X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/af9fe8874f221bdfbc584836c39263f9d8854b4b..75f7af39d12e17eecf807ca65bffd19adce581ca:/include/wx/vscroll.h

diff --git a/include/wx/vscroll.h b/include/wx/vscroll.h
index 58b693f1e2..a48faef6e3 100644
--- a/include/wx/vscroll.h
+++ b/include/wx/vscroll.h
@@ -62,7 +62,7 @@ public:
     // just as with the ctor above, wxVSCROLL style is always used, there is no
     // need to specify it
     bool Create(wxWindow *parent,
-                wxWindowID id,
+                wxWindowID id = wxID_ANY,
                 const wxPoint& pos = wxDefaultPosition,
                 const wxSize& size = wxDefaultSize,
                 long style = 0,
@@ -90,6 +90,21 @@ public:
     virtual bool ScrollLines(int lines);
     virtual bool ScrollPages(int pages);
 
+    // redraw the specified line
+    void RefreshLine(size_t line);
+
+    // redraw all lines in the specified range (inclusive)
+    void RefreshLines(size_t from, size_t to);
+
+    // return the item at the specified (in physical coordinates) position or.
+
+    // wxNOT_FOUND if none, i.e. if it is below the last item
+    int HitTest(wxCoord x, wxCoord y) const;
+    int HitTest(const wxPoint& pt) const { return HitTest(pt.x, pt.y); }
+
+    // recalculate all our parameters and redisplay all lines
+    virtual void RefreshAll();
+
 
     // accessors
     // ---------
@@ -104,8 +119,12 @@ public:
     // get the last currently visible line
     size_t GetLastVisibleLine() const { return m_lineFirst + m_nVisible - 1; }
 
+    // is this line currently visible?
+    bool IsVisible(size_t line) const
+        { return line >= m_lineFirst && line <= GetLastVisibleLine(); }
 
-//protected:
+
+protected:
     // this function must be overridden in the derived class and it should
     // return the height of the given line in pixels
     virtual wxCoord OnGetLineHeight(size_t n) const = 0;
@@ -125,14 +144,14 @@ public:
     // usual
     virtual void OnGetLinesHint(size_t lineMin, size_t lineMax) const { }
 
-protected:
+
     // the event handlers
     void OnSize(wxSizeEvent& event);
     void OnScroll(wxScrollWinEvent& event);
 
     // find the index of the line we need to show at the top of the window such
-    // that the last line shown is the given one
-    size_t FindFirstFromBottom(size_t lineLast);
+    // that the last (fully or partially) visible line is the given one
+    size_t FindFirstFromBottom(size_t lineLast, bool fullyVisible = false);
 
     // get the total height of the lines between lineMin (inclusive) and
     // lineMax (exclusive)