X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/295272bdcd784fbe2b33883d00cff0f5c0ca5341..62e819ee45059232300d598d9a85f9ad77a23c45:/src/gtk/app.cpp diff --git a/src/gtk/app.cpp b/src/gtk/app.cpp index 3390312177..eccbb52d0a 100644 --- a/src/gtk/app.cpp +++ b/src/gtk/app.cpp @@ -11,6 +11,10 @@ #pragma implementation "app.h" #endif +#ifdef __VMS +#include +#endif + #include "wx/app.h" #include "wx/gdicmn.h" #include "wx/utils.h" @@ -20,6 +24,9 @@ #include "wx/font.h" #include "wx/settings.h" #include "wx/dialog.h" +#include "wx/msgdlg.h" +#include "wx/file.h" +#include "wx/filename.h" #if wxUSE_WX_RESOURCES #include "wx/resource.h" @@ -38,6 +45,32 @@ #endif #include + +#ifdef HAVE_POLL + #if defined(__VMS) + #include + #else + // bug in the OpenBSD headers: at least in 3.1 there is no extern "C" + // in neither poll.h nor sys/poll.h which results in link errors later + #ifdef __OPENBSD__ + extern "C" + { + #endif + + #include + + #ifdef __OPENBSD__ + }; + #endif + #endif // platform +#else // !HAVE_POLL + // we implement poll() ourselves using select() which is supposed exist in + // all modern Unices + #include + #include + #include +#endif // HAVE_POLL/!HAVE_POLL + #include "wx/gtk/win_gtk.h" #include @@ -50,25 +83,17 @@ wxApp *wxTheApp = (wxApp *) NULL; wxAppInitializerFunction wxAppBase::m_appInitFn = (wxAppInitializerFunction) NULL; -extern bool g_isIdle; - bool g_mainThreadLocked = FALSE; gint g_pendingTag = 0; static GtkWidget *gs_RootWindow = (GtkWidget*) NULL; //----------------------------------------------------------------------------- -// local functions +// idle system //----------------------------------------------------------------------------- -extern "C" -{ - gint wxapp_idle_callback( gpointer WXUNUSED(data) ); - gint wxapp_pending_callback( gpointer WXUNUSED(data) ); -} +extern bool g_isIdle; -void wxapp_install_thread_wakeup(); -void wxapp_uninstall_thread_wakeup(); void wxapp_install_idle_handler(); //----------------------------------------------------------------------------- @@ -84,12 +109,14 @@ void wxExit() // wxYield //----------------------------------------------------------------------------- +// not static because used by textctrl.cpp +// +// MT-FIXME +bool wxIsInsideYield = FALSE; + bool wxApp::Yield(bool onlyIfNeeded) { - // MT-FIXME - static bool s_inYield = FALSE; - - if ( s_inYield ) + if ( wxIsInsideYield ) { if ( !onlyIfNeeded ) { @@ -107,7 +134,7 @@ bool wxApp::Yield(bool onlyIfNeeded) } #endif // wxUSE_THREADS - s_inYield = TRUE; + wxIsInsideYield = TRUE; if (!g_isIdle) { @@ -125,17 +152,18 @@ bool wxApp::Yield(bool onlyIfNeeded) while (gtk_events_pending()) gtk_main_iteration(); - /* it's necessary to call ProcessIdle() to update the frames sizes which - might have been changed (it also will update other things set from - OnUpdateUI() which is a nice (and desired) side effect) */ - while ( ProcessIdle() ) - { - } + // It's necessary to call ProcessIdle() to update the frames sizes which + // might have been changed (it also will update other things set from + // OnUpdateUI() which is a nice (and desired) side effect). But we + // call ProcessIdle() only once since this is not meant for longish + // background jobs (controlled by wxIdleEvent::RequestMore() and the + // return value of Processidle(). + ProcessIdle(); // let the logs be flashed again wxLog::Resume(); - s_inYield = FALSE; + wxIsInsideYield = FALSE; return TRUE; } @@ -164,43 +192,25 @@ void wxWakeUpIdle() // local functions //----------------------------------------------------------------------------- -void wxapp_install_idle_handler() -{ - wxASSERT_MSG( wxTheApp->m_idleTag == 0, wxT("attempt to install idle handler twice") ); - - g_isIdle = FALSE; - - if (g_pendingTag == 0) - g_pendingTag = gtk_idle_add_priority( 900, wxapp_pending_callback, (gpointer) NULL ); - - /* This routine gets called by all event handlers - indicating that the idle is over. It may also - get called from other thread for sending events - to the main thread (and processing these in - idle time). Very low priority. */ - - wxTheApp->m_idleTag = gtk_idle_add_priority( 1000, wxapp_idle_callback, (gpointer) NULL ); -} - // the callback functions must be extern "C" to comply with GTK+ declarations extern "C" { -gint wxapp_pending_callback( gpointer WXUNUSED(data) ) +static gint wxapp_pending_callback( gpointer WXUNUSED(data) ) { if (!wxTheApp) return TRUE; - // when getting called from GDK's time-out handler + // When getting called from GDK's time-out handler // we are no longer within GDK's grab on the GUI - // thread so we must lock it here ourselves + // thread so we must lock it here ourselves. gdk_threads_enter(); - // Sent idle event to all who request them + // Sent idle event to all who request them. wxTheApp->ProcessPendingEvents(); g_pendingTag = 0; - /* flush the logged messages if any */ + // Flush the logged messages if any. #if wxUSE_LOG wxLog::FlushActive(); #endif // wxUSE_LOG @@ -213,7 +223,7 @@ gint wxapp_pending_callback( gpointer WXUNUSED(data) ) return FALSE; } -gint wxapp_idle_callback( gpointer WXUNUSED(data) ) +static gint wxapp_idle_callback( gpointer WXUNUSED(data) ) { if (!wxTheApp) return TRUE; @@ -224,99 +234,161 @@ gint wxapp_idle_callback( gpointer WXUNUSED(data) ) // from some safely-looking functions if ( wxTheApp->IsInAssert() ) { + // But repaint the assertion message if necessary + if (wxTopLevelWindows.GetCount() > 0) + { + wxWindow* win = (wxWindow*) wxTopLevelWindows.Last()->Data(); + if (win->IsKindOf(CLASSINFO(wxGenericMessageDialog))) + win->OnInternalIdle(); + } return TRUE; } #endif // __WXDEBUG__ - // when getting called from GDK's time-out handler + // When getting called from GDK's time-out handler // we are no longer within GDK's grab on the GUI - // thread so we must lock it here ourselves + // thread so we must lock it here ourselves. gdk_threads_enter(); - /* Indicate that we are now in idle mode - even so deeply - in idle mode that we don't get any idle events anymore. - this is like wxMSW where an idle event is sent only - once each time after the event queue has been completely - emptied */ + // 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; - // Sent idle event to all who request them as long as they do - while (wxTheApp->ProcessIdle()) + // Send idle event to all who request them as long as + // no events have popped up in the event queue. + while (wxTheApp->ProcessIdle() && (gtk_events_pending() == 0)) ; // Release lock again gdk_threads_leave(); // Return FALSE to indicate that no more idle events are - // to be sent (single shot instead of continuous stream) + // to be sent (single shot instead of continuous stream). return FALSE; } #if wxUSE_THREADS -gint wxapp_wakeup_timerout_callback( gpointer WXUNUSED(data) ) +#ifdef HAVE_POLL + #define wxPoll poll + #define wxPollFd pollfd +#else // !HAVE_POLL + +typedef GPollFD wxPollFd; + +int wxPoll(wxPollFd *ufds, unsigned int nfds, int timeout) { - // when getting called from GDK's time-out handler - // we are no longer within GDK's grab on the GUI - // thread so we must lock it here ourselves - gdk_threads_enter(); + // convert timeout from ms to struct timeval (s/us) + timeval tv_timeout; + tv_timeout.tv_sec = timeout/1000; + tv_timeout.tv_usec = (timeout%1000)*1000; - wxapp_uninstall_thread_wakeup(); + // remember the highest fd used here + int fdMax = -1; - // unblock other threads wishing to do some GUI things - wxMutexGuiLeave(); + // and fill the sets for select() + fd_set readfds; + fd_set writefds; + fd_set exceptfds; + FD_ZERO(&readfds); + FD_ZERO(&writefds); + FD_ZERO(&exceptfds); - g_mainThreadLocked = TRUE; + unsigned int i; + for ( i = 0; i < nfds; i++ ) + { + wxASSERT_MSG( ufds[i].fd < FD_SETSIZE, _T("fd out of range") ); - // wake up other threads - wxUsleep( 1 ); + if ( ufds[i].events & G_IO_IN ) + FD_SET(ufds[i].fd, &readfds); - // block other thread again - wxMutexGuiEnter(); + if ( ufds[i].events & G_IO_PRI ) + FD_SET(ufds[i].fd, &exceptfds); - g_mainThreadLocked = FALSE; + if ( ufds[i].events & G_IO_OUT ) + FD_SET(ufds[i].fd, &writefds); - wxapp_install_thread_wakeup(); + if ( ufds[i].fd > fdMax ) + fdMax = ufds[i].fd; + } - // release lock again - gdk_threads_leave(); + fdMax++; + int res = select(fdMax, &readfds, &writefds, &exceptfds, &tv_timeout); - return TRUE; -} + // translate the results back + for ( i = 0; i < nfds; i++ ) + { + ufds[i].revents = 0; -#endif // wxUSE_THREADS + if ( FD_ISSET(ufds[i].fd, &readfds ) ) + ufds[i].revents |= G_IO_IN; -} // extern "C" + if ( FD_ISSET(ufds[i].fd, &exceptfds ) ) + ufds[i].revents |= G_IO_PRI; -#if wxUSE_THREADS + if ( FD_ISSET(ufds[i].fd, &writefds ) ) + ufds[i].revents |= G_IO_OUT; + } -static int g_threadUninstallLevel = 0; + return res; +} + +#endif // HAVE_POLL/!HAVE_POLL -void wxapp_install_thread_wakeup() +static gint wxapp_poll_func( GPollFD *ufds, guint nfds, gint timeout ) { - g_threadUninstallLevel++; + gdk_threads_enter(); - if (g_threadUninstallLevel != 1) return; + wxMutexGuiLeave(); + g_mainThreadLocked = TRUE; + + // we rely on the fact that glib GPollFD struct is really just pollfd but + // I wonder how wise is this in the long term (VZ) + gint res = wxPoll( (wxPollFd *) ufds, nfds, timeout ); - if (wxTheApp->m_wakeUpTimerTag) return; + wxMutexGuiEnter(); + g_mainThreadLocked = FALSE; - wxTheApp->m_wakeUpTimerTag = gtk_timeout_add( 50, wxapp_wakeup_timerout_callback, (gpointer) NULL ); + gdk_threads_leave(); + + return res; } -void wxapp_uninstall_thread_wakeup() +#endif // wxUSE_THREADS + +} // extern "C" + +void wxapp_install_idle_handler() { - g_threadUninstallLevel--; + wxASSERT_MSG( wxTheApp->m_idleTag == 0, wxT("attempt to install idle handler twice") ); - if (g_threadUninstallLevel != 0) return; + g_isIdle = FALSE; - if (!wxTheApp->m_wakeUpTimerTag) return; + if (g_pendingTag == 0) + g_pendingTag = gtk_idle_add_priority( 900, wxapp_pending_callback, (gpointer) NULL ); - gtk_timeout_remove( wxTheApp->m_wakeUpTimerTag ); - wxTheApp->m_wakeUpTimerTag = 0; + // This routine gets called by all event handlers + // indicating that the idle is over. It may also + // get called from other thread for sending events + // to the main thread (and processing these in + // idle time). Very low priority. + wxTheApp->m_idleTag = gtk_idle_add_priority( 1000, wxapp_idle_callback, (gpointer) NULL ); } -#endif // wxUSE_THREADS +//----------------------------------------------------------------------------- +// Access to the root window global +//----------------------------------------------------------------------------- + +GtkWidget* wxGetRootWindow() +{ + if (gs_RootWindow == NULL) + { + gs_RootWindow = gtk_window_new( GTK_WINDOW_TOPLEVEL ); + gtk_widget_realize( gs_RootWindow ); + } + return gs_RootWindow; +} //----------------------------------------------------------------------------- // wxApp @@ -339,12 +411,11 @@ wxApp::wxApp() wxapp_install_idle_handler(); #if wxUSE_THREADS - m_wakeUpTimerTag = 0; - wxapp_install_thread_wakeup(); + g_main_set_poll_func( wxapp_poll_func ); #endif m_colorCube = (unsigned char*) NULL; - + // this is NULL for a "regular" wxApp, but is set (and freed) by a wxGLApp m_glVisualInfo = (void *) NULL; } @@ -353,10 +424,6 @@ wxApp::~wxApp() { if (m_idleTag) gtk_idle_remove( m_idleTag ); -#if wxUSE_THREADS - wxapp_uninstall_thread_wakeup(); -#endif - if (m_colorCube) free(m_colorCube); } @@ -369,12 +436,13 @@ bool wxApp::OnInitGui() // if this is a wxGLApp (derived from wxApp), and we've already // chosen a specific visual, then derive the GdkVisual from that - if (m_glVisualInfo != NULL) { + if (m_glVisualInfo != NULL) + { #ifdef __WXGTK20__ - /* seems gtk_widget_set_default_visual no longer exists? */ + // seems gtk_widget_set_default_visual no longer exists? GdkVisual* vis = gtk_widget_get_default_visual(); #else - GdkVisual* vis = gdkx_visual_get( + GdkVisual* vis = gdkx_visual_get( ((XVisualInfo *) m_glVisualInfo) ->visualid ); gtk_widget_set_default_visual( vis ); #endif @@ -384,13 +452,12 @@ bool wxApp::OnInitGui() visual = vis; } - - /* on some machines, the default visual is just 256 colours, so - we make sure we get the best. this can sometimes be wasteful, - of course, but what do these guys pay $30.000 for? */ - else if ((gdk_visual_get_best() != gdk_visual_get_system()) && - (m_useBestVisual)) + // On some machines, the default visual is just 256 colours, so + // we make sure we get the best. This can sometimes be wasteful. + + else + if ((gdk_visual_get_best() != gdk_visual_get_system()) && (m_useBestVisual)) { #ifdef __WXGTK20__ /* seems gtk_widget_set_default_visual no longer exists? */ @@ -406,10 +473,10 @@ bool wxApp::OnInitGui() visual = vis; } - /* Nothing to do for 15, 16, 24, 32 bit displays */ + // Nothing to do for 15, 16, 24, 32 bit displays if (visual->depth > 8) return TRUE; - /* initialize color cube for 8-bit color reduction dithering */ + // initialize color cube for 8-bit color reduction dithering GdkColormap *cmap = gtk_widget_get_default_colormap(); @@ -446,16 +513,11 @@ bool wxApp::OnInitGui() } else { -#if (GTK_MINOR_VERSION > 0) - /* assume 8-bit true or static colors. this really - exists. */ + // assume 8-bit true or static colors. this really exists GdkVisual* vis = gdk_colormap_get_visual( cmap ); index = (r >> (5 - vis->red_prec)) << vis->red_shift; index |= (g >> (5 - vis->green_prec)) << vis->green_shift; index |= (b >> (5 - vis->blue_prec)) << vis->blue_shift; -#else - wxFAIL_MSG( wxT("Unsupported graphics hardware") ); -#endif } m_colorCube[ (r*1024) + (g*32) + b ] = index; } @@ -465,8 +527,32 @@ bool wxApp::OnInitGui() return TRUE; } +GdkVisual *wxApp::GetGdkVisual() +{ + GdkVisual *visual = NULL; + + if (m_glVisualInfo) + visual = gdkx_visual_get( ((XVisualInfo *) m_glVisualInfo)->visualid ); + else + visual = gdk_window_get_visual( wxGetRootWindow()->window ); + + wxASSERT( visual ); + + 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 ); @@ -478,20 +564,20 @@ void wxApp::OnIdle( wxIdleEvent &event ) { static bool s_inOnIdle = FALSE; - /* Avoid recursion (via ProcessEvent default case) */ + // 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 */ + // Resend in the main thread events which have been prepared in other + // threads ProcessPendingEvents(); - /* 'Garbage' collection of windows deleted with Close(). */ + // 'Garbage' collection of windows deleted with Close() DeletePendingObjects(); - /* Send OnIdle events to all windows */ + // Send OnIdle events to all windows bool needMore = SendIdleEvents(); if (needMore) @@ -510,12 +596,29 @@ bool wxApp::SendIdleEvents() wxWindow* win = node->GetData(); if (SendIdleEvents(win)) needMore = TRUE; + node = node->GetNext(); } return needMore; } +bool wxApp::CallInternalIdle( wxWindow* win ) +{ + win->OnInternalIdle(); + + wxNode* node = win->GetChildren().First(); + while (node) + { + wxWindow* win = (wxWindow*) node->Data(); + CallInternalIdle( win ); + + node = node->Next(); + } + + return TRUE; +} + bool wxApp::SendIdleEvents( wxWindow* win ) { bool needMore = FALSE; @@ -525,8 +628,6 @@ bool wxApp::SendIdleEvents( wxWindow* win ) win->GetEventHandler()->ProcessEvent(event); - win->OnInternalIdle(); - if (event.MoreRequested()) needMore = TRUE; @@ -539,7 +640,8 @@ bool wxApp::SendIdleEvents( wxWindow* win ) node = node->Next(); } - return needMore ; + + return needMore; } int wxApp::MainLoop() @@ -587,14 +689,8 @@ void wxApp::DeletePendingObjects() bool wxApp::Initialize() { - wxBuffer = new wxChar[BUFSIZ + 512]; - wxClassInfo::InitializeClasses(); -#if wxUSE_INTL - wxFont::SetDefaultEncoding(wxLocale::GetSystemEncoding()); -#endif - // GL: I'm annoyed ... I don't know where to put this and I don't want to // create a module for that as it's part of the core. #if wxUSE_THREADS @@ -613,7 +709,12 @@ bool wxApp::Initialize() #endif wxModule::RegisterModules(); - if (!wxModule::InitializeModules()) return FALSE; + if (!wxModule::InitializeModules()) + return FALSE; + +#if wxUSE_INTL + wxFont::SetDefaultEncoding(wxLocale::GetSystemEncoding()); +#endif return TRUE; } @@ -626,9 +727,7 @@ void wxApp::CleanUp() wxCleanUpResourceSystem(); #endif - if (wxTheColourDatabase) - delete wxTheColourDatabase; - + delete wxTheColourDatabase; wxTheColourDatabase = (wxColourDatabase*) NULL; wxDeleteStockObjects(); @@ -638,17 +737,13 @@ void wxApp::CleanUp() delete wxTheApp; wxTheApp = (wxApp*) NULL; - // GL: I'm annoyed ... I don't know where to put this and I don't want to - // create a module for that as it's part of the core. + wxClassInfo::CleanUpClasses(); + #if wxUSE_THREADS delete wxPendingEvents; delete wxPendingEventsLocker; #endif - delete[] wxBuffer; - - wxClassInfo::CleanUpClasses(); - // check for memory leaks #if (defined(__WXDEBUG__) && wxUSE_MEMORY_TRACING) || wxUSE_DEBUG_CONTEXT if (wxDebugContext::CountObjectsLeft(TRUE) > 0) @@ -669,19 +764,6 @@ void wxApp::CleanUp() #endif // wxUSE_LOG } -//----------------------------------------------------------------------------- -// Access to the root window global -//----------------------------------------------------------------------------- - -GtkWidget* wxGetRootWindow() -{ - if (gs_RootWindow == NULL) { - gs_RootWindow = gtk_window_new( GTK_WINDOW_TOPLEVEL ); - gtk_widget_realize( gs_RootWindow ); - } - return gs_RootWindow; -} - //----------------------------------------------------------------------------- // wxEntry //----------------------------------------------------------------------------- @@ -690,8 +772,8 @@ GtkWidget* wxGetRootWindow() int wxEntryStart( int& argc, char *argv[] ) { #if wxUSE_THREADS - /* GTK 1.2 up to version 1.2.3 has broken threads */ - if ((gtk_major_version == 1) && + // 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)) { @@ -768,7 +850,6 @@ void wxEntryCleanup() } - int wxEntry( int argc, char *argv[] ) { #if (defined(__WXDEBUG__) && wxUSE_MEMORY_TRACING) || wxUSE_DEBUG_CONTEXT @@ -812,9 +893,11 @@ int wxEntry( int argc, char *argv[] ) wxTheApp->argv = argv; #endif - wxString name(wxFileNameFromPath(argv[0])); - wxStripExtension( name ); - wxTheApp->SetAppName( name ); + if (wxTheApp->argc > 0) + { + wxFileName fname( wxTheApp->argv[0] ); + wxTheApp->SetAppName( fname.GetName() ); + } int retValue; retValue = wxEntryInitGui(); @@ -829,33 +912,24 @@ int wxEntry( int argc, char *argv[] ) if ( retValue == 0 ) { - /* delete pending toplevel windows (typically a single - dialog) so that, if there isn't any left, we don't - call OnRun() */ + // Delete pending toplevel windows wxTheApp->DeletePendingObjects(); - wxTheApp->m_initialized = wxTopLevelWindows.GetCount() != 0; + // When is the app not initialized ? + wxTheApp->m_initialized = TRUE; if (wxTheApp->Initialized()) { wxTheApp->OnRun(); wxWindow *topWindow = wxTheApp->GetTopWindow(); + + // Delete all pending windows if any + wxTheApp->DeletePendingObjects(); + + // Reset top window if (topWindow) - { - /* Forcibly delete the window. */ - if (topWindow->IsKindOf(CLASSINFO(wxFrame)) || - topWindow->IsKindOf(CLASSINFO(wxDialog)) ) - { - topWindow->Close( TRUE ); - wxTheApp->DeletePendingObjects(); - } - else - { - delete topWindow; - wxTheApp->SetTopWindow( (wxWindow*) NULL ); - } - } + wxTheApp->SetTopWindow( (wxWindow*) NULL ); retValue = wxTheApp->OnExit(); } @@ -866,54 +940,13 @@ int wxEntry( int argc, char *argv[] ) return retValue; } -#ifndef __WXUNIVERSAL__ - -// XPM hack: make the arrays const -#define static static const - -#include "wx/gtk/info.xpm" -#include "wx/gtk/error.xpm" -#include "wx/gtk/question.xpm" -#include "wx/gtk/warning.xpm" - -#undef static - -wxIcon wxApp::GetStdIcon(int which) const -{ - switch(which) - { - case wxICON_INFORMATION: - return wxIcon(info_xpm); - - case wxICON_QUESTION: - return wxIcon(question_xpm); - - case wxICON_EXCLAMATION: - return wxIcon(warning_xpm); - - default: - wxFAIL_MSG(wxT("requested non existent standard icon")); - // still fall through - - case wxICON_HAND: - return wxIcon(error_xpm); - } -} -#else -wxIcon wxApp::GetStdIcon(int which) const -{ - return wxTheme::Get()->GetRenderer()->GetStdIcon(which); -} -#endif // !__WXUNIVERSAL__ - - #ifdef __WXDEBUG__ -void wxApp::OnAssert(const wxChar *file, int line, const wxChar *msg) +void wxApp::OnAssert(const wxChar *file, int line, const wxChar* cond, const wxChar *msg) { m_isInAssert = TRUE; - wxAppBase::OnAssert(file, line, msg); + wxAppBase::OnAssert(file, line, cond, msg); m_isInAssert = FALSE; }