Fix problem with COMDLG_FILTERSPEC declaration with MinGW-w64 4.8.

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

diff --git a/src/msw/headerctrl.cpp b/src/msw/headerctrl.cpp
index c6c4de551a21d909b96622a87aa4ae482118ba70..1fdebf74d883ed77bf00c793d4e5d06bd40abbc8 100644 (file)
--- a/src/msw/headerctrl.cpp
+++ b/src/msw/headerctrl.cpp
@@ -3,7 +3,6 @@
 // Purpose:     implementation of wxHeaderCtrl for wxMSW
 // Author:      Vadim Zeitlin
 // Created:     2008-12-01
-// RCS-ID:      $Id$
 // Copyright:   (c) 2008 Vadim Zeitlin <vadim@wxwidgets.org>
 // Licence:     wxWindows licence
 ///////////////////////////////////////////////////////////////////////////////
@@ -64,6 +63,7 @@ void wxHeaderCtrl::Init()
     m_numColumns = 0;
     m_imageList = NULL;
     m_scrollOffset = 0;
+    m_colBeingDragged = -1;
 }
 
 bool wxHeaderCtrl::Create(wxWindow *parent,
@@ -268,7 +268,7 @@ void wxHeaderCtrl::DoInsertItem(const wxHeaderColumn& col, unsigned int idx)
     // notice that we need to store the string we use the pointer to until we
     // pass it to the control
     hdi.mask |= HDI_TEXT;
-    wxWxCharBuffer buf = col.GetTitle().wx_str();
+    wxWxCharBuffer buf = col.GetTitle().t_str();
     hdi.pszText = buf.data();
     hdi.cchTextMax = wxStrlen(buf);
 
@@ -474,18 +474,18 @@ wxEventType wxHeaderCtrl::GetClickEventType(bool dblclk, int button)
     switch ( button )
     {
         case 0:
-            evtType = dblclk ? wxEVT_COMMAND_HEADER_DCLICK
-                             : wxEVT_COMMAND_HEADER_CLICK;
+            evtType = dblclk ? wxEVT_HEADER_DCLICK
+                             : wxEVT_HEADER_CLICK;
             break;
 
         case 1:
-            evtType = dblclk ? wxEVT_COMMAND_HEADER_RIGHT_DCLICK
-                             : wxEVT_COMMAND_HEADER_RIGHT_CLICK;
+            evtType = dblclk ? wxEVT_HEADER_RIGHT_DCLICK
+                             : wxEVT_HEADER_RIGHT_CLICK;
             break;
 
         case 2:
-            evtType = dblclk ? wxEVT_COMMAND_HEADER_MIDDLE_DCLICK
-                             : wxEVT_COMMAND_HEADER_MIDDLE_CLICK;
+            evtType = dblclk ? wxEVT_HEADER_MIDDLE_DCLICK
+                             : wxEVT_HEADER_MIDDLE_CLICK;
             break;
 
         default:
@@ -525,6 +525,9 @@ bool wxHeaderCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
         case HDN_ITEMCLICK:
         case HDN_ITEMDBLCLICK:
             evtType = GetClickEventType(code == HDN_ITEMDBLCLICK, nmhdr->iButton);
+
+            // We're not dragging any more.
+            m_colBeingDragged = -1;
             break;
 
             // although we should get the notifications about the right clicks
@@ -550,7 +553,7 @@ bool wxHeaderCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
             break;
 
         case HDN_DIVIDERDBLCLICK:
-            evtType = wxEVT_COMMAND_HEADER_SEPARATOR_DCLICK;
+            evtType = wxEVT_HEADER_SEPARATOR_DCLICK;
             break;
 
 
@@ -569,7 +572,7 @@ bool wxHeaderCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
                 break;
             }
 
-            evtType = wxEVT_COMMAND_HEADER_BEGIN_RESIZE;
+            evtType = wxEVT_HEADER_BEGIN_RESIZE;
             // fall through
 
         case HDN_ENDTRACKA:
@@ -578,7 +581,7 @@ bool wxHeaderCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
 
             if ( evtType == wxEVT_NULL )
             {
-                evtType = wxEVT_COMMAND_HEADER_END_RESIZE;
+                evtType = wxEVT_HEADER_END_RESIZE;
 
                 // don't generate events with invalid width
                 const int minWidth = GetColumn(idx).GetMinWidth();
@@ -587,6 +590,11 @@ bool wxHeaderCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
             }
             break;
 
+            // The control is not supposed to send HDN_TRACK when using
+            // HDS_FULLDRAG (which we do use) but apparently some versions of
+            // comctl32.dll still do it, see #13506, so catch both messages
+            // just in case we are dealing with one of these buggy versions.
+        case HDN_TRACK:
         case HDN_ITEMCHANGING:
             if ( nmhdr->pitem && (nmhdr->pitem->mask & HDI_WIDTH) )
             {
@@ -603,7 +611,7 @@ bool wxHeaderCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
                     // generate the resizing event from here as we don't seem
                     // to be getting HDN_TRACK events at all, at least with
                     // comctl32.dll v6
-                    evtType = wxEVT_COMMAND_HEADER_RESIZING;
+                    evtType = wxEVT_HEADER_RESIZING;
                 }
             }
             break;
@@ -617,14 +625,24 @@ bool wxHeaderCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
             if ( nmhdr->iItem == -1 )
                 break;
 
+            // If we are dragging a column that is not draggable and the mouse
+            // is moved over a different column then we get the column number from
+            // the column under the mouse. This results in an unexpected behaviour
+            // if this column is draggable. To prevent this remember the column we
+            // are dragging for the complete drag and drop cycle.
+            if ( m_colBeingDragged == -1 )
+            {
+                m_colBeingDragged = idx;
+            }
+
             // column must have the appropriate flag to be draggable
-            if ( !GetColumn(idx).IsReorderable() )
+            if ( !GetColumn(m_colBeingDragged).IsReorderable() )
             {
                 veto = true;
                 break;
             }
 
-            evtType = wxEVT_COMMAND_HEADER_BEGIN_REORDER;
+            evtType = wxEVT_HEADER_BEGIN_REORDER;
             break;
 
         case HDN_ENDDRAG:
@@ -638,11 +656,17 @@ bool wxHeaderCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
 
             order = MSWFromNativeOrder(order);
 
-            evtType = wxEVT_COMMAND_HEADER_END_REORDER;
+            evtType = wxEVT_HEADER_END_REORDER;
+
+            // We (successfully) ended dragging the column.
+            m_colBeingDragged = -1;
             break;
 
         case NM_RELEASEDCAPTURE:
-            evtType = wxEVT_COMMAND_HEADER_DRAGGING_CANCELLED;
+            evtType = wxEVT_HEADER_DRAGGING_CANCELLED;
+
+            // Dragging the column was cancelled.
+            m_colBeingDragged = -1;
             break;
     }
 
@@ -667,7 +691,7 @@ bool wxHeaderCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
             // special post-processing for HDN_ENDDRAG: we need to update the
             // internal column indices array if this is allowed to go ahead as
             // the native control is going to reorder its columns now
-            if ( evtType == wxEVT_COMMAND_HEADER_END_REORDER )
+            if ( evtType == wxEVT_HEADER_END_REORDER )
                 MoveColumnInOrderArray(m_colIndices, idx, order);
 
             if ( processed )