X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/0b30bb0bda00908650d46b326ba04237f0d4121f..9a6384ca1e6e9a84f755dbca28875a5e89267766:/src/gtk/app.cpp?ds=sidebyside diff --git a/src/gtk/app.cpp b/src/gtk/app.cpp index b598da0307..8f26e090f7 100644 --- a/src/gtk/app.cpp +++ b/src/gtk/app.cpp @@ -1,5 +1,5 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: app.cpp +// Name: src/gtk/app.cpp // Purpose: // Author: Robert Roebling // Id: $Id$ @@ -7,39 +7,44 @@ // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// -#ifdef __GNUG__ - #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" + +#ifndef WX_PRECOMP + #include "wx/intl.h" + #include "wx/log.h" + #include "wx/utils.h" + #include "wx/dialog.h" + #include "wx/settings.h" + #include "wx/msgdlg.h" +#endif + #include "wx/gdicmn.h" -#include "wx/utils.h" -#include "wx/intl.h" -#include "wx/log.h" #include "wx/memory.h" #include "wx/font.h" -#include "wx/settings.h" -#include "wx/dialog.h" -#include "wx/msgdlg.h" #include "wx/file.h" #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" #include "wx/univ/renderer.h" #endif -#if wxUSE_THREADS - #include "wx/thread.h" -#endif - #include #ifdef HAVE_POLL @@ -67,16 +72,26 @@ #include #endif // HAVE_POLL/!HAVE_POLL +#include "wx/unix/private.h" #include "wx/gtk/win_gtk.h" +#include "wx/gtk/private.h" -#include +#include +//----------------------------------------------------------------------------- +// link GnomeVFS +//----------------------------------------------------------------------------- + +#if wxUSE_LIBGNOMEVFS +#include "wx/html/forcelnk.h" +FORCE_LINK(gnome_vfs) +#endif //----------------------------------------------------------------------------- // global data //----------------------------------------------------------------------------- -bool g_mainThreadLocked = FALSE; +bool g_mainThreadLocked = false; gint g_pendingTag = 0; static GtkWidget *gs_RootWindow = (GtkWidget*) NULL; @@ -85,10 +100,12 @@ static GtkWidget *gs_RootWindow = (GtkWidget*) NULL; // idle system //----------------------------------------------------------------------------- -extern bool g_isIdle; - void wxapp_install_idle_handler(); +#if wxUSE_THREADS +static wxMutex gs_idleTagsMutex; +#endif + //----------------------------------------------------------------------------- // wxYield //----------------------------------------------------------------------------- @@ -96,7 +113,7 @@ void wxapp_install_idle_handler(); // not static because used by textctrl.cpp // // MT-FIXME -bool wxIsInsideYield = FALSE; +bool wxIsInsideYield = false; bool wxApp::Yield(bool onlyIfNeeded) { @@ -107,31 +124,28 @@ bool wxApp::Yield(bool onlyIfNeeded) wxFAIL_MSG( wxT("wxYield called recursively" ) ); } - return FALSE; + return false; } #if wxUSE_THREADS if ( !wxThread::IsMain() ) { // can't call gtk_main_iteration() from other threads like this - return TRUE; + return true; } #endif // wxUSE_THREADS - wxIsInsideYield = TRUE; + 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(); +#if wxUSE_LOG // disable log flushing from here because a call to wxYield() shouldn't // normally result in message boxes popping up &c wxLog::Suspend(); +#endif while (gtk_events_pending()) gtk_main_iteration(); @@ -144,32 +158,26 @@ bool wxApp::Yield(bool onlyIfNeeded) // return value of Processidle(). ProcessIdle(); +#if wxUSE_LOG // let the logs be flashed again wxLog::Resume(); +#endif - wxIsInsideYield = FALSE; + wxIsInsideYield = false; - return TRUE; + return true; } //----------------------------------------------------------------------------- // wxWakeUpIdle //----------------------------------------------------------------------------- +// RR/KH: No wxMutexGui calls are needed here according to the GTK faq, +// http://www.gtk.org/faq/#AEN500 - this caused problems for wxPostEvent. + void wxApp::WakeUpIdle() { -#if wxUSE_THREADS - if (!wxThread::IsMain()) - wxMutexGuiEnter(); -#endif - - if (g_isIdle) - wxapp_install_idle_handler(); - -#if wxUSE_THREADS - if (!wxThread::IsMain()) - wxMutexGuiLeave(); -#endif + wxapp_install_idle_handler(); } //----------------------------------------------------------------------------- @@ -192,7 +200,12 @@ 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 @@ -222,11 +235,7 @@ static gint wxapp_idle_callback( gpointer WXUNUSED(data) ) if (wxTopLevelWindows.GetCount() > 0) { wxWindow* win = (wxWindow*) wxTopLevelWindows.GetLast()->GetData(); -#ifdef __WXGTK20__ if (win->IsKindOf(CLASSINFO(wxMessageDialog))) -#else - if (win->IsKindOf(CLASSINFO(wxGenericMessageDialog))) -#endif win->OnInternalIdle(); } return TRUE; @@ -240,20 +249,26 @@ 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; + } + + bool moreIdles; // 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)) + while ( (moreIdles = 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). - return FALSE; + // Return FALSE if no more idle events are to be sent + return moreIdles; } #if wxUSE_THREADS @@ -279,23 +294,23 @@ int wxPoll(wxPollFd *ufds, unsigned int nfds, int timeout) fd_set readfds; fd_set writefds; fd_set exceptfds; - FD_ZERO(&readfds); - FD_ZERO(&writefds); - FD_ZERO(&exceptfds); + wxFD_ZERO(&readfds); + wxFD_ZERO(&writefds); + wxFD_ZERO(&exceptfds); unsigned int i; for ( i = 0; i < nfds; i++ ) { - wxASSERT_MSG( ufds[i].fd < FD_SETSIZE, _T("fd out of range") ); + wxASSERT_MSG( ufds[i].fd < wxFD_SETSIZE, _T("fd out of range") ); if ( ufds[i].events & G_IO_IN ) - FD_SET(ufds[i].fd, &readfds); + wxFD_SET(ufds[i].fd, &readfds); if ( ufds[i].events & G_IO_PRI ) - FD_SET(ufds[i].fd, &exceptfds); + wxFD_SET(ufds[i].fd, &exceptfds); if ( ufds[i].events & G_IO_OUT ) - FD_SET(ufds[i].fd, &writefds); + wxFD_SET(ufds[i].fd, &writefds); if ( ufds[i].fd > fdMax ) fdMax = ufds[i].fd; @@ -309,13 +324,13 @@ int wxPoll(wxPollFd *ufds, unsigned int nfds, int timeout) { ufds[i].revents = 0; - if ( FD_ISSET(ufds[i].fd, &readfds ) ) + if ( wxFD_ISSET(ufds[i].fd, &readfds ) ) ufds[i].revents |= G_IO_IN; - if ( FD_ISSET(ufds[i].fd, &exceptfds ) ) + if ( wxFD_ISSET(ufds[i].fd, &exceptfds ) ) ufds[i].revents |= G_IO_PRI; - if ( FD_ISSET(ufds[i].fd, &writefds ) ) + if ( wxFD_ISSET(ufds[i].fd, &writefds ) ) ufds[i].revents |= G_IO_OUT; } @@ -329,14 +344,14 @@ static gint wxapp_poll_func( GPollFD *ufds, guint nfds, gint timeout ) gdk_threads_enter(); wxMutexGuiLeave(); - g_mainThreadLocked = TRUE; + 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 ); wxMutexGuiEnter(); - g_mainThreadLocked = FALSE; + g_mainThreadLocked = false; gdk_threads_leave(); @@ -349,6 +364,15 @@ 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? @@ -356,17 +380,17 @@ void wxapp_install_idle_handler() wxASSERT_MSG( wxTheApp->m_idleTag == 0, wxT("attempt to install idle handler twice") ); - g_isIdle = FALSE; + g_isIdle = false; if (g_pendingTag == 0) - g_pendingTag = gtk_idle_add_priority( 900, wxapp_pending_callback, (gpointer) NULL ); + g_pendingTag = g_idle_add_full( 900, wxapp_pending_callback, NULL, 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 ); + wxTheApp->m_idleTag = g_idle_add_full( 1000, wxapp_idle_callback, NULL, NULL ); } //----------------------------------------------------------------------------- @@ -390,40 +414,43 @@ 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; + m_isInAssert = false; #endif // __WXDEBUG__ m_idleTag = 0; + g_isIdle = true; wxapp_install_idle_handler(); #if wxUSE_THREADS - g_main_set_poll_func( wxapp_poll_func ); + g_main_context_set_poll_func( NULL, 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; + m_glFBCInfo = (void *) NULL; } wxApp::~wxApp() { - if (m_idleTag) gtk_idle_remove( m_idleTag ); + if (m_idleTag) + g_source_remove( m_idleTag ); - if (m_colorCube) free(m_colorCube); + if (m_colorCube) + free(m_colorCube); } bool wxApp::OnInitGui() { if ( !wxAppBase::OnInitGui() ) - return FALSE; + return false; GdkVisual *visual = gdk_visual_get_system(); @@ -431,14 +458,8 @@ bool wxApp::OnInitGui() // 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 ); @@ -452,13 +473,8 @@ bool wxApp::OnInitGui() else if ((gdk_visual_get_best() != gdk_visual_get_system()) && (m_useBestVisual)) { -#ifdef __WXGTK20__ /* seems gtk_widget_set_default_visual no longer exists? */ GdkVisual* vis = gtk_widget_get_default_visual(); -#else - GdkVisual* vis = gdk_visual_get_best(); - gtk_widget_set_default_visual( vis ); -#endif GdkColormap *colormap = gdk_colormap_new( vis, FALSE ); gtk_widget_set_default_colormap( colormap ); @@ -467,7 +483,7 @@ bool wxApp::OnInitGui() } // Nothing to do for 15, 16, 24, 32 bit displays - if (visual->depth > 8) return TRUE; + if (visual->depth > 8) return true; // initialize color cube for 8-bit color reduction dithering @@ -517,7 +533,7 @@ bool wxApp::OnInitGui() } } - return TRUE; + return true; } GdkVisual *wxApp::GetGdkVisual() @@ -527,184 +543,60 @@ GdkVisual *wxApp::GetGdkVisual() if (m_glVisualInfo) visual = gdkx_visual_get( ((XVisualInfo *) m_glVisualInfo)->visualid ); else - visual = gdk_window_get_visual( wxGetRootWindow()->window ); + visual = gdk_drawable_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 ); - - wxUpdateUIEvent::ResetUpdateTime(); - - 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" ); - } - else - { + if (!g_thread_supported()) g_thread_init(NULL); - } #endif // wxUSE_THREADS gtk_set_locale(); // We should have the wxUSE_WCHAR_T test on the _outside_ #if wxUSE_WCHAR_T - #if defined(__WXGTK20__) - // gtk+ 2.0 supports Unicode through UTF-8 strings - wxConvCurrent = &wxConvUTF8; - #else // GTK 1.x - if (!wxOKlibc()) - wxConvCurrent = &wxConvLocal; - #endif + // gtk+ 2.0 supports Unicode through UTF-8 strings + wxConvCurrent = &wxConvUTF8; #else // !wxUSE_WCHAR_T if (!wxOKlibc()) wxConvCurrent = (wxMBConv*) NULL; #endif // wxUSE_WCHAR_T/!wxUSE_WCHAR_T + // decide which conversion to use for the file names + + // (1) this variable exists for the sole purpose of specifying the encoding + // of the filenames for GTK+ programs, so use it if it is set + wxString encName(wxGetenv(_T("G_FILENAME_ENCODING"))); + encName = encName.BeforeFirst(_T(',')); + if (encName == _T("@locale")) + encName.clear(); + encName.MakeUpper(); +#if wxUSE_INTL + if (encName.empty()) + { + // (2) if a non default locale is set, assume that the user wants his + // filenames in this locale too + encName = wxLocale::GetSystemEncodingName().Upper(); + // (3) finally use UTF-8 by default + if (encName.empty() || encName == _T("US-ASCII")) + encName = _T("UTF-8"); + wxSetEnv(_T("G_FILENAME_ENCODING"), encName); + } +#else + if (encName.empty()) + encName = _T("UTF-8"); +#endif // wxUSE_INTL + static wxConvBrokenFileNames fileconv(encName); + wxConvFileName = &fileconv; + #if wxUSE_UNICODE // gtk_init() wants UTF-8, not wchar_t, so convert int i; @@ -717,7 +609,13 @@ 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 ) { @@ -744,9 +642,14 @@ 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(); @@ -757,14 +660,12 @@ bool wxApp::Initialize(int& argc, wxChar **argv) return false; } - wxSetDetectableAutoRepeat( TRUE ); + wxSetDetectableAutoRepeat( true ); #if wxUSE_INTL wxFont::SetDefaultEncoding(wxLocale::GetSystemEncoding()); #endif - wxGetRootWindow(); - return true; } @@ -779,12 +680,24 @@ void wxApp::CleanUp() void wxApp::OnAssert(const wxChar *file, int line, const wxChar* cond, const wxChar *msg) { - m_isInAssert = TRUE; + m_isInAssert = true; wxAppBase::OnAssert(file, line, cond, msg); - m_isInAssert = FALSE; + m_isInAssert = false; } #endif // __WXDEBUG__ +void wxApp::RemoveIdleTag() +{ +#if wxUSE_THREADS + wxMutexLocker lock(gs_idleTagsMutex); +#endif + if (!g_isIdle) + { + g_source_remove( wxTheApp->m_idleTag ); + wxTheApp->m_idleTag = 0; + g_isIdle = true; + } +}