samples/combo/combo.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        combo.cpp
   3 // Purpose:     wxComboCtrl sample
   4 // Author:      Jaakko Salli
   5 // Modified by:
   6 // Created:     Apr-30-2006
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Jaakko Salli
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 // For compilers that support precompilation, includes "wx/wx.h".
  21 #include "wx/wxprec.h"
  22
  23 #ifdef __BORLANDC__
  24     #pragma hdrstop
  25 #endif
  26
  27 // for all others, include the necessary headers (this file is usually all you
  28 // need because it includes almost all "standard" wxWidgets headers)
  29 #ifndef WX_PRECOMP
  30     #include "wx/wx.h"
  31 #endif
  32
  33 #if !wxUSE_COMBOCTRL
  34     #error "Please set wxUSE_COMBOCTRL to 1 and rebuild the library."
  35 #endif
  36
  37 #include "wx/image.h"
  38
  39 #include "wx/combo.h"
  40 #include "wx/odcombo.h"
  41
  42 // ----------------------------------------------------------------------------
  43 // resources
  44 // ----------------------------------------------------------------------------
  45
  46 // the application icon (under Windows and OS/2 it is in resources and even
  47 // though we could still include the XPM here it would be unused)
  48 #if !defined(__WXMSW__) && !defined(__WXPM__)
  49     #include "../sample.xpm"
  50 #endif
  51
  52 // ----------------------------------------------------------------------------
  53 // private classes
  54 // ----------------------------------------------------------------------------
  55
  56 // Define a new application type, each program should derive a class from wxApp
  57 class MyApp : public wxApp
  58 {
  59 public:
  60     // override base class virtuals
  61     // ----------------------------
  62
  63     // this one is called on application startup and is a good place for the app
  64     // initialization (doing it here and not in the ctor allows to have an error
  65     // return: if OnInit() returns false, the application terminates)
  66     virtual bool OnInit();
  67 };
  68
  69 // Define a new frame type: this is going to be our main frame
  70 class MyFrame : public wxFrame
  71 {
  72 public:
  73     // ctor and dtor
  74     MyFrame(const wxString& title);
  75     ~MyFrame();
  76
  77     // event handlers (these functions should _not_ be virtual)
  78     void OnQuit(wxCommandEvent& event);
  79     void OnAbout(wxCommandEvent& event);
  80
  81     void OnShowComparison( wxCommandEvent& event );
  82
  83     // log wxComboCtrl events
  84     void OnComboBoxUpdate( wxCommandEvent& event );
  85
  86 protected:
  87     wxTextCtrl*     m_logWin;
  88     wxLog*          m_logOld;
  89
  90     // Common list of items for all dialogs.
  91     wxArrayString   m_arrItems;
  92
  93 private:
  94     // any class wishing to process wxWidgets events must use this macro
  95     DECLARE_EVENT_TABLE()
  96 };
  97
  98 // ----------------------------------------------------------------------------
  99 // constants
 100 // ----------------------------------------------------------------------------
 101
 102 // IDs for the controls and the menu commands
 103 enum
 104 {
 105     ComboControl_Compare = wxID_HIGHEST,
 106
 107     // menu items
 108     ComboControl_Quit = wxID_EXIT,
 109
 110     // it is important for the id corresponding to the "About" command to have
 111     // this standard value as otherwise it won't be handled properly under Mac
 112     // (where it is special and put into the "Apple" menu)
 113     ComboControl_About = wxID_ABOUT
 114 };
 115
 116 // ----------------------------------------------------------------------------
 117 // event tables and other macros for wxWidgets
 118 // ----------------------------------------------------------------------------
 119
 120 // the event tables connect the wxWidgets events with the functions (event
 121 // handlers) which process them. It can be also done at run-time, but for the
 122 // simple menu events like this the static method is much simpler.
 123 BEGIN_EVENT_TABLE(MyFrame, wxFrame)
 124     EVT_TEXT(wxID_ANY,MyFrame::OnComboBoxUpdate)
 125     EVT_COMBOBOX(wxID_ANY,MyFrame::OnComboBoxUpdate)
 126
 127     EVT_MENU(ComboControl_Compare,  MyFrame::OnShowComparison)
 128     EVT_MENU(ComboControl_Quit,     MyFrame::OnQuit)
 129     EVT_MENU(ComboControl_About,    MyFrame::OnAbout)
 130 END_EVENT_TABLE()
 131
 132 // Create a new application object: this macro will allow wxWidgets to create
 133 // the application object during program execution (it's better than using a
 134 // static object for many reasons) and also implements the accessor function
 135 // wxGetApp() which will return the reference of the right type (i.e. MyApp and
 136 // not wxApp)
 137 IMPLEMENT_APP(MyApp)
 138
 139 // ============================================================================
 140 // implementation
 141 // ============================================================================
 142
 143 // ----------------------------------------------------------------------------
 144 // the application class
 145 // ----------------------------------------------------------------------------
 146
 147 // 'Main program' equivalent: the program execution "starts" here
 148 bool MyApp::OnInit()
 149 {
 150     // create the main application window
 151     MyFrame *frame = new MyFrame(_T("wxComboCtrl and wxOwnerDrawnComboBox Sample"));
 152
 153     // and show it (the frames, unlike simple controls, are not shown when
 154     // created initially)
 155     frame->Show(true);
 156
 157     // success: wxApp::OnRun() will be called which will enter the main message
 158     // loop and the application will run. If we returned false here, the
 159     // application would exit immediately.
 160     return true;
 161 }
 162
 163
 164 // ----------------------------------------------------------------------------
 165 // wxOwnerDrawnComboBox with custom paint list items
 166 // ----------------------------------------------------------------------------
 167
 168 class wxPenStyleComboBox : public wxOwnerDrawnComboBox
 169 {
 170 public:
 171     virtual void OnDrawItem( wxDC& dc,
 172                              const wxRect& rect,
 173                              int item,
 174                              int flags ) const
 175     {
 176         if ( item == wxNOT_FOUND )
 177             return;
 178
 179         wxRect r(rect);
 180         r.Deflate(3);
 181         r.height -= 2;
 182
 183         int penStyle = wxSOLID;
 184         if ( item == 1 )
 185             penStyle = wxTRANSPARENT;
 186         else if ( item == 2 )
 187             penStyle = wxDOT;
 188         else if ( item == 3 )
 189             penStyle = wxLONG_DASH;
 190         else if ( item == 4 )
 191             penStyle = wxSHORT_DASH;
 192         else if ( item == 5 )
 193             penStyle = wxDOT_DASH;
 194         else if ( item == 6 )
 195             penStyle = wxBDIAGONAL_HATCH;
 196         else if ( item == 7 )
 197             penStyle = wxCROSSDIAG_HATCH;
 198         else if ( item == 8 )
 199             penStyle = wxFDIAGONAL_HATCH;
 200         else if ( item == 9 )
 201             penStyle = wxCROSS_HATCH;
 202         else if ( item == 10 )
 203             penStyle = wxHORIZONTAL_HATCH;
 204         else if ( item == 11 )
 205             penStyle = wxVERTICAL_HATCH;
 206
 207         wxPen pen( dc.GetTextForeground(), 3, penStyle );
 208
 209         // Get text colour as pen colour
 210         dc.SetPen( pen );
 211
 212         if ( !(flags & wxODCB_PAINTING_CONTROL) )
 213         {
 214             dc.DrawText(GetString( item ),
 215                         r.x + 3,
 216                         (r.y + 0) + ( (r.height/2) - dc.GetCharHeight() )/2
 217                        );
 218
 219             dc.DrawLine( r.x+5, r.y+((r.height/4)*3), r.x+r.width - 5, r.y+((r.height/4)*3) );
 220         }
 221         else
 222         {
 223             dc.DrawLine( r.x+5, r.y+r.height/2, r.x+r.width - 5, r.y+r.height/2 );
 224         }
 225     }
 226
 227     virtual void OnDrawBackground( wxDC& dc, const wxRect& rect,
 228                                    int item, int flags ) const
 229     {
 230
 231         // If item is selected or even, or we are painting the
 232         // combo control itself, use the default rendering.
 233         if ( (flags & (wxODCB_PAINTING_CONTROL|wxODCB_PAINTING_SELECTED)) ||
 234              (item & 1) == 0 )
 235         {
 236             wxOwnerDrawnComboBox::OnDrawBackground(dc,rect,item,flags);
 237             return;
 238         }
 239
 240         // Otherwise, draw every other background with different colour.
 241         wxColour bgCol(240,240,250);
 242         dc.SetBrush(wxBrush(bgCol));
 243         dc.SetPen(wxPen(bgCol));
 244         dc.DrawRectangle(rect);
 245     }
 246
 247     virtual wxCoord OnMeasureItem( size_t item ) const
 248     {
 249         // Simply demonstrate the ability to have variable-height items
 250         if ( item & 1 )
 251             return 36;
 252         else
 253             return 24;
 254     }
 255
 256     virtual wxCoord OnMeasureItemWidth( size_t WXUNUSED(item) ) const
 257     {
 258         return -1; // default - will be measured from text width
 259     }
 260
 261 };
 262
 263
 264 // ----------------------------------------------------------------------------
 265 // wxListView Custom popup interface
 266 // ----------------------------------------------------------------------------
 267
 268 #include <wx/listctrl.h>
 269
 270 class ListViewComboPopup : public wxListView, public wxComboPopup
 271 {
 272 public:
 273
 274     virtual void Init()
 275     {
 276         m_value = -1;
 277         m_itemHere = -1; // hot item in list
 278     }
 279
 280     virtual bool Create( wxWindow* parent )
 281     {
 282         return wxListView::Create(parent,1,
 283                                   wxPoint(0,0),wxDefaultSize,
 284                                   wxLC_LIST|wxLC_SINGLE_SEL|
 285                                   wxLC_SORT_ASCENDING|wxSIMPLE_BORDER);
 286     }
 287
 288     virtual wxWindow *GetControl() { return this; }
 289
 290     virtual void SetStringValue( const wxString& s )
 291     {
 292         int n = wxListView::FindItem(-1,s);
 293         if ( n >= 0 && n < GetItemCount() )
 294             wxListView::Select(n);
 295     }
 296
 297     virtual wxString GetStringValue() const
 298     {
 299         if ( m_value >= 0 )
 300             return wxListView::GetItemText(m_value);
 301         return wxEmptyString;
 302     }
 303
 304     //
 305     // Popup event handlers
 306     //
 307
 308     // Mouse hot-tracking
 309     void OnMouseMove(wxMouseEvent& event)
 310     {
 311         // Move selection to cursor if it is inside the popup
 312
 313         int resFlags;
 314         int itemHere = HitTest(event.GetPosition(),resFlags);
 315         if ( itemHere >= 0 )
 316         {
 317             wxListView::Select(itemHere,true);
 318             m_itemHere = itemHere;
 319         }
 320         event.Skip();
 321     }
 322
 323     // On mouse left, set the value and close the popup
 324     void OnMouseClick(wxMouseEvent& WXUNUSED(event))
 325     {
 326         m_value = m_itemHere;
 327         // TODO: Send event
 328         Dismiss();
 329     }
 330
 331     //
 332     // Utilies for item manipulation
 333     //
 334
 335     void AddSelection( const wxString& selstr )
 336     {
 337         wxListView::InsertItem(GetItemCount(),selstr);
 338     }
 339
 340 protected:
 341
 342     int             m_value; // current item index
 343     int             m_itemHere; // hot item in popup
 344
 345 private:
 346     DECLARE_EVENT_TABLE()
 347 };
 348
 349 BEGIN_EVENT_TABLE(ListViewComboPopup, wxListView)
 350     EVT_MOTION(ListViewComboPopup::OnMouseMove)
 351     // NOTE: Left down event is used instead of left up right now
 352     //       since MSW wxListCtrl doesn't seem to emit left ups
 353     //       consistently.
 354     EVT_LEFT_DOWN(ListViewComboPopup::OnMouseClick)
 355 END_EVENT_TABLE()
 356
 357
 358 // ----------------------------------------------------------------------------
 359 // wxTreeCtrl Custom popup interface
 360 // ----------------------------------------------------------------------------
 361
 362 #include <wx/treectrl.h>
 363
 364 class TreeCtrlComboPopup : public wxTreeCtrl, public wxComboPopup
 365 {
 366 public:
 367
 368     virtual void Init()
 369     {
 370     }
 371
 372     virtual bool Create( wxWindow* parent )
 373     {
 374         return wxTreeCtrl::Create(parent,1,
 375                                   wxPoint(0,0),wxDefaultSize,
 376                                   wxTR_HIDE_ROOT|wxTR_HAS_BUTTONS|
 377                                   wxTR_SINGLE|wxTR_LINES_AT_ROOT|
 378                                   wxSIMPLE_BORDER);
 379     }
 380
 381     virtual void OnShow()
 382     {
 383         // make sure selected item is visible
 384         if ( m_value.IsOk() )
 385             EnsureVisible(m_value);
 386     }
 387
 388     virtual wxSize GetAdjustedSize( int minWidth,
 389                                     int WXUNUSED(prefHeight),
 390                                     int maxHeight )
 391     {
 392         return wxSize(wxMax(300,minWidth),wxMin(250,maxHeight));
 393     }
 394
 395     virtual wxWindow *GetControl() { return this; }
 396
 397     // Needed by SetStringValue
 398     wxTreeItemId FindItemByText( wxTreeItemId parent, const wxString& text )
 399     {
 400         wxTreeItemIdValue cookie;
 401         wxTreeItemId child = GetFirstChild(parent,cookie);
 402         while ( child.IsOk() )
 403         {
 404             if ( GetItemText(child) == text )
 405             {
 406                 return child;
 407             }
 408             if ( ItemHasChildren(child) )
 409             {
 410                 wxTreeItemId found = FindItemByText(child,text);
 411                 if ( found.IsOk() )
 412                     return found;
 413             }
 414             child = GetNextChild(parent,cookie);
 415         }
 416         return wxTreeItemId();
 417     }
 418
 419     virtual void SetStringValue( const wxString& s )
 420     {
 421         wxTreeItemId root = GetRootItem();
 422         if ( !root.IsOk() )
 423             return;
 424
 425         wxTreeItemId found = FindItemByText(root,s);
 426         if ( found.IsOk() )
 427         {
 428             m_value = m_itemHere = found;
 429             wxTreeCtrl::SelectItem(found);
 430         }
 431     }
 432
 433     virtual wxString GetStringValue() const
 434     {
 435         if ( m_value.IsOk() )
 436             return wxTreeCtrl::GetItemText(m_value);
 437         return wxEmptyString;
 438     }
 439
 440     //
 441     // Popup event handlers
 442     //
 443
 444     // Mouse hot-tracking
 445     void OnMouseMove(wxMouseEvent& event)
 446     {
 447         int resFlags;
 448         wxTreeItemId itemHere = HitTest(event.GetPosition(),resFlags);
 449         if ( itemHere.IsOk() && (resFlags & wxTREE_HITTEST_ONITEMLABEL) )
 450         {
 451             wxTreeCtrl::SelectItem(itemHere,true);
 452             m_itemHere = itemHere;
 453         }
 454         event.Skip();
 455     }
 456
 457     // On mouse left, set the value and close the popup
 458     void OnMouseClick(wxMouseEvent& event)
 459     {
 460         int resFlags;
 461         wxTreeItemId itemHere = HitTest(event.GetPosition(),resFlags);
 462         if ( itemHere.IsOk() && (resFlags & wxTREE_HITTEST_ONITEMLABEL) )
 463         {
 464             m_itemHere = itemHere;
 465             m_value = itemHere;
 466             Dismiss();
 467             // TODO: Send event
 468         }
 469         event.Skip();
 470     }
 471
 472 protected:
 473
 474     wxTreeItemId        m_value; // current item index
 475     wxTreeItemId        m_itemHere; // hot item in popup
 476
 477 private:
 478     DECLARE_EVENT_TABLE()
 479 };
 480
 481 BEGIN_EVENT_TABLE(TreeCtrlComboPopup, wxTreeCtrl)
 482     EVT_MOTION(TreeCtrlComboPopup::OnMouseMove)
 483     // NOTE: Left down event is used instead of left up right now
 484     //       since MSW wxTreeCtrl doesn't seem to emit left ups
 485     //       consistently.
 486     EVT_LEFT_DOWN(TreeCtrlComboPopup::OnMouseClick)
 487 END_EVENT_TABLE()
 488
 489 // ----------------------------------------------------------------------------
 490 // wxComboCtrl with entirely custom button action (opens file dialog)
 491 // ----------------------------------------------------------------------------
 492
 493 class wxFileSelectorCombo : public wxComboCtrl
 494 {
 495 public:
 496     wxFileSelectorCombo() : wxComboCtrl() { Init(); }
 497
 498     wxFileSelectorCombo(wxWindow *parent,
 499                         wxWindowID id = wxID_ANY,
 500                         const wxString& value = wxEmptyString,
 501                         const wxPoint& pos = wxDefaultPosition,
 502                         const wxSize& size = wxDefaultSize,
 503                         long style = 0,
 504                         const wxValidator& validator = wxDefaultValidator,
 505                         const wxString& name = wxComboBoxNameStr)
 506         : wxComboCtrl()
 507     {
 508         Init();
 509         Create(parent,id,value,
 510                pos,size,
 511                // Style flag wxCC_STD_BUTTON makes the button
 512                // behave more like a standard push button.
 513                style | wxCC_STD_BUTTON,
 514                validator,name);
 515
 516         //
 517         // Prepare custom button bitmap (just '...' text)
 518         wxMemoryDC dc;
 519         wxBitmap bmp(12,16);
 520         dc.SelectObject(bmp);
 521
 522         // Draw transparent background
 523         wxColour magic(255,0,255);
 524         wxBrush magicBrush(magic);
 525         dc.SetBrush( magicBrush );
 526         dc.SetPen( *wxTRANSPARENT_PEN );
 527         dc.DrawRectangle(0,0,bmp.GetWidth(),bmp.GetHeight());
 528
 529         // Draw text
 530         wxString str = wxT("...");
 531         int w,h;
 532         dc.GetTextExtent(str, &w, &h, 0, 0);
 533         dc.DrawText(str, (bmp.GetWidth()-w)/2, (bmp.GetHeight()-h)/2);
 534
 535         dc.SelectObject( wxNullBitmap );
 536
 537         // Finalize transparency with a mask
 538         wxMask *mask = new wxMask( bmp, magic );
 539         bmp.SetMask( mask );
 540
 541         SetButtonBitmaps(bmp,true);
 542     }
 543
 544     virtual void OnButtonClick()
 545     {
 546         // Show standard wxFileDialog on button click
 547
 548         wxFileDialog dlg(this,
 549                          wxT("Choose File"),
 550                          wxEmptyString,
 551                          GetValue(),
 552                          wxT("All files (*.*)|*.*"),
 553                          wxFD_OPEN);
 554
 555         if ( dlg.ShowModal() == wxID_OK )
 556         {
 557             SetValue(dlg.GetPath());
 558         }
 559     }
 560
 561     // Implement empty DoSetPopupControl to prevent assertion failure.
 562     virtual void DoSetPopupControl(wxComboPopup* WXUNUSED(popup))
 563     {
 564     }
 565
 566 private:
 567     void Init()
 568     {
 569         // Initialize member variables here
 570     }
 571 };
 572
 573 // ----------------------------------------------------------------------------
 574 // main frame
 575 // ----------------------------------------------------------------------------
 576
 577 // frame constructor
 578 MyFrame::MyFrame(const wxString& title)
 579        : wxFrame(NULL, wxID_ANY, title)
 580 {
 581     wxBoxSizer* topSizer;
 582     wxBoxSizer* topRowSizer;
 583     wxBoxSizer* colSizer;
 584     wxBoxSizer* rowSizer;
 585
 586     // set the frame icon
 587     SetIcon(wxICON(sample));
 588
 589 #if wxUSE_MENUS
 590     // create a menu bar
 591     wxMenu *fileMenu = new wxMenu;
 592
 593     // the "About" item should be in the help menu
 594     wxMenu *helpMenu = new wxMenu;
 595     helpMenu->Append(ComboControl_About, _T("&About...\tF1"), _T("Show about dialog"));
 596
 597     fileMenu->Append(ComboControl_Compare, _T("&Compare against wxComboBox..."),
 598         _T("Show some wxOwnerDrawnComboBoxes side-by-side with native wxComboBoxes."));
 599     fileMenu->AppendSeparator();
 600     fileMenu->Append(ComboControl_Quit, _T("E&xit\tAlt-X"), _T("Quit this program"));
 601
 602     // now append the freshly created menu to the menu bar...
 603     wxMenuBar *menuBar = new wxMenuBar();
 604     menuBar->Append(fileMenu, _T("&File"));
 605     menuBar->Append(helpMenu, _T("&Help"));
 606
 607     // ... and attach this menu bar to the frame
 608     SetMenuBar(menuBar);
 609 #endif // wxUSE_MENUS
 610
 611     wxPanel* panel = new wxPanel(this);
 612
 613     // Prepare log window right away since it shows EVT_TEXTs
 614     m_logWin = new wxTextCtrl( panel, 105, wxEmptyString, wxDefaultPosition,
 615                                wxSize(-1,125), wxTE_MULTILINE|wxFULL_REPAINT_ON_RESIZE );
 616     m_logWin->SetEditable(false);
 617     wxLogTextCtrl* logger = new wxLogTextCtrl( m_logWin );
 618     m_logOld = logger->SetActiveTarget( logger );
 619     logger->SetTimestamp( NULL );
 620
 621
 622     topSizer = new wxBoxSizer( wxVERTICAL );
 623
 624     topRowSizer = new wxBoxSizer( wxHORIZONTAL );
 625
 626     colSizer = new wxBoxSizer( wxVERTICAL );
 627
 628
 629     wxComboCtrl* cc;
 630     wxGenericComboCtrl* gcc;
 631     wxOwnerDrawnComboBox* odc;
 632
 633     // Create common strings array
 634     m_arrItems.Add( wxT("Solid") );
 635     m_arrItems.Add( wxT("Transparent") );
 636     m_arrItems.Add( wxT("Dot") );
 637     m_arrItems.Add( wxT("Long Dash") );
 638     m_arrItems.Add( wxT("Short Dash") );
 639     m_arrItems.Add( wxT("Dot Dash") );
 640     m_arrItems.Add( wxT("Backward Diagonal Hatch") );
 641     m_arrItems.Add( wxT("Cross-diagonal Hatch") );
 642     m_arrItems.Add( wxT("Forward Diagonal Hatch") );
 643     m_arrItems.Add( wxT("Cross Hatch") );
 644     m_arrItems.Add( wxT("Horizontal Hatch") );
 645     m_arrItems.Add( wxT("Vertical Hatch") );
 646
 647
 648     //
 649     // Create pen selector ODComboBox with owner-drawn items
 650     //
 651     rowSizer = new wxBoxSizer( wxHORIZONTAL );
 652     rowSizer->Add( new wxStaticText(panel,wxID_ANY,
 653                    wxT("OwnerDrawnComboBox with owner-drawn items:")), 1,
 654                    wxALIGN_CENTER_VERTICAL|wxRIGHT, 4 );
 655     colSizer->Add( rowSizer, 0, wxEXPAND|wxALL, 5 );
 656
 657     rowSizer = new wxBoxSizer( wxHORIZONTAL );
 658
 659
 660     // When defining derivative class for callbacks, we need
 661     // to use two-stage creation (or redefine the common wx
 662     // constructor).
 663     odc = new wxPenStyleComboBox();
 664     odc->Create(panel,wxID_ANY,wxEmptyString,
 665                 wxDefaultPosition, wxDefaultSize,
 666                 m_arrItems,
 667                 wxCB_READONLY //wxNO_BORDER | wxCB_READONLY
 668                );
 669
 670
 671     odc->SetSelection(0);
 672
 673     rowSizer->Add( odc, 1, wxALIGN_CENTER_VERTICAL|wxALL, 4 );
 674     rowSizer->AddStretchSpacer(1);
 675     colSizer->Add( rowSizer, 0, wxEXPAND|wxALL, 5 );
 676
 677
 678
 679     //
 680     // Same but with changed button position
 681     //
 682     rowSizer = new wxBoxSizer( wxHORIZONTAL );
 683     rowSizer->Add( new wxStaticText(panel,wxID_ANY,
 684                    wxT("OwnerDrawnComboBox with owner-drawn items and button on the left:")), 1,
 685                    wxALIGN_CENTER_VERTICAL|wxRIGHT, 4 );
 686     colSizer->Add( rowSizer, 0, wxEXPAND|wxALL, 5 );
 687
 688     rowSizer = new wxBoxSizer( wxHORIZONTAL );
 689
 690
 691     // When defining derivative class for callbacks, we need
 692     // to use two-stage creation (or redefine the common wx
 693     // constructor).
 694     odc = new wxPenStyleComboBox();
 695     odc->Create(panel,wxID_ANY,wxEmptyString,
 696                 wxDefaultPosition, wxDefaultSize,
 697                 m_arrItems,
 698                 wxCB_READONLY //wxNO_BORDER | wxCB_READONLY
 699                );
 700
 701
 702     odc->SetSelection(0);
 703
 704     // Use button size that is slightly smaller than the default.
 705     wxSize butSize = odc->GetButtonSize();
 706     odc->SetButtonPosition(butSize.x - 2, // button width
 707                            butSize.y - 6, // button height
 708                            wxLEFT, // side
 709                            2 // horizontal spacing
 710                           );
 711
 712     rowSizer->Add( odc, 1, wxALIGN_CENTER_VERTICAL|wxALL, 4 );
 713     rowSizer->AddStretchSpacer(1);
 714     colSizer->Add( rowSizer, 0, wxEXPAND|wxALL, 5 );
 715
 716
 717     //
 718     // List View wxComboCtrl
 719     //
 720
 721     rowSizer = new wxBoxSizer( wxHORIZONTAL );
 722     rowSizer->Add( new wxStaticText(panel,wxID_ANY,wxT("List View wxComboCtrl:")), 1,
 723                    wxALIGN_CENTER_VERTICAL|wxRIGHT, 4 );
 724     rowSizer->Add( new wxStaticText(panel,wxID_ANY,wxT("Tree Ctrl wxComboControl:")), 1,
 725                    wxALIGN_CENTER_VERTICAL|wxRIGHT, 4 );
 726     colSizer->Add( rowSizer, 0, wxEXPAND|wxALL, 5 );
 727
 728     rowSizer = new wxBoxSizer( wxHORIZONTAL );
 729     cc = new wxComboCtrl(panel,2,wxEmptyString,
 730                          wxDefaultPosition, wxDefaultSize);
 731
 732     cc->SetPopupMinWidth(300);
 733
 734     ListViewComboPopup* iface = new ListViewComboPopup();
 735     cc->SetPopupControl(iface);
 736
 737     int i;
 738     for ( i=0; i<100; i++ )
 739         iface->AddSelection( wxString::Format(wxT("Item %02i"),i));
 740
 741     rowSizer->Add( cc, 1, wxALIGN_CENTER_VERTICAL|wxALL, 5 );
 742
 743
 744     //
 745     // Tree Ctrl wxComboCtrl
 746     //
 747
 748     // Note that we test that wxGenericComboCtrl works
 749     gcc = new wxGenericComboCtrl(panel,wxID_ANY,wxEmptyString,
 750                                  wxDefaultPosition, wxDefaultSize);
 751
 752     // Set popup interface right away, otherwise some of the calls
 753     // below may fail
 754     TreeCtrlComboPopup* tcPopup = new TreeCtrlComboPopup();
 755     gcc->SetPopupControl(tcPopup);
 756
 757     // Add items using wxTreeCtrl methods directly
 758     wxTreeItemId rootId = tcPopup->AddRoot(wxT("<hidden_root>"));
 759
 760     wxTreeItemId groupId;
 761
 762     for ( i=0; i<4; i++ )
 763     {
 764         groupId = tcPopup->AppendItem(rootId,
 765             wxString::Format(wxT("Branch %02i"),i));
 766
 767         int n;
 768         for ( n=0; n<25; n++ )
 769             tcPopup->AppendItem(groupId,
 770                 wxString::Format(wxT("Subitem %02i"),(i*25)+n));
 771     }
 772
 773     gcc->SetValue(wxT("Subitem 05"));
 774
 775     // Move button to left - it makes more sense for a tree ctrl
 776     gcc->SetButtonPosition(-1, // button width
 777                            -1, // button height
 778                            wxLEFT, // side
 779                            0 // horizontal spacing
 780                           );
 781
 782     rowSizer->Add( gcc, 1, wxALIGN_CENTER_VERTICAL|wxALL, 5 );
 783
 784     colSizer->Add( rowSizer, 0, wxEXPAND|wxALL, 5 );
 785
 786 #if wxUSE_IMAGE
 787     wxInitAllImageHandlers();
 788
 789     //
 790     // Custom Dropbutton Bitmaps
 791     // (second one uses blank button background)
 792     //
 793     rowSizer = new wxBoxSizer( wxHORIZONTAL );
 794     rowSizer->Add( new wxStaticText(panel,wxID_ANY,
 795                    wxT("OwnerDrawnComboBox with simple dropbutton graphics:")), 1,
 796                    wxALIGN_CENTER_VERTICAL|wxRIGHT, 4 );
 797
 798     colSizer->Add( rowSizer, 0, wxEXPAND|wxALL, 5 );
 799
 800     rowSizer = new wxBoxSizer( wxHORIZONTAL );
 801
 802     odc = new wxOwnerDrawnComboBox(panel,wxID_ANY,wxEmptyString,
 803                                    wxDefaultPosition, wxDefaultSize,
 804                                    m_arrItems,
 805                                    (long)0 // wxCB_SORT // wxNO_BORDER | wxCB_READONLY
 806                                   );
 807
 808     wxOwnerDrawnComboBox* odc2;
 809     odc2 = new wxOwnerDrawnComboBox(panel,wxID_ANY,wxEmptyString,
 810                                     wxDefaultPosition, wxDefaultSize,
 811                                     m_arrItems,
 812                                     (long)0 // wxCB_SORT // wxNO_BORDER | wxCB_READONLY
 813                                    );
 814
 815     // Load images from disk
 816     wxImage imgNormal(wxT("dropbutn.png"));
 817     wxImage imgPressed(wxT("dropbutp.png"));
 818     wxImage imgHover(wxT("dropbuth.png"));
 819
 820     if ( imgNormal.Ok() && imgPressed.Ok() && imgHover.Ok() )
 821     {
 822         wxBitmap bmpNormal(imgNormal);
 823         wxBitmap bmpPressed(imgPressed);
 824         wxBitmap bmpHover(imgHover);
 825         odc->SetButtonBitmaps(bmpNormal,false,bmpPressed,bmpHover);
 826         odc2->SetButtonBitmaps(bmpNormal,true,bmpPressed,bmpHover);
 827     }
 828     else
 829         wxLogError(wxT("Dropbutton images not found"));
 830
 831     //odc2->SetButtonPosition(0, // width adjustment
 832     //                        0, // height adjustment
 833     //                        wxLEFT, // side
 834     //                        0 // horizontal spacing
 835     //                       );
 836
 837     rowSizer->Add( odc, 1, wxALIGN_CENTER_VERTICAL|wxALL, 4 );
 838     rowSizer->Add( odc2, 1, wxALIGN_CENTER_VERTICAL|wxALL, 4 );
 839     colSizer->Add( rowSizer, 0, wxEXPAND|wxALL, 5 );
 840 #endif
 841
 842
 843     //
 844     // wxComboCtrl with totally custom button action (open file dialog)
 845     //
 846     rowSizer = new wxBoxSizer( wxHORIZONTAL );
 847     rowSizer->Add( new wxStaticText(panel,wxID_ANY,
 848                         wxT("wxComboCtrl with custom button action:")), 1,
 849                    wxALIGN_CENTER_VERTICAL|wxRIGHT, 4 );
 850
 851
 852     colSizer->Add( rowSizer, 0, wxEXPAND|wxALL, 5 );
 853
 854     rowSizer = new wxBoxSizer( wxHORIZONTAL );
 855     wxFileSelectorCombo* fsc;
 856
 857     fsc = new wxFileSelectorCombo(panel,wxID_ANY,wxEmptyString,
 858                                   wxDefaultPosition, wxDefaultSize,
 859                                   (long)0
 860                                  );
 861
 862     rowSizer->Add( fsc, 1, wxALIGN_CENTER_VERTICAL|wxALL, 4 );
 863     colSizer->Add( rowSizer, 0, wxEXPAND|wxALL, 5 );
 864
 865
 866     // Make sure GetFeatures is implemented
 867     wxComboCtrl::GetFeatures();
 868
 869
 870     topRowSizer->Add( colSizer, 1, wxALL, 2 );
 871
 872     topRowSizer->Add( m_logWin, 1, wxEXPAND|wxALL, 5 );
 873     topSizer->Add( topRowSizer, 1, wxEXPAND );
 874
 875     panel->SetSizer( topSizer );
 876     topSizer->SetSizeHints( panel );
 877
 878     SetSize(740,400);
 879     Centre();
 880 }
 881
 882 // event handlers
 883
 884 void MyFrame::OnComboBoxUpdate( wxCommandEvent& event )
 885 {
 886     // Don't show messages for the log output window (it'll crash)
 887     if ( !event.GetEventObject()->IsKindOf(CLASSINFO(wxComboCtrl)) )
 888         return;
 889
 890     if ( event.GetEventType() == wxEVT_COMMAND_COMBOBOX_SELECTED )
 891         wxLogDebug(wxT("EVT_COMBOBOX(id=%i,selection=%i)"),event.GetId(),event.GetSelection());
 892     else if ( event.GetEventType() == wxEVT_COMMAND_TEXT_UPDATED )
 893         wxLogDebug(wxT("EVT_TEXT(id=%i,string=\"%s\")"),event.GetId(),event.GetString().c_str());
 894 }
 895
 896 void MyFrame::OnShowComparison( wxCommandEvent& WXUNUSED(event) )
 897 {
 898     //
 899     // Show some wxOwnerDrawComboBoxes for comparison
 900     //
 901
 902     wxBoxSizer* colSizer;
 903     wxBoxSizer* rowSizer;
 904     wxStaticBoxSizer* groupSizer;
 905
 906     wxComboBox* cb;
 907     wxOwnerDrawnComboBox* odc;
 908
 909     const int border = 4;
 910
 911     wxDialog* dlg = new wxDialog(this,wxID_ANY,
 912                                  wxT("Compare against wxComboBox"),
 913                                  wxDefaultPosition,wxDefaultSize,
 914                                  wxDEFAULT_DIALOG_STYLE|wxRESIZE_BORDER);
 915
 916     colSizer = new wxBoxSizer( wxVERTICAL );
 917
 918     rowSizer = new wxBoxSizer(wxHORIZONTAL);
 919
 920     groupSizer = new wxStaticBoxSizer(new wxStaticBox(dlg,wxID_ANY,wxT(" wxOwnerDrawnComboBox ")),
 921                                       wxVERTICAL);
 922
 923     groupSizer->Add( new wxStaticText(dlg,wxID_ANY,wxT("Writable, sorted:")), 0,
 924                      wxALIGN_CENTER_VERTICAL|wxRIGHT|wxEXPAND, border );
 925
 926     odc = new wxOwnerDrawnComboBox(dlg,wxID_ANY,wxEmptyString,
 927                                    wxDefaultPosition, wxDefaultSize,
 928                                    m_arrItems,
 929                                    wxCB_SORT // wxNO_BORDER|wxCB_READONLY
 930                                   );
 931
 932     odc->Append(wxT("H - Appended Item")); // test sorting in append
 933
 934     odc->SetValue(wxT("Dot Dash"));
 935
 936     groupSizer->Add( odc, 1, wxALIGN_CENTER_VERTICAL|wxEXPAND|wxALL, border );
 937
 938     //
 939     // Readonly ODComboBox
 940     groupSizer->Add( new wxStaticText(dlg,wxID_ANY,wxT("Read-only:")), 0,
 941                      wxALIGN_CENTER_VERTICAL|wxRIGHT, border );
 942
 943     odc = new wxOwnerDrawnComboBox(dlg,wxID_ANY,wxEmptyString,
 944                                    wxDefaultPosition, wxDefaultSize,
 945                                    m_arrItems,
 946                                    wxCB_SORT|wxCB_READONLY // wxNO_BORDER|wxCB_READONLY
 947                                   );
 948
 949     odc->SetValue(wxT("Dot Dash"));
 950     odc->SetText(wxT("Dot Dash (Testing SetText)"));
 951
 952     groupSizer->Add( odc, 1, wxALIGN_CENTER_VERTICAL|wxEXPAND|wxALL, border );
 953
 954     //
 955     // Disabled ODComboBox
 956     groupSizer->Add( new wxStaticText(dlg,wxID_ANY,wxT("Disabled:")), 0,
 957                    wxALIGN_CENTER_VERTICAL|wxRIGHT, border );
 958
 959     odc = new wxOwnerDrawnComboBox(dlg,wxID_ANY,wxEmptyString,
 960                                      wxDefaultPosition, wxDefaultSize,
 961                                      m_arrItems,
 962                                      wxCB_SORT|wxCB_READONLY // wxNO_BORDER|wxCB_READONLY
 963                                      );
 964
 965     odc->SetValue(wxT("Dot Dash"));
 966     odc->Enable(false);
 967
 968     groupSizer->Add( odc, 1, wxALIGN_CENTER_VERTICAL|wxEXPAND|wxALL, border );
 969
 970     rowSizer->Add( groupSizer, 1, wxEXPAND|wxALL, border );
 971
 972
 973     groupSizer = new wxStaticBoxSizer(new wxStaticBox(dlg,wxID_ANY,wxT(" wxComboBox ")),
 974                                       wxVERTICAL);
 975
 976     //
 977     // wxComboBox
 978     //
 979     groupSizer->Add( new wxStaticText(dlg,wxID_ANY,wxT("Writable, sorted:")), 0,
 980                      wxALIGN_CENTER_VERTICAL|wxRIGHT|wxEXPAND, border );
 981
 982     cb = new wxComboBox(dlg,wxID_ANY,wxEmptyString,
 983                         wxDefaultPosition, wxDefaultSize,
 984                         m_arrItems,
 985                         wxCB_SORT // wxNO_BORDER|wxCB_READONLY
 986                        );
 987
 988     cb->Append(wxT("H - Appended Item")); // test sorting in append
 989
 990     cb->SetValue(wxT("Dot Dash"));
 991
 992     groupSizer->Add( cb, 1, wxALIGN_CENTER_VERTICAL|wxEXPAND|wxALL, border );
 993
 994     //
 995     // Readonly wxComboBox
 996     groupSizer->Add( new wxStaticText(dlg,wxID_ANY,wxT("Read-only:")), 0,
 997                      wxALIGN_CENTER_VERTICAL|wxRIGHT, border );
 998
 999     cb = new wxComboBox(dlg,wxID_ANY,wxEmptyString,
1000                         wxDefaultPosition, wxDefaultSize,
1001                         m_arrItems,
1002                         wxCB_SORT|wxCB_READONLY // wxNO_BORDER|wxCB_READONLY
1003                        );
1004
1005     cb->SetValue(wxT("Dot Dash"));
1006
1007     groupSizer->Add( cb, 1, wxALIGN_CENTER_VERTICAL|wxEXPAND|wxALL, border );
1008
1009     //
1010     // Disabled wxComboBox
1011     groupSizer->Add( new wxStaticText(dlg,wxID_ANY,wxT("Disabled:")), 0,
1012                    wxALIGN_CENTER_VERTICAL|wxRIGHT, border );
1013
1014     cb = new wxComboBox(dlg,wxID_ANY,wxEmptyString,
1015                         wxDefaultPosition, wxDefaultSize,
1016                         m_arrItems,
1017                         wxCB_SORT|wxCB_READONLY // wxNO_BORDER|wxCB_READONLY
1018                        );
1019
1020     cb->SetValue(wxT("Dot Dash"));
1021     cb->Enable(false);
1022
1023     groupSizer->Add( cb, 1, wxALIGN_CENTER_VERTICAL|wxEXPAND|wxALL, border );
1024
1025     rowSizer->Add( groupSizer, 1, wxEXPAND|wxALL, border );
1026
1027     colSizer->Add( rowSizer, 0, wxEXPAND|wxALL, border );
1028
1029     dlg->SetSizer( colSizer );
1030     colSizer->SetSizeHints( dlg );
1031
1032     dlg->SetSize(60,240);
1033     dlg->Centre();
1034     dlg->ShowModal();
1035 }
1036
1037 MyFrame::~MyFrame()
1038 {
1039     delete wxLog::SetActiveTarget(m_logOld);
1040 }
1041
1042 void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
1043 {
1044     // true is to force the frame to close
1045     Close(true);
1046 }
1047
1048 void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
1049 {
1050     wxMessageBox(wxString::Format(
1051                     _T("Welcome to %s!\n")
1052                     _T("\n")
1053                     _T("This is the wxWidgets wxComboCtrl and wxOwnerDrawnComboBox sample\n")
1054                     _T("running under %s."),
1055                     wxVERSION_STRING,
1056                     wxGetOsDescription().c_str()
1057                  ),
1058                  _T("About wxComboCtrl sample"),
1059                  wxOK | wxICON_INFORMATION,
1060                  this);
1061 }