src/generic/preferencesg.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/generic/preferencesg.cpp
   3 // Purpose:     Implementation of wxPreferencesEditor.
   4 // Author:      Vaclav Slavik
   5 // Created:     2013-02-19
   6 // RCS-ID:      $Id$
   7 // Copyright:   (c) 2013 Vaclav Slavik <vslavik@fastmail.fm>
   8 // Licence:     wxWindows licence
   9 ///////////////////////////////////////////////////////////////////////////////
  10
  11 // ============================================================================
  12 // declarations
  13 // ============================================================================
  14
  15 // ----------------------------------------------------------------------------
  16 // headers
  17 // ----------------------------------------------------------------------------
  18
  19 // for compilers that support precompilation, includes "wx.h".
  20 #include "wx/wxprec.h"
  21
  22 #ifdef __BORLANDC__
  23     #pragma hdrstop
  24 #endif
  25
  26 #include "wx/private/preferences.h"
  27
  28 #ifndef wxHAS_PREF_EDITOR_NATIVE
  29
  30 #include "wx/dialog.h"
  31 #include "wx/notebook.h"
  32 #include "wx/sizer.h"
  33 #include "wx/sharedptr.h"
  34 #include "wx/scopedptr.h"
  35 #include "wx/vector.h"
  36
  37 class wxGenericPrefsDialog : public wxDialog
  38 {
  39 public:
  40     wxGenericPrefsDialog(wxWindow *parent)
  41         : wxDialog(parent, wxID_ANY, _("Preferences"),
  42                    wxDefaultPosition, wxDefaultSize,
  43                    wxDEFAULT_FRAME_STYLE & ~(wxRESIZE_BORDER | wxMAXIMIZE_BOX | wxMINIMIZE_BOX))
  44     {
  45         SetExtraStyle(wxWS_EX_VALIDATE_RECURSIVELY);
  46
  47         wxSizer *sizer = new wxBoxSizer(wxVERTICAL);
  48
  49         m_notebook = new wxNotebook(this, wxID_ANY);
  50         sizer->Add(m_notebook, wxSizerFlags(1).Expand().DoubleBorder());
  51
  52 #ifdef __WXGTK__
  53         SetEscapeId(wxID_CLOSE);
  54         sizer->Add(CreateButtonSizer(wxCLOSE), wxSizerFlags().Expand().DoubleBorder(wxBOTTOM));
  55 #else
  56         sizer->Add(CreateButtonSizer(wxOK | wxCANCEL),
  57                    wxSizerFlags().Expand().DoubleBorder(wxLEFT|wxRIGHT|wxBOTTOM));
  58 #endif
  59         SetSizer(sizer);
  60     }
  61
  62     void AddPage(wxPreferencesPage *page)
  63     {
  64         wxWindow *win = page->CreateWindow(m_notebook);
  65         m_notebook->AddPage(win, page->GetName());
  66     }
  67
  68 private:
  69     wxNotebook *m_notebook;
  70 };
  71
  72
  73 class wxGenericPreferencesEditorImplBase : public wxPreferencesEditorImpl
  74 {
  75 public:
  76     virtual void AddPage(wxPreferencesPage* page)
  77     {
  78         m_pages.push_back(wxSharedPtr<wxPreferencesPage>(page));
  79     }
  80
  81 protected:
  82     virtual wxDialog *CreateWindow(wxWindow *parent)
  83     {
  84         wxGenericPrefsDialog *dlg = new wxGenericPrefsDialog(parent);
  85
  86         // TODO: Don't create all pages immediately like this, do it on demand
  87         //       when a page is selected in the notebook (as is done on OS X).
  88         //
  89         //       Currently, creating all pages is necessary so that the notebook
  90         //       can determine its best size. We'll need to extend
  91         //       wxPreferencesPage with a GetBestSize() virtual method to make
  92         //       it possible to defer the creation.
  93         for ( Pages::const_iterator i = m_pages.begin();
  94               i != m_pages.end();
  95               ++i )
  96         {
  97             dlg->AddPage(i->get());
  98         }
  99
 100         return dlg;
 101     }
 102
 103     typedef wxVector< wxSharedPtr<wxPreferencesPage> > Pages;
 104     Pages m_pages;
 105
 106 };
 107
 108
 109 #ifdef wxHAS_PREF_EDITOR_MODELESS
 110
 111 class wxModelessPreferencesEditorImpl : public wxGenericPreferencesEditorImplBase
 112 {
 113 public:
 114     virtual ~wxModelessPreferencesEditorImpl()
 115     {
 116         // m_win may already be destroyed if this destructor is called from
 117         // wxApp's destructor. In that case, all windows -- including this
 118         // one -- would already be destroyed by now.
 119         if ( m_win )
 120             m_win->Destroy();
 121     }
 122
 123     virtual void Show(wxWindow* parent)
 124     {
 125         if ( !m_win )
 126         {
 127             wxWindow *win = CreateWindow(parent);
 128             win->Show();
 129             m_win = win;
 130         }
 131         else
 132         {
 133             // Ideally, we'd reparent the dialog under 'parent', but it's
 134             // probably not worth the hassle. We know the old parent is still
 135             // valid, because otherwise Dismiss() would have been called and
 136             // m_win cleared.
 137             m_win->Raise();
 138         }
 139     }
 140
 141     virtual void Dismiss()
 142     {
 143         if ( m_win )
 144         {
 145             m_win->Close(/*force=*/true);
 146             m_win = NULL;
 147         }
 148     }
 149
 150 private:
 151     wxWeakRef<wxWindow> m_win;
 152 };
 153
 154 #else // !wxHAS_PREF_EDITOR_MODELESS
 155
 156 class wxModalPreferencesEditorImpl : public wxGenericPreferencesEditorImplBase
 157 {
 158 public:
 159     virtual void Show(wxWindow* parent)
 160     {
 161         wxScopedPtr<wxDialog> dlg(CreateWindow(parent));
 162         dlg->Fit();
 163         dlg->ShowModal();
 164     }
 165
 166     virtual void Dismiss()
 167     {
 168         // nothing to do
 169     }
 170 };
 171
 172 #endif // !wxHAS_PREF_EDITOR_MODELESS
 173
 174
 175 /*static*/
 176 wxPreferencesEditorImpl* wxPreferencesEditorImpl::Create()
 177 {
 178 #ifdef wxHAS_PREF_EDITOR_MODELESS
 179     return new wxModelessPreferencesEditorImpl();
 180 #else
 181     return new wxModalPreferencesEditorImpl();
 182 #endif
 183 }
 184
 185 #endif // !wxHAS_PREF_EDITOR_NATIVE