X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/ecdc118383f458bd7e684ab631f6e5d23cc6d251..99c4be680622f58a48a04dfe0835b59d2c41afea:/include/wx/window.h

diff --git a/include/wx/window.h b/include/wx/window.h
index 73411b2167..ba5f596d78 100644
--- a/include/wx/window.h
+++ b/include/wx/window.h
@@ -199,7 +199,7 @@ public:
     bool DestroyChildren();
 
         // is the window being deleted?
-    bool IsBeingDeleted() const { return m_isBeingDeleted; }
+    bool IsBeingDeleted() const;
 
     // window attributes
     // -----------------
@@ -792,7 +792,7 @@ public:
 
         // replace the event handler (allows to completely subclass the
         // window)
-    void SetEventHandler( wxEvtHandler *handler ) { m_eventHandler = handler; }
+    void SetEventHandler( wxEvtHandler *handler );
 
         // push/pop event handler: allows to chain a custom event handler to
         // alreasy existing ones
@@ -806,13 +806,44 @@ public:
         // be there)
     bool RemoveEventHandler(wxEvtHandler *handler);
 
-    // Process an event by calling GetEventHandler()->ProcessEvent() and
-    // handling any exceptions thrown by event handlers. It's mostly useful
-    // when processing wx events when called from C code (e.g. in GTK+
-    // callback) when the exception wouldn't correctly propagate to
-    // wxEventLoop.
+        // Process an event by calling GetEventHandler()->ProcessEvent(): this
+        // is a straightforward replacement for ProcessEvent() itself which
+        // shouldn't be used directly with windows as it doesn't take into
+        // account any event handlers associated with the window
+    bool ProcessWindowEvent(wxEvent& event)
+        { return GetEventHandler()->ProcessEvent(event); }
+
+        // Process an event by calling GetEventHandler()->ProcessEvent() and
+        // handling any exceptions thrown by event handlers. It's mostly useful
+        // when processing wx events when called from C code (e.g. in GTK+
+        // callback) when the exception wouldn't correctly propagate to
+        // wxEventLoop.
     bool HandleWindowEvent(wxEvent& event) const;
 
+        // disable wxEvtHandler double-linked list mechanism:
+    virtual void SetNextHandler(wxEvtHandler *handler);
+    virtual void SetPreviousHandler(wxEvtHandler *handler);
+
+protected:
+
+    // NOTE: we change the access specifier of the following wxEvtHandler functions
+    //       so that the user won't be able to call them directly.
+    //       Calling wxWindow::ProcessEvent in fact only works when there are NO
+    //       event handlers pushed on the window.
+    //       To ensure correct operation, instead of wxWindow::ProcessEvent
+    //       you must always call wxWindow::GetEventHandler()->ProcessEvent()
+    //       or HandleWindowEvent().
+    //       The same holds for all other wxEvtHandler functions.
+
+    using wxEvtHandler::ProcessEvent;
+    using wxEvtHandler::ProcessThreadEvent;
+    using wxEvtHandler::SafelyProcessEvent;
+    using wxEvtHandler::ProcessPendingEvents;
+    using wxEvtHandler::AddPendingEvent;
+    using wxEvtHandler::QueueEvent;
+
+public:
+
     // validators
     // ----------
 
@@ -1037,8 +1068,8 @@ public:
         // font
     virtual void GetTextExtent(const wxString& string,
                                int *x, int *y,
-                               int *descent = (int *) NULL,
-                               int *externalLeading = (int *) NULL,
+                               int *descent = NULL,
+                               int *externalLeading = NULL,
                                const wxFont *theFont = (const wxFont *) NULL)
                                const = 0;
 
@@ -1141,7 +1172,7 @@ public:
 
         // scroll window to the specified position
     virtual void ScrollWindow( int dx, int dy,
-                               const wxRect* rect = (wxRect *) NULL ) = 0;
+                               const wxRect* rect = NULL ) = 0;
 
         // scrolls window by line/page: note that not all controls support this
         //
@@ -1208,16 +1239,20 @@ public:
 #if wxUSE_TOOLTIPS
         // the easiest way to set a tooltip for a window is to use this method
     void SetToolTip( const wxString &tip );
-        // attach a tooltip to the window
+        // attach a tooltip to the window, pointer can be NULL to remove
+        // existing tooltip
     void SetToolTip( wxToolTip *tip ) { DoSetToolTip(tip); }
+        // more readable synonym for SetToolTip(NULL)
+    void UnsetToolTip() { SetToolTip(NULL); }
         // get the associated tooltip or NULL if none
     wxToolTip* GetToolTip() const { return m_tooltip; }
-    wxString GetToolTipText() const ;
-#else
+    wxString GetToolTipText() const;
+#else // !wxUSE_TOOLTIPS
         // make it much easier to compile apps in an environment
         // that doesn't support tooltips, such as PocketPC
-    inline void SetToolTip( const wxString & WXUNUSED(tip) ) {}
-#endif // wxUSE_TOOLTIPS
+    void SetToolTip(const wxString & WXUNUSED(tip)) { }
+    void UnsetToolTip() { }
+#endif // wxUSE_TOOLTIPS/!wxUSE_TOOLTIPS
 
     // drag and drop
     // -------------
@@ -1226,6 +1261,16 @@ public:
         // NULL; it's owned by the window and will be deleted by it)
     virtual void SetDropTarget( wxDropTarget *dropTarget ) = 0;
     virtual wxDropTarget *GetDropTarget() const { return m_dropTarget; }
+
+    // Accept files for dragging
+    virtual void DragAcceptFiles(bool accept)
+#ifdef __WXMSW__
+    // it does have common implementation but not for MSW which has its own
+    // native version of it
+    = 0
+#endif // __WXMSW__
+    ;
+
 #endif // wxUSE_DRAG_AND_DROP
 
     // constraints and sizers
@@ -1388,7 +1433,8 @@ protected:
     void SatisfyConstraints();
 #endif // wxUSE_CONSTRAINTS
 
-    // Send the wxWindowDestroyEvent
+    // Send the wxWindowDestroyEvent if not done yet and sets m_isBeingDeleted
+    // to true
     void SendDestroyEvent();
 
     // returns the main window of composite control; this is the window
@@ -1637,8 +1683,9 @@ private:
     void NotifyWindowOnEnableChange(bool enabled);
 
 #if wxUSE_MENUS
-    // temporary event handler used by GetPopupMenuSelectionFromUser()
+    // temporary event handlers used by GetPopupMenuSelectionFromUser()
     void InternalOnPopupMenu(wxCommandEvent& event);
+    void InternalOnPopupMenuUpdate(wxUpdateUIEvent& event);
 
     // implementation of the public GetPopupMenuSelectionFromUser() method
     int DoGetPopupMenuSelectionFromUser(wxMenu& menu, int x, int y);
@@ -1776,7 +1823,7 @@ inline void wxWindowBase::SetInitialBestSize(const wxSize& size)
 
 inline wxWindow *wxWindowBase::GetGrandParent() const
 {
-    return m_parent ? m_parent->GetParent() : (wxWindow *)NULL;
+    return m_parent ? m_parent->GetParent() : NULL;
 }
 
 // ----------------------------------------------------------------------------