 32-bit Windows)
if (IsRunningInWow64())
#endif
goto TryAgain64Bit;
}
versions.SortNatural();
// return the path to the newest installation
for (size_t ix = versions.Count(); ix > 0; ix--) {
for (int i = 0; i < dimof(gsProducts); i++) {
ScopedMem<WCHAR> keyName(str::Format(L"Software\\%s\\%s",
gsProducts[i], versions.At(ix - 1)));
ScopedMem<WCHAR> GS_DLL(ReadRegStr(HKEY_LOCAL_MACHINE, keyName, L"GS_DLL"));
if (!GS_DLL)
continue;
ScopedMem<WCHAR> dir(path::GetDir(GS_DLL));
ScopedMem<WCHAR> exe(path::Join(dir, L"gswin32c.exe"));
if (file::Exists(exe))
return exe.StealData();
exe.Set(path::Join(dir, L"gswin64c.exe"));
if (file::Exists(exe))
return exe.StealData();
}
}
// if Ghostscript isn't found in the Registry, try finding it in the %PATH%
DWORD size = GetEnvironmentVariable(L"PATH", NULL, 0);
ScopedMem<WCHAR> envpath(AllocArray<WCHAR>(size));
if (size > 0 && envpath) {
GetEnvironmentVariable(L"PATH", envpath, size);
WStrVec paths;
paths.Split(envpath, L";", true);
for (size_t ix = 0; ix < paths.Count(); ix++) {
ScopedMem<WCHAR> exe(path::Join(paths.At(ix), L"gswin32c.exe"));
if (file::Exists(exe))
return exe.StealData();
exe.Set(path::Join(paths.At(ix), L"gswin64c.exe"));
if (file::Exists(exe))
return exe.StealData();
}
}
return NULL;
}
