samples/layout/layout.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        layout.cpp
   3 // Purpose:     Layout sample
   4 // Author:      Julian Smart
   5 // Modified by: Robin Dunn, Vadim Zeitlin
   6 // Created:     04/01/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) 1998 Julian Smart
   9 //                  2005 Vadim Zeitlin
  10 // Licence:     wxWindows licence
  11 /////////////////////////////////////////////////////////////////////////////
  12
  13 // ----------------------------------------------------------------------------
  14 // headers
  15 // ----------------------------------------------------------------------------
  16
  17 // For compilers that support precompilation, includes "wx/wx.h".
  18 #include "wx/wxprec.h"
  19
  20 #ifdef __BORLANDC__
  21 #pragma hdrstop
  22 #endif
  23
  24 #ifndef WX_PRECOMP
  25 #include "wx/wx.h"
  26 #endif
  27
  28 #include "wx/sizer.h"
  29 #include "wx/gbsizer.h"
  30 #include "wx/statline.h"
  31 #include "wx/notebook.h"
  32 #include "wx/spinctrl.h"
  33 #include "wx/wrapsizer.h"
  34 #include "wx/generic/stattextg.h"
  35
  36 #include "layout.h"
  37
  38 #ifndef wxHAS_IMAGES_IN_RESOURCES
  39     #include "../sample.xpm"
  40 #endif
  41
  42
  43 // ----------------------------------------------------------------------------
  44 // MyApp
  45 // ----------------------------------------------------------------------------
  46
  47 IMPLEMENT_APP(MyApp)
  48
  49 bool MyApp::OnInit()
  50 {
  51   if ( !wxApp::OnInit() )
  52       return false;
  53
  54   // Create the main frame window
  55   MyFrame *frame = new MyFrame;
  56
  57   frame->Show(true);
  58
  59   return true;
  60 }
  61
  62 // ----------------------------------------------------------------------------
  63 // MyFrame
  64 // ----------------------------------------------------------------------------
  65
  66 BEGIN_EVENT_TABLE(MyFrame, wxFrame)
  67   EVT_MENU(LAYOUT_ABOUT, MyFrame::OnAbout)
  68   EVT_MENU(LAYOUT_QUIT, MyFrame::OnQuit)
  69
  70   EVT_MENU(LAYOUT_TEST_PROPORTIONS, MyFrame::TestProportions)
  71   EVT_MENU(LAYOUT_TEST_SIZER, MyFrame::TestFlexSizers)
  72   EVT_MENU(LAYOUT_TEST_NB_SIZER, MyFrame::TestNotebookSizers)
  73   EVT_MENU(LAYOUT_TEST_GB_SIZER, MyFrame::TestGridBagSizer)
  74   EVT_MENU(LAYOUT_TEST_SET_MINIMAL, MyFrame::TestSetMinimal)
  75   EVT_MENU(LAYOUT_TEST_NESTED, MyFrame::TestNested)
  76   EVT_MENU(LAYOUT_TEST_WRAP, MyFrame::TestWrap)
  77 END_EVENT_TABLE()
  78
  79 // Define my frame constructor
  80 MyFrame::MyFrame()
  81        : wxFrame(NULL, wxID_ANY, wxT("wxWidgets Layout Demo"))
  82 {
  83     SetIcon(wxICON(sample));
  84
  85     // Make a menubar
  86     wxMenu *file_menu = new wxMenu;
  87
  88     file_menu->Append(LAYOUT_TEST_PROPORTIONS, wxT("&Proportions demo...\tF1"));
  89     file_menu->Append(LAYOUT_TEST_SIZER, wxT("Test wx&FlexSizer...\tF2"));
  90     file_menu->Append(LAYOUT_TEST_NB_SIZER, wxT("Test &notebook sizers...\tF3"));
  91     file_menu->Append(LAYOUT_TEST_GB_SIZER, wxT("Test &gridbag sizer...\tF4"));
  92     file_menu->Append(LAYOUT_TEST_SET_MINIMAL, wxT("Test Set&ItemMinSize...\tF5"));
  93     file_menu->Append(LAYOUT_TEST_NESTED, wxT("Test nested sizer in a wxPanel...\tF6"));
  94     file_menu->Append(LAYOUT_TEST_WRAP, wxT("Test wrap sizers...\tF7"));
  95
  96     file_menu->AppendSeparator();
  97     file_menu->Append(LAYOUT_QUIT, wxT("E&xit"), wxT("Quit program"));
  98
  99     wxMenu *help_menu = new wxMenu;
 100     help_menu->Append(LAYOUT_ABOUT, wxT("&About"), wxT("About layout demo..."));
 101
 102     wxMenuBar *menu_bar = new wxMenuBar;
 103
 104     menu_bar->Append(file_menu, wxT("&File"));
 105     menu_bar->Append(help_menu, wxT("&Help"));
 106
 107     // Associate the menu bar with the frame
 108     SetMenuBar(menu_bar);
 109
 110 #if wxUSE_STATUSBAR
 111     CreateStatusBar(2);
 112     SetStatusText(wxT("wxWidgets layout demo"));
 113 #endif // wxUSE_STATUSBAR
 114
 115     wxPanel* p = new wxPanel(this, wxID_ANY);
 116
 117     // we want to get a dialog that is stretchable because it
 118     // has a text ctrl in the middle. at the bottom, we have
 119     // two buttons which.
 120
 121     wxBoxSizer *topsizer = new wxBoxSizer( wxVERTICAL );
 122
 123     // 1) top: create wxStaticText with minimum size equal to its default size
 124     topsizer->Add(
 125         new wxStaticText( p, wxID_ANY, wxT("An explanation (wxALIGN_RIGHT).") ),
 126         wxSizerFlags().Align(wxALIGN_RIGHT).Border(wxALL & ~wxBOTTOM, 5));
 127     topsizer->Add(
 128         new wxStaticText( p, wxID_ANY, wxT("An explanation (wxALIGN_LEFT).") ),
 129         wxSizerFlags().Align(wxALIGN_LEFT).Border(wxALL & ~wxBOTTOM, 5));
 130     topsizer->Add(
 131         new wxStaticText( p, wxID_ANY, wxT("An explanation (wxALIGN_CENTRE_HORIZONTAL).") ),
 132         wxSizerFlags().Align(wxALIGN_CENTRE_HORIZONTAL).Border(wxALL & ~wxBOTTOM, 5));
 133
 134     // 2) top: create wxTextCtrl with minimum size (100x60)
 135     topsizer->Add(
 136         new wxTextCtrl( p, wxID_ANY, wxT("My text (wxEXPAND)."), wxDefaultPosition, wxSize(100,60), wxTE_MULTILINE),
 137         wxSizerFlags(1).Expand().Border(wxALL, 5));
 138
 139     // 2.5) Gratuitous test of wxStaticBoxSizers
 140     wxBoxSizer *statsizer = new wxStaticBoxSizer(
 141         new wxStaticBox(p, wxID_ANY, wxT("A wxStaticBoxSizer")), wxVERTICAL );
 142     statsizer->Add(
 143         new wxStaticText(p, wxID_ANY, wxT("And some TEXT inside it")),
 144         wxSizerFlags().Border(wxALL, 30));
 145     topsizer->Add(
 146         statsizer,
 147         wxSizerFlags(1).Expand().Border(wxALL, 10));
 148
 149     // 2.7) And a test of wxGridSizer
 150     wxGridSizer *gridsizer = new wxGridSizer(2, 5, 5);
 151     gridsizer->Add(new wxStaticText(p, wxID_ANY, wxT("Label")),
 152                 wxSizerFlags().Align(wxALIGN_RIGHT | wxALIGN_CENTER_VERTICAL));
 153     gridsizer->Add(new wxTextCtrl(p, wxID_ANY, wxT("Grid sizer demo")),
 154                 wxSizerFlags(1).Align(wxGROW | wxALIGN_CENTER_VERTICAL));
 155     gridsizer->Add(new wxStaticText(p, wxID_ANY, wxT("Another label")),
 156                 wxSizerFlags().Align(wxALIGN_RIGHT | wxALIGN_CENTER_VERTICAL));
 157     gridsizer->Add(new wxTextCtrl(p, wxID_ANY, wxT("More text")),
 158                 wxSizerFlags(1).Align(wxGROW | wxALIGN_CENTER_VERTICAL));
 159     gridsizer->Add(new wxStaticText(p, wxID_ANY, wxT("Final label")),
 160                 wxSizerFlags().Align(wxALIGN_RIGHT | wxALIGN_CENTER_VERTICAL));
 161     gridsizer->Add(new wxTextCtrl(p, wxID_ANY, wxT("And yet more text")),
 162                 wxSizerFlags().Align(wxGROW | wxALIGN_CENTER_VERTICAL));
 163     topsizer->Add(
 164         gridsizer,
 165         wxSizerFlags().Proportion(1).Expand().Border(wxALL, 10));
 166
 167
 168 #if wxUSE_STATLINE
 169     // 3) middle: create wxStaticLine with minimum size (3x3)
 170     topsizer->Add(
 171         new wxStaticLine( p, wxID_ANY, wxDefaultPosition, wxSize(3,3), wxHORIZONTAL),
 172         wxSizerFlags().Expand());
 173 #endif // wxUSE_STATLINE
 174
 175
 176     // 4) bottom: create two centred wxButtons
 177     wxBoxSizer *button_box = new wxBoxSizer( wxHORIZONTAL );
 178     button_box->Add(
 179         new wxButton( p, wxID_ANY, wxT("Two buttons in a box") ),
 180         wxSizerFlags().Border(wxALL, 7));
 181     button_box->Add(
 182         new wxButton( p, wxID_ANY, wxT("(wxCENTER)") ),
 183         wxSizerFlags().Border(wxALL, 7));
 184
 185     topsizer->Add(button_box, wxSizerFlags().Center());
 186
 187     p->SetSizer( topsizer );
 188
 189     // don't allow frame to get smaller than what the sizers tell it and also set
 190     // the initial size as calculated by the sizers
 191     topsizer->SetSizeHints( this );
 192 }
 193
 194 void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
 195 {
 196     Close(true);
 197 }
 198
 199 void MyFrame::TestProportions(wxCommandEvent& WXUNUSED(event))
 200 {
 201     (new MyProportionsFrame(this))->Show();
 202 }
 203
 204 void MyFrame::TestFlexSizers(wxCommandEvent& WXUNUSED(event) )
 205 {
 206     MyFlexSizerFrame *newFrame = new MyFlexSizerFrame(wxT("Flex Sizer Test Frame"), 50, 50);
 207     newFrame->Show(true);
 208 }
 209
 210 void MyFrame::TestNotebookSizers(wxCommandEvent& WXUNUSED(event) )
 211 {
 212     MySizerDialog dialog( this, wxT("Notebook Sizer Test Dialog") );
 213
 214     dialog.ShowModal();
 215 }
 216
 217 void MyFrame::TestSetMinimal(wxCommandEvent& WXUNUSED(event) )
 218 {
 219     MySimpleSizerFrame *newFrame = new MySimpleSizerFrame(wxT("Simple Sizer Test Frame"), 50, 50);
 220     newFrame->Show(true);
 221 }
 222
 223 void MyFrame::TestNested(wxCommandEvent& WXUNUSED(event) )
 224 {
 225     MyNestedSizerFrame *newFrame = new MyNestedSizerFrame(wxT("Nested Sizer Test Frame"), 50, 50);
 226     newFrame->Show(true);
 227 }
 228
 229 void MyFrame::TestWrap(wxCommandEvent& WXUNUSED(event) )
 230 {
 231     MyWrapSizerFrame *newFrame = new MyWrapSizerFrame(wxT("Wrap Sizer Test Frame"), 50, 50);
 232     newFrame->Show(true);
 233 }
 234
 235
 236 void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event) )
 237 {
 238     (void)wxMessageBox(wxT("wxWidgets GUI library layout demo\n"),
 239             wxT("About Layout Demo"), wxOK|wxICON_INFORMATION);
 240 }
 241
 242 void MyFrame::TestGridBagSizer(wxCommandEvent& WXUNUSED(event) )
 243 {
 244     MyGridBagSizerFrame *newFrame = new
 245         MyGridBagSizerFrame(wxT("wxGridBagSizer Test Frame"), 50, 50);
 246     newFrame->Show(true);
 247 }
 248
 249 // ----------------------------------------------------------------------------
 250 // MyProportionsFrame
 251 // ----------------------------------------------------------------------------
 252
 253 MyProportionsFrame::MyProportionsFrame(wxFrame *parent)
 254                   : wxFrame(parent, wxID_ANY, wxT("Box Sizer Proportions Demo"))
 255 {
 256     size_t n;
 257
 258     // create the controls
 259     wxPanel *panel = new wxPanel(this, wxID_ANY);
 260     for ( n = 0; n < WXSIZEOF(m_spins); n++ )
 261     {
 262         m_spins[n] = new wxSpinCtrl(panel);
 263         m_spins[n]->SetValue(n);
 264     }
 265
 266     // lay them out
 267     m_sizer = new wxStaticBoxSizer(wxHORIZONTAL, panel,
 268                 wxT("Try changing elements proportions and resizing the window"));
 269     for ( n = 0; n < WXSIZEOF(m_spins); n++ )
 270         m_sizer->Add(m_spins[n], wxSizerFlags().Border());
 271
 272     // put everything together
 273     panel->SetSizer(m_sizer);
 274     wxSizer *sizerTop = new wxBoxSizer(wxVERTICAL);
 275     sizerTop->Add(panel, wxSizerFlags(1).Expand().Border());
 276     UpdateProportions();
 277     SetSizerAndFit(sizerTop);
 278
 279     // and connect the events
 280     Connect(wxEVT_COMMAND_TEXT_UPDATED,
 281                 wxCommandEventHandler(MyProportionsFrame::OnProportionUpdated));
 282     Connect(wxEVT_COMMAND_SPINCTRL_UPDATED,
 283             wxSpinEventHandler(MyProportionsFrame::OnProportionChanged));
 284 }
 285
 286 void MyProportionsFrame::UpdateProportions()
 287 {
 288     for ( size_t n = 0; n < WXSIZEOF(m_spins); n++ )
 289     {
 290         m_sizer->GetItem(n)->SetProportion(m_spins[n]->GetValue());
 291     }
 292
 293     m_sizer->Layout();
 294 }
 295
 296 void MyProportionsFrame::OnProportionUpdated(wxCommandEvent& WXUNUSED(event))
 297 {
 298     UpdateProportions();
 299 }
 300
 301 void MyProportionsFrame::OnProportionChanged(wxSpinEvent& WXUNUSED(event))
 302 {
 303     UpdateProportions();
 304 }
 305
 306 // ----------------------------------------------------------------------------
 307 //  MyFlexSizerFrame
 308 // ----------------------------------------------------------------------------
 309
 310 void MyFlexSizerFrame::InitFlexSizer(wxFlexGridSizer *sizer, wxWindow* parent)
 311 {
 312     for ( int i = 0; i < 3; i++ )
 313     {
 314         for ( int j = 0; j < 3; j++ )
 315         {
 316             wxWindow * const cell = new wxGenericStaticText
 317                                         (
 318                                             parent,
 319                                             wxID_ANY,
 320                                             wxString::Format("(%d, %d)",
 321                                                              i + 1, j + 1)
 322                                         );
 323             if ( (i + j) % 2 )
 324                 cell->SetBackgroundColour( *wxLIGHT_GREY );
 325             sizer->Add(cell, 0, wxEXPAND | wxALIGN_CENTER_VERTICAL | wxALL, 3);
 326         }
 327     }
 328 }
 329
 330 MyFlexSizerFrame::MyFlexSizerFrame(const wxString &title, int x, int y )
 331             : wxFrame(NULL, wxID_ANY, title, wxPoint(x, y) )
 332 {
 333     wxFlexGridSizer *sizerFlex;
 334     wxPanel* p = new wxPanel(this, wxID_ANY);
 335
 336     // consttuct the first column
 337     wxSizer *sizerCol1 = new wxBoxSizer(wxVERTICAL);
 338     sizerCol1->Add(new wxStaticText(p, wxID_ANY, wxT("Ungrowable:")), 0, wxCENTER | wxTOP, 20);
 339     sizerFlex = new wxFlexGridSizer(3, 3, wxSize(5, 5));
 340     InitFlexSizer(sizerFlex, p);
 341     sizerCol1->Add(sizerFlex, 1, wxALL | wxEXPAND, 10);
 342
 343     sizerCol1->Add(new wxStaticText(p, wxID_ANY, wxT("Growable middle column:")), 0, wxCENTER | wxTOP, 20);
 344     sizerFlex = new wxFlexGridSizer(3, 3, wxSize(5, 5));
 345     InitFlexSizer(sizerFlex, p);
 346     sizerFlex->AddGrowableCol(1);
 347     sizerCol1->Add(sizerFlex, 1, wxALL | wxEXPAND, 10);
 348
 349     sizerCol1->Add(new wxStaticText(p, wxID_ANY, wxT("Growable middle row:")), 0, wxCENTER | wxTOP, 20);
 350     sizerFlex = new wxFlexGridSizer(3, 3, wxSize(5, 5));
 351     InitFlexSizer(sizerFlex, p);
 352     sizerFlex->AddGrowableRow(1);
 353     sizerCol1->Add(sizerFlex, 1, wxALL | wxEXPAND, 10);
 354
 355     sizerCol1->Add(new wxStaticText(p, wxID_ANY, wxT("All growable columns:")), 0, wxCENTER | wxTOP, 20);
 356     sizerFlex = new wxFlexGridSizer(3, 3, wxSize(5, 5));
 357     InitFlexSizer(sizerFlex, p);
 358     sizerFlex->AddGrowableCol(0, 1);
 359     sizerFlex->AddGrowableCol(1, 2);
 360     sizerFlex->AddGrowableCol(2, 3);
 361     sizerCol1->Add(sizerFlex, 1, wxALL | wxEXPAND, 10);
 362
 363     // the second one
 364     wxSizer *sizerCol2 = new wxBoxSizer(wxVERTICAL);
 365     sizerCol2->Add(new wxStaticText(p, wxID_ANY, wxT("Growable middle row and column:")), 0, wxCENTER | wxTOP, 20);
 366     sizerFlex = new wxFlexGridSizer(3, 3, wxSize(5, 5));
 367     InitFlexSizer(sizerFlex, p);
 368     sizerFlex->AddGrowableCol(1);
 369     sizerFlex->AddGrowableRow(1);
 370     sizerCol2->Add(sizerFlex, 1, wxALL | wxEXPAND, 10);
 371
 372     sizerCol2->Add(new wxStaticText(p, wxID_ANY, wxT("Same with horz flex direction")), 0, wxCENTER | wxTOP, 20);
 373     sizerFlex = new wxFlexGridSizer(3, 3, wxSize(5, 5));
 374     InitFlexSizer(sizerFlex, p);
 375     sizerFlex->AddGrowableCol(1);
 376     sizerFlex->AddGrowableRow(1);
 377     sizerFlex->SetFlexibleDirection(wxHORIZONTAL);
 378     sizerCol2->Add(sizerFlex, 1, wxALL | wxEXPAND, 10);
 379
 380     sizerCol2->Add(new wxStaticText(p, wxID_ANY, wxT("Same with grow mode == \"none\"")), 0, wxCENTER | wxTOP, 20);
 381     sizerFlex = new wxFlexGridSizer(3, 3, wxSize(5, 5));
 382     InitFlexSizer(sizerFlex, p);
 383     sizerFlex->AddGrowableCol(1);
 384     sizerFlex->AddGrowableRow(1);
 385     sizerFlex->SetFlexibleDirection(wxHORIZONTAL);
 386     sizerFlex->SetNonFlexibleGrowMode(wxFLEX_GROWMODE_NONE);
 387     sizerCol2->Add(sizerFlex, 1, wxALL | wxEXPAND, 10);
 388
 389     sizerCol2->Add(new wxStaticText(p, wxID_ANY, wxT("Same with grow mode == \"all\"")), 0, wxCENTER | wxTOP, 20);
 390     sizerFlex = new wxFlexGridSizer(3, 3, wxSize(5, 5));
 391     InitFlexSizer(sizerFlex, p);
 392     sizerFlex->AddGrowableCol(1);
 393     sizerFlex->AddGrowableRow(1);
 394     sizerFlex->SetFlexibleDirection(wxHORIZONTAL);
 395     sizerFlex->SetNonFlexibleGrowMode(wxFLEX_GROWMODE_ALL);
 396     sizerCol2->Add(sizerFlex, 1, wxALL | wxEXPAND, 10);
 397
 398     // add both columns to grid sizer
 399     wxGridSizer *sizerTop = new wxGridSizer(2, 0, 20);
 400     sizerTop->Add(sizerCol1, 1, wxEXPAND);
 401     sizerTop->Add(sizerCol2, 1, wxEXPAND);
 402
 403     p->SetSizer(sizerTop);
 404     sizerTop->SetSizeHints(this);
 405 }
 406
 407 // ----------------------------------------------------------------------------
 408 // MySizerDialog
 409 // ----------------------------------------------------------------------------
 410
 411 MySizerDialog::MySizerDialog(wxWindow *parent, const wxString &title)
 412              : wxDialog(parent, wxID_ANY, wxString(title))
 413 {
 414     // Begin with first hierarchy: a notebook at the top and
 415     // and OK button at the bottom.
 416
 417     wxBoxSizer *topsizer = new wxBoxSizer( wxVERTICAL );
 418
 419     wxNotebook *notebook = new wxNotebook( this, wxID_ANY );
 420     topsizer->Add( notebook, 1, wxGROW );
 421
 422     wxButton *button = new wxButton( this, wxID_OK, wxT("OK") );
 423     topsizer->Add( button, 0, wxALIGN_RIGHT | wxALL, 10 );
 424
 425     // First page: one big text ctrl
 426     wxTextCtrl *multi = new wxTextCtrl( notebook, wxID_ANY, wxT("TextCtrl."), wxDefaultPosition, wxDefaultSize, wxTE_MULTILINE );
 427     notebook->AddPage( multi, wxT("Page One") );
 428
 429     // Second page: a text ctrl and a button
 430     wxPanel *panel = new wxPanel( notebook, wxID_ANY );
 431     notebook->AddPage( panel, wxT("Page Two") );
 432
 433     wxSizer *panelsizer = new wxBoxSizer( wxVERTICAL );
 434
 435     wxTextCtrl *text = new wxTextCtrl( panel, wxID_ANY, wxT("TextLine 1."), wxDefaultPosition, wxSize(250,wxDefaultCoord) );
 436     panelsizer->Add( text, 0, wxGROW|wxALL, 30 );
 437     text = new wxTextCtrl( panel, wxID_ANY, wxT("TextLine 2."), wxDefaultPosition, wxSize(250,wxDefaultCoord) );
 438     panelsizer->Add( text, 0, wxGROW|wxALL, 30 );
 439     wxButton *button2 = new wxButton( panel, wxID_ANY, wxT("Hallo") );
 440     panelsizer->Add( button2, 0, wxALIGN_RIGHT | wxLEFT|wxRIGHT|wxBOTTOM, 30 );
 441
 442     panel->SetSizer( panelsizer );
 443
 444     // Tell dialog to use sizer
 445     SetSizerAndFit( topsizer );
 446 }
 447
 448 // ----------------------------------------------------------------------------
 449 // MyGridBagSizerFrame
 450 // ----------------------------------------------------------------------------
 451
 452 // some simple macros to help make the sample code below more clear
 453 #define TEXTCTRL(text)   new wxTextCtrl(p, wxID_ANY, wxT(text))
 454 #define MLTEXTCTRL(text) new wxTextCtrl(p, wxID_ANY, wxT(text), wxDefaultPosition, wxDefaultSize, wxTE_MULTILINE)
 455 #define POS(r, c)        wxGBPosition(r,c)
 456 #define SPAN(r, c)       wxGBSpan(r,c)
 457
 458 const wxChar gbsDescription[] =wxT("\
 459 The wxGridBagSizer is similar to the wxFlexGridSizer except the items are explicitly positioned\n\
 460 in a virtual cell of the layout grid, and column or row spanning is allowed.  For example, this\n\
 461 static text is positioned at (0,0) and it spans 7 columns.");
 462
 463
 464 // Some IDs
 465 enum {
 466     GBS_HIDE_BTN = 1212,
 467     GBS_SHOW_BTN,
 468     GBS_MOVE_BTN1,
 469     GBS_MOVE_BTN2,
 470
 471     GBS_MAX
 472 };
 473
 474
 475 BEGIN_EVENT_TABLE(MyGridBagSizerFrame, wxFrame)
 476     EVT_BUTTON( GBS_HIDE_BTN,  MyGridBagSizerFrame::OnHideBtn)
 477     EVT_BUTTON( GBS_SHOW_BTN,  MyGridBagSizerFrame::OnShowBtn)
 478     EVT_BUTTON( GBS_MOVE_BTN1, MyGridBagSizerFrame::OnMoveBtn)
 479     EVT_BUTTON( GBS_MOVE_BTN2, MyGridBagSizerFrame::OnMoveBtn)
 480 END_EVENT_TABLE()
 481
 482
 483 MyGridBagSizerFrame::MyGridBagSizerFrame(const wxString &title, int x, int y )
 484     : wxFrame( NULL, wxID_ANY, title, wxPoint(x, y) )
 485 {
 486     wxPanel* p = new wxPanel(this, wxID_ANY);
 487     m_panel = p;
 488     m_gbs = new wxGridBagSizer();
 489
 490
 491     m_gbs->Add( new wxStaticText(p, wxID_ANY, gbsDescription),
 492                 POS(0,0), SPAN(1, 7),
 493                 wxALIGN_CENTER | wxALL, 5);
 494
 495     m_gbs->Add( TEXTCTRL("pos(1,0)"),   POS(1,0) );
 496     m_gbs->Add( TEXTCTRL("pos(1,1)"),   POS(1,1) );
 497     m_gbs->Add( TEXTCTRL("pos(2,0)"),   POS(2,0) );
 498     m_gbs->Add( TEXTCTRL("pos(2,1)"),   POS(2,1) );
 499     m_gbs->Add( MLTEXTCTRL("pos(3,2), span(1,2)\nthis row and col are growable"),
 500               POS(3,2), SPAN(1,2), wxEXPAND );
 501     m_gbs->Add( MLTEXTCTRL("pos(4,3)\nspan(3,1)"),
 502               POS(4,3), SPAN(3,1), wxEXPAND );
 503     m_gbs->Add( TEXTCTRL("pos(5,4)"),   POS(5,4), wxDefaultSpan, wxEXPAND );
 504     m_gbs->Add( TEXTCTRL("pos(6,5)"),   POS(6,5), wxDefaultSpan, wxEXPAND );
 505     m_gbs->Add( TEXTCTRL("pos(7,6)"),   POS(7,6) );
 506
 507     //m_gbs->Add( TEXTCTRL("bad position"), POS(4,3) );  // Test for assert
 508     //m_gbs->Add( TEXTCTRL("bad position"), POS(5,3) );  // Test for assert
 509
 510
 511     m_moveBtn1 = new wxButton(p, GBS_MOVE_BTN1, wxT("Move this to (3,6)"));
 512     m_moveBtn2 = new wxButton(p, GBS_MOVE_BTN2, wxT("Move this to (3,6)"));
 513     m_gbs->Add( m_moveBtn1, POS(10,2) );
 514     m_gbs->Add( m_moveBtn2, POS(10,3) );
 515
 516     m_hideBtn = new wxButton(p, GBS_HIDE_BTN, wxT("Hide this item -->"));
 517     m_gbs->Add(m_hideBtn, POS(12, 3));
 518
 519     m_hideTxt = new wxTextCtrl(p, wxID_ANY, wxT("pos(12,4), size(150, wxDefaultCoord)"),
 520                                 wxDefaultPosition, wxSize(150,wxDefaultCoord));
 521     m_gbs->Add( m_hideTxt, POS(12,4) );
 522
 523     m_showBtn = new wxButton(p, GBS_SHOW_BTN, wxT("<-- Show it again"));
 524     m_gbs->Add(m_showBtn, POS(12, 5));
 525     m_showBtn->Disable();
 526
 527     m_gbs->Add(10,10, POS(14,0));
 528
 529     m_gbs->AddGrowableRow(3);
 530     m_gbs->AddGrowableCol(2);
 531
 532     p->SetSizerAndFit(m_gbs);
 533     SetClientSize(p->GetSize());
 534 }
 535
 536
 537 void MyGridBagSizerFrame::OnHideBtn(wxCommandEvent&)
 538 {
 539     m_gbs->Hide(m_hideTxt);
 540     m_hideBtn->Disable();
 541     m_showBtn->Enable();
 542     m_gbs->Layout();
 543 }
 544
 545 void MyGridBagSizerFrame::OnShowBtn(wxCommandEvent&)
 546 {
 547     m_gbs->Show(m_hideTxt);
 548     m_hideBtn->Enable();
 549     m_showBtn->Disable();
 550     m_gbs->Layout();
 551 }
 552
 553
 554 void MyGridBagSizerFrame::OnMoveBtn(wxCommandEvent& event)
 555 {
 556     wxButton* btn = (wxButton*)event.GetEventObject();
 557     wxGBPosition curPos = m_gbs->GetItemPosition(btn);
 558
 559     // if it's already at the "other" spot then move it back
 560     if (curPos == wxGBPosition(3,6))
 561     {
 562         m_gbs->SetItemPosition(btn, m_lastPos);
 563         btn->SetLabel(wxT("Move this to (3,6)"));
 564     }
 565     else
 566     {
 567         if ( m_gbs->CheckForIntersection(wxGBPosition(3,6), wxGBSpan(1,1)) )
 568             wxMessageBox(
 569 wxT("wxGridBagSizer will not allow items to be in the same cell as\n\
 570 another item, so this operation will fail.  You will also get an assert\n\
 571 when compiled in debug mode."), wxT("Warning"), wxOK | wxICON_INFORMATION);
 572
 573         if ( m_gbs->SetItemPosition(btn, wxGBPosition(3,6)) )
 574         {
 575             m_lastPos = curPos;
 576             btn->SetLabel(wxT("Move it back"));
 577         }
 578     }
 579     m_gbs->Layout();
 580 }
 581
 582 // ----------------------------------------------------------------------------
 583 // MySimpleSizerFrame
 584 // ----------------------------------------------------------------------------
 585
 586 // Some IDs
 587 enum {
 588     ID_SET_SMALL = 1300,
 589     ID_SET_BIG
 590 };
 591
 592 BEGIN_EVENT_TABLE(MySimpleSizerFrame, wxFrame)
 593     EVT_MENU( ID_SET_SMALL, MySimpleSizerFrame::OnSetSmallSize)
 594     EVT_MENU( ID_SET_BIG, MySimpleSizerFrame::OnSetBigSize)
 595 END_EVENT_TABLE()
 596
 597 MySimpleSizerFrame::MySimpleSizerFrame(const wxString &title, int x, int y )
 598     : wxFrame( NULL, wxID_ANY, title, wxPoint(x, y) )
 599 {
 600     wxMenu *menu = new wxMenu;
 601
 602     menu->Append(ID_SET_SMALL, wxT("Make text control small\tF4"));
 603     menu->Append(ID_SET_BIG, wxT("Make text control big\tF5"));
 604
 605     wxMenuBar *menu_bar = new wxMenuBar;
 606     menu_bar->Append(menu, wxT("&File"));
 607
 608     SetMenuBar( menu_bar );
 609
 610     wxBoxSizer *main_sizer = new wxBoxSizer( wxHORIZONTAL );
 611
 612     m_target = new wxTextCtrl( this, wxID_ANY, wxEmptyString, wxDefaultPosition, wxSize( 80, wxDefaultCoord ) );
 613     main_sizer->Add( m_target, 1, wxALL, 5 );
 614
 615     main_sizer->Add( new wxStaticText( this, wxID_ANY, wxT("Set alternating sizes using F4 and F5") ), 0, wxALL, 5 );
 616
 617     SetSizer( main_sizer);
 618
 619     Layout();
 620     GetSizer()->Fit( this );
 621 }
 622
 623 void MySimpleSizerFrame::OnSetSmallSize( wxCommandEvent& WXUNUSED(event))
 624 {
 625     GetSizer()->SetItemMinSize( m_target, 40, -1 );
 626     Layout();
 627     GetSizer()->Fit( this );
 628 }
 629
 630 void MySimpleSizerFrame::OnSetBigSize( wxCommandEvent& WXUNUSED(event))
 631 {
 632     GetSizer()->SetItemMinSize( m_target, 140, -1 );
 633     Layout();
 634     GetSizer()->Fit( this );
 635 }
 636
 637
 638 // ----------------------------------------------------------------------------
 639 // MyNestedSizerFrame
 640 // ----------------------------------------------------------------------------
 641
 642
 643 MyNestedSizerFrame::MyNestedSizerFrame(const wxString &title, int x, int y )
 644     : wxFrame( NULL, wxID_ANY, title, wxPoint(x, y) )
 645 {
 646     wxMenu *menu = new wxMenu;
 647
 648     menu->Append(wxID_ABOUT, wxT("Do nothing"));
 649
 650     wxMenuBar *menu_bar = new wxMenuBar;
 651     menu_bar->Append(menu, wxT("&File"));
 652
 653     SetMenuBar( menu_bar );
 654
 655     wxBoxSizer *main_sizer = new wxBoxSizer( wxVERTICAL );
 656
 657     main_sizer->Add( new wxStaticText( this, -1, wxT("Hello outside") ), 0, wxALIGN_CENTER );
 658     main_sizer->Add( new wxStaticText( this, -1, wxT("Hello outside") ), 0, wxALIGN_CENTER );
 659     main_sizer->Add( new wxStaticText( this, -1, wxT("Hello outside") ), 0, wxALIGN_CENTER );
 660     main_sizer->Add( new wxStaticText( this, -1, wxT("Hello outside") ), 0, wxALIGN_CENTER );
 661
 662     wxPanel *panel = new wxPanel( this, -1, wxDefaultPosition, wxDefaultSize,
 663                                   wxTAB_TRAVERSAL | wxSUNKEN_BORDER );
 664     main_sizer->Add( panel, 0, wxALIGN_CENTER );
 665     wxBoxSizer *panel_sizer = new wxBoxSizer( wxVERTICAL );
 666     panel->SetSizer( panel_sizer );
 667     panel_sizer->Add( new wxStaticText( panel, -1, wxT("Hello inside") ) );
 668     panel_sizer->Add( new wxStaticText( panel, -1, wxT("Hello inside") ) );
 669     panel_sizer->Add( new wxStaticText( panel, -1, wxT("Hello inside") ) );
 670
 671     main_sizer->Add( new wxStaticText( this, -1, wxT("Hello outside") ), 0, wxALIGN_CENTER );
 672
 673     m_target = new wxTextCtrl( this, wxID_ANY, wxEmptyString, wxDefaultPosition, wxSize( 80, wxDefaultCoord ) );
 674     main_sizer->Add( m_target, 1, wxALL|wxGROW, 5 );
 675
 676     SetSizerAndFit( main_sizer);
 677 }
 678
 679
 680 // ----------------------------------------------------------------------------
 681 // MyWrapSizerFrame
 682 // ----------------------------------------------------------------------------
 683
 684
 685 MyWrapSizerFrame::MyWrapSizerFrame(const wxString &title, int x, int y )
 686     : wxFrame( NULL, wxID_ANY, title, wxPoint(x, y), wxSize(200,-1) )
 687 {
 688     wxMenu *menu = new wxMenu;
 689
 690     menu->Append(wxID_ABOUT, "Do nothing");
 691
 692     wxMenuBar *menu_bar = new wxMenuBar;
 693     menu_bar->Append(menu, "&File");
 694
 695     SetMenuBar( menu_bar );
 696
 697     wxBoxSizer *root = new wxBoxSizer( wxVERTICAL );
 698
 699 #if 0
 700     wxSizer *row = new wxWrapSizer;
 701     int i;
 702     for (i = 0; i < 4; i++)
 703        row->Add( new wxButton( this, -1, "Hello" ), 0, wxALL, 10 );
 704     root->Add( row, 0, wxGROW );
 705
 706     row = new wxWrapSizer;
 707     for (i = 0; i < 4; i++)
 708        row->Add( new wxButton( this, -1, "Hello" ) );
 709     root->Add( row, 0, wxGROW );
 710
 711 #else
 712     // A number of checkboxes inside a wrap sizer
 713     wxSizer *ps_mid = new wxStaticBoxSizer( wxVERTICAL, this, "Wrapping check-boxes" );
 714     wxSizer *ps_mid_wrap = new wxWrapSizer(wxHORIZONTAL);
 715     ps_mid->Add( ps_mid_wrap, 100, wxEXPAND );
 716     for( int ix=0; ix<6; ix++ )
 717             ps_mid_wrap->Add( new wxCheckBox(this,wxID_ANY,wxString::Format("Option %d",ix+1)), 0, wxALIGN_CENTRE|wxALIGN_CENTER_VERTICAL|wxALL, 5 );
 718     root->Add( ps_mid, 0, wxEXPAND | wxALL, 5 );
 719
 720     // A shaped item inside a box sizer
 721     wxSizer *ps_bottom = new wxStaticBoxSizer( wxVERTICAL, this, "With wxSHAPED item" );
 722     wxSizer *ps_bottom_box = new wxBoxSizer(wxHORIZONTAL);
 723     ps_bottom->Add( ps_bottom_box, 100, wxEXPAND );
 724     ps_bottom_box->Add( new wxListBox(this,wxID_ANY,wxPoint(0,0),wxSize(70,70)), 0, wxEXPAND|wxSHAPED );
 725     ps_bottom_box->Add( 10,10 );
 726     ps_bottom_box->Add( new wxCheckBox(this,wxID_ANY,"A much longer option..."), 100, 0, 5 );
 727
 728     root->Add( ps_bottom, 1, wxEXPAND | wxALL, 5 );
 729 #endif
 730
 731     // Set sizer for window
 732     SetSizerAndFit( root );
 733 }
 734