added NZST and NZDT time zones (request 617912)

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

diff --git a/include/wx/event.h b/include/wx/event.h
index acdf448c41fc515e19f1e0aa917ee8567f17e496..e04df5470756e078c5a9b6a80ec3262420bee02c 100644 (file)
--- a/include/wx/event.h
+++ b/include/wx/event.h
@@ -230,7 +230,7 @@ BEGIN_DECLARE_EVENT_TYPES()
     DECLARE_EVENT_TYPE(wxEVT_END_SESSION, 403)
     DECLARE_EVENT_TYPE(wxEVT_QUERY_END_SESSION, 404)
     DECLARE_EVENT_TYPE(wxEVT_ACTIVATE_APP, 405)
-    DECLARE_EVENT_TYPE(wxEVT_POWER, 406)
+    // 406..408 are power events
     DECLARE_EVENT_TYPE(wxEVT_ACTIVATE, 409)
     DECLARE_EVENT_TYPE(wxEVT_CREATE, 410)
     DECLARE_EVENT_TYPE(wxEVT_DESTROY, 411)
@@ -238,14 +238,14 @@ BEGIN_DECLARE_EVENT_TYPES()
     DECLARE_EVENT_TYPE(wxEVT_ICONIZE, 413)
     DECLARE_EVENT_TYPE(wxEVT_MAXIMIZE, 414)
     DECLARE_EVENT_TYPE(wxEVT_MOUSE_CAPTURE_CHANGED, 415)
-    DECLARE_EVENT_TYPE(wxEVT_PAINT, 416)
-    DECLARE_EVENT_TYPE(wxEVT_ERASE_BACKGROUND, 417)
-    DECLARE_EVENT_TYPE(wxEVT_NC_PAINT, 418)
-    DECLARE_EVENT_TYPE(wxEVT_PAINT_ICON, 419)
-    DECLARE_EVENT_TYPE(wxEVT_MENU_OPEN, 420)
-    DECLARE_EVENT_TYPE(wxEVT_MENU_CLOSE, 421)
-    DECLARE_EVENT_TYPE(wxEVT_MENU_HIGHLIGHT, 422)
-    // DECLARE_EVENT_TYPE(wxEVT_POPUP_MENU_INIT, 423) -- free slot
+    DECLARE_EVENT_TYPE(wxEVT_MOUSE_CAPTURE_LOST, 416)
+    DECLARE_EVENT_TYPE(wxEVT_PAINT, 417)
+    DECLARE_EVENT_TYPE(wxEVT_ERASE_BACKGROUND, 418)
+    DECLARE_EVENT_TYPE(wxEVT_NC_PAINT, 419)
+    DECLARE_EVENT_TYPE(wxEVT_PAINT_ICON, 420)
+    DECLARE_EVENT_TYPE(wxEVT_MENU_OPEN, 421)
+    DECLARE_EVENT_TYPE(wxEVT_MENU_CLOSE, 422)
+    DECLARE_EVENT_TYPE(wxEVT_MENU_HIGHLIGHT, 423)
     DECLARE_EVENT_TYPE(wxEVT_CONTEXT_MENU, 424)
     DECLARE_EVENT_TYPE(wxEVT_SYS_COLOUR_CHANGED, 425)
     DECLARE_EVENT_TYPE(wxEVT_DISPLAY_CHANGED, 426)
@@ -266,6 +266,7 @@ BEGIN_DECLARE_EVENT_TYPES()
     DECLARE_EVENT_TYPE(wxEVT_SIZING, 441)
     DECLARE_EVENT_TYPE(wxEVT_MOVING, 442)
     DECLARE_EVENT_TYPE(wxEVT_HIBERNATE, 443)
+    // more power events follow -- see wx/power.h
 
         // Clipboard events
     DECLARE_EVENT_TYPE(wxEVT_COMMAND_TEXT_COPY, 444)
@@ -1184,7 +1185,7 @@ public:
         g_isPainting++;
     }
 
-    ~wxPaintEvent()
+    virtual ~wxPaintEvent()
     {
         g_isPainting--;
     }
@@ -1796,6 +1797,29 @@ private:
     DECLARE_DYNAMIC_CLASS_NO_ASSIGN(wxMouseCaptureChangedEvent)
 };
 
+/*
+ wxEVT_MOUSE_CAPTURE_LOST
+ The window losing the capture receives this message, unless it released it
+ it itself or unless wxWindow::CaptureMouse was called on another window
+ (and so capture will be restored when the new capturer releases it).
+ */
+
+class WXDLLIMPEXP_CORE wxMouseCaptureLostEvent : public wxEvent
+{
+public:
+    wxMouseCaptureLostEvent(wxWindowID winid = 0)
+        : wxEvent(winid, wxEVT_MOUSE_CAPTURE_LOST)
+    {}
+
+    wxMouseCaptureLostEvent(const wxMouseCaptureLostEvent& event)
+        : wxEvent(event)
+    {}
+
+    virtual wxEvent *Clone() const { return new wxMouseCaptureLostEvent(*this); }
+
+    DECLARE_DYNAMIC_CLASS_NO_ASSIGN(wxMouseCaptureLostEvent)
+};
+
 /*
  wxEVT_DISPLAY_CHANGED
  */
@@ -1983,17 +2007,28 @@ private:
 class WXDLLIMPEXP_CORE wxHelpEvent : public wxCommandEvent
 {
 public:
+    // how was this help event generated?
+    enum Origin
+    {
+        Origin_Unknown,    // unrecognized event source
+        Origin_Keyboard,   // event generated from F1 key press
+        Origin_HelpButton  // event from [?] button on the title bar (Windows)
+    };
+
     wxHelpEvent(wxEventType type = wxEVT_NULL,
                 wxWindowID winid = 0,
-                const wxPoint& pt = wxDefaultPosition)
+                const wxPoint& pt = wxDefaultPosition,
+                Origin origin = Origin_Unknown)
         : wxCommandEvent(type, winid),
-          m_pos(pt), m_target(), m_link()
+          m_pos(pt),
+          m_origin(GuessOrigin(origin))
     { }
     wxHelpEvent(const wxHelpEvent & event)
         : wxCommandEvent(event),
           m_pos(event.m_pos),
           m_target(event.m_target),
-          m_link(event.m_link)
+          m_link(event.m_link),
+          m_origin(event.m_origin)
     { }
 
     // Position of event (in screen coordinates)
@@ -2010,10 +2045,19 @@ public:
 
     virtual wxEvent *Clone() const { return new wxHelpEvent(*this); }
 
+    // optional indication of the event source
+    Origin GetOrigin() const { return m_origin; }
+    void SetOrigin(Origin origin) { m_origin = origin; }
+
 protected:
     wxPoint   m_pos;
     wxString  m_target;
     wxString  m_link;
+    Origin    m_origin;
+
+    // we can try to guess the event origin ourselves, even if none is
+    // specified in the ctor
+    static Origin GuessOrigin(Origin origin);
 
 private:
     DECLARE_DYNAMIC_CLASS_NO_ASSIGN(wxHelpEvent)
@@ -2140,7 +2184,6 @@ private:
 #endif // wxUSE_GUI
 
 /* TODO
- wxEVT_POWER,
  wxEVT_MOUSE_CAPTURE_CHANGED,
  wxEVT_SETTING_CHANGED, // WM_WININICHANGE (NT) / WM_SETTINGCHANGE (Win95)
 // wxEVT_FONT_CHANGED,  // WM_FONTCHANGE: roll into wxEVT_SETTING_CHANGED, but remember to propagate
@@ -2355,7 +2398,6 @@ public:
     // add an event to be processed later
     void AddPendingEvent(wxEvent& event);
 
-    // process all pending events
     void ProcessPendingEvents();
 
 #if wxUSE_THREADS
@@ -2415,6 +2457,11 @@ public:
     void SetClientData( void *data ) { DoSetClientData(data); }
     void *GetClientData() const { return DoGetClientData(); }
 
+    // reentrance guard
+    void AllowReentrance( bool allow = true ) { m_reentranceAllowed = allow; }
+    bool IsReentranceAllowed()                { return m_reentranceAllowed; }
+    bool IsEventHandlingInProgress()          { return m_eventHandlingInProgress; } 
+    
     // check if the given event table entry matches this event and call the
     // handler if it does
     //
@@ -2484,6 +2531,9 @@ protected:
 #  endif
 #endif
 
+    bool                m_reentranceAllowed;          // Reentrance is allowed for this handler?
+    bool                m_eventHandlingInProgress;    // Eventhandling is in progress?
+    
     // Is event handler enabled?
     bool                m_enabled;
 
@@ -2564,6 +2614,7 @@ typedef void (wxEvtHandler::*wxNotifyEventFunction)(wxNotifyEvent&);
 typedef void (wxEvtHandler::*wxHelpEventFunction)(wxHelpEvent&);
 typedef void (wxEvtHandler::*wxContextMenuEventFunction)(wxContextMenuEvent&);
 typedef void (wxEvtHandler::*wxMouseCaptureChangedEventFunction)(wxMouseCaptureChangedEvent&);
+typedef void (wxEvtHandler::*wxMouseCaptureLostEventFunction)(wxMouseCaptureLostEvent&);
 typedef void (wxEvtHandler::*wxClipboardTextEventFunction)(wxClipboardTextEvent&);
 
 // these typedefs don't have the same name structure as the others, keep for
@@ -2645,6 +2696,8 @@ typedef void (wxEvtHandler::*wxClipboardTextEventFunction)(wxClipboardTextEvent&
     (wxObjectEventFunction)(wxEventFunction)wxStaticCastEvent(wxContextMenuEventFunction, &func)
 #define wxMouseCaptureChangedEventHandler(func) \
     (wxObjectEventFunction)(wxEventFunction)wxStaticCastEvent(wxMouseCaptureChangedEventFunction, &func)
+#define wxMouseCaptureLostEventHandler(func) \
+    (wxObjectEventFunction)(wxEventFunction)wxStaticCastEvent(wxMouseCaptureLostEventFunction, &func)
 #define wxClipboardTextEventHandler(func) \
     (wxObjectEventFunction)(wxEventFunction)wxStaticCastEvent(wxClipboardTextEventFunction, &func)
 
@@ -2863,6 +2916,7 @@ typedef void (wxEvtHandler::*wxClipboardTextEventFunction)(wxClipboardTextEvent&
 #define EVT_WINDOW_DESTROY(func) wx__DECLARE_EVT0(wxEVT_DESTROY, wxWindowDestroyEventHandler(func))
 #define EVT_SET_CURSOR(func) wx__DECLARE_EVT0(wxEVT_SET_CURSOR, wxSetCursorEventHandler(func))
 #define EVT_MOUSE_CAPTURE_CHANGED(func) wx__DECLARE_EVT0(wxEVT_MOUSE_CAPTURE_CHANGED, wxMouseCaptureChangedEventHandler(func))
+#define EVT_MOUSE_CAPTURE_LOST(func) wx__DECLARE_EVT0(wxEVT_MOUSE_CAPTURE_LOST, wxMouseCaptureLostEventHandler(func))
 
 // Mouse events
 #define EVT_LEFT_DOWN(func) wx__DECLARE_EVT0(wxEVT_LEFT_DOWN, wxMouseEventHandler(func))