X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/a680f9a170175cfc8d0dbd6b8bf5299033cdb802..ce22ac4592fccaedd8324e7a8f08b510748827e4:/src/msw/treectrl.cpp

diff --git a/src/msw/treectrl.cpp b/src/msw/treectrl.cpp
index 4aa5c5ec8f..c6bd87b086 100644
--- a/src/msw/treectrl.cpp
+++ b/src/msw/treectrl.cpp
@@ -29,6 +29,8 @@
 #include "wx/treectrl.h"
 
 #ifndef WX_PRECOMP
+    #include "wx/msw/wrapcctl.h" // include <commctrl.h> "properly"
+    #include "wx/msw/missing.h"
     #include "wx/dynarray.h"
     #include "wx/log.h"
     #include "wx/app.h"
@@ -37,11 +39,6 @@
 
 #include "wx/msw/private.h"
 
-// include <commctrl.h> "properly"
-#include "wx/msw/wrapcctl.h"
-
-#include "wx/msw/missing.h"
-
 // Set this to 1 to be _absolutely_ sure that repainting will work for all
 // comctl32.dll versions
 #define wxUSE_COMCTL32_SAFELY 0
@@ -293,9 +290,9 @@ class wxTreeItemParam
 {
 public:
     wxTreeItemParam()
-        : m_item((long int)0),
-          m_data(NULL)
     {
+        m_data = NULL;
+
         for ( size_t n = 0; n < WXSIZEOF(m_images); n++ )
         {
             m_images[n] = -1;
@@ -451,16 +448,18 @@ public:
 
     virtual bool OnVisit(const wxTreeItemId& item)
     {
+        const wxTreeCtrl * const tree = GetTree();
+
         // can't visit a virtual node.
-        if ( (GetTree()->GetRootItem() == item) && (GetTree()->GetWindowStyle() & wxTR_HIDE_ROOT))
+        if ( (tree->GetRootItem() == item) && tree->HasFlag(wxTR_HIDE_ROOT) )
         {
             return true;
         }
 
 #if wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE
-        if ( GetTree()->IsItemChecked(item) )
+        if ( tree->IsItemChecked(item) )
 #else
-        if ( ::IsItemSelected(GetHwndOf(GetTree()), HITEM(item)) )
+        if ( ::IsItemSelected(GetHwndOf(tree), HITEM(item)) )
 #endif
         {
             m_selections.Add(item);
@@ -933,6 +932,11 @@ bool wxTreeCtrl::SetForegroundColour(const wxColour &colour)
 // Item access
 // ----------------------------------------------------------------------------
 
+bool wxTreeCtrl::IsHiddenRoot(const wxTreeItemId& item) const
+{
+    return HITEM(item) == TVI_ROOT && HasFlag(wxTR_HIDE_ROOT);
+}
+
 wxString wxTreeCtrl::GetItemText(const wxTreeItemId& item) const
 {
     wxCHECK_MSG( item.IsOk(), wxEmptyString, wxT("invalid tree item") );
@@ -982,7 +986,7 @@ int wxTreeCtrl::GetItemImage(const wxTreeItemId& item,
 {
     wxCHECK_MSG( item.IsOk(), -1, wxT("invalid tree item") );
 
-    if ( (HITEM(item) == TVI_ROOT) && (m_windowStyle & wxTR_HIDE_ROOT) )
+    if ( IsHiddenRoot(item) )
     {
         // no images for hidden root item
         return -1;
@@ -1002,7 +1006,7 @@ void wxTreeCtrl::SetItemImage(const wxTreeItemId& item, int image,
                  wxT("invalid image index"));
 
 
-    if ( (HITEM(item) == TVI_ROOT) && (m_windowStyle & wxTR_HIDE_ROOT) )
+    if ( IsHiddenRoot(item) )
     {
         // no images for hidden root item
         return;
@@ -1564,7 +1568,7 @@ wxTreeItemId wxTreeCtrl::AddRoot(const wxString& text,
                                  wxTreeItemData *data)
 {
 
-    if ( m_windowStyle & wxTR_HIDE_ROOT )
+    if ( HasFlag(wxTR_HIDE_ROOT) )
     {
         // create a virtual root item, the parent for all the others
         wxTreeItemParam *param = new wxTreeItemParam;
@@ -1669,7 +1673,7 @@ void wxTreeCtrl::DoExpand(const wxTreeItemId& item, int flag)
                   wxT("Unknown flag in wxTreeCtrl::DoExpand") );
 
     // A hidden root can be neither expanded nor collapsed.
-    wxCHECK_RET( !(m_windowStyle & wxTR_HIDE_ROOT) || (HITEM(item) != TVI_ROOT),
+    wxCHECK_RET( !IsHiddenRoot(item),
                  wxT("Can't expand/collapse hidden root node!") );
 
     // TreeView_Expand doesn't send TVN_ITEMEXPAND(ING) messages, so we must
@@ -1798,6 +1802,8 @@ void wxTreeCtrl::SelectItem(const wxTreeItemId& item, bool select)
 
 void wxTreeCtrl::EnsureVisible(const wxTreeItemId& item)
 {
+    wxCHECK_RET( !IsHiddenRoot(item), _T("can't show hidden root item") );
+
     // no error return
     TreeView_EnsureVisible(GetHwnd(), HITEM(item));
 }
@@ -2050,7 +2056,7 @@ WXLRESULT wxTreeCtrl::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lPara
         GetBoundingRect(event.m_item, ItemRect, false);
         // If the point is inside the bounding rectangle, use it as the click position.
         // This should be the case for WM_CONTEXTMENU as the result of a right-click
-        if (ItemRect.Inside(MenuPoint))
+        if (ItemRect.Contains(MenuPoint))
         {
             event.m_pointDrag = MenuPoint;
         }