X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/a1abca322fd7a9a7abe6cc0b144987786faa0f05..3508c1432884472f0d24f0f98c0dc75ed35df297:/src/gtk/evtloop.cpp diff --git a/src/gtk/evtloop.cpp b/src/gtk/evtloop.cpp index 25806a312c..a609bed729 100644 --- a/src/gtk/evtloop.cpp +++ b/src/gtk/evtloop.cpp @@ -25,7 +25,6 @@ #endif #include "wx/evtloop.h" -#include "wx/ptr_scpd.h" #ifndef WX_PRECOMP #include "wx/app.h" @@ -33,86 +32,98 @@ #include -// ---------------------------------------------------------------------------- -// wxEventLoopImpl -// ---------------------------------------------------------------------------- - -class WXDLLEXPORT wxEventLoopImpl -{ -public: - // ctor - wxEventLoopImpl() { SetExitCode(0); } - - // set/get the exit code - void SetExitCode(int exitcode) { m_exitcode = exitcode; } - int GetExitCode() const { return m_exitcode; } - -private: - // the exit code of the event loop - int m_exitcode; -}; - // ============================================================================ // wxEventLoop implementation // ============================================================================ -wxDEFINE_TIED_SCOPED_PTR_TYPE(wxEventLoopImpl) - // ---------------------------------------------------------------------------- // wxEventLoop running and exiting // ---------------------------------------------------------------------------- -wxEventLoop::~wxEventLoop() +wxGUIEventLoop::wxGUIEventLoop() { - wxASSERT_MSG( !m_impl, _T("should have been deleted in Run()") ); + m_exitcode = 0; } -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( !IsRunning(), -1, "can't reenter a message loop" ); wxEventLoopActivator activate(this); - wxEventLoopImplTiedPtr impl(&m_impl, new wxEventLoopImpl); - gtk_main(); OnExit(); - return m_impl->GetExitCode(); + return m_exitcode; } -void wxEventLoop::Exit(int rc) +void wxGUIEventLoop::Exit(int rc) { - wxCHECK_RET( IsRunning(), _T("can't call Exit() if not running") ); + wxCHECK_RET( IsRunning(), "can't call Exit() if not running" ); - m_impl->SetExitCode(rc); + m_exitcode = rc; gtk_main_quit(); } +void wxGUIEventLoop::WakeUp() +{ + // TODO: idle events handling should really be done by wxEventLoop itself + // but for now it's completely in gtk/app.cpp so just call there when + // we have wxTheApp and hope that it doesn't matter that we do + // nothing when we don't... + if ( wxTheApp ) + wxTheApp->WakeUpIdle(); +} + // ---------------------------------------------------------------------------- // wxEventLoop message processing dispatching // ---------------------------------------------------------------------------- -bool wxEventLoop::Pending() const +bool wxGUIEventLoop::Pending() const { - bool pending; - wxApp* app = wxTheApp; - if (app != NULL) - // app->EventsPending() avoids false positives from our idle source - pending = app->EventsPending(); - else - pending = gtk_events_pending() != 0; - return pending; + if ( wxTheApp ) + { + // this avoids false positives from our idle source + return wxTheApp->EventsPending(); + } + + return gtk_events_pending() != 0; } -bool wxEventLoop::Dispatch() +bool wxGUIEventLoop::Dispatch() { wxCHECK_MSG( IsRunning(), false, _T("can't call Dispatch() if not running") ); - gtk_main_iteration(); + // gtk_main_iteration() returns TRUE only if gtk_main_quit() was called + return !gtk_main_iteration(); +} + +extern "C" { +static gboolean wx_event_loop_timeout(void* data) +{ + bool* expired = static_cast(data); + *expired = true; + + // return FALSE to remove this timeout + return FALSE; +} +} - return true; +int wxGUIEventLoop::DispatchTimeout(unsigned long timeout) +{ + bool expired = false; + const unsigned id = g_timeout_add(timeout, wx_event_loop_timeout, &expired); + bool quit = gtk_main_iteration() != 0; + + if ( expired ) + return -1; + + g_source_remove(id); + + return !quit; } + +