Add comments explaining the workaround for mingw 3.2.3

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

diff --git a/src/msw/treectrl.cpp b/src/msw/treectrl.cpp
index 3ce3398cb053dd0cf1731d5ca47d94dfd056c7fc..5e49a101c16784b1fd7f4d46664c40fddb92b4ca 100644 (file)
--- a/src/msw/treectrl.cpp
+++ b/src/msw/treectrl.cpp
@@ -659,7 +659,7 @@ bool wxTreeCtrl::Create(wxWindow *parent,
 
     if ( m_windowStyle & wxTR_FULL_ROW_HIGHLIGHT )
     {
 
     if ( m_windowStyle & wxTR_FULL_ROW_HIGHLIGHT )
     {

-        if ( wxTheApp->GetComCtl32Version() >= 471 )
+        if ( wxApp::GetComCtl32Version() >= 471 )

             wstyle |= TVS_FULLROWSELECT;
     }
 
             wstyle |= TVS_FULLROWSELECT;
     }
 


@@ -926,7 +926,7 @@ bool wxTreeCtrl::SetForegroundColour(const wxColour &colour)
 
 wxString wxTreeCtrl::GetItemText(const wxTreeItemId& item) const
 {
 
 wxString wxTreeCtrl::GetItemText(const wxTreeItemId& item) const
 {

-    wxCHECK_MSG( item.IsOk(), wxT(""), wxT("invalid tree item") );
+    wxCHECK_MSG( item.IsOk(), wxEmptyString, wxT("invalid tree item") );

 
     wxChar buf[512];  // the size is arbitrary...
 
 
     wxChar buf[512];  // the size is arbitrary...
 


@@ -1719,6 +1719,26 @@ wxTreeItemId wxTreeCtrl::InsertItem(const wxTreeItemId& parent,
                         image, selImage, NULL);
 }
 
                         image, selImage, NULL);
 }
 

+wxImageList *wxTreeCtrl::GetImageList(int) const
+{
+    return GetImageList();
+}
+
+void wxTreeCtrl::SetImageList(wxImageList *imageList, int)
+{
+    SetImageList(imageList);
+}
+
+int wxTreeCtrl::GetItemSelectedImage(const wxTreeItemId& item) const
+{
+    return GetItemImage(item, wxTreeItemIcon_Selected);
+}
+
+void wxTreeCtrl::SetItemSelectedImage(const wxTreeItemId& item, int image)
+{
+    SetItemImage(item, image, wxTreeItemIcon_Selected);
+}
+

 #endif // WXWIN_COMPATIBILITY_2_4
 
 wxTreeItemId wxTreeCtrl::AddRoot(const wxString& text,
 #endif // WXWIN_COMPATIBILITY_2_4
 
 wxTreeItemId wxTreeCtrl::AddRoot(const wxString& text,


@@ -1900,10 +1920,12 @@ void wxTreeCtrl::Toggle(const wxTreeItemId& item)
 }
 
 #if WXWIN_COMPATIBILITY_2_4
 }
 
 #if WXWIN_COMPATIBILITY_2_4

+

 void wxTreeCtrl::ExpandItem(const wxTreeItemId& item, int action)
 {
     DoExpand(item, action);
 }
 void wxTreeCtrl::ExpandItem(const wxTreeItemId& item, int action)
 {
     DoExpand(item, action);
 }

+

 #endif
 
 void wxTreeCtrl::Unselect()
 #endif
 
 void wxTreeCtrl::Unselect()


@@ -1929,6 +1951,8 @@ void wxTreeCtrl::UnselectAll()
             ::UnselectItem(GetHwnd(), HITEM_PTR(selections[n]));
 #endif // wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE/!wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE
         }
             ::UnselectItem(GetHwnd(), HITEM_PTR(selections[n]));
 #endif // wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE/!wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE
         }

+
+        m_htSelStart.Unset();

     }
     else
     {
     }
     else
     {


@@ -2217,19 +2241,23 @@ WXLRESULT wxTreeCtrl::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lPara
 {
     bool processed = false;
     WXLRESULT rc = 0;
 {
     bool processed = false;
     WXLRESULT rc = 0;

-    bool isMultiple = (GetWindowStyle() & wxTR_MULTIPLE) != 0;
+    bool isMultiple = HasFlag(wxTR_MULTIPLE);

 
 

-    if (nMsg == WM_CONTEXTMENU)
+#ifdef WM_CONTEXTMENU
+    if ( nMsg == WM_CONTEXTMENU )

     {
         wxTreeEvent event( wxEVT_COMMAND_TREE_ITEM_MENU, GetId() );
     {
         wxTreeEvent event( wxEVT_COMMAND_TREE_ITEM_MENU, GetId() );

-        event.m_item = GetSelection();
+
+        // can't use GetSelection() here as it would assert in multiselect mode
+        event.m_item = wxTreeItemId(TreeView_GetSelection(GetHwnd()));

         event.SetEventObject( this );
         event.SetEventObject( this );

-        GetEventHandler()->ProcessEvent( event );

 
 

-        return rc;
+        if ( GetEventHandler()->ProcessEvent(event) )
+            processed = true;
+        //else: continue with generating wxEVT_CONTEXT_MENU in base class code

     }
     }

-
-    if ( (nMsg >= WM_MOUSEFIRST) && (nMsg <= WM_MOUSELAST) )
+#endif // WM_CONTEXTMENU
+    else if ( (nMsg >= WM_MOUSEFIRST) && (nMsg <= WM_MOUSELAST) )

     {
         // we only process mouse messages here and these parameters have the
         // same meaning for all of them
     {
         // we only process mouse messages here and these parameters have the
         // same meaning for all of them


@@ -2402,9 +2430,9 @@ WXLRESULT wxTreeCtrl::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lPara
             // TreeView_GetItemRect() will return false if item is not visible,
             // which may happen perfectly well
             if ( TreeView_GetItemRect(GetHwnd(), HITEM_PTR(selections[n]),
             // TreeView_GetItemRect() will return false if item is not visible,
             // which may happen perfectly well
             if ( TreeView_GetItemRect(GetHwnd(), HITEM_PTR(selections[n]),

-                                      &rect, true) )
+                                      &rect, TRUE) )

             {
             {

-                ::InvalidateRect(GetHwnd(), &rect, false);
+                ::InvalidateRect(GetHwnd(), &rect, FALSE);

             }
         }
     }
             }
         }
     }


@@ -2413,79 +2441,82 @@ WXLRESULT wxTreeCtrl::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lPara
         bool bCtrl = wxIsCtrlDown(),
              bShift = wxIsShiftDown();
 
         bool bCtrl = wxIsCtrlDown(),
              bShift = wxIsShiftDown();
 

-        // we handle.arrows and space, but not page up/down and home/end: the
-        // latter should be easy, but not the former
-

         HTREEITEM htSel = (HTREEITEM)TreeView_GetSelection(GetHwnd());
         HTREEITEM htSel = (HTREEITEM)TreeView_GetSelection(GetHwnd());

-        if ( !m_htSelStart )
-        {
-            m_htSelStart = htSel;
-        }
-
-        if ( wParam == VK_SPACE )
+        switch ( wParam )

         {
         {

-            if ( bCtrl )
-            {
-                ::ToggleItemSelection(GetHwnd(), htSel);
-            }
-            else
-            {
-                UnselectAll();
-
-                ::SelectItem(GetHwnd(), htSel);
-            }
+            case VK_SPACE:
+                if ( bCtrl )
+                {
+                    ::ToggleItemSelection(GetHwnd(), htSel);
+                }
+                else
+                {
+                    UnselectAll();

 
 

-            processed = true;
-        }
-        else if ( wParam == VK_UP || wParam == VK_DOWN )
-        {
-            if ( !bCtrl && !bShift )
-            {
-                // no modifiers, just clear selection and then let the default
-                // processing to take place
-                UnselectAll();
-            }
-            else if ( htSel )
-            {
-                (void)wxControl::MSWWindowProc(nMsg, wParam, lParam);
+                    ::SelectItem(GetHwnd(), htSel);
+                }

 
 

-                HTREEITEM htNext = (HTREEITEM)(wParam == VK_UP
-                                    ? TreeView_GetPrevVisible(GetHwnd(), htSel)
-                                    : TreeView_GetNextVisible(GetHwnd(), htSel));
+                processed = true;
+                break;

 
 

-                if ( !htNext )
+            case VK_UP:
+            case VK_DOWN:
+                if ( !bCtrl && !bShift )

                 {
                 {

-                    // at the top/bottom
-                    htNext = htSel;
+                    // no modifiers, just clear selection and then let the default
+                    // processing to take place
+                    UnselectAll();

                 }
                 }

-
-                if ( bShift )
+                else if ( htSel )

                 {
                 {

-                    SelectRange(GetHwnd(), HITEM(m_htSelStart), htNext);
+                    (void)wxControl::MSWWindowProc(nMsg, wParam, lParam);
+
+                    HTREEITEM htNext = (HTREEITEM)
+                        TreeView_GetNextItem
+                        (
+                            GetHwnd(),
+                            htSel,
+                            wParam == VK_UP ? TVGN_PREVIOUSVISIBLE
+                                            : TVGN_NEXTVISIBLE
+                        );
+
+                    if ( !htNext )
+                    {
+                        // at the top/bottom
+                        htNext = htSel;
+                    }
+
+                    if ( bShift )
+                    {
+                        if ( !m_htSelStart )
+                            m_htSelStart = htSel;
+
+                        SelectRange(GetHwnd(), HITEM(m_htSelStart), htNext);
+                    }
+                    else // bCtrl
+                    {
+                        // without changing selection
+                        ::SetFocus(GetHwnd(), htNext);
+                    }
+
+                    processed = true;

                 }
                 }

-                else // bCtrl
+                break;
+
+            case VK_HOME:
+            case VK_END:
+            case VK_PRIOR:
+            case VK_NEXT:
+                // TODO: handle Shift/Ctrl with these keys
+                if ( !bCtrl && !bShift )

                 {
                 {

-                    // without changing selection
-                    ::SetFocus(GetHwnd(), htNext);
-                }
+                    UnselectAll();

 
 

-                processed = true;
-            }
+                    m_htSelStart.Unset();
+                }

         }
     }
 #endif // !wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE
         }
     }
 #endif // !wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE

-    else if ( nMsg == WM_CHAR )
-    {
-        // don't let the control process Space and Return keys because it
-        // doesn't do anything useful with them anyhow but always beeps
-        // annoyingly when it receives them and there is no way to turn it off
-        // simply if you just process TREEITEM_ACTIVATED event to which Space
-        // and Enter presses are mapped in your code
-        if ( wParam == VK_SPACE || wParam == VK_RETURN )
-        {
-            processed = true;
-        }
-    }

     else if ( nMsg == WM_COMMAND )
     {
         // if we receive a EN_KILLFOCUS command from the in-place edit control
     else if ( nMsg == WM_COMMAND )
     {
         // if we receive a EN_KILLFOCUS command from the in-place edit control


@@ -2511,6 +2542,30 @@ WXLRESULT wxTreeCtrl::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lPara
     return rc;
 }
 
     return rc;
 }
 

+WXLRESULT
+wxTreeCtrl::MSWDefWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
+{
+    // default WM_RBUTTONDOWN handler enters modal loop inside DefWindowProc()
+    // waiting for WM_RBUTTONUP and then sends the resulting WM_CONTEXTMENU to
+    // the parent window, not us, which completely breaks everything so simply
+    // don't let it see this message at all
+    if ( nMsg == WM_RBUTTONDOWN )
+        return 0;
+
+    if ( nMsg == WM_CHAR )
+    {
+        // also don't let the control process Space and Return keys because it
+        // doesn't do anything useful with them anyhow but always beeps
+        // annoyingly when it receives them and there is no way to turn it off
+        // simply if you just process TREEITEM_ACTIVATED event to which Space
+        // and Enter presses are mapped in your code
+        if ( wParam == VK_SPACE || wParam == VK_RETURN )
+            return 0;
+    }
+
+    return wxControl::MSWDefWindowProc(nMsg, wParam, lParam);
+}
+

 // process WM_NOTIFY Windows message
 bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
 {
 // process WM_NOTIFY Windows message
 bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
 {


@@ -2547,6 +2602,10 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
                 eventType = wxEVT_COMMAND_TREE_BEGIN_LABEL_EDIT;
                 TV_DISPINFO *info = (TV_DISPINFO *)lParam;
 
                 eventType = wxEVT_COMMAND_TREE_BEGIN_LABEL_EDIT;
                 TV_DISPINFO *info = (TV_DISPINFO *)lParam;
 

+                // although the user event handler may still veto it, it is
+                // important to set it now so that calls to SetItemText() from
+                // the event handler would change the text controls contents
+                m_idEdited =

                 event.m_item = info->item.hItem;
                 event.m_label = info->item.pszText;
                 event.m_editCancelled = false;
                 event.m_item = info->item.hItem;
                 event.m_label = info->item.pszText;
                 event.m_editCancelled = false;


@@ -2879,7 +2938,7 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
                 wxASSERT_MSG( !m_dragImage, _T("starting to drag once again?") );
 
                 m_dragImage = new wxDragImage(*this, event.m_item);
                 wxASSERT_MSG( !m_dragImage, _T("starting to drag once again?") );
 
                 m_dragImage = new wxDragImage(*this, event.m_item);

-                m_dragImage->BeginDrag(wxPoint(0, 0), this);
+                m_dragImage->BeginDrag(wxPoint(0,0), this);

                 m_dragImage->Show();
             }
             break;
                 m_dragImage->Show();
             }
             break;


@@ -2912,8 +2971,9 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
         case TVN_BEGINLABELEDIT:
             // return true to cancel label editing
             *result = !event.IsAllowed();
         case TVN_BEGINLABELEDIT:
             // return true to cancel label editing
             *result = !event.IsAllowed();

+

             // set ES_WANTRETURN ( like we do in BeginLabelEdit )
             // set ES_WANTRETURN ( like we do in BeginLabelEdit )

-            if(event.IsAllowed())
+            if ( event.IsAllowed() )

             {
                 HWND hText = TreeView_GetEditControl(GetHwnd());
                 if(hText != NULL)
             {
                 HWND hText = TreeView_GetEditControl(GetHwnd());
                 if(hText != NULL)


@@ -2938,6 +2998,10 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
                                                | wxTE_PROCESS_ENTER);
                 }
             }
                                                | wxTE_PROCESS_ENTER);
                 }
             }

+            else // we had set m_idEdited before
+            {
+                m_idEdited.Unset();
+            }

             break;
 
         case TVN_ENDLABELEDIT:
             break;
 
         case TVN_ENDLABELEDIT:


@@ -3067,5 +3131,14 @@ int wxTreeCtrl::GetState(const wxTreeItemId& node)
     return STATEIMAGEMASKTOINDEX(tvi.state);
 }
 
     return STATEIMAGEMASKTOINDEX(tvi.state);
 }
 

+#if WXWIN_COMPATIBILITY_2_2
+
+wxTreeItemId wxTreeCtrl::GetParent(const wxTreeItemId& item) const
+{
+    return GetItemParent( item );
+}
+
+#endif  // WXWIN_COMPATIBILITY_2_2
+

 #endif // wxUSE_TREECTRL
 
 #endif // wxUSE_TREECTRL