#include "wx/module.h"
#include "wx/image.h"
+#if wxUSE_THREADS
#include "wx/thread.h"
+#endif
-#include "unistd.h"
+#include <unistd.h>
#include <glib.h>
#include <gdk/gdk.h>
//-----------------------------------------------------------------------------
wxApp *wxTheApp = (wxApp *) NULL;
-wxAppInitializerFunction wxApp::m_appInitFn = (wxAppInitializerFunction) NULL;
+wxAppInitializerFunction wxAppBase::m_appInitFn = (wxAppInitializerFunction) NULL;
-#if wxUSE_THREADS
-extern wxList *wxPendingEvents;
-extern wxCriticalSection *wxPendingEventsLocker;
-#endif
-extern wxResourceCache *wxTheResourceCache;
extern bool g_isIdle;
-unsigned char g_palette[64*3] =
-{
- 0x0, 0x0, 0x0,
- 0xff, 0xff, 0xff,
- 0xff, 0x0, 0x0,
- 0xff, 0xff, 0x0,
- 0x0, 0xff, 0x0,
- 0x0, 0x0, 0xff,
- 0x0, 0xff, 0xff,
- 0x99, 0x99, 0x99,
- 0xff, 0x88, 0x0,
- 0x88, 0x0, 0x0,
- 0x0, 0x88, 0x88,
- 0x88, 0x88, 0x0,
- 0xff, 0xcc, 0x97,
- 0xbb, 0xbb, 0xbb,
- 0x9f, 0x6b, 0x42,
- 0x55, 0x55, 0x55,
- 0xdd, 0xdd, 0xdd,
- 0x77, 0x77, 0x77,
- 0x33, 0x33, 0x33,
- 0xcc, 0x0, 0x0,
- 0xff, 0x44, 0x0,
- 0xff, 0xcc, 0x0,
- 0xcc, 0xcc, 0x0,
- 0x60, 0x60, 0x0,
- 0x0, 0x43, 0x0,
- 0x0, 0x7f, 0x0,
- 0x0, 0xcc, 0x0,
- 0x0, 0x44, 0x44,
- 0x0, 0x0, 0x44,
- 0x0, 0x0, 0x88,
- 0xef, 0xb1, 0x7b,
- 0xdf, 0x98, 0x5f,
- 0xbf, 0x87, 0x56,
- 0x7f, 0x57, 0x26,
- 0x5f, 0x39, 0xc,
- 0x3f, 0x1c, 0x0,
- 0x21, 0x0, 0x0,
- 0x0, 0x43, 0x87,
- 0x2d, 0x70, 0xaf,
- 0x5a, 0x9e, 0xd7,
- 0x87, 0xcc, 0xff,
- 0xff, 0xe0, 0xba,
- 0x21, 0x43, 0xf,
- 0x3d, 0x5d, 0x25,
- 0x59, 0x78, 0x3a,
- 0x75, 0x93, 0x4f,
- 0x91, 0xae, 0x64,
- 0xad, 0xc8, 0x7a,
- 0xf0, 0xa8, 0xef,
- 0xd0, 0x88, 0xd0,
- 0xaf, 0x66, 0xaf,
- 0x8e, 0x44, 0x8e,
- 0x6d, 0x22, 0x6d,
- 0x4b, 0x0, 0x4b,
- 0xff, 0xc0, 0xbc,
- 0xff, 0x93, 0x91,
- 0xff, 0x66, 0x67,
- 0xd8, 0xf2, 0xbf,
- 0xff, 0xc9, 0x68,
- 0xff, 0x96, 0x67,
- 0xa5, 0x60, 0xff,
- 0x51, 0xff, 0x99,
- 0x3f, 0xa5, 0x63,
- 0x98, 0x90, 0x67
-};
+bool g_mainThreadLocked = FALSE;
+
+GtkWidget *wxRootWindow = (GtkWidget*) NULL;
//-----------------------------------------------------------------------------
// local functions
//-----------------------------------------------------------------------------
-extern void wxFlushResources(void);
+/* forward declaration */
+gint wxapp_idle_callback( gpointer WXUNUSED(data) );
+void wxapp_install_idle_handler();
+
+#if wxUSE_THREADS
+gint wxapp_wakeup_timerout_callback( gpointer WXUNUSED(data) );
+#endif
//-----------------------------------------------------------------------------
-// global functions
+// wxExit
//-----------------------------------------------------------------------------
void wxExit()
gtk_main_quit();
}
-/* forward declaration */
-gint wxapp_idle_callback( gpointer WXUNUSED(data) );
+//-----------------------------------------------------------------------------
+// wxYield
+//-----------------------------------------------------------------------------
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)
- for ( wxWindowList::Node *node = wxTopLevelWindows.GetFirst();
- node;
- node = node->GetNext() )
- {
- wxWindow *win = node->GetData();
- win->OnInternalIdle();
- }
+ bool has_idle = (wxTheApp->m_idleTag != 0);
- if (wxTheApp->m_idleTag)
+ if (has_idle)
{
/* 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();
+ while (gtk_events_pending())
+ gtk_main_iteration();
+ if (has_idle)
+ {
/* re-add idle handler */
wxTheApp->m_idleTag = gtk_idle_add( wxapp_idle_callback, (gpointer) NULL );
}
- else
- {
- while (gtk_events_pending())
- gtk_main_iteration();
- }
-
+
+ // 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())
+ ;
+
+ // let the logs be flashed again
+ wxLog::Resume();
+
return TRUE;
}
+//-----------------------------------------------------------------------------
+// wxWakeUpIdle
+//-----------------------------------------------------------------------------
+
+void wxWakeUpIdle()
+{
+#if wxUSE_THREADS
+ if (!wxThread::IsMain())
+ wxMutexGuiEnter();
+#endif
+
+ if (g_isIdle)
+ wxapp_install_idle_handler();
+
+#if wxUSE_THREADS
+ if (!wxThread::IsMain())
+ wxMutexGuiLeave();
+#endif
+}
+
+//-----------------------------------------------------------------------------
+// local functions
+//-----------------------------------------------------------------------------
+
gint wxapp_idle_callback( gpointer WXUNUSED(data) )
{
if (!wxTheApp) return TRUE;
-
- /* sent idle event to all who request them */
- while (wxTheApp->ProcessIdle()) { }
-
+
+ // 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();
+
/* we don't want any more idle events until the next event is
sent to wxGTK */
gtk_idle_remove( wxTheApp->m_idleTag );
once each time after the event queue has been completely
emptied */
g_isIdle = TRUE;
-
- /* wake up other threads */
- wxMutexGuiLeave();
- wxUsleep(0);
- wxMutexGuiEnter();
+ /* sent idle event to all who request them */
+ while (wxTheApp->ProcessIdle()) { }
+
+ // release lock again
+ gdk_threads_leave();
return TRUE;
}
void wxapp_install_idle_handler()
{
- /* this routine gets called by all event handlers
- indicating that the idle is over. */
+ wxASSERT_MSG( wxTheApp->m_idleTag == 0, wxT("attempt to install idle handler twice") );
+
+ /* This routine gets called by all event handlers
+ 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). */
wxTheApp->m_idleTag = gtk_idle_add( wxapp_idle_callback, (gpointer) NULL );
-
+
g_isIdle = FALSE;
}
+#if wxUSE_THREADS
+
+void wxapp_install_thread_wakeup()
+{
+ if (wxTheApp->m_wakeUpTimerTag) return;
+
+ wxTheApp->m_wakeUpTimerTag = gtk_timeout_add( 50, wxapp_wakeup_timerout_callback, (gpointer) NULL );
+}
+
+void wxapp_uninstall_thread_wakeup()
+{
+ if (!wxTheApp->m_wakeUpTimerTag) return;
+
+ gtk_timeout_remove( wxTheApp->m_wakeUpTimerTag );
+ wxTheApp->m_wakeUpTimerTag = 0;
+}
+
+gint wxapp_wakeup_timerout_callback( gpointer WXUNUSED(data) )
+{
+ // 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();
+
+ wxapp_uninstall_thread_wakeup();
+
+ // unblock other threads wishing to do some GUI things
+ wxMutexGuiLeave();
+
+ g_mainThreadLocked = TRUE;
+
+ // wake up other threads
+ wxUsleep( 1 );
+
+ // block other thread again
+ wxMutexGuiEnter();
+
+ g_mainThreadLocked = FALSE;
+
+ wxapp_install_thread_wakeup();
+
+ // release lock again
+ gdk_threads_leave();
+
+ return TRUE;
+}
+
+#endif // wxUSE_THREADS
+
//-----------------------------------------------------------------------------
// wxApp
//-----------------------------------------------------------------------------
m_idleTag = gtk_idle_add( wxapp_idle_callback, (gpointer) NULL );
+#if wxUSE_THREADS
+ m_wakeUpTimerTag = 0;
+ wxapp_install_thread_wakeup();
+#endif
+
m_colorCube = (unsigned char*) NULL;
+
+ m_useBestVisual = FALSE;
}
wxApp::~wxApp()
{
if (m_idleTag) gtk_idle_remove( m_idleTag );
+#if wxUSE_THREADS
+ wxapp_uninstall_thread_wakeup();
+#endif
+
if (m_colorCube) free(m_colorCube);
}
bool wxApp::OnInitGui()
{
- /* Nothing to do for 15, 16, 24, 32 bit displays */
-
GdkVisual *visual = gdk_visual_get_system();
- 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... */
+ /* 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? */
- /*
- GdkColormap *cmap = gdk_colormap_new( gdk_visual_get_system(), TRUE );
+ if ((gdk_visual_get_best() != gdk_visual_get_system()) &&
+ (m_useBestVisual))
+ {
+ GdkVisual* vis = gdk_visual_get_best();
+ gtk_widget_set_default_visual( vis );
- 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;
+ GdkColormap *colormap = gdk_colormap_new( vis, FALSE );
+ gtk_widget_set_default_colormap( colormap );
- gdk_color_alloc( cmap, &col );
- }
+ visual = vis;
+ }
- gtk_widget_set_default_colormap( cmap );
- */
+ /* Nothing to do for 15, 16, 24, 32 bit displays */
+ if (visual->depth > 8) return TRUE;
/* initialize color cube for 8-bit color reduction dithering */
int index = -1;
GdkColor *colors = cmap->colors;
- if(colors)
+ if (colors)
{
int max = 3 * 65536;
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( wxT("Unsupported graphics hardware") );
+#endif
+ }
m_colorCube[ (r*1024) + (g*32) + b ] = index;
}
}
void wxApp::OnIdle( wxIdleEvent &event )
{
- static bool inOnIdle = FALSE;
+ static bool s_inOnIdle = FALSE;
/* Avoid recursion (via ProcessEvent default case) */
- if (inOnIdle)
+ if (s_inOnIdle)
return;
- inOnIdle = TRUE;
+ s_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 */
- wxLog *log = wxLog::GetActiveTarget();
- if (log != NULL && log->HasPendingMessages())
- log->Flush();
-
/* Send OnIdle events to all windows */
bool needMore = SendIdleEvents();
if (needMore)
event.RequestMore(TRUE);
- inOnIdle = FALSE;
+ s_inOnIdle = FALSE;
+
+ /* flush the logged messages if any */
+#if wxUSE_LOG
+ wxLog::FlushActive();
+#endif // wxUSE_LOG
}
bool wxApp::SendIdleEvents()
wxIdleEvent event;
event.SetEventObject(win);
- win->OnInternalIdle();
-
win->ProcessEvent(event);
+ win->OnInternalIdle();
+
if (event.MoreRequested())
needMore = TRUE;
void wxApp::ExitMainLoop()
{
- gtk_main_quit();
+ if (gtk_main_level() > 0)
+ gtk_main_quit();
}
bool wxApp::Initialized()
gtk_main_iteration();
}
-#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();
}
}
-wxWindow *wxApp::GetTopWindow()
-{
- 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;
-}
-
bool wxApp::Initialize()
{
wxBuffer = new wxChar[BUFSIZ + 512];
wxPendingEventsLocker = new wxCriticalSection();
#endif
-/*
- wxTheFontNameDirectory = new wxFontNameDirectory;
- wxTheFontNameDirectory->Initialize();
-*/
-
wxTheColourDatabase = new wxColourDatabase( wxKEY_STRING );
wxTheColourDatabase->Initialize();
wxInitializeStockObjects();
#if wxUSE_WX_RESOURCES
- wxTheResourceCache = new wxResourceCache( wxKEY_STRING );
-
wxInitializeResourceSystem();
#endif
- wxImage::InitStandardHandlers();
-
- /* no global cursor under X
- g_globalCursor = new wxCursor; */
-
wxModule::RegisterModules();
if (!wxModule::InitializeModules()) return FALSE;
wxModule::CleanUpModules();
#if wxUSE_WX_RESOURCES
- wxFlushResources();
-
- if (wxTheResourceCache)
- delete wxTheResourceCache;
- wxTheResourceCache = (wxResourceCache*) NULL;
-
wxCleanUpResourceSystem();
#endif
if (wxTheColourDatabase)
delete wxTheColourDatabase;
- wxTheColourDatabase = (wxColourDatabase*) NULL;
-/*
- if (wxTheFontNameDirectory) delete wxTheFontNameDirectory;
- wxTheFontNameDirectory = (wxFontNameDirectory*) NULL;
-*/
+ wxTheColourDatabase = (wxColourDatabase*) NULL;
wxDeleteStockObjects();
wxDeleteStockLists();
- wxImage::CleanUpHandlers();
-
delete wxTheApp;
wxTheApp = (wxApp*) NULL;
#if (defined(__WXDEBUG__) && wxUSE_MEMORY_TRACING) || wxUSE_DEBUG_CONTEXT
if (wxDebugContext::CountObjectsLeft() > 0)
{
- wxLogDebug(_T("There were memory leaks.\n"));
+ wxLogDebug(wxT("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;
+#endif // wxUSE_LOG
}
//-----------------------------------------------------------------------------
int wxEntry( int argc, char *argv[] )
{
+#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" );
+ }
+ else
+ {
+ g_thread_init(NULL);
+ }
+#endif
+
gtk_set_locale();
+#if wxUSE_WCHAR_T
+ if (!wxOKlibc()) wxConvCurrent = &wxConvLocal;
+#else
+ if (!wxOKlibc()) wxConvCurrent = (wxMBConv*) NULL;
+#endif
+
+ gdk_threads_enter();
+
gtk_init( &argc, &argv );
+ wxSetDetectableAutoRepeat( TRUE );
+
if (!wxApp::Initialize())
+ {
+ gdk_threads_leave();
return -1;
+ }
if (!wxTheApp)
{
wxCHECK_MSG( wxApp::GetInitializerFunction(), -1,
- _T("wxWindows error: No initializer - use IMPLEMENT_APP macro.\n") );
+ wxT("wxWindows error: No initializer - use IMPLEMENT_APP macro.\n") );
wxAppInitializerFunction app_ini = wxApp::GetInitializerFunction();
wxTheApp = (wxApp*) test_app;
}
- wxCHECK_MSG( wxTheApp, -1, _T("wxWindows error: no application object") );
+ wxCHECK_MSG( wxTheApp, -1, wxT("wxWindows error: no application object") );
wxTheApp->argc = argc;
+#if wxUSE_UNICODE
+ wxTheApp->argv = new wxChar*[argc+1];
+ int mb_argc = 0;
+ while (mb_argc < argc)
+ {
+ wxTheApp->argv[mb_argc] = wxStrdup(wxConvLibc.cMB2WX(argv[mb_argc]));
+ mb_argc++;
+ }
+ wxTheApp->argv[mb_argc] = (wxChar *)NULL;
+#else
wxTheApp->argv = argv;
+#endif
wxString name(wxFileNameFromPath(argv[0]));
wxStripExtension( name );
if ( !wxTheApp->OnInitGui() )
retValue = -1;
+ wxRootWindow = gtk_window_new( GTK_WINDOW_TOPLEVEL );
+ gtk_widget_realize( wxRootWindow );
+
// Here frames insert themselves automatically into wxTopLevelWindows by
// getting created in OnInit().
if ( retValue == 0 )
if ( retValue == 0 )
{
+ /* 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
+ wxTheApp->OnRun();
+
+ wxWindow *topWindow = wxTheApp->GetTopWindow();
+ if (topWindow)
{
- delete topWindow;
- wxTheApp->SetTopWindow( (wxWindow*) NULL );
+ /* 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();
+ retValue = wxTheApp->OnExit();
+ }
}
+#if wxUSE_LOG
// flush the logged messages if any
wxLog *log = wxLog::GetActiveTarget();
if (log != NULL && log->HasPendingMessages())
wxLog *oldlog = wxLog::SetActiveTarget(new wxLogStderr);
if ( oldlog )
delete oldlog;
+#endif // wxUSE_LOG
wxApp::CleanUp();
+ gdk_threads_leave();
+
return retValue;
}
+#include "wx/gtk/info.xpm"
+#include "wx/gtk/error.xpm"
+#include "wx/gtk/question.xpm"
+#include "wx/gtk/warning.xpm"
+
+wxIcon
+wxApp::GetStdIcon(int which) const
+{
+ switch(which)
+ {
+ case wxICON_INFORMATION:
+ return wxIcon(info_xpm);
+
+ case wxICON_QUESTION:
+ return wxIcon(question_xpm);
+
+ case wxICON_EXCLAMATION:
+ return wxIcon(warning_xpm);
+
+ default:
+ wxFAIL_MSG(wxT("requested non existent standard icon"));
+ // still fall through
+
+ case wxICON_HAND:
+ return wxIcon(error_xpm);
+ }
+}
projects / wxWidgets.git / blobdiff