adding the notion of cyclic group of radiobutton

[wxWidgets.git] / include / wx / event.h

diff --git a/include/wx/event.h b/include/wx/event.h
index 2831bc3f861497d56169e8f3318ea1f347ae30f4..93e2619606e2279c258c653e06e3303744938221 100644 (file)
--- a/include/wx/event.h
+++ b/include/wx/event.h
@@ -23,9 +23,7 @@
     #include "wx/gdicmn.h"
 #endif
 
-#if wxUSE_THREADS
-    #include "wx/thread.h"
-#endif
+#include "wx/thread.h"
 
 // ----------------------------------------------------------------------------
 // forward declarations
@@ -607,8 +605,23 @@ public:
     bool Leaving() const { return (m_eventType == wxEVT_LEAVE_WINDOW); }
 
     // Find the position of the event
-    void GetPosition(long *xpos, long *ypos) const { *xpos = m_x; *ypos = m_y; }
-    void Position(long *xpos, long *ypos) const { *xpos = m_x; *ypos = m_y; }
+    void GetPosition(wxCoord *xpos, wxCoord *ypos) const 
+    {
+        if (xpos)
+            *xpos = m_x; 
+        if (ypos)
+            *ypos = m_y;
+    }
+
+#ifndef __WIN16__
+    void GetPosition(long *xpos, long *ypos) const
+    {
+        if (xpos)
+            *xpos = (long)m_x; 
+        if (ypos)
+            *ypos = (long)m_y;
+    }
+#endif
 
     // Find the position of the event
     wxPoint GetPosition() const { return wxPoint(m_x, m_y); }
@@ -618,6 +631,14 @@ public:
 
     // Compatibility
 #if WXWIN_COMPATIBILITY
+    void Position(long *xpos, long *ypos) const 
+    {
+        if (xpos)
+            *xpos = (long)m_x; 
+        if (ypos)
+            *ypos = (long)m_y;
+    }
+
     void Position(float *xpos, float *ypos) const
     {
         *xpos = (float) m_x; *ypos = (float) m_y;
@@ -633,8 +654,8 @@ public:
     void CopyObject(wxObject& obj) const;
 
 public:
-    long          m_x;
-    long          m_y;
+    wxCoord m_x, m_y;
+
     bool          m_leftDown;
     bool          m_middleDown;
     bool          m_rightDown;
@@ -669,24 +690,36 @@ public:
     long KeyCode() const { return m_keyCode; }
 
     // Find the position of the event
+    void GetPosition(wxCoord *xpos, wxCoord *ypos) const
+    {
+        if (xpos) *xpos = m_x; 
+        if (ypos) *ypos = m_y;
+    }
+
+#ifndef __WIN16__
     void GetPosition(long *xpos, long *ypos) const
-        { *xpos = m_x; *ypos = m_y; }
+    {
+        if (xpos) *xpos = (long)m_x; 
+        if (ypos) *ypos = (long)m_y;
+    }
+#endif
 
     wxPoint GetPosition() const
         { return wxPoint(m_x, m_y); }
 
     // Get X position
-    long GetX() const { return m_x; }
+    wxCoord GetX() const { return m_x; }
 
     // Get Y position
-    long GetY() const { return m_y; }
+    wxCoord GetY() const { return m_y; }
 
     void CopyObject(wxObject& obj) const;
 
 public:
-    long          m_x;
-    long          m_y;
+    wxCoord       m_x, m_y;
+
     long          m_keyCode;
+
     bool          m_controlDown;
     bool          m_shiftDown;
     bool          m_altDown;
@@ -1281,6 +1314,10 @@ protected:
  wxEVT_COMPARE_ITEM
 */
 
+// ============================================================================
+// event handler and related classes
+// ============================================================================
+
 typedef void (wxObject::*wxObjectEventFunction)(wxEvent&);
 
 struct WXDLLEXPORT wxEventTableEntry
@@ -1314,31 +1351,22 @@ public:
     void SetNextHandler(wxEvtHandler *handler) { m_nextHandler = handler; }
     void SetPreviousHandler(wxEvtHandler *handler) { m_previousHandler = handler; }
 
-    void SetEvtHandlerEnabled(bool en) { m_enabled = en; }
+    void SetEvtHandlerEnabled(bool enabled) { m_enabled = enabled; }
     bool GetEvtHandlerEnabled() const { return m_enabled; }
 
-#if WXWIN_COMPATIBILITY_2
-    virtual void OnCommand(wxWindow& WXUNUSED(win),
-                           wxCommandEvent& WXUNUSED(event))
-    {
-        wxFAIL_MSG(wxT("shouldn't be called any more"));
-    }
+    // process an event right now
+    virtual bool ProcessEvent(wxEvent& event);
 
-    // Called if child control has no callback function
-    virtual long Default()
-        { return GetNextHandler() ? GetNextHandler()->Default() : 0; };
-#endif // WXWIN_COMPATIBILITY_2
+    // add an event to be processed later
+    void AddPendingEvent(wxEvent& event);
 
-#if WXWIN_COMPATIBILITY
-    virtual bool OnClose();
-#endif
+    // process all pending events
+    void ProcessPendingEvents();
 
+    // add a 
 #if wxUSE_THREADS
     bool ProcessThreadEvent(wxEvent& event);
-    void ProcessPendingEvents();
 #endif
-    virtual bool ProcessEvent(wxEvent& event);
-    virtual bool SearchEventTable(wxEventTable& table, wxEvent& event);
 
     // Dynamic association of a member function handler with the event handler,
     // id and event type
@@ -1352,14 +1380,44 @@ public:
                   wxObject *userData = (wxObject *) NULL )
         { Connect(id, -1, eventType, func, userData); }
 
+    bool Disconnect( int id, int lastId = -1, wxEventType eventType = wxEVT_NULL,
+                  wxObjectEventFunction func = NULL,
+                  wxObject *userData = (wxObject *) NULL );
+
+    // Convenience function: take just one id
+    bool Disconnect( int id, wxEventType eventType = wxEVT_NULL,
+                  wxObjectEventFunction func = NULL,
+                  wxObject *userData = (wxObject *) NULL )
+        { return Disconnect(id, -1, eventType, func, userData); }
+       
+    // implementation from now on
+    virtual bool SearchEventTable(wxEventTable& table, wxEvent& event);
     bool SearchDynamicEventTable( wxEvent& event );
 
 #if wxUSE_THREADS
     void ClearEventLocker() { delete m_eventsLocker; m_eventsLocker = NULL; };
 #endif
 
+    // old stuff
+
+#if WXWIN_COMPATIBILITY_2
+    virtual void OnCommand(wxWindow& WXUNUSED(win),
+                           wxCommandEvent& WXUNUSED(event))
+    {
+        wxFAIL_MSG(wxT("shouldn't be called any more"));
+    }
+
+    // Called if child control has no callback function
+    virtual long Default()
+        { return GetNextHandler() ? GetNextHandler()->Default() : 0; };
+#endif // WXWIN_COMPATIBILITY_2
+
+#if WXWIN_COMPATIBILITY
+    virtual bool OnClose();
+#endif
+
 private:
-    static const wxEventTableEntry         sm_eventTableEntries[];
+    static const wxEventTableEntry sm_eventTableEntries[];
 
 protected:
     static const wxEventTable sm_eventTable;
@@ -1369,7 +1427,6 @@ protected:
 protected:
     wxEvtHandler*       m_nextHandler;
     wxEvtHandler*       m_previousHandler;
-    bool                m_enabled;           // Is event handler enabled?
     wxList*             m_dynamicEvents;
     wxList*             m_pendingEvents;
 #if wxUSE_THREADS
@@ -1379,6 +1436,9 @@ protected:
     // optimization: instead of using costly IsKindOf() to decide whether we're
     // a window (which is true in 99% of cases), use this flag
     bool                m_isWindow;
+
+    // Is event handler enabled?
+    bool                m_enabled;
 };
 
 typedef void (wxEvtHandler::*wxEventFunction)(wxEvent&);
@@ -1614,6 +1674,17 @@ const wxEventTableEntry theClass::sm_eventTableEntries[] = { \
 #define EVT_UPDATE_UI(id, func) \
  { wxEVT_UPDATE_UI, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxUpdateUIEventFunction) & func, (wxObject *) NULL },\
 
+// ----------------------------------------------------------------------------
+// Global data
+// ----------------------------------------------------------------------------
+
+// for pending event processing - notice that there is intentionally no
+// WXDLLEXPORT here
+extern wxList *wxPendingEvents;
+#if wxUSE_THREADS
+    extern wxCriticalSection *wxPendingEventsLocker;
+#endif
+
 // ----------------------------------------------------------------------------
 // Helper functions
 // ----------------------------------------------------------------------------