]> git.saurik.com Git - wxWidgets.git/blobdiff - src/common/event.cpp
fix for using wxDataObjectComposite with the clipboard
[wxWidgets.git] / src / common / event.cpp
index 49ce7c19fa86106cb91b6acafafc3263a7ede03d..914df7085594ddbd5a393baeb4ca2291bd985017 100644 (file)
@@ -52,9 +52,9 @@
 
 IMPLEMENT_DYNAMIC_CLASS(wxEvtHandler, wxObject)
 IMPLEMENT_ABSTRACT_CLASS(wxEvent, wxObject)
-IMPLEMENT_DYNAMIC_CLASS(wxIdleEvent, wxEvent)
 
 #if wxUSE_GUI
+    IMPLEMENT_DYNAMIC_CLASS(wxIdleEvent, wxEvent)
     IMPLEMENT_DYNAMIC_CLASS(wxCommandEvent, wxEvent)
     IMPLEMENT_DYNAMIC_CLASS(wxNotifyEvent, wxCommandEvent)
     IMPLEMENT_DYNAMIC_CLASS(wxScrollEvent, wxCommandEvent)
@@ -67,6 +67,7 @@ IMPLEMENT_DYNAMIC_CLASS(wxIdleEvent, 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)
@@ -76,6 +77,7 @@ IMPLEMENT_DYNAMIC_CLASS(wxIdleEvent, 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(wxUpdateUIEvent, wxCommandEvent)
     IMPLEMENT_DYNAMIC_CLASS(wxNavigationKeyEvent, wxCommandEvent)
@@ -120,8 +122,6 @@ 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_TEXT_UPDATED)
-DEFINE_EVENT_TYPE(wxEVT_COMMAND_TEXT_ENTER)
 DEFINE_EVENT_TYPE(wxEVT_COMMAND_MENU_SELECTED)
 DEFINE_EVENT_TYPE(wxEVT_COMMAND_SLIDER_UPDATED)
 DEFINE_EVENT_TYPE(wxEVT_COMMAND_RADIOBOX_SELECTED)
@@ -152,6 +152,7 @@ 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)
 
 // Non-client mouse events
@@ -293,9 +294,9 @@ int wxNewEventType()
  *
  */
 
-wxEvent::wxEvent(int theId)
+wxEvent::wxEvent(int theId, wxEventType commandType )
 {
-    m_eventType = wxEVT_NULL;
+    m_eventType = commandType;
     m_eventObject = (wxObject *) NULL;
     m_timeStamp = 0;
     m_id = theId;
@@ -304,18 +305,15 @@ wxEvent::wxEvent(int theId)
     m_isCommandEvent = FALSE;
 }
 
-void wxEvent::CopyObject(wxObject& object_dest) const
+wxEvent::wxEvent(const wxEvent &src)
 {
-    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;
+    m_eventType = src.m_eventType;
+    m_eventObject = src.m_eventObject;
+    m_timeStamp = src.m_timeStamp;
+    m_id = src.m_id;
+    m_skipped = src.m_skipped;
+    m_callbackUserData = src.m_callbackUserData;
+    m_isCommandEvent = src.m_isCommandEvent;
 }
 
 #if wxUSE_GUI
@@ -326,43 +324,16 @@ void wxEvent::CopyObject(wxObject& object_dest) const
  */
 
 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 = 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
  */
@@ -390,16 +361,6 @@ wxScrollWinEvent::wxScrollWinEvent(wxEventType commandType,
     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
  *
@@ -422,23 +383,6 @@ wxMouseEvent::wxMouseEvent(wxEventType commandType)
     m_linesPerAction = 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
@@ -563,7 +507,7 @@ wxPoint wxMouseEvent::GetLogicalPosition(const wxDC& dc) const
 
 
 /*
- * Keyboard events
+ * Keyboard event
  *
  */
 
@@ -578,139 +522,6 @@ wxKeyEvent::wxKeyEvent(wxEventType type)
     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)
 {
@@ -724,16 +535,18 @@ wxWindowDestroyEvent::wxWindowDestroyEvent(wxWindow *win)
     SetEventObject(win);
 }
 
-#endif // wxUSE_GUI
-
-void wxIdleEvent::CopyObject(wxObject& obj_d) const
+wxChildFocusEvent::wxChildFocusEvent(wxWindow *win)
+                 : wxCommandEvent(wxEVT_CHILD_FOCUS)
 {
-    wxIdleEvent *obj = (wxIdleEvent *)&obj_d;
-    wxEvent::CopyObject(obj_d);
-
-    obj->m_requestMore = m_requestMore;
+    SetEventObject(win);
 }
 
+#endif // wxUSE_GUI
+
+// ----------------------------------------------------------------------------
+// wxEvtHandler
+// ----------------------------------------------------------------------------
+
 /*
  * Event handler
  */
@@ -751,6 +564,9 @@ wxEvtHandler::wxEvtHandler()
     m_eventsLocker = new wxCriticalSection;
 #  endif
 #endif
+    // no client data (yet)
+    m_clientData = NULL;
+    m_clientDataType = wxClientData_None;
 }
 
 wxEvtHandler::~wxEvtHandler()
@@ -788,6 +604,10 @@ wxEvtHandler::~wxEvtHandler()
     delete m_eventsLocker;
 #  endif
 #endif
+
+    // we only delete object data, not untyped
+    if ( m_clientDataType == wxClientData_Object )
+        delete m_clientObject;
 }
 
 #if wxUSE_THREADS
@@ -809,6 +629,13 @@ void wxEvtHandler::AddPendingEvent(wxEvent& event)
 {
     // 1) Add event to list of pending events of this event handler
 
+    wxEvent *eventCopy = event.Clone();
+
+    // we must be able to copy the events here so the event class must
+    // implement Clone() properly instead of just providing a NULL stab for it
+    wxCHECK_RET( eventCopy,
+                 _T("events of this type aren't supposed to be posted") );
+
 #if defined(__VISAGECPP__)
     wxENTER_CRIT_SECT( m_eventsLocker);
 #else
@@ -818,9 +645,7 @@ void wxEvtHandler::AddPendingEvent(wxEvent& event)
     if ( !m_pendingEvents )
       m_pendingEvents = new wxList;
 
-    wxEvent *event2 = (wxEvent *)event.Clone();
-
-    m_pendingEvents->Append(event2);
+    m_pendingEvents->Append(eventCopy);
 
 #if defined(__VISAGECPP__)
     wxLEAVE_CRIT_SECT( m_eventsLocker);
@@ -891,8 +716,8 @@ bool wxEvtHandler::ProcessEvent(wxEvent& event)
 {
 #if wxUSE_GUI
 
-    // We have to use the actual window or processing events from wxWindowNative
-    // destructor won't work (we don't see the wxWindow class)
+    // We have to use the actual window or processing events from
+    // wxWindowNative destructor won't work (we don't see the wxWindow class)
 #ifdef __WXDEBUG__
     // check that our flag corresponds to reality
     wxClassInfo* info = NULL;
@@ -903,6 +728,8 @@ bool wxEvtHandler::ProcessEvent(wxEvent& event)
     info = CLASSINFO(wxWindowGTK);
 #  elif defined(__WXMGL__)
     info = CLASSINFO(wxWindowMGL);
+#  elif defined(__WXPM__)
+    info = CLASSINFO(wxWindowOS2);
 #  elif defined(__WXMAC__)
     info = CLASSINFO(wxWindowMac);
 #  elif defined(__WXMOTIF__)
@@ -913,7 +740,7 @@ bool wxEvtHandler::ProcessEvent(wxEvent& event)
 #endif
 
     wxASSERT_MSG( m_isWindow == IsKindOf(info),
-                  _T("this should [not] be a window but it is [not]") );
+                  wxString(GetClassInfo()->GetClassName()) + _T(" should [not] be a window but it is [not]") );
 #endif
 
 #endif // wxUSE_GUI
@@ -991,12 +818,14 @@ bool wxEvtHandler::ProcessEvent(wxEvent& event)
     {
         wxWindow *win = (wxWindow *)this;
 
-        // also, don't propagate events beyond the first top level window: it
-        // doesn't make sense to process dialogs events in the parent frame
-        if ( !win->IsTopLevel() )
+        // honour the requests to stop propagation at this window: this is
+        // used by the dialogs, for example, to prevent processing the events
+        // from the dialog controls in the parent frame which rarely, if ever,
+        // makes sense
+        if ( !(win->GetExtraStyle() & wxWS_EX_BLOCK_EVENTS) )
         {
             wxWindow *parent = win->GetParent();
-            if (parent && !parent->IsBeingDeleted())
+            if ( parent && !parent->IsBeingDeleted() )
                 return parent->GetEventHandler()->ProcessEvent(event);
         }
     }
@@ -1159,6 +988,48 @@ bool wxEvtHandler::SearchDynamicEventTable( wxEvent& event )
     return FALSE;
 };
 
+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;
+}
+
+
 #if WXWIN_COMPATIBILITY
 bool wxEvtHandler::OnClose()
 {