Added the PseudoDC class from Paul Lanier. It provides a way to

[wxWidgets.git] / wxPython / src / _vscroll.i

diff --git a/wxPython/src/_vscroll.i b/wxPython/src/_vscroll.i
index 00f7f71217713cea5a678070f4ad1c98268553d7..ce66f5cd2307b623b368db441376189146f34516 100644 (file)
--- a/wxPython/src/_vscroll.i
+++ b/wxPython/src/_vscroll.i
@@ -95,6 +95,11 @@ public:
     wxCoord GetLinesHeight(size_t lineMin, size_t lineMax) const
     { return wxVScrolledWindow::GetLinesHeight(lineMin, lineMax); }
 
+    // update the thumb size shown by the scrollbar
+    void UpdateScrollbar() { wxVScrolledWindow::UpdateScrollbar(); }
+
+    // remove the scrollbar completely because we don't need it
+    void RemoveScrollbar() { wxVScrolledWindow::RemoveScrollbar(); }
 
     PYPRIVATE;
 };
@@ -208,8 +213,17 @@ public:
     // is kept for backwards compatibility
     size_t GetLastVisibleLine() const;
 
+    // find the index of the line we need to show at the top of the window such
+    // 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)
+    wxCoord GetLinesHeight(size_t lineMin, size_t lineMax) const;
 };
 
+
+
 //---------------------------------------------------------------------------
 // wxVListBox
 
@@ -257,7 +271,7 @@ public:
     //
     // the base class version doesn't do anything
     //    virtual void OnDrawSeparator(wxDC& dc, wxRect& rect, size_t n) const;
-    DEC_PYCALLBACK__DCRECTSIZET_constpure(OnDrawSeparator);
+    DEC_PYCALLBACK__DCRECTSIZET2_const(OnDrawSeparator);
 
 
     // this method is used to draw the items background and, maybe, a border
@@ -278,7 +292,7 @@ IMPLEMENT_ABSTRACT_CLASS(wxPyVListBox, wxVListBox);
 
 IMP_PYCALLBACK__DCRECTSIZET_constpure(wxPyVListBox, wxVListBox, OnDrawItem);
 IMP_PYCALLBACK_COORD_SIZET_constpure (wxPyVListBox, wxVListBox, OnMeasureItem);
-IMP_PYCALLBACK__DCRECTSIZET_constpure(wxPyVListBox, wxVListBox, OnDrawSeparator);
+IMP_PYCALLBACK__DCRECTSIZET2_const   (wxPyVListBox, wxVListBox, OnDrawSeparator);
 IMP_PYCALLBACK__DCRECTSIZET_const    (wxPyVListBox, wxVListBox, OnDrawBackground);
 
 %}
@@ -449,6 +463,8 @@ public:
     // change the background colour of the selected cells
     void SetSelectionBackground(const wxColour& col);
 
+    virtual void OnDrawSeparator(wxDC& dc, wxRect& rect, size_t n) const;
+    virtual void OnDrawBackground(wxDC& dc, const wxRect& rect, size_t n) const;
 };
 
 
@@ -485,6 +501,10 @@ public:
     // this function may be overridden to decorate HTML returned by OnGetItem()
     DEC_PYCALLBACK_STRING_SIZET(OnGetItemMarkup);
 
+    // These are from wxVListBox
+    DEC_PYCALLBACK__DCRECTSIZET2_const(OnDrawSeparator);
+    DEC_PYCALLBACK__DCRECTSIZET_const(OnDrawBackground);
+
 // TODO:
 //     // this method allows to customize the selection appearance: it may be used
 //     // to specify the colour of the text which normally has the given colour
@@ -499,6 +519,11 @@ public:
 //     // globally using SetSelectionBackground()
 //     virtual wxColour GetSelectedTextBgColour(const wxColour& colBg) const;
 
+    
+    // This method may be overriden to handle clicking on a link in
+    // the listbox. By default, clicking links is ignored.
+    virtual void OnLinkClicked(size_t n,
+                               const wxHtmlLinkInfo& link);        
 
     PYPRIVATE;
 };
@@ -508,7 +533,24 @@ IMPLEMENT_ABSTRACT_CLASS(wxPyHtmlListBox, wxHtmlListBox)
 
 IMP_PYCALLBACK_STRING_SIZET_pure(wxPyHtmlListBox, wxHtmlListBox, OnGetItem);
 IMP_PYCALLBACK_STRING_SIZET     (wxPyHtmlListBox, wxHtmlListBox, OnGetItemMarkup);
-
+IMP_PYCALLBACK__DCRECTSIZET2_const   (wxPyHtmlListBox, wxHtmlListBox, OnDrawSeparator);
+IMP_PYCALLBACK__DCRECTSIZET_const    (wxPyHtmlListBox, wxHtmlListBox, OnDrawBackground);
+
+
+void wxPyHtmlListBox::OnLinkClicked(size_t n,
+                                    const wxHtmlLinkInfo& link) {
+    bool found;
+    wxPyBlock_t blocked = wxPyBeginBlockThreads();
+    if ((found = wxPyCBH_findCallback(m_myInst, "OnLinkClicked"))) {
+        PyObject* obj = wxPyConstructObject((void*)&link, wxT("wxHtmlLinkInfo"), 0);
+        wxPyCBH_callCallback(m_myInst, Py_BuildValue("(iO)", n, obj));
+        Py_DECREF(obj);
+    }
+    wxPyEndBlockThreads(blocked);
+    if (! found)
+        wxPyHtmlListBox::OnLinkClicked(n, link);
+}
+ 
 %}
 
 
@@ -552,6 +594,8 @@ public:
     // retrieve the file system used by the wxHtmlWinParser: if you use
     // relative paths in your HTML, you should use its ChangePathTo() method
     wxFileSystem& GetFileSystem();
+
+    void OnLinkClicked(size_t n, const wxHtmlLinkInfo& link);        
 };