]> git.saurik.com Git - wxWidgets.git/blobdiff - samples/dialogs/dialogs.cpp
miscellaneous small enhancements
[wxWidgets.git] / samples / dialogs / dialogs.cpp
index c6eb85470fbbac5efc31723cae054ef572c221de..a93d23aa7d4800a70f07223e6186437bbb96a84c 100644 (file)
@@ -22,6 +22,7 @@
 
 #include "../sample.xpm"
 
+#include "wx/apptrait.h"
 #include "wx/datetime.h"
 #include "wx/image.h"
 #include "wx/bookctrl.h"
@@ -39,6 +40,8 @@
     #include "wx/choicdlg.h"
 #endif // wxUSE_CHOICEDLG
 
+#include "wx/rearrangectrl.h"
+
 #if wxUSE_STARTUP_TIPS
     #include "wx/tipdlg.h"
 #endif // wxUSE_STARTUP_TIPS
     #include "wx/fdrepdlg.h"
 #endif // wxUSE_FINDREPLDLG
 
-#if wxUSE_SPINCTRL
 #include "wx/spinctrl.h"
-#endif
-
 #include "wx/propdlg.h"
 
 #include "dialogs.h"
@@ -118,6 +118,7 @@ END_EVENT_TABLE()
 BEGIN_EVENT_TABLE(MyFrame, wxFrame)
 #if wxUSE_MSGDLG
     EVT_MENU(DIALOGS_MESSAGE_BOX,                   MyFrame::MessageBox)
+    EVT_MENU(DIALOGS_MESSAGE_DIALOG,                MyFrame::MessageBoxDialog)
     EVT_MENU(DIALOGS_MESSAGE_BOX_WXINFO,            MyFrame::MessageBoxInfo)
 #endif // wxUSE_MSGDLG
 #if wxUSE_COLOURDLG
@@ -147,6 +148,8 @@ BEGIN_EVENT_TABLE(MyFrame, wxFrame)
     EVT_MENU(DIALOGS_MULTI_CHOICE,                  MyFrame::MultiChoice)
 #endif // wxUSE_CHOICEDLG
 
+    EVT_MENU(DIALOGS_REARRANGE,                     MyFrame::Rearrange)
+
 #if wxUSE_FILEDLG
     EVT_MENU(DIALOGS_FILE_OPEN,                     MyFrame::FileOpen)
     EVT_MENU(DIALOGS_FILE_OPEN2,                    MyFrame::FileOpen2)
@@ -275,6 +278,7 @@ bool MyApp::OnInit()
     wxMenu *menuDlg = new wxMenu;
 
     menuDlg->Append(DIALOGS_MESSAGE_BOX, _T("&Message box\tCtrl-M"));
+    menuDlg->Append(DIALOGS_MESSAGE_DIALOG, _T("Message dialog\tShift-Ctrl-M"));
 
 
 #if wxUSE_COLOURDLG || wxUSE_FONTDLG || wxUSE_CHOICEDLG
@@ -295,6 +299,8 @@ bool MyApp::OnInit()
         choices_menu->Append(DIALOGS_MULTI_CHOICE,  _T("M&ultiple choice\tCtrl-U"));
     #endif // wxUSE_CHOICEDLG
 
+        choices_menu->Append(DIALOGS_REARRANGE,  _T("&Rearrange dialog\tCtrl-R"));
+
     #if USE_COLOURDLG_GENERIC || USE_FONTDLG_GENERIC
         choices_menu->AppendSeparator();
     #endif // USE_COLOURDLG_GENERIC || USE_FONTDLG_GENERIC
@@ -431,7 +437,7 @@ bool MyApp::OnInit()
 #endif // USE_SETTINGS_DIALOG
 
     wxMenu *menuNotif = new wxMenu;
-    menuNotif->Append(DIALOGS_REQUEST, _T("&Request user attention\tCtrl-R"));
+    menuNotif->Append(DIALOGS_REQUEST, _T("&Request user attention\tCtrl-Shift-R"));
 #if wxUSE_NOTIFICATION_MESSAGE
     menuNotif->Append(DIALOGS_NOTIFY_AUTO, "&Automatically hidden notification");
     menuNotif->Append(DIALOGS_NOTIFY_SHOW, "&Show manual notification");
@@ -650,14 +656,16 @@ void MyFrame::LogDialog(wxCommandEvent& WXUNUSED(event))
 #endif // wxUSE_LOG_DIALOG
 
 #if wxUSE_MSGDLG
-void MyFrame::MessageBox(wxCommandEvent& WXUNUSED(event) )
+void MyFrame::MessageBox(wxCommandEvent& WXUNUSED(event))
 {
     wxMessageDialog dialog(this,
                            "This is a message box\n"
-                           "A long, long string to test out the message box "
-                           "layout properly.",
+                           "This is a long, long string to test out if the message box "
+                           "is laid out properly.",
                            "Message box text",
-                           wxCENTER | wxNO_DEFAULT | wxYES_NO | wxCANCEL | wxICON_INFORMATION);
+                           wxCENTER |
+                           wxNO_DEFAULT | wxYES_NO | wxCANCEL |
+                           wxICON_INFORMATION);
 
     wxString extmsg;
     if ( dialog.SetYesNoCancelLabels
@@ -668,7 +676,7 @@ void MyFrame::MessageBox(wxCommandEvent& WXUNUSED(event) )
                 ) )
     {
         extmsg = "This platform supports custom button labels,\n"
-                 "so you should see the descriptiva text below.";
+                 "so you should see the descriptive labels below.";
     }
     else
     {
@@ -696,6 +704,12 @@ void MyFrame::MessageBox(wxCommandEvent& WXUNUSED(event) )
     }
 }
 
+void MyFrame::MessageBoxDialog(wxCommandEvent& WXUNUSED(event))
+{
+    TestMessageBoxDialog dlg(this);
+    dlg.ShowModal();
+}
+
 void MyFrame::MessageBoxInfo(wxCommandEvent& WXUNUSED(event))
 {
     ::wxInfoMessageBox(this);
@@ -809,6 +823,231 @@ void MyFrame::MultiChoice(wxCommandEvent& WXUNUSED(event) )
 }
 #endif // wxUSE_CHOICEDLG
 
+// custom rearrange dialog: it adds the possibility to rename an item to the
+// base class functionality
+class MyRearrangeDialog : public wxRearrangeDialog
+{
+public:
+    MyRearrangeDialog(wxWindow *parent,
+                      wxArrayInt& order,
+                      wxArrayString& labels,
+                      wxArrayString& labelsOrig)
+        : wxRearrangeDialog
+          (
+           parent,
+           "Configure the columns shown:",
+           "wxRearrangeDialog example",
+           order,
+           labels
+          ),
+          m_order(order),
+          m_labels(labels),
+          m_labelsOrig(labelsOrig)
+    {
+        m_sel = wxNOT_FOUND;
+
+        wxPanel * const panel = new wxPanel(this);
+        wxSizer * const sizer = new wxBoxSizer(wxHORIZONTAL);
+
+        m_labelOrig = new wxStaticText(panel, wxID_ANY, "");
+        sizer->Add(m_labelOrig, wxSizerFlags().Centre().Border(wxRIGHT));
+
+        m_text = new wxTextCtrl(panel, wxID_ANY, "",
+                                wxDefaultPosition, wxDefaultSize,
+                                wxTE_PROCESS_ENTER);
+        sizer->Add(m_text, wxSizerFlags().Centre().Border(wxRIGHT));
+
+        sizer->Add(new wxButton(panel, wxID_APPLY, "&Rename"),
+                   wxSizerFlags().Centre());
+
+        panel->SetSizer(sizer);
+
+        // call this first to ensure that the controls have a reasonable best
+        // size before they're added
+        DoUpdateExtraControls(GetList()->GetSelection());
+
+        AddExtraControls(panel);
+
+
+        // another customization not directly supported by the dialog: add a
+        // custom button
+        wxWindow * const btnOk = FindWindow(wxID_OK);
+        wxCHECK_RET( btnOk, "no Ok button?" );
+
+        wxSizer * const sizerBtns = btnOk->GetContainingSizer();
+        wxCHECK_RET( sizerBtns, "no buttons sizer?" );
+
+        sizerBtns->Add(new wxButton(this, wxID_RESET, "&Reset all"),
+                       wxSizerFlags().Border(wxLEFT));
+    }
+
+    // call this instead of ShowModal() to update order and labels array in
+    // case the dialog was not cancelled
+    bool Rearrange()
+    {
+        switch ( ShowModal() )
+        {
+            case wxID_CANCEL:
+                return false;
+
+            case wxID_OK:
+                m_order = GetOrder();
+                break;
+
+            case wxID_RESET:
+                // order already reset
+                break;
+        }
+
+        return true;
+    }
+
+private:
+    void OnSelChange(wxCommandEvent& event)
+    {
+        DoUpdateExtraControls(event.GetInt());
+    }
+
+    void OnUpdateUIRename(wxUpdateUIEvent& event)
+    {
+        event.Enable( CanRename() );
+    }
+
+    void OnRename(wxCommandEvent& WXUNUSED(event))
+    {
+        if ( !CanRename() )
+            return;
+
+        m_labels[m_sel] = m_text->GetValue();
+        GetList()->SetString(m_sel, m_labels[m_sel]);
+    }
+
+    void OnReset(wxCommandEvent& WXUNUSED(event))
+    {
+        // in a real program we should probably ask if the user really wants to
+        // do this but here we just go ahead and reset all columns labels and
+        // their order without confirmation
+        const unsigned count = m_order.size();
+        for ( unsigned n = 0; n < count; n++ )
+        {
+            m_order[n] = n;
+            m_labels[n] = m_labelsOrig[n];
+        }
+
+        EndModal(wxID_RESET);
+    }
+
+    bool CanRename() const
+    {
+        // only allow renaming if the user modified the currently selected item
+        // text (which presupposes that we do have a current item)
+        return m_sel != wxNOT_FOUND && m_text->GetValue() != m_labels[m_sel];
+    }
+
+    void DoUpdateExtraControls(int sel)
+    {
+        m_sel = sel;
+
+        if ( m_sel == wxNOT_FOUND )
+        {
+            m_labelOrig->SetLabel("<no selection>");
+            m_text->Clear();
+            m_text->Disable();
+        }
+        else // have valid item
+        {
+            m_labelOrig->SetLabelText(m_labelsOrig[m_sel]);
+            m_text->Enable();
+            m_text->SetValue(m_labels[m_sel]);
+        }
+    }
+
+    wxArrayInt& m_order;
+    wxArrayString& m_labels,
+                   m_labelsOrig;
+
+    int m_sel;
+    wxStaticText *m_labelOrig;
+    wxTextCtrl *m_text;
+
+    DECLARE_EVENT_TABLE()
+    DECLARE_NO_COPY_CLASS(MyRearrangeDialog)
+};
+
+BEGIN_EVENT_TABLE(MyRearrangeDialog, wxRearrangeDialog)
+    EVT_LISTBOX(wxID_ANY, MyRearrangeDialog::OnSelChange)
+
+    EVT_UPDATE_UI(wxID_APPLY, MyRearrangeDialog::OnUpdateUIRename)
+
+    EVT_TEXT_ENTER(wxID_ANY, MyRearrangeDialog::OnRename)
+    EVT_BUTTON(wxID_APPLY, MyRearrangeDialog::OnRename)
+    EVT_BUTTON(wxID_RESET, MyRearrangeDialog::OnReset)
+END_EVENT_TABLE()
+
+void MyFrame::Rearrange(wxCommandEvent& WXUNUSED(event))
+{
+    // the arrays are static so that we preserve the items order between calls
+    // to this function
+    static wxArrayInt s_order;
+    static wxArrayString s_labels,
+                         s_labelsOrig;
+
+    // initialize them on the first call
+    if ( s_labelsOrig.empty() )
+    {
+        static const struct ItemInfo
+        {
+            const char *label;
+            const char *labelOrig;
+            int order;
+        } items[] =
+        {
+            { "File name",      "Name",   0 },
+            { "File type",      "Ext",    1 },
+            { "Size",           "Size",   2 },
+            { "Creation time",  "Ctime", ~3 },  // negated so hidden
+            { "Last accessed",  "Atime", ~4 },
+            { "Last modified",  "Mtime",  5 },
+        };
+
+        s_order.reserve(WXSIZEOF(items));
+        s_labels.reserve(WXSIZEOF(items));
+        s_labelsOrig.reserve(WXSIZEOF(items));
+        for ( unsigned n = 0; n < WXSIZEOF(items); n++ )
+        {
+            const ItemInfo& item = items[n];
+            s_order.push_back(item.order);
+            s_labels.push_back(item.label);
+            s_labelsOrig.push_back(item.labelOrig);
+        }
+    }
+
+    MyRearrangeDialog dlg(this, s_order, s_labels, s_labelsOrig);
+    if ( !dlg.Rearrange() )
+        return;
+
+    wxString columns;
+    for ( unsigned n = 0; n < s_order.size(); n++ )
+    {
+        columns += wxString::Format("\n    %u: ", n);
+        int idx = s_order[n];
+        if ( idx < 0 )
+        {
+            columns += "[hidden] ";
+            idx = ~idx;
+        }
+
+        columns += s_labels[idx];
+        if ( s_labels[idx] != s_labelsOrig[idx] )
+        {
+            columns += wxString::Format(" (original label: \"%s\")",
+                                        s_labelsOrig[idx]);
+        }
+    }
+
+    wxLogMessage("The columns order now is:%s", columns);
+}
+
 #if wxUSE_FILEDLG
 
 // panel with custom controls for file dialog
@@ -869,8 +1108,7 @@ void MyFrame::FileOpen(wxCommandEvent& WXUNUSED(event) )
     if (dialog.ShowModal() == wxID_OK)
     {
         wxString info;
-        MyExtraPanel *extra_panel
-            = static_cast<MyExtraPanel*>(dialog.GetExtraControl());
+        wxWindow * const extra = dialog.GetExtraControl();
         info.Printf(_T("Full file name: %s\n")
                     _T("Path: %s\n")
                     _T("Name: %s\n")
@@ -878,7 +1116,8 @@ void MyFrame::FileOpen(wxCommandEvent& WXUNUSED(event) )
                     dialog.GetPath().c_str(),
                     dialog.GetDirectory().c_str(),
                     dialog.GetFilename().c_str(),
-                    extra_panel->GetInfo().c_str());
+                    extra ? static_cast<MyExtraPanel*>(extra)->GetInfo()
+                          : wxString("None"));
         wxMessageDialog dialog2(this, info, _T("Selected file"));
         dialog2.ShowModal();
     }
@@ -1294,33 +1533,33 @@ TestDefaultActionDialog::TestDefaultActionDialog( wxWindow *parent ) :
     m_catchListBoxDClick = false;
 
     wxBoxSizer *main_sizer = new wxBoxSizer( wxVERTICAL );
-    
+
     wxFlexGridSizer *grid_sizer = new wxFlexGridSizer( 2, 5, 5 );
-    
+
     wxListBox *listbox = new wxListBox( this, ID_LISTBOX );
     listbox->Append( "String 1" );
     listbox->Append( "String 2" );
     listbox->Append( "String 3" );
     listbox->Append( "String 4" );
     grid_sizer->Add( listbox );
-    
+
     grid_sizer->Add( new wxCheckBox( this, ID_CATCH_LISTBOX_DCLICK, "Catch DoubleClick from wxListBox" ), 0, wxALIGN_CENTRE_VERTICAL );
-    
+
     grid_sizer->Add( new wxTextCtrl( this, -1, "", wxDefaultPosition, wxSize(80,-1), 0 ), 0, wxALIGN_CENTRE_VERTICAL );
     grid_sizer->Add( new wxStaticText( this, -1, "wxTextCtrl without wxTE_PROCESS_ENTER" ), 0, wxALIGN_CENTRE_VERTICAL );
-    
+
     grid_sizer->Add( new wxTextCtrl( this, -1, "", wxDefaultPosition, wxSize(80,-1), wxTE_PROCESS_ENTER ), 0, wxALIGN_CENTRE_VERTICAL );
     grid_sizer->Add( new wxStaticText( this, -1, "wxTextCtrl with wxTE_PROCESS_ENTER" ), 0, wxALIGN_CENTRE_VERTICAL );
-    
+
     main_sizer->Add( grid_sizer, 0, wxALL, 10 );
-    
+
     wxSizer *button_sizer = CreateSeparatedButtonSizer( wxOK|wxCANCEL );
     if (button_sizer)
         main_sizer->Add( button_sizer, 0, wxALL|wxGROW, 5 );
-        
+
     SetSizerAndFit( main_sizer );
 }
-    
+
 void TestDefaultActionDialog::OnListBoxDClick(wxCommandEvent& event)
 {
     event.Skip( !m_catchListBoxDClick );
@@ -2124,4 +2363,224 @@ wxPanel* SettingsDialog::CreateAestheticSettingsPage(wxWindow* parent)
     return panel;
 }
 
+// ----------------------------------------------------------------------------
+// TestMessageBoxDialog
+// ----------------------------------------------------------------------------
+
+/* static */
+const TestMessageBoxDialog::BtnInfo TestMessageBoxDialog::ms_btnInfo[] =
+{
+    { wxYES,    "&Yes"    },
+    { wxNO,     "&No"     },
+    { wxOK,     "&Ok"     },
+    { wxCANCEL, "&Cancel" },
+};
+
+BEGIN_EVENT_TABLE(TestMessageBoxDialog, wxDialog)
+    EVT_BUTTON(wxID_APPLY, TestMessageBoxDialog::OnApply)
+    EVT_BUTTON(wxID_CLOSE, TestMessageBoxDialog::OnClose)
+END_EVENT_TABLE()
+
+TestMessageBoxDialog::TestMessageBoxDialog(wxWindow *parent)
+                    : wxDialog(parent, wxID_ANY, "Message Box Test Dialog",
+                               wxDefaultPosition, wxDefaultSize,
+                               wxDEFAULT_DIALOG_STYLE | wxRESIZE_BORDER)
+{
+    wxSizer * const sizerTop = new wxBoxSizer(wxVERTICAL);
+
+    // this sizer allows to configure the messages shown in the message box
+    wxSizer * const
+        sizerMsgs = new wxStaticBoxSizer(wxVERTICAL, this, "&Messages");
+    sizerMsgs->Add(new wxStaticText(this, wxID_ANY, "&Main message:"));
+    m_textMsg = new wxTextCtrl(this, wxID_ANY, "Hello from a box!",
+                               wxDefaultPosition, wxDefaultSize,
+                               wxTE_MULTILINE);
+    sizerMsgs->Add(m_textMsg, wxSizerFlags(1).Expand().Border(wxBOTTOM));
+
+    sizerMsgs->Add(new wxStaticText(this, wxID_ANY, "&Extended message:"));
+    m_textExtMsg = new wxTextCtrl(this, wxID_ANY, "",
+                                  wxDefaultPosition, wxDefaultSize,
+                                  wxTE_MULTILINE);
+    sizerMsgs->Add(m_textExtMsg, wxSizerFlags(1).Expand());
+
+    sizerTop->Add(sizerMsgs, wxSizerFlags(1).Expand().Border());
+
+
+    // this one is for configuring the buttons
+    wxFlexGridSizer * const sizerBtns = new wxFlexGridSizer(2, 5, 5);
+    sizerBtns->AddGrowableCol(1);
+
+    sizerBtns->Add(new wxStaticText(this, wxID_ANY, "Button(s)"));
+    sizerBtns->Add(new wxStaticText(this, wxID_ANY, "Custom label"));
+
+    for ( int n = 0; n < Btn_Max; n++ )
+    {
+        m_buttons[n] = new wxCheckBox(this, wxID_ANY, ms_btnInfo[n].name);
+        sizerBtns->Add(m_buttons[n], wxSizerFlags().Centre().Left());
+
+        m_labels[n] = new wxTextCtrl(this, wxID_ANY);
+        sizerBtns->Add(m_labels[n], wxSizerFlags(1).Centre().Expand());
+
+        m_labels[n]->Connect(wxEVT_UPDATE_UI,
+                             wxUpdateUIEventHandler(
+                                 TestMessageBoxDialog::OnUpdateLabelUI),
+                             NULL,
+                             this);
+    }
+
+    wxSizer * const
+        sizerBtnsBox = new wxStaticBoxSizer(wxVERTICAL, this, "&Buttons");
+    sizerBtnsBox->Add(sizerBtns, wxSizerFlags(1).Expand());
+    sizerTop->Add(sizerBtnsBox, wxSizerFlags().Expand().Border());
+
+
+    // icon choice
+    const wxString icons[] = {
+        "&Information", "&Question", "&Warning", "&Error"
+    };
+
+    m_icons = new wxRadioBox(this, wxID_ANY, "&Icon:",
+                             wxDefaultPosition, wxDefaultSize,
+                             WXSIZEOF(icons), icons);
+    sizerTop->Add(m_icons, wxSizerFlags().Expand().Border());
+
+
+    // miscellaneous other stuff
+    wxSizer * const
+        sizerFlags = new wxStaticBoxSizer(wxHORIZONTAL, this, "&Other flags");
+
+    m_chkNoDefault = new wxCheckBox(this, wxID_ANY, "Make \"No\" &default");
+    m_chkNoDefault->Connect(wxEVT_UPDATE_UI,
+                            wxUpdateUIEventHandler(
+                                TestMessageBoxDialog::OnUpdateNoDefaultUI),
+                            NULL,
+                            this);
+    sizerFlags->Add(m_chkNoDefault, wxSizerFlags(1).Border());
+
+    m_chkCentre = new wxCheckBox(this, wxID_ANY, "Centre on &parent");
+    sizerFlags->Add(m_chkCentre, wxSizerFlags(1).Border());
+
+    sizerTop->Add(sizerFlags, wxSizerFlags().Expand().Border());
+
+    // finally buttons to show the resulting message box and close this dialog
+    sizerTop->Add(CreateStdDialogButtonSizer(wxAPPLY | wxCLOSE),
+                  wxSizerFlags().Right().Border());
+
+    SetSizerAndFit(sizerTop);
+
+    m_buttons[Btn_Ok]->SetValue(true);
+}
+
+void TestMessageBoxDialog::OnUpdateLabelUI(wxUpdateUIEvent& event)
+{
+    for ( int n = 0; n < Btn_Max; n++ )
+    {
+        if ( event.GetEventObject() == m_labels[n] )
+        {
+            event.Enable( m_buttons[n]->IsChecked() );
+            return;
+        }
+    }
+
+    wxFAIL_MSG( "called for unknown label" );
+}
+
+void TestMessageBoxDialog::OnUpdateNoDefaultUI(wxUpdateUIEvent& event)
+{
+    event.Enable( m_buttons[Btn_No]->IsChecked() );
+}
+
+void TestMessageBoxDialog::OnApply(wxCommandEvent& WXUNUSED(event))
+{
+    long style = 0;
+
+    for ( int n = 0; n < Btn_Max; n++ )
+    {
+        if ( m_buttons[n]->IsChecked() )
+            style |= ms_btnInfo[n].flag;
+    }
+
+    switch ( m_icons->GetSelection() )
+    {
+        case 0: style |= wxICON_INFORMATION; break;
+        case 1: style |= wxICON_QUESTION; break;
+        case 2: style |= wxICON_WARNING; break;
+        case 3: style |= wxICON_ERROR; break;
+    }
+
+    if ( m_chkCentre->IsChecked() )
+        style |= wxCENTRE;
+
+    if ( m_chkNoDefault->IsEnabled() && m_chkNoDefault->IsChecked() )
+        style |= wxNO_DEFAULT;
+
+
+    wxMessageDialog dlg(this, m_textMsg->GetValue(), "Test Message Box",
+                        style);
+    if ( !m_textExtMsg->IsEmpty() )
+        dlg.SetExtendedMessage(m_textExtMsg->GetValue());
+
+    if ( style & wxYES_NO )
+    {
+        if ( style & wxCANCEL )
+        {
+            dlg.SetYesNoCancelLabels(m_labels[Btn_Yes]->GetValue(),
+                                     m_labels[Btn_No]->GetValue(),
+                                     m_labels[Btn_Cancel]->GetValue());
+        }
+        else
+        {
+            dlg.SetYesNoLabels(m_labels[Btn_Yes]->GetValue(),
+                               m_labels[Btn_No]->GetValue());
+        }
+    }
+    else
+    {
+        if ( style & wxCANCEL )
+        {
+            dlg.SetOKCancelLabels(m_labels[Btn_Ok]->GetValue(),
+                                  m_labels[Btn_Cancel]->GetValue());
+        }
+        else
+        {
+            dlg.SetOKLabel(m_labels[Btn_Ok]->GetValue());
+        }
+    }
+
+    dlg.ShowModal();
+}
+
+void TestMessageBoxDialog::OnClose(wxCommandEvent& WXUNUSED(event))
+{
+    EndModal(wxID_CANCEL);
+}
+
 #endif // USE_SETTINGS_DIALOG
+
+#if wxUSE_LOG
+
+// ----------------------------------------------------------------------------
+// custom log target
+// ----------------------------------------------------------------------------
+
+class MyLogGui : public wxLogGui
+{
+private:
+    virtual void DoShowSingleLogMessage(const wxString& message,
+                                        const wxString& title,
+                                        int style)
+    {
+        wxMessageDialog dlg(NULL, message, title,
+                            wxOK | wxCANCEL | wxCANCEL_DEFAULT | style);
+        dlg.SetOKCancelLabels(wxID_COPY, wxID_OK);
+        dlg.SetExtendedMessage("Note that this is a custom log dialog.");
+        dlg.ShowModal();
+    }
+};
+
+wxLog *MyAppTraits::CreateLogTarget()
+{
+    return new MyLogGui;
+}
+
+#endif // wxUSE_LOG