From 7924b3b48d738c59ae2266456a56ed070ee1560a Mon Sep 17 00:00:00 2001
From: Robin Dunn <robin@alldunn.com>
Date: Fri, 31 May 2019 21:21:06 -0700
Subject: [PATCH] A few fixes from Jorge Moraleda

---
 demo/PDFViewer.py          | 5 ++---
 wx/lib/agw/buttonpanel.py  | 2 +-
 wx/lib/pdfviewer/viewer.py | 1 +
 3 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/demo/PDFViewer.py b/demo/PDFViewer.py
index e77d1aaf..633a7b20 100644
--- a/demo/PDFViewer.py
+++ b/demo/PDFViewer.py
@@ -17,15 +17,14 @@ class TestPanel(wx.Panel):
         vsizer = wx.BoxSizer( wx.VERTICAL )
         self.buttonpanel = pdfButtonPanel(self, wx.ID_ANY,
                                 wx.DefaultPosition, wx.DefaultSize, 0)
-        vsizer.Add(self.buttonpanel, 0,
-                                wx.GROW|wx.ALIGN_CENTER_VERTICAL|wx.LEFT|wx.RIGHT|wx.TOP, 5)
+        vsizer.Add(self.buttonpanel, 0, wx.GROW|wx.LEFT|wx.RIGHT|wx.TOP, 5)
         self.viewer = pdfViewer( self, wx.ID_ANY, wx.DefaultPosition,
                                 wx.DefaultSize, wx.HSCROLL|wx.VSCROLL|wx.SUNKEN_BORDER)
         vsizer.Add(self.viewer, 1, wx.GROW|wx.LEFT|wx.RIGHT|wx.BOTTOM, 5)
         loadbutton = wx.Button(self, wx.ID_ANY, "Load PDF file",
                                 wx.DefaultPosition, wx.DefaultSize, 0 )
         vsizer.Add(loadbutton, 0, wx.ALIGN_CENTER|wx.ALL, 5)
-        hsizer.Add(vsizer, 1, wx.GROW|wx.ALIGN_CENTER_HORIZONTAL|wx.ALL, 5)
+        hsizer.Add(vsizer, 1, wx.GROW|wx.ALL, 5)
         self.SetSizer(hsizer)
         self.SetAutoLayout(True)
 
diff --git a/wx/lib/agw/buttonpanel.py b/wx/lib/agw/buttonpanel.py
index 7017c8ff..4f45e9d0 100644
--- a/wx/lib/agw/buttonpanel.py
+++ b/wx/lib/agw/buttonpanel.py
@@ -1931,7 +1931,7 @@ class ButtonPanel(wx.Panel):
         """
 
         lenChildren = len(self._mainsizer.GetChildren())
-        self._mainsizer.Insert(lenChildren-1, btnInfo, 0, wx.ALIGN_CENTER|wx.EXPAND, userData=btnInfo)
+        self._mainsizer.Insert(lenChildren-1, btnInfo, 0, wx.ALIGN_CENTER, userData=btnInfo)
 
         self._vButtons.append(btnInfo)
 
diff --git a/wx/lib/pdfviewer/viewer.py b/wx/lib/pdfviewer/viewer.py
index 7a1e112e..7b75724b 100644
--- a/wx/lib/pdfviewer/viewer.py
+++ b/wx/lib/pdfviewer/viewer.py
@@ -145,6 +145,7 @@ class pdfViewer(wx.ScrolledWindow):
         Redraw on resize.
         """
         if self.resizing:
+            self.page_buffer_valid = False
             self.Render()
             self.resizing = False
         event.Skip()