#pragma implementation "app.h"
#endif
+#ifdef __VMS
+#include <vms_jackets.h>
+#endif
+
#include "wx/app.h"
#include "wx/gdicmn.h"
#include "wx/utils.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"
#if wxUSE_WX_RESOURCES
#include "wx/resource.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>
wxApp *wxTheApp = (wxApp *) NULL;
wxAppInitializerFunction wxAppBase::m_appInitFn = (wxAppInitializerFunction) NULL;
-extern bool g_isIdle;
-
bool g_mainThreadLocked = FALSE;
gint g_pendingTag = 0;
static GtkWidget *gs_RootWindow = (GtkWidget*) NULL;
//-----------------------------------------------------------------------------
-// local functions
+// idle system
//-----------------------------------------------------------------------------
-/* forward declaration */
-gint wxapp_idle_callback( gpointer WXUNUSED(data) );
-gint wxapp_pending_callback( gpointer WXUNUSED(data) );
-void wxapp_install_idle_handler();
+extern bool g_isIdle;
-#if wxUSE_THREADS
-gint wxapp_wakeup_timerout_callback( gpointer WXUNUSED(data) );
-#endif
+void wxapp_install_idle_handler();
//-----------------------------------------------------------------------------
// wxExit
// wxYield
//-----------------------------------------------------------------------------
-static bool gs_inYield = FALSE;
+// not static because used by textctrl.cpp
+//
+// MT-FIXME
+bool wxIsInsideYield = FALSE;
-bool wxYield()
+bool wxApp::Yield(bool onlyIfNeeded)
{
+ if ( wxIsInsideYield )
+ {
+ if ( !onlyIfNeeded )
+ {
+ wxFAIL_MSG( wxT("wxYield called recursively" ) );
+ }
+
+ return FALSE;
+ }
+
#if wxUSE_THREADS
if ( !wxThread::IsMain() )
{
}
#endif // wxUSE_THREADS
-#ifdef __WXDEBUG__
- if (gs_inYield)
- wxFAIL_MSG( wxT("wxYield called recursively" ) );
-#endif
-
- gs_inYield = TRUE;
+ wxIsInsideYield = TRUE;
if (!g_isIdle)
{
// We need to remove idle callbacks or the loop will
// never finish.
- gtk_idle_remove( wxTheApp->m_idleTag );
- wxTheApp->m_idleTag = 0;
+ gtk_idle_remove( m_idleTag );
+ m_idleTag = 0;
g_isIdle = TRUE;
}
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) */
- while (wxTheApp->ProcessIdle()) { }
+ // 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();
- gs_inYield = FALSE;
+ wxIsInsideYield = FALSE;
return TRUE;
}
-//-----------------------------------------------------------------------------
-// wxYieldIfNeeded
-// Like wxYield, but fails silently if the yield is recursive.
-//-----------------------------------------------------------------------------
-
-bool wxYieldIfNeeded()
-{
- if (gs_inYield)
- return FALSE;
-
- return wxYield();
-}
-
//-----------------------------------------------------------------------------
// wxWakeUpIdle
//-----------------------------------------------------------------------------
// local functions
//-----------------------------------------------------------------------------
-gint wxapp_pending_callback( gpointer WXUNUSED(data) )
+// 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
+ // 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
+ // thread so we must lock it here ourselves.
gdk_threads_enter();
- // Sent idle event to all who request them
+ // Sent idle event to all who request them.
wxTheApp->ProcessPendingEvents();
g_pendingTag = 0;
- /* flush the logged messages if any */
+ // Flush the logged messages if any.
#if wxUSE_LOG
wxLog::FlushActive();
#endif // wxUSE_LOG
return FALSE;
}
-gint wxapp_idle_callback( gpointer WXUNUSED(data) )
+static gint wxapp_idle_callback( gpointer WXUNUSED(data) )
{
if (!wxTheApp)
return TRUE;
// from some safely-looking functions
if ( wxTheApp->IsInAssert() )
{
+ // But repaint the assertion message if necessary
+ if (wxTopLevelWindows.GetCount() > 0)
+ {
+ wxWindow* win = (wxWindow*) wxTopLevelWindows.Last()->Data();
+ if (win->IsKindOf(CLASSINFO(wxGenericMessageDialog)))
+ win->OnInternalIdle();
+ }
return TRUE;
}
#endif // __WXDEBUG__
- // when getting called from GDK's time-out handler
+ // 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
+ // thread so we must lock it here ourselves.
gdk_threads_enter();
- /* Indicate that we are now in idle mode - even so deeply
- in idle mode that we don't get any idle events anymore.
- this is like wxMSW where an idle event is sent only
- once each time after the event queue has been completely
- emptied */
+ // 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;
- // Sent idle event to all who request them as long as they do
- while (wxTheApp->ProcessIdle())
+ // 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)
+ // to be sent (single shot instead of continuous stream).
return FALSE;
}
-void wxapp_install_idle_handler()
-{
- wxASSERT_MSG( wxTheApp->m_idleTag == 0, wxT("attempt to install idle handler twice") );
+#if wxUSE_THREADS
- g_isIdle = FALSE;
+#ifdef HAVE_POLL
+ #define wxPoll poll
+ #define wxPollFd pollfd
+#else // !HAVE_POLL
- if (g_pendingTag == 0)
- g_pendingTag = gtk_idle_add_priority( 900, wxapp_pending_callback, (gpointer) NULL );
+typedef GPollFD wxPollFd;
- /* 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. */
+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;
- wxTheApp->m_idleTag = gtk_idle_add_priority( 1000, wxapp_idle_callback, (gpointer) NULL );
-}
+ // remember the highest fd used here
+ int fdMax = -1;
-#if wxUSE_THREADS
+ // and fill the sets for select()
+ fd_set readfds;
+ fd_set writefds;
+ fd_set exceptfds;
+ FD_ZERO(&readfds);
+ FD_ZERO(&writefds);
+ FD_ZERO(&exceptfds);
-static int g_threadUninstallLevel = 0;
+ unsigned int i;
+ for ( i = 0; i < nfds; i++ )
+ {
+ wxASSERT_MSG( ufds[i].fd < FD_SETSIZE, _T("fd out of range") );
-void wxapp_install_thread_wakeup()
-{
- g_threadUninstallLevel++;
+ if ( ufds[i].events & G_IO_IN )
+ FD_SET(ufds[i].fd, &readfds);
- if (g_threadUninstallLevel != 1) return;
+ if ( ufds[i].events & G_IO_PRI )
+ FD_SET(ufds[i].fd, &exceptfds);
- if (wxTheApp->m_wakeUpTimerTag) return;
+ if ( ufds[i].events & G_IO_OUT )
+ FD_SET(ufds[i].fd, &writefds);
- wxTheApp->m_wakeUpTimerTag = gtk_timeout_add( 50, wxapp_wakeup_timerout_callback, (gpointer) NULL );
-}
+ if ( ufds[i].fd > fdMax )
+ fdMax = ufds[i].fd;
+ }
-void wxapp_uninstall_thread_wakeup()
-{
- g_threadUninstallLevel--;
+ 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 (g_threadUninstallLevel != 0) return;
+ if ( FD_ISSET(ufds[i].fd, &exceptfds ) )
+ ufds[i].revents |= G_IO_PRI;
- if (!wxTheApp->m_wakeUpTimerTag) return;
+ if ( FD_ISSET(ufds[i].fd, &writefds ) )
+ ufds[i].revents |= G_IO_OUT;
+ }
- gtk_timeout_remove( wxTheApp->m_wakeUpTimerTag );
- wxTheApp->m_wakeUpTimerTag = 0;
+ return res;
}
-gint wxapp_wakeup_timerout_callback( gpointer WXUNUSED(data) )
+#endif // HAVE_POLL/!HAVE_POLL
+
+static gint wxapp_poll_func( GPollFD *ufds, guint nfds, gint timeout )
{
- // 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 );
+ // 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 );
- // block other thread again
wxMutexGuiEnter();
-
g_mainThreadLocked = FALSE;
- wxapp_install_thread_wakeup();
-
- // release lock again
gdk_threads_leave();
- return TRUE;
+ return res;
}
#endif // wxUSE_THREADS
+} // extern "C"
+
+void wxapp_install_idle_handler()
+{
+ 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;
+}
+
//-----------------------------------------------------------------------------
// wxApp
//-----------------------------------------------------------------------------
wxapp_install_idle_handler();
#if wxUSE_THREADS
- m_wakeUpTimerTag = 0;
- wxapp_install_thread_wakeup();
+ 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;
}
{
if (m_idleTag) gtk_idle_remove( m_idleTag );
-#if wxUSE_THREADS
- wxapp_uninstall_thread_wakeup();
-#endif
-
if (m_colorCube) free(m_colorCube);
}
// 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 (m_glVisualInfo != NULL)
+ {
#ifdef __WXGTK20__
- /* seems gtk_widget_set_default_visual no longer exists? */
+ // seems gtk_widget_set_default_visual no longer exists?
GdkVisual* vis = gtk_widget_get_default_visual();
#else
- GdkVisual* vis = gdkx_visual_get(
+ GdkVisual* vis = gdkx_visual_get(
((XVisualInfo *) m_glVisualInfo) ->visualid );
gtk_widget_set_default_visual( vis );
#endif
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,
- of course, but what do these guys pay $30.000 for? */
- else if ((gdk_visual_get_best() != gdk_visual_get_system()) &&
- (m_useBestVisual))
+ // 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? */
visual = vis;
}
- /* Nothing to do for 15, 16, 24, 32 bit displays */
+ // 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 */
+ // initialize color cube for 8-bit color reduction dithering
GdkColormap *cmap = gtk_widget_get_default_colormap();
}
else
{
-#if (GTK_MINOR_VERSION > 0)
- /* assume 8-bit true or static colors. this really
- exists. */
+ // 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;
}
return TRUE;
}
+GdkVisual *wxApp::GetGdkVisual()
+{
+ 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()
{
+ 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 );
{
static bool s_inOnIdle = FALSE;
- /* Avoid recursion (via ProcessEvent default case) */
+ // Avoid recursion (via ProcessEvent default case)
if (s_inOnIdle)
return;
s_inOnIdle = TRUE;
- /* Resend in the main thread events which have been prepared in other
- threads */
+ // Resend in the main thread events which have been prepared in other
+ // threads
ProcessPendingEvents();
- /* 'Garbage' collection of windows deleted with Close(). */
+ // 'Garbage' collection of windows deleted with Close()
DeletePendingObjects();
- /* Send OnIdle events to all windows */
+ // Send OnIdle events to all windows
bool needMore = SendIdleEvents();
if (needMore)
wxWindow* win = node->GetData();
if (SendIdleEvents(win))
needMore = TRUE;
+
node = node->GetNext();
}
return needMore;
}
+bool wxApp::CallInternalIdle( wxWindow* win )
+{
+ win->OnInternalIdle();
+
+ wxNode* node = win->GetChildren().First();
+ while (node)
+ {
+ wxWindow* win = (wxWindow*) node->Data();
+ CallInternalIdle( win );
+
+ node = node->Next();
+ }
+
+ return TRUE;
+}
+
bool wxApp::SendIdleEvents( wxWindow* win )
{
bool needMore = FALSE;
win->GetEventHandler()->ProcessEvent(event);
- win->OnInternalIdle();
-
if (event.MoreRequested())
needMore = TRUE;
node = node->Next();
}
- return needMore ;
+
+ return needMore;
}
int wxApp::MainLoop()
bool wxApp::Initialize()
{
- wxBuffer = new wxChar[BUFSIZ + 512];
-
wxClassInfo::InitializeClasses();
- wxSystemSettings::Init();
-
-#if wxUSE_INTL
- wxFont::SetDefaultEncoding(wxLocale::GetSystemEncoding());
-#endif
-
// 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
#endif
wxModule::RegisterModules();
- if (!wxModule::InitializeModules()) return FALSE;
+ if (!wxModule::InitializeModules())
+ return FALSE;
+
+#if wxUSE_INTL
+ wxFont::SetDefaultEncoding(wxLocale::GetSystemEncoding());
+#endif
return TRUE;
}
wxCleanUpResourceSystem();
#endif
- if (wxTheColourDatabase)
- delete wxTheColourDatabase;
-
+ delete wxTheColourDatabase;
wxTheColourDatabase = (wxColourDatabase*) NULL;
wxDeleteStockObjects();
delete wxTheApp;
wxTheApp = (wxApp*) NULL;
- // 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.
+ wxClassInfo::CleanUpClasses();
+
#if wxUSE_THREADS
delete wxPendingEvents;
delete wxPendingEventsLocker;
#endif
- wxSystemSettings::Done();
-
- delete[] wxBuffer;
-
- wxClassInfo::CleanUpClasses();
-
// check for memory leaks
#if (defined(__WXDEBUG__) && wxUSE_MEMORY_TRACING) || wxUSE_DEBUG_CONTEXT
if (wxDebugContext::CountObjectsLeft(TRUE) > 0)
#endif // wxUSE_LOG
}
-//-----------------------------------------------------------------------------
-// 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;
-}
-
//-----------------------------------------------------------------------------
// wxEntry
//-----------------------------------------------------------------------------
-
-int wxEntryStart( int argc, char *argv[] )
+// NB: argc and argv may be changed here, pass by reference!
+int wxEntryStart( 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 1.2 up to version 1.2.3 has broken threads
+ if ((gtk_major_version == 1) &&
(gtk_minor_version == 2) &&
(gtk_micro_version < 4))
{
}
-
int wxEntry( int argc, char *argv[] )
{
#if (defined(__WXDEBUG__) && wxUSE_MEMORY_TRACING) || wxUSE_DEBUG_CONTEXT
wxTheApp->argv = argv;
#endif
- wxString name(wxFileNameFromPath(argv[0]));
- wxStripExtension( name );
- wxTheApp->SetAppName( name );
+ if (wxTheApp->argc > 0)
+ {
+ wxFileName fname( wxTheApp->argv[0] );
+ wxTheApp->SetAppName( fname.GetName() );
+ }
int retValue;
retValue = wxEntryInitGui();
if ( retValue == 0 )
{
- /* delete pending toplevel windows (typically a single
- dialog) so that, if there isn't any left, we don't
- call OnRun() */
+ // Delete pending toplevel windows
wxTheApp->DeletePendingObjects();
- wxTheApp->m_initialized = wxTopLevelWindows.GetCount() != 0;
+ // When is the app not initialized ?
+ wxTheApp->m_initialized = TRUE;
if (wxTheApp->Initialized())
{
wxTheApp->OnRun();
wxWindow *topWindow = wxTheApp->GetTopWindow();
+
+ // Delete all pending windows if any
+ wxTheApp->DeletePendingObjects();
+
+ // Reset top window
if (topWindow)
- {
- /* 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->SetTopWindow( (wxWindow*) NULL );
retValue = wxTheApp->OnExit();
}
return retValue;
}
-#ifndef __WXUNIVERSAL__
-
-#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);
- }
-}
-#else
-wxIcon wxApp::GetStdIcon(int which) const
-{
- return wxTheme::Get()->GetRenderer()->GetStdIcon(which);
-}
-#endif // !__WXUNIVERSAL__
-
-
#ifdef __WXDEBUG__
-void wxApp::OnAssert(const wxChar *file, int line, const wxChar *msg)
+void wxApp::OnAssert(const wxChar *file, int line, const wxChar* cond, const wxChar *msg)
{
m_isInAssert = TRUE;
- wxAppBase::OnAssert(file, line, msg);
+ wxAppBase::OnAssert(file, line, cond, msg);
m_isInAssert = FALSE;
}
projects / wxWidgets.git / blobdiff