/////////////////////////////////////////////////////////////////////////////
-// 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/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"
+ #include "wx/wxcrtvararg.h"
#endif
#include "wx/apptrait.h"
+#include "wx/cmdline.h"
+#include "wx/msgout.h"
+#include "wx/thread.h"
+#include "wx/vidmode.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;
// ============================================================================
// wxAppBase implementation
wxAppBase::wxAppBase()
{
m_topWindow = (wxWindow *)NULL;
- m_useBestVisual = FALSE;
- m_isActive = TRUE;
+
+ m_useBestVisual = false;
+ m_forceTrueColour = false;
+
+ m_isActive = true;
// 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;
- 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;
+ wxAppConsole::CleanUp();
+}
- delete wxPendingEventsLocker;
- wxPendingEventsLocker = NULL;
+// ----------------------------------------------------------------------------
+// various accessors
+// ----------------------------------------------------------------------------
-#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
+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 "theme"
+#define OPTION_MODE "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,
+ NULL,
+ 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,
+ NULL,
+ OPTION_MODE,
+ gettext_noop("specify display mode to use (e.g. 640x480-16)"),
+ wxCMD_LINE_VAL_STRING,
+ 0x0
+ },
+#endif // __WXMGL__
+
+ // terminator
+ wxCMD_LINE_DESC_END
+ };
+
+ 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
+
// ----------------------------------------------------------------------------
// OnXXX() hooks
// ----------------------------------------------------------------------------
{
#ifdef __WXUNIVERSAL__
if ( !wxTheme::Get() && !wxTheme::CreateDefault() )
- return FALSE;
+ return false;
#endif // __WXUNIVERSAL__
- return TRUE;
+ return true;
}
int wxAppBase::OnRun()
}
//else: it has been changed, assume the user knows what he is doing
- return MainLoop();
+ return wxAppConsole::OnRun();
}
-void wxAppBase::Exit()
+int wxAppBase::OnExit()
{
- ExitMainLoop();
+#ifdef __WXUNIVERSAL__
+ delete wxTheme::Set(NULL);
+#endif // __WXUNIVERSAL__
+
+ return wxAppConsole::OnExit();
}
wxAppTraits *wxAppBase::CreateTraits()
(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()
{
+ // process pending wx events before sending idle events
+ ProcessPendingEvents();
+
+ wxIdleEvent event;
+ bool needMore = false;
wxWindowList::compatibility_iterator node = wxTopLevelWindows.GetFirst();
- node = wxTopLevelWindows.GetFirst();
while (node)
{
wxWindow* win = node->GetData();
- win->ProcessInternalIdle();
+ if (SendIdleEvents(win, event))
+ needMore = true;
node = node->GetNext();
}
- wxIdleEvent event;
- event.SetEventObject(this);
- bool processed = ProcessEvent(event);
+ if (wxAppConsole::ProcessIdle())
+ needMore = true;
- wxUpdateUIEvent::ResetUpdateTime();
-
- return processed && event.MoreRequested();
-}
+ // 'Garbage' collection of windows deleted with Close().
+ DeletePendingObjects();
-// Send idle event to all top-level windows
-bool wxAppBase::SendIdleEvents()
-{
- bool needMore = FALSE;
+#if wxUSE_LOG
+ // flush the logged messages if any
+ wxLog::FlushActive();
+#endif
- wxWindowList::compatibility_iterator node = wxTopLevelWindows.GetFirst();
- while (node)
- {
- wxWindow* win = node->GetData();
- if (SendIdleEvents(win))
- needMore = TRUE;
- node = node->GetNext();
- }
+ wxUpdateUIEvent::ResetUpdateTime();
return needMore;
}
// Send idle event to window and all subwindows
-bool wxAppBase::SendIdleEvents(wxWindow* win)
+bool wxAppBase::SendIdleEvents(wxWindow* win, wxIdleEvent& event)
{
- bool needMore = FALSE;
-
- if (wxIdleEvent::CanSend(win))
+ bool needMore = false;
+
+ win->OnInternalIdle();
+
+ // should we send idle event to this window?
+ if ( wxIdleEvent::GetMode() == wxIDLE_PROCESS_ALL ||
+ win->HasExtraStyle(wxWS_EX_PROCESS_IDLE) )
{
- wxIdleEvent event;
event.SetEventObject(win);
win->GetEventHandler()->ProcessEvent(event);
- needMore = event.MoreRequested();
+ if (event.MoreRequested())
+ needMore = true;
}
-
wxWindowList::compatibility_iterator node = win->GetChildren().GetFirst();
while ( node )
{
- wxWindow *win = node->GetData();
- if (SendIdleEvents(win))
- needMore = TRUE;
+ wxWindow *child = node->GetData();
+ if (SendIdleEvents(child, event))
+ needMore = true;
node = node->GetNext();
}
return needMore;
}
-
// ----------------------------------------------------------------------------
// wxGUIAppTraitsBase
// ----------------------------------------------------------------------------
wxLog *wxGUIAppTraitsBase::CreateLogTarget()
{
+// DE: One day I'll remove this but right now the generic dialog used for this
+// just doesn't work right at all on wxCocoa.
+#if wxUSE_LOGGUI && !defined(__WXCOCOA__)
return new wxLogGui;
+#else
+ // we must have something!
+ return new wxLogStderr;
+#endif
}
#endif // wxUSE_LOG
// is (according to common practice):
// - console apps: to stderr (on any platform)
// - GUI apps: stderr on Unix platforms (!)
- // message box under Windows and others
+ // stderr if available and message box otherwise on others
+ // (currently stderr only Windows if app running from console)
#ifdef __UNIX__
return new wxMessageOutputStderr;
#else // !__UNIX__
// wxMessageOutputMessageBox doesn't work under Motif
#ifdef __WXMOTIF__
return new wxMessageOutputLog;
+ #elif wxUSE_MSGDLG
+ return new wxMessageOutputBest(wxMSGOUT_PREFER_STDERR);
#else
- return new wxMessageOutputMessageBox;
+ return new wxMessageOutputStderr;
#endif
#endif // __UNIX__/!__UNIX__
}
#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:
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