/////////////////////////////////////////////////////////////////////////////
-// Name: common/appcmn.cpp
+// Name: src/common/appcmn.cpp
// Purpose: wxAppConsole and wxAppBase methods common to all platforms
// Author: Vadim Zeitlin
// Modified by:
// headers
// ---------------------------------------------------------------------------
-#ifdef __GNUG__
- #pragma implementation "appbase.h"
-#endif
-
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#ifndef WX_PRECOMP
#include "wx/app.h"
- #include "wx/intl.h"
- #include "wx/list.h"
+ #include "wx/window.h"
+ #include "wx/bitmap.h"
#include "wx/log.h"
#include "wx/msgdlg.h"
+ #include "wx/confbase.h"
+ #include "wx/utils.h"
#endif
#include "wx/apptrait.h"
+#include "wx/cmdline.h"
+#include "wx/evtloop.h"
+#include "wx/msgout.h"
+#include "wx/thread.h"
+#include "wx/vidmode.h"
+#include "wx/ptr_scpd.h"
+
+#ifdef __WXDEBUG__
+ #if wxUSE_STACKWALKER
+ #include "wx/stackwalk.h"
+ #endif // wxUSE_STACKWALKER
+#endif // __WXDEBUG__
+
+#if defined(__WXMSW__)
+ #include "wx/msw/private.h" // includes windows.h for LOGFONT
+#endif
+
#if wxUSE_FONTMAP
#include "wx/fontmap.h"
#endif // wxUSE_FONTMAP
-#include "wx/msgout.h"
-#include "wx/thread.h"
-#include "wx/utils.h"
+
+// DLL options compatibility check:
+#include "wx/build.h"
+WX_CHECK_BUILD_OPTIONS("wxCore")
+
+WXDLLIMPEXP_DATA_CORE(wxList) wxPendingDelete;
+
+// ----------------------------------------------------------------------------
+// wxEventLoopPtr
+// ----------------------------------------------------------------------------
+
+// this defines wxEventLoopPtr
+wxDEFINE_TIED_SCOPED_PTR_TYPE(wxEventLoop)
// ============================================================================
// wxAppBase implementation
wxAppBase::wxAppBase()
{
m_topWindow = (wxWindow *)NULL;
- m_useBestVisual = FALSE;
- m_isActive = TRUE;
+
+ m_useBestVisual = false;
+ m_forceTrueColour = false;
+
+ m_isActive = true;
+
+ m_mainLoop = NULL;
// We don't want to exit the app if the user code shows a dialog from its
// OnInit() -- but this is what would happen if we set m_exitOnFrameDelete
// OTOH, if we set it to No initially we'll have to overwrite it with Yes
// when we enter our OnRun() because we do want the default behaviour from
// then on. But this would be a problem if the user code calls
- // SetExitOnFrameDelete(FALSE) from OnInit().
+ // SetExitOnFrameDelete(false) from OnInit().
//
// So we use the special "Later" value which is such that
- // GetExitOnFrameDelete() returns FALSE for it but which we know we can
+ // GetExitOnFrameDelete() returns false for it but which we know we can
// safely (i.e. without losing the effect of the users SetExitOnFrameDelete
// call) overwrite in OnRun()
m_exitOnFrameDelete = Later;
}
-bool wxAppBase::Initialize(int& argc, wxChar **argv)
+bool wxAppBase::Initialize(int& argcOrig, wxChar **argvOrig)
{
- if ( !wxAppConsole::Initialize(argc, argv) )
+ if ( !wxAppConsole::Initialize(argcOrig, argvOrig) )
return false;
#if wxUSE_THREADS
wxPendingEventsLocker = new wxCriticalSection;
#endif
- wxTheColourDatabase = new wxColourDatabase(wxKEY_STRING);
- wxTheColourDatabase->Initialize();
-
wxInitializeStockLists();
- wxInitializeStockObjects();
wxBitmap::InitStandardHandlers();
void wxAppBase::CleanUp()
{
- // one last chance for pending objects to be cleaned up
+ // clean up all the pending objects
DeletePendingObjects();
+ // and any remaining TLWs (they remove themselves from wxTopLevelWindows
+ // when destroyed, so iterate until none are left)
+ while ( !wxTopLevelWindows.empty() )
+ {
+ // do not use Destroy() here as it only puts the TLW in pending list
+ // but we want to delete them now
+ delete wxTopLevelWindows.GetFirst()->GetData();
+ }
+
+ // undo everything we did in Initialize() above
wxBitmap::CleanUpHandlers();
- wxDeleteStockObjects();
+ wxStockGDI::DeleteAll();
wxDeleteStockLists();
delete wxTheColourDatabase;
wxTheColourDatabase = NULL;
-#if wxUSE_THREADS
delete wxPendingEvents;
wxPendingEvents = NULL;
+#if wxUSE_THREADS
delete wxPendingEventsLocker;
wxPendingEventsLocker = NULL;
-#if wxUSE_VALIDATORS
- // If we don't do the following, we get an apparent memory leak.
- ((wxEvtHandler&) wxDefaultValidator).ClearEventLocker();
-#endif // wxUSE_VALIDATORS
+ #if wxUSE_VALIDATORS
+ // If we don't do the following, we get an apparent memory leak.
+ ((wxEvtHandler&) wxDefaultValidator).ClearEventLocker();
+ #endif // wxUSE_VALIDATORS
#endif // wxUSE_THREADS
}
+// ----------------------------------------------------------------------------
+// various accessors
+// ----------------------------------------------------------------------------
+
+wxWindow* wxAppBase::GetTopWindow() const
+{
+ wxWindow* window = m_topWindow;
+ if (window == NULL && wxTopLevelWindows.GetCount() > 0)
+ window = wxTopLevelWindows.GetFirst()->GetData();
+ return window;
+}
+
+wxVideoMode wxAppBase::GetDisplayMode() const
+{
+ return wxVideoMode();
+}
+
+wxLayoutDirection wxAppBase::GetLayoutDirection() const
+{
+#if wxUSE_INTL
+ const wxLocale *const locale = wxGetLocale();
+ if ( locale )
+ {
+ const wxLanguageInfo *const
+ info = wxLocale::GetLanguageInfo(locale->GetLanguage());
+
+ if ( info )
+ return info->LayoutDirection;
+ }
+#endif // wxUSE_INTL
+
+ // we don't know
+ return wxLayout_Default;
+}
+
+#if wxUSE_CMDLINE_PARSER
+
+// ----------------------------------------------------------------------------
+// GUI-specific command line options handling
+// ----------------------------------------------------------------------------
+
+#define OPTION_THEME _T("theme")
+#define OPTION_MODE _T("mode")
+
+void wxAppBase::OnInitCmdLine(wxCmdLineParser& parser)
+{
+ // first add the standard non GUI options
+ wxAppConsole::OnInitCmdLine(parser);
+
+ // the standard command line options
+ static const wxCmdLineEntryDesc cmdLineGUIDesc[] =
+ {
+#ifdef __WXUNIVERSAL__
+ {
+ wxCMD_LINE_OPTION,
+ wxEmptyString,
+ OPTION_THEME,
+ gettext_noop("specify the theme to use"),
+ wxCMD_LINE_VAL_STRING,
+ 0x0
+ },
+#endif // __WXUNIVERSAL__
+
+#if defined(__WXMGL__)
+ // VS: this is not specific to wxMGL, all fullscreen (framebuffer) ports
+ // should provide this option. That's why it is in common/appcmn.cpp
+ // and not mgl/app.cpp
+ {
+ wxCMD_LINE_OPTION,
+ wxEmptyString,
+ OPTION_MODE,
+ gettext_noop("specify display mode to use (e.g. 640x480-16)"),
+ wxCMD_LINE_VAL_STRING,
+ 0x0
+ },
+#endif // __WXMGL__
+
+ // terminator
+ {
+ wxCMD_LINE_NONE,
+ wxEmptyString,
+ wxEmptyString,
+ wxEmptyString,
+ wxCMD_LINE_VAL_NONE,
+ 0x0
+ }
+ };
+
+ parser.SetDesc(cmdLineGUIDesc);
+}
+
+bool wxAppBase::OnCmdLineParsed(wxCmdLineParser& parser)
+{
+#ifdef __WXUNIVERSAL__
+ wxString themeName;
+ if ( parser.Found(OPTION_THEME, &themeName) )
+ {
+ wxTheme *theme = wxTheme::Create(themeName);
+ if ( !theme )
+ {
+ wxLogError(_("Unsupported theme '%s'."), themeName.c_str());
+ return false;
+ }
+
+ // Delete the defaultly created theme and set the new theme.
+ delete wxTheme::Get();
+ wxTheme::Set(theme);
+ }
+#endif // __WXUNIVERSAL__
+
+#if defined(__WXMGL__)
+ wxString modeDesc;
+ if ( parser.Found(OPTION_MODE, &modeDesc) )
+ {
+ unsigned w, h, bpp;
+ if ( wxSscanf(modeDesc.c_str(), _T("%ux%u-%u"), &w, &h, &bpp) != 3 )
+ {
+ wxLogError(_("Invalid display mode specification '%s'."), modeDesc.c_str());
+ return false;
+ }
+
+ if ( !SetDisplayMode(wxVideoMode(w, h, bpp)) )
+ return false;
+ }
+#endif // __WXMGL__
+
+ return wxAppConsole::OnCmdLineParsed(parser);
+}
+
+#endif // wxUSE_CMDLINE_PARSER
+
+// ----------------------------------------------------------------------------
+// main event loop implementation
+// ----------------------------------------------------------------------------
+
+int wxAppBase::MainLoop()
+{
+ wxEventLoopTiedPtr mainLoop(&m_mainLoop, new wxEventLoop);
+
+ return m_mainLoop->Run();
+}
+
+void wxAppBase::ExitMainLoop()
+{
+ // we should exit from the main event loop, not just any currently active
+ // (e.g. modal dialog) event loop
+ if ( m_mainLoop && m_mainLoop->IsRunning() )
+ {
+ m_mainLoop->Exit(0);
+ }
+}
+
+bool wxAppBase::Pending()
+{
+ // use the currently active message loop here, not m_mainLoop, because if
+ // we're showing a modal dialog (with its own event loop) currently the
+ // main event loop is not running anyhow
+ wxEventLoop * const loop = wxEventLoop::GetActive();
+
+ return loop && loop->Pending();
+}
+
+bool wxAppBase::Dispatch()
+{
+ // see comment in Pending()
+ wxEventLoop * const loop = wxEventLoop::GetActive();
+
+ return loop && loop->Dispatch();
+}
+
// ----------------------------------------------------------------------------
// OnXXX() hooks
// ----------------------------------------------------------------------------
{
#ifdef __WXUNIVERSAL__
if ( !wxTheme::Get() && !wxTheme::CreateDefault() )
- return FALSE;
+ return false;
#endif // __WXUNIVERSAL__
- return TRUE;
+ return true;
}
int wxAppBase::OnRun()
return MainLoop();
}
+int wxAppBase::OnExit()
+{
+#ifdef __WXUNIVERSAL__
+ delete wxTheme::Set(NULL);
+#endif // __WXUNIVERSAL__
+
+ return wxAppConsole::OnExit();
+}
+
void wxAppBase::Exit()
{
ExitMainLoop();
wxAppTraits *wxAppBase::CreateTraits()
{
- return wxAppTraits::CreateGUI();
+ return new wxGUIAppTraits;
}
// ----------------------------------------------------------------------------
(void)ProcessEvent(event);
}
+// ----------------------------------------------------------------------------
+// idle handling
+// ----------------------------------------------------------------------------
+
void wxAppBase::DeletePendingObjects()
{
- wxNode *node = wxPendingDelete.GetFirst();
+ wxList::compatibility_iterator node = wxPendingDelete.GetFirst();
while (node)
{
wxObject *obj = node->GetData();
- delete obj;
+ // remove it from the list first so that if we get back here somehow
+ // during the object deletion (e.g. wxYield called from its dtor) we
+ // wouldn't try to delete it the second time
+ if ( wxPendingDelete.Member(obj) )
+ wxPendingDelete.Erase(node);
- if (wxPendingDelete.Member(obj))
- delete node;
+ delete obj;
// Deleting one object may have deleted other pending
// objects, so start from beginning of list again.
}
}
+// Returns true if more time is needed.
+bool wxAppBase::ProcessIdle()
+{
+ wxIdleEvent event;
+ bool needMore = false;
+ wxWindowList::compatibility_iterator node = wxTopLevelWindows.GetFirst();
+ while (node)
+ {
+ wxWindow* win = node->GetData();
+ if (SendIdleEvents(win, event))
+ needMore = true;
+ node = node->GetNext();
+ }
+
+ event.SetEventObject(this);
+ (void) ProcessEvent(event);
+ if (event.MoreRequested())
+ needMore = true;
+
+ wxUpdateUIEvent::ResetUpdateTime();
+
+ return needMore;
+}
+
+// Send idle event to window and all subwindows
+bool wxAppBase::SendIdleEvents(wxWindow* win, wxIdleEvent& event)
+{
+ bool needMore = false;
+
+ win->OnInternalIdle();
+
+ if (wxIdleEvent::CanSend(win))
+ {
+ event.SetEventObject(win);
+ win->GetEventHandler()->ProcessEvent(event);
+
+ if (event.MoreRequested())
+ needMore = true;
+ }
+ wxWindowList::compatibility_iterator node = win->GetChildren().GetFirst();
+ while ( node )
+ {
+ wxWindow *child = node->GetData();
+ if (SendIdleEvents(child, event))
+ needMore = true;
+
+ node = node->GetNext();
+ }
+
+ return needMore;
+}
+
+void wxAppBase::OnIdle(wxIdleEvent& WXUNUSED(event))
+{
+ // If there are pending events, we must process them: pending events
+ // are either events to the threads other than main or events posted
+ // with wxPostEvent() functions
+ // GRG: I have moved this here so that all pending events are processed
+ // before starting to delete any objects. This behaves better (in
+ // particular, wrt wxPostEvent) and is coherent with wxGTK's current
+ // behaviour. Changed Feb/2000 before 2.1.14
+ ProcessPendingEvents();
+
+ // 'Garbage' collection of windows deleted with Close().
+ DeletePendingObjects();
+
+#if wxUSE_LOG
+ // flush the logged messages if any
+ wxLog::FlushActive();
+#endif // wxUSE_LOG
+
+}
+
+// ----------------------------------------------------------------------------
+// exceptions support
+// ----------------------------------------------------------------------------
+
+#if wxUSE_EXCEPTIONS
+
+bool wxAppBase::OnExceptionInMainLoop()
+{
+ throw;
+
+ // some compilers are too stupid to know that we never return after throw
+#if defined(__DMC__) || (defined(_MSC_VER) && _MSC_VER < 1200)
+ return false;
+#endif
+}
+
+#endif // wxUSE_EXCEPTIONS
+
// ----------------------------------------------------------------------------
// wxGUIAppTraitsBase
// ----------------------------------------------------------------------------
wxLog *wxGUIAppTraitsBase::CreateLogTarget()
{
+#if wxUSE_LOGGUI
return new wxLogGui;
+#else
+ // we must have something!
+ return new wxLogStderr;
+#endif
}
#endif // wxUSE_LOG
#endif // wxUSE_FONTMAP
+wxRendererNative *wxGUIAppTraitsBase::CreateRenderer()
+{
+ // use the default native renderer by default
+ return NULL;
+}
+
#ifdef __WXDEBUG__
bool wxGUIAppTraitsBase::ShowAssertDialog(const wxString& msg)
{
+#if defined(__WXMSW__) || !wxUSE_MSGDLG
// under MSW we prefer to use the base class version using ::MessageBox()
// even if wxMessageBox() is available because it has less chances to
// double fault our app than our wxMessageBox()
-#if defined(__WXMSW__) || !wxUSE_MSGDLG
return wxAppTraitsBase::ShowAssertDialog(msg);
#else // wxUSE_MSGDLG
+ wxString msgDlg = msg;
+
+#if wxUSE_STACKWALKER
+ // on Unix stack frame generation may take some time, depending on the
+ // size of the executable mainly... warn the user that we are working
+ wxFprintf(stderr, wxT("[Debug] Generating a stack trace... please wait"));
+ fflush(stderr);
+
+ const wxString stackTrace = GetAssertStackTrace();
+ if ( !stackTrace.empty() )
+ msgDlg << _T("\n\nCall stack:\n") << stackTrace;
+#endif // wxUSE_STACKWALKER
+
// this message is intentionally not translated -- it is for
// developpers only
- wxString msgDlg(msg);
msgDlg += wxT("\nDo you want to stop the program?\n")
wxT("You can also choose [Cancel] to suppress ")
wxT("further warnings.");
- switch ( wxMessageBox(msgDlg, wxT("wxWindows Debug Alert"),
+ switch ( wxMessageBox(msgDlg, wxT("wxWidgets Debug Alert"),
wxYES_NO | wxCANCEL | wxICON_STOP ) )
{
case wxYES:
wxPendingDelete.DeleteObject(object);
}
-// ----------------------------------------------------------------------------
-// wxAppTraits
-// ----------------------------------------------------------------------------
+#if wxUSE_SOCKETS
-wxAppTraits *wxAppTraitsBase::CreateGUI()
+#if defined(__WINDOWS__)
+ #include "wx/msw/gsockmsw.h"
+#elif defined(__UNIX__) || defined(__DARWIN__) || defined(__OS2__)
+ #include "wx/unix/gsockunx.h"
+#elif defined(__WXMAC__)
+ #include <MacHeaders.c>
+ #define OTUNIXERRORS 1
+ #include <OpenTransport.h>
+ #include <OpenTransportProviders.h>
+ #include <OpenTptInternet.h>
+
+ #include "wx/mac/gsockmac.h"
+#else
+ #error "Must include correct GSocket header here"
+#endif
+
+GSocketGUIFunctionsTable* wxGUIAppTraitsBase::GetSocketGUIFunctionsTable()
{
- return new wxGUIAppTraits;
+#if defined(__WXMAC__) && !defined(__DARWIN__)
+ // NB: wxMac CFM does not have any GUI-specific functions in gsocket.c and
+ // so it doesn't need this table at all
+ return NULL;
+#else // !__WXMAC__ || __DARWIN__
+ static GSocketGUIFunctionsTableConcrete table;
+ return &table;
+#endif // !__WXMAC__ || __DARWIN__
}
+#endif
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