X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/0d8dda3216192a8b18f20c6e718dd1d52721bcb7..5ac8ce9e055c56bb0b939905fa682a324ec3d300:/src/gtk/app.cpp diff --git a/src/gtk/app.cpp b/src/gtk/app.cpp index 8ded6a5944..b894f1bb1c 100644 --- a/src/gtk/app.cpp +++ b/src/gtk/app.cpp @@ -7,15 +7,19 @@ // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// -#ifdef __GNUG__ +#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) #pragma implementation "app.h" #endif #ifdef __VMS -#include +// vms_jackets.h should for proper working be included before anything else +# include #undef ConnectionNumber #endif +// For compilers that support precompilation, includes "wx.h". +#include "wx/wxprec.h" + #include "wx/app.h" #include "wx/gdicmn.h" #include "wx/utils.h" @@ -30,6 +34,11 @@ #include "wx/filename.h" #include "wx/module.h" #include "wx/image.h" +#include "wx/thread.h" + +#ifdef __WXGPE__ +#include +#endif #ifdef __WXUNIVERSAL__ #include "wx/univ/theme.h" @@ -71,7 +80,6 @@ #include - //----------------------------------------------------------------------------- // global data //----------------------------------------------------------------------------- @@ -89,6 +97,10 @@ extern bool g_isIdle; void wxapp_install_idle_handler(); +#if wxUSE_THREADS +static wxMutex gs_idleTagsMutex; +#endif + //----------------------------------------------------------------------------- // wxYield //----------------------------------------------------------------------------- @@ -120,14 +132,9 @@ bool wxApp::Yield(bool onlyIfNeeded) wxIsInsideYield = TRUE; - if (!g_isIdle) - { - // We need to remove idle callbacks or the loop will - // never finish. - gtk_idle_remove( m_idleTag ); - m_idleTag = 0; - g_isIdle = TRUE; - } + // We need to remove idle callbacks or the loop will + // never finish. + wxTheApp->RemoveIdleTag(); // disable log flushing from here because a call to wxYield() shouldn't // normally result in message boxes popping up &c @@ -156,20 +163,30 @@ bool wxApp::Yield(bool onlyIfNeeded) // wxWakeUpIdle //----------------------------------------------------------------------------- +// RR/KH: The wxMutexGui calls are not needed on GTK2 according to +// the GTK faq, http://www.gtk.org/faq/#AEN500 +// The calls to gdk_threads_enter() and leave() are specifically noted +// as not being necessary. The MutexGui calls are still left in for GTK1. +// Eliminating the MutexGui calls fixes the long-standing "random" lockup +// when using wxPostEvent (which calls WakeUpIdle) from a thread. + void wxApp::WakeUpIdle() { +#ifndef __WXGTK20__ #if wxUSE_THREADS if (!wxThread::IsMain()) wxMutexGuiEnter(); -#endif +#endif // wxUSE_THREADS_ +#endif // __WXGTK2__ - if (g_isIdle) - wxapp_install_idle_handler(); + wxapp_install_idle_handler(); +#ifndef __WXGTK20__ #if wxUSE_THREADS if (!wxThread::IsMain()) wxMutexGuiLeave(); -#endif +#endif // wxUSE_THREADS_ +#endif // __WXGTK2__ } //----------------------------------------------------------------------------- @@ -192,7 +209,12 @@ static gint wxapp_pending_callback( gpointer WXUNUSED(data) ) // Sent idle event to all who request them. wxTheApp->ProcessPendingEvents(); - g_pendingTag = 0; + { +#if wxUSE_THREADS + wxMutexLocker lock(gs_idleTagsMutex); +#endif + g_pendingTag = 0; + } // Flush the logged messages if any. #if wxUSE_LOG @@ -240,8 +262,13 @@ static gint wxapp_idle_callback( gpointer WXUNUSED(data) ) // 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; + { +#if wxUSE_THREADS + wxMutexLocker lock(gs_idleTagsMutex); +#endif + g_isIdle = TRUE; + wxTheApp->m_idleTag = 0; + } // Send idle event to all who request them as long as // no events have popped up in the event queue. @@ -349,6 +376,15 @@ static gint wxapp_poll_func( GPollFD *ufds, guint nfds, gint timeout ) void wxapp_install_idle_handler() { +#if wxUSE_THREADS + wxMutexLocker lock(gs_idleTagsMutex); +#endif + + // Don't install the handler if it's already installed. This test *MUST* + // be done when gs_idleTagsMutex is locked! + if (!g_isIdle) + return; + // GD: this assert is raised when using the thread sample (which works) // so the test is probably not so easy. Can widget callbacks be // triggered from child threads and, if so, for which widgets? @@ -390,17 +426,17 @@ GtkWidget* wxGetRootWindow() IMPLEMENT_DYNAMIC_CLASS(wxApp,wxEvtHandler) BEGIN_EVENT_TABLE(wxApp, wxEvtHandler) - EVT_IDLE(wxApp::OnIdle) + EVT_IDLE(wxAppBase::OnIdle) END_EVENT_TABLE() wxApp::wxApp() { - m_initialized = FALSE; #ifdef __WXDEBUG__ m_isInAssert = FALSE; #endif // __WXDEBUG__ m_idleTag = 0; + g_isIdle = TRUE; wxapp_install_idle_handler(); #if wxUSE_THREADS @@ -534,156 +570,22 @@ GdkVisual *wxApp::GetGdkVisual() 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 ); - - return event.MoreRequested(); -} - -void wxApp::OnIdle( wxIdleEvent &event ) -{ - static bool s_inOnIdle = FALSE; - - // 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 - ProcessPendingEvents(); - - // 'Garbage' collection of windows deleted with Close() - DeletePendingObjects(); - - // Send OnIdle events to all windows - bool needMore = SendIdleEvents(); - - if (needMore) - event.RequestMore(TRUE); - - s_inOnIdle = FALSE; -} - -bool wxApp::SendIdleEvents() -{ - bool needMore = FALSE; - - wxWindowList::Node* node = wxTopLevelWindows.GetFirst(); - while (node) - { - wxWindow* win = node->GetData(); - if (SendIdleEvents(win)) - needMore = TRUE; - - node = node->GetNext(); - } - - return needMore; -} - -bool wxApp::CallInternalIdle( wxWindow* win ) -{ - win->OnInternalIdle(); - - wxWindowList::Node *node = win->GetChildren().GetFirst(); - while (node) - { - wxWindow *win = node->GetData(); - - CallInternalIdle( win ); - node = node->GetNext(); - } - - return TRUE; -} - -bool wxApp::SendIdleEvents( wxWindow* win ) -{ - bool needMore = FALSE; - - wxIdleEvent event; - event.SetEventObject(win); - - win->GetEventHandler()->ProcessEvent(event); - - if (event.MoreRequested()) - needMore = TRUE; - - wxWindowList::Node *node = win->GetChildren().GetFirst(); - while (node) - { - wxWindow *win = node->GetData(); - - if (SendIdleEvents(win)) - needMore = TRUE; - node = node->GetNext(); - } - - return needMore; -} - -int wxApp::MainLoop() -{ - gtk_main(); - return 0; -} - -void wxApp::Exit() -{ - // VZ: no idea why is it different from ExitMainLoop() but this is what - // wxExit() used to do - gtk_main_quit(); -} - -void wxApp::ExitMainLoop() -{ - if (gtk_main_level() > 0) - gtk_main_quit(); -} - -bool wxApp::Initialized() -{ - return m_initialized; -} - -bool wxApp::Pending() -{ - return (gtk_events_pending() > 0); -} - -void wxApp::Dispatch() -{ - gtk_main_iteration(); -} - bool wxApp::Initialize(int& argc, wxChar **argv) { + bool init_result; + #if wxUSE_THREADS // 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)) { - printf( "wxWindows warning: GUI threading disabled due to outdated GTK version\n" ); + printf( "wxWidgets warning: GUI threading disabled due to outdated GTK version\n" ); } else { - g_thread_init(NULL); + if (!g_thread_supported()) + g_thread_init(NULL); } #endif // wxUSE_THREADS @@ -715,7 +617,13 @@ bool wxApp::Initialize(int& argc, wxChar **argv) argvGTK[argc] = NULL; int argcGTK = argc; - gtk_init( &argcGTK, &argvGTK ); + +#ifdef __WXGPE__ + init_result = true; // is there a _check() version of this? + gpe_application_init( &argcGTK, &argvGTK ); +#else + init_result = gtk_init_check( &argcGTK, &argvGTK ); +#endif if ( argcGTK != argc ) { @@ -742,9 +650,14 @@ bool wxApp::Initialize(int& argc, wxChar **argv) #else // !wxUSE_UNICODE // gtk_init() shouldn't actually change argv itself (just its contents) so // it's ok to pass pointer to it - gtk_init( &argc, &argv ); + init_result = gtk_init_check( &argc, &argv ); #endif // wxUSE_UNICODE/!wxUSE_UNICODE + if (!init_result) { + wxLogError(wxT("Unable to initialize gtk, is DISPLAY set properly?")); + return false; + } + // we can not enter threads before gtk_init is done gdk_threads_enter(); @@ -761,8 +674,6 @@ bool wxApp::Initialize(int& argc, wxChar **argv) wxFont::SetDefaultEncoding(wxLocale::GetSystemEncoding()); #endif - wxGetRootWindow(); - return true; } @@ -786,3 +697,15 @@ void wxApp::OnAssert(const wxChar *file, int line, const wxChar* cond, const wxC #endif // __WXDEBUG__ +void wxApp::RemoveIdleTag() +{ +#if wxUSE_THREADS + wxMutexLocker lock(gs_idleTagsMutex); +#endif + if (!g_isIdle) + { + gtk_idle_remove( wxTheApp->m_idleTag ); + wxTheApp->m_idleTag = 0; + g_isIdle = TRUE; + } +}