#include "wx/gtk/win_gtk.h"
#include "wx/gtk/private.h"
+#include "wx/apptrait.h"
#include <gdk/gdkx.h>
static GtkWidget *gs_RootWindow = (GtkWidget*) NULL;
-//-----------------------------------------------------------------------------
-// idle system
-//-----------------------------------------------------------------------------
-
-void wxapp_install_idle_handler();
-
-#if wxUSE_THREADS
-static wxMutex gs_idleTagsMutex;
-#endif
-
//-----------------------------------------------------------------------------
// wxYield
//-----------------------------------------------------------------------------
wxIsInsideYield = true;
- // We need to remove idle callbacks or the loop will
- // never finish.
- SuspendIdleCallback();
-
#if wxUSE_LOG
// disable log flushing from here because a call to wxYield() shouldn't
// normally result in message boxes popping up &c
wxLog::Suspend();
#endif
- while (gtk_events_pending())
+ while (EventsPending())
gtk_main_iteration();
// It's necessary to call ProcessIdle() to update the frames sizes which
return true;
}
-//-----------------------------------------------------------------------------
-// wxWakeUpIdle
-//-----------------------------------------------------------------------------
-
-// RR/KH: No wxMutexGui calls are needed here according to the GTK faq,
-// http://www.gtk.org/faq/#AEN500 - this caused problems for wxPostEvent.
-
-void wxApp::WakeUpIdle()
-{
- wxapp_install_idle_handler();
-}
-
//-----------------------------------------------------------------------------
// local functions
//-----------------------------------------------------------------------------
-// the callback functions must be extern "C" to comply with GTK+ declarations
-extern "C"
-{
-
-// One-shot emission hook for "event" signal, to install idle handler.
-// This will be called when the "event" signal is issued on any GtkWidget object.
+// One-shot signal emission hook, to install idle handler.
+extern "C" {
static gboolean
-event_emission_hook(GSignalInvocationHint*, guint, const GValue*, gpointer)
+wx_emission_hook(GSignalInvocationHint*, guint, const GValue*, gpointer data)
{
- wxapp_install_idle_handler();
+ wxApp* app = wxTheApp;
+ if (app != NULL)
+ app->WakeUpIdle();
+ gulong* hook_id = (gulong*)data;
+ // record that hook is not installed
+ *hook_id = 0;
// remove hook
return false;
}
+}
-// add emission hook for "event" signal, to re-install idle handler when needed
-static inline void wxAddEmissionHook()
+// Add signal emission hooks, to re-install idle handler when needed.
+static void wx_add_idle_hooks()
{
- GType widgetType = GTK_TYPE_WIDGET;
- // if GtkWidget type is loaded
- if (g_type_class_peek(widgetType) != NULL)
+ // "event" hook
{
- guint sig_id = g_signal_lookup("event", widgetType);
- g_signal_add_emission_hook(sig_id, 0, event_emission_hook, NULL, NULL);
+ static gulong hook_id = 0;
+ if (hook_id == 0)
+ {
+ static guint sig_id = 0;
+ if (sig_id == 0)
+ sig_id = g_signal_lookup("event", GTK_TYPE_WIDGET);
+ hook_id = g_signal_add_emission_hook(
+ sig_id, 0, wx_emission_hook, &hook_id, NULL);
+ }
+ }
+ // "size_allocate" hook
+ // Needed to match the behavior of the old idle system,
+ // but probably not necessary.
+ {
+ static gulong hook_id = 0;
+ if (hook_id == 0)
+ {
+ static guint sig_id = 0;
+ if (sig_id == 0)
+ sig_id = g_signal_lookup("size_allocate", GTK_TYPE_WIDGET);
+ hook_id = g_signal_add_emission_hook(
+ sig_id, 0, wx_emission_hook, &hook_id, NULL);
+ }
}
}
-static gint wxapp_idle_callback( gpointer WXUNUSED(data) )
+extern "C" {
+static gboolean wxapp_idle_callback(gpointer)
{
- // this does not look possible, but just in case...
- if (!wxTheApp)
- return false;
-
- bool moreIdles = false;
+ return wxTheApp->DoIdle();
+}
+}
-#ifdef __WXDEBUG__
- // don't generate the idle events while the assert modal dialog is shown,
- // this matches the behavior of wxMSW
- if (!wxTheApp->IsInAssert())
-#endif // __WXDEBUG__
+bool wxApp::DoIdle()
+{
+ guint id_save;
{
- guint idleID_save;
- {
- // Allow another idle source to be added while this one is busy.
- // Needed if an idle event handler runs a new event loop,
- // for example by showing a dialog.
+ // Allow another idle source to be added while this one is busy.
+ // Needed if an idle event handler runs a new event loop,
+ // for example by showing a dialog.
#if wxUSE_THREADS
- wxMutexLocker lock(gs_idleTagsMutex);
+ wxMutexLocker lock(*m_idleMutex);
#endif
- idleID_save = wxTheApp->m_idleTag;
- wxTheApp->m_idleTag = 0;
- g_isIdle = true;
- wxAddEmissionHook();
- }
-
- // 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();
+ id_save = m_idleSourceId;
+ m_idleSourceId = 0;
+ wx_add_idle_hooks();
+#ifdef __WXDEBUG__
+ // don't generate the idle events while the assert modal dialog is shown,
+ // this matches the behavior of wxMSW
+ if (m_isInAssert)
+ return false;
+#endif
+ }
- // Send idle event to all who request them as long as
- // no events have popped up in the event queue.
- do {
- moreIdles = wxTheApp->ProcessIdle();
- } while (moreIdles && gtk_events_pending() == 0);
+ gdk_threads_enter();
+ bool needMore;
+ do {
+ needMore = ProcessIdle();
+ } while (needMore && gtk_events_pending() == 0);
+ gdk_threads_leave();
- // Release lock again
- gdk_threads_leave();
-
- {
- // If another idle source was added, remove it
#if wxUSE_THREADS
- wxMutexLocker lock(gs_idleTagsMutex);
+ wxMutexLocker lock(*m_idleMutex);
#endif
- if (wxTheApp->m_idleTag != 0)
- g_source_remove(wxTheApp->m_idleTag);
- wxTheApp->m_idleTag = idleID_save;
- g_isIdle = false;
- }
+ // if a new idle source was added during ProcessIdle
+ if (m_idleSourceId != 0)
+ {
+ // remove it
+ g_source_remove(m_idleSourceId);
+ m_idleSourceId = 0;
}
-
- if (!moreIdles)
+ // if more idle processing requested
+ if (needMore)
{
-#if wxUSE_THREADS
- wxMutexLocker lock(gs_idleTagsMutex);
-#endif
- // Indicate that we are now in idle mode and event handlers
- // will have to reinstall the idle handler again.
- g_isIdle = true;
- wxTheApp->m_idleTag = 0;
-
- wxAddEmissionHook();
+ // keep this source installed
+ m_idleSourceId = id_save;
+ return true;
}
-
- // Return FALSE if no more idle events are to be sent
- return moreIdles;
+ // add hooks and remove this source
+ wx_add_idle_hooks();
+ return false;
}
-} // extern "C"
#if wxUSE_THREADS
#endif // wxUSE_THREADS
-void wxapp_install_idle_handler()
-{
- if (wxTheApp == NULL)
- return;
-
-#if wxUSE_THREADS
- wxMutexLocker lock(gs_idleTagsMutex);
-#endif
-
- // Don't install the handler if it's already installed. This test *MUST*
- // be done when gs_idleTagsMutex is locked!
- if (!g_isIdle)
- return;
-
- // GD: this assert is raised when using the thread sample (which works)
- // so the test is probably not so easy. Can widget callbacks be
- // triggered from child threads and, if so, for which widgets?
- // wxASSERT_MSG( wxThread::IsMain() || gs_WakeUpIdle, wxT("attempt to install idle handler from widget callback in child thread (should be exclusively from wxWakeUpIdle)") );
-
- wxASSERT_MSG( wxTheApp->m_idleTag == 0, wxT("attempt to install idle handler twice") );
-
- g_isIdle = false;
-
- // 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). Very low priority.
- wxTheApp->m_idleTag = g_idle_add_full(G_PRIORITY_LOW, wxapp_idle_callback, NULL, NULL);
-}
-
//-----------------------------------------------------------------------------
// Access to the root window global
//-----------------------------------------------------------------------------
IMPLEMENT_DYNAMIC_CLASS(wxApp,wxEvtHandler)
-BEGIN_EVENT_TABLE(wxApp, wxEvtHandler)
- EVT_IDLE(wxAppBase::OnIdle)
-END_EVENT_TABLE()
-
wxApp::wxApp()
{
#ifdef __WXDEBUG__
m_isInAssert = false;
#endif // __WXDEBUG__
-
- m_idleTag = 0;
- g_isIdle = true;
- wxapp_install_idle_handler();
-
- // this is NULL for a "regular" wxApp, but is set (and freed) by a wxGLApp
- m_glVisualInfo = (void *) NULL;
- m_glFBCInfo = (void *) NULL;
+#if wxUSE_THREADS
+ m_idleMutex = NULL;
+#endif
+ m_idleSourceId = 0;
}
wxApp::~wxApp()
{
- if (m_idleTag)
- g_source_remove( m_idleTag );
}
bool wxApp::OnInitGui()
// if this is a wxGLApp (derived from wxApp), and we've already
// chosen a specific visual, then derive the GdkVisual from that
- if (m_glVisualInfo != NULL)
+ if ( GetXVisualInfo() )
{
GdkVisual* vis = gtk_widget_get_default_visual();
{
GdkVisual *visual = NULL;
- if (m_glVisualInfo)
- visual = gdkx_visual_get( ((XVisualInfo *) m_glVisualInfo)->visualid );
+ XVisualInfo *xvi = (XVisualInfo *)GetXVisualInfo();
+ if ( xvi )
+ visual = gdkx_visual_get( xvi->visualid );
else
visual = gdk_drawable_get_visual( wxGetRootWindow()->window );
return visual;
}
-bool wxApp::Initialize(int& argc, wxChar **argv)
+// use unusual names for the parameters to avoid conflict with wxApp::arg[cv]
+bool wxApp::Initialize(int& argc_, wxChar **argv_)
{
- bool init_result;
+ if ( !wxAppBase::Initialize(argc_, argv_) )
+ return false;
#if wxUSE_THREADS
if (!g_thread_supported())
g_main_context_set_poll_func(NULL, wxapp_poll_func);
#endif // wxUSE_THREADS
- gtk_set_locale();
-
// We should have the wxUSE_WCHAR_T test on the _outside_
#if wxUSE_WCHAR_T
// gtk+ 2.0 supports Unicode through UTF-8 strings
#else
if (encName.empty())
encName = _T("UTF-8");
+
+ // if wxUSE_INTL==0 it probably indicates that only "C" locale is supported
+ // by the program anyhow so prevent GTK+ from calling setlocale(LC_ALL, "")
+ // from gtk_init_check() as it does by default
+ gtk_disable_setlocale();
+
#endif // wxUSE_INTL
static wxConvBrokenFileNames fileconv(encName);
wxConvFileName = &fileconv;
+
+ bool init_result;
+
#if wxUSE_UNICODE
// gtk_init() wants UTF-8, not wchar_t, so convert
int i;
- char **argvGTK = new char *[argc + 1];
- for ( i = 0; i < argc; i++ )
+ char **argvGTK = new char *[argc_ + 1];
+ for ( i = 0; i < argc_; i++ )
{
- argvGTK[i] = wxStrdupA(wxConvUTF8.cWX2MB(argv[i]));
+ argvGTK[i] = wxStrdupA(wxConvUTF8.cWX2MB(argv_[i]));
}
- argvGTK[argc] = NULL;
+ argvGTK[argc_] = NULL;
- int argcGTK = argc;
+ int argcGTK = argc_;
#ifdef __WXGPE__
init_result = true; // is there a _check() version of this?
#else
init_result = gtk_init_check( &argcGTK, &argvGTK );
#endif
+ wxUpdateLocaleIsUtf8();
- if ( argcGTK != argc )
+ if ( argcGTK != argc_ )
{
// we have to drop the parameters which were consumed by GTK+
for ( i = 0; i < argcGTK; i++ )
{
- while ( strcmp(wxConvUTF8.cWX2MB(argv[i]), argvGTK[i]) != 0 )
+ while ( strcmp(wxConvUTF8.cWX2MB(argv_[i]), argvGTK[i]) != 0 )
{
- memmove(argv + i, argv + i + 1, argc - i);
+ memmove(argv_ + i, argv_ + i + 1, (argc_ - i)*sizeof(*argv_));
}
}
- argc = argcGTK;
+ argc_ = argcGTK;
}
//else: gtk_init() didn't modify our parameters
delete [] argvGTK;
#else // !wxUSE_UNICODE
- // gtk_init() shouldn't actually change argv itself (just its contents) so
+ // gtk_init() shouldn't actually change argv_ itself (just its contents) so
// it's ok to pass pointer to it
- init_result = gtk_init_check( &argc, &argv );
+ init_result = gtk_init_check( &argc_, &argv_ );
#endif // wxUSE_UNICODE/!wxUSE_UNICODE
- if (!init_result) {
- wxLogError(wxT("Unable to initialize gtk, is DISPLAY set properly?"));
- return false;
- }
-
- // we can not enter threads before gtk_init is done
- gdk_threads_enter();
+ // update internal arg[cv] as GTK+ may have removed processed options:
+ this->argc = argc_;
+ this->argv = argv_;
- if ( !wxAppBase::Initialize(argc, argv) )
+ if ( m_traits )
{
- gdk_threads_leave();
+ // if there are still GTK+ standard options unparsed in the command
+ // line, it means that they were not syntactically correct and GTK+
+ // already printed a warning on the command line and we should now
+ // exit:
+ wxArrayString opt, desc;
+ m_traits->GetStandardCmdLineOptions(opt, desc);
+
+ for ( int i = 0; i < argc_; i++ )
+ {
+ // leave just the names of the options with values
+ const wxString str = wxString(argv_[i]).BeforeFirst('=');
+
+ for ( size_t j = 0; j < opt.size(); j++ )
+ {
+ // remove the leading spaces from the option string as it does
+ // have them
+ if ( opt[j].Trim(false).BeforeFirst('=') == str )
+ {
+ // a GTK+ option can be left on the command line only if
+ // there was an error in (or before, in another standard
+ // options) it, so abort, just as we do if incorrect
+ // program option is given
+ wxLogError(_("Invalid GTK+ command line option, use \"%s --help\""),
+ argv_[0]);
+ return false;
+ }
+ }
+ }
+ }
+ if ( !init_result )
+ {
+ wxLogError(_("Unable to initialize GTK+, is DISPLAY set properly?"));
return false;
}
+ // we can not enter threads before gtk_init is done
+ gdk_threads_enter();
+
wxSetDetectableAutoRepeat( true );
#if wxUSE_INTL
wxFont::SetDefaultEncoding(wxLocale::GetSystemEncoding());
#endif
+#if wxUSE_THREADS
+ m_idleMutex = new wxMutex;
+#endif
+ // make sure GtkWidget type is loaded, idle hooks need it
+ g_type_class_ref(GTK_TYPE_WIDGET);
+ WakeUpIdle();
+
return true;
}
void wxApp::CleanUp()
{
+ if (m_idleSourceId != 0)
+ g_source_remove(m_idleSourceId);
+#if wxUSE_THREADS
+ delete m_idleMutex;
+ m_idleMutex = NULL;
+#endif
+ // release reference acquired by Initialize()
+ g_type_class_unref(g_type_class_peek(GTK_TYPE_WIDGET));
+
gdk_threads_leave();
wxAppBase::CleanUp();
}
+void wxApp::WakeUpIdle()
+{
+#if wxUSE_THREADS
+ wxMutexLocker lock(*m_idleMutex);
+#endif
+ if (m_idleSourceId == 0)
+ m_idleSourceId = g_idle_add_full(G_PRIORITY_LOW, wxapp_idle_callback, NULL, NULL);
+}
+
+// Checking for pending events requires first removing our idle source,
+// otherwise it will cause the check to always return true.
+bool wxApp::EventsPending()
+{
+#if wxUSE_THREADS
+ wxMutexLocker lock(*m_idleMutex);
+#endif
+ if (m_idleSourceId != 0)
+ {
+ g_source_remove(m_idleSourceId);
+ m_idleSourceId = 0;
+ wx_add_idle_hooks();
+ }
+ return gtk_events_pending() != 0;
+}
+
#ifdef __WXDEBUG__
void wxApp::OnAssertFailure(const wxChar *file,
}
#endif // __WXDEBUG__
-
-void wxApp::SuspendIdleCallback()
-{
-#if wxUSE_THREADS
- wxMutexLocker lock(gs_idleTagsMutex);
-#endif
- if (m_idleTag != 0)
- {
- g_source_remove(m_idleTag);
- m_idleTag = 0;
- g_isIdle = true;
- wxAddEmissionHook();
- }
-}
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