/////////////////////////////////////////////////////////////////////////////
-// Name: event.cpp
+// Name: src/common/event.cpp
// Purpose: Event classes
// Author: Julian Smart
// Modified by:
// Created: 01/02/97
// RCS-ID: $Id$
-// Copyright: (c) Julian Smart and Markus Holzem
-// Licence: wxWindows licence
+// Copyright: (c) Julian Smart
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
-#ifdef __GNUG__
- #pragma implementation "event.h"
-#endif
+// ============================================================================
+// declarations
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// headers
+// ----------------------------------------------------------------------------
// 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/control.h"
- #include "wx/utils.h"
+ #include "wx/list.h"
#include "wx/app.h"
- #include "wx/dc.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/dc.h"
+ #include "wx/textctrl.h"
+ #include "wx/validate.h"
+ #endif // wxUSE_GUI
#endif
-#include "wx/event.h"
-#include "wx/validate.h"
+#include "wx/thread.h"
+
+#if wxUSE_BASE
+ #include "wx/ptr_scpd.h"
-#if !USE_SHARED_LIBRARY
+ wxDECLARE_SCOPED_PTR(wxEvent, wxEventPtr)
+ wxDEFINE_SCOPED_PTR(wxEvent, wxEventPtr)
+#endif // wxUSE_BASE
+
+// ----------------------------------------------------------------------------
+// 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(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(wxNcPaintEvent, wxEvent)
IMPLEMENT_DYNAMIC_CLASS(wxEraseEvent, wxEvent)
IMPLEMENT_DYNAMIC_CLASS(wxMoveEvent, wxEvent)
IMPLEMENT_DYNAMIC_CLASS(wxFocusEvent, wxEvent)
+ IMPLEMENT_DYNAMIC_CLASS(wxChildFocusEvent, wxCommandEvent)
IMPLEMENT_DYNAMIC_CLASS(wxCloseEvent, wxEvent)
IMPLEMENT_DYNAMIC_CLASS(wxShowEvent, wxEvent)
IMPLEMENT_DYNAMIC_CLASS(wxMaximizeEvent, wxEvent)
IMPLEMENT_DYNAMIC_CLASS(wxDropFilesEvent, wxEvent)
IMPLEMENT_DYNAMIC_CLASS(wxActivateEvent, wxEvent)
IMPLEMENT_DYNAMIC_CLASS(wxInitDialogEvent, wxEvent)
+ IMPLEMENT_DYNAMIC_CLASS(wxSetCursorEvent, wxEvent)
IMPLEMENT_DYNAMIC_CLASS(wxSysColourChangedEvent, wxEvent)
- IMPLEMENT_DYNAMIC_CLASS(wxIdleEvent, wxEvent)
+ IMPLEMENT_DYNAMIC_CLASS(wxDisplayChangedEvent, wxEvent)
IMPLEMENT_DYNAMIC_CLASS(wxUpdateUIEvent, wxCommandEvent)
- IMPLEMENT_DYNAMIC_CLASS(wxNavigationKeyEvent, wxCommandEvent)
+ IMPLEMENT_DYNAMIC_CLASS(wxNavigationKeyEvent, wxEvent)
IMPLEMENT_DYNAMIC_CLASS(wxPaletteChangedEvent, wxEvent)
IMPLEMENT_DYNAMIC_CLASS(wxQueryNewPaletteEvent, wxEvent)
+ IMPLEMENT_DYNAMIC_CLASS(wxWindowCreateEvent, wxEvent)
+ IMPLEMENT_DYNAMIC_CLASS(wxWindowDestroyEvent, wxEvent)
+ 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 wxEventTable *wxEvtHandler::GetEventTable() const
+ { return &wxEvtHandler::sm_eventTable; }
- const wxEventTable *wxEvtHandler::GetEventTable() const
- { return &wxEvtHandler::sm_eventTable; }
+const wxEventTable wxEvtHandler::sm_eventTable =
+ { (const wxEventTable *)NULL, &wxEvtHandler::sm_eventTableEntries[0] };
- const wxEventTable wxEvtHandler::sm_eventTable =
- { (const wxEventTable *)NULL, &wxEvtHandler::sm_eventTableEntries[0] };
+wxEventHashTable &wxEvtHandler::GetEventHashTable() const
+ { return wxEvtHandler::sm_eventHashTable; }
- const wxEventTableEntry wxEvtHandler::sm_eventTableEntries[] =
- { { 0, 0, 0,
- #ifdef __SGI_CC__
- // stupid SGI compiler --- offer aug 98
- 0L }
- #else // !SGI CC
- NULL }
- #endif // SGI/!SGI
- };
+wxEventHashTable wxEvtHandler::sm_eventHashTable(wxEvtHandler::sm_eventTable);
-#endif // !USE_SHARED_LIBRARY
+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
+// ----------------------------------------------------------------------------
+
+// List containing event handlers with pending events (each handler can occur
+// at most once here)
+wxList *wxPendingEvents = NULL;
#if wxUSE_THREADS
-/* To put pending event handlers */
-extern wxList *wxPendingEvents;
-extern wxCriticalSection *wxPendingEventsLocker;
+ // protects wxPendingEvents list
+ wxCriticalSection *wxPendingEventsLocker = NULL;
#endif
+// common event types are defined here, other event types are defined by the
+// components which use them
+
+const wxEventType wxEVT_FIRST = 10000;
+const wxEventType wxEVT_USER_FIRST = wxEVT_FIRST + 2000;
+
+DEFINE_EVENT_TYPE(wxEVT_NULL)
+DEFINE_EVENT_TYPE(wxEVT_IDLE)
+DEFINE_EVENT_TYPE(wxEVT_SOCKET)
+DEFINE_EVENT_TYPE(wxEVT_TIMER)
+
+#endif // wxUSE_BASE
+
+#if wxUSE_GUI
+
+DEFINE_EVENT_TYPE(wxEVT_COMMAND_BUTTON_CLICKED)
+DEFINE_EVENT_TYPE(wxEVT_COMMAND_CHECKBOX_CLICKED)
+DEFINE_EVENT_TYPE(wxEVT_COMMAND_CHOICE_SELECTED)
+DEFINE_EVENT_TYPE(wxEVT_COMMAND_LISTBOX_SELECTED)
+DEFINE_EVENT_TYPE(wxEVT_COMMAND_LISTBOX_DOUBLECLICKED)
+DEFINE_EVENT_TYPE(wxEVT_COMMAND_CHECKLISTBOX_TOGGLED)
+DEFINE_EVENT_TYPE(wxEVT_COMMAND_MENU_SELECTED)
+DEFINE_EVENT_TYPE(wxEVT_COMMAND_SLIDER_UPDATED)
+DEFINE_EVENT_TYPE(wxEVT_COMMAND_RADIOBOX_SELECTED)
+DEFINE_EVENT_TYPE(wxEVT_COMMAND_RADIOBUTTON_SELECTED)
+DEFINE_EVENT_TYPE(wxEVT_COMMAND_SCROLLBAR_UPDATED)
+DEFINE_EVENT_TYPE(wxEVT_COMMAND_VLBOX_SELECTED)
+DEFINE_EVENT_TYPE(wxEVT_COMMAND_COMBOBOX_SELECTED)
+DEFINE_EVENT_TYPE(wxEVT_COMMAND_TOOL_RCLICKED)
+DEFINE_EVENT_TYPE(wxEVT_COMMAND_TOOL_ENTER)
+DEFINE_EVENT_TYPE(wxEVT_COMMAND_SPINCTRL_UPDATED)
+DEFINE_EVENT_TYPE(wxEVT_COMMAND_SPINCTRLDOUBLE_UPDATED)
+DEFINE_EVENT_TYPE(wxEVT_COMMAND_TOOL_DROPDOWN_CLICKED)
+
+// Mouse event types
+DEFINE_EVENT_TYPE(wxEVT_LEFT_DOWN)
+DEFINE_EVENT_TYPE(wxEVT_LEFT_UP)
+DEFINE_EVENT_TYPE(wxEVT_MIDDLE_DOWN)
+DEFINE_EVENT_TYPE(wxEVT_MIDDLE_UP)
+DEFINE_EVENT_TYPE(wxEVT_RIGHT_DOWN)
+DEFINE_EVENT_TYPE(wxEVT_RIGHT_UP)
+DEFINE_EVENT_TYPE(wxEVT_MOTION)
+DEFINE_EVENT_TYPE(wxEVT_ENTER_WINDOW)
+DEFINE_EVENT_TYPE(wxEVT_LEAVE_WINDOW)
+DEFINE_EVENT_TYPE(wxEVT_LEFT_DCLICK)
+DEFINE_EVENT_TYPE(wxEVT_MIDDLE_DCLICK)
+DEFINE_EVENT_TYPE(wxEVT_RIGHT_DCLICK)
+DEFINE_EVENT_TYPE(wxEVT_SET_FOCUS)
+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_NC_LEFT_UP)
+DEFINE_EVENT_TYPE(wxEVT_NC_MIDDLE_DOWN)
+DEFINE_EVENT_TYPE(wxEVT_NC_MIDDLE_UP)
+DEFINE_EVENT_TYPE(wxEVT_NC_RIGHT_DOWN)
+DEFINE_EVENT_TYPE(wxEVT_NC_RIGHT_UP)
+DEFINE_EVENT_TYPE(wxEVT_NC_MOTION)
+DEFINE_EVENT_TYPE(wxEVT_NC_ENTER_WINDOW)
+DEFINE_EVENT_TYPE(wxEVT_NC_LEAVE_WINDOW)
+DEFINE_EVENT_TYPE(wxEVT_NC_LEFT_DCLICK)
+DEFINE_EVENT_TYPE(wxEVT_NC_MIDDLE_DCLICK)
+DEFINE_EVENT_TYPE(wxEVT_NC_RIGHT_DCLICK)
+
+// Character input event type
+DEFINE_EVENT_TYPE(wxEVT_CHAR)
+DEFINE_EVENT_TYPE(wxEVT_CHAR_HOOK)
+DEFINE_EVENT_TYPE(wxEVT_NAVIGATION_KEY)
+DEFINE_EVENT_TYPE(wxEVT_KEY_DOWN)
+DEFINE_EVENT_TYPE(wxEVT_KEY_UP)
+#if wxUSE_HOTKEY
+DEFINE_EVENT_TYPE(wxEVT_HOTKEY)
+#endif
+
+// Set cursor event
+DEFINE_EVENT_TYPE(wxEVT_SET_CURSOR)
+
+// wxScrollbar and wxSlider event identifiers
+DEFINE_EVENT_TYPE(wxEVT_SCROLL_TOP)
+DEFINE_EVENT_TYPE(wxEVT_SCROLL_BOTTOM)
+DEFINE_EVENT_TYPE(wxEVT_SCROLL_LINEUP)
+DEFINE_EVENT_TYPE(wxEVT_SCROLL_LINEDOWN)
+DEFINE_EVENT_TYPE(wxEVT_SCROLL_PAGEUP)
+DEFINE_EVENT_TYPE(wxEVT_SCROLL_PAGEDOWN)
+DEFINE_EVENT_TYPE(wxEVT_SCROLL_THUMBTRACK)
+DEFINE_EVENT_TYPE(wxEVT_SCROLL_THUMBRELEASE)
+DEFINE_EVENT_TYPE(wxEVT_SCROLL_CHANGED)
+
+// Scroll events from wxWindow
+DEFINE_EVENT_TYPE(wxEVT_SCROLLWIN_TOP)
+DEFINE_EVENT_TYPE(wxEVT_SCROLLWIN_BOTTOM)
+DEFINE_EVENT_TYPE(wxEVT_SCROLLWIN_LINEUP)
+DEFINE_EVENT_TYPE(wxEVT_SCROLLWIN_LINEDOWN)
+DEFINE_EVENT_TYPE(wxEVT_SCROLLWIN_PAGEUP)
+DEFINE_EVENT_TYPE(wxEVT_SCROLLWIN_PAGEDOWN)
+DEFINE_EVENT_TYPE(wxEVT_SCROLLWIN_THUMBTRACK)
+DEFINE_EVENT_TYPE(wxEVT_SCROLLWIN_THUMBRELEASE)
+
+// System events
+DEFINE_EVENT_TYPE(wxEVT_SIZE)
+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_ACTIVATE)
+DEFINE_EVENT_TYPE(wxEVT_CREATE)
+DEFINE_EVENT_TYPE(wxEVT_DESTROY)
+DEFINE_EVENT_TYPE(wxEVT_SHOW)
+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_PAINT_ICON)
+DEFINE_EVENT_TYPE(wxEVT_MENU_OPEN)
+DEFINE_EVENT_TYPE(wxEVT_MENU_CLOSE)
+DEFINE_EVENT_TYPE(wxEVT_MENU_HIGHLIGHT)
+DEFINE_EVENT_TYPE(wxEVT_CONTEXT_MENU)
+DEFINE_EVENT_TYPE(wxEVT_SYS_COLOUR_CHANGED)
+DEFINE_EVENT_TYPE(wxEVT_DISPLAY_CHANGED)
+DEFINE_EVENT_TYPE(wxEVT_SETTING_CHANGED)
+DEFINE_EVENT_TYPE(wxEVT_QUERY_NEW_PALETTE)
+DEFINE_EVENT_TYPE(wxEVT_PALETTE_CHANGED)
+DEFINE_EVENT_TYPE(wxEVT_JOY_BUTTON_DOWN)
+DEFINE_EVENT_TYPE(wxEVT_JOY_BUTTON_UP)
+DEFINE_EVENT_TYPE(wxEVT_JOY_MOVE)
+DEFINE_EVENT_TYPE(wxEVT_JOY_ZMOVE)
+DEFINE_EVENT_TYPE(wxEVT_DROP_FILES)
+DEFINE_EVENT_TYPE(wxEVT_DRAW_ITEM)
+DEFINE_EVENT_TYPE(wxEVT_MEASURE_ITEM)
+DEFINE_EVENT_TYPE(wxEVT_COMPARE_ITEM)
+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)
+DEFINE_EVENT_TYPE(wxEVT_COMMAND_LEFT_DCLICK)
+DEFINE_EVENT_TYPE(wxEVT_COMMAND_RIGHT_CLICK)
+DEFINE_EVENT_TYPE(wxEVT_COMMAND_RIGHT_DCLICK)
+DEFINE_EVENT_TYPE(wxEVT_COMMAND_SET_FOCUS)
+DEFINE_EVENT_TYPE(wxEVT_COMMAND_KILL_FOCUS)
+DEFINE_EVENT_TYPE(wxEVT_COMMAND_ENTER)
+
+// Help events
+DEFINE_EVENT_TYPE(wxEVT_HELP)
+DEFINE_EVENT_TYPE(wxEVT_DETAILED_HELP)
+
+#endif // wxUSE_GUI
+
+#if wxUSE_BASE
+
+wxIdleMode wxIdleEvent::sm_idleMode = wxIDLE_PROCESS_ALL;
+
+// ============================================================================
+// implementation
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// event initialization
+// ----------------------------------------------------------------------------
+
+int wxNewEventType()
+{
+ // MT-FIXME
+ static int s_lastUsedEventType = wxEVT_FIRST;
+
+ return s_lastUsedEventType++;
+}
+
+// ----------------------------------------------------------------------------
+// wxEvent
+// ----------------------------------------------------------------------------
+
/*
- * General wxWindows events, covering
+ * General wxWidgets events, covering
* all interesting things that might happen (button clicking, resizing,
* setting text in widgets, etc.).
*
*
*/
-wxEvent::wxEvent(int theId)
+wxEvent::wxEvent(int theId, wxEventType commandType )
{
- m_eventType = wxEVT_NULL;
+ m_eventType = commandType;
m_eventObject = (wxObject *) NULL;
- m_eventHandle = (char *) NULL;
m_timeStamp = 0;
m_id = theId;
- m_skipped = FALSE;
+ m_skipped = false;
m_callbackUserData = (wxObject *) NULL;
- m_isCommandEvent = FALSE;
+ m_isCommandEvent = false;
+ m_propagationLevel = wxEVENT_PROPAGATE_NONE;
}
-wxObject *wxEvent::Clone() const
+wxEvent::wxEvent(const wxEvent &src)
+ : wxObject(src)
+ , m_eventObject(src.m_eventObject)
+ , m_eventType(src.m_eventType)
+ , m_timeStamp(src.m_timeStamp)
+ , m_id(src.m_id)
+ , m_callbackUserData(src.m_callbackUserData)
+ , m_propagationLevel(src.m_propagationLevel)
+ , m_skipped(src.m_skipped)
+ , m_isCommandEvent(src.m_isCommandEvent)
{
- wxEvent *event = (wxEvent *)wxObject::Clone();
+}
- event->m_eventType = m_eventType;
- event->m_eventObject = m_eventObject;
- event->m_eventHandle = m_eventHandle;
- event->m_timeStamp = m_timeStamp;
- event->m_id = m_id;
- event->m_skipped = m_skipped;
- event->m_callbackUserData = m_callbackUserData;
- event->m_isCommandEvent = m_isCommandEvent;
+#endif // wxUSE_BASE
- return event;
-}
+#if wxUSE_GUI
/*
* Command events
*
*/
+#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_eventType = commandType;
m_clientData = (char *) NULL;
m_clientObject = (wxClientData *) NULL;
m_extraLong = 0;
m_commandInt = 0;
- m_id = theId;
- m_commandString = (wxChar *) NULL;
- m_isCommandEvent = TRUE;
+ m_isCommandEvent = true;
+
+ // the command events are propagated upwards by default
+ 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 wxUSE_LONGLONG
+wxLongLong wxUpdateUIEvent::sm_lastUpdate = 0;
+#endif
+
+long wxUpdateUIEvent::sm_updateInterval = 0;
+
+wxUpdateUIMode wxUpdateUIEvent::sm_updateMode = wxUPDATE_UI_PROCESS_ALL;
+
+// Can we update?
+bool wxUpdateUIEvent::CanUpdate(wxWindowBase *win)
+{
+ // Don't update if we've switched global updating off
+ // and this window doesn't support updates.
+ if (win &&
+ (GetMode() == wxUPDATE_UI_PROCESS_SPECIFIED &&
+ ((win->GetExtraStyle() & wxWS_EX_PROCESS_UI_UPDATES) == 0)))
+ return false;
+
+ if (sm_updateInterval == -1)
+ return false;
+
+ if (sm_updateInterval == 0)
+ return true;
+
+#if wxUSE_STOPWATCH && wxUSE_LONGLONG
+ wxLongLong now = wxGetLocalTimeMillis();
+ if (now > (sm_lastUpdate + sm_updateInterval))
+ {
+ return true;
+ }
+
+ 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
+// time we should update
+void wxUpdateUIEvent::ResetUpdateTime()
+{
+#if wxUSE_STOPWATCH && wxUSE_LONGLONG
+ if (sm_updateInterval > 0)
+ {
+ wxLongLong now = wxGetLocalTimeMillis();
+ if (now > (sm_lastUpdate + sm_updateInterval))
+ {
+ sm_lastUpdate = now;
+ }
+ }
+#endif
}
/*
int id,
int pos,
int orient)
- : wxCommandEvent(commandType, id)
+ : wxCommandEvent(commandType, id)
{
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;
+}
/*
* Mouse 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_eventType = event.m_eventType;
+
+ m_x = event.m_x;
+ m_y = event.m_y;
+
+ 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_altDown = event.m_altDown;
+ m_metaDown = event.m_metaDown;
+
+ 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(_T("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(_T("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:
+ switch (but)
+ {
+ 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(_T("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());
+ switch (but)
+ {
default:
- wxFAIL_MSG(_T("invalid parameter in wxMouseEvent::Button"));
- }
+ 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:
+ switch (but)
+ {
+ 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(_T("invalid parameter in wxMouseEvent::ButtonIsDown"));
+
+ case wxMOUSE_BTN_AUX1:
+ return Aux1IsDown();
+
+ case wxMOUSE_BTN_AUX2:
+ return Aux2IsDown();
}
+}
- return FALSE;
+int wxMouseEvent::GetButton() const
+{
+ for ( int i = 1; i < wxMOUSE_BTN_MAX; i++ )
+ {
+ if ( Button(i) )
+ {
+ return i;
+ }
+ }
+
+ return wxMOUSE_BTN_NONE;
}
// Find the logical position of the event given the DC
/*
- * Keyboard events
+ * Keyboard event
*
*/
wxKeyEvent::wxKeyEvent(wxEventType type)
{
m_eventType = type;
- m_shiftDown = FALSE;
- m_controlDown = FALSE;
- m_metaDown = FALSE;
- m_altDown = FALSE;
+ m_shiftDown = false;
+ m_controlDown = false;
+ m_metaDown = false;
+ m_altDown = false;
m_keyCode = 0;
+ m_scanCode = 0;
+#if wxUSE_UNICODE
+ m_uniChar = 0;
+#endif
+}
+
+wxKeyEvent::wxKeyEvent(const wxKeyEvent& evt)
+ : wxEvent(evt)
+{
+ m_x = evt.m_x;
+ m_y = evt.m_y;
+
+ m_keyCode = evt.m_keyCode;
+
+ m_controlDown = evt.m_controlDown;
+ m_shiftDown = evt.m_shiftDown;
+ m_altDown = evt.m_altDown;
+ m_metaDown = evt.m_metaDown;
+ m_scanCode = evt.m_scanCode;
+ m_rawCode = evt.m_rawCode;
+ m_rawFlags = evt.m_rawFlags;
+
+#if wxUSE_UNICODE
+ m_uniChar = evt.m_uniChar;
+#endif
+}
+
+wxWindowCreateEvent::wxWindowCreateEvent(wxWindow *win)
+{
+ SetEventType(wxEVT_CREATE);
+ SetEventObject(win);
+}
+
+wxWindowDestroyEvent::wxWindowDestroyEvent(wxWindow *win)
+{
+ SetEventType(wxEVT_DESTROY);
+ SetEventObject(win);
+}
+
+wxChildFocusEvent::wxChildFocusEvent(wxWindow *win)
+ : wxCommandEvent(wxEVT_CHILD_FOCUS)
+{
+ 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
+
+
+#if wxUSE_BASE
+
+// ----------------------------------------------------------------------------
+// wxEventHashTable
+// ----------------------------------------------------------------------------
+
+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()
+{
+ 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];
+ 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)
+ {
+ InitHashTable();
+ 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];
+ if (eTTnode && eTTnode->eventType == eventType)
+ {
+ // Now start the search for an event handler
+ // that can handle an event with the given ID.
+ const wxEventTableEntryPointerArray&
+ eventEntryTable = eTTnode->eventEntryTable;
+
+ const size_t count = eventEntryTable.GetCount();
+ for (size_t n = 0; n < count; n++)
+ {
+ if ( wxEvtHandler::
+ ProcessEventIfMatches(*eventEntryTable[n], self, event) )
+ {
+ return true;
+ }
+ }
+ }
+
+ return false;
+}
+
+void wxEventHashTable::InitHashTable()
+{
+ // Loop over the event tables and all its base tables.
+ const wxEventTable *table = &m_table;
+ while (table)
+ {
+ // Retrieve all valid event handler entries
+ const wxEventTableEntry *entry = table->entries;
+ while (entry->m_fn != 0)
+ {
+ // Add the event entry in the Hash.
+ AddEntry(*entry);
+
+ entry++;
+ }
+
+ table = table->baseTable;
+ }
+
+ // Lets free some memory.
+ size_t i;
+ for(i = 0; i < m_size; i++)
+ {
+ EventTypeTablePointer eTTnode = m_eventTypeTable[i];
+ if (eTTnode)
+ {
+ eTTnode->eventEntryTable.Shrink();
+ }
+ }
+}
+
+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;
+
+ if (eTTnode)
+ {
+ if (eTTnode->eventType != entry.m_eventType)
+ {
+ // Resize the table!
+ GrowEventTypeTable();
+ // Try again to add it.
+ AddEntry(entry);
+ return;
+ }
+ }
+ else
+ {
+ eTTnode = new EventTypeTable;
+ eTTnode->eventType = entry.m_eventType;
+ *peTTnode = eTTnode;
+ }
+
+ // Fill all hash entries between entry.m_id and entry.m_lastId...
+ eTTnode->eventEntryTable.Add(&entry);
+}
+
+void wxEventHashTable::AllocEventTypeTable(size_t size)
+{
+ m_eventTypeTable = new EventTypeTablePointer[size];
+ memset((void *)m_eventTypeTable, 0, sizeof(EventTypeTablePointer)*size);
+ m_size = size;
+}
+
+void wxEventHashTable::GrowEventTypeTable()
+{
+ size_t oldSize = m_size;
+ EventTypeTablePointer *oldEventTypeTable = m_eventTypeTable;
+
+ // TODO: Search the most optimal grow sequence
+ AllocEventTypeTable(/* GetNextPrime(oldSize) */oldSize*2+1);
+
+ for ( size_t i = 0; i < oldSize; /* */ )
+ {
+ EventTypeTablePointer eTToldNode = oldEventTypeTable[i];
+ if (eTToldNode)
+ {
+ EventTypeTablePointer *peTTnode = &m_eventTypeTable[eTToldNode->eventType % m_size];
+ EventTypeTablePointer eTTnode = *peTTnode;
+
+ // Check for collision, we don't want any.
+ if (eTTnode)
+ {
+ GrowEventTypeTable();
+ continue; // Don't increment the counter,
+ // as we still need to add this element.
+ }
+ else
+ {
+ // Get the old value and put it in the new table.
+ *peTTnode = oldEventTypeTable[i];
+ }
+ }
+
+ i++;
+ }
+
+ delete[] oldEventTypeTable;
+}
+
+// ----------------------------------------------------------------------------
+// wxEvtHandler
+// ----------------------------------------------------------------------------
+
/*
* Event handler
*/
wxEvtHandler::wxEvtHandler()
{
+ m_beingDeleted = false;
+
m_nextHandler = (wxEvtHandler *) NULL;
m_previousHandler = (wxEvtHandler *) NULL;
- m_enabled = TRUE;
+ m_enabled = true;
m_dynamicEvents = (wxList *) NULL;
- m_isWindow = FALSE;
-#if wxUSE_THREADS
- m_eventsLocker = new wxCriticalSection();
-#endif
m_pendingEvents = (wxList *) NULL;
+
+ // no client data (yet)
+ m_clientData = NULL;
+ m_clientDataType = wxClientData_None;
}
wxEvtHandler::~wxEvtHandler()
{
+ m_beingDeleted = true;
+
// Takes itself out of the list of handlers
if (m_previousHandler)
m_previousHandler->m_nextHandler = m_nextHandler;
if (m_dynamicEvents)
{
- wxNode *node = m_dynamicEvents->First();
- while (node)
+ for ( wxList::iterator it = m_dynamicEvents->begin(),
+ end = m_dynamicEvents->end();
+ it != end;
+ ++it )
{
- wxEventTableEntry *entry = (wxEventTableEntry*)node->Data();
- if (entry->m_callbackUserData) delete entry->m_callbackUserData;
+ wxDynamicEventTableEntry *entry = (wxDynamicEventTableEntry*)*it;
+
+ // Remove ourselves from sink destructor notifications
+ wxEvtHandler *eventSink = entry->m_eventSink;
+ if ( eventSink )
+ {
+ wxEventConnectionRef * const
+ evtConnRef = FindRefInTrackerList(eventSink);
+ if ( evtConnRef )
+ {
+ eventSink->RemoveNode(evtConnRef);
+ delete evtConnRef;
+ }
+ }
+
+ if (entry->m_callbackUserData)
+ delete entry->m_callbackUserData;
delete entry;
- node = node->Next();
}
delete m_dynamicEvents;
};
-#if wxUSE_THREADS
if (m_pendingEvents)
- delete m_pendingEvents;
+ {
+ // At this time, we could still be used from other threads.
+ // Continue to use sync objects.
+ wxENTER_CRIT_SECT( m_pendingEventsLock );
+
+ m_pendingEvents->DeleteContents(true);
+ delete m_pendingEvents;
+ m_pendingEvents = NULL;
+
+ wxLEAVE_CRIT_SECT( m_pendingEventsLock );
+ }
+
+ // Remove us from wxPendingEvents if necessary.
+ if ( wxPendingEvents )
+ {
+#if wxUSE_THREADS
+ if (wxPendingEventsLocker)
+ wxENTER_CRIT_SECT(*wxPendingEventsLocker);
+#endif
+
+ if ( wxPendingEvents->DeleteObject(this) )
+ {
+ // check that we were present only once in the list
+ wxASSERT_MSG( !wxPendingEvents->Find(this),
+ "Handler occurs twice in wxPendingEvents list" );
+ }
+ //else: we weren't in this list at all, it's ok
- delete m_eventsLocker;
+#if wxUSE_THREADS
+ if (wxPendingEventsLocker)
+ wxLEAVE_CRIT_SECT(*wxPendingEventsLocker);
#endif
+ }
+
+ // we only delete object data, not untyped
+ if ( m_clientDataType == wxClientData_Object )
+ delete m_clientObject;
}
#if wxUSE_THREADS
-bool wxEvtHandler::ProcessThreadEvent(wxEvent& event)
-{
- wxEvent *event_main;
- wxCriticalSectionLocker locker(*m_eventsLocker);
+bool wxEvtHandler::ProcessThreadEvent(const wxEvent& event)
+{
// check that we are really in a child thread
- wxASSERT( !wxThread::IsMain() );
+ wxASSERT_MSG( !wxThread::IsMain(),
+ wxT("use ProcessEvent() in main thread") );
- if (m_pendingEvents == NULL)
- m_pendingEvents = new wxList();
+ AddPendingEvent(event);
- event_main = (wxEvent *)event.Clone();
+ return true;
+}
+
+#endif // wxUSE_THREADS
+
+void wxEvtHandler::QueueEvent(wxEvent *event)
+{
+ wxCHECK_RET( event, "NULL event can't be posted" );
+
+ // Catch the situation where destructor is already invoked (in another thread)
+ if( m_beingDeleted ) return;
+
+ // 1) Add this event to our list of pending events
+ wxENTER_CRIT_SECT( m_pendingEventsLock );
+
+ if ( !m_pendingEvents )
+ m_pendingEvents = new wxList;
- m_pendingEvents->Append(event_main);
+ m_pendingEvents->Append(event);
- wxPendingEventsLocker->Enter();
- wxPendingEvents->Append(this);
- wxPendingEventsLocker->Leave();
+ wxLEAVE_CRIT_SECT( m_pendingEventsLock );
- return TRUE;
+ // 2) Add this event handler to list of event handlers that
+ // have pending events.
+
+ wxENTER_CRIT_SECT(*wxPendingEventsLocker);
+
+ if ( !wxPendingEvents )
+ wxPendingEvents = new wxList;
+ if ( !wxPendingEvents->Find(this) )
+ wxPendingEvents->Append(this);
+
+ wxLEAVE_CRIT_SECT(*wxPendingEventsLocker);
+
+ // 3) Inform the system that new pending events are somewhere,
+ // and that these should be processed in idle time.
+ wxWakeUpIdle();
}
void wxEvtHandler::ProcessPendingEvents()
{
- wxCriticalSectionLocker locker(*m_eventsLocker);
- wxNode *node = m_pendingEvents->First();
- wxEvent *event;
+ wxENTER_CRIT_SECT( m_pendingEventsLock );
- while (node != NULL) {
- event = (wxEvent *)node->Data();
- ProcessEvent(*event);
- delete node;
- node = m_pendingEvents->First();
+ // This method is only called by wxApp if this handler does have
+ // pending events, but it happens occasionally when using multi-
+ // threading and we don't want a crash due to that.
+ if( !m_pendingEvents )
+ {
+ wxLEAVE_CRIT_SECT( m_pendingEventsLock );
+ return;
+ }
+
+ if( m_pendingEvents->IsEmpty() )
+ {
+ wxPendingEvents->DeleteObject(this);
+ wxLEAVE_CRIT_SECT( m_pendingEventsLock );
+ return;
}
-}
-#endif
-/*
- * Event table stuff
- */
+ wxList::compatibility_iterator node = m_pendingEvents->GetFirst();
+ wxEventPtr event(wx_static_cast(wxEvent *, node->GetData()));
-bool wxEvtHandler::ProcessEvent(wxEvent& event)
-{
- // check that our flag corresponds to reality
- wxASSERT( m_isWindow == IsKindOf(CLASSINFO(wxWindow)) );
+ // it's important 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);
- // An event handler can be enabled or disabled
- if ( GetEvtHandlerEnabled() )
+ // if there are no more pending events left, we don't need to stay in this
+ // list
+ if ( m_pendingEvents->IsEmpty() )
{
#if wxUSE_THREADS
- // Check whether we are in a child thread.
- if (!wxThread::IsMain())
- return ProcessThreadEvent(event);
+ if (wxPendingEventsLocker)
+ wxENTER_CRIT_SECT(*wxPendingEventsLocker);
#endif
- // Handle per-instance dynamic event tables first
+ wxPendingEvents->DeleteObject(this);
+#if wxUSE_THREADS
+ if (wxPendingEventsLocker)
+ wxLEAVE_CRIT_SECT(*wxPendingEventsLocker);
+#endif
+ }
- if ( m_dynamicEvents && SearchDynamicEventTable(event) )
- return TRUE;
+ wxLEAVE_CRIT_SECT( m_pendingEventsLock );
- // Then static per-class event tables
+ ProcessEvent(*event);
- 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 ( m_isWindow )
- {
- wxWindow *win = (wxWindow *)this;
+ // careful: this object could have been deleted by the event handler
+ // executed by the above ProcessEvent() call, so we can't access any fields
+ // of this object any more
+}
- // 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;
- }
- }
- }
+/*
+ * Event table stuff
+ */
+/* static */ bool
+wxEvtHandler::ProcessEventIfMatches(const wxEventTableEntryBase& entry,
+ wxEvtHandler *handler,
+ wxEvent& event)
+{
+ int tableId1 = entry.m_id,
+ tableId2 = entry.m_lastId;
+
+ // 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 ((tableId1 == wxID_ANY) ||
+ (tableId2 == wxID_ANY && tableId1 == event.GetId()) ||
+ (tableId2 != wxID_ANY &&
+ (event.GetId() >= tableId1 && event.GetId() <= tableId2)))
+ {
+ event.Skip(false);
+ event.m_callbackUserData = entry.m_callbackUserData;
- // Search upwards through the inheritance hierarchy
- while ( table )
+#if wxUSE_EXCEPTIONS
+ if ( wxTheApp )
{
- if ( SearchEventTable((wxEventTable&)*table, event) )
- return TRUE;
- table = table->baseTable;
+ // call the handler via wxApp method which allows the user to catch
+ // any exceptions which may be thrown by any handler in the program
+ // in one place
+ wxTheApp->HandleEvent(handler, (wxEventFunction)entry.m_fn, event);
+ }
+ else
+#endif // wxUSE_EXCEPTIONS
+ {
+ // no need for an extra virtual function call
+ (handler->*((wxEventFunction) (entry.m_fn)))(event);
}
- }
- // Try going down the event handler chain
- if ( GetNextHandler() )
- {
- if ( GetNextHandler()->ProcessEvent(event) )
- return TRUE;
+ if (!event.GetSkipped())
+ 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 ( m_isWindow && event.IsCommandEvent() )
- {
- wxWindow *win = (wxWindow *)this;
- wxWindow *parent = win->GetParent();
- if (parent && !parent->IsBeingDeleted())
- return parent->GetEventHandler()->ProcessEvent(event);
- }
+ return false;
+}
- // Last try - application object.
+bool wxEvtHandler::TryParent(wxEvent& event)
+{
if ( wxTheApp && (this != wxTheApp) )
{
// Special case: don't pass wxEVT_IDLE to wxApp, since it'll always
if ( event.GetEventType() != wxEVT_IDLE )
{
if ( wxTheApp->ProcessEvent(event) )
- return TRUE;
+ return true;
}
}
- return FALSE;
+ return false;
}
-bool wxEvtHandler::SearchEventTable(wxEventTable& table, wxEvent& event)
+bool wxEvtHandler::ProcessEvent(wxEvent& event)
{
- int i = 0;
- int commandId = event.GetId();
+ // allow the application to hook into event processing
+ if ( wxTheApp )
+ {
+ int rc = wxTheApp->FilterEvent(event);
+ if ( rc != -1 )
+ {
+ wxASSERT_MSG( rc == 1 || rc == 0,
+ _T("unexpected wxApp::FilterEvent return value") );
- // BC++ doesn't like while (table.entries[i].m_fn)
+ return rc != 0;
+ }
+ //else: proceed normally
+ }
-#ifdef __SC__
- while (table.entries[i].m_fn != 0)
-#else
- while (table.entries[i].m_fn != 0L)
+ // An event handler can be enabled or disabled
+ if ( GetEvtHandlerEnabled() )
+ {
+ // if we have a validator, it has higher priority than our own event
+ // table
+ if ( TryValidator(event) )
+ return true;
+
+ // Handle per-instance dynamic event tables first
+ if ( m_dynamicEvents && SearchDynamicEventTable(event) )
+ return true;
+
+ // Then static per-class event tables
+ if ( GetEventHashTable().HandleEvent(event, this) )
+ return true;
+ }
+
+ // Try going down the event handler chain
+ if ( GetNextHandler() )
+ {
+ // 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
+ // application object as necessary
+ return TryParent(event);
+}
+
+bool wxEvtHandler::SafelyProcessEvent(wxEvent& event)
+{
+#if wxUSE_EXCEPTIONS
+ try
+ {
#endif
+ return ProcessEvent(event);
+#if wxUSE_EXCEPTIONS
+ }
+ catch ( ... )
{
- 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))))
+ wxEventLoopBase *loop = wxEventLoopBase::GetActive();
+ try
{
- event.Skip(FALSE);
- event.m_callbackUserData = table.entries[i].m_callbackUserData;
+ if ( !wxTheApp || !wxTheApp->OnExceptionInMainLoop() )
+ {
+ if ( loop )
+ loop->Exit();
+ }
+ //else: continue running current event loop
- (this->*((wxEventFunction) (table.entries[i].m_fn)))(event);
+ 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
+}
- if ( event.GetSkipped() )
- return FALSE;
- else
- return TRUE;
+
+bool wxEvtHandler::SearchEventTable(wxEventTable& table, wxEvent& event)
+{
+ const wxEventType eventType = event.GetEventType();
+ for ( int i = 0; table.entries[i].m_fn != 0; i++ )
+ {
+ const wxEventTableEntry& entry = table.entries[i];
+ if ( eventType == entry.m_eventType )
+ {
+ if ( ProcessEventIfMatches(entry, this, event) )
+ return true;
}
- i++;
}
- return FALSE;
+
+ return false;
}
+
void wxEvtHandler::Connect( int id, int lastId,
- wxEventType eventType,
+ int eventType,
wxObjectEventFunction func,
- wxObject *userData )
+ wxObject *userData,
+ wxEvtHandler* eventSink )
{
- wxEventTableEntry *entry = new wxEventTableEntry;
- entry->m_id = id;
- entry->m_lastId = lastId;
- entry->m_eventType = eventType;
- entry->m_fn = func;
- entry->m_callbackUserData = userData;
+ wxDynamicEventTableEntry *entry =
+ new wxDynamicEventTableEntry(eventType, id, lastId, func, userData, eventSink);
if (!m_dynamicEvents)
m_dynamicEvents = new wxList;
- m_dynamicEvents->Append( (wxObject*) entry );
+ // Insert at the front of the list so most recent additions are found first
+ m_dynamicEvents->Insert( (wxObject*) entry );
+
+ // Make sure we get to know when a sink is destroyed
+ if ( eventSink && eventSink != this )
+ {
+ wxEventConnectionRef *evtConnRef = FindRefInTrackerList(eventSink);
+ if ( evtConnRef )
+ evtConnRef->IncRef( );
+ else
+ evtConnRef = new wxEventConnectionRef(this, eventSink);
+ }
}
-bool wxEvtHandler::SearchDynamicEventTable( wxEvent& event )
+bool wxEvtHandler::Disconnect( int id, int lastId, wxEventType eventType,
+ wxObjectEventFunction func,
+ wxObject *userData,
+ wxEvtHandler* eventSink )
{
- wxCHECK_MSG( m_dynamicEvents, FALSE,
- _T("caller should check that we have dynamic events") );
+ if (!m_dynamicEvents)
+ return false;
- int commandId = event.GetId();
+ // Remove connection from tracker node (wxEventConnectionRef)
+ if ( eventSink && eventSink != this )
+ {
+ wxEventConnectionRef *evtConnRef = FindRefInTrackerList(eventSink);
+ if ( evtConnRef )
+ evtConnRef->DecRef();
+ }
- wxNode *node = m_dynamicEvents->First();
+ wxList::compatibility_iterator node = m_dynamicEvents->GetFirst();
while (node)
{
- wxEventTableEntry *entry = (wxEventTableEntry*)node->Data();
+ wxDynamicEventTableEntry *entry = (wxDynamicEventTableEntry*)node->GetData();
+
+ if ((entry->m_id == id) &&
+ ((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)) &&
+ ((entry->m_callbackUserData == userData) || (userData == (wxObject*)NULL)))
+ {
+ if (entry->m_callbackUserData)
+ delete entry->m_callbackUserData;
+ m_dynamicEvents->Erase( node );
+ delete entry;
+ return true;
+ }
+ node = node->GetNext();
+ }
+ return false;
+}
- if (entry->m_fn)
+bool wxEvtHandler::SearchDynamicEventTable( wxEvent& event )
+{
+ wxCHECK_MSG( m_dynamicEvents, false,
+ wxT("caller should check that we have dynamic events") );
+
+ wxList::compatibility_iterator node = m_dynamicEvents->GetFirst();
+ while (node)
+ {
+ wxDynamicEventTableEntry *entry = (wxDynamicEventTableEntry*)node->GetData();
+
+ // 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))
{
- // 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;
+ wxEvtHandler *handler = entry->m_eventSink ? entry->m_eventSink
+ : this;
+ if ( ProcessEventIfMatches(*entry, handler, event) )
+ return true;
+ }
+ }
- (this->*((wxEventFunction) (entry->m_fn)))(event);
+ return false;
+}
- if (event.GetSkipped())
- return FALSE;
- else
- return TRUE;
- }
+void wxEvtHandler::DoSetClientObject( wxClientData *data )
+{
+ wxASSERT_MSG( m_clientDataType != wxClientData_Void,
+ wxT("can't have both object and void client data") );
+
+ if ( m_clientObject )
+ delete m_clientObject;
+
+ m_clientObject = data;
+ m_clientDataType = wxClientData_Object;
+}
+
+wxClientData *wxEvtHandler::DoGetClientObject() const
+{
+ // it's not an error to call GetClientObject() on a window which doesn't
+ // have client data at all - NULL will be returned
+ wxASSERT_MSG( m_clientDataType != wxClientData_Void,
+ wxT("this window doesn't have object client data") );
+
+ return m_clientObject;
+}
+
+void wxEvtHandler::DoSetClientData( void *data )
+{
+ wxASSERT_MSG( m_clientDataType != wxClientData_Object,
+ wxT("can't have both object and void client data") );
+
+ m_clientData = data;
+ m_clientDataType = wxClientData_Void;
+}
+
+void *wxEvtHandler::DoGetClientData() const
+{
+ // it's not an error to call GetClientData() on a window which doesn't have
+ // client data at all - NULL will be returned
+ wxASSERT_MSG( m_clientDataType != wxClientData_Object,
+ wxT("this window doesn't have void client data") );
+
+ return m_clientData;
+}
+
+// A helper to find an wxEventConnectionRef object
+wxEventConnectionRef *
+wxEvtHandler::FindRefInTrackerList(wxEvtHandler *eventSink)
+{
+ for ( wxTrackerNode *node = eventSink->GetFirst(); node; node = node->m_nxt )
+ {
+ // we only want wxEventConnectionRef nodes here
+ wxEventConnectionRef *evtConnRef = node->ToEventConnection();
+ if ( evtConnRef && evtConnRef->m_src == this )
+ {
+ wxASSERT( evtConnRef->m_sink==eventSink );
+ return evtConnRef;
}
- node = node->Next();
}
- return FALSE;
-};
-#if WXWIN_COMPATIBILITY
-bool wxEvtHandler::OnClose()
+ return NULL;
+}
+
+void wxEvtHandler::OnSinkDestroyed( wxEvtHandler *sink )
{
- if (GetNextHandler())
- return GetNextHandler()->OnClose();
- else
- return FALSE;
+ wxASSERT(m_dynamicEvents);
+
+ // remove all connections with this sink
+ wxList::compatibility_iterator node = m_dynamicEvents->GetFirst(), node_nxt;
+ while (node)
+ {
+ wxDynamicEventTableEntry *entry = (wxDynamicEventTableEntry*)node->GetData();
+ node_nxt = node->GetNext();
+
+ if ( entry->m_eventSink==sink )
+ {
+ if (entry->m_callbackUserData)
+ delete entry->m_callbackUserData;
+ m_dynamicEvents->Erase( node );
+ delete entry;
+ }
+ node = node_nxt;
+ }
}
-#endif // WXWIN_COMPATIBILITY
+
+#endif // wxUSE_BASE
+
+#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.
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