fixed bug in mouse handling

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

diff --git a/src/msw/treectrl.cpp b/src/msw/treectrl.cpp
index f231242b85621d56d0bcb08d7b7a534d1f3d4285..80a45175271bb7e603719e052f1b3594eee6768b 100644 (file)
--- a/src/msw/treectrl.cpp
+++ b/src/msw/treectrl.cpp
@@ -29,6 +29,9 @@
 
 #include "wx/msw/private.h"
 
 
 #include "wx/msw/private.h"
 

+// Set this to 1 to be _absolutely_ sure that repainting will work for all comctl32.dll versions
+#define wxUSE_COMCTL32_SAFELY 0
+

 // Mingw32 is a bit mental even though this is done in winundef
 #ifdef GetFirstChild
     #undef GetFirstChild
 // Mingw32 is a bit mental even though this is done in winundef
 #ifdef GetFirstChild
     #undef GetFirstChild


@@ -43,9 +46,8 @@
 #include "wx/log.h"
 #include "wx/dynarray.h"
 #include "wx/imaglist.h"
 #include "wx/log.h"
 #include "wx/dynarray.h"
 #include "wx/imaglist.h"

-#include "wx/treectrl.h"

 #include "wx/settings.h"
 #include "wx/settings.h"

-
+#include "wx/msw/treectrl.h"

 #include "wx/msw/dragimag.h"
 
 #ifdef __GNUWIN32_OLD__
 #include "wx/msw/dragimag.h"
 
 #ifdef __GNUWIN32_OLD__


@@ -112,7 +114,7 @@ static bool IsItemSelected(HWND hwndTV, HTREEITEM hItem)
 
     if ( !TreeView_GetItem(hwndTV, &tvi) )
     {
 
     if ( !TreeView_GetItem(hwndTV, &tvi) )
     {

-        wxLogLastError("TreeView_GetItem");
+        wxLogLastError(wxT("TreeView_GetItem"));

     }
 
     return (tvi.state & TVIS_SELECTED) != 0;
     }
 
     return (tvi.state & TVIS_SELECTED) != 0;


@@ -128,7 +130,7 @@ static void SelectItem(HWND hwndTV, HTREEITEM hItem, bool select = TRUE)
 
     if ( TreeView_SetItem(hwndTV, &tvi) == -1 )
     {
 
     if ( TreeView_SetItem(hwndTV, &tvi) == -1 )
     {

-        wxLogLastError("TreeView_SetItem");
+        wxLogLastError(wxT("TreeView_SetItem"));

     }
 }
 
     }
 }
 


@@ -516,8 +518,10 @@ bool wxTreeCtrl::Create(wxWindow *parent,
         return FALSE;
 
     DWORD wstyle = WS_VISIBLE | WS_CHILD | WS_TABSTOP |
         return FALSE;
 
     DWORD wstyle = WS_VISIBLE | WS_CHILD | WS_TABSTOP |

-                   TVS_HASLINES | TVS_SHOWSELALWAYS;
+                   TVS_SHOWSELALWAYS /* | WS_CLIPSIBLINGS */;

 
 

+    if ((m_windowStyle & wxTR_NO_LINES) == 0)
+        wstyle |= TVS_HASLINES;

     if ( m_windowStyle & wxTR_HAS_BUTTONS )
         wstyle |= TVS_HASBUTTONS;
 
     if ( m_windowStyle & wxTR_HAS_BUTTONS )
         wstyle |= TVS_HASBUTTONS;
 


@@ -545,8 +549,23 @@ bool wxTreeCtrl::Create(wxWindow *parent,
     if ( !MSWCreateControl(WC_TREEVIEW, wstyle) )
         return FALSE;
 
     if ( !MSWCreateControl(WC_TREEVIEW, wstyle) )
         return FALSE;
 

+#if wxUSE_COMCTL32_SAFELY
+    wxWindow::SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_WINDOW));
+    wxWindow::SetForegroundColour(wxWindow::GetParent()->GetForegroundColour());
+#elif 1

     SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_WINDOW));
     SetForegroundColour(wxWindow::GetParent()->GetForegroundColour());
     SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_WINDOW));
     SetForegroundColour(wxWindow::GetParent()->GetForegroundColour());

+#else
+    // This works around a bug in the Windows tree control whereby for some versions
+    // of comctrl32, setting any colour actually draws the background in black.
+    // This will initialise the background to the system colour.
+    // THIS FIX NOW REVERTED since it caused problems on _other_ systems.
+    // Assume the user has an updated comctl32.dll.
+    ::SendMessage(GetHwnd(), TVM_SETBKCOLOR, 0,-1);
+    wxWindow::SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_WINDOW));
+    SetForegroundColour(wxWindow::GetParent()->GetForegroundColour());
+#endif
+

 
     // VZ: this is some experimental code which may be used to get the
     //     TVS_CHECKBOXES style functionality for comctl32.dll < 4.71.
 
     // VZ: this is some experimental code which may be used to get the
     //     TVS_CHECKBOXES style functionality for comctl32.dll < 4.71.


@@ -634,7 +653,7 @@ bool wxTreeCtrl::DoGetItem(wxTreeViewItem* tvItem) const
 {
     if ( !TreeView_GetItem(GetHwnd(), tvItem) )
     {
 {
     if ( !TreeView_GetItem(GetHwnd(), tvItem) )
     {

-        wxLogLastError("TreeView_GetItem");
+        wxLogLastError(wxT("TreeView_GetItem"));

 
         return FALSE;
     }
 
         return FALSE;
     }


@@ -646,7 +665,7 @@ void wxTreeCtrl::DoSetItem(wxTreeViewItem* tvItem)
 {
     if ( TreeView_SetItem(GetHwnd(), tvItem) == -1 )
     {
 {
     if ( TreeView_SetItem(GetHwnd(), tvItem) == -1 )
     {

-        wxLogLastError("TreeView_SetItem");
+        wxLogLastError(wxT("TreeView_SetItem"));

     }
 }
 
     }
 }
 


@@ -707,20 +726,24 @@ size_t wxTreeCtrl::GetChildrenCount(const wxTreeItemId& item,
 
 bool wxTreeCtrl::SetBackgroundColour(const wxColour &colour)
 {
 
 bool wxTreeCtrl::SetBackgroundColour(const wxColour &colour)
 {

+#if !wxUSE_COMCTL32_SAFELY

     if ( !wxWindowBase::SetBackgroundColour(colour) )
         return FALSE;
 
     SendMessage(GetHwnd(), TVM_SETBKCOLOR, 0, colour.GetPixel());
     if ( !wxWindowBase::SetBackgroundColour(colour) )
         return FALSE;
 
     SendMessage(GetHwnd(), TVM_SETBKCOLOR, 0, colour.GetPixel());

+#endif

 
     return TRUE;
 }
 
 bool wxTreeCtrl::SetForegroundColour(const wxColour &colour)
 {
 
     return TRUE;
 }
 
 bool wxTreeCtrl::SetForegroundColour(const wxColour &colour)
 {

+#if !wxUSE_COMCTL32_SAFELY

     if ( !wxWindowBase::SetForegroundColour(colour) )
         return FALSE;
 
     SendMessage(GetHwnd(), TVM_SETTEXTCOLOR, 0, colour.GetPixel());
     if ( !wxWindowBase::SetForegroundColour(colour) )
         return FALSE;
 
     SendMessage(GetHwnd(), TVM_SETTEXTCOLOR, 0, colour.GetPixel());

+#endif

 
     return TRUE;
 }
 
     return TRUE;
 }


@@ -1079,7 +1102,7 @@ wxTreeItemId wxTreeCtrl::GetRootItem() const
 
 wxTreeItemId wxTreeCtrl::GetSelection() const
 {
 
 wxTreeItemId wxTreeCtrl::GetSelection() const
 {

-    wxCHECK_MSG( !(m_windowStyle & wxTR_MULTIPLE), (WXHTREEITEM)0,
+    wxCHECK_MSG( !(m_windowStyle & wxTR_MULTIPLE), (long)(WXHTREEITEM)0,

                  wxT("this only works with single selection controls") );
 
     return wxTreeItemId((WXHTREEITEM) TreeView_GetSelection(GetHwnd()));
                  wxT("this only works with single selection controls") );
 
     return wxTreeItemId((WXHTREEITEM) TreeView_GetSelection(GetHwnd()));


@@ -1142,16 +1165,14 @@ wxTreeItemId wxTreeCtrl::GetFirstVisibleItem() const
 
 wxTreeItemId wxTreeCtrl::GetNextVisible(const wxTreeItemId& item) const
 {
 
 wxTreeItemId wxTreeCtrl::GetNextVisible(const wxTreeItemId& item) const
 {

-    wxASSERT_MSG( IsVisible(item), wxT("The item you call GetNextVisible() "
-                                      "for must be visible itself!"));
+    wxASSERT_MSG( IsVisible(item), wxT("The item you call GetNextVisible() for must be visible itself!"));

 
     return wxTreeItemId((WXHTREEITEM) TreeView_GetNextVisible(GetHwnd(), HITEM(item)));
 }
 
 wxTreeItemId wxTreeCtrl::GetPrevVisible(const wxTreeItemId& item) const
 {
 
     return wxTreeItemId((WXHTREEITEM) TreeView_GetNextVisible(GetHwnd(), HITEM(item)));
 }
 
 wxTreeItemId wxTreeCtrl::GetPrevVisible(const wxTreeItemId& item) const
 {

-    wxASSERT_MSG( IsVisible(item), wxT("The item you call GetPrevVisible() "
-                                      "for must be visible itself!"));
+    wxASSERT_MSG( IsVisible(item), wxT("The item you call GetPrevVisible() for must be visible itself!"));

 
     return wxTreeItemId((WXHTREEITEM) TreeView_GetPrevVisible(GetHwnd(), HITEM(item)));
 }
 
     return wxTreeItemId((WXHTREEITEM) TreeView_GetPrevVisible(GetHwnd(), HITEM(item)));
 }


@@ -1198,6 +1219,10 @@ wxTreeItemId wxTreeCtrl::DoInsertItem(const wxTreeItemId& parent,
                                       int image, int selectedImage,
                                       wxTreeItemData *data)
 {
                                       int image, int selectedImage,
                                       wxTreeItemData *data)
 {

+    wxCHECK_MSG( parent.IsOk() || !TreeView_GetRoot(GetHwnd()),
+                 wxTreeItemId(),
+                 _T("can't have more than one root in the tree") );
+

     TV_INSERTSTRUCT tvIns;
     tvIns.hParent = HITEM(parent);
     tvIns.hInsertAfter = HITEM(hInsertAfter);
     TV_INSERTSTRUCT tvIns;
     tvIns.hParent = HITEM(parent);
     tvIns.hInsertAfter = HITEM(hInsertAfter);


@@ -1215,6 +1240,11 @@ wxTreeItemId wxTreeCtrl::DoInsertItem(const wxTreeItemId& parent,
         mask |= TVIF_TEXT;
         tvIns.item.pszText = (wxChar *)text.c_str();  // cast is ok
     }
         mask |= TVIF_TEXT;
         tvIns.item.pszText = (wxChar *)text.c_str();  // cast is ok
     }

+    else
+    {
+        tvIns.item.pszText = NULL;
+        tvIns.item.cchTextMax = 0;
+    }

 
     if ( image != -1 )
     {
 
     if ( image != -1 )
     {


@@ -1245,7 +1275,7 @@ wxTreeItemId wxTreeCtrl::DoInsertItem(const wxTreeItemId& parent,
     HTREEITEM id = (HTREEITEM) TreeView_InsertItem(GetHwnd(), &tvIns);
     if ( id == 0 )
     {
     HTREEITEM id = (HTREEITEM) TreeView_InsertItem(GetHwnd(), &tvIns);
     if ( id == 0 )
     {

-        wxLogLastError("TreeView_InsertItem");
+        wxLogLastError(wxT("TreeView_InsertItem"));

     }
 
     if ( data != NULL )
     }
 
     if ( data != NULL )


@@ -1271,7 +1301,7 @@ wxTreeItemId wxTreeCtrl::AddRoot(const wxString& text,
                                  int image, int selectedImage,
                                  wxTreeItemData *data)
 {
                                  int image, int selectedImage,
                                  wxTreeItemData *data)
 {

-    return DoInsertItem(wxTreeItemId((WXHTREEITEM) 0), (WXHTREEITEM) 0,
+    return DoInsertItem(wxTreeItemId((long) (WXHTREEITEM) 0), (long)(WXHTREEITEM) 0,

                         text, image, selectedImage, data);
 }
 
                         text, image, selectedImage, data);
 }
 


@@ -1330,7 +1360,7 @@ void wxTreeCtrl::Delete(const wxTreeItemId& item)
 {
     if ( !TreeView_DeleteItem(GetHwnd(), HITEM(item)) )
     {
 {
     if ( !TreeView_DeleteItem(GetHwnd(), HITEM(item)) )
     {

-        wxLogLastError("TreeView_DeleteItem");
+        wxLogLastError(wxT("TreeView_DeleteItem"));

     }
 }
 
     }
 }
 


@@ -1353,7 +1383,7 @@ void wxTreeCtrl::DeleteChildren(const wxTreeItemId& item)
     {
         if ( !TreeView_DeleteItem(GetHwnd(), (HTREEITEM)children[n]) )
         {
     {
         if ( !TreeView_DeleteItem(GetHwnd(), (HTREEITEM)children[n]) )
         {

-            wxLogLastError("TreeView_DeleteItem");
+            wxLogLastError(wxT("TreeView_DeleteItem"));

         }
     }
 }
         }
     }
 }


@@ -1362,7 +1392,7 @@ void wxTreeCtrl::DeleteAllItems()
 {
     if ( !TreeView_DeleteAllItems(GetHwnd()) )
     {
 {
     if ( !TreeView_DeleteAllItems(GetHwnd()) )
     {

-        wxLogLastError("TreeView_DeleteAllItems");
+        wxLogLastError(wxT("TreeView_DeleteAllItems"));

     }
 }
 
     }
 }
 


@@ -1436,7 +1466,7 @@ void wxTreeCtrl::Unselect()
                   wxT("doesn't make sense, may be you want UnselectAll()?") );
 
     // just remove the selection
                   wxT("doesn't make sense, may be you want UnselectAll()?") );
 
     // just remove the selection

-    SelectItem(wxTreeItemId((WXHTREEITEM) 0));
+    SelectItem(wxTreeItemId((long) (WXHTREEITEM) 0));

 }
 
 void wxTreeCtrl::UnselectAll()
 }
 
 void wxTreeCtrl::UnselectAll()


@@ -1487,7 +1517,7 @@ void wxTreeCtrl::SelectItem(const wxTreeItemId& item)
         {
             if ( !TreeView_SelectItem(GetHwnd(), HITEM(item)) )
             {
         {
             if ( !TreeView_SelectItem(GetHwnd(), HITEM(item)) )
             {

-                wxLogLastError("TreeView_SelectItem");
+                wxLogLastError(wxT("TreeView_SelectItem"));

             }
             else
             {
             }
             else
             {


@@ -1509,7 +1539,7 @@ void wxTreeCtrl::ScrollTo(const wxTreeItemId& item)
 {
     if ( !TreeView_SelectSetFirstVisible(GetHwnd(), HITEM(item)) )
     {
 {
     if ( !TreeView_SelectSetFirstVisible(GetHwnd(), HITEM(item)) )
     {

-        wxLogLastError("TreeView_SelectSetFirstVisible");
+        wxLogLastError(wxT("TreeView_SelectSetFirstVisible"));

     }
 }
 
     }
 }
 


@@ -1911,25 +1941,6 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
 
     switch ( hdr->code )
     {
 
     switch ( hdr->code )
     {

-        case NM_RCLICK:
-            {
-                if ( wxControl::MSWOnNotify(idCtrl, lParam, result) )
-                    return TRUE;
-
-                TV_HITTESTINFO tvhti;
-                ::GetCursorPos(&(tvhti.pt));
-                ::ScreenToClient(GetHwnd(),&(tvhti.pt));
-                if ( TreeView_HitTest(GetHwnd(),&tvhti) )
-                {
-                    if( tvhti.flags & TVHT_ONITEM )
-                    {
-                        event.m_item = (WXHTREEITEM) tvhti.hItem;
-                        eventType = wxEVT_COMMAND_TREE_ITEM_RIGHT_CLICK;
-                    }
-                }
-            }
-            break;
-

         case TVN_BEGINDRAG:
             eventType = wxEVT_COMMAND_TREE_BEGIN_DRAG;
             // fall through
         case TVN_BEGINDRAG:
             eventType = wxEVT_COMMAND_TREE_BEGIN_DRAG;
             // fall through


@@ -2025,8 +2036,7 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
                         break;
 
                     default:
                         break;
 
                     default:

-                        wxLogDebug(wxT("unexpected code %d in TVN_ITEMEXPAND "
-                                      "message"), tv->action);
+                        wxLogDebug(wxT("unexpected code %d in TVN_ITEMEXPAND message"), tv->action);

                 }
 
                 bool ing = ((int)hdr->code == TVN_ITEMEXPANDING);
                 }
 
                 bool ing = ((int)hdr->code == TVN_ITEMEXPANDING);


@@ -2078,7 +2088,7 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
             }
             break;
 
             }
             break;
 

-#if defined(_WIN32_IE) && _WIN32_IE >= 0x300
+#if defined(_WIN32_IE) && _WIN32_IE >= 0x300 && !wxUSE_COMCTL32_SAFELY

         case NM_CUSTOMDRAW:
             {
                 LPNMTVCUSTOMDRAW lptvcd = (LPNMTVCUSTOMDRAW)lParam;
         case NM_CUSTOMDRAW:
             {
                 LPNMTVCUSTOMDRAW lptvcd = (LPNMTVCUSTOMDRAW)lParam;


@@ -2175,6 +2185,27 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
             break;
 #endif // _WIN32_IE >= 0x300
 
             break;
 #endif // _WIN32_IE >= 0x300
 

+        case NM_DBLCLK:
+        case NM_RCLICK:
+            {
+                TV_HITTESTINFO tvhti;
+                ::GetCursorPos(&tvhti.pt);
+                ::ScreenToClient(GetHwnd(), &tvhti.pt);
+                if ( TreeView_HitTest(GetHwnd(), &tvhti) )
+                {
+                    if ( tvhti.flags & TVHT_ONITEM )
+                    {
+                        event.m_item = (WXHTREEITEM) tvhti.hItem;
+                        eventType = (int)hdr->code == NM_DBLCLK
+                                    ? wxEVT_COMMAND_TREE_ITEM_ACTIVATED
+                                    : wxEVT_COMMAND_TREE_ITEM_RIGHT_CLICK;
+                    }
+
+                    break;
+                }
+            }
+            // fall through
+

         default:
             return wxControl::MSWOnNotify(idCtrl, lParam, result);
     }
         default:
             return wxControl::MSWOnNotify(idCtrl, lParam, result);
     }


@@ -2187,6 +2218,14 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
     // post processing
     switch ( hdr->code )
     {
     // post processing
     switch ( hdr->code )
     {

+        case NM_DBLCLK:
+            // we translate NM_DBLCLK into ACTIVATED event, so don't interpret
+            // the return code of this event handler as the return value for
+            // NM_DBLCLK - otherwise, double clicking the item to toggle its
+            // expanded status would never work
+            *result = FALSE;
+            break;
+

         case TVN_BEGINDRAG:
         case TVN_BEGINRDRAG:
             if ( event.IsAllowed() )
         case TVN_BEGINDRAG:
         case TVN_BEGINRDRAG:
             if ( event.IsAllowed() )


@@ -2217,6 +2256,11 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
                     delete data; // can't be NULL here
 
                     m_itemsWithIndirectData.Remove(item);
                     delete data; // can't be NULL here
 
                     m_itemsWithIndirectData.Remove(item);

+#if 0
+                    int iIndex = m_itemsWithIndirectData.Index(item);
+                    wxASSERT( iIndex != wxNOT_FOUND) ;
+                    m_itemsWithIndirectData.wxBaseArray::RemoveAt((size_t)iIndex);
+#endif

                 }
                 else
                 {
                 }
                 else
                 {


@@ -2286,18 +2330,5 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
     return processed;
 }
 
     return processed;
 }
 

-// ----------------------------------------------------------------------------
-// Tree event
-// ----------------------------------------------------------------------------
-
-IMPLEMENT_DYNAMIC_CLASS(wxTreeEvent, wxNotifyEvent)
-
-wxTreeEvent::wxTreeEvent(wxEventType commandType, int id)
-           : wxNotifyEvent(commandType, id)
-{
-    m_code = 0;
-    m_itemOld = 0;
-}
-

 #endif // __WIN95__
 
 #endif // __WIN95__