Added assert (WinCE doesn't report checked status correctly)

[wxWidgets.git] / src / gtk / app.cpp

diff --git a/src/gtk/app.cpp b/src/gtk/app.cpp
index b7ce136139ce62844efd135accfbe25430c97f7c..b894f1bb1c0cd2340195a08eec067a41614127cc 100644 (file)
--- a/src/gtk/app.cpp
+++ b/src/gtk/app.cpp
@@ -7,15 +7,19 @@
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 

-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)

     #pragma implementation "app.h"
 #endif
 
 #ifdef __VMS
     #pragma implementation "app.h"
 #endif
 
 #ifdef __VMS

-#include <vms_jackets.h>
+// vms_jackets.h should for proper working be included before anything else
+# include <vms_jackets.h>

 #undef ConnectionNumber
 #endif
 
 #undef ConnectionNumber
 #endif
 

+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
+

 #include "wx/app.h"
 #include "wx/gdicmn.h"
 #include "wx/utils.h"
 #include "wx/app.h"
 #include "wx/gdicmn.h"
 #include "wx/utils.h"


@@ -30,6 +34,11 @@
 #include "wx/filename.h"
 #include "wx/module.h"
 #include "wx/image.h"
 #include "wx/filename.h"
 #include "wx/module.h"
 #include "wx/image.h"

+#include "wx/thread.h"
+
+#ifdef __WXGPE__
+#include <gpe/init.h>
+#endif

 
 #ifdef __WXUNIVERSAL__
     #include "wx/univ/theme.h"
 
 #ifdef __WXUNIVERSAL__
     #include "wx/univ/theme.h"


@@ -71,7 +80,6 @@
 
 #include <gtk/gtk.h>
 
 
 #include <gtk/gtk.h>
 

-

 //-----------------------------------------------------------------------------
 // global data
 //-----------------------------------------------------------------------------
 //-----------------------------------------------------------------------------
 // global data
 //-----------------------------------------------------------------------------


@@ -89,6 +97,10 @@ extern bool g_isIdle;
 
 void wxapp_install_idle_handler();
 
 
 void wxapp_install_idle_handler();
 

+#if wxUSE_THREADS
+static wxMutex gs_idleTagsMutex;
+#endif
+

 //-----------------------------------------------------------------------------
 // wxYield
 //-----------------------------------------------------------------------------
 //-----------------------------------------------------------------------------
 // wxYield
 //-----------------------------------------------------------------------------


@@ -120,14 +132,9 @@ bool wxApp::Yield(bool onlyIfNeeded)
 
     wxIsInsideYield = TRUE;
 
 
     wxIsInsideYield = TRUE;
 

-    if (!g_isIdle)
-    {
-        // We need to remove idle callbacks or the loop will
-        // never finish.
-        gtk_idle_remove( m_idleTag );
-        m_idleTag = 0;
-        g_isIdle = TRUE;
-    }
+    // We need to remove idle callbacks or the loop will
+    // never finish.
+    wxTheApp->RemoveIdleTag();

 
     // disable log flushing from here because a call to wxYield() shouldn't
     // normally result in message boxes popping up &c
 
     // disable log flushing from here because a call to wxYield() shouldn't
     // normally result in message boxes popping up &c


@@ -156,20 +163,30 @@ bool wxApp::Yield(bool onlyIfNeeded)
 // wxWakeUpIdle
 //-----------------------------------------------------------------------------
 
 // wxWakeUpIdle
 //-----------------------------------------------------------------------------
 

+// RR/KH: The wxMutexGui calls are not needed on GTK2 according to
+// the GTK faq, http://www.gtk.org/faq/#AEN500
+// The calls to gdk_threads_enter() and leave() are specifically noted
+// as not being necessary.  The MutexGui calls are still left in for GTK1.
+// Eliminating the MutexGui calls fixes the long-standing "random" lockup
+// when using wxPostEvent (which calls WakeUpIdle) from a thread.
+

 void wxApp::WakeUpIdle()
 {
 void wxApp::WakeUpIdle()
 {

+#ifndef __WXGTK20__

 #if wxUSE_THREADS
     if (!wxThread::IsMain())
         wxMutexGuiEnter();
 #if wxUSE_THREADS
     if (!wxThread::IsMain())
         wxMutexGuiEnter();

-#endif
+#endif // wxUSE_THREADS_
+#endif // __WXGTK2__

 
 

-    if (g_isIdle)
-        wxapp_install_idle_handler();
+    wxapp_install_idle_handler();

 
 

+#ifndef __WXGTK20__

 #if wxUSE_THREADS
     if (!wxThread::IsMain())
         wxMutexGuiLeave();
 #if wxUSE_THREADS
     if (!wxThread::IsMain())
         wxMutexGuiLeave();

-#endif
+#endif // wxUSE_THREADS_
+#endif // __WXGTK2__

 }
 
 //-----------------------------------------------------------------------------
 }
 
 //-----------------------------------------------------------------------------


@@ -192,7 +209,12 @@ static gint wxapp_pending_callback( gpointer WXUNUSED(data) )
     // Sent idle event to all who request them.
     wxTheApp->ProcessPendingEvents();
 
     // Sent idle event to all who request them.
     wxTheApp->ProcessPendingEvents();
 

-    g_pendingTag = 0;
+    {
+#if wxUSE_THREADS
+        wxMutexLocker lock(gs_idleTagsMutex);
+#endif
+        g_pendingTag = 0;
+    }

 
     // Flush the logged messages if any.
 #if wxUSE_LOG
 
     // Flush the logged messages if any.
 #if wxUSE_LOG


@@ -240,8 +262,13 @@ static gint wxapp_idle_callback( gpointer WXUNUSED(data) )
 
     // Indicate that we are now in idle mode and event handlers
     // will have to reinstall the idle handler again.
 
     // Indicate that we are now in idle mode and event handlers
     // will have to reinstall the idle handler again.

-    g_isIdle = TRUE;
-    wxTheApp->m_idleTag = 0;
+    {
+#if wxUSE_THREADS
+        wxMutexLocker lock(gs_idleTagsMutex);
+#endif
+        g_isIdle = TRUE;
+        wxTheApp->m_idleTag = 0;
+    }

 
     // Send idle event to all who request them as long as
     // no events have popped up in the event queue.
 
     // Send idle event to all who request them as long as
     // no events have popped up in the event queue.


@@ -349,6 +376,15 @@ static gint wxapp_poll_func( GPollFD *ufds, guint nfds, gint timeout )
 
 void wxapp_install_idle_handler()
 {
 
 void wxapp_install_idle_handler()
 {

+#if wxUSE_THREADS
+    wxMutexLocker lock(gs_idleTagsMutex);
+#endif
+
+    // Don't install the handler if it's already installed. This test *MUST*
+    // be done when gs_idleTagsMutex is locked!
+    if (!g_isIdle)
+        return;
+

     // GD: this assert is raised when using the thread sample (which works)
     //     so the test is probably not so easy. Can widget callbacks be
     //     triggered from child threads and, if so, for which widgets?
     // GD: this assert is raised when using the thread sample (which works)
     //     so the test is probably not so easy. Can widget callbacks be
     //     triggered from child threads and, if so, for which widgets?


@@ -390,17 +426,17 @@ GtkWidget* wxGetRootWindow()
 IMPLEMENT_DYNAMIC_CLASS(wxApp,wxEvtHandler)
 
 BEGIN_EVENT_TABLE(wxApp, wxEvtHandler)
 IMPLEMENT_DYNAMIC_CLASS(wxApp,wxEvtHandler)
 
 BEGIN_EVENT_TABLE(wxApp, wxEvtHandler)

-    EVT_IDLE(wxApp::OnIdle)
+    EVT_IDLE(wxAppBase::OnIdle)

 END_EVENT_TABLE()
 
 wxApp::wxApp()
 {
 END_EVENT_TABLE()
 
 wxApp::wxApp()
 {

-    m_initialized = FALSE;

 #ifdef __WXDEBUG__
     m_isInAssert = FALSE;
 #endif // __WXDEBUG__
 
     m_idleTag = 0;
 #ifdef __WXDEBUG__
     m_isInAssert = FALSE;
 #endif // __WXDEBUG__
 
     m_idleTag = 0;

+    g_isIdle = TRUE;

     wxapp_install_idle_handler();
 
 #if wxUSE_THREADS
     wxapp_install_idle_handler();
 
 #if wxUSE_THREADS


@@ -534,156 +570,22 @@ GdkVisual *wxApp::GetGdkVisual()
     return visual;
 }
 
     return visual;
 }
 

-bool wxApp::ProcessIdle()
-{
-    wxWindowList::Node* node = wxTopLevelWindows.GetFirst();
-    node = wxTopLevelWindows.GetFirst();
-    while (node)
-    {
-        wxWindow* win = node->GetData();
-        CallInternalIdle( win );
-
-        node = node->GetNext();
-    }
-
-    wxIdleEvent event;
-    event.SetEventObject( this );
-    ProcessEvent( event );
-
-    return event.MoreRequested();
-}
-
-void wxApp::OnIdle( wxIdleEvent &event )
-{
-    static bool s_inOnIdle = FALSE;
-
-    // Avoid recursion (via ProcessEvent default case)
-    if (s_inOnIdle)
-        return;
-
-    s_inOnIdle = TRUE;
-
-    // Resend in the main thread events which have been prepared in other
-    // threads
-    ProcessPendingEvents();
-
-    // 'Garbage' collection of windows deleted with Close()
-    DeletePendingObjects();
-
-    // Send OnIdle events to all windows
-    bool needMore = SendIdleEvents();
-
-    if (needMore)
-        event.RequestMore(TRUE);
-
-    s_inOnIdle = FALSE;
-}
-
-bool wxApp::SendIdleEvents()
-{
-    bool needMore = FALSE;
-
-    wxWindowList::Node* node = wxTopLevelWindows.GetFirst();
-    while (node)
-    {
-        wxWindow* win = node->GetData();
-        if (SendIdleEvents(win))
-            needMore = TRUE;
-
-        node = node->GetNext();
-    }
-
-    return needMore;
-}
-
-bool wxApp::CallInternalIdle( wxWindow* win )
-{
-    win->OnInternalIdle();
-
-    wxWindowList::Node  *node = win->GetChildren().GetFirst();
-    while (node)
-    {
-        wxWindow    *win = node->GetData();
-
-        CallInternalIdle( win );
-        node = node->GetNext();
-    }
-
-    return TRUE;
-}
-
-bool wxApp::SendIdleEvents( wxWindow* win )
-{
-    bool needMore = FALSE;
-
-    wxIdleEvent event;
-    event.SetEventObject(win);
-
-    win->GetEventHandler()->ProcessEvent(event);
-
-    if (event.MoreRequested())
-        needMore = TRUE;
-
-    wxWindowList::Node  *node = win->GetChildren().GetFirst();
-    while (node)
-    {
-        wxWindow    *win = node->GetData();
-
-        if (SendIdleEvents(win))
-            needMore = TRUE;
-        node = node->GetNext();
-    }
-
-    return needMore;
-}
-
-int wxApp::MainLoop()
-{
-    gtk_main();
-    return 0;
-}
-
-void wxApp::Exit()
-{
-    // VZ: no idea why is it different from ExitMainLoop() but this is what
-    //     wxExit() used to do
-    gtk_main_quit();
-}
-
-void wxApp::ExitMainLoop()
-{
-    if (gtk_main_level() > 0)
-        gtk_main_quit();
-}
-
-bool wxApp::Initialized()
-{
-    return m_initialized;
-}
-
-bool wxApp::Pending()
-{
-    return (gtk_events_pending() > 0);
-}
-
-void wxApp::Dispatch()
-{
-    gtk_main_iteration();
-}
-

 bool wxApp::Initialize(int& argc, wxChar **argv)
 {
 bool wxApp::Initialize(int& argc, wxChar **argv)
 {

+    bool init_result;
+    

 #if wxUSE_THREADS
     // GTK 1.2 up to version 1.2.3 has broken threads
     if ((gtk_major_version == 1) &&
         (gtk_minor_version == 2) &&
         (gtk_micro_version < 4))
     {
 #if wxUSE_THREADS
     // GTK 1.2 up to version 1.2.3 has broken threads
     if ((gtk_major_version == 1) &&
         (gtk_minor_version == 2) &&
         (gtk_micro_version < 4))
     {

-        printf( "wxWindows warning: GUI threading disabled due to outdated GTK version\n" );
+        printf( "wxWidgets warning: GUI threading disabled due to outdated GTK version\n" );

     }
     else
     {
     }
     else
     {

-        g_thread_init(NULL);
+        if (!g_thread_supported())
+            g_thread_init(NULL);

     }
 #endif // wxUSE_THREADS
 
     }
 #endif // wxUSE_THREADS
 


@@ -706,7 +608,7 @@ bool wxApp::Initialize(int& argc, wxChar **argv)
 #if wxUSE_UNICODE
     // gtk_init() wants UTF-8, not wchar_t, so convert
     int i;
 #if wxUSE_UNICODE
     // gtk_init() wants UTF-8, not wchar_t, so convert
     int i;

-    char *argvGTK = new char *[argc + 1];
+    char **argvGTK = new char *[argc + 1];

     for ( i = 0; i < argc; i++ )
     {
         argvGTK[i] = wxStrdupA(wxConvUTF8.cWX2MB(argv[i]));
     for ( i = 0; i < argc; i++ )
     {
         argvGTK[i] = wxStrdupA(wxConvUTF8.cWX2MB(argv[i]));


@@ -715,14 +617,20 @@ bool wxApp::Initialize(int& argc, wxChar **argv)
     argvGTK[argc] = NULL;
 
     int argcGTK = argc;
     argvGTK[argc] = NULL;
 
     int argcGTK = argc;

-    gtk_init( &argcGTK, &argvGTK );
+    
+#ifdef __WXGPE__
+    init_result = true;  // is there a _check() version of this?
+    gpe_application_init( &argcGTK, &argvGTK );
+#else
+    init_result = gtk_init_check( &argcGTK, &argvGTK );
+#endif

 
     if ( argcGTK != argc )
     {
         // we have to drop the parameters which were consumed by GTK+
         for ( i = 0; i < argcGTK; i++ )
         {
 
     if ( argcGTK != argc )
     {
         // we have to drop the parameters which were consumed by GTK+
         for ( i = 0; i < argcGTK; i++ )
         {

-            while ( wxStrcmp(wxConvUTF8.cWX2MB(argv[i]), argvGTK[i]) != 0 )
+            while ( strcmp(wxConvUTF8.cWX2MB(argv[i]), argvGTK[i]) != 0 )

             {
                 memmove(argv + i, argv + i + 1, argc - i);
             }
             {
                 memmove(argv + i, argv + i + 1, argc - i);
             }


@@ -742,9 +650,14 @@ bool wxApp::Initialize(int& argc, wxChar **argv)
 #else // !wxUSE_UNICODE
     // gtk_init() shouldn't actually change argv itself (just its contents) so
     // it's ok to pass pointer to it
 #else // !wxUSE_UNICODE
     // gtk_init() shouldn't actually change argv itself (just its contents) so
     // it's ok to pass pointer to it

-    gtk_init( &argc, &argv );
+    init_result = gtk_init_check( &argc, &argv );

 #endif // wxUSE_UNICODE/!wxUSE_UNICODE
 
 #endif // wxUSE_UNICODE/!wxUSE_UNICODE
 

+    if (!init_result) {
+        wxLogError(wxT("Unable to initialize gtk, is DISPLAY set properly?"));
+        return false;
+    }
+    

     // we can not enter threads before gtk_init is done
     gdk_threads_enter();
 
     // we can not enter threads before gtk_init is done
     gdk_threads_enter();
 


@@ -761,8 +674,6 @@ bool wxApp::Initialize(int& argc, wxChar **argv)
     wxFont::SetDefaultEncoding(wxLocale::GetSystemEncoding());
 #endif
 
     wxFont::SetDefaultEncoding(wxLocale::GetSystemEncoding());
 #endif
 

-    wxGetRootWindow();
-

     return true;
 }
 
     return true;
 }
 


@@ -786,3 +697,15 @@ void wxApp::OnAssert(const wxChar *file, int line, const wxChar* cond, const wxC
 
 #endif // __WXDEBUG__
 
 
 #endif // __WXDEBUG__
 

+void wxApp::RemoveIdleTag()
+{
+#if wxUSE_THREADS
+    wxMutexLocker lock(gs_idleTagsMutex);
+#endif
+    if (!g_isIdle)
+    {
+        gtk_idle_remove( wxTheApp->m_idleTag );
+        wxTheApp->m_idleTag = 0;
+        g_isIdle = TRUE;
+    }
+}