Remove redundant conditionals

demos/poem/wxpoem.cpp

@@ -161,10 +161,7 @@ void MainWindow::ScanBuffer(wxDC *dc, bool DrawIt, int *max_x, int *max_y)
         y = (*max_y - poem_height)/2;
         width = *max_x;
         height = *max_y;
-    }
 
-    if (DrawIt)
-    {
         dc->SetBrush(*wxLIGHT_GREY_BRUSH);
         dc->SetPen(*wxGREY_PEN);
         dc->DrawRectangle(0, 0, width, height);

src/gtk/dataview.cpp

@@ -4099,15 +4099,6 @@ gboolean wxDataViewCtrlInternal::iter_children( GtkTreeIter *iter, GtkTreeIter *
     }
     else
     {
-        if (iter == NULL)
-        {
-            if (m_root->GetChildCount() == 0) return FALSE;
-            iter->stamp = m_gtk_model->stamp;
-            iter->user_data = (gpointer) m_root->GetChildren().Item( 0 );
-            return TRUE;
-        }
-
-
         wxDataViewItem item;
         if (parent)
             item = wxDataViewItem( (void*) parent->user_data );

src/propgrid/editors.cpp

@@ -781,7 +781,7 @@ void wxPropertyGrid::OnComboItemPaint( const wxPGComboBox* pCb,
 
     const wxBitmap* itemBitmap = NULL;
 
-    if ( item >= 0 && choices.IsOk() && choices.Item(item).GetBitmap().IsOk() && comValIndex == -1 )
+    if ( choices.IsOk() && choices.Item(item).GetBitmap().IsOk() && comValIndex == -1 )
         itemBitmap = &choices.Item(item).GetBitmap();
 
     //
@@ -853,7 +853,7 @@ void wxPropertyGrid::OnComboItemPaint( const wxPGComboBox* pCb,
         // image will not appear on the control row (it may be too
         // large to fit, for instance). Also do not draw custom image
         // if no choice was selected.
-        if ( !p->HasFlag(wxPG_PROP_CUSTOMIMAGE) || item < 0 )
+        if ( !p->HasFlag(wxPG_PROP_CUSTOMIMAGE) )
             useCustomPaintProcedure = false;
     }
     else
@@ -897,13 +897,9 @@ void wxPropertyGrid::OnComboItemPaint( const wxPGComboBox* pCb,
             renderer->Render( dc, r, this, p, m_selColumn, comValIndex, renderFlags );
             return;
         }
-        else if ( item >= 0 )
-        {
-            p->OnCustomPaint( dc, r, paintdata );
-        }
         else
         {
-            dc.DrawRectangle( r );
+            p->OnCustomPaint( dc, r, paintdata );
         }
 
         pt.x += paintdata.m_drawnWidth + wxCC_CUSTOM_IMAGE_MARGIN2 - 1;
@@ -915,10 +911,7 @@ void wxPropertyGrid::OnComboItemPaint( const wxPGComboBox* pCb,
         //       sure if it is needed, but seems to not cause any harm.
         pt.x -= 1;
 
-        if ( item < 0 && (flags & wxODCB_PAINTING_CONTROL) )
-            item = pCb->GetSelection();
-
-        if ( choices.IsOk() && item >= 0 && comValIndex < 0 )
+        if ( choices.IsOk() && comValIndex < 0 )
         {
             // This aligns bitmap horizontally so that it is
             // on the same position as bitmap drawn for static content

src/richtext/richtextctrl.cpp

@@ -2737,7 +2737,7 @@ long wxRichTextCtrl::FindNextWordPosition(int direction) const
 
             if (text.empty()) // End of paragraph, or maybe an image
                 return wxMax(-1, i - 1);
-            else if (wxRichTextCtrlIsWhitespace(text) || text.empty())
+            else if (wxRichTextCtrlIsWhitespace(text))
                 i += direction;
             else
             {
@@ -5407,10 +5407,7 @@ void wxRichTextCaret::DoSize()
     {
         m_countVisible = 0;
         DoHide();
-    }
 
-    if (countVisible > 0)
-    {
         m_countVisible = countVisible;
         DoShow();
     }