Initial revision

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@2 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/gtk/app.cpp

@@ -0,0 +1,279 @@
+/////////////////////////////////////////////////////////////////////////////
+// Name:        app.cpp
+// Purpose:
+// Author:      Robert Roebling
+// Created:     01/02/97
+// Id:
+// Copyright:   (c) 1998 Robert Roebling, Julian Smart and Markus Holzem
+// Licence:   	wxWindows licence
+/////////////////////////////////////////////////////////////////////////////
+
+#ifdef __GNUG__
+#pragma implementation "app.h"
+#endif
+
+#include "wx/app.h"
+#include "wx/gdicmn.h"
+#include "wx/utils.h"
+#include "wx/postscrp.h"
+#include "wx/intl.h"
+#include "wx/log.h"
+
+#include "unistd.h"
+
+#ifdef USE_GDK_IMLIB
+#include "gdk_imlib.h"
+#endif
+
+//-----------------------------------------------------------------------------
+// global data
+//-----------------------------------------------------------------------------
+
+wxApp *wxTheApp = NULL;
+wxAppInitializerFunction wxApp::m_appInitFn = (wxAppInitializerFunction) NULL;
+
+extern wxList wxPendingDelete;
+
+//-----------------------------------------------------------------------------
+// local functions
+//-----------------------------------------------------------------------------
+
+extern void wxFlushResources(void);
+
+//-----------------------------------------------------------------------------
+// global functions
+//-----------------------------------------------------------------------------
+
+void wxExit(void)
+{
+  gtk_main_quit();
+};
+
+bool wxYield(void)
+{
+  while (gtk_events_pending() > 0) gtk_main_iteration();
+  return TRUE;
+};
+
+//-----------------------------------------------------------------------------
+// wxApp
+//-----------------------------------------------------------------------------
+
+IMPLEMENT_DYNAMIC_CLASS(wxApp,wxEvtHandler)
+
+gint wxapp_idle_callback( gpointer WXUNUSED(data) )
+{
+  if (wxTheApp) wxTheApp->OnIdle();
+  usleep( 10000 );
+  return TRUE;
+};
+
+wxApp::wxApp()
+{
+  m_idleTag = 0;
+  m_topWindow = NULL;
+  m_exitOnFrameDelete = TRUE;
+};
+
+wxApp::~wxApp(void)
+{
+  gtk_idle_remove( m_idleTag );
+};
+
+bool wxApp::OnInit(void)
+{
+  return TRUE;
+};
+
+bool wxApp::OnInitGui(void)
+{ 
+  m_idleTag = gtk_idle_add( wxapp_idle_callback, NULL );
+  return TRUE; 
+};
+
+int wxApp::OnRun(void) 
+{ 
+  return MainLoop(); 
+};
+
+bool wxApp::OnIdle(void)
+{
+  DeletePendingObjects();
+  return FALSE;
+};
+
+int wxApp::OnExit(void)
+{
+  return 0;
+};
+
+int wxApp::MainLoop(void)
+{
+  gtk_main();
+  return 0;
+};
+
+void wxApp::ExitMainLoop(void)
+{
+  gtk_main_quit();
+};
+
+bool wxApp::Initialized(void)
+{
+  return m_initialized;
+};
+
+bool wxApp::Pending(void) 
+{
+  return FALSE;
+};
+
+void wxApp::Dispatch(void) 
+{
+};
+
+void wxApp::DeletePendingObjects(void)
+{
+  wxNode *node = wxPendingDelete.First();
+  while (node)
+  {
+    wxObject *obj = (wxObject *)node->Data();
+    
+    delete obj;
+
+    if (wxPendingDelete.Member(obj))
+      delete node;
+
+    node = wxPendingDelete.First();
+  };
+};
+
+wxWindow *wxApp::GetTopWindow(void)
+{
+  if (m_topWindow) return m_topWindow;
+  wxNode *node = wxTopLevelWindows.First();
+  if (!node) return NULL;
+  return (wxWindow*)node->Data();
+};
+
+void wxApp::SetTopWindow( wxWindow *win )
+{
+  m_topWindow = win;
+};
+
+void wxApp::CommonInit(void)
+{
+
+/*
+#if USE_RESOURCES
+  (void) wxGetResource("wxWindows", "OsVersion", &wxOsVersion);
+#endif
+*/
+
+  wxTheColourDatabase = new wxColourDatabase(wxKEY_STRING);
+  wxTheColourDatabase->Initialize();
+  wxInitializeStockObjects();
+
+  // For PostScript printing
+#if USE_POSTSCRIPT
+  wxInitializePrintSetupData();
+  wxThePrintPaperDatabase = new wxPrintPaperDatabase;
+  wxThePrintPaperDatabase->CreateDatabase();
+#endif
+
+
+/*
+  wxBitmap::InitStandardHandlers();
+
+  g_globalCursor = new wxCursor;
+*/
+
+  wxInitializeStockObjects();
+};
+
+void wxApp::CommonCleanUp(void)
+{
+  wxDeleteStockObjects();
+  
+  wxFlushResources();
+};
+    
+wxLog *wxApp::CreateLogTarget()
+{
+  return new wxLogGui;
+}
+
+//-----------------------------------------------------------------------------
+// wxEntry
+//-----------------------------------------------------------------------------
+
+int wxEntry( int argc, char *argv[] )
+{
+  wxBuffer = new char[BUFSIZ + 512];
+
+  wxClassInfo::InitializeClasses();
+  
+  if (!wxTheApp)
+  {
+    if (!wxApp::GetInitializerFunction())
+    {
+      printf( "wxWindows error: No initializer - use IMPLEMENT_APP macro.\n" );
+      return 0;
+    };
+    
+    wxAppInitializerFunction app_ini = wxApp::GetInitializerFunction();
+    
+    wxObject *test_app = app_ini();
+    
+    wxTheApp = (wxApp*) test_app;
+    
+//    wxTheApp = (wxApp*)( app_ini() );
+  };
+  
+  if (!wxTheApp) 
+  {
+    printf( "wxWindows error: wxTheApp == NULL\n" );
+    return 0;
+  };
+
+//  printf( "Programmstart.\n" );
+  
+  wxTheApp->argc = argc;
+  wxTheApp->argv = argv;
+  
+  gtk_init( &argc, &argv );
+
+#ifdef USE_GDK_IMLIB
+
+  gdk_imlib_init();
+  
+  gtk_widget_push_visual(gdk_imlib_get_visual());
+  
+  gtk_widget_push_colormap(gdk_imlib_get_colormap());
+  
+#endif  
+    
+  wxApp::CommonInit();
+
+  wxTheApp->OnInitGui();
+
+  // Here frames insert themselves automatically
+  // into wxTopLevelWindows by getting created
+  // in OnInit().
+  
+  if (!wxTheApp->OnInit()) return 0;
+
+  wxTheApp->m_initialized = (wxTopLevelWindows.Number() > 0);
+  
+  int retValue = 0;
+  
+  if (wxTheApp->Initialized()) retValue = wxTheApp->OnRun();
+  
+  wxTheApp->DeletePendingObjects();  
+  
+  wxTheApp->OnExit();
+  
+  wxApp::CommonCleanUp();
+  
+  return retValue;
+};