X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/12cfa30457bba49aad9cb7f8f6789faa74dee73f..89c831801467203372b6964a785823f19e8063dd:/src/common/utilscmn.cpp?ds=inline

diff --git a/src/common/utilscmn.cpp b/src/common/utilscmn.cpp
index 9f14c1b3cb..b048ccd3c6 100644
--- a/src/common/utilscmn.cpp
+++ b/src/common/utilscmn.cpp
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        utilscmn.cpp
+// Name:        src/common/utilscmn.cpp
 // Purpose:     Miscellaneous utility functions and classes
 // Author:      Julian Smart
 // Modified by:
@@ -17,17 +17,6 @@
 // headers
 // ----------------------------------------------------------------------------
 
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) && !defined(__EMX__)
-// Some older compilers (such as EMX) cannot handle
-// #pragma interface/implementation correctly, iff
-// #pragma implementation is used in _two_ translation
-// units (as created by e.g. event.cpp compiled for
-// libwx_base and event.cpp compiled for libwx_gui_core).
-// So we must not use those pragmas for those compilers in
-// such files.
-    #pragma implementation "utils.h"
-#endif
-
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
@@ -60,6 +49,9 @@
 
 #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"
@@ -95,8 +87,9 @@
     #include <sys/stat.h>
 #endif
 
-#if defined(__WXMSW__) && !defined(__PALMOS__)
+#if defined(__WXMSW__)
     #include "wx/msw/private.h"
+    #include "wx/msw/registry.h"
 #endif
 
 #if wxUSE_BASE
@@ -105,11 +98,6 @@
 // common data
 // ----------------------------------------------------------------------------
 
-#if WXWIN_COMPATIBILITY_2_2
-    const wxChar *wxInternalErrorStr = wxT("wxWidgets Internal Error");
-    const wxChar *wxFatalErrorStr = wxT("wxWidgets Fatal Error");
-#endif // WXWIN_COMPATIBILITY_2_2
-
 // ============================================================================
 // implementation
 // ============================================================================
@@ -119,13 +107,13 @@
 wxChar *
 copystring (const wxChar *s)
 {
-  if (s == NULL) s = wxT("");
-  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
@@ -142,65 +130,65 @@ WXDLLIMPEXP_DATA_BASE(const wxChar *) wxDoubleToStringStr = wxT("%.2f");
 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)
 {
-  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)
 {
-  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)
 {
-  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)
 {
-  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)
 {
-  if (s && *s && number)
-    *number = wxStrtol (s, (wxChar **) NULL, 10);
+    if (s && *s && number)
+        *number = wxStrtol (s, (wxChar **) NULL, 10);
 }
 
 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)
 {
-  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
@@ -211,29 +199,29 @@ static wxChar hexArray[] = wxT("0123456789ABCDEF");
 // 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)
 {
-  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
@@ -281,7 +269,7 @@ const wxChar *wxGetInstallPrefix()
 #ifdef wxINSTALL_PREFIX
     return wxT(wxINSTALL_PREFIX);
 #else
-    return wxT("");
+    return wxEmptyString;
 #endif
 }
 
@@ -330,10 +318,10 @@ wxString wxGetEmailAddress()
     wxString email;
 
     wxString host = wxGetFullHostName();
-    if ( !host.IsEmpty() )
+    if ( !host.empty() )
     {
         wxString user = wxGetUserId();
-        if ( !user.IsEmpty() )
+        if ( !user.empty() )
         {
             email << user << wxT('@') << host;
         }
@@ -479,13 +467,14 @@ static bool ReadAll(wxInputStream *is, wxArrayString& output)
 // public versions of wxExecute() below
 static long wxDoExecuteWithCapture(const wxString& command,
                                    wxArrayString& output,
-                                   wxArrayString* error)
+                                   wxArrayString* error,
+                                   int flags)
 {
     // create a wxProcess which will capture the output
     wxProcess *process = new wxProcess;
     process->Redirect();
 
-    long rc = wxExecute(command, wxEXEC_SYNC, process);
+    long rc = wxExecute(command, wxEXEC_SYNC | flags, process);
 
 #if wxUSE_STREAMS
     if ( rc != -1 )
@@ -510,16 +499,147 @@ static long wxDoExecuteWithCapture(const wxString& command,
     return rc;
 }
 
-long wxExecute(const wxString& command, wxArrayString& output)
+long wxExecute(const wxString& command, wxArrayString& output, int flags)
 {
-    return wxDoExecuteWithCapture(command, output, NULL);
+    return wxDoExecuteWithCapture(command, output, NULL, flags);
 }
 
 long wxExecute(const wxString& command,
                wxArrayString& output,
-               wxArrayString& error)
+               wxArrayString& error,
+               int flags)
 {
-    return wxDoExecuteWithCapture(command, output, &error);
+    return wxDoExecuteWithCapture(command, output, &error, flags);
+}
+
+// ----------------------------------------------------------------------------
+// Launch default browser
+// ----------------------------------------------------------------------------
+
+bool wxLaunchDefaultBrowser(const wxString& urlOrig, int flags)
+{
+    wxUnusedVar(flags);
+
+    // set the scheme of url to http if it does not have one
+    wxString url(urlOrig);
+    if ( !wxURI(url).HasScheme() )
+        url.Prepend(wxT("http://"));
+
+#if defined(__WXMSW__)
+
+#if wxUSE_IPC
+    if ( flags & wxBROWSER_NEW_WINDOW )
+    {
+        // ShellExecuteEx() opens the URL in an existing window by default so
+        // we can't use it if we need a new window
+        wxRegKey key(wxRegKey::HKCR, url.BeforeFirst(':') + _T("\\shell\\open"));
+        if ( key.Exists() )
+        {
+            wxRegKey keyDDE(key, wxT("DDEExec"));
+            if ( keyDDE.Exists() )
+            {
+                const wxString ddeTopic = wxRegKey(keyDDE, wxT("topic"));
+
+                // we only know the syntax of WWW_OpenURL DDE request for IE,
+                // optimistically assume that all other browsers are compatible
+                // with it
+                wxString ddeCmd;
+                bool ok = ddeTopic == wxT("WWW_OpenURL");
+                if ( ok )
+                {
+                    ddeCmd = keyDDE.QueryDefaultValue();
+                    ok = !ddeCmd.empty();
+                }
+
+                if ( ok )
+                {
+                    // for WWW_OpenURL, the index of the window to open the URL
+                    // in is -1 (meaning "current") by default, replace it with
+                    // 0 which means "new" (see KB article 160957)
+                    ok = ddeCmd.Replace(wxT("-1"), wxT("0"),
+                                        false /* only first occurence */) == 1;
+                }
+
+                if ( ok )
+                {
+                    // and also replace the parameters: the topic should
+                    // contain a placeholder for the URL
+                    ok = ddeCmd.Replace(wxT("%1"), url, false) == 1;
+                }
+
+                if ( ok )
+                {
+                    // try to send it the DDE request now but ignore the errors
+                    wxLogNull noLog;
+
+                    const wxString ddeServer = wxRegKey(keyDDE, wxT("application"));
+                    if ( wxExecuteDDE(ddeServer, ddeTopic, ddeCmd) )
+                        return true;
+
+                    // this is not necessarily an error: maybe browser is
+                    // simply not running, but no matter, in any case we're
+                    // going to launch it using ShellExecuteEx() below now and
+                    // we shouldn't try to open a new window if we open a new
+                    // browser anyhow
+                }
+            }
+        }
+    }
+#endif // wxUSE_IPC
+
+    WinStruct<SHELLEXECUTEINFO> sei;
+    sei.lpFile = url.c_str();
+    sei.lpVerb = _T("open");
+    sei.nShow = SW_SHOWNORMAL;
+
+    ::ShellExecuteEx(&sei);
+
+    const int nResult = (int) sei.hInstApp;
+
+    // Firefox returns file not found for some reason, so make an exception
+    // for it
+    if ( nResult > 32 || nResult == SE_ERR_FNF )
+    {
+#ifdef __WXDEBUG__
+        // Log something if SE_ERR_FNF happens
+        if ( nResult == SE_ERR_FNF )
+            wxLogDebug(wxT("SE_ERR_FNF from ShellExecute -- maybe FireFox?"));
+#endif // __WXDEBUG__
+        return true;
+    }
+#elif wxUSE_MIMETYPE
+    // Non-windows way
+    wxFileType *ft = wxTheMimeTypesManager->GetFileTypeFromExtension (_T("html"));
+    if ( ft )
+    {
+        wxString mt;
+        ft->GetMimeType(&mt);
+
+        wxString cmd;
+        bool ok = ft->GetOpenCommand(&cmd, wxFileType::MessageParameters(url));
+        delete ft;
+
+        if ( !ok || cmd.empty() )
+        {
+            // fallback to checking for the BROWSER environment variable
+            cmd = wxGetenv(wxT("BROWSER"));
+            if ( !cmd.empty() )
+                cmd << _T(' ') << url;
+        }
+
+        if ( !cmd.empty() && wxExecute(cmd) )
+            return true;
+    }
+    else // no file type for html extension
+    {
+        wxLogError(_T("No default application configured for HTML files."));
+    }
+#endif // !wxUSE_MIMETYPE && !__WXMSW__
+
+    wxLogSysError(_T("Failed to open URL \"%s\" in default browser."),
+                  url.c_str());
+
+    return false;
 }
 
 // ----------------------------------------------------------------------------
@@ -962,4 +1082,3 @@ bool wxSetDetectableAutoRepeat( bool WXUNUSED(flag) )
 #endif // !wxGTK
 
 #endif // wxUSE_GUI
-