reset virtual root to NULL in DeleteAllItems()

[wxWidgets.git] / src / msw / checklst.cpp

diff --git a/src/msw/checklst.cpp b/src/msw/checklst.cpp
index 67c6494df89bf47d3926afbff1bcd0eb83974ae9..42ffa063a1097cf193fbbe4fbe667cc7611eea54 100644 (file)
--- a/src/msw/checklst.cpp
+++ b/src/msw/checklst.cpp
@@ -30,17 +30,22 @@
 
 #if wxUSE_OWNER_DRAWN
 
-#include "wx/object.h"
-#include "wx/colour.h"
-#include "wx/font.h"
-#include "wx/bitmap.h"
-#include "wx/window.h"
-#include "wx/listbox.h"
+#ifndef WX_PRECOMP
+    #include "wx/object.h"
+    #include "wx/colour.h"
+    #include "wx/font.h"
+    #include "wx/bitmap.h"
+    #include "wx/window.h"
+    #include "wx/listbox.h"
+    #include "wx/dcmemory.h"
+
+    #include "wx/settings.h"
+
+    #include "wx/log.h"
+#endif
+
 #include "wx/ownerdrw.h"
-#include "wx/settings.h"
-#include "wx/dcmemory.h"
-#include "wx/msw/checklst.h"
-#include "wx/log.h"
+#include "wx/checklst.h"
 
 #include <windows.h>
 #include <windowsx.h>
@@ -68,7 +73,7 @@ IMPLEMENT_DYNAMIC_CLASS(wxCheckListBox, wxListBox)
 
 class wxCheckListBoxItem : public wxOwnerDrawn
 {
-friend class wxCheckListBox;
+friend class WXDLLEXPORT wxCheckListBox;
 public:
   // ctor
   wxCheckListBoxItem(wxCheckListBox *pParent, size_t nIndex);
@@ -88,7 +93,7 @@ private:
 };
 
 wxCheckListBoxItem::wxCheckListBoxItem(wxCheckListBox *pParent, size_t nIndex)
-                  : wxOwnerDrawn("", TRUE)   // checkable
+                  : wxOwnerDrawn(wxEmptyString, TRUE)   // checkable
 {
   m_bChecked = FALSE;
   m_pParent  = pParent;
@@ -262,7 +267,7 @@ void wxCheckListBoxItem::Check(bool check)
 // define event table
 // ------------------
 BEGIN_EVENT_TABLE(wxCheckListBox, wxListBox)
-  EVT_CHAR(wxCheckListBox::OnChar)
+  EVT_KEY_DOWN(wxCheckListBox::OnKeyDown)
   EVT_LEFT_DOWN(wxCheckListBox::OnLeftClick)
 END_EVENT_TABLE()
 
@@ -270,7 +275,7 @@ END_EVENT_TABLE()
 // ----------------
 
 // def ctor: use Create() to really create the control
-wxCheckListBox::wxCheckListBox() : wxListBox()
+wxCheckListBox::wxCheckListBox()
 {
 }
 
@@ -280,11 +285,21 @@ wxCheckListBox::wxCheckListBox(wxWindow *parent, wxWindowID id,
                                int nStrings, const wxString choices[],
                                long style, const wxValidator& val,
                                const wxString& name)
-              : wxListBox()
 {
-    Create(parent, id, pos, size, nStrings, choices,
-           style | wxLB_OWNERDRAW, val, name);
+    Create(parent, id, pos, size, nStrings, choices, style, val, name);
+}
+
+bool wxCheckListBox::Create(wxWindow *parent, wxWindowID id,
+                            const wxPoint& pos, const wxSize& size,
+                            int n, const wxString choices[],
+                            long style,
+                            const wxValidator& validator, const wxString& name)
+{
+    return wxListBox::Create(parent, id, pos, size, n, choices,
+                             style | wxLB_OWNERDRAW, validator, name);
 }
+                            
+
 
 void wxCheckListBox::Delete(int N)
 {
@@ -314,7 +329,7 @@ bool wxCheckListBox::SetFont( const wxFont &font )
 // --------------------
 
 // create a check list box item
-wxOwnerDrawn *wxCheckListBox::CreateItem(size_t nIndex)
+wxOwnerDrawn *wxCheckListBox::CreateLboxItem(size_t nIndex)
 {
   wxCheckListBoxItem *pItem = new wxCheckListBoxItem(this, nIndex);
   return pItem;
@@ -344,43 +359,104 @@ bool wxCheckListBox::MSWOnMeasure(WXMEASUREITEMSTRUCT *item)
 
 bool wxCheckListBox::IsChecked(size_t uiIndex) const
 {
-  return GetItem(uiIndex)->IsChecked();
+    wxCHECK_MSG( uiIndex < (size_t)GetCount(), FALSE, _T("bad wxCheckListBox index") );
+
+    return GetItem(uiIndex)->IsChecked();
 }
 
 void wxCheckListBox::Check(size_t uiIndex, bool bCheck)
 {
-  GetItem(uiIndex)->Check(bCheck);
+    wxCHECK_RET( uiIndex < (size_t)GetCount(), _T("bad wxCheckListBox index") );
+
+    GetItem(uiIndex)->Check(bCheck);
 }
 
 // process events
 // --------------
 
-void wxCheckListBox::OnChar(wxKeyEvent& event)
+void wxCheckListBox::OnKeyDown(wxKeyEvent& event)
 {
-  if ( event.KeyCode() == WXK_SPACE )
-    GetItem(GetSelection())->Toggle();
-  else
-    event.Skip();
+    // what do we do?
+    enum
+    {
+        None,
+        Toggle,
+        Set,
+        Clear
+    } oper;
+
+    switch ( event.KeyCode() )
+    {
+        case WXK_SPACE:
+            oper = Toggle;
+            break;
+
+        case WXK_NUMPAD_ADD:
+        case '+':
+            oper = Set;
+            break;
+
+        case WXK_NUMPAD_SUBTRACT:
+        case '-':
+            oper = Clear;
+            break;
+
+        default:
+            oper = None;
+    }
+
+    if ( oper != None )
+    {
+        wxArrayInt selections;
+        int count;
+        if ( HasMultipleSelection() )
+        {
+            count = GetSelections(selections);
+        }
+        else
+        {
+            count = 1;
+            selections.Add(GetSelection());
+        }
+
+        for ( int i = 0; i < count; i++ )
+        {
+            wxCheckListBoxItem *item = GetItem(selections[i]);
+            if ( !item )
+            {
+                wxFAIL_MSG( _T("no wxCheckListBoxItem?") );
+                continue;
+            }
+
+            switch ( oper )
+            {
+                case Toggle:
+                    item->Toggle();
+                    break;
+
+                case Set:
+                case Clear:
+                    item->Check( oper == Set );
+                    break;
+
+                default:
+                    wxFAIL_MSG( _T("what should this key do?") );
+            }
+        }
+    }
+    else // nothing to do
+    {
+        event.Skip();
+    }
 }
 
 void wxCheckListBox::OnLeftClick(wxMouseEvent& event)
 {
   // clicking on the item selects it, clicking on the checkmark toggles
   if ( event.GetX() <= wxOwnerDrawn::GetDefaultMarginWidth() ) {
-    #ifdef __WIN32__
-      size_t nItem = (size_t)::SendMessage
-                               (
-                                (HWND)GetHWND(),
-                                LB_ITEMFROMPOINT,
-                                0,
-                                MAKELPARAM(event.GetX(), event.GetY())
-                               );
-    #else // Win16
-        // FIXME this doesn't work when the listbox is scrolled!
-        size_t nItem = ((size_t)event.GetY()) / m_nItemHeight;
-    #endif // Win32/16
+    int nItem = HitTest(event.GetX(), event.GetY());
 
-    if ( nItem < (size_t)m_noItems )
+    if ( nItem != wxNOT_FOUND )
       GetItem(nItem)->Toggle();
     //else: it's not an error, just click outside of client zone
   }
@@ -390,5 +466,23 @@ void wxCheckListBox::OnLeftClick(wxMouseEvent& event)
   }
 }
 
+int wxCheckListBox::DoHitTestItem(wxCoord x, wxCoord y) const
+{
+  #ifdef __WIN32__
+    int nItem = (int)::SendMessage
+                             (
+                              (HWND)GetHWND(),
+                              LB_ITEMFROMPOINT,
+                              0,
+                              MAKELPARAM(x, y)
+                             );
+  #else // Win16
+    // FIXME this doesn't work when the listbox is scrolled!
+    int nItem = y / m_nItemHeight;
+  #endif // Win32/16
+
+  return nItem >= m_noItems ? wxNOT_FOUND : nItem;
+}
+
 #endif