X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/9cc7a35d9c1a054a8f88dcf7b51347e95f4a2557..e66474166b164b9e11f9881e79d531bc5182ea31:/src/gtk1/app.cpp?ds=sidebyside diff --git a/src/gtk1/app.cpp b/src/gtk1/app.cpp index 5c08aad9d6..1dd8ad95af 100644 --- a/src/gtk1/app.cpp +++ b/src/gtk1/app.cpp @@ -28,13 +28,15 @@ #include "wx/module.h" #include "wx/image.h" +#if wxUSE_THREADS #include "wx/thread.h" +#endif #include "unistd.h" -#include -#include -#include +#include "glib.h" +#include "gdk/gdk.h" +#include "gtk/gtk.h" #include "wx/gtk/win_gtk.h" @@ -45,12 +47,12 @@ wxApp *wxTheApp = (wxApp *) NULL; wxAppInitializerFunction wxApp::m_appInitFn = (wxAppInitializerFunction) NULL; -extern wxList wxPendingDelete; #if wxUSE_THREADS extern wxList *wxPendingEvents; extern wxCriticalSection *wxPendingEventsLocker; #endif extern wxResourceCache *wxTheResourceCache; +extern bool g_isIdle; unsigned char g_palette[64*3] = { @@ -135,14 +137,17 @@ void wxExit() gtk_main_quit(); } -// forward decl +/* forward declaration */ gint wxapp_idle_callback( gpointer WXUNUSED(data) ); bool wxYield() { - // 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) + /* 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()) { } + +#if 0 for ( wxWindowList::Node *node = wxTopLevelWindows.GetFirst(); node; node = node->GetNext() ) @@ -150,17 +155,108 @@ bool wxYield() wxWindow *win = node->GetData(); win->OnInternalIdle(); } +#endif + + if (wxTheApp->m_idleTag) + { + /* We need to temporarily remove idle callbacks or the loop will + never finish. */ + gtk_idle_remove( wxTheApp->m_idleTag ); + wxTheApp->m_idleTag = 0; + + while (gtk_events_pending()) + gtk_main_iteration(); + + /* re-add idle handler */ + wxTheApp->m_idleTag = gtk_idle_add( wxapp_idle_callback, (gpointer) NULL ); + } + else + { + while (gtk_events_pending()) + gtk_main_iteration(); + } + + return TRUE; +} - // We need to temporarily remove idle callbacks or the loop will - // never finish. +gint wxapp_idle_callback( gpointer WXUNUSED(data) ) +{ + if (!wxTheApp) return TRUE; + +#if (GTK_MINOR_VERSION > 0) + /* when getting called from GDK's idle handler we + are no longer within GDK's grab on the GUI + thread so we must lock it here ourselves */ + GDK_THREADS_ENTER (); +#endif + + /* sent idle event to all who request them */ + while (wxTheApp->ProcessIdle()) { } + + /* we don't want any more idle events until the next event is + sent to wxGTK */ gtk_idle_remove( wxTheApp->m_idleTag ); + wxTheApp->m_idleTag = 0; + + /* 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 */ + g_isIdle = TRUE; + +#if (GTK_MINOR_VERSION > 0) + /* release lock again */ + GDK_THREADS_LEAVE (); +#endif + + return TRUE; +} - while (gtk_events_pending()) - gtk_main_iteration(); +void wxapp_install_idle_handler() +{ + wxASSERT_MSG( wxTheApp->m_idleTag == 0, _T("attempt to install idle handler twice") ); + + /* this routine gets called by all event handlers + indicating that the idle is over. */ wxTheApp->m_idleTag = gtk_idle_add( wxapp_idle_callback, (gpointer) NULL ); + + g_isIdle = FALSE; +} + +#if wxUSE_THREADS +static gint wxapp_wakeup_timerout_callback( gpointer WXUNUSED(data) ) +{ + gtk_timeout_remove( wxTheApp->m_wakeUpTimerTag ); + wxTheApp->m_wakeUpTimerTag = 0; + +#if (GTK_MINOR_VERSION > 0) + /* 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 (); +#endif + + /* unblock other threads wishing to do some GUI things */ + wxMutexGuiLeave(); + + /* wake up other threads */ + wxUsleep( 1 ); + + /* block other thread again */ + wxMutexGuiEnter(); + +#if (GTK_MINOR_VERSION > 0) + /* release lock again */ + GDK_THREADS_LEAVE (); +#endif + + wxTheApp->m_wakeUpTimerTag = gtk_timeout_add( 20, wxapp_wakeup_timerout_callback, (gpointer) NULL ); + return TRUE; } +#endif //----------------------------------------------------------------------------- // wxApp @@ -172,22 +268,6 @@ BEGIN_EVENT_TABLE(wxApp, wxEvtHandler) EVT_IDLE(wxApp::OnIdle) END_EVENT_TABLE() -gint wxapp_idle_callback( gpointer WXUNUSED(data) ) -{ - if (wxTheApp) - { - while (wxTheApp->ProcessIdle()) - { - } - } - - wxMutexGuiLeave(); - wxUsleep(10); - wxMutexGuiEnter(); - - return TRUE; -} - wxApp::wxApp() { wxTheApp = this; @@ -196,14 +276,22 @@ wxApp::wxApp() m_exitOnFrameDelete = TRUE; m_idleTag = gtk_idle_add( wxapp_idle_callback, (gpointer) NULL ); + +#if wxUSE_THREADS + m_wakeUpTimerTag = gtk_timeout_add( 20, wxapp_wakeup_timerout_callback, (gpointer) NULL ); +#endif m_colorCube = (unsigned char*) NULL; } wxApp::~wxApp() { - gtk_idle_remove( m_idleTag ); + if (m_idleTag) gtk_idle_remove( m_idleTag ); +#if wxUSE_THREADS + if (m_wakeUpTimerTag) gtk_timeout_remove( m_wakeUpTimerTag ); +#endif + if (m_colorCube) free(m_colorCube); } @@ -244,8 +332,8 @@ bool wxApp::OnInitGui() m_colorCube = (unsigned char*)malloc(32 * 32 * 32); - for (int r = 0; r < 32; r++) - { + for (int r = 0; r < 32; r++) + { for (int g = 0; g < 32; g++) { for (int b = 0; b < 32; b++) @@ -254,25 +342,40 @@ bool wxApp::OnInitGui() int gg = (g << 3) | (g >> 2); int bb = (b << 3) | (b >> 2); - GdkColor *colors = cmap->colors; - int max = 3 * (65536); int index = -1; - for (int i = 0; i < cmap->size; i++) + GdkColor *colors = cmap->colors; + if (colors) { - int rdiff = ((rr << 8) - colors[i].red); - int gdiff = ((gg << 8)- colors[i].green); - int bdiff = ((bb << 8)- colors[i].blue); - int sum = ABS (rdiff) + ABS (gdiff) + ABS (bdiff); - if (sum < max) { index = i; max = sum; } + int max = 3 * 65536; + + for (int i = 0; i < cmap->size; i++) + { + int rdiff = ((rr << 8) - colors[i].red); + int gdiff = ((gg << 8) - colors[i].green); + int bdiff = ((bb << 8) - colors[i].blue); + int sum = ABS (rdiff) + ABS (gdiff) + ABS (bdiff); + if (sum < max) + { + index = i; max = sum; + } + } } - + else + { + /* 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; + } + m_colorCube[ (r*1024) + (g*32) + b ] = index; } } } - return TRUE; } @@ -305,9 +408,11 @@ void wxApp::OnIdle( wxIdleEvent &event ) DeletePendingObjects(); /* flush the logged messages if any */ +#if wxUSE_LOG wxLog *log = wxLog::GetActiveTarget(); if (log != NULL && log->HasPendingMessages()) log->Flush(); +#endif // wxUSE_LOG /* Send OnIdle events to all windows */ bool needMore = SendIdleEvents(); @@ -378,7 +483,7 @@ bool wxApp::Initialized() bool wxApp::Pending() { - return gtk_events_pending(); + return (gtk_events_pending() > 0); } void wxApp::Dispatch() @@ -414,8 +519,8 @@ void wxApp::DeletePendingObjects() delete obj; - if (wxPendingDelete.Member(obj)) - delete node; + if (wxPendingDelete.Find(obj)) + delete node; node = wxPendingDelete.First(); } @@ -534,6 +639,7 @@ void wxApp::CleanUp() } #endif // Debug +#if wxUSE_LOG // do this as the very last thing because everything else can log messages wxLog::DontCreateOnDemand(); @@ -546,6 +652,7 @@ wxLog *wxApp::CreateLogTarget() { return new wxLogGui; } +#endif // wxUSE_LOG //----------------------------------------------------------------------------- // wxEntry @@ -555,8 +662,12 @@ int wxEntry( int argc, char *argv[] ) { gtk_set_locale(); + if (!wxOKlibc()) wxConvCurrent = &wxConvLocal; + gtk_init( &argc, &argv ); + wxSetDetectableAutoRepeat( TRUE ); + if (!wxApp::Initialize()) return -1; @@ -581,40 +692,53 @@ int wxEntry( int argc, char *argv[] ) wxStripExtension( name ); wxTheApp->SetAppName( name ); - if (!wxTheApp->OnInitGui()) - return 0; + int retValue = 0; + + if ( !wxTheApp->OnInitGui() ) + retValue = -1; // Here frames insert themselves automatically into wxTopLevelWindows by // getting created in OnInit(). - if (!wxTheApp->OnInit()) - return 0; - - wxTheApp->m_initialized = wxTopLevelWindows.GetCount() != 0; - - int retValue = 0; - - if (wxTheApp->Initialized()) - retValue = wxTheApp->OnRun(); + if ( retValue == 0 ) + { + if ( !wxTheApp->OnInit() ) + retValue = -1; + } - wxWindow *topWindow = wxTheApp->GetTopWindow(); - if (topWindow) + if ( retValue == 0 ) { - // 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 ); + /* delete pending toplevel windows (typically a single + dialog) so that, if there isn't any left, we don't + call OnRun() */ + wxTheApp->DeletePendingObjects(); + + wxTheApp->m_initialized = wxTopLevelWindows.GetCount() != 0; + + if (wxTheApp->Initialized()) + { + retValue = wxTheApp->OnRun(); + + wxWindow *topWindow = wxTheApp->GetTopWindow(); + 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->OnExit(); } } - wxTheApp->OnExit(); - +#if wxUSE_LOG // flush the logged messages if any wxLog *log = wxLog::GetActiveTarget(); if (log != NULL && log->HasPendingMessages()) @@ -626,6 +750,7 @@ int wxEntry( int argc, char *argv[] ) wxLog *oldlog = wxLog::SetActiveTarget(new wxLogStderr); if ( oldlog ) delete oldlog; +#endif // wxUSE_LOG wxApp::CleanUp();