Added chapter on collection and container classes to contents

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

diff --git a/src/gtk/app.cpp b/src/gtk/app.cpp
index bd85f4f6a252af70362d28001d50208ffd29ac70..65460281f18150a07d1ce617d9dce494e3e7abc8 100644 (file)
--- a/src/gtk/app.cpp
+++ b/src/gtk/app.cpp
@@ -29,7 +29,7 @@
 #include "wx/image.h"
 
 #if wxUSE_THREADS
-#include "wx/thread.h"
+    #include "wx/thread.h"
 #endif
 
 #include <unistd.h>
@@ -95,14 +95,22 @@ bool wxYield()
 
     if (has_idle)
     {
-        /* re-add idle handler */
-        wxTheApp->m_idleTag = gtk_idle_add( wxapp_idle_callback, (gpointer) NULL );
+        /* 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) */
-    while (wxTheApp->ProcessIdle()) { }
+    while (wxTheApp->ProcessIdle())
+        ;
+
+    // let the logs be flashed again
+    wxLog::Resume();
 
     return TRUE;
 }
@@ -169,9 +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
-       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;
 }
@@ -242,7 +250,7 @@ wxApp::wxApp()
     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;
@@ -276,8 +284,13 @@ bool wxApp::OnInitGui()
     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 );
+#endif
 
         GdkColormap *colormap = gdk_colormap_new( vis, FALSE );
         gtk_widget_set_default_colormap( colormap );
@@ -380,9 +393,7 @@ void wxApp::OnIdle( wxIdleEvent &event )
 
     /* flush the logged messages if any */
 #if wxUSE_LOG
-    wxLog *log = wxLog::GetActiveTarget();
-    if (log != NULL && log->HasPendingMessages())
-        log->Flush();
+    wxLog::FlushActive();
 #endif // wxUSE_LOG
 }
 
@@ -409,7 +420,7 @@ bool wxApp::SendIdleEvents( wxWindow* win )
     wxIdleEvent event;
     event.SetEventObject(win);
 
-    win->ProcessEvent(event);
+    win->GetEventHandler()->ProcessEvent(event);
 
     win->OnInternalIdle();
 
@@ -559,14 +570,21 @@ void wxApp::CleanUp()
 // wxEntry
 //-----------------------------------------------------------------------------
 
-int wxEntry( int argc, char *argv[] )
+
+int wxEntryStart( int argc, char *argv[] )
 {
 #if wxUSE_THREADS
     /* GTK 1.2 up to version 1.2.3 has broken threads */
-    if ((gtk_major_version == 1) &&
+#ifdef __VMS__
+   if ((vms_gtk_major_version() == 1) &&
+        (vms_gtk_minor_version() == 2) &&
+        (vms_gtk_micro_version() < 4))
+#else
+   if ((gtk_major_version == 1) &&
         (gtk_minor_version == 2) &&
         (gtk_micro_version < 4))
-    {
+#endif
+     {
         printf( "wxWindows warning: GUI threading disabled due to outdated GTK version\n" );
     }
     else
@@ -577,7 +595,10 @@ int wxEntry( int argc, char *argv[] )
 
     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;
@@ -595,6 +616,53 @@ int wxEntry( int argc, char *argv[] )
         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[] )
+{
+    int err = wxEntryStart(argc, argv);
+    if (err)
+        return err;
+
     if (!wxTheApp)
     {
         wxCHECK_MSG( wxApp::GetInitializerFunction(), -1,
@@ -627,13 +695,8 @@ int wxEntry( int argc, char *argv[] )
     wxStripExtension( name );
     wxTheApp->SetAppName( name );
 
-    int retValue = 0;
-
-    if ( !wxTheApp->OnInitGui() )
-        retValue = -1;
-
-    wxRootWindow = gtk_window_new( GTK_WINDOW_TOPLEVEL );
-    gtk_widget_realize( wxRootWindow );
+    int retValue;
+    retValue = wxEntryInitGui();
 
     // Here frames insert themselves automatically into wxTopLevelWindows by
     // getting created in OnInit().
@@ -677,23 +740,7 @@ int wxEntry( int argc, char *argv[] )
         }
     }
 
-#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;
 }