X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/5c3e299e08be35d0f88e6e86c8cee97f07ced3ca..238d33aa53e54119ec03e325327874fdcf171607:/src/gtk/app.cpp diff --git a/src/gtk/app.cpp b/src/gtk/app.cpp index 7d15b6e1b3..3f05639ce8 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" @@ -28,17 +32,27 @@ #include "wx/module.h" #include "wx/image.h" +#ifdef __WXUNIVERSAL__ + #include "wx/univ/theme.h" + #include "wx/univ/renderer.h" +#endif + #if wxUSE_THREADS #include "wx/thread.h" #endif #include +#if defined(__DARWIN__) +// FIXME: select must be used instead of poll (GD) +#elif defined(__VMS) +# include +#else +# include +#endif +#include "wx/gtk/win_gtk.h" -#include -#include #include -#include "wx/gtk/win_gtk.h" //----------------------------------------------------------------------------- // global data @@ -47,25 +61,18 @@ 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 //----------------------------------------------------------------------------- -/* forward declaration */ -gint wxapp_idle_callback( gpointer WXUNUSED(data) ); -gint wxapp_pending_callback( gpointer WXUNUSED(data) ); -void wxapp_install_idle_handler(); +extern bool g_isIdle; -#if wxUSE_THREADS -gint wxapp_wakeup_timerout_callback( gpointer WXUNUSED(data) ); -#endif +void wxapp_install_idle_handler(); //----------------------------------------------------------------------------- // wxExit @@ -80,10 +87,23 @@ void wxExit() // wxYield //----------------------------------------------------------------------------- -static bool gs_inYield = FALSE; +// not static because used by textctrl.cpp +// +// MT-FIXME +bool wxIsInsideYield = FALSE; -bool wxYield() +bool wxApp::Yield(bool onlyIfNeeded) { + if ( wxIsInsideYield ) + { + if ( !onlyIfNeeded ) + { + wxFAIL_MSG( wxT("wxYield called recursively" ) ); + } + + return FALSE; + } + #if wxUSE_THREADS if ( !wxThread::IsMain() ) { @@ -92,55 +112,40 @@ bool wxYield() } #endif // wxUSE_THREADS -#ifdef __WXDEBUG__ - if (gs_inYield) - wxFAIL_MSG( wxT("wxYield called recursively" ) ); -#endif - - gs_inYield = TRUE; + wxIsInsideYield = TRUE; if (!g_isIdle) { // We need to remove idle callbacks or the loop will // never finish. - gtk_idle_remove( wxTheApp->m_idleTag ); - wxTheApp->m_idleTag = 0; + gtk_idle_remove( m_idleTag ); + m_idleTag = 0; g_isIdle = TRUE; } - while (gtk_events_pending()) - gtk_main_iteration(); - // disable log flushing from here because a call to wxYield() shouldn't // normally result in message boxes popping up &c wxLog::Suspend(); - /* 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 (wxTheApp->ProcessIdle()) { } + 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). 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(); - gs_inYield = FALSE; + wxIsInsideYield = FALSE; return TRUE; } -//----------------------------------------------------------------------------- -// wxYieldIfNeeded -// Like wxYield, but fails silently if the yield is recursive. -//----------------------------------------------------------------------------- - -bool wxYieldIfNeeded() -{ - if (gs_inYield) - return FALSE; - - return wxYield(); -} - //----------------------------------------------------------------------------- // wxWakeUpIdle //----------------------------------------------------------------------------- @@ -165,21 +170,25 @@ void wxWakeUpIdle() // local functions //----------------------------------------------------------------------------- -gint wxapp_pending_callback( gpointer WXUNUSED(data) ) +// the callback functions must be extern "C" to comply with GTK+ declarations +extern "C" +{ + +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 @@ -192,111 +201,106 @@ 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; + if (!wxTheApp) + return TRUE; + +#ifdef __WXDEBUG__ + // don't generate the idle events while the assert modal dialog is shown, + // this completely confuses the apps which don't expect to be reentered + // from some safely-looking functions + if ( wxTheApp->IsInAssert() ) + { + 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 - 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; } -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 ); -} - #if wxUSE_THREADS -static int g_threadUninstallLevel = 0; - -void wxapp_install_thread_wakeup() +static gint wxapp_poll_func( GPollFD *ufds, guint nfds, gint timeout ) { - g_threadUninstallLevel++; - - if (g_threadUninstallLevel != 1) return; - - if (wxTheApp->m_wakeUpTimerTag) return; + gint res; + gdk_threads_enter(); - wxTheApp->m_wakeUpTimerTag = gtk_timeout_add( 50, wxapp_wakeup_timerout_callback, (gpointer) NULL ); -} + wxMutexGuiLeave(); + g_mainThreadLocked = TRUE; -void wxapp_uninstall_thread_wakeup() -{ - g_threadUninstallLevel--; +#ifdef __DARWIN__ + // FIXME: poll is not available under Darwin/Mac OS X and this needs + // to be implemented using select instead (GD) + // what about other BSD derived systems? + res = -1; +#else + res = poll( (struct pollfd*) ufds, nfds, timeout ); +#endif - if (g_threadUninstallLevel != 0) return; + wxMutexGuiEnter(); + g_mainThreadLocked = FALSE; - if (!wxTheApp->m_wakeUpTimerTag) return; + gdk_threads_leave(); - gtk_timeout_remove( wxTheApp->m_wakeUpTimerTag ); - wxTheApp->m_wakeUpTimerTag = 0; + return res; } -gint wxapp_wakeup_timerout_callback( gpointer WXUNUSED(data) ) -{ - // 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(); - - wxapp_uninstall_thread_wakeup(); +#endif // wxUSE_THREADS - // unblock other threads wishing to do some GUI things - wxMutexGuiLeave(); +} // extern "C" - g_mainThreadLocked = TRUE; - - // wake up other threads - wxUsleep( 1 ); +void wxapp_install_idle_handler() +{ + wxASSERT_MSG( wxTheApp->m_idleTag == 0, wxT("attempt to install idle handler twice") ); - // block other thread again - wxMutexGuiEnter(); + g_isIdle = FALSE; - g_mainThreadLocked = FALSE; + if (g_pendingTag == 0) + g_pendingTag = gtk_idle_add_priority( 900, wxapp_pending_callback, (gpointer) NULL ); - wxapp_install_thread_wakeup(); + // 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 ); +} - // release lock again - gdk_threads_leave(); +//----------------------------------------------------------------------------- +// Access to the root window global +//----------------------------------------------------------------------------- - return TRUE; +GtkWidget* wxGetRootWindow() +{ + if (gs_RootWindow == NULL) + { + gs_RootWindow = gtk_window_new( GTK_WINDOW_TOPLEVEL ); + gtk_widget_realize( gs_RootWindow ); + } + return gs_RootWindow; } -#endif // wxUSE_THREADS - //----------------------------------------------------------------------------- // wxApp //----------------------------------------------------------------------------- @@ -309,45 +313,62 @@ END_EVENT_TABLE() wxApp::wxApp() { - wxTheApp = this; - - m_topWindow = (wxWindow *) NULL; - m_exitOnFrameDelete = TRUE; + m_initialized = FALSE; +#ifdef __WXDEBUG__ + m_isInAssert = FALSE; +#endif // __WXDEBUG__ m_idleTag = 0; 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; - - m_useBestVisual = FALSE; + + // this is NULL for a "regular" wxApp, but is set (and freed) by a wxGLApp + m_glVisualInfo = (void *) NULL; } wxApp::~wxApp() { if (m_idleTag) gtk_idle_remove( m_idleTag ); -#if wxUSE_THREADS - wxapp_uninstall_thread_wakeup(); -#endif - if (m_colorCube) free(m_colorCube); } bool wxApp::OnInitGui() { + if ( !wxAppBase::OnInitGui() ) + return FALSE; + GdkVisual *visual = gdk_visual_get_system(); - /* 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? */ + // 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) + { +#ifdef __WXGTK20__ + // seems gtk_widget_set_default_visual no longer exists? + GdkVisual* vis = gtk_widget_get_default_visual(); +#else + GdkVisual* vis = gdkx_visual_get( + ((XVisualInfo *) m_glVisualInfo) ->visualid ); + gtk_widget_set_default_visual( vis ); +#endif + + GdkColormap *colormap = gdk_colormap_new( vis, FALSE ); + gtk_widget_set_default_colormap( colormap ); + + 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. - if ((gdk_visual_get_best() != gdk_visual_get_system()) && - (m_useBestVisual)) + else + if ((gdk_visual_get_best() != gdk_visual_get_system()) && (m_useBestVisual)) { #ifdef __WXGTK20__ /* seems gtk_widget_set_default_visual no longer exists? */ @@ -363,10 +384,10 @@ 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(); @@ -403,16 +424,11 @@ 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; } @@ -422,6 +438,20 @@ 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() { wxIdleEvent event; @@ -435,20 +465,20 @@ 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) @@ -467,12 +497,37 @@ bool wxApp::SendIdleEvents() wxWindow* win = node->GetData(); if (SendIdleEvents(win)) needMore = TRUE; + node = node->GetNext(); } + node = wxTopLevelWindows.GetFirst(); + while (node) + { + wxWindow* win = node->GetData(); + CallInternalIdle( win ); + + 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; @@ -482,8 +537,6 @@ bool wxApp::SendIdleEvents( wxWindow* win ) win->GetEventHandler()->ProcessEvent(event); - win->OnInternalIdle(); - if (event.MoreRequested()) needMore = TRUE; @@ -496,7 +549,8 @@ bool wxApp::SendIdleEvents( wxWindow* win ) node = node->Next(); } - return needMore ; + + return needMore; } int wxApp::MainLoop() @@ -544,12 +598,8 @@ void wxApp::DeletePendingObjects() bool wxApp::Initialize() { - wxBuffer = new wxChar[BUFSIZ + 512]; - wxClassInfo::InitializeClasses(); - wxSystemSettings::Init(); - #if wxUSE_INTL wxFont::SetDefaultEncoding(wxLocale::GetSystemEncoding()); #endif @@ -585,9 +635,7 @@ void wxApp::CleanUp() wxCleanUpResourceSystem(); #endif - if (wxTheColourDatabase) - delete wxTheColourDatabase; - + delete wxTheColourDatabase; wxTheColourDatabase = (wxColourDatabase*) NULL; wxDeleteStockObjects(); @@ -597,19 +645,13 @@ 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 - wxSystemSettings::Done(); - - delete[] wxBuffer; - - wxClassInfo::CleanUpClasses(); - // check for memory leaks #if (defined(__WXDEBUG__) && wxUSE_MEMORY_TRACING) || wxUSE_DEBUG_CONTEXT if (wxDebugContext::CountObjectsLeft(TRUE) > 0) @@ -630,29 +672,16 @@ 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 //----------------------------------------------------------------------------- - -int wxEntryStart( int argc, char *argv[] ) +// NB: argc and argv may be changed here, pass by reference! +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)) { @@ -729,7 +758,6 @@ void wxEntryCleanup() } - int wxEntry( int argc, char *argv[] ) { #if (defined(__WXDEBUG__) && wxUSE_MEMORY_TRACING) || wxUSE_DEBUG_CONTEXT @@ -790,33 +818,24 @@ 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(); } @@ -827,30 +846,16 @@ int wxEntry( int argc, char *argv[] ) return retValue; } -#include "wx/gtk/info.xpm" -#include "wx/gtk/error.xpm" -#include "wx/gtk/question.xpm" -#include "wx/gtk/warning.xpm" +#ifdef __WXDEBUG__ -wxIcon -wxApp::GetStdIcon(int which) const +void wxApp::OnAssert(const wxChar *file, int line, const wxChar *msg) { - switch(which) - { - case wxICON_INFORMATION: - return wxIcon(info_xpm); + m_isInAssert = TRUE; - case wxICON_QUESTION: - return wxIcon(question_xpm); + wxAppBase::OnAssert(file, line, msg); - case wxICON_EXCLAMATION: - return wxIcon(warning_xpm); + m_isInAssert = FALSE; +} - default: - wxFAIL_MSG(wxT("requested non existent standard icon")); - // still fall through +#endif // __WXDEBUG__ - case wxICON_HAND: - return wxIcon(error_xpm); - } -}