/////////////////////////////////////////////////////////////////////////////
-// 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"
+#include "wx/evtloop.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/window.h"
#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"
-
-#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
const wxEventTableEntry wxEvtHandler::sm_eventTableEntries[] =
{ DECLARE_EVENT_TABLE_ENTRY(wxEVT_NULL, 0, 0, (wxObjectEventFunction)NULL, NULL) };
+
+// 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
+{
+public:
+ wxEventTableEntryModule() { }
+ virtual bool OnInit() { return true; }
+ virtual void OnExit() { wxEventHashTable::ClearAll(); }
+
+ DECLARE_DYNAMIC_CLASS(wxEventTableEntryModule)
+};
+
+IMPLEMENT_DYNAMIC_CLASS(wxEventTableEntryModule, wxModule)
+
+#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_KILL_FOCUS)
DEFINE_EVENT_TYPE(wxEVT_CHILD_FOCUS)
DEFINE_EVENT_TYPE(wxEVT_MOUSEWHEEL)
+DEFINE_EVENT_TYPE(wxEVT_AUX1_DOWN)
+DEFINE_EVENT_TYPE(wxEVT_AUX1_UP)
+DEFINE_EVENT_TYPE(wxEVT_AUX1_DCLICK)
+DEFINE_EVENT_TYPE(wxEVT_AUX2_DOWN)
+DEFINE_EVENT_TYPE(wxEVT_AUX2_UP)
+DEFINE_EVENT_TYPE(wxEVT_AUX2_DCLICK)
// Non-client mouse events
DEFINE_EVENT_TYPE(wxEVT_NC_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_SIZING)
DEFINE_EVENT_TYPE(wxEVT_MOVE)
DEFINE_EVENT_TYPE(wxEVT_MOVING)
+DEFINE_EVENT_TYPE(wxEVT_MOVE_START)
+DEFINE_EVENT_TYPE(wxEVT_MOVE_END)
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_CREATE)
DEFINE_EVENT_TYPE(wxEVT_DESTROY)
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
// ============================================================================
// ----------------------------------------------------------------------------
/*
- * General wxWindows events, covering
+ * General wxWidgets events, covering
* all interesting things that might happen (button clicking, resizing,
* setting text in widgets, etc.).
*
}
wxEvent::wxEvent(const wxEvent &src)
- : wxObject()
+ : wxObject(src)
, m_eventObject(src.m_eventObject)
, m_eventType(src.m_eventType)
, m_timeStamp(src.m_timeStamp)
*
*/
+#ifdef __VISUALC__
+ // 'this' : used in base member initializer list (for m_commandString)
+ #pragma warning(disable:4355)
+#endif
+
wxCommandEvent::wxCommandEvent(wxEventType commandType, int theId)
: wxEvent(theId, commandType)
{
m_propagationLevel = wxEVENT_PROPAGATE_MAX;
}
+#ifdef __VISUALC__
+ #pragma warning(default:4355)
+#endif
+
+wxString wxCommandEvent::GetString() const
+{
+ if(m_eventType != wxEVT_COMMAND_TEXT_UPDATED || !m_eventObject)
+ return m_cmdString;
+ else
+ {
+#if wxUSE_TEXTCTRL
+ wxTextCtrl *txt = wxDynamicCast(m_eventObject, wxTextCtrl);
+ if(txt)
+ return txt->GetValue();
+ else
+#endif // wxUSE_TEXTCTRL
+ return m_cmdString;
+ }
+}
+
/*
* UI update events
*/
if (sm_updateInterval == -1)
return false;
- else if (sm_updateInterval == 0)
+
+ if (sm_updateInterval == 0)
return true;
- else
- {
+
#if wxUSE_STOPWATCH && wxUSE_LONGLONG
- wxLongLong now = wxGetLocalTimeMillis();
- if (now > (sm_lastUpdate + sm_updateInterval))
- {
- return true;
- }
-#else
- // If we don't have wxStopWatch or wxLongLong, we
- // should err on the safe side and update now anyway.
+ wxLongLong now = wxGetLocalTimeMillis();
+ if (now > (sm_lastUpdate + sm_updateInterval))
+ {
return true;
-#endif
}
+
return false;
+#else
+ // If we don't have wxStopWatch or wxLongLong, we
+ // should err on the safe side and update now anyway.
+ return true;
+#endif
}
// Reset the update time to provide a delay until the next
#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
*/
wxMouseEvent::wxMouseEvent(wxEventType commandType)
{
m_eventType = commandType;
- m_metaDown = false;
- m_altDown = false;
- m_controlDown = false;
- m_shiftDown = false;
- m_leftDown = false;
- m_rightDown = false;
- m_middleDown = false;
+
m_x = 0;
m_y = 0;
+
+ m_leftDown = false;
+ m_middleDown = false;
+ m_rightDown = false;
+ m_aux1Down = false;
+ m_aux2Down = false;
+
+ m_controlDown = false;
+ m_shiftDown = false;
+ m_altDown = false;
+ m_metaDown = false;
+
+ m_clickCount = -1;
+
m_wheelRotation = 0;
m_wheelDelta = 0;
m_linesPerAction = 0;
+ m_wheelAxis = 0;
}
void wxMouseEvent::Assign(const wxMouseEvent& event)
m_leftDown = event.m_leftDown;
m_middleDown = event.m_middleDown;
m_rightDown = event.m_rightDown;
+ m_aux1Down = event.m_aux1Down;
+ m_aux2Down = event.m_aux2Down;
m_controlDown = event.m_controlDown;
m_shiftDown = event.m_shiftDown;
m_wheelRotation = event.m_wheelRotation;
m_wheelDelta = event.m_wheelDelta;
m_linesPerAction = event.m_linesPerAction;
+ m_wheelAxis = event.m_wheelAxis;
}
-// True if was a button dclick event (1 = left, 2 = middle, 3 = right)
-// or any button dclick event (but = -1)
+// return true if was a button dclick event
bool wxMouseEvent::ButtonDClick(int but) const
{
switch (but)
{
- case -1:
- return (LeftDClick() || MiddleDClick() || RightDClick());
- case 1:
+ default:
+ wxFAIL_MSG(wxT("invalid parameter in wxMouseEvent::ButtonDClick"));
+ // fall through
+
+ case wxMOUSE_BTN_ANY:
+ return (LeftDClick() || MiddleDClick() || RightDClick() ||
+ Aux1DClick() || Aux2DClick());
+
+ case wxMOUSE_BTN_LEFT:
return LeftDClick();
- case 2:
+
+ case wxMOUSE_BTN_MIDDLE:
return MiddleDClick();
- case 3:
+
+ case wxMOUSE_BTN_RIGHT:
return RightDClick();
- default:
- wxFAIL_MSG(wxT("invalid parameter in wxMouseEvent::ButtonDClick"));
- }
- return false;
+ case wxMOUSE_BTN_AUX1:
+ return Aux1DClick();
+
+ case wxMOUSE_BTN_AUX2:
+ return Aux2DClick();
+ }
}
-// True if was a button down event (1 = left, 2 = middle, 3 = right)
-// or any button down event (but = -1)
+// return true if was a button down event
bool wxMouseEvent::ButtonDown(int but) const
{
switch (but)
{
- case -1:
- return (LeftDown() || MiddleDown() || RightDown());
- case 1:
+ default:
+ wxFAIL_MSG(wxT("invalid parameter in wxMouseEvent::ButtonDown"));
+ // fall through
+
+ case wxMOUSE_BTN_ANY:
+ return (LeftDown() || MiddleDown() || RightDown() ||
+ Aux1Down() || Aux2Down());
+
+ case wxMOUSE_BTN_LEFT:
return LeftDown();
- case 2:
+
+ case wxMOUSE_BTN_MIDDLE:
return MiddleDown();
- case 3:
+
+ case wxMOUSE_BTN_RIGHT:
return RightDown();
- default:
- wxFAIL_MSG(wxT("invalid parameter in wxMouseEvent::ButtonDown"));
- }
- return false;
+ case wxMOUSE_BTN_AUX1:
+ return Aux1Down();
+
+ case wxMOUSE_BTN_AUX2:
+ return Aux2Down();
+ }
}
-// True if was a button up event (1 = left, 2 = middle, 3 = right)
-// or any button up event (but = -1)
+// return true if was a button up event
bool wxMouseEvent::ButtonUp(int but) const
{
switch (but)
{
- case -1:
- return (LeftUp() || MiddleUp() || RightUp());
- case 1:
+ default:
+ wxFAIL_MSG(wxT("invalid parameter in wxMouseEvent::ButtonUp"));
+ // fall through
+
+ case wxMOUSE_BTN_ANY:
+ return (LeftUp() || MiddleUp() || RightUp() ||
+ Aux1Up() || Aux2Up());
+
+ case wxMOUSE_BTN_LEFT:
return LeftUp();
- case 2:
+
+ case wxMOUSE_BTN_MIDDLE:
return MiddleUp();
- case 3:
+
+ case wxMOUSE_BTN_RIGHT:
return RightUp();
- default:
- wxFAIL_MSG(wxT("invalid parameter in wxMouseEvent::ButtonUp"));
- }
- return false;
+ case wxMOUSE_BTN_AUX1:
+ return Aux1Up();
+
+ case wxMOUSE_BTN_AUX2:
+ return Aux2Up();
+ }
}
-// True if the given button is currently changing state
+// return true if the given button is currently changing state
bool wxMouseEvent::Button(int but) const
{
switch (but)
{
- case -1:
- return (ButtonUp(-1) || ButtonDown(-1) || ButtonDClick(-1));
- case 1:
- return (LeftDown() || LeftUp() || LeftDClick());
- case 2:
- return (MiddleDown() || MiddleUp() || MiddleDClick());
- case 3:
- return (RightDown() || RightUp() || RightDClick());
default:
wxFAIL_MSG(wxT("invalid parameter in wxMouseEvent::Button"));
- }
+ // fall through
- return false;
+ case wxMOUSE_BTN_ANY:
+ return ButtonUp(wxMOUSE_BTN_ANY) ||
+ ButtonDown(wxMOUSE_BTN_ANY) ||
+ ButtonDClick(wxMOUSE_BTN_ANY);
+
+ case wxMOUSE_BTN_LEFT:
+ return LeftDown() || LeftUp() || LeftDClick();
+
+ case wxMOUSE_BTN_MIDDLE:
+ return MiddleDown() || MiddleUp() || MiddleDClick();
+
+ case wxMOUSE_BTN_RIGHT:
+ return RightDown() || RightUp() || RightDClick();
+
+ case wxMOUSE_BTN_AUX1:
+ return Aux1Down() || Aux1Up() || Aux1DClick();
+
+ case wxMOUSE_BTN_AUX2:
+ return Aux2Down() || Aux2Up() || Aux2DClick();
+ }
}
bool wxMouseEvent::ButtonIsDown(int but) const
{
switch (but)
{
- case -1:
- return (LeftIsDown() || MiddleIsDown() || RightIsDown());
- case 1:
+ default:
+ wxFAIL_MSG(wxT("invalid parameter in wxMouseEvent::ButtonIsDown"));
+ // fall through
+
+ case wxMOUSE_BTN_ANY:
+ return LeftIsDown() || MiddleIsDown() || RightIsDown() || Aux1Down() || Aux2Down();
+
+ case wxMOUSE_BTN_LEFT:
return LeftIsDown();
- case 2:
+
+ case wxMOUSE_BTN_MIDDLE:
return MiddleIsDown();
- case 3:
+
+ case wxMOUSE_BTN_RIGHT:
return RightIsDown();
- default:
- wxFAIL_MSG(wxT("invalid parameter in wxMouseEvent::ButtonIsDown"));
- }
- return false;
+ case wxMOUSE_BTN_AUX1:
+ return Aux1IsDown();
+
+ case wxMOUSE_BTN_AUX2:
+ return Aux2IsDown();
+ }
}
int wxMouseEvent::GetButton() const
{
- for ( int i = 1; i <= 3; i++ )
+ for ( int i = 1; i < wxMOUSE_BTN_MAX; i++ )
{
if ( Button(i) )
{
}
}
- return -1;
+ return wxMOUSE_BTN_NONE;
}
// Find the logical position of the event given the DC
#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
// wxEventHashTable
// ----------------------------------------------------------------------------
-static const int EVENT_TYPE_TABLE_INIT_SIZE = 31; // Not to big not to small...
+static const int EVENT_TYPE_TABLE_INIT_SIZE = 31; // Not too big not too small...
+
+wxEventHashTable* wxEventHashTable::sm_first = NULL;
wxEventHashTable::wxEventHashTable(const wxEventTable &table)
: m_table(table),
m_rebuildHash(true)
{
AllocEventTypeTable(EVENT_TYPE_TABLE_INIT_SIZE);
+
+ m_next = sm_first;
+ if (m_next)
+ m_next->m_previous = this;
+ sm_first = this;
}
wxEventHashTable::~wxEventHashTable()
{
- size_t i;
- for(i = 0; i < m_size; i++)
+ if (m_next)
+ m_next->m_previous = m_previous;
+ if (m_previous)
+ m_previous->m_next = m_next;
+ if (sm_first == this)
+ sm_first = m_next;
+
+ Clear();
+}
+
+void wxEventHashTable::Clear()
+{
+ for ( size_t i = 0; i < m_size; i++ )
{
EventTypeTablePointer eTTnode = m_eventTypeTable[i];
- if (eTTnode)
- {
- delete eTTnode;
- }
+ delete eTTnode;
}
delete[] m_eventTypeTable;
+ m_eventTypeTable = NULL;
+
+ m_size = 0;
+}
+
+#if defined(__WXDEBUG__) && wxUSE_MEMORY_TRACING
+
+// Clear all tables
+void wxEventHashTable::ClearAll()
+{
+ wxEventHashTable* table = sm_first;
+ while (table)
+ {
+ table->Clear();
+ table = table->m_next;
+ }
}
+#endif // __WXDEBUG__ && wxUSE_MEMORY_TRACING
+
bool wxEventHashTable::HandleEvent(wxEvent &event, wxEvtHandler *self)
{
if (m_rebuildHash)
m_rebuildHash = false;
}
+ if (!m_eventTypeTable)
+ return false;
+
// Find all entries for the given event type.
wxEventType eventType = event.GetEventType();
const EventTypeTablePointer eTTnode = m_eventTypeTable[eventType % m_size];
void wxEventHashTable::AddEntry(const wxEventTableEntry &entry)
{
+ // This might happen 'accidentally' as the app is exiting
+ if (!m_eventTypeTable)
+ return;
+
EventTypeTablePointer *peTTnode = &m_eventTypeTable[entry.m_eventType % m_size];
EventTypeTablePointer eTTnode = *peTTnode;
delete[] oldEventTypeTable;
}
+
// ----------------------------------------------------------------------------
// wxEvtHandler
// ----------------------------------------------------------------------------
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()
{
-#if defined(__VISAGECPP__)
- wxENTER_CRIT_SECT( m_eventsLocker);
-#else
- wxENTER_CRIT_SECT( *m_eventsLocker);
-#endif
-
- wxList::compatibility_iterator node = m_pendingEvents->GetFirst();
- while ( node )
+ // this method is only called by wxApp if this handler does have
+ // pending events
+ wxCHECK_RET( m_pendingEvents,
+ wxT("Please call wxApp::ProcessPendingEvents() instead") );
+
+ 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
- node = m_pendingEvents->GetFirst();
+ wxENTER_CRIT_SECT( Lock() );
+
+ if ( --n == 0 )
+ break;
}
-#if defined(__VISAGECPP__)
- wxLEAVE_CRIT_SECT( m_eventsLocker);
-#else
- wxLEAVE_CRIT_SECT( *m_eventsLocker);
-#endif
+ wxLEAVE_CRIT_SECT( Lock() );
}
/*
// the event table (meaning "any") or the event id matches the id
// specified in the event table either exactly or by falling into
// range between first and last
- if ((tableId1 == -1) ||
- (tableId2 == -1 && tableId1 == event.GetId()) ||
- (tableId2 != -1 &&
+ if ((tableId1 == wxID_ANY) ||
+ (tableId2 == wxID_ANY && tableId1 == event.GetId()) ||
+ (tableId2 != wxID_ANY &&
(event.GetId() >= tableId1 && event.GetId() <= tableId2)))
{
event.Skip(false);
// 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
return TryParent(event);
}
+bool wxEvtHandler::SafelyProcessEvent(wxEvent& event)
+{
+#if wxUSE_EXCEPTIONS
+ try
+ {
+#endif
+ return ProcessEvent(event);
+#if wxUSE_EXCEPTIONS
+ }
+ catch ( ... )
+ {
+ wxEventLoopBase *loop = wxEventLoopBase::GetActive();
+ try
+ {
+ if ( !wxTheApp || !wxTheApp->OnExceptionInMainLoop() )
+ {
+ if ( loop )
+ loop->Exit();
+ }
+ //else: continue running current event loop
+
+ return false;
+ }
+ catch ( ... )
+ {
+ // OnExceptionInMainLoop() threw, possibly rethrowing the same
+ // exception again: very good, but we still need Exit() to
+ // be called
+ if ( loop )
+ loop->Exit();
+ throw;
+ }
+ }
+#endif // wxUSE_EXCEPTIONS
+}
+
bool wxEvtHandler::SearchEventTable(wxEventTable& table, wxEvent& event)
{
#endif // WXWIN_COMPATIBILITY_EVENT_TYPES/!WXWIN_COMPATIBILITY_EVENT_TYPES
if ((entry->m_id == id) &&
- ((entry->m_lastId == lastId) || (lastId == -1)) &&
+ ((entry->m_lastId == lastId) || (lastId == wxID_ANY)) &&
((entry->m_eventType == eventType) || (eventType == wxEVT_NULL)) &&
((entry->m_fn == func) || (func == (wxObjectEventFunction)NULL)) &&
((entry->m_eventSink == eventSink) || (eventSink == (wxEvtHandler*)NULL)) &&
wxDynamicEventTableEntry *entry = (wxDynamicEventTableEntry*)node->GetData();
#endif // WXWIN_COMPATIBILITY_EVENT_TYPES/!WXWIN_COMPATIBILITY_EVENT_TYPES
- if (entry->m_fn)
+ // 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 =
#if !WXWIN_COMPATIBILITY_EVENT_TYPES
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
projects / wxWidgets.git / blobdiff