///////////////////////////////////////////////////////////////////////////////
-// Name: x11/evtloop.cpp
+// Name: src/x11/evtloop.cpp
// Purpose: implements wxEventLoop for X11
// Author: Julian Smart
// Modified by:
// Created: 01.06.01
// RCS-ID: $Id$
// Copyright: (c) 2002 Julian Smart
-// License: wxWindows licence
+// Licence: wxWindows licence
///////////////////////////////////////////////////////////////////////////////
// ============================================================================
// headers
// ----------------------------------------------------------------------------
-#include "wx/window.h"
-#include "wx/app.h"
+// for compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
+
#include "wx/evtloop.h"
-#include "wx/tooltip.h"
-#if wxUSE_THREADS
-#include "wx/thread.h"
+
+#ifndef WX_PRECOMP
+ #include "wx/hash.h"
+ #include "wx/app.h"
+ #include "wx/window.h"
+ #include "wx/module.h"
#endif
-#include "wx/timer.h"
-#include "wx/hash.h"
-#include "wx/module.h"
+
+#include "wx/private/fdiodispatcher.h"
+#include "wx/unix/private.h"
#include "wx/x11/private.h"
-#include "X11/Xlib.h"
+#include "wx/generic/private/timer.h"
+
+#if wxUSE_THREADS
+ #include "wx/thread.h"
+#endif
+#include <X11/Xlib.h>
#include <sys/time.h>
#include <unistd.h>
-#if wxUSE_SOCKETS
-// ----------------------------------------------------------------------------
-// wxSocketTable
-// ----------------------------------------------------------------------------
-
-typedef void (*wxSocketCallback) (int fd, void* data);
-
-class wxSocketTableEntry: public wxObject
-{
- public:
- wxSocketTableEntry()
- {
- m_fdInput = -1; m_fdOutput = -1;
- m_callbackInput = NULL; m_callbackOutput = NULL;
- m_dataInput = NULL; m_dataOutput = NULL;
- }
-
- int m_fdInput;
- int m_fdOutput;
- wxSocketCallback m_callbackInput;
- wxSocketCallback m_callbackOutput;
- void* m_dataInput;
- void* m_dataOutput;
-};
-
-typedef enum
-{ wxSocketTableInput, wxSocketTableOutput } wxSocketTableType ;
-
-class wxSocketTable: public wxHashTable
-{
- public:
- wxSocketTable(): wxHashTable(wxKEY_INTEGER)
- {
- }
- ~wxSocketTable()
- {
- WX_CLEAR_HASH_TABLE(*this)
- }
-
- wxSocketTableEntry* FindEntry(int fd);
-
- void RegisterCallback(int fd, wxSocketTableType socketType, wxSocketCallback callback, void* data);
-
- void UnregisterCallback(int fd, wxSocketTableType socketType);
-
- bool CallCallback(int fd, wxSocketTableType socketType);
-
- void FillSets(fd_set* readset, fd_set* writeset, int* highest);
-
- void ProcessEvents(fd_set* readset, fd_set* writeset);
-};
-
-wxSocketTableEntry* wxSocketTable::FindEntry(int fd)
-{
- wxSocketTableEntry* entry = (wxSocketTableEntry*) Get(fd);
- return entry;
-}
-
-void wxSocketTable::RegisterCallback(int fd, wxSocketTableType socketType, wxSocketCallback callback, void* data)
-{
- wxSocketTableEntry* entry = FindEntry(fd);
- if (!entry)
- {
- entry = new wxSocketTableEntry();
- Put(fd, entry);
- }
-
- if (socketType == wxSocketTableInput)
- {
- entry->m_fdInput = fd;
- entry->m_dataInput = data;
- entry->m_callbackInput = callback;
- }
- else
- {
- entry->m_fdOutput = fd;
- entry->m_dataOutput = data;
- entry->m_callbackOutput = callback;
- }
-}
-
-void wxSocketTable::UnregisterCallback(int fd, wxSocketTableType socketType)
-{
- wxSocketTableEntry* entry = FindEntry(fd);
- if (entry)
- {
- if (socketType == wxSocketTableInput)
- {
- entry->m_fdInput = -1;
- entry->m_dataInput = NULL;
- entry->m_callbackInput = NULL;
- }
- else
- {
- entry->m_fdOutput = -1;
- entry->m_dataOutput = NULL;
- entry->m_callbackOutput = NULL;
- }
- if (entry->m_fdInput == -1 && entry->m_fdOutput == -1)
- {
- Delete(fd);
- delete entry;
- }
- }
-}
-
-bool wxSocketTable::CallCallback(int fd, wxSocketTableType socketType)
-{
- wxSocketTableEntry* entry = FindEntry(fd);
- if (entry)
- {
- if (socketType == wxSocketTableInput)
- {
- if (entry->m_fdInput != -1 && entry->m_callbackInput)
- {
- (entry->m_callbackInput) (entry->m_fdInput, entry->m_dataInput);
- }
- }
- else
- {
- if (entry->m_fdOutput != -1 && entry->m_callbackOutput)
- {
- (entry->m_callbackOutput) (entry->m_fdOutput, entry->m_dataOutput);
- }
- }
- return TRUE;
- }
- else
- return FALSE;
-}
-
-void wxSocketTable::FillSets(fd_set* readset, fd_set* writeset, int* highest)
-{
- BeginFind();
- wxHashTable::compatibility_iterator node = Next();
- while (node)
- {
- wxSocketTableEntry* entry = (wxSocketTableEntry*) node->GetData();
-
- if (entry->m_fdInput != -1)
- {
- FD_SET(entry->m_fdInput, readset);
- if (entry->m_fdInput > *highest)
- * highest = entry->m_fdInput;
- }
-
- if (entry->m_fdOutput != -1)
- {
- FD_SET(entry->m_fdOutput, writeset);
- if (entry->m_fdOutput > *highest)
- * highest = entry->m_fdOutput;
- }
-
- node = Next();
- }
-}
-
-void wxSocketTable::ProcessEvents(fd_set* readset, fd_set* writeset)
-{
- BeginFind();
- wxHashTable::compatibility_iterator node = Next();
- while (node)
- {
- wxSocketTableEntry* entry = (wxSocketTableEntry*) node->GetData();
-
- if (entry->m_fdInput != -1 && FD_ISSET(entry->m_fdInput, readset))
- {
- (entry->m_callbackInput) (entry->m_fdInput, entry->m_dataInput);
- }
-
- if (entry->m_fdOutput != -1 && FD_ISSET(entry->m_fdOutput, writeset))
- {
- (entry->m_callbackOutput) (entry->m_fdOutput, entry->m_dataOutput);
- }
-
- node = Next();
- }
-}
-
-wxSocketTable* wxTheSocketTable = NULL;
-
-class wxSocketTableModule: public wxModule
-{
-DECLARE_DYNAMIC_CLASS(wxSocketTableModule)
-public:
- wxSocketTableModule() {}
- bool OnInit() { wxTheSocketTable = new wxSocketTable; return TRUE; };
- void OnExit() { delete wxTheSocketTable; wxTheSocketTable = NULL; };
-};
-
-IMPLEMENT_DYNAMIC_CLASS(wxSocketTableModule, wxModule)
-
-// Implement registration functions as C functions so they
-// can be called from gsock11.c
-
-extern "C" void wxRegisterSocketCallback(int fd, wxSocketTableType socketType, wxSocketCallback callback, void* data)
-{
- if (wxTheSocketTable)
- {
- wxTheSocketTable->RegisterCallback(fd, socketType, callback, data);
- }
-}
-
-extern "C" void wxUnregisterSocketCallback(int fd, wxSocketTableType socketType)
-{
- if (wxTheSocketTable)
- {
- wxTheSocketTable->UnregisterCallback(fd, socketType);
- }
-}
+#ifdef HAVE_SYS_SELECT_H
+# include <sys/select.h>
#endif
// ----------------------------------------------------------------------------
{
public:
// ctor
- wxEventLoopImpl() { SetExitCode(0); m_keepGoing = FALSE; }
+ wxEventLoopImpl() { SetExitCode(0); m_keepGoing = false; }
- // process an XEvent, return TRUE if it was processed
+ // process an XEvent, return true if it was processed
bool ProcessEvent(XEvent* event);
- // generate an idle message, return TRUE if more idle time requested
+ // generate an idle message, return true if more idle time requested
bool SendIdleEvent();
// set/get the exit code
int GetExitCode() const { return m_exitcode; }
public:
- // preprocess an event, return TRUE if processed (i.e. no further
+ // preprocess an event, return true if processed (i.e. no further
// dispatching required)
bool PreProcessEvent(XEvent* event);
{
// give us the chance to preprocess the message first
if ( PreProcessEvent(event) )
- return TRUE;
+ return true;
// if it wasn't done, dispatch it to the corresponding window
if (wxTheApp)
return wxTheApp->ProcessXEvent((WXEvent*) event);
- return FALSE;
+ return false;
}
-bool wxEventLoopImpl::PreProcessEvent(XEvent *event)
+bool wxEventLoopImpl::PreProcessEvent(XEvent *WXUNUSED(event))
{
- // TODO
-#if 0
- HWND hWnd = msg->hwnd;
- wxWindow *wndThis = wxGetWindowFromHWND((WXHWND)hWnd);
-
-
- // try translations first; find the youngest window with a translation
- // table.
- wxWindow *wnd;
- for ( wnd = wndThis; wnd; wnd = wnd->GetParent() )
- {
- if ( wnd->MSWTranslateMessage((WXMSG *)msg) )
- return TRUE;
- }
-
- // Anyone for a non-translation message? Try youngest descendants first.
- for ( wnd = wndThis; wnd; wnd = wnd->GetParent() )
- {
- if ( wnd->MSWProcessMessage((WXMSG *)msg) )
- return TRUE;
- }
-#endif
-
- return FALSE;
+ return false;
}
// ----------------------------------------------------------------------------
// wxEventLoop implementation
// ============================================================================
-wxEventLoop *wxEventLoopBase::ms_activeLoop = NULL;
-
// ----------------------------------------------------------------------------
// wxEventLoop running and exiting
// ----------------------------------------------------------------------------
-wxEventLoop::~wxEventLoop()
+wxGUIEventLoop::~wxGUIEventLoop()
{
- wxASSERT_MSG( !m_impl, _T("should have been deleted in Run()") );
+ wxASSERT_MSG( !m_impl, wxT("should have been deleted in Run()") );
}
-int wxEventLoop::Run()
+int wxGUIEventLoop::Run()
{
// event loops are not recursive, you need to create another loop!
- wxCHECK_MSG( !IsRunning(), -1, _T("can't reenter a message loop") );
+ wxCHECK_MSG( !m_impl, -1, wxT("can't reenter a message loop") );
m_impl = new wxEventLoopImpl;
- wxEventLoop *oldLoop = ms_activeLoop;
- ms_activeLoop = this;
+ wxEventLoopActivator activate(this);
- m_impl->m_keepGoing = TRUE;
+ m_impl->m_keepGoing = true;
while ( m_impl->m_keepGoing )
{
-#if 0 // wxUSE_THREADS
- wxMutexGuiLeaveOrEnter();
-#endif // wxUSE_THREADS
-
// generate and process idle events for as long as we don't have
// anything else to do
while ( ! Pending() )
{
#if wxUSE_TIMER
- wxTimer::NotifyTimers(); // TODO: is this the correct place for it?
+ wxGenericTimerImpl::NotifyTimers(); // TODO: is this the correct place for it?
#endif
if (!m_impl->SendIdleEvent())
{
-#if 0 // wxUSE_THREADS
- // leave the main loop to give other threads a chance to
- // perform their GUI work
- wxMutexGuiLeave();
- wxUsleep(20);
- wxMutexGuiEnter();
-#endif
// Break out of while loop
break;
}
}
}
- int exitcode = m_impl->GetExitCode();
- delete m_impl;
- m_impl = NULL;
+ OnExit();
- ms_activeLoop = oldLoop;
+ int exitcode = m_impl->GetExitCode();
+ wxDELETE(m_impl);
return exitcode;
}
-void wxEventLoop::Exit(int rc)
+void wxGUIEventLoop::Exit(int rc)
{
- wxCHECK_RET( IsRunning(), _T("can't call Exit() if not running") );
-
- m_impl->SetExitCode(rc);
- m_impl->m_keepGoing = FALSE;
+ if ( m_impl )
+ {
+ m_impl->SetExitCode(rc);
+ m_impl->m_keepGoing = false;
+ }
}
// ----------------------------------------------------------------------------
// wxEventLoop message processing dispatching
// ----------------------------------------------------------------------------
-bool wxEventLoop::Pending() const
+bool wxGUIEventLoop::Pending() const
{
XFlush( wxGlobalDisplay() );
return (XPending( wxGlobalDisplay() ) > 0);
}
-bool wxEventLoop::Dispatch()
+bool wxGUIEventLoop::Dispatch()
{
+ // see comment in wxEventLoopManual::ProcessEvents()
+ if ( wxTheApp )
+ wxTheApp->ProcessPendingEvents();
+
XEvent event;
// TODO allowing for threads, as per e.g. wxMSW
fd_set readset;
fd_set writeset;
- int highest = fd;
- FD_ZERO(&readset);
- FD_ZERO(&writeset);
-
- FD_SET(fd, &readset);
-
-#if wxUSE_SOCKETS
- if (wxTheSocketTable)
- wxTheSocketTable->FillSets( &readset, &writeset, &highest );
-#endif
+ wxFD_ZERO(&readset);
+ wxFD_ZERO(&writeset);
+ wxFD_SET(fd, &readset);
- if (select( highest+1, &readset, &writeset, NULL, &tv ) == 0)
+ if (select( fd+1, &readset, &writeset, NULL, &tv ) != 0)
{
- // Timed out, so no event to process
- return TRUE;
- }
- else
- {
- // An X11 event was pending, so get it
- if (FD_ISSET( fd, &readset ))
+ // An X11 event was pending, get it
+ if (wxFD_ISSET( fd, &readset ))
XNextEvent( wxGlobalDisplay(), &event );
-
-#if wxUSE_SOCKETS
- // Check if any socket events were pending,
- // and if so, call their callbacks
- if (wxTheSocketTable)
- wxTheSocketTable->ProcessEvents( &readset, &writeset );
-#endif
}
#endif
}
XNextEvent( wxGlobalDisplay(), &event );
}
+#if wxUSE_SOCKETS
+ // handle any pending socket events:
+ wxFDIODispatcher::DispatchPending();
+#endif
(void) m_impl->ProcessEvent( &event );
- return TRUE;
+ return true;
}
+bool wxGUIEventLoop::YieldFor(long eventsToProcess)
+{
+ // Sometimes only 2 yields seem
+ // to do the trick, e.g. in the
+ // progress dialog
+ int i;
+ for (i = 0; i < 2; i++)
+ {
+ m_isInsideYield = true;
+ m_eventsToProcessInsideYield = eventsToProcess;
+
+ // Call dispatch at least once so that sockets
+ // can be tested
+ wxTheApp->Dispatch();
+
+ // TODO: implement event filtering using the eventsToProcess mask
+ while (wxTheApp && wxTheApp->Pending())
+ wxTheApp->Dispatch();
+
+#if wxUSE_TIMER
+ wxGenericTimerImpl::NotifyTimers();
+#endif
+ ProcessIdle();
+
+ m_isInsideYield = false;
+ }
+
+ return true;
+}
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