X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/77ffb5937e89927b621128789401db8921fe580f..06f28e557258a48f6a4b7ccb6aa08448c025ab68:/src/x11/evtloop.cpp diff --git a/src/x11/evtloop.cpp b/src/x11/evtloop.cpp index 5e624178f8..146fabde14 100644 --- a/src/x11/evtloop.cpp +++ b/src/x11/evtloop.cpp @@ -1,12 +1,12 @@ /////////////////////////////////////////////////////////////////////////////// -// 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: wxWidgets licence +// Licence: wxWindows licence /////////////////////////////////////////////////////////////////////////////// // ============================================================================ @@ -17,236 +17,33 @@ // headers // ---------------------------------------------------------------------------- -#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) - #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/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 #include #include -#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 #endif // ---------------------------------------------------------------------------- @@ -257,12 +54,12 @@ class WXDLLEXPORT wxEventLoopImpl { 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 @@ -270,7 +67,7 @@ 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); @@ -292,41 +89,18 @@ bool wxEventLoopImpl::ProcessEvent(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; } // ---------------------------------------------------------------------------- @@ -342,55 +116,36 @@ bool wxEventLoopImpl::SendIdleEvent() // wxEventLoop implementation // ============================================================================ -wxEventLoop *wxEventLoop::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()") ); } -bool wxEventLoop::IsRunning() const -{ - return m_impl != NULL; -} - -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; - m_impl->m_keepGoing = TRUE; + wxEventLoopActivator activate(this); + + 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; } @@ -404,35 +159,39 @@ int wxEventLoop::Run() } } - 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 @@ -443,7 +202,7 @@ bool wxEventLoop::Dispatch() // 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 @@ -454,53 +213,67 @@ bool wxEventLoop::Dispatch() // 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; - FD_ZERO(&readset); - FD_ZERO(&writeset); - - FD_SET(fd, &readset); + 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 + if (select( fd+1, &readset, &writeset, NULL, &tv ) != 0) { - // 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 - } + } else { 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; +}