/////////////////////////////////////////////////////////////////////////////
-// Name: app.cpp
+// Name: src/gtk/app.cpp
// Purpose:
// Author: Robert Roebling
-// Created: 01/02/97
-// Id:
-// Copyright: (c) 1998 Robert Roebling, Julian Smart and Markus Holzem
-// Licence: wxWindows licence
+// Id: $Id$
+// Copyright: (c) 1998 Robert Roebling, Julian Smart
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
-#ifdef __GNUG__
-#pragma implementation "app.h"
-#endif
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
#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"
+#ifndef WX_PRECOMP
+ #include "wx/intl.h"
+ #include "wx/log.h"
+ #include "wx/utils.h"
+ #include "wx/memory.h"
+ #include "wx/font.h"
+#endif
+
+#include "wx/thread.h"
-#ifdef USE_GDK_IMLIB
-#include "gdk_imlib.h"
+#ifdef __WXGPE__
+ #include <gpe/init.h>
#endif
+#include "wx/gtk/private.h"
+#include "wx/apptrait.h"
+
+#if wxUSE_LIBHILDON
+ #include <hildon-widgets/hildon-program.h>
+#endif // wxUSE_LIBHILDON
+
+#include <gdk/gdkx.h>
+
//-----------------------------------------------------------------------------
-// global data
+// link GnomeVFS
//-----------------------------------------------------------------------------
-wxApp *wxTheApp = NULL;
-wxAppInitializerFunction wxApp::m_appInitFn = (wxAppInitializerFunction) NULL;
-
-extern wxList wxPendingDelete;
+#if wxUSE_MIMETYPE && wxUSE_LIBGNOMEVFS
+ #include "wx/link.h"
+ wxFORCE_LINK_MODULE(gnome_vfs)
+#endif
//-----------------------------------------------------------------------------
-// local functions
+// global data
//-----------------------------------------------------------------------------
-extern void wxFlushResources(void);
+static GtkWidget *gs_RootWindow = (GtkWidget*) NULL;
//-----------------------------------------------------------------------------
-// global functions
+// wxYield
//-----------------------------------------------------------------------------
-void wxExit(void)
-{
- gtk_main_quit();
-};
+// not static because used by textctrl.cpp
+//
+// MT-FIXME
+bool wxIsInsideYield = false;
-bool wxYield(void)
+bool wxApp::Yield(bool onlyIfNeeded)
{
- while (gtk_events_pending() > 0) gtk_main_iteration();
- return TRUE;
-};
+ if ( wxIsInsideYield )
+ {
+ if ( !onlyIfNeeded )
+ {
+ wxFAIL_MSG( wxT("wxYield called recursively" ) );
+ }
+
+ return false;
+ }
+
+#if wxUSE_THREADS
+ if ( !wxThread::IsMain() )
+ {
+ // can't call gtk_main_iteration() from other threads like this
+ return true;
+ }
+#endif // wxUSE_THREADS
+
+ wxIsInsideYield = true;
+
+#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 (EventsPending())
+ gtk_main_iteration();
+
+ // 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). But we
+ // call ProcessIdle() only once since this is not meant for longish
+ // background jobs (controlled by wxIdleEvent::RequestMore() and the
+ // return value of Processidle().
+ ProcessIdle();
+
+#if wxUSE_LOG
+ // let the logs be flashed again
+ wxLog::Resume();
+#endif
+
+ wxIsInsideYield = false;
+
+ return true;
+}
//-----------------------------------------------------------------------------
-// wxApp
+// local functions
//-----------------------------------------------------------------------------
-IMPLEMENT_DYNAMIC_CLASS(wxApp,wxEvtHandler)
-
-gint wxapp_idle_callback( gpointer WXUNUSED(data) )
+// One-shot signal emission hook, to install idle handler.
+extern "C" {
+static gboolean
+wx_emission_hook(GSignalInvocationHint*, guint, const GValue*, gpointer data)
{
- if (wxTheApp) wxTheApp->OnIdle();
- usleep( 10000 );
- return TRUE;
-};
+ 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;
+}
+}
-wxApp::wxApp()
+// Add signal emission hooks, to re-install idle handler when needed.
+static void wx_add_idle_hooks()
{
- m_idleTag = 0;
- m_topWindow = NULL;
- m_exitOnFrameDelete = TRUE;
-};
+ // "event" hook
+ {
+ 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);
+ }
+ }
+}
-wxApp::~wxApp(void)
+extern "C" {
+static gboolean wxapp_idle_callback(gpointer)
{
- gtk_idle_remove( m_idleTag );
-};
+ return wxTheApp->DoIdle();
+}
+}
-bool wxApp::OnInit(void)
+bool wxApp::DoIdle()
{
- return TRUE;
-};
+ guint id_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.
+#if wxUSE_THREADS
+ wxMutexLocker lock(*m_idleMutex);
+#endif
+ 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
+ }
-bool wxApp::OnInitGui(void)
-{
- m_idleTag = gtk_idle_add( wxapp_idle_callback, NULL );
- return TRUE;
-};
+ gdk_threads_enter();
+ bool needMore;
+ do {
+ needMore = ProcessIdle();
+ } while (needMore && gtk_events_pending() == 0);
+ gdk_threads_leave();
-int wxApp::OnRun(void)
-{
- return MainLoop();
-};
+#if wxUSE_THREADS
+ wxMutexLocker lock(*m_idleMutex);
+#endif
+ // if a new idle source was added during ProcessIdle
+ if (m_idleSourceId != 0)
+ {
+ // remove it
+ g_source_remove(m_idleSourceId);
+ m_idleSourceId = 0;
+ }
-bool wxApp::OnIdle(void)
-{
- DeletePendingObjects();
- return FALSE;
-};
+ // Pending events can be added asynchronously,
+ // need to keep idle source if any have appeared
+ needMore = needMore || HasPendingEvents();
-int wxApp::OnExit(void)
-{
- return 0;
-};
+ // if more idle processing requested
+ if (needMore)
+ {
+ // keep this source installed
+ m_idleSourceId = id_save;
+ return true;
+ }
+ // add hooks and remove this source
+ wx_add_idle_hooks();
+ return false;
+}
-int wxApp::MainLoop(void)
-{
- gtk_main();
- return 0;
-};
+//-----------------------------------------------------------------------------
+// Access to the root window global
+//-----------------------------------------------------------------------------
-void wxApp::ExitMainLoop(void)
+GtkWidget* wxGetRootWindow()
{
- gtk_main_quit();
-};
+ if (gs_RootWindow == NULL)
+ {
+ gs_RootWindow = gtk_window_new( GTK_WINDOW_TOPLEVEL );
+ gtk_widget_realize( gs_RootWindow );
+ }
+ return gs_RootWindow;
+}
-bool wxApp::Initialized(void)
-{
- return m_initialized;
-};
+//-----------------------------------------------------------------------------
+// wxApp
+//-----------------------------------------------------------------------------
+
+IMPLEMENT_DYNAMIC_CLASS(wxApp,wxEvtHandler)
-bool wxApp::Pending(void)
+wxApp::wxApp()
{
- return FALSE;
-};
+#ifdef __WXDEBUG__
+ m_isInAssert = false;
+#endif // __WXDEBUG__
+#if wxUSE_THREADS
+ m_idleMutex = NULL;
+#endif
+ m_idleSourceId = 0;
+}
-void wxApp::Dispatch(void)
+wxApp::~wxApp()
{
-};
+}
-void wxApp::DeletePendingObjects(void)
+bool wxApp::SetNativeTheme(const wxString& theme)
{
- wxNode *node = wxPendingDelete.First();
- while (node)
- {
- wxObject *obj = (wxObject *)node->Data();
-
- delete obj;
+ wxString path;
+ path = gtk_rc_get_theme_dir();
+ path += "/";
+ path += theme.utf8_str();
+ path += "/gtk-2.0/gtkrc";
+
+ if ( wxFileExists(path.utf8_str()) )
+ gtk_rc_add_default_file(path.utf8_str());
+ else if ( wxFileExists(theme.utf8_str()) )
+ gtk_rc_add_default_file(theme.utf8_str());
+ else
+ {
+ wxLogWarning("Theme \"%s\" not available.", theme);
+
+ return false;
+ }
- if (wxPendingDelete.Member(obj))
- delete node;
+ gtk_rc_reparse_all_for_settings(gtk_settings_get_default(), TRUE);
- node = wxPendingDelete.First();
- };
-};
+ return true;
+}
-wxWindow *wxApp::GetTopWindow(void)
+bool wxApp::OnInitGui()
{
- if (m_topWindow) return m_topWindow;
- wxNode *node = wxTopLevelWindows.First();
- if (!node) return NULL;
- return (wxWindow*)node->Data();
-};
+ if ( !wxAppBase::OnInitGui() )
+ return false;
+
+ // if this is a wxGLApp (derived from wxApp), and we've already
+ // chosen a specific visual, then derive the GdkVisual from that
+ if ( GetXVisualInfo() )
+ {
+ GdkVisual* vis = gtk_widget_get_default_visual();
+
+ GdkColormap *colormap = gdk_colormap_new( vis, FALSE );
+ gtk_widget_set_default_colormap( colormap );
+ }
+ else
+ {
+ // On some machines, the default visual is just 256 colours, so
+ // we make sure we get the best. This can sometimes be wasteful.
+ if (m_useBestVisual)
+ {
+ if (m_forceTrueColour)
+ {
+ GdkVisual* visual = gdk_visual_get_best_with_both( 24, GDK_VISUAL_TRUE_COLOR );
+ if (!visual)
+ {
+ wxLogError(wxT("Unable to initialize TrueColor visual."));
+ return false;
+ }
+ GdkColormap *colormap = gdk_colormap_new( visual, FALSE );
+ gtk_widget_set_default_colormap( colormap );
+ }
+ else
+ {
+ if (gdk_visual_get_best() != gdk_visual_get_system())
+ {
+ GdkVisual* visual = gdk_visual_get_best();
+ GdkColormap *colormap = gdk_colormap_new( visual, FALSE );
+ gtk_widget_set_default_colormap( colormap );
+ }
+ }
+ }
+ }
+
+#if wxUSE_LIBHILDON
+ m_hildonProgram = hildon_program_get_instance();
+ if ( !m_hildonProgram )
+ {
+ wxLogError(_("Unable to initialize Hildon program"));
+ return false;
+ }
+#endif // wxUSE_LIBHILDON
-void wxApp::SetTopWindow( wxWindow *win )
+ return true;
+}
+
+GdkVisual *wxApp::GetGdkVisual()
{
- m_topWindow = win;
-};
+ GdkVisual *visual = NULL;
+
+ XVisualInfo *xvi = (XVisualInfo *)GetXVisualInfo();
+ if ( xvi )
+ visual = gdkx_visual_get( xvi->visualid );
+ else
+ visual = gdk_drawable_get_visual( wxGetRootWindow()->window );
+
+ wxASSERT( visual );
-void wxApp::CommonInit(void)
+ return visual;
+}
+
+// use unusual names for the parameters to avoid conflict with wxApp::arg[cv]
+bool wxApp::Initialize(int& argc_, wxChar **argv_)
{
+ if ( !wxAppBase::Initialize(argc_, argv_) )
+ return false;
-/*
-#if USE_RESOURCES
- (void) wxGetResource("wxWindows", "OsVersion", &wxOsVersion);
-#endif
-*/
+#if wxUSE_THREADS
+ if (!g_thread_supported())
+ {
+ g_thread_init(NULL);
+ gdk_threads_init();
+ }
+#endif // wxUSE_THREADS
+
+ // gtk+ 2.0 supports Unicode through UTF-8 strings
+ wxConvCurrent = &wxConvUTF8;
+
+ // decide which conversion to use for the file names
+
+ // (1) this variable exists for the sole purpose of specifying the encoding
+ // of the filenames for GTK+ programs, so use it if it is set
+ wxString encName(wxGetenv(_T("G_FILENAME_ENCODING")));
+ encName = encName.BeforeFirst(_T(','));
+ if (encName.CmpNoCase(_T("@locale")) == 0)
+ encName.clear();
+ encName.MakeUpper();
+#if wxUSE_INTL
+ if (encName.empty())
+ {
+ // (2) if a non default locale is set, assume that the user wants his
+ // filenames in this locale too
+ encName = wxLocale::GetSystemEncodingName().Upper();
+ // (3) finally use UTF-8 by default
+ if (encName.empty() || encName == _T("US-ASCII"))
+ encName = _T("UTF-8");
+ wxSetEnv(_T("G_FILENAME_ENCODING"), encName);
+ }
+#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;
+ int i;
+
+#if wxUSE_UNICODE
+ // gtk_init() wants UTF-8, not wchar_t, so convert
+ char **argvGTK = new char *[argc_ + 1];
+ for ( i = 0; i < argc_; i++ )
+ {
+ argvGTK[i] = wxStrdupA(wxConvUTF8.cWX2MB(argv_[i]));
+ }
- wxTheColourDatabase = new wxColourDatabase(wxKEY_STRING);
- wxTheColourDatabase->Initialize();
- wxInitializeStockObjects();
+ argvGTK[argc_] = NULL;
- // For PostScript printing
-#if USE_POSTSCRIPT
- wxInitializePrintSetupData();
- wxThePrintPaperDatabase = new wxPrintPaperDatabase;
- wxThePrintPaperDatabase->CreateDatabase();
+ int argcGTK = argc_;
+
+#ifdef __WXGPE__
+ init_result = true; // is there a _check() version of this?
+ gpe_application_init( &argcGTK, &argvGTK );
+#else
+ init_result = gtk_init_check( &argcGTK, &argvGTK );
#endif
+ wxUpdateLocaleIsUtf8();
+ 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 )
+ {
+ memmove(argv_ + i, argv_ + i + 1, (argc_ - i)*sizeof(*argv_));
+ }
+ }
+
+ argc_ = argcGTK;
+ argv_[argc_] = NULL;
+ }
+ //else: gtk_init() didn't modify our parameters
+
+ // free our copy
+ for ( i = 0; i < argcGTK; i++ )
+ {
+ free(argvGTK[i]);
+ }
-/*
- wxBitmap::InitStandardHandlers();
+ delete [] argvGTK;
+#else // !wxUSE_UNICODE
+ // 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_ );
+#endif // wxUSE_UNICODE/!wxUSE_UNICODE
- g_globalCursor = new wxCursor;
-*/
+ // update internal arg[cv] as GTK+ may have removed processed options:
+ this->argc = argc_;
+ this->argv = argv_;
- wxInitializeStockObjects();
-};
+ if ( m_traits )
+ {
+ // 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 ( 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;
+ }
-void wxApp::CommonCleanUp(void)
-{
- wxDeleteStockObjects();
-
- wxFlushResources();
-};
-
-wxLog *wxApp::CreateLogTarget()
-{
- return new wxLogGui;
+ // 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;
}
-//-----------------------------------------------------------------------------
-// wxEntry
-//-----------------------------------------------------------------------------
+void wxApp::CleanUp()
+{
+ if (m_idleSourceId != 0)
+ g_source_remove(m_idleSourceId);
+
+ // release reference acquired by Initialize()
+ g_type_class_unref(g_type_class_peek(GTK_TYPE_WIDGET));
+
+ gdk_threads_leave();
+
+ wxAppBase::CleanUp();
+
+ // delete this mutex as late as possible as it's used from WakeUpIdle(), in
+ // particular do it after calling the base class CleanUp() which can result
+ // in it being called
+#if wxUSE_THREADS
+ delete m_idleMutex;
+ m_idleMutex = NULL;
+#endif
+}
-int wxEntry( int argc, char *argv[] )
+void wxApp::WakeUpIdle()
{
- wxBuffer = new char[BUFSIZ + 512];
+#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);
+}
- wxClassInfo::InitializeClasses();
-
- if (!wxTheApp)
- {
- if (!wxApp::GetInitializerFunction())
+// 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)
{
- 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;
-};
+ g_source_remove(m_idleSourceId);
+ m_idleSourceId = 0;
+ wx_add_idle_hooks();
+ }
+ return gtk_events_pending() != 0;
+}
-//-----------------------------------------------------------------------------
-// main()
-//-----------------------------------------------------------------------------
+#ifdef __WXDEBUG__
-#if defined(AIX) || defined(AIX4) /* || defined(____HPUX__) */
+void wxApp::OnAssertFailure(const wxChar *file,
+ int line,
+ const wxChar* func,
+ const wxChar* cond,
+ const wxChar *msg)
+{
- // main in IMPLEMENT_WX_MAIN in IMPLEMENT_APP in app.h
+ // block wx idle events while assert dialog is showing
+ m_isInAssert = true;
-#else
+ wxAppBase::OnAssertFailure(file, line, func, cond, msg);
- int main(int argc, char *argv[]) { return wxEntry(argc, argv); }
+ m_isInAssert = false;
+}
-#endif
+#endif // __WXDEBUG__
+#if wxUSE_THREADS
+void wxGUIAppTraits::MutexGuiEnter()
+{
+ gdk_threads_enter();
+}
+void wxGUIAppTraits::MutexGuiLeave()
+{
+ gdk_threads_leave();
+}
+#endif // wxUSE_THREADS
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