Fixed tree book controller sizing by invalidating size after first

insertion, and also allowing full size calculation.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@39207 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

diff --git a/include/wx/treectrl.h b/include/wx/treectrl.h
index c161d0d098759c8c6f0fe14357aa5833c82bb7da..873d77905921d09cfdcbbb2dd2720d22f9d0bb2a 100644 (file)
--- a/include/wx/treectrl.h
+++ b/include/wx/treectrl.h
@@ -42,6 +42,9 @@ public:
 
         // arbitrary default
         m_spacing = 18;
+
+        // quick DoGetBestSize calculation
+        m_quickBestSize = true;
     }
 
     virtual ~wxTreeCtrlBase();
@@ -366,6 +369,10 @@ public:
 
     virtual bool ShouldInheritColours() const { return false; }
 
+    // hint whether to calculate best size quickly or accurately
+    void SetQuickBestSize(bool q) { m_quickBestSize = q; }
+    bool GetQuickBestSize() const { return m_quickBestSize; }
+
 protected:
     virtual wxSize DoGetBestSize() const;
 
@@ -402,6 +409,9 @@ protected:
     // spacing between left border and the text
     unsigned int m_spacing;
 
+    // whether full or quick calculation is done in DoGetBestSize
+    bool        m_quickBestSize;
+
 
     DECLARE_NO_COPY_CLASS(wxTreeCtrlBase)
 };

diff --git a/src/common/treebase.cpp b/src/common/treebase.cpp
index a365ffc8b6099a3867d4c0744c87f2e34260fb2d..e38866e7d14bd7714221b68416950ee11e7e2889 100644 (file)
--- a/src/common/treebase.cpp
+++ b/src/common/treebase.cpp
@@ -92,6 +92,27 @@ wxTreeCtrlBase::~wxTreeCtrlBase()
         delete m_imageListState;
 }
 
+static void wxGetBestTreeSize(const wxTreeCtrlBase* treeCtrl, const wxTreeItemId& id, wxSize& size)
+{
+    wxRect rect;
+    
+    if ( treeCtrl->GetBoundingRect(id, rect, true) )
+    {
+        if ( size.x < rect.x + rect.width )
+            size.x = rect.x + rect.width;
+        if ( size.y < rect.y + rect.height )
+            size.y = rect.y + rect.height;
+    }
+
+    wxTreeItemIdValue cookie;
+    for ( wxTreeItemId item = treeCtrl->GetFirstChild(id, cookie);
+          item.IsOk();
+          item = treeCtrl->GetNextChild(item, cookie) )
+    {
+        wxGetBestTreeSize(treeCtrl, item, size);
+    }
+}
+
 wxSize wxTreeCtrlBase::DoGetBestSize() const
 {
     wxSize size;
@@ -99,23 +120,29 @@ wxSize wxTreeCtrlBase::DoGetBestSize() const
     // this doesn't really compute the total bounding rectangle of all items
     // but a not too bad guess of it which has the advantage of not having to
     // examine all (potentially hundreds or thousands) items in the control
-    for ( wxTreeItemId item = GetRootItem();
-          item.IsOk();
-          item = GetLastChild(item) )
+    
+    if (GetQuickBestSize())
     {
-        wxRect rect;
-
-        // last parameter is "true" to get only the dimensions of the text
-        // label, we don't want to get the entire item width as it's determined
-        // by the current size
-        if ( GetBoundingRect(item, rect, true) )
+        for ( wxTreeItemId item = GetRootItem();
+              item.IsOk();
+              item = GetLastChild(item) )
         {
-            if ( size.x < rect.x + rect.width )
-                size.x = rect.x + rect.width;
-            if ( size.y < rect.y + rect.height )
-                size.y = rect.y + rect.height;
+            wxRect rect;
+
+            // last parameter is "true" to get only the dimensions of the text
+            // label, we don't want to get the entire item width as it's determined
+            // by the current size
+            if ( GetBoundingRect(item, rect, true) )
+            {
+                if ( size.x < rect.x + rect.width )
+                    size.x = rect.x + rect.width;
+                if ( size.y < rect.y + rect.height )
+                    size.y = rect.y + rect.height;
+            }
         }
     }
+    else
+        wxGetBestTreeSize(this, GetRootItem(), size);
 
     // need some minimal size even for empty tree
     if ( !size.x || !size.y )

diff --git a/src/generic/treebkg.cpp b/src/generic/treebkg.cpp
index 3ca29465552fae5534e81e6f9caa7b14e4ba8afb..165422a7059960e05a405c5f54326c0032066618 100644 (file)
--- a/src/generic/treebkg.cpp
+++ b/src/generic/treebkg.cpp
@@ -105,6 +105,7 @@ wxTreebook::Create(wxWindow *parent,
                     wxTR_HIDE_ROOT |
                     wxTR_SINGLE
                  );
+    GetTreeCtrl()->SetQuickBestSize(false); // do full size calculation
     GetTreeCtrl()->AddRoot(wxEmptyString); // label doesn't matter, it's hidden
 
 #ifdef __WXMSW__
@@ -244,6 +245,8 @@ bool wxTreebook::DoInsertSubPage(size_t pagePos,
 
     wxTreeItemId newId = tree->AppendItem(parentId, text, imageId);
 
+    tree->InvalidateBestSize();
+
     if ( !newId.IsOk() )
     {
         (void)wxBookCtrlBase::DoRemovePage(newPos);