/////////////////////////////////////////////////////////////////////////////
-// Name: common/appcmn.cpp
-// Purpose: wxAppConsole and wxAppBase methods common to all platforms
+// Name: src/common/appcmn.cpp
+// Purpose: wxAppBase methods common to all platforms
// Author: Vadim Zeitlin
// Modified by:
// Created: 18.10.99
// 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/utils.h"
-
-#if defined(__WXMSW__)
- #include "wx/msw/private.h" // includes windows.h for LOGFONT
-#endif
+#include "wx/vidmode.h"
+#include "wx/evtloop.h"
#if wxUSE_FONTMAP
#include "wx/fontmap.h"
wxAppBase::wxAppBase()
{
- m_topWindow = (wxWindow *)NULL;
- m_useBestVisual = FALSE;
- m_isActive = TRUE;
+ m_topWindow = NULL;
+
+ 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
-
wxInitializeStockLists();
- wxInitializeStockObjects();
wxBitmap::InitStandardHandlers();
+ // for compatibility call the old initialization function too
+ if ( !OnInitGui() )
+ return false;
+
return true;
}
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 _T("theme")
-#define OPTION_MODE _T("mode")
+#define OPTION_THEME "theme"
+#define OPTION_MODE "mode"
void wxAppBase::OnInitCmdLine(wxCmdLineParser& parser)
{
#ifdef __WXUNIVERSAL__
{
wxCMD_LINE_OPTION,
- _T(""),
+ NULL,
OPTION_THEME,
gettext_noop("specify the theme to use"),
wxCMD_LINE_VAL_STRING,
// and not mgl/app.cpp
{
wxCMD_LINE_OPTION,
- _T(""),
+ NULL,
OPTION_MODE,
gettext_noop("specify display mode to use (e.g. 640x480-16)"),
wxCMD_LINE_VAL_STRING,
#endif // __WXMGL__
// terminator
- {
- wxCMD_LINE_NONE,
- _T(""),
- _T(""),
- _T(""),
- wxCMD_LINE_VAL_NONE,
- 0x0
- }
+ wxCMD_LINE_DESC_END
};
parser.SetDesc(cmdLineGUIDesc);
if ( !theme )
{
wxLogError(_("Unsupported theme '%s'."), themeName.c_str());
- return FALSE;
+ return false;
}
// Delete the defaultly created theme and set the new theme.
if ( parser.Found(OPTION_MODE, &modeDesc) )
{
unsigned w, h, bpp;
- if ( wxSscanf(modeDesc.c_str(), _T("%ux%u-%u"), &w, &h, &bpp) != 3 )
+ if ( wxSscanf(modeDesc.c_str(), wxT("%ux%u-%u"), &w, &h, &bpp) != 3 )
{
wxLogError(_("Invalid display mode specification '%s'."), modeDesc.c_str());
- return FALSE;
+ return false;
}
- if ( !SetDisplayMode(wxDisplayModeInfo(w, h, bpp)) )
- return FALSE;
+ if ( !SetDisplayMode(wxVideoMode(w, h, bpp)) )
+ return false;
}
#endif // __WXMGL__
{
#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();
}
int wxAppBase::OnExit()
return wxAppConsole::OnExit();
}
-void wxAppBase::Exit()
-{
- ExitMainLoop();
-}
-
wxAppTraits *wxAppBase::CreateTraits()
{
return new wxGUIAppTraits;
(void)ProcessEvent(event);
}
-void wxAppBase::DeletePendingObjects()
+bool wxAppBase::SafeYield(wxWindow *win, bool onlyIfNeeded)
{
- wxList::compatibility_iterator node = wxPendingDelete.GetFirst();
- while (node)
- {
- wxObject *obj = node->GetData();
+ wxWindowDisabler wd(win);
+
+ wxEventLoopBase * const loop = wxEventLoopBase::GetActive();
- delete obj;
+ return loop && loop->Yield(onlyIfNeeded);
+}
- if (wxPendingDelete.Member(obj))
- wxPendingDelete.Erase(node);
+bool wxAppBase::SafeYieldFor(wxWindow *win, long eventsToProcess)
+{
+ wxWindowDisabler wd(win);
- // Deleting one object may have deleted other pending
- // objects, so start from beginning of list again.
- node = wxPendingDelete.GetFirst();
- }
+ wxEventLoopBase * const loop = wxEventLoopBase::GetActive();
+
+ return loop && loop->YieldFor(eventsToProcess);
}
-// Returns TRUE if more time is needed.
+
+// ----------------------------------------------------------------------------
+// idle handling
+// ----------------------------------------------------------------------------
+
+// Returns true if more time is needed.
bool wxAppBase::ProcessIdle()
{
+ // call the base class version first to send the idle event to wxTheApp
+ // itself
+ bool needMore = wxAppConsoleBase::ProcessIdle();
wxIdleEvent event;
- bool needMore = FALSE;
wxWindowList::compatibility_iterator node = wxTopLevelWindows.GetFirst();
- 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;
-
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();
- if (wxIdleEvent::CanSend(win))
+ // should we send idle event to this window?
+ if ( wxIdleEvent::GetMode() == wxIDLE_PROCESS_ALL ||
+ win->HasExtraStyle(wxWS_EX_PROCESS_IDLE) )
{
event.SetEventObject(win);
- win->GetEventHandler()->ProcessEvent(event);
+ win->HandleWindowEvent(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();
}
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
-
-}
-
// ----------------------------------------------------------------------------
// wxGUIAppTraitsBase
// ----------------------------------------------------------------------------
wxLog *wxGUIAppTraitsBase::CreateLogTarget()
{
+#if wxUSE_LOGGUI
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__
}
return NULL;
}
-#ifdef __WXDEBUG__
-
bool wxGUIAppTraitsBase::ShowAssertDialog(const wxString& msg)
{
+#if wxDEBUG_LEVEL
// 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
- // 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"),
- wxYES_NO | wxCANCEL | wxICON_STOP ) )
+ //
+ // under DFB the message dialog is not always functional right now
+ //
+ // and finally we can't use wxMessageBox() if it wasn't compiled in, of
+ // course
+#if !defined(__WXMSW__) && !defined(__WXDFB__) && wxUSE_MSGDLG
+
+ // we can't (safely) show the GUI dialog from another thread, only do it
+ // for the asserts in the main thread
+ if ( wxIsMainThread() )
{
- case wxYES:
- wxTrap();
- break;
+ wxString msgDlg = msg;
+
+#if wxUSE_STACKWALKER
+ const wxString stackTrace = GetAssertStackTrace();
+ if ( !stackTrace.empty() )
+ msgDlg << wxT("\n\nCall stack:\n") << stackTrace;
+#endif // wxUSE_STACKWALKER
+
+ // this message is intentionally not translated -- it is for
+ // developpers only
+ 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("wxWidgets Debug Alert"),
+ wxYES_NO | wxCANCEL | wxICON_STOP ) )
+ {
+ case wxYES:
+ wxTrap();
+ break;
- case wxCANCEL:
- // no more asserts
- return true;
+ case wxCANCEL:
+ // no more asserts
+ return true;
- //case wxNO: nothing to do
+ //case wxNO: nothing to do
+ }
+
+ return false;
}
+#endif // wxUSE_MSGDLG
+#endif // wxDEBUG_LEVEL
- return false;
-#endif // !wxUSE_MSGDLG/wxUSE_MSGDLG
+ return wxAppTraitsBase::ShowAssertDialog(msg);
}
-#endif // __WXDEBUG__
-
bool wxGUIAppTraitsBase::HasStderr()
{
// we consider that under Unix stderr always goes somewhere, even if the
#endif
}
-void wxGUIAppTraitsBase::ScheduleForDestroy(wxObject *object)
-{
- if ( !wxPendingDelete.Member(object) )
- wxPendingDelete.Append(object);
-}
-
-void wxGUIAppTraitsBase::RemoveFromPendingDelete(wxObject *object)
-{
- wxPendingDelete.DeleteObject(object);
-}
-
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