bug in FindItemForId() fixed (?)

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

diff --git a/src/msw/checklst.cpp b/src/msw/checklst.cpp
index 9ab8c3ceb7d82be95a53b9162344d49cfdbdfee1..74b3123938b833af897fb7c125c10d8bb6fa3d37 100644 (file)
--- a/src/msw/checklst.cpp
+++ b/src/msw/checklst.cpp
@@ -9,6 +9,14 @@
 // Licence:     wxWindows license
 ///////////////////////////////////////////////////////////////////////////////
 
+// ============================================================================
+// declarations
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// headers
+// ----------------------------------------------------------------------------
+
 #ifdef __GNUG__
 #pragma implementation "checklst.h"
 #endif
@@ -34,6 +42,18 @@
 #include "wx/msw/checklst.h"
 
 #include <windows.h>
+#include <windowsx.h>
+
+#ifdef __GNUWIN32__
+#include "wx/msw/gnuwin32/extra.h"
+#endif
+
+// ----------------------------------------------------------------------------
+// private functions
+// ----------------------------------------------------------------------------
+
+// get item (converted to right type)
+#define GetItem(n)    ((wxCheckListBoxItem *)(GetItem(n)))
 
 // ============================================================================
 // implementation
@@ -49,6 +69,7 @@
 
 class wxCheckListBoxItem : public wxOwnerDrawn
 {
+friend class wxCheckListBox;
 public:
   // ctor
   wxCheckListBoxItem(wxCheckListBox *pParent, size_t nIndex);
@@ -58,8 +79,8 @@ public:
 
   // simple accessors
   bool IsChecked() const  { return m_bChecked;        }
-  void Check(bool bCheck) { m_bChecked = bCheck;      }
-  void Toggle();
+  void Check(bool bCheck);
+  void Toggle() { Check(!IsChecked()); }
 
 private:
   bool            m_bChecked;
@@ -190,19 +211,44 @@ bool wxCheckListBoxItem::OnDrawItem(wxDC& dc, const wxRect& rc,
 }
 
 // change the state of the item and redraw it
-void wxCheckListBoxItem::Toggle()
+void wxCheckListBoxItem::Check(bool check)
 {
-  m_bChecked = !m_bChecked;
+    m_bChecked = check;
+
+    // index may be chanegd because new items were added/deleted
+    if ( m_pParent->GetItemIndex(this) != (int)m_nIndex )
+    {
+        // update it
+        int index = m_pParent->GetItemIndex(this);
 
-  size_t nHeight = m_pParent->GetItemHeight();
-  size_t y = m_nIndex * nHeight;
-  RECT rcUpdate = { 0, y, GetDefaultMarginWidth(), y + nHeight};
-  InvalidateRect((HWND)m_pParent->GetHWND(), &rcUpdate, FALSE);
+        wxASSERT_MSG( index != wxNOT_FOUND, "what does this item do here?" );
+
+        m_nIndex = (size_t)index;
+    }
 
-  wxCommandEvent event(wxEVT_COMMAND_CHECKLISTBOX_TOGGLED, m_pParent->GetId());
-  event.SetInt(m_nIndex);
-  event.SetEventObject(m_pParent);
-  m_pParent->ProcessCommand(event);
+    HWND hwndListbox = (HWND)m_pParent->GetHWND();
+
+    #ifdef __WIN32__
+        RECT rcUpdate;
+        
+        if ( ::SendMessage(hwndListbox, LB_GETITEMRECT,
+                           m_nIndex, (LPARAM)&rcUpdate) == LB_ERR )
+        {
+            wxLogDebug("LB_GETITEMRECT failed");
+        }
+    #else // Win16
+        // FIXME this doesn't work if the listbox is scrolled!
+        size_t nHeight = m_pParent->GetItemHeight();
+        size_t y = m_nIndex * nHeight;
+        RECT rcUpdate = { 0, y, GetDefaultMarginWidth(), y + nHeight};
+    #endif  // Win32/16
+
+    InvalidateRect(hwndListbox, &rcUpdate, FALSE);
+    
+    wxCommandEvent event(wxEVT_COMMAND_CHECKLISTBOX_TOGGLED, m_pParent->GetId());
+    event.SetInt(m_nIndex);
+    event.SetEventObject(m_pParent);
+    m_pParent->ProcessCommand(event);
 }
 
 // ----------------------------------------------------------------------------
@@ -229,13 +275,40 @@ wxCheckListBox::wxCheckListBox(wxWindow *parent, wxWindowID id,
                                const wxPoint& pos, const wxSize& size,
                                int nStrings, const wxString choices[],
                                long style, const wxValidator& val,
-                               const wxString& name) // , const wxFont& font)
-                // don't use ctor with arguments! we must call Create()
-                // ourselves from here.
+                               const wxString& name)
               : wxListBox()
-//                , m_font(font)
 {
-  Create(parent, id, pos, size, nStrings, choices, style|wxLB_OWNERDRAW, val, name);
+    Create(parent, id, pos, size, nStrings, choices,
+           style | wxLB_OWNERDRAW, val, name);
+}
+
+void wxCheckListBox::Delete(int N)
+{
+    wxCHECK_RET( N >= 0 && N < m_noItems,
+                 "invalid index in wxListBox::Delete" );
+
+    wxListBox::Delete(N);
+
+    // free memory
+    delete m_aItems[N];
+
+    m_aItems.Remove(N);
+}
+
+void wxCheckListBox::InsertItems(int nItems, const wxString items[], int pos)
+{
+    wxCHECK_RET( pos >= 0 && pos <= m_noItems,
+                 "invalid index in wxCheckListBox::InsertItems" );
+
+    wxListBox::InsertItems(nItems, items, pos);
+
+    int i;
+    for ( i = 0; i < nItems; i++ ) {
+        wxOwnerDrawn *pNewItem = CreateItem((size_t)(pos + i));
+        pNewItem->SetName(items[i]);
+        m_aItems.Insert(pNewItem, (size_t)(pos + i));
+        ListBox_SetItemData((HWND)GetHWND(), i + pos, pNewItem);
+    }
 }
 
 // create/retrieve item
@@ -251,9 +324,6 @@ wxOwnerDrawn *wxCheckListBox::CreateItem(size_t nIndex)
   return pItem;
 }
 
-// get item (converted to right type)
-#define GetItem(n)    ((wxCheckListBoxItem *)(GetItem(n)))
-
 // return item size
 // ----------------
 bool wxCheckListBox::MSWOnMeasure(WXMEASUREITEMSTRUCT *item)
@@ -301,8 +371,19 @@ void wxCheckListBox::OnLeftClick(wxMouseEvent& event)
 {
   // clicking on the item selects it, clicking on the checkmark toggles
   if ( event.GetX() <= wxOwnerDrawn::GetDefaultMarginWidth() ) {
-    // # better use LB_ITEMFROMPOINT perhaps?
-    size_t nItem = ((size_t)event.GetY()) / m_nItemHeight;
+    #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
+
     if ( nItem < (size_t)m_noItems )
       GetItem(nItem)->Toggle();
     //else: it's not an error, just click outside of client zone