/////////////////////////////////////////////////////////////////////////////
-// Name: event.cpp
+// Name: src/common/event.cpp
// Purpose: Event classes
// Author: Julian Smart
// Modified by:
// headers
// ----------------------------------------------------------------------------
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) && !defined(__EMX__)
-// Some older compilers (such as EMX) cannot handle
-// #pragma interface/implementation correctly, iff
-// #pragma implementation is used in _two_ translation
-// units (as created by e.g. event.cpp compiled for
-// libwx_base and event.cpp compiled for libwx_gui_core).
-// So we must not use those pragmas for those compilers in
-// such files.
- #pragma implementation "event.h"
-#endif
-
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#pragma hdrstop
#endif
+#include "wx/event.h"
+
#ifndef WX_PRECOMP
- #include "wx/defs.h"
- #include "wx/app.h"
#include "wx/list.h"
+ #include "wx/app.h"
+ #include "wx/utils.h"
+ #include "wx/stopwatch.h"
+ #include "wx/module.h"
#if wxUSE_GUI
#include "wx/control.h"
- #include "wx/utils.h"
#include "wx/dc.h"
#include "wx/textctrl.h"
+ #include "wx/validate.h"
#endif // wxUSE_GUI
#endif
-#include "wx/event.h"
-#include "wx/module.h"
-
-#if wxUSE_GUI
- #include "wx/validate.h"
-#if wxUSE_STOPWATCH
- #include "wx/stopwatch.h"
-#endif
-#endif // wxUSE_GUI
-
// ----------------------------------------------------------------------------
// wxWin macros
// ----------------------------------------------------------------------------
#if wxUSE_BASE
IMPLEMENT_DYNAMIC_CLASS(wxEvtHandler, wxObject)
IMPLEMENT_ABSTRACT_CLASS(wxEvent, wxObject)
+ IMPLEMENT_DYNAMIC_CLASS(wxIdleEvent, wxEvent)
#endif // wxUSE_BASE
#if wxUSE_GUI
- IMPLEMENT_DYNAMIC_CLASS(wxIdleEvent, wxEvent)
IMPLEMENT_DYNAMIC_CLASS(wxCommandEvent, wxEvent)
IMPLEMENT_DYNAMIC_CLASS(wxNotifyEvent, wxCommandEvent)
IMPLEMENT_DYNAMIC_CLASS(wxScrollEvent, wxCommandEvent)
IMPLEMENT_DYNAMIC_CLASS(wxHelpEvent, wxCommandEvent)
IMPLEMENT_DYNAMIC_CLASS(wxContextMenuEvent, wxCommandEvent)
IMPLEMENT_DYNAMIC_CLASS(wxMouseCaptureChangedEvent, wxEvent)
+ IMPLEMENT_DYNAMIC_CLASS(wxMouseCaptureLostEvent, wxEvent)
+ IMPLEMENT_DYNAMIC_CLASS(wxClipboardTextEvent, wxCommandEvent)
#endif // wxUSE_GUI
#if wxUSE_BASE
{ DECLARE_EVENT_TABLE_ENTRY(wxEVT_NULL, 0, 0, (wxObjectEventFunction)NULL, NULL) };
-#ifdef __WXDEBUG__
-// Clear up event hash table contents or we can get problems
-// when C++ is cleaning up the static object
+// wxUSE_MEMORY_TRACING considers memory freed from the static objects dtors
+// leaked, so we need to manually clean up all event tables before checking for
+// the memory leaks when using it, however this breaks re-initializing the
+// library (i.e. repeated calls to wxInitialize/wxUninitialize) because the
+// event tables won't be rebuilt the next time, so disable this by default
+#if defined(__WXDEBUG__) && wxUSE_MEMORY_TRACING
+
class wxEventTableEntryModule: public wxModule
{
-DECLARE_DYNAMIC_CLASS(wxEventTableEntryModule)
public:
- wxEventTableEntryModule() {}
- bool OnInit() { return true; }
- void OnExit()
- {
- wxEventHashTable::ClearAll();
- }
+ wxEventTableEntryModule() { }
+ virtual bool OnInit() { return true; }
+ virtual void OnExit() { wxEventHashTable::ClearAll(); }
+
+ DECLARE_DYNAMIC_CLASS(wxEventTableEntryModule)
};
+
IMPLEMENT_DYNAMIC_CLASS(wxEventTableEntryModule, wxModule)
-#endif
+
+#endif // __WXDEBUG__ && wxUSE_MEMORY_TRACING
// ----------------------------------------------------------------------------
// global variables
DEFINE_EVENT_TYPE(wxEVT_NULL)
DEFINE_EVENT_TYPE(wxEVT_IDLE)
DEFINE_EVENT_TYPE(wxEVT_SOCKET)
+DEFINE_EVENT_TYPE(wxEVT_TIMER)
#endif // !WXWIN_COMPATIBILITY_EVENT_TYPES
DEFINE_EVENT_TYPE(wxEVT_COMMAND_TOOL_RCLICKED)
DEFINE_EVENT_TYPE(wxEVT_COMMAND_TOOL_ENTER)
DEFINE_EVENT_TYPE(wxEVT_COMMAND_SPINCTRL_UPDATED)
-
-// Sockets and timers send events, too
-DEFINE_EVENT_TYPE(wxEVT_TIMER)
+DEFINE_EVENT_TYPE(wxEVT_COMMAND_TOOL_DROPDOWN_CLICKED)
// Mouse event types
DEFINE_EVENT_TYPE(wxEVT_LEFT_DOWN)
DEFINE_EVENT_TYPE(wxEVT_SCROLL_PAGEDOWN)
DEFINE_EVENT_TYPE(wxEVT_SCROLL_THUMBTRACK)
DEFINE_EVENT_TYPE(wxEVT_SCROLL_THUMBRELEASE)
-DEFINE_EVENT_TYPE(wxEVT_SCROLL_ENDSCROLL)
+DEFINE_EVENT_TYPE(wxEVT_SCROLL_CHANGED)
// Scroll events from wxWindow
DEFINE_EVENT_TYPE(wxEVT_SCROLLWIN_TOP)
DEFINE_EVENT_TYPE(wxEVT_CLOSE_WINDOW)
DEFINE_EVENT_TYPE(wxEVT_END_SESSION)
DEFINE_EVENT_TYPE(wxEVT_QUERY_END_SESSION)
+DEFINE_EVENT_TYPE(wxEVT_HIBERNATE)
DEFINE_EVENT_TYPE(wxEVT_ACTIVATE_APP)
DEFINE_EVENT_TYPE(wxEVT_POWER)
DEFINE_EVENT_TYPE(wxEVT_ACTIVATE)
DEFINE_EVENT_TYPE(wxEVT_ICONIZE)
DEFINE_EVENT_TYPE(wxEVT_MAXIMIZE)
DEFINE_EVENT_TYPE(wxEVT_MOUSE_CAPTURE_CHANGED)
+DEFINE_EVENT_TYPE(wxEVT_MOUSE_CAPTURE_LOST)
DEFINE_EVENT_TYPE(wxEVT_PAINT)
DEFINE_EVENT_TYPE(wxEVT_ERASE_BACKGROUND)
DEFINE_EVENT_TYPE(wxEVT_NC_PAINT)
DEFINE_EVENT_TYPE(wxEVT_INIT_DIALOG)
DEFINE_EVENT_TYPE(wxEVT_UPDATE_UI)
+// Clipboard events
+DEFINE_EVENT_TYPE(wxEVT_COMMAND_TEXT_COPY)
+DEFINE_EVENT_TYPE(wxEVT_COMMAND_TEXT_CUT)
+DEFINE_EVENT_TYPE(wxEVT_COMMAND_TEXT_PASTE)
+
// Generic command events
// Note: a click is a higher-level event than button down/up
DEFINE_EVENT_TYPE(wxEVT_COMMAND_LEFT_CLICK)
#if wxUSE_BASE
+wxIdleMode wxIdleEvent::sm_idleMode = wxIDLE_PROCESS_ALL;
+
// ============================================================================
// implementation
// ============================================================================
}
wxEvent::wxEvent(const wxEvent &src)
- : wxObject()
+ : wxObject(src)
, m_eventObject(src.m_eventObject)
, m_eventType(src.m_eventType)
, m_timeStamp(src.m_timeStamp)
wxCommandEvent::wxCommandEvent(wxEventType commandType, int theId)
: wxEvent(theId, commandType)
-#if WXWIN_COMPATIBILITY_2_4
- , m_commandString(this)
-#endif
{
m_clientData = (char *) NULL;
m_clientObject = (wxClientData *) NULL;
#endif
}
-/*
- * Idle events
- */
-
-wxIdleMode wxIdleEvent::sm_idleMode = wxIDLE_PROCESS_ALL;
-
-// Can we send an idle event?
-bool wxIdleEvent::CanSend(wxWindow* win)
-{
- // Don't update if we've switched global updating off
- // and this window doesn't support updates.
- if (win &&
- (GetMode() == wxIDLE_PROCESS_SPECIFIED &&
- ((win->GetExtraStyle() & wxWS_EX_PROCESS_IDLE) == 0)))
- return false;
-
- return true;
-}
-
/*
* Scroll events
*/
m_wheelRotation = 0;
m_wheelDelta = 0;
m_linesPerAction = 0;
+ m_wheelAxis = 0;
}
void wxMouseEvent::Assign(const wxMouseEvent& event)
m_wheelRotation = event.m_wheelRotation;
m_wheelDelta = event.m_wheelDelta;
m_linesPerAction = event.m_linesPerAction;
+ m_wheelAxis = event.m_wheelAxis;
}
// return true if was a button dclick event
#endif
}
+#if WXWIN_COMPATIBILITY_2_6
long wxKeyEvent::KeyCode() const
{
return m_keyCode;
}
+#endif // WXWIN_COMPATIBILITY_2_6
wxWindowCreateEvent::wxWindowCreateEvent(wxWindow *win)
{
SetEventObject(win);
}
+// ----------------------------------------------------------------------------
+// wxHelpEvent
+// ----------------------------------------------------------------------------
+
+/* static */
+wxHelpEvent::Origin wxHelpEvent::GuessOrigin(Origin origin)
+{
+ if ( origin == Origin_Unknown )
+ {
+ // assume that the event comes from the help button if it's not from
+ // keyboard and that pressing F1 always results in the help event
+ origin = wxGetKeyState(WXK_F1) ? Origin_Keyboard : Origin_HelpButton;
+ }
+
+ return origin;
+}
+
#endif // wxUSE_GUI
void wxEventHashTable::Clear()
{
- size_t i;
- for(i = 0; i < m_size; i++)
+ for ( size_t i = 0; i < m_size; i++ )
{
EventTypeTablePointer eTTnode = m_eventTypeTable[i];
- if (eTTnode)
- {
- delete eTTnode;
- }
+ delete eTTnode;
}
- // Necessary in order to not invoke the
- // overloaded delete operator when statics are cleaned up
- if (m_eventTypeTable)
- delete[] m_eventTypeTable;
-
+ delete[] m_eventTypeTable;
m_eventTypeTable = NULL;
+
m_size = 0;
}
+#if defined(__WXDEBUG__) && wxUSE_MEMORY_TRACING
+
// Clear all tables
void wxEventHashTable::ClearAll()
{
}
}
+#endif // __WXDEBUG__ && wxUSE_MEMORY_TRACING
+
bool wxEventHashTable::HandleEvent(wxEvent &event, wxEvtHandler *self)
{
if (m_rebuildHash)
m_eventsLocker = new wxCriticalSection;
# endif
#endif
+
// no client data (yet)
m_clientData = NULL;
m_clientDataType = wxClientData_None;
if (m_dynamicEvents)
{
- wxList::iterator it = m_dynamicEvents->begin(),
- en = m_dynamicEvents->end();
- for (;it != en; ++it)
+ for ( wxList::iterator it = m_dynamicEvents->begin(),
+ end = m_dynamicEvents->end();
+ it != end;
+ ++it )
{
#if WXWIN_COMPATIBILITY_EVENT_TYPES
wxEventTableEntry *entry = (wxEventTableEntry*)*it;
delete m_dynamicEvents;
};
+ if (m_pendingEvents)
+ m_pendingEvents->DeleteContents(true);
delete m_pendingEvents;
#if wxUSE_THREADS
// Remove us from wxPendingEvents if necessary.
if(wxPendingEventsLocker)
wxENTER_CRIT_SECT(*wxPendingEventsLocker);
- if ( wxPendingEvents ) {
- wxPendingEvents->DeleteObject(this);
+ if ( wxPendingEvents )
+ {
+ // Delete all occurences of this from the list of pending events
+ while (wxPendingEvents->DeleteObject(this)) { } // Do nothing
}
if(wxPendingEventsLocker)
wxLEAVE_CRIT_SECT(*wxPendingEventsLocker);
#if wxUSE_THREADS
-bool wxEvtHandler::ProcessThreadEvent(wxEvent& event)
+bool wxEvtHandler::ProcessThreadEvent(const wxEvent& event)
{
// check that we are really in a child thread
wxASSERT_MSG( !wxThread::IsMain(),
delete m_eventsLocker;
m_eventsLocker = NULL;
#endif
-};
+}
#endif // wxUSE_THREADS
-void wxEvtHandler::AddPendingEvent(wxEvent& event)
+void wxEvtHandler::AddPendingEvent(const wxEvent& event)
{
// 1) Add event to list of pending events of this event handler
wxCHECK_RET( eventCopy,
_T("events of this type aren't supposed to be posted") );
-#if defined(__VISAGECPP__)
- wxENTER_CRIT_SECT( m_eventsLocker);
-#else
- wxENTER_CRIT_SECT( *m_eventsLocker);
-#endif
+ wxENTER_CRIT_SECT( Lock() );
if ( !m_pendingEvents )
m_pendingEvents = new wxList;
m_pendingEvents->Append(eventCopy);
-#if defined(__VISAGECPP__)
- wxLEAVE_CRIT_SECT( m_eventsLocker);
-#else
- wxLEAVE_CRIT_SECT( *m_eventsLocker);
-#endif
+ wxLEAVE_CRIT_SECT( Lock() );
// 2) Add this event handler to list of event handlers that
// have pending events.
wxLEAVE_CRIT_SECT(*wxPendingEventsLocker);
- // 3) Inform the system that new pending events are somwehere,
+ // 3) Inform the system that new pending events are somewhere,
// and that these should be processed in idle time.
wxWakeUpIdle();
}
void wxEvtHandler::ProcessPendingEvents()
{
- // this method is only called by wxApp if this handler does have pending
- // events
+ // this method is only called by wxApp if this handler does have
+ // pending events
wxCHECK_RET( m_pendingEvents,
wxT("Please call wxApp::ProcessPendingEvents() instead") );
-
-#if defined(__VISAGECPP__)
- wxENTER_CRIT_SECT( m_eventsLocker);
-#else
- wxENTER_CRIT_SECT( *m_eventsLocker);
-#endif
-
- // remember last event to process during this iteration
- wxList::compatibility_iterator lastPendingNode = m_pendingEvents->GetLast();
-
- wxList::compatibility_iterator node = m_pendingEvents->GetFirst();
- while ( node )
+
+ wxENTER_CRIT_SECT( Lock() );
+
+ // we leave the loop once we have processed all events that were present at
+ // the start of ProcessPendingEvents because otherwise we could get into
+ // infinite loop if the pending event handler execution resulted in another
+ // event being posted
+ size_t n = m_pendingEvents->size();
+ for ( wxList::compatibility_iterator node = m_pendingEvents->GetFirst();
+ node;
+ node = m_pendingEvents->GetFirst() )
{
wxEvent *event = (wxEvent *)node->GetData();
+
+ // It's importan we remove event from list before processing it.
+ // Else a nested event loop, for example from a modal dialog, might
+ // process the same event again.
+
m_pendingEvents->Erase(node);
- // In ProcessEvent, new events might get added and
- // we can safely leave the crtical section here.
-#if defined(__VISAGECPP__)
- wxLEAVE_CRIT_SECT( m_eventsLocker);
-#else
- wxLEAVE_CRIT_SECT( *m_eventsLocker);
-#endif
+ wxLEAVE_CRIT_SECT( Lock() );
+
ProcessEvent(*event);
+
delete event;
-#if defined(__VISAGECPP__)
- wxENTER_CRIT_SECT( m_eventsLocker);
-#else
- wxENTER_CRIT_SECT( *m_eventsLocker);
-#endif
- // leave the loop once we have processed all events that were present
- // at the start of ProcessPendingEvents because otherwise we could get
- // into infinite loop if the pending event handler execution resulted
- // in another event being posted
- if ( node == lastPendingNode )
- break;
+ wxENTER_CRIT_SECT( Lock() );
- node = m_pendingEvents->GetFirst();
+ if ( --n == 0 )
+ break;
}
-#if defined(__VISAGECPP__)
- wxLEAVE_CRIT_SECT( m_eventsLocker);
-#else
- wxLEAVE_CRIT_SECT( *m_eventsLocker);
-#endif
+ wxLEAVE_CRIT_SECT( Lock() );
}
/*
// Try going down the event handler chain
if ( GetNextHandler() )
{
- if ( GetNextHandler()->ProcessEvent(event) )
- return true;
+ // notice that we shouldn't let the parent have the event even if the
+ // next handler does not process it because it will have already passed
+ // it to the parent in this case
+ return GetNextHandler()->ProcessEvent(event);
}
// Finally propagate the event upwards the window chain and/or to the
wxDynamicEventTableEntry *entry = (wxDynamicEventTableEntry*)node->GetData();
#endif // WXWIN_COMPATIBILITY_EVENT_TYPES/!WXWIN_COMPATIBILITY_EVENT_TYPES
+ // get next node before (maybe) calling the event handler as it could
+ // call Disconnect() invalidating the current node
+ node = node->GetNext();
+
if ((event.GetEventType() == entry->m_eventType) && (entry->m_fn != 0))
{
wxEvtHandler *handler =
return true;
}
}
-
- node = node->GetNext();
}
return false;
-};
+}
void wxEvtHandler::DoSetClientObject( wxClientData *data )
{
return focusWin;
}
+// ----------------------------------------------------------------------------
+// wxEventBlocker
+// ----------------------------------------------------------------------------
+
+wxEventBlocker::wxEventBlocker(wxWindow *win, wxEventType type)
+{
+ wxCHECK_RET(win, wxT("Null window given to wxEventBlocker"));
+
+ m_window = win;
+
+ Block(type);
+ m_window->PushEventHandler(this);
+}
+
+wxEventBlocker::~wxEventBlocker()
+{
+ wxEvtHandler *popped = m_window->PopEventHandler(false);
+ wxCHECK_RET(popped == this,
+ wxT("Don't push other event handlers into a window managed by wxEventBlocker!"));
+}
+
+bool wxEventBlocker::ProcessEvent(wxEvent& event)
+{
+ // should this event be blocked?
+ for ( size_t i = 0; i < m_eventsToBlock.size(); i++ )
+ {
+ wxEventType t = (wxEventType)m_eventsToBlock[i];
+ if ( t == wxEVT_ANY || t == event.GetEventType() )
+ return true; // yes, it should: mark this event as processed
+ }
+
+ return false;
+}
+
#endif // wxUSE_GUI
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