Patch from Ricardo Pedroso that fixes a segfault when the

[wxWidgets.git] / src / generic / choicdgg.cpp

diff --git a/src/generic/choicdgg.cpp b/src/generic/choicdgg.cpp
index 2d839af29503ddc75a83172d39c934a1c9cd6b23..81ad3ae1f0d0775717ef8270af3beb14b7a82191 100644 (file)
--- a/src/generic/choicdgg.cpp
+++ b/src/generic/choicdgg.cpp
@@ -54,6 +54,20 @@
 
 #define wxID_LISTBOX 3000
 
+// ---------------------------------------------------------------------------
+// macros
+// ---------------------------------------------------------------------------
+
+/* Macro for avoiding #ifdefs when value have to be different depending on size of
+   device we display on - take it from something like wxDesktopPolicy in the future
+ */
+
+#if defined(__SMARTPHONE__)
+    #define wxLARGESMALL(large,small) small
+#else
+    #define wxLARGESMALL(large,small) large
+#endif
+
 // ----------------------------------------------------------------------------
 // private functions
 // ----------------------------------------------------------------------------
@@ -204,8 +218,9 @@ size_t wxGetMultipleChoices(wxArrayInt& selections,
 {
     wxMultiChoiceDialog dialog(parent, message, caption, n, choices);
 
-    if ( !selections.IsEmpty() )
-        dialog.SetSelections(selections);
+    // call this even if selections array is empty and this then (correctly)
+    // deselects the first item which is selected by default
+    dialog.SetSelections(selections);
 
     if ( dialog.ShowModal() == wxID_OK )
         selections = dialog.GetSelections();
@@ -246,6 +261,12 @@ bool wxAnyChoiceDialog::Create(wxWindow *parent,
                                const wxPoint& pos,
                                long styleLbox)
 {
+#if defined(__SMARTPHONE__) || defined(__POCKETPC__)
+    styleDlg &= ~wxBORDER_MASK;
+    styleDlg &= ~wxRESIZE_BORDER;
+    styleDlg &= ~wxCAPTION;
+#endif
+
     if ( !wxDialog::Create(parent, wxID_ANY, caption, pos, wxDefaultSize, styleDlg) )
         return false;
 
@@ -262,8 +283,9 @@ bool wxAnyChoiceDialog::Create(wxWindow *parent,
     if ( n > 0 )
         m_listbox->SetSelection(0);
 
-    topsizer->Add( m_listbox, 1, wxEXPAND | wxLEFT|wxRIGHT, wxLARGESMALL(15,0) );
+    topsizer->Add( m_listbox, 1, wxEXPAND|wxLEFT|wxRIGHT, wxLARGESMALL(15,0) );
 
+    // smart phones does not support or do not waste space for wxButtons
 #ifdef __SMARTPHONE__
 
     SetRightMenu(wxID_CANCEL, _("Cancel"));
@@ -276,17 +298,19 @@ bool wxAnyChoiceDialog::Create(wxWindow *parent,
 #endif
 
     // 4) buttons
-    topsizer->Add( CreateButtonSizer( styleDlg & (wxOK|wxCANCEL) ), 0, wxCENTRE | wxALL, 10 );
+    topsizer->Add( CreateButtonSizer( styleDlg & (wxOK|wxCANCEL) ), 0, wxEXPAND | wxALL, 10 );
 
 #endif // !__SMARTPHONE__
 
-    SetAutoLayout( true );
     SetSizer( topsizer );
 
+#if !defined(__SMARTPHONE__) && !defined(__POCKETPC__)
     topsizer->SetSizeHints( this );
     topsizer->Fit( this );
 
-    Centre( wxBOTH );
+    if ( styleDlg & wxCENTRE )
+        Centre(wxBOTH);
+#endif
 
     m_listbox->SetFocus();
 
@@ -442,8 +466,17 @@ bool wxMultiChoiceDialog::Create( wxWindow *parent,
 
 void wxMultiChoiceDialog::SetSelections(const wxArrayInt& selections)
 {
-    size_t count = selections.GetCount();
-    for ( size_t n = 0; n < count; n++ )
+    // first clear all currently selected items
+    size_t n,
+           count = m_listbox->GetCount();
+    for ( n = 0; n < count; ++n )
+    {
+        m_listbox->Deselect(n);
+    }
+
+    // now select the ones which should be selected
+    count = selections.GetCount();
+    for ( n = 0; n < count; n++ )
     {
         m_listbox->Select(selections[n]);
     }