]> git.saurik.com Git - wxWidgets.git/blobdiff - src/msw/treectrl.cpp
implemented ScrollLines/Pages; fixed bug in Thaw()
[wxWidgets.git] / src / msw / treectrl.cpp
index 0d54480eb5cdd21ba301c9f997eb30ebf90ff026..5d48e4c93815db5107e3f9da8a64baeba25f5aad 100644 (file)
@@ -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
@@ -16,6 +16,7 @@
 // ----------------------------------------------------------------------------
 // headers
 // ----------------------------------------------------------------------------
+
 #ifdef __GNUG__
     #pragma implementation "treectrl.h"
 #endif
     #pragma hdrstop
 #endif
 
+#if wxUSE_TREECTRL
+
 #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
 #include "wx/log.h"
 #include "wx/dynarray.h"
 #include "wx/imaglist.h"
-#include "wx/treectrl.h"
 #include "wx/settings.h"
-
+#include "wx/msw/treectrl.h"
 #include "wx/msw/dragimag.h"
 
 #ifdef __GNUWIN32_OLD__
     #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
 
@@ -89,6 +92,7 @@
 // looks quite ugly.
 #define wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE 0
 
+
 // ----------------------------------------------------------------------------
 // private functions
 // ----------------------------------------------------------------------------
@@ -369,7 +373,7 @@ public:
             DoTraverse(root, recursively);
         }
 
-    virtual bool OnVisit(const wxTreeItemId& item)
+    virtual bool OnVisit(const wxTreeItemId& WXUNUSED(item))
     {
         m_count++;
 
@@ -449,7 +453,7 @@ IMPLEMENT_DYNAMIC_CLASS(wxTreeCtrl, wxControl)
 // ----------------------------------------------------------------------------
 
 // 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  }
@@ -498,11 +502,19 @@ void wxTreeCtrl::Init()
 {
     m_imageListNormal = NULL;
     m_imageListState = NULL;
+    m_ownsImageListNormal = m_ownsImageListState = FALSE;
     m_textCtrl = NULL;
     m_hasAnyAttr = FALSE;
     m_dragImage = NULL;
-
     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,
@@ -519,7 +531,10 @@ bool wxTreeCtrl::Create(wxWindow *parent,
         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;
@@ -642,6 +657,9 @@ wxTreeCtrl::~wxTreeCtrl()
 
     // delete user data to prevent memory leaks
     DeleteAllItems();
+
+    if (m_ownsImageListNormal) delete m_imageListNormal;
+    if (m_ownsImageListState) delete m_imageListState;
 }
 
 // ----------------------------------------------------------------------------
@@ -705,12 +723,28 @@ void wxTreeCtrl::SetAnyImageList(wxImageList *imageList, int which)
 
 void wxTreeCtrl::SetImageList(wxImageList *imageList)
 {
+    if (m_ownsImageListNormal) delete m_imageListNormal;
     SetAnyImageList(m_imageListNormal = imageList, TVSIL_NORMAL);
+    m_ownsImageListNormal = FALSE;
 }
 
 void wxTreeCtrl::SetStateImageList(wxImageList *imageList)
 {
+    if (m_ownsImageListState) delete m_imageListState;
     SetAnyImageList(m_imageListState = imageList, TVSIL_STATE);
+    m_ownsImageListState = FALSE;
+}
+
+void wxTreeCtrl::AssignImageList(wxImageList *imageList)
+{
+    SetImageList(imageList);
+    m_ownsImageListNormal = TRUE;
+}
+
+void wxTreeCtrl::AssignStateImageList(wxImageList *imageList)
+{
+    SetStateImageList(imageList);
+    m_ownsImageListState = TRUE;
 }
 
 size_t wxTreeCtrl::GetChildrenCount(const wxTreeItemId& item,
@@ -932,6 +966,12 @@ wxTreeItemData *wxTreeCtrl::GetItemData(const wxTreeItemId& item) const
 
 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) )
@@ -1006,6 +1046,7 @@ void wxTreeCtrl::SetItemTextColour(const wxTreeItemId& item,
     }
 
     attr->SetTextColour(col);
+    Refresh();
 }
 
 void wxTreeCtrl::SetItemBackgroundColour(const wxTreeItemId& item,
@@ -1022,6 +1063,7 @@ void wxTreeCtrl::SetItemBackgroundColour(const wxTreeItemId& item,
     }
 
     attr->SetBackgroundColour(col);
+    Refresh();
 }
 
 void wxTreeCtrl::SetItemFont(const wxTreeItemId& item, const wxFont& font)
@@ -1037,6 +1079,7 @@ void wxTreeCtrl::SetItemFont(const wxTreeItemId& item, const wxFont& font)
     }
 
     attr->SetFont(font);
+    Refresh();
 }
 
 // ----------------------------------------------------------------------------
@@ -1103,7 +1146,7 @@ wxTreeItemId wxTreeCtrl::GetRootItem() 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()));
@@ -1302,7 +1345,7 @@ wxTreeItemId wxTreeCtrl::AddRoot(const wxString& text,
                                  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);
 }
 
@@ -1467,7 +1510,7 @@ void wxTreeCtrl::Unselect()
                   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()
@@ -1571,6 +1614,14 @@ void wxTreeCtrl::DeleteTextCtrl()
 {
     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;
@@ -1595,6 +1646,7 @@ wxTextCtrl* wxTreeCtrl::EditLabel(const wxTreeItemId& item,
     }
 
     m_textCtrl = (wxTextCtrl *)textControlClass->CreateObject();
+    m_textCtrl->SetParent(this);
     m_textCtrl->SetHWND((WXHWND)hWnd);
     m_textCtrl->SubclassWin((WXHWND)hWnd);
 
@@ -1602,7 +1654,7 @@ wxTextCtrl* wxTreeCtrl::EditLabel(const wxTreeItemId& item,
 }
 
 // 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);
 
@@ -2089,19 +2141,19 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
             }
             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;
-                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;
-                        return TRUE;
+                        break;
 
                     case CDDS_ITEMPREPAINT:
                         {
@@ -2111,7 +2163,8 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
                             if ( !attr )
                             {
                                 // nothing to do for this item
-                                return CDRF_DODEFAULT;
+                                *result = CDRF_DODEFAULT;
+                                break;
                             }
 
                             HFONT hFont;
@@ -2174,16 +2227,16 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
                             {
                                 *result = CDRF_DODEFAULT;
                             }
-
-                            return TRUE;
                         }
+                        break;
 
                     default:
                         *result = CDRF_DODEFAULT;
-                        return TRUE;
                 }
             }
-            break;
+
+            // we always process it
+            return TRUE;
 #endif // _WIN32_IE >= 0x300
 
         case NM_DBLCLK:
@@ -2200,6 +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;
+
+                        event.m_pointDrag.x = tvhti.pt.x;
+                        event.m_pointDrag.y = tvhti.pt.y;
                     }
 
                     break;
@@ -2257,6 +2313,11 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
                     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
                 {
@@ -2274,8 +2335,12 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
             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();
+            processed = TRUE;
 
             // ensure that we don't have the text ctrl which is going to be
             // deleted any more
@@ -2291,7 +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
-            if ( /* !processed && */ 1 )
+//          if ( /* !processed && */ 1 )
             {
                 wxTreeItemId item = event.m_item;
                 TV_DISPINFO *info = (TV_DISPINFO *)lParam;
@@ -2315,7 +2380,7 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
                                           : wxTreeItemIcon_Selected
                         );
                 }
-            }
+                       }
             break;
 
         //default:
@@ -2326,18 +2391,6 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
     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 // wxUSE_TREECTRL