Added rules to wxListCtrl (MSW now, GTK+ soon)

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@8254 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/defs.h

@@ -1096,6 +1096,8 @@ enum wxStretch
 /*
  * wxListCtrl flags
  */
+#define wxLC_VRULES          0x0001
+#define wxLC_HRULES          0x0002
 #define wxLC_ICON            0x0004
 #define wxLC_SMALL_ICON      0x0008
 #define wxLC_LIST            0x0010

include/wx/msw/listctrl.h

@@ -329,6 +329,11 @@ public:
     // still exist across 3 callbacks.
     wxChar *AddPool(const wxString& str);
 
+    // Event handlers
+    ////////////////////////////////////////////////////////////////////////////
+    // Necessary for drawing hrules and vrules, if specified
+    void OnPaint(wxPaintEvent& event);
+
 protected:
     // common part of all ctors
     void Init();
@@ -356,6 +361,7 @@ private:
     bool DoCreateControl(int x, int y, int w, int h);
 
     DECLARE_DYNAMIC_CLASS(wxListCtrl)
+    DECLARE_EVENT_TABLE()
 };
 
 #endif

src/msw/listctrl.cpp

@@ -78,6 +78,10 @@ static void wxConvertFromMSWListItem(const wxListCtrl *ctrl, wxListItem& info, L
 IMPLEMENT_DYNAMIC_CLASS(wxListCtrl, wxControl)
 IMPLEMENT_DYNAMIC_CLASS(wxListItem, wxObject)
 
+BEGIN_EVENT_TABLE(wxListCtrl, wxControl)
+    EVT_PAINT(wxListCtrl::OnPaint)
+END_EVENT_TABLE()
+
 // ============================================================================
 // implementation
 // ============================================================================
@@ -632,10 +636,14 @@ bool wxListCtrl::SetItem(wxListItem& info)
     // check whether it has any custom attributes
     if ( info.HasAttributes() )
     {
+
         wxListItemAttr *attr;
         attr = (wxListItemAttr*) m_attrs.Get(item.iItem);
+
         if (attr == NULL)
+
             m_attrs.Put(item.iItem, (wxObject *)new wxListItemAttr(*info.GetAttributes()));
+
         else *attr = *info.GetAttributes();
 
         m_hasAnyAttr = TRUE;
@@ -1128,10 +1136,14 @@ long wxListCtrl::InsertItem(wxListItem& info)
     // check whether it has any custom attributes
     if ( info.HasAttributes() )
     {
+
         wxListItemAttr *attr;
         attr = (wxListItemAttr*) m_attrs.Get(item.iItem);
+
         if (attr == NULL)
+
             m_attrs.Put(item.iItem, (wxObject *)new wxListItemAttr(*info.GetAttributes()));
+
         else *attr = *info.GetAttributes();
 
         m_hasAnyAttr = TRUE;
@@ -1674,6 +1686,73 @@ wxChar *wxListCtrl::AddPool(const wxString& str)
     return (wxChar *)node->Data();
 }
 
+// Necessary for drawing hrules and vrules, if specified
+void wxListCtrl::OnPaint(wxPaintEvent& event)
+{
+    wxPaintDC dc(this);
+
+    wxControl::OnPaint(event);
+
+    // Reset the device origin since it may have been set
+    dc.SetDeviceOrigin(0, 0);
+
+    bool drawHRules = ((GetWindowStyle() & wxLC_HRULES) != 0);
+    bool drawVRules = ((GetWindowStyle() & wxLC_VRULES) != 0);
+
+    if (!drawHRules && !drawVRules)
+        return;
+    if ((GetWindowStyle() & wxLC_REPORT) == 0)
+        return;
+
+    wxPen pen(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DLIGHT), 1, wxSOLID);
+    dc.SetPen(pen);
+    dc.SetBrush(* wxTRANSPARENT_BRUSH);
+
+    wxSize clientSize = GetClientSize();
+    wxRect itemRect;
+    int cy=0;
+
+    int lastH = 0;
+    int itemCount = GetItemCount();
+    int i;
+    for (i = 0; i < itemCount; i++)
+    {
+        if (GetItemRect(i, itemRect))
+        {
+            cy = itemRect.GetTop();
+            if (i != 0) // Don't draw the first one
+            {
+                dc.DrawLine(0, cy, clientSize.x, cy);
+
+                // Draw last line
+                if (i == (GetItemCount() - 1))
+                {
+                    cy = itemRect.GetBottom();
+                    dc.DrawLine(0, cy, clientSize.x, cy);
+                }
+            }
+        }
+    }
+    i = (GetItemCount() - 1);
+    if (drawVRules && (i > -1))
+    {
+        wxRect firstItemRect;
+        GetItemRect(0, firstItemRect);
+
+        if (GetItemRect(i, itemRect))
+        {
+            int col;
+            int x = itemRect.GetX();
+            for (col = 0; col < GetColumnCount(); col++)
+            {
+                int colWidth = GetColumnWidth(col);
+                x += colWidth ;
+                dc.DrawLine(x, firstItemRect.GetY() - 2, x, itemRect.GetBottom());
+            }
+        }
+    }
+}
+
 // ----------------------------------------------------------------------------
 // wxListItem
 // ----------------------------------------------------------------------------