Always link with expat in monolithic build.

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

diff --git a/src/msw/listctrl.cpp b/src/msw/listctrl.cpp
index c8635708c8ff172f687e834cf0506ade3c409c7b..5bc5c08c56c9f9deb66ff0fb4f2290d16ccb398b 100644 (file)
--- a/src/msw/listctrl.cpp
+++ b/src/msw/listctrl.cpp
@@ -34,6 +34,7 @@
     #include "wx/intl.h"
     #include "wx/log.h"
     #include "wx/settings.h"
+    #include "wx/stopwatch.h"
     #include "wx/dcclient.h"
     #include "wx/textctrl.h"
 #endif
@@ -227,6 +228,7 @@ public:
 
 BEGIN_EVENT_TABLE(wxListCtrl, wxControl)
     EVT_PAINT(wxListCtrl::OnPaint)
+    EVT_CHAR_HOOK(wxListCtrl::OnCharHook)
 END_EVENT_TABLE()
 
 // ============================================================================
@@ -1441,7 +1443,7 @@ void wxListCtrl::InitEditControl(WXHWND hWnd)
     m_textCtrl->SubclassWin(hWnd);
     m_textCtrl->SetParent(this);
 
-    // we must disallow TABbing away from the control while the edit contol is
+    // we must disallow TABbing away from the control while the edit control is
     // shown because this leaves it in some strange state (just try removing
     // this line and then pressing TAB while editing an item in  listctrl
     // inside a panel)
@@ -1489,21 +1491,15 @@ bool wxListCtrl::EndEditLabel(bool cancel)
     if ( !hwnd )
         return false;
 
-    // Newer versions of Windows have a special message for cancelling editing,
-    // use it if available.
-#ifdef ListView_CancelEditLabel
-    if ( cancel && (wxApp::GetComCtl32Version() >= 600) )
-    {
-        ListView_CancelEditLabel(GetHwnd());
-    }
-    else
-#endif // ListView_CancelEditLabel
-    {
-        // We shouldn't destroy the control ourselves according to MSDN, which
-        // proposes WM_CANCELMODE to do this, but it doesn't seem to work so
-        // emulate the corresponding user action instead.
-        ::SendMessage(hwnd, WM_KEYDOWN, cancel ? VK_ESCAPE : VK_RETURN, 0);
-    }
+    // Newer versions of Windows have a special ListView_CancelEditLabel()
+    // message for cancelling editing but it, rather counter-intuitively, keeps
+    // the last text entered in the dialog while cancelling as we do it below
+    // restores the original text which is the more expected behaviour.
+
+    // We shouldn't destroy the control ourselves according to MSDN, which
+    // proposes WM_CANCELMODE to do this, but it doesn't seem to work so
+    // emulate the corresponding user action instead.
+    ::SendMessage(hwnd, WM_KEYDOWN, cancel ? VK_ESCAPE : VK_RETURN, 0);
 
     return true;
 }
@@ -1726,7 +1722,9 @@ long wxListCtrl::InsertItem(long index, const wxString& label, int imageIndex)
     wxListItem info;
     info.m_image = imageIndex;
     info.m_text = label;
-    info.m_mask = wxLIST_MASK_IMAGE | wxLIST_MASK_TEXT;
+    info.m_mask = wxLIST_MASK_TEXT;
+    if (imageIndex > -1)
+        info.m_mask |= wxLIST_MASK_IMAGE;
     info.m_itemId = index;
     return InsertItem(info);
 }
@@ -1820,8 +1818,8 @@ int CALLBACK wxInternalDataCompareFunc(LPARAM lParam1, LPARAM lParam2,  LPARAM l
     wxMSWListItemData *data1 = (wxMSWListItemData *) lParam1;
     wxMSWListItemData *data2 = (wxMSWListItemData *) lParam2;
 
-    long d1 = (data1 == NULL ? 0 : data1->lParam);
-    long d2 = (data2 == NULL ? 0 : data2->lParam);
+    wxIntPtr d1 = (data1 == NULL ? 0 : data1->lParam);
+    wxIntPtr d2 = (data2 == NULL ? 0 : data2->lParam);
 
     return internalData->user_fn(d1, d2, internalData->data);
 
@@ -1902,9 +1900,8 @@ int WXDLLIMPEXP_CORE wxMSWGetColumnClicked(NMHDR *nmhdr, POINT *ptClick)
     }
     else
 #endif //__WXWINCE__
-    if ( !::GetCursorPos(ptClick) )
     {
-        wxLogLastError(wxT("GetCursorPos"));
+       wxGetCursorPosMSW(ptClick);
     }
 
     // we need to use listctrl coordinates for the event point so this is what
@@ -2320,7 +2317,7 @@ bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
                 else
 #endif //__WXWINCE__
                 {
-                    ::GetCursorPos(&(lvhti.pt));
+                    wxGetCursorPosMSW(&(lvhti.pt));
                 }
 
                 ::ScreenToClient(GetHwnd(), &lvhti.pt);
@@ -2366,12 +2363,8 @@ bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
 
 #ifdef HAVE_NMLVFINDITEM
             case LVN_ODFINDITEM:
-                // this message is only used with the virtual list control but
-                // even there we don't want to always use it: in a control with
-                // sufficiently big number of items (defined as > 1000 here),
-                // accidentally pressing a key could result in hanging an
-                // application waiting while it performs linear search
-                if ( IsVirtual() && GetItemCount() <= 1000 )
+                // Find an item in a (necessarily virtual) list control.
+                if ( IsVirtual() )
                 {
                     NMLVFINDITEM* pFindInfo = (NMLVFINDITEM*)lParam;
 
@@ -2411,6 +2404,12 @@ bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
                         startPos = 0;
                     }
 
+                    // Linear search in a control with a lot of items can take
+                    // a long time so we limit the total time of the search to
+                    // ensure that the program doesn't appear to hang.
+#if wxUSE_STOPWATCH
+                    wxStopWatch sw;
+#endif // wxUSE_STOPWATCH
                     for ( int currentPos = startPos; ; )
                     {
                         // does this item begin with searchstr?
@@ -2440,6 +2439,26 @@ bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
                             // item by default in this case.
                             return true;
                         }
+
+#if wxUSE_STOPWATCH
+                        // Check the time elapsed only every thousand
+                        // iterations for performance reasons: if we did it
+                        // more often calling wxStopWatch::Time() could take
+                        // noticeable time on its own.
+                        if ( !((currentPos - startPos)%1000) )
+                        {
+                            // We use half a second to limit the search time
+                            // which is about as long as we can take without
+                            // annoying the user.
+                            if ( sw.Time() > 500 )
+                            {
+                                // As above, return true to prevent the control
+                                // from selecting the first item by default.
+                                return true;
+                            }
+                        }
+#endif // wxUSE_STOPWATCH
+
                     }
 
                     SetItemState(*result,
@@ -2955,6 +2974,27 @@ void wxListCtrl::OnPaint(wxPaintEvent& event)
     }
 }
 
+void wxListCtrl::OnCharHook(wxKeyEvent& event)
+{
+    if ( GetEditControl() )
+    {
+        // We need to ensure that Escape is not stolen from the in-place editor
+        // by the containing dialog.
+        //
+        // Notice that we don't have to care about Enter key here as we return
+        // false from MSWShouldPreProcessMessage() for it.
+        if ( event.GetKeyCode() == WXK_ESCAPE )
+        {
+            EndEditLabel(true /* cancel */);
+
+            // Don't call Skip() below.
+            return;
+        }
+    }
+
+    event.Skip();
+}
+
 WXLRESULT
 wxListCtrl::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
 {