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 license
  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
  35 #include "layout.h"
  36
  37 #ifndef __WXMSW__
  38     #include "../sample.xpm"
  39 #endif
  40
  41
  42 // ----------------------------------------------------------------------------
  43 // MyApp
  44 // ----------------------------------------------------------------------------
  45
  46 IMPLEMENT_APP(MyApp)
  47
  48 bool MyApp::OnInit()
  49 {
  50   if ( !wxApp::OnInit() )
  51       return false;
  52
  53   // Create the main frame window
  54   MyFrame *frame = new MyFrame;
  55
  56   frame->Show(true);
  57
  58   return true;
  59 }
  60
  61 // ----------------------------------------------------------------------------
  62 // MyFrame
  63 // ----------------------------------------------------------------------------
  64
  65 BEGIN_EVENT_TABLE(MyFrame, wxFrame)
  66   EVT_MENU(LAYOUT_ABOUT, MyFrame::OnAbout)
  67   EVT_MENU(LAYOUT_QUIT, MyFrame::OnQuit)
  68
  69   EVT_MENU(LAYOUT_TEST_PROPORTIONS, MyFrame::TestProportions)
  70   EVT_MENU(LAYOUT_TEST_SIZER, MyFrame::TestFlexSizers)
  71   EVT_MENU(LAYOUT_TEST_NB_SIZER, MyFrame::TestNotebookSizers)
  72   EVT_MENU(LAYOUT_TEST_GB_SIZER, MyFrame::TestGridBagSizer)
  73   EVT_MENU(LAYOUT_TEST_SET_MINIMAL, MyFrame::TestSetMinimal)
  74   EVT_MENU(LAYOUT_TEST_NESTED, MyFrame::TestNested)
  75   EVT_MENU(LAYOUT_TEST_WRAP, MyFrame::TestWrap)
  76 END_EVENT_TABLE()
  77
  78 // Define my frame constructor
  79 MyFrame::MyFrame()
  80        : wxFrame(NULL, wxID_ANY, wxT("wxWidgets Layout Demo"),
  81                  wxPoint(30,30), wxDefaultSize,
  82                  wxDEFAULT_FRAME_STYLE | wxNO_FULL_REPAINT_ON_RESIZE)
  83 {
  84     SetIcon(wxICON(sample));
  85
  86     // Make a menubar
  87     wxMenu *file_menu = new wxMenu;
  88
  89     file_menu->Append(LAYOUT_TEST_PROPORTIONS, wxT("&Proportions demo...\tF1"));
  90     file_menu->Append(LAYOUT_TEST_SIZER, wxT("Test wx&FlexSizer...\tF2"));
  91     file_menu->Append(LAYOUT_TEST_NB_SIZER, wxT("Test &notebook sizers...\tF3"));
  92     file_menu->Append(LAYOUT_TEST_GB_SIZER, wxT("Test &gridbag sizer...\tF4"));
  93     file_menu->Append(LAYOUT_TEST_SET_MINIMAL, wxT("Test Set&ItemMinSize...\tF5"));
  94     file_menu->Append(LAYOUT_TEST_NESTED, wxT("Test nested sizer in a wxPanel...\tF6"));
  95     file_menu->Append(LAYOUT_TEST_WRAP, wxT("Test wrap sizers...\tF7"));
  96
  97     file_menu->AppendSeparator();
  98     file_menu->Append(LAYOUT_QUIT, wxT("E&xit"), wxT("Quit program"));
  99
 100     wxMenu *help_menu = new wxMenu;
 101     help_menu->Append(LAYOUT_ABOUT, wxT("&About"), wxT("About layout demo..."));
 102
 103     wxMenuBar *menu_bar = new wxMenuBar;
 104
 105     menu_bar->Append(file_menu, wxT("&File"));
 106     menu_bar->Append(help_menu, wxT("&Help"));
 107
 108     // Associate the menu bar with the frame
 109     SetMenuBar(menu_bar);
 110
 111 #if wxUSE_STATUSBAR
 112     CreateStatusBar(2);
 113     SetStatusText(wxT("wxWidgets layout demo"));
 114 #endif // wxUSE_STATUSBAR
 115
 116     wxPanel* p = new wxPanel(this, wxID_ANY);
 117
 118     // we want to get a dialog that is stretchable because it
 119     // has a text ctrl in the middle. at the bottom, we have
 120     // two buttons which.
 121
 122     wxBoxSizer *topsizer = new wxBoxSizer( wxVERTICAL );
 123
 124     // 1) top: create wxStaticText with minimum size equal to its default size
 125     topsizer->Add(
 126         new wxStaticText( p, wxID_ANY, wxT("An explanation (wxALIGN_RIGHT).") ),
 127         wxSizerFlags().Align(wxALIGN_RIGHT).Border(wxALL & ~wxBOTTOM, 5));
 128     topsizer->Add(
 129         new wxStaticText( p, wxID_ANY, wxT("An explanation (wxALIGN_LEFT).") ),
 130         wxSizerFlags().Align(wxALIGN_LEFT).Border(wxALL & ~wxBOTTOM, 5));
 131     topsizer->Add(
 132         new wxStaticText( p, wxID_ANY, wxT("An explanation (wxALIGN_CENTRE_HORIZONTAL).") ),
 133         wxSizerFlags().Align(wxALIGN_CENTRE_HORIZONTAL).Border(wxALL & ~wxBOTTOM, 5));
 134
 135     // 2) top: create wxTextCtrl with minimum size (100x60)
 136     topsizer->Add(
 137         new wxTextCtrl( p, wxID_ANY, wxT("My text (wxEXPAND)."), wxDefaultPosition, wxSize(100,60), wxTE_MULTILINE),
 138         wxSizerFlags(1).Expand().Border(wxALL, 5));
 139
 140     // 2.5) Gratuitous test of wxStaticBoxSizers
 141     wxBoxSizer *statsizer = new wxStaticBoxSizer(
 142         new wxStaticBox(p, wxID_ANY, wxT("A wxStaticBoxSizer")), wxVERTICAL );
 143     statsizer->Add(
 144         new wxStaticText(p, wxID_ANY, wxT("And some TEXT inside it")),
 145         wxSizerFlags().Border(wxALL, 30));
 146     topsizer->Add(
 147         statsizer,
 148         wxSizerFlags(1).Expand().Border(wxALL, 10));
 149
 150     // 2.7) And a test of wxGridSizer
 151     wxGridSizer *gridsizer = new wxGridSizer(2, 5, 5);
 152     gridsizer->Add(new wxStaticText(p, wxID_ANY, wxT("Label")),
 153                 wxSizerFlags().Align(wxALIGN_RIGHT | wxALIGN_CENTER_VERTICAL));
 154     gridsizer->Add(new wxTextCtrl(p, wxID_ANY, wxT("Grid sizer demo")),
 155                 wxSizerFlags(1).Align(wxGROW | wxALIGN_CENTER_VERTICAL));
 156     gridsizer->Add(new wxStaticText(p, wxID_ANY, wxT("Another label")),
 157                 wxSizerFlags().Align(wxALIGN_RIGHT | wxALIGN_CENTER_VERTICAL));
 158     gridsizer->Add(new wxTextCtrl(p, wxID_ANY, wxT("More text")),
 159                 wxSizerFlags(1).Align(wxGROW | wxALIGN_CENTER_VERTICAL));
 160     gridsizer->Add(new wxStaticText(p, wxID_ANY, wxT("Final label")),
 161                 wxSizerFlags().Align(wxALIGN_RIGHT | wxALIGN_CENTER_VERTICAL));
 162     gridsizer->Add(new wxTextCtrl(p, wxID_ANY, wxT("And yet more text")),
 163                 wxSizerFlags().Align(wxGROW | wxALIGN_CENTER_VERTICAL));
 164     topsizer->Add(
 165         gridsizer,
 166         wxSizerFlags().Proportion(1).Expand().Border(wxALL, 10));
 167
 168
 169 #if wxUSE_STATLINE
 170     // 3) middle: create wxStaticLine with minimum size (3x3)
 171     topsizer->Add(
 172         new wxStaticLine( p, wxID_ANY, wxDefaultPosition, wxSize(3,3), wxHORIZONTAL),
 173         wxSizerFlags().Expand());
 174 #endif // wxUSE_STATLINE
 175
 176
 177     // 4) bottom: create two centred wxButtons
 178     wxBoxSizer *button_box = new wxBoxSizer( wxHORIZONTAL );
 179     button_box->Add(
 180         new wxButton( p, wxID_ANY, wxT("Two buttons in a box") ),
 181         wxSizerFlags().Border(wxALL, 7));
 182     button_box->Add(
 183         new wxButton( p, wxID_ANY, wxT("(wxCENTER)") ),
 184         wxSizerFlags().Border(wxALL, 7));
 185
 186     topsizer->Add(button_box, wxSizerFlags().Center());
 187
 188     p->SetSizer( topsizer );
 189
 190     // don't allow frame to get smaller than what the sizers tell it and also set
 191     // the initial size as calculated by the sizers
 192     topsizer->SetSizeHints( this );
 193 }
 194
 195 void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
 196 {
 197     Close(true);
 198 }
 199
 200 void MyFrame::TestProportions(wxCommandEvent& WXUNUSED(event))
 201 {
 202     (new MyProportionsFrame(this))->Show();
 203 }
 204
 205 void MyFrame::TestFlexSizers(wxCommandEvent& WXUNUSED(event) )
 206 {
 207     MyFlexSizerFrame *newFrame = new MyFlexSizerFrame(wxT("Flex Sizer Test Frame"), 50, 50);
 208     newFrame->Show(true);
 209 }
 210
 211 void MyFrame::TestNotebookSizers(wxCommandEvent& WXUNUSED(event) )
 212 {
 213     MySizerDialog dialog( this, wxT("Notebook Sizer Test Dialog") );
 214
 215     dialog.ShowModal();
 216 }
 217
 218 void MyFrame::TestSetMinimal(wxCommandEvent& WXUNUSED(event) )
 219 {
 220     MySimpleSizerFrame *newFrame = new MySimpleSizerFrame(wxT("Simple Sizer Test Frame"), 50, 50);
 221     newFrame->Show(true);
 222 }
 223
 224 void MyFrame::TestNested(wxCommandEvent& WXUNUSED(event) )
 225 {
 226     MyNestedSizerFrame *newFrame = new MyNestedSizerFrame(wxT("Nested Sizer Test Frame"), 50, 50);
 227     newFrame->Show(true);
 228 }
 229
 230 void MyFrame::TestWrap(wxCommandEvent& WXUNUSED(event) )
 231 {
 232     MyWrapSizerFrame *newFrame = new MyWrapSizerFrame(wxT("Wrap Sizer Test Frame"), 50, 50);
 233     newFrame->Show(true);
 234 }
 235
 236
 237 void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event) )
 238 {
 239     (void)wxMessageBox(wxT("wxWidgets GUI library layout demo\n"),
 240             wxT("About Layout Demo"), wxOK|wxICON_INFORMATION);
 241 }
 242
 243 void MyFrame::TestGridBagSizer(wxCommandEvent& WXUNUSED(event) )
 244 {
 245     MyGridBagSizerFrame *newFrame = new
 246         MyGridBagSizerFrame(wxT("wxGridBagSizer Test Frame"), 50, 50);
 247     newFrame->Show(true);
 248 }
 249
 250 // ----------------------------------------------------------------------------
 251 // MyProportionsFrame
 252 // ----------------------------------------------------------------------------
 253
 254 MyProportionsFrame::MyProportionsFrame(wxFrame *parent)
 255                   : wxFrame(parent, wxID_ANY, wxT("Box Sizer Proportions Demo"))
 256 {
 257     size_t n;
 258
 259     // create the controls
 260     wxPanel *panel = new wxPanel(this, wxID_ANY);
 261     for ( n = 0; n < WXSIZEOF(m_spins); n++ )
 262     {
 263         m_spins[n] = new wxSpinCtrl(panel);
 264         m_spins[n]->SetValue(n);
 265     }
 266
 267     // lay them out
 268     m_sizer = new wxStaticBoxSizer(wxHORIZONTAL, panel,
 269                 wxT("Try changing elements proportions and resizing the window"));
 270     for ( n = 0; n < WXSIZEOF(m_spins); n++ )
 271         m_sizer->Add(m_spins[n], wxSizerFlags().Border());
 272
 273     // put everything together
 274     panel->SetSizer(m_sizer);
 275     wxSizer *sizerTop = new wxBoxSizer(wxVERTICAL);
 276     sizerTop->Add(panel, wxSizerFlags(1).Expand().Border());
 277     UpdateProportions();
 278     SetSizerAndFit(sizerTop);
 279
 280     // and connect the events
 281     Connect(wxEVT_COMMAND_TEXT_UPDATED,
 282                 wxCommandEventHandler(MyProportionsFrame::OnProportionUpdated));
 283     Connect(wxEVT_COMMAND_SPINCTRL_UPDATED,
 284             wxSpinEventHandler(MyProportionsFrame::OnProportionChanged));
 285 }
 286
 287 void MyProportionsFrame::UpdateProportions()
 288 {
 289     for ( size_t n = 0; n < WXSIZEOF(m_spins); n++ )
 290     {
 291         m_sizer->GetItem(n)->SetProportion(m_spins[n]->GetValue());
 292     }
 293
 294     m_sizer->Layout();
 295 }
 296
 297 void MyProportionsFrame::OnProportionUpdated(wxCommandEvent& WXUNUSED(event))
 298 {
 299     UpdateProportions();
 300 }
 301
 302 void MyProportionsFrame::OnProportionChanged(wxSpinEvent& WXUNUSED(event))
 303 {
 304     UpdateProportions();
 305 }
 306
 307 // ----------------------------------------------------------------------------
 308 //  MyFlexSizerFrame
 309 // ----------------------------------------------------------------------------
 310
 311 void MyFlexSizerFrame::InitFlexSizer(wxFlexGridSizer *sizer, wxWindow* parent)
 312 {
 313     for ( int i = 0; i < 3; i++ )
 314     {
 315         for ( int j = 0; j < 3; j++ )
 316         {
 317             sizer->Add(new wxStaticText
 318                            (
 319                             parent,
 320                             wxID_ANY,
 321                             wxString::Format(wxT("(%d, %d)"), i + 1, j + 1),
 322                             wxDefaultPosition,
 323                             wxDefaultSize,
 324                             wxALIGN_CENTER
 325                            ),
 326                        0, wxEXPAND | wxALIGN_CENTER_VERTICAL | wxALL, 3);
 327         }
 328     }
 329 }
 330
 331 MyFlexSizerFrame::MyFlexSizerFrame(const wxString &title, int x, int y )
 332             : wxFrame(NULL, wxID_ANY, title, wxPoint(x, y) )
 333 {
 334     wxFlexGridSizer *sizerFlex;
 335     wxPanel* p = new wxPanel(this, wxID_ANY);
 336
 337     // consttuct the first column
 338     wxSizer *sizerCol1 = new wxBoxSizer(wxVERTICAL);
 339     sizerCol1->Add(new wxStaticText(p, wxID_ANY, wxT("Ungrowable:")), 0, wxCENTER | wxTOP, 20);
 340     sizerFlex = new wxFlexGridSizer(3, 3, wxSize(5, 5));
 341     InitFlexSizer(sizerFlex, p);
 342     sizerCol1->Add(sizerFlex, 1, wxALL | wxEXPAND, 10);
 343
 344     sizerCol1->Add(new wxStaticText(p, wxID_ANY, wxT("Growable middle column:")), 0, wxCENTER | wxTOP, 20);
 345     sizerFlex = new wxFlexGridSizer(3, 3, wxSize(5, 5));
 346     InitFlexSizer(sizerFlex, p);
 347     sizerFlex->AddGrowableCol(1);
 348     sizerCol1->Add(sizerFlex, 1, wxALL | wxEXPAND, 10);
 349
 350     sizerCol1->Add(new wxStaticText(p, wxID_ANY, wxT("Growable middle row:")), 0, wxCENTER | wxTOP, 20);
 351     sizerFlex = new wxFlexGridSizer(3, 3, wxSize(5, 5));
 352     InitFlexSizer(sizerFlex, p);
 353     sizerFlex->AddGrowableRow(1);
 354     sizerCol1->Add(sizerFlex, 1, wxALL | wxEXPAND, 10);
 355
 356     sizerCol1->Add(new wxStaticText(p, wxID_ANY, wxT("All growable columns:")), 0, wxCENTER | wxTOP, 20);
 357     sizerFlex = new wxFlexGridSizer(3, 3, wxSize(5, 5));
 358     InitFlexSizer(sizerFlex, p);
 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(p, wxID_ANY, wxT("Growable middle row and column:")), 0, wxCENTER | wxTOP, 20);
 367     sizerFlex = new wxFlexGridSizer(3, 3, wxSize(5, 5));
 368     InitFlexSizer(sizerFlex, p);
 369     sizerFlex->AddGrowableCol(1);
 370     sizerFlex->AddGrowableRow(1);
 371     sizerCol2->Add(sizerFlex, 1, wxALL | wxEXPAND, 10);
 372
 373     sizerCol2->Add(new wxStaticText(p, wxID_ANY, wxT("Same with horz flex direction")), 0, wxCENTER | wxTOP, 20);
 374     sizerFlex = new wxFlexGridSizer(3, 3, wxSize(5, 5));
 375     InitFlexSizer(sizerFlex, p);
 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(p, wxID_ANY, wxT("Same with grow mode == \"none\"")), 0, wxCENTER | wxTOP, 20);
 382     sizerFlex = new wxFlexGridSizer(3, 3, wxSize(5, 5));
 383     InitFlexSizer(sizerFlex, p);
 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(p, wxID_ANY, wxT("Same with grow mode == \"all\"")), 0, wxCENTER | wxTOP, 20);
 391     sizerFlex = new wxFlexGridSizer(3, 3, wxSize(5, 5));
 392     InitFlexSizer(sizerFlex, p);
 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     p->SetSizer(sizerTop);
 405     sizerTop->SetSizeHints(this);
 406 }
 407
 408 // ----------------------------------------------------------------------------
 409 // MySizerDialog
 410 // ----------------------------------------------------------------------------
 411
 412 MySizerDialog::MySizerDialog(wxWindow *parent, const wxString &title)
 413              : wxDialog(parent, wxID_ANY, 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, wxID_ANY );
 421     topsizer->Add( notebook, 1, wxGROW );
 422
 423     wxButton *button = new wxButton( this, wxID_OK, wxT("OK") );
 424     topsizer->Add( button, 0, wxALIGN_RIGHT | wxALL, 10 );
 425
 426     // First page: one big text ctrl
 427     wxTextCtrl *multi = new wxTextCtrl( notebook, wxID_ANY, wxT("TextCtrl."), wxDefaultPosition, wxDefaultSize, wxTE_MULTILINE );
 428     notebook->AddPage( multi, wxT("Page One") );
 429
 430     // Second page: a text ctrl and a button
 431     wxPanel *panel = new wxPanel( notebook, wxID_ANY );
 432     notebook->AddPage( panel, wxT("Page Two") );
 433
 434     wxSizer *panelsizer = new wxBoxSizer( wxVERTICAL );
 435
 436     wxTextCtrl *text = new wxTextCtrl( panel, wxID_ANY, wxT("TextLine 1."), wxDefaultPosition, wxSize(250,wxDefaultCoord) );
 437     panelsizer->Add( text, 0, wxGROW|wxALL, 30 );
 438     text = new wxTextCtrl( panel, wxID_ANY, wxT("TextLine 2."), wxDefaultPosition, wxSize(250,wxDefaultCoord) );
 439     panelsizer->Add( text, 0, wxGROW|wxALL, 30 );
 440     wxButton *button2 = new wxButton( panel, wxID_ANY, wxT("Hallo") );
 441     panelsizer->Add( button2, 0, wxALIGN_RIGHT | wxLEFT|wxRIGHT|wxBOTTOM, 30 );
 442
 443     panel->SetSizer( panelsizer );
 444
 445     // Tell dialog to use sizer
 446     SetSizerAndFit( topsizer );
 447 }
 448
 449 // ----------------------------------------------------------------------------
 450 // MyGridBagSizerFrame
 451 // ----------------------------------------------------------------------------
 452
 453 // some simple macros to help make the sample code below more clear
 454 #define TEXTCTRL(text)   new wxTextCtrl(p, wxID_ANY, wxT(text))
 455 #define MLTEXTCTRL(text) new wxTextCtrl(p, wxID_ANY, wxT(text), wxDefaultPosition, wxDefaultSize, wxTE_MULTILINE)
 456 #define POS(r, c)        wxGBPosition(r,c)
 457 #define SPAN(r, c)       wxGBSpan(r,c)
 458
 459 const wxChar gbsDescription[] =wxT("\
 460 The wxGridBagSizer is similar to the wxFlexGridSizer except the items are explicitly positioned\n\
 461 in a virtual cell of the layout grid, and column or row spanning is allowed.  For example, this\n\
 462 static text is positioned at (0,0) and it spans 7 columns.");
 463
 464
 465 // Some IDs
 466 enum {
 467     GBS_HIDE_BTN = 1212,
 468     GBS_SHOW_BTN,
 469     GBS_MOVE_BTN1,
 470     GBS_MOVE_BTN2,
 471
 472     GBS_MAX
 473 };
 474
 475
 476 BEGIN_EVENT_TABLE(MyGridBagSizerFrame, wxFrame)
 477     EVT_BUTTON( GBS_HIDE_BTN,  MyGridBagSizerFrame::OnHideBtn)
 478     EVT_BUTTON( GBS_SHOW_BTN,  MyGridBagSizerFrame::OnShowBtn)
 479     EVT_BUTTON( GBS_MOVE_BTN1, MyGridBagSizerFrame::OnMoveBtn)
 480     EVT_BUTTON( GBS_MOVE_BTN2, MyGridBagSizerFrame::OnMoveBtn)
 481 END_EVENT_TABLE()
 482
 483
 484 MyGridBagSizerFrame::MyGridBagSizerFrame(const wxString &title, int x, int y )
 485     : wxFrame( NULL, wxID_ANY, title, wxPoint(x, y) )
 486 {
 487     wxPanel* p = new wxPanel(this, wxID_ANY);
 488     m_panel = p;
 489     m_gbs = new wxGridBagSizer();
 490
 491
 492     m_gbs->Add( new wxStaticText(p, wxID_ANY, gbsDescription),
 493                 POS(0,0), SPAN(1, 7),
 494                 wxALIGN_CENTER | wxALL, 5);
 495
 496     m_gbs->Add( TEXTCTRL("pos(1,0)"),   POS(1,0) );
 497     m_gbs->Add( TEXTCTRL("pos(1,1)"),   POS(1,1) );
 498     m_gbs->Add( TEXTCTRL("pos(2,0)"),   POS(2,0) );
 499     m_gbs->Add( TEXTCTRL("pos(2,1)"),   POS(2,1) );
 500     m_gbs->Add( MLTEXTCTRL("pos(3,2), span(1,2)\nthis row and col are growable"),
 501               POS(3,2), SPAN(1,2), wxEXPAND );
 502     m_gbs->Add( MLTEXTCTRL("pos(4,3)\nspan(3,1)"),
 503               POS(4,3), SPAN(3,1), wxEXPAND );
 504     m_gbs->Add( TEXTCTRL("pos(5,4)"),   POS(5,4), wxDefaultSpan, wxEXPAND );
 505     m_gbs->Add( TEXTCTRL("pos(6,5)"),   POS(6,5), wxDefaultSpan, wxEXPAND );
 506     m_gbs->Add( TEXTCTRL("pos(7,6)"),   POS(7,6) );
 507
 508     //m_gbs->Add( TEXTCTRL("bad position"), POS(4,3) );  // Test for assert
 509     //m_gbs->Add( TEXTCTRL("bad position"), POS(5,3) );  // Test for assert
 510
 511
 512     m_moveBtn1 = new wxButton(p, GBS_MOVE_BTN1, wxT("Move this to (3,6)"));
 513     m_moveBtn2 = new wxButton(p, GBS_MOVE_BTN2, wxT("Move this to (3,6)"));
 514     m_gbs->Add( m_moveBtn1, POS(10,2) );
 515     m_gbs->Add( m_moveBtn2, POS(10,3) );
 516
 517     m_hideBtn = new wxButton(p, GBS_HIDE_BTN, wxT("Hide this item -->"));
 518     m_gbs->Add(m_hideBtn, POS(12, 3));
 519
 520     m_hideTxt = new wxTextCtrl(p, wxID_ANY, wxT("pos(12,4), size(150, wxDefaultCoord)"),
 521                                 wxDefaultPosition, wxSize(150,wxDefaultCoord));
 522     m_gbs->Add( m_hideTxt, POS(12,4) );
 523
 524     m_showBtn = new wxButton(p, GBS_SHOW_BTN, wxT("<-- Show it again"));
 525     m_gbs->Add(m_showBtn, POS(12, 5));
 526     m_showBtn->Disable();
 527
 528     m_gbs->Add(10,10, POS(14,0));
 529
 530     m_gbs->AddGrowableRow(3);
 531     m_gbs->AddGrowableCol(2);
 532
 533     p->SetSizerAndFit(m_gbs);
 534     SetClientSize(p->GetSize());
 535 }
 536
 537
 538 void MyGridBagSizerFrame::OnHideBtn(wxCommandEvent&)
 539 {
 540     m_gbs->Hide(m_hideTxt);
 541     m_hideBtn->Disable();
 542     m_showBtn->Enable();
 543     m_gbs->Layout();
 544 }
 545
 546 void MyGridBagSizerFrame::OnShowBtn(wxCommandEvent&)
 547 {
 548     m_gbs->Show(m_hideTxt);
 549     m_hideBtn->Enable();
 550     m_showBtn->Disable();
 551     m_gbs->Layout();
 552 }
 553
 554
 555 void MyGridBagSizerFrame::OnMoveBtn(wxCommandEvent& event)
 556 {
 557     wxButton* btn = (wxButton*)event.GetEventObject();
 558     wxGBPosition curPos = m_gbs->GetItemPosition(btn);
 559
 560     // if it's already at the "other" spot then move it back
 561     if (curPos == wxGBPosition(3,6))
 562     {
 563         m_gbs->SetItemPosition(btn, m_lastPos);
 564         btn->SetLabel(wxT("Move this to (3,6)"));
 565     }
 566     else
 567     {
 568         if ( m_gbs->CheckForIntersection(wxGBPosition(3,6), wxGBSpan(1,1)) )
 569             wxMessageBox(
 570 wxT("wxGridBagSizer will not allow items to be in the same cell as\n\
 571 another item, so this operation will fail.  You will also get an assert\n\
 572 when compiled in debug mode."), wxT("Warning"), wxOK | wxICON_INFORMATION);
 573
 574         if ( m_gbs->SetItemPosition(btn, wxGBPosition(3,6)) )
 575         {
 576             m_lastPos = curPos;
 577             btn->SetLabel(wxT("Move it back"));
 578         }
 579     }
 580     m_gbs->Layout();
 581 }
 582
 583 // ----------------------------------------------------------------------------
 584 // MySimpleSizerFrame
 585 // ----------------------------------------------------------------------------
 586
 587 // Some IDs
 588 enum {
 589     ID_SET_SMALL = 1300,
 590     ID_SET_BIG
 591 };
 592
 593 BEGIN_EVENT_TABLE(MySimpleSizerFrame, wxFrame)
 594     EVT_MENU( ID_SET_SMALL, MySimpleSizerFrame::OnSetSmallSize)
 595     EVT_MENU( ID_SET_BIG, MySimpleSizerFrame::OnSetBigSize)
 596 END_EVENT_TABLE()
 597
 598 MySimpleSizerFrame::MySimpleSizerFrame(const wxString &title, int x, int y )
 599     : wxFrame( NULL, wxID_ANY, title, wxPoint(x, y) )
 600 {
 601     wxMenu *menu = new wxMenu;
 602
 603     menu->Append(ID_SET_SMALL, wxT("Make text control small\tF4"));
 604     menu->Append(ID_SET_BIG, wxT("Make text control big\tF5"));
 605
 606     wxMenuBar *menu_bar = new wxMenuBar;
 607     menu_bar->Append(menu, wxT("&File"));
 608
 609     SetMenuBar( menu_bar );
 610
 611     wxBoxSizer *main_sizer = new wxBoxSizer( wxHORIZONTAL );
 612
 613     m_target = new wxTextCtrl( this, wxID_ANY, wxEmptyString, wxDefaultPosition, wxSize( 80, wxDefaultCoord ) );
 614     main_sizer->Add( m_target, 1, wxALL, 5 );
 615
 616     main_sizer->Add( new wxStaticText( this, wxID_ANY, wxT("Set alternating sizes using F4 and F5") ), 0, wxALL, 5 );
 617
 618     SetSizer( main_sizer);
 619
 620     Layout();
 621     GetSizer()->Fit( this );
 622 }
 623
 624 void MySimpleSizerFrame::OnSetSmallSize( wxCommandEvent& WXUNUSED(event))
 625 {
 626     GetSizer()->SetItemMinSize( m_target, 40, -1 );
 627     Layout();
 628     GetSizer()->Fit( this );
 629 }
 630
 631 void MySimpleSizerFrame::OnSetBigSize( wxCommandEvent& WXUNUSED(event))
 632 {
 633     GetSizer()->SetItemMinSize( m_target, 140, -1 );
 634     Layout();
 635     GetSizer()->Fit( this );
 636 }
 637
 638
 639 // ----------------------------------------------------------------------------
 640 // MyNestedSizerFrame
 641 // ----------------------------------------------------------------------------
 642
 643
 644 MyNestedSizerFrame::MyNestedSizerFrame(const wxString &title, int x, int y )
 645     : wxFrame( NULL, wxID_ANY, title, wxPoint(x, y) )
 646 {
 647     wxMenu *menu = new wxMenu;
 648
 649     menu->Append(wxID_ABOUT, wxT("Do nothing"));
 650
 651     wxMenuBar *menu_bar = new wxMenuBar;
 652     menu_bar->Append(menu, wxT("&File"));
 653
 654     SetMenuBar( menu_bar );
 655
 656     wxBoxSizer *main_sizer = new wxBoxSizer( wxVERTICAL );
 657
 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     main_sizer->Add( new wxStaticText( this, -1, wxT("Hello outside") ), 0, wxALIGN_CENTER );
 662
 663     wxPanel *panel = new wxPanel( this, -1, wxDefaultPosition, wxDefaultSize,
 664                                   wxTAB_TRAVERSAL | wxSUNKEN_BORDER );
 665     main_sizer->Add( panel, 0, wxALIGN_CENTER );
 666     wxBoxSizer *panel_sizer = new wxBoxSizer( wxVERTICAL );
 667     panel->SetSizer( panel_sizer );
 668     panel_sizer->Add( new wxStaticText( panel, -1, wxT("Hello inside") ) );
 669     panel_sizer->Add( new wxStaticText( panel, -1, wxT("Hello inside") ) );
 670     panel_sizer->Add( new wxStaticText( panel, -1, wxT("Hello inside") ) );
 671
 672     main_sizer->Add( new wxStaticText( this, -1, wxT("Hello outside") ), 0, wxALIGN_CENTER );
 673
 674     m_target = new wxTextCtrl( this, wxID_ANY, wxEmptyString, wxDefaultPosition, wxSize( 80, wxDefaultCoord ) );
 675     main_sizer->Add( m_target, 1, wxALL|wxGROW, 5 );
 676
 677     SetSizerAndFit( main_sizer);
 678 }
 679
 680
 681 // ----------------------------------------------------------------------------
 682 // MyWrapSizerFrame
 683 // ----------------------------------------------------------------------------
 684
 685
 686 MyWrapSizerFrame::MyWrapSizerFrame(const wxString &title, int x, int y )
 687     : wxFrame( NULL, wxID_ANY, title, wxPoint(x, y), wxSize(200,-1) )
 688 {
 689     wxMenu *menu = new wxMenu;
 690
 691     menu->Append(wxID_ABOUT, "Do nothing");
 692
 693     wxMenuBar *menu_bar = new wxMenuBar;
 694     menu_bar->Append(menu, "&File");
 695
 696     SetMenuBar( menu_bar );
 697
 698     wxBoxSizer *root = new wxBoxSizer( wxVERTICAL );
 699
 700 #if 0
 701     wxSizer *row = new wxWrapSizer;
 702     int i;
 703     for (i = 0; i < 4; i++)
 704        row->Add( new wxButton( this, -1, "Hello" ), 0, wxALL, 10 );
 705     root->Add( row, 0, wxGROW );
 706
 707     row = new wxWrapSizer;
 708     for (i = 0; i < 4; i++)
 709        row->Add( new wxButton( this, -1, "Hello" ) );
 710     root->Add( row, 0, wxGROW );
 711
 712 #else
 713     // A number of checkboxes inside a wrap sizer
 714     wxSizer *ps_mid = new wxStaticBoxSizer( wxVERTICAL, this, "Wrapping check-boxes" );
 715     wxSizer *ps_mid_wrap = new wxWrapSizer(wxHORIZONTAL);
 716     ps_mid->Add( ps_mid_wrap, 100, wxEXPAND );
 717     for( int ix=0; ix<6; ix++ )
 718             ps_mid_wrap->Add( new wxCheckBox(this,wxID_ANY,wxString::Format("Option %d",ix+1)), 0, wxALIGN_CENTRE|wxALIGN_CENTER_VERTICAL|wxALL, 5 );
 719     root->Add( ps_mid, 0, wxEXPAND | wxALL, 5 );
 720
 721     // A shaped item inside a box sizer
 722     wxSizer *ps_bottom = new wxStaticBoxSizer( wxVERTICAL, this, "With wxSHAPED item" );
 723     wxSizer *ps_bottom_box = new wxBoxSizer(wxHORIZONTAL);
 724     ps_bottom->Add( ps_bottom_box, 100, wxEXPAND );
 725     ps_bottom_box->Add( new wxListBox(this,wxID_ANY,wxPoint(0,0),wxSize(70,70)), 0, wxEXPAND|wxSHAPED );
 726     ps_bottom_box->Add( 10,10 );
 727     ps_bottom_box->Add( new wxCheckBox(this,wxID_ANY,"A much longer option..."), 100, 0, 5 );
 728
 729     root->Add( ps_bottom, 1, wxEXPAND | wxALL, 5 );
 730 #endif
 731
 732     // Set sizer for window
 733     SetSizerAndFit( root );
 734 }
 735