// 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
+// Id: $Id$
+// Copyright: (c) 1998 Robert Roebling, Julian Smart
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifdef __GNUG__
-#pragma implementation "app.h"
+ #pragma implementation "app.h"
+#endif
+
+#ifdef __VMS
+#include <vms_jackets.h>
+#undef ConnectionNumber
#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 "wx/memory.h"
#include "wx/font.h"
#include "wx/settings.h"
-#include "wx/resource.h"
-
-#include "unistd.h"
+#include "wx/dialog.h"
+#include "wx/msgdlg.h"
+#include "wx/file.h"
+#include "wx/filename.h"
+#include "wx/module.h"
+#include "wx/image.h"
+
+#ifdef __WXUNIVERSAL__
+ #include "wx/univ/theme.h"
+ #include "wx/univ/renderer.h"
+#endif
-#ifdef USE_GDK_IMLIB
-#include "../gdk_imlib/gdk_imlib.h"
+#if wxUSE_THREADS
+ #include "wx/thread.h"
#endif
+#include <unistd.h>
+
+#ifdef HAVE_POLL
+ #if defined(__VMS)
+ #include <poll.h>
+ #else
+ // bug in the OpenBSD headers: at least in 3.1 there is no extern "C"
+ // in neither poll.h nor sys/poll.h which results in link errors later
+ #ifdef __OPENBSD__
+ extern "C"
+ {
+ #endif
+
+ #include <sys/poll.h>
+
+ #ifdef __OPENBSD__
+ };
+ #endif
+ #endif // platform
+#else // !HAVE_POLL
+ // we implement poll() ourselves using select() which is supposed exist in
+ // all modern Unices
+ #include <sys/types.h>
+ #include <sys/time.h>
+ #include <unistd.h>
+#endif // HAVE_POLL/!HAVE_POLL
+
+#include "wx/gtk/win_gtk.h"
+
+#include <gtk/gtk.h>
+
+
//-----------------------------------------------------------------------------
// global data
//-----------------------------------------------------------------------------
wxApp *wxTheApp = (wxApp *) NULL;
-wxAppInitializerFunction wxApp::m_appInitFn = (wxAppInitializerFunction) NULL;
+wxAppInitializerFunction wxAppBase::m_appInitFn = (wxAppInitializerFunction) NULL;
+
+bool g_mainThreadLocked = FALSE;
+gint g_pendingTag = 0;
-extern wxList wxPendingDelete;
-extern wxResourceCache *wxTheResourceCache;
+static GtkWidget *gs_RootWindow = (GtkWidget*) NULL;
//-----------------------------------------------------------------------------
-// local functions
+// idle system
//-----------------------------------------------------------------------------
-extern void wxFlushResources(void);
+extern bool g_isIdle;
+
+void wxapp_install_idle_handler();
//-----------------------------------------------------------------------------
-// global functions
+// wxExit
//-----------------------------------------------------------------------------
-void wxExit(void)
+void wxExit()
{
- gtk_main_quit();
+ gtk_main_quit();
+}
+
+//-----------------------------------------------------------------------------
+// wxYield
+//-----------------------------------------------------------------------------
+
+// not static because used by textctrl.cpp
+//
+// MT-FIXME
+bool wxIsInsideYield = FALSE;
+
+bool wxApp::Yield(bool onlyIfNeeded)
+{
+ 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 (!g_isIdle)
+ {
+ // We need to remove idle callbacks or the loop will
+ // never finish.
+ gtk_idle_remove( m_idleTag );
+ m_idleTag = 0;
+ g_isIdle = TRUE;
+ }
+
+ // disable log flushing from here because a call to wxYield() shouldn't
+ // normally result in message boxes popping up &c
+ wxLog::Suspend();
+
+ while (gtk_events_pending())
+ 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();
+
+ // let the logs be flashed again
+ wxLog::Resume();
+
+ wxIsInsideYield = FALSE;
+
+ return TRUE;
}
-bool wxYield(void)
+//-----------------------------------------------------------------------------
+// wxWakeUpIdle
+//-----------------------------------------------------------------------------
+
+static bool gs_WakeUpIdle = false;
+
+void wxWakeUpIdle()
{
- while (gtk_events_pending() > 0) gtk_main_iteration();
- return TRUE;
+#if wxUSE_THREADS
+ if (!wxThread::IsMain())
+ wxMutexGuiEnter();
+#endif
+
+ if (g_isIdle) {
+ gs_WakeUpIdle = true;
+ wxapp_install_idle_handler();
+ gs_WakeUpIdle = false;
+ }
+
+#if wxUSE_THREADS
+ if (!wxThread::IsMain())
+ wxMutexGuiLeave();
+#endif
+}
+
+//-----------------------------------------------------------------------------
+// local functions
+//-----------------------------------------------------------------------------
+
+// the callback functions must be extern "C" to comply with GTK+ declarations
+extern "C"
+{
+
+static gint wxapp_pending_callback( gpointer WXUNUSED(data) )
+{
+ if (!wxTheApp) return TRUE;
+
+ // 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();
+
+ // Sent idle event to all who request them.
+ wxTheApp->ProcessPendingEvents();
+
+ g_pendingTag = 0;
+
+ // Flush the logged messages if any.
+#if wxUSE_LOG
+ wxLog::FlushActive();
+#endif // wxUSE_LOG
+
+ // Release lock again
+ gdk_threads_leave();
+
+ // Return FALSE to indicate that no more idle events are
+ // to be sent (single shot instead of continuous stream)
+ return FALSE;
+}
+
+static gint wxapp_idle_callback( gpointer WXUNUSED(data) )
+{
+ if (!wxTheApp)
+ return TRUE;
+
+#ifdef __WXDEBUG__
+ // don't generate the idle events while the assert modal dialog is shown,
+ // this completely confuses the apps which don't expect to be reentered
+ // from some safely-looking functions
+ if ( wxTheApp->IsInAssert() )
+ {
+ // But repaint the assertion message if necessary
+ if (wxTopLevelWindows.GetCount() > 0)
+ {
+ wxWindow* win = (wxWindow*) wxTopLevelWindows.GetLast()->GetData();
+#ifdef __WXGTK20__
+ if (win->IsKindOf(CLASSINFO(wxMessageDialog)))
+#else
+ if (win->IsKindOf(CLASSINFO(wxGenericMessageDialog)))
+#endif
+ win->OnInternalIdle();
+ }
+ return TRUE;
+ }
+#endif // __WXDEBUG__
+
+ // 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();
+
+ // 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;
+
+ // Send idle event to all who request them as long as
+ // no events have popped up in the event queue.
+ while (wxTheApp->ProcessIdle() && (gtk_events_pending() == 0))
+ ;
+
+ // Release lock again
+ gdk_threads_leave();
+
+ // Return FALSE to indicate that no more idle events are
+ // to be sent (single shot instead of continuous stream).
+ return FALSE;
+}
+
+#if wxUSE_THREADS
+
+#ifdef HAVE_POLL
+ #define wxPoll poll
+ #define wxPollFd pollfd
+#else // !HAVE_POLL
+
+typedef GPollFD wxPollFd;
+
+int wxPoll(wxPollFd *ufds, unsigned int nfds, int timeout)
+{
+ // convert timeout from ms to struct timeval (s/us)
+ timeval tv_timeout;
+ tv_timeout.tv_sec = timeout/1000;
+ tv_timeout.tv_usec = (timeout%1000)*1000;
+
+ // remember the highest fd used here
+ int fdMax = -1;
+
+ // and fill the sets for select()
+ fd_set readfds;
+ fd_set writefds;
+ fd_set exceptfds;
+ FD_ZERO(&readfds);
+ FD_ZERO(&writefds);
+ FD_ZERO(&exceptfds);
+
+ unsigned int i;
+ for ( i = 0; i < nfds; i++ )
+ {
+ wxASSERT_MSG( ufds[i].fd < FD_SETSIZE, _T("fd out of range") );
+
+ if ( ufds[i].events & G_IO_IN )
+ FD_SET(ufds[i].fd, &readfds);
+
+ if ( ufds[i].events & G_IO_PRI )
+ FD_SET(ufds[i].fd, &exceptfds);
+
+ if ( ufds[i].events & G_IO_OUT )
+ FD_SET(ufds[i].fd, &writefds);
+
+ if ( ufds[i].fd > fdMax )
+ fdMax = ufds[i].fd;
+ }
+
+ fdMax++;
+ int res = select(fdMax, &readfds, &writefds, &exceptfds, &tv_timeout);
+
+ // translate the results back
+ for ( i = 0; i < nfds; i++ )
+ {
+ ufds[i].revents = 0;
+
+ if ( FD_ISSET(ufds[i].fd, &readfds ) )
+ ufds[i].revents |= G_IO_IN;
+
+ if ( FD_ISSET(ufds[i].fd, &exceptfds ) )
+ ufds[i].revents |= G_IO_PRI;
+
+ if ( FD_ISSET(ufds[i].fd, &writefds ) )
+ ufds[i].revents |= G_IO_OUT;
+ }
+
+ return res;
+}
+
+#endif // HAVE_POLL/!HAVE_POLL
+
+static gint wxapp_poll_func( GPollFD *ufds, guint nfds, gint timeout )
+{
+ gdk_threads_enter();
+
+ wxMutexGuiLeave();
+ g_mainThreadLocked = TRUE;
+
+ // we rely on the fact that glib GPollFD struct is really just pollfd but
+ // I wonder how wise is this in the long term (VZ)
+ gint res = wxPoll( (wxPollFd *) ufds, nfds, timeout );
+
+ wxMutexGuiEnter();
+ g_mainThreadLocked = FALSE;
+
+ gdk_threads_leave();
+
+ return res;
+}
+
+#endif // wxUSE_THREADS
+
+} // extern "C"
+
+void wxapp_install_idle_handler()
+{
+ // 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;
+
+ if (g_pendingTag == 0)
+ g_pendingTag = gtk_idle_add_priority( 900, wxapp_pending_callback, (gpointer) NULL );
+
+ // 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 = gtk_idle_add_priority( 1000, wxapp_idle_callback, (gpointer) NULL );
+}
+
+//-----------------------------------------------------------------------------
+// Access to the root window global
+//-----------------------------------------------------------------------------
+
+GtkWidget* wxGetRootWindow()
+{
+ if (gs_RootWindow == NULL)
+ {
+ gs_RootWindow = gtk_window_new( GTK_WINDOW_TOPLEVEL );
+ gtk_widget_realize( gs_RootWindow );
+ }
+ return gs_RootWindow;
}
//-----------------------------------------------------------------------------
EVT_IDLE(wxApp::OnIdle)
END_EVENT_TABLE()
-gint wxapp_idle_callback( gpointer WXUNUSED(data) )
-{
- if (wxTheApp) while (wxTheApp->ProcessIdle()) {}
- usleep( 10000 );
- return TRUE;
-}
-
wxApp::wxApp()
{
- m_idleTag = 0;
- m_topWindow = (wxWindow *) NULL;
- m_exitOnFrameDelete = TRUE;
- wxTheApp = this;
-}
+ m_initialized = FALSE;
+#ifdef __WXDEBUG__
+ m_isInAssert = FALSE;
+#endif // __WXDEBUG__
-wxApp::~wxApp(void)
-{
- gtk_idle_remove( m_idleTag );
+ m_idleTag = 0;
+ wxapp_install_idle_handler();
+
+#if wxUSE_THREADS
+ g_main_set_poll_func( wxapp_poll_func );
+#endif
+
+ m_colorCube = (unsigned char*) NULL;
+
+ // this is NULL for a "regular" wxApp, but is set (and freed) by a wxGLApp
+ m_glVisualInfo = (void *) NULL;
}
-bool wxApp::OnInit(void)
+wxApp::~wxApp()
{
- return TRUE;
+ if (m_idleTag) gtk_idle_remove( m_idleTag );
+
+ if (m_colorCube) free(m_colorCube);
}
-bool wxApp::OnInitGui(void)
+bool wxApp::OnInitGui()
{
- m_idleTag = gtk_idle_add( wxapp_idle_callback, NULL );
- return TRUE;
+ if ( !wxAppBase::OnInitGui() )
+ return FALSE;
+
+ GdkVisual *visual = gdk_visual_get_system();
+
+ // 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)
+ {
+#ifdef __WXGTK20__
+ // seems gtk_widget_set_default_visual no longer exists?
+ GdkVisual* vis = gtk_widget_get_default_visual();
+#else
+ GdkVisual* vis = gdkx_visual_get(
+ ((XVisualInfo *) m_glVisualInfo) ->visualid );
+ gtk_widget_set_default_visual( vis );
+#endif
+
+ GdkColormap *colormap = gdk_colormap_new( vis, FALSE );
+ gtk_widget_set_default_colormap( colormap );
+
+ visual = vis;
+ }
+
+ // On some machines, the default visual is just 256 colours, so
+ // we make sure we get the best. This can sometimes be wasteful.
+
+ else
+ if ((gdk_visual_get_best() != gdk_visual_get_system()) && (m_useBestVisual))
+ {
+#ifdef __WXGTK20__
+ /* seems gtk_widget_set_default_visual no longer exists? */
+ GdkVisual* vis = gtk_widget_get_default_visual();
+#else
+ GdkVisual* vis = gdk_visual_get_best();
+ gtk_widget_set_default_visual( vis );
+#endif
+
+ GdkColormap *colormap = gdk_colormap_new( vis, FALSE );
+ gtk_widget_set_default_colormap( colormap );
+
+ visual = vis;
+ }
+
+ // 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
+
+ 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
+ {
+ // 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;
+ }
+ m_colorCube[ (r*1024) + (g*32) + b ] = index;
+ }
+ }
+ }
+
+ return TRUE;
}
-int wxApp::OnRun(void)
+GdkVisual *wxApp::GetGdkVisual()
{
- return MainLoop();
+ GdkVisual *visual = NULL;
+
+ if (m_glVisualInfo)
+ visual = gdkx_visual_get( ((XVisualInfo *) m_glVisualInfo)->visualid );
+ else
+ visual = gdk_window_get_visual( wxGetRootWindow()->window );
+
+ wxASSERT( visual );
+
+ return visual;
}
-bool wxApp::ProcessIdle(void)
+bool wxApp::ProcessIdle()
{
- wxIdleEvent event;
- event.SetEventObject( this );
- ProcessEvent( event );
+ wxWindowList::Node* node = wxTopLevelWindows.GetFirst();
+ node = wxTopLevelWindows.GetFirst();
+ while (node)
+ {
+ wxWindow* win = node->GetData();
+ CallInternalIdle( win );
+
+ node = node->GetNext();
+ }
+
+ wxIdleEvent event;
+ event.SetEventObject( this );
+ ProcessEvent( event );
- return event.MoreRequested();
+ return event.MoreRequested();
}
void wxApp::OnIdle( wxIdleEvent &event )
{
- static bool inOnIdle = FALSE;
+ static bool s_inOnIdle = FALSE;
- // Avoid recursion (via ProcessEvent default case)
- if (inOnIdle)
- return;
+ // Avoid recursion (via ProcessEvent default case)
+ if (s_inOnIdle)
+ return;
- inOnIdle = TRUE;
+ s_inOnIdle = TRUE;
- // 'Garbage' collection of windows deleted with Close().
- DeletePendingObjects();
+ // Resend in the main thread events which have been prepared in other
+ // threads
+ ProcessPendingEvents();
- // flush the logged messages if any
- wxLog *pLog = wxLog::GetActiveTarget();
- if ( pLog != NULL && pLog->HasPendingMessages() )
- pLog->Flush();
+ // 'Garbage' collection of windows deleted with Close()
+ DeletePendingObjects();
- // Send OnIdle events to all windows
- bool needMore = SendIdleEvents();
+ // Send OnIdle events to all windows
+ bool needMore = SendIdleEvents();
- if (needMore)
- event.RequestMore(TRUE);
+ if (needMore)
+ event.RequestMore(TRUE);
- inOnIdle = FALSE;
+ s_inOnIdle = FALSE;
}
-bool wxApp::SendIdleEvents(void)
+bool wxApp::SendIdleEvents()
{
bool needMore = FALSE;
- wxNode* node = wxTopLevelWindows.First();
- while (node)
- {
- wxWindow* win = (wxWindow*) node->Data();
- if (SendIdleEvents(win))
+
+ wxWindowList::Node* node = wxTopLevelWindows.GetFirst();
+ while (node)
+ {
+ wxWindow* win = node->GetData();
+ if (SendIdleEvents(win))
needMore = TRUE;
- node = node->Next();
- }
+ node = node->GetNext();
+ }
+
return needMore;
}
+bool wxApp::CallInternalIdle( wxWindow* win )
+{
+ win->OnInternalIdle();
+
+ wxWindowList::Node *node = win->GetChildren().GetFirst();
+ while (node)
+ {
+ wxWindow *win = node->GetData();
+
+ CallInternalIdle( win );
+ node = node->GetNext();
+ }
+
+ return TRUE;
+}
+
bool wxApp::SendIdleEvents( wxWindow* win )
{
bool needMore = FALSE;
- wxIdleEvent event;
- event.SetEventObject(win);
- win->ProcessEvent(event);
+ wxIdleEvent event;
+ event.SetEventObject(win);
+
+ win->GetEventHandler()->ProcessEvent(event);
if (event.MoreRequested())
needMore = TRUE;
- wxNode* node = win->GetChildren()->First();
- while (node)
- {
- wxWindow* win = (wxWindow*) node->Data();
- if (SendIdleEvents(win))
- needMore = TRUE;
+ wxWindowList::Node *node = win->GetChildren().GetFirst();
+ while (node)
+ {
+ wxWindow *win = node->GetData();
- node = node->Next();
- }
- return needMore ;
-}
+ if (SendIdleEvents(win))
+ needMore = TRUE;
+ node = node->GetNext();
+ }
-int wxApp::OnExit(void)
-{
- return 0;
+ return needMore;
}
-int wxApp::MainLoop(void)
+int wxApp::MainLoop()
{
- gtk_main();
- return 0;
+ gtk_main();
+ return 0;
}
-void wxApp::ExitMainLoop(void)
+void wxApp::ExitMainLoop()
{
- gtk_main_quit();
+ if (gtk_main_level() > 0)
+ gtk_main_quit();
}
-bool wxApp::Initialized(void)
+bool wxApp::Initialized()
{
- return m_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)
+void wxApp::DeletePendingObjects()
{
- wxNode *node = wxPendingDelete.First();
- while (node)
- {
- wxObject *obj = (wxObject *)node->Data();
-
- delete obj;
+ wxNode *node = wxPendingDelete.GetFirst();
+ while (node)
+ {
+ wxObject *obj = (wxObject *)node->GetData();
- if (wxPendingDelete.Member(obj))
- delete node;
+ delete obj;
- node = wxPendingDelete.First();
- }
-}
+ if (wxPendingDelete.Find(obj))
+ delete node;
-wxWindow *wxApp::GetTopWindow(void)
-{
- if (m_topWindow) return m_topWindow;
- wxNode *node = wxTopLevelWindows.First();
- if (!node) return (wxWindow *) NULL;
- return (wxWindow*)node->Data();
-}
-
-void wxApp::SetTopWindow( wxWindow *win )
-{
- m_topWindow = win;
+ node = wxPendingDelete.GetFirst();
+ }
}
-void wxApp::CommonInit(void)
+bool wxApp::Initialize()
{
+ wxClassInfo::InitializeClasses();
-/*
-#if USE_RESOURCES
- (void) wxGetResource("wxWindows", "OsVersion", &wxOsVersion);
+ // 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
-*/
- wxSystemSettings::Init();
- wxTheResourceCache = new wxResourceCache(wxKEY_STRING);
- wxTheFontNameDirectory = new wxFontNameDirectory;
- wxTheFontNameDirectory->Initialize();
+ wxTheColourDatabase = new wxColourDatabase( wxKEY_STRING );
+ wxTheColourDatabase->Initialize();
- wxTheColourDatabase = new wxColourDatabase(wxKEY_STRING);
- wxTheColourDatabase->Initialize();
+ wxInitializeStockLists();
+ wxInitializeStockObjects();
- wxInitializeStockLists();
- wxInitializeStockObjects();
+ wxModule::RegisterModules();
+ if (!wxModule::InitializeModules())
+ return FALSE;
- wxInitializeResourceSystem();
-
- // For PostScript printing
-#if USE_POSTSCRIPT
- wxInitializePrintSetupData();
- wxThePrintPaperDatabase = new wxPrintPaperDatabase;
- wxThePrintPaperDatabase->CreateDatabase();
+#if wxUSE_INTL
+ wxFont::SetDefaultEncoding(wxLocale::GetSystemEncoding());
#endif
-
-/*
- wxBitmap::InitStandardHandlers();
-
- g_globalCursor = new wxCursor;
-*/
+ return TRUE;
}
-void wxApp::CommonCleanUp(void)
+void wxApp::CleanUp()
{
- wxDELETE(wxTheColourDatabase);
- wxDELETE(wxThePrintPaperDatabase);
- wxDELETE(wxThePrintSetupData);
- wxDELETE(wxTheFontNameDirectory);
- wxDeleteStockObjects();
+ wxModule::CleanUpModules();
- wxFlushResources();
+ delete wxTheColourDatabase;
+ wxTheColourDatabase = (wxColourDatabase*) NULL;
- wxDELETE(wxTheResourceCache);
+ wxDeleteStockObjects();
- wxDeleteStockLists();
+ wxDeleteStockLists();
- wxCleanUpResourceSystem();
+ delete wxTheApp;
+ wxTheApp = (wxApp*) NULL;
- wxSystemSettings::Done();
-}
+ wxClassInfo::CleanUpClasses();
-wxLog *wxApp::CreateLogTarget()
-{
- return new wxLogGui;
+#if wxUSE_THREADS
+ delete wxPendingEvents;
+ wxPendingEvents = NULL;
+ delete wxPendingEventsLocker;
+ wxPendingEventsLocker = NULL;
+#endif
+
+ // check for memory leaks
+#if (defined(__WXDEBUG__) && wxUSE_MEMORY_TRACING) || wxUSE_DEBUG_CONTEXT
+ if (wxDebugContext::CountObjectsLeft(TRUE) > 0)
+ {
+ 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;
+#endif // wxUSE_LOG
}
//-----------------------------------------------------------------------------
// wxEntry
//-----------------------------------------------------------------------------
-int wxEntry( int argc, char *argv[] )
+// NB: argc and argv may be changed here, pass by reference!
+int wxEntryStart( int& argc, char *argv[] )
{
- wxBuffer = new char[BUFSIZ + 512];
+#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
- wxClassInfo::InitializeClasses();
+ gtk_set_locale();
-#if (WXDEBUG && USE_MEMORY_TRACING) || USE_DEBUG_CONTEXT
+ // We should have the wxUSE_WCHAR_T test on the _outside_
+#if wxUSE_WCHAR_T
+#if defined(__WXGTK20__)
+ // gtk+ 2.0 supports Unicode through UTF-8 strings
+ wxConvCurrent = &wxConvUTF8;
+#else
+ if (!wxOKlibc()) wxConvCurrent = &wxConvLocal;
+#endif
+#else
+ if (!wxOKlibc()) wxConvCurrent = (wxMBConv*) NULL;
+#endif
- streambuf* sBuf = new wxDebugStreamBuf;
- ostream* oStr = new ostream(sBuf) ;
- wxDebugContext::SetStream(oStr, sBuf);
+ gtk_init( &argc, &argv );
-#endif
+ /* we can not enter threads before gtk_init is done */
+ gdk_threads_enter();
- if (!wxTheApp)
- {
- if (!wxApp::GetInitializerFunction())
+ wxSetDetectableAutoRepeat( TRUE );
+
+ if (!wxApp::Initialize())
{
- printf( "wxWindows error: No initializer - use IMPLEMENT_APP macro.\n" );
- return 0;
+ gdk_threads_leave();
+ return -1;
}
- wxAppInitializerFunction app_ini = wxApp::GetInitializerFunction();
-
- wxObject *test_app = app_ini();
+ return 0;
+}
- wxTheApp = (wxApp*) test_app;
- }
- if (!wxTheApp)
- {
- printf( "wxWindows error: wxTheApp == NULL\n" );
- return 0;
- }
+int wxEntryInitGui()
+{
+ int retValue = 0;
- wxTheApp->argc = argc;
- wxTheApp->argv = argv;
+ if ( !wxTheApp->OnInitGui() )
+ retValue = -1;
- char name[200];
- strcpy( name, argv[0] );
- strcpy( name, wxFileNameFromPath(name) );
- wxStripExtension( name );
- wxTheApp->SetAppName( name );
-
- gtk_set_locale();
-
- gtk_init( &argc, &argv );
+ wxGetRootWindow();
-#ifdef USE_GDK_IMLIB
+ return retValue;
+}
- gdk_imlib_init();
- gtk_widget_push_visual(gdk_imlib_get_visual());
+void wxEntryCleanup()
+{
+#if wxUSE_LOG
+ // flush the logged messages if any
+ wxLog *log = wxLog::GetActiveTarget();
+ if (log != NULL && log->HasPendingMessages())
+ log->Flush();
+
+ // 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();
+
+ gdk_threads_leave();
+}
- gtk_widget_push_colormap(gdk_imlib_get_colormap());
+int wxEntry( int argc, char *argv[] )
+{
+#if (defined(__WXDEBUG__) && wxUSE_MEMORY_TRACING) || wxUSE_DEBUG_CONTEXT
+ // This seems to be necessary since there are 'rogue'
+ // objects present at this point (perhaps global objects?)
+ // Setting a checkpoint will ignore them as far as the
+ // memory checking facility is concerned.
+ // Of course you may argue that memory allocated in globals should be
+ // checked, but this is a reasonable compromise.
+ wxDebugContext::SetCheckpoint();
#endif
+ int err = wxEntryStart(argc, argv);
+ if (err)
+ return err;
+
+ if (!wxTheApp)
+ {
+ wxCHECK_MSG( wxApp::GetInitializerFunction(), -1,
+ wxT("wxWindows error: No initializer - use IMPLEMENT_APP macro.\n") );
- wxApp::CommonInit();
+ wxAppInitializerFunction app_ini = wxApp::GetInitializerFunction();
- wxTheApp->OnInitGui();
+ wxObject *test_app = app_ini();
- // Here frames insert themselves automatically
- // into wxTopLevelWindows by getting created
- // in OnInit().
+ wxTheApp = (wxApp*) test_app;
+ }
+
+ 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
- if (!wxTheApp->OnInit()) return 0;
+ if (wxTheApp->argc > 0)
+ {
+ wxFileName fname( wxTheApp->argv[0] );
+ wxTheApp->SetAppName( fname.GetName() );
+ }
- wxTheApp->m_initialized = (wxTopLevelWindows.Number() > 0);
+ int retValue;
+ retValue = wxEntryInitGui();
- int retValue = 0;
+ // Here frames insert themselves automatically into wxTopLevelWindows by
+ // getting created in OnInit().
+ if ( retValue == 0 )
+ {
+ if ( !wxTheApp->OnInit() )
+ retValue = -1;
+ }
- if (wxTheApp->Initialized()) retValue = wxTheApp->OnRun();
+ if ( retValue == 0 )
+ {
+ // Delete pending toplevel windows
+ wxTheApp->DeletePendingObjects();
- wxTheApp->DeletePendingObjects();
+ // When is the app not initialized ?
+ wxTheApp->m_initialized = TRUE;
- wxTheApp->OnExit();
+ if (wxTheApp->Initialized())
+ {
+ wxTheApp->OnRun();
- wxApp::CommonCleanUp();
+ wxWindow *topWindow = wxTheApp->GetTopWindow();
- wxDELETE(wxTheApp);
+ // Delete all pending windows if any
+ wxTheApp->DeletePendingObjects();
- wxLog *oldLog = wxLog::SetActiveTarget( NULL );
- if (oldLog) delete oldLog;
-
- wxClassInfo::CleanUpClasses();
-
- delete[] wxBuffer;
-
-#if (WXDEBUG && USE_MEMORY_TRACING) || USE_DEBUG_CONTEXT
-
- if (wxDebugContext::CountObjectsLeft() > 0)
- {
- wxTrace("There were memory leaks.\n");
- wxDebugContext::Dump();
- wxDebugContext::PrintStatistics();
- }
- wxDebugContext::SetStream(NULL, NULL);
-
-#endif
+ // Reset top window
+ if (topWindow)
+ wxTheApp->SetTopWindow( (wxWindow*) NULL );
- return retValue;
-}
+ retValue = wxTheApp->OnExit();
+ }
+ }
-//-----------------------------------------------------------------------------
-// main()
-//-----------------------------------------------------------------------------
+ wxEntryCleanup();
-#if defined(AIX) || defined(AIX4) || defined(____HPUX__) || defined(NOMAIN)
+ return retValue;
+}
- // main in IMPLEMENT_WX_MAIN in IMPLEMENT_APP in app.h
+#ifdef __WXDEBUG__
-#else
+void wxApp::OnAssert(const wxChar *file, int line, const wxChar* cond, const wxChar *msg)
+{
+ m_isInAssert = TRUE;
- int main(int argc, char *argv[]) { return wxEntry(argc, argv); }
+ wxAppBase::OnAssert(file, line, cond, msg);
-#endif
+ m_isInAssert = FALSE;
+}
+#endif // __WXDEBUG__
projects / wxWidgets.git / blobdiff