an implementation of wxListBox::SetFirstItem() which seems to work

[wxWidgets.git] / src / gtk1 / app.cpp

diff --git a/src/gtk1/app.cpp b/src/gtk1/app.cpp
index 43a5a92aa9535f015f60ce647302d527bd17dd09..b452afc77adb23d03d08a6114623c815917e7099 100644 (file)
--- a/src/gtk1/app.cpp
+++ b/src/gtk1/app.cpp
@@ -29,7 +29,7 @@
 #include "wx/image.h"
 
 #if wxUSE_THREADS
 #include "wx/image.h"
 
 #if wxUSE_THREADS

-#include "wx/thread.h"
+    #include "wx/thread.h"

 #endif
 
 #include <unistd.h>
 #endif
 
 #include <unistd.h>


@@ -49,6 +49,10 @@ wxAppInitializerFunction wxAppBase::m_appInitFn = (wxAppInitializerFunction) NUL
 
 extern bool g_isIdle;
 
 
 extern bool g_isIdle;
 

+bool g_mainThreadLocked = FALSE;
+
+GtkWidget *wxRootWindow = (GtkWidget*) NULL;
+

 //-----------------------------------------------------------------------------
 // local functions
 //-----------------------------------------------------------------------------
 //-----------------------------------------------------------------------------
 // local functions
 //-----------------------------------------------------------------------------


@@ -89,16 +93,24 @@ bool wxYield()
     while (gtk_events_pending())
         gtk_main_iteration();
 
     while (gtk_events_pending())
         gtk_main_iteration();
 

+    if (has_idle)
+    {
+        /* re-add idle handler (very low priority) */
+        wxTheApp->m_idleTag = gtk_idle_add_priority( 1000, wxapp_idle_callback, (gpointer) NULL );
+    }
+
+    // disable log flushing from here because a call to wxYield() shouldn't
+    // normally result in message boxes popping up &c
+    wxLog::Suspend();
+

     /* it's necessary to call ProcessIdle() to update the frames sizes which
        might have been changed (it also will update other things set from
        OnUpdateUI() which is a nice (and desired) side effect) */
     /* it's necessary to call ProcessIdle() to update the frames sizes which
        might have been changed (it also will update other things set from
        OnUpdateUI() which is a nice (and desired) side effect) */

-    while (wxTheApp->ProcessIdle()) { }
+    while (wxTheApp->ProcessIdle())
+        ;

 
 

-    if (has_idle)
-    {
-        /* re-add idle handler */
-        wxTheApp->m_idleTag = gtk_idle_add( wxapp_idle_callback, (gpointer) NULL );
-    }
+    // let the logs be flashed again
+    wxLog::Resume();

 
     return TRUE;
 }
 
     return TRUE;
 }


@@ -114,9 +126,9 @@ void wxWakeUpIdle()
         wxMutexGuiEnter();
 #endif
 
         wxMutexGuiEnter();
 #endif
 

-    if (g_isIdle) 
+    if (g_isIdle)

         wxapp_install_idle_handler();
         wxapp_install_idle_handler();

-    
+

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


@@ -136,9 +148,6 @@ gint wxapp_idle_callback( gpointer WXUNUSED(data) )
     // thread so we must lock it here ourselves
     gdk_threads_enter();
 
     // thread so we must lock it here ourselves
     gdk_threads_enter();
 

-    /* sent idle event to all who request them */
-    while (wxTheApp->ProcessIdle()) { }
-

     /* we don't want any more idle events until the next event is
        sent to wxGTK */
     gtk_idle_remove( wxTheApp->m_idleTag );
     /* we don't want any more idle events until the next event is
        sent to wxGTK */
     gtk_idle_remove( wxTheApp->m_idleTag );


@@ -151,6 +160,9 @@ gint wxapp_idle_callback( gpointer WXUNUSED(data) )
        emptied */
     g_isIdle = TRUE;
 
        emptied */
     g_isIdle = TRUE;
 

+    /* sent idle event to all who request them */
+    while (wxTheApp->ProcessIdle()) { }
+

     // release lock again
     gdk_threads_leave();
 
     // release lock again
     gdk_threads_leave();
 


@@ -165,9 +177,9 @@ void wxapp_install_idle_handler()
        indicating that the idle is over. It may also
        get called from other thread for sending events
        to the main thread (and processing these in
        indicating that the idle is over. It may also
        get called from other thread for sending events
        to the main thread (and processing these in

-       idle time). */
+       idle time). Very low priority. */

 
 

-    wxTheApp->m_idleTag = gtk_idle_add( wxapp_idle_callback, (gpointer) NULL );
+    wxTheApp->m_idleTag = gtk_idle_add_priority( 1000, wxapp_idle_callback, (gpointer) NULL );

 
     g_isIdle = FALSE;
 }
 
     g_isIdle = FALSE;
 }


@@ -178,7 +190,7 @@ void wxapp_install_thread_wakeup()
 {
     if (wxTheApp->m_wakeUpTimerTag) return;
 
 {
     if (wxTheApp->m_wakeUpTimerTag) return;
 

-    wxTheApp->m_wakeUpTimerTag = gtk_timeout_add( 500, wxapp_wakeup_timerout_callback, (gpointer) NULL );
+    wxTheApp->m_wakeUpTimerTag = gtk_timeout_add( 50, wxapp_wakeup_timerout_callback, (gpointer) NULL );

 }
 
 void wxapp_uninstall_thread_wakeup()
 }
 
 void wxapp_uninstall_thread_wakeup()


@@ -201,17 +213,21 @@ gint wxapp_wakeup_timerout_callback( gpointer WXUNUSED(data) )
     // unblock other threads wishing to do some GUI things
     wxMutexGuiLeave();
 
     // unblock other threads wishing to do some GUI things
     wxMutexGuiLeave();
 

+    g_mainThreadLocked = TRUE;
+

     // wake up other threads
     wxUsleep( 1 );
 
     // block other thread again
     wxMutexGuiEnter();
 
     // wake up other threads
     wxUsleep( 1 );
 
     // block other thread again
     wxMutexGuiEnter();
 

+    g_mainThreadLocked = FALSE;
+

     wxapp_install_thread_wakeup();
 
     // release lock again
     gdk_threads_leave();
     wxapp_install_thread_wakeup();
 
     // release lock again
     gdk_threads_leave();

-    
+

     return TRUE;
 }
 
     return TRUE;
 }
 


@@ -234,7 +250,7 @@ wxApp::wxApp()
     m_topWindow = (wxWindow *) NULL;
     m_exitOnFrameDelete = TRUE;
 
     m_topWindow = (wxWindow *) NULL;
     m_exitOnFrameDelete = TRUE;
 

-    m_idleTag = gtk_idle_add( wxapp_idle_callback, (gpointer) NULL );
+    m_idleTag = gtk_idle_add_priority( 1000, wxapp_idle_callback, (gpointer) NULL );

 
 #if wxUSE_THREADS
     m_wakeUpTimerTag = 0;
 
 #if wxUSE_THREADS
     m_wakeUpTimerTag = 0;


@@ -242,6 +258,8 @@ wxApp::wxApp()
 #endif
 
     m_colorCube = (unsigned char*) NULL;
 #endif
 
     m_colorCube = (unsigned char*) NULL;

+
+    m_useBestVisual = FALSE;

 }
 
 wxApp::~wxApp()
 }
 
 wxApp::~wxApp()


@@ -262,18 +280,23 @@ bool wxApp::OnInitGui()
     /* on some machines, the default visual is just 256 colours, so
        we make sure we get the best. this can sometimes be wasteful,
        of course, but what do these guys pay $30.000 for? */
     /* on some machines, the default visual is just 256 colours, so
        we make sure we get the best. this can sometimes be wasteful,
        of course, but what do these guys pay $30.000 for? */

-/*
-    if (gdk_visual_get_best() != gdk_visual_get_system())
+
+    if ((gdk_visual_get_best() != gdk_visual_get_system()) &&
+        (m_useBestVisual))

     {
     {

+#ifdef __WXGTK20__
+        /* seems gtk_widget_set_default_visual no longer exists? */
+        GdkVisual* vis = gtk_widget_get_default_visual();
+#else

         GdkVisual* vis = gdk_visual_get_best();
         gtk_widget_set_default_visual( vis );
         GdkVisual* vis = gdk_visual_get_best();
         gtk_widget_set_default_visual( vis );

+#endif

 
         GdkColormap *colormap = gdk_colormap_new( vis, FALSE );
         gtk_widget_set_default_colormap( colormap );
 
         visual = vis;
     }
 
         GdkColormap *colormap = gdk_colormap_new( vis, FALSE );
         gtk_widget_set_default_colormap( colormap );
 
         visual = vis;
     }

-*/

 
     /* Nothing to do for 15, 16, 24, 32 bit displays */
     if (visual->depth > 8) return TRUE;
 
     /* Nothing to do for 15, 16, 24, 32 bit displays */
     if (visual->depth > 8) return TRUE;


@@ -360,13 +383,6 @@ void wxApp::OnIdle( wxIdleEvent &event )
     /* 'Garbage' collection of windows deleted with Close(). */
     DeletePendingObjects();
 
     /* 'Garbage' collection of windows deleted with Close(). */
     DeletePendingObjects();
 

-    /* flush the logged messages if any */
-#if wxUSE_LOG
-    wxLog *log = wxLog::GetActiveTarget();
-    if (log != NULL && log->HasPendingMessages())
-        log->Flush();
-#endif // wxUSE_LOG
-

     /* Send OnIdle events to all windows */
     bool needMore = SendIdleEvents();
 
     /* Send OnIdle events to all windows */
     bool needMore = SendIdleEvents();
 


@@ -374,6 +390,11 @@ void wxApp::OnIdle( wxIdleEvent &event )
         event.RequestMore(TRUE);
 
     s_inOnIdle = FALSE;
         event.RequestMore(TRUE);
 
     s_inOnIdle = FALSE;

+
+    /* flush the logged messages if any */
+#if wxUSE_LOG
+    wxLog::FlushActive();
+#endif // wxUSE_LOG

 }
 
 bool wxApp::SendIdleEvents()
 }
 
 bool wxApp::SendIdleEvents()


@@ -399,7 +420,7 @@ bool wxApp::SendIdleEvents( wxWindow* win )
     wxIdleEvent event;
     event.SetEventObject(win);
 
     wxIdleEvent event;
     event.SetEventObject(win);
 

-    win->ProcessEvent(event);
+    win->GetEventHandler()->ProcessEvent(event);

 
     win->OnInternalIdle();
 
 
     win->OnInternalIdle();
 


@@ -476,17 +497,16 @@ bool wxApp::Initialize()
     wxPendingEventsLocker = new wxCriticalSection();
 #endif
 
     wxPendingEventsLocker = new wxCriticalSection();
 #endif
 

-/*
-    wxTheFontNameDirectory =  new wxFontNameDirectory;
-    wxTheFontNameDirectory->Initialize();
-*/
-

     wxTheColourDatabase = new wxColourDatabase( wxKEY_STRING );
     wxTheColourDatabase->Initialize();
 
     wxInitializeStockLists();
     wxInitializeStockObjects();
 
     wxTheColourDatabase = new wxColourDatabase( wxKEY_STRING );
     wxTheColourDatabase->Initialize();
 
     wxInitializeStockLists();
     wxInitializeStockObjects();
 

+#if wxUSE_WX_RESOURCES
+    wxInitializeResourceSystem();
+#endif
+

     wxModule::RegisterModules();
     if (!wxModule::InitializeModules()) return FALSE;
 
     wxModule::RegisterModules();
     if (!wxModule::InitializeModules()) return FALSE;
 


@@ -497,14 +517,14 @@ void wxApp::CleanUp()
 {
     wxModule::CleanUpModules();
 
 {
     wxModule::CleanUpModules();
 

+#if wxUSE_WX_RESOURCES
+    wxCleanUpResourceSystem();
+#endif
+

     if (wxTheColourDatabase)
         delete wxTheColourDatabase;
     if (wxTheColourDatabase)
         delete wxTheColourDatabase;

-    wxTheColourDatabase = (wxColourDatabase*) NULL;

 
 

-/*
-    if (wxTheFontNameDirectory) delete wxTheFontNameDirectory;
-    wxTheFontNameDirectory = (wxFontNameDirectory*) NULL;
-*/
+    wxTheColourDatabase = (wxColourDatabase*) NULL;

 
     wxDeleteStockObjects();
 
 
     wxDeleteStockObjects();
 


@@ -528,7 +548,7 @@ void wxApp::CleanUp()
 
     // check for memory leaks
 #if (defined(__WXDEBUG__) && wxUSE_MEMORY_TRACING) || wxUSE_DEBUG_CONTEXT
 
     // check for memory leaks
 #if (defined(__WXDEBUG__) && wxUSE_MEMORY_TRACING) || wxUSE_DEBUG_CONTEXT

-    if (wxDebugContext::CountObjectsLeft() > 0)
+    if (wxDebugContext::CountObjectsLeft(TRUE) > 0)

     {
         wxLogDebug(wxT("There were memory leaks.\n"));
         wxDebugContext::Dump();
     {
         wxLogDebug(wxT("There were memory leaks.\n"));
         wxDebugContext::Dump();


@@ -550,15 +570,29 @@ void wxApp::CleanUp()
 // wxEntry
 //-----------------------------------------------------------------------------
 
 // wxEntry
 //-----------------------------------------------------------------------------
 

-int wxEntry( int argc, char *argv[] )
+
+int wxEntryStart( int argc, char *argv[] )

 {
 #if wxUSE_THREADS
 {
 #if wxUSE_THREADS

-    g_thread_init(NULL);
+    /* 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" );
+    }
+    else
+    {
+        g_thread_init(NULL);
+    }

 #endif
 #endif

-    
+

     gtk_set_locale();
 
     gtk_set_locale();
 

-#if wxUSE_WCHAR_T
+#if defined(__WXGTK20__)
+    // gtk+ 2.0 supports Unicode through UTF-8 strings
+    wxConvCurrent = &wxConvUTF8;
+#elif wxUSE_WCHAR_T

     if (!wxOKlibc()) wxConvCurrent = &wxConvLocal;
 #else
     if (!wxOKlibc()) wxConvCurrent = (wxMBConv*) NULL;
     if (!wxOKlibc()) wxConvCurrent = &wxConvLocal;
 #else
     if (!wxOKlibc()) wxConvCurrent = (wxMBConv*) NULL;


@@ -576,6 +610,62 @@ int wxEntry( int argc, char *argv[] )
         return -1;
     }
 
         return -1;
     }
 

+    return 0;
+}
+
+
+int wxEntryInitGui()
+{
+    int retValue = 0;
+
+    if ( !wxTheApp->OnInitGui() )
+        retValue = -1;
+
+    wxRootWindow = gtk_window_new( GTK_WINDOW_TOPLEVEL );
+    gtk_widget_realize( wxRootWindow );
+
+    return retValue;
+}
+
+
+void wxEntryCleanup()
+{
+#if wxUSE_LOG
+    // flush the logged messages if any
+    wxLog *log = wxLog::GetActiveTarget();
+    if (log != NULL && log->HasPendingMessages())
+        log->Flush();
+
+    // continuing to use user defined log target is unsafe from now on because
+    // some resources may be already unavailable, so replace it by something
+    // more safe
+    wxLog *oldlog = wxLog::SetActiveTarget(new wxLogStderr);
+    if ( oldlog )
+        delete oldlog;
+#endif // wxUSE_LOG
+
+    wxApp::CleanUp();
+
+    gdk_threads_leave();
+}
+
+
+
+int wxEntry( int argc, char *argv[] )
+{
+#if (defined(__WXDEBUG__) && wxUSE_MEMORY_TRACING) || wxUSE_DEBUG_CONTEXT
+    // This seems to be necessary since there are 'rogue'
+    // objects present at this point (perhaps global objects?)
+    // Setting a checkpoint will ignore them as far as the
+    // memory checking facility is concerned.
+    // Of course you may argue that memory allocated in globals should be
+    // checked, but this is a reasonable compromise.
+    wxDebugContext::SetCheckpoint();
+#endif
+    int err = wxEntryStart(argc, argv);
+    if (err)
+        return err;
+

     if (!wxTheApp)
     {
         wxCHECK_MSG( wxApp::GetInitializerFunction(), -1,
     if (!wxTheApp)
     {
         wxCHECK_MSG( wxApp::GetInitializerFunction(), -1,


@@ -594,7 +684,7 @@ int wxEntry( int argc, char *argv[] )
 #if wxUSE_UNICODE
     wxTheApp->argv = new wxChar*[argc+1];
     int mb_argc = 0;
 #if wxUSE_UNICODE
     wxTheApp->argv = new wxChar*[argc+1];
     int mb_argc = 0;

-    while (mb_argc < argc) 
+    while (mb_argc < argc)

     {
         wxTheApp->argv[mb_argc] = wxStrdup(wxConvLibc.cMB2WX(argv[mb_argc]));
         mb_argc++;
     {
         wxTheApp->argv[mb_argc] = wxStrdup(wxConvLibc.cMB2WX(argv[mb_argc]));
         mb_argc++;


@@ -608,10 +698,8 @@ int wxEntry( int argc, char *argv[] )
     wxStripExtension( name );
     wxTheApp->SetAppName( name );
 
     wxStripExtension( name );
     wxTheApp->SetAppName( name );
 

-    int retValue = 0;
-
-    if ( !wxTheApp->OnInitGui() )
-        retValue = -1;
+    int retValue;
+    retValue = wxEntryInitGui();

 
     // Here frames insert themselves automatically into wxTopLevelWindows by
     // getting created in OnInit().
 
     // Here frames insert themselves automatically into wxTopLevelWindows by
     // getting created in OnInit().


@@ -632,7 +720,7 @@ int wxEntry( int argc, char *argv[] )
 
         if (wxTheApp->Initialized())
         {
 
         if (wxTheApp->Initialized())
         {

-            retValue = wxTheApp->OnRun();
+            wxTheApp->OnRun();

 
             wxWindow *topWindow = wxTheApp->GetTopWindow();
             if (topWindow)
 
             wxWindow *topWindow = wxTheApp->GetTopWindow();
             if (topWindow)


@@ -650,27 +738,12 @@ int wxEntry( int argc, char *argv[] )
                     wxTheApp->SetTopWindow( (wxWindow*) NULL );
                 }
             }
                     wxTheApp->SetTopWindow( (wxWindow*) NULL );
                 }
             }

-            wxTheApp->OnExit();
+
+            retValue = wxTheApp->OnExit();

         }
     }
 
         }
     }
 

-#if wxUSE_LOG
-    // flush the logged messages if any
-    wxLog *log = wxLog::GetActiveTarget();
-    if (log != NULL && log->HasPendingMessages())
-        log->Flush();
-
-    // continuing to use user defined log target is unsafe from now on because
-    // some resources may be already unavailable, so replace it by something
-    // more safe
-    wxLog *oldlog = wxLog::SetActiveTarget(new wxLogStderr);
-    if ( oldlog )
-        delete oldlog;
-#endif // wxUSE_LOG
-
-    wxApp::CleanUp();
-
-    gdk_threads_leave();
+    wxEntryCleanup();

 
     return retValue;
 }
 
     return retValue;
 }