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 // Copyright:   (c) 2006 Francesco Montorsi
   8 // Licence:     wxWindows licence
   9 /////////////////////////////////////////////////////////////////////////////
  10
  11 // ============================================================================
  12 // declarations
  13 // ============================================================================
  14
  15 // ----------------------------------------------------------------------------
  16 // headers
  17 // ----------------------------------------------------------------------------
  18
  19 // for compilers that support precompilation, includes "wx/wx.h".
  20 #include "wx/wxprec.h"
  21
  22 #ifdef __BORLANDC__
  23     #pragma hdrstop
  24 #endif
  25
  26 #if wxUSE_DIRPICKERCTRL
  27
  28 // for all others, include the necessary headers
  29 #ifndef WX_PRECOMP
  30     #include "wx/app.h"
  31     #include "wx/log.h"
  32     #include "wx/radiobox.h"
  33     #include "wx/textctrl.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     PickerPage_SetDir
  57 };
  58
  59
  60 // ----------------------------------------------------------------------------
  61 // DirPickerWidgetsPage
  62 // ----------------------------------------------------------------------------
  63
  64 class DirPickerWidgetsPage : public WidgetsPage
  65 {
  66 public:
  67     DirPickerWidgetsPage(WidgetsBookCtrl *book, wxImageList *imaglist);
  68     virtual ~DirPickerWidgetsPage(){};
  69
  70     virtual wxControl *GetWidget() const { return m_dirPicker; }
  71     virtual void RecreateWidget() { RecreatePicker(); }
  72
  73     // lazy creation of the content
  74     virtual void CreateContent();
  75
  76 protected:
  77
  78     // called only once at first construction
  79     void CreatePicker();
  80
  81     // called to recreate an existing control
  82     void RecreatePicker();
  83
  84     // restore the checkboxes state to the initial values
  85     void Reset();
  86
  87     // get the initial style for the picker of the given kind
  88     long GetPickerStyle();
  89
  90
  91     void OnDirChange(wxFileDirPickerEvent &ev);
  92     void OnCheckBox(wxCommandEvent &ev);
  93     void OnButtonReset(wxCommandEvent &ev);
  94     void OnButtonSetDir(wxCommandEvent &ev);
  95
  96
  97     // the picker
  98     wxDirPickerCtrl *m_dirPicker;
  99
 100
 101     // other controls
 102     // --------------
 103
 104     wxCheckBox *m_chkDirTextCtrl,
 105                *m_chkDirChangeDir,
 106                *m_chkDirMustExist,
 107                *m_chkSmall;
 108     wxTextCtrl *m_textInitialDir;
 109
 110     wxBoxSizer *m_sizer;
 111
 112 private:
 113     DECLARE_EVENT_TABLE()
 114     DECLARE_WIDGETS_PAGE(DirPickerWidgetsPage)
 115 };
 116
 117 // ----------------------------------------------------------------------------
 118 // event tables
 119 // ----------------------------------------------------------------------------
 120
 121 BEGIN_EVENT_TABLE(DirPickerWidgetsPage, WidgetsPage)
 122     EVT_BUTTON(PickerPage_Reset, DirPickerWidgetsPage::OnButtonReset)
 123     EVT_BUTTON(PickerPage_SetDir, DirPickerWidgetsPage::OnButtonSetDir)
 124
 125     EVT_DIRPICKER_CHANGED(PickerPage_Dir, DirPickerWidgetsPage::OnDirChange)
 126
 127     EVT_CHECKBOX(wxID_ANY, DirPickerWidgetsPage::OnCheckBox)
 128 END_EVENT_TABLE()
 129
 130 // ============================================================================
 131 // implementation
 132 // ============================================================================
 133
 134 #if defined(__WXGTK24__)
 135     #define FAMILY_CTRLS NATIVE_CTRLS
 136 #else
 137     #define FAMILY_CTRLS GENERIC_CTRLS
 138 #endif
 139
 140 IMPLEMENT_WIDGETS_PAGE(DirPickerWidgetsPage, wxT("DirPicker"),
 141                        PICKER_CTRLS | FAMILY_CTRLS);
 142
 143 DirPickerWidgetsPage::DirPickerWidgetsPage(WidgetsBookCtrl *book,
 144                                      wxImageList *imaglist)
 145                   : WidgetsPage(book, imaglist, dirpicker_xpm)
 146 {
 147 }
 148
 149 void DirPickerWidgetsPage::CreateContent()
 150 {
 151     // left pane
 152     wxSizer *boxleft = new wxBoxSizer(wxVERTICAL);
 153
 154     wxStaticBoxSizer *dirbox = new wxStaticBoxSizer(wxVERTICAL, this, wxT("&DirPicker style"));
 155     m_chkDirTextCtrl = CreateCheckBoxAndAddToSizer(dirbox, wxT("With textctrl"));
 156     m_chkDirMustExist = CreateCheckBoxAndAddToSizer(dirbox, wxT("Dir must exist"));
 157     m_chkDirChangeDir = CreateCheckBoxAndAddToSizer(dirbox, wxT("Change working dir"));
 158     m_chkSmall = CreateCheckBoxAndAddToSizer(dirbox, "&Small version");
 159     boxleft->Add(dirbox, 0, wxALL|wxGROW, 5);
 160
 161     boxleft->Add(CreateSizerWithTextAndButton
 162                  (
 163                     PickerPage_SetDir,
 164                     "&Initial directory",
 165                     wxID_ANY,
 166                     &m_textInitialDir
 167                  ), wxSizerFlags().Expand().Border());
 168
 169     boxleft->AddSpacer(10);
 170
 171     boxleft->Add(new wxButton(this, PickerPage_Reset, wxT("&Reset")),
 172                  0, wxALIGN_CENTRE_HORIZONTAL | wxALL, 15);
 173
 174     Reset();    // set checkboxes state
 175
 176     // create pickers
 177     m_dirPicker = NULL;
 178     CreatePicker();
 179
 180     // right pane
 181     m_sizer = new wxBoxSizer(wxVERTICAL);
 182     m_sizer->Add(1, 1, 1, wxGROW | wxALL, 5); // spacer
 183     m_sizer->Add(m_dirPicker, 0, wxEXPAND|wxALL, 5);
 184     m_sizer->Add(1, 1, 1, wxGROW | wxALL, 5); // spacer
 185
 186     // global pane
 187     wxSizer *sz = new wxBoxSizer(wxHORIZONTAL);
 188     sz->Add(boxleft, 0, wxGROW|wxALL, 5);
 189     sz->Add(m_sizer, 1, wxGROW|wxALL, 5);
 190
 191     SetSizer(sz);
 192 }
 193
 194 void DirPickerWidgetsPage::CreatePicker()
 195 {
 196     delete m_dirPicker;
 197
 198     m_dirPicker = new wxDirPickerCtrl(this, PickerPage_Dir,
 199                                         wxGetHomeDir(), wxT("Hello!"),
 200                                         wxDefaultPosition, wxDefaultSize,
 201                                         GetPickerStyle());
 202 }
 203
 204 long DirPickerWidgetsPage::GetPickerStyle()
 205 {
 206     long style = 0;
 207
 208     if ( m_chkDirTextCtrl->GetValue() )
 209         style |= wxDIRP_USE_TEXTCTRL;
 210
 211     if ( m_chkDirMustExist->GetValue() )
 212         style |= wxDIRP_DIR_MUST_EXIST;
 213
 214     if ( m_chkDirChangeDir->GetValue() )
 215         style |= wxDIRP_CHANGE_DIR;
 216
 217     if ( m_chkSmall->GetValue() )
 218         style |= wxDIRP_SMALL;
 219
 220     return style;
 221 }
 222
 223 void DirPickerWidgetsPage::RecreatePicker()
 224 {
 225     m_sizer->Remove(1);
 226     CreatePicker();
 227     m_sizer->Insert(1, m_dirPicker, 0, wxEXPAND|wxALL, 5);
 228
 229     m_sizer->Layout();
 230 }
 231
 232 void DirPickerWidgetsPage::Reset()
 233 {
 234     m_chkDirTextCtrl->SetValue((wxDIRP_DEFAULT_STYLE & wxDIRP_USE_TEXTCTRL) != 0);
 235     m_chkDirMustExist->SetValue((wxDIRP_DEFAULT_STYLE & wxDIRP_DIR_MUST_EXIST) != 0);
 236     m_chkDirChangeDir->SetValue((wxDIRP_DEFAULT_STYLE & wxDIRP_CHANGE_DIR) != 0);
 237     m_chkSmall->SetValue((wxFLP_DEFAULT_STYLE & wxDIRP_SMALL) != 0);
 238 }
 239
 240
 241 // ----------------------------------------------------------------------------
 242 // event handlers
 243 // ----------------------------------------------------------------------------
 244
 245 void DirPickerWidgetsPage::OnButtonSetDir(wxCommandEvent& WXUNUSED(event))
 246 {
 247     m_dirPicker->SetInitialDirectory(m_textInitialDir->GetValue());
 248 }
 249
 250 void DirPickerWidgetsPage::OnButtonReset(wxCommandEvent& WXUNUSED(event))
 251 {
 252     Reset();
 253     RecreatePicker();
 254 }
 255
 256 void DirPickerWidgetsPage::OnDirChange(wxFileDirPickerEvent& event)
 257 {
 258     wxLogMessage(wxT("The directory changed to '%s' ! The current working directory is '%s'"),
 259                  event.GetPath().c_str(), wxGetCwd().c_str());
 260 }
 261
 262 void DirPickerWidgetsPage::OnCheckBox(wxCommandEvent &event)
 263 {
 264     if (event.GetEventObject() == m_chkDirTextCtrl ||
 265         event.GetEventObject() == m_chkDirChangeDir ||
 266         event.GetEventObject() == m_chkDirMustExist ||
 267         event.GetEventObject() == m_chkSmall)
 268         RecreatePicker();
 269 }
 270
 271 #endif  //  wxUSE_DIRPICKERCTRL