Unicode fix.

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

diff --git a/src/msw/treectrl.cpp b/src/msw/treectrl.cpp
index 061374546bba7d5291ce30a3a048fb62f64fa4fb..d519c144c099ba287d05d494459afa83b5d23040 100644 (file)
--- a/src/msw/treectrl.cpp
+++ b/src/msw/treectrl.cpp
@@ -27,8 +27,19 @@
     #pragma hdrstop
 #endif
 
+#include "wx/window.h"
+#include "wx/msw/private.h"
+
 #ifndef WX_PRECOMP
-    #include "wx/wx.h"
+    #include "wx/settings.h"
+#endif
+
+// Mingw32 is a bit mental even though this is done in winundef
+#ifdef GetFirstChild
+#undef GetFirstChild
+#endif
+#ifdef GetNextSibling
+#undef GetNextSibling
 #endif
 
 #if defined(__WIN95__)
@@ -38,8 +49,6 @@
 #include "wx/imaglist.h"
 #include "wx/msw/treectrl.h"
 
-#include "wx/msw/private.h"
-
 #ifdef __GNUWIN32__
 #include "wx/msw/gnuwin32/extra.h"
 #endif
@@ -48,22 +57,6 @@
     #include <commctrl.h>
 #endif
 
-#ifdef GetFirstChild
-#undef GetFirstChild
-#endif
-
-#ifdef GetNextChild
-#undef GetNextChild
-#endif
-
-#ifdef GetNextSibling
-#undef GetNextSibling
-#endif
-
-#ifdef GetClassInfo
-#undef GetClassInfo
-#endif
-
 // Bug in headers, sometimes
 #ifndef TVIS_FOCUSED
     #define TVIS_FOCUSED            0x0001
@@ -167,7 +160,7 @@ bool wxTreeCtrl::Create(wxWindow *parent, wxWindowID id,
                        (
                         exStyle,
                         WC_TREEVIEW,
-                        "",
+                        _T(""),
                         wstyle,
                         pos.x, pos.y, size.x, size.y,
                         (HWND)parent->GetHWND(),
@@ -176,7 +169,7 @@ bool wxTreeCtrl::Create(wxWindow *parent, wxWindowID id,
                         NULL
                        );
 
-    wxCHECK_MSG( m_hWnd, FALSE, "Failed to create tree ctrl" );
+    wxCHECK_MSG( m_hWnd, FALSE, _T("Failed to create tree ctrl") );
 
     if ( parent )
         parent->AddChild(this);
@@ -294,7 +287,7 @@ size_t wxTreeCtrl::GetChildrenCount(const wxTreeItemId& item, bool recursively)
 
 wxString wxTreeCtrl::GetItemText(const wxTreeItemId& item) const
 {
-    char buf[512];  // the size is arbitrary...
+    wxChar buf[512];  // the size is arbitrary...
 
     wxTreeViewItem tvItem(item, TVIF_TEXT);
     tvItem.pszText = buf;
@@ -302,7 +295,7 @@ wxString wxTreeCtrl::GetItemText(const wxTreeItemId& item) const
     if ( !DoGetItem(&tvItem) )
     {
         // don't return some garbage which was on stack, but an empty string
-        buf[0] = '\0';
+        buf[0] = _T('\0');
     }
 
     return wxString(buf);
@@ -311,7 +304,7 @@ wxString wxTreeCtrl::GetItemText(const wxTreeItemId& item) const
 void wxTreeCtrl::SetItemText(const wxTreeItemId& item, const wxString& text)
 {
     wxTreeViewItem tvItem(item, TVIF_TEXT);
-    tvItem.pszText = (char *)text.c_str();  // conversion is ok
+    tvItem.pszText = (wxChar *)text.c_str();  // conversion is ok
     DoSetItem(&tvItem);
 }
 
@@ -377,6 +370,13 @@ void wxTreeCtrl::SetItemBold(const wxTreeItemId& item, bool bold)
     DoSetItem(&tvItem);
 }
 
+void wxTreeCtrl::SetItemDropHighlight(const wxTreeItemId& item, bool highlight)
+{
+    wxTreeViewItem tvItem(item, TVIF_STATE, TVIS_DROPHILITED);
+    tvItem.state = highlight ? TVIS_DROPHILITED : 0;
+    DoSetItem(&tvItem);
+}
+
 // ----------------------------------------------------------------------------
 // Item status
 // ----------------------------------------------------------------------------
@@ -495,16 +495,16 @@ wxTreeItemId wxTreeCtrl::GetFirstVisibleItem() const
 
 wxTreeItemId wxTreeCtrl::GetNextVisible(const wxTreeItemId& item) const
 {
-    wxASSERT_MSG( IsVisible(item), "The item you call GetNextVisible() "
-                                   "for must be visible itself!");
+    wxASSERT_MSG( IsVisible(item), _T("The item you call GetNextVisible() "
+                                      "for must be visible itself!"));
 
     return wxTreeItemId((WXHTREEITEM) TreeView_GetNextVisible(wxhWnd, (HTREEITEM) (WXHTREEITEM) item));
 }
 
 wxTreeItemId wxTreeCtrl::GetPrevVisible(const wxTreeItemId& item) const
 {
-    wxASSERT_MSG( IsVisible(item), "The item you call GetPrevVisible() "
-                                   "for must be visible itself!");
+    wxASSERT_MSG( IsVisible(item), _T("The item you call GetPrevVisible() "
+                                      "for must be visible itself!"));
 
     return wxTreeItemId((WXHTREEITEM) TreeView_GetPrevVisible(wxhWnd, (HTREEITEM) (WXHTREEITEM) item));
 }
@@ -522,11 +522,18 @@ wxTreeItemId wxTreeCtrl::DoInsertItem(const wxTreeItemId& parent,
     TV_INSERTSTRUCT tvIns;
     tvIns.hParent = (HTREEITEM) (WXHTREEITEM)parent;
     tvIns.hInsertAfter = (HTREEITEM) (WXHTREEITEM) hInsertAfter;
+
+    // This is how we insert the item as the first child: supply a NULL hInsertAfter
+    if (tvIns.hInsertAfter == (HTREEITEM) 0)
+    {
+        tvIns.hInsertAfter = TVI_FIRST;
+    }
+
     UINT mask = 0;
     if ( !text.IsEmpty() )
     {
         mask |= TVIF_TEXT;
-        tvIns.item.pszText = (char *)text.c_str();  // cast is ok
+        tvIns.item.pszText = (wxChar *)text.c_str();  // cast is ok
     }
 
     if ( image != -1 )
@@ -657,9 +664,11 @@ void wxTreeCtrl::DeleteAllItems()
 
 void wxTreeCtrl::DoExpand(const wxTreeItemId& item, int flag)
 {
-    wxASSERT_MSG( flag == TVE_COLLAPSE || flag == TVE_COLLAPSERESET ||
-                  flag == TVE_EXPAND   || flag == TVE_TOGGLE,
-                  "Unknown flag in wxTreeCtrl::DoExpand" );
+    wxASSERT_MSG( flag == TVE_COLLAPSE ||
+                  flag == (TVE_COLLAPSE | TVE_COLLAPSERESET) ||
+                  flag == TVE_EXPAND   ||
+                  flag == TVE_TOGGLE,
+                  _T("Unknown flag in wxTreeCtrl::DoExpand") );
 
     // TreeView_Expand doesn't send TVN_ITEMEXPAND(ING) messages, so we must
     // emulate them
@@ -682,7 +691,7 @@ void wxTreeCtrl::DoExpand(const wxTreeItemId& item, int flag)
     else
     {
         // I wonder if it really ever happens...
-        wxLogDebug("TreeView_Expand: change didn't took place.");
+        wxLogDebug(_T("TreeView_Expand: change didn't took place."));
     }
 }
 
@@ -698,7 +707,7 @@ void wxTreeCtrl::Collapse(const wxTreeItemId& item)
 
 void wxTreeCtrl::CollapseAndReset(const wxTreeItemId& item)
 {
-    DoExpand(item, TVE_COLLAPSERESET);
+    DoExpand(item, TVE_COLLAPSE | TVE_COLLAPSERESET);
 }
 
 void wxTreeCtrl::Toggle(const wxTreeItemId& item)
@@ -761,7 +770,7 @@ wxTextCtrl* wxTreeCtrl::EditLabel(const wxTreeItemId& item,
 
     HWND hWnd = (HWND) TreeView_EditLabel(wxhWnd, (HTREEITEM) (WXHTREEITEM) item);
 
-    wxCHECK_MSG( hWnd, NULL, "Can't edit tree ctrl label" );
+    wxCHECK_MSG( hWnd, NULL, _T("Can't edit tree ctrl label") );
 
     DeleteTextCtrl();
 
@@ -838,13 +847,16 @@ static int CALLBACK TreeView_CompareCallback(wxTreeItemData *pItem1,
                                              wxTreeItemData *pItem2,
                                              wxTreeCtrl *tree)
 {
+    wxCHECK_MSG( pItem1 && pItem2, 0,
+                 _T("sorting tree without data doesn't make sense") );
+
     return tree->OnCompareItems(pItem1->GetId(), pItem2->GetId());
 }
 
 int wxTreeCtrl::OnCompareItems(const wxTreeItemId& item1,
                                const wxTreeItemId& item2)
 {
-    return strcmp(GetItemText(item1), GetItemText(item2));
+    return wxStrcmp(GetItemText(item1), GetItemText(item2));
 }
 
 void wxTreeCtrl::SortChildren(const wxTreeItemId& item)
@@ -895,7 +907,7 @@ bool wxTreeCtrl::MSWCommand(WXUINT cmd, WXWORD id)
 }
 
 // process WM_NOTIFY Windows message
-bool wxTreeCtrl::MSWNotify(WXWPARAM wParam, WXLPARAM lParam, WXLPARAM *result)
+bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
 {
     wxTreeEvent event(wxEVT_NULL, m_windowId);
     wxEventType eventType = wxEVT_NULL;
@@ -983,8 +995,8 @@ bool wxTreeCtrl::MSWNotify(WXWPARAM wParam, WXLPARAM lParam, WXLPARAM *result)
                         break;
 
                     default:
-                        wxLogDebug("unexpected code %d in TVN_ITEMEXPAND "
-                                   "message", tv->action);
+                        wxLogDebug(_T("unexpected code %d in TVN_ITEMEXPAND "
+                                      "message"), tv->action);
                 }
 
                 bool ing = (hdr->code == TVN_ITEMEXPANDING);
@@ -1031,7 +1043,7 @@ bool wxTreeCtrl::MSWNotify(WXWPARAM wParam, WXLPARAM lParam, WXLPARAM *result)
             }
 
         default:
-            return wxControl::MSWNotify(wParam, lParam, result);
+            return wxControl::MSWOnNotify(idCtrl, lParam, result);
     }
 
     event.SetEventObject(this);
@@ -1048,6 +1060,7 @@ bool wxTreeCtrl::MSWNotify(WXWPARAM wParam, WXLPARAM lParam, WXLPARAM *result)
         NM_TREEVIEW* tv = (NM_TREEVIEW *)lParam;
         wxTreeItemData *data = (wxTreeItemData *)tv->itemOld.lParam;
         delete data; // may be NULL, ok
+        processed = TRUE; // Make sure we don't get called twice
     }
 
     *result = !event.IsAllowed();