Remove the hack with changing the parent background colour in wxInfoBar.

Finding the closest info bar to copy the background colour from only worked
for very simple layouts and failed for more complicated ones with nested
sizers so don't try to change the colour automatically, it's easy enough to do
it manually as shown in the updated dialogs sample.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@62301 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

diff --git a/include/wx/generic/infobar.h b/include/wx/generic/infobar.h
index aef0e8c9fb22d7468fc86a5917a245e79c000aa3..16cf5d4ab08657b752733fd3e06832dae4bc4ebd 100644 (file)
--- a/include/wx/generic/infobar.h
+++ b/include/wx/generic/infobar.h
@@ -97,12 +97,6 @@ private:
     // handler for the close button
     void OnButton(wxCommandEvent& event);
 
-    // change the parent background colour to match that of our sibling
-    void ChangeParentBackground();
-
-    // restore the parent background changed by the above function
-    void RestoreParentBackground();
-
     // show/hide the bar
     void DoShow();
     void DoHide();
@@ -118,9 +112,6 @@ private:
                  m_hideEffect;
     int m_effectDuration;
 
-    // the original parent background colour, before we changed it
-    wxColour m_origParentBgCol;
-
     DECLARE_EVENT_TABLE()
     wxDECLARE_NO_COPY_CLASS(wxInfoBarGeneric);
 };

diff --git a/samples/dialogs/dialogs.cpp b/samples/dialogs/dialogs.cpp
index 0319bb454172be7fc0d1ea671569860b8252c12f..72a1b58ccc63545e13dbd42caa177e7228933616 100644 (file)
--- a/samples/dialogs/dialogs.cpp
+++ b/samples/dialogs/dialogs.cpp
@@ -561,6 +561,12 @@ MyFrame::MyFrame(const wxString& title)
     sizer->Add(m_canvas, wxSizerFlags(1).Expand());
     sizer->Add(m_infoBarAdvanced, wxSizerFlags().Expand());
     SetSizer(sizer);
+
+    // final touch: under MSW the info bars are shown progressively and parts
+    // of the parent window can be seen during the process, so use the same
+    // background colour for our background as for the canvas window which
+    // covers our entire client area to avoid jarring colour jumps
+    SetOwnBackgroundColour(m_canvas->GetBackgroundColour());
 #endif // wxUSE_INFOBAR
 }
 

diff --git a/src/generic/infobar.cpp b/src/generic/infobar.cpp
index f0af9c9b8b20d9cbd89e6c39b50f5d78a689ec3b..a85ead0f40cbf488098b743a3c1f1e105de78137 100644 (file)
--- a/src/generic/infobar.cpp
+++ b/src/generic/infobar.cpp
@@ -170,55 +170,10 @@ void wxInfoBarGeneric::UpdateParent()
     parent->Layout();
 }
 
-void wxInfoBarGeneric::ChangeParentBackground()
-{
-    wxWindow * const parent = GetParent();
-    m_origParentBgCol = parent->GetBackgroundColour();
-
-    wxSizer * const sizer = GetContainingSizer();
-    if ( !sizer )
-        return;
-
-    wxWindow *sibling = NULL;
-    for ( wxSizerItemList::compatibility_iterator
-            node = sizer->GetChildren().GetFirst();
-            node;
-            node = node->GetNext() )
-    {
-        if ( node->GetData()->GetWindow() == this )
-        {
-            // find the next window following us
-            for ( node = node->GetNext();
-                  node;
-                  node = node->GetNext() )
-            {
-                wxSizerItem * const item = node->GetData();
-                if ( item->IsWindow() )
-                {
-                    sibling = item->GetWindow();
-                    break;
-                }
-            }
-
-            break;
-        }
-    }
-
-    if ( sibling )
-        parent->SetOwnBackgroundColour(sibling->GetBackgroundColour());
-}
-
-void wxInfoBarGeneric::RestoreParentBackground()
-{
-    GetParent()->SetOwnBackgroundColour(m_origParentBgCol);
-}
-
 void wxInfoBarGeneric::DoHide()
 {
-    ChangeParentBackground();
-    wxON_BLOCK_EXIT_THIS0( wxInfoBarGeneric::RestoreParentBackground );
-
     HideWithEffect(m_hideEffect, m_effectDuration);
+
     UpdateParent();
 }
 
@@ -234,12 +189,6 @@ void wxInfoBarGeneric::DoShow()
     // without really showing it
     wxWindowBase::Show();
 
-    // an extra hack: we want the temporarily uncovered area in which we're
-    // going to expand to look like part of this sibling for a better effect so
-    // temporarily change the background of our parent to the same colour
-    ChangeParentBackground();
-    wxON_BLOCK_EXIT_THIS0( wxInfoBarGeneric::RestoreParentBackground );
-
     // adjust the parent layout to account for us
     UpdateParent();