implemented ScrollLines/Pages; fixed bug in Thaw()

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

diff --git a/src/msw/treectrl.cpp b/src/msw/treectrl.cpp
index 84ec966ceaabf2a26368268c011a037a96367c38..5d48e4c93815db5107e3f9da8a64baeba25f5aad 100644 (file)
--- a/src/msw/treectrl.cpp
+++ b/src/msw/treectrl.cpp
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
 /////////////////////////////////////////////////////////////////////////////

-// Name:        treectrl.cpp
+// Name:        src/msw/treectrl.cpp

 // Purpose:     wxTreeCtrl
 // Author:      Julian Smart
 // Modified by: Vadim Zeitlin to be less MSW-specific on 10.10.98
 // Purpose:     wxTreeCtrl
 // Author:      Julian Smart
 // Modified by: Vadim Zeitlin to be less MSW-specific on 10.10.98


@@ -16,6 +16,7 @@
 // ----------------------------------------------------------------------------
 // headers
 // ----------------------------------------------------------------------------
 // ----------------------------------------------------------------------------
 // headers
 // ----------------------------------------------------------------------------

+

 #ifdef __GNUG__
     #pragma implementation "treectrl.h"
 #endif
 #ifdef __GNUG__
     #pragma implementation "treectrl.h"
 #endif


@@ -27,9 +28,12 @@
     #pragma hdrstop
 #endif
 
     #pragma hdrstop
 #endif
 

+#if wxUSE_TREECTRL
+

 #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
+// 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
 #define wxUSE_COMCTL32_SAFELY 0
 
 // Mingw32 is a bit mental even though this is done in winundef


@@ -54,7 +58,7 @@
     #include "wx/msw/gnuwin32/extra.h"
 #endif
 
     #include "wx/msw/gnuwin32/extra.h"
 #endif
 

-#if defined(__WIN95__) && !(defined(__GNUWIN32_OLD__) || defined(__TWIN32__))
+#if defined(__WIN95__) && !((defined(__GNUWIN32_OLD__) || defined(__TWIN32__)) && !defined(__CYGWIN10__))

     #include <commctrl.h>
 #endif
 
     #include <commctrl.h>
 #endif
 


@@ -88,6 +92,7 @@
 // looks quite ugly.
 #define wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE 0
 
 // looks quite ugly.
 #define wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE 0
 

+

 // ----------------------------------------------------------------------------
 // private functions
 // ----------------------------------------------------------------------------
 // ----------------------------------------------------------------------------
 // private functions
 // ----------------------------------------------------------------------------


@@ -368,7 +373,7 @@ public:
             DoTraverse(root, recursively);
         }
 
             DoTraverse(root, recursively);
         }
 

-    virtual bool OnVisit(const wxTreeItemId& item)
+    virtual bool OnVisit(const wxTreeItemId& WXUNUSED(item))

     {
         m_count++;
 
     {
         m_count++;
 


@@ -448,7 +453,7 @@ IMPLEMENT_DYNAMIC_CLASS(wxTreeCtrl, wxControl)
 // ----------------------------------------------------------------------------
 
 // handy table for sending events
 // ----------------------------------------------------------------------------
 
 // handy table for sending events

-static const wxEventType g_events[2][2] =
+static wxEventType g_events[2][2] =

 {
     { wxEVT_COMMAND_TREE_ITEM_COLLAPSED, wxEVT_COMMAND_TREE_ITEM_COLLAPSING },
     { wxEVT_COMMAND_TREE_ITEM_EXPANDED,  wxEVT_COMMAND_TREE_ITEM_EXPANDING  }
 {
     { wxEVT_COMMAND_TREE_ITEM_COLLAPSED, wxEVT_COMMAND_TREE_ITEM_COLLAPSING },
     { wxEVT_COMMAND_TREE_ITEM_EXPANDED,  wxEVT_COMMAND_TREE_ITEM_EXPANDING  }


@@ -501,8 +506,15 @@ void wxTreeCtrl::Init()
     m_textCtrl = NULL;
     m_hasAnyAttr = FALSE;
     m_dragImage = NULL;
     m_textCtrl = NULL;
     m_hasAnyAttr = FALSE;
     m_dragImage = NULL;

-

     m_htSelStart = 0;
     m_htSelStart = 0;

+
+    // Initialize static array of events, because with the new event system,
+    // they may not be initialized yet.
+
+    g_events[0][0] = wxEVT_COMMAND_TREE_ITEM_COLLAPSED;
+    g_events[0][1] = wxEVT_COMMAND_TREE_ITEM_COLLAPSING;
+    g_events[1][0] = wxEVT_COMMAND_TREE_ITEM_EXPANDED;
+    g_events[1][1] = wxEVT_COMMAND_TREE_ITEM_EXPANDING;

 }
 
 bool wxTreeCtrl::Create(wxWindow *parent,
 }
 
 bool wxTreeCtrl::Create(wxWindow *parent,


@@ -519,7 +531,10 @@ 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_SHOWSELALWAYS /* | WS_CLIPSIBLINGS */;
+                   TVS_SHOWSELALWAYS;
+
+    if ( m_windowStyle & wxCLIP_SIBLINGS )
+        wstyle |= WS_CLIPSIBLINGS;

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


@@ -642,7 +657,7 @@ wxTreeCtrl::~wxTreeCtrl()
 
     // delete user data to prevent memory leaks
     DeleteAllItems();
 
     // delete user data to prevent memory leaks
     DeleteAllItems();

-    
+

     if (m_ownsImageListNormal) delete m_imageListNormal;
     if (m_ownsImageListState) delete m_imageListState;
 }
     if (m_ownsImageListNormal) delete m_imageListNormal;
     if (m_ownsImageListState) delete m_imageListState;
 }


@@ -951,6 +966,12 @@ wxTreeItemData *wxTreeCtrl::GetItemData(const wxTreeItemId& item) const
 
 void wxTreeCtrl::SetItemData(const wxTreeItemId& item, wxTreeItemData *data)
 {
 
 void wxTreeCtrl::SetItemData(const wxTreeItemId& item, wxTreeItemData *data)
 {

+    // first, associate this piece of data with this item
+    if ( data )
+    {
+        data->SetId(item);
+    }
+

     wxTreeViewItem tvItem(item, TVIF_PARAM);
 
     if ( HasIndirectData(item) )
     wxTreeViewItem tvItem(item, TVIF_PARAM);
 
     if ( HasIndirectData(item) )


@@ -1025,6 +1046,7 @@ void wxTreeCtrl::SetItemTextColour(const wxTreeItemId& item,
     }
 
     attr->SetTextColour(col);
     }
 
     attr->SetTextColour(col);

+    Refresh();

 }
 
 void wxTreeCtrl::SetItemBackgroundColour(const wxTreeItemId& item,
 }
 
 void wxTreeCtrl::SetItemBackgroundColour(const wxTreeItemId& item,


@@ -1041,6 +1063,7 @@ void wxTreeCtrl::SetItemBackgroundColour(const wxTreeItemId& item,
     }
 
     attr->SetBackgroundColour(col);
     }
 
     attr->SetBackgroundColour(col);

+    Refresh();

 }
 
 void wxTreeCtrl::SetItemFont(const wxTreeItemId& item, const wxFont& font)
 }
 
 void wxTreeCtrl::SetItemFont(const wxTreeItemId& item, const wxFont& font)


@@ -1056,6 +1079,7 @@ void wxTreeCtrl::SetItemFont(const wxTreeItemId& item, const wxFont& font)
     }
 
     attr->SetFont(font);
     }
 
     attr->SetFont(font);

+    Refresh();

 }
 
 // ----------------------------------------------------------------------------
 }
 
 // ----------------------------------------------------------------------------


@@ -1590,6 +1614,14 @@ void wxTreeCtrl::DeleteTextCtrl()
 {
     if ( m_textCtrl )
     {
 {
     if ( m_textCtrl )
     {

+        // the HWND corresponding to this control is deleted by the tree
+        // control itself and we don't know when exactly this happens, so check
+        // if the window still exists before calling UnsubclassWin()
+        if ( !::IsWindow(GetHwndOf(m_textCtrl)) )
+        {
+            m_textCtrl->SetHWND(0);
+        }
+

         m_textCtrl->UnsubclassWin();
         m_textCtrl->SetHWND(0);
         delete m_textCtrl;
         m_textCtrl->UnsubclassWin();
         m_textCtrl->SetHWND(0);
         delete m_textCtrl;


@@ -1614,6 +1646,7 @@ wxTextCtrl* wxTreeCtrl::EditLabel(const wxTreeItemId& item,
     }
 
     m_textCtrl = (wxTextCtrl *)textControlClass->CreateObject();
     }
 
     m_textCtrl = (wxTextCtrl *)textControlClass->CreateObject();

+    m_textCtrl->SetParent(this);

     m_textCtrl->SetHWND((WXHWND)hWnd);
     m_textCtrl->SubclassWin((WXHWND)hWnd);
 
     m_textCtrl->SetHWND((WXHWND)hWnd);
     m_textCtrl->SubclassWin((WXHWND)hWnd);
 


@@ -1621,7 +1654,7 @@ wxTextCtrl* wxTreeCtrl::EditLabel(const wxTreeItemId& item,
 }
 
 // End label editing, optionally cancelling the edit
 }
 
 // End label editing, optionally cancelling the edit

-void wxTreeCtrl::EndEditLabel(const wxTreeItemId& item, bool discardChanges)
+void wxTreeCtrl::EndEditLabel(const wxTreeItemId& WXUNUSED(item), bool discardChanges)

 {
     TreeView_EndEditLabelNow(GetHwnd(), discardChanges);
 
 {
     TreeView_EndEditLabelNow(GetHwnd(), discardChanges);
 


@@ -2108,19 +2141,19 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
             }
             break;
 
             }
             break;
 

-#if defined(_WIN32_IE) && _WIN32_IE >= 0x300 && !wxUSE_COMCTL32_SAFELY
+#if defined(_WIN32_IE) && _WIN32_IE >= 0x300 && !wxUSE_COMCTL32_SAFELY && !defined(__GNUWIN32__)

         case NM_CUSTOMDRAW:
             {
                 LPNMTVCUSTOMDRAW lptvcd = (LPNMTVCUSTOMDRAW)lParam;
                 NMCUSTOMDRAW& nmcd = lptvcd->nmcd;
         case NM_CUSTOMDRAW:
             {
                 LPNMTVCUSTOMDRAW lptvcd = (LPNMTVCUSTOMDRAW)lParam;
                 NMCUSTOMDRAW& nmcd = lptvcd->nmcd;

-                switch( nmcd.dwDrawStage )
+                switch ( nmcd.dwDrawStage )

                 {
                     case CDDS_PREPAINT:
                         // if we've got any items with non standard attributes,
                         // notify us before painting each item
                         *result = m_hasAnyAttr ? CDRF_NOTIFYITEMDRAW
                                                : CDRF_DODEFAULT;
                 {
                     case CDDS_PREPAINT:
                         // if we've got any items with non standard attributes,
                         // notify us before painting each item
                         *result = m_hasAnyAttr ? CDRF_NOTIFYITEMDRAW
                                                : CDRF_DODEFAULT;

-                        return TRUE;
+                        break;

 
                     case CDDS_ITEMPREPAINT:
                         {
 
                     case CDDS_ITEMPREPAINT:
                         {


@@ -2130,7 +2163,8 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
                             if ( !attr )
                             {
                                 // nothing to do for this item
                             if ( !attr )
                             {
                                 // nothing to do for this item

-                                return CDRF_DODEFAULT;
+                                *result = CDRF_DODEFAULT;
+                                break;

                             }
 
                             HFONT hFont;
                             }
 
                             HFONT hFont;


@@ -2193,16 +2227,16 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
                             {
                                 *result = CDRF_DODEFAULT;
                             }
                             {
                                 *result = CDRF_DODEFAULT;
                             }

-
-                            return TRUE;

                         }
                         }

+                        break;

 
                     default:
                         *result = CDRF_DODEFAULT;
 
                     default:
                         *result = CDRF_DODEFAULT;

-                        return TRUE;

                 }
             }
                 }
             }

-            break;
+
+            // we always process it
+            return TRUE;

 #endif // _WIN32_IE >= 0x300
 
         case NM_DBLCLK:
 #endif // _WIN32_IE >= 0x300
 
         case NM_DBLCLK:


@@ -2219,6 +2253,9 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
                         eventType = (int)hdr->code == NM_DBLCLK
                                     ? wxEVT_COMMAND_TREE_ITEM_ACTIVATED
                                     : wxEVT_COMMAND_TREE_ITEM_RIGHT_CLICK;
                         eventType = (int)hdr->code == NM_DBLCLK
                                     ? wxEVT_COMMAND_TREE_ITEM_ACTIVATED
                                     : wxEVT_COMMAND_TREE_ITEM_RIGHT_CLICK;

+
+                        event.m_pointDrag.x = tvhti.pt.x;
+                        event.m_pointDrag.y = tvhti.pt.y;

                     }
 
                     break;
                     }
 
                     break;


@@ -2298,8 +2335,12 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
             break;
 
         case TVN_ENDLABELEDIT:
             break;
 
         case TVN_ENDLABELEDIT:

-            // return TRUE to set the label to the new string
+            // return TRUE to set the label to the new string: note that we
+            // also must pretend that we did process the message or it is going
+            // to be passed to DefWindowProc() which will happily return FALSE
+            // cancelling the label change

             *result = event.IsAllowed();
             *result = event.IsAllowed();

+            processed = TRUE;

 
             // ensure that we don't have the text ctrl which is going to be
             // deleted any more
 
             // ensure that we don't have the text ctrl which is going to be
             // deleted any more


@@ -2315,7 +2356,7 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
         case TVN_GETDISPINFO:
             // NB: so far the user can't set the image himself anyhow, so do it
             //     anyway - but this may change later
         case TVN_GETDISPINFO:
             // NB: so far the user can't set the image himself anyhow, so do it
             //     anyway - but this may change later

-            if ( /* !processed && */ 1 )
+//          if ( /* !processed && */ 1 )

             {
                 wxTreeItemId item = event.m_item;
                 TV_DISPINFO *info = (TV_DISPINFO *)lParam;
             {
                 wxTreeItemId item = event.m_item;
                 TV_DISPINFO *info = (TV_DISPINFO *)lParam;


@@ -2339,7 +2380,7 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
                                           : wxTreeItemIcon_Selected
                         );
                 }
                                           : wxTreeItemIcon_Selected
                         );
                 }

-            }
+                       }

             break;
 
         //default:
             break;
 
         //default:


@@ -2352,3 +2393,4 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
 
 #endif // __WIN95__
 
 
 #endif // __WIN95__
 

+#endif // wxUSE_TREECTRL