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     void OnIdle( wxIdleEvent& event );
  87
  88
  89     wxCheckBox*     m_cbUseAnim;
  90
  91 protected:
  92     wxTextCtrl*     m_logWin;
  93     wxLog*          m_logOld;
  94
  95     // Common list of items for all dialogs.
  96     wxArrayString   m_arrItems;
  97
  98 private:
  99     // any class wishing to process wxWidgets events must use this macro
 100     DECLARE_EVENT_TABLE()
 101 };
 102
 103 // ----------------------------------------------------------------------------
 104 // constants
 105 // ----------------------------------------------------------------------------
 106
 107 // IDs for the controls and the menu commands
 108 enum
 109 {
 110     ComboControl_Compare = wxID_HIGHEST,
 111
 112     // menu items
 113     ComboControl_Quit = wxID_EXIT,
 114
 115     // it is important for the id corresponding to the "About" command to have
 116     // this standard value as otherwise it won't be handled properly under Mac
 117     // (where it is special and put into the "Apple" menu)
 118     ComboControl_About = wxID_ABOUT
 119 };
 120
 121 // ----------------------------------------------------------------------------
 122 // event tables and other macros for wxWidgets
 123 // ----------------------------------------------------------------------------
 124
 125 // the event tables connect the wxWidgets events with the functions (event
 126 // handlers) which process them. It can be also done at run-time, but for the
 127 // simple menu events like this the static method is much simpler.
 128 BEGIN_EVENT_TABLE(MyFrame, wxFrame)
 129     EVT_TEXT(wxID_ANY,MyFrame::OnComboBoxUpdate)
 130     EVT_COMBOBOX(wxID_ANY,MyFrame::OnComboBoxUpdate)
 131
 132     EVT_MENU(ComboControl_Compare,  MyFrame::OnShowComparison)
 133     EVT_MENU(ComboControl_Quit,     MyFrame::OnQuit)
 134     EVT_MENU(ComboControl_About,    MyFrame::OnAbout)
 135
 136     EVT_IDLE(MyFrame::OnIdle)
 137 END_EVENT_TABLE()
 138
 139 // Create a new application object: this macro will allow wxWidgets to create
 140 // the application object during program execution (it's better than using a
 141 // static object for many reasons) and also implements the accessor function
 142 // wxGetApp() which will return the reference of the right type (i.e. MyApp and
 143 // not wxApp)
 144 IMPLEMENT_APP(MyApp)
 145
 146 // ============================================================================
 147 // implementation
 148 // ============================================================================
 149
 150 // ----------------------------------------------------------------------------
 151 // the application class
 152 // ----------------------------------------------------------------------------
 153
 154 // 'Main program' equivalent: the program execution "starts" here
 155 bool MyApp::OnInit()
 156 {
 157     if ( !wxApp::OnInit() )
 158         return false;
 159
 160     // create the main application window
 161     MyFrame *frame = new MyFrame(wxT("wxComboCtrl and wxOwnerDrawnComboBox Sample"));
 162
 163     // and show it (the frames, unlike simple controls, are not shown when
 164     // created initially)
 165     frame->Show(true);
 166
 167     // success: wxApp::OnRun() will be called which will enter the main message
 168     // loop and the application will run. If we returned false here, the
 169     // application would exit immediately.
 170     return true;
 171 }
 172
 173
 174 // ----------------------------------------------------------------------------
 175 // wxOwnerDrawnComboBox with custom paint list items
 176 // ----------------------------------------------------------------------------
 177
 178 class wxPenStyleComboBox : public wxOwnerDrawnComboBox
 179 {
 180 public:
 181     virtual void OnDrawItem( wxDC& dc,
 182                              const wxRect& rect,
 183                              int item,
 184                              int flags ) const
 185     {
 186         if ( item == wxNOT_FOUND )
 187             return;
 188
 189         wxRect r(rect);
 190         r.Deflate(3);
 191         r.height -= 2;
 192
 193         int penStyle = wxSOLID;
 194         if ( item == 1 )
 195             penStyle = wxTRANSPARENT;
 196         else if ( item == 2 )
 197             penStyle = wxDOT;
 198         else if ( item == 3 )
 199             penStyle = wxLONG_DASH;
 200         else if ( item == 4 )
 201             penStyle = wxSHORT_DASH;
 202         else if ( item == 5 )
 203             penStyle = wxDOT_DASH;
 204         else if ( item == 6 )
 205             penStyle = wxBDIAGONAL_HATCH;
 206         else if ( item == 7 )
 207             penStyle = wxCROSSDIAG_HATCH;
 208         else if ( item == 8 )
 209             penStyle = wxFDIAGONAL_HATCH;
 210         else if ( item == 9 )
 211             penStyle = wxCROSS_HATCH;
 212         else if ( item == 10 )
 213             penStyle = wxHORIZONTAL_HATCH;
 214         else if ( item == 11 )
 215             penStyle = wxVERTICAL_HATCH;
 216
 217         wxPen pen( dc.GetTextForeground(), 3, penStyle );
 218
 219         // Get text colour as pen colour
 220         dc.SetPen( pen );
 221
 222         if ( !(flags & wxODCB_PAINTING_CONTROL) )
 223         {
 224             dc.DrawText(GetString( item ),
 225                         r.x + 3,
 226                         (r.y + 0) + ( (r.height/2) - dc.GetCharHeight() )/2
 227                        );
 228
 229             dc.DrawLine( r.x+5, r.y+((r.height/4)*3), r.x+r.width - 5, r.y+((r.height/4)*3) );
 230         }
 231         else
 232         {
 233             dc.DrawLine( r.x+5, r.y+r.height/2, r.x+r.width - 5, r.y+r.height/2 );
 234         }
 235     }
 236
 237     virtual void OnDrawBackground( wxDC& dc, const wxRect& rect,
 238                                    int item, int flags ) const
 239     {
 240
 241         // If item is selected or even, or we are painting the
 242         // combo control itself, use the default rendering.
 243         if ( (flags & (wxODCB_PAINTING_CONTROL|wxODCB_PAINTING_SELECTED)) ||
 244              (item & 1) == 0 )
 245         {
 246             wxOwnerDrawnComboBox::OnDrawBackground(dc,rect,item,flags);
 247             return;
 248         }
 249
 250         // Otherwise, draw every other background with different colour.
 251         wxColour bgCol(240,240,250);
 252         dc.SetBrush(wxBrush(bgCol));
 253         dc.SetPen(wxPen(bgCol));
 254         dc.DrawRectangle(rect);
 255     }
 256
 257     virtual wxCoord OnMeasureItem( size_t item ) const
 258     {
 259         // Simply demonstrate the ability to have variable-height items
 260         if ( item & 1 )
 261             return 36;
 262         else
 263             return 24;
 264     }
 265
 266     virtual wxCoord OnMeasureItemWidth( size_t WXUNUSED(item) ) const
 267     {
 268         return -1; // default - will be measured from text width
 269     }
 270
 271 };
 272
 273
 274 // ----------------------------------------------------------------------------
 275 // wxListView Custom popup interface
 276 // ----------------------------------------------------------------------------
 277
 278 #include <wx/listctrl.h>
 279
 280 class ListViewComboPopup : public wxListView, public wxComboPopup
 281 {
 282 public:
 283
 284     virtual void Init()
 285     {
 286         m_value = -1;
 287         m_itemHere = -1; // hot item in list
 288     }
 289
 290     virtual bool Create( wxWindow* parent )
 291     {
 292         return wxListView::Create(parent,1,
 293                                   wxPoint(0,0),wxDefaultSize,
 294                                   wxLC_LIST|wxLC_SINGLE_SEL|
 295                                   wxLC_SORT_ASCENDING|wxSIMPLE_BORDER);
 296     }
 297
 298     virtual wxWindow *GetControl() { return this; }
 299
 300     virtual void SetStringValue( const wxString& s )
 301     {
 302         int n = wxListView::FindItem(-1,s);
 303         if ( n >= 0 && n < GetItemCount() )
 304             wxListView::Select(n);
 305     }
 306
 307     virtual wxString GetStringValue() const
 308     {
 309         if ( m_value >= 0 )
 310             return wxListView::GetItemText(m_value);
 311         return wxEmptyString;
 312     }
 313
 314     //
 315     // Popup event handlers
 316     //
 317
 318     // Mouse hot-tracking
 319     void OnMouseMove(wxMouseEvent& event)
 320     {
 321         // Move selection to cursor if it is inside the popup
 322
 323         int resFlags;
 324         int itemHere = HitTest(event.GetPosition(),resFlags);
 325         if ( itemHere >= 0 )
 326         {
 327             wxListView::Select(itemHere,true);
 328             m_itemHere = itemHere;
 329         }
 330         event.Skip();
 331     }
 332
 333     // On mouse left, set the value and close the popup
 334     void OnMouseClick(wxMouseEvent& WXUNUSED(event))
 335     {
 336         m_value = m_itemHere;
 337         // TODO: Send event
 338         Dismiss();
 339     }
 340
 341     //
 342     // Utilies for item manipulation
 343     //
 344
 345     void AddSelection( const wxString& selstr )
 346     {
 347         wxListView::InsertItem(GetItemCount(),selstr);
 348     }
 349
 350 protected:
 351
 352     int             m_value; // current item index
 353     int             m_itemHere; // hot item in popup
 354
 355 private:
 356     DECLARE_EVENT_TABLE()
 357 };
 358
 359 BEGIN_EVENT_TABLE(ListViewComboPopup, wxListView)
 360     EVT_MOTION(ListViewComboPopup::OnMouseMove)
 361     // NOTE: Left down event is used instead of left up right now
 362     //       since MSW wxListCtrl doesn't seem to emit left ups
 363     //       consistently.
 364     EVT_LEFT_DOWN(ListViewComboPopup::OnMouseClick)
 365 END_EVENT_TABLE()
 366
 367
 368 // ----------------------------------------------------------------------------
 369 // wxTreeCtrl Custom popup interface
 370 // ----------------------------------------------------------------------------
 371
 372 #include <wx/treectrl.h>
 373
 374 class TreeCtrlComboPopup : public wxTreeCtrl, public wxComboPopup
 375 {
 376 public:
 377
 378     virtual void Init()
 379     {
 380     }
 381
 382     virtual bool Create( wxWindow* parent )
 383     {
 384         return wxTreeCtrl::Create(parent,1,
 385                                   wxPoint(0,0),wxDefaultSize,
 386                                   wxTR_DEFAULT_STYLE | wxTR_HIDE_ROOT | wxSIMPLE_BORDER );
 387     }
 388
 389     virtual void OnShow()
 390     {
 391         // make sure selected item is visible
 392         if ( m_value.IsOk() )
 393             EnsureVisible(m_value);
 394     }
 395
 396     virtual wxSize GetAdjustedSize( int minWidth,
 397                                     int WXUNUSED(prefHeight),
 398                                     int maxHeight )
 399     {
 400         return wxSize(wxMax(300,minWidth),wxMin(250,maxHeight));
 401     }
 402
 403     virtual wxWindow *GetControl() { return this; }
 404
 405     // Needed by SetStringValue
 406     wxTreeItemId FindItemByText( wxTreeItemId parent, const wxString& text )
 407     {
 408         wxTreeItemIdValue cookie;
 409         wxTreeItemId child = GetFirstChild(parent,cookie);
 410         while ( child.IsOk() )
 411         {
 412             if ( GetItemText(child) == text )
 413             {
 414                 return child;
 415             }
 416             if ( ItemHasChildren(child) )
 417             {
 418                 wxTreeItemId found = FindItemByText(child,text);
 419                 if ( found.IsOk() )
 420                     return found;
 421             }
 422             child = GetNextChild(parent,cookie);
 423         }
 424         return wxTreeItemId();
 425     }
 426
 427     virtual void SetStringValue( const wxString& s )
 428     {
 429         wxTreeItemId root = GetRootItem();
 430         if ( !root.IsOk() )
 431             return;
 432
 433         wxTreeItemId found = FindItemByText(root,s);
 434         if ( found.IsOk() )
 435         {
 436             m_value = m_itemHere = found;
 437             wxTreeCtrl::SelectItem(found);
 438         }
 439     }
 440
 441     virtual wxString GetStringValue() const
 442     {
 443         if ( m_value.IsOk() )
 444             return wxTreeCtrl::GetItemText(m_value);
 445         return wxEmptyString;
 446     }
 447
 448     //
 449     // Popup event handlers
 450     //
 451
 452     // Mouse hot-tracking
 453     void OnMouseMove(wxMouseEvent& event)
 454     {
 455         int resFlags;
 456         wxTreeItemId itemHere = HitTest(event.GetPosition(),resFlags);
 457         if ( itemHere.IsOk() && (resFlags & wxTREE_HITTEST_ONITEMLABEL) )
 458         {
 459             wxTreeCtrl::SelectItem(itemHere,true);
 460             m_itemHere = itemHere;
 461         }
 462         event.Skip();
 463     }
 464
 465     // On mouse left, set the value and close the popup
 466     void OnMouseClick(wxMouseEvent& event)
 467     {
 468         int resFlags;
 469         wxTreeItemId itemHere = HitTest(event.GetPosition(),resFlags);
 470         if ( itemHere.IsOk() && (resFlags & wxTREE_HITTEST_ONITEMLABEL) )
 471         {
 472             m_itemHere = itemHere;
 473             m_value = itemHere;
 474             Dismiss();
 475             // TODO: Send event
 476         }
 477         event.Skip();
 478     }
 479
 480 protected:
 481
 482     wxTreeItemId        m_value; // current item index
 483     wxTreeItemId        m_itemHere; // hot item in popup
 484
 485 private:
 486     DECLARE_EVENT_TABLE()
 487 };
 488
 489 BEGIN_EVENT_TABLE(TreeCtrlComboPopup, wxTreeCtrl)
 490     EVT_MOTION(TreeCtrlComboPopup::OnMouseMove)
 491     // NOTE: Left down event is used instead of left up right now
 492     //       since MSW wxTreeCtrl doesn't seem to emit left ups
 493     //       consistently.
 494     EVT_LEFT_DOWN(TreeCtrlComboPopup::OnMouseClick)
 495 END_EVENT_TABLE()
 496
 497 // ----------------------------------------------------------------------------
 498 // wxComboCtrl with custom popup animation. We use EVT_TIMER, which is quite
 499 // safe, but requires much more can than doing it in a single function (ie.
 500 // AnimateShow) and using combination of wxSleep and wxSafeYield.
 501 // ----------------------------------------------------------------------------
 502
 503 #if wxUSE_TIMER
 504
 505 #define CUSTOM_COMBOBOX_ANIMATION_DURATION  200  // In milliseconds
 506
 507 #include "wx/timer.h"
 508
 509 class wxComboCtrlWithCustomPopupAnim : public wxComboCtrl
 510 {
 511 public:
 512
 513     virtual bool AnimateShow( const wxRect& rect, int flags )
 514     {
 515         MyFrame* myFrame = (MyFrame*) ::wxGetTopLevelParent(this);
 516
 517         if ( !myFrame->m_cbUseAnim->GetValue() )
 518             return true;
 519
 520         m_animStart = ::wxGetLocalTimeMillis();
 521         m_animRect = rect;
 522         m_animFlags = flags;
 523
 524         wxScreenDC dc;
 525
 526         wxBitmap bitmap( rect.width, rect.height, -1 );
 527         wxMemoryDC memdc( bitmap );
 528         memdc.Blit( 0, 0, rect.width, rect.height, &dc, rect.x, rect.y );
 529         memdc.SelectObject(wxNullBitmap);
 530         m_animBackBitmap = bitmap;
 531
 532         m_animTimer.SetOwner( this, wxID_ANY );
 533         m_animTimer.Start( 10, wxTIMER_CONTINUOUS );
 534
 535         DoOnTimer();
 536         return false;
 537     }
 538
 539 private:
 540     void OnTimerEvent( wxTimerEvent& WXUNUSED(event) )
 541     {
 542         DoOnTimer();
 543     }
 544
 545     void DoOnTimer()
 546     {
 547         bool stopTimer = false;
 548
 549         wxWindow* popup = GetPopupControl()->GetControl();
 550         wxScreenDC dc;
 551         const wxRect& rect = m_animRect;
 552
 553         // Popup was hidden before it was fully shown?
 554         if ( IsPopupWindowState(Hidden) )
 555         {
 556             stopTimer = true;
 557         }
 558         else
 559         {
 560             wxLongLong t = ::wxGetLocalTimeMillis();
 561
 562             int pos = (int) (t-m_animStart).GetLo();
 563             if ( pos < CUSTOM_COMBOBOX_ANIMATION_DURATION )
 564             {
 565                 //
 566                 // Actual animation happens here
 567                 //
 568                 int width = rect.width;
 569                 int height = rect.height;
 570
 571                 int center_x = rect.x + (width/2);
 572                 int center_y = rect.y + (height/2);
 573
 574                 double d_height = (double) height;
 575
 576                 dc.SetPen( *wxBLACK_PEN );
 577                 dc.SetBrush( *wxTRANSPARENT_BRUSH );
 578
 579                 int w = (((pos*256)/CUSTOM_COMBOBOX_ANIMATION_DURATION)*width)/256;
 580
 581                 double ratio = ((double)w / (double)width);
 582                 int h = (int)(d_height * ratio);
 583                 dc.DrawBitmap( m_animBackBitmap, rect.x, rect.y );
 584                 dc.DrawRectangle( center_x - w/2, center_y - h/2, w, h );
 585             }
 586             else
 587             {
 588                 stopTimer = true;
 589             }
 590         }
 591
 592         if ( stopTimer )
 593         {
 594             dc.DrawBitmap( m_animBackBitmap, rect.x, rect.y );
 595             popup->Move( 0, 0 );
 596             m_animTimer.Stop();
 597             DoShowPopup( m_animRect, m_animFlags );
 598         }
 599     }
 600
 601     // Popup animation related
 602     wxLongLong  m_animStart;
 603     wxTimer     m_animTimer;
 604     wxRect      m_animRect;
 605     wxBitmap    m_animBackBitmap;
 606     int         m_animFlags;
 607
 608     DECLARE_EVENT_TABLE()
 609 };
 610
 611 BEGIN_EVENT_TABLE(wxComboCtrlWithCustomPopupAnim, wxComboCtrl)
 612     EVT_TIMER(wxID_ANY, wxComboCtrlWithCustomPopupAnim::OnTimerEvent)
 613 END_EVENT_TABLE()
 614
 615 #else
 616
 617 #define wxComboCtrlWithCustomPopupAnim wxComboCtrl
 618
 619 #endif
 620
 621 // ----------------------------------------------------------------------------
 622 // wxComboCtrl with entirely custom button action (opens file dialog)
 623 // ----------------------------------------------------------------------------
 624
 625 class wxFileSelectorCombo : public wxComboCtrl
 626 {
 627 public:
 628     wxFileSelectorCombo() : wxComboCtrl() { Init(); }
 629
 630     wxFileSelectorCombo(wxWindow *parent,
 631                         wxWindowID id = wxID_ANY,
 632                         const wxString& value = wxEmptyString,
 633                         const wxPoint& pos = wxDefaultPosition,
 634                         const wxSize& size = wxDefaultSize,
 635                         long style = 0,
 636                         const wxValidator& validator = wxDefaultValidator,
 637                         const wxString& name = wxComboBoxNameStr)
 638         : wxComboCtrl()
 639     {
 640         Init();
 641         Create(parent,id,value,
 642                pos,size,
 643                // Style flag wxCC_STD_BUTTON makes the button
 644                // behave more like a standard push button.
 645                style | wxCC_STD_BUTTON,
 646                validator,name);
 647
 648         //
 649         // Prepare custom button bitmap (just '...' text)
 650         wxMemoryDC dc;
 651         wxBitmap bmp(12,16);
 652         dc.SelectObject(bmp);
 653
 654         // Draw transparent background
 655         wxColour magic(255,0,255);
 656         wxBrush magicBrush(magic);
 657         dc.SetBrush( magicBrush );
 658         dc.SetPen( *wxTRANSPARENT_PEN );
 659         dc.DrawRectangle(0,0,bmp.GetWidth(),bmp.GetHeight());
 660
 661         // Draw text
 662         wxString str = wxT("...");
 663         int w,h;
 664         dc.GetTextExtent(str, &w, &h, 0, 0);
 665         dc.DrawText(str, (bmp.GetWidth()-w)/2, (bmp.GetHeight()-h)/2);
 666
 667         dc.SelectObject( wxNullBitmap );
 668
 669         // Finalize transparency with a mask
 670         wxMask *mask = new wxMask( bmp, magic );
 671         bmp.SetMask( mask );
 672
 673         SetButtonBitmaps(bmp,true);
 674     }
 675
 676     virtual void OnButtonClick()
 677     {
 678         // Show standard wxFileDialog on button click
 679
 680         wxFileDialog dlg(this,
 681                          wxT("Choose File"),
 682                          wxEmptyString,
 683                          GetValue(),
 684                          wxT("All files (*.*)|*.*"),
 685                          wxFD_OPEN);
 686
 687         if ( dlg.ShowModal() == wxID_OK )
 688         {
 689             SetValue(dlg.GetPath());
 690         }
 691     }
 692
 693     // Implement empty DoSetPopupControl to prevent assertion failure.
 694     virtual void DoSetPopupControl(wxComboPopup* WXUNUSED(popup))
 695     {
 696     }
 697
 698 private:
 699     void Init()
 700     {
 701         // Initialize member variables here
 702     }
 703 };
 704
 705 // ----------------------------------------------------------------------------
 706 // main frame
 707 // ----------------------------------------------------------------------------
 708
 709 // frame constructor
 710 MyFrame::MyFrame(const wxString& title)
 711        : wxFrame(NULL, wxID_ANY, title)
 712 {
 713     wxBoxSizer* topSizer;
 714     wxBoxSizer* topRowSizer;
 715     wxBoxSizer* colSizer;
 716     wxBoxSizer* rowSizer;
 717
 718     // set the frame icon
 719     SetIcon(wxICON(sample));
 720
 721 #if wxUSE_MENUS
 722     // create a menu bar
 723     wxMenu *fileMenu = new wxMenu;
 724
 725     // the "About" item should be in the help menu
 726     wxMenu *helpMenu = new wxMenu;
 727     helpMenu->Append(ComboControl_About, wxT("&About...\tF1"), wxT("Show about dialog"));
 728
 729     fileMenu->Append(ComboControl_Compare, wxT("&Compare against wxComboBox..."),
 730         wxT("Show some wxOwnerDrawnComboBoxes side-by-side with native wxComboBoxes."));
 731     fileMenu->AppendSeparator();
 732     fileMenu->Append(ComboControl_Quit, wxT("E&xit\tAlt-X"), wxT("Quit this program"));
 733
 734     // now append the freshly created menu to the menu bar...
 735     wxMenuBar *menuBar = new wxMenuBar();
 736     menuBar->Append(fileMenu, wxT("&File"));
 737     menuBar->Append(helpMenu, wxT("&Help"));
 738
 739     // ... and attach this menu bar to the frame
 740     SetMenuBar(menuBar);
 741 #endif // wxUSE_MENUS
 742
 743     wxPanel* panel = new wxPanel(this);
 744
 745     // Prepare log window right away since it shows EVT_TEXTs
 746     m_logWin = new wxTextCtrl(panel, 105, wxEmptyString,
 747                               wxDefaultPosition,
 748                               wxSize(-1, 125),
 749                               wxTE_MULTILINE);
 750     wxLogTextCtrl* logger = new wxLogTextCtrl(m_logWin);
 751     m_logOld = logger->SetActiveTarget(logger);
 752     logger->DisableTimestamp();
 753
 754
 755     topSizer = new wxBoxSizer( wxVERTICAL );
 756
 757     topRowSizer = new wxBoxSizer( wxHORIZONTAL );
 758
 759     colSizer = new wxBoxSizer( wxVERTICAL );
 760
 761
 762     wxComboCtrl* cc;
 763     wxGenericComboCtrl* gcc;
 764     wxOwnerDrawnComboBox* odc;
 765
 766     // Create common strings array
 767     m_arrItems.Add( wxT("Solid") );
 768     m_arrItems.Add( wxT("Transparent") );
 769     m_arrItems.Add( wxT("Dot") );
 770     m_arrItems.Add( wxT("Long Dash") );
 771     m_arrItems.Add( wxT("Short Dash") );
 772     m_arrItems.Add( wxT("Dot Dash") );
 773     m_arrItems.Add( wxT("Backward Diagonal Hatch") );
 774     m_arrItems.Add( wxT("Cross-diagonal Hatch") );
 775     m_arrItems.Add( wxT("Forward Diagonal Hatch") );
 776     m_arrItems.Add( wxT("Cross Hatch") );
 777     m_arrItems.Add( wxT("Horizontal Hatch") );
 778     m_arrItems.Add( wxT("Vertical Hatch") );
 779
 780
 781     //
 782     // Create pen selector ODComboBox with owner-drawn items
 783     //
 784     rowSizer = new wxBoxSizer( wxHORIZONTAL );
 785     rowSizer->Add( new wxStaticText(panel,wxID_ANY,
 786                    wxT("OwnerDrawnComboBox with owner-drawn items:")), 1,
 787                    wxALIGN_CENTER_VERTICAL|wxRIGHT, 4 );
 788     colSizer->Add( rowSizer, 0, wxEXPAND|wxALL, 5 );
 789
 790     rowSizer = new wxBoxSizer( wxHORIZONTAL );
 791
 792
 793     // When defining derivative class for callbacks, we need
 794     // to use two-stage creation (or redefine the common wx
 795     // constructor).
 796     odc = new wxPenStyleComboBox();
 797     odc->Create(panel,wxID_ANY,wxEmptyString,
 798                 wxDefaultPosition, wxDefaultSize,
 799                 m_arrItems,
 800                 wxCB_READONLY //wxNO_BORDER | wxCB_READONLY
 801                );
 802
 803
 804     odc->SetSelection(0);
 805
 806     rowSizer->Add( odc, 1, wxALIGN_CENTER_VERTICAL|wxALL, 4 );
 807     rowSizer->AddStretchSpacer(1);
 808     colSizer->Add( rowSizer, 0, wxEXPAND|wxALL, 5 );
 809
 810
 811
 812     //
 813     // Same but with changed button position
 814     //
 815     rowSizer = new wxBoxSizer( wxHORIZONTAL );
 816     rowSizer->Add( new wxStaticText(panel,wxID_ANY,
 817                    wxT("OwnerDrawnComboBox with owner-drawn items and button on the left:")), 1,
 818                    wxALIGN_CENTER_VERTICAL|wxRIGHT, 4 );
 819     colSizer->Add( rowSizer, 0, wxEXPAND|wxALL, 5 );
 820
 821     rowSizer = new wxBoxSizer( wxHORIZONTAL );
 822
 823
 824     // When defining derivative class for callbacks, we need
 825     // to use two-stage creation (or redefine the common wx
 826     // constructor).
 827     odc = new wxPenStyleComboBox();
 828     odc->Create(panel,wxID_ANY,wxEmptyString,
 829                 wxDefaultPosition, wxDefaultSize,
 830                 m_arrItems,
 831                 wxCB_READONLY //wxNO_BORDER | wxCB_READONLY
 832                );
 833
 834
 835     odc->SetSelection(0);
 836
 837     // Use button size that is slightly smaller than the default.
 838     wxSize butSize = odc->GetButtonSize();
 839     odc->SetButtonPosition(butSize.x - 2, // button width
 840                            butSize.y - 6, // button height
 841                            wxLEFT, // side
 842                            2 // horizontal spacing
 843                           );
 844
 845     rowSizer->Add( odc, 1, wxALIGN_CENTER_VERTICAL|wxALL, 4 );
 846     rowSizer->AddStretchSpacer(1);
 847     colSizer->Add( rowSizer, 0, wxEXPAND|wxALL, 5 );
 848
 849
 850     //
 851     // List View wxComboCtrl
 852     //
 853
 854     rowSizer = new wxBoxSizer( wxHORIZONTAL );
 855     rowSizer->Add( new wxStaticText(panel,wxID_ANY,wxT("List View wxComboCtrl:")), 1,
 856                    wxALIGN_CENTER_VERTICAL|wxRIGHT, 4 );
 857     rowSizer->Add( new wxStaticText(panel,wxID_ANY,wxT("Tree Ctrl wxComboControl:")), 1,
 858                    wxALIGN_CENTER_VERTICAL|wxRIGHT, 4 );
 859     colSizer->Add( rowSizer, 0, wxEXPAND|wxALL, 5 );
 860
 861     rowSizer = new wxBoxSizer( wxHORIZONTAL );
 862     cc = new wxComboCtrlWithCustomPopupAnim();
 863     cc->Create(panel, wxID_ANY, wxEmptyString);
 864
 865     // Make sure we use popup that allows focusing the listview.
 866     cc->UseAltPopupWindow();
 867
 868     cc->SetPopupMinWidth(300);
 869
 870     ListViewComboPopup* iface = new ListViewComboPopup();
 871     cc->SetPopupControl(iface);
 872
 873     int i;
 874     for ( i=0; i<100; i++ )
 875         iface->AddSelection( wxString::Format(wxT("Item %02i"),i));
 876
 877     rowSizer->Add( cc, 1, wxALIGN_CENTER_VERTICAL|wxALL, 5 );
 878
 879
 880     //
 881     // Tree Ctrl wxComboCtrl
 882     //
 883
 884     // Note that we test that wxGenericComboCtrl works
 885     gcc = new wxGenericComboCtrl(panel,wxID_ANY,wxEmptyString,
 886                                  wxDefaultPosition, wxDefaultSize);
 887
 888     // Make sure we use popup that allows focusing the treectrl.
 889     gcc->UseAltPopupWindow();
 890
 891     // Set popup interface right away, otherwise some of the calls
 892     // below may fail
 893     TreeCtrlComboPopup* tcPopup = new TreeCtrlComboPopup();
 894     gcc->SetPopupControl(tcPopup);
 895
 896     // Add items using wxTreeCtrl methods directly
 897     wxTreeItemId rootId = tcPopup->AddRoot(wxT("<hidden_root>"));
 898
 899     wxTreeItemId groupId;
 900
 901     for ( i=0; i<4; i++ )
 902     {
 903         groupId = tcPopup->AppendItem(rootId,
 904             wxString::Format(wxT("Branch %02i"),i));
 905
 906         int n;
 907         for ( n=0; n<25; n++ )
 908             tcPopup->AppendItem(groupId,
 909                 wxString::Format(wxT("Subitem %02i"),(i*25)+n));
 910     }
 911
 912     gcc->SetValue(wxT("Subitem 05"));
 913
 914     // Move button to left - it makes more sense for a tree ctrl
 915     gcc->SetButtonPosition(-1, // button width
 916                            -1, // button height
 917                            wxLEFT, // side
 918                            0 // horizontal spacing
 919                           );
 920
 921     rowSizer->Add( gcc, 1, wxALIGN_CENTER_VERTICAL|wxALL, 5 );
 922
 923     colSizer->Add( rowSizer, 0, wxEXPAND|wxALL, 5 );
 924
 925 #if wxUSE_IMAGE
 926     wxInitAllImageHandlers();
 927
 928     //
 929     // Custom Dropbutton Bitmaps
 930     // (second one uses blank button background)
 931     //
 932     rowSizer = new wxBoxSizer( wxHORIZONTAL );
 933     rowSizer->Add( new wxStaticText(panel,wxID_ANY,
 934                    wxT("OwnerDrawnComboBox with simple dropbutton graphics:")), 1,
 935                    wxALIGN_CENTER_VERTICAL|wxRIGHT, 4 );
 936
 937     colSizer->Add( rowSizer, 0, wxEXPAND|wxALL, 5 );
 938
 939     rowSizer = new wxBoxSizer( wxHORIZONTAL );
 940
 941     odc = new wxOwnerDrawnComboBox(panel,wxID_ANY,wxEmptyString,
 942                                    wxDefaultPosition, wxDefaultSize,
 943                                    m_arrItems,
 944                                    (long)0 // wxCB_SORT // wxNO_BORDER | wxCB_READONLY
 945                                   );
 946
 947     wxOwnerDrawnComboBox* odc2;
 948     odc2 = new wxOwnerDrawnComboBox(panel,wxID_ANY,wxEmptyString,
 949                                     wxDefaultPosition, wxDefaultSize,
 950                                     m_arrItems,
 951                                     (long)0 // wxCB_SORT // wxNO_BORDER | wxCB_READONLY
 952                                    );
 953
 954     // Load images from disk
 955     wxImage imgNormal(wxT("dropbutn.png"));
 956     wxImage imgPressed(wxT("dropbutp.png"));
 957     wxImage imgHover(wxT("dropbuth.png"));
 958
 959     if ( imgNormal.IsOk() && imgPressed.IsOk() && imgHover.IsOk() )
 960     {
 961         wxBitmap bmpNormal(imgNormal);
 962         wxBitmap bmpPressed(imgPressed);
 963         wxBitmap bmpHover(imgHover);
 964         odc->SetButtonBitmaps(bmpNormal,false,bmpPressed,bmpHover);
 965         odc2->SetButtonBitmaps(bmpNormal,true,bmpPressed,bmpHover);
 966     }
 967     else
 968         wxLogError(wxT("Dropbutton images not found"));
 969
 970     //odc2->SetButtonPosition(0, // width adjustment
 971     //                        0, // height adjustment
 972     //                        wxLEFT, // side
 973     //                        0 // horizontal spacing
 974     //                       );
 975
 976     rowSizer->Add( odc, 1, wxALIGN_CENTER_VERTICAL|wxALL, 4 );
 977     rowSizer->Add( odc2, 1, wxALIGN_CENTER_VERTICAL|wxALL, 4 );
 978     colSizer->Add( rowSizer, 0, wxEXPAND|wxALL, 5 );
 979 #endif
 980
 981
 982     //
 983     // wxComboCtrl with totally custom button action (open file dialog)
 984     //
 985     rowSizer = new wxBoxSizer( wxHORIZONTAL );
 986     rowSizer->Add( new wxStaticText(panel,wxID_ANY,
 987                         wxT("wxComboCtrl with custom button action:")), 1,
 988                    wxALIGN_CENTER_VERTICAL|wxRIGHT, 4 );
 989
 990
 991     colSizer->Add( rowSizer, 0, wxEXPAND|wxALL, 5 );
 992
 993     rowSizer = new wxBoxSizer( wxHORIZONTAL );
 994     wxFileSelectorCombo* fsc;
 995
 996     fsc = new wxFileSelectorCombo(panel,wxID_ANY,wxEmptyString,
 997                                   wxDefaultPosition, wxDefaultSize,
 998                                   (long)0
 999                                  );
1000
1001     rowSizer->Add( fsc, 1, wxALIGN_CENTER_VERTICAL|wxALL, 4 );
1002     colSizer->Add( rowSizer, 0, wxEXPAND|wxALL, 5 );
1003
1004
1005     // Make sure GetFeatures is implemented
1006     wxComboCtrl::GetFeatures();
1007
1008
1009     topRowSizer->Add( colSizer, 1, wxALL, 2 );
1010
1011     colSizer = new wxBoxSizer( wxVERTICAL );
1012
1013     wxStaticBoxSizer* sbSizer = new wxStaticBoxSizer( new wxStaticBox(panel,
1014                                                                       wxID_ANY,
1015                                                                       wxT("Options")),
1016                                                       wxVERTICAL );
1017
1018     m_cbUseAnim = new wxCheckBox(panel, wxID_ANY, wxT("Custom popup animation for ListView wxComboCtrl"));
1019     m_cbUseAnim->SetValue(true);
1020     sbSizer->Add( m_cbUseAnim, 0, wxALL, 3 );
1021
1022     colSizer->Add( sbSizer, 0, wxEXPAND|wxALL, 3 );
1023     colSizer->AddSpacer(8);
1024     colSizer->Add( new wxStaticText(panel, wxID_ANY, wxT("Log Messages:")), 0, wxTOP|wxLEFT, 3 );
1025     colSizer->Add( m_logWin, 1, wxEXPAND|wxALL, 3 );
1026
1027     topRowSizer->Add( colSizer, 1, wxEXPAND|wxALL, 2 );
1028     topSizer->Add( topRowSizer, 1, wxEXPAND );
1029
1030     panel->SetSizer( topSizer );
1031     topSizer->SetSizeHints( panel );
1032
1033     SetSize(740,400);
1034     Centre();
1035 }
1036
1037 // event handlers
1038
1039 void MyFrame::OnComboBoxUpdate( wxCommandEvent& event )
1040 {
1041     // Don't show messages for the log output window (it'll crash)
1042     if ( !event.GetEventObject()->IsKindOf(CLASSINFO(wxComboCtrl)) )
1043         return;
1044
1045     if ( event.GetEventType() == wxEVT_COMMAND_COMBOBOX_SELECTED )
1046     {
1047         wxLogDebug(wxT("EVT_COMBOBOX(id=%i,selection=%i)"),event.GetId(),event.GetSelection());
1048     }
1049     else if ( event.GetEventType() == wxEVT_COMMAND_TEXT_UPDATED )
1050     {
1051         wxLogDebug(wxT("EVT_TEXT(id=%i,string=\"%s\")"),event.GetId(),event.GetString().c_str());
1052     }
1053 }
1054
1055 void MyFrame::OnShowComparison( wxCommandEvent& WXUNUSED(event) )
1056 {
1057     //
1058     // Show some wxOwnerDrawComboBoxes for comparison
1059     //
1060
1061     wxBoxSizer* colSizer;
1062     wxBoxSizer* rowSizer;
1063     wxStaticBoxSizer* groupSizer;
1064
1065     wxComboBox* cb;
1066     wxOwnerDrawnComboBox* odc;
1067
1068     const int border = 4;
1069
1070     wxDialog* dlg = new wxDialog(this,wxID_ANY,
1071                                  wxT("Compare against wxComboBox"),
1072                                  wxDefaultPosition,wxDefaultSize,
1073                                  wxDEFAULT_DIALOG_STYLE|wxRESIZE_BORDER);
1074
1075     colSizer = new wxBoxSizer( wxVERTICAL );
1076
1077     rowSizer = new wxBoxSizer(wxHORIZONTAL);
1078
1079     groupSizer = new wxStaticBoxSizer(new wxStaticBox(dlg,wxID_ANY,wxT(" wxOwnerDrawnComboBox ")),
1080                                       wxVERTICAL);
1081
1082     groupSizer->Add( new wxStaticText(dlg,wxID_ANY,wxT("Writable, sorted:")), 0,
1083                      wxALIGN_CENTER_VERTICAL|wxRIGHT|wxEXPAND, border );
1084
1085     odc = new wxOwnerDrawnComboBox(dlg,wxID_ANY,wxEmptyString,
1086                                    wxDefaultPosition, wxDefaultSize,
1087                                    m_arrItems,
1088                                    wxCB_SORT // wxNO_BORDER|wxCB_READONLY
1089                                   );
1090
1091     odc->Append(wxT("H - Appended Item")); // test sorting in append
1092
1093     odc->SetValue(wxT("Dot Dash"));
1094
1095     groupSizer->Add( odc, 1, wxALIGN_CENTER_VERTICAL|wxEXPAND|wxALL, border );
1096
1097     //
1098     // Readonly ODComboBox
1099     groupSizer->Add( new wxStaticText(dlg,wxID_ANY,wxT("Read-only:")), 0,
1100                      wxALIGN_CENTER_VERTICAL|wxRIGHT, border );
1101
1102     odc = new wxOwnerDrawnComboBox(dlg,wxID_ANY,wxEmptyString,
1103                                    wxDefaultPosition, wxDefaultSize,
1104                                    m_arrItems,
1105                                    wxCB_SORT|wxCB_READONLY // wxNO_BORDER|wxCB_READONLY
1106                                   );
1107
1108     odc->SetValue(wxT("Dot Dash"));
1109     odc->SetText(wxT("Dot Dash (Testing SetText)"));
1110
1111     groupSizer->Add( odc, 1, wxALIGN_CENTER_VERTICAL|wxEXPAND|wxALL, border );
1112
1113     //
1114     // Disabled ODComboBox
1115     groupSizer->Add( new wxStaticText(dlg,wxID_ANY,wxT("Disabled:")), 0,
1116                    wxALIGN_CENTER_VERTICAL|wxRIGHT, border );
1117
1118     odc = new wxOwnerDrawnComboBox(dlg,wxID_ANY,wxEmptyString,
1119                                      wxDefaultPosition, wxDefaultSize,
1120                                      m_arrItems,
1121                                      wxCB_SORT|wxCB_READONLY // wxNO_BORDER|wxCB_READONLY
1122                                      );
1123
1124     odc->SetValue(wxT("Dot Dash"));
1125     odc->Enable(false);
1126
1127     groupSizer->Add( odc, 1, wxALIGN_CENTER_VERTICAL|wxEXPAND|wxALL, border );
1128
1129     rowSizer->Add( groupSizer, 1, wxEXPAND|wxALL, border );
1130
1131
1132     groupSizer = new wxStaticBoxSizer(new wxStaticBox(dlg,wxID_ANY,wxT(" wxComboBox ")),
1133                                       wxVERTICAL);
1134
1135     //
1136     // wxComboBox
1137     //
1138     groupSizer->Add( new wxStaticText(dlg,wxID_ANY,wxT("Writable, sorted:")), 0,
1139                      wxALIGN_CENTER_VERTICAL|wxRIGHT|wxEXPAND, border );
1140
1141     cb = new wxComboBox(dlg,wxID_ANY,wxEmptyString,
1142                         wxDefaultPosition, wxDefaultSize,
1143                         m_arrItems,
1144                         wxCB_SORT // wxNO_BORDER|wxCB_READONLY
1145                        );
1146
1147     cb->Append(wxT("H - Appended Item")); // test sorting in append
1148
1149     cb->SetValue(wxT("Dot Dash"));
1150
1151     groupSizer->Add( cb, 1, wxALIGN_CENTER_VERTICAL|wxEXPAND|wxALL, border );
1152
1153     //
1154     // Readonly wxComboBox
1155     groupSizer->Add( new wxStaticText(dlg,wxID_ANY,wxT("Read-only:")), 0,
1156                      wxALIGN_CENTER_VERTICAL|wxRIGHT, border );
1157
1158     cb = new wxComboBox(dlg,wxID_ANY,wxEmptyString,
1159                         wxDefaultPosition, wxDefaultSize,
1160                         m_arrItems,
1161                         wxCB_SORT|wxCB_READONLY // wxNO_BORDER|wxCB_READONLY
1162                        );
1163
1164     cb->SetValue(wxT("Dot Dash"));
1165
1166     groupSizer->Add( cb, 1, wxALIGN_CENTER_VERTICAL|wxEXPAND|wxALL, border );
1167
1168     //
1169     // Disabled wxComboBox
1170     groupSizer->Add( new wxStaticText(dlg,wxID_ANY,wxT("Disabled:")), 0,
1171                    wxALIGN_CENTER_VERTICAL|wxRIGHT, border );
1172
1173     cb = new wxComboBox(dlg,wxID_ANY,wxEmptyString,
1174                         wxDefaultPosition, wxDefaultSize,
1175                         m_arrItems,
1176                         wxCB_SORT|wxCB_READONLY // wxNO_BORDER|wxCB_READONLY
1177                        );
1178
1179     cb->SetValue(wxT("Dot Dash"));
1180     cb->Enable(false);
1181
1182     groupSizer->Add( cb, 1, wxALIGN_CENTER_VERTICAL|wxEXPAND|wxALL, border );
1183
1184     rowSizer->Add( groupSizer, 1, wxEXPAND|wxALL, border );
1185
1186     colSizer->Add( rowSizer, 0, wxEXPAND|wxALL, border );
1187
1188     dlg->SetSizer( colSizer );
1189     colSizer->SetSizeHints( dlg );
1190
1191     dlg->SetSize(60,240);
1192     dlg->Centre();
1193     dlg->ShowModal();
1194 }
1195
1196 MyFrame::~MyFrame()
1197 {
1198     delete wxLog::SetActiveTarget(m_logOld);
1199 }
1200
1201 void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
1202 {
1203     // true is to force the frame to close
1204     Close(true);
1205 }
1206
1207 void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
1208 {
1209     wxMessageBox(wxString::Format(
1210                     wxT("Welcome to %s!\n")
1211                     wxT("\n")
1212                     wxT("This is the wxWidgets wxComboCtrl and wxOwnerDrawnComboBox sample\n")
1213                     wxT("running under %s."),
1214                     wxVERSION_STRING,
1215                     wxGetOsDescription().c_str()
1216                  ),
1217                  wxT("About wxComboCtrl sample"),
1218                  wxOK | wxICON_INFORMATION,
1219                  this);
1220 }
1221
1222 void MyFrame::OnIdle(wxIdleEvent& event)
1223 {
1224     // This code is useful for debugging focus problems
1225     // (which are plentiful when dealing with popup windows).
1226 #if 0
1227     static wxWindow* lastFocus = (wxWindow*) NULL;
1228
1229     wxWindow* curFocus = ::wxWindow::FindFocus();
1230
1231     if ( curFocus != lastFocus )
1232     {
1233         const wxChar* className = wxT("<none>");
1234         if ( curFocus )
1235             className = curFocus->GetClassInfo()->GetClassName();
1236         lastFocus = curFocus;
1237         wxLogDebug( wxT("FOCUSED: %s %X"),
1238             className,
1239             (unsigned int)curFocus);
1240     }
1241 #endif
1242
1243     event.Skip();
1244 }