samples/layout/layout.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        layout.cpp
   3 // Purpose:     Layout sample
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     04/01/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart and Markus Holzem
   9 // Licence:     wxWindows license
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // ----------------------------------------------------------------------------
  13 // headers
  14 // ----------------------------------------------------------------------------
  15
  16 // For compilers that support precompilation, includes "wx/wx.h".
  17 #include "wx/wxprec.h"
  18
  19 #ifdef __BORLANDC__
  20 #pragma hdrstop
  21 #endif
  22
  23 #ifndef WX_PRECOMP
  24 #include "wx/wx.h"
  25 #endif
  26
  27 #if !wxUSE_CONSTRAINTS
  28 #error You must set wxUSE_CONSTRAINTS to 1 in setup.h!
  29 #endif
  30
  31 #include "wx/sizer.h"
  32 #include "wx/statline.h"
  33 #include "wx/notebook.h"
  34
  35 #include "layout.h"
  36
  37 // ----------------------------------------------------------------------------
  38 // MyApp
  39 // ----------------------------------------------------------------------------
  40
  41 IMPLEMENT_APP(MyApp)
  42
  43 MyApp::MyApp()
  44 {
  45 }
  46
  47 bool MyApp::OnInit()
  48 {
  49   // Create the main frame window
  50   MyFrame *frame = new MyFrame;
  51
  52   frame->Show(TRUE);
  53
  54   return TRUE;
  55 }
  56
  57 // ----------------------------------------------------------------------------
  58 // MyFrame
  59 // ----------------------------------------------------------------------------
  60
  61 BEGIN_EVENT_TABLE(MyFrame, wxFrame)
  62   EVT_MENU(LAYOUT_ABOUT, MyFrame::OnAbout)
  63   EVT_MENU(LAYOUT_QUIT, MyFrame::OnQuit)
  64
  65   EVT_MENU(LAYOUT_TEST_CONSTRAINTS, MyFrame::TestConstraints)
  66   EVT_MENU(LAYOUT_TEST_SIZER, MyFrame::TestFlexSizers)
  67   EVT_MENU(LAYOUT_TEST_NB_SIZER, MyFrame::TestNotebookSizers)
  68 END_EVENT_TABLE()
  69
  70 // Define my frame constructor
  71 MyFrame::MyFrame()
  72        : wxFrame(NULL, -1, _T("wxWindows Layout Demo"),
  73                  wxDefaultPosition, wxDefaultSize,
  74                  wxDEFAULT_FRAME_STYLE | wxNO_FULL_REPAINT_ON_RESIZE)
  75 {
  76   // Make a menubar
  77   wxMenu *file_menu = new wxMenu;
  78
  79   file_menu->Append(LAYOUT_TEST_CONSTRAINTS, _T("Test &constraints"));
  80   file_menu->Append(LAYOUT_TEST_SIZER, _T("Test wx&FlexSizer"));
  81   file_menu->Append(LAYOUT_TEST_NB_SIZER, _T("&Test notebook sizers"));
  82
  83   file_menu->AppendSeparator();
  84   file_menu->Append(LAYOUT_QUIT, _T("E&xit"), _T("Quit program"));
  85
  86   wxMenu *help_menu = new wxMenu;
  87   help_menu->Append(LAYOUT_ABOUT, _T("&About"), _T("About layout demo"));
  88
  89   wxMenuBar *menu_bar = new wxMenuBar;
  90
  91   menu_bar->Append(file_menu, _T("&File"));
  92   menu_bar->Append(help_menu, _T("&Help"));
  93
  94   // Associate the menu bar with the frame
  95   SetMenuBar(menu_bar);
  96
  97   CreateStatusBar(2);
  98   SetStatusText(_T("wxWindows layout demo"));
  99
 100
 101   // we want to get a dialog that is stretchable because it
 102   // has a text ctrl in the middle. at the bottom, we have
 103   // two buttons which.
 104
 105   wxBoxSizer *topsizer = new wxBoxSizer( wxVERTICAL );
 106
 107   // 1) top: create wxStaticText with minimum size equal to its default size
 108   topsizer->Add(
 109     new wxStaticText( this, -1, _T("An explanation (wxALIGN_RIGHT).") ),
 110     0,                         // make vertically unstretchable
 111     wxALIGN_RIGHT |            // right align text
 112     wxTOP | wxLEFT | wxRIGHT,  // make border all around except wxBOTTOM
 113     5 );                      // set border width to 5
 114
 115   // 2) top: create wxTextCtrl with minimum size (100x60)
 116   topsizer->Add(
 117     new wxTextCtrl( this, -1, _T("My text (wxEXPAND)."), wxDefaultPosition, wxSize(100,60), wxTE_MULTILINE),
 118     1,            // make vertically stretchable
 119     wxEXPAND |    // make horizontally stretchable
 120     wxALL,        //   and make border all around
 121     5 );         // set border width to 5
 122
 123   // 2.5) Gratuitous test of wxStaticBoxSizers
 124   wxBoxSizer *statsizer = new wxStaticBoxSizer(
 125     new wxStaticBox(this, -1, _T("A wxStaticBoxSizer")),
 126     wxVERTICAL );
 127   statsizer->Add(
 128     new wxStaticText(this, -1, _T("And some TEXT inside it")),
 129     0,
 130     wxCENTER |
 131     wxALL,
 132     30);
 133   topsizer->Add(statsizer, 1, wxEXPAND | wxALL, 10);
 134
 135     // 2.7) And a test of wxGridSizer
 136     wxGridSizer *gridsizer = new wxGridSizer(2, 5, 5);
 137     gridsizer->Add(new wxStaticText(this, -1, _T("Label")), 0,
 138                   wxALIGN_RIGHT | wxALIGN_CENTER_VERTICAL);
 139     gridsizer->Add(new wxTextCtrl(this, -1, _T("Grid sizer demo")), 1,
 140                    wxGROW | wxALIGN_CENTER_VERTICAL);
 141     gridsizer->Add(new wxStaticText(this, -1, _T("Another label")), 0,
 142                    wxALIGN_RIGHT | wxALIGN_CENTER_VERTICAL);
 143     gridsizer->Add(new wxTextCtrl(this, -1, _T("More text")), 1,
 144                    wxGROW | wxALIGN_CENTER_VERTICAL);
 145     gridsizer->Add(new wxStaticText(this, -1, _T("Final label")), 0,
 146                    wxALIGN_RIGHT | wxALIGN_CENTER_VERTICAL);
 147     gridsizer->Add(new wxTextCtrl(this, -1, _T("And yet more text")), 1,
 148                    wxGROW | wxALIGN_CENTER_VERTICAL);
 149     topsizer->Add(gridsizer, 1, wxGROW | wxALL, 10);
 150
 151
 152   // 3) middle: create wxStaticLine with minimum size (3x3)
 153   topsizer->Add(
 154      new wxStaticLine( this, -1, wxDefaultPosition, wxSize(3,3), wxHORIZONTAL),
 155      0,           // make vertically unstretchable
 156      wxEXPAND |   // make horizontally stretchable
 157      wxALL,       //   and make border all around
 158      5 );         // set border width to 5
 159
 160
 161   // 4) bottom: create two centred wxButtons
 162   wxBoxSizer *button_box = new wxBoxSizer( wxHORIZONTAL );
 163   button_box->Add(
 164      new wxButton( this, -1, _T("Two buttons in a box") ),
 165      0,           // make horizontally unstretchable
 166      wxALL,       // make border all around
 167      7 );         // set border width to 7
 168   button_box->Add(
 169      new wxButton( this, -1, _T("(wxCENTER)") ),
 170      0,           // make horizontally unstretchable
 171      wxALL,       // make border all around
 172      7 );         // set border width to 7
 173
 174   topsizer->Add(
 175      button_box,
 176      0,          // make vertically unstretchable
 177      wxCENTER ); // no border and centre horizontally
 178
 179   // don't allow frame to get smaller than what the sizers tell it and also set
 180   // the initial size as calculated by the sizers
 181   topsizer->SetSizeHints( this );
 182
 183   SetSizer( topsizer );
 184 }
 185
 186 void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event) )
 187 {
 188     Close(TRUE);
 189 }
 190
 191 void MyFrame::TestConstraints(wxCommandEvent& WXUNUSED(event) )
 192 {
 193     MyConstraintsFrame *
 194         newFrame = new MyConstraintsFrame(_T("Constraints Test Frame"), 100, 100);
 195     newFrame->Show(TRUE);
 196 }
 197
 198 void MyFrame::TestFlexSizers(wxCommandEvent& WXUNUSED(event) )
 199 {
 200     MyFlexSizerFrame *newFrame = new MyFlexSizerFrame(_T("Flex Sizer Test Frame"), 50, 50);
 201     newFrame->Show(TRUE);
 202 }
 203
 204 void MyFrame::TestNotebookSizers(wxCommandEvent& WXUNUSED(event) )
 205 {
 206     MySizerDialog dialog( this, _T("Notebook Sizer Test Dialog") );
 207
 208     dialog.ShowModal();
 209 }
 210
 211
 212 void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event) )
 213 {
 214     (void)wxMessageBox(_T("wxWindows GUI library layout demo\n"),
 215             _T("About Layout Demo"), wxOK|wxICON_INFORMATION);
 216 }
 217
 218 // ----------------------------------------------------------------------------
 219 // MyConstraintsFrame
 220 // ----------------------------------------------------------------------------
 221
 222 MyConstraintsFrame::MyConstraintsFrame(const wxChar *title, int x, int y)
 223                   : wxFrame(NULL, -1, title, wxPoint(x, y) )
 224 {
 225   // Make a panel
 226   wxPanel *panel = new wxPanel(this);
 227
 228   // Create some panel items
 229   wxButton *btn1 = new wxButton(panel, -1, _T("A button (1)")) ;
 230
 231   wxLayoutConstraints *b1 = new wxLayoutConstraints;
 232   b1->centreX.SameAs    (panel, wxCentreX);
 233   b1->top.SameAs        (panel, wxTop, 5);
 234   b1->width.PercentOf   (panel, wxWidth, 80);
 235   b1->height.AsIs       ();
 236   btn1->SetConstraints(b1);
 237
 238   wxListBox *list = new wxListBox(panel, -1,
 239                                   wxPoint(-1, -1), wxSize(200, 100));
 240   list->Append(_T("Apple"));
 241   list->Append(_T("Pear"));
 242   list->Append(_T("Orange"));
 243   list->Append(_T("Banana"));
 244   list->Append(_T("Fruit"));
 245
 246   wxLayoutConstraints *b2 = new wxLayoutConstraints;
 247   b2->top.Below         (btn1, 5);
 248   b2->left.SameAs       (panel, wxLeft, 5);
 249   b2->width.PercentOf   (panel, wxWidth, 40);
 250   b2->bottom.SameAs     (panel, wxBottom, 5);
 251   list->SetConstraints(b2);
 252
 253   wxTextCtrl *mtext = new wxTextCtrl(panel, -1,
 254                                      _T("This frame is laid out using\n"
 255                                         "constraints, but the preferred\n"
 256                                         "layout mechanism now are sizers."),
 257                                      wxDefaultPosition,
 258                                      wxDefaultSize,
 259                                      wxTE_MULTILINE);
 260
 261   wxLayoutConstraints *b3 = new wxLayoutConstraints;
 262   b3->top.Below         (btn1, 5);
 263   b3->left.RightOf      (list, 5);
 264   b3->right.SameAs      (panel, wxRight, 5);
 265   b3->bottom.SameAs     (panel, wxBottom, 5);
 266   mtext->SetConstraints(b3);
 267
 268   wxTextCtrl *canvas = new wxTextCtrl(this, -1, _T("yet another window"));
 269
 270   // Make a text window
 271   wxTextCtrl *text_window = new wxTextCtrl(this, -1, _T(""),
 272                                            wxDefaultPosition,
 273                                            wxDefaultSize,
 274                                            wxTE_MULTILINE);
 275
 276   // Set constraints for panel subwindow
 277   wxLayoutConstraints *c1 = new wxLayoutConstraints;
 278
 279   c1->left.SameAs       (this, wxLeft);
 280   c1->top.SameAs        (this, wxTop);
 281   c1->right.PercentOf   (this, wxWidth, 50);
 282   c1->height.PercentOf  (this, wxHeight, 50);
 283
 284   panel->SetConstraints(c1);
 285
 286   // Set constraints for canvas subwindow
 287   wxLayoutConstraints *c2 = new wxLayoutConstraints;
 288
 289   c2->left.SameAs       (panel, wxRight);
 290   c2->top.SameAs        (this, wxTop);
 291   c2->right.SameAs      (this, wxRight);
 292   c2->height.PercentOf  (this, wxHeight, 50);
 293
 294   canvas->SetConstraints(c2);
 295
 296   // Set constraints for text subwindow
 297   wxLayoutConstraints *c3 = new wxLayoutConstraints;
 298   c3->left.SameAs       (this, wxLeft);
 299   c3->top.Below         (panel);
 300   c3->right.SameAs      (this, wxRight);
 301   c3->bottom.SameAs     (this, wxBottom);
 302
 303   text_window->SetConstraints(c3);
 304
 305   SetAutoLayout(TRUE);
 306 }
 307
 308 // ----------------------------------------------------------------------------
 309 //  MyFlexSizerFrame
 310 // ----------------------------------------------------------------------------
 311
 312 void MyFlexSizerFrame::InitFlexSizer(wxFlexGridSizer *sizer)
 313 {
 314     for ( int i = 0; i < 3; i++ )
 315     {
 316         for ( int j = 0; j < 3; j++ )
 317         {
 318             sizer->Add(new wxStaticText
 319                            (
 320                             this,
 321                             -1,
 322                             wxString::Format(_T("(%d, %d)"), i + 1, j + 1),
 323                             wxDefaultPosition,
 324                             wxDefaultSize,
 325                             wxALIGN_CENTER
 326                            ),
 327                        0, wxEXPAND | wxALIGN_CENTER_VERTICAL | wxALL, 3);
 328         }
 329     }
 330 }
 331
 332 MyFlexSizerFrame::MyFlexSizerFrame(const wxChar *title, int x, int y )
 333             : wxFrame(NULL, -1, title, wxPoint(x, y) )
 334 {
 335     wxFlexGridSizer *sizerFlex;
 336
 337     // consttuct the first column
 338     wxSizer *sizerCol1 = new wxBoxSizer(wxVERTICAL);
 339     sizerCol1->Add(new wxStaticText(this, -1, _T("Ungrowable:")), 0, wxCENTER | wxTOP, 20);
 340     sizerFlex = new wxFlexGridSizer(3, 3);
 341     InitFlexSizer(sizerFlex);
 342     sizerCol1->Add(sizerFlex, 1, wxALL | wxEXPAND, 10);
 343
 344     sizerCol1->Add(new wxStaticText(this, -1, _T("Growable middle column:")), 0, wxCENTER | wxTOP, 20);
 345     sizerFlex = new wxFlexGridSizer(3, 3);
 346     InitFlexSizer(sizerFlex);
 347     sizerFlex->AddGrowableCol(1);
 348     sizerCol1->Add(sizerFlex, 1, wxALL | wxEXPAND, 10);
 349
 350     sizerCol1->Add(new wxStaticText(this, -1, _T("Growable middle row:")), 0, wxCENTER | wxTOP, 20);
 351     sizerFlex = new wxFlexGridSizer(3, 3);
 352     InitFlexSizer(sizerFlex);
 353     sizerFlex->AddGrowableRow(1);
 354     sizerCol1->Add(sizerFlex, 1, wxALL | wxEXPAND, 10);
 355
 356     sizerCol1->Add(new wxStaticText(this, -1, _T("All growable columns:")), 0, wxCENTER | wxTOP, 20);
 357     sizerFlex = new wxFlexGridSizer(3, 3);
 358     InitFlexSizer(sizerFlex);
 359     sizerFlex->AddGrowableCol(0, 1);
 360     sizerFlex->AddGrowableCol(1, 2);
 361     sizerFlex->AddGrowableCol(2, 3);
 362     sizerCol1->Add(sizerFlex, 1, wxALL | wxEXPAND, 10);
 363
 364     // the second one
 365     wxSizer *sizerCol2 = new wxBoxSizer(wxVERTICAL);
 366     sizerCol2->Add(new wxStaticText(this, -1, _T("Growable middle row and column:")), 0, wxCENTER | wxTOP, 20);
 367     sizerFlex = new wxFlexGridSizer(3, 3);
 368     InitFlexSizer(sizerFlex);
 369     sizerFlex->AddGrowableCol(1);
 370     sizerFlex->AddGrowableRow(1);
 371     sizerCol2->Add(sizerFlex, 1, wxALL | wxEXPAND, 10);
 372
 373     sizerCol2->Add(new wxStaticText(this, -1, _T("Same with horz flex direction")), 0, wxCENTER | wxTOP, 20);
 374     sizerFlex = new wxFlexGridSizer(3, 3);
 375     InitFlexSizer(sizerFlex);
 376     sizerFlex->AddGrowableCol(1);
 377     sizerFlex->AddGrowableRow(1);
 378     sizerFlex->SetFlexibleDirection(wxHORIZONTAL);
 379     sizerCol2->Add(sizerFlex, 1, wxALL | wxEXPAND, 10);
 380
 381     sizerCol2->Add(new wxStaticText(this, -1, _T("Same with grow mode == \"none\"")), 0, wxCENTER | wxTOP, 20);
 382     sizerFlex = new wxFlexGridSizer(3, 3);
 383     InitFlexSizer(sizerFlex);
 384     sizerFlex->AddGrowableCol(1);
 385     sizerFlex->AddGrowableRow(1);
 386     sizerFlex->SetFlexibleDirection(wxHORIZONTAL);
 387     sizerFlex->SetNonFlexibleGrowMode(wxFLEX_GROWMODE_NONE);
 388     sizerCol2->Add(sizerFlex, 1, wxALL | wxEXPAND, 10);
 389
 390     sizerCol2->Add(new wxStaticText(this, -1, _T("Same with grow mode == \"all\"")), 0, wxCENTER | wxTOP, 20);
 391     sizerFlex = new wxFlexGridSizer(3, 3);
 392     InitFlexSizer(sizerFlex);
 393     sizerFlex->AddGrowableCol(1);
 394     sizerFlex->AddGrowableRow(1);
 395     sizerFlex->SetFlexibleDirection(wxHORIZONTAL);
 396     sizerFlex->SetNonFlexibleGrowMode(wxFLEX_GROWMODE_ALL);
 397     sizerCol2->Add(sizerFlex, 1, wxALL | wxEXPAND, 10);
 398
 399     // add both columns to grid sizer
 400     wxGridSizer *sizerTop = new wxGridSizer(2, 0, 20);
 401     sizerTop->Add(sizerCol1, 1, wxEXPAND);
 402     sizerTop->Add(sizerCol2, 1, wxEXPAND);
 403
 404     SetSizer(sizerTop);
 405     sizerTop->SetSizeHints(this);
 406 }
 407
 408 // ----------------------------------------------------------------------------
 409 // MySizerDialog
 410 // ----------------------------------------------------------------------------
 411
 412 MySizerDialog::MySizerDialog(wxWindow *parent, const wxChar *title)
 413              : wxDialog(parent, -1, wxString(title))
 414 {
 415     // Begin with first hierarchy: a notebook at the top and
 416     // and OK button at the bottom.
 417
 418     wxBoxSizer *topsizer = new wxBoxSizer( wxVERTICAL );
 419
 420     wxNotebook *notebook = new wxNotebook( this, -1 );
 421     wxNotebookSizer *nbs = new wxNotebookSizer( notebook );
 422     topsizer->Add( nbs, 1, wxGROW );
 423
 424     wxButton *button = new wxButton( this, wxID_OK, _T("OK") );
 425     topsizer->Add( button, 0, wxALIGN_RIGHT | wxALL, 10 );
 426
 427     // First page: one big text ctrl
 428     wxTextCtrl *multi = new wxTextCtrl( notebook, -1, _T("TextCtrl."), wxDefaultPosition, wxDefaultSize, wxTE_MULTILINE );
 429     notebook->AddPage( multi, _T("Page One") );
 430
 431     // Second page: a text ctrl and a button
 432     wxPanel *panel = new wxPanel( notebook, -1 );
 433     notebook->AddPage( panel, _T("Page Two") );
 434
 435     wxSizer *panelsizer = new wxBoxSizer( wxVERTICAL );
 436
 437     wxTextCtrl *text = new wxTextCtrl( panel, -1, _T("TextLine 1."), wxDefaultPosition, wxSize(250,-1) );
 438     panelsizer->Add( text, 0, wxGROW|wxALL, 30 );
 439     text = new wxTextCtrl( panel, -1, _T("TextLine 2."), wxDefaultPosition, wxSize(250,-1) );
 440     panelsizer->Add( text, 0, wxGROW|wxALL, 30 );
 441     wxButton *button2 = new wxButton( panel, -1, _T("Hallo") );
 442     panelsizer->Add( button2, 0, wxALIGN_RIGHT | wxLEFT|wxRIGHT|wxBOTTOM, 30 );
 443
 444     panel->SetAutoLayout( TRUE );
 445     panel->SetSizer( panelsizer );
 446
 447     // Tell dialog to use sizer
 448     SetSizer( topsizer );
 449     topsizer->SetSizeHints( this );
 450 }
 451