call MSWProcessMessage() for the window itself, although a comment said that this...

[wxWidgets.git] / src / x11 / evtloop.cpp

diff --git a/src/x11/evtloop.cpp b/src/x11/evtloop.cpp
index da51dca79ea3ba65a7e75fae9b455c34758dfa9d..fa380fcc0d4ff77c3312b790a73c3874553bb05a 100644 (file)
--- a/src/x11/evtloop.cpp
+++ b/src/x11/evtloop.cpp
@@ -1,5 +1,5 @@
 ///////////////////////////////////////////////////////////////////////////////
 ///////////////////////////////////////////////////////////////////////////////

-// Name:        x11/evtloop.cpp
+// Name:        src/x11/evtloop.cpp

 // Purpose:     implements wxEventLoop for X11
 // Author:      Julian Smart
 // Modified by:
 // Purpose:     implements wxEventLoop for X11
 // Author:      Julian Smart
 // Modified by:


@@ -17,20 +17,243 @@
 // headers
 // ----------------------------------------------------------------------------
 
 // headers
 // ----------------------------------------------------------------------------
 

-#ifdef __GNUG__
-    #pragma implementation "evtloop.h"
-#endif
+// for compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"

 
 

-#include "wx/window.h"
-#include "wx/app.h"

 #include "wx/evtloop.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/timer.h"

 #endif
 #endif

+
+#include "wx/tooltip.h"
+#include "wx/module.h"
+#include "wx/unix/private.h"

 #include "wx/x11/private.h"
 #include "X11/Xlib.h"
 
 #include "wx/x11/private.h"
 #include "X11/Xlib.h"
 

+#if wxUSE_THREADS
+    #include "wx/thread.h"
+#endif
+
+#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)
+        {
+            wxFD_SET(entry->m_fdInput, readset);
+            if (entry->m_fdInput > *highest)
+                * highest = entry->m_fdInput;
+        }
+
+        if (entry->m_fdOutput != -1)
+        {
+            wxFD_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 && wxFD_ISSET(entry->m_fdInput, readset))
+        {
+            (entry->m_callbackInput) (entry->m_fdInput, entry->m_dataInput);
+        }
+
+        if (entry->m_fdOutput != -1 && wxFD_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);
+    }
+}
+#endif
+

 // ----------------------------------------------------------------------------
 // wxEventLoopImpl
 // ----------------------------------------------------------------------------
 // ----------------------------------------------------------------------------
 // wxEventLoopImpl
 // ----------------------------------------------------------------------------


@@ -39,12 +262,12 @@ class WXDLLEXPORT wxEventLoopImpl
 {
 public:
     // ctor
 {
 public:
     // ctor

-    wxEventLoopImpl() { SetExitCode(0); m_keepGoing = FALSE; }
+    wxEventLoopImpl() { SetExitCode(0); m_keepGoing = false; }

 
 

-    // process an XEvent
-    void ProcessEvent(XEvent* event);
+    // 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
     bool SendIdleEvent();
 
     // set/get the exit code


@@ -52,7 +275,7 @@ public:
     int GetExitCode() const { return m_exitcode; }
 
 public:
     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);
 
     // dispatching required)
     bool PreProcessEvent(XEvent* event);
 


@@ -70,15 +293,17 @@ public:
 // wxEventLoopImpl message processing
 // ----------------------------------------------------------------------------
 
 // wxEventLoopImpl message processing
 // ----------------------------------------------------------------------------
 

-void wxEventLoopImpl::ProcessEvent(XEvent *event)
+bool wxEventLoopImpl::ProcessEvent(XEvent *event)

 {
     // give us the chance to preprocess the message first
 {
     // give us the chance to preprocess the message first

-    if ( !PreProcessEvent(event) )
-    {
-        // if it wasn't done, dispatch it to the corresponding window
-        if (wxTheApp)
-            wxTheApp->ProcessXEvent((WXEvent*) event);
-    }
+    if ( PreProcessEvent(event) )
+        return true;
+
+    // if it wasn't done, dispatch it to the corresponding window
+    if (wxTheApp)
+        return wxTheApp->ProcessXEvent((WXEvent*) event);
+
+    return false;

 }
 
 bool wxEventLoopImpl::PreProcessEvent(XEvent *event)
 }
 
 bool wxEventLoopImpl::PreProcessEvent(XEvent *event)


@@ -95,18 +320,18 @@ bool wxEventLoopImpl::PreProcessEvent(XEvent *event)
     for ( wnd = wndThis; wnd; wnd = wnd->GetParent() )
     {
         if ( wnd->MSWTranslateMessage((WXMSG *)msg) )
     for ( wnd = wndThis; wnd; wnd = wnd->GetParent() )
     {
         if ( wnd->MSWTranslateMessage((WXMSG *)msg) )

-            return TRUE;
+            return true;

     }
 
     // Anyone for a non-translation message? Try youngest descendants first.
     for ( wnd = wndThis; wnd; wnd = wnd->GetParent() )
     {
         if ( wnd->MSWProcessMessage((WXMSG *)msg) )
     }
 
     // Anyone for a non-translation message? Try youngest descendants first.
     for ( wnd = wndThis; wnd; wnd = wnd->GetParent() )
     {
         if ( wnd->MSWProcessMessage((WXMSG *)msg) )

-            return TRUE;
+            return true;

     }
 #endif
 
     }
 #endif
 

-    return FALSE;
+    return false;

 }
 
 // ----------------------------------------------------------------------------
 }
 
 // ----------------------------------------------------------------------------


@@ -115,18 +340,13 @@ bool wxEventLoopImpl::PreProcessEvent(XEvent *event)
 
 bool wxEventLoopImpl::SendIdleEvent()
 {
 
 bool wxEventLoopImpl::SendIdleEvent()
 {

-    wxIdleEvent event;
-    event.SetEventObject(wxTheApp);
-
-    return wxTheApp->ProcessEvent(event) && event.MoreRequested();
+    return wxTheApp->ProcessIdle();

 }
 
 // ============================================================================
 // wxEventLoop implementation
 // ============================================================================
 
 }
 
 // ============================================================================
 // wxEventLoop implementation
 // ============================================================================
 

-wxEventLoop *wxEventLoop::ms_activeLoop = NULL;
-

 // ----------------------------------------------------------------------------
 // wxEventLoop running and exiting
 // ----------------------------------------------------------------------------
 // ----------------------------------------------------------------------------
 // wxEventLoop running and exiting
 // ----------------------------------------------------------------------------


@@ -136,32 +356,29 @@ wxEventLoop::~wxEventLoop()
     wxASSERT_MSG( !m_impl, _T("should have been deleted in Run()") );
 }
 
     wxASSERT_MSG( !m_impl, _T("should have been deleted in Run()") );
 }
 

-bool wxEventLoop::IsRunning() const
-{
-    return m_impl != NULL;
-}
-

 int wxEventLoop::Run()
 {
     // event loops are not recursive, you need to create another loop!
     wxCHECK_MSG( !IsRunning(), -1, _T("can't reenter a message loop") );
 
     m_impl = new wxEventLoopImpl;
 int wxEventLoop::Run()
 {
     // event loops are not recursive, you need to create another loop!
     wxCHECK_MSG( !IsRunning(), -1, _T("can't reenter a message loop") );
 
     m_impl = new wxEventLoopImpl;

-    
-    wxEventLoop *oldLoop = ms_activeLoop;
-    ms_activeLoop = this;

 
 

-    m_impl->m_keepGoing = TRUE;
+    wxEventLoopActivator activate(this);
+
+    m_impl->m_keepGoing = true;

     while ( m_impl->m_keepGoing )
     {
 #if 0 // wxUSE_THREADS
     while ( m_impl->m_keepGoing )
     {
 #if 0 // wxUSE_THREADS

-       wxMutexGuiLeaveOrEnter();
+        wxMutexGuiLeaveOrEnter();

 #endif // wxUSE_THREADS
 
         // generate and process idle events for as long as we don't have
         // anything else to do
         while ( ! Pending() )
         {
 #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?
+#endif

             if (!m_impl->SendIdleEvent())
             {
 #if 0 // wxUSE_THREADS
             if (!m_impl->SendIdleEvent())
             {
 #if 0 // wxUSE_THREADS


@@ -188,8 +405,6 @@ int wxEventLoop::Run()
     delete m_impl;
     m_impl = NULL;
 
     delete m_impl;
     m_impl = NULL;
 

-    ms_activeLoop = oldLoop;
-

     return exitcode;
 }
 
     return exitcode;
 }
 


@@ -198,7 +413,7 @@ void wxEventLoop::Exit(int rc)
     wxCHECK_RET( IsRunning(), _T("can't call Exit() if not running") );
 
     m_impl->SetExitCode(rc);
     wxCHECK_RET( IsRunning(), _T("can't call Exit() if not running") );
 
     m_impl->SetExitCode(rc);

-    m_impl->m_keepGoing = FALSE;
+    m_impl->m_keepGoing = false;

 }
 
 // ----------------------------------------------------------------------------
 }
 
 // ----------------------------------------------------------------------------


@@ -207,18 +422,82 @@ void wxEventLoop::Exit(int rc)
 
 bool wxEventLoop::Pending() const
 {
 
 bool wxEventLoop::Pending() const
 {

-    XFlush((Display*) wxGetDisplay());
-    return (XPending((Display*) wxGetDisplay()) > 0);
+    XFlush( wxGlobalDisplay() );
+    return (XPending( wxGlobalDisplay() ) > 0);

 }
 
 bool wxEventLoop::Dispatch()
 {
     XEvent event;
 
 }
 
 bool wxEventLoop::Dispatch()
 {
     XEvent event;
 

+    // Start off by checking if any of our child processes have finished.
+    wxCheckForFinishedChildren();
+

     // TODO allowing for threads, as per e.g. wxMSW
 
     // TODO allowing for threads, as per e.g. wxMSW
 

-    XNextEvent((Display*) wxGetDisplay(), & event);
-    m_impl->ProcessEvent(& event);
-    return TRUE;
-}
+    // This now waits until either an X event is received,
+    // or the select times out. So we should now process
+    // wxTimers in a reasonably timely fashion. However it
+    // does also mean that idle processing will happen more
+    // often, so we should probably limit idle processing to
+    // not be repeated more than every N milliseconds.
+
+    if (XPending( wxGlobalDisplay() ) == 0)
+    {
+#if wxUSE_NANOX
+        GR_TIMEOUT timeout = 10; // Milliseconds
+        // Wait for next event, or timeout
+        GrGetNextEventTimeout(& event, timeout);
+
+        // Fall through to ProcessEvent.
+        // we'll assume that ProcessEvent will just ignore
+        // the event if there was a timeout and no event.
+
+#else
+        struct timeval tv;
+        tv.tv_sec=0;
+        tv.tv_usec=10000; // TODO make this configurable
+        int fd = ConnectionNumber( wxGlobalDisplay() );
+
+        fd_set readset;
+        fd_set writeset;
+        int highest = fd;
+        wxFD_ZERO(&readset);
+        wxFD_ZERO(&writeset);
+
+        wxFD_SET(fd, &readset);
+
+#if wxUSE_SOCKETS
+        if (wxTheSocketTable)
+            wxTheSocketTable->FillSets( &readset, &writeset, &highest );
+#endif

 
 

+        if (select( highest+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 (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
+    }
+    else
+    {
+        XNextEvent( wxGlobalDisplay(), &event );
+    }
+
+
+    (void) m_impl->ProcessEvent( &event );
+    return true;
+}