/////////////////////////////////////////////////////////////////////////////
-// Name: common/appcmn.cpp
+// Name: src/common/appcmn.cpp
// Purpose: wxAppConsole and wxAppBase methods common to all platforms
// Author: Vadim Zeitlin
// Modified by:
// headers
// ---------------------------------------------------------------------------
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
- #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/window.h"
#include "wx/bitmap.h"
- #include "wx/intl.h"
- #include "wx/list.h"
#include "wx/log.h"
#include "wx/msgdlg.h"
- #include "wx/bitmap.h"
#include "wx/confbase.h"
+ #include "wx/utils.h"
#endif
#include "wx/apptrait.h"
#include "wx/evtloop.h"
#include "wx/msgout.h"
#include "wx/thread.h"
-#include "wx/utils.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
+ #include "wx/msw/private.h" // includes windows.h for LOGFONT
#endif
#if wxUSE_FONTMAP
#include "wx/build.h"
WX_CHECK_BUILD_OPTIONS("wxCore")
+WXDLLIMPEXP_DATA_CORE(wxList) wxPendingDelete;
// ----------------------------------------------------------------------------
// wxEventLoopPtr
// ----------------------------------------------------------------------------
// this defines wxEventLoopPtr
-wxDEFINE_TIED_SCOPED_PTR_TYPE(wxEventLoop);
+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;
-#if wxUSE_EVTLOOP_IN_APP
m_mainLoop = NULL;
-#endif // wxUSE_EVTLOOP_IN_APP
// 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
#endif
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();
#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
// ----------------------------------------------------------------------------
#ifdef __WXUNIVERSAL__
{
wxCMD_LINE_OPTION,
- _T(""),
+ wxEmptyString,
OPTION_THEME,
gettext_noop("specify the theme to use"),
wxCMD_LINE_VAL_STRING,
// and not mgl/app.cpp
{
wxCMD_LINE_OPTION,
- _T(""),
+ wxEmptyString,
OPTION_MODE,
gettext_noop("specify display mode to use (e.g. 640x480-16)"),
wxCMD_LINE_VAL_STRING,
// terminator
{
wxCMD_LINE_NONE,
- _T(""),
- _T(""),
- _T(""),
+ wxEmptyString,
+ wxEmptyString,
+ wxEmptyString,
wxCMD_LINE_VAL_NONE,
0x0
}
if ( !theme )
{
wxLogError(_("Unsupported theme '%s'."), themeName.c_str());
- return FALSE;
+ return false;
}
// Delete the defaultly created theme and set the new theme.
if ( wxSscanf(modeDesc.c_str(), _T("%ux%u-%u"), &w, &h, &bpp) != 3 )
{
wxLogError(_("Invalid display mode specification '%s'."), modeDesc.c_str());
- return FALSE;
+ return false;
}
if ( !SetDisplayMode(wxVideoMode(w, h, bpp)) )
- return FALSE;
+ return false;
}
#endif // __WXMGL__
int wxAppBase::MainLoop()
{
-#if wxUSE_EVTLOOP_IN_APP
wxEventLoopTiedPtr mainLoop(&m_mainLoop, new wxEventLoop);
return m_mainLoop->Run();
-#else // !wxUSE_EVTLOOP_IN_APP
- return 0;
-#endif // wxUSE_EVTLOOP_IN_APP/!wxUSE_EVTLOOP_IN_APP
}
void wxAppBase::ExitMainLoop()
{
-#if wxUSE_EVTLOOP_IN_APP
// 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);
}
-#endif // wxUSE_EVTLOOP_IN_APP
}
bool wxAppBase::Pending()
{
-#if wxUSE_EVTLOOP_IN_APP
// 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();
-#else // wxUSE_EVTLOOP_IN_APP
- return false;
-#endif // wxUSE_EVTLOOP_IN_APP/!wxUSE_EVTLOOP_IN_APP
}
bool wxAppBase::Dispatch()
{
-#if wxUSE_EVTLOOP_IN_APP
// see comment in Pending()
wxEventLoop * const loop = wxEventLoop::GetActive();
return loop && loop->Dispatch();
-#else // wxUSE_EVTLOOP_IN_APP
- return true;
-#endif // wxUSE_EVTLOOP_IN_APP/!wxUSE_EVTLOOP_IN_APP
}
// ----------------------------------------------------------------------------
{
#ifdef __WXUNIVERSAL__
if ( !wxTheme::Get() && !wxTheme::CreateDefault() )
- return FALSE;
+ return false;
#endif // __WXUNIVERSAL__
- return TRUE;
+ return true;
}
int wxAppBase::OnRun()
(void)ProcessEvent(event);
}
+// ----------------------------------------------------------------------------
+// idle handling
+// ----------------------------------------------------------------------------
+
void wxAppBase::DeletePendingObjects()
{
wxList::compatibility_iterator node = wxPendingDelete.GetFirst();
{
wxObject *obj = node->GetData();
- delete obj;
-
- if (wxPendingDelete.Member(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);
+ delete obj;
+
// Deleting one object may have deleted other pending
// objects, so start from beginning of list again.
node = wxPendingDelete.GetFirst();
}
}
-// Returns TRUE if more time is needed.
+// Returns true if more time is needed.
bool wxAppBase::ProcessIdle()
{
wxIdleEvent event;
- bool needMore = FALSE;
+ bool needMore = false;
wxWindowList::compatibility_iterator node = wxTopLevelWindows.GetFirst();
while (node)
{
wxWindow* win = node->GetData();
if (SendIdleEvents(win, event))
- needMore = TRUE;
+ needMore = true;
node = node->GetNext();
}
event.SetEventObject(this);
(void) ProcessEvent(event);
if (event.MoreRequested())
- needMore = TRUE;
+ needMore = true;
wxUpdateUIEvent::ResetUpdateTime();
-
+
return needMore;
}
// Send idle event to window and all subwindows
bool wxAppBase::SendIdleEvents(wxWindow* win, wxIdleEvent& event)
{
- bool needMore = FALSE;
+ bool needMore = false;
win->OnInternalIdle();
win->GetEventHandler()->ProcessEvent(event);
if (event.MoreRequested())
- needMore = TRUE;
+ needMore = true;
}
wxWindowList::compatibility_iterator node = win->GetChildren().GetFirst();
while ( node )
{
wxWindow *child = node->GetData();
if (SendIdleEvents(child, event))
- needMore = TRUE;
+ needMore = true;
node = node->GetNext();
}
}
+// ----------------------------------------------------------------------------
+// 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
// ----------------------------------------------------------------------------
#if wxUSE_LOGGUI
return new wxLogGui;
#else
- // wem ust have something!
+ // we must have something!
return new wxLogStderr;
#endif
}
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:
#if wxUSE_SOCKETS
-#if defined(__UNIX__) || defined(__DARWIN__) || defined(__OS2__)
- #include "wx/unix/gsockunx.h"
-#elif defined(__WINDOWS__)
+#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 <MacHeaders.c>
+ #define OTUNIXERRORS 1
+ #include <OpenTransport.h>
+ #include <OpenTransportProviders.h>
+ #include <OpenTptInternet.h>
- #include "wx/mac/gsockmac.h"
+ #include "wx/mac/gsockmac.h"
#else
#error "Must include correct GSocket header here"
#endif
// so it doesn't need this table at all
return NULL;
#else // !__WXMAC__ || __DARWIN__
- static GSocketGUIFunctionsTable table =
- {
- _GSocket_GUI_Init,
- _GSocket_GUI_Cleanup,
- _GSocket_GUI_Init_Socket,
- _GSocket_GUI_Destroy_Socket,
-#ifndef __WINDOWS__
- _GSocket_Install_Callback,
- _GSocket_Uninstall_Callback,
-#endif
- _GSocket_Enable_Events,
- _GSocket_Disable_Events
- };
+ static GSocketGUIFunctionsTableConcrete table;
return &table;
#endif // !__WXMAC__ || __DARWIN__
}
#endif
-
projects / wxWidgets.git / blobdiff