fixed event processing for the target window

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

diff --git a/src/common/appcmn.cpp b/src/common/appcmn.cpp
index 761c50b9ff26b68aa01956de8fdb14a4d156dfea..ce42b0dd1fff6c405027dc07630e39fb3565114a 100644 (file)
--- a/src/common/appcmn.cpp
+++ b/src/common/appcmn.cpp
@@ -30,20 +30,33 @@
 
 #ifndef WX_PRECOMP
     #include "wx/app.h"
 
 #ifndef WX_PRECOMP
     #include "wx/app.h"

+    #include "wx/intl.h"

     #include "wx/list.h"
     #include "wx/list.h"

+    #if wxUSE_GUI
+        #include "wx/msgdlg.h"
+    #endif // wxUSE_GUI

 #endif
 
 #endif
 

+#include "wx/cmdline.h"

 #include "wx/thread.h"
 #include "wx/confbase.h"
 
 #include "wx/thread.h"
 #include "wx/confbase.h"
 

-#ifdef __WXUNIVERSAL__
-    #include "wx/univ/theme.h"
-#endif // __WXUNIVERSAL__
+#if !defined(__WXMSW__) || defined(__WXMICROWIN__)
+  #include  <signal.h>      // for SIGTRAP used by wxTrap()
+#endif  //Win/Unix
+
+#if defined(__WXMSW__)
+  #include  "wx/msw/private.h"  // includes windows.h for MessageBox()
+#endif

 
 // ===========================================================================
 // implementation
 // ===========================================================================
 
 
 // ===========================================================================
 // implementation
 // ===========================================================================
 

+// ----------------------------------------------------------------------------
+// initialization and termination
+// ----------------------------------------------------------------------------
+

 wxAppBase::wxAppBase()
 {
     wxTheApp = (wxApp *)this;
 wxAppBase::wxAppBase()
 {
     wxTheApp = (wxApp *)this;


@@ -59,15 +72,11 @@ wxAppBase::wxAppBase()
 #endif // wxUSE_GUI
 }
 
 #endif // wxUSE_GUI
 }
 

-// ----------------------------------------------------------------------------
-// initialization and termination
-// ----------------------------------------------------------------------------
-

 #if wxUSE_GUI
 bool wxAppBase::OnInitGui()
 {
 #ifdef __WXUNIVERSAL__
 #if wxUSE_GUI
 bool wxAppBase::OnInitGui()
 {
 #ifdef __WXUNIVERSAL__

-    if ( !wxTheme::CreateDefault() )
+    if ( !wxTheme::Get() && !wxTheme::CreateDefault() )

         return FALSE;
 #endif // __WXUNIVERSAL__
 
         return FALSE;
 #endif // __WXUNIVERSAL__
 


@@ -130,25 +139,320 @@ void wxAppBase::ProcessPendingEvents()
 
 #if wxUSE_GUI
 
 
 #if wxUSE_GUI
 

-void wxAppBase::SetActive(bool active, wxWindow *lastFocus)
+void wxAppBase::SetActive(bool active, wxWindow * WXUNUSED(lastFocus))

 {
 {

-    static wxWindow *s_lastFocus = (wxWindow *)NULL;
+    if ( active == m_isActive )
+        return;

 
     m_isActive = active;
 
 
     m_isActive = active;
 

-    // if we're being deactivated remember the last focused window
-    if ( !active )
+    wxActivateEvent event(wxEVT_ACTIVATE_APP, active);
+    event.SetEventObject(this);
+
+    (void)ProcessEvent(event);
+}
+
+#endif // wxUSE_GUI
+
+// ----------------------------------------------------------------------------
+// cmd line parsing
+// ----------------------------------------------------------------------------
+
+bool wxAppBase::OnInit()
+{
+#if wxUSE_CMDLINE_PARSER
+    wxCmdLineParser parser(argc, argv);
+
+    OnInitCmdLine(parser);
+
+    bool cont;
+    switch ( parser.Parse() )
+    {
+        case -1:
+            cont = OnCmdLineHelp(parser);
+            break;
+
+        case 0:
+            cont = OnCmdLineParsed(parser);
+            break;
+
+        default:
+            cont = OnCmdLineError(parser);
+            break;
+    }
+
+    if ( !cont )
+        return FALSE;
+#endif // wxUSE_CMDLINE_PARSER
+
+    return TRUE;
+}
+
+#if wxUSE_CMDLINE_PARSER
+
+#define OPTION_VERBOSE _T("verbose")
+#define OPTION_THEME   _T("theme")
+#define OPTION_MODE    _T("mode")
+
+void wxAppBase::OnInitCmdLine(wxCmdLineParser& parser)
+{
+    // the standard command line options
+    static const wxCmdLineEntryDesc cmdLineDesc[] =
+    {
+        {
+            wxCMD_LINE_SWITCH,
+            _T("h"),
+            _T("help"),
+            gettext_noop("show this help message"),
+            wxCMD_LINE_VAL_NONE,
+            wxCMD_LINE_OPTION_HELP
+        },
+
+#if wxUSE_LOG
+        {
+            wxCMD_LINE_SWITCH,
+            _T(""),
+            OPTION_VERBOSE,
+            gettext_noop("generate verbose log messages")
+        },
+#endif // wxUSE_LOG
+
+#ifdef __WXUNIVERSAL__
+        {
+            wxCMD_LINE_OPTION,
+            _T(""),
+            OPTION_THEME,
+            gettext_noop("specify the theme to use"),
+            wxCMD_LINE_VAL_STRING
+        },
+#endif // __WXUNIVERSAL__
+
+#if defined(__WXMGL__)
+        // VS: this is not specific to wxMGL, all fullscreen (framebuffer) ports
+        //     should provide this option. That's why it is in common/appcmn.cpp
+        //     and not mgl/app.cpp
+        {
+            wxCMD_LINE_OPTION,
+            _T(""),
+            OPTION_MODE,
+            gettext_noop("specify display mode to use (e.g. 640x480-16)"),
+            wxCMD_LINE_VAL_STRING
+        },
+#endif // __WXMGL__
+
+        // terminator
+        { wxCMD_LINE_NONE }
+    };
+
+    parser.SetDesc(cmdLineDesc);
+}
+
+bool wxAppBase::OnCmdLineParsed(wxCmdLineParser& parser)
+{
+#if wxUSE_LOG
+    if ( parser.Found(OPTION_VERBOSE) )
+    {
+        wxLog::SetVerbose(TRUE);
+    }
+#endif // wxUSE_LOG
+
+#ifdef __WXUNIVERSAL__
+    wxString themeName;
+    if ( parser.Found(OPTION_THEME, &themeName) )
+    {
+        wxTheme *theme = wxTheme::Create(themeName);
+        if ( !theme )
+        {
+            wxLogError(_("Unsupported theme '%s'."), themeName.c_str());
+
+            return FALSE;
+        }
+
+        wxTheme::Set(theme);
+    }
+#endif // __WXUNIVERSAL__
+
+#if defined(__WXMGL__)
+    wxString modeDesc;
+    if ( parser.Found(OPTION_MODE, &modeDesc) )
+    {
+        unsigned w, h, bpp;
+        if ( wxSscanf(modeDesc.c_str(), _T("%ux%u-%u"), &w, &h, &bpp) != 3 )
+        {
+            wxLogError(_("Invalid display mode specification '%s'."), modeDesc.c_str());
+
+            return FALSE;
+        }
+
+        if ( !SetDisplayMode(wxDisplayModeInfo(w, h, bpp)) )
+            return FALSE;
+    }
+#endif
+
+    return TRUE;
+}
+
+bool wxAppBase::OnCmdLineHelp(wxCmdLineParser& parser)
+{
+    parser.Usage();
+
+    return FALSE;
+}
+
+bool wxAppBase::OnCmdLineError(wxCmdLineParser& parser)
+{
+    parser.Usage();
+
+    return FALSE;
+}
+
+#endif // wxUSE_CMDLINE_PARSER
+
+// ----------------------------------------------------------------------------
+// debugging support
+// ----------------------------------------------------------------------------
+
+#ifdef  __WXDEBUG__
+
+// wxASSERT() helper
+bool wxAssertIsEqual(int x, int y)
+{
+    return x == y;
+}
+
+// break into the debugger
+void wxTrap()
+{
+#if defined(__WXMSW__) && !defined(__WXMICROWIN__)
+    DebugBreak();
+#elif defined(__WXMAC__) && !defined(__DARWIN__)
+#if __powerc
+    Debugger();
+#else
+    SysBreak();
+#endif
+#elif defined(__UNIX__)
+    raise(SIGTRAP);
+#else
+    // TODO
+#endif // Win/Unix
+}
+
+// show the assert modal dialog
+static
+void ShowAssertDialog(const wxChar *szFile, int nLine, const wxChar *szMsg)
+{
+    // this variable can be set to true to suppress "assert failure" messages
+    static bool s_bNoAsserts = FALSE;
+
+    wxChar szBuf[4096];
+
+    // make life easier for people using VC++ IDE: clicking on the message
+    // will take us immediately to the place of the failed assert
+    wxSnprintf(szBuf, WXSIZEOF(szBuf),
+#ifdef __VISUALC__
+               wxT("%s(%d): assert failed"),
+#else  // !VC++
+    // make the error message more clear for all the others
+               wxT("Assert failed in file %s at line %d"),
+#endif // VC/!VC
+               szFile, nLine);
+
+    if ( szMsg != NULL )

     {
     {

-        s_lastFocus = lastFocus;
+        wxStrcat(szBuf, wxT(": "));
+        wxStrcat(szBuf, szMsg);
+    }
+    else // no message given
+    {
+        wxStrcat(szBuf, wxT("."));

     }
 
     }
 

-    if ( s_lastFocus )
+    if ( !s_bNoAsserts )

     {
     {

-        // give the focused window the chance to refresh itself if its
-        // appearance depends on the app activation state
-        wxActivateEvent event(wxEVT_ACTIVATE, active);
-        s_lastFocus->GetEventHandler()->ProcessEvent(event);
+        // send it to the normal log destination
+        wxLogDebug(szBuf);
+
+#if (wxUSE_GUI && wxUSE_MSGDLG) || defined(__WXMSW__)
+        // this message is intentionally not translated - it is for
+        // developpers only
+        wxStrcat(szBuf, wxT("\nDo you want to stop the program?\nYou can also choose [Cancel] to suppress further warnings."));
+
+        // use the native message box if available: this is more robust than
+        // using our own
+#if defined(__WXMSW__) && !defined(__WXMICROWIN__)
+        switch ( ::MessageBox(NULL, szBuf, _T("Debug"),
+                              MB_YESNOCANCEL | MB_ICONSTOP ) )
+        {
+            case IDYES:
+                wxTrap();
+                break;
+
+            case IDCANCEL:
+                s_bNoAsserts = TRUE;
+                break;
+
+            //case IDNO: nothing to do
+        }
+#else // !MSW
+        switch ( wxMessageBox(szBuf, wxT("Debug"),
+                              wxYES_NO | wxCANCEL | wxICON_STOP ) )
+        {
+            case wxYES:
+                wxTrap();
+                break;
+
+            case wxCANCEL:
+                s_bNoAsserts = TRUE;
+                break;
+
+            //case wxNO: nothing to do
+        }
+#endif // GUI or MSW
+
+#else // !GUI
+        wxTrap();
+#endif // GUI/!GUI

     }
 }
 
     }
 }
 

-#endif // wxUSE_GUI
+// this function is called when an assert fails
+void wxOnAssert(const wxChar *szFile, int nLine, const wxChar *szMsg)
+{
+    // FIXME MT-unsafe
+    static bool s_bInAssert = FALSE;
+
+    if ( s_bInAssert )
+    {
+        // He-e-e-e-elp!! we're trapped in endless loop
+        wxTrap();
+
+        s_bInAssert = FALSE;
+
+        return;
+    }
+
+    s_bInAssert = TRUE;
+
+    if ( !wxTheApp )
+    {
+        // by default, show the assert dialog box - we can't customize this
+        // behaviour
+        ShowAssertDialog(szFile, nLine, szMsg);
+    }
+    else
+    {
+        // let the app process it as it wants
+        wxTheApp->OnAssert(szFile, nLine, szMsg);
+    }
+
+    s_bInAssert = FALSE;
+}
+
+void wxAppBase::OnAssert(const wxChar *file, int line, const wxChar *msg)
+{
+    ShowAssertDialog(file, line, msg);
+}
+
+#endif  //WXDEBUG
+