Generalised WinCE fix for other platforms

[wxWidgets.git] / src / common / utilscmn.cpp

diff --git a/src/common/utilscmn.cpp b/src/common/utilscmn.cpp
index 09369b63f3151bef006dc88747bd6543bdb3d0b7..5fcce3aa93587403bef8a43c3b4180ad725f68c4 100644 (file)
--- a/src/common/utilscmn.cpp
+++ b/src/common/utilscmn.cpp
@@ -60,6 +60,9 @@
 
 #include "wx/process.h"
 #include "wx/txtstrm.h"
 
 #include "wx/process.h"
 #include "wx/txtstrm.h"

+#include "wx/uri.h"
+#include "wx/mimetype.h"
+#include "wx/config.h"

 
 #if defined(__WXWINCE__) && wxUSE_DATETIME
 #include "wx/datetime.h"
 
 #if defined(__WXWINCE__) && wxUSE_DATETIME
 #include "wx/datetime.h"


@@ -119,13 +122,13 @@
 wxChar *
 copystring (const wxChar *s)
 {
 wxChar *
 copystring (const wxChar *s)
 {

-  if (s == NULL) s = wxEmptyString;
-  size_t len = wxStrlen (s) + 1;
+    if (s == NULL) s = wxEmptyString;
+    size_t len = wxStrlen (s) + 1;

 
 

-  wxChar *news = new wxChar[len];
-  memcpy (news, s, len * sizeof(wxChar));    // Should be the fastest
+    wxChar *news = new wxChar[len];
+    memcpy (news, s, len * sizeof(wxChar));    // Should be the fastest

 
 

-  return news;
+    return news;

 }
 
 #endif // WXWIN_COMPATIBILITY_2_4
 }
 
 #endif // WXWIN_COMPATIBILITY_2_4


@@ -142,65 +145,65 @@ WXDLLIMPEXP_DATA_BASE(const wxChar *) wxDoubleToStringStr = wxT("%.2f");
 void
 StringToFloat (const wxChar *s, float *number)
 {
 void
 StringToFloat (const wxChar *s, float *number)
 {

-  if (s && *s && number)
-    *number = (float) wxStrtod (s, (wxChar **) NULL);
+    if (s && *s && number)
+        *number = (float) wxStrtod (s, (wxChar **) NULL);

 }
 
 void
 StringToDouble (const wxChar *s, double *number)
 {
 }
 
 void
 StringToDouble (const wxChar *s, double *number)
 {

-  if (s && *s && number)
-    *number = wxStrtod (s, (wxChar **) NULL);
+    if (s && *s && number)
+        *number = wxStrtod (s, (wxChar **) NULL);

 }
 
 wxChar *
 FloatToString (float number, const wxChar *fmt)
 {
 }
 
 wxChar *
 FloatToString (float number, const wxChar *fmt)
 {

-  static wxChar buf[256];
+    static wxChar buf[256];

 
 

-  wxSprintf (buf, fmt, number);
-  return buf;
+    wxSprintf (buf, fmt, number);
+    return buf;

 }
 
 wxChar *
 DoubleToString (double number, const wxChar *fmt)
 {
 }
 
 wxChar *
 DoubleToString (double number, const wxChar *fmt)
 {

-  static wxChar buf[256];
+    static wxChar buf[256];

 
 

-  wxSprintf (buf, fmt, number);
-  return buf;
+    wxSprintf (buf, fmt, number);
+    return buf;

 }
 
 void
 StringToInt (const wxChar *s, int *number)
 {
 }
 
 void
 StringToInt (const wxChar *s, int *number)
 {

-  if (s && *s && number)
-    *number = (int) wxStrtol (s, (wxChar **) NULL, 10);
+    if (s && *s && number)
+        *number = (int) wxStrtol (s, (wxChar **) NULL, 10);

 }
 
 void
 StringToLong (const wxChar *s, long *number)
 {
 }
 
 void
 StringToLong (const wxChar *s, long *number)
 {

-  if (s && *s && number)
-    *number = wxStrtol (s, (wxChar **) NULL, 10);
+    if (s && *s && number)
+        *number = wxStrtol (s, (wxChar **) NULL, 10);

 }
 
 wxChar *
 IntToString (int number)
 {
 }
 
 wxChar *
 IntToString (int number)
 {

-  static wxChar buf[20];
+    static wxChar buf[20];

 
 

-  wxSprintf (buf, wxT("%d"), number);
-  return buf;
+    wxSprintf (buf, wxT("%d"), number);
+    return buf;

 }
 
 wxChar *
 LongToString (long number)
 {
 }
 
 wxChar *
 LongToString (long number)
 {

-  static wxChar buf[20];
+    static wxChar buf[20];

 
 

-  wxSprintf (buf, wxT("%ld"), number);
-  return buf;
+    wxSprintf (buf, wxT("%ld"), number);
+    return buf;

 }
 
 #endif // WXWIN_COMPATIBILITY_2_4
 }
 
 #endif // WXWIN_COMPATIBILITY_2_4


@@ -211,29 +214,29 @@ static wxChar hexArray[] = wxT("0123456789ABCDEF");
 // Convert 2-digit hex number to decimal
 int wxHexToDec(const wxString& buf)
 {
 // Convert 2-digit hex number to decimal
 int wxHexToDec(const wxString& buf)
 {

-  int firstDigit, secondDigit;
+    int firstDigit, secondDigit;

 
 

-  if (buf.GetChar(0) >= wxT('A'))
-    firstDigit = buf.GetChar(0) - wxT('A') + 10;
-  else
-    firstDigit = buf.GetChar(0) - wxT('0');
+    if (buf.GetChar(0) >= wxT('A'))
+        firstDigit = buf.GetChar(0) - wxT('A') + 10;
+    else
+       firstDigit = buf.GetChar(0) - wxT('0');

 
 

-  if (buf.GetChar(1) >= wxT('A'))
-    secondDigit = buf.GetChar(1) - wxT('A') + 10;
-  else
-    secondDigit = buf.GetChar(1) - wxT('0');
+    if (buf.GetChar(1) >= wxT('A'))
+        secondDigit = buf.GetChar(1) - wxT('A') + 10;
+    else
+        secondDigit = buf.GetChar(1) - wxT('0');

 
 

-  return (firstDigit & 0xF) * 16 + (secondDigit & 0xF );
+    return (firstDigit & 0xF) * 16 + (secondDigit & 0xF );

 }
 
 // Convert decimal integer to 2-character hex string
 void wxDecToHex(int dec, wxChar *buf)
 {
 }
 
 // Convert decimal integer to 2-character hex string
 void wxDecToHex(int dec, wxChar *buf)
 {

-  int firstDigit = (int)(dec/16.0);
-  int secondDigit = (int)(dec - (firstDigit*16.0));
-  buf[0] = hexArray[firstDigit];
-  buf[1] = hexArray[secondDigit];
-  buf[2] = 0;
+    int firstDigit = (int)(dec/16.0);
+    int secondDigit = (int)(dec - (firstDigit*16.0));
+    buf[0] = hexArray[firstDigit];
+    buf[1] = hexArray[secondDigit];
+    buf[2] = 0;

 }
 
 // Convert decimal integer to 2-character hex string
 }
 
 // Convert decimal integer to 2-character hex string


@@ -524,6 +527,160 @@ long wxExecute(const wxString& command,
     return wxDoExecuteWithCapture(command, output, &error, flags);
 }
 
     return wxDoExecuteWithCapture(command, output, &error, flags);
 }
 

+// ----------------------------------------------------------------------------
+// Launch default browser
+// ----------------------------------------------------------------------------
+
+bool wxLaunchDefaultBrowser(const wxString& url)
+{
+    wxString finalurl = url;
+
+    //if it isn't a full url, try appending http:// to it
+    if(wxURI(url).IsReference())
+        finalurl = wxString(wxT("http://")) + url;
+
+#if defined(__WXMSW__) && wxUSE_CONFIG_NATIVE
+
+    wxString command;
+
+    // ShellExecute() always opens in the same window,
+    // so do it manually for new window (from Mahogany)
+    wxRegKey key(wxRegKey::HKCR, url.BeforeFirst(':') + wxT("\\shell\\open"));
+    if ( key.Exists() )
+    {
+        wxRegKey keyDDE(key, wxT("DDEExec"));
+        if ( keyDDE.Exists() )
+        {
+            wxString ddeTopic = wxRegKey(keyDDE, wxT("topic"));
+
+            // we only know the syntax of WWW_OpenURL DDE request
+            if ( ddeTopic == wxT("WWW_OpenURL") )
+            {
+                wxString ddeCmd = keyDDE;
+
+                // this is a bit naive but should work as -1 can't appear
+                // elsewhere in the DDE topic, normally
+                if ( ddeCmd.Replace(wxT("-1"), wxT("0"),
+                                    false /* only first occurence */) == 1 )
+                {
+                    // and also replace the parameters
+                    if ( ddeCmd.Replace(wxT("%1"), url, false) == 1 )
+                    {
+                        // magic incantation understood by wxMSW
+                        command << wxT("WX_DDE#")
+                                << wxRegKey(key, wxT("command")).QueryDefaultValue() << wxT('#')
+                                << wxRegKey(keyDDE, wxT("application")).QueryDefaultValue()
+                                << wxT('#') << ddeTopic << wxT('#')
+                                << ddeCmd;
+                    }
+                }
+            }
+        }
+    }
+
+    //Try wxExecute - if it doesn't work or the regkey stuff
+    //above failed, fallback to opening the file in the same
+    //browser window
+    if ( command.empty() || wxExecute(command) == -1)
+    {
+        // CYGWIN and MINGW may have problems - so load ShellExecute
+        // dynamically
+        typedef HINSTANCE (*LPShellExecute)(HWND hwnd, const wxChar* lpOperation,
+                                            const wxChar* lpFile,
+                                            const wxChar* lpParameters,
+                                            const wxChar* lpDirectory,
+                                            INT nShowCmd);
+
+        HINSTANCE hShellDll = ::LoadLibrary(wxT("shell32.dll"));
+        if(hShellDll == NULL)
+            return false;
+
+        LPShellExecute lpShellExecute =
+            (LPShellExecute) ::GetProcAddress(hShellDll,
+            wxString::Format(wxT("ShellExecute%s"),
+
+#ifdef __WXUNICODE__
+            wxT("W")
+#else
+            wxT("A")
+#endif
+#ifdef __WXWINCE__
+                             )
+#else
+                             ).mb_str(wxConvLocal)
+#endif
+                             );
+        if(lpShellExecute == NULL)
+            return false;
+
+        // Windows sometimes doesn't open the browser correctly when using mime
+        // types, so do ShellExecute - i.e. start <url> (from James Carroll)
+        unsigned int nResult = (int) (*lpShellExecute)(NULL, NULL, finalurl.c_str(),
+                                                       NULL, wxT(""), SW_SHOWNORMAL);
+
+        // Unload Shell32.dll
+        ::FreeLibrary(hShellDll);
+
+        // HINSTANCE_ERROR not defined on WinCE
+#ifndef __WXWINCE__
+        // Hack for Firefox (returns file not found for some reason)
+        // from Angelo Mandato's wxHyperlinksCtrl
+        // HINSTANCE_ERROR == 32
+        if (nResult <= HINSTANCE_ERROR && nResult != SE_ERR_FNF)
+            return false;
+#endif
+
+#ifdef __WXDEBUG__
+        // Log something if SE_ERR_FNF happens
+        if(nResult == SE_ERR_FNF)
+            wxLogDebug(wxT("Got SE_ERR_FNF from ShellExecute - maybe FireFox"));
+#endif
+    }
+
+#elif wxUSE_MIMETYPE
+
+    // Non-windows way
+    wxFileType *ft = wxTheMimeTypesManager->GetFileTypeFromExtension (_T("html"));
+    if (!ft)
+    {
+        wxLogError(_T("No default application can open .html extension"));
+        return false;
+    }
+
+    wxString mt;
+    ft->GetMimeType(&mt);
+
+    wxString cmd;
+    bool ok = ft->GetOpenCommand (&cmd, wxFileType::MessageParameters(finalurl));
+    delete ft;
+
+    if (ok)
+    {
+        if( wxExecute (cmd, wxEXEC_ASYNC) == -1 )
+        {
+            wxLogError(_T("Failed to launch application for wxLaunchDefaultBrowser"));
+            return false;
+        }
+    }
+    else
+    {
+        // fallback to checking for the BROWSER environment variable
+        cmd = wxGetenv(wxT("BROWSER"));
+        if ( cmd.empty() || wxExecute(cmd + wxT(" ") + finalurl) == -1)
+            return false;
+    }
+     
+
+#else // !wxUSE_MIMETYPE && !(WXMSW && wxUSE_NATIVE_CONFIG)
+
+        return false;
+
+#endif
+
+    //success - hopefully
+    return true;
+}
+

 // ----------------------------------------------------------------------------
 // wxApp::Yield() wrappers for backwards compatibility
 // ----------------------------------------------------------------------------
 // ----------------------------------------------------------------------------
 // wxApp::Yield() wrappers for backwards compatibility
 // ----------------------------------------------------------------------------