// Created: 01/02/97
// RCS-ID: $Id$
// Copyright: (c) Julian Smart and Markus Holzem
-// Licence: wxWindows licence
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
+// ============================================================================
+// declarations
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// headers
+// ----------------------------------------------------------------------------
+
#ifdef __GNUG__
-#pragma implementation "event.h"
+ #pragma implementation "event.h"
#endif
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#ifdef __BORLANDC__
-#pragma hdrstop
+ #pragma hdrstop
#endif
#ifndef WX_PRECOMP
-#include "wx/defs.h"
-#include "wx/control.h"
-#include "wx/utils.h"
-#include "wx/app.h"
-#include "wx/dc.h"
+ #include "wx/defs.h"
+ #include "wx/app.h"
+ #include "wx/list.h"
+
+ #if wxUSE_GUI
+ #include "wx/control.h"
+ #include "wx/utils.h"
+ #include "wx/dc.h"
+ #endif // wxUSE_GUI
#endif
#include "wx/event.h"
-#include "wx/validate.h"
-#if !USE_SHARED_LIBRARY
+#if wxUSE_GUI
+ #include "wx/validate.h"
+#endif // wxUSE_GUI
+
+// ----------------------------------------------------------------------------
+// wxWin macros
+// ----------------------------------------------------------------------------
+
IMPLEMENT_DYNAMIC_CLASS(wxEvtHandler, wxObject)
IMPLEMENT_ABSTRACT_CLASS(wxEvent, wxObject)
-IMPLEMENT_DYNAMIC_CLASS(wxCommandEvent, wxEvent)
-IMPLEMENT_DYNAMIC_CLASS(wxScrollEvent, wxCommandEvent)
-IMPLEMENT_DYNAMIC_CLASS(wxMouseEvent, wxEvent)
-IMPLEMENT_DYNAMIC_CLASS(wxKeyEvent, wxEvent)
-IMPLEMENT_DYNAMIC_CLASS(wxSizeEvent, wxEvent)
-IMPLEMENT_DYNAMIC_CLASS(wxPaintEvent, wxEvent)
-IMPLEMENT_DYNAMIC_CLASS(wxEraseEvent, wxEvent)
-IMPLEMENT_DYNAMIC_CLASS(wxMoveEvent, wxEvent)
-IMPLEMENT_DYNAMIC_CLASS(wxFocusEvent, wxEvent)
-IMPLEMENT_DYNAMIC_CLASS(wxCloseEvent, wxEvent)
-IMPLEMENT_DYNAMIC_CLASS(wxShowEvent, wxEvent)
-IMPLEMENT_DYNAMIC_CLASS(wxMaximizeEvent, wxEvent)
-IMPLEMENT_DYNAMIC_CLASS(wxIconizeEvent, wxEvent)
-IMPLEMENT_DYNAMIC_CLASS(wxMenuEvent, wxEvent)
-IMPLEMENT_DYNAMIC_CLASS(wxJoystickEvent, wxEvent)
-IMPLEMENT_DYNAMIC_CLASS(wxDropFilesEvent, wxEvent)
-IMPLEMENT_DYNAMIC_CLASS(wxActivateEvent, wxEvent)
-IMPLEMENT_DYNAMIC_CLASS(wxInitDialogEvent, wxEvent)
-IMPLEMENT_DYNAMIC_CLASS(wxSysColourChangedEvent, wxEvent)
IMPLEMENT_DYNAMIC_CLASS(wxIdleEvent, wxEvent)
-IMPLEMENT_DYNAMIC_CLASS(wxUpdateUIEvent, wxEvent)
-IMPLEMENT_DYNAMIC_CLASS(wxNavigationKeyEvent, wxCommandEvent)
-IMPLEMENT_DYNAMIC_CLASS(wxPaletteChangedEvent, wxEvent)
-IMPLEMENT_DYNAMIC_CLASS(wxQueryNewPaletteEvent, wxEvent)
-const wxEventTable *wxEvtHandler::GetEventTable() const { return &wxEvtHandler::sm_eventTable; }
+#if wxUSE_GUI
+ IMPLEMENT_DYNAMIC_CLASS(wxCommandEvent, wxEvent)
+ IMPLEMENT_DYNAMIC_CLASS(wxNotifyEvent, wxCommandEvent)
+ IMPLEMENT_DYNAMIC_CLASS(wxScrollEvent, wxCommandEvent)
+ IMPLEMENT_DYNAMIC_CLASS(wxScrollWinEvent, wxEvent)
+ IMPLEMENT_DYNAMIC_CLASS(wxMouseEvent, wxEvent)
+ IMPLEMENT_DYNAMIC_CLASS(wxKeyEvent, wxEvent)
+ IMPLEMENT_DYNAMIC_CLASS(wxSizeEvent, wxEvent)
+ IMPLEMENT_DYNAMIC_CLASS(wxPaintEvent, wxEvent)
+ IMPLEMENT_DYNAMIC_CLASS(wxEraseEvent, wxEvent)
+ IMPLEMENT_DYNAMIC_CLASS(wxMoveEvent, wxEvent)
+ IMPLEMENT_DYNAMIC_CLASS(wxFocusEvent, wxEvent)
+ IMPLEMENT_DYNAMIC_CLASS(wxCloseEvent, wxEvent)
+ IMPLEMENT_DYNAMIC_CLASS(wxShowEvent, wxEvent)
+ IMPLEMENT_DYNAMIC_CLASS(wxMaximizeEvent, wxEvent)
+ IMPLEMENT_DYNAMIC_CLASS(wxIconizeEvent, wxEvent)
+ IMPLEMENT_DYNAMIC_CLASS(wxMenuEvent, wxEvent)
+ IMPLEMENT_DYNAMIC_CLASS(wxJoystickEvent, wxEvent)
+ IMPLEMENT_DYNAMIC_CLASS(wxDropFilesEvent, wxEvent)
+ IMPLEMENT_DYNAMIC_CLASS(wxActivateEvent, wxEvent)
+ IMPLEMENT_DYNAMIC_CLASS(wxInitDialogEvent, wxEvent)
+ IMPLEMENT_DYNAMIC_CLASS(wxSysColourChangedEvent, wxEvent)
+ IMPLEMENT_DYNAMIC_CLASS(wxUpdateUIEvent, wxCommandEvent)
+ IMPLEMENT_DYNAMIC_CLASS(wxNavigationKeyEvent, wxCommandEvent)
+ IMPLEMENT_DYNAMIC_CLASS(wxPaletteChangedEvent, wxEvent)
+ IMPLEMENT_DYNAMIC_CLASS(wxQueryNewPaletteEvent, wxEvent)
+ IMPLEMENT_DYNAMIC_CLASS(wxWindowCreateEvent, wxEvent)
+ IMPLEMENT_DYNAMIC_CLASS(wxWindowDestroyEvent, wxEvent)
+#endif // wxUSE_GUI
+
+const wxEventTable *wxEvtHandler::GetEventTable() const
+ { return &wxEvtHandler::sm_eventTable; }
const wxEventTable wxEvtHandler::sm_eventTable =
- { NULL, &wxEvtHandler::sm_eventTableEntries[0] };
+ { (const wxEventTable *)NULL, &wxEvtHandler::sm_eventTableEntries[0] };
-const wxEventTableEntry wxEvtHandler::sm_eventTableEntries[] = { { 0, 0, 0, NULL } };
+const wxEventTableEntry wxEvtHandler::sm_eventTableEntries[] =
+ { { 0, 0, 0, (wxObjectEventFunction) NULL, (wxObject*) NULL } };
+
+// ----------------------------------------------------------------------------
+// global variables
+// ----------------------------------------------------------------------------
+
+// To put pending event handlers
+wxList *wxPendingEvents = (wxList *)NULL;
+
+#if wxUSE_THREADS
+ // protects wxPendingEvents list
+ wxCriticalSection *wxPendingEventsLocker = (wxCriticalSection *)NULL;
#endif
+// ============================================================================
+// implementation
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// wxEvent
+// ----------------------------------------------------------------------------
+
/*
* General wxWindows events, covering
* all interesting things that might happen (button clicking, resizing,
wxEvent::wxEvent(int theId)
{
- m_eventType = wxEVT_NULL;
- m_eventObject = NULL;
- m_eventHandle = NULL;
- m_timeStamp = 0;
- m_id = theId;
- m_skipped = FALSE;
- m_callbackUserData = NULL;
+ m_eventType = wxEVT_NULL;
+ m_eventObject = (wxObject *) NULL;
+ m_timeStamp = 0;
+ m_id = theId;
+ m_skipped = FALSE;
+ m_callbackUserData = (wxObject *) NULL;
+ m_isCommandEvent = FALSE;
+}
+
+void wxEvent::CopyObject(wxObject& object_dest) const
+{
+ wxEvent *obj = (wxEvent *)&object_dest;
+ wxObject::CopyObject(object_dest);
+
+ obj->m_eventType = m_eventType;
+ obj->m_eventObject = m_eventObject;
+ obj->m_timeStamp = m_timeStamp;
+ obj->m_id = m_id;
+ obj->m_skipped = m_skipped;
+ obj->m_callbackUserData = m_callbackUserData;
+ obj->m_isCommandEvent = m_isCommandEvent;
}
+#if wxUSE_GUI
+
/*
* Command events
*
wxCommandEvent::wxCommandEvent(wxEventType commandType, int theId)
{
- m_eventType = commandType;
- m_clientData = NULL;
- m_extraLong = 0;
- m_commandInt = 0;
- m_id = theId;
- m_commandString = NULL;
+ m_eventType = commandType;
+ m_clientData = (char *) NULL;
+ m_clientObject = (wxClientData *) NULL;
+ m_extraLong = 0;
+ m_commandInt = 0;
+ m_id = theId;
+ m_commandString = wxEmptyString;
+ m_isCommandEvent = TRUE;
+}
+
+void wxCommandEvent::CopyObject(wxObject& obj_d) const
+{
+ wxCommandEvent *obj = (wxCommandEvent *)&obj_d;
+
+ wxEvent::CopyObject(obj_d);
+
+ obj->m_clientData = m_clientData;
+ obj->m_clientObject = m_clientObject;
+ obj->m_extraLong = m_extraLong;
+ obj->m_commandInt = m_commandInt;
+ obj->m_commandString = m_commandString;
+}
+
+/*
+ * Notify events
+ */
+
+void wxNotifyEvent::CopyObject(wxObject& obj_d) const
+{
+ wxNotifyEvent *obj = (wxNotifyEvent *)&obj_d;
+
+ wxEvent::CopyObject(obj_d);
+
+ if (!m_bAllow) obj->Veto();
}
/*
* Scroll events
*/
-wxScrollEvent::wxScrollEvent(wxEventType commandType, int id, int pos, int orient):
- wxCommandEvent(commandType, id)
+wxScrollEvent::wxScrollEvent(wxEventType commandType,
+ int id,
+ int pos,
+ int orient)
+ : wxCommandEvent(commandType, id)
{
- m_extraLong = orient;
- m_commandInt = pos;
+ m_extraLong = orient;
+ m_commandInt = pos;
}
+/*
+ * ScrollWin events
+ */
+
+wxScrollWinEvent::wxScrollWinEvent(wxEventType commandType,
+ int pos,
+ int orient)
+{
+ m_eventType = commandType;
+ m_extraLong = orient;
+ m_commandInt = pos;
+}
+
+void wxScrollWinEvent::CopyObject(wxObject& obj_d) const
+{
+ wxScrollWinEvent *obj = (wxScrollWinEvent*)&obj_d;
+
+ wxEvent::CopyObject(obj_d);
+
+ obj->m_extraLong = m_extraLong;
+ obj->m_commandInt = m_commandInt;
+}
/*
* Mouse events
wxMouseEvent::wxMouseEvent(wxEventType commandType)
{
- m_eventType = commandType;
- m_metaDown = FALSE;
- m_altDown = FALSE;
- m_controlDown = FALSE;
- m_shiftDown = FALSE;
+ 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;
+}
+
+void wxMouseEvent::CopyObject(wxObject& obj_d) const
+{
+ wxMouseEvent *obj = (wxMouseEvent *)&obj_d;
+
+ wxEvent::CopyObject(obj_d);
+
+ obj->m_metaDown = m_metaDown;
+ obj->m_altDown = m_altDown;
+ obj->m_controlDown = m_controlDown;
+ obj->m_shiftDown = m_shiftDown;
+ obj->m_leftDown = m_leftDown;
+ obj->m_rightDown = m_rightDown;
+ obj->m_middleDown = m_middleDown;
+ obj->m_x = m_x;
+ obj->m_y = m_y;
}
// True if was a button dclick event (1 = left, 2 = middle, 3 = right)
// or any button dclick event (but = -1)
bool wxMouseEvent::ButtonDClick(int but) const
{
- switch (but) {
- case -1:
- return (LeftDClick() || MiddleDClick() || RightDClick());
- case 1:
- return LeftDClick();
- case 2:
- return MiddleDClick();
- case 3:
- return RightDClick();
- default:
- return FALSE;
- }
- // NOTREACHED
+ switch (but)
+ {
+ case -1:
+ return (LeftDClick() || MiddleDClick() || RightDClick());
+ case 1:
+ return LeftDClick();
+ case 2:
+ return MiddleDClick();
+ case 3:
+ return RightDClick();
+ default:
+ wxFAIL_MSG(wxT("invalid parameter in wxMouseEvent::ButtonDClick"));
+ }
+
+ return FALSE;
}
// True if was a button down event (1 = left, 2 = middle, 3 = right)
// or any button down event (but = -1)
bool wxMouseEvent::ButtonDown(int but) const
{
- switch (but) {
- case -1:
- return (LeftDown() || MiddleDown() || RightDown());
- case 1:
- return LeftDown();
- case 2:
- return MiddleDown();
- case 3:
- return RightDown();
- default:
- return FALSE;
- }
- // NOTREACHED
+ switch (but)
+ {
+ case -1:
+ return (LeftDown() || MiddleDown() || RightDown());
+ case 1:
+ return LeftDown();
+ case 2:
+ return MiddleDown();
+ case 3:
+ return RightDown();
+ default:
+ wxFAIL_MSG(wxT("invalid parameter in wxMouseEvent::ButtonDown"));
+ }
+
+ return FALSE;
}
// True if was a button up event (1 = left, 2 = middle, 3 = right)
// or any button up event (but = -1)
bool wxMouseEvent::ButtonUp(int but) const
{
- switch (but) {
- case -1:
- return (LeftUp() || MiddleUp() || RightUp());
- case 1:
- return LeftUp();
- case 2:
- return MiddleUp();
- case 3:
- return RightUp();
- default:
- return FALSE;
- }
- // NOTREACHED
+ switch (but) {
+ case -1:
+ return (LeftUp() || MiddleUp() || RightUp());
+ case 1:
+ return LeftUp();
+ case 2:
+ return MiddleUp();
+ case 3:
+ return RightUp();
+ default:
+ wxFAIL_MSG(wxT("invalid parameter in wxMouseEvent::ButtonUp"));
+ }
+
+ return FALSE;
}
// 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:
- return FALSE;
- }
- // NOTREACHED
+ 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"));
+ }
+
+ return FALSE;
}
bool wxMouseEvent::ButtonIsDown(int but) const
{
- switch (but) {
- case -1:
- return (LeftIsDown() || MiddleIsDown() || RightIsDown());
- case 1:
- return LeftIsDown();
- case 2:
- return MiddleIsDown();
- case 3:
- return RightIsDown();
- default:
- return FALSE;
- }
- // NOTREACHED
+ switch (but) {
+ case -1:
+ return (LeftIsDown() || MiddleIsDown() || RightIsDown());
+ case 1:
+ return LeftIsDown();
+ case 2:
+ return MiddleIsDown();
+ case 3:
+ return RightIsDown();
+ default:
+ wxFAIL_MSG(wxT("invalid parameter in wxMouseEvent::ButtonIsDown"));
+ }
+
+ return FALSE;
}
// Find the logical position of the event given the DC
wxKeyEvent::wxKeyEvent(wxEventType type)
{
- m_eventType = type;
- m_shiftDown = FALSE;
- m_controlDown = FALSE;
- m_metaDown = FALSE;
- m_altDown = FALSE;
- m_keyCode = 0;
+ m_eventType = type;
+ m_shiftDown = FALSE;
+ m_controlDown = FALSE;
+ m_metaDown = FALSE;
+ m_altDown = FALSE;
+ m_keyCode = 0;
+ m_scanCode = 0;
+}
+
+void wxKeyEvent::CopyObject(wxObject& obj_d) const
+{
+ wxKeyEvent *obj = (wxKeyEvent *)&obj_d;
+ wxEvent::CopyObject(obj_d);
+
+ obj->m_x = m_x;
+ obj->m_y = m_y;
+ obj->m_keyCode = m_keyCode;
+
+ obj->m_shiftDown = m_shiftDown;
+ obj->m_controlDown = m_controlDown;
+ obj->m_metaDown = m_metaDown;
+ obj->m_altDown = m_altDown;
+ obj->m_keyCode = m_keyCode;
+}
+
+
+/*
+ * Misc events
+ */
+
+void wxSizeEvent::CopyObject(wxObject& obj_d) const
+{
+ wxSizeEvent *obj = (wxSizeEvent *)&obj_d;
+ wxEvent::CopyObject(obj_d);
+
+ obj->m_size = m_size;
+}
+
+void wxMoveEvent::CopyObject(wxObject& obj_d) const
+{
+ wxMoveEvent *obj = (wxMoveEvent *)&obj_d;
+ wxEvent::CopyObject(obj_d);
+
+ obj->m_pos = m_pos;
+}
+
+void wxEraseEvent::CopyObject(wxObject& obj_d) const
+{
+ wxEraseEvent *obj = (wxEraseEvent *)&obj_d;
+ wxEvent::CopyObject(obj_d);
+
+ obj->m_dc = m_dc;
+}
+
+void wxActivateEvent::CopyObject(wxObject& obj_d) const
+{
+ wxActivateEvent *obj = (wxActivateEvent *)&obj_d;
+ wxEvent::CopyObject(obj_d);
+
+ obj->m_active = m_active;
+}
+
+void wxMenuEvent::CopyObject(wxObject& obj_d) const
+{
+ wxMenuEvent *obj = (wxMenuEvent *)&obj_d;
+ wxEvent::CopyObject(obj_d);
+
+ obj->m_menuId = m_menuId;
+}
+
+void wxCloseEvent::CopyObject(wxObject& obj_d) const
+{
+ wxCloseEvent *obj = (wxCloseEvent *)&obj_d;
+ wxEvent::CopyObject(obj_d);
+
+ obj->m_loggingOff = m_loggingOff;
+ obj->m_veto = m_veto;
+#if WXWIN_COMPATIBILITY
+ obj->m_force = m_force;
+#endif
+ obj->m_canVeto = m_canVeto;
+}
+
+void wxShowEvent::CopyObject(wxObject& obj_d) const
+{
+ wxShowEvent *obj = (wxShowEvent *)&obj_d;
+ wxEvent::CopyObject(obj_d);
+
+ obj->m_show = m_show;
+}
+
+void wxJoystickEvent::CopyObject(wxObject& obj_d) const
+{
+ wxJoystickEvent *obj = (wxJoystickEvent *)&obj_d;
+ wxEvent::CopyObject(obj_d);
+
+ obj->m_pos = m_pos;
+ obj->m_zPosition = m_zPosition;
+ obj->m_buttonChange = m_buttonChange;
+ obj->m_buttonState = m_buttonState;
+ obj->m_joyStick = m_joyStick;
+}
+
+void wxDropFilesEvent::CopyObject(wxObject& obj_d) const
+{
+ wxDropFilesEvent *obj = (wxDropFilesEvent *)&obj_d;
+ wxEvent::CopyObject(obj_d);
+
+ obj->m_noFiles = m_noFiles;
+ obj->m_pos = m_pos;
+ // TODO: Problem with obj->m_files. It should be deallocated by the
+ // destructor of the event.
+}
+
+void wxUpdateUIEvent::CopyObject(wxObject &obj_d) const
+{
+ wxUpdateUIEvent *obj = (wxUpdateUIEvent *)&obj_d;
+ wxEvent::CopyObject(obj_d);
+
+ obj->m_checked = m_checked;
+ obj->m_enabled = m_enabled;
+ obj->m_text = m_text;
+ obj->m_setText = m_setText;
+ obj->m_setChecked = m_setChecked;
+ obj->m_setEnabled = m_setEnabled;
+}
+
+void wxPaletteChangedEvent::CopyObject(wxObject &obj_d) const
+{
+ wxPaletteChangedEvent *obj = (wxPaletteChangedEvent *)&obj_d;
+ wxEvent::CopyObject(obj_d);
+
+ obj->m_changedWindow = m_changedWindow;
+}
+
+void wxQueryNewPaletteEvent::CopyObject(wxObject& obj_d) const
+{
+ wxQueryNewPaletteEvent *obj = (wxQueryNewPaletteEvent *)&obj_d;
+ wxEvent::CopyObject(obj_d);
+
+ obj->m_paletteRealized = m_paletteRealized;
+}
+
+wxWindowCreateEvent::wxWindowCreateEvent(wxWindow *win)
+{
+ SetEventType(wxEVT_CREATE);
+ SetEventObject(win);
+}
+
+wxWindowDestroyEvent::wxWindowDestroyEvent(wxWindow *win)
+{
+ SetEventType(wxEVT_DESTROY);
+ SetEventObject(win);
+}
+
+#endif // wxUSE_GUI
+
+void wxIdleEvent::CopyObject(wxObject& obj_d) const
+{
+ wxIdleEvent *obj = (wxIdleEvent *)&obj_d;
+ wxEvent::CopyObject(obj_d);
+
+ obj->m_requestMore = m_requestMore;
}
/*
* Event handler
*/
-wxEvtHandler::wxEvtHandler(void)
+wxEvtHandler::wxEvtHandler()
+{
+ m_nextHandler = (wxEvtHandler *) NULL;
+ m_previousHandler = (wxEvtHandler *) NULL;
+ m_enabled = TRUE;
+ m_dynamicEvents = (wxList *) NULL;
+ m_isWindow = FALSE;
+ m_pendingEvents = (wxList *) NULL;
+#if wxUSE_THREADS
+# if !defined(__VISAGECPP__)
+ m_eventsLocker = new wxCriticalSection;
+# endif
+#endif
+}
+
+wxEvtHandler::~wxEvtHandler()
{
- m_clientData = NULL;
- m_nextHandler = NULL;
- m_previousHandler = NULL;
- m_enabled = TRUE;
- m_dynamicEvents = NULL;
+ // Takes itself out of the list of handlers
+ if (m_previousHandler)
+ m_previousHandler->m_nextHandler = m_nextHandler;
+
+ if (m_nextHandler)
+ m_nextHandler->m_previousHandler = m_previousHandler;
+
+ if (m_dynamicEvents)
+ {
+ wxNode *node = m_dynamicEvents->First();
+ while (node)
+ {
+ wxEventTableEntry *entry = (wxEventTableEntry*)node->Data();
+ if (entry->m_callbackUserData) delete entry->m_callbackUserData;
+ delete entry;
+ node = node->Next();
+ }
+ delete m_dynamicEvents;
+ };
+
+ delete m_pendingEvents;
+
+#if wxUSE_THREADS
+# if !defined(__VISAGECPP__)
+ delete m_eventsLocker;
+# endif
+#endif
+}
+
+#if wxUSE_THREADS
+
+bool wxEvtHandler::ProcessThreadEvent(wxEvent& event)
+{
+ // check that we are really in a child thread
+ wxASSERT_MSG( !wxThread::IsMain(),
+ wxT("use ProcessEvent() in main thread") );
+
+ AddPendingEvent(event);
+
+ return TRUE;
}
-wxEvtHandler::~wxEvtHandler(void)
+#endif // wxUSE_THREADS
+
+void wxEvtHandler::AddPendingEvent(wxEvent& event)
{
- // Takes itself out of the list of handlers
- if (m_previousHandler)
- m_previousHandler->m_nextHandler = m_nextHandler;
+ // 1) Add event to list of pending events of this event handler
+
+#if defined(__VISAGECPP__)
+ wxENTER_CRIT_SECT( m_eventsLocker);
+#else
+ wxENTER_CRIT_SECT( *m_eventsLocker);
+#endif
+
+ if ( !m_pendingEvents )
+ m_pendingEvents = new wxList;
+
+ wxEvent *event2 = (wxEvent *)event.Clone();
+
+ m_pendingEvents->Append(event2);
+
+#if defined(__VISAGECPP__)
+ wxLEAVE_CRIT_SECT( m_eventsLocker);
+#else
+ wxLEAVE_CRIT_SECT( *m_eventsLocker);
+#endif
+
+ // 2) Add this event handler to list of event handlers that
+ // have pending events.
+
+ wxENTER_CRIT_SECT(*wxPendingEventsLocker);
+
+ if ( !wxPendingEvents )
+ wxPendingEvents = new wxList;
+ wxPendingEvents->Append(this);
- if (m_nextHandler)
- m_nextHandler->m_previousHandler = m_previousHandler;
+ wxLEAVE_CRIT_SECT(*wxPendingEventsLocker);
- if (m_dynamicEvents)
- {
- wxNode *node = m_dynamicEvents->First();
- while (node)
+ // 3) Inform the system that new pending events are somwehere,
+ // 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
+
+ wxNode *node = m_pendingEvents->First();
+ while ( node )
{
- wxEventTableEntry *entry = (wxEventTableEntry*)node->Data();
- if (entry->m_callbackUserData) delete entry->m_callbackUserData;
- delete entry;
- node = node->Next();
+ wxEvent *event = (wxEvent *)node->Data();
+ delete 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
+ ProcessEvent(*event);
+ delete event;
+#if defined(__VISAGECPP__)
+ wxENTER_CRIT_SECT( m_eventsLocker);
+#else
+ wxENTER_CRIT_SECT( *m_eventsLocker);
+#endif
+
+ node = m_pendingEvents->First();
}
- delete m_dynamicEvents;
- };
+
+#if defined(__VISAGECPP__)
+ wxLEAVE_CRIT_SECT( m_eventsLocker);
+#else
+ wxLEAVE_CRIT_SECT( *m_eventsLocker);
+#endif
}
/*
bool wxEvtHandler::ProcessEvent(wxEvent& event)
{
- // An event handler can be enabled or disabled
- if ( GetEvtHandlerEnabled() )
- {
- // Handle per-instance dynamic event tables first
-
- if (SearchDynamicEventTable( event )) return TRUE;
-
- // Then static per-class event tables
-
- const wxEventTable *table = GetEventTable();
-
- // Try the associated validator first, if this is a window.
- // Problem: if the event handler of the window has been replaced,
- // this wxEvtHandler may no longer be a window.
- // Therefore validators won't be processed if the handler
- // has been replaced with SetEventHandler.
- // THIS CAN BE CURED if PushEventHandler is used instead of
- // SetEventHandler, and then processing will be passed down the
- // chain of event handlers.
- if (IsKindOf(CLASSINFO(wxWindow)))
+#if wxUSE_GUI
+ // check that our flag corresponds to reality
+ wxASSERT( m_isWindow == IsKindOf(CLASSINFO(wxWindow)) );
+#endif // wxUSE_GUI
+
+ // An event handler can be enabled or disabled
+ if ( GetEvtHandlerEnabled() )
{
- wxWindow *win = (wxWindow *)this;
+
+#if 0
+/*
+ What is this? When using GUI threads, a non main
+ threads can send an event and process it itself.
+ This breaks GTK's GUI threads, so please explain.
+*/
+
+ // Check whether we are in a child thread.
+ if ( !wxThread::IsMain() )
+ return ProcessThreadEvent(event);
+#endif
- // Can only use the validator of the window which
- // is receiving the event
- if ( (win == event.GetEventObject()) &&
- win->GetValidator() &&
- win->GetValidator()->ProcessEvent(event))
+ // Handle per-instance dynamic event tables first
+ if ( m_dynamicEvents && SearchDynamicEventTable(event) )
return TRUE;
- }
- // Search upwards through the inheritance hierarchy
- while (table)
- {
- if (SearchEventTable((wxEventTable&)*table, event))
- return TRUE;
- table = table->baseTable;
+ // Then static per-class event tables
+ const wxEventTable *table = GetEventTable();
+
+#if wxUSE_GUI && wxUSE_VALIDATORS
+ // Try the associated validator first, if this is a window.
+ // Problem: if the event handler of the window has been replaced,
+ // this wxEvtHandler may no longer be a window.
+ // Therefore validators won't be processed if the handler
+ // has been replaced with SetEventHandler.
+ // THIS CAN BE CURED if PushEventHandler is used instead of
+ // SetEventHandler, and then processing will be passed down the
+ // chain of event handlers.
+ if (m_isWindow)
+ {
+ wxWindow *win = (wxWindow *)this;
+
+ // Can only use the validator of the window which
+ // is receiving the event
+ if ( win == event.GetEventObject() )
+ {
+ wxValidator *validator = win->GetValidator();
+ if ( validator && validator->ProcessEvent(event) )
+ {
+ return TRUE;
+ }
+ }
+ }
+#endif
+
+ // Search upwards through the inheritance hierarchy
+ while (table)
+ {
+ if ( SearchEventTable((wxEventTable&)*table, event) )
+ return TRUE;
+ table = table->baseTable;
+ }
}
- }
- // Try going down the event handler chain
- if ( GetNextHandler() )
- {
+ // Try going down the event handler chain
+ if ( GetNextHandler() )
+ {
if ( GetNextHandler()->ProcessEvent(event) )
return TRUE;
- }
-
- // Carry on up the parent-child hierarchy,
- // but only if event is a command event: it wouldn't
- // make sense for a parent to receive a child's size event, for example
- if (IsKindOf(CLASSINFO(wxWindow)) && event.IsKindOf(CLASSINFO(wxCommandEvent)))
- {
- wxWindow *win = (wxWindow *)this;
- wxWindow *parent = win->GetParent();
- if (parent && !parent->IsBeingDeleted())
- return win->GetParent()->GetEventHandler()->ProcessEvent(event);
- }
-
- // Last try - application object
- if (wxTheApp && this != wxTheApp && wxTheApp->ProcessEvent(event))
- return TRUE;
- else
+ }
+
+#if wxUSE_GUI
+ // Carry on up the parent-child hierarchy,
+ // but only if event is a command event: it wouldn't
+ // make sense for a parent to receive a child's size event, for example
+ if ( m_isWindow && event.IsCommandEvent() )
+ {
+ wxWindow *win = (wxWindow *)this;
+ wxWindow *parent = win->GetParent();
+ if (parent && !parent->IsBeingDeleted())
+ return parent->GetEventHandler()->ProcessEvent(event);
+ }
+#endif // wxUSE_GUI
+
+ // Last try - application object.
+ if ( wxTheApp && (this != wxTheApp) )
+ {
+ // Special case: don't pass wxEVT_IDLE to wxApp, since it'll always
+ // swallow it. wxEVT_IDLE is sent explicitly to wxApp so it will be
+ // processed appropriately via SearchEventTable.
+ if ( event.GetEventType() != wxEVT_IDLE )
+ {
+ if ( wxTheApp->ProcessEvent(event) )
+ return TRUE;
+ }
+ }
+
return FALSE;
}
bool wxEvtHandler::SearchEventTable(wxEventTable& table, wxEvent& event)
{
- int i = 0;
- int commandId = event.GetId();
-
- while (table.entries[i].m_fn != NULL)
- {
-// wxEventType eventType = (wxEventType) table.entries[i].m_eventType;
-
- if ((event.GetEventType() == table.entries[i].m_eventType) &&
- (table.entries[i].m_id == -1 || // Match, if event spec says any id will do (id == -1)
- (table.entries[i].m_lastId == -1 && commandId == table.entries[i].m_id) ||
- (table.entries[i].m_lastId != -1 &&
- (commandId >= table.entries[i].m_id && commandId <= table.entries[i].m_lastId))))
+ wxEventType eventType = event.GetEventType();
+ int eventId = event.GetId();
+
+ // BC++ doesn't like testing for m_fn without != 0
+ for ( int i = 0; table.entries[i].m_fn != 0; i++ )
{
- event.Skip(FALSE);
- event.m_callbackUserData = table.entries[i].m_callbackUserData;
-
- (this->*((wxEventFunction) (table.entries[i].m_fn)))(event);
+ // the line using reference exposes a bug in gcc: although it _seems_
+ // to work, it leads to weird crashes later on during program
+ // execution
+#ifdef __GNUG__
+ wxEventTableEntry entry = table.entries[i];
+#else
+ const wxEventTableEntry& entry = table.entries[i];
+#endif
- if ( event.GetSkipped() )
- return FALSE;
- else
- return TRUE;
+ // match only if the event type is the same and the id is either -1 in
+ // 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 ( eventType == entry.m_eventType )
+ {
+ int tableId1 = entry.m_id,
+ tableId2 = entry.m_lastId;
+
+ if ( (tableId1 == -1) ||
+ (tableId2 == -1 && eventId == tableId1) ||
+ (tableId2 != -1 &&
+ (eventId >= tableId1 && eventId <= tableId2)) )
+ {
+ event.Skip(FALSE);
+ event.m_callbackUserData = entry.m_callbackUserData;
+
+ (this->*((wxEventFunction) (entry.m_fn)))(event);
+
+ return !event.GetSkipped();
+ }
+ }
}
- i ++;
- }
- return FALSE;
+
+ return FALSE;
}
void wxEvtHandler::Connect( int id, int lastId,
- int eventType,
- wxObjectEventFunction func,
- wxObject *userData )
-{
- wxEventTableEntry *entry = new wxEventTableEntry;
- entry->m_id = id;
- entry->m_lastId = lastId;
- entry->m_eventType = eventType;
- entry->m_fn = func;
- entry->m_callbackUserData = userData;
-
- if (!m_dynamicEvents)
- m_dynamicEvents = new wxList;
-
- m_dynamicEvents->Append( (wxObject*) entry );
+ wxEventType eventType,
+ wxObjectEventFunction func,
+ wxObject *userData )
+{
+ wxEventTableEntry *entry = new wxEventTableEntry;
+ entry->m_id = id;
+ entry->m_lastId = lastId;
+ entry->m_eventType = eventType;
+ entry->m_fn = func;
+ entry->m_callbackUserData = userData;
+
+ if (!m_dynamicEvents)
+ m_dynamicEvents = new wxList;
+
+ m_dynamicEvents->Append( (wxObject*) entry );
}
-bool wxEvtHandler::SearchDynamicEventTable( wxEvent& event )
+bool wxEvtHandler::Disconnect( int id, int lastId, wxEventType eventType,
+ wxObjectEventFunction func,
+ wxObject *userData )
{
- if (!m_dynamicEvents) return FALSE;
-
- int commandId = event.GetId();
+ if (!m_dynamicEvents)
+ return FALSE;
- wxNode *node = m_dynamicEvents->First();
- while (node)
- {
- wxEventTableEntry *entry = (wxEventTableEntry*)node->Data();
-
-// wxEventType eventType = (wxEventType) entry->m_eventType;
-
- if (entry->m_fn)
+ wxNode *node = m_dynamicEvents->First();
+ while (node)
{
- if ((event.GetEventType() == entry->m_eventType) &&
- (entry->m_id == -1 || // Match, if event spec says any id will do (id == -1)
- (entry->m_lastId == -1 && commandId == entry->m_id) ||
- (entry->m_lastId != -1 &&
- (commandId >= entry->m_id && commandId <= entry->m_lastId))))
- {
- event.Skip(FALSE);
- event.m_callbackUserData = entry->m_callbackUserData;
-
- (this->*((wxEventFunction) (entry->m_fn)))(event);
-
- if (event.GetSkipped())
- return FALSE;
- else
+ wxEventTableEntry *entry = (wxEventTableEntry*)node->Data();
+ if ((entry->m_id == id) &&
+ ((entry->m_lastId == lastId) || (lastId == -1)) &&
+ ((entry->m_eventType == eventType) || (eventType == wxEVT_NULL)) &&
+ ((entry->m_fn == func) || (func == (wxObjectEventFunction)NULL)) &&
+ ((entry->m_callbackUserData == userData) || (userData == (wxObject*)NULL)))
+ {
+ if (entry->m_callbackUserData) delete entry->m_callbackUserData;
+ m_dynamicEvents->DeleteNode( node );
+ delete entry;
return TRUE;
- }
- };
- node = node->Next();
- }
- return FALSE;
+ }
+ node = node->Next();
+ }
+ return FALSE;
+}
+
+bool wxEvtHandler::SearchDynamicEventTable( wxEvent& event )
+{
+ wxCHECK_MSG( m_dynamicEvents, FALSE,
+ wxT("caller should check that we have dynamic events") );
+
+ int commandId = event.GetId();
+
+ wxNode *node = m_dynamicEvents->First();
+ while (node)
+ {
+ wxEventTableEntry *entry = (wxEventTableEntry*)node->Data();
+
+ if (entry->m_fn)
+ {
+ // Match, if event spec says any id will do (id == -1)
+ if ( (event.GetEventType() == entry->m_eventType) &&
+ (entry->m_id == -1 ||
+ (entry->m_lastId == -1 && commandId == entry->m_id) ||
+ (entry->m_lastId != -1 &&
+ (commandId >= entry->m_id && commandId <= entry->m_lastId))) )
+ {
+ event.Skip(FALSE);
+ event.m_callbackUserData = entry->m_callbackUserData;
+
+ (this->*((wxEventFunction) (entry->m_fn)))(event);
+
+ if (event.GetSkipped())
+ return FALSE;
+ else
+ return TRUE;
+ }
+ }
+ node = node->Next();
+ }
+ return FALSE;
};
-bool wxEvtHandler::OnClose(void)
+#if WXWIN_COMPATIBILITY
+bool wxEvtHandler::OnClose()
{
- if (GetNextHandler()) return GetNextHandler()->OnClose();
- else return FALSE;
+ if (GetNextHandler())
+ return GetNextHandler()->OnClose();
+ else
+ return FALSE;
}
+#endif // WXWIN_COMPATIBILITY
+#if wxUSE_GUI
+
+// Find a window with the focus, that is also a descendant of the given window.
+// This is used to determine the window to initially send commands to.
+wxWindow* wxFindFocusDescendant(wxWindow* ancestor)
+{
+ // Process events starting with the window with the focus, if any.
+ wxWindow* focusWin = wxWindow::FindFocus();
+ wxWindow* win = focusWin;
+
+ // Check if this is a descendant of this frame.
+ // If not, win will be set to NULL.
+ while (win)
+ {
+ if (win == ancestor)
+ break;
+ else
+ win = win->GetParent();
+ }
+ if (win == (wxWindow*) NULL)
+ focusWin = (wxWindow*) NULL;
+
+ return focusWin;
+}
+#endif // wxUSE_GUI
projects / wxWidgets.git / blobdiff