samples/dataview/dataview.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        dataview.cpp
   3 // Purpose:     DataVewCtrl  wxWidgets sample
   4 // Author:      Robert Roebling
   5 // Modified by:
   6 // Created:     06/01/06
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Robert Roebling
   9 // Licence:     wxWindows license
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // For compilers that support precompilation, includes "wx/wx.h".
  13 #include "wx/wxprec.h"
  14
  15 #ifdef __BORLANDC__
  16 #pragma hdrstop
  17 #endif
  18
  19 #ifndef WX_PRECOMP
  20 #include "wx/wx.h"
  21 #endif
  22
  23 #ifndef __WXMSW__
  24 #include "mondrian.xpm"
  25 #endif
  26
  27 // -------------------- wxDataViewControl --------------------
  28
  29 // wxDataViewStore
  30
  31 class wxDataViewStore
  32 {
  33 public:
  34     wxDataViewStore() { }
  35     virtual ~wxDataViewStore() { }
  36
  37 protected:
  38     DECLARE_NO_COPY_CLASS(wxDataViewStore)
  39 };
  40
  41
  42 // wxDataViewListStoreBase
  43
  44 class wxDataViewListStoreBase: public wxDataViewStore
  45 {
  46 public:
  47     wxDataViewListStoreBase() { }
  48
  49     virtual bool AppendRow() = 0;
  50
  51 protected:
  52     DECLARE_NO_COPY_CLASS(wxDataViewListStoreBase)
  53 };
  54
  55
  56 // wxDataViewCtrlBase
  57
  58 class wxDataViewCtrlBase: public wxControl
  59 {
  60 public:
  61     wxDataViewCtrlBase();
  62
  63     // Define public API here
  64
  65     virtual bool AppendStringColumn( const wxString &label, int index ) = 0;
  66
  67     virtual bool AssociateStore( wxDataViewStore *store );
  68     wxDataViewStore* GetStore();
  69
  70 private:
  71     wxDataViewStore     *m_store;
  72
  73 protected:
  74     DECLARE_NO_COPY_CLASS(wxDataViewCtrlBase)
  75 };
  76
  77
  78 // -------------------- GTK2 header --------------------
  79
  80 #ifdef __WXGTK20__
  81
  82 #include "wx/gtk/private.h"
  83
  84 class wxDataViewListStore: public wxDataViewListStoreBase
  85 {
  86 public:
  87     wxDataViewListStore();
  88
  89     // interface
  90     virtual bool AppendRow();
  91
  92     // implementation
  93     GtkListStore* GetGtkListStore() { return m_store; }
  94
  95 private:
  96     GtkListStore  *m_store;
  97
  98 protected:
  99     DECLARE_NO_COPY_CLASS(wxDataViewListStore)
 100 };
 101
 102 class wxDataViewCtrl: public wxDataViewCtrlBase
 103 {
 104 public:
 105     wxDataViewCtrl()
 106     {
 107         Init();
 108     }
 109
 110     wxDataViewCtrl( wxWindow *parent, wxWindowID id,
 111            const wxPoint& pos = wxDefaultPosition,
 112            const wxSize& size = wxDefaultSize, long style = 0,
 113            const wxValidator& validator = wxDefaultValidator )
 114     {
 115         Create(parent, id, pos, size, style, validator );
 116     }
 117
 118     virtual ~wxDataViewCtrl();
 119
 120     void Init();
 121
 122     bool Create(wxWindow *parent, wxWindowID id,
 123            const wxPoint& pos = wxDefaultPosition,
 124            const wxSize& size = wxDefaultSize, long style = 0,
 125            const wxValidator& validator = wxDefaultValidator );
 126
 127     virtual bool AppendStringColumn( const wxString &label, int index );
 128
 129     virtual bool AssociateStore( wxDataViewStore *store );
 130
 131
 132 private:
 133     DECLARE_DYNAMIC_CLASS(wxDataViewCtrl)
 134     DECLARE_NO_COPY_CLASS(wxDataViewCtrl)
 135 };
 136
 137 #endif
 138
 139 // -------------------- wxDataViewControl --------------------
 140
 141 wxDataViewCtrlBase::wxDataViewCtrlBase()
 142 {
 143     m_store = NULL;
 144 }
 145
 146 bool wxDataViewCtrlBase::AssociateStore( wxDataViewStore *store )
 147 {
 148     m_store = store;
 149
 150     return true;
 151 }
 152
 153 wxDataViewStore* wxDataViewCtrlBase::GetStore()
 154 {
 155     return m_store;
 156 }
 157
 158 IMPLEMENT_DYNAMIC_CLASS(wxDataViewCtrl,wxControl)
 159
 160 // -------------------- GTK2 implementaion --------------------
 161
 162 #ifdef __WXGTK20__
 163
 164 // wxDataViewListStore
 165
 166 wxDataViewListStore::wxDataViewListStore()
 167 {
 168     m_store = gtk_list_store_new( 3, G_TYPE_STRING, G_TYPE_STRING, G_TYPE_STRING );
 169 }
 170
 171 bool wxDataViewListStore::AppendRow()
 172 {
 173     GtkTreeIter iter;
 174     gtk_list_store_append( m_store, &iter );
 175
 176     return true;
 177 }
 178
 179
 180 // wxDataViewCtrl
 181
 182 wxDataViewCtrl::~wxDataViewCtrl()
 183 {
 184 }
 185
 186 void wxDataViewCtrl::Init()
 187 {
 188 }
 189
 190 bool wxDataViewCtrl::Create(wxWindow *parent, wxWindowID id,
 191            const wxPoint& pos, const wxSize& size,
 192            long style, const wxValidator& validator )
 193 {
 194     Init();
 195
 196     m_needParent = TRUE;
 197     m_acceptsFocus = TRUE;
 198
 199     if (!PreCreation( parent, pos, size ) ||
 200         !CreateBase( parent, id, pos, size, style, validator ))
 201     {
 202         wxFAIL_MSG( wxT("wxDataViewCtrl creation failed") );
 203         return FALSE;
 204     }
 205
 206     m_widget = gtk_tree_view_new();
 207
 208     m_parent->DoAddChild( this );
 209
 210     PostCreation(size);
 211
 212     return true;
 213 }
 214
 215 bool wxDataViewCtrl::AppendStringColumn( const wxString &label, int index )
 216 {
 217     GtkCellRenderer *renderer
 218         = gtk_cell_renderer_text_new();
 219
 220     GtkTreeViewColumn *column
 221         = gtk_tree_view_column_new_with_attributes( wxGTK_CONV(label), renderer, "text", index, NULL );
 222
 223     gtk_tree_view_append_column( GTK_TREE_VIEW(m_widget), column );
 224
 225     return true;
 226 }
 227
 228 bool wxDataViewCtrl::AssociateStore( wxDataViewStore *store )
 229 {
 230     wxDataViewCtrlBase::AssociateStore( store );
 231
 232     // Right now we only have the GTK+ port's
 233     // list store variant, so cast to that...
 234
 235     wxDataViewListStore *liststore = (wxDataViewListStore*) store;
 236
 237     gtk_tree_view_set_model( GTK_TREE_VIEW(m_widget), GTK_TREE_MODEL(liststore->GetGtkListStore()) );
 238
 239     return true;
 240 }
 241
 242 #endif
 243
 244 // -------------------- wxDataViewControl --------------------
 245
 246 class MyApp: public wxApp
 247 {
 248 public:
 249     bool OnInit(void);
 250 };
 251
 252 class MyFrame: public wxFrame
 253 {
 254 public:
 255     MyFrame(wxFrame *frame, wxChar *title, int x, int y, int w, int h);
 256
 257 public:
 258     void OnQuit(wxCommandEvent& event);
 259     void OnAbout(wxCommandEvent& event);
 260
 261 private:
 262     wxDataViewCtrl* dataview;
 263 };
 264
 265 // ID for the menu commands
 266 #define DYNAMIC_QUIT   wxID_EXIT
 267 #define DYNAMIC_ABOUT  wxID_ABOUT
 268
 269 // Create a new application object
 270 IMPLEMENT_APP  (MyApp)
 271
 272 // `Main program' equivalent, creating windows and returning main app frame
 273 bool MyApp::OnInit(void)
 274 {
 275     // Create the main frame window
 276     MyFrame *frame = new MyFrame(NULL, _T("Dynamic wxWidgets App"), 50, 50, 450, 340);
 277
 278     // Show the frame
 279     frame->Show(true);
 280
 281     SetTopWindow(frame);
 282
 283     return true;
 284 }
 285
 286 // -------------------------------------
 287 // MyFrame
 288 // -------------------------------------
 289
 290 // My frame constructor
 291 MyFrame::MyFrame(wxFrame *frame, wxChar *title, int x, int y, int w, int h):
 292   wxFrame(frame, wxID_ANY, title, wxPoint(x, y), wxSize(w, h))
 293 {
 294     // Give it an icon
 295 #ifdef __WXMSW__
 296     SetIcon(wxIcon(_T("mondrian")));
 297 #else
 298     SetIcon(wxIcon(mondrian_xpm));
 299 #endif
 300
 301     // Make a menubar
 302     wxMenu *file_menu = new wxMenu;
 303
 304     file_menu->Append(DYNAMIC_ABOUT, _T("&About"));
 305     file_menu->Append(DYNAMIC_QUIT, _T("E&xit"));
 306     wxMenuBar *menu_bar = new wxMenuBar;
 307     menu_bar->Append(file_menu, _T("&File"));
 308     SetMenuBar(menu_bar);
 309
 310     // You used to have to do some casting for param 4, but now there are type-safe handlers
 311     Connect( DYNAMIC_QUIT,  wxID_ANY,
 312                     wxEVT_COMMAND_MENU_SELECTED, wxCommandEventHandler(MyFrame::OnQuit) );
 313     Connect( DYNAMIC_ABOUT, wxID_ANY,
 314                     wxEVT_COMMAND_MENU_SELECTED, wxCommandEventHandler(MyFrame::OnAbout) );
 315
 316     CreateStatusBar();
 317
 318
 319     dataview = new wxDataViewCtrl( this, -1 );
 320     dataview->AppendStringColumn( wxT("first"), 0 );
 321     dataview->AppendStringColumn( wxT("second"), 1 );
 322     dataview->AppendStringColumn( wxT("third"), 2 );
 323
 324     wxDataViewListStore *store = new wxDataViewListStore;
 325     store->AppendRow();
 326     store->AppendRow();
 327     store->AppendRow();
 328     store->AppendRow();
 329
 330     dataview->AssociateStore( store );
 331 }
 332
 333 void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event) )
 334 {
 335     Close(true);
 336 }
 337
 338 void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event) )
 339 {
 340     wxMessageDialog dialog(this, _T("This demonstrates the dataview control handling"),
 341         _T("About DataView"), wxOK);
 342
 343     dialog.ShowModal();
 344 }
 345
 346