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trying to fix memory leak in wxListCtrl (attributes not deleted)

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@5889 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
2000-02-07 16:51:39 +00:00
parent f5ac656c5a
commit 6932a32c2b
2 changed files with 23 additions and 23 deletions
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3
include/wx/msw/listctrl.h
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@@ -331,6 +331,9 @@ protected:
// common part of all ctors // common part of all ctors
void Init(); void Init();
// free memory taken by all attributes
void FreeAllAttrs();
wxTextCtrl* m_textCtrl; // The control used for editing a label wxTextCtrl* m_textCtrl; // The control used for editing a label
wxImageList * m_imageListNormal; // The image list for normal icons wxImageList * m_imageListNormal; // The image list for normal icons
wxImageList * m_imageListSmall; // The image list for small icons wxImageList * m_imageListSmall; // The image list for small icons

37
src/msw/listctrl.cpp
View File

@@ -239,7 +239,7 @@ void wxListCtrl::UpdateStyle()
} }
} }
wxListCtrl::~wxListCtrl() void wxListCtrl::FreeAllAttrs()
{ {
if ( m_hasAnyAttr ) if ( m_hasAnyAttr )
{ {
@@ -247,8 +247,15 @@ wxListCtrl::~wxListCtrl()
{ {
delete (wxListItemAttr *)node->Data(); delete (wxListItemAttr *)node->Data();
} }
m_attrs.Destroy();
m_hasAnyAttr = FALSE;
}
} }
wxListCtrl::~wxListCtrl()
{
if ( m_textCtrl ) if ( m_textCtrl )
{ {
m_textCtrl->UnsubclassWin(); m_textCtrl->UnsubclassWin();
@@ -1295,18 +1302,10 @@ bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
} }
case LVN_DELETEALLITEMS: case LVN_DELETEALLITEMS:
// What's the sense of generating a wxWin event for this when
// it's absolutely not portable?
// This is perfectly portable, RR
#if 1
eventType = wxEVT_COMMAND_LIST_DELETE_ALL_ITEMS; eventType = wxEVT_COMMAND_LIST_DELETE_ALL_ITEMS;
event.m_itemIndex = -1; event.m_itemIndex = -1;
#endif // 1
// return TRUE to suppress all additional LVN_DELETEITEM FreeAllAttrs();
// notifications - this makes deleting all items from a list ctrl
// much faster
*result = TRUE;
break; break;
@@ -1579,19 +1578,19 @@ bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
if ( !GetEventHandler()->ProcessEvent(event) ) if ( !GetEventHandler()->ProcessEvent(event) )
return FALSE; return FALSE;
if (eventType == wxEVT_COMMAND_LIST_DELETE_ALL_ITEMS)
{
// No postprocessing, because we want *return to
// be TRUE so that no further DeleteItem events
// are sent, RR.
return TRUE;
}
// post processing // post processing
// --------------- // ---------------
switch ( (int)nmhdr->code ) switch ( (int)nmhdr->code )
{ {
case LVN_DELETEALLITEMS:
// always return TRUE to suppress all additional LVN_DELETEITEM
// notifications - this makes deleting all items from a list ctrl
// much faster
*result = TRUE;
return TRUE;
case LVN_GETDISPINFO: case LVN_GETDISPINFO:
{ {
LV_DISPINFO *info = (LV_DISPINFO *)lParam; LV_DISPINFO *info = (LV_DISPINFO *)lParam;
@@ -1611,8 +1610,6 @@ bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
*result = event.IsAllowed(); *result = event.IsAllowed();
return TRUE; return TRUE;
} }
default:
break;
} }
*result = !event.IsAllowed(); *result = !event.IsAllowed();