Prevent possible divide by zero problem

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

diff --git a/src/generic/choicdgg.cpp b/src/generic/choicdgg.cpp
index 99d5079b4f1411cbc5b7ca9cd2bbb08d70f4f49a..629284a4badeb17fe983051f8e704842bd4bb71b 100644 (file)
--- a/src/generic/choicdgg.cpp
+++ b/src/generic/choicdgg.cpp
@@ -6,14 +6,14 @@
 // Created:     04/01/98
 // RCS-ID:      $Id$
 // Copyright:   (c) wxWindows team
-// Licence:     wxWindows license
+// Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 // ============================================================================
 // declarations
 // ============================================================================
 
-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
     #pragma implementation "choicdgg.h"
 #endif
 
@@ -28,6 +28,8 @@
     #pragma hdrstop
 #endif
 
+#if wxUSE_CHOICEDLG
+
 #ifndef WX_PRECOMP
     #include <stdio.h>
     #include "wx/utils.h"
@@ -37,6 +39,7 @@
     #include "wx/stattext.h"
     #include "wx/intl.h"
     #include "wx/sizer.h"
+    #include "wx/arrstr.h"
 #endif
 
 #if wxUSE_STATLINE
@@ -51,17 +54,6 @@
 
 #define wxID_LISTBOX 3000
 
-#if defined(__WXMSW__) || defined(__WXMAC__)
-#define wxCHOICEDLG_DIALOG_STYLE (wxDEFAULT_DIALOG_STYLE | \
-                                  wxDIALOG_MODAL |         \
-                                  wxTAB_TRAVERSAL)
-#else
-#define wxCHOICEDLG_DIALOG_STYLE (wxDEFAULT_DIALOG_STYLE | \
-                                  wxDIALOG_MODAL |         \
-                                  wxRESIZE_BORDER |        \
-                                  wxTAB_TRAVERSAL)
-#endif
-
 // ----------------------------------------------------------------------------
 // private functions
 // ----------------------------------------------------------------------------
@@ -81,9 +73,10 @@ int ConvertWXArrayToC(const wxArrayString& aChoices, wxString **choices)
 {
     int n = aChoices.GetCount();
     *choices = new wxString[n];
+
     for ( int i = 0; i < n; i++ )
     {
-        *choices[i] = aChoices[i];
+        (*choices)[i] = aChoices[i];
     }
 
     return n;
@@ -126,28 +119,6 @@ wxString wxGetSingleChoice( const wxString& message,
     return res;
 }
 
-#ifdef WXWIN_COMPATIBILITY_2
-// Overloaded for backward compatibility
-wxString wxGetSingleChoice( const wxString& message,
-                            const wxString& caption,
-                            int n, char *choices[],
-                            wxWindow *parent,
-                            int x, int y, bool centre,
-                            int width, int height )
-{
-    wxString *strings = new wxString[n];
-    int i;
-    for ( i = 0; i < n; i++)
-    {
-        strings[i] = choices[i];
-    }
-    wxString ans(wxGetSingleChoice(message, caption, n, (const wxString *)strings, parent,
-        x, y, centre, width, height));
-    delete[] strings;
-    return ans;
-}
-#endif // WXWIN_COMPATIBILITY_2
-
 int wxGetSingleChoiceIndex( const wxString& message,
                             const wxString& caption,
                             int n, const wxString *choices,
@@ -166,24 +137,22 @@ int wxGetSingleChoiceIndex( const wxString& message,
     return choice;
 }
 
-#ifdef WXWIN_COMPATIBILITY_2
-// Overloaded for backward compatibility
 int wxGetSingleChoiceIndex( const wxString& message,
                             const wxString& caption,
-                            int n, wxChar *choices[],
+                            const wxArrayString& aChoices,
                             wxWindow *parent,
-                            int x, int y, bool centre,
-                            int width, int height )
+                            int x, int y,
+                            bool centre,
+                            int width, int height)
 {
-    wxString *strings = new wxString[n];
-    for ( int i = 0; i < n; i++)
-        strings[i] = choices[i];
-    int ans = wxGetSingleChoiceIndex(message, caption, n, (const wxString *)strings, parent,
-        x, y, centre, width, height);
-    delete[] strings;
-    return ans;
+    wxString *choices;
+    int n = ConvertWXArrayToC(aChoices, &choices);
+    int res = wxGetSingleChoiceIndex(message, caption, n, choices, parent,
+                                     x, y, centre, width, height);
+    delete [] choices;
+
+    return res;
 }
-#endif // WXWIN_COMPATIBILITY_2
 
 void *wxGetSingleChoiceData( const wxString& message,
                              const wxString& caption,
@@ -224,30 +193,6 @@ void *wxGetSingleChoiceData( const wxString& message,
     return res;
 }
 
-#ifdef WXWIN_COMPATIBILITY_2
-// Overloaded for backward compatibility
-void *wxGetSingleChoiceData( const wxString& message,
-                             const wxString& caption,
-                             int n, wxChar *choices[],
-                             void **client_data,
-                             wxWindow *parent,
-                             int x, int y, bool centre, int width, int height )
-{
-    wxString *strings = new wxString[n];
-    int i;
-    for ( i = 0; i < n; i++)
-    {
-        strings[i] = choices[i];
-    }
-    void *data = wxGetSingleChoiceData(message, caption,
-                                       n, (const wxString *)strings,
-                                       client_data, parent,
-                                       x, y, centre, width, height);
-    delete[] strings;
-    return data;
-}
-#endif // WXWIN_COMPATIBILITY_2
-
 size_t wxGetMultipleChoices(wxArrayInt& selections,
                             const wxString& message,
                             const wxString& caption,
@@ -258,6 +203,10 @@ size_t wxGetMultipleChoices(wxArrayInt& selections,
                             int WXUNUSED(width), int WXUNUSED(height))
 {
     wxMultiChoiceDialog dialog(parent, message, caption, n, choices);
+
+    if ( !selections.IsEmpty() )
+        dialog.SetSelections(selections);
+
     if ( dialog.ShowModal() == wxID_OK )
         selections = dialog.GetSelections();
     else
@@ -293,12 +242,11 @@ bool wxAnyChoiceDialog::Create(wxWindow *parent,
                                const wxString& message,
                                const wxString& caption,
                                int n, const wxString *choices,
-                               long WXUNUSED(styleDlg), // FIXME: why unused?
+                               long styleDlg,
                                const wxPoint& pos,
                                long styleLbox)
 {
-    if ( !wxDialog::Create(parent, -1, caption, pos, wxDefaultSize,
-                           wxCHOICEDLG_DIALOG_STYLE) )
+    if ( !wxDialog::Create(parent, -1, caption, pos, wxDefaultSize, styleDlg) )
         return FALSE;
 
     wxBoxSizer *topsizer = new wxBoxSizer( wxVERTICAL );
@@ -322,7 +270,7 @@ bool wxAnyChoiceDialog::Create(wxWindow *parent,
 #endif
 
     // 4) buttons
-    topsizer->Add( CreateButtonSizer( wxOK|wxCANCEL ), 0, wxCENTRE | wxALL, 10 );
+    topsizer->Add( CreateButtonSizer( styleDlg & (wxOK|wxCANCEL) ), 0, wxCENTRE | wxALL, 10 );
 
     SetAutoLayout( TRUE );
     SetSizer( topsizer );
@@ -360,40 +308,6 @@ wxSingleChoiceDialog::wxSingleChoiceDialog(wxWindow *parent,
     Create(parent, message, caption, n, choices, clientData, style);
 }
 
-#ifdef WXWIN_COMPATIBILITY_2
-
-wxSingleChoiceDialog::wxSingleChoiceDialog(wxWindow *parent,
-                                           const wxString& message,
-                                           const wxString& caption,
-                                           const wxStringList& choices,
-                                           char **clientData,
-                                           long style,
-                                           const wxPoint& WXUNUSED(pos))
-{
-    Create(parent, message, caption, choices, clientData, style);
-}
-
-bool wxSingleChoiceDialog::Create(wxWindow *parent,
-                                  const wxString& message,
-                                  const wxString& caption,
-                                  const wxStringList& choices,
-                                  char **clientData,
-                                  long style,
-                                  const wxPoint& pos)
-{
-    wxString *strings = new wxString[choices.Number()];
-    int i;
-    for ( i = 0; i < choices.Number(); i++)
-    {
-        strings[i] = (char *)choices.Nth(i)->Data();
-    }
-    bool ans = Create(parent, message, caption, choices.Number(), strings, clientData, style, pos);
-    delete[] strings;
-    return ans;
-}
-
-#endif // WXWIN_COMPATIBILITY_2
-
 bool wxSingleChoiceDialog::Create( wxWindow *parent,
                                    const wxString& message,
                                    const wxString& caption,
@@ -430,11 +344,8 @@ void wxSingleChoiceDialog::OnOK(wxCommandEvent& WXUNUSED(event))
 {
     m_selection = m_listbox->GetSelection();
     m_stringSelection = m_listbox->GetStringSelection();
-    // TODO!
-#ifndef __WXMOTIF__
     if ( m_listbox->HasClientUntypedData() )
         SetClientData(m_listbox->GetClientData(m_selection));
-#endif
     EndModal(wxID_OK);
 }
 
@@ -443,11 +354,8 @@ void wxSingleChoiceDialog::OnListBoxDClick(wxCommandEvent& WXUNUSED(event))
     m_selection = m_listbox->GetSelection();
     m_stringSelection = m_listbox->GetStringSelection();
 
-    // TODO!
-#ifndef __WXMOTIF__
     if ( m_listbox->HasClientUntypedData() )
         SetClientData(m_listbox->GetClientData(m_selection));
-#endif
 
     EndModal(wxID_OK);
 }
@@ -486,11 +394,6 @@ void wxMultiChoiceDialog::SetSelections(const wxArrayInt& selections)
 
 bool wxMultiChoiceDialog::TransferDataFromWindow()
 {
-    // VZ: I hate to do it but I can't fix wxMotif right now (FIXME)
-#ifdef __WXMOTIF__
-    #define IsSelected Selected
-#endif
-
     m_selections.Empty();
     size_t count = m_listbox->GetCount();
     for ( size_t n = 0; n < count; n++ )
@@ -501,3 +404,5 @@ bool wxMultiChoiceDialog::TransferDataFromWindow()
 
     return TRUE;
 }
+
+#endif // wxUSE_CHOICEDLG