use custom class which doesn't redraw everything on resize instead of SysTabCtl32...

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

diff --git a/src/msw/listctrl.cpp b/src/msw/listctrl.cpp
index 03215598d11e5b5bebfa5483ff2c8c303fa92789..90c122a4cce51ee2403b22d9fd156bb9dd422a6b 100644 (file)
--- a/src/msw/listctrl.cpp
+++ b/src/msw/listctrl.cpp
@@ -121,7 +121,7 @@ public:
 
         // memcpy() can't work if the struct sizes are different
         wxCOMPILE_TIME_ASSERT( sizeof(LV_ITEM_OTHER) == sizeof(LV_ITEM_NATIVE),
-                                CodeCantWorkIfDiffSizes);
+                               CodeCantWorkIfDiffSizes);
 
         memcpy(&m_item, &item, sizeof(LV_ITEM_NATIVE));
 
@@ -221,8 +221,10 @@ DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_BEGIN_LABEL_EDIT)
 DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_END_LABEL_EDIT)
 DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_DELETE_ITEM)
 DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_DELETE_ALL_ITEMS)
+#if WXWIN_COMPATIBILITY_2_4
 DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_GET_INFO)
 DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_SET_INFO)
+#endif
 DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_ITEM_SELECTED)
 DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_ITEM_DESELECTED)
 DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_KEY_DOWN)
@@ -493,9 +495,12 @@ wxListCtrl::~wxListCtrl()
         m_textCtrl = NULL;
     }
 
-    if (m_ownsImageListNormal) delete m_imageListNormal;
-    if (m_ownsImageListSmall) delete m_imageListSmall;
-    if (m_ownsImageListState) delete m_imageListState;
+    if (m_ownsImageListNormal)
+        delete m_imageListNormal;
+    if (m_ownsImageListSmall)
+        delete m_imageListSmall;
+    if (m_ownsImageListState)
+        delete m_imageListState;
 }
 
 // ----------------------------------------------------------------------------
@@ -1228,7 +1233,7 @@ bool wxListCtrl::DeleteItem(long item)
         return false;
     }
 
-    m_count -= 1;
+    m_count--;
     wxASSERT_MSG( m_count == ListView_GetItemCount(GetHwnd()),
                   wxT("m_count should match ListView_GetItemCount"));
 
@@ -1424,23 +1429,38 @@ long wxListCtrl::HitTest(const wxPoint& point, int& flags)
     ListView_HitTest(GetHwnd(), & hitTestInfo);
 
     flags = 0;
+
     if ( hitTestInfo.flags & LVHT_ABOVE )
         flags |= wxLIST_HITTEST_ABOVE;
     if ( hitTestInfo.flags & LVHT_BELOW )
         flags |= wxLIST_HITTEST_BELOW;
-    if ( hitTestInfo.flags & LVHT_NOWHERE )
-        flags |= wxLIST_HITTEST_NOWHERE;
-    if ( hitTestInfo.flags & LVHT_ONITEMICON )
-        flags |= wxLIST_HITTEST_ONITEMICON;
-    if ( hitTestInfo.flags & LVHT_ONITEMLABEL )
-        flags |= wxLIST_HITTEST_ONITEMLABEL;
-    if ( hitTestInfo.flags & LVHT_ONITEMSTATEICON )
-        flags |= wxLIST_HITTEST_ONITEMSTATEICON;
     if ( hitTestInfo.flags & LVHT_TOLEFT )
         flags |= wxLIST_HITTEST_TOLEFT;
     if ( hitTestInfo.flags & LVHT_TORIGHT )
         flags |= wxLIST_HITTEST_TORIGHT;
 
+    if ( hitTestInfo.flags & LVHT_NOWHERE )
+        flags |= wxLIST_HITTEST_NOWHERE;
+
+    // note a bug or at least a very strange feature of comtl32.dll (tested
+    // with version 4.0 under Win95 and 6.0 under Win 2003): if you click to
+    // the right of the item label, ListView_HitTest() returns a combination of
+    // LVHT_ONITEMICON, LVHT_ONITEMLABEL and LVHT_ONITEMSTATEICON -- filter out
+    // the bits which don't make sense
+    if ( hitTestInfo.flags & LVHT_ONITEMLABEL )
+    {
+        flags |= wxLIST_HITTEST_ONITEMLABEL;
+
+        // do not translate LVHT_ONITEMICON here, as per above
+    }
+    else
+    {
+        if ( hitTestInfo.flags & LVHT_ONITEMICON )
+            flags |= wxLIST_HITTEST_ONITEMICON;
+        if ( hitTestInfo.flags & LVHT_ONITEMSTATEICON )
+            flags |= wxLIST_HITTEST_ONITEMSTATEICON;
+    }
+
     return (long) hitTestInfo.iItem;
 }
 
@@ -1799,7 +1819,8 @@ bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
         // ignored for efficiency.  It is done here because the internal data is in the
         // process of being deleted so we don't want to try and access it below.
         if ( m_ignoreChangeMessages &&
-             ( (nmLV->hdr.code == LVN_ITEMCHANGED) || (nmLV->hdr.code == LVN_ITEMCHANGING)))
+             ( (nmLV->hdr.code == LVN_ITEMCHANGED) ||
+               (nmLV->hdr.code == LVN_ITEMCHANGING)) )
         {
             return true;
         }
@@ -1900,16 +1921,17 @@ bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
                 break;
 
             case LVN_DELETEALLITEMS:
-                m_count = 0;
                 eventType = wxEVT_COMMAND_LIST_DELETE_ALL_ITEMS;
                 event.m_itemIndex = -1;
                 break;
 
             case LVN_DELETEITEM:
-                if (m_count == 0)
-                    // this should be prevented by the post-processing code below,
-                    // but "just in case"
+                if ( m_count == 0 )
+                {
+                    // this should be prevented by the post-processing code
+                    // below, but "just in case"
                     return false;
+                }
 
                 eventType = wxEVT_COMMAND_LIST_DELETE_ITEM;
                 event.m_itemIndex = iItem;
@@ -1917,6 +1939,7 @@ bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
                 wxDeleteInternalData(this, iItem);
                 break;
 
+#if WXWIN_COMPATIBILITY_2_4
             case LVN_SETDISPINFO:
                 {
                     eventType = wxEVT_COMMAND_LIST_SET_INFO;
@@ -1924,6 +1947,7 @@ bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
                     wxConvertFromMSWListItem(GetHwnd(), event.m_item, info->item);
                 }
                 break;
+#endif
 
             case LVN_INSERTITEM:
                 eventType = wxEVT_COMMAND_LIST_INSERT_ITEM;
@@ -2173,6 +2197,10 @@ bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
             // also, we may free all user data now (couldn't do it before as
             // the user should have access to it in OnDeleteAllItems() handler)
             FreeAllInternalData();
+
+            // the control is empty now, synchronize the cached number of items
+            // with the real one
+            m_count = 0;
             return true;
 
         case LVN_ENDLABELEDITA:
@@ -2372,9 +2400,9 @@ wxString wxListCtrl::OnGetItemText(long WXUNUSED(item), long WXUNUSED(col)) cons
 
 int wxListCtrl::OnGetItemImage(long WXUNUSED(item)) const
 {
-    // same as above
-    wxFAIL_MSG( _T("wxListCtrl::OnGetItemImage not supposed to be called") );
-
+    wxCHECK_MSG(!GetImageList(wxIMAGE_LIST_SMALL),
+                -1,
+                wxT("List control has an image list, OnGetItemImage should be overridden."));
     return -1;
 }