deprecate wxSTRING_MAXLEN in favour of wxString::npos

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

diff --git a/include/wx/window.h b/include/wx/window.h
index ad27c0c68ee1aaea0f73e6ae846bd2a581e68785..38c73a5c10805dcafe4027b698b9fc07b30124a3 100644 (file)
--- a/include/wx/window.h
+++ b/include/wx/window.h
@@ -25,6 +25,7 @@
 #include "wx/colour.h"
 #include "wx/region.h"
 #include "wx/utils.h"
+#include "wx/intl.h"
 
 #include "wx/validate.h"        // for wxDefaultValidator (always include it)
 
@@ -64,6 +65,7 @@ class WXDLLEXPORT wxSizer;
 class WXDLLEXPORT wxToolTip;
 class WXDLLEXPORT wxWindowBase;
 class WXDLLEXPORT wxWindow;
+class WXDLLEXPORT wxScrollHelper;
 
 #if wxUSE_ACCESSIBILITY
 class WXDLLEXPORT wxAccessible;
@@ -180,9 +182,10 @@ public:
     virtual void SetName( const wxString &name ) { m_windowName = name; }
     virtual wxString GetName() const { return m_windowName; }
 
-    // sets the window variant, calls internally DoSetVariant if variant has changed
-    void SetWindowVariant( wxWindowVariant variant ) ;
-    wxWindowVariant GetWindowVariant() const { return m_windowVariant ; }
+        // sets the window variant, calls internally DoSetVariant if variant
+        // has changed
+    void SetWindowVariant(wxWindowVariant variant);
+    wxWindowVariant GetWindowVariant() const { return m_windowVariant; }
 
 
         // window id uniquely identifies the window among its siblings unless
@@ -190,6 +193,19 @@ public:
     void SetId( wxWindowID winid ) { m_windowId = winid; }
     wxWindowID GetId() const { return m_windowId; }
 
+        // get or change the layout direction (LTR or RTL) for this window,
+        // wxLayout_Default is returned if layout direction is not supported
+    virtual wxLayoutDirection GetLayoutDirection() const
+        { return wxLayout_Default; }
+    virtual void SetLayoutDirection(wxLayoutDirection WXUNUSED(dir))
+        { }
+
+        // mirror coordinates for RTL layout if this window uses it and if the
+        // mirroring is not done automatically like Win32
+    virtual wxCoord AdjustForLayoutDirection(wxCoord x,
+                                             wxCoord width,
+                                             wxCoord widthTotal) const;
+
         // generate a control id for the controls which were not given one by
         // user
     static int NewControlId() { return --ms_lastControlId; }
@@ -328,6 +344,9 @@ public:
             *h = s.y;
     }
 
+    void SetScrollHelper( wxScrollHelper *sh )   { m_scrollHelper = sh; }
+    wxScrollHelper *GetScrollHelper()            { return m_scrollHelper; }
+
         // reset the cached best size value so it will be recalculated the
         // next time it is needed.
     void InvalidateBestSize();
@@ -464,6 +483,10 @@ public:
     virtual bool IsShown() const { return m_isShown; }
     virtual bool IsEnabled() const { return m_isEnabled; }
 
+    // returns true if the window is visible, i.e. IsShown() returns true
+    // if called on it and all its parents up to the first TLW
+    virtual bool IsShownOnScreen() const;
+
         // get/set window style (setting style won't update the window and so
         // is only useful for internal usage)
     virtual void SetWindowStyleFlag( long style ) { m_windowStyle = style; }
@@ -696,9 +719,15 @@ public:
         // thaw the window: redraw it after it had been frozen
     virtual void Thaw() { }
 
+        // return true if window had been frozen and not unthawed yet
+    virtual bool IsFrozen() const { return false; }
+
         // adjust DC for drawing on this window
     virtual void PrepareDC( wxDC & WXUNUSED(dc) ) { }
 
+        // return true if the window contents is double buffered by the system
+    virtual bool IsDoubleBuffered() const { return false; }
+
         // the update region of the window contains the areas which must be
         // repainted by the program
     const wxRegion& GetUpdateRegion() const { return m_updateRegion; }
@@ -709,13 +738,17 @@ public:
 
         // these functions verify whether the given point/rectangle belongs to
         // (or at least intersects with) the update region
-    bool IsExposed( int x, int y ) const;
-    bool IsExposed( int x, int y, int w, int h ) const;
+    virtual bool DoIsExposed( int x, int y ) const;
+    virtual bool DoIsExposed( int x, int y, int w, int h ) const;
 
+    bool IsExposed( int x, int y ) const
+        { return DoIsExposed(x, y); }
+    bool IsExposed( int x, int y, int w, int h ) const
+    { return DoIsExposed(x, y, w, h); }
     bool IsExposed( const wxPoint& pt ) const
-        { return IsExposed(pt.x, pt.y); }
+        { return DoIsExposed(pt.x, pt.y); }
     bool IsExposed( const wxRect& rect ) const
-        { return IsExposed(rect.x, rect.y, rect.width, rect.height); }
+        { return DoIsExposed(rect.x, rect.y, rect.width, rect.height); }
 
     // colours, fonts and cursors
     // --------------------------
@@ -1027,7 +1060,7 @@ public:
     wxAccessible* GetOrCreateAccessible() ;
 #endif
 
-    
+
     // Set window transparency if the platform supports it
     virtual bool SetTransparent(wxByte WXUNUSED(alpha)) { return false; }
     virtual bool CanSetTransparent() { return false; }
@@ -1219,6 +1252,8 @@ protected:
     // Virtual size (scrolling)
     wxSize                m_virtualSize;
 
+    wxScrollHelper       *m_scrollHelper;
+
     int                   m_minVirtualWidth;    // VirtualSizeHints
     int                   m_minVirtualHeight;
     int                   m_maxVirtualWidth;
@@ -1310,6 +1345,10 @@ protected:
     // from both DoSetSize() and DoSetClientSize() and would usually just
     // reposition this window except for composite controls which will want to
     // arrange themselves inside the given rectangle
+    //
+    // Important note: the coordinates passed to this method are in parent's
+    // *window* coordinates and not parent's client coordinates (as the values
+    // passed to DoSetSize and returned by DoGetPosition are)!
     virtual void DoMoveWindow(int x, int y, int width, int height) = 0;
 
     // centre the window in the specified direction on parent, note that
@@ -1550,6 +1589,7 @@ public:
         // If this object has the focus, child should be 'this'.
     virtual wxAccStatus GetFocus(int* childId, wxAccessible** child);
 
+#if wxUSE_VARIANT
         // Gets a variant representing the selected children
         // of this object.
         // Acceptable values:
@@ -1559,6 +1599,7 @@ public:
         //   or 0 if this object is selected (GetType() == wxT("long")
         // - a "void*" pointer to a wxAccessible child object
     virtual wxAccStatus GetSelections(wxVariant* selections);
+#endif // wxUSE_VARIANT
 };
 
 #endif // wxUSE_ACCESSIBILITY