// 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"
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
+ #pragma implementation "app.h"
#endif
+#ifdef __VMS
+// vms_jackets.h should for proper working be included before anything else
+# include <vms_jackets.h>
+#undef ConnectionNumber
+#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 "wx/memory.h"
#include "wx/font.h"
#include "wx/settings.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"
+#include "wx/thread.h"
+
+#ifdef __WXGPE__
+#include <gpe/init.h>
+#endif
-#include "unistd.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 = NULL;
-wxAppInitializerFunction wxApp::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();
+
+#if wxUSE_THREADS
+static wxMutex gs_idleTagsMutex;
+#endif
//-----------------------------------------------------------------------------
-// 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;
+
+ // We need to remove idle callbacks or the loop will
+ // never finish.
+ wxTheApp->RemoveIdleTag();
+
+ // 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;
+}
//-----------------------------------------------------------------------------
-// wxApp
+// wxWakeUpIdle
//-----------------------------------------------------------------------------
-IMPLEMENT_DYNAMIC_CLASS(wxApp,wxEvtHandler)
-
-BEGIN_EVENT_TABLE(wxApp, wxEvtHandler)
- EVT_IDLE(wxApp::OnIdle)
-END_EVENT_TABLE()
+// RR/KH: The wxMutexGui calls are not needed on GTK2 according to
+// the GTK faq, http://www.gtk.org/faq/#AEN500
+// The calls to gdk_threads_enter() and leave() are specifically noted
+// as not being necessary. The MutexGui calls are still left in for GTK1.
+// Eliminating the MutexGui calls fixes the long-standing "random" lockup
+// when using wxPostEvent (which calls WakeUpIdle) from a thread.
-gint wxapp_idle_callback( gpointer WXUNUSED(data) )
+void wxApp::WakeUpIdle()
{
- if (wxTheApp) while (wxTheApp->ProcessIdle()) {};
- usleep( 10000 );
- return TRUE;
-};
+#ifndef __WXGTK20__
+#if wxUSE_THREADS
+ if (!wxThread::IsMain())
+ wxMutexGuiEnter();
+#endif // wxUSE_THREADS_
+#endif // __WXGTK2__
+
+ wxapp_install_idle_handler();
+
+#ifndef __WXGTK20__
+#if wxUSE_THREADS
+ if (!wxThread::IsMain())
+ wxMutexGuiLeave();
+#endif // wxUSE_THREADS_
+#endif // __WXGTK2__
+}
-wxApp::wxApp()
-{
- m_idleTag = 0;
- m_topWindow = NULL;
- m_exitOnFrameDelete = TRUE;
-};
+//-----------------------------------------------------------------------------
+// local functions
+//-----------------------------------------------------------------------------
-wxApp::~wxApp(void)
+// the callback functions must be extern "C" to comply with GTK+ declarations
+extern "C"
{
- gtk_idle_remove( m_idleTag );
-};
-bool wxApp::OnInit(void)
+static gint wxapp_pending_callback( gpointer WXUNUSED(data) )
{
- return TRUE;
-};
+ 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();
-bool wxApp::OnInitGui(void)
-{
- m_idleTag = gtk_idle_add( wxapp_idle_callback, NULL );
- return TRUE;
-};
+ // Sent idle event to all who request them.
+ wxTheApp->ProcessPendingEvents();
-int wxApp::OnRun(void)
-{
- return MainLoop();
-};
+ {
+#if wxUSE_THREADS
+ wxMutexLocker lock(gs_idleTagsMutex);
+#endif
+ g_pendingTag = 0;
+ }
+
+ // Flush the logged messages if any.
+#if wxUSE_LOG
+ wxLog::FlushActive();
+#endif // wxUSE_LOG
-bool wxApp::ProcessIdle(void)
+ // 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) )
{
- wxIdleEvent event;
- event.SetEventObject( this );
- ProcessEvent( event );
-
- return event.MoreRequested();
-};
-
-void wxApp::OnIdle( wxIdleEvent &event )
+ 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.
+ {
+#if wxUSE_THREADS
+ wxMutexLocker lock(gs_idleTagsMutex);
+#endif
+ 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)
{
- static bool inOnIdle = FALSE;
+ // 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") );
- // Avoid recursion (via ProcessEvent default case)
- if (inOnIdle)
- return;
+ if ( ufds[i].events & G_IO_IN )
+ FD_SET(ufds[i].fd, &readfds);
- inOnIdle = TRUE;
+ if ( ufds[i].events & G_IO_PRI )
+ FD_SET(ufds[i].fd, &exceptfds);
- // 'Garbage' collection of windows deleted with Close().
- DeletePendingObjects();
+ if ( ufds[i].events & G_IO_OUT )
+ FD_SET(ufds[i].fd, &writefds);
- // flush the logged messages if any
- wxLog *pLog = wxLog::GetActiveTarget();
- if ( pLog != NULL && pLog->HasPendingMessages() )
- pLog->Flush();
+ if ( ufds[i].fd > fdMax )
+ fdMax = ufds[i].fd;
+ }
- // Send OnIdle events to all windows
- bool needMore = SendIdleEvents();
+ fdMax++;
+ int res = select(fdMax, &readfds, &writefds, &exceptfds, &tv_timeout);
- if (needMore)
- event.RequestMore(TRUE);
+ // translate the results back
+ for ( i = 0; i < nfds; i++ )
+ {
+ ufds[i].revents = 0;
- inOnIdle = FALSE;
-};
+ if ( FD_ISSET(ufds[i].fd, &readfds ) )
+ ufds[i].revents |= G_IO_IN;
-bool wxApp::SendIdleEvents(void)
-{
- bool needMore = FALSE;
- wxNode* node = wxTopLevelWindows.First();
- while (node)
- {
- wxWindow* win = (wxWindow*) node->Data();
- if (SendIdleEvents(win))
- needMore = TRUE;
-
- node = node->Next();
- }
- return needMore;
-};
-
-bool wxApp::SendIdleEvents( wxWindow* win )
+ 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 )
{
- bool needMore = FALSE;
+ gdk_threads_enter();
- wxIdleEvent event;
- event.SetEventObject(win);
- win->ProcessEvent(event);
+ wxMutexGuiLeave();
+ g_mainThreadLocked = TRUE;
- if (event.MoreRequested())
- needMore = 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 );
- wxNode* node = win->GetChildren()->First();
- while (node)
- {
- wxWindow* win = (wxWindow*) node->Data();
- if (SendIdleEvents(win))
- needMore = TRUE;
+ wxMutexGuiEnter();
+ g_mainThreadLocked = FALSE;
- node = node->Next();
- }
- return needMore ;
-};
+ gdk_threads_leave();
-int wxApp::OnExit(void)
-{
- return 0;
-};
+ return res;
+}
-int wxApp::MainLoop(void)
-{
- gtk_main();
- return 0;
-};
+#endif // wxUSE_THREADS
-void wxApp::ExitMainLoop(void)
-{
- gtk_main_quit();
-};
+} // extern "C"
-bool wxApp::Initialized(void)
+void wxapp_install_idle_handler()
{
- return m_initialized;
-};
+#if wxUSE_THREADS
+ wxMutexLocker lock(gs_idleTagsMutex);
+#endif
-bool wxApp::Pending(void)
-{
- return FALSE;
-};
+ // Don't install the handler if it's already installed. This test *MUST*
+ // be done when gs_idleTagsMutex is locked!
+ if (!g_isIdle)
+ return;
-void wxApp::Dispatch(void)
-{
-};
+ // 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;
-void wxApp::DeletePendingObjects(void)
+ 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()
{
- wxNode *node = wxPendingDelete.First();
- while (node)
- {
- wxObject *obj = (wxObject *)node->Data();
-
- delete obj;
+ if (gs_RootWindow == NULL)
+ {
+ gs_RootWindow = gtk_window_new( GTK_WINDOW_TOPLEVEL );
+ gtk_widget_realize( gs_RootWindow );
+ }
+ return gs_RootWindow;
+}
- if (wxPendingDelete.Member(obj))
- delete node;
+//-----------------------------------------------------------------------------
+// wxApp
+//-----------------------------------------------------------------------------
- node = wxPendingDelete.First();
- };
-};
+IMPLEMENT_DYNAMIC_CLASS(wxApp,wxEvtHandler)
-wxWindow *wxApp::GetTopWindow(void)
+BEGIN_EVENT_TABLE(wxApp, wxEvtHandler)
+ EVT_IDLE(wxAppBase::OnIdle)
+END_EVENT_TABLE()
+
+wxApp::wxApp()
{
- if (m_topWindow) return m_topWindow;
- wxNode *node = wxTopLevelWindows.First();
- if (!node) return NULL;
- return (wxWindow*)node->Data();
-};
+#ifdef __WXDEBUG__
+ m_isInAssert = FALSE;
+#endif // __WXDEBUG__
+
+ m_idleTag = 0;
+ g_isIdle = TRUE;
+ wxapp_install_idle_handler();
-void wxApp::SetTopWindow( wxWindow *win )
+#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;
+ m_glFBCInfo = (void *) NULL;
+}
+
+wxApp::~wxApp()
{
- m_topWindow = win;
-};
+ if (m_idleTag) gtk_idle_remove( m_idleTag );
-void wxApp::CommonInit(void)
+ if (m_colorCube) free(m_colorCube);
+}
+
+bool wxApp::OnInitGui()
{
+ if ( !wxAppBase::OnInitGui() )
+ return FALSE;
-/*
-#if USE_RESOURCES
- (void) wxGetResource("wxWindows", "OsVersion", &wxOsVersion);
+ 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
-*/
- wxSystemSettings::Init();
- wxTheResourceCache = new wxResourceCache(wxKEY_STRING);
- wxTheFontNameDirectory = new wxFontNameDirectory;
- wxTheFontNameDirectory->Initialize();
+ GdkColormap *colormap = gdk_colormap_new( vis, FALSE );
+ gtk_widget_set_default_colormap( colormap );
- wxTheColourDatabase = new wxColourDatabase(wxKEY_STRING);
- wxTheColourDatabase->Initialize();
+ visual = vis;
+ }
- wxInitializeStockLists();
- wxInitializeStockObjects();
+ // On some machines, the default visual is just 256 colours, so
+ // we make sure we get the best. This can sometimes be wasteful.
- // For PostScript printing
-#if USE_POSTSCRIPT
- wxInitializePrintSetupData();
- wxThePrintPaperDatabase = new wxPrintPaperDatabase;
- wxThePrintPaperDatabase->CreateDatabase();
+ 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 );
-/*
- wxBitmap::InitStandardHandlers();
+ visual = vis;
+ }
- g_globalCursor = new wxCursor;
-*/
+ // Nothing to do for 15, 16, 24, 32 bit displays
+ if (visual->depth > 8) return TRUE;
-// wxInitializeStockObjects();
-};
+ // initialize color cube for 8-bit color reduction dithering
-void wxApp::CommonCleanUp(void)
-{
- wxDELETE(wxTheColourDatabase);
- wxDELETE(wxThePrintPaperDatabase);
- wxDELETE(wxThePrintSetupData);
- wxDELETE(wxTheFontNameDirectory);
- wxDeleteStockObjects();
-
- wxFlushResources();
+ GdkColormap *cmap = gtk_widget_get_default_colormap();
- wxDELETE(wxTheResourceCache);
+ m_colorCube = (unsigned char*)malloc(32 * 32 * 32);
- wxDeleteStockLists();
+ 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;
+}
- wxSystemSettings::Done();
-};
-
-wxLog *wxApp::CreateLogTarget()
+GdkVisual *wxApp::GetGdkVisual()
{
- return new wxLogGui;
-}
+ GdkVisual *visual = NULL;
-//-----------------------------------------------------------------------------
-// wxEntry
-//-----------------------------------------------------------------------------
+ if (m_glVisualInfo)
+ visual = gdkx_visual_get( ((XVisualInfo *) m_glVisualInfo)->visualid );
+ else
+ visual = gdk_window_get_visual( wxGetRootWindow()->window );
+
+ wxASSERT( visual );
-int wxEntry( int argc, char *argv[] )
+ return visual;
+}
+
+bool wxApp::Initialize(int& argc, wxChar **argv)
{
- wxBuffer = new char[BUFSIZ + 512];
+ bool init_result;
+
+#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( "wxWidgets warning: GUI threading disabled due to outdated GTK version\n" );
+ }
+ else
+ {
+ if (!g_thread_supported())
+ g_thread_init(NULL);
+ }
+#endif // wxUSE_THREADS
+
+ gtk_set_locale();
+
+ // 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 // GTK 1.x
+ if (!wxOKlibc())
+ wxConvCurrent = &wxConvLocal;
+ #endif
+#else // !wxUSE_WCHAR_T
+ if (!wxOKlibc())
+ wxConvCurrent = (wxMBConv*) NULL;
+#endif // wxUSE_WCHAR_T/!wxUSE_WCHAR_T
+
+#ifdef __WXGTK20__
+ // 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.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");
+#endif // wxUSE_INTL
+ static wxConvBrokenFileNames fileconv(encName);
+ wxConvFileName = &fileconv;
+#endif // __WXGTK20__
+
+#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++ )
+ {
+ argvGTK[i] = wxStrdupA(wxConvUTF8.cWX2MB(argv[i]));
+ }
- wxClassInfo::InitializeClasses();
-
-#if (WXDEBUG && USE_MEMORY_TRACING) || USE_DEBUG_CONTEXT
+ argvGTK[argc] = NULL;
-#if !defined(_WINDLL)
- streambuf* sBuf = new wxDebugStreamBuf;
+ int argcGTK = argc;
+
+#ifdef __WXGPE__
+ init_result = true; // is there a _check() version of this?
+ gpe_application_init( &argcGTK, &argvGTK );
#else
- streambuf* sBuf = NULL;
+ init_result = gtk_init_check( &argcGTK, &argvGTK );
#endif
- ostream* oStr = new ostream(sBuf) ;
- wxDebugContext::SetStream(oStr, sBuf);
-#endif
-
- if (!wxTheApp)
- {
- if (!wxApp::GetInitializerFunction())
+ if ( argcGTK != argc )
{
- 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;
- };
-
- if (!wxTheApp)
- {
- printf( _("wxWindows error: wxTheApp == NULL\n") );
- return 0;
- };
-
- 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
+ // 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);
+ }
+ }
+
+ argc = argcGTK;
+ }
+ //else: gtk_init() didn't modify our parameters
+
+ // free our copy
+ for ( i = 0; i < argcGTK; i++ )
+ {
+ free(argvGTK[i]);
+ }
+
+ 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
+
+ if (!init_result) {
+ wxLogError(wxT("Unable to initialize gtk, is DISPLAY set properly?"));
+ return false;
+ }
- 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();
-
- wxDELETE(wxTheApp);
-
-#if (WXDEBUG && USE_MEMORY_TRACING) || USE_DEBUG_CONTEXT
- // At this point we want to check if there are any memory
- // blocks that aren't part of the wxDebugContext itself,
- // as a special case. Then when dumping we need to ignore
- // wxDebugContext, too.
- if (wxDebugContext::CountObjectsLeft() > 0)
- {
- wxTrace("There were memory leaks.\n");
- wxDebugContext::Dump();
- wxDebugContext::PrintStatistics();
- }
- wxDebugContext::SetStream(NULL, NULL);
+ // we can not enter threads before gtk_init is done
+ gdk_threads_enter();
+
+ if ( !wxAppBase::Initialize(argc, argv) )
+ {
+ gdk_threads_leave();
+
+ return false;
+ }
+
+ wxSetDetectableAutoRepeat( TRUE );
+
+#if wxUSE_INTL
+ wxFont::SetDefaultEncoding(wxLocale::GetSystemEncoding());
#endif
-
- return retValue;
-};
-//-----------------------------------------------------------------------------
-// main()
-//-----------------------------------------------------------------------------
+ return true;
+}
-#if defined(AIX) || defined(AIX4) || defined(____HPUX__)
+void wxApp::CleanUp()
+{
+ gdk_threads_leave();
- // main in IMPLEMENT_WX_MAIN in IMPLEMENT_APP in app.h
+ wxAppBase::CleanUp();
+}
-#else
+#ifdef __WXDEBUG__
- int main(int argc, char *argv[]) { return wxEntry(argc, argv); }
+void wxApp::OnAssert(const wxChar *file, int line, const wxChar* cond, const wxChar *msg)
+{
+ m_isInAssert = TRUE;
-#endif
+ wxAppBase::OnAssert(file, line, cond, msg);
+
+ m_isInAssert = FALSE;
+}
+#endif // __WXDEBUG__
+void wxApp::RemoveIdleTag()
+{
+#if wxUSE_THREADS
+ wxMutexLocker lock(gs_idleTagsMutex);
+#endif
+ if (!g_isIdle)
+ {
+ gtk_idle_remove( wxTheApp->m_idleTag );
+ wxTheApp->m_idleTag = 0;
+ g_isIdle = TRUE;
+ }
+}
projects / wxWidgets.git / blobdiff