document various enumerations defined in defs.h; give a name to the anonymous enum...

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

diff --git a/include/wx/window.h b/include/wx/window.h
index ae6b8d16619a33f27ab8e0b3063a78ea2e60117b..3454055f9a5796ff730b4a0bb3262d1b3fb4856a 100644 (file)
--- a/include/wx/window.h
+++ b/include/wx/window.h
@@ -131,6 +131,12 @@ enum wxShowEffect
     wxSHOW_EFFECT_MAX
 };
 
     wxSHOW_EFFECT_MAX
 };
 

+// flags for SendSizeEvent()
+enum
+{
+    wxSEND_EVENT_POST = 1
+};
+

 // ----------------------------------------------------------------------------
 // (pseudo)template list classes
 // ----------------------------------------------------------------------------
 // ----------------------------------------------------------------------------
 // (pseudo)template list classes
 // ----------------------------------------------------------------------------


@@ -193,7 +199,7 @@ public:
     bool DestroyChildren();
 
         // is the window being deleted?
     bool DestroyChildren();
 
         // is the window being deleted?

-    bool IsBeingDeleted() const { return m_isBeingDeleted; }
+    bool IsBeingDeleted() const;

 
     // window attributes
     // -----------------
 
     // window attributes
     // -----------------


@@ -528,8 +534,35 @@ public:
     // stretch over several lines). Parameter availableOtherDir
     // tells the item how much more space there is available in the opposite
     // direction (-1 if unknown).
     // stretch over several lines). Parameter availableOtherDir
     // tells the item how much more space there is available in the opposite
     // direction (-1 if unknown).

-    virtual bool InformFirstDirection( int WXUNUSED(direction), int WXUNUSED(size), int WXUNUSED(availableOtherDir) )
-    { return false; }
+    virtual bool
+    InformFirstDirection(int WXUNUSED(direction),
+                         int WXUNUSED(size),
+                         int WXUNUSED(availableOtherDir))
+    {
+        return false;
+    }
+
+    // sends a size event to the window using its current size -- this has an
+    // effect of refreshing the window layout
+    //
+    // by default the event is sent, i.e. processed immediately, but if flags
+    // value includes wxSEND_EVENT_POST then it's posted, i.e. only schedule
+    // for later processing
+    virtual void SendSizeEvent(int flags = 0);
+
+    // this is a safe wrapper for GetParent()->SendSizeEvent(): it checks that
+    // we have a parent window and it's not in process of being deleted
+    //
+    // this is used by controls such as tool/status bars changes to which must
+    // also result in parent re-layout
+    void SendSizeEventToParent(int flags = 0);
+
+    // this is a more readable synonym for SendSizeEvent(wxSEND_EVENT_POST)
+    void PostSizeEvent() { SendSizeEvent(wxSEND_EVENT_POST); }
+
+    // this is the same as SendSizeEventToParent() but using PostSizeEvent()
+    void PostSizeEventToParent() { SendSizeEventToParent(wxSEND_EVENT_POST); }
+

 
     // window state
     // ------------
 
     // window state
     // ------------


@@ -759,7 +792,7 @@ public:
 
         // replace the event handler (allows to completely subclass the
         // window)
 
         // 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
 
         // push/pop event handler: allows to chain a custom event handler to
         // alreasy existing ones


@@ -773,13 +806,37 @@ public:
         // be there)
     bool RemoveEventHandler(wxEvtHandler *handler);
 
         // 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() 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;
 
     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
     // ----------
 
     // validators
     // ----------
 


@@ -1004,8 +1061,8 @@ public:
         // font
     virtual void GetTextExtent(const wxString& string,
                                int *x, int *y,
         // 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;
 
                                const wxFont *theFont = (const wxFont *) NULL)
                                const = 0;
 


@@ -1108,7 +1165,7 @@ public:
 
         // scroll window to the specified position
     virtual void ScrollWindow( int dx, int dy,
 
         // 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
         //
 
         // scrolls window by line/page: note that not all controls support this
         //


@@ -1175,16 +1232,20 @@ public:
 #if wxUSE_TOOLTIPS
         // the easiest way to set a tooltip for a window is to use this method
     void SetToolTip( const wxString &tip );
 #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); }
     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; }
         // 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
         // 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
     // -------------
 
     // drag and drop
     // -------------


@@ -1193,6 +1254,16 @@ 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; }
         // 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
 #endif // wxUSE_DRAG_AND_DROP
 
     // constraints and sizers


@@ -1355,7 +1426,8 @@ protected:
     void SatisfyConstraints();
 #endif // wxUSE_CONSTRAINTS
 
     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
     void SendDestroyEvent();
 
     // returns the main window of composite control; this is the window


@@ -1604,8 +1676,9 @@ private:
     void NotifyWindowOnEnableChange(bool enabled);
 
 #if wxUSE_MENUS
     void NotifyWindowOnEnableChange(bool enabled);
 
 #if wxUSE_MENUS

-    // temporary event handler used by GetPopupMenuSelectionFromUser()
+    // temporary event handlers used by GetPopupMenuSelectionFromUser()

     void InternalOnPopupMenu(wxCommandEvent& event);
     void InternalOnPopupMenu(wxCommandEvent& event);

+    void InternalOnPopupMenuUpdate(wxUpdateUIEvent& event);

 
     // implementation of the public GetPopupMenuSelectionFromUser() method
     int DoGetPopupMenuSelectionFromUser(wxMenu& menu, int x, int y);
 
     // implementation of the public GetPopupMenuSelectionFromUser() method
     int DoGetPopupMenuSelectionFromUser(wxMenu& menu, int x, int y);


@@ -1709,7 +1782,7 @@ inline void wxWindowBase::SetInitialBestSize(const wxSize& size)
     #else // !wxUniv
         #define wxWindowMac wxWindow
     #endif // wxUniv
     #else // !wxUniv
         #define wxWindowMac wxWindow
     #endif // wxUniv

-    #include "wx/mac/window.h"
+    #include "wx/osx/window.h"

 #elif defined(__WXCOCOA__)
     #ifdef __WXUNIVERSAL__
         #define wxWindowNative wxWindowCocoa
 #elif defined(__WXCOCOA__)
     #ifdef __WXUNIVERSAL__
         #define wxWindowNative wxWindowCocoa


@@ -1743,7 +1816,7 @@ inline void wxWindowBase::SetInitialBestSize(const wxSize& size)
 
 inline wxWindow *wxWindowBase::GetGrandParent() const
 {
 
 inline wxWindow *wxWindowBase::GetGrandParent() const
 {

-    return m_parent ? m_parent->GetParent() : (wxWindow *)NULL;
+    return m_parent ? m_parent->GetParent() : NULL;

 }
 
 // ----------------------------------------------------------------------------
 }
 
 // ----------------------------------------------------------------------------