samples/widgets/dirpicker.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Program:     wxWidgets Widgets Sample
   3 // Name:        dirpicker.cpp
   4 // Purpose:     Shows wxDirPickerCtrl
   5 // Author:      Francesco Montorsi
   6 // Created:     20/6/2006
   7 // Id:          $Id$
   8 // Copyright:   (c) 2006 Francesco Montorsi
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 // for compilers that support precompilation, includes "wx/wx.h".
  21 #include "wx/wxprec.h"
  22
  23 #ifdef __BORLANDC__
  24     #pragma hdrstop
  25 #endif
  26
  27 #if wxUSE_DIRPICKERCTRL
  28
  29 // for all others, include the necessary headers
  30 #ifndef WX_PRECOMP
  31     #include "wx/app.h"
  32     #include "wx/log.h"
  33     #include "wx/radiobox.h"
  34 #endif
  35
  36 #include "wx/artprov.h"
  37 #include "wx/sizer.h"
  38 #include "wx/stattext.h"
  39 #include "wx/checkbox.h"
  40 #include "wx/imaglist.h"
  41
  42 #include "wx/filepicker.h"
  43 #include "widgets.h"
  44
  45 #include "icons/dirpicker.xpm"
  46
  47 // ----------------------------------------------------------------------------
  48 // constants
  49 // ----------------------------------------------------------------------------
  50
  51 // control ids
  52 enum
  53 {
  54     PickerPage_Reset = wxID_HIGHEST,
  55     PickerPage_Dir
  56 };
  57
  58
  59 // ----------------------------------------------------------------------------
  60 // DirPickerWidgetsPage
  61 // ----------------------------------------------------------------------------
  62
  63 class DirPickerWidgetsPage : public WidgetsPage
  64 {
  65 public:
  66     DirPickerWidgetsPage(WidgetsBookCtrl *book, wxImageList *imaglist);
  67     virtual ~DirPickerWidgetsPage(){};
  68
  69     virtual wxControl *GetWidget() const { return m_dirPicker; }
  70     virtual void RecreateWidget() { RecreatePicker(); }
  71
  72     // lazy creation of the content
  73     virtual void CreateContent();
  74
  75 protected:
  76
  77     // called only once at first construction
  78     void CreatePicker();
  79
  80     // called to recreate an existing control
  81     void RecreatePicker();
  82
  83     // restore the checkboxes state to the initial values
  84     void Reset();
  85
  86     // get the initial style for the picker of the given kind
  87     long GetPickerStyle();
  88
  89
  90     void OnDirChange(wxFileDirPickerEvent &ev);
  91     void OnCheckBox(wxCommandEvent &ev);
  92     void OnButtonReset(wxCommandEvent &ev);
  93
  94     // the picker
  95     wxDirPickerCtrl *m_dirPicker;
  96
  97
  98     // other controls
  99     // --------------
 100
 101     wxCheckBox *m_chkDirTextCtrl,
 102                *m_chkDirChangeDir,
 103                *m_chkDirMustExist;
 104     wxBoxSizer *m_sizer;
 105
 106 private:
 107     DECLARE_EVENT_TABLE()
 108     DECLARE_WIDGETS_PAGE(DirPickerWidgetsPage)
 109 };
 110
 111 // ----------------------------------------------------------------------------
 112 // event tables
 113 // ----------------------------------------------------------------------------
 114
 115 BEGIN_EVENT_TABLE(DirPickerWidgetsPage, WidgetsPage)
 116     EVT_BUTTON(PickerPage_Reset, DirPickerWidgetsPage::OnButtonReset)
 117
 118     EVT_DIRPICKER_CHANGED(PickerPage_Dir, DirPickerWidgetsPage::OnDirChange)
 119
 120     EVT_CHECKBOX(wxID_ANY, DirPickerWidgetsPage::OnCheckBox)
 121 END_EVENT_TABLE()
 122
 123 // ============================================================================
 124 // implementation
 125 // ============================================================================
 126
 127 #if defined(__WXGTK24__)
 128     #define FAMILY_CTRLS NATIVE_CTRLS
 129 #else
 130     #define FAMILY_CTRLS GENERIC_CTRLS
 131 #endif
 132
 133 IMPLEMENT_WIDGETS_PAGE(DirPickerWidgetsPage, wxT("DirPicker"),
 134                        PICKER_CTRLS | FAMILY_CTRLS);
 135
 136 DirPickerWidgetsPage::DirPickerWidgetsPage(WidgetsBookCtrl *book,
 137                                      wxImageList *imaglist)
 138                   : WidgetsPage(book, imaglist, dirpicker_xpm)
 139 {
 140 }
 141
 142 void DirPickerWidgetsPage::CreateContent()
 143 {
 144     // left pane
 145     wxSizer *boxleft = new wxBoxSizer(wxVERTICAL);
 146
 147     wxStaticBoxSizer *dirbox = new wxStaticBoxSizer(wxVERTICAL, this, wxT("&DirPicker style"));
 148     m_chkDirTextCtrl = CreateCheckBoxAndAddToSizer(dirbox, wxT("With textctrl"), false);
 149     m_chkDirMustExist = CreateCheckBoxAndAddToSizer(dirbox, wxT("Dir must exist"), false);
 150     m_chkDirChangeDir = CreateCheckBoxAndAddToSizer(dirbox, wxT("Change working dir"), false);
 151     boxleft->Add(dirbox, 0, wxALL|wxGROW, 5);
 152
 153     boxleft->Add(new wxButton(this, PickerPage_Reset, wxT("&Reset")),
 154                  0, wxALIGN_CENTRE_HORIZONTAL | wxALL, 15);
 155
 156     Reset();    // set checkboxes state
 157
 158     // create pickers
 159     m_dirPicker = NULL;
 160     CreatePicker();
 161
 162     // right pane
 163     m_sizer = new wxBoxSizer(wxVERTICAL);
 164     m_sizer->Add(1, 1, 1, wxGROW | wxALL, 5); // spacer
 165     m_sizer->Add(m_dirPicker, 0, wxALIGN_CENTER|wxALL, 5);
 166     m_sizer->Add(1, 1, 1, wxGROW | wxALL, 5); // spacer
 167
 168     // global pane
 169     wxSizer *sz = new wxBoxSizer(wxHORIZONTAL);
 170     sz->Add(boxleft, 0, wxGROW|wxALL, 5);
 171     sz->Add(m_sizer, 1, wxGROW|wxALL, 5);
 172
 173     SetSizer(sz);
 174 }
 175
 176 void DirPickerWidgetsPage::CreatePicker()
 177 {
 178     delete m_dirPicker;
 179
 180     m_dirPicker = new wxDirPickerCtrl(this, PickerPage_Dir,
 181                                         wxGetHomeDir(), wxT("Hello!"),
 182                                         wxDefaultPosition, wxDefaultSize,
 183                                         GetPickerStyle());
 184 }
 185
 186 long DirPickerWidgetsPage::GetPickerStyle()
 187 {
 188     long style = 0;
 189
 190     if ( m_chkDirTextCtrl->GetValue() )
 191         style |= wxDIRP_USE_TEXTCTRL;
 192
 193     if ( m_chkDirMustExist->GetValue() )
 194         style |= wxDIRP_DIR_MUST_EXIST;
 195
 196     if ( m_chkDirChangeDir->GetValue() )
 197         style |= wxDIRP_CHANGE_DIR;
 198
 199     return style;
 200 }
 201
 202 void DirPickerWidgetsPage::RecreatePicker()
 203 {
 204     m_sizer->Remove(1);
 205     CreatePicker();
 206     m_sizer->Insert(1, m_dirPicker, 0, wxALIGN_CENTER|wxALL, 5);
 207
 208     m_sizer->Layout();
 209 }
 210
 211 void DirPickerWidgetsPage::Reset()
 212 {
 213     m_chkDirTextCtrl->SetValue((wxDIRP_DEFAULT_STYLE & wxDIRP_USE_TEXTCTRL) != 0);
 214     m_chkDirMustExist->SetValue((wxDIRP_DEFAULT_STYLE & wxDIRP_DIR_MUST_EXIST) != 0);
 215     m_chkDirChangeDir->SetValue((wxDIRP_DEFAULT_STYLE & wxDIRP_CHANGE_DIR) != 0);
 216 }
 217
 218
 219 // ----------------------------------------------------------------------------
 220 // event handlers
 221 // ----------------------------------------------------------------------------
 222
 223 void DirPickerWidgetsPage::OnButtonReset(wxCommandEvent& WXUNUSED(event))
 224 {
 225     Reset();
 226     RecreatePicker();
 227 }
 228
 229 void DirPickerWidgetsPage::OnDirChange(wxFileDirPickerEvent& event)
 230 {
 231     wxLogMessage(wxT("The directory changed to '%s' ! The current working directory is '%s'"),
 232                  event.GetPath().c_str(), wxGetCwd().c_str());
 233 }
 234
 235 void DirPickerWidgetsPage::OnCheckBox(wxCommandEvent &event)
 236 {
 237     if (event.GetEventObject() == m_chkDirTextCtrl ||
 238         event.GetEventObject() == m_chkDirChangeDir ||
 239         event.GetEventObject() == m_chkDirMustExist)
 240         RecreatePicker();
 241 }
 242
 243 #endif  //  wxUSE_DIRPICKERCTRL