/////////////////////////////////////////////////////////////////////////////
#ifdef __GNUG__
-#pragma implementation "app.h"
+ #pragma implementation "app.h"
#endif
#include "wx/app.h"
#include "wx/memory.h"
#include "wx/font.h"
#include "wx/settings.h"
-#ifdef wxUSE_WX_RESOURCES
-#include "wx/resource.h"
+#include "wx/dialog.h"
+
+#if wxUSE_WX_RESOURCES
+ #include "wx/resource.h"
#endif
+
#include "wx/module.h"
#include "wx/image.h"
+
+#if wxUSE_THREADS
#include "wx/thread.h"
+#endif
#include "unistd.h"
#include "glib.h"
#include "gdk/gdk.h"
#include "gtk/gtk.h"
+
#include "wx/gtk/win_gtk.h"
//-----------------------------------------------------------------------------
wxApp *wxTheApp = (wxApp *) NULL;
wxAppInitializerFunction wxApp::m_appInitFn = (wxAppInitializerFunction) NULL;
-extern wxList wxPendingDelete;
+#if wxUSE_THREADS
+extern wxList *wxPendingEvents;
+extern wxCriticalSection *wxPendingEventsLocker;
+#endif
extern wxResourceCache *wxTheResourceCache;
+extern bool g_isIdle;
unsigned char g_palette[64*3] =
{
// global functions
//-----------------------------------------------------------------------------
-void wxExit(void)
+void wxExit()
{
gtk_main_quit();
}
-bool wxYield(void)
+/* forward declaration */
+gint wxapp_idle_callback( gpointer WXUNUSED(data) );
+
+bool wxYield()
+{
+ /* 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()) { }
+
+#if 0
+ for ( wxWindowList::Node *node = wxTopLevelWindows.GetFirst();
+ node;
+ node = node->GetNext() )
+ {
+ wxWindow *win = node->GetData();
+ win->OnInternalIdle();
+ }
+#endif
+
+ if (wxTheApp->m_idleTag)
+ {
+ /* We need to temporarily remove idle callbacks or the loop will
+ never finish. */
+ gtk_idle_remove( wxTheApp->m_idleTag );
+ wxTheApp->m_idleTag = 0;
+
+ while (gtk_events_pending())
+ gtk_main_iteration();
+
+ /* re-add idle handler */
+ wxTheApp->m_idleTag = gtk_idle_add( wxapp_idle_callback, (gpointer) NULL );
+ }
+ else
+ {
+ while (gtk_events_pending())
+ gtk_main_iteration();
+ }
+
+ return TRUE;
+}
+
+gint wxapp_idle_callback( gpointer WXUNUSED(data) )
{
- while (gtk_events_pending() > 0) gtk_main_iteration();
+ if (!wxTheApp) return TRUE;
+
+#if (GTK_MINOR_VERSION > 0)
+ /* when getting called from GDK's idle handler we
+ are no longer within GDK's grab on the GUI
+ thread so we must lock it here ourselves */
+ GDK_THREADS_ENTER ();
+#endif
+
+ /* 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 );
+ wxTheApp->m_idleTag = 0;
+
+ /* indicate that we are now in idle mode - even so deeply
+ in idle mode that we don't get any idle events anymore.
+ this is like wxMSW where an idle event is sent only
+ once each time after the event queue has been completely
+ emptied */
+ g_isIdle = TRUE;
+
+#if (GTK_MINOR_VERSION > 0)
+ /* release lock again */
+ GDK_THREADS_LEAVE ();
+#endif
+
+ return TRUE;
+}
+
+void wxapp_install_idle_handler()
+{
+ wxASSERT_MSG( wxTheApp->m_idleTag == 0, _T("attempt to install idle handler twice") );
+
+ /* this routine gets called by all event handlers
+ indicating that the idle is over. */
+
+ wxTheApp->m_idleTag = gtk_idle_add( wxapp_idle_callback, (gpointer) NULL );
+
+ g_isIdle = FALSE;
+}
+
+#if wxUSE_THREADS
+static gint wxapp_wakeup_timerout_callback( gpointer WXUNUSED(data) )
+{
+ gtk_timeout_remove( wxTheApp->m_wakeUpTimerTag );
+ wxTheApp->m_wakeUpTimerTag = 0;
+
+#if (GTK_MINOR_VERSION > 0)
+ /* when getting called from GDK's time-out handler
+ we are no longer within GDK's grab on the GUI
+ thread so we must lock it here ourselves */
+ GDK_THREADS_ENTER ();
+#endif
+
+ /* unblock other threads wishing to do some GUI things */
+ wxMutexGuiLeave();
+
+ /* wake up other threads */
+ wxUsleep( 1 );
+
+ /* block other thread again */
+ wxMutexGuiEnter();
+
+#if (GTK_MINOR_VERSION > 0)
+ /* release lock again */
+ GDK_THREADS_LEAVE ();
+#endif
+
+ wxTheApp->m_wakeUpTimerTag = gtk_timeout_add( 20, wxapp_wakeup_timerout_callback, (gpointer) NULL );
+
return TRUE;
}
+#endif
//-----------------------------------------------------------------------------
// wxApp
EVT_IDLE(wxApp::OnIdle)
END_EVENT_TABLE()
-gint wxapp_idle_callback( gpointer WXUNUSED(data) )
-{
- if (wxTheApp) while (wxTheApp->ProcessIdle()) {}
- wxMutexGuiLeave();
- usleep(10000);
- wxMutexGuiEnter();
- return TRUE;
-}
-
wxApp::wxApp()
{
- m_idleTag = 0;
+ wxTheApp = this;
+
m_topWindow = (wxWindow *) NULL;
m_exitOnFrameDelete = TRUE;
- wxTheApp = this;
-}
-wxApp::~wxApp(void)
-{
- gtk_idle_remove( m_idleTag );
-}
+ m_idleTag = gtk_idle_add( wxapp_idle_callback, (gpointer) NULL );
+
+#if wxUSE_THREADS
+ m_wakeUpTimerTag = gtk_timeout_add( 20, wxapp_wakeup_timerout_callback, (gpointer) NULL );
+#endif
-bool wxApp::OnInit(void)
-{
- return TRUE;
+ m_colorCube = (unsigned char*) NULL;
}
-bool wxApp::OnInitGui(void)
+wxApp::~wxApp()
{
- m_idleTag = gtk_idle_add( wxapp_idle_callback, NULL );
- return TRUE;
+ if (m_idleTag) gtk_idle_remove( m_idleTag );
+
+#if wxUSE_THREADS
+ if (m_wakeUpTimerTag) gtk_timeout_remove( m_wakeUpTimerTag );
+#endif
+
+ if (m_colorCube) free(m_colorCube);
}
-int wxApp::OnRun(void)
+bool wxApp::OnInitGui()
{
- return MainLoop();
+ /* on some SGIs, 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? */
+ GdkVisual* visual = gdk_visual_get_best();
+ gtk_widget_set_default_visual( visual );
+
+ /* Nothing to do for 15, 16, 24, 32 bit displays */
+ if (visual->depth > 8) return TRUE;
+
+ /* this initiates the standard palette as defined by GdkImlib
+ in the GNOME libraries. it ensures that all GNOME applications
+ use the same 64 colormap entries on 8-bit displays so you
+ can use several rather graphics-heavy applications at the
+ same time.
+ NOTE: this doesn't really seem to work this way... */
+
+ /*
+ GdkColormap *cmap = gdk_colormap_new( gdk_visual_get_system(), TRUE );
+
+ for (int i = 0; i < 64; i++)
+ {
+ GdkColor col;
+ col.red = g_palette[i*3 + 0] << 8;
+ col.green = g_palette[i*3 + 1] << 8;
+ col.blue = g_palette[i*3 + 2] << 8;
+ col.pixel = 0;
+
+ gdk_color_alloc( cmap, &col );
+ }
+
+ gtk_widget_set_default_colormap( cmap );
+ */
+
+ /* initialize color cube for 8-bit color reduction dithering */
+
+ GdkColormap *cmap = gtk_widget_get_default_colormap();
+
+ m_colorCube = (unsigned char*)malloc(32 * 32 * 32);
+
+ for (int r = 0; r < 32; r++)
+ {
+ for (int g = 0; g < 32; g++)
+ {
+ for (int b = 0; b < 32; b++)
+ {
+ int rr = (r << 3) | (r >> 2);
+ int gg = (g << 3) | (g >> 2);
+ int bb = (b << 3) | (b >> 2);
+
+ int index = -1;
+
+ GdkColor *colors = cmap->colors;
+ if (colors)
+ {
+ int max = 3 * 65536;
+
+ for (int i = 0; i < cmap->size; i++)
+ {
+ int rdiff = ((rr << 8) - colors[i].red);
+ int gdiff = ((gg << 8) - colors[i].green);
+ int bdiff = ((bb << 8) - colors[i].blue);
+ int sum = ABS (rdiff) + ABS (gdiff) + ABS (bdiff);
+ if (sum < max)
+ {
+ index = i; max = sum;
+ }
+ }
+ }
+ else
+ {
+#if (GTK_MINOR_VERSION > 0)
+ /* assume 8-bit true or static colors. this really
+ exists. */
+ GdkVisual* vis = gdk_colormap_get_visual( cmap );
+ index = (r >> (5 - vis->red_prec)) << vis->red_shift;
+ index |= (g >> (5 - vis->green_prec)) << vis->green_shift;
+ index |= (b >> (5 - vis->blue_prec)) << vis->blue_shift;
+#else
+ wxFAIL_MSG( _T("Unsupported graphics hardware") );
+#endif
+ }
+ m_colorCube[ (r*1024) + (g*32) + b ] = index;
+ }
+ }
+ }
+
+ return TRUE;
}
-bool wxApp::ProcessIdle(void)
+bool wxApp::ProcessIdle()
{
wxIdleEvent event;
event.SetEventObject( this );
inOnIdle = TRUE;
+#if wxUSE_THREADS
+ /* Resend in the main thread events which have been prepared in other
+ threads */
+ ProcessPendingEvents();
+#endif
+
/* '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();
inOnIdle = FALSE;
}
-bool wxApp::SendIdleEvents(void)
+bool wxApp::SendIdleEvents()
{
bool needMore = FALSE;
- wxNode* node = wxTopLevelWindows.First();
+ wxWindowList::Node* node = wxTopLevelWindows.GetFirst();
while (node)
{
- wxWindow* win = (wxWindow*) node->Data();
+ wxWindow* win = node->GetData();
if (SendIdleEvents(win))
needMore = TRUE;
- node = node->Next();
+ node = node->GetNext();
}
+
return needMore;
}
wxIdleEvent event;
event.SetEventObject(win);
+
+ win->OnInternalIdle();
+
win->ProcessEvent(event);
if (event.MoreRequested())
return needMore ;
}
-int wxApp::OnExit(void)
-{
- return 0;
-}
-
-int wxApp::MainLoop(void)
+int wxApp::MainLoop()
{
gtk_main();
return 0;
}
-void wxApp::ExitMainLoop(void)
+void wxApp::ExitMainLoop()
{
gtk_main_quit();
}
-bool wxApp::Initialized(void)
+bool wxApp::Initialized()
{
return m_initialized;
}
-bool wxApp::Pending(void)
+bool wxApp::Pending()
{
- return FALSE;
+ return (gtk_events_pending() > 0);
}
-void wxApp::Dispatch(void)
+void wxApp::Dispatch()
{
+ gtk_main_iteration();
}
-void wxApp::DeletePendingObjects(void)
+#if wxUSE_THREADS
+void wxApp::ProcessPendingEvents()
+{
+ wxNode *node = wxPendingEvents->First();
+ wxCriticalSectionLocker locker(*wxPendingEventsLocker);
+
+ while (node)
+ {
+ wxEvtHandler *handler = (wxEvtHandler *)node->Data();
+
+ handler->ProcessPendingEvents();
+
+ delete node;
+
+ node = wxPendingEvents->First();
+ }
+}
+#endif // wxUSE_THREADS
+
+void wxApp::DeletePendingObjects()
{
wxNode *node = wxPendingDelete.First();
while (node)
delete obj;
- if (wxPendingDelete.Member(obj))
- delete node;
+ if (wxPendingDelete.Find(obj))
+ delete node;
node = wxPendingDelete.First();
}
}
-wxWindow *wxApp::GetTopWindow(void)
+wxWindow *wxApp::GetTopWindow()
{
- if (m_topWindow) return m_topWindow;
- wxNode *node = wxTopLevelWindows.First();
- if (!node) return (wxWindow *) NULL;
- return (wxWindow*)node->Data();
+ if (m_topWindow)
+ return m_topWindow;
+ else if (wxTopLevelWindows.GetCount() > 0)
+ return wxTopLevelWindows.GetFirst()->GetData();
+ else
+ return NULL;
}
void wxApp::SetTopWindow( wxWindow *win )
m_topWindow = win;
}
-void wxApp::CommonInit(void)
+bool wxApp::Initialize()
{
+ wxBuffer = new wxChar[BUFSIZ + 512];
-/*
-#if wxUSE_RESOURCES
- (void) wxGetResource("wxWindows", "OsVersion", &wxOsVersion);
+ wxClassInfo::InitializeClasses();
+
+ wxSystemSettings::Init();
+
+ // GL: I'm annoyed ... I don't know where to put this and I don't want to
+ // create a module for that as it's part of the core.
+#if wxUSE_THREADS
+ wxPendingEvents = new wxList();
+ wxPendingEventsLocker = new wxCriticalSection();
#endif
+
+/*
+ wxTheFontNameDirectory = new wxFontNameDirectory;
+ wxTheFontNameDirectory->Initialize();
*/
- wxSystemSettings::Init();
-
- wxTheFontNameDirectory = new wxFontNameDirectory;
- wxTheFontNameDirectory->Initialize();
- wxTheColourDatabase = new wxColourDatabase(wxKEY_STRING);
- wxTheColourDatabase->Initialize();
+ wxTheColourDatabase = new wxColourDatabase( wxKEY_STRING );
+ wxTheColourDatabase->Initialize();
- wxInitializeStockLists();
- wxInitializeStockObjects();
+ wxInitializeStockLists();
+ wxInitializeStockObjects();
-#ifdef wxUSE_WX_RESOURCES
- wxTheResourceCache = new wxResourceCache(wxKEY_STRING);
-
- wxInitializeResourceSystem();
+#if wxUSE_WX_RESOURCES
+ wxTheResourceCache = new wxResourceCache( wxKEY_STRING );
+
+ wxInitializeResourceSystem();
#endif
- wxImage::InitStandardHandlers();
+ wxImage::InitStandardHandlers();
-// g_globalCursor = new wxCursor;
+ wxModule::RegisterModules();
+ if (!wxModule::InitializeModules()) return FALSE;
+
+ return TRUE;
}
-void wxApp::CommonCleanUp(void)
+void wxApp::CleanUp()
{
- wxDELETE(wxTheColourDatabase);
- wxDELETE(wxTheFontNameDirectory);
- wxDeleteStockObjects();
+ wxModule::CleanUpModules();
-#ifdef wxUSE_WX_RESOURCES
+#if wxUSE_WX_RESOURCES
wxFlushResources();
- wxDELETE(wxTheResourceCache);
-
+ if (wxTheResourceCache)
+ delete wxTheResourceCache;
+ wxTheResourceCache = (wxResourceCache*) NULL;
+
wxCleanUpResourceSystem();
#endif
+ if (wxTheColourDatabase)
+ delete wxTheColourDatabase;
+ wxTheColourDatabase = (wxColourDatabase*) NULL;
+
+/*
+ if (wxTheFontNameDirectory) delete wxTheFontNameDirectory;
+ wxTheFontNameDirectory = (wxFontNameDirectory*) NULL;
+*/
+
+ wxDeleteStockObjects();
+
wxDeleteStockLists();
wxImage::CleanUpHandlers();
+ delete wxTheApp;
+ wxTheApp = (wxApp*) NULL;
+
+ // GL: I'm annoyed ... I don't know where to put this and I don't want to
+ // create a module for that as it's part of the core.
+#if wxUSE_THREADS
+ delete wxPendingEvents;
+ delete wxPendingEventsLocker;
+#endif
+
wxSystemSettings::Done();
+
+ delete[] wxBuffer;
+
+ wxClassInfo::CleanUpClasses();
+
+ // check for memory leaks
+#if (defined(__WXDEBUG__) && wxUSE_MEMORY_TRACING) || wxUSE_DEBUG_CONTEXT
+ if (wxDebugContext::CountObjectsLeft() > 0)
+ {
+ wxLogDebug(_T("There were memory leaks.\n"));
+ wxDebugContext::Dump();
+ wxDebugContext::PrintStatistics();
+ }
+#endif // Debug
+
+#if wxUSE_LOG
+ // do this as the very last thing because everything else can log messages
+ wxLog::DontCreateOnDemand();
+
+ wxLog *oldLog = wxLog::SetActiveTarget( (wxLog*) NULL );
+ if (oldLog)
+ delete oldLog;
}
wxLog *wxApp::CreateLogTarget()
{
- return new wxLogGui;
+ return new wxLogGui;
}
+#endif // wxUSE_LOG
//-----------------------------------------------------------------------------
// wxEntry
int wxEntry( int argc, char *argv[] )
{
- wxBuffer = new char[BUFSIZ + 512];
+ gtk_set_locale();
- wxClassInfo::InitializeClasses();
+ if (!wxOKlibc()) wxConvCurrent = &wxConvLocal;
+ gtk_init( &argc, &argv );
+
+ wxSetDetectableAutoRepeat( TRUE );
+
+ if (!wxApp::Initialize())
+ return -1;
if (!wxTheApp)
{
- if (!wxApp::GetInitializerFunction())
- {
- printf( "wxWindows error: No initializer - use IMPLEMENT_APP macro.\n" );
- return 0;
- }
+ wxCHECK_MSG( wxApp::GetInitializerFunction(), -1,
+ _T("wxWindows error: No initializer - use IMPLEMENT_APP macro.\n") );
wxAppInitializerFunction app_ini = wxApp::GetInitializerFunction();
wxTheApp = (wxApp*) test_app;
}
- if (!wxTheApp)
- {
- printf( "wxWindows error: wxTheApp == NULL\n" );
- return 0;
- }
+ wxCHECK_MSG( wxTheApp, -1, _T("wxWindows error: no application object") );
wxTheApp->argc = argc;
wxTheApp->argv = argv;
- char name[200];
- strcpy( name, argv[0] );
- strcpy( name, wxFileNameFromPath(name) );
+ wxString name(wxFileNameFromPath(argv[0]));
wxStripExtension( name );
wxTheApp->SetAppName( name );
- gtk_set_locale();
-
- gtk_init( &argc, &argv );
+ int retValue = 0;
- GdkColormap *cmap = gdk_colormap_new( gdk_visual_get_system(), TRUE );
+ if ( !wxTheApp->OnInitGui() )
+ retValue = -1;
- for (int i = 0; i < 64; i++)
+ // Here frames insert themselves automatically into wxTopLevelWindows by
+ // getting created in OnInit().
+ if ( retValue == 0 )
{
- GdkColor col;
- col.red = g_palette[i*3 + 0] << 8;
- col.green = g_palette[i*3 + 1] << 8;
- col.blue = g_palette[i*3 + 2] << 8;
- col.pixel = 0;
-
- gdk_color_alloc( cmap, &col );
+ if ( !wxTheApp->OnInit() )
+ retValue = -1;
}
- gtk_widget_push_colormap( cmap );
-
- gtk_widget_set_default_colormap( cmap );
-
- wxApp::CommonInit();
-
- wxModule::RegisterModules();
- if (!wxModule::InitializeModules()) return FALSE;
-
- 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();
-
- wxModule::CleanUpModules();
-
- wxApp::CommonCleanUp();
-
- delete wxTheApp;
- wxTheApp = (wxApp*) NULL;
-
- wxClassInfo::CleanUpClasses();
-
- delete[] wxBuffer;
-
-#if (defined(__WXDEBUG__) && wxUSE_MEMORY_TRACING) || wxUSE_DEBUG_CONTEXT
-
- if (wxDebugContext::CountObjectsLeft() > 0)
+ if ( retValue == 0 )
{
- wxLogDebug("There were memory leaks.\n");
- wxDebugContext::Dump();
- wxDebugContext::PrintStatistics();
+ /* delete pending toplevel windows (typically a single
+ dialog) so that, if there isn't any left, we don't
+ call OnRun() */
+ wxTheApp->DeletePendingObjects();
+
+ wxTheApp->m_initialized = wxTopLevelWindows.GetCount() != 0;
+
+ if (wxTheApp->Initialized())
+ {
+ retValue = wxTheApp->OnRun();
+
+ wxWindow *topWindow = wxTheApp->GetTopWindow();
+ if (topWindow)
+ {
+ /* Forcibly delete the window. */
+ if (topWindow->IsKindOf(CLASSINFO(wxFrame)) ||
+ topWindow->IsKindOf(CLASSINFO(wxDialog)) )
+ {
+ topWindow->Close( TRUE );
+ wxTheApp->DeletePendingObjects();
+ }
+ else
+ {
+ delete topWindow;
+ wxTheApp->SetTopWindow( (wxWindow*) NULL );
+ }
+ }
+ wxTheApp->OnExit();
+ }
}
-#endif
+#if wxUSE_LOG
+ // flush the logged messages if any
+ wxLog *log = wxLog::GetActiveTarget();
+ if (log != NULL && log->HasPendingMessages())
+ log->Flush();
- wxLog *oldLog = wxLog::SetActiveTarget( NULL );
- if (oldLog) delete oldLog;
+ // 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();
return retValue;
}
-//-----------------------------------------------------------------------------
-
projects / wxWidgets.git / blobdiff